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Update ImGui to 1.74.

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Bartosz Taudul 2019-11-25 22:36:54 +01:00
parent f500f6e837
commit c6b8c6a3a6
13 changed files with 1374 additions and 1127 deletions
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13
imgui/imconfig.h
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@ -34,9 +34,10 @@
//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc.
//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] Don't implement default IME handler. Won't use and link with ImmGetContext/ImmSetCompositionWindow.
//#define IMGUI_DISABLE_WIN32_FUNCTIONS // [Win32] Won't use and link with any Win32 function (clipboard, ime).
//#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS // [OSX] Implement default OSX clipboard handler (need to link with '-framework ApplicationServices').
//#define IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself if you don't want to link with vsnprintf.
//#define IMGUI_DISABLE_MATH_FUNCTIONS // Don't implement ImFabs/ImSqrt/ImPow/ImFmod/ImCos/ImSin/ImAcos/ImAtan2 wrapper so you can implement them yourself. Declare your prototypes in imconfig.h.
//#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS // [OSX] Implement default OSX clipboard handler (need to link with '-framework ApplicationServices', this is why this is not the default).
//#define IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself (e.g. if you don't want to link with vsnprintf)
//#define IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS // Don't implement ImFabs/ImSqrt/ImPow/ImFmod/ImCos/ImSin/ImAcos/ImAtan2 so you can implement them yourself.
//#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite so you can implement them yourself if you don't want to link with fopen/fclose/fread/fwrite. This will also disable the LogToTTY() function.
//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions().
//---- Include imgui_user.h at the end of imgui.h as a convenience
@ -64,9 +65,9 @@
operator MyVec4() const { return MyVec4(x,y,z,w); }
*/
//---- Using 32-bits vertex indices (default is 16-bits) is one way to allow large meshes with more than 64K vertices.
// Your renderer back-end will need to support it (most example renderer back-ends support both 16/32-bits indices).
// Another way to allow large meshes while keeping 16-bits indices is to handle ImDrawCmd::VtxOffset in your renderer.
//---- Use 32-bit vertex indices (default is 16-bit) is one way to allow large meshes with more than 64K vertices.
// Your renderer back-end will need to support it (most example renderer back-ends support both 16/32-bit indices).
// Another way to allow large meshes while keeping 16-bit indices is to handle ImDrawCmd::VtxOffset in your renderer.
// Read about ImGuiBackendFlags_RendererHasVtxOffset for details.
#define ImDrawIdx unsigned int

1083
imgui/imgui.cpp
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145
imgui/imgui.h
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@ -1,4 +1,4 @@
// dear imgui, v1.73
// dear imgui, v1.74
// (headers)
// See imgui.cpp file for documentation.
@ -27,7 +27,7 @@ Index of this file:
#pragma once
// Configuration file with compile-time options (edit imconfig.h or define IMGUI_USER_CONFIG to your own filename)
// Configuration file with compile-time options (edit imconfig.h or #define IMGUI_USER_CONFIG to your own filename)
#ifdef IMGUI_USER_CONFIG
#include IMGUI_USER_CONFIG
#endif
@ -39,15 +39,16 @@ Index of this file:
// Header mess
//-----------------------------------------------------------------------------
#include <float.h> // FLT_MAX
#include <stdarg.h> // va_list
// Includes
#include <float.h> // FLT_MIN, FLT_MAX
#include <stdarg.h> // va_list, va_start, va_end
#include <stddef.h> // ptrdiff_t, NULL
#include <string.h> // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
// Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
#define IMGUI_VERSION "1.73"
#define IMGUI_VERSION_NUM 17300
#define IMGUI_VERSION "1.74"
#define IMGUI_VERSION_NUM 17400
#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
// Define attributes of all API symbols declarations (e.g. for DLL under Windows)
@ -66,19 +67,21 @@ Index of this file:
#define IM_ASSERT(_EXPR) assert(_EXPR) // You can override the default assert handler by editing imconfig.h
#endif
#if defined(__clang__) || defined(__GNUC__)
#define IM_FMTARGS(FMT) __attribute__((format(printf, FMT, FMT+1))) // Apply printf-style warnings to user functions.
#define IM_FMTARGS(FMT) __attribute__((format(printf, FMT, FMT+1))) // To apply printf-style warnings to our functions.
#define IM_FMTLIST(FMT) __attribute__((format(printf, FMT, 0)))
#else
#define IM_FMTARGS(FMT)
#define IM_FMTLIST(FMT)
#endif
#define IM_ARRAYSIZE(_ARR) ((int)(sizeof(_ARR)/sizeof(*_ARR))) // Size of a static C-style array. Don't use on pointers!
#define IM_ARRAYSIZE(_ARR) ((int)(sizeof(_ARR) / sizeof(*_ARR))) // Size of a static C-style array. Don't use on pointers!
#define IM_UNUSED(_VAR) ((void)_VAR) // Used to silence "unused variable warnings". Often useful as asserts may be stripped out from final builds.
#if (__cplusplus >= 201100)
#define IM_OFFSETOF(_TYPE,_MEMBER) offsetof(_TYPE, _MEMBER) // Offset of _MEMBER within _TYPE. Standardized as offsetof() in C++11
#else
#define IM_OFFSETOF(_TYPE,_MEMBER) ((size_t)&(((_TYPE*)0)->_MEMBER)) // Offset of _MEMBER within _TYPE. Old style macro.
#endif
#define IM_UNICODE_CODEPOINT_MAX 0xFFFF // Last Unicode code point supported by this build.
#define IM_UNICODE_CODEPOINT_INVALID 0xFFFD // Standard invalid Unicode code point.
// Warnings
#if defined(__clang__)
@ -123,7 +126,7 @@ struct ImGuiTextBuffer; // Helper to hold and append into a text buf
struct ImGuiTextFilter; // Helper to parse and apply text filters (e.g. "aaaaa[,bbbb][,ccccc]")
// Typedefs and Enums/Flags (declared as int for compatibility with old C++, to allow using as flags and to not pollute the top of this file)
// Use your programming IDE "Go to definition" facility on the names of the center columns to find the actual flags/enum lists.
// Use your programming IDE "Go to definition" facility on the names in the central column below to find the actual flags/enum lists.
#ifndef ImTextureID
typedef void* ImTextureID; // User data to identify a texture (this is whatever to you want it to be! read the FAQ about ImTextureID in imgui.cpp)
#endif
@ -157,7 +160,7 @@ typedef int (*ImGuiInputTextCallback)(ImGuiInputTextCallbackData *data);
typedef void (*ImGuiSizeCallback)(ImGuiSizeCallbackData* data);
// Scalar data types
typedef signed char ImS8; // 8-bit signed integer == char
typedef signed char ImS8; // 8-bit signed integer
typedef unsigned char ImU8; // 8-bit unsigned integer
typedef signed short ImS16; // 16-bit signed integer
typedef unsigned short ImU16; // 16-bit unsigned integer
@ -201,14 +204,14 @@ struct ImVec4
//-----------------------------------------------------------------------------
// ImGui: Dear ImGui end-user API
// (Inside a namespace so you can add extra functions in your own separate file. Please don't modify imgui.cpp/.h!)
// (Inside a namespace so you can add extra functions in your own separate file. Please don't modify imgui source files!)
//-----------------------------------------------------------------------------
namespace ImGui
{
// Context creation and access
// Each context create its own ImFontAtlas by default. You may instance one yourself and pass it to CreateContext() to share a font atlas between imgui contexts.
// All those functions are not reliant on the current context.
// None of those functions is reliant on the current context.
IMGUI_API ImGuiContext* CreateContext(ImFontAtlas* shared_font_atlas = NULL);
IMGUI_API void DestroyContext(ImGuiContext* ctx = NULL); // NULL = destroy current context
IMGUI_API ImGuiContext* GetCurrentContext();
@ -245,8 +248,9 @@ namespace ImGui
// which clicking will set the boolean to false when clicked.
// - Begin() return false to indicate the window is collapsed or fully clipped, so you may early out and omit submitting
// anything to the window. Always call a matching End() for each Begin() call, regardless of its return value!
// [this is due to legacy reason and is inconsistent with most other functions such as BeginMenu/EndMenu, BeginPopup/EndPopup, etc.
// where the EndXXX call should only be called if the corresponding BeginXXX function returned true.]
// [Important: due to legacy reason, this is inconsistent with most other functions such as BeginMenu/EndMenu,
// BeginPopup/EndPopup, etc. where the EndXXX call should only be called if the corresponding BeginXXX function
// returned true. Begin and BeginChild are the only odd ones out. Will be fixed in a future update.]
// - Note that the bottom of window stack always contains a window called "Debug".
IMGUI_API bool Begin(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0);
IMGUI_API void End();
@ -255,13 +259,13 @@ namespace ImGui
// - Use child windows to begin into a self-contained independent scrolling/clipping regions within a host window. Child windows can embed their own child.
// - For each independent axis of 'size': ==0.0f: use remaining host window size / >0.0f: fixed size / <0.0f: use remaining window size minus abs(size) / Each axis can use a different mode, e.g. ImVec2(0,400).
// - BeginChild() returns false to indicate the window is collapsed or fully clipped, so you may early out and omit submitting anything to the window.
// Always call a matching EndChild() for each BeginChild() call, regardless of its return value [this is due to legacy reason and is inconsistent with most other functions such as BeginMenu/EndMenu, BeginPopup/EndPopup, etc. where the EndXXX call should only be called if the corresponding BeginXXX function returned true.]
// Always call a matching EndChild() for each BeginChild() call, regardless of its return value [as with Begin: this is due to legacy reason and inconsistent with most BeginXXX functions apart from the regular Begin() which behaves like BeginChild().]
IMGUI_API bool BeginChild(const char* str_id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags flags = 0);
IMGUI_API bool BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags flags = 0);
IMGUI_API void EndChild();
// Windows Utilities
// - "current window" = the window we are appending into while inside a Begin()/End() block. "next window" = next window we will Begin() into.
// - 'current window' = the window we are appending into while inside a Begin()/End() block. 'next window' = next window we will Begin() into.
IMGUI_API bool IsWindowAppearing();
IMGUI_API bool IsWindowCollapsed();
IMGUI_API bool IsWindowFocused(ImGuiFocusedFlags flags=0); // is current window focused? or its root/child, depending on flags. see flags for options.
@ -342,6 +346,7 @@ namespace ImGui
// Cursor / Layout
// - By "cursor" we mean the current output position.
// - The typical widget behavior is to output themselves at the current cursor position, then move the cursor one line down.
// - You can call SameLine() between widgets to undo the last carriage return and output at the right of the preceeding widget.
IMGUI_API void Separator(); // separator, generally horizontal. inside a menu bar or in horizontal layout mode, this becomes a vertical separator.
IMGUI_API void SameLine(float offset_from_start_x=0.0f, float spacing=-1.0f); // call between widgets or groups to layout them horizontally. X position given in window coordinates.
IMGUI_API void NewLine(); // undo a SameLine() or force a new line when in an horizontal-layout context.
@ -383,8 +388,8 @@ namespace ImGui
IMGUI_API ImGuiID GetID(const void* ptr_id);
// Widgets: Text
IMGUI_API void TextUnformatted(const char* text, const char* text_end = NULL); // raw text without formatting. Roughly equivalent to Text("%s", text) but: A) doesn't require null terminated string if 'text_end' is specified, B) it's faster, no memory copy is done, no buffer size limits, recommended for long chunks of text.
IMGUI_API void Text(const char* fmt, ...) IM_FMTARGS(1); // simple formatted text
IMGUI_API void TextUnformatted(const char* text, const char* text_end = NULL); // raw text without formatting. Roughly equivalent to Text("%s", text) but: A) doesn't require null terminated string if 'text_end' is specified, B) it's faster, no memory copy is done, no buffer size limits, recommended for long chunks of text.
IMGUI_API void Text(const char* fmt, ...) IM_FMTARGS(1); // formatted text
IMGUI_API void TextV(const char* fmt, va_list args) IM_FMTLIST(1);
IMGUI_API void TextColored(const ImVec4& col, const char* fmt, ...) IM_FMTARGS(2); // shortcut for PushStyleColor(ImGuiCol_Text, col); Text(fmt, ...); PopStyleColor();
IMGUI_API void TextColoredV(const ImVec4& col, const char* fmt, va_list args) IM_FMTLIST(2);
@ -399,6 +404,7 @@ namespace ImGui
// Widgets: Main
// - Most widgets return true when the value has been changed or when pressed/selected
// - You may also use one of the many IsItemXXX functions (e.g. IsItemActive, IsItemHovered, etc.) to query widget state.
IMGUI_API bool Button(const char* label, const ImVec2& size = ImVec2(0,0)); // button
IMGUI_API bool SmallButton(const char* label); // button with FramePadding=(0,0) to easily embed within text
IMGUI_API bool InvisibleButton(const char* str_id, const ImVec2& size); // button behavior without the visuals, frequently useful to build custom behaviors using the public api (along with IsItemActive, IsItemHovered, etc.)
@ -413,7 +419,7 @@ namespace ImGui
IMGUI_API void Bullet(); // draw a small circle and keep the cursor on the same line. advance cursor x position by GetTreeNodeToLabelSpacing(), same distance that TreeNode() uses
// Widgets: Combo Box
// - The new BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it, by creating e.g. Selectable() items.
// - The BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it, by creating e.g. Selectable() items.
// - The old Combo() api are helpers over BeginCombo()/EndCombo() which are kept available for convenience purpose.
IMGUI_API bool BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags = 0);
IMGUI_API void EndCombo(); // only call EndCombo() if BeginCombo() returns true!
@ -438,8 +444,8 @@ namespace ImGui
IMGUI_API bool DragInt3(const char* label, int v[3], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d");
IMGUI_API bool DragInt4(const char* label, int v[4], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d");
IMGUI_API bool DragIntRange2(const char* label, int* v_current_min, int* v_current_max, float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d", const char* format_max = NULL);
IMGUI_API bool DragScalar(const char* label, ImGuiDataType data_type, void* v, float v_speed, const void* v_min = NULL, const void* v_max = NULL, const char* format = NULL, float power = 1.0f);
IMGUI_API bool DragScalarN(const char* label, ImGuiDataType data_type, void* v, int components, float v_speed, const void* v_min = NULL, const void* v_max = NULL, const char* format = NULL, float power = 1.0f);
IMGUI_API bool DragScalar(const char* label, ImGuiDataType data_type, void* p_data, float v_speed, const void* p_min = NULL, const void* p_max = NULL, const char* format = NULL, float power = 1.0f);
IMGUI_API bool DragScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, float v_speed, const void* p_min = NULL, const void* p_max = NULL, const char* format = NULL, float power = 1.0f);
// Widgets: Sliders
// - CTRL+Click on any slider to turn them into an input box. Manually input values aren't clamped and can go off-bounds.
@ -453,11 +459,11 @@ namespace ImGui
IMGUI_API bool SliderInt2(const char* label, int v[2], int v_min, int v_max, const char* format = "%d");
IMGUI_API bool SliderInt3(const char* label, int v[3], int v_min, int v_max, const char* format = "%d");
IMGUI_API bool SliderInt4(const char* label, int v[4], int v_min, int v_max, const char* format = "%d");
IMGUI_API bool SliderScalar(const char* label, ImGuiDataType data_type, void* v, const void* v_min, const void* v_max, const char* format = NULL, float power = 1.0f);
IMGUI_API bool SliderScalarN(const char* label, ImGuiDataType data_type, void* v, int components, const void* v_min, const void* v_max, const char* format = NULL, float power = 1.0f);
IMGUI_API bool SliderScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format = NULL, float power = 1.0f);
IMGUI_API bool SliderScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_min, const void* p_max, const char* format = NULL, float power = 1.0f);
IMGUI_API bool VSliderFloat(const char* label, const ImVec2& size, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f);
IMGUI_API bool VSliderInt(const char* label, const ImVec2& size, int* v, int v_min, int v_max, const char* format = "%d");
IMGUI_API bool VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType data_type, void* v, const void* v_min, const void* v_max, const char* format = NULL, float power = 1.0f);
IMGUI_API bool VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format = NULL, float power = 1.0f);
// Widgets: Input with Keyboard
// - If you want to use InputText() with a dynamic string type such as std::string or your own, see misc/cpp/imgui_stdlib.h
@ -474,8 +480,8 @@ namespace ImGui
IMGUI_API bool InputInt3(const char* label, int v[3], ImGuiInputTextFlags flags = 0);
IMGUI_API bool InputInt4(const char* label, int v[4], ImGuiInputTextFlags flags = 0);
IMGUI_API bool InputDouble(const char* label, double* v, double step = 0.0, double step_fast = 0.0, const char* format = "%.6f", ImGuiInputTextFlags flags = 0);
IMGUI_API bool InputScalar(const char* label, ImGuiDataType data_type, void* v, const void* step = NULL, const void* step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0);
IMGUI_API bool InputScalarN(const char* label, ImGuiDataType data_type, void* v, int components, const void* step = NULL, const void* step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0);
IMGUI_API bool InputScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_step = NULL, const void* p_step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0);
IMGUI_API bool InputScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_step = NULL, const void* p_step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0);
// Widgets: Color Editor/Picker (tip: the ColorEdit* functions have a little colored preview square that can be left-clicked to open a picker, and right-clicked to open an option menu.)
// - Note that in C++ a 'float v[X]' function argument is the _same_ as 'float* v', the array syntax is just a way to document the number of elements that are expected to be accessible.
@ -509,7 +515,7 @@ namespace ImGui
// Widgets: Selectables
// - A selectable highlights when hovered, and can display another color when selected.
// - Neighbors selectable extend their highlight bounds in order to leave no gap between them.
// - Neighbors selectable extend their highlight bounds in order to leave no gap between them. This is so a series of selected Selectable appear contiguous.
IMGUI_API bool Selectable(const char* label, bool selected = false, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0,0)); // "bool selected" carry the selection state (read-only). Selectable() is clicked is returns true so you can modify your selection state. size.x==0.0: use remaining width, size.x>0.0: specify width. size.y==0.0: use label height, size.y>0.0: specify height
IMGUI_API bool Selectable(const char* label, bool* p_selected, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0,0)); // "bool* p_selected" point to the selection state (read-write), as a convenient helper.
@ -535,16 +541,19 @@ namespace ImGui
IMGUI_API void Value(const char* prefix, float v, const char* float_format = NULL);
// Widgets: Menus
IMGUI_API bool BeginMainMenuBar(); // create and append to a full screen menu-bar.
IMGUI_API void EndMainMenuBar(); // only call EndMainMenuBar() if BeginMainMenuBar() returns true!
// - Use BeginMenuBar() on a window ImGuiWindowFlags_MenuBar to append to its menu bar.
// - Use BeginMainMenuBar() to create a menu bar at the top of the screen.
IMGUI_API bool BeginMenuBar(); // append to menu-bar of current window (requires ImGuiWindowFlags_MenuBar flag set on parent window).
IMGUI_API void EndMenuBar(); // only call EndMenuBar() if BeginMenuBar() returns true!
IMGUI_API bool BeginMainMenuBar(); // create and append to a full screen menu-bar.
IMGUI_API void EndMainMenuBar(); // only call EndMainMenuBar() if BeginMainMenuBar() returns true!
IMGUI_API bool BeginMenu(const char* label, bool enabled = true); // create a sub-menu entry. only call EndMenu() if this returns true!
IMGUI_API void EndMenu(); // only call EndMenu() if BeginMenu() returns true!
IMGUI_API bool MenuItem(const char* label, const char* shortcut = NULL, bool selected = false, bool enabled = true); // return true when activated. shortcuts are displayed for convenience but not processed by ImGui at the moment
IMGUI_API bool MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled = true); // return true when activated + toggle (*p_selected) if p_selected != NULL
// Tooltips
// - Tooltip are windows following the mouse which do not take focus away.
IMGUI_API void BeginTooltip(); // begin/append a tooltip window. to create full-featured tooltip (with any kind of items).
IMGUI_API void EndTooltip();
IMGUI_API void SetTooltip(const char* fmt, ...) IM_FMTARGS(1); // set a text-only tooltip, typically use with ImGui::IsItemHovered(). override any previous call to SetTooltip().
@ -556,7 +565,7 @@ namespace ImGui
// - Unless modal, they can be closed by clicking anywhere outside them, or by pressing ESCAPE.
// - Their visibility state (~bool) is held internally by imgui instead of being held by the programmer as we are used to with regular Begin() calls.
// User can manipulate the visibility state by calling OpenPopup().
// (*) One can use IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup) to bypass it and detect hovering even when normally blocked by a popup.
// (*) You can use IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup) to bypass it and detect hovering even when normally blocked by a popup.
// Those three properties are connected. The library needs to hold their visibility state because it can close popups at any time.
IMGUI_API void OpenPopup(const char* str_id); // call to mark popup as open (don't call every frame!). popups are closed when user click outside, or if CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block. By default, Selectable()/MenuItem() are calling CloseCurrentPopup(). Popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level).
IMGUI_API bool BeginPopup(const char* str_id, ImGuiWindowFlags flags = 0); // return true if the popup is open, and you can start outputting to it. only call EndPopup() if BeginPopup() returns true!
@ -572,6 +581,7 @@ namespace ImGui
// Columns
// - You can also use SameLine(pos_x) to mimic simplified columns.
// - The columns API is work-in-progress and rather lacking (columns are arguably the worst part of dear imgui at the moment!)
// - By end of the 2019 we will expose a new 'Table' api which will replace columns.
IMGUI_API void Columns(int count = 1, const char* id = NULL, bool border = true);
IMGUI_API void NextColumn(); // next column, defaults to current row or next row if the current row is finished
IMGUI_API int GetColumnIndex(); // get current column index
@ -582,7 +592,6 @@ namespace ImGui
IMGUI_API int GetColumnsCount();
// Tab Bars, Tabs
// [BETA API] API may evolve!
IMGUI_API bool BeginTabBar(const char* str_id, ImGuiTabBarFlags flags = 0); // create and append into a TabBar
IMGUI_API void EndTabBar(); // only call EndTabBar() if BeginTabBar() returns true!
IMGUI_API bool BeginTabItem(const char* label, bool* p_open = NULL, ImGuiTabItemFlags flags = 0);// create a Tab. Returns true if the Tab is selected.
@ -629,6 +638,7 @@ namespace ImGui
IMGUI_API bool IsItemActivated(); // was the last item just made active (item was previously inactive).
IMGUI_API bool IsItemDeactivated(); // was the last item just made inactive (item was previously active). Useful for Undo/Redo patterns with widgets that requires continuous editing.
IMGUI_API bool IsItemDeactivatedAfterEdit(); // was the last item just made inactive and made a value change when it was active? (e.g. Slider/Drag moved). Useful for Undo/Redo patterns with widgets that requires continuous editing. Note that you may get false positives (some widgets such as Combo()/ListBox()/Selectable() will return true even when clicking an already selected item).
IMGUI_API bool IsItemToggledOpen(); // was the last item open state toggled? set by TreeNode().
IMGUI_API bool IsAnyItemHovered(); // is any item hovered?
IMGUI_API bool IsAnyItemActive(); // is any item active?
IMGUI_API bool IsAnyItemFocused(); // is any item focused?
@ -950,12 +960,12 @@ enum ImGuiKey_
ImGuiKey_Enter,
ImGuiKey_Escape,
ImGuiKey_KeyPadEnter,
ImGuiKey_A, // for text edit CTRL+A: select all
ImGuiKey_C, // for text edit CTRL+C: copy
ImGuiKey_V, // for text edit CTRL+V: paste
ImGuiKey_X, // for text edit CTRL+X: cut
ImGuiKey_Y, // for text edit CTRL+Y: redo
ImGuiKey_Z, // for text edit CTRL+Z: undo
ImGuiKey_A, // for text edit CTRL+A: select all
ImGuiKey_C, // for text edit CTRL+C: copy
ImGuiKey_V, // for text edit CTRL+V: paste
ImGuiKey_X, // for text edit CTRL+X: cut
ImGuiKey_Y, // for text edit CTRL+Y: redo
ImGuiKey_Z, // for text edit CTRL+Z: undo
ImGuiKey_COUNT
};
@ -986,7 +996,6 @@ enum ImGuiNavInput_
// [Internal] Don't use directly! This is used internally to differentiate keyboard from gamepad inputs for behaviors that require to differentiate them.
// Keyboard behavior that have no corresponding gamepad mapping (e.g. CTRL+TAB) will be directly reading from io.KeysDown[] instead of io.NavInputs[].
ImGuiNavInput_KeyMenu_, // toggle menu // = io.KeyAlt
ImGuiNavInput_KeyTab_, // tab // = Tab key
ImGuiNavInput_KeyLeft_, // move left // = Arrow keys
ImGuiNavInput_KeyRight_, // move right
ImGuiNavInput_KeyUp_, // move up
@ -1018,7 +1027,7 @@ enum ImGuiBackendFlags_
ImGuiBackendFlags_HasGamepad = 1 << 0, // Back-end Platform supports gamepad and currently has one connected.
ImGuiBackendFlags_HasMouseCursors = 1 << 1, // Back-end Platform supports honoring GetMouseCursor() value to change the OS cursor shape.
ImGuiBackendFlags_HasSetMousePos = 1 << 2, // Back-end Platform supports io.WantSetMousePos requests to reposition the OS mouse position (only used if ImGuiConfigFlags_NavEnableSetMousePos is set).
ImGuiBackendFlags_RendererHasVtxOffset = 1 << 3 // Back-end Renderer supports ImDrawCmd::VtxOffset. This enables output of large meshes (64K+ vertices) while still using 16-bits indices.
ImGuiBackendFlags_RendererHasVtxOffset = 1 << 3 // Back-end Renderer supports ImDrawCmd::VtxOffset. This enables output of large meshes (64K+ vertices) while still using 16-bit indices.
};
// Enumeration for PushStyleColor() / PopStyleColor()
@ -1217,10 +1226,12 @@ template<typename T> void IM_DELETE(T* p) { if (p) { p->~T(); ImGui::MemFree(p
//-----------------------------------------------------------------------------
// Helper: ImVector<>
// Lightweight std::vector<>-like class to avoid dragging dependencies (also, some implementations of STL with debug enabled are absurdly slow, we bypass it so our code runs fast in debug).
// You generally do NOT need to care or use this ever. But we need to make it available in imgui.h because some of our data structures are relying on it.
// Important: clear() frees memory, resize(0) keep the allocated buffer. We use resize(0) a lot to intentionally recycle allocated buffers across frames and amortize our costs.
// Important: our implementation does NOT call C++ constructors/destructors, we treat everything as raw data! This is intentional but be extra mindful of that,
// do NOT use this class as a std::vector replacement in your own code! Many of the structures used by dear imgui can be safely initialized by a zero-memset.
//-----------------------------------------------------------------------------
// - You generally do NOT need to care or use this ever. But we need to make it available in imgui.h because some of our public structures are relying on it.
// - We use std-like naming convention here, which is a little unusual for this codebase.
// - Important: clear() frees memory, resize(0) keep the allocated buffer. We use resize(0) a lot to intentionally recycle allocated buffers across frames and amortize our costs.
// - Important: our implementation does NOT call C++ constructors/destructors, we treat everything as raw data! This is intentional but be extra mindful of that,
// Do NOT use this class as a std::vector replacement in your own code! Many of the structures used by dear imgui can be safely initialized by a zero-memset.
//-----------------------------------------------------------------------------
template<typename T>
@ -1262,6 +1273,7 @@ struct ImVector
inline int _grow_capacity(int sz) const { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > sz ? new_capacity : sz; }
inline void resize(int new_size) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; }
inline void resize(int new_size, const T& v) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); if (new_size > Size) for (int n = Size; n < new_size; n++) memcpy(&Data[n], &v, sizeof(v)); Size = new_size; }
inline void shrink(int new_size) { IM_ASSERT(new_size <= Size); Size = new_size; }
inline void reserve(int new_capacity) { if (new_capacity <= Capacity) return; T* new_data = (T*)IM_ALLOC((size_t)new_capacity * sizeof(T)); if (Data) { memcpy(new_data, Data, (size_t)Size * sizeof(T)); IM_FREE(Data); } Data = new_data; Capacity = new_capacity; }
// NB: It is illegal to call push_back/push_front/insert with a reference pointing inside the ImVector data itself! e.g. v.push_back(v[10]) is forbidden.
@ -1277,7 +1289,7 @@ struct ImVector
inline const T* find(const T& v) const { const T* data = Data; const T* data_end = Data + Size; while (data < data_end) if (*data == v) break; else ++data; return data; }
inline bool find_erase(const T& v) { const T* it = find(v); if (it < Data + Size) { erase(it); return true; } return false; }
inline bool find_erase_unsorted(const T& v) { const T* it = find(v); if (it < Data + Size) { erase_unsorted(it); return true; } return false; }
inline int index_from_ptr(const T* it) const { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; return (int)off; }
inline int index_from_ptr(const T* it) const { IM_ASSERT(it >= Data && it < Data + Size); const ptrdiff_t off = it - Data; return (int)off; }
};
//-----------------------------------------------------------------------------
@ -1572,11 +1584,6 @@ namespace ImGui
static inline bool IsRootWindowOrAnyChildFocused() { return IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows); }
static inline void SetNextWindowContentWidth(float w) { SetNextWindowContentSize(ImVec2(w, 0.0f)); }
static inline float GetItemsLineHeightWithSpacing() { return GetFrameHeightWithSpacing(); }
// OBSOLETED in 1.52 (between Aug 2017 and Oct 2017)
IMGUI_API bool Begin(const char* name, bool* p_open, const ImVec2& size_on_first_use, float bg_alpha_override = -1.0f, ImGuiWindowFlags flags = 0); // Use SetNextWindowSize(size, ImGuiCond_FirstUseEver) + SetNextWindowBgAlpha() instead.
static inline bool IsRootWindowOrAnyChildHovered() { return IsWindowHovered(ImGuiHoveredFlags_RootAndChildWindows); }
static inline void AlignFirstTextHeightToWidgets() { AlignTextToFramePadding(); }
static inline void SetNextWindowPosCenter(ImGuiCond c=0) { ImGuiIO& io = GetIO(); SetNextWindowPos(ImVec2(io.DisplaySize.x * 0.5f, io.DisplaySize.y * 0.5f), c, ImVec2(0.5f, 0.5f)); }
}
typedef ImGuiInputTextCallback ImGuiTextEditCallback; // OBSOLETED in 1.63 (from Aug 2018): made the names consistent
typedef ImGuiInputTextCallbackData ImGuiTextEditCallbackData;
@ -1629,11 +1636,11 @@ struct ImGuiTextBuffer
IMGUI_API static char EmptyString[1];
ImGuiTextBuffer() { }
inline char operator[](int i) { IM_ASSERT(Buf.Data != NULL); return Buf.Data[i]; }
inline char operator[](int i) const { IM_ASSERT(Buf.Data != NULL); return Buf.Data[i]; }
const char* begin() const { return Buf.Data ? &Buf.front() : EmptyString; }
const char* end() const { return Buf.Data ? &Buf.back() : EmptyString; } // Buf is zero-terminated, so end() will point on the zero-terminator
int size() const { return Buf.Size ? Buf.Size - 1 : 0; }
bool empty() { return Buf.Size <= 1; }
bool empty() const { return Buf.Size <= 1; }
void clear() { Buf.clear(); }
void reserve(int capacity) { Buf.reserve(capacity); }
const char* c_str() const { return Buf.Data ? Buf.Data : EmptyString; }
@ -1723,7 +1730,7 @@ struct ImGuiListClipper
IMGUI_API void End(); // Automatically called on the last call of Step() that returns false.
};
// Helpers macros to generate 32-bits encoded colors
// Helpers macros to generate 32-bit encoded colors
#ifdef IMGUI_USE_BGRA_PACKED_COLOR
#define IM_COL32_R_SHIFT 16
#define IM_COL32_G_SHIFT 8
@ -1787,13 +1794,13 @@ typedef void (*ImDrawCallback)(const ImDrawList* parent_list, const ImDrawCmd* c
// Typically, 1 command = 1 GPU draw call (unless command is a callback)
// Pre 1.71 back-ends will typically ignore the VtxOffset/IdxOffset fields. When 'io.BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset'
// is enabled, those fields allow us to render meshes larger than 64K vertices while keeping 16-bits indices.
// is enabled, those fields allow us to render meshes larger than 64K vertices while keeping 16-bit indices.
struct ImDrawCmd
{
unsigned int ElemCount; // Number of indices (multiple of 3) to be rendered as triangles. Vertices are stored in the callee ImDrawList's vtx_buffer[] array, indices in idx_buffer[].
ImVec4 ClipRect; // Clipping rectangle (x1, y1, x2, y2). Subtract ImDrawData->DisplayPos to get clipping rectangle in "viewport" coordinates
ImTextureID TextureId; // User-provided texture ID. Set by user in ImfontAtlas::SetTexID() for fonts or passed to Image*() functions. Ignore if never using images or multiple fonts atlas.
unsigned int VtxOffset; // Start offset in vertex buffer. Pre-1.71 or without ImGuiBackendFlags_RendererHasVtxOffset: always 0. With ImGuiBackendFlags_RendererHasVtxOffset: may be >0 to support meshes larger than 64K vertices with 16-bits indices.
unsigned int VtxOffset; // Start offset in vertex buffer. Pre-1.71 or without ImGuiBackendFlags_RendererHasVtxOffset: always 0. With ImGuiBackendFlags_RendererHasVtxOffset: may be >0 to support meshes larger than 64K vertices with 16-bit indices.
unsigned int IdxOffset; // Start offset in index buffer. Always equal to sum of ElemCount drawn so far.
ImDrawCallback UserCallback; // If != NULL, call the function instead of rendering the vertices. clip_rect and texture_id will be set normally.
void* UserCallbackData; // The draw callback code can access this.
@ -1802,8 +1809,8 @@ struct ImDrawCmd
};
// Vertex index
// (to allow large meshes with 16-bits indices: set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset' and handle ImDrawCmd::VtxOffset in the renderer back-end)
// (to use 32-bits indices: override with '#define ImDrawIdx unsigned int' in imconfig.h)
// (to allow large meshes with 16-bit indices: set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset' and handle ImDrawCmd::VtxOffset in the renderer back-end)
// (to use 32-bit indices: override with '#define ImDrawIdx unsigned int' in imconfig.h)
#ifndef ImDrawIdx
typedef unsigned short ImDrawIdx;
#endif
@ -1912,7 +1919,7 @@ struct ImDrawList
// Primitives
// - For rectangular primitives, "p_min" and "p_max" represent the upper-left and lower-right corners.
IMGUI_API void AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness = 1.0f);
IMGUI_API void AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All, float thickness = 1.0f); // a: upper-left, b: lower-right (== upper-left + size), rounding_corners_flags: 4-bits corresponding to which corner to round
IMGUI_API void AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All, float thickness = 1.0f); // a: upper-left, b: lower-right (== upper-left + size), rounding_corners_flags: 4 bits corresponding to which corner to round
IMGUI_API void AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All); // a: upper-left, b: lower-right (== upper-left + size)
IMGUI_API void AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left);
IMGUI_API void AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness = 1.0f);
@ -2041,7 +2048,7 @@ struct ImFontGlyphRangesBuilder
ImVector<ImU32> UsedChars; // Store 1-bit per Unicode code point (0=unused, 1=used)
ImFontGlyphRangesBuilder() { Clear(); }
inline void Clear() { int size_in_bytes = 0x10000 / 8; UsedChars.resize(size_in_bytes / (int)sizeof(ImU32)); memset(UsedChars.Data, 0, (size_t)size_in_bytes); }
inline void Clear() { int size_in_bytes = (IM_UNICODE_CODEPOINT_MAX+1) / 8; UsedChars.resize(size_in_bytes / (int)sizeof(ImU32)); memset(UsedChars.Data, 0, (size_t)size_in_bytes); }
inline bool GetBit(int n) const { int off = (n >> 5); ImU32 mask = 1u << (n & 31); return (UsedChars[off] & mask) != 0; } // Get bit n in the array
inline void SetBit(int n) { int off = (n >> 5); ImU32 mask = 1u << (n & 31); UsedChars[off] |= mask; } // Set bit n in the array
inline void AddChar(ImWchar c) { SetBit(c); } // Add character
@ -2053,12 +2060,12 @@ struct ImFontGlyphRangesBuilder
// See ImFontAtlas::AddCustomRectXXX functions.
struct ImFontAtlasCustomRect
{
unsigned int ID; // Input // User ID. Use <0x10000 to map into a font glyph, >=0x10000 for other/internal/custom texture data.
unsigned int ID; // Input // User ID. Use < 0x110000 to map into a font glyph, >= 0x110000 for other/internal/custom texture data.
unsigned short Width, Height; // Input // Desired rectangle dimension
unsigned short X, Y; // Output // Packed position in Atlas
float GlyphAdvanceX; // Input // For custom font glyphs only (ID<0x10000): glyph xadvance
ImVec2 GlyphOffset; // Input // For custom font glyphs only (ID<0x10000): glyph display offset
ImFont* Font; // Input // For custom font glyphs only (ID<0x10000): target font
float GlyphAdvanceX; // Input // For custom font glyphs only (ID < 0x110000): glyph xadvance
ImVec2 GlyphOffset; // Input // For custom font glyphs only (ID < 0x110000): glyph display offset
ImFont* Font; // Input // For custom font glyphs only (ID < 0x110000): target font
ImFontAtlasCustomRect() { ID = 0xFFFFFFFF; Width = Height = 0; X = Y = 0xFFFF; GlyphAdvanceX = 0.0f; GlyphOffset = ImVec2(0,0); Font = NULL; }
bool IsPacked() const { return X != 0xFFFF; }
};
@ -2110,7 +2117,7 @@ struct ImFontAtlas
IMGUI_API bool Build(); // Build pixels data. This is called automatically for you by the GetTexData*** functions.
IMGUI_API void GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel = NULL); // 1 byte per-pixel
IMGUI_API void GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel = NULL); // 4 bytes-per-pixel
bool IsBuilt() { return Fonts.Size > 0 && (TexPixelsAlpha8 != NULL || TexPixelsRGBA32 != NULL); }
bool IsBuilt() const { return Fonts.Size > 0 && (TexPixelsAlpha8 != NULL || TexPixelsRGBA32 != NULL); }
void SetTexID(ImTextureID id) { TexID = id; }
//-------------------------------------------
@ -2137,13 +2144,13 @@ struct ImFontAtlas
// After calling Build(), you can query the rectangle position and render your pixels.
// You can also request your rectangles to be mapped as font glyph (given a font + Unicode point),
// so you can render e.g. custom colorful icons and use them as regular glyphs.
// Read misc/fonts/README.txt for more details about using colorful icons.
IMGUI_API int AddCustomRectRegular(unsigned int id, int width, int height); // Id needs to be >= 0x10000. Id >= 0x80000000 are reserved for ImGui and ImDrawList
IMGUI_API int AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset = ImVec2(0,0)); // Id needs to be < 0x10000 to register a rectangle to map into a specific font.
// Read docs/FONTS.txt for more details about using colorful icons.
IMGUI_API int AddCustomRectRegular(unsigned int id, int width, int height); // Id needs to be >= 0x110000. Id >= 0x80000000 are reserved for ImGui and ImDrawList
IMGUI_API int AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset = ImVec2(0,0)); // Id needs to be < 0x110000 to register a rectangle to map into a specific font.
const ImFontAtlasCustomRect*GetCustomRectByIndex(int index) const { if (index < 0) return NULL; return &CustomRects[index]; }
// [Internal]
IMGUI_API void CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max);
IMGUI_API void CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const;
IMGUI_API bool GetMouseCursorTexData(ImGuiMouseCursor cursor, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]);
//-------------------------------------------
@ -2224,10 +2231,6 @@ struct ImFont
IMGUI_API void AddGlyph(ImWchar c, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x);
IMGUI_API void AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst = true); // Makes 'dst' character/glyph points to 'src' character/glyph. Currently needs to be called AFTER fonts have been built.
IMGUI_API void SetFallbackChar(ImWchar c);
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
typedef ImFontGlyph Glyph; // OBSOLETED in 1.52+
#endif
};
#if defined(__clang__)

319
imgui/imgui_demo.cpp
View File

@ -1,4 +1,4 @@
// dear imgui, v1.73
// dear imgui, v1.74
// (demo code)
// Message to the person tempted to delete this file when integrating Dear ImGui into their code base:
@ -100,12 +100,17 @@ Index of this file:
// Play it nice with Windows users. Notepad in 2017 still doesn't display text data with Unix-style \n.
#ifdef _WIN32
#define IM_NEWLINE "\r\n"
#define snprintf _snprintf
#define vsnprintf _vsnprintf
#else
#define IM_NEWLINE "\n"
#endif
#if defined(_MSC_VER) && !defined(snprintf)
#define snprintf _snprintf
#endif
#if defined(_MSC_VER) && !defined(vsnprintf)
#define vsnprintf _vsnprintf
#endif
//-----------------------------------------------------------------------------
// [SECTION] Forward Declarations, Helpers
//-----------------------------------------------------------------------------
@ -132,7 +137,7 @@ static void ShowExampleAppCustomRendering(bool* p_open);
static void ShowExampleMenuFile();
// Helper to display a little (?) mark which shows a tooltip when hovered.
// In your own code you may want to display an actual icon if you are using a merged icon fonts (see misc/fonts/README.txt)
// In your own code you may want to display an actual icon if you are using a merged icon fonts (see docs/FONTS.txt)
static void HelpMarker(const char* desc)
{
ImGui::TextDisabled("(?)");
@ -152,25 +157,28 @@ void ImGui::ShowUserGuide()
ImGuiIO& io = ImGui::GetIO();
ImGui::BulletText("Double-click on title bar to collapse window.");
ImGui::BulletText("Click and drag on lower corner to resize window\n(double-click to auto fit window to its contents).");
if (io.ConfigWindowsMoveFromTitleBarOnly)
ImGui::BulletText("Click and drag on title bar to move window.");
else
ImGui::BulletText("Click and drag on any empty space to move window.");
ImGui::BulletText("TAB/SHIFT+TAB to cycle through keyboard editable fields.");
ImGui::BulletText("CTRL+Click on a slider or drag box to input value as text.");
ImGui::BulletText("TAB/SHIFT+TAB to cycle through keyboard editable fields.");
if (io.FontAllowUserScaling)
ImGui::BulletText("CTRL+Mouse Wheel to zoom window contents.");
ImGui::BulletText("Mouse Wheel to scroll.");
ImGui::BulletText("While editing text:\n");
ImGui::BulletText("While inputing text:\n");
ImGui::Indent();
ImGui::BulletText("Hold SHIFT or use mouse to select text.");
ImGui::BulletText("CTRL+Left/Right to word jump.");
ImGui::BulletText("CTRL+A or double-click to select all.");
ImGui::BulletText("CTRL+X,CTRL+C,CTRL+V to use clipboard.");
ImGui::BulletText("CTRL+X/C/V to use clipboard cut/copy/paste.");
ImGui::BulletText("CTRL+Z,CTRL+Y to undo/redo.");
ImGui::BulletText("ESCAPE to revert.");
ImGui::BulletText("You can apply arithmetic operators +,*,/ on numerical values.\nUse +- to subtract.");
ImGui::Unindent();
ImGui::BulletText("With keyboard navigation enabled:");
ImGui::Indent();
ImGui::BulletText("Arrow keys to navigate.");
ImGui::BulletText("Space to activate a widget.");
ImGui::BulletText("Return to input text into a widget.");
ImGui::BulletText("Escape to deactivate a widget, close popup, exit child window.");
ImGui::BulletText("Alt to jump to the menu layer of a window.");
ImGui::BulletText("CTRL+Tab to select a window.");
ImGui::Unindent();
}
//-----------------------------------------------------------------------------
@ -311,12 +319,20 @@ void ImGui::ShowDemoWindow(bool* p_open)
if (ImGui::CollapsingHeader("Help"))
{
ImGui::Text("ABOUT THIS DEMO:");
ImGui::BulletText("Sections below are demonstrating many aspects of the library.");
ImGui::BulletText("The \"Examples\" menu above leads to more demo contents.");
ImGui::BulletText("The \"Tools\" menu above gives access to: About Box, Style Editor,\n"
"and Metrics (general purpose Dear ImGui debugging tool).");
ImGui::Separator();
ImGui::Text("PROGRAMMER GUIDE:");
ImGui::BulletText("Please see the ShowDemoWindow() code in imgui_demo.cpp. <- you are here!");
ImGui::BulletText("Please see the comments in imgui.cpp.");
ImGui::BulletText("Please see the examples/ application.");
ImGui::BulletText("Enable 'io.ConfigFlags |= NavEnableKeyboard' for keyboard controls.");
ImGui::BulletText("Enable 'io.ConfigFlags |= NavEnableGamepad' for gamepad controls.");
ImGui::BulletText("See the ShowDemoWindow() code in imgui_demo.cpp. <- you are here!");
ImGui::BulletText("See comments in imgui.cpp.");
ImGui::BulletText("See example applications in the examples/ folder.");
ImGui::BulletText("Read the FAQ at http://www.dearimgui.org/faq/");
ImGui::BulletText("Set 'io.ConfigFlags |= NavEnableKeyboard' for keyboard controls.");
ImGui::BulletText("Set 'io.ConfigFlags |= NavEnableGamepad' for gamepad controls.");
ImGui::Separator();
ImGui::Text("USER GUIDE:");
@ -360,7 +376,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
if (ImGui::TreeNode("Backend Flags"))
{
HelpMarker("Those flags are set by the back-ends (imgui_impl_xxx files) to specify their capabilities.");
HelpMarker("Those flags are set by the back-ends (imgui_impl_xxx files) to specify their capabilities.\nHere we expose then as read-only fields to avoid breaking interactions with your back-end.");
ImGuiBackendFlags backend_flags = io.BackendFlags; // Make a local copy to avoid modifying actual back-end flags.
ImGui::CheckboxFlags("io.BackendFlags: HasGamepad", (unsigned int *)&backend_flags, ImGuiBackendFlags_HasGamepad);
ImGui::CheckboxFlags("io.BackendFlags: HasMouseCursors", (unsigned int *)&backend_flags, ImGuiBackendFlags_HasMouseCursors);
@ -372,6 +388,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
if (ImGui::TreeNode("Style"))
{
HelpMarker("The same contents can be accessed in 'Tools->Style Editor' or by calling the ShowStyleEditor() function.");
ImGui::ShowStyleEditor();
ImGui::TreePop();
ImGui::Separator();
@ -753,14 +770,14 @@ static void ShowDemoWindowWidgets()
if (ImGui::TreeNode("UTF-8 Text"))
{
// UTF-8 test with Japanese characters
// (Needs a suitable font, try Noto, or Arial Unicode, or M+ fonts. Read misc/fonts/README.txt for details.)
// (Needs a suitable font, try Noto, or Arial Unicode, or M+ fonts. Read docs/FONTS.txt for details.)
// - From C++11 you can use the u8"my text" syntax to encode literal strings as UTF-8
// - For earlier compiler, you may be able to encode your sources as UTF-8 (e.g. Visual Studio save your file as 'UTF-8 without signature')
// - FOR THIS DEMO FILE ONLY, BECAUSE WE WANT TO SUPPORT OLD COMPILERS, WE ARE *NOT* INCLUDING RAW UTF-8 CHARACTERS IN THIS SOURCE FILE.
// Instead we are encoding a few strings with hexadecimal constants. Don't do this in your application!
// Please use u8"text in any language" in your application!
// Note that characters values are preserved even by InputText() if the font cannot be displayed, so you can safely copy & paste garbled characters into another application.
ImGui::TextWrapped("CJK text will only appears if the font was loaded with the appropriate CJK character ranges. Call io.Font->AddFontFromFileTTF() manually to load extra character ranges. Read misc/fonts/README.txt for details.");
ImGui::TextWrapped("CJK text will only appears if the font was loaded with the appropriate CJK character ranges. Call io.Font->AddFontFromFileTTF() manually to load extra character ranges. Read docs/FONTS.txt for details.");
ImGui::Text("Hiragana: \xe3\x81\x8b\xe3\x81\x8d\xe3\x81\x8f\xe3\x81\x91\xe3\x81\x93 (kakikukeko)"); // Normally we would use u8"blah blah" with the proper characters directly in the string.
ImGui::Text("Kanjis: \xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e (nihongo)");
static char buf[32] = "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e";
@ -923,7 +940,7 @@ static void ShowDemoWindowWidgets()
if (ImGui::TreeNode("In columns"))
{
ImGui::Columns(3, NULL, false);
static bool selected[16] = { 0 };
static bool selected[16] = {};
for (int i = 0; i < 16; i++)
{
char label[32]; sprintf(label, "Item %d", i);
@ -1075,7 +1092,7 @@ static void ShowDemoWindowWidgets()
// Create a dummy array of contiguous float values to plot
// Tip: If your float aren't contiguous but part of a structure, you can pass a pointer to your first float and the sizeof() of your structure in the Stride parameter.
static float values[90] = { 0 };
static float values[90] = {};
static int values_offset = 0;
static double refresh_time = 0.0;
if (!animate || refresh_time == 0.0)
@ -1176,7 +1193,7 @@ static void ShowDemoWindowWidgets()
// Generate a dummy default palette. The palette will persist and can be edited.
static bool saved_palette_init = true;
static ImVec4 saved_palette[32] = { };
static ImVec4 saved_palette[32] = {};
if (saved_palette_init)
{
for (int n = 0; n < IM_ARRAYSIZE(saved_palette); n++)
@ -1506,24 +1523,21 @@ static void ShowDemoWindowWidgets()
if (ImGui::TreeNode("Drag and Drop"))
{
if (ImGui::TreeNode("Drag and drop in standard widgets"))
{
// ColorEdit widgets automatically act as drag source and drag target.
// They are using standardized payload strings IMGUI_PAYLOAD_TYPE_COLOR_3F and IMGUI_PAYLOAD_TYPE_COLOR_4F to allow your own widgets
// to use colors in their drag and drop interaction. Also see the demo in Color Picker -> Palette demo.
ImGui::BulletText("Drag and drop in standard widgets");
ImGui::SameLine();
HelpMarker("You can drag from the colored squares.");
ImGui::Indent();
static float col1[3] = { 1.0f,0.0f,0.2f };
static float col2[4] = { 0.4f,0.7f,0.0f,0.5f };
static float col1[3] = { 1.0f, 0.0f, 0.2f };
static float col2[4] = { 0.4f, 0.7f, 0.0f, 0.5f };
ImGui::ColorEdit3("color 1", col1);
ImGui::ColorEdit4("color 2", col2);
ImGui::Unindent();
ImGui::TreePop();
}
if (ImGui::TreeNode("Drag and drop to copy/swap items"))
{
ImGui::BulletText("Drag and drop to copy/swap items");
ImGui::Indent();
enum Mode
{
Mode_Copy,
@ -1577,7 +1591,31 @@ static void ShowDemoWindowWidgets()
}
ImGui::PopID();
}
ImGui::Unindent();
ImGui::TreePop();
}
if (ImGui::TreeNode("Drag to reorder items (simple)"))
{
// Simple reordering
HelpMarker("We don't use the drag and drop api at all here! Instead we query when the item is held but not hovered, and order items accordingly.");
static const char* item_names[] = { "Item One", "Item Two", "Item Three", "Item Four", "Item Five" };
for (int n = 0; n < IM_ARRAYSIZE(item_names); n++)
{
const char* item = item_names[n];
ImGui::Selectable(item);
if (ImGui::IsItemActive() && !ImGui::IsItemHovered())
{
int n_next = n + (ImGui::GetMouseDragDelta(0).y < 0.f ? -1 : 1);
if (n_next >= 0 && n_next < IM_ARRAYSIZE(item_names))
{
item_names[n] = item_names[n_next];
item_names[n_next] = item;
ImGui::ResetMouseDragDelta();
}
}
}
ImGui::TreePop();
}
ImGui::TreePop();
@ -1587,7 +1625,7 @@ static void ShowDemoWindowWidgets()
{
// Submit an item (various types available) so we can query their status in the following block.
static int item_type = 1;
ImGui::Combo("Item Type", &item_type, "Text\0Button\0Button (w/ repeat)\0Checkbox\0SliderFloat\0InputText\0InputFloat\0InputFloat3\0ColorEdit4\0MenuItem\0TreeNode (w/ double-click)\0ListBox\0");
ImGui::Combo("Item Type", &item_type, "Text\0Button\0Button (w/ repeat)\0Checkbox\0SliderFloat\0InputText\0InputFloat\0InputFloat3\0ColorEdit4\0MenuItem\0TreeNode\0TreeNode (w/ double-click)\0ListBox\0", 20);
ImGui::SameLine();
HelpMarker("Testing how various types of items are interacting with the IsItemXXX functions.");
bool ret = false;
@ -1604,13 +1642,14 @@ static void ShowDemoWindowWidgets()
if (item_type == 7) { ret = ImGui::InputFloat3("ITEM: InputFloat3", col4f); } // Testing multi-component items (IsItemXXX flags are reported merged)
if (item_type == 8) { ret = ImGui::ColorEdit4("ITEM: ColorEdit4", col4f); } // Testing multi-component items (IsItemXXX flags are reported merged)
if (item_type == 9) { ret = ImGui::MenuItem("ITEM: MenuItem"); } // Testing menu item (they use ImGuiButtonFlags_PressedOnRelease button policy)
if (item_type == 10){ ret = ImGui::TreeNodeEx("ITEM: TreeNode w/ ImGuiTreeNodeFlags_OpenOnDoubleClick", ImGuiTreeNodeFlags_OpenOnDoubleClick | ImGuiTreeNodeFlags_NoTreePushOnOpen); } // Testing tree node with ImGuiButtonFlags_PressedOnDoubleClick button policy.
if (item_type == 11){ const char* items[] = { "Apple", "Banana", "Cherry", "Kiwi" }; static int current = 1; ret = ImGui::ListBox("ITEM: ListBox", &current, items, IM_ARRAYSIZE(items), IM_ARRAYSIZE(items)); }
if (item_type == 10){ ret = ImGui::TreeNode("ITEM: TreeNode"); if (ret) ImGui::TreePop(); } // Testing tree node
if (item_type == 11){ ret = ImGui::TreeNodeEx("ITEM: TreeNode w/ ImGuiTreeNodeFlags_OpenOnDoubleClick", ImGuiTreeNodeFlags_OpenOnDoubleClick | ImGuiTreeNodeFlags_NoTreePushOnOpen); } // Testing tree node with ImGuiButtonFlags_PressedOnDoubleClick button policy.
if (item_type == 12){ const char* items[] = { "Apple", "Banana", "Cherry", "Kiwi" }; static int current = 1; ret = ImGui::ListBox("ITEM: ListBox", &current, items, IM_ARRAYSIZE(items), IM_ARRAYSIZE(items)); }
// Display the value of IsItemHovered() and other common item state functions.
// Display the value of IsItemHovered() and other common item state functions.
// Note that the ImGuiHoveredFlags_XXX flags can be combined.
// Because BulletText is an item itself and that would affect the output of IsItemXXX functions,
// we query every state in a single call to avoid storing them and to simplify the code
// Because BulletText is an item itself and that would affect the output of IsItemXXX functions,
// we query every state in a single call to avoid storing them and to simplify the code
ImGui::BulletText(
"Return value = %d\n"
"IsItemFocused() = %d\n"
@ -1626,6 +1665,7 @@ static void ShowDemoWindowWidgets()
"IsItemDeactivatedAfterEdit() = %d\n"
"IsItemVisible() = %d\n"
"IsItemClicked() = %d\n"
"IsItemToggledOpen() = %d\n"
"GetItemRectMin() = (%.1f, %.1f)\n"
"GetItemRectMax() = (%.1f, %.1f)\n"
"GetItemRectSize() = (%.1f, %.1f)",
@ -1643,6 +1683,7 @@ static void ShowDemoWindowWidgets()
ImGui::IsItemDeactivatedAfterEdit(),
ImGui::IsItemVisible(),
ImGui::IsItemClicked(),
ImGui::IsItemToggledOpen(),
ImGui::GetItemRectMin().x, ImGui::GetItemRectMin().y,
ImGui::GetItemRectMax().x, ImGui::GetItemRectMax().y,
ImGui::GetItemRectSize().x, ImGui::GetItemRectSize().y
@ -1653,7 +1694,7 @@ static void ShowDemoWindowWidgets()
if (embed_all_inside_a_child_window)
ImGui::BeginChild("outer_child", ImVec2(0, ImGui::GetFontSize() * 20), true);
// Testing IsWindowFocused() function with its various flags.
// Testing IsWindowFocused() function with its various flags.
// Note that the ImGuiFocusedFlags_XXX flags can be combined.
ImGui::BulletText(
"IsWindowFocused() = %d\n"
@ -2047,55 +2088,99 @@ static void ShowDemoWindowLayout()
if (ImGui::TreeNode("Text Baseline Alignment"))
{
HelpMarker("This is testing the vertical alignment that gets applied on text to keep it aligned with widgets. Lines only composed of text or \"small\" widgets fit in less vertical spaces than lines with normal widgets.");
{
ImGui::BulletText("Text baseline:");
ImGui::SameLine();
HelpMarker("This is testing the vertical alignment that gets applied on text to keep it aligned with widgets. Lines only composed of text or \"small\" widgets fit in less vertical spaces than lines with normal widgets.");
ImGui::Indent();
ImGui::Text("One\nTwo\nThree"); ImGui::SameLine();
ImGui::Text("Hello\nWorld"); ImGui::SameLine();
ImGui::Text("Banana");
ImGui::Text("KO Blahblah"); ImGui::SameLine();
ImGui::Button("Some framed item"); ImGui::SameLine();
HelpMarker("Baseline of button will look misaligned with text..");
ImGui::Text("Banana"); ImGui::SameLine();
ImGui::Text("Hello\nWorld"); ImGui::SameLine();
ImGui::Text("One\nTwo\nThree");
// If your line starts with text, call AlignTextToFramePadding() to align text to upcoming widgets.
// Because we don't know what's coming after the Text() statement, we need to move the text baseline down by FramePadding.y
ImGui::AlignTextToFramePadding();
ImGui::Text("OK Blahblah"); ImGui::SameLine();
ImGui::Button("Some framed item"); ImGui::SameLine();
HelpMarker("We call AlignTextToFramePadding() to vertically align the text baseline by +FramePadding.y");
ImGui::Button("HOP##1"); ImGui::SameLine();
ImGui::Text("Banana"); ImGui::SameLine();
ImGui::Text("Hello\nWorld"); ImGui::SameLine();
ImGui::Text("Banana");
// SmallButton() uses the same vertical padding as Text
ImGui::Button("TEST##1"); ImGui::SameLine();
ImGui::Text("TEST"); ImGui::SameLine();
ImGui::SmallButton("TEST##2");
ImGui::Button("HOP##2"); ImGui::SameLine();
ImGui::Text("Hello\nWorld"); ImGui::SameLine();
ImGui::Text("Banana");
// If your line starts with text, call AlignTextToFramePadding() to align text to upcoming widgets.
ImGui::AlignTextToFramePadding();
ImGui::Text("Text aligned to framed item"); ImGui::SameLine();
ImGui::Button("Item##1"); ImGui::SameLine();
ImGui::Text("Item"); ImGui::SameLine();
ImGui::SmallButton("Item##2"); ImGui::SameLine();
ImGui::Button("Item##3");
ImGui::Button("TEST##1"); ImGui::SameLine();
ImGui::Text("TEST"); ImGui::SameLine();
ImGui::SmallButton("TEST##2");
ImGui::Unindent();
}
ImGui::AlignTextToFramePadding(); // If your line starts with text, call this to align it to upcoming widgets.
ImGui::Text("Text aligned to Widget"); ImGui::SameLine();
ImGui::Button("Widget##1"); ImGui::SameLine();
ImGui::Text("Widget"); ImGui::SameLine();
ImGui::SmallButton("Widget##2"); ImGui::SameLine();
ImGui::Button("Widget##3");
ImGui::Spacing();
// Tree
const float spacing = ImGui::GetStyle().ItemInnerSpacing.x;
ImGui::Button("Button##1");
ImGui::SameLine(0.0f, spacing);
if (ImGui::TreeNode("Node##1")) { for (int i = 0; i < 6; i++) ImGui::BulletText("Item %d..", i); ImGui::TreePop(); } // Dummy tree data
{
ImGui::BulletText("Multi-line text:");
ImGui::Indent();
ImGui::Text("One\nTwo\nThree"); ImGui::SameLine();
ImGui::Text("Hello\nWorld"); ImGui::SameLine();
ImGui::Text("Banana");
ImGui::AlignTextToFramePadding(); // Vertically align text node a bit lower so it'll be vertically centered with upcoming widget. Otherwise you can use SmallButton (smaller fit).
bool node_open = ImGui::TreeNode("Node##2"); // Common mistake to avoid: if we want to SameLine after TreeNode we need to do it before we add child content.
ImGui::SameLine(0.0f, spacing); ImGui::Button("Button##2");
if (node_open) { for (int i = 0; i < 6; i++) ImGui::BulletText("Item %d..", i); ImGui::TreePop(); } // Dummy tree data
ImGui::Text("Banana"); ImGui::SameLine();
ImGui::Text("Hello\nWorld"); ImGui::SameLine();
ImGui::Text("One\nTwo\nThree");
// Bullet
ImGui::Button("Button##3");
ImGui::SameLine(0.0f, spacing);
ImGui::BulletText("Bullet text");
ImGui::Button("HOP##1"); ImGui::SameLine();
ImGui::Text("Banana"); ImGui::SameLine();
ImGui::Text("Hello\nWorld"); ImGui::SameLine();
ImGui::Text("Banana");
ImGui::AlignTextToFramePadding();
ImGui::BulletText("Node");
ImGui::SameLine(0.0f, spacing); ImGui::Button("Button##4");
ImGui::Button("HOP##2"); ImGui::SameLine();
ImGui::Text("Hello\nWorld"); ImGui::SameLine();
ImGui::Text("Banana");
ImGui::Unindent();
}
ImGui::Spacing();
{
ImGui::BulletText("Misc items:");
ImGui::Indent();
// SmallButton() sets FramePadding to zero. Text baseline is aligned to match baseline of previous Button
ImGui::Button("80x80", ImVec2(80, 80));
ImGui::SameLine();
ImGui::Button("50x50", ImVec2(50, 50));
ImGui::SameLine();
ImGui::Button("Button()");
ImGui::SameLine();
ImGui::SmallButton("SmallButton()");
// Tree
const float spacing = ImGui::GetStyle().ItemInnerSpacing.x;
ImGui::Button("Button##1");
ImGui::SameLine(0.0f, spacing);
if (ImGui::TreeNode("Node##1")) { for (int i = 0; i < 6; i++) ImGui::BulletText("Item %d..", i); ImGui::TreePop(); } // Dummy tree data
ImGui::AlignTextToFramePadding(); // Vertically align text node a bit lower so it'll be vertically centered with upcoming widget. Otherwise you can use SmallButton (smaller fit).
bool node_open = ImGui::TreeNode("Node##2");// Common mistake to avoid: if we want to SameLine after TreeNode we need to do it before we add child content.
ImGui::SameLine(0.0f, spacing); ImGui::Button("Button##2");
if (node_open) { for (int i = 0; i < 6; i++) ImGui::BulletText("Item %d..", i); ImGui::TreePop(); } // Dummy tree data
// Bullet
ImGui::Button("Button##3");
ImGui::SameLine(0.0f, spacing);
ImGui::BulletText("Bullet text");
ImGui::AlignTextToFramePadding();
ImGui::BulletText("Node");
ImGui::SameLine(0.0f, spacing); ImGui::Button("Button##4");
ImGui::Unindent();
}
ImGui::TreePop();
}
@ -2142,7 +2227,7 @@ static void ShowDemoWindowLayout()
ImGui::TextUnformatted(names[i]);
ImGuiWindowFlags child_flags = enable_extra_decorations ? ImGuiWindowFlags_MenuBar : 0;
ImGui::BeginChild(ImGui::GetID((void*)(intptr_t)i), ImVec2(child_w, 200.0f), true, child_flags);
bool window_visible = ImGui::BeginChild(ImGui::GetID((void*)(intptr_t)i), ImVec2(child_w, 200.0f), true, child_flags);
if (ImGui::BeginMenuBar())
{
ImGui::TextUnformatted("abc");
@ -2152,16 +2237,19 @@ static void ShowDemoWindowLayout()
ImGui::SetScrollY(scroll_to_off_px);
if (scroll_to_pos)
ImGui::SetScrollFromPosY(ImGui::GetCursorStartPos().y + scroll_to_pos_px, i * 0.25f);
for (int item = 0; item < 100; item++)
if (window_visible) // Avoid calling SetScrollHereY when running with culled items
{
if (enable_track && item == track_item)
for (int item = 0; item < 100; item++)
{
ImGui::TextColored(ImVec4(1,1,0,1), "Item %d", item);
ImGui::SetScrollHereY(i * 0.25f); // 0.0f:top, 0.5f:center, 1.0f:bottom
}
else
{
ImGui::Text("Item %d", item);
if (enable_track && item == track_item)
{
ImGui::TextColored(ImVec4(1, 1, 0, 1), "Item %d", item);
ImGui::SetScrollHereY(i * 0.25f); // 0.0f:top, 0.5f:center, 1.0f:bottom
}
else
{
ImGui::Text("Item %d", item);
}
}
}
float scroll_y = ImGui::GetScrollY();
@ -2180,23 +2268,26 @@ static void ShowDemoWindowLayout()
{
float child_height = ImGui::GetTextLineHeight() + style.ScrollbarSize + style.WindowPadding.y * 2.0f;
ImGuiWindowFlags child_flags = ImGuiWindowFlags_HorizontalScrollbar | (enable_extra_decorations ? ImGuiWindowFlags_AlwaysVerticalScrollbar : 0);
ImGui::BeginChild(ImGui::GetID((void*)(intptr_t)i), ImVec2(-100, child_height), true, child_flags);
bool window_visible = ImGui::BeginChild(ImGui::GetID((void*)(intptr_t)i), ImVec2(-100, child_height), true, child_flags);
if (scroll_to_off)
ImGui::SetScrollX(scroll_to_off_px);
if (scroll_to_pos)
ImGui::SetScrollFromPosX(ImGui::GetCursorStartPos().x + scroll_to_pos_px, i * 0.25f);
for (int item = 0; item < 100; item++)
if (window_visible) // Avoid calling SetScrollHereY when running with culled items
{
if (enable_track && item == track_item)
for (int item = 0; item < 100; item++)
{
ImGui::TextColored(ImVec4(1, 1, 0, 1), "Item %d", item);
ImGui::SetScrollHereX(i * 0.25f); // 0.0f:left, 0.5f:center, 1.0f:right
if (enable_track && item == track_item)
{
ImGui::TextColored(ImVec4(1, 1, 0, 1), "Item %d", item);
ImGui::SetScrollHereX(i * 0.25f); // 0.0f:left, 0.5f:center, 1.0f:right
}
else
{
ImGui::Text("Item %d", item);
}
ImGui::SameLine();
}
else
{
ImGui::Text("Item %d", item);
}
ImGui::SameLine();
}
float scroll_x = ImGui::GetScrollX();
float scroll_max_x = ImGui::GetScrollMaxX();
@ -3027,11 +3118,17 @@ void ImGui::ShowAboutWindow(bool* p_open)
#ifdef IMGUI_DISABLE_WIN32_FUNCTIONS
ImGui::Text("define: IMGUI_DISABLE_WIN32_FUNCTIONS");
#endif
#ifdef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS
ImGui::Text("define: IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS");
#ifdef IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS
ImGui::Text("define: IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS");
#endif
#ifdef IMGUI_DISABLE_MATH_FUNCTIONS
ImGui::Text("define: IMGUI_DISABLE_MATH_FUNCTIONS");
#ifdef IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS
ImGui::Text("define: IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS");
#endif
#ifdef IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS
ImGui::Text("define: IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS");
#endif
#ifdef IMGUI_DISABLE_FILE_FUNCTIONS
ImGui::Text("define: IMGUI_DISABLE_FILE_FUNCTIONS");
#endif
#ifdef IMGUI_DISABLE_DEFAULT_ALLOCATORS
ImGui::Text("define: IMGUI_DISABLE_DEFAULT_ALLOCATORS");
@ -3158,7 +3255,7 @@ void ImGui::ShowFontSelector(const char* label)
HelpMarker(
"- Load additional fonts with io.Fonts->AddFontFromFileTTF().\n"
"- The font atlas is built when calling io.Fonts->GetTexDataAsXXXX() or io.Fonts->Build().\n"
"- Read FAQ and documentation in misc/fonts/ for more details.\n"
"- Read FAQ and docs/FONTS.txt for more details.\n"
"- If you need to add/remove fonts at runtime (e.g. for DPI change), do it before calling NewFrame().");
}
@ -3198,7 +3295,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
if (ImGui::Button("Revert Ref"))
style = *ref;
ImGui::SameLine();
HelpMarker("Save/Revert in local non-persistent storage. Default Colors definition are not affected. Use \"Export Colors\" below to save them somewhere.");
HelpMarker("Save/Revert in local non-persistent storage. Default Colors definition are not affected. Use \"Export\" below to save them somewhere.");
ImGui::Separator();
@ -3246,7 +3343,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
{
static int output_dest = 0;
static bool output_only_modified = true;
if (ImGui::Button("Export Unsaved"))
if (ImGui::Button("Export"))
{
if (output_dest == 0)
ImGui::LogToClipboard();
@ -3286,7 +3383,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
if (memcmp(&style.Colors[i], &ref->Colors[i], sizeof(ImVec4)) != 0)
{
// Tips: in a real user application, you may want to merge and use an icon font into the main font, so instead of "Save"/"Revert" you'd use icons.
// Read the FAQ and misc/fonts/README.txt about using icon fonts. It's really easy and super convenient!
// Read the FAQ and docs/FONTS.txt about using icon fonts. It's really easy and super convenient!
ImGui::SameLine(0.0f, style.ItemInnerSpacing.x); if (ImGui::Button("Save")) ref->Colors[i] = style.Colors[i];
ImGui::SameLine(0.0f, style.ItemInnerSpacing.x); if (ImGui::Button("Revert")) style.Colors[i] = ref->Colors[i];
}
@ -3304,7 +3401,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
{
ImGuiIO& io = ImGui::GetIO();
ImFontAtlas* atlas = io.Fonts;
HelpMarker("Read FAQ and misc/fonts/README.txt for details on font loading.");
HelpMarker("Read FAQ and docs/FONTS.txt for details on font loading.");
ImGui::PushItemWidth(120);
for (int i = 0; i < atlas->Fonts.Size; i++)
{
@ -3324,17 +3421,17 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
ImGui::Text("Fallback character: '%c' (U+%04X)", font->FallbackChar, font->FallbackChar);
ImGui::Text("Ellipsis character: '%c' (U+%04X)", font->EllipsisChar, font->EllipsisChar);
const float surface_sqrt = sqrtf((float)font->MetricsTotalSurface);
ImGui::Text("Texture surface: %d pixels (approx) ~ %dx%d", font->MetricsTotalSurface, (int)surface_sqrt, (int)surface_sqrt);
ImGui::Text("Texture Area: about %d px ~%dx%d px", font->MetricsTotalSurface, (int)surface_sqrt, (int)surface_sqrt);
for (int config_i = 0; config_i < font->ConfigDataCount; config_i++)
if (const ImFontConfig* cfg = &font->ConfigData[config_i])
ImGui::BulletText("Input %d: \'%s\', Oversample: (%d,%d), PixelSnapH: %d", config_i, cfg->Name, cfg->OversampleH, cfg->OversampleV, cfg->PixelSnapH);
if (ImGui::TreeNode("Glyphs", "Glyphs (%d)", font->Glyphs.Size))
{
// Display all glyphs of the fonts in separate pages of 256 characters
for (int base = 0; base < 0x10000; base += 256)
for (unsigned int base = 0; base <= IM_UNICODE_CODEPOINT_MAX; base += 256)
{
int count = 0;
for (int n = 0; n < 256; n++)
for (unsigned int n = 0; n < 256; n++)
count += font->FindGlyphNoFallback((ImWchar)(base + n)) ? 1 : 0;
if (count > 0 && ImGui::TreeNode((void*)(intptr_t)base, "U+%04X..U+%04X (%d %s)", base, base + 255, count, count > 1 ? "glyphs" : "glyph"))
{
@ -3342,7 +3439,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
float cell_spacing = style.ItemSpacing.y;
ImVec2 base_pos = ImGui::GetCursorScreenPos();
ImDrawList* draw_list = ImGui::GetWindowDrawList();
for (int n = 0; n < 256; n++)
for (unsigned int n = 0; n < 256; n++)
{
ImVec2 cell_p1(base_pos.x + (n % 16) * (cell_size + cell_spacing), base_pos.y + (n / 16) * (cell_size + cell_spacing));
ImVec2 cell_p2(cell_p1.x + cell_size, cell_p1.y + cell_size);

48
imgui/imgui_draw.cpp
View File

@ -1,4 +1,4 @@
// dear imgui, v1.73
// dear imgui, v1.74
// (drawing and font code)
/*
@ -1725,7 +1725,8 @@ ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed
int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height)
{
IM_ASSERT(id >= 0x10000);
// Breaking change on 2019/11/21 (1.74): ImFontAtlas::AddCustomRectRegular() now requires an ID >= 0x110000 (instead of >= 0x10000)
IM_ASSERT(id >= 0x110000);
IM_ASSERT(width > 0 && width <= 0xFFFF);
IM_ASSERT(height > 0 && height <= 0xFFFF);
ImFontAtlasCustomRect r;
@ -1752,7 +1753,7 @@ int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int
return CustomRects.Size - 1; // Return index
}
void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max)
void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const
{
IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
@ -1905,7 +1906,7 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
dst_tmp.GlyphsSet.Resize(dst_tmp.GlyphsHighest + 1);
for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
for (int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
{
if (dst_tmp.GlyphsSet.GetBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true)
continue;
@ -2069,7 +2070,7 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1));
ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
const float font_off_x = cfg.GlyphOffset.x;
const float font_off_y = cfg.GlyphOffset.y + (float)(int)(dst_font->Ascent + 0.5f);
const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);
for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
{
@ -2080,7 +2081,7 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX);
float char_off_x = font_off_x;
if (char_advance_x_org != char_advance_x_mod)
char_off_x += cfg.PixelSnapH ? (float)(int)((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f;
char_off_x += cfg.PixelSnapH ? ImFloor((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f;
// Register glyph
stbtt_aligned_quad q;
@ -2189,7 +2190,7 @@ void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
for (int i = 0; i < atlas->CustomRects.Size; i++)
{
const ImFontAtlasCustomRect& r = atlas->CustomRects[i];
if (r.Font == NULL || r.ID > 0x10000)
if (r.Font == NULL || r.ID >= 0x110000)
continue;
IM_ASSERT(r.Font->ContainerAtlas == atlas);
@ -2453,7 +2454,7 @@ void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
text += c_len;
if (c_len == 0)
break;
if (c < 0x10000)
if (c <= IM_UNICODE_CODEPOINT_MAX)
AddChar((ImWchar)c);
}
}
@ -2467,12 +2468,12 @@ void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
{
int max_codepoint = 0x10000;
for (int n = 0; n < max_codepoint; n++)
const int max_codepoint = IM_UNICODE_CODEPOINT_MAX;
for (int n = 0; n <= max_codepoint; n++)
if (GetBit(n))
{
out_ranges->push_back((ImWchar)n);
while (n < max_codepoint - 1 && GetBit(n + 1))
while (n < max_codepoint && GetBit(n + 1))
n++;
out_ranges->push_back((ImWchar)n);
}
@ -2591,7 +2592,7 @@ void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1,
glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX
if (ConfigData->PixelSnapH)
glyph.AdvanceX = (float)(int)(glyph.AdvanceX + 0.5f);
glyph.AdvanceX = IM_ROUND(glyph.AdvanceX);
// Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
DirtyLookupTables = true;
@ -2601,7 +2602,7 @@ void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1,
void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
{
IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
int index_size = IndexLookup.Size;
unsigned int index_size = (unsigned int)IndexLookup.Size;
if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists
return;
@ -2833,8 +2834,8 @@ void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
if (const ImFontGlyph* glyph = FindGlyph(c))
{
float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
pos.x = (float)(int)pos.x + DisplayOffset.x;
pos.y = (float)(int)pos.y + DisplayOffset.y;
pos.x = IM_FLOOR(pos.x + DisplayOffset.x);
pos.y = IM_FLOOR(pos.y + DisplayOffset.y);
draw_list->PrimReserve(6, 4);
draw_list->PrimRectUV(ImVec2(pos.x + glyph->X0 * scale, pos.y + glyph->Y0 * scale), ImVec2(pos.x + glyph->X1 * scale, pos.y + glyph->Y1 * scale), ImVec2(glyph->U0, glyph->V0), ImVec2(glyph->U1, glyph->V1), col);
}
@ -2846,8 +2847,8 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls.
// Align to be pixel perfect
pos.x = (float)(int)pos.x + DisplayOffset.x;
pos.y = (float)(int)pos.y + DisplayOffset.y;
pos.x = IM_FLOOR(pos.x + DisplayOffset.x);
pos.y = IM_FLOOR(pos.y + DisplayOffset.y);
float x = pos.x;
float y = pos.y;
if (y > clip_rect.w)
@ -3020,9 +3021,9 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
x += char_width;
}
// Give back unused vertices
draw_list->VtxBuffer.resize((int)(vtx_write - draw_list->VtxBuffer.Data));
draw_list->IdxBuffer.resize((int)(idx_write - draw_list->IdxBuffer.Data));
// Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action.
draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink()
draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data);
draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
draw_list->_VtxWritePtr = vtx_write;
draw_list->_IdxWritePtr = idx_write;
@ -3201,9 +3202,9 @@ static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, uns
{
const unsigned long ADLER_MOD = 65521;
unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
unsigned long blocklen, i;
unsigned long blocklen = buflen % 5552;
blocklen = buflen % 5552;
unsigned long i;
while (buflen) {
for (i=0; i + 7 < blocklen; i += 8) {
s1 += buffer[0], s2 += s1;
@ -3230,10 +3231,9 @@ static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, uns
static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
{
unsigned int olen;
if (stb__in4(0) != 0x57bC0000) return 0;
if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
olen = stb_decompress_length(i);
const unsigned int olen = stb_decompress_length(i);
stb__barrier_in_b = i;
stb__barrier_out_e = output + olen;
stb__barrier_out_b = output;

321
imgui/imgui_internal.h
View File

@ -1,4 +1,4 @@
// dear imgui, v1.73
// dear imgui, v1.74
// (internal structures/api)
// You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!
@ -31,7 +31,7 @@ Index of this file:
#error Must include imgui.h before imgui_internal.h
#endif
#include <stdio.h> // FILE*
#include <stdio.h> // FILE*, sscanf
#include <stdlib.h> // NULL, malloc, free, qsort, atoi, atof
#include <math.h> // sqrtf, fabsf, fmodf, powf, floorf, ceilf, cosf, sinf
#include <limits.h> // INT_MIN, INT_MAX
@ -60,10 +60,19 @@ Index of this file:
#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
#endif
// Legacy defines
#ifdef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS // Renamed in 1.74
#error Use IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS
#endif
#ifdef IMGUI_DISABLE_MATH_FUNCTIONS // Renamed in 1.74
#error Use IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS
#endif
//-----------------------------------------------------------------------------
// Forward declarations
//-----------------------------------------------------------------------------
struct ImBoolVector; // Store 1-bit per value
struct ImRect; // An axis-aligned rectangle (2 points)
struct ImDrawDataBuilder; // Helper to build a ImDrawData instance
struct ImDrawListSharedData; // Data shared between all ImDrawList instances
@ -86,7 +95,7 @@ struct ImGuiTabBar; // Storage for a tab bar
struct ImGuiTabItem; // Storage for a tab item (within a tab bar)
struct ImGuiWindow; // Storage for one window
struct ImGuiWindowTempData; // Temporary storage for one window (that's the data which in theory we could ditch at the end of the frame)
struct ImGuiWindowSettings; // Storage for window settings stored in .ini file (we keep one of those even if the actual window wasn't instanced during this session)
struct ImGuiWindowSettings; // Storage for a window .ini settings (we keep one of those even if the actual window wasn't instanced during this session)
// Use your programming IDE "Go to definition" facility on the names of the center columns to find the actual flags/enum lists.
typedef int ImGuiLayoutType; // -> enum ImGuiLayoutType_ // Enum: Horizontal or vertical
@ -131,25 +140,48 @@ extern IMGUI_API ImGuiContext* GImGui; // Current implicit context pointer
#endif
//-----------------------------------------------------------------------------
// Generic helpers
// Macros
//-----------------------------------------------------------------------------
#define IM_PI 3.14159265358979323846f
#ifdef _WIN32
#define IM_NEWLINE "\r\n" // Play it nice with Windows users (2018/05 news: Microsoft announced that Notepad will finally display Unix-style carriage returns!)
#else
#define IM_NEWLINE "\n"
#endif
#define IM_TABSIZE (4)
#define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1]
#define IM_F32_TO_INT8_UNBOUND(_VAL) ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f))) // Unsaturated, for display purpose
#define IM_F32_TO_INT8_SAT(_VAL) ((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255
// Debug Logging
#ifndef IMGUI_DEBUG_LOG
#define IMGUI_DEBUG_LOG(_FMT,...) printf("[%05d] " _FMT, GImGui->FrameCount, __VA_ARGS__)
#endif
// Static Asserts
#if (__cplusplus >= 201100)
#define IM_STATIC_ASSERT(_COND) static_assert(_COND, "")
#else
#define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1]
#endif
// "Paranoid" Debug Asserts are meant to only be enabled during specific debugging/work, otherwise would slow down the code too much.
#define IMGUI_DEBUG_PARANOID 0
#if IMGUI_DEBUG_PARANOID
#define IM_ASSERT_PARANOID(_EXPR) IM_ASSERT(_EXPR)
#else
#define IM_ASSERT_PARANOID(_EXPR)
#endif
// Error handling
// Down the line in some frameworks/languages we would like to have a way to redirect those to the programmer and recover from more faults.
#ifndef IM_ASSERT_USER_ERROR
#define IM_ASSERT_USER_ERROR(_EXP,_MSG) IM_ASSERT((_EXP) && (_MSG)) // Recoverable User Error
#endif
// Misc Macros
#define IM_PI 3.14159265358979323846f
#ifdef _WIN32
#define IM_NEWLINE "\r\n" // Play it nice with Windows users (Update: since 2018-05, Notepad finally appears to support Unix-style carriage returns!)
#else
#define IM_NEWLINE "\n"
#endif
#define IM_TABSIZE (4)
#define IM_F32_TO_INT8_UNBOUND(_VAL) ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f))) // Unsaturated, for display purpose
#define IM_F32_TO_INT8_SAT(_VAL) ((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255
#define IM_FLOOR(_VAL) ((float)(int)(_VAL)) // ImFloor() is not inlined in MSVC debug builds
#define IM_ROUND(_VAL) ((float)(int)((_VAL) + 0.5f)) //
// Enforce cdecl calling convention for functions called by the standard library, in case compilation settings changed the default to e.g. __vectorcall
#ifdef _MSC_VER
#define IMGUI_CDECL __cdecl
@ -157,36 +189,34 @@ extern IMGUI_API ImGuiContext* GImGui; // Current implicit context pointer
#define IMGUI_CDECL
#endif
// Helpers: UTF-8 <> wchar
IMGUI_API int ImTextStrToUtf8(char* buf, int buf_size, const ImWchar* in_text, const ImWchar* in_text_end); // return output UTF-8 bytes count
IMGUI_API int ImTextCharFromUtf8(unsigned int* out_char, const char* in_text, const char* in_text_end); // read one character. return input UTF-8 bytes count
IMGUI_API int ImTextStrFromUtf8(ImWchar* buf, int buf_size, const char* in_text, const char* in_text_end, const char** in_remaining = NULL); // return input UTF-8 bytes count
IMGUI_API int ImTextCountCharsFromUtf8(const char* in_text, const char* in_text_end); // return number of UTF-8 code-points (NOT bytes count)
IMGUI_API int ImTextCountUtf8BytesFromChar(const char* in_text, const char* in_text_end); // return number of bytes to express one char in UTF-8
IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end); // return number of bytes to express string in UTF-8
//-----------------------------------------------------------------------------
// Generic helpers
//-----------------------------------------------------------------------------
// - Helpers: Misc
// - Helpers: Bit manipulation
// - Helpers: String, Formatting
// - Helpers: UTF-8 <> wchar conversions
// - Helpers: ImVec2/ImVec4 operators
// - Helpers: Maths
// - Helpers: Geometry
// - Helper: ImBoolVector
// - Helper: ImPool<>
// - Helper: ImChunkStream<>
//-----------------------------------------------------------------------------
// Helpers: Misc
#define ImQsort qsort
IMGUI_API ImU32 ImHashData(const void* data, size_t data_size, ImU32 seed = 0);
IMGUI_API ImU32 ImHashStr(const char* data, size_t data_size = 0, ImU32 seed = 0);
IMGUI_API void* ImFileLoadToMemory(const char* filename, const char* file_open_mode, size_t* out_file_size = NULL, int padding_bytes = 0);
IMGUI_API FILE* ImFileOpen(const char* filename, const char* file_open_mode);
static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; }
static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c == '\t' || c == 0x3000; }
static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; }
static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; }
#define ImQsort qsort
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
static inline ImU32 ImHash(const void* data, int size, ImU32 seed = 0) { return size ? ImHashData(data, (size_t)size, seed) : ImHashStr((const char*)data, 0, seed); } // [moved to ImHashStr/ImHashData in 1.68]
#endif
// Helpers: Geometry
IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p);
IMGUI_API bool ImTriangleContainsPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p);
IMGUI_API ImVec2 ImTriangleClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p);
IMGUI_API void ImTriangleBarycentricCoords(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p, float& out_u, float& out_v, float& out_w);
IMGUI_API ImGuiDir ImGetDirQuadrantFromDelta(float dx, float dy);
// Helpers: Bit manipulation
static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; }
static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; }
// Helpers: String
// Helpers: String, Formatting
IMGUI_API int ImStricmp(const char* str1, const char* str2);
IMGUI_API int ImStrnicmp(const char* str1, const char* str2, size_t count);
IMGUI_API void ImStrncpy(char* dst, const char* src, size_t count);
@ -198,12 +228,23 @@ IMGUI_API const char* ImStreolRange(const char* str, const char* str_end);
IMGUI_API const ImWchar*ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin); // Find beginning-of-line
IMGUI_API const char* ImStristr(const char* haystack, const char* haystack_end, const char* needle, const char* needle_end);
IMGUI_API void ImStrTrimBlanks(char* str);
IMGUI_API const char* ImStrSkipBlank(const char* str);
IMGUI_API int ImFormatString(char* buf, size_t buf_size, const char* fmt, ...) IM_FMTARGS(3);
IMGUI_API int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args) IM_FMTLIST(3);
IMGUI_API const char* ImParseFormatFindStart(const char* format);
IMGUI_API const char* ImParseFormatFindEnd(const char* format);
IMGUI_API const char* ImParseFormatTrimDecorations(const char* format, char* buf, size_t buf_size);
IMGUI_API int ImParseFormatPrecision(const char* format, int default_value);
static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; }
static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c == '\t' || c == 0x3000; }
// Helpers: UTF-8 <> wchar conversions
IMGUI_API int ImTextStrToUtf8(char* buf, int buf_size, const ImWchar* in_text, const ImWchar* in_text_end); // return output UTF-8 bytes count
IMGUI_API int ImTextCharFromUtf8(unsigned int* out_char, const char* in_text, const char* in_text_end); // read one character. return input UTF-8 bytes count
IMGUI_API int ImTextStrFromUtf8(ImWchar* buf, int buf_size, const char* in_text, const char* in_text_end, const char** in_remaining = NULL); // return input UTF-8 bytes count
IMGUI_API int ImTextCountCharsFromUtf8(const char* in_text, const char* in_text_end); // return number of UTF-8 code-points (NOT bytes count)
IMGUI_API int ImTextCountUtf8BytesFromChar(const char* in_text, const char* in_text_end); // return number of bytes to express one char in UTF-8
IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end); // return number of bytes to express string in UTF-8
// Helpers: ImVec2/ImVec4 operators
// We are keeping those disabled by default so they don't leak in user space, to allow user enabling implicit cast operators between ImVec2 and their own types (using IM_VEC2_CLASS_EXTRA etc.)
@ -224,9 +265,35 @@ static inline ImVec4 operator-(const ImVec4& lhs, const ImVec4& rhs)
static inline ImVec4 operator*(const ImVec4& lhs, const ImVec4& rhs) { return ImVec4(lhs.x*rhs.x, lhs.y*rhs.y, lhs.z*rhs.z, lhs.w*rhs.w); }
#endif
// Helpers: File System
#if defined(__EMSCRIPTEN__) && !defined(IMGUI_DISABLE_FILE_FUNCTIONS)
#define IMGUI_DISABLE_FILE_FUNCTIONS
#endif
#ifdef IMGUI_DISABLE_FILE_FUNCTIONS
#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS
typedef void* ImFileHandle;
static inline ImFileHandle ImFileOpen(const char*, const char*) { return NULL; }
static inline bool ImFileClose(ImFileHandle) { return false; }
static inline ImU64 ImFileGetSize(ImFileHandle) { return (ImU64)-1; }
static inline ImU64 ImFileRead(void*, ImU64, ImU64, ImFileHandle) { return 0; }
static inline ImU64 ImFileWrite(const void*, ImU64, ImU64, ImFileHandle) { return 0; }
#endif
#ifndef IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS
typedef FILE* ImFileHandle;
IMGUI_API ImFileHandle ImFileOpen(const char* filename, const char* mode);
IMGUI_API bool ImFileClose(ImFileHandle file);
IMGUI_API ImU64 ImFileGetSize(ImFileHandle file);
IMGUI_API ImU64 ImFileRead(void* data, ImU64 size, ImU64 count, ImFileHandle file);
IMGUI_API ImU64 ImFileWrite(const void* data, ImU64 size, ImU64 count, ImFileHandle file);
#else
#define IMGUI_DISABLE_TTY_FUNCTIONS // Can't use stdout, fflush if we are not using default file functions
#endif
IMGUI_API void* ImFileLoadToMemory(const char* filename, const char* mode, size_t* out_file_size = NULL, int padding_bytes = 0);
// Helpers: Maths
// - Wrapper for standard libs functions. (Note that imgui_demo.cpp does _not_ use them to keep the code easy to copy)
#ifndef IMGUI_DISABLE_MATH_FUNCTIONS
#ifndef IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS
static inline float ImFabs(float x) { return fabsf(x); }
static inline float ImSqrt(float x) { return sqrtf(x); }
static inline float ImPow(float x, float y) { return powf(x, y); }
@ -261,17 +328,25 @@ static inline float ImSaturate(float f)
static inline float ImLengthSqr(const ImVec2& lhs) { return lhs.x*lhs.x + lhs.y*lhs.y; }
static inline float ImLengthSqr(const ImVec4& lhs) { return lhs.x*lhs.x + lhs.y*lhs.y + lhs.z*lhs.z + lhs.w*lhs.w; }
static inline float ImInvLength(const ImVec2& lhs, float fail_value) { float d = lhs.x*lhs.x + lhs.y*lhs.y; if (d > 0.0f) return 1.0f / ImSqrt(d); return fail_value; }
static inline float ImFloor(float f) { return (float)(int)f; }
static inline ImVec2 ImFloor(const ImVec2& v) { return ImVec2((float)(int)v.x, (float)(int)v.y); }
static inline float ImFloor(float f) { return (float)(int)(f); }
static inline ImVec2 ImFloor(const ImVec2& v) { return ImVec2((float)(int)(v.x), (float)(int)(v.y)); }
static inline int ImModPositive(int a, int b) { return (a + b) % b; }
static inline float ImDot(const ImVec2& a, const ImVec2& b) { return a.x * b.x + a.y * b.y; }
static inline ImVec2 ImRotate(const ImVec2& v, float cos_a, float sin_a) { return ImVec2(v.x * cos_a - v.y * sin_a, v.x * sin_a + v.y * cos_a); }
static inline float ImLinearSweep(float current, float target, float speed) { if (current < target) return ImMin(current + speed, target); if (current > target) return ImMax(current - speed, target); return current; }
static inline ImVec2 ImMul(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x * rhs.x, lhs.y * rhs.y); }
// Helper: ImBoolVector. Store 1-bit per value.
// Note that Resize() currently clears the whole vector.
struct ImBoolVector
// Helpers: Geometry
IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p);
IMGUI_API bool ImTriangleContainsPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p);
IMGUI_API ImVec2 ImTriangleClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p);
IMGUI_API void ImTriangleBarycentricCoords(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p, float& out_u, float& out_v, float& out_w);
inline float ImTriangleArea(const ImVec2& a, const ImVec2& b, const ImVec2& c) { return ImFabs((a.x * (b.y - c.y)) + (b.x * (c.y - a.y)) + (c.x * (a.y - b.y))) * 0.5f; }
IMGUI_API ImGuiDir ImGetDirQuadrantFromDelta(float dx, float dy);
// Helper: ImBoolVector
// Store 1-bit per value. Note that Resize() currently clears the whole vector.
struct IMGUI_API ImBoolVector
{
ImVector<int> Storage;
ImBoolVector() { }
@ -281,29 +356,52 @@ struct ImBoolVector
void SetBit(int n, bool v) { int off = (n >> 5); int mask = 1 << (n & 31); if (v) Storage[off] |= mask; else Storage[off] &= ~mask; }
};
// Helper: ImPool<>. Basic keyed storage for contiguous instances, slow/amortized insertion, O(1) indexable, O(Log N) queries by ID over a dense/hot buffer,
// Helper: ImPool<>
// Basic keyed storage for contiguous instances, slow/amortized insertion, O(1) indexable, O(Log N) queries by ID over a dense/hot buffer,
// Honor constructor/destructor. Add/remove invalidate all pointers. Indexes have the same lifetime as the associated object.
typedef int ImPoolIdx;
template<typename T>
struct IMGUI_API ImPool
{
ImVector<T> Data; // Contiguous data
ImVector<T> Buf; // Contiguous data
ImGuiStorage Map; // ID->Index
ImPoolIdx FreeIdx; // Next free idx to use
ImPool() { FreeIdx = 0; }
~ImPool() { Clear(); }
T* GetByKey(ImGuiID key) { int idx = Map.GetInt(key, -1); return (idx != -1) ? &Data[idx] : NULL; }
T* GetByIndex(ImPoolIdx n) { return &Data[n]; }
ImPoolIdx GetIndex(const T* p) const { IM_ASSERT(p >= Data.Data && p < Data.Data + Data.Size); return (ImPoolIdx)(p - Data.Data); }
T* GetOrAddByKey(ImGuiID key) { int* p_idx = Map.GetIntRef(key, -1); if (*p_idx != -1) return &Data[*p_idx]; *p_idx = FreeIdx; return Add(); }
bool Contains(const T* p) const { return (p >= Data.Data && p < Data.Data + Data.Size); }
void Clear() { for (int n = 0; n < Map.Data.Size; n++) { int idx = Map.Data[n].val_i; if (idx != -1) Data[idx].~T(); } Map.Clear(); Data.clear(); FreeIdx = 0; }
T* Add() { int idx = FreeIdx; if (idx == Data.Size) { Data.resize(Data.Size + 1); FreeIdx++; } else { FreeIdx = *(int*)&Data[idx]; } IM_PLACEMENT_NEW(&Data[idx]) T(); return &Data[idx]; }
T* GetByKey(ImGuiID key) { int idx = Map.GetInt(key, -1); return (idx != -1) ? &Buf[idx] : NULL; }
T* GetByIndex(ImPoolIdx n) { return &Buf[n]; }
ImPoolIdx GetIndex(const T* p) const { IM_ASSERT(p >= Buf.Data && p < Buf.Data + Buf.Size); return (ImPoolIdx)(p - Buf.Data); }
T* GetOrAddByKey(ImGuiID key) { int* p_idx = Map.GetIntRef(key, -1); if (*p_idx != -1) return &Buf[*p_idx]; *p_idx = FreeIdx; return Add(); }
bool Contains(const T* p) const { return (p >= Buf.Data && p < Buf.Data + Buf.Size); }
void Clear() { for (int n = 0; n < Map.Data.Size; n++) { int idx = Map.Data[n].val_i; if (idx != -1) Buf[idx].~T(); } Map.Clear(); Buf.clear(); FreeIdx = 0; }
T* Add() { int idx = FreeIdx; if (idx == Buf.Size) { Buf.resize(Buf.Size + 1); FreeIdx++; } else { FreeIdx = *(int*)&Buf[idx]; } IM_PLACEMENT_NEW(&Buf[idx]) T(); return &Buf[idx]; }
void Remove(ImGuiID key, const T* p) { Remove(key, GetIndex(p)); }
void Remove(ImGuiID key, ImPoolIdx idx) { Data[idx].~T(); *(int*)&Data[idx] = FreeIdx; FreeIdx = idx; Map.SetInt(key, -1); }
void Reserve(int capacity) { Data.reserve(capacity); Map.Data.reserve(capacity); }
int GetSize() const { return Data.Size; }
void Remove(ImGuiID key, ImPoolIdx idx) { Buf[idx].~T(); *(int*)&Buf[idx] = FreeIdx; FreeIdx = idx; Map.SetInt(key, -1); }
void Reserve(int capacity) { Buf.reserve(capacity); Map.Data.reserve(capacity); }
int GetSize() const { return Buf.Size; }
};
// Helper: ImChunkStream<>
// Build and iterate a contiguous stream of variable-sized structures.
// This is used by Settings to store persistent data while reducing allocation count.
// We store the chunk size first, and align the final size on 4 bytes boundaries (this what the '(X + 3) & ~3' statement is for)
// The tedious/zealous amount of casting is to avoid -Wcast-align warnings.
template<typename T>
struct IMGUI_API ImChunkStream
{
ImVector<char> Buf;
void clear() { Buf.clear(); }
bool empty() const { return Buf.Size == 0; }
int size() const { return Buf.Size; }
T* alloc_chunk(size_t sz) { size_t HDR_SZ = 4; sz = ((HDR_SZ + sz) + 3u) & ~3u; int off = Buf.Size; Buf.resize(off + (int)sz); ((int*)(void*)(Buf.Data + off))[0] = (int)sz; return (T*)(void*)(Buf.Data + off + (int)HDR_SZ); }
T* begin() { size_t HDR_SZ = 4; if (!Buf.Data) return NULL; return (T*)(void*)(Buf.Data + HDR_SZ); }
T* next_chunk(T* p) { size_t HDR_SZ = 4; IM_ASSERT(p >= begin() && p < end()); p = (T*)(void*)((char*)(void*)p + chunk_size(p)); if (p == (T*)(void*)((char*)end() + HDR_SZ)) return (T*)0; IM_ASSERT(p < end()); return p; }
int chunk_size(const T* p) { return ((const int*)p)[-1]; }
T* end() { return (T*)(void*)(Buf.Data + Buf.Size); }
int offset_from_ptr(const T* p) { IM_ASSERT(p >= begin() && p < end()); const ptrdiff_t off = (const char*)p - Buf.Data; return (int)off; }
T* ptr_from_offset(int off) { IM_ASSERT(off >= 4 && off < Buf.Size); return (T*)(void*)(Buf.Data + off); }
};
//-----------------------------------------------------------------------------
@ -323,7 +421,7 @@ enum ImGuiButtonFlags_
ImGuiButtonFlags_DontClosePopups = 1 << 7, // disable automatically closing parent popup on press // [UNUSED]
ImGuiButtonFlags_Disabled = 1 << 8, // disable interactions
ImGuiButtonFlags_AlignTextBaseLine = 1 << 9, // vertically align button to match text baseline - ButtonEx() only // FIXME: Should be removed and handled by SmallButton(), not possible currently because of DC.CursorPosPrevLine
ImGuiButtonFlags_NoKeyModifiers = 1 << 10, // disable interaction if a key modifier is held
ImGuiButtonFlags_NoKeyModifiers = 1 << 10, // disable mouse interaction if a key modifier is held
ImGuiButtonFlags_NoHoldingActiveID = 1 << 11, // don't set ActiveId while holding the mouse (ImGuiButtonFlags_PressedOnClick only)
ImGuiButtonFlags_PressedOnDragDropHold = 1 << 12, // press when held into while we are drag and dropping another item (used by e.g. tree nodes, collapsing headers)
ImGuiButtonFlags_NoNavFocus = 1 << 13, // don't override navigation focus when activated
@ -383,6 +481,7 @@ enum ImGuiSeparatorFlags_
// This is going to be exposed in imgui.h when stabilized enough.
enum ImGuiItemFlags_
{
ImGuiItemFlags_None = 0,
ImGuiItemFlags_NoTabStop = 1 << 0, // false
ImGuiItemFlags_ButtonRepeat = 1 << 1, // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings.
ImGuiItemFlags_Disabled = 1 << 2, // false // [BETA] Disable interactions but doesn't affect visuals yet. See github.com/ocornut/imgui/issues/211
@ -401,8 +500,9 @@ enum ImGuiItemStatusFlags_
ImGuiItemStatusFlags_HasDisplayRect = 1 << 1,
ImGuiItemStatusFlags_Edited = 1 << 2, // Value exposed by item was edited in the current frame (should match the bool return value of most widgets)
ImGuiItemStatusFlags_ToggledSelection = 1 << 3, // Set when Selectable(), TreeNode() reports toggling a selection. We can't report "Selected" because reporting the change allows us to handle clipping with less issues.
ImGuiItemStatusFlags_HasDeactivated = 1 << 4, // Set if the widget/group is able to provide data for the ImGuiItemStatusFlags_Deactivated flag.
ImGuiItemStatusFlags_Deactivated = 1 << 5 // Only valid if ImGuiItemStatusFlags_HasDeactivated is set.
ImGuiItemStatusFlags_ToggledOpen = 1 << 4, // Set when TreeNode() reports toggling their open state.
ImGuiItemStatusFlags_HasDeactivated = 1 << 5, // Set if the widget/group is able to provide data for the ImGuiItemStatusFlags_Deactivated flag.
ImGuiItemStatusFlags_Deactivated = 1 << 6 // Only valid if ImGuiItemStatusFlags_HasDeactivated is set.
#ifdef IMGUI_ENABLE_TEST_ENGINE
, // [imgui_tests only]
@ -568,7 +668,7 @@ struct IMGUI_API ImRect
void TranslateY(float dy) { Min.y += dy; Max.y += dy; }
void ClipWith(const ImRect& r) { Min = ImMax(Min, r.Min); Max = ImMin(Max, r.Max); } // Simple version, may lead to an inverted rectangle, which is fine for Contains/Overlaps test but not for display.
void ClipWithFull(const ImRect& r) { Min = ImClamp(Min, r.Min, r.Max); Max = ImClamp(Max, r.Min, r.Max); } // Full version, ensure both points are fully clipped.
void Floor() { Min.x = (float)(int)Min.x; Min.y = (float)(int)Min.y; Max.x = (float)(int)Max.x; Max.y = (float)(int)Max.y; }
void Floor() { Min.x = IM_FLOOR(Min.x); Min.y = IM_FLOOR(Min.y); Max.x = IM_FLOOR(Max.x); Max.y = IM_FLOOR(Max.y); }
bool IsInverted() const { return Min.x > Max.x || Min.y > Max.y; }
};
@ -621,7 +721,7 @@ struct IMGUI_API ImGuiMenuColumns
ImGuiMenuColumns();
void Update(int count, float spacing, bool clear);
float DeclColumns(float w0, float w1, float w2);
float CalcExtraSpace(float avail_w);
float CalcExtraSpace(float avail_w) const;
};
// Internal state of the currently focused/edited text input box
@ -659,15 +759,17 @@ struct IMGUI_API ImGuiInputTextState
};
// Windows data saved in imgui.ini file
// Because we never destroy or rename ImGuiWindowSettings, we can store the names in a separate buffer easily.
// (this is designed to be stored in a ImChunkStream buffer, with the variable-length Name following our structure)
struct ImGuiWindowSettings
{
char* Name;
ImGuiID ID;
ImVec2ih Pos;
ImVec2ih Size;
bool Collapsed;
ImGuiWindowSettings() { Name = NULL; ID = 0; Pos = Size = ImVec2ih(0, 0); Collapsed = false; }
ImGuiWindowSettings() { ID = 0; Pos = Size = ImVec2ih(0, 0); Collapsed = false; }
char* GetName() { return (char*)(this + 1); }
};
struct ImGuiSettingsHandler
@ -857,9 +959,7 @@ struct ImGuiPtrOrIndex
struct ImGuiContext
{
bool Initialized;
bool FrameScopeActive; // Set by NewFrame(), cleared by EndFrame()
bool FrameScopePushedImplicitWindow; // Set by NewFrame(), cleared by EndFrame()
bool FontAtlasOwnedByContext; // Io.Fonts-> is owned by the ImGuiContext and will be destructed along with it.
bool FontAtlasOwnedByContext; // IO.Fonts-> is owned by the ImGuiContext and will be destructed along with it.
ImGuiIO IO;
ImGuiStyle Style;
ImFont* Font; // (Shortcut) == FontStack.empty() ? IO.Font : FontStack.back()
@ -870,19 +970,22 @@ struct ImGuiContext
int FrameCount;
int FrameCountEnded;
int FrameCountRendered;
bool WithinFrameScope; // Set by NewFrame(), cleared by EndFrame()
bool WithinFrameScopeWithImplicitWindow; // Set by NewFrame(), cleared by EndFrame() when the implicit debug window has been pushed
bool WithinEndChild; // Set within EndChild()
// Windows state
ImVector<ImGuiWindow*> Windows; // Windows, sorted in display order, back to front
ImVector<ImGuiWindow*> WindowsFocusOrder; // Windows, sorted in focus order, back to front
ImVector<ImGuiWindow*> WindowsSortBuffer;
ImVector<ImGuiWindow*> CurrentWindowStack;
ImGuiStorage WindowsById;
int WindowsActiveCount;
ImGuiWindow* CurrentWindow; // Being drawn into
ImGuiStorage WindowsById; // Map window's ImGuiID to ImGuiWindow*
int WindowsActiveCount; // Number of unique windows submitted by frame
ImGuiWindow* CurrentWindow; // Window being drawn into
ImGuiWindow* HoveredWindow; // Will catch mouse inputs
ImGuiWindow* HoveredRootWindow; // Will catch mouse inputs (for focus/move only)
ImGuiWindow* MovingWindow; // Track the window we clicked on (in order to preserve focus). The actually window that is moved is generally MovingWindow->RootWindow.
ImGuiWindow* WheelingWindow;
ImGuiWindow* WheelingWindow; // Track the window we started mouse-wheeling on. Until a timer elapse or mouse has moved, generally keep scrolling the same window even if during the course of scrolling the mouse ends up hovering a child window.
ImVec2 WheelingWindowRefMousePos;
float WheelingWindowTimer;
@ -900,8 +1003,9 @@ struct ImGuiContext
bool ActiveIdHasBeenPressedBefore; // Track whether the active id led to a press (this is to allow changing between PressOnClick and PressOnRelease without pressing twice). Used by range_select branch.
bool ActiveIdHasBeenEditedBefore; // Was the value associated to the widget Edited over the course of the Active state.
bool ActiveIdHasBeenEditedThisFrame;
int ActiveIdAllowNavDirFlags; // Active widget allows using directional navigation (e.g. can activate a button and move away from it)
int ActiveIdBlockNavInputFlags;
ImU32 ActiveIdUsingNavDirMask; // Active widget will want to read those directional navigation requests (e.g. can activate a button and move away from it)
ImU32 ActiveIdUsingNavInputMask; // Active widget will want to read those nav inputs.
ImU64 ActiveIdUsingKeyInputMask; // Active widget will want to read those key inputs. When we grow the ImGuiKey enum we'll need to either to order the enum to make useful keys come first, either redesign this into e.g. a small array.
ImVec2 ActiveIdClickOffset; // Clicked offset from upper-left corner, if applicable (currently only set by ButtonBehavior)
ImGuiWindow* ActiveIdWindow;
ImGuiInputSource ActiveIdSource; // Activating with mouse or nav (gamepad/keyboard)
@ -909,7 +1013,6 @@ struct ImGuiContext
bool ActiveIdPreviousFrameIsAlive;
bool ActiveIdPreviousFrameHasBeenEditedBefore;
ImGuiWindow* ActiveIdPreviousFrameWindow;
ImGuiID LastActiveId; // Store the last non-zero ActiveId, useful for animation.
float LastActiveIdTimer; // Store the last non-zero ActiveId timer since the beginning of activation, useful for animation.
@ -997,7 +1100,7 @@ struct ImGuiContext
ImGuiID DragDropAcceptIdPrev; // Target item id from previous frame (we need to store this to allow for overlapping drag and drop targets)
int DragDropAcceptFrameCount; // Last time a target expressed a desire to accept the source
ImVector<unsigned char> DragDropPayloadBufHeap; // We don't expose the ImVector<> directly
unsigned char DragDropPayloadBufLocal[8]; // Local buffer for small payloads
unsigned char DragDropPayloadBufLocal[16]; // Local buffer for small payloads
// Tab bars
ImGuiTabBar* CurrentTabBar;
@ -1011,9 +1114,9 @@ struct ImGuiContext
ImFont InputTextPasswordFont;
ImGuiID TempInputTextId; // Temporary text input when CTRL+clicking on a slider, etc.
ImGuiColorEditFlags ColorEditOptions; // Store user options for color edit widgets
float ColorEditLastHue;
float ColorEditLastHue; // Backup of last Hue associated to LastColor[3], so we can restore Hue in lossy RGB<>HSV round trips
float ColorEditLastColor[3];
ImVec4 ColorPickerRef;
ImVec4 ColorPickerRef; // Initial/reference color at the time of opening the color picker.
bool DragCurrentAccumDirty;
float DragCurrentAccum; // Accumulator for dragging modification. Always high-precision, not rounded by end-user precision settings
float DragSpeedDefaultRatio; // If speed == 0.0f, uses (max-min) * DragSpeedDefaultRatio
@ -1030,16 +1133,16 @@ struct ImGuiContext
ImVec2 PlatformImeLastPos;
// Settings
bool SettingsLoaded;
float SettingsDirtyTimer; // Save .ini Settings to memory when time reaches zero
ImGuiTextBuffer SettingsIniData; // In memory .ini settings
ImVector<ImGuiSettingsHandler> SettingsHandlers; // List of .ini settings handlers
ImVector<ImGuiWindowSettings> SettingsWindows; // ImGuiWindow .ini settings entries (parsed from the last loaded .ini file and maintained on saving)
bool SettingsLoaded;
float SettingsDirtyTimer; // Save .ini Settings to memory when time reaches zero
ImGuiTextBuffer SettingsIniData; // In memory .ini settings
ImVector<ImGuiSettingsHandler> SettingsHandlers; // List of .ini settings handlers
ImChunkStream<ImGuiWindowSettings> SettingsWindows; // ImGuiWindow .ini settings entries
// Logging
// Capture/Logging
bool LogEnabled;
ImGuiLogType LogType;
FILE* LogFile; // If != NULL log to stdout/ file
ImFileHandle LogFile; // If != NULL log to stdout/ file
ImGuiTextBuffer LogBuffer; // Accumulation buffer when log to clipboard. This is pointer so our GImGui static constructor doesn't call heap allocators.
float LogLinePosY;
bool LogLineFirstItem;
@ -1063,7 +1166,6 @@ struct ImGuiContext
ImGuiContext(ImFontAtlas* shared_font_atlas) : BackgroundDrawList(&DrawListSharedData), ForegroundDrawList(&DrawListSharedData)
{
Initialized = false;
FrameScopeActive = FrameScopePushedImplicitWindow = false;
Font = NULL;
FontSize = FontBaseSize = 0.0f;
FontAtlasOwnedByContext = shared_font_atlas ? false : true;
@ -1071,6 +1173,7 @@ struct ImGuiContext
Time = 0.0f;
FrameCount = 0;
FrameCountEnded = FrameCountRendered = -1;
WithinFrameScope = WithinFrameScopeWithImplicitWindow = WithinEndChild = false;
WindowsActiveCount = 0;
CurrentWindow = NULL;
@ -1092,17 +1195,16 @@ struct ImGuiContext
ActiveIdHasBeenPressedBefore = false;
ActiveIdHasBeenEditedBefore = false;
ActiveIdHasBeenEditedThisFrame = false;
ActiveIdAllowNavDirFlags = 0x00;
ActiveIdBlockNavInputFlags = 0x00;
ActiveIdUsingNavDirMask = 0x00;
ActiveIdUsingNavInputMask = 0x00;
ActiveIdUsingKeyInputMask = 0x00;
ActiveIdClickOffset = ImVec2(-1,-1);
ActiveIdWindow = NULL;
ActiveIdSource = ImGuiInputSource_None;
ActiveIdPreviousFrame = 0;
ActiveIdPreviousFrameIsAlive = false;
ActiveIdPreviousFrameHasBeenEditedBefore = false;
ActiveIdPreviousFrameWindow = NULL;
LastActiveId = 0;
LastActiveIdTimer = 0.0f;
@ -1333,9 +1435,9 @@ struct IMGUI_API ImGuiWindow
ImRect OuterRectClipped; // == Window->Rect() just after setup in Begin(). == window->Rect() for root window.
ImRect InnerRect; // Inner rectangle (omit title bar, menu bar, scroll bar)
ImRect InnerClipRect; // == InnerRect shrunk by WindowPadding*0.5f on each side, clipped within viewport or parent clip rect.
ImRect WorkRect; // Cover the whole scrolling region, shrunk by WindowPadding*1.0f on each side. This is meant to replace ContentsRegionRect over time (from 1.71+ onward).
ImRect WorkRect; // Cover the whole scrolling region, shrunk by WindowPadding*1.0f on each side. This is meant to replace ContentRegionRect over time (from 1.71+ onward).
ImRect ClipRect; // Current clipping/scissoring rectangle, evolve as we are using PushClipRect(), etc. == DrawList->clip_rect_stack.back().
ImRect ContentsRegionRect; // FIXME: This is currently confusing/misleading. It is essentially WorkRect but not handling of scrolling. We currently rely on it as right/bottom aligned sizing operation need some size to rely on.
ImRect ContentRegionRect; // FIXME: This is currently confusing/misleading. It is essentially WorkRect but not handling of scrolling. We currently rely on it as right/bottom aligned sizing operation need some size to rely on.
int LastFrameActive; // Last frame number the window was Active.
float LastTimeActive; // Last timestamp the window was Active (using float as we don't need high precision there)
@ -1344,7 +1446,7 @@ struct IMGUI_API ImGuiWindow
ImGuiStorage StateStorage;
ImVector<ImGuiColumns> ColumnsStorage;
float FontWindowScale; // User scale multiplier per-window, via SetWindowFontScale()
int SettingsIdx; // Index into SettingsWindow[] (indices are always valid as we only grow the array from the back)
int SettingsOffset; // Offset into SettingsWindows[] (offsets are always valid as we only grow the array from the back)
ImDrawList* DrawList; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer)
ImDrawList DrawListInst;
@ -1410,7 +1512,7 @@ enum ImGuiTabBarFlagsPrivate_
// Extend ImGuiTabItemFlags_
enum ImGuiTabItemFlagsPrivate_
{
ImGuiTabItemFlags_NoCloseButton = 1 << 20 // Store whether p_open is set or not, which we need to recompute WidthContents during layout.
ImGuiTabItemFlags_NoCloseButton = 1 << 20 // Store whether p_open is set or not, which we need to recompute ContentWidth during layout.
};
// Storage for one active tab item (sizeof() 26~32 bytes)
@ -1423,9 +1525,9 @@ struct ImGuiTabItem
int NameOffset; // When Window==NULL, offset to name within parent ImGuiTabBar::TabsNames
float Offset; // Position relative to beginning of tab
float Width; // Width currently displayed
float WidthContents; // Width of actual contents, stored during BeginTabItem() call
float ContentWidth; // Width of actual contents, stored during BeginTabItem() call
ImGuiTabItem() { ID = Flags = 0; LastFrameVisible = LastFrameSelected = -1; NameOffset = -1; Offset = Width = WidthContents = 0.0f; }
ImGuiTabItem() { ID = 0; Flags = 0; LastFrameVisible = LastFrameSelected = -1; NameOffset = -1; Offset = Width = ContentWidth = 0.0f; }
};
// Storage for a tab bar (sizeof() 92~96 bytes)
@ -1539,8 +1641,8 @@ namespace ImGui
IMGUI_API void PushOverrideID(ImGuiID id);
// Basic Helpers for widget code
IMGUI_API void ItemSize(const ImVec2& size, float text_offset_y = 0.0f);
IMGUI_API void ItemSize(const ImRect& bb, float text_offset_y = 0.0f);
IMGUI_API void ItemSize(const ImVec2& size, float text_baseline_y = -1.0f);
IMGUI_API void ItemSize(const ImRect& bb, float text_baseline_y = -1.0f);
IMGUI_API bool ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb = NULL);
IMGUI_API bool ItemHoverable(const ImRect& bb, ImGuiID id);
IMGUI_API bool IsClippedEx(const ImRect& bb, ImGuiID id, bool clip_even_when_logged);
@ -1578,17 +1680,20 @@ namespace ImGui
IMGUI_API void NavMoveRequestTryWrapping(ImGuiWindow* window, ImGuiNavMoveFlags move_flags);
IMGUI_API float GetNavInputAmount(ImGuiNavInput n, ImGuiInputReadMode mode);
IMGUI_API ImVec2 GetNavInputAmount2d(ImGuiNavDirSourceFlags dir_sources, ImGuiInputReadMode mode, float slow_factor = 0.0f, float fast_factor = 0.0f);
IMGUI_API int CalcTypematicPressedRepeatAmount(float t, float t_prev, float repeat_delay, float repeat_rate);
IMGUI_API int CalcTypematicRepeatAmount(float t0, float t1, float repeat_delay, float repeat_rate);
IMGUI_API void ActivateItem(ImGuiID id); // Remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
IMGUI_API void SetNavID(ImGuiID id, int nav_layer);
IMGUI_API void SetNavIDWithRectRel(ImGuiID id, int nav_layer, const ImRect& rect_rel);
// Inputs
// FIXME: Eventually we should aim to move e.g. IsActiveIdUsingKey() into IsKeyXXX functions.
inline bool IsActiveIdUsingNavDir(ImGuiDir dir) { ImGuiContext& g = *GImGui; return (g.ActiveIdUsingNavDirMask & (1 << dir)) != 0; }
inline bool IsActiveIdUsingNavInput(ImGuiNavInput input) { ImGuiContext& g = *GImGui; return (g.ActiveIdUsingNavInputMask & (1 << input)) != 0; }
inline bool IsActiveIdUsingKey(ImGuiKey key) { ImGuiContext& g = *GImGui; IM_ASSERT(key < 64); return (g.ActiveIdUsingKeyInputMask & ((ImU64)1 << key)) != 0; }
IMGUI_API bool IsMouseDragPastThreshold(int button, float lock_threshold = -1.0f);
inline bool IsKeyPressedMap(ImGuiKey key, bool repeat = true) { const int key_index = GImGui->IO.KeyMap[key]; return (key_index >= 0) ? IsKeyPressed(key_index, repeat) : false; }
inline bool IsNavInputDown(ImGuiNavInput n) { return GImGui->IO.NavInputs[n] > 0.0f; }
inline bool IsNavInputPressed(ImGuiNavInput n, ImGuiInputReadMode mode) { return GetNavInputAmount(n, mode) > 0.0f; }
inline bool IsNavInputPressedAnyOfTwo(ImGuiNavInput n1, ImGuiNavInput n2, ImGuiInputReadMode mode) { return (GetNavInputAmount(n1, mode) + GetNavInputAmount(n2, mode)) > 0.0f; }
inline bool IsKeyPressedMap(ImGuiKey key, bool repeat = true) { ImGuiContext& g = *GImGui; const int key_index = g.IO.KeyMap[key]; return (key_index >= 0) ? IsKeyPressed(key_index, repeat) : false; }
inline bool IsNavInputDown(ImGuiNavInput n) { ImGuiContext& g = *GImGui; return g.IO.NavInputs[n] > 0.0f; }
inline bool IsNavInputTest(ImGuiNavInput n, ImGuiInputReadMode rm) { return (GetNavInputAmount(n, rm) > 0.0f); }
// Drag and Drop
IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id);
@ -1641,7 +1746,7 @@ namespace ImGui
IMGUI_API void RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding);
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
// 2019/06/07: Updating prototypes of some of the internal functions. Leaving those for reference for a short while.
// [1.71: 2019/06/07: Updating prototypes of some of the internal functions. Leaving those for reference for a short while]
inline void RenderArrow(ImVec2 pos, ImGuiDir dir, float scale=1.0f) { ImGuiWindow* window = GetCurrentWindow(); RenderArrow(window->DrawList, pos, GetColorU32(ImGuiCol_Text), dir, scale); }
inline void RenderBullet(ImVec2 pos) { ImGuiWindow* window = GetCurrentWindow(); RenderBullet(window->DrawList, pos, GetColorU32(ImGuiCol_Text)); }
#endif
@ -1654,13 +1759,14 @@ namespace ImGui
IMGUI_API bool ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags);
IMGUI_API void Scrollbar(ImGuiAxis axis);
IMGUI_API bool ScrollbarEx(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* p_scroll_v, float avail_v, float contents_v, ImDrawCornerFlags rounding_corners);
IMGUI_API ImGuiID GetScrollbarID(ImGuiWindow* window, ImGuiAxis axis);
IMGUI_API ImGuiID GetWindowScrollbarID(ImGuiWindow* window, ImGuiAxis axis);
IMGUI_API ImGuiID GetWindowResizeID(ImGuiWindow* window, int n); // 0..3: corners, 4..7: borders
IMGUI_API void SeparatorEx(ImGuiSeparatorFlags flags);
// Widgets low-level behaviors
IMGUI_API bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags = 0);
IMGUI_API bool DragBehavior(ImGuiID id, ImGuiDataType data_type, void* v, float v_speed, const void* v_min, const void* v_max, const char* format, float power, ImGuiDragFlags flags);
IMGUI_API bool SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* v, const void* v_min, const void* v_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb);
IMGUI_API bool DragBehavior(ImGuiID id, ImGuiDataType data_type, void* p_v, float v_speed, const void* p_min, const void* p_max, const char* format, float power, ImGuiDragFlags flags);
IMGUI_API bool SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* p_v, const void* p_min, const void* p_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb);
IMGUI_API bool SplitterBehavior(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* size1, float* size2, float min_size1, float min_size2, float hover_extend = 0.0f, float hover_visibility_delay = 0.0f);
IMGUI_API bool TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* label, const char* label_end = NULL);
IMGUI_API bool TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags = 0); // Consume previous SetNextItemOpen() data, if any. May return true when logging
@ -1676,13 +1782,13 @@ namespace ImGui
// Data type helpers
IMGUI_API const ImGuiDataTypeInfo* DataTypeGetInfo(ImGuiDataType data_type);
IMGUI_API int DataTypeFormatString(char* buf, int buf_size, ImGuiDataType data_type, const void* data_ptr, const char* format);
IMGUI_API int DataTypeFormatString(char* buf, int buf_size, ImGuiDataType data_type, const void* p_data, const char* format);
IMGUI_API void DataTypeApplyOp(ImGuiDataType data_type, int op, void* output, void* arg_1, const void* arg_2);
IMGUI_API bool DataTypeApplyOpFromText(const char* buf, const char* initial_value_buf, ImGuiDataType data_type, void* data_ptr, const char* format);
IMGUI_API bool DataTypeApplyOpFromText(const char* buf, const char* initial_value_buf, ImGuiDataType data_type, void* p_data, const char* format);
// InputText
IMGUI_API bool InputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
IMGUI_API bool TempInputTextScalar(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* data_ptr, const char* format);
IMGUI_API bool TempInputTextScalar(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* p_data, const char* format);
inline bool TempInputTextIsActive(ImGuiID id) { ImGuiContext& g = *GImGui; return (g.ActiveId == id && g.TempInputTextId == id); }
// Color
@ -1698,7 +1804,8 @@ namespace ImGui
IMGUI_API void ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp);
// Debug Tools
inline void DebugStartItemPicker() { GImGui->DebugItemPickerActive = true; }
inline void DebugDrawItemRect(ImU32 col = IM_COL32(255,0,0,255)) { ImGuiContext& g = *GImGui; ImGuiWindow* window = g.CurrentWindow; GetForegroundDrawList(window)->AddRect(window->DC.LastItemRect.Min, window->DC.LastItemRect.Max, col); }
inline void DebugStartItemPicker() { ImGuiContext& g = *GImGui; g.DebugItemPickerActive = true; }
} // namespace ImGui

485
imgui/imgui_widgets.cpp
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File diff suppressed because it is too large Load Diff

2
imgui/imstb_textedit.h
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@ -1,4 +1,4 @@
// [DEAR IMGUI]
// [DEAR IMGUI]
// This is a slightly modified version of stb_textedit.h 1.13.
// Those changes would need to be pushed into nothings/stb:
// - Fix in stb_textedit_discard_redo (see https://github.com/nothings/stb/issues/321)

2
imgui/imstb_truetype.h
View File

@ -1,4 +1,4 @@
// [DEAR IMGUI]
// [DEAR IMGUI]
// This is a slightly modified version of stb_truetype.h 1.20.
// Mostly fixing for compiler and static analyzer warnings.
// Grep for [DEAR IMGUI] to find the changes.

4
profiler/src/imgui_freetype.cpp
View File

@ -545,7 +545,7 @@ bool ImFontAtlasBuildWithFreeType(FT_Library ft_library, ImFontAtlas* atlas, uns
const float descent = src_tmp.Font.Info.Descender;
ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
const float font_off_x = cfg.GlyphOffset.x;
const float font_off_y = cfg.GlyphOffset.y + (float)(int)(dst_font->Ascent + 0.5f);
const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);
const int padding = atlas->TexGlyphPadding;
for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
@ -572,7 +572,7 @@ bool ImFontAtlasBuildWithFreeType(FT_Library ft_library, ImFontAtlas* atlas, uns
float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX);
float char_off_x = font_off_x;
if (char_advance_x_org != char_advance_x_mod)
char_off_x += cfg.PixelSnapH ? (float)(int)((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f;
char_off_x += cfg.PixelSnapH ? IM_FLOOR((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f;
// Register glyph
float x0 = info.OffsetX + char_off_x;

14
profiler/src/imgui_impl_glfw.cpp
View File

@ -15,6 +15,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2019-10-18: Misc: Previously installed user callbacks are now restored on shutdown.
// 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter.
// 2019-05-11: Inputs: Don't filter value from character callback before calling AddInputCharacter().
// 2019-03-12: Misc: Preserve DisplayFramebufferScale when main window is minimized.
@ -61,7 +62,8 @@ static GLFWwindow* g_Window = NULL; // Main window
static GlfwClientApi g_ClientApi = GlfwClientApi_Unknown;
static double g_Time = 0.0;
static bool g_MouseJustPressed[5] = { false, false, false, false, false };
static GLFWcursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = { 0 };
static GLFWcursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = {};
static bool g_InstalledCallbacks = false;
// Chain GLFW callbacks: our callbacks will call the user's previously installed callbacks, if any.
static GLFWmousebuttonfun g_PrevUserCallbackMousebutton = NULL;
@ -183,6 +185,7 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
g_PrevUserCallbackChar = NULL;
if (install_callbacks)
{
g_InstalledCallbacks = true;
g_PrevUserCallbackMousebutton = glfwSetMouseButtonCallback(window, ImGui_ImplGlfw_MouseButtonCallback);
g_PrevUserCallbackScroll = glfwSetScrollCallback(window, ImGui_ImplGlfw_ScrollCallback);
g_PrevUserCallbackKey = glfwSetKeyCallback(window, ImGui_ImplGlfw_KeyCallback);
@ -205,6 +208,15 @@ bool ImGui_ImplGlfw_InitForVulkan(GLFWwindow* window, bool install_callbacks)
void ImGui_ImplGlfw_Shutdown()
{
if (g_InstalledCallbacks)
{
glfwSetMouseButtonCallback(g_Window, g_PrevUserCallbackMousebutton);
glfwSetScrollCallback(g_Window, g_PrevUserCallbackScroll);
glfwSetKeyCallback(g_Window, g_PrevUserCallbackKey);
glfwSetCharCallback(g_Window, g_PrevUserCallbackChar);
g_InstalledCallbacks = false;
}
for (ImGuiMouseCursor cursor_n = 0; cursor_n < ImGuiMouseCursor_COUNT; cursor_n++)
{
glfwDestroyCursor(g_MouseCursors[cursor_n]);

57
profiler/src/imgui_impl_opengl3.cpp
View File

@ -4,8 +4,8 @@
// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..)
// Implemented features:
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bits indices.
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bit indices.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
@ -13,6 +13,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2019-10-25: OpenGL: Using a combination of GL define and runtime GL version to decide whether to use glDrawElementsBaseVertex(). Fix building with pre-3.2 GL loaders.
// 2019-09-22: OpenGL: Detect default GL loader using __has_include compiler facility.
// 2019-09-16: OpenGL: Tweak initialization code to allow application calling ImGui_ImplOpenGL3_CreateFontsTexture() before the first NewFrame() call.
// 2019-05-29: OpenGL: Desktop GL only: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag.
@ -77,7 +78,7 @@
#include "TargetConditionals.h"
#endif
// Auto-detect GL version
// Auto-enable GLES on matching platforms
#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3)
#if (defined(__APPLE__) && (TARGET_OS_IOS || TARGET_OS_TV)) || (defined(__ANDROID__))
#define IMGUI_IMPL_OPENGL_ES3 // iOS, Android -> GL ES 3, "#version 300 es"
@ -99,9 +100,9 @@
#include <GLES2/gl2.h>
#elif defined(IMGUI_IMPL_OPENGL_ES3)
#if (defined(__APPLE__) && (TARGET_OS_IOS || TARGET_OS_TV))
#include <OpenGLES/ES3/gl.h> // Use GL ES 3
#include <OpenGLES/ES3/gl.h> // Use GL ES 3
#else
#include <GLES3/gl3.h> // Use GL ES 3
#include <GLES3/gl3.h> // Use GL ES 3
#endif
#else
// About Desktop OpenGL function loaders:
@ -119,15 +120,16 @@
#endif
#endif
// Desktop GL has glDrawElementsBaseVertex() which GL ES and WebGL don't have.
#if defined(IMGUI_IMPL_OPENGL_ES2) || defined(IMGUI_IMPL_OPENGL_ES3)
#define IMGUI_IMPL_OPENGL_HAS_DRAW_WITH_BASE_VERTEX 0
// Desktop GL 3.2+ has glDrawElementsBaseVertex() which GL ES and WebGL don't have.
#if defined(IMGUI_IMPL_OPENGL_ES2) || defined(IMGUI_IMPL_OPENGL_ES3) || !defined(GL_VERSION_3_2)
#define IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET 0
#else
#define IMGUI_IMPL_OPENGL_HAS_DRAW_WITH_BASE_VERTEX 1
#define IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET 1
#endif
// OpenGL Data
static char g_GlslVersionString[32] = "";
static GLuint g_GlVersion = 0; // Extracted at runtime using GL_MAJOR_VERSION, GL_MINOR_VERSION queries.
static char g_GlslVersionString[32] = ""; // Specified by user or detected based on compile time GL settings.
static GLuint g_FontTexture = 0;
static GLuint g_ShaderHandle = 0, g_VertHandle = 0, g_FragHandle = 0;
static int g_AttribLocationTex = 0, g_AttribLocationProjMtx = 0; // Uniforms location
@ -137,14 +139,26 @@ static unsigned int g_VboHandle = 0, g_ElementsHandle = 0;
// Functions
bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
{
// Query for GL version
#if !defined(IMGUI_IMPL_OPENGL_ES2)
GLint major, minor;
glGetIntegerv(GL_MAJOR_VERSION, &major);
glGetIntegerv(GL_MINOR_VERSION, &minor);
g_GlVersion = major * 1000 + minor;
#else
g_GlVersion = 2000; // GLES 2
#endif
// Setup back-end capabilities flags
ImGuiIO& io = ImGui::GetIO();
io.BackendRendererName = "imgui_impl_opengl3";
#if IMGUI_IMPL_OPENGL_HAS_DRAW_WITH_BASE_VERTEX
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
#if IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET
if (g_GlVersion >= 3200)
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
#endif
// Store GLSL version string so we can refer to it later in case we recreate shaders. Note: GLSL version is NOT the same as GL version. Leave this to NULL if unsure.
// Store GLSL version string so we can refer to it later in case we recreate shaders.
// Note: GLSL version is NOT the same as GL version. Leave this to NULL if unsure.
#if defined(IMGUI_IMPL_OPENGL_ES2)
if (glsl_version == NULL)
glsl_version = "#version 100";
@ -159,9 +173,9 @@ bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
strcpy(g_GlslVersionString, glsl_version);
strcat(g_GlslVersionString, "\n");
// Dummy construct to make it easily visible in the IDE and debugger which GL loader has been selected.
// Dummy construct to make it easily visible in the IDE and debugger which GL loader has been selected.
// The code actually never uses the 'gl_loader' variable! It is only here so you can read it!
// If auto-detection fails or doesn't select the same GL loader file as used by your application,
// If auto-detection fails or doesn't select the same GL loader file as used by your application,
// you are likely to get a crash below.
// You can explicitly select a loader by using '#define IMGUI_IMPL_OPENGL_LOADER_XXX' in imconfig.h or compiler command-line.
const char* gl_loader = "Unknown";
@ -172,7 +186,7 @@ bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
gl_loader = "GLEW";
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
gl_loader = "GLAD";
#else IMGUI_IMPL_OPENGL_LOADER_CUSTOM
#else // IMGUI_IMPL_OPENGL_LOADER_CUSTOM
gl_loader = "Custom";
#endif
@ -344,11 +358,12 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
// Bind texture, Draw
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId);
#if IMGUI_IMPL_OPENGL_HAS_DRAW_WITH_BASE_VERTEX
glDrawElementsBaseVertex(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx)), (GLint)pcmd->VtxOffset);
#else
glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx)));
#if IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET
if (g_GlVersion >= 3200)
glDrawElementsBaseVertex(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx)), (GLint)pcmd->VtxOffset);
else
#endif
glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx)));
}
}
}
@ -389,7 +404,7 @@ bool ImGui_ImplOpenGL3_CreateFontsTexture()
ImGuiIO& io = ImGui::GetIO();
unsigned char* pixels;
int width, height;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bits (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory.
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bit (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory.
// Upload texture to graphics system
GLint last_texture;

8
profiler/src/imgui_impl_opengl3.h
View File

@ -4,8 +4,8 @@
// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..)
// Implemented features:
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bits indices.
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bit indices.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
@ -40,8 +40,8 @@ IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyDeviceObjects();
//#define IMGUI_IMPL_OPENGL_ES3 // Auto-detected on iOS/Android
// Desktop OpenGL: attempt to detect default GL loader based on available header files.
// If auto-detection fails or doesn't select the same GL loader file as used by your application,
// you are likely to get a crash in ImGui_ImplOpenGL3_Init().
// If auto-detection fails or doesn't select the same GL loader file as used by your application,
// you are likely to get a crash in ImGui_ImplOpenGL3_Init().
// You can explicitly select a loader by using '#define IMGUI_IMPL_OPENGL_LOADER_XXX' in imconfig.h or compiler command-line.
#if !defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) \
&& !defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) \