mirror of
https://github.com/glfw/glfw.git
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tests: Add tests for IME features
Co-authored-by: Takuro Ashie <ashie@clear-code.com>
This commit is contained in:
Daijiro Fukuda
Takuro Ashie
parent
12d72f5e1c
commit
2a7ab5b1a9
@ -32,6 +32,7 @@ add_executable(cursor cursor.c ${GLAD_GL})
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add_executable(empty WIN32 MACOSX_BUNDLE empty.c ${TINYCTHREAD} ${GLAD_GL})
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add_executable(gamma WIN32 MACOSX_BUNDLE gamma.c ${GLAD_GL})
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add_executable(icon WIN32 MACOSX_BUNDLE icon.c ${GLAD_GL})
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add_executable(input_text WIN32 MACOSX_BUNDLE input_text.c ${GETOPT} ${GLAD_GL})
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add_executable(inputlag WIN32 MACOSX_BUNDLE inputlag.c ${GETOPT} ${GLAD_GL})
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add_executable(joysticks WIN32 MACOSX_BUNDLE joysticks.c ${GLAD_GL})
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add_executable(tearing WIN32 MACOSX_BUNDLE tearing.c ${GLAD_GL})
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@ -48,8 +49,16 @@ if (RT_LIBRARY)
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target_link_libraries(threads "${RT_LIBRARY}")
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endif()
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set(GUI_ONLY_BINARIES empty gamma icon inputlag joysticks tearing threads
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timeout title triangle-vulkan window)
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if (GLFW_BUILD_X11 OR GLFW_BUILD_WAYLAND)
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find_package(Fontconfig)
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if (FONTCONFIG_FOUND)
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target_compile_definitions(input_text PRIVATE FONTCONFIG_ENABLED)
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target_link_libraries(input_text fontconfig)
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endif()
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endif()
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set(GUI_ONLY_BINARIES empty gamma icon input_text inputlag joysticks tearing
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threads timeout title triangle-vulkan window)
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set(CONSOLE_BINARIES allocator clipboard events msaa glfwinfo iconify monitors
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reopen cursor)
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@ -70,6 +79,7 @@ endif()
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if (APPLE)
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set_target_properties(empty PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Empty Event")
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set_target_properties(gamma PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Gamma")
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set_target_properties(input_text PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Input Text")
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set_target_properties(inputlag PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Input Lag")
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set_target_properties(joysticks PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Joysticks")
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set_target_properties(tearing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Tearing")
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@ -464,6 +464,59 @@ static void char_callback(GLFWwindow* window, unsigned int codepoint)
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counter++, slot->number, glfwGetTime(), codepoint, string);
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}
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static void preedit_callback(GLFWwindow* window, int preeditCount,
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unsigned int* preeditString, int blockCount,
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int* blockSizes, int focusedBlock, int caret)
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{
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Slot* slot = glfwGetWindowUserPointer(window);
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int i, blockIndex = -1, remainingBlockSize = 0;
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int width, height;
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char encoded[5] = "";
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size_t encodedCount = 0;
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printf("%08x to %i at %0.3f: Preedit text ",
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counter++, slot->number, glfwGetTime());
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if (preeditCount == 0 || blockCount == 0)
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{
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printf("(empty)\n");
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}
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else
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{
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for (i = 0; i < preeditCount; i++)
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{
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if (remainingBlockSize == 0)
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{
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if (blockIndex == focusedBlock)
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printf("]");
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blockIndex++;
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remainingBlockSize = blockSizes[blockIndex];
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printf("\n block %d: ", blockIndex);
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if (blockIndex == focusedBlock)
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printf("[");
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}
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if (i == caret)
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printf("|");
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encodedCount = encode_utf8(encoded, preeditString[i]);
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encoded[encodedCount] = '\0';
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printf("%s", encoded);
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remainingBlockSize--;
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}
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if (blockIndex == focusedBlock)
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printf("]");
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if (caret == preeditCount)
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printf("|");
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printf("\n");
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glfwGetWindowSize(window, &width, &height);
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glfwSetPreeditCursorRectangle(window, width/2, height/2, 1, 20);
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}
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}
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static void ime_callback(GLFWwindow* window)
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{
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Slot* slot = glfwGetWindowUserPointer(window);
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printf("%08x to %i at %0.3f: IME switched\n",
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counter++, slot->number, glfwGetTime());
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}
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static void drop_callback(GLFWwindow* window, int count, const char* paths[])
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{
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int i;
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@ -649,6 +702,8 @@ int main(int argc, char** argv)
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glfwSetScrollCallback(slots[i].window, scroll_callback);
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glfwSetKeyCallback(slots[i].window, key_callback);
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glfwSetCharCallback(slots[i].window, char_callback);
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glfwSetPreeditCallback(slots[i].window, preedit_callback);
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glfwSetIMEStatusCallback(slots[i].window, ime_callback);
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glfwSetDropCallback(slots[i].window, drop_callback);
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glfwMakeContextCurrent(slots[i].window);
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781
tests/input_text.c
Normal file
781
tests/input_text.c
Normal file
@ -0,0 +1,781 @@
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//========================================================================
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// Input Test
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// Copyright (c) Camilla Löwy <elmindreda@glfw.org>
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// Copyright (c) Daijiro Fukuda <fukuda@clear-code.com>
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// Copyright (c) Takuro Ashie <ashie@clear-code.com>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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//
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// For font handiling, I reffered to https://github.com/Immediate-Mode-UI/Nuklear/wiki/Complete-font-guide.
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// For nuklear handling, I reffered to tests/window.c.
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//
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// Currently, it is made for Japanese input only.
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// You have to select the correct font to display Japanese texts.
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// To handle other languages, you need to add correct ranges to nk_font_config.
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//
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// On X11 or Wayland, you can choose a font by GUI if "fontconfig" libarary is enabled.
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//
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// On Win32, "Yu Mincho" is selected by default if it is installed. This font is
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// included in the FOD packages, so it will be installed automatically when you
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// enable Japanese input on your environment, or you can install it by
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// "Manage optional features" in "Apps & features".
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// Refer: https://learn.microsoft.com/en-us/typography/fonts/windows_10_font_list#japanese-supplemental-fonts
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//
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// On macOS, "Arial Unicode MS" is selected by default if it is installed.
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// I assume that this font is usually installed, but if it is not installed,
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// please install it manually.
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//
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// You can also specify a TTF filepath and use your own favorite font by setting
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// TTF_FONT_FILEPATH below.
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//
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//========================================================================
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// Please comment out and set font filepath here to change default font
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// #define TTF_FONT_FILEPATH ""
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#define GLAD_GL_IMPLEMENTATION
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#include <glad/gl.h>
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#define GLFW_INCLUDE_NONE
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#include <GLFW/glfw3.h>
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#include <stdarg.h>
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#define NK_IMPLEMENTATION
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#define NK_INCLUDE_STANDARD_IO
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#define NK_KEYSTATE_BASED_INPUT
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#define NK_INCLUDE_FIXED_TYPES
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#define NK_INCLUDE_FONT_BAKING
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#define NK_INCLUDE_DEFAULT_FONT
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#define NK_INCLUDE_DEFAULT_ALLOCATOR
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#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
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#define NK_INCLUDE_STANDARD_VARARGS
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#define NK_BUTTON_TRIGGER_ON_RELEASE
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// To increase the number of characters that can be entered at one time
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#define NK_INPUT_MAX 64
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#include <nuklear.h>
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#define NK_GLFW_GL2_IMPLEMENTATION
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#include <nuklear_glfw_gl2.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include "getopt.h"
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#if defined(FONTCONFIG_ENABLED)
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#include <fontconfig/fontconfig.h>
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#endif
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#define MAX_BUFFER_LEN 1024
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// https://github.com/Immediate-Mode-UI/Nuklear/wiki/Complete-font-guide
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// https://unicode-table.com
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// To handle other languages, you need to fix these ranges.
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static nk_rune rangesJapan[] = {
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0x0020, 0x007E, // Basic Latin
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0x2000, 0x206F, // General Punctuation
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0x3000, 0x303F, // CJK Symbols and Punctuation
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0x3041, 0x309F, // Hiragana
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0x30A0, 0x30FF, // Katakana
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0x4E00, 0x9FFF, // All Kanji
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0xFF01, 0xFFEF, // Halfwidth and Fullwidth Forms
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0
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};
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#define MAX_FONTS_LEN 512
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#define MAX_FONT_FAMILY_NAME_LEN 128
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#define MAX_FONT_FILEPATH_LEN 256
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static struct nk_font* currentFont;
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static char** fontFamilyNames;
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static char** fontFilePaths;
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static int fontNum = 0;
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static int currentFontIndex = 0;
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static int currentIMEStatus = GLFW_FALSE;
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#define MAX_PREEDIT_LEN 128
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static char preeditBuf[MAX_PREEDIT_LEN] = "";
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void usage(void)
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{
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printf("Usage: input_text [-h] [-s]\n");
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printf("Options:\n");
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printf(" -s Use on-the-spot sytle on X11. This is ignored on other platforms.\n");
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printf(" -h Show this help\n");
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}
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static size_t encode_utf8(char* s, unsigned int ch)
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{
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size_t count = 0;
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if (ch < 0x80)
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s[count++] = (char) ch;
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else if (ch < 0x800)
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{
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s[count++] = (ch >> 6) | 0xc0;
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s[count++] = (ch & 0x3f) | 0x80;
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}
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else if (ch < 0x10000)
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{
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s[count++] = (ch >> 12) | 0xe0;
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s[count++] = ((ch >> 6) & 0x3f) | 0x80;
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s[count++] = (ch & 0x3f) | 0x80;
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}
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else if (ch < 0x110000)
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{
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s[count++] = (ch >> 18) | 0xf0;
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s[count++] = ((ch >> 12) & 0x3f) | 0x80;
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s[count++] = ((ch >> 6) & 0x3f) | 0x80;
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s[count++] = (ch & 0x3f) | 0x80;
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}
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return count;
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}
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static int add_font(const char* familyName, const char* ttfFilePath, int checkExistence)
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{
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if (MAX_FONTS_LEN <= fontNum)
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return GLFW_FALSE;
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if (MAX_FONT_FAMILY_NAME_LEN <= strlen(familyName) || MAX_FONT_FILEPATH_LEN <= strlen(ttfFilePath))
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return GLFW_FALSE;
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if (checkExistence)
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{
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FILE* fp = fopen(ttfFilePath, "rb");
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if (!fp)
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return GLFW_FALSE;
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fclose(fp);
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}
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fontFamilyNames[fontNum] = (char*) malloc(1 + strlen(familyName));
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assert(fontFamilyNames[fontNum]);
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strcpy(fontFamilyNames[fontNum], familyName);
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fontFilePaths[fontNum] = (char*) malloc(1 + strlen(ttfFilePath));
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assert(fontFilePaths[fontNum]);
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strcpy(fontFilePaths[fontNum], ttfFilePath);
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fontNum++;
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return GLFW_TRUE;
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}
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static int replace_font(int index, const char* familyName, const char* ttfFilePath, int checkExistence)
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{
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if (index == 0 || fontNum <= index)
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return GLFW_FALSE;
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if (MAX_FONT_FAMILY_NAME_LEN <= strlen(familyName) || MAX_FONT_FILEPATH_LEN <= strlen(ttfFilePath))
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return GLFW_FALSE;
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if (checkExistence)
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{
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FILE* fp = fopen(ttfFilePath, "rb");
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if (!fp)
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return GLFW_FALSE;
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fclose(fp);
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}
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free(fontFamilyNames[index]);
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free(fontFilePaths[index]);
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fontFamilyNames[index] = (char*) malloc(1 + strlen(familyName));
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assert(fontFamilyNames[index]);
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strcpy(fontFamilyNames[index], familyName);
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fontFilePaths[index] = (char*) malloc(1 + strlen(ttfFilePath));
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assert(fontFilePaths[index]);
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strcpy(fontFilePaths[index], ttfFilePath);
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return GLFW_TRUE;
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}
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#if defined(TTF_FONT_FILEPATH)
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static int load_custom_font()
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{
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if (MAX_FONTS_LEN <= fontNum)
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return GLFW_FALSE;
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if (!(TTF_FONT_FILEPATH && *TTF_FONT_FILEPATH))
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return GLFW_FALSE;
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return add_font("Custom", TTF_FONT_FILEPATH, GLFW_TRUE);
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}
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#endif
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#if defined(FONTCONFIG_ENABLED)
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static void load_font_list_by_fontconfig()
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{
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FcConfig* config = FcInitLoadConfigAndFonts();
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FcFontSet* fontset = FcConfigGetFonts(config, FcSetSystem);
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if (!fontset)
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{
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printf("load_font_list_by_fontconfig failed.\n");
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FcConfigDestroy(config);
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return;
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}
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for (int i = 0; i < fontset->nfont; i++)
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{
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FcValue fvalue, dvalue;
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if (FcResultMatch == FcPatternGet(fontset->fonts[i], FC_FAMILY, 0, &fvalue))
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{
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if (FcResultMatch == FcPatternGet(fontset->fonts[i], FC_FILE, 0, &dvalue))
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{
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const char* familyName = (const char*) fvalue.u.s;
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const char* filePath = (const char*) dvalue.u.s;
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int existsFamily = GLFW_FALSE;
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int existingIndex = 0;
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if (!strstr(filePath, ".ttf"))
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{
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continue;
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}
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for (int j = 1; j < fontNum; ++j)
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{
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if (strcmp(fontFamilyNames[j], familyName) == 0)
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{
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existsFamily = GLFW_TRUE;
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existingIndex = j;
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break;
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}
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}
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if (existsFamily)
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{
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// Prefer "regular" to the others.
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if (strstr(filePath, "regular") || strstr(filePath, "Regular"))
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replace_font(existingIndex, familyName, filePath, GLFW_FALSE);
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}
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else
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add_font(familyName, filePath, GLFW_FALSE);
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if (MAX_FONTS_LEN <= fontNum)
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{
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printf("MAX_FONTS_LEN reached. Could not load some fonts.\n");
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break;
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}
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}
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}
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}
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FcConfigDestroy(config);
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}
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#endif
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static void load_default_font_for_each_platform()
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{
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int hasSucceeded = GLFW_FALSE;
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if (MAX_FONTS_LEN <= fontNum)
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return;
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if (glfwGetPlatform() == GLFW_PLATFORM_COCOA)
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hasSucceeded = add_font("Arial Unicode MS", "/Library/Fonts/Arial Unicode.ttf", GLFW_TRUE);
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else if(glfwGetPlatform() == GLFW_PLATFORM_WIN32)
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{
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// Use "Yu Mincho" since it is the only TTF for Japanese in the FOD packages on Windows10 and Windows11.
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// https://learn.microsoft.com/en-us/typography/fonts/windows_10_font_list#japanese-supplemental-fonts
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char filepath[MAX_FONT_FILEPATH_LEN];
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char* winDir = getenv("systemroot");
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if (winDir)
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snprintf(filepath, MAX_FONT_FILEPATH_LEN, "%s\\Fonts\\Yumin.ttf", winDir);
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else
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strcpy(filepath, "C:\\Windows\\Fonts\\Yumin.ttf");
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hasSucceeded = add_font("Yu Mincho Regular", filepath, GLFW_TRUE);
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}
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if (hasSucceeded)
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currentFontIndex = fontNum - 1;
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}
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static void init_font_list()
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{
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int useCustomFont = GLFW_FALSE;
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int customFontIndex = 0;
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fontFamilyNames = (char**) malloc(sizeof(char*) * MAX_FONTS_LEN);
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assert(fontFamilyNames);
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fontFilePaths = (char**) malloc(sizeof(char*) * MAX_FONTS_LEN);
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assert(fontFilePaths);
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fontFamilyNames[0] = "GLFW default";
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fontFilePaths[0] = "";
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fontNum++;
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#if defined(TTF_FONT_FILEPATH)
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useCustomFont = load_custom_font();
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if (useCustomFont)
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customFontIndex = fontNum - 1;
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#endif
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load_default_font_for_each_platform();
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#if defined(FONTCONFIG_ENABLED)
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load_font_list_by_fontconfig();
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#endif
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if (useCustomFont)
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currentFontIndex = customFontIndex;
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}
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|
||||
static void deinit_font_list()
|
||||
{
|
||||
for (int i = 1; i < fontNum; ++i)
|
||||
{
|
||||
free(fontFamilyNames[i]);
|
||||
free(fontFilePaths[i]);
|
||||
}
|
||||
|
||||
free(fontFamilyNames);
|
||||
free(fontFilePaths);
|
||||
}
|
||||
|
||||
// https://github.com/Immediate-Mode-UI/Nuklear/wiki/Complete-font-guide
|
||||
static void update_font(struct nk_context* nk, float height)
|
||||
{
|
||||
struct nk_font_atlas* atlas;
|
||||
|
||||
nk_glfw3_font_stash_begin(&atlas);
|
||||
|
||||
if (currentFontIndex == 0)
|
||||
{
|
||||
currentFont = nk_font_atlas_add_default(atlas, height, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
struct nk_font* new_font;
|
||||
struct nk_font_config cfg;
|
||||
cfg = nk_font_config(0);
|
||||
cfg.range = rangesJapan;
|
||||
cfg.oversample_h = 1;
|
||||
cfg.oversample_v = 1;
|
||||
cfg.pixel_snap = true;
|
||||
|
||||
new_font = nk_font_atlas_add_from_file(atlas, fontFilePaths[currentFontIndex], height, &cfg);
|
||||
if (new_font)
|
||||
{
|
||||
currentFont = new_font;
|
||||
printf("Succeeded to load font file: %s\n", fontFilePaths[currentFontIndex]);
|
||||
}
|
||||
else
|
||||
printf("Failed to load font file: %s\n", fontFilePaths[currentFontIndex]);
|
||||
}
|
||||
|
||||
nk_glfw3_font_stash_end();
|
||||
nk_style_set_font(nk, ¤tFont->handle);
|
||||
}
|
||||
|
||||
static void set_menu_buttons(GLFWwindow* window, struct nk_context* nk, int height)
|
||||
{
|
||||
static int windowedX, windowedY, windowedWidth, windowedHeight;
|
||||
|
||||
nk_layout_row_dynamic(nk, height, 2);
|
||||
if (nk_button_label(nk, "Toggle Fullscreen"))
|
||||
{
|
||||
if (glfwGetWindowMonitor(window))
|
||||
{
|
||||
glfwSetWindowMonitor(window, NULL,
|
||||
windowedX, windowedY,
|
||||
windowedWidth, windowedHeight, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
GLFWmonitor* monitor = glfwGetPrimaryMonitor();
|
||||
const GLFWvidmode* mode = glfwGetVideoMode(monitor);
|
||||
glfwGetWindowPos(window, &windowedX, &windowedY);
|
||||
glfwGetWindowSize(window, &windowedWidth, &windowedHeight);
|
||||
glfwSetWindowMonitor(window, monitor,
|
||||
0, 0, mode->width, mode->height,
|
||||
mode->refreshRate);
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
int auto_iconify = glfwGetWindowAttrib(window, GLFW_AUTO_ICONIFY);
|
||||
if (nk_checkbox_label(nk, "Auto Iconify", &auto_iconify))
|
||||
glfwSetWindowAttrib(window, GLFW_AUTO_ICONIFY, auto_iconify);
|
||||
}
|
||||
}
|
||||
|
||||
static int set_font_selecter(GLFWwindow* window, struct nk_context* nk, int height, int fontHeight)
|
||||
{
|
||||
int newSelectedIndex;
|
||||
|
||||
nk_layout_row_begin(nk, NK_DYNAMIC, height, 2);
|
||||
|
||||
nk_layout_row_push(nk, 1.f / 3.f);
|
||||
nk_label(nk, "Font", NK_TEXT_LEFT);
|
||||
|
||||
nk_layout_row_push(nk, 2.f / 3.f);
|
||||
newSelectedIndex = nk_combo(nk, (const char**) fontFamilyNames, fontNum, currentFontIndex, fontHeight, nk_vec2(300, 400));
|
||||
|
||||
nk_layout_row_end(nk);
|
||||
|
||||
if (newSelectedIndex == currentFontIndex)
|
||||
return GLFW_FALSE;
|
||||
|
||||
currentFontIndex = newSelectedIndex;
|
||||
return GLFW_TRUE;
|
||||
}
|
||||
|
||||
static void set_ime_buttons(GLFWwindow* window, struct nk_context* nk, int height)
|
||||
{
|
||||
nk_layout_row_dynamic(nk, height, 2);
|
||||
|
||||
if (nk_button_label(nk, "Toggle IME status"))
|
||||
{
|
||||
glfwSetInputMode(window, GLFW_IME, !currentIMEStatus);
|
||||
}
|
||||
|
||||
if (nk_button_label(nk, "Reset preedit text"))
|
||||
{
|
||||
glfwResetPreeditText(window);
|
||||
}
|
||||
}
|
||||
|
||||
static void set_preedit_cursor_edit(GLFWwindow* window, struct nk_context* nk, int height, int* isAutoUpdating)
|
||||
{
|
||||
static int lastX = -1, lastY = -1, lastW = -1, lastH = -1;
|
||||
static char xBuf[12] = "", yBuf[12] = "", wBuf[12] = "", hBuf[12] = "";
|
||||
|
||||
const nk_flags flags = NK_EDIT_FIELD |
|
||||
NK_EDIT_SIG_ENTER |
|
||||
NK_EDIT_GOTO_END_ON_ACTIVATE;
|
||||
nk_flags events;
|
||||
int x, y, w, h;
|
||||
|
||||
glfwGetPreeditCursorRectangle(window, &x, &y, &w, &h);
|
||||
|
||||
if (x != lastX)
|
||||
sprintf(xBuf, "%i", x);
|
||||
if (y != lastY)
|
||||
sprintf(yBuf, "%i", y);
|
||||
if (w != lastW)
|
||||
sprintf(wBuf, "%i", w);
|
||||
if (h != lastH)
|
||||
sprintf(hBuf, "%i", h);
|
||||
|
||||
nk_layout_row_begin(nk, NK_DYNAMIC, height, 5);
|
||||
|
||||
nk_layout_row_push(nk, 4.f / 9.f);
|
||||
nk_label(nk, "Preedit cursor (x,y,w,h)", NK_TEXT_LEFT);
|
||||
|
||||
nk_layout_row_push(nk, 1.f / 9.f);
|
||||
events = nk_edit_string_zero_terminated(nk, flags, xBuf,
|
||||
sizeof(xBuf),
|
||||
nk_filter_decimal);
|
||||
if (events & NK_EDIT_COMMITED)
|
||||
{
|
||||
x = atoi(xBuf);
|
||||
*isAutoUpdating = GLFW_FALSE;
|
||||
glfwSetPreeditCursorRectangle(window, x, y, w, h);
|
||||
}
|
||||
else if (events & NK_EDIT_DEACTIVATED)
|
||||
sprintf(xBuf, "%i", x);
|
||||
|
||||
nk_layout_row_push(nk, 1.f / 9.f);
|
||||
events = nk_edit_string_zero_terminated(nk, flags, yBuf,
|
||||
sizeof(yBuf),
|
||||
nk_filter_decimal);
|
||||
if (events & NK_EDIT_COMMITED)
|
||||
{
|
||||
y = atoi(yBuf);
|
||||
*isAutoUpdating = GLFW_FALSE;
|
||||
glfwSetPreeditCursorRectangle(window, x, y, w, h);
|
||||
}
|
||||
else if (events & NK_EDIT_DEACTIVATED)
|
||||
sprintf(yBuf, "%i", y);
|
||||
|
||||
nk_layout_row_push(nk, 1.f / 9.f);
|
||||
events = nk_edit_string_zero_terminated(nk, flags, wBuf,
|
||||
sizeof(wBuf),
|
||||
nk_filter_decimal);
|
||||
if (events & NK_EDIT_COMMITED)
|
||||
{
|
||||
w = atoi(wBuf);
|
||||
*isAutoUpdating = GLFW_FALSE;
|
||||
glfwSetPreeditCursorRectangle(window, x, y, w, h);
|
||||
}
|
||||
else if (events & NK_EDIT_DEACTIVATED)
|
||||
sprintf(wBuf, "%i", w);
|
||||
|
||||
nk_layout_row_push(nk, 1.f / 9.f);
|
||||
events = nk_edit_string_zero_terminated(nk, flags, hBuf,
|
||||
sizeof(hBuf),
|
||||
nk_filter_decimal);
|
||||
if (events & NK_EDIT_COMMITED)
|
||||
{
|
||||
h = atoi(hBuf);
|
||||
*isAutoUpdating = GLFW_FALSE;
|
||||
glfwSetPreeditCursorRectangle(window, x, y, w, h);
|
||||
}
|
||||
else if (events & NK_EDIT_DEACTIVATED)
|
||||
sprintf(hBuf, "%i", h);
|
||||
|
||||
nk_layout_row_push(nk, 1.f / 9.f);
|
||||
nk_checkbox_label(nk, "Auto", isAutoUpdating);
|
||||
|
||||
nk_layout_row_end(nk);
|
||||
|
||||
lastX = x;
|
||||
lastY = y;
|
||||
lastW = w;
|
||||
lastH = h;
|
||||
}
|
||||
|
||||
static void set_ime_stauts_labels(GLFWwindow* window, struct nk_context* nk, int height)
|
||||
{
|
||||
nk_layout_row_dynamic(nk, height, 1);
|
||||
nk_value_bool(nk, "IME status", currentIMEStatus);
|
||||
}
|
||||
|
||||
static void set_preedit_labels(GLFWwindow* window, struct nk_context* nk, int height)
|
||||
{
|
||||
nk_layout_row_begin(nk, NK_DYNAMIC, height, 5);
|
||||
|
||||
nk_layout_row_push(nk, 1.f / 3.f);
|
||||
nk_label(nk, "Preedit info:", NK_TEXT_LEFT);
|
||||
|
||||
nk_layout_row_push(nk, 2.f / 3.f);
|
||||
nk_label(nk, (const char*) preeditBuf, NK_TEXT_LEFT);
|
||||
|
||||
nk_layout_row_end(nk);
|
||||
}
|
||||
|
||||
// If it is possible to take the text-cursor position calculated in `nk_do_edit` function in `deps/nuklear.h`,
|
||||
// we can set preedit-cursor position more easily.
|
||||
// However, there doesn't seem to be a way to do that, so this does a simplified calculation only for the end
|
||||
// of the text. (Can not trace the cursor movement)
|
||||
static void update_cursor_pos(GLFWwindow* window, struct nk_context* nk, struct nk_user_font* f, char* boxBuffer, int boxLen)
|
||||
{
|
||||
float lineWidth = 0;
|
||||
int totalLines = 1;
|
||||
|
||||
const char* text;
|
||||
int textPos = 0;
|
||||
|
||||
struct nk_str nkString;
|
||||
nk_str_init_fixed(&nkString, boxBuffer, (nk_size) MAX_BUFFER_LEN);
|
||||
nkString.buffer.allocated = (nk_size) boxLen;
|
||||
nkString.len = nk_utf_len(boxBuffer, boxLen);
|
||||
|
||||
text = nk_str_get_const(&nkString);
|
||||
|
||||
while (textPos < boxLen)
|
||||
{
|
||||
nk_rune unicode = 0;
|
||||
int remainedBoxLen = boxLen - textPos;
|
||||
int nextGlyphSize = nk_utf_decode(text + textPos, &unicode, remainedBoxLen);
|
||||
if (!nextGlyphSize)
|
||||
break;
|
||||
|
||||
if (unicode == '\n')
|
||||
{
|
||||
textPos++;
|
||||
totalLines++;
|
||||
lineWidth = 0;
|
||||
continue;
|
||||
}
|
||||
|
||||
textPos += nextGlyphSize;
|
||||
lineWidth += f->width(f->userdata, f->height, text + textPos, nextGlyphSize);
|
||||
}
|
||||
|
||||
{
|
||||
// I don't know how to get these info.
|
||||
int widgetLayoutX = 10;
|
||||
int widgetLayoutY = 220;
|
||||
|
||||
int lineHeight = f->height + nk->style.edit.row_padding;
|
||||
|
||||
int cursorPosX = widgetLayoutX + lineWidth;
|
||||
int cursorPosY = widgetLayoutY + lineHeight * (totalLines - 1);
|
||||
int cursorHeight = lineHeight;
|
||||
int cursorWidth;
|
||||
|
||||
// Keep the value of width since it doesn't need to be updated.
|
||||
glfwGetPreeditCursorRectangle(window, NULL, NULL, &cursorWidth, NULL);
|
||||
|
||||
glfwSetPreeditCursorRectangle(window, cursorPosX, cursorPosY, cursorWidth, cursorHeight);
|
||||
}
|
||||
}
|
||||
|
||||
static void ime_callback(GLFWwindow* window)
|
||||
{
|
||||
currentIMEStatus = glfwGetInputMode(window, GLFW_IME);
|
||||
printf("IME switched: %s\n", currentIMEStatus ? "ON" : "OFF");
|
||||
}
|
||||
|
||||
static void preedit_callback(GLFWwindow* window, int preeditCount,
|
||||
unsigned int* preeditString, int blockCount,
|
||||
int* blockSizes, int focusedBlock, int caret)
|
||||
{
|
||||
int blockIndex = -1, remainingBlockSize = 0;
|
||||
if (preeditCount == 0 || blockCount == 0)
|
||||
{
|
||||
strcpy(preeditBuf, "(empty)");
|
||||
return;
|
||||
}
|
||||
|
||||
strcpy(preeditBuf, "");
|
||||
|
||||
for (int i = 0; i < preeditCount; i++)
|
||||
{
|
||||
char encoded[5] = "";
|
||||
size_t encodedCount = 0;
|
||||
|
||||
if (i == caret)
|
||||
{
|
||||
if (strlen(preeditBuf) + strlen("|") < MAX_PREEDIT_LEN)
|
||||
strcat(preeditBuf, "|");
|
||||
}
|
||||
if (remainingBlockSize == 0)
|
||||
{
|
||||
if (blockIndex == focusedBlock)
|
||||
{
|
||||
if (strlen(preeditBuf) + strlen("]") < MAX_PREEDIT_LEN)
|
||||
strcat(preeditBuf, "]");
|
||||
}
|
||||
blockIndex++;
|
||||
remainingBlockSize = blockSizes[blockIndex];
|
||||
if (blockIndex == focusedBlock)
|
||||
{
|
||||
if (strlen(preeditBuf) + strlen("[") < MAX_PREEDIT_LEN)
|
||||
strcat(preeditBuf, "[");
|
||||
}
|
||||
}
|
||||
encodedCount = encode_utf8(encoded, preeditString[i]);
|
||||
encoded[encodedCount] = '\0';
|
||||
if (strlen(preeditBuf) + strlen(encoded) < MAX_PREEDIT_LEN)
|
||||
strcat(preeditBuf, encoded);
|
||||
remainingBlockSize--;
|
||||
}
|
||||
if (blockIndex == focusedBlock)
|
||||
{
|
||||
if (strlen(preeditBuf) + strlen("]") < MAX_PREEDIT_LEN)
|
||||
strcat(preeditBuf, "]");
|
||||
}
|
||||
if (caret == preeditCount)
|
||||
{
|
||||
if (strlen(preeditBuf) + strlen("|") < MAX_PREEDIT_LEN)
|
||||
strcat(preeditBuf, "|");
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
GLFWwindow* window;
|
||||
struct nk_context* nk;
|
||||
int width, height;
|
||||
char boxBuffer[MAX_BUFFER_LEN] = "Input text here.";
|
||||
int boxLen = strlen(boxBuffer);
|
||||
int isAutoUpdatingCursorPosEnabled = GLFW_TRUE;
|
||||
int ch;
|
||||
|
||||
while ((ch = getopt(argc, argv, "hs")) != -1)
|
||||
{
|
||||
switch (ch)
|
||||
{
|
||||
case 'h':
|
||||
usage();
|
||||
exit(EXIT_SUCCESS);
|
||||
|
||||
case 's':
|
||||
glfwInitHint(GLFW_X11_ONTHESPOT, GLFW_TRUE);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!glfwInit())
|
||||
exit(EXIT_FAILURE);
|
||||
|
||||
glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE);
|
||||
glfwWindowHint(GLFW_WIN32_KEYBOARD_MENU, GLFW_TRUE);
|
||||
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
|
||||
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
|
||||
|
||||
window = glfwCreateWindow(600, 600, "Input Text", NULL, NULL);
|
||||
if (!window)
|
||||
{
|
||||
glfwTerminate();
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
currentIMEStatus = glfwGetInputMode(window, GLFW_IME);
|
||||
glfwSetPreeditCursorRectangle(window, 0, 0, 1, 1);
|
||||
glfwSetIMEStatusCallback(window, ime_callback);
|
||||
glfwSetPreeditCallback(window, preedit_callback);
|
||||
|
||||
glfwMakeContextCurrent(window);
|
||||
gladLoadGL(glfwGetProcAddress);
|
||||
glfwSwapInterval(0);
|
||||
|
||||
nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
|
||||
init_font_list();
|
||||
update_font(nk, 18);
|
||||
|
||||
while (!glfwWindowShouldClose(window))
|
||||
{
|
||||
struct nk_rect area;
|
||||
|
||||
glfwGetWindowSize(window, &width, &height);
|
||||
|
||||
area = nk_rect(0.f, 0.f, (float) width, (float) height);
|
||||
nk_window_set_bounds(nk, "main", area);
|
||||
|
||||
nk_glfw3_new_frame();
|
||||
if (nk_begin(nk, "main", area, 0))
|
||||
{
|
||||
set_menu_buttons(window, nk, 30);
|
||||
if (set_font_selecter(window, nk, 30, 18))
|
||||
update_font(nk, 18);
|
||||
set_ime_buttons(window, nk, 30);
|
||||
set_preedit_cursor_edit(window, nk, 30, &isAutoUpdatingCursorPosEnabled);
|
||||
set_ime_stauts_labels(window, nk, 30);
|
||||
set_preedit_labels(window, nk, 30);
|
||||
|
||||
nk_layout_row_dynamic(nk, height - 250, 1);
|
||||
nk_edit_string(nk, NK_EDIT_BOX, boxBuffer, &boxLen, MAX_BUFFER_LEN, nk_filter_default);
|
||||
}
|
||||
nk_end(nk);
|
||||
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
nk_glfw3_render(NK_ANTI_ALIASING_ON);
|
||||
glfwSwapBuffers(window);
|
||||
|
||||
if (isAutoUpdatingCursorPosEnabled)
|
||||
update_cursor_pos(window, nk, ¤tFont->handle, boxBuffer, boxLen);
|
||||
|
||||
glfwWaitEvents();
|
||||
}
|
||||
|
||||
deinit_font_list();
|
||||
|
||||
nk_glfw3_shutdown();
|
||||
glfwTerminate();
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user