mirror of
https://github.com/glfw/glfw.git
synced 2024-11-10 00:51:47 +00:00
1327 lines
42 KiB
C
1327 lines
42 KiB
C
//========================================================================
|
|
// GLFW 3.0 X11 - www.glfw.org
|
|
//------------------------------------------------------------------------
|
|
// Copyright (c) 2002-2006 Marcus Geelnard
|
|
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would
|
|
// be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such, and must not
|
|
// be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source
|
|
// distribution.
|
|
//
|
|
//========================================================================
|
|
|
|
#include "internal.h"
|
|
|
|
#include <sys/select.h>
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <limits.h>
|
|
|
|
// Action for EWMH client messages
|
|
#define _NET_WM_STATE_REMOVE 0
|
|
#define _NET_WM_STATE_ADD 1
|
|
#define _NET_WM_STATE_TOGGLE 2
|
|
|
|
// Additional mouse button names for XButtonEvent
|
|
#define Button6 6
|
|
#define Button7 7
|
|
|
|
typedef struct
|
|
{
|
|
unsigned long flags;
|
|
unsigned long functions;
|
|
unsigned long decorations;
|
|
long input_mode;
|
|
unsigned long status;
|
|
} MotifWmHints;
|
|
|
|
#define MWM_HINTS_DECORATIONS (1L << 1)
|
|
|
|
|
|
// Translates an X event modifier state mask
|
|
//
|
|
static int translateState(int state)
|
|
{
|
|
int mods = 0;
|
|
|
|
if (state & ShiftMask)
|
|
mods |= GLFW_MOD_SHIFT;
|
|
if (state & ControlMask)
|
|
mods |= GLFW_MOD_CONTROL;
|
|
if (state & Mod1Mask)
|
|
mods |= GLFW_MOD_ALT;
|
|
if (state & Mod4Mask)
|
|
mods |= GLFW_MOD_SUPER;
|
|
|
|
return mods;
|
|
}
|
|
|
|
// Translates an X Window key to internal coding
|
|
//
|
|
static int translateKey(int keycode)
|
|
{
|
|
// Use the pre-filled LUT (see updateKeyCodeLUT() in x11_init.c)
|
|
if ((keycode >= 0) && (keycode < 256))
|
|
return _glfw.x11.keyCodeLUT[keycode];
|
|
|
|
return GLFW_KEY_UNKNOWN;
|
|
}
|
|
|
|
// Translates an X Window event to Unicode
|
|
//
|
|
static int translateChar(XKeyEvent* event)
|
|
{
|
|
KeySym keysym;
|
|
|
|
// Get X11 keysym
|
|
XLookupString(event, NULL, 0, &keysym, NULL);
|
|
|
|
// Convert to Unicode (see x11_unicode.c)
|
|
return (int) _glfwKeySym2Unicode(keysym);
|
|
}
|
|
|
|
// Create the X11 window (and its colormap)
|
|
//
|
|
static GLboolean createWindow(_GLFWwindow* window,
|
|
const _GLFWwndconfig* wndconfig)
|
|
{
|
|
unsigned long wamask;
|
|
XSetWindowAttributes wa;
|
|
XVisualInfo* visual = _GLFW_X11_CONTEXT_VISUAL;
|
|
|
|
// Every window needs a colormap
|
|
// Create one based on the visual used by the current context
|
|
// TODO: Decouple this from context creation
|
|
|
|
window->x11.colormap = XCreateColormap(_glfw.x11.display,
|
|
_glfw.x11.root,
|
|
visual->visual,
|
|
AllocNone);
|
|
|
|
// Create the actual window
|
|
{
|
|
wamask = CWBorderPixel | CWColormap | CWEventMask;
|
|
|
|
wa.colormap = window->x11.colormap;
|
|
wa.border_pixel = 0;
|
|
wa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask |
|
|
PointerMotionMask | ButtonPressMask | ButtonReleaseMask |
|
|
ExposureMask | FocusChangeMask | VisibilityChangeMask |
|
|
EnterWindowMask | LeaveWindowMask | PropertyChangeMask;
|
|
|
|
if (wndconfig->monitor == NULL)
|
|
{
|
|
// HACK: This is a workaround for windows without a background pixel
|
|
// not getting any decorations on certain older versions of
|
|
// Compiz running on Intel hardware
|
|
wa.background_pixel = BlackPixel(_glfw.x11.display,
|
|
_glfw.x11.screen);
|
|
wamask |= CWBackPixel;
|
|
}
|
|
|
|
_glfwGrabXErrorHandler();
|
|
|
|
window->x11.handle = XCreateWindow(_glfw.x11.display,
|
|
_glfw.x11.root,
|
|
0, 0,
|
|
wndconfig->width, wndconfig->height,
|
|
0, // Border width
|
|
visual->depth, // Color depth
|
|
InputOutput,
|
|
visual->visual,
|
|
wamask,
|
|
&wa);
|
|
|
|
_glfwReleaseXErrorHandler();
|
|
|
|
if (!window->x11.handle)
|
|
{
|
|
_glfwInputXError(GLFW_PLATFORM_ERROR,
|
|
"X11: Failed to create window");
|
|
return GL_FALSE;
|
|
}
|
|
|
|
if (!wndconfig->decorated)
|
|
{
|
|
MotifWmHints hints;
|
|
hints.flags = MWM_HINTS_DECORATIONS;
|
|
hints.decorations = 0;
|
|
|
|
XChangeProperty(_glfw.x11.display, window->x11.handle,
|
|
_glfw.x11.MOTIF_WM_HINTS,
|
|
_glfw.x11.MOTIF_WM_HINTS, 32,
|
|
PropModeReplace,
|
|
(unsigned char*) &hints,
|
|
sizeof(MotifWmHints) / sizeof(long));
|
|
}
|
|
|
|
XSaveContext(_glfw.x11.display,
|
|
window->x11.handle,
|
|
_glfw.x11.context,
|
|
(XPointer) window);
|
|
}
|
|
|
|
if (window->monitor && !_glfw.x11.hasEWMH)
|
|
{
|
|
// This is the butcher's way of removing window decorations
|
|
// Setting the override-redirect attribute on a window makes the window
|
|
// manager ignore the window completely (ICCCM, section 4)
|
|
// The good thing is that this makes undecorated fullscreen windows
|
|
// easy to do; the bad thing is that we have to do everything manually
|
|
// and some things (like iconify/restore) won't work at all, as those
|
|
// are tasks usually performed by the window manager
|
|
|
|
XSetWindowAttributes attributes;
|
|
attributes.override_redirect = True;
|
|
XChangeWindowAttributes(_glfw.x11.display,
|
|
window->x11.handle,
|
|
CWOverrideRedirect,
|
|
&attributes);
|
|
|
|
window->x11.overrideRedirect = GL_TRUE;
|
|
}
|
|
|
|
// Declare the WM protocols supported by GLFW
|
|
{
|
|
int count = 0;
|
|
Atom protocols[2];
|
|
|
|
// The WM_DELETE_WINDOW ICCCM protocol
|
|
// Basic window close notification protocol
|
|
if (_glfw.x11.WM_DELETE_WINDOW)
|
|
protocols[count++] = _glfw.x11.WM_DELETE_WINDOW;
|
|
|
|
// The _NET_WM_PING EWMH protocol
|
|
// Tells the WM to ping the GLFW window and flag the application as
|
|
// unresponsive if the WM doesn't get a reply within a few seconds
|
|
if (_glfw.x11.NET_WM_PING)
|
|
protocols[count++] = _glfw.x11.NET_WM_PING;
|
|
|
|
if (count > 0)
|
|
{
|
|
XSetWMProtocols(_glfw.x11.display, window->x11.handle,
|
|
protocols, count);
|
|
}
|
|
}
|
|
|
|
if (_glfw.x11.NET_WM_PID)
|
|
{
|
|
const pid_t pid = getpid();
|
|
|
|
XChangeProperty(_glfw.x11.display, window->x11.handle,
|
|
_glfw.x11.NET_WM_PID, XA_CARDINAL, 32,
|
|
PropModeReplace,
|
|
(unsigned char*) &pid, 1);
|
|
}
|
|
|
|
// Set ICCCM WM_HINTS property
|
|
{
|
|
XWMHints* hints = XAllocWMHints();
|
|
if (!hints)
|
|
{
|
|
_glfwInputError(GLFW_OUT_OF_MEMORY,
|
|
"X11: Failed to allocate WM hints");
|
|
return GL_FALSE;
|
|
}
|
|
|
|
hints->flags = StateHint;
|
|
hints->initial_state = NormalState;
|
|
|
|
XSetWMHints(_glfw.x11.display, window->x11.handle, hints);
|
|
XFree(hints);
|
|
}
|
|
|
|
// Set ICCCM WM_NORMAL_HINTS property (even if no parts are set)
|
|
{
|
|
XSizeHints* hints = XAllocSizeHints();
|
|
hints->flags = 0;
|
|
|
|
if (wndconfig->monitor)
|
|
{
|
|
hints->flags |= PPosition;
|
|
_glfwPlatformGetMonitorPos(wndconfig->monitor, &hints->x, &hints->y);
|
|
}
|
|
else
|
|
{
|
|
// HACK: Explicitly setting PPosition to any value causes some WMs,
|
|
// notably Compiz and Metacity, to honor the position of
|
|
// unmapped windows set by XMoveWindow
|
|
hints->flags |= PPosition;
|
|
hints->x = hints->y = 0;
|
|
}
|
|
|
|
if (!wndconfig->resizable)
|
|
{
|
|
hints->flags |= (PMinSize | PMaxSize);
|
|
hints->min_width = hints->max_width = wndconfig->width;
|
|
hints->min_height = hints->max_height = wndconfig->height;
|
|
}
|
|
|
|
XSetWMNormalHints(_glfw.x11.display, window->x11.handle, hints);
|
|
XFree(hints);
|
|
}
|
|
|
|
// Set ICCCM WM_CLASS property
|
|
// HACK: Until a mechanism for specifying the application name is added, the
|
|
// initial window title is used as the window class name
|
|
if (strlen(wndconfig->title))
|
|
{
|
|
XClassHint* hint = XAllocClassHint();
|
|
hint->res_name = (char*) wndconfig->title;
|
|
hint->res_class = (char*) wndconfig->title;
|
|
|
|
XSetClassHint(_glfw.x11.display, window->x11.handle, hint);
|
|
XFree(hint);
|
|
}
|
|
|
|
if (_glfw.x11.xi.available)
|
|
{
|
|
// Select for XInput2 events
|
|
|
|
XIEventMask eventmask;
|
|
unsigned char mask[] = { 0 };
|
|
|
|
eventmask.deviceid = 2;
|
|
eventmask.mask_len = sizeof(mask);
|
|
eventmask.mask = mask;
|
|
XISetMask(mask, XI_Motion);
|
|
|
|
XISelectEvents(_glfw.x11.display, window->x11.handle, &eventmask, 1);
|
|
}
|
|
|
|
if (_glfw.x11.XdndAware)
|
|
{
|
|
// Announce support for XDND version 5 and below
|
|
|
|
const Atom version = 5;
|
|
XChangeProperty(_glfw.x11.display, window->x11.handle,
|
|
_glfw.x11.XdndAware, XA_ATOM, 32,
|
|
PropModeReplace, (unsigned char*) &version, 1);
|
|
}
|
|
|
|
_glfwPlatformSetWindowTitle(window, wndconfig->title);
|
|
|
|
XRRSelectInput(_glfw.x11.display, window->x11.handle,
|
|
RRScreenChangeNotifyMask);
|
|
|
|
_glfwPlatformGetWindowPos(window, &window->x11.xpos, &window->x11.ypos);
|
|
_glfwPlatformGetWindowSize(window, &window->x11.width, &window->x11.height);
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
// Hide the mouse cursor
|
|
//
|
|
static void hideCursor(_GLFWwindow* window)
|
|
{
|
|
XUngrabPointer(_glfw.x11.display, CurrentTime);
|
|
XDefineCursor(_glfw.x11.display, window->x11.handle, _glfw.x11.cursor);
|
|
}
|
|
|
|
// Disable the mouse cursor
|
|
//
|
|
static void disableCursor(_GLFWwindow* window)
|
|
{
|
|
XGrabPointer(_glfw.x11.display, window->x11.handle, True,
|
|
ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
|
|
GrabModeAsync, GrabModeAsync,
|
|
window->x11.handle, _glfw.x11.cursor, CurrentTime);
|
|
}
|
|
|
|
// Restores the mouse cursor
|
|
//
|
|
static void restoreCursor(_GLFWwindow* window)
|
|
{
|
|
XUngrabPointer(_glfw.x11.display, CurrentTime);
|
|
XUndefineCursor(_glfw.x11.display, window->x11.handle);
|
|
}
|
|
|
|
// Enter fullscreen mode
|
|
//
|
|
static void enterFullscreenMode(_GLFWwindow* window)
|
|
{
|
|
if (_glfw.x11.saver.count == 0)
|
|
{
|
|
// Remember old screen saver settings
|
|
XGetScreenSaver(_glfw.x11.display,
|
|
&_glfw.x11.saver.timeout,
|
|
&_glfw.x11.saver.interval,
|
|
&_glfw.x11.saver.blanking,
|
|
&_glfw.x11.saver.exposure);
|
|
|
|
// Disable screen saver
|
|
XSetScreenSaver(_glfw.x11.display, 0, 0, DontPreferBlanking,
|
|
DefaultExposures);
|
|
}
|
|
|
|
_glfw.x11.saver.count++;
|
|
|
|
_glfwSetVideoMode(window->monitor, &window->videoMode);
|
|
|
|
if (_glfw.x11.NET_WM_BYPASS_COMPOSITOR)
|
|
{
|
|
const unsigned long value = 1;
|
|
|
|
XChangeProperty(_glfw.x11.display, window->x11.handle,
|
|
_glfw.x11.NET_WM_BYPASS_COMPOSITOR, XA_CARDINAL, 32,
|
|
PropModeReplace, (unsigned char*) &value, 1);
|
|
}
|
|
|
|
if (_glfw.x11.NET_WM_STATE && _glfw.x11.NET_WM_STATE_FULLSCREEN)
|
|
{
|
|
int x, y;
|
|
_glfwPlatformGetMonitorPos(window->monitor, &x, &y);
|
|
_glfwPlatformSetWindowPos(window, x, y);
|
|
|
|
if (_glfw.x11.NET_ACTIVE_WINDOW)
|
|
{
|
|
// Ask the window manager to raise and focus the GLFW window
|
|
// Only focused windows with the _NET_WM_STATE_FULLSCREEN state end
|
|
// up on top of all other windows ("Stacking order" in EWMH spec)
|
|
|
|
XEvent event;
|
|
memset(&event, 0, sizeof(event));
|
|
|
|
event.type = ClientMessage;
|
|
event.xclient.window = window->x11.handle;
|
|
event.xclient.format = 32; // Data is 32-bit longs
|
|
event.xclient.message_type = _glfw.x11.NET_ACTIVE_WINDOW;
|
|
event.xclient.data.l[0] = 1; // Sender is a normal application
|
|
event.xclient.data.l[1] = 0; // We don't really know the timestamp
|
|
|
|
XSendEvent(_glfw.x11.display,
|
|
_glfw.x11.root,
|
|
False,
|
|
SubstructureNotifyMask | SubstructureRedirectMask,
|
|
&event);
|
|
}
|
|
|
|
// Ask the window manager to make the GLFW window a fullscreen window
|
|
// Fullscreen windows are undecorated and, when focused, are kept
|
|
// on top of all other windows
|
|
|
|
XEvent event;
|
|
memset(&event, 0, sizeof(event));
|
|
|
|
event.type = ClientMessage;
|
|
event.xclient.window = window->x11.handle;
|
|
event.xclient.format = 32; // Data is 32-bit longs
|
|
event.xclient.message_type = _glfw.x11.NET_WM_STATE;
|
|
event.xclient.data.l[0] = _NET_WM_STATE_ADD;
|
|
event.xclient.data.l[1] = _glfw.x11.NET_WM_STATE_FULLSCREEN;
|
|
event.xclient.data.l[2] = 0; // No secondary property
|
|
event.xclient.data.l[3] = 1; // Sender is a normal application
|
|
|
|
XSendEvent(_glfw.x11.display,
|
|
_glfw.x11.root,
|
|
False,
|
|
SubstructureNotifyMask | SubstructureRedirectMask,
|
|
&event);
|
|
}
|
|
else if (window->x11.overrideRedirect)
|
|
{
|
|
// In override-redirect mode we have divorced ourselves from the
|
|
// window manager, so we need to do everything manually
|
|
|
|
GLFWvidmode mode;
|
|
_glfwPlatformGetVideoMode(window->monitor, &mode);
|
|
|
|
XRaiseWindow(_glfw.x11.display, window->x11.handle);
|
|
XSetInputFocus(_glfw.x11.display, window->x11.handle,
|
|
RevertToParent, CurrentTime);
|
|
XMoveWindow(_glfw.x11.display, window->x11.handle, 0, 0);
|
|
XResizeWindow(_glfw.x11.display, window->x11.handle,
|
|
mode.width, mode.height);
|
|
}
|
|
}
|
|
|
|
// Leave fullscreen mode
|
|
//
|
|
static void leaveFullscreenMode(_GLFWwindow* window)
|
|
{
|
|
_glfwRestoreVideoMode(window->monitor);
|
|
|
|
_glfw.x11.saver.count--;
|
|
|
|
if (_glfw.x11.saver.count == 0)
|
|
{
|
|
// Restore old screen saver settings
|
|
XSetScreenSaver(_glfw.x11.display,
|
|
_glfw.x11.saver.timeout,
|
|
_glfw.x11.saver.interval,
|
|
_glfw.x11.saver.blanking,
|
|
_glfw.x11.saver.exposure);
|
|
}
|
|
|
|
if (_glfw.x11.NET_WM_BYPASS_COMPOSITOR)
|
|
{
|
|
const unsigned long value = 0;
|
|
|
|
XChangeProperty(_glfw.x11.display, window->x11.handle,
|
|
_glfw.x11.NET_WM_BYPASS_COMPOSITOR, XA_CARDINAL, 32,
|
|
PropModeReplace, (unsigned char*) &value, 1);
|
|
}
|
|
|
|
if (_glfw.x11.NET_WM_STATE && _glfw.x11.NET_WM_STATE_FULLSCREEN)
|
|
{
|
|
// Ask the window manager to make the GLFW window a normal window
|
|
// Normal windows usually have frames and other decorations
|
|
|
|
XEvent event;
|
|
memset(&event, 0, sizeof(event));
|
|
|
|
event.type = ClientMessage;
|
|
event.xclient.window = window->x11.handle;
|
|
event.xclient.format = 32; // Data is 32-bit longs
|
|
event.xclient.message_type = _glfw.x11.NET_WM_STATE;
|
|
event.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
|
|
event.xclient.data.l[1] = _glfw.x11.NET_WM_STATE_FULLSCREEN;
|
|
event.xclient.data.l[2] = 0; // No secondary property
|
|
event.xclient.data.l[3] = 1; // Sender is a normal application
|
|
|
|
XSendEvent(_glfw.x11.display,
|
|
_glfw.x11.root,
|
|
False,
|
|
SubstructureNotifyMask | SubstructureRedirectMask,
|
|
&event);
|
|
}
|
|
}
|
|
|
|
|
|
// Process the specified X event
|
|
//
|
|
static void processEvent(XEvent *event)
|
|
{
|
|
_GLFWwindow* window = NULL;
|
|
|
|
if (event->type != GenericEvent)
|
|
{
|
|
window = _glfwFindWindowByHandle(event->xany.window);
|
|
if (window == NULL)
|
|
{
|
|
// This is an event for a window that has already been destroyed
|
|
return;
|
|
}
|
|
}
|
|
|
|
switch (event->type)
|
|
{
|
|
case KeyPress:
|
|
{
|
|
const int key = translateKey(event->xkey.keycode);
|
|
const int mods = translateState(event->xkey.state);
|
|
const int character = translateChar(&event->xkey);
|
|
|
|
_glfwInputKey(window, key, event->xkey.keycode, GLFW_PRESS, mods);
|
|
|
|
if (character != -1)
|
|
_glfwInputChar(window, character);
|
|
|
|
break;
|
|
}
|
|
|
|
case KeyRelease:
|
|
{
|
|
const int key = translateKey(event->xkey.keycode);
|
|
const int mods = translateState(event->xkey.state);
|
|
|
|
_glfwInputKey(window, key, event->xkey.keycode, GLFW_RELEASE, mods);
|
|
break;
|
|
}
|
|
|
|
case ButtonPress:
|
|
{
|
|
const int mods = translateState(event->xbutton.state);
|
|
|
|
if (event->xbutton.button == Button1)
|
|
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
|
|
else if (event->xbutton.button == Button2)
|
|
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS, mods);
|
|
else if (event->xbutton.button == Button3)
|
|
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, mods);
|
|
|
|
// Modern X provides scroll events as mouse button presses
|
|
else if (event->xbutton.button == Button4)
|
|
_glfwInputScroll(window, 0.0, 1.0);
|
|
else if (event->xbutton.button == Button5)
|
|
_glfwInputScroll(window, 0.0, -1.0);
|
|
else if (event->xbutton.button == Button6)
|
|
_glfwInputScroll(window, -1.0, 0.0);
|
|
else if (event->xbutton.button == Button7)
|
|
_glfwInputScroll(window, 1.0, 0.0);
|
|
|
|
else
|
|
{
|
|
// Additional buttons after 7 are treated as regular buttons
|
|
// We subtract 4 to fill the gap left by scroll input above
|
|
_glfwInputMouseClick(window,
|
|
event->xbutton.button - 4,
|
|
GLFW_PRESS,
|
|
mods);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case ButtonRelease:
|
|
{
|
|
const int mods = translateState(event->xbutton.state);
|
|
|
|
if (event->xbutton.button == Button1)
|
|
{
|
|
_glfwInputMouseClick(window,
|
|
GLFW_MOUSE_BUTTON_LEFT,
|
|
GLFW_RELEASE,
|
|
mods);
|
|
}
|
|
else if (event->xbutton.button == Button2)
|
|
{
|
|
_glfwInputMouseClick(window,
|
|
GLFW_MOUSE_BUTTON_MIDDLE,
|
|
GLFW_RELEASE,
|
|
mods);
|
|
}
|
|
else if (event->xbutton.button == Button3)
|
|
{
|
|
_glfwInputMouseClick(window,
|
|
GLFW_MOUSE_BUTTON_RIGHT,
|
|
GLFW_RELEASE,
|
|
mods);
|
|
}
|
|
else if (event->xbutton.button > Button7)
|
|
{
|
|
// Additional buttons after 7 are treated as regular buttons
|
|
// We subtract 4 to fill the gap left by scroll input above
|
|
_glfwInputMouseClick(window,
|
|
event->xbutton.button - 4,
|
|
GLFW_RELEASE,
|
|
mods);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case EnterNotify:
|
|
{
|
|
_glfwInputCursorEnter(window, GL_TRUE);
|
|
break;
|
|
}
|
|
|
|
case LeaveNotify:
|
|
{
|
|
_glfwInputCursorEnter(window, GL_FALSE);
|
|
break;
|
|
}
|
|
|
|
case MotionNotify:
|
|
{
|
|
if (event->xmotion.x != window->x11.warpPosX ||
|
|
event->xmotion.y != window->x11.warpPosY)
|
|
{
|
|
// The cursor was moved by something other than GLFW
|
|
|
|
int x, y;
|
|
|
|
if (window->cursorMode == GLFW_CURSOR_DISABLED)
|
|
{
|
|
if (_glfw.focusedWindow != window)
|
|
break;
|
|
|
|
x = event->xmotion.x - window->x11.cursorPosX;
|
|
y = event->xmotion.y - window->x11.cursorPosY;
|
|
}
|
|
else
|
|
{
|
|
x = event->xmotion.x;
|
|
y = event->xmotion.y;
|
|
}
|
|
|
|
_glfwInputCursorMotion(window, x, y);
|
|
}
|
|
|
|
window->x11.cursorPosX = event->xmotion.x;
|
|
window->x11.cursorPosY = event->xmotion.y;
|
|
break;
|
|
}
|
|
|
|
case ConfigureNotify:
|
|
{
|
|
if (event->xconfigure.width != window->x11.width ||
|
|
event->xconfigure.height != window->x11.height)
|
|
{
|
|
_glfwInputFramebufferSize(window,
|
|
event->xconfigure.width,
|
|
event->xconfigure.height);
|
|
|
|
_glfwInputWindowSize(window,
|
|
event->xconfigure.width,
|
|
event->xconfigure.height);
|
|
|
|
window->x11.width = event->xconfigure.width;
|
|
window->x11.height = event->xconfigure.height;
|
|
}
|
|
|
|
if (event->xconfigure.x != window->x11.xpos ||
|
|
event->xconfigure.y != window->x11.ypos)
|
|
{
|
|
_glfwInputWindowPos(window,
|
|
event->xconfigure.x,
|
|
event->xconfigure.y);
|
|
|
|
window->x11.xpos = event->xconfigure.x;
|
|
window->x11.ypos = event->xconfigure.y;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case ClientMessage:
|
|
{
|
|
// Custom client message, probably from the window manager
|
|
|
|
if ((Atom) event->xclient.data.l[0] == _glfw.x11.WM_DELETE_WINDOW)
|
|
{
|
|
// The window manager was asked to close the window, for example by
|
|
// the user pressing a 'close' window decoration button
|
|
|
|
_glfwInputWindowCloseRequest(window);
|
|
}
|
|
else if (_glfw.x11.NET_WM_PING &&
|
|
(Atom) event->xclient.data.l[0] == _glfw.x11.NET_WM_PING)
|
|
{
|
|
// The window manager is pinging the application to ensure it's
|
|
// still responding to events
|
|
|
|
event->xclient.window = _glfw.x11.root;
|
|
XSendEvent(_glfw.x11.display,
|
|
event->xclient.window,
|
|
False,
|
|
SubstructureNotifyMask | SubstructureRedirectMask,
|
|
event);
|
|
|
|
}
|
|
else if (event->xclient.message_type == _glfw.x11.XdndEnter)
|
|
{
|
|
// Xdnd Enter: the drag&drop event has started in the window, we
|
|
// could be getting the type and possible conversions here but
|
|
// since we use always string conversion we don't need it
|
|
}
|
|
else if (event->xclient.message_type == _glfw.x11.XdndDrop)
|
|
{
|
|
// Xdnd Drop: The drag&drop event has finished dropping on
|
|
// the window, ask to convert the selection
|
|
_glfw.x11.xdnd.sourceWindow = event->xclient.data.l[0];
|
|
XConvertSelection(_glfw.x11.display,
|
|
_glfw.x11.XdndSelection,
|
|
_glfw.x11.UTF8_STRING,
|
|
_glfw.x11.XdndSelection,
|
|
window->x11.handle, CurrentTime);
|
|
}
|
|
else if (event->xclient.message_type == _glfw.x11.XdndLeave)
|
|
{
|
|
}
|
|
else if (event->xclient.message_type == _glfw.x11.XdndPosition)
|
|
{
|
|
// Xdnd Position: get coordinates of the mouse inside the window
|
|
// and update the mouse position
|
|
const int absX = (event->xclient.data.l[2] >> 16) & 0xFFFF;
|
|
const int absY = (event->xclient.data.l[2]) & 0xFFFF;
|
|
int x, y;
|
|
|
|
_glfwPlatformGetWindowPos(window, &x, &y);
|
|
_glfwInputCursorMotion(window, absX - x, absY - y);
|
|
|
|
// Xdnd: reply with an XDND status message
|
|
XEvent reply;
|
|
memset(&reply, 0, sizeof(reply));
|
|
|
|
reply.type = ClientMessage;
|
|
reply.xclient.window = event->xclient.data.l[0];
|
|
reply.xclient.message_type = _glfw.x11.XdndStatus;
|
|
reply.xclient.format = 32;
|
|
reply.xclient.data.l[0] = window->x11.handle;
|
|
reply.xclient.data.l[1] = 1; // Always accept the dnd with no rectangle
|
|
reply.xclient.data.l[2] = 0; // Specify an empty rectangle
|
|
reply.xclient.data.l[3] = 0;
|
|
reply.xclient.data.l[4] = _glfw.x11.XdndActionCopy; // We only accept copying
|
|
|
|
XSendEvent(_glfw.x11.display, window->x11.handle,
|
|
False, NoEventMask, &reply);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case SelectionNotify:
|
|
{
|
|
if (event->xselection.property != None)
|
|
{
|
|
// Xdnd: got a selection notification from the conversion
|
|
// we asked for, get the data and finish the d&d event
|
|
char* data;
|
|
|
|
free(_glfw.x11.xdnd.string);
|
|
_glfw.x11.xdnd.string = NULL;
|
|
|
|
const int result = _glfwGetWindowProperty(event->xselection.requestor,
|
|
event->xselection.property,
|
|
event->xselection.target,
|
|
(unsigned char**) &data);
|
|
|
|
if (result)
|
|
{
|
|
// Nautilus seems to add a \r at the end of the paths
|
|
// remove it so paths can be directly used
|
|
_glfw.x11.xdnd.string = malloc(strlen(data) + 1);
|
|
char *to = _glfw.x11.xdnd.string;
|
|
const char *from = data;
|
|
const char *current = strchr(from, '\r');
|
|
|
|
while (current)
|
|
{
|
|
const int charsToCopy = current - from;
|
|
memcpy(to, from, (size_t) charsToCopy);
|
|
to += charsToCopy;
|
|
|
|
from = current + 1;
|
|
current = strchr(from, '\r');
|
|
}
|
|
|
|
const size_t remaining = strlen(from);
|
|
|
|
memcpy(to, from, remaining);
|
|
to += remaining;
|
|
*to = 0;
|
|
}
|
|
|
|
XEvent reply;
|
|
memset(&reply, 0, sizeof(reply));
|
|
|
|
reply.type = ClientMessage;
|
|
reply.xclient.window = _glfw.x11.xdnd.sourceWindow;
|
|
reply.xclient.message_type = _glfw.x11.XdndFinished;
|
|
reply.xclient.format = 32;
|
|
reply.xclient.data.l[0] = window->x11.handle;
|
|
reply.xclient.data.l[1] = result;
|
|
reply.xclient.data.l[2] = _glfw.x11.XdndActionCopy; // We only ever copy
|
|
|
|
// Reply that all is well
|
|
XSendEvent(_glfw.x11.display, _glfw.x11.xdnd.sourceWindow,
|
|
False, NoEventMask, &reply);
|
|
XSync(_glfw.x11.display, False);
|
|
XFree(data);
|
|
|
|
if (result)
|
|
_glfwInputDrop(window, _glfw.x11.xdnd.string);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case MapNotify:
|
|
{
|
|
_glfwInputWindowVisibility(window, GL_TRUE);
|
|
break;
|
|
}
|
|
|
|
case UnmapNotify:
|
|
{
|
|
_glfwInputWindowVisibility(window, GL_FALSE);
|
|
break;
|
|
}
|
|
|
|
case FocusIn:
|
|
{
|
|
_glfwInputWindowFocus(window, GL_TRUE);
|
|
|
|
if (window->cursorMode == GLFW_CURSOR_DISABLED)
|
|
disableCursor(window);
|
|
|
|
break;
|
|
}
|
|
|
|
case FocusOut:
|
|
{
|
|
_glfwInputWindowFocus(window, GL_FALSE);
|
|
|
|
if (window->cursorMode == GLFW_CURSOR_DISABLED)
|
|
restoreCursor(window);
|
|
|
|
break;
|
|
}
|
|
|
|
case Expose:
|
|
{
|
|
_glfwInputWindowDamage(window);
|
|
break;
|
|
}
|
|
|
|
case PropertyNotify:
|
|
{
|
|
if (event->xproperty.atom == _glfw.x11.WM_STATE &&
|
|
event->xproperty.state == PropertyNewValue)
|
|
{
|
|
struct {
|
|
CARD32 state;
|
|
Window icon;
|
|
} *state = NULL;
|
|
|
|
if (_glfwGetWindowProperty(window->x11.handle,
|
|
_glfw.x11.WM_STATE,
|
|
_glfw.x11.WM_STATE,
|
|
(unsigned char**) &state) >= 2)
|
|
{
|
|
if (state->state == IconicState)
|
|
_glfwInputWindowIconify(window, GL_TRUE);
|
|
else if (state->state == NormalState)
|
|
_glfwInputWindowIconify(window, GL_FALSE);
|
|
}
|
|
|
|
XFree(state);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case SelectionClear:
|
|
{
|
|
_glfwHandleSelectionClear(event);
|
|
break;
|
|
}
|
|
|
|
case SelectionRequest:
|
|
{
|
|
_glfwHandleSelectionRequest(event);
|
|
break;
|
|
}
|
|
|
|
case DestroyNotify:
|
|
return;
|
|
|
|
case GenericEvent:
|
|
{
|
|
if (event->xcookie.extension == _glfw.x11.xi.majorOpcode &&
|
|
XGetEventData(_glfw.x11.display, &event->xcookie))
|
|
{
|
|
if (event->xcookie.evtype == XI_Motion)
|
|
{
|
|
XIDeviceEvent* data = (XIDeviceEvent*) event->xcookie.data;
|
|
|
|
window = _glfwFindWindowByHandle(data->event);
|
|
if (window)
|
|
{
|
|
if (data->event_x != window->x11.warpPosX ||
|
|
data->event_y != window->x11.warpPosY)
|
|
{
|
|
// The cursor was moved by something other than GLFW
|
|
|
|
double x, y;
|
|
|
|
if (window->cursorMode == GLFW_CURSOR_DISABLED)
|
|
{
|
|
if (_glfw.focusedWindow != window)
|
|
break;
|
|
|
|
x = data->event_x - window->x11.cursorPosX;
|
|
y = data->event_y - window->x11.cursorPosY;
|
|
}
|
|
else
|
|
{
|
|
x = data->event_x;
|
|
y = data->event_y;
|
|
}
|
|
|
|
_glfwInputCursorMotion(window, x, y);
|
|
}
|
|
|
|
window->x11.cursorPosX = data->event_x;
|
|
window->x11.cursorPosY = data->event_y;
|
|
}
|
|
}
|
|
}
|
|
|
|
XFreeEventData(_glfw.x11.display, &event->xcookie);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
switch (event->type - _glfw.x11.randr.eventBase)
|
|
{
|
|
case RRScreenChangeNotify:
|
|
{
|
|
XRRUpdateConfiguration(event);
|
|
break;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW internal API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
// Return the GLFW window corresponding to the specified X11 window
|
|
//
|
|
_GLFWwindow* _glfwFindWindowByHandle(Window handle)
|
|
{
|
|
_GLFWwindow* window;
|
|
|
|
if (XFindContext(_glfw.x11.display,
|
|
handle,
|
|
_glfw.x11.context,
|
|
(XPointer*) &window) != 0)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
return window;
|
|
}
|
|
|
|
// Retrieve a single window property of the specified type
|
|
// Inspired by fghGetWindowProperty from freeglut
|
|
//
|
|
unsigned long _glfwGetWindowProperty(Window window,
|
|
Atom property,
|
|
Atom type,
|
|
unsigned char** value)
|
|
{
|
|
Atom actualType;
|
|
int actualFormat;
|
|
unsigned long itemCount, bytesAfter;
|
|
|
|
XGetWindowProperty(_glfw.x11.display,
|
|
window,
|
|
property,
|
|
0,
|
|
LONG_MAX,
|
|
False,
|
|
type,
|
|
&actualType,
|
|
&actualFormat,
|
|
&itemCount,
|
|
&bytesAfter,
|
|
value);
|
|
|
|
if (type != AnyPropertyType && actualType != type)
|
|
return 0;
|
|
|
|
return itemCount;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW platform API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
int _glfwPlatformCreateWindow(_GLFWwindow* window,
|
|
const _GLFWwndconfig* wndconfig,
|
|
const _GLFWfbconfig* fbconfig)
|
|
{
|
|
if (!_glfwCreateContext(window, wndconfig, fbconfig))
|
|
return GL_FALSE;
|
|
|
|
if (!createWindow(window, wndconfig))
|
|
return GL_FALSE;
|
|
|
|
if (wndconfig->monitor)
|
|
{
|
|
_glfwPlatformShowWindow(window);
|
|
enterFullscreenMode(window);
|
|
}
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
void _glfwPlatformDestroyWindow(_GLFWwindow* window)
|
|
{
|
|
if (window->monitor)
|
|
leaveFullscreenMode(window);
|
|
|
|
_glfwDestroyContext(window);
|
|
|
|
if (window->x11.handle)
|
|
{
|
|
if (window->x11.handle ==
|
|
XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD))
|
|
{
|
|
_glfwPushSelectionToManager(window);
|
|
}
|
|
|
|
XDeleteContext(_glfw.x11.display, window->x11.handle, _glfw.x11.context);
|
|
XUnmapWindow(_glfw.x11.display, window->x11.handle);
|
|
XDestroyWindow(_glfw.x11.display, window->x11.handle);
|
|
window->x11.handle = (Window) 0;
|
|
}
|
|
|
|
if (window->x11.colormap)
|
|
{
|
|
XFreeColormap(_glfw.x11.display, window->x11.colormap);
|
|
window->x11.colormap = (Colormap) 0;
|
|
}
|
|
}
|
|
|
|
void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
|
|
{
|
|
#if defined(X_HAVE_UTF8_STRING)
|
|
Xutf8SetWMProperties(_glfw.x11.display,
|
|
window->x11.handle,
|
|
title, title,
|
|
NULL, 0,
|
|
NULL, NULL, NULL);
|
|
#else
|
|
// This may be a slightly better fallback than using XStoreName and
|
|
// XSetIconName, which always store their arguments using STRING
|
|
XmbSetWMProperties(_glfw.x11.display,
|
|
window->x11.handle,
|
|
title, title,
|
|
NULL, 0,
|
|
NULL, NULL, NULL);
|
|
#endif
|
|
|
|
if (_glfw.x11.NET_WM_NAME)
|
|
{
|
|
XChangeProperty(_glfw.x11.display, window->x11.handle,
|
|
_glfw.x11.NET_WM_NAME, _glfw.x11.UTF8_STRING, 8,
|
|
PropModeReplace,
|
|
(unsigned char*) title, strlen(title));
|
|
}
|
|
|
|
if (_glfw.x11.NET_WM_ICON_NAME)
|
|
{
|
|
XChangeProperty(_glfw.x11.display, window->x11.handle,
|
|
_glfw.x11.NET_WM_ICON_NAME, _glfw.x11.UTF8_STRING, 8,
|
|
PropModeReplace,
|
|
(unsigned char*) title, strlen(title));
|
|
}
|
|
}
|
|
|
|
void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
|
|
{
|
|
Window child;
|
|
int x, y;
|
|
|
|
XTranslateCoordinates(_glfw.x11.display, window->x11.handle, _glfw.x11.root,
|
|
0, 0, &x, &y, &child);
|
|
|
|
if (child)
|
|
{
|
|
int left, top;
|
|
XTranslateCoordinates(_glfw.x11.display, window->x11.handle, child,
|
|
0, 0, &left, &top, &child);
|
|
|
|
x -= left;
|
|
y -= top;
|
|
}
|
|
|
|
if (xpos)
|
|
*xpos = x;
|
|
if (ypos)
|
|
*ypos = y;
|
|
}
|
|
|
|
void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
|
|
{
|
|
XMoveWindow(_glfw.x11.display, window->x11.handle, xpos, ypos);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
|
|
{
|
|
XWindowAttributes attribs;
|
|
XGetWindowAttributes(_glfw.x11.display, window->x11.handle, &attribs);
|
|
|
|
if (width)
|
|
*width = attribs.width;
|
|
if (height)
|
|
*height = attribs.height;
|
|
}
|
|
|
|
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
|
|
{
|
|
if (window->monitor)
|
|
{
|
|
_glfwSetVideoMode(window->monitor, &window->videoMode);
|
|
|
|
if (window->x11.overrideRedirect)
|
|
{
|
|
GLFWvidmode mode;
|
|
_glfwPlatformGetVideoMode(window->monitor, &mode);
|
|
XResizeWindow(_glfw.x11.display, window->x11.handle,
|
|
mode.width, mode.height);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!window->resizable)
|
|
{
|
|
// Update window size restrictions to match new window size
|
|
|
|
XSizeHints* hints = XAllocSizeHints();
|
|
|
|
hints->flags |= (PMinSize | PMaxSize);
|
|
hints->min_width = hints->max_width = width;
|
|
hints->min_height = hints->max_height = height;
|
|
|
|
XSetWMNormalHints(_glfw.x11.display, window->x11.handle, hints);
|
|
XFree(hints);
|
|
}
|
|
|
|
XResizeWindow(_glfw.x11.display, window->x11.handle, width, height);
|
|
}
|
|
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
|
|
{
|
|
_glfwPlatformGetWindowSize(window, width, height);
|
|
}
|
|
|
|
void _glfwPlatformIconifyWindow(_GLFWwindow* window)
|
|
{
|
|
if (window->x11.overrideRedirect)
|
|
{
|
|
// Override-redirect windows cannot be iconified or restored, as those
|
|
// tasks are performed by the window manager
|
|
_glfwInputError(GLFW_API_UNAVAILABLE,
|
|
"X11: Iconification of full screen windows requires "
|
|
"a WM that supports EWMH");
|
|
return;
|
|
}
|
|
|
|
XIconifyWindow(_glfw.x11.display, window->x11.handle, _glfw.x11.screen);
|
|
}
|
|
|
|
void _glfwPlatformRestoreWindow(_GLFWwindow* window)
|
|
{
|
|
if (window->x11.overrideRedirect)
|
|
{
|
|
// Override-redirect windows cannot be iconified or restored, as those
|
|
// tasks are performed by the window manager
|
|
_glfwInputError(GLFW_API_UNAVAILABLE,
|
|
"X11: Iconification of full screen windows requires "
|
|
"a WM that supports EWMH");
|
|
return;
|
|
}
|
|
|
|
XMapWindow(_glfw.x11.display, window->x11.handle);
|
|
}
|
|
|
|
void _glfwPlatformShowWindow(_GLFWwindow* window)
|
|
{
|
|
XMapRaised(_glfw.x11.display, window->x11.handle);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
void _glfwPlatformHideWindow(_GLFWwindow* window)
|
|
{
|
|
XUnmapWindow(_glfw.x11.display, window->x11.handle);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
void _glfwPlatformPollEvents(void)
|
|
{
|
|
int count = XPending(_glfw.x11.display);
|
|
while (count--)
|
|
{
|
|
XEvent event;
|
|
XNextEvent(_glfw.x11.display, &event);
|
|
processEvent(&event);
|
|
}
|
|
|
|
_GLFWwindow* window = _glfw.focusedWindow;
|
|
if (window && window->cursorMode == GLFW_CURSOR_DISABLED)
|
|
{
|
|
int width, height;
|
|
_glfwPlatformGetWindowSize(window, &width, &height);
|
|
_glfwPlatformSetCursorPos(window, width / 2, height / 2);
|
|
}
|
|
}
|
|
|
|
void _glfwPlatformWaitEvents(void)
|
|
{
|
|
if (!XPending(_glfw.x11.display))
|
|
{
|
|
fd_set fds;
|
|
const int fd = ConnectionNumber(_glfw.x11.display);
|
|
|
|
FD_ZERO(&fds);
|
|
FD_SET(fd, &fds);
|
|
|
|
// select(1) is used instead of an X function like XNextEvent, as the
|
|
// wait inside those are guarded by the mutex protecting the display
|
|
// struct, locking out other threads from using X (including GLX)
|
|
if (select(fd + 1, &fds, NULL, NULL, NULL) < 0)
|
|
return;
|
|
}
|
|
|
|
_glfwPlatformPollEvents();
|
|
}
|
|
|
|
void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
|
|
{
|
|
// Store the new position so it can be recognized later
|
|
window->x11.warpPosX = (int) x;
|
|
window->x11.warpPosY = (int) y;
|
|
|
|
XWarpPointer(_glfw.x11.display, None, window->x11.handle,
|
|
0,0,0,0, (int) x, (int) y);
|
|
}
|
|
|
|
void _glfwPlatformApplyCursorMode(_GLFWwindow* window)
|
|
{
|
|
switch (window->cursorMode)
|
|
{
|
|
case GLFW_CURSOR_NORMAL:
|
|
restoreCursor(window);
|
|
break;
|
|
case GLFW_CURSOR_HIDDEN:
|
|
hideCursor(window);
|
|
break;
|
|
case GLFW_CURSOR_DISABLED:
|
|
disableCursor(window);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW native API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
GLFWAPI Display* glfwGetX11Display(void)
|
|
{
|
|
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
|
return _glfw.x11.display;
|
|
}
|
|
|
|
GLFWAPI Window glfwGetX11Window(GLFWwindow* handle)
|
|
{
|
|
_GLFWwindow* window = (_GLFWwindow*) handle;
|
|
_GLFW_REQUIRE_INIT_OR_RETURN(None);
|
|
return window->x11.handle;
|
|
}
|
|
|