1947 lines
60 KiB
C
1947 lines
60 KiB
C
//========================================================================
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// GLFW 3.1 X11 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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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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#include "internal.h"
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#include <X11/cursorfont.h>
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#include <X11/Xmd.h>
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#include <sys/select.h>
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#include <string.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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// Action for EWMH client messages
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#define _NET_WM_STATE_REMOVE 0
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#define _NET_WM_STATE_ADD 1
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#define _NET_WM_STATE_TOGGLE 2
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// Additional mouse button names for XButtonEvent
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#define Button6 6
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#define Button7 7
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typedef struct
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{
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unsigned long flags;
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unsigned long functions;
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unsigned long decorations;
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long input_mode;
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unsigned long status;
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} MotifWmHints;
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#define MWM_HINTS_DECORATIONS (1L << 1)
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// Returns whether the window is iconified
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//
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static int getWindowState(_GLFWwindow* window)
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{
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int result = WithdrawnState;
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struct {
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CARD32 state;
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Window icon;
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} *state = NULL;
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if (_glfwGetWindowProperty(window->x11.handle,
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_glfw.x11.WM_STATE,
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_glfw.x11.WM_STATE,
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(unsigned char**) &state) >= 2)
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{
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result = state->state;
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}
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XFree(state);
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return result;
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}
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// Returns whether the event is a selection event
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//
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static Bool isFrameExtentsEvent(Display* display, XEvent* event, XPointer pointer)
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{
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_GLFWwindow* window = (_GLFWwindow*) pointer;
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return event->type == PropertyNotify &&
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event->xproperty.state == PropertyNewValue &&
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event->xproperty.window == window->x11.handle &&
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event->xproperty.atom == _glfw.x11.NET_FRAME_EXTENTS;
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}
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// Translates a GLFW standard cursor to a font cursor shape
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//
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static int translateCursorShape(int shape)
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{
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switch (shape)
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{
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case GLFW_ARROW_CURSOR:
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return XC_arrow;
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case GLFW_IBEAM_CURSOR:
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return XC_xterm;
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case GLFW_CROSSHAIR_CURSOR:
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return XC_crosshair;
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case GLFW_HAND_CURSOR:
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return XC_hand1;
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case GLFW_HRESIZE_CURSOR:
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return XC_sb_h_double_arrow;
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case GLFW_VRESIZE_CURSOR:
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return XC_sb_v_double_arrow;
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}
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return 0;
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}
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// Translates an X event modifier state mask
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//
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static int translateState(int state)
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{
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int mods = 0;
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if (state & ShiftMask)
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mods |= GLFW_MOD_SHIFT;
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if (state & ControlMask)
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mods |= GLFW_MOD_CONTROL;
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if (state & Mod1Mask)
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mods |= GLFW_MOD_ALT;
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if (state & Mod4Mask)
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mods |= GLFW_MOD_SUPER;
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return mods;
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}
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// Translates an X Window key to internal coding
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//
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static int translateKey(int scancode)
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{
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// Use the pre-filled LUT (see createKeyTables() in x11_init.c)
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if (scancode < 0 || scancode > 255)
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return GLFW_KEY_UNKNOWN;
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return _glfw.x11.publicKeys[scancode];
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}
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// Return the GLFW window corresponding to the specified X11 window
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//
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static _GLFWwindow* findWindowByHandle(Window handle)
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{
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_GLFWwindow* window;
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if (XFindContext(_glfw.x11.display,
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handle,
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_glfw.x11.context,
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(XPointer*) &window) != 0)
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{
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return NULL;
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}
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return window;
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}
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// Adds or removes an EWMH state to a window
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//
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static void changeWindowState(_GLFWwindow* window, Atom state, int action)
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{
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XEvent event;
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memset(&event, 0, sizeof(event));
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event.type = ClientMessage;
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event.xclient.window = window->x11.handle;
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event.xclient.format = 32; // Data is 32-bit longs
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event.xclient.message_type = _glfw.x11.NET_WM_STATE;
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event.xclient.data.l[0] = action;
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event.xclient.data.l[1] = state;
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event.xclient.data.l[2] = 0; // No secondary property
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event.xclient.data.l[3] = 1; // Sender is a normal application
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XSendEvent(_glfw.x11.display,
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_glfw.x11.root,
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False,
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SubstructureNotifyMask | SubstructureRedirectMask,
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&event);
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}
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// Splits and translates a text/uri-list into separate file paths
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// NOTE: This function destroys the provided string
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//
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static char** parseUriList(char* text, int* count)
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{
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const char* prefix = "file://";
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char** paths = NULL;
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char* line;
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*count = 0;
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while ((line = strtok(text, "\r\n")))
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{
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text = NULL;
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if (line[0] == '#')
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continue;
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if (strncmp(line, prefix, strlen(prefix)) == 0)
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line += strlen(prefix);
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(*count)++;
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char* path = calloc(strlen(line) + 1, 1);
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paths = realloc(paths, *count * sizeof(char*));
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paths[*count - 1] = path;
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while (*line)
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{
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if (line[0] == '%' && line[1] && line[2])
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{
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const char digits[3] = { line[1], line[2], '\0' };
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*path = strtol(digits, NULL, 16);
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line += 2;
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}
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else
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*path = *line;
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path++;
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line++;
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}
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}
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return paths;
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}
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// Create the X11 window (and its colormap)
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//
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static GLboolean createWindow(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig)
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{
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unsigned long wamask;
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XSetWindowAttributes wa;
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XVisualInfo* visual = _GLFW_X11_CONTEXT_VISUAL;
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// Every window needs a colormap
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// Create one based on the visual used by the current context
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// TODO: Decouple this from context creation
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window->x11.colormap = XCreateColormap(_glfw.x11.display,
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_glfw.x11.root,
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visual->visual,
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AllocNone);
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// Create the actual window
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{
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wamask = CWBorderPixel | CWColormap | CWEventMask;
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wa.colormap = window->x11.colormap;
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wa.border_pixel = 0;
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wa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask |
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PointerMotionMask | ButtonPressMask | ButtonReleaseMask |
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ExposureMask | FocusChangeMask | VisibilityChangeMask |
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EnterWindowMask | LeaveWindowMask | PropertyChangeMask;
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_glfwGrabXErrorHandler();
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window->x11.handle = XCreateWindow(_glfw.x11.display,
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_glfw.x11.root,
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0, 0,
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wndconfig->width, wndconfig->height,
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0, // Border width
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visual->depth, // Color depth
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InputOutput,
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visual->visual,
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wamask,
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&wa);
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_glfwReleaseXErrorHandler();
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if (!window->x11.handle)
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{
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_glfwInputXError(GLFW_PLATFORM_ERROR,
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"X11: Failed to create window");
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return GL_FALSE;
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}
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if (!wndconfig->decorated)
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{
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MotifWmHints hints;
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hints.flags = MWM_HINTS_DECORATIONS;
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hints.decorations = 0;
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XChangeProperty(_glfw.x11.display, window->x11.handle,
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_glfw.x11.MOTIF_WM_HINTS,
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_glfw.x11.MOTIF_WM_HINTS, 32,
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PropModeReplace,
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(unsigned char*) &hints,
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sizeof(MotifWmHints) / sizeof(long));
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}
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XSaveContext(_glfw.x11.display,
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window->x11.handle,
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_glfw.x11.context,
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(XPointer) window);
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}
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if (window->monitor && !_glfw.x11.hasEWMH)
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{
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// This is the butcher's way of removing window decorations
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// Setting the override-redirect attribute on a window makes the window
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// manager ignore the window completely (ICCCM, section 4)
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// The good thing is that this makes undecorated full screen windows
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// easy to do; the bad thing is that we have to do everything manually
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// and some things (like iconify/restore) won't work at all, as those
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// are tasks usually performed by the window manager
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XSetWindowAttributes attributes;
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attributes.override_redirect = True;
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XChangeWindowAttributes(_glfw.x11.display,
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window->x11.handle,
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CWOverrideRedirect,
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&attributes);
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window->x11.overrideRedirect = GL_TRUE;
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}
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// Declare the WM protocols supported by GLFW
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{
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int count = 0;
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Atom protocols[2];
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// The WM_DELETE_WINDOW ICCCM protocol
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// Basic window close notification protocol
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if (_glfw.x11.WM_DELETE_WINDOW)
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protocols[count++] = _glfw.x11.WM_DELETE_WINDOW;
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// The _NET_WM_PING EWMH protocol
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// Tells the WM to ping the GLFW window and flag the application as
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// unresponsive if the WM doesn't get a reply within a few seconds
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if (_glfw.x11.NET_WM_PING)
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protocols[count++] = _glfw.x11.NET_WM_PING;
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if (count > 0)
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{
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XSetWMProtocols(_glfw.x11.display, window->x11.handle,
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protocols, count);
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}
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}
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if (_glfw.x11.NET_WM_PID)
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{
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const pid_t pid = getpid();
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XChangeProperty(_glfw.x11.display, window->x11.handle,
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_glfw.x11.NET_WM_PID, XA_CARDINAL, 32,
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PropModeReplace,
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(unsigned char*) &pid, 1);
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}
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// Set ICCCM WM_HINTS property
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{
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XWMHints* hints = XAllocWMHints();
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if (!hints)
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{
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_glfwInputError(GLFW_OUT_OF_MEMORY,
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"X11: Failed to allocate WM hints");
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return GL_FALSE;
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}
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hints->flags = StateHint;
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hints->initial_state = NormalState;
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XSetWMHints(_glfw.x11.display, window->x11.handle, hints);
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XFree(hints);
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}
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// Set ICCCM WM_NORMAL_HINTS property (even if no parts are set)
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{
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XSizeHints* hints = XAllocSizeHints();
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hints->flags = 0;
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if (wndconfig->monitor)
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{
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hints->flags |= PPosition;
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_glfwPlatformGetMonitorPos(wndconfig->monitor, &hints->x, &hints->y);
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}
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else
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{
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// HACK: Explicitly setting PPosition to any value causes some WMs,
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// notably Compiz and Metacity, to honor the position of
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// unmapped windows set by XMoveWindow
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hints->flags |= PPosition;
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hints->x = hints->y = 0;
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}
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if (!wndconfig->resizable)
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{
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hints->flags |= (PMinSize | PMaxSize);
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hints->min_width = hints->max_width = wndconfig->width;
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hints->min_height = hints->max_height = wndconfig->height;
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}
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XSetWMNormalHints(_glfw.x11.display, window->x11.handle, hints);
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XFree(hints);
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}
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// Set ICCCM WM_CLASS property
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// HACK: Until a mechanism for specifying the application name is added, the
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// initial window title is used as the window class name
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if (strlen(wndconfig->title))
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{
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XClassHint* hint = XAllocClassHint();
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hint->res_name = (char*) wndconfig->title;
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hint->res_class = (char*) wndconfig->title;
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XSetClassHint(_glfw.x11.display, window->x11.handle, hint);
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XFree(hint);
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}
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#if defined(_GLFW_HAS_XINPUT)
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if (_glfw.x11.xi.available)
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{
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// Select for XInput2 events
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XIEventMask eventmask;
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unsigned char mask[] = { 0 };
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eventmask.deviceid = 2;
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eventmask.mask_len = sizeof(mask);
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eventmask.mask = mask;
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XISetMask(mask, XI_Motion);
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XISelectEvents(_glfw.x11.display, window->x11.handle, &eventmask, 1);
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}
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#endif /*_GLFW_HAS_XINPUT*/
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if (_glfw.x11.XdndAware)
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{
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// Announce support for Xdnd (drag and drop)
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const Atom version = 5;
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XChangeProperty(_glfw.x11.display, window->x11.handle,
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_glfw.x11.XdndAware, XA_ATOM, 32,
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PropModeReplace, (unsigned char*) &version, 1);
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}
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if (_glfw.x11.NET_REQUEST_FRAME_EXTENTS)
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{
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// Ensure _NET_FRAME_EXTENTS is set, allowing glfwGetWindowFrameSize to
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// function before the window is mapped
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XEvent event;
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memset(&event, 0, sizeof(event));
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event.type = ClientMessage;
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event.xclient.window = window->x11.handle;
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event.xclient.format = 32; // Data is 32-bit longs
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event.xclient.message_type = _glfw.x11.NET_REQUEST_FRAME_EXTENTS;
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XSendEvent(_glfw.x11.display,
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_glfw.x11.root,
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False,
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SubstructureNotifyMask | SubstructureRedirectMask,
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&event);
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XIfEvent(_glfw.x11.display, &event, isFrameExtentsEvent, (XPointer) window);
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}
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if (wndconfig->floating && !wndconfig->monitor)
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{
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if (_glfw.x11.NET_WM_STATE && _glfw.x11.NET_WM_STATE_ABOVE)
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{
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changeWindowState(window,
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_glfw.x11.NET_WM_STATE_ABOVE,
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_NET_WM_STATE_ADD);
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}
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}
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_glfwPlatformSetWindowTitle(window, wndconfig->title);
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XRRSelectInput(_glfw.x11.display, window->x11.handle,
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RRScreenChangeNotifyMask);
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if (_glfw.x11.im)
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{
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window->x11.ic = XCreateIC(_glfw.x11.im,
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XNInputStyle,
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XIMPreeditNothing | XIMStatusNothing,
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XNClientWindow,
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window->x11.handle,
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XNFocusWindow,
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window->x11.handle,
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NULL);
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}
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_glfwPlatformGetWindowPos(window, &window->x11.xpos, &window->x11.ypos);
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_glfwPlatformGetWindowSize(window, &window->x11.width, &window->x11.height);
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return GL_TRUE;
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}
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// Hide the mouse cursor
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//
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static void hideCursor(_GLFWwindow* window)
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{
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XUngrabPointer(_glfw.x11.display, CurrentTime);
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XDefineCursor(_glfw.x11.display, window->x11.handle, _glfw.x11.cursor);
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}
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// Disable the mouse cursor
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//
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static void disableCursor(_GLFWwindow* window)
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{
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XGrabPointer(_glfw.x11.display, window->x11.handle, True,
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ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
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GrabModeAsync, GrabModeAsync,
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window->x11.handle, _glfw.x11.cursor, CurrentTime);
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}
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// Restores the mouse cursor
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//
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static void restoreCursor(_GLFWwindow* window)
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{
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XUngrabPointer(_glfw.x11.display, CurrentTime);
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if (window->cursor)
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{
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XDefineCursor(_glfw.x11.display, window->x11.handle,
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window->cursor->x11.handle);
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}
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else
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XUndefineCursor(_glfw.x11.display, window->x11.handle);
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}
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// Returns whether the event is a selection event
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//
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static Bool isSelectionEvent(Display* display, XEvent* event, XPointer pointer)
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{
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return event->type == SelectionRequest ||
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event->type == SelectionNotify ||
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event->type == SelectionClear;
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}
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// Set the specified property to the selection converted to the requested target
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//
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static Atom writeTargetToProperty(const XSelectionRequestEvent* request)
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{
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int i;
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const Atom formats[] = { _glfw.x11.UTF8_STRING,
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_glfw.x11.COMPOUND_STRING,
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XA_STRING };
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const int formatCount = sizeof(formats) / sizeof(formats[0]);
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|
|
|
if (request->property == None)
|
|
{
|
|
// The requester is a legacy client (ICCCM section 2.2)
|
|
// We don't support legacy clients, so fail here
|
|
return None;
|
|
}
|
|
|
|
if (request->target == _glfw.x11.TARGETS)
|
|
{
|
|
// The list of supported targets was requested
|
|
|
|
const Atom targets[] = { _glfw.x11.TARGETS,
|
|
_glfw.x11.MULTIPLE,
|
|
_glfw.x11.UTF8_STRING,
|
|
_glfw.x11.COMPOUND_STRING,
|
|
XA_STRING };
|
|
|
|
XChangeProperty(_glfw.x11.display,
|
|
request->requestor,
|
|
request->property,
|
|
XA_ATOM,
|
|
32,
|
|
PropModeReplace,
|
|
(unsigned char*) targets,
|
|
sizeof(targets) / sizeof(targets[0]));
|
|
|
|
return request->property;
|
|
}
|
|
|
|
if (request->target == _glfw.x11.MULTIPLE)
|
|
{
|
|
// Multiple conversions were requested
|
|
|
|
Atom* targets;
|
|
unsigned long i, count;
|
|
|
|
count = _glfwGetWindowProperty(request->requestor,
|
|
request->property,
|
|
_glfw.x11.ATOM_PAIR,
|
|
(unsigned char**) &targets);
|
|
|
|
for (i = 0; i < count; i += 2)
|
|
{
|
|
int j;
|
|
|
|
for (j = 0; j < formatCount; j++)
|
|
{
|
|
if (targets[i] == formats[j])
|
|
break;
|
|
}
|
|
|
|
if (j < formatCount)
|
|
{
|
|
XChangeProperty(_glfw.x11.display,
|
|
request->requestor,
|
|
targets[i + 1],
|
|
targets[i],
|
|
8,
|
|
PropModeReplace,
|
|
(unsigned char*) _glfw.x11.clipboardString,
|
|
strlen(_glfw.x11.clipboardString));
|
|
}
|
|
else
|
|
targets[i + 1] = None;
|
|
}
|
|
|
|
XChangeProperty(_glfw.x11.display,
|
|
request->requestor,
|
|
request->property,
|
|
_glfw.x11.ATOM_PAIR,
|
|
32,
|
|
PropModeReplace,
|
|
(unsigned char*) targets,
|
|
count);
|
|
|
|
XFree(targets);
|
|
|
|
return request->property;
|
|
}
|
|
|
|
if (request->target == _glfw.x11.SAVE_TARGETS)
|
|
{
|
|
// The request is a check whether we support SAVE_TARGETS
|
|
// It should be handled as a no-op side effect target
|
|
|
|
XChangeProperty(_glfw.x11.display,
|
|
request->requestor,
|
|
request->property,
|
|
_glfw.x11.NULL_,
|
|
32,
|
|
PropModeReplace,
|
|
NULL,
|
|
0);
|
|
|
|
return request->property;
|
|
}
|
|
|
|
// Conversion to a data target was requested
|
|
|
|
for (i = 0; i < formatCount; i++)
|
|
{
|
|
if (request->target == formats[i])
|
|
{
|
|
// The requested target is one we support
|
|
|
|
XChangeProperty(_glfw.x11.display,
|
|
request->requestor,
|
|
request->property,
|
|
request->target,
|
|
8,
|
|
PropModeReplace,
|
|
(unsigned char*) _glfw.x11.clipboardString,
|
|
strlen(_glfw.x11.clipboardString));
|
|
|
|
return request->property;
|
|
}
|
|
}
|
|
|
|
// The requested target is not supported
|
|
|
|
return None;
|
|
}
|
|
|
|
static void handleSelectionClear(XEvent* event)
|
|
{
|
|
free(_glfw.x11.clipboardString);
|
|
_glfw.x11.clipboardString = NULL;
|
|
}
|
|
|
|
static void handleSelectionRequest(XEvent* event)
|
|
{
|
|
const XSelectionRequestEvent* request = &event->xselectionrequest;
|
|
|
|
XEvent response;
|
|
memset(&response, 0, sizeof(response));
|
|
|
|
response.xselection.property = writeTargetToProperty(request);
|
|
response.xselection.type = SelectionNotify;
|
|
response.xselection.display = request->display;
|
|
response.xselection.requestor = request->requestor;
|
|
response.xselection.selection = request->selection;
|
|
response.xselection.target = request->target;
|
|
response.xselection.time = request->time;
|
|
|
|
XSendEvent(_glfw.x11.display, request->requestor, False, 0, &response);
|
|
}
|
|
|
|
static void pushSelectionToManager(_GLFWwindow* window)
|
|
{
|
|
XConvertSelection(_glfw.x11.display,
|
|
_glfw.x11.CLIPBOARD_MANAGER,
|
|
_glfw.x11.SAVE_TARGETS,
|
|
None,
|
|
window->x11.handle,
|
|
CurrentTime);
|
|
|
|
for (;;)
|
|
{
|
|
XEvent event;
|
|
|
|
if (!XCheckIfEvent(_glfw.x11.display, &event, isSelectionEvent, NULL))
|
|
continue;
|
|
|
|
switch (event.type)
|
|
{
|
|
case SelectionRequest:
|
|
handleSelectionRequest(&event);
|
|
break;
|
|
|
|
case SelectionClear:
|
|
handleSelectionClear(&event);
|
|
break;
|
|
|
|
case SelectionNotify:
|
|
{
|
|
if (event.xselection.target == _glfw.x11.SAVE_TARGETS)
|
|
{
|
|
// This means one of two things; either the selection was
|
|
// not owned, which means there is no clipboard manager, or
|
|
// the transfer to the clipboard manager has completed
|
|
// In either case, it means we are done here
|
|
return;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Enter full screen 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.xinerama.available && _glfw.x11.NET_WM_FULLSCREEN_MONITORS)
|
|
{
|
|
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_FULLSCREEN_MONITORS;
|
|
event.xclient.data.l[0] = window->monitor->x11.index;
|
|
event.xclient.data.l[1] = window->monitor->x11.index;
|
|
event.xclient.data.l[2] = window->monitor->x11.index;
|
|
event.xclient.data.l[3] = window->monitor->x11.index;
|
|
|
|
XSendEvent(_glfw.x11.display,
|
|
_glfw.x11.root,
|
|
False,
|
|
SubstructureNotifyMask | SubstructureRedirectMask,
|
|
&event);
|
|
}
|
|
|
|
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 full screen window
|
|
// Full screen windows are undecorated and, when focused, are kept
|
|
// on top of all other windows
|
|
|
|
changeWindowState(window,
|
|
_glfw.x11.NET_WM_STATE_FULLSCREEN,
|
|
_NET_WM_STATE_ADD);
|
|
}
|
|
else if (window->x11.overrideRedirect)
|
|
{
|
|
// In override-redirect mode we have divorced ourselves from the
|
|
// window manager, so we need to do everything manually
|
|
int xpos, ypos;
|
|
GLFWvidmode mode;
|
|
|
|
_glfwPlatformGetMonitorPos(window->monitor, &xpos, &ypos);
|
|
_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, xpos, ypos);
|
|
XResizeWindow(_glfw.x11.display, window->x11.handle,
|
|
mode.width, mode.height);
|
|
}
|
|
}
|
|
|
|
// Leave full screen 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
|
|
|
|
changeWindowState(window,
|
|
_glfw.x11.NET_WM_STATE_FULLSCREEN,
|
|
_NET_WM_STATE_REMOVE);
|
|
}
|
|
}
|
|
|
|
// Process the specified X event
|
|
//
|
|
static void processEvent(XEvent *event)
|
|
{
|
|
_GLFWwindow* window = NULL;
|
|
|
|
if (event->type != GenericEvent)
|
|
{
|
|
window = findWindowByHandle(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 plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
|
|
|
|
if (event->xkey.keycode)
|
|
_glfwInputKey(window, key, event->xkey.keycode, GLFW_PRESS, mods);
|
|
|
|
if (window->x11.ic)
|
|
{
|
|
// Translate keys to characters with XIM input context
|
|
|
|
int i;
|
|
Status status;
|
|
wchar_t buffer[16];
|
|
|
|
if (XFilterEvent(event, None))
|
|
{
|
|
// Discard intermediary (dead key) events for character input
|
|
break;
|
|
}
|
|
|
|
const int count = XwcLookupString(window->x11.ic,
|
|
&event->xkey,
|
|
buffer, sizeof(buffer),
|
|
NULL, &status);
|
|
|
|
for (i = 0; i < count; i++)
|
|
_glfwInputChar(window, buffer[i], mods, plain);
|
|
}
|
|
else
|
|
{
|
|
// Translate keys to characters with fallback lookup table
|
|
|
|
KeySym keysym;
|
|
XLookupString(&event->xkey, NULL, 0, &keysym, NULL);
|
|
|
|
const long character = _glfwKeySym2Unicode(keysym);
|
|
if (character != -1)
|
|
_glfwInputChar(window, character, mods, plain);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case KeyRelease:
|
|
{
|
|
const int key = translateKey(event->xkey.keycode);
|
|
const int mods = translateState(event->xkey.state);
|
|
|
|
if (!_glfw.x11.xkb.detectable)
|
|
{
|
|
// HACK: Key repeat events will arrive as KeyRelease/KeyPress
|
|
// pairs with similar or identical time stamps
|
|
// The key repeat logic in _glfwInputKey expects only key
|
|
// presses to repeat, so detect and discard release events
|
|
if (XEventsQueued(_glfw.x11.display, QueuedAfterReading))
|
|
{
|
|
XEvent nextEvent;
|
|
XPeekEvent(_glfw.x11.display, &nextEvent);
|
|
|
|
if (nextEvent.type == KeyPress &&
|
|
nextEvent.xkey.window == event->xkey.window &&
|
|
nextEvent.xkey.keycode == event->xkey.keycode)
|
|
{
|
|
// HACK: Repeat events sometimes leak through due to
|
|
// some sort of time drift, so add an epsilon
|
|
// Toshiyuki Takahashi can press a button 16 times
|
|
// per second so it's fairly safe to assume that
|
|
// no human is pressing the key 50 times per
|
|
// second (value is ms)
|
|
if ((nextEvent.xkey.time - event->xkey.time) < 20)
|
|
{
|
|
// This is very likely a server-generated key repeat
|
|
// event, so ignore it
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
_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 - Button1 - 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 - Button1 - 4,
|
|
GLFW_RELEASE,
|
|
mods);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case EnterNotify:
|
|
{
|
|
// HACK: This is a workaround for WMs (KWM, Fluxbox) that otherwise
|
|
// ignore the defined cursor for hidden cursor mode
|
|
if (window->cursorMode == GLFW_CURSOR_HIDDEN)
|
|
hideCursor(window);
|
|
|
|
_glfwInputCursorEnter(window, GL_TRUE);
|
|
break;
|
|
}
|
|
|
|
case LeaveNotify:
|
|
{
|
|
_glfwInputCursorEnter(window, GL_FALSE);
|
|
break;
|
|
}
|
|
|
|
case MotionNotify:
|
|
{
|
|
const int x = event->xmotion.x;
|
|
const int y = event->xmotion.y;
|
|
|
|
if (x != window->x11.warpPosX || y != window->x11.warpPosY)
|
|
{
|
|
// The cursor was moved by something other than GLFW
|
|
|
|
if (window->cursorMode == GLFW_CURSOR_DISABLED)
|
|
{
|
|
if (_glfw.focusedWindow != window)
|
|
break;
|
|
|
|
_glfwInputCursorMotion(window,
|
|
x - window->x11.cursorPosX,
|
|
y - window->x11.cursorPosY);
|
|
}
|
|
else
|
|
_glfwInputCursorMotion(window, x, y);
|
|
}
|
|
|
|
window->x11.cursorPosX = x;
|
|
window->x11.cursorPosY = 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 (event->xclient.message_type == None)
|
|
break;
|
|
|
|
if (event->xclient.message_type == _glfw.x11.WM_PROTOCOLS)
|
|
{
|
|
if (_glfw.x11.WM_DELETE_WINDOW &&
|
|
(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)
|
|
{
|
|
// A drag operation has entered the window
|
|
// TODO: Check if UTF-8 string is supported by the source
|
|
}
|
|
else if (event->xclient.message_type == _glfw.x11.XdndDrop)
|
|
{
|
|
// The drag operation has finished dropping on
|
|
// the window, ask to convert it to a UTF-8 string
|
|
_glfw.x11.xdnd.source = 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.XdndPosition)
|
|
{
|
|
// The drag operation has moved over the window
|
|
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);
|
|
|
|
// Reply that we are ready to copy the dragged data
|
|
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;
|
|
|
|
XSendEvent(_glfw.x11.display, event->xclient.data.l[0],
|
|
False, NoEventMask, &reply);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case SelectionNotify:
|
|
{
|
|
if (event->xselection.property)
|
|
{
|
|
// The converted data from the drag operation has arrived
|
|
char* data;
|
|
const int result =
|
|
_glfwGetWindowProperty(event->xselection.requestor,
|
|
event->xselection.property,
|
|
event->xselection.target,
|
|
(unsigned char**) &data);
|
|
|
|
if (result)
|
|
{
|
|
int i, count;
|
|
char** paths = parseUriList(data, &count);
|
|
|
|
_glfwInputDrop(window, count, (const char**) paths);
|
|
|
|
for (i = 0; i < count; i++)
|
|
free(paths[i]);
|
|
free(paths);
|
|
}
|
|
|
|
XFree(data);
|
|
|
|
XEvent reply;
|
|
memset(&reply, 0, sizeof(reply));
|
|
|
|
reply.type = ClientMessage;
|
|
reply.xclient.window = _glfw.x11.xdnd.source;
|
|
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;
|
|
|
|
// Reply that all is well
|
|
XSendEvent(_glfw.x11.display, _glfw.x11.xdnd.source,
|
|
False, NoEventMask, &reply);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case FocusIn:
|
|
{
|
|
if (event->xfocus.mode == NotifyNormal)
|
|
{
|
|
_glfwInputWindowFocus(window, GL_TRUE);
|
|
|
|
if (window->cursorMode == GLFW_CURSOR_DISABLED)
|
|
disableCursor(window);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case FocusOut:
|
|
{
|
|
if (event->xfocus.mode == NotifyNormal)
|
|
{
|
|
_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)
|
|
{
|
|
const int state = getWindowState(window);
|
|
if (state == IconicState)
|
|
_glfwInputWindowIconify(window, GL_TRUE);
|
|
else if (state == NormalState)
|
|
_glfwInputWindowIconify(window, GL_FALSE);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case SelectionClear:
|
|
{
|
|
handleSelectionClear(event);
|
|
break;
|
|
}
|
|
|
|
case SelectionRequest:
|
|
{
|
|
handleSelectionRequest(event);
|
|
break;
|
|
}
|
|
|
|
case DestroyNotify:
|
|
return;
|
|
|
|
#if defined(_GLFW_HAS_XINPUT)
|
|
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 = findWindowByHandle(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;
|
|
}
|
|
#endif /*_GLFW_HAS_XINPUT*/
|
|
|
|
default:
|
|
{
|
|
switch (event->type - _glfw.x11.randr.eventBase)
|
|
{
|
|
case RRScreenChangeNotify:
|
|
{
|
|
XRRUpdateConfiguration(event);
|
|
break;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW internal API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
// 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 _GLFWctxconfig* ctxconfig,
|
|
const _GLFWfbconfig* fbconfig)
|
|
{
|
|
if (!_glfwCreateContext(window, ctxconfig, 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);
|
|
|
|
if (window->x11.ic)
|
|
{
|
|
XDestroyIC(window->x11.ic);
|
|
window->x11.ic = NULL;
|
|
}
|
|
|
|
_glfwDestroyContext(window);
|
|
|
|
if (window->x11.handle)
|
|
{
|
|
if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) ==
|
|
window->x11.handle)
|
|
{
|
|
pushSelectionToManager(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;
|
|
}
|
|
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
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 _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
|
|
int* left, int* top,
|
|
int* right, int* bottom)
|
|
{
|
|
long* extents = NULL;
|
|
|
|
if (_glfw.x11.NET_FRAME_EXTENTS == None)
|
|
return;
|
|
|
|
if (_glfwGetWindowProperty(window->x11.handle,
|
|
_glfw.x11.NET_FRAME_EXTENTS,
|
|
XA_CARDINAL,
|
|
(unsigned char**) &extents) == 4)
|
|
{
|
|
if (left)
|
|
*left = extents[0];
|
|
if (top)
|
|
*top = extents[2];
|
|
if (right)
|
|
*right = extents[1];
|
|
if (bottom)
|
|
*bottom = extents[3];
|
|
}
|
|
|
|
if (extents)
|
|
XFree(extents);
|
|
}
|
|
|
|
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);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
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);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
void _glfwPlatformShowWindow(_GLFWwindow* window)
|
|
{
|
|
XMapRaised(_glfw.x11.display, window->x11.handle);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
void _glfwPlatformUnhideWindow(_GLFWwindow* window)
|
|
{
|
|
XMapWindow(_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);
|
|
}
|
|
|
|
int _glfwPlatformWindowFocused(_GLFWwindow* window)
|
|
{
|
|
Window focused;
|
|
int state;
|
|
|
|
XGetInputFocus(_glfw.x11.display, &focused, &state);
|
|
return window->x11.handle == focused;
|
|
}
|
|
|
|
int _glfwPlatformWindowIconified(_GLFWwindow* window)
|
|
{
|
|
return getWindowState(window) == IconicState;
|
|
}
|
|
|
|
int _glfwPlatformWindowVisible(_GLFWwindow* window)
|
|
{
|
|
XWindowAttributes wa;
|
|
XGetWindowAttributes(_glfw.x11.display, window->x11.handle, &wa);
|
|
return wa.map_state == IsViewable;
|
|
}
|
|
|
|
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 _glfwPlatformPostEmptyEvent(void)
|
|
{
|
|
XEvent event;
|
|
_GLFWwindow* window = _glfw.windowListHead;
|
|
|
|
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.NULL_;
|
|
|
|
XSendEvent(_glfw.x11.display, window->x11.handle, False, 0, &event);
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
|
|
void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
|
|
{
|
|
Window root, child;
|
|
int rootX, rootY, childX, childY;
|
|
unsigned int mask;
|
|
|
|
XQueryPointer(_glfw.x11.display, window->x11.handle,
|
|
&root, &child,
|
|
&rootX, &rootY, &childX, &childY,
|
|
&mask);
|
|
|
|
if (xpos)
|
|
*xpos = childX;
|
|
if (ypos)
|
|
*ypos = childY;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
|
|
const GLFWimage* image,
|
|
int xhot, int yhot)
|
|
{
|
|
cursor->x11.handle = _glfwCreateCursor(image, xhot, yhot);
|
|
if (!cursor->x11.handle)
|
|
return GL_FALSE;
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
|
|
{
|
|
const unsigned int native = translateCursorShape(shape);
|
|
if (!native)
|
|
{
|
|
_glfwInputError(GLFW_INVALID_ENUM, "X11: Invalid standard cursor");
|
|
return GL_FALSE;
|
|
}
|
|
|
|
cursor->x11.handle = XCreateFontCursor(_glfw.x11.display, native);
|
|
if (!cursor->x11.handle)
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"X11: Failed to create standard cursor");
|
|
return GL_FALSE;
|
|
}
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
|
|
{
|
|
if (cursor->x11.handle)
|
|
XFreeCursor(_glfw.x11.display, cursor->x11.handle);
|
|
}
|
|
|
|
void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
|
|
{
|
|
if (window->cursorMode == GLFW_CURSOR_NORMAL)
|
|
{
|
|
if (cursor)
|
|
XDefineCursor(_glfw.x11.display, window->x11.handle, cursor->x11.handle);
|
|
else
|
|
XUndefineCursor(_glfw.x11.display, window->x11.handle);
|
|
|
|
XFlush(_glfw.x11.display);
|
|
}
|
|
}
|
|
|
|
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
|
|
{
|
|
free(_glfw.x11.clipboardString);
|
|
_glfw.x11.clipboardString = strdup(string);
|
|
|
|
XSetSelectionOwner(_glfw.x11.display,
|
|
_glfw.x11.CLIPBOARD,
|
|
window->x11.handle, CurrentTime);
|
|
|
|
if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) !=
|
|
window->x11.handle)
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"X11: Failed to become owner of the clipboard selection");
|
|
}
|
|
}
|
|
|
|
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
|
|
{
|
|
size_t i;
|
|
const Atom formats[] = { _glfw.x11.UTF8_STRING,
|
|
_glfw.x11.COMPOUND_STRING,
|
|
XA_STRING };
|
|
const size_t formatCount = sizeof(formats) / sizeof(formats[0]);
|
|
|
|
if (findWindowByHandle(XGetSelectionOwner(_glfw.x11.display,
|
|
_glfw.x11.CLIPBOARD)))
|
|
{
|
|
// Instead of doing a large number of X round-trips just to put this
|
|
// string into a window property and then read it back, just return it
|
|
return _glfw.x11.clipboardString;
|
|
}
|
|
|
|
free(_glfw.x11.clipboardString);
|
|
_glfw.x11.clipboardString = NULL;
|
|
|
|
for (i = 0; i < formatCount; i++)
|
|
{
|
|
char* data;
|
|
XEvent event;
|
|
|
|
XConvertSelection(_glfw.x11.display,
|
|
_glfw.x11.CLIPBOARD,
|
|
formats[i],
|
|
_glfw.x11.GLFW_SELECTION,
|
|
window->x11.handle, CurrentTime);
|
|
|
|
// XCheckTypedEvent is used instead of XIfEvent in order not to lock
|
|
// other threads out from the display during the entire wait period
|
|
while (!XCheckTypedEvent(_glfw.x11.display, SelectionNotify, &event))
|
|
;
|
|
|
|
if (event.xselection.property == None)
|
|
continue;
|
|
|
|
if (_glfwGetWindowProperty(event.xselection.requestor,
|
|
event.xselection.property,
|
|
event.xselection.target,
|
|
(unsigned char**) &data))
|
|
{
|
|
_glfw.x11.clipboardString = strdup(data);
|
|
}
|
|
|
|
XFree(data);
|
|
|
|
XDeleteProperty(_glfw.x11.display,
|
|
event.xselection.requestor,
|
|
event.xselection.property);
|
|
|
|
if (_glfw.x11.clipboardString)
|
|
break;
|
|
}
|
|
|
|
if (_glfw.x11.clipboardString == NULL)
|
|
{
|
|
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
|
|
"X11: Failed to convert selection to string");
|
|
}
|
|
|
|
return _glfw.x11.clipboardString;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// 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;
|
|
}
|
|
|