--- /dev/null
+/*
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Chia-I Wu <olv@lunarg.com>
+ */
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+
+#include "eglutint.h"
+
+void
+_eglutNativeInitDisplay(void)
+{
+ _eglut->native_dpy = XOpenDisplay(_eglut->display_name);
+ if (!_eglut->native_dpy)
+ _eglutFatal("failed to initialize native display");
+
+ _eglut->surface_type = EGL_WINDOW_BIT;
+}
+
+void
+_eglutNativeFiniDisplay(void)
+{
+ XCloseDisplay(_eglut->native_dpy);
+}
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+ int x, int y, int w, int h)
+{
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ Window root, xwin;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ EGLint vid;
+
+ if (!eglGetConfigAttrib(_eglut->dpy,
+ win->config, EGL_NATIVE_VISUAL_ID, &vid))
+ _eglutFatal("failed to get visual id");
+
+ /* The X window visual must match the EGL config */
+ visTemplate.visualid = vid;
+ visInfo = XGetVisualInfo(_eglut->native_dpy,
+ VisualIDMask, &visTemplate, &num_visuals);
+ if (!visInfo)
+ _eglutFatal("failed to get an visual of id 0x%x", vid);
+
+ root = RootWindow(_eglut->native_dpy, DefaultScreen(_eglut->native_dpy));
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ attr.colormap = XCreateColormap(_eglut->native_dpy,
+ root, visInfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ xwin = XCreateWindow(_eglut->native_dpy, root, x, y, w, h,
+ 0, visInfo->depth, InputOutput, visInfo->visual, mask, &attr);
+ if (!xwin)
+ _eglutFatal("failed to create a window");
+
+ XFree(visInfo);
+
+ /* set hints and properties */
+ {
+ XSizeHints sizehints;
+ sizehints.x = x;
+ sizehints.y = y;
+ sizehints.width = w;
+ sizehints.height = h;
+ sizehints.flags = USSize | USPosition;
+ XSetNormalHints(_eglut->native_dpy, xwin, &sizehints);
+ XSetStandardProperties(_eglut->native_dpy, xwin,
+ title, title, None, (char **) NULL, 0, &sizehints);
+ }
+
+ XMapWindow(_eglut->native_dpy, xwin);
+
+ win->native.u.window = xwin;
+ win->native.width = w;
+ win->native.height = h;
+}
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win)
+{
+ XDestroyWindow(_eglut->native_dpy, win->native.u.window);
+}
+
+static int
+lookup_keysym(KeySym sym)
+{
+ int special;
+
+ switch (sym) {
+ case XK_F1:
+ special = EGLUT_KEY_F1;
+ break;
+ case XK_F2:
+ special = EGLUT_KEY_F2;
+ break;
+ case XK_F3:
+ special = EGLUT_KEY_F3;
+ break;
+ case XK_F4:
+ special = EGLUT_KEY_F4;
+ break;
+ case XK_F5:
+ special = EGLUT_KEY_F5;
+ break;
+ case XK_F6:
+ special = EGLUT_KEY_F6;
+ break;
+ case XK_F7:
+ special = EGLUT_KEY_F7;
+ break;
+ case XK_F8:
+ special = EGLUT_KEY_F8;
+ break;
+ case XK_F9:
+ special = EGLUT_KEY_F9;
+ break;
+ case XK_F10:
+ special = EGLUT_KEY_F10;
+ break;
+ case XK_F11:
+ special = EGLUT_KEY_F11;
+ break;
+ case XK_F12:
+ special = EGLUT_KEY_F12;
+ break;
+ case XK_KP_Left:
+ case XK_Left:
+ special = EGLUT_KEY_LEFT;
+ break;
+ case XK_KP_Up:
+ case XK_Up:
+ special = EGLUT_KEY_UP;
+ break;
+ case XK_KP_Right:
+ case XK_Right:
+ special = EGLUT_KEY_RIGHT;
+ break;
+ case XK_KP_Down:
+ case XK_Down:
+ special = EGLUT_KEY_DOWN;
+ break;
+ default:
+ special = -1;
+ break;
+ }
+
+ return special;
+}
+
+static void
+next_event(struct eglut_window *win)
+{
+ int redraw = 0;
+ XEvent event;
+
+ if (!XPending(_eglut->native_dpy)) {
+ /* there is an idle callback */
+ if (_eglut->idle_cb) {
+ _eglut->idle_cb();
+ return;
+ }
+
+ /* the app requests re-display */
+ if (_eglut->redisplay)
+ return;
+ }
+
+ /* block for next event */
+ XNextEvent(_eglut->native_dpy, &event);
+
+ switch (event.type) {
+ case Expose:
+ redraw = 1;
+ break;
+ case ConfigureNotify:
+ win->native.width = event.xconfigure.width;
+ win->native.height = event.xconfigure.height;
+ if (win->reshape_cb)
+ win->reshape_cb(win->native.width, win->native.height);
+ break;
+ case KeyPress:
+ {
+ char buffer[1];
+ KeySym sym;
+ int r;
+
+ r = XLookupString(&event.xkey,
+ buffer, sizeof(buffer), &sym, NULL);
+ if (r && win->keyboard_cb) {
+ win->keyboard_cb(buffer[0]);
+ }
+ else if (!r && win->special_cb) {
+ r = lookup_keysym(sym);
+ if (r >= 0)
+ win->special_cb(r);
+ }
+ }
+ redraw = 1;
+ break;
+ default:
+ ; /*no-op*/
+ }
+
+ _eglut->redisplay = redraw;
+}
+
+void
+_eglutNativeEventLoop(void)
+{
+ while (1) {
+ struct eglut_window *win = _eglut->current;
+
+ next_event(win);
+
+ if (_eglut->redisplay) {
+ _eglut->redisplay = 0;
+
+ if (win->display_cb)
+ win->display_cb();
+ eglSwapBuffers(_eglut->dpy, win->surface);
+ }
+ }
+}
projects / apitrace-tests / blobdiff