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Diffstat (limited to 'distrib/sdl-1.2.15/src/video/dga/SDL_dgaevents.c')
-rw-r--r--distrib/sdl-1.2.15/src/video/dga/SDL_dgaevents.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/dga/SDL_dgaevents.c b/distrib/sdl-1.2.15/src/video/dga/SDL_dgaevents.c
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index 0000000..4e6d5f0
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/dga/SDL_dgaevents.c
@@ -0,0 +1,163 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2012 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* Handle the event stream, converting DGA events into SDL events */
+
+#include <stdio.h>
+#include <X11/Xlib.h>
+#include "../Xext/extensions/xf86dga.h"
+
+#include "SDL_timer.h"
+#include "../SDL_sysvideo.h"
+#include "../../events/SDL_events_c.h"
+#include "SDL_dgavideo.h"
+#include "SDL_dgaevents_c.h"
+
+/* get function pointers... */
+#include "../x11/SDL_x11dyn.h"
+
+/* Heheh we're using X11 event code */
+extern int X11_Pending(Display *display);
+extern void X11_InitKeymap(void);
+extern SDLKey X11_TranslateKeycode(Display *display, KeyCode kc);
+
+static int DGA_DispatchEvent(_THIS)
+{
+ int posted;
+ SDL_NAME(XDGAEvent) xevent;
+
+ XNextEvent(DGA_Display, (XEvent *)&xevent);
+
+ posted = 0;
+ xevent.type -= DGA_event_base;
+ switch (xevent.type) {
+
+ /* Mouse motion? */
+ case MotionNotify: {
+ if ( SDL_VideoSurface ) {
+ posted = SDL_PrivateMouseMotion(0, 1,
+ xevent.xmotion.dx, xevent.xmotion.dy);
+ }
+ }
+ break;
+
+ /* Mouse button press? */
+ case ButtonPress: {
+ posted = SDL_PrivateMouseButton(SDL_PRESSED,
+ xevent.xbutton.button, 0, 0);
+ }
+ break;
+
+ /* Mouse button release? */
+ case ButtonRelease: {
+ posted = SDL_PrivateMouseButton(SDL_RELEASED,
+ xevent.xbutton.button, 0, 0);
+ }
+ break;
+
+ /* Key press? */
+ case KeyPress: {
+ SDL_keysym keysym;
+ KeyCode keycode;
+ XKeyEvent xkey;
+
+ SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
+ keycode = xkey.keycode;
+#ifdef DEBUG_XEVENTS
+printf("KeyPress (X11 keycode = 0x%X)\n", xkey.keycode);
+#endif
+ /* Get the translated SDL virtual keysym */
+ keysym.scancode = keycode;
+ keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
+ keysym.mod = KMOD_NONE;
+ keysym.unicode = 0;
+
+ /* Look up the translated value for the key event */
+ if ( SDL_TranslateUNICODE ) {
+ static XComposeStatus state;
+ char keybuf[32];
+
+ if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, &state) ) {
+ /*
+ * FIXME: XLookupString() may yield more than one
+ * character, so we need a mechanism to allow for
+ * this (perhaps null keypress events with a
+ * unicode value)
+ */
+ keysym.unicode = (Uint8)keybuf[0];
+ }
+ }
+ posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
+ }
+ break;
+
+ /* Key release? */
+ case KeyRelease: {
+ SDL_keysym keysym;
+ KeyCode keycode;
+ XKeyEvent xkey;
+
+ SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
+ keycode = xkey.keycode;
+#ifdef DEBUG_XEVENTS
+printf("KeyRelease (X11 keycode = 0x%X)\n", xkey.keycode);
+#endif
+ /* Get the translated SDL virtual keysym */
+ keysym.scancode = keycode;
+ keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
+ keysym.mod = KMOD_NONE;
+ keysym.unicode = 0;
+ posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
+ }
+ break;
+ }
+ return(posted);
+}
+
+void DGA_PumpEvents(_THIS)
+{
+ /* Keep processing pending events */
+ LOCK_DISPLAY();
+
+ /* Update activity every five seconds to prevent screensaver. --ryan. */
+ if (!allow_screensaver) {
+ static Uint32 screensaverTicks;
+ Uint32 nowTicks = SDL_GetTicks();
+ if ((nowTicks - screensaverTicks) > 5000) {
+ XResetScreenSaver(DGA_Display);
+ screensaverTicks = nowTicks;
+ }
+ }
+
+ while ( X11_Pending(DGA_Display) ) {
+ DGA_DispatchEvent(this);
+ }
+
+ UNLOCK_DISPLAY();
+}
+
+void DGA_InitOSKeymap(_THIS)
+{
+ X11_InitKeymap();
+}
+