added 3dengfx into the repo, probably not the correct version for this

[summerhack] / src / 3dengfx / src / fxwt / fxwt_sdl.cpp

diff --git a/src/3dengfx/src/fxwt/fxwt_sdl.cpp b/src/3dengfx/src/fxwt/fxwt_sdl.cpp
new file mode 100644 (file)
index 0000000..e0cd95e
--- /dev/null
+++ b/src/3dengfx/src/fxwt/fxwt_sdl.cpp
@@ -0,0 +1,146 @@
+/*
+This file is part of fxwt, the window system toolkit of 3dengfx.
+
+Copyright (C) 2004, 2005 John Tsiombikas <nuclear@siggraph.org>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/* main fxwt event handling and window system abstraction through SDL.
+ *
+ * Author: John Tsiombikas 2004
+ */
+
+#include "3dengfx_config.h"
+
+#if GFX_LIBRARY == SDL
+
+#include "gfx_library.h"
+#include "fxwt.hpp"
+#include "3dengfx/3denginefx.hpp"
+#include "common/err_msg.h"
+
+#ifdef __unix__
+#include <unistd.h>
+#ifdef _POSIX_PRIORITY_SCHEDULING
+#include <sched.h>
+#endif // _POSIX_PRIORITY_SCHEDULING
+#endif // __unix__
+
+#ifdef WIN32
+#include <windows.h>
+#endif // WIN32
+
+using std::list;
+using namespace fxwt;
+
+static void handle_event(const SDL_Event &event);
+
+Vector2 fxwt::get_mouse_pos_normalized() {
+       int x, y;
+       SDL_GetMouseState(&x, &y);
+
+       return Vector2((scalar_t)x / (scalar_t)screenx, (scalar_t)y / (scalar_t)screeny);
+}
+
+void fxwt::set_window_title(const char *title) {
+       SDL_WM_SetCaption(title, 0);
+}
+
+void fxwt::swap_buffers() {
+       SDL_GL_SwapBuffers();
+#if defined(_POSIX_PRIORITY_SCHEDULING)
+       sched_yield();
+#elif defined(WIN32)
+       Sleep(0);
+#endif
+}
+
+int fxwt::main_loop() {
+       set_verbosity(3);
+       
+       SDL_EnableKeyRepeat(300, 20);
+
+       while(1) {
+               SDL_Event event;
+
+               if(!idle_handlers.empty()) {
+                       while(SDL_PollEvent(&event)) {
+                               handle_event(event);
+                       }
+                       
+                       list<void (*)()>::iterator iter = idle_handlers.begin();
+                       while(iter != idle_handlers.end()) {
+                               (*iter++)();
+                       }
+               } else {
+                       SDL_WaitEvent(&event);
+                       handle_event(event);
+               }
+       }
+
+       return 0;
+}
+
+static void handle_event(const SDL_Event &event) {
+       switch(event.type) {
+       case SDL_KEYDOWN:
+               {
+                       list<void (*)(int)>::iterator iter = keyb_handlers.begin();
+                       while(iter != keyb_handlers.end()) {
+                               (*iter++)(event.key.keysym.sym);
+                       }
+               }
+               break;
+
+       case SDL_VIDEOEXPOSE:
+               {
+                       list<void (*)()>::iterator iter = disp_handlers.begin();
+                       while(iter != disp_handlers.end()) {
+                               (*iter++)();
+                       }
+               }
+               break;
+
+       case SDL_MOUSEMOTION:
+               {
+                       list<void (*)(int, int)>::iterator iter = motion_handlers.begin();
+                       while(iter != motion_handlers.end()) {
+                               (*iter++)(event.motion.x, event.motion.y);
+                       }
+               }
+               break;
+
+       case SDL_MOUSEBUTTONDOWN:
+       case SDL_MOUSEBUTTONUP:
+               {
+                       button_state[event.button.button] = event.button.state;
+                       list<void (*)(int, int, int, int)>::iterator iter = button_handlers.begin();
+                       while(iter != button_handlers.end()) {
+                               (*iter++)(event.button.button, event.button.state == SDL_PRESSED, event.button.x, event.button.y);
+                       }
+               }
+               break;
+
+       case SDL_QUIT:
+               exit(0);
+
+       default:
+               break;
+       }
+}
+
+
+#endif // GFX_LIBRARY == SDL