X-Git-Url: http://git.mutantstargoat.com?p=winnie;a=blobdiff_plain;f=libwinnie%2Fsrc%2Fsdl%2Fmouse.cc;fp=libwinnie%2Fsrc%2Fsdl%2Fmouse.cc;h=3ba98a062f82613af7d5f0c97e3734ff9d0381c3;hp=0000000000000000000000000000000000000000;hb=7b5d2df884abb7084d71f17cc29a618c0b6f47ef;hpb=b4c8d68e0357683cec82fb8a9c5a4447155b3192

diff --git a/libwinnie/src/sdl/mouse.cc b/libwinnie/src/sdl/mouse.cc
new file mode 100644
index 0000000..3ba98a0
--- /dev/null
+++ b/libwinnie/src/sdl/mouse.cc
@@ -0,0 +1,127 @@
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+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 3 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, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_SDL
+#include <SDL/SDL.h>
+
+#include "mouse.h"
+#include "shalloc.h"
+#include "wm.h"
+#include "window.h"
+#include "winnie.h"
+
+extern SDL_Event sdl_event;
+
+struct Mouse {
+	int pointer_x;
+	int pointer_y;
+	int bnstate;
+};
+
+static Mouse *mouse;
+
+bool init_mouse()
+{
+	if(!(mouse = (Mouse*)sh_malloc(sizeof *mouse))) {
+		return false;
+	}
+	get_subsys()->mouse_offset = (int)((char*)mouse - (char*)get_pool());
+
+	memset(mouse, 0, sizeof *mouse);
+	return true;
+}
+
+void destroy_mouse()
+{
+	sh_free(mouse);
+}
+
+void set_mouse_bounds(const Rect &rect)
+{
+}
+
+int get_mouse_fd()
+{
+	return -1;
+}
+
+void process_mouse_event()
+{
+	int bn;
+	MouseMotionFuncType motion_callback = 0;
+	MouseButtonFuncType button_callback = 0;
+
+	Window *win;
+	if(!(win = wm->get_grab_window())) {
+		win = wm->get_window_at_pos(mouse->pointer_x, mouse->pointer_y);
+		if(win) {
+			wm->set_focused_window(win);
+		}
+		else {
+			wm->set_focused_window(0);
+		}
+	}
+
+	switch(sdl_event.type) {
+	case SDL_MOUSEMOTION:
+		mouse->pointer_x = sdl_event.motion.x;
+		mouse->pointer_y = sdl_event.motion.y;
+		if(win && (motion_callback = win->get_mouse_motion_callback())) {
+			Rect rect = win->get_absolute_rect();
+			motion_callback(win, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
+		}
+		break;
+
+	case SDL_MOUSEBUTTONUP:
+	case SDL_MOUSEBUTTONDOWN:
+		bn = sdl_event.button.button - SDL_BUTTON_LEFT;
+		if(sdl_event.button.state == SDL_PRESSED) {
+			mouse->bnstate |= 1 << bn;
+		}
+		else {
+			mouse->bnstate &= ~(1 << bn);
+		}
+		if(win && (button_callback = win->get_mouse_button_callback())) {
+			Rect rect = win->get_absolute_rect();
+			button_callback(win, bn, sdl_event.button.state, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
+		}
+	}
+}
+
+void get_pointer_pos(int *x, int *y)
+{
+	*x = mouse->pointer_x;
+	*y = mouse->pointer_y;
+}
+
+int get_button_state()
+{
+	return mouse->bnstate;
+}
+
+int get_button(int bn)
+{
+	if(bn < 0 || bn >= 3) {
+		return 0;
+	}
+	return (mouse->bnstate & (1 << bn)) != 0;
+}
+#endif // WINNIE_SDL