From 7faa9019fd6638846b0b65eec2f68da6f8159232 Mon Sep 17 00:00:00 2001
From: Jean-Yves Lamoureux <jylam@lnxscene.org>
Date: Sat, 25 Jun 2005 11:27:31 +0000
Subject: [PATCH]  * OpenGL driver mouse support

---
 src/event.c    | 19 +++++++++++++++----
 src/graphics.c | 25 ++++++++++++++++++++++++-
 2 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/src/event.c b/src/event.c
index 0a30148..5d24d59 100644
--- a/src/event.c
+++ b/src/event.c
@@ -64,7 +64,9 @@ extern float gl_font_width;
 extern float gl_font_height;
 extern int gl_new_width;
 extern int gl_new_height;
-
+extern unsigned char gl_mouse_changed, gl_mouse_clicked;
+extern unsigned int gl_mouse_x, gl_mouse_y;
+extern unsigned int gl_mouse_button, gl_mouse_state;
 #endif
 #include "caca.h"
 #include "caca_internals.h"
@@ -746,14 +748,23 @@ static unsigned int _lowlevel_event(void)
 	    {
 	      if(!_caca_resize)
 		{
-
-
 		  _caca_resize = 1;
 		  gl_resized=0;
 		  return CACA_EVENT_RESIZE;
 		}
 	    }
-
+	  if(gl_mouse_changed)
+	    {
+	      if(gl_mouse_clicked)
+		{
+		  event|= CACA_EVENT_MOUSE_PRESS | gl_mouse_button;
+		  gl_mouse_clicked=0;
+		}
+	      mouse_x = gl_mouse_x;
+	      mouse_y = gl_mouse_y;
+	      event |= CACA_EVENT_MOUSE_MOTION | (mouse_x << 12) | mouse_y;
+	      gl_mouse_changed = 0;
+	    }
 	  if(gl_key!=0)
 	    {
 	      event |= CACA_EVENT_KEY_PRESS;
diff --git a/src/graphics.c b/src/graphics.c
index 7008cb0..ad0dc38 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -265,6 +265,9 @@ float gl_font_width, gl_font_height;
 float gl_incx, gl_incy;
 int id[94];
 unsigned char gl_resized=0, gl_bit=0;
+unsigned char gl_mouse_changed=0, gl_mouse_clicked=0;
+unsigned int gl_mouse_x, gl_mouse_y;
+unsigned int gl_mouse_button=0, gl_mouse_state=0;
 #endif
 
 
@@ -324,8 +327,23 @@ static void gl_handle_reshape (int w, int h)
     }
   else
     gl_bit=1;
-
 }
+static void gl_handle_mouse(int button, int state, int x, int y) 
+{
+  gl_mouse_clicked = 1;
+  gl_mouse_button = button;
+  gl_mouse_state = state;
+  gl_mouse_x = x/gl_font_width;
+  gl_mouse_y = y/gl_font_height;
+  gl_mouse_changed = 1;
+}
+static void gl_handle_mouse_motion(int x, int y) 
+{
+  gl_mouse_x = x/gl_font_width;
+  gl_mouse_y = y/gl_font_height;
+  gl_mouse_changed = 1;
+}
+
 #endif
 
 
@@ -1008,6 +1026,11 @@ int _caca_init_graphics(void)
           glutSpecialFunc(gl_handle_special_key);
           glutReshapeFunc(gl_handle_reshape);
 
+	  glutMouseFunc(gl_handle_mouse);
+	  glutMotionFunc(gl_handle_mouse_motion);
+	  glutPassiveMotionFunc(gl_handle_mouse_motion);
+
+
           glLoadIdentity();
 
           glMatrixMode(GL_PROJECTION);