Added DirectFB GLUT implementation.

[mesa.git] / src / glut / directfb / cursor.c

diff --git a/src/glut/directfb/cursor.c b/src/glut/directfb/cursor.c
new file mode 100644 (file)
index 0000000..905fa5e
--- /dev/null
+++ b/src/glut/directfb/cursor.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2006 Claudio Ciccani <klan@users.sf.net>
+ *
+ * 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "internal.h"
+
+#include "cursors.h"
+
+
+void GLUTAPIENTRY
+glutSetCursor( int type )
+{
+     const unsigned char   *cursor;
+     DFBSurfaceDescription  dsc;
+     IDirectFBSurface      *shape;
+     __u8                  *src, *msk;
+     void                  *dst;
+     int                    pitch;
+     int                    x, y;
+     
+     if (!g_current || !g_current->window)
+          return;
+
+     if (g_current->cursor == type)
+          return;
+          
+     switch (type) {
+          case GLUT_CURSOR_RIGHT_ARROW:
+               cursor = &cur_right_arrow[0];
+               break;
+          case GLUT_CURSOR_LEFT_ARROW:
+               cursor = &cur_left_arrow[0];
+               break;
+          case GLUT_CURSOR_INFO:
+               cursor = &cur_info[0];
+               break;
+          case GLUT_CURSOR_DESTROY:
+               cursor = &cur_destroy[0];
+               break;
+          case GLUT_CURSOR_HELP:
+               cursor = &cur_help[0];
+               break;
+          case GLUT_CURSOR_CYCLE:
+               cursor = &cur_cycle[0];
+               break;
+          case GLUT_CURSOR_SPRAY:
+               cursor = &cur_spray[0];
+               break;
+          case GLUT_CURSOR_WAIT:
+               cursor = &cur_wait[0];
+               break;
+          case GLUT_CURSOR_TEXT:
+               cursor = &cur_text[0];
+               break;
+          case GLUT_CURSOR_CROSSHAIR:
+               cursor = &cur_crosshair[0];
+               break;
+          case GLUT_CURSOR_UP_DOWN:
+               cursor = &cur_up_down[0];
+               break;
+          case GLUT_CURSOR_LEFT_RIGHT:
+               cursor = &cur_left_right[0];
+               break;
+          case GLUT_CURSOR_TOP_SIDE:
+               cursor = &cur_top_side[0];
+               break;
+          case GLUT_CURSOR_BOTTOM_SIDE:
+               cursor = &cur_bottom_side[0];
+               break;
+          case GLUT_CURSOR_LEFT_SIDE:
+               cursor = &cur_left_side[0];
+               break;
+          case GLUT_CURSOR_RIGHT_SIDE:
+               cursor = &cur_right_side[0];
+               break;
+          case GLUT_CURSOR_TOP_LEFT_CORNER:
+               cursor = &cur_top_left[0];
+               break;
+          case GLUT_CURSOR_TOP_RIGHT_CORNER:
+               cursor = &cur_top_right[0];
+               break;
+          case GLUT_CURSOR_BOTTOM_RIGHT_CORNER:
+               cursor = &cur_bottom_right[0];
+               break;
+          case GLUT_CURSOR_BOTTOM_LEFT_CORNER:
+               cursor = &cur_bottom_left[0];
+               break;
+          default:
+               cursor = &cur_right_arrow[0];
+               break;
+     }
+
+     dsc.flags       = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT;
+     dsc.width       = cursor[0];
+     dsc.height      = cursor[0];
+     dsc.pixelformat = DSPF_ARGB;
+         
+     if (dfb->CreateSurface( dfb, &dsc, &shape ))
+          return;
+
+     if (shape->Lock( shape, DSLF_WRITE, &dst, &pitch )) {
+          shape->Release( shape );
+          return;
+     }
+     
+     src = (__u8*) &cursor[3];
+     msk = src + cursor[0]*cursor[0]/8;
+          
+     for (y = 0; y < cursor[0]; y++) {
+          for (x = 0; x < cursor[0]; x++) {
+               int p = x & 7;
+               
+               ((__u32*)dst)[x] = ((src[x>>3] & (0x80 >> p)) ? 0 : 0x00ffffff) |
+                                  ((msk[x>>3] & (0x80 >> p)) ? 0xff000000 : 0);
+          }
+               
+          dst += pitch;
+          src += 2;
+          msk += 2;
+     }
+
+     shape->Unlock( shape );
+          
+     g_current->window->SetCursorShape( g_current->window, 
+                                        shape, cursor[1], cursor[2] );          
+     g_current->cursor = type;
+     
+     shape->Release( shape );           
+}
+
+
+void GLUTAPIENTRY
+glutWarpPointer( int x, int y )
+{
+     if (g_current) {
+          if (!g_game) {
+               int wx, wy;
+               g_current->window->GetPosition( g_current->window, &wx, &wy );
+               primary->WarpCursor( primary, wx+x, wy+y );
+          }
+          else {
+               g_current->cx = x;
+               g_current->cy = y;
+          }
+     }
+}
+
+