diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-02-12 03:24:06 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-02-12 03:24:06 +0000 |
| commit | cc27365d775632647a1d07d78203421d27e8cd1c (patch) | |
| tree | 6ead1990c2b13c98e0a2e0060cb2037685e7c820 /src/glut/dos/init.c | |
| parent | bcb148de9201c7f90a68c7c46434e7ebf7204000 (diff) | |
Daniel Borca's GLUT for DOS/DGJPP.
Diffstat (limited to 'src/glut/dos/init.c')
| -rw-r--r-- | src/glut/dos/init.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/glut/dos/init.c b/src/glut/dos/init.c new file mode 100644 index 0000000000..d3f4582170 --- /dev/null +++ b/src/glut/dos/init.c @@ -0,0 +1,168 @@ +/*
+ * Mesa 3-D graphics library
+ * Version: 4.0
+ * Copyright (C) 1995-1998 Brian Paul
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * DOS/DJGPP glut driver v0.1 for Mesa 4.0
+ *
+ * Copyright (C) 2002 - Borca Daniel
+ * Email : dborca@yahoo.com
+ * Web : http://www.geocities.com/dborca
+ */
+
+
+#include <signal.h>
+#include "GL/glut.h"
+#include "internal.h"
+
+
+static void *old_sig_int = NULL;
+
+
+static void signal_handler (int num)
+{
+ signal(SIGINT, old_sig_int);
+
+ raise(num);
+}
+
+
+void APIENTRY glutInit (int *argcp, char **argv)
+{
+ /* Hack alert:
+ only SIGINT (but not Ctrl-Break)
+ calls the destructors and will safely clean up
+ */
+ old_sig_int = signal(SIGINT, signal_handler);
+}
+
+
+void APIENTRY glutInitDisplayMode (unsigned int mode)
+{
+ g_display_mode = mode;
+
+ pc_install_keyb();
+ g_mouse = pc_install_mouse();
+}
+
+
+void APIENTRY glutInitWindowPosition (int x, int y)
+{
+ g_xpos = x;
+ g_ypos = y;
+}
+
+
+void APIENTRY glutInitWindowSize (int width, int height)
+{
+ g_width = width;
+ g_height = height;
+}
+
+
+void APIENTRY glutMainLoop (void)
+{
+ GLboolean idle;
+ static int old_mouse_x = 0;
+ static int old_mouse_y = 0;
+ static int old_mouse_b = 0;
+
+ glutPostRedisplay();
+ if (reshape_func) reshape_func(g_width, g_height);
+ if (visibility_func) visibility_func(GLUT_VISIBLE);
+ if (g_mouse) pc_show_mouse();
+
+ while (GL_TRUE) {
+ idle = GL_TRUE;
+
+ if (g_redisplay && display_func) {
+ idle = GL_FALSE;
+ g_redisplay = GL_FALSE;
+
+ if (g_mouse && !(g_display_mode & GLUT_DOUBLE)) pc_scare_mouse();
+ display_func();
+ if (g_mouse && !(g_display_mode & GLUT_DOUBLE)) pc_unscare_mouse();
+ }
+
+ if (pc_keypressed()) {
+ int key;
+
+ idle = GL_FALSE;
+ key = pc_readkey();
+
+ switch (key>>16) {
+ case KEY_F1: if (special_func) special_func(GLUT_KEY_F1, 0, 0); break;
+ case KEY_F2: if (special_func) special_func(GLUT_KEY_F2, 0, 0); break;
+ case KEY_F3: if (special_func) special_func(GLUT_KEY_F3, 0, 0); break;
+ case KEY_F4: if (special_func) special_func(GLUT_KEY_F4, 0, 0); break;
+ case KEY_F5: if (special_func) special_func(GLUT_KEY_F5, 0, 0); break;
+ case KEY_F6: if (special_func) special_func(GLUT_KEY_F6, 0, 0); break;
+ case KEY_F7: if (special_func) special_func(GLUT_KEY_F7, 0, 0); break;
+ case KEY_F8: if (special_func) special_func(GLUT_KEY_F8, 0, 0); break;
+ case KEY_F9: if (special_func) special_func(GLUT_KEY_F9, 0, 0); break;
+ case KEY_F10: if (special_func) special_func(GLUT_KEY_F10, 0, 0); break;
+ case KEY_F11: if (special_func) special_func(GLUT_KEY_F11, 0, 0); break;
+ case KEY_F12: if (special_func) special_func(GLUT_KEY_F12, 0, 0); break;
+ case KEY_LEFT: if (special_func) special_func(GLUT_KEY_LEFT, 0, 0); break;
+ case KEY_UP: if (special_func) special_func(GLUT_KEY_UP, 0, 0); break;
+ case KEY_RIGHT: if (special_func) special_func(GLUT_KEY_RIGHT, 0, 0); break;
+ case KEY_DOWN: if (special_func) special_func(GLUT_KEY_DOWN, 0, 0); break;
+ case KEY_PGUP: if (special_func) special_func(GLUT_KEY_PAGE_UP, 0, 0); break;
+ case KEY_PGDN: if (special_func) special_func(GLUT_KEY_PAGE_DOWN, 0, 0); break;
+ case KEY_HOME: if (special_func) special_func(GLUT_KEY_HOME, 0, 0); break;
+ case KEY_END: if (special_func) special_func(GLUT_KEY_END, 0, 0); break;
+ case KEY_INSERT: if (special_func) special_func(GLUT_KEY_INSERT, 0, 0); break;
+ default: if (keyboard_func) keyboard_func(key & 0xFF, 0, 0);
+ }
+ }
+
+ if (g_mouse && motion_func && ((pc_mouse_x != old_mouse_x) || (pc_mouse_y != old_mouse_y))) {
+ idle = GL_FALSE;
+ old_mouse_x = pc_mouse_x;
+ old_mouse_y = pc_mouse_y;
+
+ motion_func(old_mouse_x, old_mouse_y);
+ }
+
+ if (g_mouse && mouse_func && (pc_mouse_b != old_mouse_b)) {
+ int new_mouse_b = pc_mouse_b;
+
+ if ((old_mouse_b & 1) && !(new_mouse_b & 1))
+ mouse_func(GLUT_LEFT_BUTTON, GLUT_UP, pc_mouse_x, pc_mouse_y);
+ else if (!(old_mouse_b & 1) && (new_mouse_b & 1))
+ mouse_func(GLUT_LEFT_BUTTON, GLUT_DOWN, pc_mouse_x, pc_mouse_y);
+
+ if ((old_mouse_b & 2) && !(new_mouse_b & 2))
+ mouse_func(GLUT_RIGHT_BUTTON, GLUT_UP, pc_mouse_x, pc_mouse_y);
+ else if (!(old_mouse_b & 2) && (new_mouse_b & 2))
+ mouse_func(GLUT_RIGHT_BUTTON, GLUT_DOWN, pc_mouse_x, pc_mouse_y);
+
+ if ((old_mouse_b & 4) && !(new_mouse_b & 4))
+ mouse_func(GLUT_MIDDLE_BUTTON, GLUT_UP, pc_mouse_x, pc_mouse_y);
+ else if (!(old_mouse_b & 3) && (new_mouse_b & 4))
+ mouse_func(GLUT_MIDDLE_BUTTON, GLUT_DOWN, pc_mouse_x, pc_mouse_y);
+
+ idle = GL_FALSE;
+ old_mouse_b = new_mouse_b;
+ }
+
+ if (idle && idle_func)
+ idle_func();
+ }
+}
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