1 /***********************************************************
2 * Rocks'n'Diamonds -- McDuffin Strikes Back! *
3 *----------------------------------------------------------*
4 * ©1995 Artsoft Development *
6 * 33659 Bielefeld-Senne *
7 * Telefon: (0521) 493245 *
8 * eMail: aeglos@valinor.owl.de *
9 * aeglos@uni-paderborn.de *
10 * q99492@pbhrzx.uni-paderborn.de *
11 *----------------------------------------------------------*
13 ***********************************************************/
17 #if defined(PLATFORM_MSDOS)
28 /* allegro driver declarations */
29 DECLARE_GFX_DRIVER_LIST(GFX_DRIVER_VBEAF GFX_DRIVER_VESA2L GFX_DRIVER_VESA1)
30 DECLARE_COLOR_DEPTH_LIST(COLOR_DEPTH_8)
31 DECLARE_DIGI_DRIVER_LIST(DIGI_DRIVER_SB)
32 DECLARE_MIDI_DRIVER_LIST()
33 DECLARE_JOYSTICK_DRIVER_LIST(JOYSTICK_DRIVER_STANDARD)
35 /* allegro global variables */
36 extern volatile int key_shifts;
37 extern int num_joysticks;
38 extern JOYSTICK_INFO joy[];
39 extern int i_love_bill;
41 /* internal variables of msdos.c */
42 static boolean keyboard_auto_repeat = TRUE;
43 static int key_press_state[MAX_SCANCODES];
44 static XEvent event_buffer[MAX_EVENT_BUFFER];
45 static int pending_events;
46 static boolean joystick_event;
47 static boolean mouse_installed = FALSE;
48 static int last_mouse_pos;
49 static int last_mouse_b;
50 static int last_joystick_state;
51 static BITMAP* video_bitmap;
53 static RGB global_colormap[MAX_COLORS];
54 static int global_colormap_entries_used = 0;
56 boolean wait_for_vsync;
59 extern int playing_sounds;
60 extern struct SoundControl playlist[MAX_SOUNDS_PLAYING];
61 extern struct SoundControl emptySoundControl;
64 static BITMAP *Read_PCX_to_AllegroBitmap(char *);
66 static void allegro_init_drivers()
70 for (i=0; i<MAX_EVENT_BUFFER; i++)
71 event_buffer[i].type = 0;
73 for (i=0; i<MAX_SCANCODES; i++)
74 key_press_state[i] = KeyReleaseMask;
76 last_mouse_pos = mouse_pos;
82 /* enable Windows friendly timer mode (already default under Windows) */
87 if (install_mouse() > 0)
88 mouse_installed = TRUE;
90 last_joystick_state = 0;
91 joystick_event = FALSE;
94 static boolean allegro_init_audio()
96 reserve_voices(MAX_SOUNDS_PLAYING, 0);
98 if (install_sound(DIGI_AUTODETECT, MIDI_NONE, NULL) == -1)
99 if (install_sound(DIGI_SB, MIDI_NONE, NULL) == -1)
105 static boolean hide_mouse(Display *display, int x, int y,
106 unsigned int width, unsigned int height)
108 if (mouse_x + display->mouse_ptr->w < x || mouse_x > x + width)
110 if (mouse_y + display->mouse_ptr->h < y || mouse_y > y + height)
118 static void unhide_mouse(Display *display)
121 show_mouse(video_bitmap);
124 static KeySym ScancodeToKeySym(byte scancode)
128 case KEY_ESC: return XK_Escape;
129 case KEY_1: return XK_1;
130 case KEY_2: return XK_2;
131 case KEY_3: return XK_3;
132 case KEY_4: return XK_4;
133 case KEY_5: return XK_5;
134 case KEY_6: return XK_6;
135 case KEY_7: return XK_7;
136 case KEY_8: return XK_8;
137 case KEY_9: return XK_9;
138 case KEY_0: return XK_0;
139 case KEY_MINUS: return XK_minus;
140 case KEY_EQUALS: return XK_equal;
141 case KEY_BACKSPACE: return XK_BackSpace;
142 case KEY_TAB: return XK_Tab;
143 case KEY_Q: return XK_q;
144 case KEY_W: return XK_w;
145 case KEY_E: return XK_e;
146 case KEY_R: return XK_r;
147 case KEY_T: return XK_t;
148 case KEY_Y: return XK_y;
149 case KEY_U: return XK_u;
150 case KEY_I: return XK_i;
151 case KEY_O: return XK_o;
152 case KEY_P: return XK_p;
153 case KEY_OPENBRACE: return XK_braceleft;
154 case KEY_CLOSEBRACE: return XK_braceright;
155 case KEY_ENTER: return XK_Return;
156 case KEY_LCONTROL: return XK_Control_L;
157 case KEY_A: return XK_a;
158 case KEY_S: return XK_s;
159 case KEY_D: return XK_d;
160 case KEY_F: return XK_f;
161 case KEY_G: return XK_g;
162 case KEY_H: return XK_h;
163 case KEY_J: return XK_j;
164 case KEY_K: return XK_k;
165 case KEY_L: return XK_l;
166 case KEY_COLON: return XK_colon;
167 case KEY_QUOTE: return XK_apostrophe;
168 case KEY_TILDE: return XK_asciitilde;
169 case KEY_LSHIFT: return XK_Shift_L;
170 case KEY_BACKSLASH: return XK_backslash;
171 case KEY_Z: return XK_z;
172 case KEY_X: return XK_x;
173 case KEY_C: return XK_c;
174 case KEY_V: return XK_v;
175 case KEY_B: return XK_b;
176 case KEY_N: return XK_n;
177 case KEY_M: return XK_m;
178 case KEY_COMMA: return XK_comma;
179 case KEY_STOP: return XK_period;
180 case KEY_SLASH: return XK_slash;
181 case KEY_RSHIFT: return XK_Shift_R;
182 case KEY_ASTERISK: return XK_KP_Multiply;
183 case KEY_ALT: return XK_Alt_L;
184 case KEY_SPACE: return XK_space;
185 case KEY_CAPSLOCK: return XK_Caps_Lock;
186 case KEY_F1: return XK_F1;
187 case KEY_F2: return XK_F2;
188 case KEY_F3: return XK_F3;
189 case KEY_F4: return XK_F4;
190 case KEY_F5: return XK_F5;
191 case KEY_F6: return XK_F6;
192 case KEY_F7: return XK_F7;
193 case KEY_F8: return XK_F8;
194 case KEY_F9: return XK_F9;
195 case KEY_F10: return XK_F10;
196 case KEY_NUMLOCK: return XK_Num_Lock;
197 case KEY_SCRLOCK: return XK_Scroll_Lock;
198 case KEY_HOME: return XK_Home;
199 case KEY_UP: return XK_Up;
200 case KEY_PGUP: return XK_Page_Up;
201 case KEY_MINUS_PAD: return XK_KP_Subtract;
202 case KEY_LEFT: return XK_Left;
203 case KEY_5_PAD: return XK_KP_5;
204 case KEY_RIGHT: return XK_Right;
205 case KEY_PLUS_PAD: return XK_KP_Add;
206 case KEY_END: return XK_End;
207 case KEY_DOWN: return XK_Down;
208 case KEY_PGDN: return XK_Page_Down;
209 case KEY_INSERT: return XK_Insert;
210 case KEY_DEL: return XK_Delete;
211 case KEY_PRTSCR: return XK_Print;
212 case KEY_F11: return XK_F11;
213 case KEY_F12: return XK_F12;
214 case KEY_LWIN: return XK_Meta_L;
215 case KEY_RWIN: return XK_Meta_R;
216 case KEY_MENU: return XK_Menu;
217 case KEY_PAD: return XK_VoidSymbol;
218 case KEY_RCONTROL: return XK_Control_R;
219 case KEY_ALTGR: return XK_Alt_R;
220 case KEY_SLASH2: return XK_KP_Divide;
221 case KEY_PAUSE: return XK_Pause;
223 case NEW_KEY_BACKSLASH: return XK_backslash;
224 case NEW_KEY_1_PAD: return XK_KP_1;
225 case NEW_KEY_2_PAD: return XK_KP_2;
226 case NEW_KEY_3_PAD: return XK_KP_3;
227 case NEW_KEY_4_PAD: return XK_KP_4;
228 case NEW_KEY_5_PAD: return XK_KP_5;
229 case NEW_KEY_6_PAD: return XK_KP_6;
230 case NEW_KEY_7_PAD: return XK_KP_7;
231 case NEW_KEY_8_PAD: return XK_KP_8;
232 case NEW_KEY_9_PAD: return XK_KP_9;
233 case NEW_KEY_0_PAD: return XK_KP_0;
234 case NEW_KEY_STOP_PAD: return XK_KP_Separator;
235 case NEW_KEY_EQUALS_PAD: return XK_KP_Equal;
236 case NEW_KEY_SLASH_PAD: return XK_KP_Divide;
237 case NEW_KEY_ASTERISK_PAD: return XK_KP_Multiply;
238 case NEW_KEY_ENTER_PAD: return XK_KP_Enter;
240 default: return XK_VoidSymbol;
244 void XMapWindow(Display *display, Window window)
247 unsigned int width, height;
250 x = display->screens[display->default_screen].x;
251 y = display->screens[display->default_screen].y;
252 width = display->screens[display->default_screen].width;
253 height = display->screens[display->default_screen].height;
255 mouse_off = hide_mouse(display, x, y, width, height);
256 blit((BITMAP *)window, video_bitmap, 0, 0, x, y, width, height);
259 unhide_mouse(display);
262 static unsigned long AllocColorCell(int r, int g, int b)
264 byte pixel_mapping = 0;
271 /* try to use existing colors from the global colormap */
272 for (i=0; i<global_colormap_entries_used; i++)
274 if (r == global_colormap[i].r &&
275 g == global_colormap[i].g &&
276 b == global_colormap[i].b) /* color found */
283 if (i == global_colormap_entries_used) /* color not found */
285 if (global_colormap_entries_used < MAX_COLORS)
286 global_colormap_entries_used++;
288 global_colormap[i].r = r;
289 global_colormap[i].g = g;
290 global_colormap[i].b = b;
295 return pixel_mapping;
298 Display *XOpenDisplay(char *display_name)
302 BITMAP *mouse_bitmap = NULL;
305 filename = getPath3(options.ro_base_directory, GRAPHICS_DIRECTORY,
308 mouse_bitmap = Read_PCX_to_AllegroBitmap(filename);
311 if (mouse_bitmap == NULL)
314 screen = malloc(sizeof(Screen));
315 display = malloc(sizeof(Display));
320 screen[0].white_pixel = 0xFF;
321 screen[0].black_pixel = 0x00;
323 screen[0].white_pixel = AllocColorCell(0xFFFF, 0xFFFF, 0xFFFF);
324 screen[0].black_pixel = AllocColorCell(0x0000, 0x0000, 0x0000);
326 screen[0].video_bitmap = NULL;
328 display->default_screen = 0;
329 display->screens = screen;
330 display->mouse_ptr = mouse_bitmap;
333 allegro_init_drivers();
336 /* force Windows 95 to switch to fullscreen mode */
337 set_gfx_mode(GFX_AUTODETECT, 320, 200, 0, 0);
339 set_gfx_mode(GFX_AUTODETECT, XRES, YRES, 0, 0);
344 Window XCreateSimpleWindow(Display *display, Window parent, int x, int y,
345 unsigned int width, unsigned int height,
346 unsigned int border_width, unsigned long border,
347 unsigned long background)
349 video_bitmap = create_video_bitmap(XRES, YRES);
350 clear_to_color(video_bitmap, background);
352 display->screens[display->default_screen].video_bitmap = video_bitmap;
353 display->screens[display->default_screen].x = x;
354 display->screens[display->default_screen].y = y;
355 display->screens[display->default_screen].width = XRES;
356 display->screens[display->default_screen].height = YRES;
358 set_mouse_sprite(display->mouse_ptr);
361 set_mouse_sprite_focus(1, 1);
364 set_mouse_speed(1, 1);
365 set_mouse_range(display->screens[display->default_screen].x + 1,
366 display->screens[display->default_screen].y + 1,
367 display->screens[display->default_screen].x + WIN_XSIZE + 1,
368 display->screens[display->default_screen].y + WIN_YSIZE + 1);
370 show_video_bitmap(video_bitmap);
372 return (Window)video_bitmap;
375 Status XStringListToTextProperty(char **list, int count,
376 XTextProperty *text_prop_return)
382 string = malloc(strlen(list[0] + 1));
383 strcpy(string, list[0]);
384 text_prop_return->value = (unsigned char *)string;
388 text_prop_return = NULL;
393 void XFree(void *data)
399 GC XCreateGC(Display *display, Drawable d, unsigned long value_mask,
403 gcv = malloc(sizeof(XGCValues));
404 gcv->foreground = values->foreground;
405 gcv->background = values->background;
406 gcv->graphics_exposures = values->graphics_exposures;
407 gcv->clip_mask = values->clip_mask;
408 gcv->clip_x_origin = values->clip_x_origin;
409 gcv->clip_y_origin = values->clip_y_origin;
410 gcv->value_mask = value_mask;
414 void XSetClipMask(Display *display, GC gc, Pixmap pixmap)
416 XGCValues *gcv = (XGCValues *)gc;
418 gcv->clip_mask = pixmap;
419 gcv->value_mask |= GCClipMask;
422 void XSetClipOrigin(Display *display, GC gc, int x, int y)
424 XGCValues *gcv = (XGCValues *)gc;
426 gcv->clip_x_origin = x;
427 gcv->clip_x_origin = y;
430 void XFillRectangle(Display *display, Drawable d, GC gc, int x, int y,
431 unsigned int width, unsigned int height)
433 boolean mouse_off = FALSE;
435 if ((BITMAP *)d == video_bitmap)
437 x += display->screens[display->default_screen].x;
438 y += display->screens[display->default_screen].y;
439 freeze_mouse_flag = TRUE;
440 mouse_off = hide_mouse(display, x, y, width, height);
443 rectfill((BITMAP *)d, x, y, x + width - 1, y + height - 1,
444 ((XGCValues *)gc)->foreground);
447 unhide_mouse(display);
449 freeze_mouse_flag = FALSE;
452 Pixmap XCreatePixmap(Display *display, Drawable d, unsigned int width,
453 unsigned int height, unsigned int depth)
455 BITMAP *bitmap = NULL;
457 if (gfx_capabilities & GFX_HW_VRAM_BLIT &&
458 width == FXSIZE && height == FYSIZE)
459 bitmap = create_video_bitmap(width, height);
462 bitmap = create_bitmap(width, height);
464 return (Pixmap)bitmap;
467 void XSync(Display *display, Bool discard_events)
469 wait_for_vsync = TRUE;
472 inline void XCopyArea(Display *display, Drawable src, Drawable dest, GC gc,
473 int src_x, int src_y,
474 unsigned int width, unsigned int height,
475 int dest_x, int dest_y)
477 boolean mouse_off = FALSE;
479 if ((BITMAP *)src == video_bitmap)
481 src_x += display->screens[display->default_screen].x;
482 src_y += display->screens[display->default_screen].y;
485 if ((BITMAP *)dest == video_bitmap)
487 dest_x += display->screens[display->default_screen].x;
488 dest_y += display->screens[display->default_screen].y;
489 freeze_mouse_flag = TRUE;
490 mouse_off = hide_mouse(display, dest_x, dest_y, width, height);
495 wait_for_vsync = FALSE;
499 if (((XGCValues *)gc)->value_mask & GCClipMask)
500 masked_blit((BITMAP *)src, (BITMAP *)dest, src_x, src_y, dest_x, dest_y,
503 blit((BITMAP *)src, (BITMAP *)dest, src_x, src_y, dest_x, dest_y,
507 unhide_mouse(display);
509 freeze_mouse_flag = FALSE;
512 static BITMAP *Image_to_AllegroBitmap(Image *image)
515 byte *src_ptr = image->data;
516 byte pixel_mapping[MAX_COLORS];
517 unsigned int depth = 8;
525 /* allocate new allegro bitmap structure */
526 if ((bitmap = create_bitmap_ex(depth, image->width, image->height)) == NULL)
528 errno_pcx = PCX_NoMemory;
534 /* try to use existing colors from the global colormap */
535 for (i=0; i<MAX_COLORS; i++)
542 if (!image->rgb.color_used[i])
547 r = image->rgb.red[i] >> 10;
548 g = image->rgb.green[i] >> 10;
549 b = image->rgb.blue[i] >> 10;
551 for (j=0; j<global_colormap_entries_used; j++)
553 if (r == global_colormap[j].r &&
554 g == global_colormap[j].g &&
555 b == global_colormap[j].b) /* color found */
557 pixel_mapping[i] = j;
562 if (j == global_colormap_entries_used) /* color not found */
564 if (global_colormap_entries_used < MAX_COLORS)
565 global_colormap_entries_used++;
567 global_colormap[j].r = r;
568 global_colormap[j].g = g;
569 global_colormap[j].b = b;
571 pixel_mapping[i] = j;
574 pixel_mapping[i] = AllocColorCell(image->rgb.red[i],
581 /* copy bitmap data */
582 for (y=0; y<image->height; y++)
583 for (x=0; x<image->width; x++)
584 putpixel(bitmap, x, y, pixel_mapping[*src_ptr++]);
589 static BITMAP *Read_PCX_to_AllegroBitmap(char *filename)
594 /* read the graphic file in PCX format to internal image structure */
595 if ((image = Read_PCX_to_Image(filename)) == NULL)
598 /* convert internal image structure to allegro bitmap structure */
599 if ((bitmap = Image_to_AllegroBitmap(image)) == NULL)
602 set_palette(global_colormap);
607 int Read_PCX_to_Pixmap(Display *display, Window window, GC gc, char *filename,
608 Pixmap *pixmap, Pixmap *pixmap_mask)
612 if ((bitmap = Read_PCX_to_AllegroBitmap(filename)) == NULL)
615 *pixmap = (Pixmap)bitmap;
616 *pixmap_mask = (Pixmap)bitmap;
621 int XReadBitmapFile(Display *display, Drawable d, char *filename,
622 unsigned int *width_return, unsigned int *height_return,
623 Pixmap *bitmap_return,
624 int *x_hot_return, int *y_hot_return)
628 if ((bitmap = Read_PCX_to_AllegroBitmap(filename)) == NULL)
629 return BitmapOpenFailed;
631 *width_return = bitmap->w;
632 *height_return = bitmap->h;
635 *bitmap_return = (Pixmap)bitmap;
637 return BitmapSuccess;
640 void XFreePixmap(Display *display, Pixmap pixmap)
642 if (pixmap != DUMMY_MASK &&
643 (is_memory_bitmap((BITMAP *)pixmap) ||
644 is_screen_bitmap((BITMAP *)pixmap)))
645 destroy_bitmap((BITMAP *)pixmap);
648 void XFreeGC(Display *display, GC gc)
652 gcv = (XGCValues *)gc;
657 void XCloseDisplay(Display *display)
659 BITMAP *bitmap = video_bitmap;
661 if (is_screen_bitmap(bitmap))
662 destroy_bitmap(bitmap);
664 if (display->screens)
665 free(display->screens);
670 /* return to text mode (or DOS box on Windows screen) */
671 set_gfx_mode(GFX_TEXT, 0, 0, 0, 0);
674 void XNextEvent(Display *display, XEvent *event_return)
676 while (!pending_events)
679 memcpy(event_return, &event_buffer[pending_events], sizeof(XEvent));
683 static void NewKeyEvent(int key_press_state, KeySym keysym)
687 if (pending_events >= MAX_EVENT_BUFFER)
691 xkey = (XKeyEvent *)&event_buffer[pending_events];
692 xkey->type = key_press_state;
693 xkey->state = (unsigned int)keysym;
696 #define HANDLE_RAW_KB_ALL_KEYS 0
697 #define HANDLE_RAW_KB_MODIFIER_KEYS_ONLY 1
699 static int modifier_scancode[] =
715 static void HandleKeyboardRaw(int mode)
719 for (i=0; i<MAX_SCANCODES; i++)
721 int scancode, new_state, event_type;
724 if (mode == HANDLE_RAW_KB_MODIFIER_KEYS_ONLY)
726 if ((scancode = modifier_scancode[i]) == -1)
732 key_pressed = key[scancode];
733 new_state = (key_pressed ? KeyPressMask : KeyReleaseMask);
734 event_type = (key_pressed ? KeyPress : KeyRelease);
736 if (key_press_state[i] == new_state) /* state not changed */
739 key_press_state[i] = new_state;
741 NewKeyEvent(event_type, ScancodeToKeySym(scancode));
745 static void HandleKeyboardEvent()
749 int key_info = readkey();
750 int scancode = (key_info >> 8);
751 int ascii = (key_info & 0xff);
752 KeySym keysym = ScancodeToKeySym(scancode);
754 if (scancode == KEY_PAD)
756 /* keys on the numeric keypad return just scancode 'KEY_PAD'
757 for some reason, so we must handle them separately */
759 if (ascii >= '0' && ascii <= '9')
760 keysym = XK_KP_0 + (KeySym)(ascii - '0');
761 else if (ascii == '.')
762 keysym = XK_KP_Separator;
764 else if (ascii >= ' ' && ascii <= 'Z')
765 keysym = XK_space + (KeySym)(ascii - ' ');
766 else if (ascii == '^')
767 keysym = XK_asciicircum;
768 else if (ascii == '_')
769 keysym = XK_underscore;
770 else if (ascii == 'Ä')
771 keysym = XK_Adiaeresis;
772 else if (ascii == 'Ö')
773 keysym = XK_Odiaeresis;
774 else if (ascii == 'Ü')
775 keysym = XK_Udiaeresis;
776 else if (ascii == 'ä')
777 keysym = XK_adiaeresis;
778 else if (ascii == 'ö')
779 keysym = XK_odiaeresis;
780 else if (ascii == 'ü')
781 keysym = XK_udiaeresis;
782 else if (ascii == 'ß')
785 NewKeyEvent(KeyPress, keysym);
787 else if (key_shifts & (KB_SHIFT_FLAG | KB_CTRL_FLAG | KB_ALT_FLAG))
789 /* the allegro function keypressed() does not give us single pressed
790 modifier keys, so we must detect them with the internal global
791 allegro variable 'key_shifts' and then handle them separately */
793 HandleKeyboardRaw(HANDLE_RAW_KB_MODIFIER_KEYS_ONLY);
797 int XPending(Display *display)
799 XButtonEvent *xbutton;
800 XMotionEvent *xmotion;
803 /* When using 'HandleKeyboardRaw()', keyboard input is also stored in
804 the allegro keyboard input buffer and would be available a second
805 time by calling 'HandleKeyboardEvent()'. To avoid double keyboard
806 events, the allegro function 'clear_keybuf()' must be called each
807 time when switching from calling 'HandleKeyboardRaw()' to calling
808 'HandleKeyboardEvent()' to get keyboard input, which is actually
809 done by 'XAutoRepeatOn()' which sets keyboard_auto_repeat to TRUE. */
812 if (keyboard_auto_repeat)
813 HandleKeyboardEvent();
815 HandleKeyboardRaw(HANDLE_RAW_KB_ALL_KEYS);
817 /* mouse motion event */
818 if (mouse_pos != last_mouse_pos)
820 last_mouse_pos = mouse_pos;
822 xmotion = (XMotionEvent *)&event_buffer[pending_events];
823 xmotion->type = MotionNotify;
824 xmotion->x = mouse_x - display->screens[display->default_screen].x;
825 xmotion->y = mouse_y - display->screens[display->default_screen].y;
828 /* mouse button event */
829 if (mouse_b != last_mouse_b)
831 for (i=0; i<3; i++) /* check all three mouse buttons */
833 int bitmask = (1 << i);
835 if ((last_mouse_b & bitmask) != (mouse_b & bitmask))
837 int mapping[3] = { 1, 3, 2 };
840 xbutton = (XButtonEvent *)&event_buffer[pending_events];
841 xbutton->type = (mouse_b & bitmask ? ButtonPress : ButtonRelease);
842 xbutton->button = mapping[i];
843 xbutton->x = mouse_x - display->screens[display->default_screen].x;
844 xbutton->y = mouse_y - display->screens[display->default_screen].y;
847 last_mouse_b = mouse_b;
850 return pending_events;
853 KeySym XLookupKeysym(XKeyEvent *key_event, int index)
855 return key_event->state;
858 int XLookupString(XKeyEvent *key_event, char *buffer, int buffer_size,
859 KeySym *key, XComposeStatus *compose)
861 *key = key_event->state;
865 void XSetForeground(Display *display, GC gc, unsigned long pixel)
867 XGCValues *gcv = (XGCValues *)gc;
869 gcv->foreground = pixel;
872 void XDrawLine(Display *display, Drawable d, GC gc,
873 int x1, int y1, int x2, int y2)
875 XGCValues *gcv = (XGCValues *)gc;
876 boolean mouse_off = FALSE;
878 if ((BITMAP *)d == video_bitmap)
880 x1 += display->screens[display->default_screen].x;
881 y1 += display->screens[display->default_screen].y;
882 x2 += display->screens[display->default_screen].x;
883 y2 += display->screens[display->default_screen].y;
884 freeze_mouse_flag = TRUE;
885 mouse_off = hide_mouse(display, MIN(x1, x2), MIN(y1, y2),
886 MAX(x1, x2) - MIN(x1, x2),
887 MAX(y1, y2) - MIN(y1, y2));
890 line((BITMAP *)d, x1, y1, x2, y2, gcv->foreground);
893 unhide_mouse(display);
895 freeze_mouse_flag = FALSE;
898 void XDestroyImage(XImage *ximage)
902 Bool XQueryPointer(Display *display, Window window,
903 Window *root, Window *child, int *root_x, int *root_y,
904 int *win_x, int *win_y, unsigned int *mask)
906 *win_x = mouse_x - display->screens[display->default_screen].x;
907 *win_y = mouse_y - display->screens[display->default_screen].y;
912 void XAutoRepeatOn(Display *display)
914 keyboard_auto_repeat = TRUE;
918 void XAutoRepeatOff(Display *display)
920 keyboard_auto_repeat = FALSE;
923 boolean MSDOSOpenAudio(void)
925 return allegro_init_audio();
928 boolean MSDOSCloseAudio(void)
930 /* nothing to be done here */
933 void NetworkServer(int port, int serveronly)
935 Error(ERR_WARN, "networking not supported in DOS version");
938 #endif /* PLATFORM_MSDOS */