1 /***********************************************************
2 * Rocks'n'Diamonds -- McDuffin Strikes Back! *
3 *----------------------------------------------------------*
4 * (c) 1995-98 Artsoft Entertainment *
8 * phone: ++49 +521 290471 *
9 * email: aeglos@valinor.owl.de *
10 *----------------------------------------------------------*
12 ***********************************************************/
22 /* some positions in the video tape control window */
23 #define VIDEO_DATE_LABEL_XPOS (VIDEO_DISPLAY1_XPOS)
24 #define VIDEO_DATE_LABEL_YPOS (VIDEO_DISPLAY1_YPOS)
25 #define VIDEO_DATE_LABEL_XSIZE (VIDEO_DISPLAY_XSIZE)
26 #define VIDEO_DATE_LABEL_YSIZE (VIDEO_DISPLAY_YSIZE)
27 #define VIDEO_DATE_XPOS (VIDEO_DISPLAY1_XPOS + 1)
28 #define VIDEO_DATE_YPOS (VIDEO_DISPLAY1_YPOS + 14)
29 #define VIDEO_DATE_XSIZE (VIDEO_DISPLAY_XSIZE)
30 #define VIDEO_DATE_YSIZE 16
31 #define VIDEO_REC_LABEL_XPOS (VIDEO_DISPLAY2_XPOS)
32 #define VIDEO_REC_LABEL_YPOS (VIDEO_DISPLAY2_YPOS)
33 #define VIDEO_REC_LABEL_XSIZE 20
34 #define VIDEO_REC_LABEL_YSIZE 12
35 #define VIDEO_REC_SYMBOL_XPOS (VIDEO_DISPLAY2_XPOS + 20)
36 #define VIDEO_REC_SYMBOL_YPOS (VIDEO_DISPLAY2_YPOS)
37 #define VIDEO_REC_SYMBOL_XSIZE 16
38 #define VIDEO_REC_SYMBOL_YSIZE 16
39 #define VIDEO_PLAY_LABEL_XPOS (VIDEO_DISPLAY2_XPOS + 65)
40 #define VIDEO_PLAY_LABEL_YPOS (VIDEO_DISPLAY2_YPOS)
41 #define VIDEO_PLAY_LABEL_XSIZE 22
42 #define VIDEO_PLAY_LABEL_YSIZE 12
43 #define VIDEO_PLAY_SYMBOL_XPOS (VIDEO_DISPLAY2_XPOS + 52)
44 #define VIDEO_PLAY_SYMBOL_YPOS (VIDEO_DISPLAY2_YPOS)
45 #define VIDEO_PLAY_SYMBOL_XSIZE 11
46 #define VIDEO_PLAY_SYMBOL_YSIZE 13
47 #define VIDEO_PAUSE_LABEL_XPOS (VIDEO_DISPLAY2_XPOS)
48 #define VIDEO_PAUSE_LABEL_YPOS (VIDEO_DISPLAY2_YPOS + 20)
49 #define VIDEO_PAUSE_LABEL_XSIZE 35
50 #define VIDEO_PAUSE_LABEL_YSIZE 8
51 #define VIDEO_PAUSE_SYMBOL_XPOS (VIDEO_DISPLAY2_XPOS + 35)
52 #define VIDEO_PAUSE_SYMBOL_YPOS (VIDEO_DISPLAY2_YPOS)
53 #define VIDEO_PAUSE_SYMBOL_XSIZE 17
54 #define VIDEO_PAUSE_SYMBOL_YSIZE 13
55 #define VIDEO_TIME_XPOS (VIDEO_DISPLAY2_XPOS + 38)
56 #define VIDEO_TIME_YPOS (VIDEO_DISPLAY2_YPOS + 14)
57 #define VIDEO_TIME_XSIZE 50
58 #define VIDEO_TIME_YSIZE 16
61 #define VIDEO_PBEND_LABEL_XPOS 6
62 #define VIDEO_PBEND_LABEL_YPOS 220
63 #define VIDEO_PBEND_LABEL_XSIZE 35
64 #define VIDEO_PBEND_LABEL_YSIZE 30
66 #define VIDEO_STATE_OFF (VIDEO_STATE_PLAY_OFF | \
67 VIDEO_STATE_REC_OFF | \
68 VIDEO_STATE_PAUSE_OFF | \
69 VIDEO_STATE_FFWD_OFF | \
70 VIDEO_STATE_PBEND_OFF | \
71 VIDEO_STATE_DATE_OFF | \
73 #define VIDEO_PRESS_OFF (VIDEO_PRESS_PLAY_OFF | \
74 VIDEO_PRESS_REC_OFF | \
75 VIDEO_PRESS_PAUSE_OFF | \
76 VIDEO_PRESS_STOP_OFF | \
77 VIDEO_PRESS_EJECT_OFF)
78 #define VIDEO_ALL_OFF (VIDEO_STATE_OFF | VIDEO_PRESS_OFF)
80 #define VIDEO_STATE_ON (VIDEO_STATE_PLAY_ON | \
81 VIDEO_STATE_REC_ON | \
82 VIDEO_STATE_PAUSE_ON | \
83 VIDEO_STATE_FFWD_ON | \
84 VIDEO_STATE_PBEND_ON | \
85 VIDEO_STATE_DATE_ON | \
87 #define VIDEO_PRESS_ON (VIDEO_PRESS_PLAY_ON | \
88 VIDEO_PRESS_REC_ON | \
89 VIDEO_PRESS_PAUSE_ON | \
90 VIDEO_PRESS_STOP_ON | \
92 #define VIDEO_ALL_ON (VIDEO_STATE_ON | VIDEO_PRESS_ON)
94 #define VIDEO_STATE (VIDEO_STATE_ON | VIDEO_STATE_OFF)
95 #define VIDEO_PRESS (VIDEO_PRESS_ON | VIDEO_PRESS_OFF)
96 #define VIDEO_ALL (VIDEO_ALL_ON | VIDEO_ALL_OFF)
99 void DrawVideoDisplay(unsigned long state, unsigned long value)
102 int part_label = 0, part_symbol = 1;
103 int xpos = 0, ypos = 1, xsize = 2, ysize = 3;
104 static char *monatsname[12] =
106 "JAN", "FEB", "MAR", "APR", "MAY", "JUN",
107 "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"
109 static int video_pos[5][2][4] =
111 {{ VIDEO_PLAY_LABEL_XPOS, VIDEO_PLAY_LABEL_YPOS,
112 VIDEO_PLAY_LABEL_XSIZE,VIDEO_PLAY_LABEL_YSIZE },
113 { VIDEO_PLAY_SYMBOL_XPOS, VIDEO_PLAY_SYMBOL_YPOS,
114 VIDEO_PLAY_SYMBOL_XSIZE,VIDEO_PLAY_SYMBOL_YSIZE }},
116 {{ VIDEO_REC_LABEL_XPOS, VIDEO_REC_LABEL_YPOS,
117 VIDEO_REC_LABEL_XSIZE,VIDEO_REC_LABEL_YSIZE },
118 { VIDEO_REC_SYMBOL_XPOS, VIDEO_REC_SYMBOL_YPOS,
119 VIDEO_REC_SYMBOL_XSIZE,VIDEO_REC_SYMBOL_YSIZE }},
121 {{ VIDEO_PAUSE_LABEL_XPOS, VIDEO_PAUSE_LABEL_YPOS,
122 VIDEO_PAUSE_LABEL_XSIZE,VIDEO_PAUSE_LABEL_YSIZE },
123 { VIDEO_PAUSE_SYMBOL_XPOS, VIDEO_PAUSE_SYMBOL_YPOS,
124 VIDEO_PAUSE_SYMBOL_XSIZE,VIDEO_PAUSE_SYMBOL_YSIZE }},
126 {{ VIDEO_DATE_LABEL_XPOS, VIDEO_DATE_LABEL_YPOS,
127 VIDEO_DATE_LABEL_XSIZE,VIDEO_DATE_LABEL_YSIZE },
128 { VIDEO_DATE_XPOS, VIDEO_DATE_YPOS,
129 VIDEO_DATE_XSIZE,VIDEO_DATE_YSIZE }},
133 { VIDEO_TIME_XPOS, VIDEO_TIME_YPOS,
134 VIDEO_TIME_XSIZE,VIDEO_TIME_YSIZE }}
137 if (state & VIDEO_STATE_PBEND_OFF)
139 int cx = DOOR_GFX_PAGEX3, cy = DOOR_GFX_PAGEY2;
141 BlitBitmap(pix[PIX_DOOR], drawto,
142 cx + VIDEO_REC_LABEL_XPOS,
143 cy + VIDEO_REC_LABEL_YPOS,
144 VIDEO_PBEND_LABEL_XSIZE,
145 VIDEO_PBEND_LABEL_YSIZE,
146 VX + VIDEO_REC_LABEL_XPOS,
147 VY + VIDEO_REC_LABEL_YPOS);
154 int pos = i/2, cx, cy = DOOR_GFX_PAGEY2;
156 if (i%2) /* i ungerade => STATE_ON / PRESS_OFF */
157 cx = DOOR_GFX_PAGEX4;
159 cx = DOOR_GFX_PAGEX3; /* i gerade => STATE_OFF / PRESS_ON */
161 if (video_pos[pos][part_label][0] && value != VIDEO_DISPLAY_SYMBOL_ONLY)
162 BlitBitmap(pix[PIX_DOOR], drawto,
163 cx + video_pos[pos][part_label][xpos],
164 cy + video_pos[pos][part_label][ypos],
165 video_pos[pos][part_label][xsize],
166 video_pos[pos][part_label][ysize],
167 VX + video_pos[pos][part_label][xpos],
168 VY + video_pos[pos][part_label][ypos]);
169 if (video_pos[pos][part_symbol][0] && value != VIDEO_DISPLAY_LABEL_ONLY)
170 BlitBitmap(pix[PIX_DOOR], drawto,
171 cx + video_pos[pos][part_symbol][xpos],
172 cy + video_pos[pos][part_symbol][ypos],
173 video_pos[pos][part_symbol][xsize],
174 video_pos[pos][part_symbol][ysize],
175 VX + video_pos[pos][part_symbol][xpos],
176 VY + video_pos[pos][part_symbol][ypos]);
180 if (state & VIDEO_STATE_FFWD_ON)
182 int cx = DOOR_GFX_PAGEX4, cy = DOOR_GFX_PAGEY2;
184 BlitBitmap(pix[PIX_DOOR], drawto,
185 cx + VIDEO_PLAY_SYMBOL_XPOS,
186 cy + VIDEO_PLAY_SYMBOL_YPOS,
187 VIDEO_PLAY_SYMBOL_XSIZE - 2,
188 VIDEO_PLAY_SYMBOL_YSIZE,
189 VX + VIDEO_PLAY_SYMBOL_XPOS - 9,
190 VY + VIDEO_PLAY_SYMBOL_YPOS);
193 if (state & VIDEO_STATE_PBEND_ON)
195 int cx = DOOR_GFX_PAGEX6, cy = DOOR_GFX_PAGEY1;
197 BlitBitmap(pix[PIX_DOOR], drawto,
198 cx + VIDEO_PBEND_LABEL_XPOS,
199 cy + VIDEO_PBEND_LABEL_YPOS,
200 VIDEO_PBEND_LABEL_XSIZE,
201 VIDEO_PBEND_LABEL_YSIZE,
202 VX + VIDEO_REC_LABEL_XPOS,
203 VY + VIDEO_REC_LABEL_YPOS);
206 if (state & VIDEO_STATE_DATE_ON)
208 int tag = value % 100;
209 int monat = (value/100) % 100;
210 int jahr = (value/10000);
212 DrawText(VX+VIDEO_DATE_XPOS,VY+VIDEO_DATE_YPOS,
213 int2str(tag,2),FS_SMALL,FC_SPECIAL1);
214 DrawText(VX+VIDEO_DATE_XPOS+27,VY+VIDEO_DATE_YPOS,
215 monatsname[monat],FS_SMALL,FC_SPECIAL1);
216 DrawText(VX+VIDEO_DATE_XPOS+64,VY+VIDEO_DATE_YPOS,
217 int2str(jahr,2),FS_SMALL,FC_SPECIAL1);
220 if (state & VIDEO_STATE_TIME_ON)
222 int min = value / 60;
223 int sec = value % 60;
225 DrawText(VX+VIDEO_TIME_XPOS,VY+VIDEO_TIME_YPOS,
226 int2str(min,2),FS_SMALL,FC_SPECIAL1);
227 DrawText(VX+VIDEO_TIME_XPOS+27,VY+VIDEO_TIME_YPOS,
228 int2str(sec,2),FS_SMALL,FC_SPECIAL1);
231 if (state & VIDEO_STATE_DATE)
232 redraw_mask |= REDRAW_VIDEO_1;
233 if ((state & ~VIDEO_STATE_DATE) & VIDEO_STATE)
234 redraw_mask |= REDRAW_VIDEO_2;
235 if (state & VIDEO_PRESS)
236 redraw_mask |= REDRAW_VIDEO_3;
239 void DrawCompleteVideoDisplay()
241 BlitBitmap(pix[PIX_DOOR], drawto,
242 DOOR_GFX_PAGEX3,DOOR_GFX_PAGEY2, VXSIZE,VYSIZE, VX,VY);
243 BlitBitmap(pix[PIX_DOOR], drawto,
244 DOOR_GFX_PAGEX4+VIDEO_CONTROL_XPOS,
245 DOOR_GFX_PAGEY2+VIDEO_CONTROL_YPOS,
246 VIDEO_CONTROL_XSIZE,VIDEO_CONTROL_YSIZE,
247 VX+VIDEO_CONTROL_XPOS,VY+VIDEO_CONTROL_YPOS);
249 DrawVideoDisplay(VIDEO_ALL_OFF,0);
250 if (tape.date && tape.length)
252 DrawVideoDisplay(VIDEO_STATE_DATE_ON,tape.date);
253 DrawVideoDisplay(VIDEO_STATE_TIME_ON,tape.length_seconds);
256 BlitBitmap(drawto, pix[PIX_DB_DOOR],
257 VX,VY, VXSIZE,VYSIZE, DOOR_GFX_PAGEX1,DOOR_GFX_PAGEY2);
261 /* NEW GADGET STUFF -------------------------------------------------------- */
264 /* values for DrawGadget() */
265 #define DG_UNPRESSED 0
267 #define DG_BUFFERED 0
270 static struct GadgetInfo *gadget_list_first_entry = NULL;
271 static struct GadgetInfo *gadget_list_last_entry = NULL;
272 static int next_free_gadget_id = 1;
273 static boolean gadget_id_wrapped = FALSE;
275 static struct GadgetInfo *getGadgetInfoFromGadgetID(int id)
277 struct GadgetInfo *gi = gadget_list_first_entry;
279 while (gi && gi->id != id)
285 static int getNewGadgetID()
287 int id = next_free_gadget_id++;
289 if (next_free_gadget_id <= 0) /* counter overrun */
291 gadget_id_wrapped = TRUE; /* now we must check each ID */
292 next_free_gadget_id = 0;
295 if (gadget_id_wrapped)
297 next_free_gadget_id++;
298 while (getGadgetInfoFromGadgetID(next_free_gadget_id) != NULL)
299 next_free_gadget_id++;
302 if (next_free_gadget_id <= 0) /* cannot get new gadget id */
303 Error(ERR_EXIT, "too much gadgets -- this should not happen");
308 static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my)
310 struct GadgetInfo *gi = gadget_list_first_entry;
315 mx >= gi->x && mx < gi->x + gi->width &&
316 my >= gi->y && my < gi->y + gi->height)
325 static void default_callback_info(void *ptr)
327 if (game_status == LEVELED)
328 HandleEditorGadgetInfoText(ptr);
331 static void default_callback_action(void *ptr)
336 static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
338 int state = (pressed ? 1 : 0);
339 struct GadgetDesign *gd = (gi->checked ?
340 &gi->alt_design[state] :
345 case GD_TYPE_NORMAL_BUTTON:
346 case GD_TYPE_CHECK_BUTTON:
347 case GD_TYPE_RADIO_BUTTON:
348 BlitBitmap(gd->bitmap, drawto,
349 gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
350 if (gi->deco.design.bitmap)
351 BlitBitmap(gi->deco.design.bitmap, drawto,
352 gi->deco.design.x, gi->deco.design.y,
353 gi->deco.width, gi->deco.height,
354 gi->x + gi->deco.x + (pressed ? gi->deco.xshift : 0),
355 gi->y + gi->deco.y + (pressed ? gi->deco.yshift : 0));
358 case GD_TYPE_TEXTINPUT_ALPHANUMERIC:
359 case GD_TYPE_TEXTINPUT_NUMERIC:
363 char cursor_string[3];
364 char text[MAX_GADGET_TEXTSIZE + 1];
365 int font_type = gi->text.font_type;
366 int font_width = getFontWidth(FS_SMALL, font_type);
367 int border = gi->border.size;
368 strcpy(text, gi->text.value);
371 /* left part of gadget */
372 BlitBitmap(gd->bitmap, drawto,
373 gd->x, gd->y, border, gi->height, gi->x, gi->y);
375 /* middle part of gadget */
376 for (i=0; i<=gi->text.size; i++)
377 BlitBitmap(gd->bitmap, drawto,
378 gd->x + border, gd->y, font_width, gi->height,
379 gi->x + border + i * font_width, gi->y);
381 /* right part of gadget */
382 BlitBitmap(gd->bitmap, drawto,
383 gd->x + gi->border.width - border, gd->y,
384 border, gi->height, gi->x + gi->width - border, gi->y);
386 /* gadget text value */
387 DrawText(gi->x + border, gi->y + border, text, FS_SMALL, font_type);
389 cursor_letter = gi->text.value[gi->text.cursor_position];
390 cursor_string[0] = '~';
391 cursor_string[1] = (cursor_letter != '\0' ? cursor_letter : ' ');
392 cursor_string[2] = '\0';
394 /* draw cursor, if active */
396 DrawText(gi->x + border + gi->text.cursor_position * font_width,
397 gi->y + border, cursor_string, FS_SMALL, font_type);
401 case GD_TYPE_SCROLLBAR_VERTICAL:
405 int ypos = gi->y + gi->scrollbar.position;
406 int design_full = gi->width;
407 int design_body = design_full - 2 * gi->border.size;
408 int size_full = gi->scrollbar.size;
409 int size_body = size_full - 2 * gi->border.size;
410 int num_steps = size_body / design_body;
411 int step_size_remain = size_body - num_steps * design_body;
413 /* clear scrollbar area */
414 ClearRectangle(backbuffer, gi->x, gi->y, gi->width, gi->height);
416 /* upper part of gadget */
417 BlitBitmap(gd->bitmap, drawto,
419 gi->width, gi->border.size,
422 /* middle part of gadget */
423 for (i=0; i<num_steps; i++)
424 BlitBitmap(gd->bitmap, drawto,
425 gd->x, gd->y + gi->border.size,
426 gi->width, design_body,
427 xpos, ypos + gi->border.size + i * design_body);
429 /* remaining middle part of gadget */
430 if (step_size_remain > 0)
431 BlitBitmap(gd->bitmap, drawto,
432 gd->x, gd->y + gi->border.size,
433 gi->width, step_size_remain,
434 xpos, ypos + gi->border.size + num_steps * design_body);
436 /* lower part of gadget */
437 BlitBitmap(gd->bitmap, drawto,
438 gd->x, gd->y + design_full - gi->border.size,
439 gi->width, gi->border.size,
440 xpos, ypos + size_full - gi->border.size);
444 case GD_TYPE_SCROLLBAR_HORIZONTAL:
447 int xpos = gi->x + gi->scrollbar.position;
449 int design_full = gi->height;
450 int design_body = design_full - 2 * gi->border.size;
451 int size_full = gi->scrollbar.size;
452 int size_body = size_full - 2 * gi->border.size;
453 int num_steps = size_body / design_body;
454 int step_size_remain = size_body - num_steps * design_body;
456 /* clear scrollbar area */
457 ClearRectangle(backbuffer, gi->x, gi->y, gi->width, gi->height);
459 /* left part of gadget */
460 BlitBitmap(gd->bitmap, drawto,
462 gi->border.size, gi->height,
465 /* middle part of gadget */
466 for (i=0; i<num_steps; i++)
467 BlitBitmap(gd->bitmap, drawto,
468 gd->x + gi->border.size, gd->y,
469 design_body, gi->height,
470 xpos + gi->border.size + i * design_body, ypos);
472 /* remaining middle part of gadget */
473 if (step_size_remain > 0)
474 BlitBitmap(gd->bitmap, drawto,
475 gd->x + gi->border.size, gd->y,
476 step_size_remain, gi->height,
477 xpos + gi->border.size + num_steps * design_body, ypos);
479 /* right part of gadget */
480 BlitBitmap(gd->bitmap, drawto,
481 gd->x + design_full - gi->border.size, gd->y,
482 gi->border.size, gi->height,
483 xpos + size_full - gi->border.size, ypos);
492 BlitBitmap(drawto, window,
493 gi->x, gi->y, gi->width, gi->height, gi->x, gi->y);
495 redraw_mask |= (gi->x < SX + SXSIZE ? REDRAW_FIELD :
496 gi->y < DY + DYSIZE ? REDRAW_DOOR_1 :
497 gi->y > VY ? REDRAW_DOOR_2 : REDRAW_DOOR_3);
500 static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
504 while (tag != GDI_END)
509 gi->custom_id = va_arg(ap, int);
512 case GDI_CUSTOM_TYPE_ID:
513 gi->custom_type_id = va_arg(ap, int);
518 int max_textsize = MAX_INFO_TEXTSIZE - 1;
520 strncpy(gi->info_text, va_arg(ap, char *), max_textsize);
521 gi->info_text[max_textsize] = '\0';
526 gi->x = va_arg(ap, int);
530 gi->y = va_arg(ap, int);
534 gi->width = va_arg(ap, int);
538 gi->height = va_arg(ap, int);
542 gi->type = va_arg(ap, unsigned long);
546 gi->state = va_arg(ap, unsigned long);
550 gi->checked = va_arg(ap, boolean);
554 gi->radio_nr = va_arg(ap, unsigned long);
557 case GDI_NUMBER_VALUE:
558 gi->text.number_value = va_arg(ap, long);
559 sprintf(gi->text.value, "%d", gi->text.number_value);
560 gi->text.cursor_position = strlen(gi->text.value);
564 gi->text.number_min = va_arg(ap, long);
565 if (gi->text.number_value < gi->text.number_min)
567 gi->text.number_value = gi->text.number_min;
568 sprintf(gi->text.value, "%d", gi->text.number_value);
573 gi->text.number_max = va_arg(ap, long);
574 if (gi->text.number_value > gi->text.number_max)
576 gi->text.number_value = gi->text.number_max;
577 sprintf(gi->text.value, "%d", gi->text.number_value);
583 int max_textsize = MAX_GADGET_TEXTSIZE;
586 max_textsize = MIN(gi->text.size, MAX_GADGET_TEXTSIZE - 1);
588 strncpy(gi->text.value, va_arg(ap, char *), max_textsize);
589 gi->text.value[max_textsize] = '\0';
590 gi->text.cursor_position = strlen(gi->text.value);
596 int tag_value = va_arg(ap, int);
597 int max_textsize = MIN(tag_value, MAX_GADGET_TEXTSIZE - 1);
599 gi->text.size = max_textsize;
600 gi->text.value[max_textsize] = '\0';
605 gi->text.font_type = va_arg(ap, int);
608 case GDI_DESIGN_UNPRESSED:
609 gi->design[GD_BUTTON_UNPRESSED].bitmap = va_arg(ap, Bitmap);
610 gi->design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
611 gi->design[GD_BUTTON_UNPRESSED].y = va_arg(ap, int);
614 case GDI_DESIGN_PRESSED:
615 gi->design[GD_BUTTON_PRESSED].bitmap = va_arg(ap, Bitmap);
616 gi->design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
617 gi->design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
620 case GDI_ALT_DESIGN_UNPRESSED:
621 gi->alt_design[GD_BUTTON_UNPRESSED].bitmap= va_arg(ap, Bitmap);
622 gi->alt_design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
623 gi->alt_design[GD_BUTTON_UNPRESSED].y = va_arg(ap, int);
626 case GDI_ALT_DESIGN_PRESSED:
627 gi->alt_design[GD_BUTTON_PRESSED].bitmap = va_arg(ap, Bitmap);
628 gi->alt_design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
629 gi->alt_design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
632 case GDI_BORDER_SIZE:
633 gi->border.size = va_arg(ap, int);
636 case GDI_TEXTINPUT_DESIGN_WIDTH:
637 gi->border.width = va_arg(ap, int);
640 case GDI_DECORATION_DESIGN:
641 gi->deco.design.bitmap = va_arg(ap, Bitmap);
642 gi->deco.design.x = va_arg(ap, int);
643 gi->deco.design.y = va_arg(ap, int);
646 case GDI_DECORATION_POSITION:
647 gi->deco.x = va_arg(ap, int);
648 gi->deco.y = va_arg(ap, int);
651 case GDI_DECORATION_SIZE:
652 gi->deco.width = va_arg(ap, int);
653 gi->deco.height = va_arg(ap, int);
656 case GDI_DECORATION_SHIFTING:
657 gi->deco.xshift = va_arg(ap, int);
658 gi->deco.yshift = va_arg(ap, int);
662 gi->event_mask = va_arg(ap, unsigned long);
666 gi->drawing.area_xsize = va_arg(ap, int);
667 gi->drawing.area_ysize = va_arg(ap, int);
669 /* determine dependent values for drawing area gadget, if needed */
670 if (gi->width == 0 && gi->height == 0 &&
671 gi->drawing.item_xsize !=0 && gi->drawing.item_ysize !=0)
673 gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
674 gi->height = gi->drawing.area_ysize * gi->drawing.item_ysize;
676 else if (gi->drawing.item_xsize == 0 && gi->drawing.item_ysize == 0 &&
677 gi->width != 0 && gi->height != 0)
679 gi->drawing.item_xsize = gi->width / gi->drawing.area_xsize;
680 gi->drawing.item_ysize = gi->height / gi->drawing.area_ysize;
685 gi->drawing.item_xsize = va_arg(ap, int);
686 gi->drawing.item_ysize = va_arg(ap, int);
688 /* determine dependent values for drawing area gadget, if needed */
689 if (gi->width == 0 && gi->height == 0 &&
690 gi->drawing.area_xsize !=0 && gi->drawing.area_ysize !=0)
692 gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
693 gi->height = gi->drawing.area_ysize * gi->drawing.item_ysize;
695 else if (gi->drawing.area_xsize == 0 && gi->drawing.area_ysize == 0 &&
696 gi->width != 0 && gi->height != 0)
698 gi->drawing.area_xsize = gi->width / gi->drawing.item_xsize;
699 gi->drawing.area_ysize = gi->height / gi->drawing.item_ysize;
703 case GDI_SCROLLBAR_ITEMS_MAX:
704 gi->scrollbar.items_max = va_arg(ap, int);
707 case GDI_SCROLLBAR_ITEMS_VISIBLE:
708 gi->scrollbar.items_visible = va_arg(ap, int);
711 case GDI_SCROLLBAR_ITEM_POSITION:
712 gi->scrollbar.item_position = va_arg(ap, int);
715 case GDI_CALLBACK_INFO:
716 gi->callback_info = va_arg(ap, gadget_function);
719 case GDI_CALLBACK_ACTION:
720 gi->callback_action = va_arg(ap, gadget_function);
724 Error(ERR_EXIT, "HandleGadgetTags(): unknown tag %d", tag);
727 tag = va_arg(ap, int); /* read next tag */
730 /* check if gadget complete */
731 if (gi->type != GD_TYPE_DRAWING_AREA &&
732 (!gi->design[GD_BUTTON_UNPRESSED].bitmap ||
733 !gi->design[GD_BUTTON_PRESSED].bitmap))
734 Error(ERR_EXIT, "gadget incomplete (missing Bitmap)");
736 /* adjust gadget values in relation to other gadget values */
738 if (gi->type & GD_TYPE_TEXTINPUT)
740 int font_width = getFontWidth(FS_SMALL, gi->text.font_type);
741 int font_height = getFontHeight(FS_SMALL, gi->text.font_type);
743 gi->width = 2 * gi->border.size + (gi->text.size + 1) * font_width;
744 gi->height = 2 * gi->border.size + font_height;
747 if (gi->type & GD_TYPE_TEXTINPUT_NUMERIC)
749 struct GadgetTextInput *text = &gi->text;
750 int value = text->number_value;
752 text->number_value = (value < text->number_min ? text->number_min :
753 value > text->number_max ? text->number_max :
756 sprintf(text->value, "%d", text->number_value);
759 if (gi->type & GD_TYPE_SCROLLBAR)
761 struct GadgetScrollbar *gs = &gi->scrollbar;
763 if (gi->width == 0 || gi->height == 0 ||
764 gs->items_max == 0 || gs->items_visible == 0)
765 Error(ERR_EXIT, "scrollbar gadget incomplete (missing tags)");
767 /* calculate internal scrollbar values */
768 gs->size_max = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
769 gi->height : gi->width);
770 gs->size = gs->size_max * gs->items_visible / gs->items_max;
771 gs->position = gs->size_max * gs->item_position / gs->items_max;
772 gs->position_max = gs->size_max - gs->size;
773 gs->correction = gs->size_max / gs->items_max / 2;
775 /* finetuning for maximal right/bottom position */
776 if (gs->item_position == gs->items_max - gs->items_visible)
777 gs->position = gs->position_max;
781 void ModifyGadget(struct GadgetInfo *gi, int first_tag, ...)
785 va_start(ap, first_tag);
786 HandleGadgetTags(gi, first_tag, ap);
792 void RedrawGadget(struct GadgetInfo *gi)
795 DrawGadget(gi, gi->state, DG_DIRECT);
798 struct GadgetInfo *CreateGadget(int first_tag, ...)
800 struct GadgetInfo *new_gadget = checked_malloc(sizeof(struct GadgetInfo));
803 /* always start with reliable default values */
804 memset(new_gadget, 0, sizeof(struct GadgetInfo)); /* zero all fields */
805 new_gadget->id = getNewGadgetID();
806 new_gadget->callback_info = default_callback_info;
807 new_gadget->callback_action = default_callback_action;
809 va_start(ap, first_tag);
810 HandleGadgetTags(new_gadget, first_tag, ap);
813 /* insert new gadget into global gadget list */
814 if (gadget_list_last_entry)
816 gadget_list_last_entry->next = new_gadget;
817 gadget_list_last_entry = gadget_list_last_entry->next;
820 gadget_list_first_entry = gadget_list_last_entry = new_gadget;
825 void FreeGadget(struct GadgetInfo *gi)
827 struct GadgetInfo *gi_previous = gadget_list_first_entry;
829 while (gi_previous && gi_previous->next != gi)
830 gi_previous = gi_previous->next;
832 if (gi == gadget_list_first_entry)
833 gadget_list_first_entry = gi->next;
835 if (gi == gadget_list_last_entry)
836 gadget_list_last_entry = gi_previous;
838 gi_previous->next = gi->next;
842 static void CheckRangeOfNumericInputGadget(struct GadgetInfo *gi)
844 if (gi->type != GD_TYPE_TEXTINPUT_NUMERIC)
847 gi->text.number_value = atoi(gi->text.value);
849 if (gi->text.number_value < gi->text.number_min)
850 gi->text.number_value = gi->text.number_min;
851 if (gi->text.number_value > gi->text.number_max)
852 gi->text.number_value = gi->text.number_max;
854 sprintf(gi->text.value, "%d", gi->text.number_value);
856 if (gi->text.cursor_position < 0)
857 gi->text.cursor_position = 0;
858 else if (gi->text.cursor_position > strlen(gi->text.value))
859 gi->text.cursor_position = strlen(gi->text.value);
862 /* global pointer to gadget actually in use (when mouse button pressed) */
863 static struct GadgetInfo *last_gi = NULL;
865 static void MapGadgetExt(struct GadgetInfo *gi, boolean redraw)
867 if (gi == NULL || gi->mapped)
873 DrawGadget(gi, DG_UNPRESSED, DG_BUFFERED);
876 void MapGadget(struct GadgetInfo *gi)
878 MapGadgetExt(gi, TRUE);
881 void UnmapGadget(struct GadgetInfo *gi)
883 if (gi == NULL || !gi->mapped)
892 #define MAX_NUM_GADGETS 1024
893 #define MULTIMAP_UNMAP (1 << 0)
894 #define MULTIMAP_REMAP (1 << 1)
895 #define MULTIMAP_REDRAW (1 << 2)
896 #define MULTIMAP_PLAYFIELD (1 << 3)
897 #define MULTIMAP_DOOR_1 (1 << 4)
898 #define MULTIMAP_DOOR_2 (1 << 5)
899 #define MULTIMAP_ALL (MULTIMAP_PLAYFIELD | \
903 static void MultiMapGadgets(int mode)
905 struct GadgetInfo *gi = gadget_list_first_entry;
906 static boolean map_state[MAX_NUM_GADGETS];
911 if ((mode & MULTIMAP_PLAYFIELD && gi->x < SX + SXSIZE) ||
912 (mode & MULTIMAP_DOOR_1 && gi->x >= DX && gi->y < DY + DYSIZE) ||
913 (mode & MULTIMAP_DOOR_2 && gi->x >= DX && gi->y > DY + DYSIZE) ||
914 (mode & MULTIMAP_ALL) == MULTIMAP_ALL)
916 if (mode & MULTIMAP_UNMAP)
918 map_state[map_count++ % MAX_NUM_GADGETS] = gi->mapped;
923 if (map_state[map_count++ % MAX_NUM_GADGETS])
924 MapGadgetExt(gi, (mode & MULTIMAP_REDRAW));
932 void UnmapAllGadgets()
934 MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_UNMAP);
937 void RemapAllGadgets()
939 MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_REMAP);
942 boolean anyTextGadgetActive()
944 return (last_gi && last_gi->type & GD_TYPE_TEXTINPUT && last_gi->mapped);
947 void ClickOnGadget(struct GadgetInfo *gi, int button)
949 /* simulate releasing mouse button over last gadget, if still pressed */
951 HandleGadgets(-1, -1, 0);
953 /* simulate pressing mouse button over specified gadget */
954 HandleGadgets(gi->x, gi->y, button);
956 /* simulate releasing mouse button over specified gadget */
957 HandleGadgets(gi->x, gi->y, 0);
960 void HandleGadgets(int mx, int my, int button)
962 static struct GadgetInfo *last_info_gi = NULL;
963 static unsigned long pressed_delay = 0;
964 static int last_button = 0;
965 static int last_mx = 0, last_my = 0;
966 int scrollbar_mouse_pos = 0;
967 struct GadgetInfo *new_gi, *gi;
969 boolean release_event;
970 boolean mouse_moving;
971 boolean gadget_pressed;
972 boolean gadget_pressed_repeated;
973 boolean gadget_moving;
974 boolean gadget_moving_inside;
975 boolean gadget_moving_off_borders;
976 boolean gadget_released;
977 boolean gadget_released_inside;
978 boolean gadget_released_off_borders;
979 boolean changed_position = FALSE;
981 /* check if there are any gadgets defined */
982 if (gadget_list_first_entry == NULL)
985 /* check which gadget is under the mouse pointer */
986 new_gi = getGadgetInfoFromMousePosition(mx, my);
988 /* check if button state has changed since last invocation */
989 press_event = (button != 0 && last_button == 0);
990 release_event = (button == 0 && last_button != 0);
991 last_button = button;
993 /* check if mouse has been moved since last invocation */
994 mouse_moving = ((mx != last_mx || my != last_my) && motion_status);
998 /* special treatment for text and number input gadgets */
999 if (anyTextGadgetActive() && button != 0 && !motion_status)
1001 struct GadgetInfo *gi = last_gi;
1003 if (new_gi == last_gi)
1005 /* if mouse button pressed inside activated text gadget, set cursor */
1006 gi->text.cursor_position =
1007 (mx - gi->x - gi->border.size) /
1008 getFontWidth(FS_SMALL, gi->text.font_type);
1010 if (gi->text.cursor_position < 0)
1011 gi->text.cursor_position = 0;
1012 else if (gi->text.cursor_position > strlen(gi->text.value))
1013 gi->text.cursor_position = strlen(gi->text.value);
1015 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1019 /* if mouse button pressed outside text input gadget, deactivate it */
1020 CheckRangeOfNumericInputGadget(gi);
1021 DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
1023 gi->event.type = GD_EVENT_TEXT_LEAVING;
1025 if (gi->event_mask & GD_EVENT_TEXT_LEAVING)
1026 gi->callback_action(gi);
1033 (button != 0 && last_gi == NULL && new_gi != NULL && press_event);
1034 gadget_pressed_repeated =
1035 (button != 0 && last_gi != NULL && new_gi == last_gi);
1037 gadget_released = (release_event && last_gi != NULL);
1038 gadget_released_inside = (gadget_released && new_gi == last_gi);
1039 gadget_released_off_borders = (gadget_released && new_gi != last_gi);
1041 gadget_moving = (button != 0 && last_gi != NULL && mouse_moving);
1042 gadget_moving_inside = (gadget_moving && new_gi == last_gi);
1043 gadget_moving_off_borders = (gadget_moving && new_gi != last_gi);
1045 /* if new gadget pressed, store this gadget */
1049 /* 'gi' is actually handled gadget */
1052 /* if gadget is scrollbar, choose mouse position value */
1053 if (gi && gi->type & GD_TYPE_SCROLLBAR)
1054 scrollbar_mouse_pos =
1055 (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx - gi->x : my - gi->y);
1057 /* if mouse button released, no gadget needs to be handled anymore */
1058 if (button == 0 && last_gi && !(last_gi->type & GD_TYPE_TEXTINPUT))
1061 /* modify event position values even if no gadget is pressed */
1062 if (button == 0 && !release_event)
1067 int last_x = gi->event.x;
1068 int last_y = gi->event.y;
1070 gi->event.x = mx - gi->x;
1071 gi->event.y = my - gi->y;
1073 if (gi->type == GD_TYPE_DRAWING_AREA)
1075 gi->event.x /= gi->drawing.item_xsize;
1076 gi->event.y /= gi->drawing.item_ysize;
1078 if (last_x != gi->event.x || last_y != gi->event.y)
1079 changed_position = TRUE;
1083 /* handle gadget popup info text */
1084 if (last_info_gi != new_gi ||
1085 (new_gi && new_gi->type == GD_TYPE_DRAWING_AREA && changed_position))
1087 last_info_gi = new_gi;
1089 if (new_gi != NULL && (button == 0 || new_gi == last_gi))
1091 new_gi->event.type = 0;
1092 new_gi->callback_info(new_gi);
1095 default_callback_info(NULL);
1100 if (gi->type == GD_TYPE_CHECK_BUTTON)
1102 gi->checked = !gi->checked;
1104 else if (gi->type == GD_TYPE_RADIO_BUTTON)
1106 struct GadgetInfo *rgi = gadget_list_first_entry;
1111 rgi->type == GD_TYPE_RADIO_BUTTON &&
1112 rgi->radio_nr == gi->radio_nr &&
1115 rgi->checked = FALSE;
1116 DrawGadget(rgi, DG_UNPRESSED, DG_DIRECT);
1124 else if (gi->type & GD_TYPE_SCROLLBAR)
1128 if (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL)
1139 if (mpos >= gpos + gi->scrollbar.position &&
1140 mpos < gpos + gi->scrollbar.position + gi->scrollbar.size)
1142 /* drag scrollbar */
1143 gi->scrollbar.drag_position =
1144 scrollbar_mouse_pos - gi->scrollbar.position;
1148 /* click scrollbar one scrollbar length up/left or down/right */
1150 struct GadgetScrollbar *gs = &gi->scrollbar;
1151 int old_item_position = gs->item_position;
1153 changed_position = FALSE;
1155 gs->item_position +=
1156 gs->items_visible * (mpos < gpos + gi->scrollbar.position ? -1 : +1);
1158 if (gs->item_position < 0)
1159 gs->item_position = 0;
1160 if (gs->item_position > gs->items_max - gs->items_visible)
1161 gs->item_position = gs->items_max - gs->items_visible;
1163 if (old_item_position != gs->item_position)
1165 gi->event.item_position = gs->item_position;
1166 changed_position = TRUE;
1169 ModifyGadget(gi, GDI_SCROLLBAR_ITEM_POSITION, gs->item_position,
1172 gi->state = GD_BUTTON_UNPRESSED;
1173 gi->event.type = GD_EVENT_MOVING;
1174 gi->event.off_borders = FALSE;
1176 if (gi->event_mask & GD_EVENT_MOVING && changed_position)
1177 gi->callback_action(gi);
1179 /* don't handle this scrollbar anymore while mouse button pressed */
1186 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1188 gi->state = GD_BUTTON_PRESSED;
1189 gi->event.type = GD_EVENT_PRESSED;
1190 gi->event.button = button;
1191 gi->event.off_borders = FALSE;
1193 /* initialize delay counter */
1194 DelayReached(&pressed_delay, 0);
1196 if (gi->event_mask & GD_EVENT_PRESSED)
1197 gi->callback_action(gi);
1200 if (gadget_pressed_repeated)
1202 gi->event.type = GD_EVENT_PRESSED;
1204 if (gi->event_mask & GD_EVENT_REPEATED &&
1205 DelayReached(&pressed_delay, GADGET_FRAME_DELAY))
1206 gi->callback_action(gi);
1211 if (gi->type & GD_TYPE_BUTTON)
1213 if (gadget_moving_inside && gi->state == GD_BUTTON_UNPRESSED)
1214 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1215 else if (gadget_moving_off_borders && gi->state == GD_BUTTON_PRESSED)
1216 DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
1219 if (gi->type & GD_TYPE_SCROLLBAR)
1221 struct GadgetScrollbar *gs = &gi->scrollbar;
1222 int old_item_position = gs->item_position;
1224 gs->position = scrollbar_mouse_pos - gs->drag_position;
1226 if (gs->position < 0)
1228 if (gs->position > gs->position_max)
1229 gs->position = gs->position_max;
1232 gs->items_max * (gs->position + gs->correction) / gs->size_max;
1234 if (gs->item_position < 0)
1235 gs->item_position = 0;
1236 if (gs->item_position > gs->items_max - 1)
1237 gs->item_position = gs->items_max - 1;
1239 if (old_item_position != gs->item_position)
1241 gi->event.item_position = gs->item_position;
1242 changed_position = TRUE;
1245 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1248 gi->state = (gadget_moving_inside || gi->type & GD_TYPE_SCROLLBAR ?
1249 GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
1250 gi->event.type = GD_EVENT_MOVING;
1251 gi->event.off_borders = gadget_moving_off_borders;
1253 if (gi->event_mask & GD_EVENT_MOVING && changed_position &&
1254 (gadget_moving_inside || gi->event_mask & GD_EVENT_OFF_BORDERS))
1255 gi->callback_action(gi);
1258 if (gadget_released_inside)
1260 if (!(gi->type & GD_TYPE_TEXTINPUT))
1261 DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
1263 gi->state = GD_BUTTON_UNPRESSED;
1264 gi->event.type = GD_EVENT_RELEASED;
1266 if (gi->event_mask & GD_EVENT_RELEASED)
1267 gi->callback_action(gi);
1270 if (gadget_released_off_borders)
1272 if (gi->type & GD_TYPE_SCROLLBAR)
1273 DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
1275 gi->event.type = GD_EVENT_RELEASED;
1277 if (gi->event_mask & GD_EVENT_RELEASED &&
1278 gi->event_mask & GD_EVENT_OFF_BORDERS)
1279 gi->callback_action(gi);
1283 void HandleGadgetsKeyInput(Key key)
1285 struct GadgetInfo *gi = last_gi;
1286 char text[MAX_GADGET_TEXTSIZE];
1290 boolean legal_letter;
1292 if (gi == NULL || !(gi->type & GD_TYPE_TEXTINPUT) || !gi->mapped)
1295 text_length = strlen(gi->text.value);
1296 cursor_pos = gi->text.cursor_position;
1297 letter = getCharFromKey(key);
1298 legal_letter = (gi->type == GD_TYPE_TEXTINPUT_NUMERIC ?
1299 letter >= '0' && letter <= '9' :
1302 if (legal_letter && text_length < gi->text.size)
1304 strcpy(text, gi->text.value);
1305 strcpy(&gi->text.value[cursor_pos + 1], &text[cursor_pos]);
1306 gi->text.value[cursor_pos] = letter;
1307 gi->text.cursor_position++;
1308 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1310 else if (key == KEY_Left && cursor_pos > 0)
1312 gi->text.cursor_position--;
1313 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1315 else if (key == KEY_Right && cursor_pos < text_length)
1317 gi->text.cursor_position++;
1318 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1320 else if (key == KEY_BackSpace && cursor_pos > 0)
1322 strcpy(text, gi->text.value);
1323 strcpy(&gi->text.value[cursor_pos - 1], &text[cursor_pos]);
1324 gi->text.cursor_position--;
1325 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1327 else if (key == KEY_Delete && cursor_pos < text_length)
1329 strcpy(text, gi->text.value);
1330 strcpy(&gi->text.value[cursor_pos], &text[cursor_pos + 1]);
1331 DrawGadget(gi, DG_PRESSED, DG_DIRECT);
1333 else if (key == KEY_Return)
1335 CheckRangeOfNumericInputGadget(gi);
1336 DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
1338 gi->event.type = GD_EVENT_TEXT_RETURN;
1340 if (gi->event_mask & GD_EVENT_TEXT_RETURN)
1341 gi->callback_action(gi);