1 // ============================================================================
2 // Artsoft Retro-Game Library
3 // ----------------------------------------------------------------------------
4 // (c) 1995-2014 by Artsoft Entertainment
7 // http://www.artsoft.org/
8 // ----------------------------------------------------------------------------
10 // ============================================================================
20 /* values for DrawGadget() */
21 #define DG_UNPRESSED 0
27 #define GADGET_DEACTIVATED(g) ((g)->x < 0 || (g)->y < 0)
29 #define OPTION_TEXT_SELECTABLE(g, t) \
30 (t[0] != g->selectbox.char_unselectable && \
33 #define CURRENT_OPTION_SELECTABLE(g) \
34 OPTION_TEXT_SELECTABLE(g, g->selectbox.options[g->selectbox.current_index].text)
37 static struct GadgetInfo *gadget_list_first_entry = NULL;
38 static struct GadgetInfo *gadget_list_last_entry = NULL;
39 static struct GadgetInfo *last_info_gi = NULL;
40 static int next_free_gadget_id = 1;
41 static boolean gadget_id_wrapped = FALSE;
43 static void (*PlayGadgetSoundActivating)(void) = NULL;
44 static void (*PlayGadgetSoundSelecting)(void) = NULL;
47 void InitGadgetsSoundCallback(void (*activating_function)(void),
48 void (*selecting_function)(void))
50 PlayGadgetSoundActivating = activating_function;
51 PlayGadgetSoundSelecting = selecting_function;
54 static struct GadgetInfo *getGadgetInfoFromGadgetID(int id)
56 struct GadgetInfo *gi = gadget_list_first_entry;
58 while (gi && gi->id != id)
64 static int getNewGadgetID()
66 int id = next_free_gadget_id++;
68 if (next_free_gadget_id <= 0) /* counter overrun */
70 gadget_id_wrapped = TRUE; /* now we must check each ID */
71 next_free_gadget_id = 0;
74 if (gadget_id_wrapped)
76 next_free_gadget_id++;
77 while (getGadgetInfoFromGadgetID(next_free_gadget_id) != NULL)
78 next_free_gadget_id++;
81 if (next_free_gadget_id <= 0) /* cannot get new gadget id */
82 Error(ERR_EXIT, "too much gadgets -- this should not happen");
87 static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my,
90 struct GadgetInfo *gi;
92 /* first check for scrollbars in case of mouse scroll wheel button events */
93 if (IS_WHEEL_BUTTON(button))
95 /* real horizontal wheel or vertical wheel with modifier key pressed */
96 boolean check_horizontal = (IS_WHEEL_BUTTON_HORIZONTAL(button) ||
97 GetKeyModState() & KMOD_Shift);
99 /* check for the first active scrollbar directly under the mouse pointer */
100 for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
102 if (gi->mapped && gi->active &&
103 (gi->type & GD_TYPE_SCROLLBAR) &&
104 mx >= gi->x && mx < gi->x + gi->width &&
105 my >= gi->y && my < gi->y + gi->height)
109 /* check for the first active scrollbar with matching mouse wheel area */
110 for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
112 if (gi->mapped && gi->active &&
113 ((gi->type & GD_TYPE_SCROLLBAR_HORIZONTAL && check_horizontal) ||
114 (gi->type & GD_TYPE_SCROLLBAR_VERTICAL && !check_horizontal)) &&
115 mx >= gi->wheelarea.x && mx < gi->wheelarea.x + gi->wheelarea.width &&
116 my >= gi->wheelarea.y && my < gi->wheelarea.y + gi->wheelarea.height)
120 /* no active scrollbar found -- ignore this scroll wheel button event */
124 /* open selectboxes may overlap other active gadgets, so check them first */
125 for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
127 if (gi->mapped && gi->active &&
128 gi->type & GD_TYPE_SELECTBOX && gi->selectbox.open &&
129 mx >= gi->selectbox.x && mx < gi->selectbox.x + gi->selectbox.width &&
130 my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height)
134 /* check all other gadgets */
135 for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
137 if (gi->mapped && gi->active &&
138 mx >= gi->x && mx < gi->x + gi->width &&
139 my >= gi->y && my < gi->y + gi->height)
146 static void setTextAreaCursorExt(struct GadgetInfo *gi, boolean set_cursor_pos)
148 char *text = gi->textarea.value;
149 int area_xsize = gi->textarea.xsize;
150 int area_ysize = gi->textarea.ysize;
151 int cursor_position = gi->textarea.cursor_position;
152 int cursor_x = gi->textarea.cursor_x;
153 int cursor_y = gi->textarea.cursor_y;
160 if (set_cursor_pos) /* x/y => position */
162 if (y == cursor_y && (x == cursor_x || (x < cursor_x && *text == '\n')))
165 else /* position => x/y */
167 if (pos == cursor_position)
171 if (x + 1 >= area_xsize || *text == '\n')
173 if (y + 1 >= area_ysize)
186 gi->textarea.cursor_x = x;
187 gi->textarea.cursor_y = y;
188 gi->textarea.cursor_x_preferred = x;
189 gi->textarea.cursor_position = pos;
192 static void setTextAreaCursorXY(struct GadgetInfo *gi, int x, int y)
194 gi->textarea.cursor_x = x;
195 gi->textarea.cursor_y = y;
197 setTextAreaCursorExt(gi, TRUE);
200 static void setTextAreaCursorPosition(struct GadgetInfo *gi, int pos)
202 gi->textarea.cursor_position = pos;
204 setTextAreaCursorExt(gi, FALSE);
207 static void default_callback_info(void *ptr)
212 static void default_callback_action(void *ptr)
217 static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
219 struct GadgetDesign *gd;
220 int state = (pressed ? GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
221 boolean redraw_selectbox = FALSE;
226 gd = (!gi->active ? &gi->alt_design[state] :
227 gi->checked ? &gi->alt_design[state] : &gi->design[state]);
231 case GD_TYPE_NORMAL_BUTTON:
232 case GD_TYPE_CHECK_BUTTON:
233 case GD_TYPE_RADIO_BUTTON:
235 BlitBitmapOnBackground(gd->bitmap, drawto,
236 gd->x, gd->y, gi->width, gi->height,
239 if (gi->deco.design.bitmap)
241 // make sure that decoration does not overlap gadget border
242 int deco_x = gi->deco.x + (pressed ? gi->deco.xshift : 0);
243 int deco_y = gi->deco.y + (pressed ? gi->deco.yshift : 0);
244 int deco_width = MIN(gi->deco.width, gi->width - deco_x);
245 int deco_height = MIN(gi->deco.height, gi->height - deco_y);
247 BlitBitmap(gi->deco.design.bitmap, drawto,
248 gi->deco.design.x, gi->deco.design.y,
249 deco_width, deco_height, gi->x + deco_x, gi->y + deco_y);
254 case GD_TYPE_TEXT_BUTTON:
257 int font_nr = (gi->active ? gi->font_active : gi->font);
258 int font_width = getFontWidth(font_nr);
259 int border_x = gi->border.xsize;
260 int border_y = gi->border.ysize;
261 int text_size = strlen(gi->textbutton.value);
262 int text_start = (gi->width - text_size * font_width) / 2;
264 /* left part of gadget */
265 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
266 border_x, gi->height, gi->x, gi->y);
268 /* middle part of gadget */
269 for (i=0; i < gi->textbutton.size; i++)
270 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
271 font_width, gi->height,
272 gi->x + border_x + i * font_width, gi->y);
274 /* right part of gadget */
275 BlitBitmapOnBackground(gd->bitmap, drawto,
276 gd->x + gi->border.width - border_x, gd->y,
277 border_x, gi->height,
278 gi->x + gi->width - border_x, gi->y);
280 /* gadget text value */
282 gi->x + text_start + (pressed ? gi->deco.xshift : 0),
283 gi->y + border_y + (pressed ? gi->deco.yshift : 0),
284 gi->textbutton.value, font_nr, BLIT_MASKED);
288 case GD_TYPE_TEXT_INPUT_ALPHANUMERIC:
289 case GD_TYPE_TEXT_INPUT_NUMERIC:
293 char cursor_string[2];
294 char text[MAX_GADGET_TEXTSIZE + 1];
295 int font_nr = (pressed ? gi->font_active : gi->font);
296 int font_width = getFontWidth(font_nr);
297 int border_x = gi->border.xsize;
298 int border_y = gi->border.ysize;
300 /* left part of gadget */
301 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
302 border_x, gi->height, gi->x, gi->y);
304 /* middle part of gadget */
305 for (i=0; i < gi->textinput.size + 1; i++)
306 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
307 font_width, gi->height,
308 gi->x + border_x + i * font_width, gi->y);
310 /* right part of gadget */
311 BlitBitmapOnBackground(gd->bitmap, drawto,
312 gd->x + gi->border.width - border_x, gd->y,
313 border_x, gi->height,
314 gi->x + gi->width - border_x, gi->y);
317 strcpy(text, gi->textinput.value);
320 /* gadget text value */
322 gi->x + border_x, gi->y + border_y, text,
323 font_nr, BLIT_MASKED);
325 cursor_letter = gi->textinput.value[gi->textinput.cursor_position];
326 cursor_string[0] = (cursor_letter != '\0' ? cursor_letter : ' ');
327 cursor_string[1] = '\0';
329 /* draw cursor, if active */
333 gi->textinput.cursor_position * font_width,
334 gi->y + border_y, cursor_string,
335 font_nr, BLIT_INVERSE);
339 case GD_TYPE_TEXT_AREA:
343 char cursor_string[2];
344 int font_nr = (pressed ? gi->font_active : gi->font);
345 int font_width = getFontWidth(font_nr);
346 int font_height = getFontHeight(font_nr);
347 int border_x = gi->border.xsize;
348 int border_y = gi->border.ysize;
349 int gd_height = 2 * border_y + font_height;
351 /* top left part of gadget border */
352 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
353 border_x, border_y, gi->x, gi->y);
355 /* top middle part of gadget border */
356 for (i=0; i < gi->textarea.xsize; i++)
357 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
358 font_width, border_y,
359 gi->x + border_x + i * font_width, gi->y);
361 /* top right part of gadget border */
362 BlitBitmapOnBackground(gd->bitmap, drawto,
363 gd->x + gi->border.width - border_x, gd->y,
365 gi->x + gi->width - border_x, gi->y);
367 /* left and right part of gadget border for each row */
368 for (i=0; i < gi->textarea.ysize; i++)
370 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y + border_y,
371 border_x, font_height,
372 gi->x, gi->y + border_y + i * font_height);
373 BlitBitmapOnBackground(gd->bitmap, drawto,
374 gd->x + gi->border.width - border_x,
376 border_x, font_height,
377 gi->x + gi->width - border_x,
378 gi->y + border_y + i * font_height);
381 /* bottom left part of gadget border */
382 BlitBitmapOnBackground(gd->bitmap, drawto,
383 gd->x, gd->y + gd_height - border_y,
385 gi->x, gi->y + gi->height - border_y);
387 /* bottom middle part of gadget border */
388 for (i=0; i < gi->textarea.xsize; i++)
389 BlitBitmapOnBackground(gd->bitmap, drawto,
391 gd->y + gd_height - border_y,
392 font_width, border_y,
393 gi->x + border_x + i * font_width,
394 gi->y + gi->height - border_y);
396 /* bottom right part of gadget border */
397 BlitBitmapOnBackground(gd->bitmap, drawto,
398 gd->x + gi->border.width - border_x,
399 gd->y + gd_height - border_y,
401 gi->x + gi->width - border_x,
402 gi->y + gi->height - border_y);
404 ClearRectangleOnBackground(drawto,
407 gi->width - 2 * border_x,
408 gi->height - 2 * border_y);
410 /* gadget text value */
411 DrawTextBuffer(gi->x + border_x, gi->y + border_y, gi->textarea.value,
412 font_nr, gi->textarea.xsize, -1, gi->textarea.ysize, 0,
413 BLIT_ON_BACKGROUND, FALSE, FALSE, FALSE);
415 cursor_letter = gi->textarea.value[gi->textarea.cursor_position];
416 cursor_string[0] = (cursor_letter != '\0' ? cursor_letter : ' ');
417 cursor_string[1] = '\0';
419 /* draw cursor, if active */
422 gi->x + border_x + gi->textarea.cursor_x * font_width,
423 gi->y + border_y + gi->textarea.cursor_y * font_height,
425 font_nr, BLIT_INVERSE);
429 case GD_TYPE_SELECTBOX:
432 char text[MAX_GADGET_TEXTSIZE + 1];
433 int font_nr_default = (pressed ? gi->font_active : gi->font);
434 int font_nr = font_nr_default;
435 int font_width = getFontWidth(font_nr);
436 int font_height = getFontHeight(font_nr);
437 int border_x = gi->border.xsize;
438 int border_y = gi->border.ysize;
439 int button = gi->border.xsize_selectbutton;
440 int width_inner = gi->border.width - button - 2 * border_x;
441 int box_width = gi->selectbox.width;
442 int box_height = gi->selectbox.height;
444 /* left part of gadget */
445 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
446 border_x, gi->height, gi->x, gi->y);
448 /* middle part of gadget */
449 for (i=0; i < gi->selectbox.size; i++)
450 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
451 font_width, gi->height,
452 gi->x + border_x + i * font_width, gi->y);
454 /* button part of gadget */
455 BlitBitmapOnBackground(gd->bitmap, drawto,
456 gd->x + border_x + width_inner, gd->y,
458 gi->x + gi->width - border_x - button, gi->y);
460 /* right part of gadget */
461 BlitBitmapOnBackground(gd->bitmap, drawto,
462 gd->x + gi->border.width - border_x, gd->y,
463 border_x, gi->height,
464 gi->x + gi->width - border_x, gi->y);
467 strncpy(text, gi->selectbox.options[gi->selectbox.index].text,
469 text[gi->selectbox.size] = '\0';
472 font_nr = (OPTION_TEXT_SELECTABLE(gi, text) ? font_nr_default :
473 gi->font_unselectable);
475 /* gadget text value */
476 DrawTextExt(drawto, gi->x + border_x, gi->y + border_y, text,
477 font_nr, BLIT_MASKED);
481 if (!gi->selectbox.open)
483 gi->selectbox.open = TRUE;
484 gi->selectbox.stay_open = FALSE;
485 gi->selectbox.current_index = gi->selectbox.index;
487 /* save background under selectbox */
488 BlitBitmap(drawto, gfx.field_save_buffer,
489 gi->selectbox.x, gi->selectbox.y,
490 gi->selectbox.width, gi->selectbox.height,
491 gi->selectbox.x, gi->selectbox.y);
494 /* draw open selectbox */
496 /* top left part of gadget border */
497 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
499 gi->selectbox.x, gi->selectbox.y);
501 /* top middle part of gadget border */
502 for (i=0; i < gi->selectbox.size; i++)
503 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
504 font_width, border_y,
505 gi->selectbox.x + border_x + i * font_width,
508 /* top button part of gadget border */
509 BlitBitmapOnBackground(gd->bitmap, drawto,
510 gd->x + border_x + width_inner, gd->y,
512 gi->selectbox.x + box_width -border_x -button,
515 /* top right part of gadget border */
516 BlitBitmapOnBackground(gd->bitmap, drawto,
517 gd->x + gi->border.width - border_x, gd->y,
519 gi->selectbox.x + box_width - border_x,
522 /* left and right part of gadget border for each row */
523 for (i=0; i < gi->selectbox.num_values; i++)
525 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y + border_y,
526 border_x, font_height,
528 gi->selectbox.y + border_y + i*font_height);
529 BlitBitmapOnBackground(gd->bitmap, drawto,
530 gd->x + gi->border.width - border_x,
532 border_x, font_height,
533 gi->selectbox.x + box_width - border_x,
534 gi->selectbox.y + border_y + i*font_height);
537 /* bottom left part of gadget border */
538 BlitBitmapOnBackground(gd->bitmap, drawto,
539 gd->x, gd->y + gi->height - border_y,
542 gi->selectbox.y + box_height - border_y);
544 /* bottom middle part of gadget border */
545 for (i=0; i < gi->selectbox.size; i++)
546 BlitBitmapOnBackground(gd->bitmap, drawto,
548 gd->y + gi->height - border_y,
549 font_width, border_y,
550 gi->selectbox.x + border_x + i * font_width,
551 gi->selectbox.y + box_height - border_y);
553 /* bottom button part of gadget border */
554 BlitBitmapOnBackground(gd->bitmap, drawto,
555 gd->x + border_x + width_inner,
556 gd->y + gi->height - border_y,
558 gi->selectbox.x + box_width -border_x -button,
559 gi->selectbox.y + box_height - border_y);
561 /* bottom right part of gadget border */
562 BlitBitmapOnBackground(gd->bitmap, drawto,
563 gd->x + gi->border.width - border_x,
564 gd->y + gi->height - border_y,
566 gi->selectbox.x + box_width - border_x,
567 gi->selectbox.y + box_height - border_y);
569 ClearRectangleOnBackground(drawto,
570 gi->selectbox.x + border_x,
571 gi->selectbox.y + border_y,
572 gi->selectbox.width - 2 * border_x,
573 gi->selectbox.height - 2 * border_y);
575 /* selectbox text values */
576 for (i=0; i < gi->selectbox.num_values; i++)
578 int mask_mode = BLIT_MASKED;
580 strncpy(text, gi->selectbox.options[i].text, gi->selectbox.size);
581 text[gi->selectbox.size] = '\0';
583 font_nr = (OPTION_TEXT_SELECTABLE(gi, text) ? font_nr_default :
584 gi->font_unselectable);
586 if (i == gi->selectbox.current_index &&
587 OPTION_TEXT_SELECTABLE(gi, text))
589 FillRectangle(drawto,
590 gi->selectbox.x + border_x,
591 gi->selectbox.y + border_y + i * font_height,
592 gi->selectbox.width - 2 * border_x, font_height,
593 gi->selectbox.inverse_color);
595 /* prevent use of cursor graphic by drawing at least two chars */
597 text[gi->selectbox.size] = '\0';
599 mask_mode = BLIT_INVERSE;
603 gi->selectbox.x + border_x,
604 gi->selectbox.y + border_y + i * font_height, text,
608 redraw_selectbox = TRUE;
610 else if (gi->selectbox.open)
612 gi->selectbox.open = FALSE;
614 /* restore background under selectbox */
615 BlitBitmap(gfx.field_save_buffer, drawto,
616 gi->selectbox.x, gi->selectbox.y,
617 gi->selectbox.width, gi->selectbox.height,
618 gi->selectbox.x, gi->selectbox.y);
620 /* redraw closed selectbox */
621 DrawGadget(gi, FALSE, FALSE);
623 redraw_selectbox = TRUE;
628 case GD_TYPE_SCROLLBAR_VERTICAL:
632 int ypos = gi->y + gi->scrollbar.position;
633 int design_full = gi->width;
634 int design_body = design_full - 2 * gi->border.ysize;
635 int size_full = gi->scrollbar.size;
636 int size_body = size_full - 2 * gi->border.ysize;
637 int num_steps = size_body / design_body;
638 int step_size_remain = size_body - num_steps * design_body;
640 /* clear scrollbar area */
641 ClearRectangleOnBackground(backbuffer, gi->x, gi->y,
642 gi->width, gi->height);
644 /* upper part of gadget */
645 BlitBitmapOnBackground(gd->bitmap, drawto,
647 gi->width, gi->border.ysize,
650 /* middle part of gadget */
651 for (i=0; i < num_steps; i++)
652 BlitBitmapOnBackground(gd->bitmap, drawto,
653 gd->x, gd->y + gi->border.ysize,
654 gi->width, design_body,
656 ypos + gi->border.ysize + i * design_body);
658 /* remaining middle part of gadget */
659 if (step_size_remain > 0)
660 BlitBitmapOnBackground(gd->bitmap, drawto,
661 gd->x, gd->y + gi->border.ysize,
662 gi->width, step_size_remain,
664 ypos + gi->border.ysize
665 + num_steps * design_body);
667 /* lower part of gadget */
668 BlitBitmapOnBackground(gd->bitmap, drawto,
669 gd->x, gd->y + design_full - gi->border.ysize,
670 gi->width, gi->border.ysize,
671 xpos, ypos + size_full - gi->border.ysize);
675 case GD_TYPE_SCROLLBAR_HORIZONTAL:
678 int xpos = gi->x + gi->scrollbar.position;
680 int design_full = gi->height;
681 int design_body = design_full - 2 * gi->border.xsize;
682 int size_full = gi->scrollbar.size;
683 int size_body = size_full - 2 * gi->border.xsize;
684 int num_steps = size_body / design_body;
685 int step_size_remain = size_body - num_steps * design_body;
687 /* clear scrollbar area */
688 ClearRectangleOnBackground(backbuffer, gi->x, gi->y,
689 gi->width, gi->height);
691 /* left part of gadget */
692 BlitBitmapOnBackground(gd->bitmap, drawto,
694 gi->border.xsize, gi->height,
697 /* middle part of gadget */
698 for (i=0; i < num_steps; i++)
699 BlitBitmapOnBackground(gd->bitmap, drawto,
700 gd->x + gi->border.xsize, gd->y,
701 design_body, gi->height,
702 xpos + gi->border.xsize + i * design_body,
705 /* remaining middle part of gadget */
706 if (step_size_remain > 0)
707 BlitBitmapOnBackground(gd->bitmap, drawto,
708 gd->x + gi->border.xsize, gd->y,
709 step_size_remain, gi->height,
710 xpos + gi->border.xsize
711 + num_steps * design_body,
714 /* right part of gadget */
715 BlitBitmapOnBackground(gd->bitmap, drawto,
716 gd->x + design_full - gi->border.xsize, gd->y,
717 gi->border.xsize, gi->height,
718 xpos + size_full - gi->border.xsize, ypos);
726 // do not use direct gadget drawing anymore; this worked as a speed-up once,
727 // but would slow things down a lot now the screen is always fully redrawn
732 BlitBitmap(drawto, window,
733 gi->x, gi->y, gi->width, gi->height, gi->x, gi->y);
735 if (gi->type == GD_TYPE_SELECTBOX && redraw_selectbox)
736 BlitBitmap(drawto, window,
737 gi->selectbox.x, gi->selectbox.y,
738 gi->selectbox.width, gi->selectbox.height,
739 gi->selectbox.x, gi->selectbox.y);
746 redraw_mask |= (IN_GFX_FIELD_FULL(x, y) ? REDRAW_FIELD :
747 IN_GFX_DOOR_1(x, y) ? REDRAW_DOOR_1 :
748 IN_GFX_DOOR_2(x, y) ? REDRAW_DOOR_2 :
749 IN_GFX_DOOR_3(x, y) ? REDRAW_DOOR_3 : REDRAW_ALL);
753 static int get_minimal_size_for_numeric_input(int minmax_value)
755 int min_size = 1; /* value needs at least one digit */
758 /* add number of digits needed for absolute value */
759 for (i = 10; i <= ABS(minmax_value); i *= 10)
762 /* if min/max value is negative, add one digit for minus sign */
763 if (minmax_value < 0)
769 static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
776 while (tag != GDI_END)
781 gi->custom_id = va_arg(ap, int);
784 case GDI_CUSTOM_TYPE_ID:
785 gi->custom_type_id = va_arg(ap, int);
790 int max_textsize = MAX_INFO_TEXTSIZE;
791 char *text = va_arg(ap, char *);
794 strncpy(gi->info_text, text, max_textsize);
798 gi->info_text[max_textsize] = '\0';
803 gi->x = va_arg(ap, int);
807 gi->y = va_arg(ap, int);
811 gi->width = va_arg(ap, int);
815 gi->height = va_arg(ap, int);
819 gi->type = va_arg(ap, unsigned int);
823 gi->state = va_arg(ap, unsigned int);
827 gi->active = (boolean)va_arg(ap, int);
830 case GDI_DIRECT_DRAW:
831 gi->direct_draw = (boolean)va_arg(ap, int);
835 gi->checked = (boolean)va_arg(ap, int);
839 gi->radio_nr = va_arg(ap, unsigned int);
842 case GDI_NUMBER_VALUE:
843 gi->textinput.number_value = va_arg(ap, int);
844 sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
845 strcpy(gi->textinput.last_value, gi->textinput.value);
846 gi->textinput.cursor_position = strlen(gi->textinput.value);
850 gi->textinput.number_min = va_arg(ap, int);
851 if (gi->textinput.number_value < gi->textinput.number_min)
853 gi->textinput.number_value = gi->textinput.number_min;
854 sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
855 strcpy(gi->textinput.last_value, gi->textinput.value);
860 gi->textinput.number_max = va_arg(ap, int);
861 if (gi->textinput.number_value > gi->textinput.number_max)
863 gi->textinput.number_value = gi->textinput.number_max;
864 sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
865 strcpy(gi->textinput.last_value, gi->textinput.value);
871 int max_textsize = MAX_GADGET_TEXTSIZE;
873 if (gi->textinput.size)
874 max_textsize = MIN(gi->textinput.size, MAX_GADGET_TEXTSIZE);
876 strncpy(gi->textinput.value, va_arg(ap, char *), max_textsize);
877 strcpy(gi->textinput.last_value, gi->textinput.value);
879 gi->textinput.value[max_textsize] = '\0';
880 gi->textinput.cursor_position = strlen(gi->textinput.value);
882 /* same tag also used for other gadget definitions */
883 strcpy(gi->textbutton.value, gi->textinput.value);
884 strcpy(gi->textarea.value, gi->textinput.value);
885 strcpy(gi->textarea.last_value, gi->textinput.value);
891 int tag_value = va_arg(ap, int);
892 int max_textsize = MIN(tag_value, MAX_GADGET_TEXTSIZE);
894 gi->textinput.size = max_textsize;
895 gi->textinput.value[max_textsize] = '\0';
896 strcpy(gi->textinput.last_value, gi->textinput.value);
898 /* same tag also used for other gadget definitions */
900 gi->textarea.size = max_textsize;
901 gi->textarea.value[max_textsize] = '\0';
902 strcpy(gi->textarea.last_value, gi->textinput.value);
904 gi->textbutton.size = max_textsize;
905 gi->textbutton.value[max_textsize] = '\0';
907 gi->selectbox.size = gi->textinput.size;
912 gi->font = va_arg(ap, int);
913 if (gi->font_active == 0)
914 gi->font_active = gi->font;
915 if (gi->font_unselectable == 0)
916 gi->font_unselectable = gi->font;
919 case GDI_TEXT_FONT_ACTIVE:
920 gi->font_active = va_arg(ap, int);
923 case GDI_TEXT_FONT_UNSELECTABLE:
924 gi->font_unselectable = va_arg(ap, int);
927 case GDI_SELECTBOX_OPTIONS:
928 gi->selectbox.options = va_arg(ap, struct ValueTextInfo *);
931 case GDI_SELECTBOX_INDEX:
932 gi->selectbox.index = va_arg(ap, int);
935 case GDI_SELECTBOX_CHAR_UNSELECTABLE:
936 gi->selectbox.char_unselectable = (char)va_arg(ap, int);
939 case GDI_DESIGN_UNPRESSED:
940 gi->design[GD_BUTTON_UNPRESSED].bitmap = va_arg(ap, Bitmap *);
941 gi->design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
942 gi->design[GD_BUTTON_UNPRESSED].y = va_arg(ap, int);
945 case GDI_DESIGN_PRESSED:
946 gi->design[GD_BUTTON_PRESSED].bitmap = va_arg(ap, Bitmap *);
947 gi->design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
948 gi->design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
951 case GDI_ALT_DESIGN_UNPRESSED:
952 gi->alt_design[GD_BUTTON_UNPRESSED].bitmap= va_arg(ap, Bitmap *);
953 gi->alt_design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
954 gi->alt_design[GD_BUTTON_UNPRESSED].y = va_arg(ap, int);
957 case GDI_ALT_DESIGN_PRESSED:
958 gi->alt_design[GD_BUTTON_PRESSED].bitmap = va_arg(ap, Bitmap *);
959 gi->alt_design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
960 gi->alt_design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
963 case GDI_BORDER_SIZE:
964 gi->border.xsize = va_arg(ap, int);
965 gi->border.ysize = va_arg(ap, int);
968 case GDI_BORDER_SIZE_SELECTBUTTON:
969 gi->border.xsize_selectbutton = va_arg(ap, int);
972 case GDI_DESIGN_WIDTH:
973 gi->border.width = va_arg(ap, int);
976 case GDI_DECORATION_DESIGN:
977 gi->deco.design.bitmap = va_arg(ap, Bitmap *);
978 gi->deco.design.x = va_arg(ap, int);
979 gi->deco.design.y = va_arg(ap, int);
982 case GDI_DECORATION_POSITION:
983 gi->deco.x = va_arg(ap, int);
984 gi->deco.y = va_arg(ap, int);
987 case GDI_DECORATION_SIZE:
988 gi->deco.width = va_arg(ap, int);
989 gi->deco.height = va_arg(ap, int);
992 case GDI_DECORATION_SHIFTING:
993 gi->deco.xshift = va_arg(ap, int);
994 gi->deco.yshift = va_arg(ap, int);
998 gi->event_mask = va_arg(ap, unsigned int);
1002 gi->drawing.area_xsize = va_arg(ap, int);
1003 gi->drawing.area_ysize = va_arg(ap, int);
1005 /* determine dependent values for drawing area gadget, if needed */
1006 if (gi->drawing.item_xsize != 0 && gi->drawing.item_ysize != 0)
1008 gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
1009 gi->height = gi->drawing.area_ysize * gi->drawing.item_ysize;
1011 else if (gi->width != 0 && gi->height != 0)
1013 gi->drawing.item_xsize = gi->width / gi->drawing.area_xsize;
1014 gi->drawing.item_ysize = gi->height / gi->drawing.area_ysize;
1017 /* same tag also used for other gadget definitions */
1018 gi->textarea.xsize = gi->drawing.area_xsize;
1019 gi->textarea.ysize = gi->drawing.area_ysize;
1021 if (gi->type & GD_TYPE_TEXT_AREA) /* force recalculation */
1030 gi->drawing.item_xsize = va_arg(ap, int);
1031 gi->drawing.item_ysize = va_arg(ap, int);
1033 /* determine dependent values for drawing area gadget, if needed */
1034 if (gi->drawing.area_xsize != 0 && gi->drawing.area_ysize != 0)
1036 gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
1037 gi->height = gi->drawing.area_ysize * gi->drawing.item_ysize;
1039 else if (gi->width != 0 && gi->height != 0)
1041 gi->drawing.area_xsize = gi->width / gi->drawing.item_xsize;
1042 gi->drawing.area_ysize = gi->height / gi->drawing.item_ysize;
1046 case GDI_SCROLLBAR_ITEMS_MAX:
1047 gi->scrollbar.items_max = va_arg(ap, int);
1050 case GDI_SCROLLBAR_ITEMS_VISIBLE:
1051 gi->scrollbar.items_visible = va_arg(ap, int);
1054 case GDI_SCROLLBAR_ITEM_POSITION:
1055 gi->scrollbar.item_position = va_arg(ap, int);
1058 case GDI_WHEEL_AREA_X:
1059 gi->wheelarea.x = va_arg(ap, int);
1062 case GDI_WHEEL_AREA_Y:
1063 gi->wheelarea.y = va_arg(ap, int);
1066 case GDI_WHEEL_AREA_WIDTH:
1067 gi->wheelarea.width = va_arg(ap, int);
1070 case GDI_WHEEL_AREA_HEIGHT:
1071 gi->wheelarea.height = va_arg(ap, int);
1074 case GDI_CALLBACK_INFO:
1075 gi->callback_info = va_arg(ap, gadget_function);
1078 case GDI_CALLBACK_ACTION:
1079 gi->callback_action = va_arg(ap, gadget_function);
1083 Error(ERR_EXIT, "HandleGadgetTags(): unknown tag %d", tag);
1086 tag = va_arg(ap, int); /* read next tag */
1089 /* check if gadget is complete */
1090 if (gi->type != GD_TYPE_DRAWING_AREA &&
1091 (!gi->design[GD_BUTTON_UNPRESSED].bitmap ||
1092 !gi->design[GD_BUTTON_PRESSED].bitmap))
1093 Error(ERR_EXIT, "gadget incomplete (missing Bitmap)");
1095 /* adjust gadget values in relation to other gadget values */
1097 if (gi->type & GD_TYPE_TEXT_INPUT)
1099 int font_nr = gi->font_active;
1100 int font_width = getFontWidth(font_nr);
1101 int font_height = getFontHeight(font_nr);
1102 int border_xsize = gi->border.xsize;
1103 int border_ysize = gi->border.ysize;
1105 if (gi->type == GD_TYPE_TEXT_INPUT_NUMERIC)
1107 int number_min = gi->textinput.number_min;
1108 int number_max = gi->textinput.number_max;
1109 int min_size_min = get_minimal_size_for_numeric_input(number_min);
1110 int min_size_max = get_minimal_size_for_numeric_input(number_max);
1111 int min_size = MAX(min_size_min, min_size_max);
1113 /* expand gadget text input size, if maximal value is too large */
1114 if (gi->textinput.size < min_size)
1115 gi->textinput.size = min_size;
1118 gi->width = 2 * border_xsize + (gi->textinput.size + 1) * font_width;
1119 gi->height = 2 * border_ysize + font_height;
1122 if (gi->type & GD_TYPE_SELECTBOX)
1124 int font_nr = gi->font_active;
1125 int font_width = getFontWidth(font_nr);
1126 int font_height = getFontHeight(font_nr);
1127 int border_xsize = gi->border.xsize;
1128 int border_ysize = gi->border.ysize;
1129 int button_size = gi->border.xsize_selectbutton;
1130 int bottom_screen_border = gfx.sy + gfx.sysize - font_height;
1134 gi->width = 2 * border_xsize + gi->textinput.size*font_width +button_size;
1135 gi->height = 2 * border_ysize + font_height;
1137 if (gi->selectbox.options == NULL)
1138 Error(ERR_EXIT, "selectbox gadget incomplete (missing options array)");
1140 gi->selectbox.num_values = 0;
1141 while (gi->selectbox.options[gi->selectbox.num_values].text != NULL)
1142 gi->selectbox.num_values++;
1144 /* calculate values for open selectbox */
1145 gi->selectbox.width = gi->width;
1146 gi->selectbox.height =
1147 2 * border_ysize + gi->selectbox.num_values * font_height;
1149 gi->selectbox.x = gi->x;
1150 gi->selectbox.y = gi->y + gi->height;
1151 if (gi->selectbox.y + gi->selectbox.height > bottom_screen_border)
1152 gi->selectbox.y = gi->y - gi->selectbox.height;
1153 if (gi->selectbox.y < 0)
1154 gi->selectbox.y = bottom_screen_border - gi->selectbox.height;
1156 getFontCharSource(font_nr, FONT_ASCII_CURSOR, &src_bitmap, &src_x, &src_y);
1157 src_x += font_width / 2;
1158 src_y += font_height / 2;
1160 /* there may be esoteric cases with missing or too small font bitmap */
1161 if (src_bitmap != NULL &&
1162 src_x < src_bitmap->width && src_y < src_bitmap->height)
1163 gi->selectbox.inverse_color = GetPixel(src_bitmap, src_x, src_y);
1165 /* always start with closed selectbox */
1166 gi->selectbox.open = FALSE;
1169 if (gi->type & GD_TYPE_TEXT_INPUT_NUMERIC)
1171 struct GadgetTextInput *text = &gi->textinput;
1172 int value = text->number_value;
1174 text->number_value = (value < text->number_min ? text->number_min :
1175 value > text->number_max ? text->number_max :
1178 sprintf(text->value, "%d", text->number_value);
1181 if (gi->type & GD_TYPE_TEXT_BUTTON)
1183 int font_nr = gi->font_active;
1184 int font_width = getFontWidth(font_nr);
1185 int font_height = getFontHeight(font_nr);
1186 int border_xsize = gi->border.xsize;
1187 int border_ysize = gi->border.ysize;
1189 gi->width = 2 * border_xsize + gi->textbutton.size * font_width;
1190 gi->height = 2 * border_ysize + font_height;
1193 if (gi->type & GD_TYPE_SCROLLBAR)
1195 struct GadgetScrollbar *gs = &gi->scrollbar;
1196 int scrollbar_size_cmp;
1198 if (gi->width == 0 || gi->height == 0 ||
1199 gs->items_max == 0 || gs->items_visible == 0)
1200 Error(ERR_EXIT, "scrollbar gadget incomplete (missing tags)");
1202 /* calculate internal scrollbar values */
1203 gs->size_min = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
1204 gi->width : gi->height);
1205 gs->size_max = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
1206 gi->height : gi->width);
1208 scrollbar_size_cmp = gs->size_max * gs->items_visible / gs->items_max;
1209 gs->size = MAX(scrollbar_size_cmp, gs->size_min);
1210 gs->size_max_cmp = (gs->size_max - (gs->size - scrollbar_size_cmp));
1212 gs->position = gs->size_max_cmp * gs->item_position / gs->items_max;
1213 gs->position_max = gs->size_max - gs->size;
1214 gs->correction = gs->size_max / gs->items_max / 2;
1216 /* finetuning for maximal right/bottom position */
1217 if (gs->item_position == gs->items_max - gs->items_visible)
1218 gs->position = gs->position_max;
1221 if (gi->type & GD_TYPE_TEXT_AREA)
1223 int font_nr = gi->font_active;
1224 int font_width = getFontWidth(font_nr);
1225 int font_height = getFontHeight(font_nr);
1226 int border_xsize = gi->border.xsize;
1227 int border_ysize = gi->border.ysize;
1229 if (gi->width == 0 || gi->height == 0)
1231 gi->width = 2 * border_xsize + gi->textarea.xsize * font_width;
1232 gi->height = 2 * border_ysize + gi->textarea.ysize * font_height;
1236 gi->textarea.xsize = (gi->width - 2 * border_xsize) / font_width;
1237 gi->textarea.ysize = (gi->height - 2 * border_ysize) / font_height;
1242 void ModifyGadget(struct GadgetInfo *gi, int first_tag, ...)
1246 va_start(ap, first_tag);
1247 HandleGadgetTags(gi, first_tag, ap);
1253 void RedrawGadget(struct GadgetInfo *gi)
1259 DrawGadget(gi, gi->state, gi->direct_draw);
1262 struct GadgetInfo *CreateGadget(int first_tag, ...)
1264 struct GadgetInfo *new_gadget = checked_calloc(sizeof(struct GadgetInfo));
1267 /* always start with reliable default values */
1268 new_gadget->id = getNewGadgetID();
1269 new_gadget->callback_info = default_callback_info;
1270 new_gadget->callback_action = default_callback_action;
1271 new_gadget->active = TRUE;
1272 new_gadget->direct_draw = TRUE;
1274 new_gadget->next = NULL;
1276 va_start(ap, first_tag);
1277 HandleGadgetTags(new_gadget, first_tag, ap);
1280 /* insert new gadget into global gadget list */
1281 if (gadget_list_last_entry)
1283 gadget_list_last_entry->next = new_gadget;
1284 gadget_list_last_entry = gadget_list_last_entry->next;
1287 gadget_list_first_entry = gadget_list_last_entry = new_gadget;
1292 void FreeGadget(struct GadgetInfo *gi)
1294 struct GadgetInfo *gi_previous = gadget_list_first_entry;
1299 /* prevent "last_info_gi" from pointing to memory that will be freed */
1300 if (last_info_gi == gi)
1301 last_info_gi = NULL;
1303 while (gi_previous != NULL && gi_previous->next != gi)
1304 gi_previous = gi_previous->next;
1306 if (gi == gadget_list_first_entry)
1307 gadget_list_first_entry = gi->next;
1309 if (gi == gadget_list_last_entry)
1310 gadget_list_last_entry = gi_previous;
1312 if (gi_previous != NULL)
1313 gi_previous->next = gi->next;
1318 static void CheckRangeOfNumericInputGadget(struct GadgetInfo *gi)
1320 if (gi->type != GD_TYPE_TEXT_INPUT_NUMERIC)
1323 gi->textinput.number_value = atoi(gi->textinput.value);
1325 if (gi->textinput.number_value < gi->textinput.number_min)
1326 gi->textinput.number_value = gi->textinput.number_min;
1327 if (gi->textinput.number_value > gi->textinput.number_max)
1328 gi->textinput.number_value = gi->textinput.number_max;
1330 sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
1332 if (gi->textinput.cursor_position < 0)
1333 gi->textinput.cursor_position = 0;
1334 else if (gi->textinput.cursor_position > strlen(gi->textinput.value))
1335 gi->textinput.cursor_position = strlen(gi->textinput.value);
1338 /* global pointer to gadget actually in use (when mouse button pressed) */
1339 static struct GadgetInfo *last_gi = NULL;
1341 static void MapGadgetExt(struct GadgetInfo *gi, boolean redraw)
1343 if (gi == NULL || gi->mapped || GADGET_DEACTIVATED(gi))
1349 DrawGadget(gi, DG_UNPRESSED, DG_BUFFERED);
1352 void MapGadget(struct GadgetInfo *gi)
1354 MapGadgetExt(gi, TRUE);
1357 void UnmapGadget(struct GadgetInfo *gi)
1359 if (gi == NULL || !gi->mapped)
1368 #define MAX_NUM_GADGETS 1024
1369 #define MULTIMAP_UNMAP (1 << 0)
1370 #define MULTIMAP_REMAP (1 << 1)
1371 #define MULTIMAP_REDRAW (1 << 2)
1372 #define MULTIMAP_PLAYFIELD (1 << 3)
1373 #define MULTIMAP_DOOR_1 (1 << 4)
1374 #define MULTIMAP_DOOR_2 (1 << 5)
1375 #define MULTIMAP_DOOR_3 (1 << 6)
1376 #define MULTIMAP_ALL (MULTIMAP_PLAYFIELD | \
1381 static void MultiMapGadgets(int mode)
1383 struct GadgetInfo *gi = gadget_list_first_entry;
1384 static boolean map_state[MAX_NUM_GADGETS];
1392 if ((mode & MULTIMAP_PLAYFIELD && IN_GFX_FIELD_FULL(x, y)) ||
1393 (mode & MULTIMAP_DOOR_1 && IN_GFX_DOOR_1(x, y)) ||
1394 (mode & MULTIMAP_DOOR_2 && IN_GFX_DOOR_2(x, y)) ||
1395 (mode & MULTIMAP_DOOR_3 && IN_GFX_DOOR_3(x, y)) ||
1396 (mode & MULTIMAP_ALL) == MULTIMAP_ALL)
1398 if (mode & MULTIMAP_UNMAP)
1400 map_state[map_count++ % MAX_NUM_GADGETS] = gi->mapped;
1405 if (map_state[map_count++ % MAX_NUM_GADGETS])
1406 MapGadgetExt(gi, (mode & MULTIMAP_REDRAW));
1414 void UnmapAllGadgets()
1416 MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_UNMAP);
1419 void RemapAllGadgets()
1421 MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_REMAP);
1424 boolean anyTextInputGadgetActive()
1426 return (last_gi && (last_gi->type & GD_TYPE_TEXT_INPUT) && last_gi->mapped);
1429 boolean anyTextAreaGadgetActive()
1431 return (last_gi && (last_gi->type & GD_TYPE_TEXT_AREA) && last_gi->mapped);
1434 boolean anySelectboxGadgetActive()
1436 return (last_gi && (last_gi->type & GD_TYPE_SELECTBOX) && last_gi->mapped);
1439 boolean anyScrollbarGadgetActive()
1441 return (last_gi && (last_gi->type & GD_TYPE_SCROLLBAR) && last_gi->mapped);
1444 boolean anyTextGadgetActive()
1446 return (anyTextInputGadgetActive() ||
1447 anyTextAreaGadgetActive() ||
1448 anySelectboxGadgetActive());
1451 static boolean insideSelectboxLine(struct GadgetInfo *gi, int mx, int my)
1453 return (gi != NULL &&
1454 gi->type & GD_TYPE_SELECTBOX &&
1455 mx >= gi->x && mx < gi->x + gi->width &&
1456 my >= gi->y && my < gi->y + gi->height);
1459 static boolean insideSelectboxArea(struct GadgetInfo *gi, int mx, int my)
1461 return (gi != NULL &&
1462 gi->type & GD_TYPE_SELECTBOX &&
1463 mx >= gi->selectbox.x && mx < gi->selectbox.x + gi->selectbox.width &&
1464 my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height);
1467 void ClickOnGadget(struct GadgetInfo *gi, int button)
1472 /* simulate releasing mouse button over last gadget, if still pressed */
1474 HandleGadgets(-1, -1, 0);
1476 /* simulate pressing mouse button over specified gadget */
1477 HandleGadgets(gi->x, gi->y, button);
1479 /* simulate releasing mouse button over specified gadget */
1480 HandleGadgets(gi->x, gi->y, 0);
1483 boolean HandleGadgets(int mx, int my, int button)
1485 static unsigned int pressed_delay = 0;
1486 static unsigned int pressed_delay_value = GADGET_FRAME_DELAY;
1487 static int last_button = 0;
1488 static int last_mx = 0, last_my = 0;
1489 static int pressed_mx = 0, pressed_my = 0;
1490 static boolean keep_selectbox_open = FALSE;
1491 static boolean gadget_stopped = FALSE;
1492 int scrollbar_mouse_pos = 0;
1493 struct GadgetInfo *new_gi, *gi;
1494 boolean press_event;
1495 boolean release_event;
1496 boolean mouse_moving;
1497 boolean mouse_inside_select_line;
1498 boolean mouse_inside_select_area;
1499 boolean mouse_released_where_pressed;
1500 boolean gadget_pressed;
1501 boolean gadget_pressed_repeated;
1502 boolean gadget_pressed_off_borders;
1503 boolean gadget_pressed_inside_select_line;
1504 boolean gadget_pressed_delay_reached;
1505 boolean gadget_moving;
1506 boolean gadget_moving_inside;
1507 boolean gadget_moving_off_borders;
1508 boolean gadget_draggable;
1509 boolean gadget_dragging;
1510 boolean gadget_released;
1511 boolean gadget_released_inside;
1512 boolean gadget_released_inside_select_area;
1513 boolean gadget_released_off_borders;
1514 boolean changed_position = FALSE;
1516 /* check if there are any gadgets defined */
1517 if (gadget_list_first_entry == NULL)
1520 /* simulated release of mouse button over last gadget */
1521 if (mx == -1 && my == -1 && button == 0)
1527 /* check which gadget is under the mouse pointer */
1528 new_gi = getGadgetInfoFromMousePosition(mx, my, button);
1530 /* check if button state has changed since last invocation */
1531 press_event = (button != 0 && last_button == 0);
1532 release_event = (button == 0 && last_button != 0);
1533 last_button = button;
1535 /* check if mouse has been moved since last invocation */
1536 mouse_moving = ((mx != last_mx || my != last_my) && motion_status);
1540 if (press_event && new_gi != last_gi)
1546 mouse_released_where_pressed =
1547 (release_event && mx == pressed_mx && my == pressed_my);
1549 mouse_inside_select_line = insideSelectboxLine(new_gi, mx, my);
1550 mouse_inside_select_area = insideSelectboxArea(new_gi, mx, my);
1552 gadget_pressed_off_borders = (press_event && new_gi != last_gi);
1554 gadget_pressed_inside_select_line =
1555 (press_event && new_gi != NULL &&
1556 new_gi->type & GD_TYPE_SELECTBOX && new_gi->selectbox.open &&
1557 insideSelectboxLine(new_gi, mx, my));
1559 /* if mouse button pressed outside text or selectbox gadget, deactivate it */
1560 if (anyTextGadgetActive() &&
1561 (gadget_pressed_off_borders ||
1562 (gadget_pressed_inside_select_line && !mouse_inside_select_area)))
1564 struct GadgetInfo *gi = last_gi;
1565 boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_LEAVING) != 0);
1567 /* check if text gadget has changed its value */
1568 if (gi->type & GD_TYPE_TEXT_INPUT)
1570 CheckRangeOfNumericInputGadget(gi);
1572 if (!strEqual(gi->textinput.last_value, gi->textinput.value))
1573 strcpy(gi->textinput.last_value, gi->textinput.value);
1575 gadget_changed = FALSE;
1578 /* selectbox does not change its value when closed by clicking outside */
1579 if (gi->type & GD_TYPE_SELECTBOX)
1580 gadget_changed = FALSE;
1582 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
1584 gi->event.type = GD_EVENT_TEXT_LEAVING;
1586 if (gadget_changed && !(gi->type & GD_TYPE_SELECTBOX))
1587 gi->callback_action(gi);
1591 if (gadget_pressed_inside_select_line)
1596 (button != 0 && last_gi == NULL && new_gi != NULL && press_event);
1597 gadget_pressed_repeated =
1598 (button != 0 && last_gi != NULL && new_gi == last_gi);
1600 gadget_pressed_delay_reached =
1601 DelayReached(&pressed_delay, pressed_delay_value);
1603 gadget_released = (release_event && last_gi != NULL);
1604 gadget_released_inside = (gadget_released && new_gi == last_gi);
1605 gadget_released_off_borders = (gadget_released && new_gi != last_gi);
1607 gadget_moving = (button != 0 && last_gi != NULL && mouse_moving);
1608 gadget_moving_inside = (gadget_moving && new_gi == last_gi);
1609 gadget_moving_off_borders = (gadget_moving && new_gi != last_gi);
1611 /* when handling selectbox, set additional state values */
1612 if (gadget_released_inside && (last_gi->type & GD_TYPE_SELECTBOX))
1613 gadget_released_inside_select_area = insideSelectboxArea(last_gi, mx, my);
1615 gadget_released_inside_select_area = FALSE;
1617 /* setting state for handling over-large selectbox */
1618 if (keep_selectbox_open && (press_event || !mouse_inside_select_line))
1619 keep_selectbox_open = FALSE;
1621 /* if new gadget pressed, store this gadget */
1625 /* 'gi' is actually handled gadget */
1628 /* if gadget is scrollbar, choose mouse position value */
1629 if (gi && gi->type & GD_TYPE_SCROLLBAR)
1630 scrollbar_mouse_pos =
1631 (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx - gi->x : my - gi->y);
1633 /* if mouse button released, no gadget needs to be handled anymore */
1634 if (gadget_released)
1636 if (gi->type & GD_TYPE_SELECTBOX &&
1637 (keep_selectbox_open ||
1638 mouse_released_where_pressed ||
1639 !gadget_released_inside_select_area ||
1640 !CURRENT_OPTION_SELECTABLE(gi))) /* selectbox stays open */
1642 gi->selectbox.stay_open = TRUE;
1646 else if (!(gi->type & GD_TYPE_TEXT_INPUT ||
1647 gi->type & GD_TYPE_TEXT_AREA)) /* text input stays open */
1651 /* modify event position values even if no gadget is pressed */
1652 if (button == 0 && !release_event)
1655 /* if new gadget or if no gadget was pressed, release stopped processing */
1656 if (gadget_pressed || new_gi == NULL)
1657 gadget_stopped = FALSE;
1659 /* if gadget was stopped while being handled, stop gadget processing here */
1665 int last_x = gi->event.x;
1666 int last_y = gi->event.y;
1668 gi->event.x = mx - gi->x;
1669 gi->event.y = my - gi->y;
1671 if (gi->type == GD_TYPE_DRAWING_AREA)
1673 gi->event.x /= gi->drawing.item_xsize;
1674 gi->event.y /= gi->drawing.item_ysize;
1676 if (last_x != gi->event.x || last_y != gi->event.y)
1677 changed_position = TRUE;
1679 else if (gi->type & GD_TYPE_TEXT_INPUT && button != 0 && !motion_status)
1681 int old_cursor_position = gi->textinput.cursor_position;
1683 /* if mouse button pressed inside activated text gadget, set cursor */
1684 gi->textinput.cursor_position =
1685 (mx - gi->x - gi->border.xsize) / getFontWidth(gi->font);
1687 if (gi->textinput.cursor_position < 0)
1688 gi->textinput.cursor_position = 0;
1689 else if (gi->textinput.cursor_position > strlen(gi->textinput.value))
1690 gi->textinput.cursor_position = strlen(gi->textinput.value);
1692 if (gi->textinput.cursor_position != old_cursor_position)
1693 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1695 else if (gi->type & GD_TYPE_TEXT_AREA && button != 0 && !motion_status)
1697 int old_cursor_position = gi->textarea.cursor_position;
1698 int x = (mx - gi->x - gi->border.xsize) / getFontWidth(gi->font);
1699 int y = (my - gi->y - gi->border.ysize) / getFontHeight(gi->font);
1701 x = (x < 0 ? 0 : x >= gi->textarea.xsize ? gi->textarea.xsize - 1 : x);
1702 y = (y < 0 ? 0 : y >= gi->textarea.ysize ? gi->textarea.ysize - 1 : y);
1704 setTextAreaCursorXY(gi, x, y);
1706 if (gi->textarea.cursor_position != old_cursor_position)
1707 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1709 else if (gi->type & GD_TYPE_SELECTBOX && gi->selectbox.open &&
1710 !keep_selectbox_open)
1712 int old_index = gi->selectbox.current_index;
1714 /* if mouse moving inside activated selectbox, select value */
1715 if (my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height)
1716 gi->selectbox.current_index =
1717 (my - gi->selectbox.y - gi->border.ysize) / getFontHeight(gi->font);
1719 if (gi->selectbox.current_index < 0)
1720 gi->selectbox.current_index = 0;
1721 else if (gi->selectbox.current_index > gi->selectbox.num_values - 1)
1722 gi->selectbox.current_index = gi->selectbox.num_values - 1;
1724 if (gi->selectbox.current_index != old_index)
1725 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1729 /* handle gadget popup info text */
1730 if (last_info_gi != new_gi ||
1731 (new_gi && new_gi->type == GD_TYPE_DRAWING_AREA && changed_position))
1733 if (new_gi != NULL && (button == 0 || new_gi == last_gi))
1735 new_gi->event.type = GD_EVENT_INFO_ENTERING;
1736 new_gi->callback_info(new_gi);
1738 else if (last_info_gi != NULL)
1740 last_info_gi->event.type = GD_EVENT_INFO_LEAVING;
1741 last_info_gi->callback_info(last_info_gi);
1744 last_info_gi = new_gi;
1747 gadget_draggable = (gi && gi->type & GD_TYPE_SCROLLBAR);
1749 /* reset drag position for newly pressed scrollbar to "not dragging" */
1750 if (gadget_pressed && gadget_draggable)
1751 gi->scrollbar.drag_position = -1;
1753 gadget_dragging = (gadget_draggable && gi->scrollbar.drag_position != -1);
1755 /* clicking next to a scrollbar to move it is not considered "moving" */
1756 if (gadget_draggable && !gadget_dragging)
1757 gadget_moving = FALSE;
1759 /* when leaving scrollbar area when jump-scrolling, stop gadget processing */
1760 if (gadget_draggable && !gadget_dragging && gadget_moving_off_borders)
1761 gadget_stopped = TRUE;
1763 if ((gadget_pressed) ||
1764 (gadget_pressed_repeated && gadget_pressed_delay_reached))
1766 if (gadget_pressed) /* gadget pressed the first time */
1768 /* initialize delay counter */
1769 DelayReached(&pressed_delay, 0);
1771 /* start gadget delay with longer delay after first click on gadget */
1772 pressed_delay_value = GADGET_FRAME_DELAY_FIRST;
1774 else /* gadget hold pressed for some time */
1776 /* after first repeated gadget click, continue with shorter delay value */
1777 pressed_delay_value = GADGET_FRAME_DELAY;
1780 if (gi->type & GD_TYPE_SCROLLBAR && !gadget_dragging)
1782 int mpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx : my);
1783 int gpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? gi->x : gi->y);
1784 int slider_start = gpos + gi->scrollbar.position;
1785 int slider_end = gpos + gi->scrollbar.position + gi->scrollbar.size - 1;
1786 boolean inside_slider = (mpos >= slider_start && mpos <= slider_end);
1788 if (IS_WHEEL_BUTTON(button) || !inside_slider)
1790 /* click scrollbar one scrollbar length up/left or down/right */
1792 struct GadgetScrollbar *gs = &gi->scrollbar;
1793 int old_item_position = gs->item_position;
1794 int item_steps = gs->items_visible - 1;
1795 int item_direction = (mpos < gpos + gi->scrollbar.position ? -1 : +1);
1797 if (IS_WHEEL_BUTTON(button))
1799 boolean scroll_single_step = ((GetKeyModState() & KMOD_Alt) != 0);
1801 item_steps = (scroll_single_step ? 1 : wheel_steps);
1802 item_direction = (button == MB_WHEEL_UP ||
1803 button == MB_WHEEL_LEFT ? -1 : +1);
1806 changed_position = FALSE;
1808 gs->item_position += item_steps * item_direction;
1810 if (gs->item_position < 0)
1811 gs->item_position = 0;
1812 else if (gs->item_position > gs->items_max - gs->items_visible)
1813 gs->item_position = gs->items_max - gs->items_visible;
1815 if (old_item_position != gs->item_position)
1817 gi->event.item_position = gs->item_position;
1818 changed_position = TRUE;
1821 ModifyGadget(gi, GDI_SCROLLBAR_ITEM_POSITION, gs->item_position,
1824 gi->state = GD_BUTTON_UNPRESSED;
1825 gi->event.type = GD_EVENT_MOVING;
1826 gi->event.off_borders = FALSE;
1828 if (gi->event_mask & GD_EVENT_MOVING && changed_position)
1829 gi->callback_action(gi);
1835 /* don't handle this scrollbar anymore when mouse position reached */
1836 if (gadget_pressed_repeated)
1838 gadget_stopped = TRUE;
1848 PlayGadgetSoundActivating();
1850 if (gi->type == GD_TYPE_CHECK_BUTTON)
1852 gi->checked = !gi->checked;
1854 else if (gi->type == GD_TYPE_RADIO_BUTTON)
1856 struct GadgetInfo *rgi = gadget_list_first_entry;
1861 rgi->type == GD_TYPE_RADIO_BUTTON &&
1862 rgi->radio_nr == gi->radio_nr &&
1865 rgi->checked = FALSE;
1866 DrawGadget(rgi, DG_UNPRESSED, rgi->direct_draw);
1874 else if (gi->type & GD_TYPE_SCROLLBAR)
1876 int mpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx : my);
1877 int gpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? gi->x : gi->y);
1878 int slider_start = gpos + gi->scrollbar.position;
1879 int slider_end = gpos + gi->scrollbar.position + gi->scrollbar.size - 1;
1880 boolean inside_slider = (mpos >= slider_start && mpos <= slider_end);
1882 if (!IS_WHEEL_BUTTON(button) && inside_slider)
1884 /* start dragging scrollbar */
1885 gi->scrollbar.drag_position =
1886 scrollbar_mouse_pos - gi->scrollbar.position;
1889 else if (gi->type & GD_TYPE_SELECTBOX)
1891 /* keep selectbox open in case of over-large selectbox */
1892 keep_selectbox_open = (mouse_inside_select_line &&
1893 mouse_inside_select_area);
1896 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1898 gi->state = GD_BUTTON_PRESSED;
1899 gi->event.type = GD_EVENT_PRESSED;
1900 gi->event.button = button;
1901 gi->event.off_borders = FALSE;
1903 if (gi->event_mask & GD_EVENT_PRESSED)
1904 gi->callback_action(gi);
1907 if (gadget_pressed_repeated)
1909 gi->event.type = GD_EVENT_PRESSED;
1911 if (gi->event_mask & GD_EVENT_REPEATED && gadget_pressed_delay_reached)
1912 gi->callback_action(gi);
1917 if (gi->type & GD_TYPE_BUTTON)
1919 if (gadget_moving_inside && gi->state == GD_BUTTON_UNPRESSED)
1920 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1921 else if (gadget_moving_off_borders && gi->state == GD_BUTTON_PRESSED)
1922 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
1924 else if (gi->type & GD_TYPE_SELECTBOX && !keep_selectbox_open)
1926 int old_index = gi->selectbox.current_index;
1928 /* if mouse moving inside activated selectbox, select value */
1929 if (my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height)
1930 gi->selectbox.current_index =
1931 (my - gi->selectbox.y - gi->border.ysize) / getFontHeight(gi->font);
1933 if (gi->selectbox.current_index < 0)
1934 gi->selectbox.current_index = 0;
1935 else if (gi->selectbox.current_index > gi->selectbox.num_values - 1)
1936 gi->selectbox.current_index = gi->selectbox.num_values - 1;
1938 if (gi->selectbox.current_index != old_index)
1939 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1941 else if (gi->type & GD_TYPE_SCROLLBAR)
1943 struct GadgetScrollbar *gs = &gi->scrollbar;
1944 int old_item_position = gs->item_position;
1946 gs->position = scrollbar_mouse_pos - gs->drag_position;
1948 /* make sure to always precisely reach end positions when dragging */
1949 if (gs->position <= 0)
1952 gs->item_position = 0;
1954 else if (gs->position >= gs->position_max)
1956 gs->position = gs->position_max;
1957 gs->item_position = gs->items_max - gs->items_visible;
1962 gs->items_max * (gs->position + gs->correction) / gs->size_max_cmp;
1965 if (gs->item_position < 0)
1966 gs->item_position = 0;
1967 if (gs->item_position > gs->items_max - 1)
1968 gs->item_position = gs->items_max - 1;
1970 if (old_item_position != gs->item_position)
1972 gi->event.item_position = gs->item_position;
1973 changed_position = TRUE;
1976 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1979 gi->state = (gadget_moving_inside || gadget_draggable ?
1980 GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
1981 gi->event.type = GD_EVENT_MOVING;
1982 gi->event.off_borders = gadget_moving_off_borders;
1984 if (gi->event_mask & GD_EVENT_MOVING && changed_position &&
1985 (gadget_moving_inside || gi->event_mask & GD_EVENT_OFF_BORDERS))
1986 gi->callback_action(gi);
1989 if (gadget_released_inside)
1991 boolean deactivate_gadget = TRUE;
1992 boolean gadget_changed = TRUE;
1994 if (gi->type & GD_TYPE_SELECTBOX)
1996 if (keep_selectbox_open ||
1997 mouse_released_where_pressed ||
1998 !gadget_released_inside_select_area ||
1999 !CURRENT_OPTION_SELECTABLE(gi)) /* selectbox stays open */
2001 deactivate_gadget = FALSE;
2002 gadget_changed = FALSE;
2004 else if (gi->selectbox.index != gi->selectbox.current_index)
2005 gi->selectbox.index = gi->selectbox.current_index;
2007 gadget_changed = FALSE;
2010 if (deactivate_gadget &&
2011 !(gi->type & GD_TYPE_TEXT_INPUT ||
2012 gi->type & GD_TYPE_TEXT_AREA)) /* text input stays open */
2013 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
2015 gi->state = GD_BUTTON_UNPRESSED;
2016 gi->event.type = GD_EVENT_RELEASED;
2018 if ((gi->event_mask & GD_EVENT_RELEASED) && gadget_changed)
2020 gi->callback_action(gi);
2024 if (gadget_released_off_borders)
2026 if (gi->type & GD_TYPE_SCROLLBAR)
2027 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
2029 gi->state = GD_BUTTON_UNPRESSED;
2030 gi->event.type = GD_EVENT_RELEASED;
2032 if (gi->event_mask & GD_EVENT_RELEASED &&
2033 gi->event_mask & GD_EVENT_OFF_BORDERS)
2034 gi->callback_action(gi);
2037 /* handle gadgets unmapped/mapped between pressing and releasing */
2038 if (release_event && !gadget_released && new_gi)
2039 new_gi->state = GD_BUTTON_UNPRESSED;
2041 return (gadget_pressed || gadget_pressed_repeated ||
2042 gadget_released || gadget_moving);
2045 static void insertCharIntoTextArea(struct GadgetInfo *gi, char c)
2047 char text[MAX_GADGET_TEXTSIZE + 1];
2048 int cursor_position = gi->textarea.cursor_position;
2050 if (strlen(gi->textarea.value) >= MAX_GADGET_TEXTSIZE) /* no space left */
2053 strcpy(text, gi->textarea.value);
2054 strcpy(&gi->textarea.value[cursor_position + 1], &text[cursor_position]);
2055 gi->textarea.value[cursor_position] = c;
2057 setTextAreaCursorPosition(gi, gi->textarea.cursor_position + 1);
2060 boolean HandleGadgetsKeyInput(Key key)
2062 struct GadgetInfo *gi = last_gi;
2064 if (gi == NULL || !gi->mapped ||
2065 !(gi->type & GD_TYPE_TEXT_INPUT ||
2066 gi->type & GD_TYPE_TEXT_AREA ||
2067 gi->type & GD_TYPE_SELECTBOX))
2070 if (key == KSYM_Return) /* valid for both text input and selectbox */
2072 boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_RETURN) != 0);
2074 if (gi->type & GD_TYPE_TEXT_INPUT)
2076 CheckRangeOfNumericInputGadget(gi);
2078 if (!strEqual(gi->textinput.last_value, gi->textinput.value))
2079 strcpy(gi->textinput.last_value, gi->textinput.value);
2081 gadget_changed = FALSE;
2083 else if (gi->type & GD_TYPE_SELECTBOX)
2085 if (gi->selectbox.index != gi->selectbox.current_index)
2086 gi->selectbox.index = gi->selectbox.current_index;
2088 gadget_changed = FALSE;
2091 if (gi->type & GD_TYPE_TEXT_AREA)
2093 insertCharIntoTextArea(gi, '\n');
2095 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2099 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
2101 gi->event.type = GD_EVENT_TEXT_RETURN;
2107 gi->callback_action(gi);
2109 else if (gi->type & GD_TYPE_TEXT_INPUT) /* only valid for text input */
2111 char text[MAX_GADGET_TEXTSIZE + 1];
2112 int text_length = strlen(gi->textinput.value);
2113 int cursor_pos = gi->textinput.cursor_position;
2114 char letter = getCharFromKey(key);
2115 boolean legal_letter = (gi->type == GD_TYPE_TEXT_INPUT_NUMERIC ?
2116 letter >= '0' && letter <= '9' :
2119 if (legal_letter && text_length < gi->textinput.size)
2121 strcpy(text, gi->textinput.value);
2122 strcpy(&gi->textinput.value[cursor_pos + 1], &text[cursor_pos]);
2123 gi->textinput.value[cursor_pos] = letter;
2124 gi->textinput.cursor_position++;
2126 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2128 else if (key == KSYM_Left && cursor_pos > 0)
2130 gi->textinput.cursor_position--;
2132 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2134 else if (key == KSYM_Right && cursor_pos < text_length)
2136 gi->textinput.cursor_position++;
2138 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2140 else if (key == KSYM_BackSpace && cursor_pos > 0)
2142 strcpy(text, gi->textinput.value);
2143 strcpy(&gi->textinput.value[cursor_pos - 1], &text[cursor_pos]);
2144 gi->textinput.cursor_position--;
2146 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2148 else if (key == KSYM_Delete && cursor_pos < text_length)
2150 strcpy(text, gi->textinput.value);
2151 strcpy(&gi->textinput.value[cursor_pos], &text[cursor_pos + 1]);
2153 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2156 else if (gi->type & GD_TYPE_TEXT_AREA) /* only valid for text area */
2158 char text[MAX_GADGET_TEXTSIZE + 1];
2159 int text_length = strlen(gi->textarea.value);
2160 int area_ysize = gi->textarea.ysize;
2161 int cursor_x_pref = gi->textarea.cursor_x_preferred;
2162 int cursor_y = gi->textarea.cursor_y;
2163 int cursor_pos = gi->textarea.cursor_position;
2164 char letter = getCharFromKey(key);
2165 boolean legal_letter = (letter != 0);
2169 insertCharIntoTextArea(gi, letter);
2171 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2173 else if (key == KSYM_Left && cursor_pos > 0)
2175 setTextAreaCursorPosition(gi, gi->textarea.cursor_position - 1);
2177 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2179 else if (key == KSYM_Right && cursor_pos < text_length)
2181 setTextAreaCursorPosition(gi, gi->textarea.cursor_position + 1);
2183 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2185 else if (key == KSYM_Up && cursor_y > 0)
2187 setTextAreaCursorXY(gi, cursor_x_pref, cursor_y - 1);
2188 gi->textarea.cursor_x_preferred = cursor_x_pref;
2190 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2192 else if (key == KSYM_Down && cursor_y < area_ysize - 1)
2194 setTextAreaCursorXY(gi, cursor_x_pref, cursor_y + 1);
2195 gi->textarea.cursor_x_preferred = cursor_x_pref;
2197 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2199 else if (key == KSYM_BackSpace && cursor_pos > 0)
2201 strcpy(text, gi->textarea.value);
2202 strcpy(&gi->textarea.value[cursor_pos - 1], &text[cursor_pos]);
2204 setTextAreaCursorPosition(gi, gi->textarea.cursor_position - 1);
2206 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2208 else if (key == KSYM_Delete && cursor_pos < text_length)
2210 strcpy(text, gi->textarea.value);
2211 strcpy(&gi->textarea.value[cursor_pos], &text[cursor_pos + 1]);
2213 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2216 else if (gi->type & GD_TYPE_SELECTBOX) /* only valid for selectbox */
2218 int index = gi->selectbox.current_index;
2219 int num_values = gi->selectbox.num_values;
2221 if (key == KSYM_Up && index > 0)
2223 gi->selectbox.current_index--;
2225 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2227 else if (key == KSYM_Down && index < num_values - 1)
2229 gi->selectbox.current_index++;
2231 DrawGadget(gi, DG_PRESSED, gi->direct_draw);