1 /***********************************************************
2 * Artsoft Retro-Game Library *
3 *----------------------------------------------------------*
4 * (c) 1994-2006 Artsoft Entertainment *
6 * Detmolder Strasse 189 *
9 * e-mail: info@artsoft.org *
10 *----------------------------------------------------------*
12 ***********************************************************/
22 /* values for DrawGadget() */
23 #define DG_UNPRESSED 0
29 #define GADGET_DEACTIVATED(g) ((g)->x < 0 || (g)->y < 0)
32 static struct GadgetInfo *gadget_list_first_entry = NULL;
33 static struct GadgetInfo *gadget_list_last_entry = NULL;
34 static struct GadgetInfo *last_info_gi = NULL;
35 static int next_free_gadget_id = 1;
36 static boolean gadget_id_wrapped = FALSE;
38 static void (*PlayGadgetSoundActivating)(void) = NULL;
39 static void (*PlayGadgetSoundSelecting)(void) = NULL;
42 void InitGadgetsSoundCallback(void (*activating_function)(void),
43 void (*selecting_function)(void))
45 PlayGadgetSoundActivating = activating_function;
46 PlayGadgetSoundSelecting = selecting_function;
49 static struct GadgetInfo *getGadgetInfoFromGadgetID(int id)
51 struct GadgetInfo *gi = gadget_list_first_entry;
53 while (gi && gi->id != id)
59 static int getNewGadgetID()
61 int id = next_free_gadget_id++;
63 if (next_free_gadget_id <= 0) /* counter overrun */
65 gadget_id_wrapped = TRUE; /* now we must check each ID */
66 next_free_gadget_id = 0;
69 if (gadget_id_wrapped)
71 next_free_gadget_id++;
72 while (getGadgetInfoFromGadgetID(next_free_gadget_id) != NULL)
73 next_free_gadget_id++;
76 if (next_free_gadget_id <= 0) /* cannot get new gadget id */
77 Error(ERR_EXIT, "too much gadgets -- this should not happen");
82 static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my,
85 struct GadgetInfo *gi;
87 /* first check for scrollbars in case of mouse scroll wheel button events */
88 if (IS_WHEEL_BUTTON(button))
90 /* real horizontal wheel or vertical wheel with modifier key pressed */
91 boolean check_horizontal = (IS_WHEEL_BUTTON_HORIZONTAL(button) ||
92 GetKeyModState() & KMOD_Shift);
94 /* check for the first active scrollbar with matching mouse wheel area */
95 for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
97 if (gi->mapped && gi->active &&
98 ((gi->type & GD_TYPE_SCROLLBAR_HORIZONTAL && check_horizontal) ||
99 (gi->type & GD_TYPE_SCROLLBAR_VERTICAL && !check_horizontal)) &&
100 mx >= gi->wheelarea.x && mx < gi->wheelarea.x + gi->wheelarea.width &&
101 my >= gi->wheelarea.y && my < gi->wheelarea.y + gi->wheelarea.height)
105 /* no active scrollbar found -- ignore this scroll wheel button event */
109 /* open selectboxes may overlap other active gadgets, so check them first */
110 for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
112 if (gi->mapped && gi->active &&
113 gi->type & GD_TYPE_SELECTBOX && gi->selectbox.open &&
114 mx >= gi->selectbox.x && mx < gi->selectbox.x + gi->selectbox.width &&
115 my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height)
119 /* check all other gadgets */
120 for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
122 if (gi->mapped && gi->active &&
123 mx >= gi->x && mx < gi->x + gi->width &&
124 my >= gi->y && my < gi->y + gi->height)
131 static void setTextAreaCursorExt(struct GadgetInfo *gi, boolean set_cursor_pos)
133 char *text = gi->textarea.value;
134 int area_xsize = gi->textarea.xsize;
135 int area_ysize = gi->textarea.ysize;
136 int cursor_position = gi->textarea.cursor_position;
137 int cursor_x = gi->textarea.cursor_x;
138 int cursor_y = gi->textarea.cursor_y;
145 if (set_cursor_pos) /* x/y => position */
147 if (y == cursor_y && (x == cursor_x || (x < cursor_x && *text == '\n')))
150 else /* position => x/y */
152 if (pos == cursor_position)
156 if (x + 1 >= area_xsize || *text == '\n')
158 if (y + 1 >= area_ysize)
171 gi->textarea.cursor_x = x;
172 gi->textarea.cursor_y = y;
173 gi->textarea.cursor_x_preferred = x;
174 gi->textarea.cursor_position = pos;
177 static void setTextAreaCursorXY(struct GadgetInfo *gi, int x, int y)
179 gi->textarea.cursor_x = x;
180 gi->textarea.cursor_y = y;
182 setTextAreaCursorExt(gi, TRUE);
185 static void setTextAreaCursorPosition(struct GadgetInfo *gi, int pos)
187 gi->textarea.cursor_position = pos;
189 setTextAreaCursorExt(gi, FALSE);
192 static void default_callback_info(void *ptr)
197 static void default_callback_action(void *ptr)
202 static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
204 struct GadgetDesign *gd;
205 int state = (pressed ? GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
206 boolean redraw_selectbox = FALSE;
211 gd = (!gi->active ? &gi->alt_design[state] :
212 gi->checked ? &gi->alt_design[state] : &gi->design[state]);
216 case GD_TYPE_NORMAL_BUTTON:
217 case GD_TYPE_CHECK_BUTTON:
218 case GD_TYPE_RADIO_BUTTON:
219 BlitBitmapOnBackground(gd->bitmap, drawto,
220 gd->x, gd->y, gi->width, gi->height,
222 if (gi->deco.design.bitmap)
223 BlitBitmap(gi->deco.design.bitmap, drawto,
224 gi->deco.design.x, gi->deco.design.y,
225 gi->deco.width, gi->deco.height,
226 gi->x + gi->deco.x + (pressed ? gi->deco.xshift : 0),
227 gi->y + gi->deco.y + (pressed ? gi->deco.yshift : 0));
230 case GD_TYPE_TEXT_BUTTON:
233 int font_nr = (gi->active ? gi->font_active : gi->font);
234 int font_width = getFontWidth(font_nr);
235 int border_x = gi->border.xsize;
236 int border_y = gi->border.ysize;
237 int text_size = strlen(gi->textbutton.value);
238 int text_start = (gi->width - text_size * font_width) / 2;
240 /* left part of gadget */
241 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
242 border_x, gi->height, gi->x, gi->y);
244 /* middle part of gadget */
245 for (i=0; i < gi->textbutton.size; i++)
246 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
247 font_width, gi->height,
248 gi->x + border_x + i * font_width, gi->y);
250 /* right part of gadget */
251 BlitBitmapOnBackground(gd->bitmap, drawto,
252 gd->x + gi->border.width - border_x, gd->y,
253 border_x, gi->height,
254 gi->x + gi->width - border_x, gi->y);
256 /* gadget text value */
258 gi->x + text_start + (pressed ? gi->deco.xshift : 0),
259 gi->y + border_y + (pressed ? gi->deco.yshift : 0),
260 gi->textbutton.value, font_nr, BLIT_MASKED);
264 case GD_TYPE_TEXT_INPUT_ALPHANUMERIC:
265 case GD_TYPE_TEXT_INPUT_NUMERIC:
269 char cursor_string[2];
270 char text[MAX_GADGET_TEXTSIZE + 1];
271 int font_nr = (pressed ? gi->font_active : gi->font);
272 int font_width = getFontWidth(font_nr);
273 int border_x = gi->border.xsize;
274 int border_y = gi->border.ysize;
276 /* left part of gadget */
277 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
278 border_x, gi->height, gi->x, gi->y);
280 /* middle part of gadget */
281 for (i=0; i < gi->textinput.size + 1; i++)
282 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
283 font_width, gi->height,
284 gi->x + border_x + i * font_width, gi->y);
286 /* right part of gadget */
287 BlitBitmapOnBackground(gd->bitmap, drawto,
288 gd->x + gi->border.width - border_x, gd->y,
289 border_x, gi->height,
290 gi->x + gi->width - border_x, gi->y);
293 strcpy(text, gi->textinput.value);
296 /* gadget text value */
298 gi->x + border_x, gi->y + border_y, text,
299 font_nr, BLIT_MASKED);
301 cursor_letter = gi->textinput.value[gi->textinput.cursor_position];
302 cursor_string[0] = (cursor_letter != '\0' ? cursor_letter : ' ');
303 cursor_string[1] = '\0';
305 /* draw cursor, if active */
309 gi->textinput.cursor_position * font_width,
310 gi->y + border_y, cursor_string,
311 font_nr, BLIT_INVERSE);
315 case GD_TYPE_TEXT_AREA:
319 char cursor_string[2];
320 int font_nr = (pressed ? gi->font_active : gi->font);
321 int font_width = getFontWidth(font_nr);
322 int font_height = getFontHeight(font_nr);
323 int border_x = gi->border.xsize;
324 int border_y = gi->border.ysize;
325 int gd_height = 2 * border_y + font_height;
327 /* top left part of gadget border */
328 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
329 border_x, border_y, gi->x, gi->y);
331 /* top middle part of gadget border */
332 for (i=0; i < gi->textarea.xsize; i++)
333 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
334 font_width, border_y,
335 gi->x + border_x + i * font_width, gi->y);
337 /* top right part of gadget border */
338 BlitBitmapOnBackground(gd->bitmap, drawto,
339 gd->x + gi->border.width - border_x, gd->y,
341 gi->x + gi->width - border_x, gi->y);
343 /* left and right part of gadget border for each row */
344 for (i=0; i < gi->textarea.ysize; i++)
346 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y + border_y,
347 border_x, font_height,
348 gi->x, gi->y + border_y + i * font_height);
349 BlitBitmapOnBackground(gd->bitmap, drawto,
350 gd->x + gi->border.width - border_x,
352 border_x, font_height,
353 gi->x + gi->width - border_x,
354 gi->y + border_y + i * font_height);
357 /* bottom left part of gadget border */
358 BlitBitmapOnBackground(gd->bitmap, drawto,
359 gd->x, gd->y + gd_height - border_y,
361 gi->x, gi->y + gi->height - border_y);
363 /* bottom middle part of gadget border */
364 for (i=0; i < gi->textarea.xsize; i++)
365 BlitBitmapOnBackground(gd->bitmap, drawto,
367 gd->y + gd_height - border_y,
368 font_width, border_y,
369 gi->x + border_x + i * font_width,
370 gi->y + gi->height - border_y);
372 /* bottom right part of gadget border */
373 BlitBitmapOnBackground(gd->bitmap, drawto,
374 gd->x + gi->border.width - border_x,
375 gd->y + gd_height - border_y,
377 gi->x + gi->width - border_x,
378 gi->y + gi->height - border_y);
380 ClearRectangleOnBackground(drawto,
383 gi->width - 2 * border_x,
384 gi->height - 2 * border_y);
386 /* gadget text value */
388 DrawTextBuffer(gi->x + border_x, gi->y + border_y, gi->textarea.value,
389 font_nr, gi->textarea.xsize, -1, gi->textarea.ysize, 0,
390 BLIT_ON_BACKGROUND, FALSE, FALSE, FALSE);
392 DrawTextToTextArea(gi->x + border_x, gi->y + border_y,
393 gi->textarea.value, font_nr, gi->textarea.xsize,
394 gi->textarea.xsize, gi->textarea.ysize,
398 cursor_letter = gi->textarea.value[gi->textarea.cursor_position];
399 cursor_string[0] = (cursor_letter != '\0' ? cursor_letter : ' ');
400 cursor_string[1] = '\0';
402 /* draw cursor, if active */
405 gi->x + border_x + gi->textarea.cursor_x * font_width,
406 gi->y + border_y + gi->textarea.cursor_y * font_height,
408 font_nr, BLIT_INVERSE);
412 case GD_TYPE_SELECTBOX:
415 char text[MAX_GADGET_TEXTSIZE + 1];
416 int font_nr = (pressed ? gi->font_active : gi->font);
417 int font_width = getFontWidth(font_nr);
418 int font_height = getFontHeight(font_nr);
419 int border_x = gi->border.xsize;
420 int border_y = gi->border.ysize;
421 int button = gi->border.xsize_selectbutton;
422 int width_inner = gi->border.width - button - 2 * border_x;
423 int box_width = gi->selectbox.width;
424 int box_height = gi->selectbox.height;
426 /* left part of gadget */
427 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
428 border_x, gi->height, gi->x, gi->y);
430 /* middle part of gadget */
431 for (i=0; i < gi->selectbox.size; i++)
432 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
433 font_width, gi->height,
434 gi->x + border_x + i * font_width, gi->y);
436 /* button part of gadget */
437 BlitBitmapOnBackground(gd->bitmap, drawto,
438 gd->x + border_x + width_inner, gd->y,
440 gi->x + gi->width - border_x - button, gi->y);
442 /* right part of gadget */
443 BlitBitmapOnBackground(gd->bitmap, drawto,
444 gd->x + gi->border.width - border_x, gd->y,
445 border_x, gi->height,
446 gi->x + gi->width - border_x, gi->y);
449 strncpy(text, gi->selectbox.options[gi->selectbox.index].text,
451 text[gi->selectbox.size] = '\0';
453 /* gadget text value */
454 DrawTextExt(drawto, gi->x + border_x, gi->y + border_y, text,
455 font_nr, BLIT_MASKED);
459 if (!gi->selectbox.open)
461 gi->selectbox.open = TRUE;
462 gi->selectbox.stay_open = FALSE;
463 gi->selectbox.current_index = gi->selectbox.index;
465 /* save background under selectbox */
466 BlitBitmap(drawto, gfx.field_save_buffer,
467 gi->selectbox.x, gi->selectbox.y,
468 gi->selectbox.width, gi->selectbox.height,
469 gi->selectbox.x, gi->selectbox.y);
472 /* draw open selectbox */
474 /* top left part of gadget border */
475 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
477 gi->selectbox.x, gi->selectbox.y);
479 /* top middle part of gadget border */
480 for (i=0; i < gi->selectbox.size; i++)
481 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
482 font_width, border_y,
483 gi->selectbox.x + border_x + i * font_width,
486 /* top button part of gadget border */
487 BlitBitmapOnBackground(gd->bitmap, drawto,
488 gd->x + border_x + width_inner, gd->y,
490 gi->selectbox.x + box_width -border_x -button,
493 /* top right part of gadget border */
494 BlitBitmapOnBackground(gd->bitmap, drawto,
495 gd->x + gi->border.width - border_x, gd->y,
497 gi->selectbox.x + box_width - border_x,
500 /* left and right part of gadget border for each row */
501 for (i=0; i < gi->selectbox.num_values; i++)
503 BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y + border_y,
504 border_x, font_height,
506 gi->selectbox.y + border_y + i*font_height);
507 BlitBitmapOnBackground(gd->bitmap, drawto,
508 gd->x + gi->border.width - border_x,
510 border_x, font_height,
511 gi->selectbox.x + box_width - border_x,
512 gi->selectbox.y + border_y + i*font_height);
515 /* bottom left part of gadget border */
516 BlitBitmapOnBackground(gd->bitmap, drawto,
517 gd->x, gd->y + gi->height - border_y,
520 gi->selectbox.y + box_height - border_y);
522 /* bottom middle part of gadget border */
523 for (i=0; i < gi->selectbox.size; i++)
524 BlitBitmapOnBackground(gd->bitmap, drawto,
526 gd->y + gi->height - border_y,
527 font_width, border_y,
528 gi->selectbox.x + border_x + i * font_width,
529 gi->selectbox.y + box_height - border_y);
531 /* bottom button part of gadget border */
532 BlitBitmapOnBackground(gd->bitmap, drawto,
533 gd->x + border_x + width_inner,
534 gd->y + gi->height - border_y,
536 gi->selectbox.x + box_width -border_x -button,
537 gi->selectbox.y + box_height - border_y);
539 /* bottom right part of gadget border */
540 BlitBitmapOnBackground(gd->bitmap, drawto,
541 gd->x + gi->border.width - border_x,
542 gd->y + gi->height - border_y,
544 gi->selectbox.x + box_width - border_x,
545 gi->selectbox.y + box_height - border_y);
547 ClearRectangleOnBackground(drawto,
548 gi->selectbox.x + border_x,
549 gi->selectbox.y + border_y,
550 gi->selectbox.width - 2 * border_x,
551 gi->selectbox.height - 2 * border_y);
553 /* selectbox text values */
554 for (i=0; i < gi->selectbox.num_values; i++)
556 int mask_mode = BLIT_MASKED;
558 strncpy(text, gi->selectbox.options[i].text, gi->selectbox.size);
559 text[gi->selectbox.size] = '\0';
561 if (i == gi->selectbox.current_index)
563 FillRectangle(drawto,
564 gi->selectbox.x + border_x,
565 gi->selectbox.y + border_y + i * font_height,
566 gi->selectbox.width - 2 * border_x, font_height,
567 gi->selectbox.inverse_color);
569 /* prevent use of cursor graphic by drawing at least two chars */
571 text[gi->selectbox.size] = '\0';
573 mask_mode = BLIT_INVERSE;
577 gi->selectbox.x + border_x,
578 gi->selectbox.y + border_y + i * font_height, text,
582 redraw_selectbox = TRUE;
584 else if (gi->selectbox.open)
586 gi->selectbox.open = FALSE;
588 /* restore background under selectbox */
589 BlitBitmap(gfx.field_save_buffer, drawto,
590 gi->selectbox.x, gi->selectbox.y,
591 gi->selectbox.width, gi->selectbox.height,
592 gi->selectbox.x, gi->selectbox.y);
594 /* redraw closed selectbox */
595 DrawGadget(gi, FALSE, FALSE);
597 redraw_selectbox = TRUE;
602 case GD_TYPE_SCROLLBAR_VERTICAL:
606 int ypos = gi->y + gi->scrollbar.position;
607 int design_full = gi->width;
608 int design_body = design_full - 2 * gi->border.ysize;
609 int size_full = gi->scrollbar.size;
610 int size_body = size_full - 2 * gi->border.ysize;
611 int num_steps = size_body / design_body;
612 int step_size_remain = size_body - num_steps * design_body;
614 /* clear scrollbar area */
615 ClearRectangleOnBackground(backbuffer, gi->x, gi->y,
616 gi->width, gi->height);
618 /* upper part of gadget */
619 BlitBitmapOnBackground(gd->bitmap, drawto,
621 gi->width, gi->border.ysize,
624 /* middle part of gadget */
625 for (i=0; i < num_steps; i++)
626 BlitBitmapOnBackground(gd->bitmap, drawto,
627 gd->x, gd->y + gi->border.ysize,
628 gi->width, design_body,
630 ypos + gi->border.ysize + i * design_body);
632 /* remaining middle part of gadget */
633 if (step_size_remain > 0)
634 BlitBitmapOnBackground(gd->bitmap, drawto,
635 gd->x, gd->y + gi->border.ysize,
636 gi->width, step_size_remain,
638 ypos + gi->border.ysize
639 + num_steps * design_body);
641 /* lower part of gadget */
642 BlitBitmapOnBackground(gd->bitmap, drawto,
643 gd->x, gd->y + design_full - gi->border.ysize,
644 gi->width, gi->border.ysize,
645 xpos, ypos + size_full - gi->border.ysize);
649 case GD_TYPE_SCROLLBAR_HORIZONTAL:
652 int xpos = gi->x + gi->scrollbar.position;
654 int design_full = gi->height;
655 int design_body = design_full - 2 * gi->border.xsize;
656 int size_full = gi->scrollbar.size;
657 int size_body = size_full - 2 * gi->border.xsize;
658 int num_steps = size_body / design_body;
659 int step_size_remain = size_body - num_steps * design_body;
661 /* clear scrollbar area */
662 ClearRectangleOnBackground(backbuffer, gi->x, gi->y,
663 gi->width, gi->height);
665 /* left part of gadget */
666 BlitBitmapOnBackground(gd->bitmap, drawto,
668 gi->border.xsize, gi->height,
671 /* middle part of gadget */
672 for (i=0; i < num_steps; i++)
673 BlitBitmapOnBackground(gd->bitmap, drawto,
674 gd->x + gi->border.xsize, gd->y,
675 design_body, gi->height,
676 xpos + gi->border.xsize + i * design_body,
679 /* remaining middle part of gadget */
680 if (step_size_remain > 0)
681 BlitBitmapOnBackground(gd->bitmap, drawto,
682 gd->x + gi->border.xsize, gd->y,
683 step_size_remain, gi->height,
684 xpos + gi->border.xsize
685 + num_steps * design_body,
688 /* right part of gadget */
689 BlitBitmapOnBackground(gd->bitmap, drawto,
690 gd->x + design_full - gi->border.xsize, gd->y,
691 gi->border.xsize, gi->height,
692 xpos + size_full - gi->border.xsize, ypos);
702 BlitBitmap(drawto, window,
703 gi->x, gi->y, gi->width, gi->height, gi->x, gi->y);
705 if (gi->type == GD_TYPE_SELECTBOX && redraw_selectbox)
706 BlitBitmap(drawto, window,
707 gi->selectbox.x, gi->selectbox.y,
708 gi->selectbox.width, gi->selectbox.height,
709 gi->selectbox.x, gi->selectbox.y);
717 redraw_mask |= (IN_GFX_FIELD_FULL(x, y) ? REDRAW_FIELD :
718 IN_GFX_DOOR_1(x, y) ? REDRAW_DOOR_1 :
719 IN_GFX_DOOR_2(x, y) ? REDRAW_DOOR_2 :
720 IN_GFX_DOOR_3(x, y) ? REDRAW_DOOR_3 : REDRAW_ALL);
722 redraw_mask |= (gi->x < gfx.sx + gfx.sxsize ? REDRAW_FIELD :
723 gi->y < gfx.dy + gfx.dysize ? REDRAW_DOOR_1 :
724 gi->y > gfx.vy ? REDRAW_DOOR_2 : REDRAW_DOOR_3);
729 static int get_minimal_size_for_numeric_input(int minmax_value)
731 int min_size = 1; /* value needs at least one digit */
734 /* add number of digits needed for absolute value */
735 for (i = 10; i <= ABS(minmax_value); i *= 10)
738 /* if min/max value is negative, add one digit for minus sign */
739 if (minmax_value < 0)
745 static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
752 while (tag != GDI_END)
757 gi->custom_id = va_arg(ap, int);
760 case GDI_CUSTOM_TYPE_ID:
761 gi->custom_type_id = va_arg(ap, int);
766 int max_textsize = MAX_INFO_TEXTSIZE;
767 char *text = va_arg(ap, char *);
770 strncpy(gi->info_text, text, max_textsize);
774 gi->info_text[max_textsize] = '\0';
779 gi->x = va_arg(ap, int);
783 gi->y = va_arg(ap, int);
787 gi->width = va_arg(ap, int);
791 gi->height = va_arg(ap, int);
795 gi->type = va_arg(ap, unsigned int);
799 gi->state = va_arg(ap, unsigned int);
803 gi->active = (boolean)va_arg(ap, int);
806 case GDI_DIRECT_DRAW:
807 gi->direct_draw = (boolean)va_arg(ap, int);
811 gi->checked = (boolean)va_arg(ap, int);
815 gi->radio_nr = va_arg(ap, unsigned int);
818 case GDI_NUMBER_VALUE:
819 gi->textinput.number_value = va_arg(ap, int);
820 sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
821 strcpy(gi->textinput.last_value, gi->textinput.value);
822 gi->textinput.cursor_position = strlen(gi->textinput.value);
826 gi->textinput.number_min = va_arg(ap, int);
827 if (gi->textinput.number_value < gi->textinput.number_min)
829 gi->textinput.number_value = gi->textinput.number_min;
830 sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
831 strcpy(gi->textinput.last_value, gi->textinput.value);
836 gi->textinput.number_max = va_arg(ap, int);
837 if (gi->textinput.number_value > gi->textinput.number_max)
839 gi->textinput.number_value = gi->textinput.number_max;
840 sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
841 strcpy(gi->textinput.last_value, gi->textinput.value);
847 int max_textsize = MAX_GADGET_TEXTSIZE;
849 if (gi->textinput.size)
850 max_textsize = MIN(gi->textinput.size, MAX_GADGET_TEXTSIZE);
852 strncpy(gi->textinput.value, va_arg(ap, char *), max_textsize);
853 strcpy(gi->textinput.last_value, gi->textinput.value);
855 gi->textinput.value[max_textsize] = '\0';
856 gi->textinput.cursor_position = strlen(gi->textinput.value);
858 /* same tag also used for other gadget definitions */
859 strcpy(gi->textbutton.value, gi->textinput.value);
860 strcpy(gi->textarea.value, gi->textinput.value);
861 strcpy(gi->textarea.last_value, gi->textinput.value);
867 int tag_value = va_arg(ap, int);
868 int max_textsize = MIN(tag_value, MAX_GADGET_TEXTSIZE);
870 gi->textinput.size = max_textsize;
871 gi->textinput.value[max_textsize] = '\0';
872 strcpy(gi->textinput.last_value, gi->textinput.value);
874 /* same tag also used for other gadget definitions */
876 gi->textarea.size = max_textsize;
877 gi->textarea.value[max_textsize] = '\0';
878 strcpy(gi->textarea.last_value, gi->textinput.value);
880 gi->textbutton.size = max_textsize;
881 gi->textbutton.value[max_textsize] = '\0';
883 gi->selectbox.size = gi->textinput.size;
888 gi->font = va_arg(ap, int);
889 if (gi->font_active == 0)
890 gi->font_active = gi->font;
893 case GDI_TEXT_FONT_ACTIVE:
894 gi->font_active = va_arg(ap, int);
897 case GDI_SELECTBOX_OPTIONS:
898 gi->selectbox.options = va_arg(ap, struct ValueTextInfo *);
901 case GDI_SELECTBOX_INDEX:
902 gi->selectbox.index = va_arg(ap, int);
905 case GDI_DESIGN_UNPRESSED:
906 gi->design[GD_BUTTON_UNPRESSED].bitmap = va_arg(ap, Bitmap *);
907 gi->design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
908 gi->design[GD_BUTTON_UNPRESSED].y = va_arg(ap, int);
911 case GDI_DESIGN_PRESSED:
912 gi->design[GD_BUTTON_PRESSED].bitmap = va_arg(ap, Bitmap *);
913 gi->design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
914 gi->design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
917 case GDI_ALT_DESIGN_UNPRESSED:
918 gi->alt_design[GD_BUTTON_UNPRESSED].bitmap= va_arg(ap, Bitmap *);
919 gi->alt_design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
920 gi->alt_design[GD_BUTTON_UNPRESSED].y = va_arg(ap, int);
923 case GDI_ALT_DESIGN_PRESSED:
924 gi->alt_design[GD_BUTTON_PRESSED].bitmap = va_arg(ap, Bitmap *);
925 gi->alt_design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
926 gi->alt_design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
929 case GDI_BORDER_SIZE:
930 gi->border.xsize = va_arg(ap, int);
931 gi->border.ysize = va_arg(ap, int);
934 case GDI_BORDER_SIZE_SELECTBUTTON:
935 gi->border.xsize_selectbutton = va_arg(ap, int);
938 case GDI_DESIGN_WIDTH:
939 gi->border.width = va_arg(ap, int);
942 case GDI_DECORATION_DESIGN:
943 gi->deco.design.bitmap = va_arg(ap, Bitmap *);
944 gi->deco.design.x = va_arg(ap, int);
945 gi->deco.design.y = va_arg(ap, int);
948 case GDI_DECORATION_POSITION:
949 gi->deco.x = va_arg(ap, int);
950 gi->deco.y = va_arg(ap, int);
953 case GDI_DECORATION_SIZE:
954 gi->deco.width = va_arg(ap, int);
955 gi->deco.height = va_arg(ap, int);
958 case GDI_DECORATION_SHIFTING:
959 gi->deco.xshift = va_arg(ap, int);
960 gi->deco.yshift = va_arg(ap, int);
964 gi->event_mask = va_arg(ap, unsigned int);
968 gi->drawing.area_xsize = va_arg(ap, int);
969 gi->drawing.area_ysize = va_arg(ap, int);
971 /* determine dependent values for drawing area gadget, if needed */
972 if (gi->width == 0 && gi->height == 0 &&
973 gi->drawing.item_xsize !=0 && gi->drawing.item_ysize !=0)
975 gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
976 gi->height = gi->drawing.area_ysize * gi->drawing.item_ysize;
978 else if (gi->drawing.item_xsize == 0 && gi->drawing.item_ysize == 0 &&
979 gi->width != 0 && gi->height != 0)
981 gi->drawing.item_xsize = gi->width / gi->drawing.area_xsize;
982 gi->drawing.item_ysize = gi->height / gi->drawing.area_ysize;
985 /* same tag also used for other gadget definitions */
986 gi->textarea.xsize = gi->drawing.area_xsize;
987 gi->textarea.ysize = gi->drawing.area_ysize;
989 if (gi->type & GD_TYPE_TEXT_AREA) /* force recalculation */
998 gi->drawing.item_xsize = va_arg(ap, int);
999 gi->drawing.item_ysize = va_arg(ap, int);
1001 /* determine dependent values for drawing area gadget, if needed */
1002 if (gi->width == 0 && gi->height == 0 &&
1003 gi->drawing.area_xsize !=0 && gi->drawing.area_ysize !=0)
1005 gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
1006 gi->height = gi->drawing.area_ysize * gi->drawing.item_ysize;
1008 else if (gi->drawing.area_xsize == 0 && gi->drawing.area_ysize == 0 &&
1009 gi->width != 0 && gi->height != 0)
1011 gi->drawing.area_xsize = gi->width / gi->drawing.item_xsize;
1012 gi->drawing.area_ysize = gi->height / gi->drawing.item_ysize;
1016 case GDI_SCROLLBAR_ITEMS_MAX:
1017 gi->scrollbar.items_max = va_arg(ap, int);
1020 case GDI_SCROLLBAR_ITEMS_VISIBLE:
1021 gi->scrollbar.items_visible = va_arg(ap, int);
1024 case GDI_SCROLLBAR_ITEM_POSITION:
1025 gi->scrollbar.item_position = va_arg(ap, int);
1028 case GDI_WHEEL_AREA_X:
1029 gi->wheelarea.x = va_arg(ap, int);
1032 case GDI_WHEEL_AREA_Y:
1033 gi->wheelarea.y = va_arg(ap, int);
1036 case GDI_WHEEL_AREA_WIDTH:
1037 gi->wheelarea.width = va_arg(ap, int);
1040 case GDI_WHEEL_AREA_HEIGHT:
1041 gi->wheelarea.height = va_arg(ap, int);
1044 case GDI_CALLBACK_INFO:
1045 gi->callback_info = va_arg(ap, gadget_function);
1048 case GDI_CALLBACK_ACTION:
1049 gi->callback_action = va_arg(ap, gadget_function);
1053 Error(ERR_EXIT, "HandleGadgetTags(): unknown tag %d", tag);
1056 tag = va_arg(ap, int); /* read next tag */
1059 /* check if gadget is complete */
1060 if (gi->type != GD_TYPE_DRAWING_AREA &&
1061 (!gi->design[GD_BUTTON_UNPRESSED].bitmap ||
1062 !gi->design[GD_BUTTON_PRESSED].bitmap))
1063 Error(ERR_EXIT, "gadget incomplete (missing Bitmap)");
1065 /* adjust gadget values in relation to other gadget values */
1067 if (gi->type & GD_TYPE_TEXT_INPUT)
1069 int font_nr = gi->font_active;
1070 int font_width = getFontWidth(font_nr);
1071 int font_height = getFontHeight(font_nr);
1072 int border_xsize = gi->border.xsize;
1073 int border_ysize = gi->border.ysize;
1075 if (gi->type == GD_TYPE_TEXT_INPUT_NUMERIC)
1077 int number_min = gi->textinput.number_min;
1078 int number_max = gi->textinput.number_max;
1079 int min_size_min = get_minimal_size_for_numeric_input(number_min);
1080 int min_size_max = get_minimal_size_for_numeric_input(number_max);
1081 int min_size = MAX(min_size_min, min_size_max);
1083 /* expand gadget text input size, if maximal value is too large */
1084 if (gi->textinput.size < min_size)
1085 gi->textinput.size = min_size;
1088 gi->width = 2 * border_xsize + (gi->textinput.size + 1) * font_width;
1089 gi->height = 2 * border_ysize + font_height;
1092 if (gi->type & GD_TYPE_SELECTBOX)
1094 int font_nr = gi->font_active;
1095 int font_width = getFontWidth(font_nr);
1096 int font_height = getFontHeight(font_nr);
1097 int border_xsize = gi->border.xsize;
1098 int border_ysize = gi->border.ysize;
1099 int button_size = gi->border.xsize_selectbutton;
1100 int bottom_screen_border = gfx.sy + gfx.sysize - font_height;
1104 gi->width = 2 * border_xsize + gi->textinput.size*font_width +button_size;
1105 gi->height = 2 * border_ysize + font_height;
1107 if (gi->selectbox.options == NULL)
1108 Error(ERR_EXIT, "selectbox gadget incomplete (missing options array)");
1110 gi->selectbox.num_values = 0;
1111 while (gi->selectbox.options[gi->selectbox.num_values].text != NULL)
1112 gi->selectbox.num_values++;
1114 /* calculate values for open selectbox */
1115 gi->selectbox.width = gi->width;
1116 gi->selectbox.height =
1117 2 * border_ysize + gi->selectbox.num_values * font_height;
1119 gi->selectbox.x = gi->x;
1120 gi->selectbox.y = gi->y + gi->height;
1121 if (gi->selectbox.y + gi->selectbox.height > bottom_screen_border)
1122 gi->selectbox.y = gi->y - gi->selectbox.height;
1123 if (gi->selectbox.y < 0)
1124 gi->selectbox.y = bottom_screen_border - gi->selectbox.height;
1126 getFontCharSource(font_nr, FONT_ASCII_CURSOR, &src_bitmap, &src_x, &src_y);
1127 src_x += font_width / 2;
1128 src_y += font_height / 2;
1130 /* there may be esoteric cases with missing or too small font bitmap */
1131 if (src_bitmap != NULL &&
1132 src_x < src_bitmap->width && src_y < src_bitmap->height)
1133 gi->selectbox.inverse_color = GetPixel(src_bitmap, src_x, src_y);
1135 /* always start with closed selectbox */
1136 gi->selectbox.open = FALSE;
1139 if (gi->type & GD_TYPE_TEXT_INPUT_NUMERIC)
1141 struct GadgetTextInput *text = &gi->textinput;
1142 int value = text->number_value;
1144 text->number_value = (value < text->number_min ? text->number_min :
1145 value > text->number_max ? text->number_max :
1148 sprintf(text->value, "%d", text->number_value);
1151 if (gi->type & GD_TYPE_TEXT_BUTTON)
1153 int font_nr = gi->font_active;
1154 int font_width = getFontWidth(font_nr);
1155 int font_height = getFontHeight(font_nr);
1156 int border_xsize = gi->border.xsize;
1157 int border_ysize = gi->border.ysize;
1159 gi->width = 2 * border_xsize + gi->textbutton.size * font_width;
1160 gi->height = 2 * border_ysize + font_height;
1163 if (gi->type & GD_TYPE_SCROLLBAR)
1165 struct GadgetScrollbar *gs = &gi->scrollbar;
1166 int scrollbar_size_cmp;
1168 if (gi->width == 0 || gi->height == 0 ||
1169 gs->items_max == 0 || gs->items_visible == 0)
1170 Error(ERR_EXIT, "scrollbar gadget incomplete (missing tags)");
1172 /* calculate internal scrollbar values */
1173 gs->size_min = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
1174 gi->width : gi->height);
1175 gs->size_max = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
1176 gi->height : gi->width);
1178 scrollbar_size_cmp = gs->size_max * gs->items_visible / gs->items_max;
1179 gs->size = MAX(scrollbar_size_cmp, gs->size_min);
1180 gs->size_max_cmp = (gs->size_max - (gs->size - scrollbar_size_cmp));
1182 gs->position = gs->size_max_cmp * gs->item_position / gs->items_max;
1183 gs->position_max = gs->size_max - gs->size;
1184 gs->correction = gs->size_max / gs->items_max / 2;
1186 /* finetuning for maximal right/bottom position */
1187 if (gs->item_position == gs->items_max - gs->items_visible)
1188 gs->position = gs->position_max;
1191 if (gi->type & GD_TYPE_TEXT_AREA)
1193 int font_nr = gi->font_active;
1194 int font_width = getFontWidth(font_nr);
1195 int font_height = getFontHeight(font_nr);
1196 int border_xsize = gi->border.xsize;
1197 int border_ysize = gi->border.ysize;
1199 if (gi->width == 0 || gi->height == 0)
1201 gi->width = 2 * border_xsize + gi->textarea.xsize * font_width;
1202 gi->height = 2 * border_ysize + gi->textarea.ysize * font_height;
1206 gi->textarea.xsize = (gi->width - 2 * border_xsize) / font_width;
1207 gi->textarea.ysize = (gi->height - 2 * border_ysize) / font_height;
1212 void ModifyGadget(struct GadgetInfo *gi, int first_tag, ...)
1216 va_start(ap, first_tag);
1217 HandleGadgetTags(gi, first_tag, ap);
1223 void RedrawGadget(struct GadgetInfo *gi)
1229 DrawGadget(gi, gi->state, gi->direct_draw);
1232 struct GadgetInfo *CreateGadget(int first_tag, ...)
1234 struct GadgetInfo *new_gadget = checked_calloc(sizeof(struct GadgetInfo));
1237 /* always start with reliable default values */
1238 new_gadget->id = getNewGadgetID();
1239 new_gadget->callback_info = default_callback_info;
1240 new_gadget->callback_action = default_callback_action;
1241 new_gadget->active = TRUE;
1242 new_gadget->direct_draw = TRUE;
1244 new_gadget->next = NULL;
1246 va_start(ap, first_tag);
1247 HandleGadgetTags(new_gadget, first_tag, ap);
1250 /* insert new gadget into global gadget list */
1251 if (gadget_list_last_entry)
1253 gadget_list_last_entry->next = new_gadget;
1254 gadget_list_last_entry = gadget_list_last_entry->next;
1257 gadget_list_first_entry = gadget_list_last_entry = new_gadget;
1262 void FreeGadget(struct GadgetInfo *gi)
1264 struct GadgetInfo *gi_previous = gadget_list_first_entry;
1269 /* prevent "last_info_gi" from pointing to memory that will be freed */
1270 if (last_info_gi == gi)
1271 last_info_gi = NULL;
1273 while (gi_previous != NULL && gi_previous->next != gi)
1274 gi_previous = gi_previous->next;
1276 if (gi == gadget_list_first_entry)
1277 gadget_list_first_entry = gi->next;
1279 if (gi == gadget_list_last_entry)
1280 gadget_list_last_entry = gi_previous;
1282 if (gi_previous != NULL)
1283 gi_previous->next = gi->next;
1288 static void CheckRangeOfNumericInputGadget(struct GadgetInfo *gi)
1290 if (gi->type != GD_TYPE_TEXT_INPUT_NUMERIC)
1293 gi->textinput.number_value = atoi(gi->textinput.value);
1295 if (gi->textinput.number_value < gi->textinput.number_min)
1296 gi->textinput.number_value = gi->textinput.number_min;
1297 if (gi->textinput.number_value > gi->textinput.number_max)
1298 gi->textinput.number_value = gi->textinput.number_max;
1300 sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
1302 if (gi->textinput.cursor_position < 0)
1303 gi->textinput.cursor_position = 0;
1304 else if (gi->textinput.cursor_position > strlen(gi->textinput.value))
1305 gi->textinput.cursor_position = strlen(gi->textinput.value);
1308 /* global pointer to gadget actually in use (when mouse button pressed) */
1309 static struct GadgetInfo *last_gi = NULL;
1311 static void MapGadgetExt(struct GadgetInfo *gi, boolean redraw)
1313 if (gi == NULL || gi->mapped || GADGET_DEACTIVATED(gi))
1319 DrawGadget(gi, DG_UNPRESSED, DG_BUFFERED);
1322 void MapGadget(struct GadgetInfo *gi)
1324 MapGadgetExt(gi, TRUE);
1327 void UnmapGadget(struct GadgetInfo *gi)
1329 if (gi == NULL || !gi->mapped)
1338 #define MAX_NUM_GADGETS 1024
1339 #define MULTIMAP_UNMAP (1 << 0)
1340 #define MULTIMAP_REMAP (1 << 1)
1341 #define MULTIMAP_REDRAW (1 << 2)
1342 #define MULTIMAP_PLAYFIELD (1 << 3)
1343 #define MULTIMAP_DOOR_1 (1 << 4)
1344 #define MULTIMAP_DOOR_2 (1 << 5)
1345 #define MULTIMAP_DOOR_3 (1 << 6)
1346 #define MULTIMAP_ALL (MULTIMAP_PLAYFIELD | \
1351 static void MultiMapGadgets(int mode)
1353 struct GadgetInfo *gi = gadget_list_first_entry;
1354 static boolean map_state[MAX_NUM_GADGETS];
1363 if ((mode & MULTIMAP_PLAYFIELD && IN_GFX_FIELD_FULL(x, y)) ||
1364 (mode & MULTIMAP_DOOR_1 && IN_GFX_DOOR_1(x, y)) ||
1365 (mode & MULTIMAP_DOOR_2 && IN_GFX_DOOR_2(x, y)) ||
1366 (mode & MULTIMAP_DOOR_3 && IN_GFX_DOOR_3(x, y)) ||
1367 (mode & MULTIMAP_ALL) == MULTIMAP_ALL)
1369 if ((mode & MULTIMAP_PLAYFIELD &&
1370 gi->x < gfx.sx + gfx.sxsize) ||
1371 (mode & MULTIMAP_DOOR_1 &&
1372 gi->x >= gfx.dx && gi->y < gfx.dy + gfx.dysize) ||
1373 (mode & MULTIMAP_DOOR_2 &&
1374 gi->x >= gfx.dx && gi->y > gfx.dy + gfx.dysize) ||
1375 (mode & MULTIMAP_ALL) == MULTIMAP_ALL)
1378 if (mode & MULTIMAP_UNMAP)
1380 map_state[map_count++ % MAX_NUM_GADGETS] = gi->mapped;
1385 if (map_state[map_count++ % MAX_NUM_GADGETS])
1386 MapGadgetExt(gi, (mode & MULTIMAP_REDRAW));
1394 void UnmapAllGadgets()
1396 MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_UNMAP);
1399 void RemapAllGadgets()
1401 MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_REMAP);
1404 boolean anyTextInputGadgetActive()
1406 return (last_gi && (last_gi->type & GD_TYPE_TEXT_INPUT) && last_gi->mapped);
1409 boolean anyTextAreaGadgetActive()
1411 return (last_gi && (last_gi->type & GD_TYPE_TEXT_AREA) && last_gi->mapped);
1414 boolean anySelectboxGadgetActive()
1416 return (last_gi && (last_gi->type & GD_TYPE_SELECTBOX) && last_gi->mapped);
1419 boolean anyScrollbarGadgetActive()
1421 return (last_gi && (last_gi->type & GD_TYPE_SCROLLBAR) && last_gi->mapped);
1424 boolean anyTextGadgetActive()
1426 return (anyTextInputGadgetActive() ||
1427 anyTextAreaGadgetActive() ||
1428 anySelectboxGadgetActive());
1431 static boolean insideSelectboxLine(struct GadgetInfo *gi, int mx, int my)
1433 return (gi != NULL &&
1434 gi->type & GD_TYPE_SELECTBOX &&
1435 mx >= gi->x && mx < gi->x + gi->width &&
1436 my >= gi->y && my < gi->y + gi->height);
1439 static boolean insideSelectboxArea(struct GadgetInfo *gi, int mx, int my)
1441 return (gi != NULL &&
1442 gi->type & GD_TYPE_SELECTBOX &&
1443 mx >= gi->selectbox.x && mx < gi->selectbox.x + gi->selectbox.width &&
1444 my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height);
1447 void ClickOnGadget(struct GadgetInfo *gi, int button)
1452 /* simulate releasing mouse button over last gadget, if still pressed */
1454 HandleGadgets(-1, -1, 0);
1456 /* simulate pressing mouse button over specified gadget */
1457 HandleGadgets(gi->x, gi->y, button);
1459 /* simulate releasing mouse button over specified gadget */
1460 HandleGadgets(gi->x, gi->y, 0);
1463 boolean HandleGadgets(int mx, int my, int button)
1465 static unsigned int pressed_delay = 0;
1466 static unsigned int pressed_delay_value = GADGET_FRAME_DELAY;
1467 static int last_button = 0;
1468 static int last_mx = 0, last_my = 0;
1469 static int pressed_mx = 0, pressed_my = 0;
1470 static boolean keep_selectbox_open = FALSE;
1471 static boolean gadget_stopped = FALSE;
1472 int scrollbar_mouse_pos = 0;
1473 struct GadgetInfo *new_gi, *gi;
1474 boolean press_event;
1475 boolean release_event;
1476 boolean mouse_moving;
1477 boolean mouse_inside_select_line;
1478 boolean mouse_inside_select_area;
1479 boolean mouse_released_where_pressed;
1480 boolean gadget_pressed;
1481 boolean gadget_pressed_repeated;
1482 boolean gadget_pressed_off_borders;
1483 boolean gadget_pressed_inside_select_line;
1484 boolean gadget_pressed_delay_reached;
1485 boolean gadget_moving;
1486 boolean gadget_moving_inside;
1487 boolean gadget_moving_off_borders;
1488 boolean gadget_draggable;
1489 boolean gadget_dragging;
1490 boolean gadget_released;
1491 boolean gadget_released_inside;
1493 boolean gadget_released_inside_select_line;
1495 boolean gadget_released_inside_select_area;
1496 boolean gadget_released_off_borders;
1497 boolean changed_position = FALSE;
1499 /* check if there are any gadgets defined */
1500 if (gadget_list_first_entry == NULL)
1503 /* simulated release of mouse button over last gadget */
1504 if (mx == -1 && my == -1 && button == 0)
1510 /* check which gadget is under the mouse pointer */
1511 new_gi = getGadgetInfoFromMousePosition(mx, my, button);
1513 /* check if button state has changed since last invocation */
1514 press_event = (button != 0 && last_button == 0);
1515 release_event = (button == 0 && last_button != 0);
1516 last_button = button;
1518 /* check if mouse has been moved since last invocation */
1519 mouse_moving = ((mx != last_mx || my != last_my) && motion_status);
1523 if (press_event && new_gi != last_gi)
1529 mouse_released_where_pressed =
1530 (release_event && mx == pressed_mx && my == pressed_my);
1532 mouse_inside_select_line = insideSelectboxLine(new_gi, mx, my);
1533 mouse_inside_select_area = insideSelectboxArea(new_gi, mx, my);
1535 gadget_pressed_off_borders = (press_event && new_gi != last_gi);
1537 gadget_pressed_inside_select_line =
1538 (press_event && new_gi != NULL &&
1539 new_gi->type & GD_TYPE_SELECTBOX && new_gi->selectbox.open &&
1540 insideSelectboxLine(new_gi, mx, my));
1542 /* if mouse button pressed outside text or selectbox gadget, deactivate it */
1543 if (anyTextGadgetActive() &&
1544 (gadget_pressed_off_borders ||
1545 (gadget_pressed_inside_select_line && !mouse_inside_select_area)))
1547 struct GadgetInfo *gi = last_gi;
1548 boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_LEAVING) != 0);
1550 /* check if text gadget has changed its value */
1551 if (gi->type & GD_TYPE_TEXT_INPUT)
1553 CheckRangeOfNumericInputGadget(gi);
1555 if (!strEqual(gi->textinput.last_value, gi->textinput.value))
1556 strcpy(gi->textinput.last_value, gi->textinput.value);
1558 gadget_changed = FALSE;
1561 /* selectbox does not change its value when closed by clicking outside */
1562 if (gi->type & GD_TYPE_SELECTBOX)
1563 gadget_changed = FALSE;
1565 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
1567 gi->event.type = GD_EVENT_TEXT_LEAVING;
1569 if (gadget_changed && !(gi->type & GD_TYPE_SELECTBOX))
1570 gi->callback_action(gi);
1574 if (gadget_pressed_inside_select_line)
1579 (button != 0 && last_gi == NULL && new_gi != NULL && press_event);
1580 gadget_pressed_repeated =
1581 (button != 0 && last_gi != NULL && new_gi == last_gi);
1583 gadget_pressed_delay_reached =
1584 DelayReached(&pressed_delay, pressed_delay_value);
1586 gadget_released = (release_event && last_gi != NULL);
1587 gadget_released_inside = (gadget_released && new_gi == last_gi);
1588 gadget_released_off_borders = (gadget_released && new_gi != last_gi);
1590 gadget_moving = (button != 0 && last_gi != NULL && mouse_moving);
1591 gadget_moving_inside = (gadget_moving && new_gi == last_gi);
1592 gadget_moving_off_borders = (gadget_moving && new_gi != last_gi);
1594 /* when handling selectbox, set additional state values */
1595 if (gadget_released_inside && (last_gi->type & GD_TYPE_SELECTBOX))
1598 gadget_released_inside_select_line = insideSelectboxLine(last_gi, mx, my);
1600 gadget_released_inside_select_area = insideSelectboxArea(last_gi, mx, my);
1605 gadget_released_inside_select_line = FALSE;
1607 gadget_released_inside_select_area = FALSE;
1610 /* setting state for handling over-large selectbox */
1611 if (keep_selectbox_open && (press_event || !mouse_inside_select_line))
1612 keep_selectbox_open = FALSE;
1614 /* if new gadget pressed, store this gadget */
1618 /* 'gi' is actually handled gadget */
1621 /* if gadget is scrollbar, choose mouse position value */
1622 if (gi && gi->type & GD_TYPE_SCROLLBAR)
1623 scrollbar_mouse_pos =
1624 (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx - gi->x : my - gi->y);
1626 /* if mouse button released, no gadget needs to be handled anymore */
1627 if (gadget_released)
1629 if (gi->type & GD_TYPE_SELECTBOX &&
1630 (keep_selectbox_open ||
1631 mouse_released_where_pressed ||
1632 !gadget_released_inside_select_area)) /* selectbox stays open */
1634 gi->selectbox.stay_open = TRUE;
1638 else if (!(gi->type & GD_TYPE_TEXT_INPUT ||
1639 gi->type & GD_TYPE_TEXT_AREA)) /* text input stays open */
1643 /* modify event position values even if no gadget is pressed */
1644 if (button == 0 && !release_event)
1647 /* if new gadget or if no gadget was pressed, release stopped processing */
1648 if (gadget_pressed || new_gi == NULL)
1649 gadget_stopped = FALSE;
1651 /* if gadget was stopped while being handled, stop gadget processing here */
1657 int last_x = gi->event.x;
1658 int last_y = gi->event.y;
1660 gi->event.x = mx - gi->x;
1661 gi->event.y = my - gi->y;
1663 if (gi->type == GD_TYPE_DRAWING_AREA)
1665 gi->event.x /= gi->drawing.item_xsize;
1666 gi->event.y /= gi->drawing.item_ysize;
1668 if (last_x != gi->event.x || last_y != gi->event.y)
1669 changed_position = TRUE;
1671 else if (gi->type & GD_TYPE_TEXT_INPUT && button != 0 && !motion_status)
1673 int old_cursor_position = gi->textinput.cursor_position;
1675 /* if mouse button pressed inside activated text gadget, set cursor */
1676 gi->textinput.cursor_position =
1677 (mx - gi->x - gi->border.xsize) / getFontWidth(gi->font);
1679 if (gi->textinput.cursor_position < 0)
1680 gi->textinput.cursor_position = 0;
1681 else if (gi->textinput.cursor_position > strlen(gi->textinput.value))
1682 gi->textinput.cursor_position = strlen(gi->textinput.value);
1684 if (gi->textinput.cursor_position != old_cursor_position)
1685 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1687 else if (gi->type & GD_TYPE_TEXT_AREA && button != 0 && !motion_status)
1689 int old_cursor_position = gi->textarea.cursor_position;
1690 int x = (mx - gi->x - gi->border.xsize) / getFontWidth(gi->font);
1691 int y = (my - gi->y - gi->border.ysize) / getFontHeight(gi->font);
1693 x = (x < 0 ? 0 : x >= gi->textarea.xsize ? gi->textarea.xsize - 1 : x);
1694 y = (y < 0 ? 0 : y >= gi->textarea.ysize ? gi->textarea.ysize - 1 : y);
1696 setTextAreaCursorXY(gi, x, y);
1698 if (gi->textarea.cursor_position != old_cursor_position)
1699 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1701 else if (gi->type & GD_TYPE_SELECTBOX && gi->selectbox.open &&
1702 !keep_selectbox_open)
1704 int old_index = gi->selectbox.current_index;
1706 /* if mouse moving inside activated selectbox, select value */
1707 if (my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height)
1708 gi->selectbox.current_index =
1709 (my - gi->selectbox.y - gi->border.ysize) / getFontHeight(gi->font);
1711 if (gi->selectbox.current_index < 0)
1712 gi->selectbox.current_index = 0;
1713 else if (gi->selectbox.current_index > gi->selectbox.num_values - 1)
1714 gi->selectbox.current_index = gi->selectbox.num_values - 1;
1716 if (gi->selectbox.current_index != old_index)
1717 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1721 /* handle gadget popup info text */
1722 if (last_info_gi != new_gi ||
1723 (new_gi && new_gi->type == GD_TYPE_DRAWING_AREA && changed_position))
1725 if (new_gi != NULL && (button == 0 || new_gi == last_gi))
1727 new_gi->event.type = GD_EVENT_INFO_ENTERING;
1728 new_gi->callback_info(new_gi);
1730 else if (last_info_gi != NULL)
1732 last_info_gi->event.type = GD_EVENT_INFO_LEAVING;
1733 last_info_gi->callback_info(last_info_gi);
1736 last_info_gi = new_gi;
1739 gadget_draggable = (gi && gi->type & GD_TYPE_SCROLLBAR);
1741 /* reset drag position for newly pressed scrollbar to "not dragging" */
1742 if (gadget_pressed && gadget_draggable)
1743 gi->scrollbar.drag_position = -1;
1745 gadget_dragging = (gadget_draggable && gi->scrollbar.drag_position != -1);
1747 /* clicking next to a scrollbar to move it is not considered "moving" */
1748 if (gadget_draggable && !gadget_dragging)
1749 gadget_moving = FALSE;
1751 /* when leaving scrollbar area when jump-scrolling, stop gadget processing */
1752 if (gadget_draggable && !gadget_dragging && gadget_moving_off_borders)
1753 gadget_stopped = TRUE;
1755 if ((gadget_pressed) ||
1756 (gadget_pressed_repeated && gadget_pressed_delay_reached))
1758 if (gadget_pressed) /* gadget pressed the first time */
1760 /* initialize delay counter */
1761 DelayReached(&pressed_delay, 0);
1763 /* start gadget delay with longer delay after first click on gadget */
1764 pressed_delay_value = GADGET_FRAME_DELAY_FIRST;
1766 else /* gadget hold pressed for some time */
1768 /* after first repeated gadget click, continue with shorter delay value */
1769 pressed_delay_value = GADGET_FRAME_DELAY;
1772 if (gi->type & GD_TYPE_SCROLLBAR && !gadget_dragging)
1774 int mpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx : my);
1775 int gpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? gi->x : gi->y);
1776 int slider_start = gpos + gi->scrollbar.position;
1777 int slider_end = gpos + gi->scrollbar.position + gi->scrollbar.size - 1;
1778 boolean inside_slider = (mpos >= slider_start && mpos <= slider_end);
1780 if (IS_WHEEL_BUTTON(button) || !inside_slider)
1782 /* click scrollbar one scrollbar length up/left or down/right */
1784 struct GadgetScrollbar *gs = &gi->scrollbar;
1785 int old_item_position = gs->item_position;
1786 int item_steps = gs->items_visible - 1;
1787 int item_direction = (mpos < gpos + gi->scrollbar.position ? -1 : +1);
1789 if (IS_WHEEL_BUTTON(button))
1791 boolean scroll_single_step = ((GetKeyModState() & KMOD_Alt) != 0);
1793 item_steps = (scroll_single_step ? 1 : DEFAULT_WHEEL_STEPS);
1794 item_direction = (button == MB_WHEEL_UP ||
1795 button == MB_WHEEL_LEFT ? -1 : +1);
1798 changed_position = FALSE;
1800 gs->item_position += item_steps * item_direction;
1802 if (gs->item_position < 0)
1803 gs->item_position = 0;
1804 else if (gs->item_position > gs->items_max - gs->items_visible)
1805 gs->item_position = gs->items_max - gs->items_visible;
1807 if (old_item_position != gs->item_position)
1809 gi->event.item_position = gs->item_position;
1810 changed_position = TRUE;
1813 ModifyGadget(gi, GDI_SCROLLBAR_ITEM_POSITION, gs->item_position,
1816 gi->state = GD_BUTTON_UNPRESSED;
1817 gi->event.type = GD_EVENT_MOVING;
1818 gi->event.off_borders = FALSE;
1820 if (gi->event_mask & GD_EVENT_MOVING && changed_position)
1821 gi->callback_action(gi);
1827 /* don't handle this scrollbar anymore when mouse position reached */
1828 if (gadget_pressed_repeated)
1830 gadget_stopped = TRUE;
1840 PlayGadgetSoundActivating();
1842 if (gi->type == GD_TYPE_CHECK_BUTTON)
1844 gi->checked = !gi->checked;
1846 else if (gi->type == GD_TYPE_RADIO_BUTTON)
1848 struct GadgetInfo *rgi = gadget_list_first_entry;
1853 rgi->type == GD_TYPE_RADIO_BUTTON &&
1854 rgi->radio_nr == gi->radio_nr &&
1857 rgi->checked = FALSE;
1858 DrawGadget(rgi, DG_UNPRESSED, rgi->direct_draw);
1866 else if (gi->type & GD_TYPE_SCROLLBAR)
1868 int mpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx : my);
1869 int gpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? gi->x : gi->y);
1870 int slider_start = gpos + gi->scrollbar.position;
1871 int slider_end = gpos + gi->scrollbar.position + gi->scrollbar.size - 1;
1872 boolean inside_slider = (mpos >= slider_start && mpos <= slider_end);
1874 if (!IS_WHEEL_BUTTON(button) && inside_slider)
1876 /* start dragging scrollbar */
1877 gi->scrollbar.drag_position =
1878 scrollbar_mouse_pos - gi->scrollbar.position;
1881 else if (gi->type & GD_TYPE_SELECTBOX)
1883 /* keep selectbox open in case of over-large selectbox */
1884 keep_selectbox_open = (mouse_inside_select_line &&
1885 mouse_inside_select_area);
1888 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1890 gi->state = GD_BUTTON_PRESSED;
1891 gi->event.type = GD_EVENT_PRESSED;
1892 gi->event.button = button;
1893 gi->event.off_borders = FALSE;
1895 if (gi->event_mask & GD_EVENT_PRESSED)
1896 gi->callback_action(gi);
1899 if (gadget_pressed_repeated)
1901 gi->event.type = GD_EVENT_PRESSED;
1903 if (gi->event_mask & GD_EVENT_REPEATED && gadget_pressed_delay_reached)
1904 gi->callback_action(gi);
1909 if (gi->type & GD_TYPE_BUTTON)
1911 if (gadget_moving_inside && gi->state == GD_BUTTON_UNPRESSED)
1912 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1913 else if (gadget_moving_off_borders && gi->state == GD_BUTTON_PRESSED)
1914 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
1916 else if (gi->type & GD_TYPE_SELECTBOX && !keep_selectbox_open)
1918 int old_index = gi->selectbox.current_index;
1920 /* if mouse moving inside activated selectbox, select value */
1921 if (my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height)
1922 gi->selectbox.current_index =
1923 (my - gi->selectbox.y - gi->border.ysize) / getFontHeight(gi->font);
1925 if (gi->selectbox.current_index < 0)
1926 gi->selectbox.current_index = 0;
1927 else if (gi->selectbox.current_index > gi->selectbox.num_values - 1)
1928 gi->selectbox.current_index = gi->selectbox.num_values - 1;
1930 if (gi->selectbox.current_index != old_index)
1931 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1933 else if (gi->type & GD_TYPE_SCROLLBAR)
1935 struct GadgetScrollbar *gs = &gi->scrollbar;
1936 int old_item_position = gs->item_position;
1938 gs->position = scrollbar_mouse_pos - gs->drag_position;
1940 /* make sure to always precisely reach end positions when dragging */
1941 if (gs->position <= 0)
1944 gs->item_position = 0;
1946 else if (gs->position >= gs->position_max)
1948 gs->position = gs->position_max;
1949 gs->item_position = gs->items_max - gs->items_visible;
1954 gs->items_max * (gs->position + gs->correction) / gs->size_max_cmp;
1957 if (gs->item_position < 0)
1958 gs->item_position = 0;
1959 if (gs->item_position > gs->items_max - 1)
1960 gs->item_position = gs->items_max - 1;
1962 if (old_item_position != gs->item_position)
1964 gi->event.item_position = gs->item_position;
1965 changed_position = TRUE;
1968 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
1971 gi->state = (gadget_moving_inside || gadget_draggable ?
1972 GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
1973 gi->event.type = GD_EVENT_MOVING;
1974 gi->event.off_borders = gadget_moving_off_borders;
1976 if (gi->event_mask & GD_EVENT_MOVING && changed_position &&
1977 (gadget_moving_inside || gi->event_mask & GD_EVENT_OFF_BORDERS))
1978 gi->callback_action(gi);
1981 if (gadget_released_inside)
1983 boolean deactivate_gadget = TRUE;
1984 boolean gadget_changed = TRUE;
1986 if (gi->type & GD_TYPE_SELECTBOX)
1988 if (keep_selectbox_open ||
1989 mouse_released_where_pressed ||
1990 !gadget_released_inside_select_area) /* selectbox stays open */
1992 deactivate_gadget = FALSE;
1993 gadget_changed = FALSE;
1995 else if (gi->selectbox.index != gi->selectbox.current_index)
1996 gi->selectbox.index = gi->selectbox.current_index;
1998 gadget_changed = FALSE;
2001 if (deactivate_gadget &&
2002 !(gi->type & GD_TYPE_TEXT_INPUT ||
2003 gi->type & GD_TYPE_TEXT_AREA)) /* text input stays open */
2004 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
2006 gi->state = GD_BUTTON_UNPRESSED;
2007 gi->event.type = GD_EVENT_RELEASED;
2009 if ((gi->event_mask & GD_EVENT_RELEASED) && gadget_changed)
2011 gi->callback_action(gi);
2015 if (gadget_released_off_borders)
2017 if (gi->type & GD_TYPE_SCROLLBAR)
2018 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
2020 gi->state = GD_BUTTON_UNPRESSED;
2021 gi->event.type = GD_EVENT_RELEASED;
2023 if (gi->event_mask & GD_EVENT_RELEASED &&
2024 gi->event_mask & GD_EVENT_OFF_BORDERS)
2025 gi->callback_action(gi);
2028 /* handle gadgets unmapped/mapped between pressing and releasing */
2029 if (release_event && !gadget_released && new_gi)
2030 new_gi->state = GD_BUTTON_UNPRESSED;
2032 return (gadget_pressed || gadget_pressed_repeated ||
2033 gadget_released || gadget_moving);
2036 static void insertCharIntoTextArea(struct GadgetInfo *gi, char c)
2038 char text[MAX_GADGET_TEXTSIZE + 1];
2039 int cursor_position = gi->textarea.cursor_position;
2041 if (strlen(gi->textarea.value) >= MAX_GADGET_TEXTSIZE) /* no space left */
2044 strcpy(text, gi->textarea.value);
2045 strcpy(&gi->textarea.value[cursor_position + 1], &text[cursor_position]);
2046 gi->textarea.value[cursor_position] = c;
2048 setTextAreaCursorPosition(gi, gi->textarea.cursor_position + 1);
2051 boolean HandleGadgetsKeyInput(Key key)
2053 struct GadgetInfo *gi = last_gi;
2055 if (gi == NULL || !gi->mapped ||
2056 !(gi->type & GD_TYPE_TEXT_INPUT ||
2057 gi->type & GD_TYPE_TEXT_AREA ||
2058 gi->type & GD_TYPE_SELECTBOX))
2061 if (key == KSYM_Return) /* valid for both text input and selectbox */
2063 boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_RETURN) != 0);
2065 if (gi->type & GD_TYPE_TEXT_INPUT)
2067 CheckRangeOfNumericInputGadget(gi);
2069 if (!strEqual(gi->textinput.last_value, gi->textinput.value))
2070 strcpy(gi->textinput.last_value, gi->textinput.value);
2072 gadget_changed = FALSE;
2074 else if (gi->type & GD_TYPE_SELECTBOX)
2076 if (gi->selectbox.index != gi->selectbox.current_index)
2077 gi->selectbox.index = gi->selectbox.current_index;
2079 gadget_changed = FALSE;
2082 if (gi->type & GD_TYPE_TEXT_AREA)
2084 insertCharIntoTextArea(gi, '\n');
2086 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2090 DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
2092 gi->event.type = GD_EVENT_TEXT_RETURN;
2098 gi->callback_action(gi);
2100 else if (gi->type & GD_TYPE_TEXT_INPUT) /* only valid for text input */
2102 char text[MAX_GADGET_TEXTSIZE + 1];
2103 int text_length = strlen(gi->textinput.value);
2104 int cursor_pos = gi->textinput.cursor_position;
2105 char letter = getCharFromKey(key);
2106 boolean legal_letter = (gi->type == GD_TYPE_TEXT_INPUT_NUMERIC ?
2107 letter >= '0' && letter <= '9' :
2110 if (legal_letter && text_length < gi->textinput.size)
2112 strcpy(text, gi->textinput.value);
2113 strcpy(&gi->textinput.value[cursor_pos + 1], &text[cursor_pos]);
2114 gi->textinput.value[cursor_pos] = letter;
2115 gi->textinput.cursor_position++;
2117 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2119 else if (key == KSYM_Left && cursor_pos > 0)
2121 gi->textinput.cursor_position--;
2123 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2125 else if (key == KSYM_Right && cursor_pos < text_length)
2127 gi->textinput.cursor_position++;
2129 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2131 else if (key == KSYM_BackSpace && cursor_pos > 0)
2133 strcpy(text, gi->textinput.value);
2134 strcpy(&gi->textinput.value[cursor_pos - 1], &text[cursor_pos]);
2135 gi->textinput.cursor_position--;
2137 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2139 else if (key == KSYM_Delete && cursor_pos < text_length)
2141 strcpy(text, gi->textinput.value);
2142 strcpy(&gi->textinput.value[cursor_pos], &text[cursor_pos + 1]);
2144 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2147 else if (gi->type & GD_TYPE_TEXT_AREA) /* only valid for text area */
2149 char text[MAX_GADGET_TEXTSIZE + 1];
2150 int text_length = strlen(gi->textarea.value);
2151 int area_ysize = gi->textarea.ysize;
2152 int cursor_x_pref = gi->textarea.cursor_x_preferred;
2153 int cursor_y = gi->textarea.cursor_y;
2154 int cursor_pos = gi->textarea.cursor_position;
2155 char letter = getCharFromKey(key);
2156 boolean legal_letter = (letter != 0);
2160 insertCharIntoTextArea(gi, letter);
2162 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2164 else if (key == KSYM_Left && cursor_pos > 0)
2166 setTextAreaCursorPosition(gi, gi->textarea.cursor_position - 1);
2168 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2170 else if (key == KSYM_Right && cursor_pos < text_length)
2172 setTextAreaCursorPosition(gi, gi->textarea.cursor_position + 1);
2174 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2176 else if (key == KSYM_Up && cursor_y > 0)
2178 setTextAreaCursorXY(gi, cursor_x_pref, cursor_y - 1);
2179 gi->textarea.cursor_x_preferred = cursor_x_pref;
2181 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2183 else if (key == KSYM_Down && cursor_y < area_ysize - 1)
2185 setTextAreaCursorXY(gi, cursor_x_pref, cursor_y + 1);
2186 gi->textarea.cursor_x_preferred = cursor_x_pref;
2188 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2190 else if (key == KSYM_BackSpace && cursor_pos > 0)
2192 strcpy(text, gi->textarea.value);
2193 strcpy(&gi->textarea.value[cursor_pos - 1], &text[cursor_pos]);
2195 setTextAreaCursorPosition(gi, gi->textarea.cursor_position - 1);
2197 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2199 else if (key == KSYM_Delete && cursor_pos < text_length)
2201 strcpy(text, gi->textarea.value);
2202 strcpy(&gi->textarea.value[cursor_pos], &text[cursor_pos + 1]);
2204 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2207 else if (gi->type & GD_TYPE_SELECTBOX) /* only valid for selectbox */
2209 int index = gi->selectbox.current_index;
2210 int num_values = gi->selectbox.num_values;
2212 if (key == KSYM_Up && index > 0)
2214 gi->selectbox.current_index--;
2216 DrawGadget(gi, DG_PRESSED, gi->direct_draw);
2218 else if (key == KSYM_Down && index < num_values - 1)
2220 gi->selectbox.current_index++;
2222 DrawGadget(gi, DG_PRESSED, gi->direct_draw);