2 * winctrls.c: routines to self-manage the controls in a dialog
7 * Possible TODO in new cross-platform config box stuff:
9 * - When lining up two controls alongside each other, I wonder if
10 * we could conveniently arrange to centre them vertically?
11 * Particularly ugly in the current setup is the `Add new
12 * forwarded port:' static next to the rather taller `Remove'
33 #define STATICHEIGHT 8
34 #define TITLEHEIGHT 12
35 #define CHECKBOXHEIGHT 8
39 #define LISTINCREMENT 8
40 #define COMBOHEIGHT 12
41 #define PUSHBTNHEIGHT 14
42 #define PROGBARHEIGHT 14
44 void ctlposinit(struct ctlpos *cp, HWND hwnd,
45 int leftborder, int rightborder, int topborder)
49 cp->font = SendMessage(hwnd, WM_GETFONT, 0, 0);
51 GetClientRect(hwnd, &r);
55 MapDialogRect(hwnd, &r2);
56 cp->dlu4inpix = r2.right;
57 cp->width = (r.right * 4) / (r2.right) - 2 * GAPBETWEEN;
58 cp->xoff = leftborder;
59 cp->width -= leftborder + rightborder;
62 HWND doctl(struct ctlpos *cp, RECT r,
63 char *wclass, int wstyle, int exstyle, char *wtext, int wid)
67 * Note nonstandard use of RECT. This is deliberate: by
68 * transforming the width and height directly we arrange to
69 * have all supposedly same-sized controls really same-sized.
73 MapDialogRect(cp->hwnd, &r);
76 * We can pass in cp->hwnd == NULL, to indicate a dry run
77 * without creating any actual controls.
80 ctl = CreateWindowEx(exstyle, wclass, wtext, wstyle,
81 r.left, r.top, r.right, r.bottom,
82 cp->hwnd, (HMENU) wid, hinst, NULL);
83 SendMessage(ctl, WM_SETFONT, cp->font, MAKELPARAM(TRUE, 0));
85 if (!strcmp(wclass, "LISTBOX")) {
87 * Bizarre Windows bug: the list box calculates its
88 * number of lines based on the font it has at creation
89 * time, but sending it WM_SETFONT doesn't cause it to
90 * recalculate. So now, _after_ we've sent it
91 * WM_SETFONT, we explicitly resize it (to the same
92 * size it was already!) to force it to reconsider.
94 SetWindowPos(ctl, NULL, 0, 0, r.right, r.bottom,
95 SWP_NOACTIVATE | SWP_NOCOPYBITS |
96 SWP_NOMOVE | SWP_NOZORDER);
104 * A title bar across the top of a sub-dialog.
106 void bartitle(struct ctlpos *cp, char *name, int id)
113 r.bottom = STATICHEIGHT;
114 cp->ypos += r.bottom + GAPBETWEEN;
115 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, name, id);
119 * Begin a grouping box, with or without a group title.
121 void beginbox(struct ctlpos *cp, char *name, int idbox)
123 cp->boxystart = cp->ypos;
125 cp->boxystart -= STATICHEIGHT / 2;
127 cp->ypos += STATICHEIGHT;
129 cp->width -= 2 * GAPXBOX;
136 * End a grouping box.
138 void endbox(struct ctlpos *cp)
142 cp->width += 2 * GAPXBOX;
143 cp->ypos += GAPYBOX - GAPBETWEEN;
146 r.top = cp->boxystart;
147 r.bottom = cp->ypos - cp->boxystart;
148 doctl(cp, r, "BUTTON", BS_GROUPBOX | WS_CHILD | WS_VISIBLE, 0,
149 cp->boxtext ? cp->boxtext : "", cp->boxid);
154 * Some edit boxes. Each one has a static above it. The percentages
155 * of the horizontal space are provided.
157 void multiedit(struct ctlpos *cp, int password, ...)
164 va_start(ap, password);
167 int staticid, editid, pcwidth;
168 text = va_arg(ap, char *);
171 staticid = va_arg(ap, int);
172 editid = va_arg(ap, int);
173 pcwidth = va_arg(ap, int);
175 r.left = xpos + GAPBETWEEN;
177 xpos = (cp->width + GAPBETWEEN) * percent / 100;
178 r.right = xpos - r.left;
181 r.bottom = STATICHEIGHT;
182 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid);
183 r.top = cp->ypos + 8 + GAPWITHIN;
184 r.bottom = EDITHEIGHT;
186 WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL |
187 (password ? ES_PASSWORD : 0),
188 WS_EX_CLIENTEDGE, "", editid);
191 cp->ypos += STATICHEIGHT + GAPWITHIN + EDITHEIGHT + GAPBETWEEN;
195 * A static line, followed by a full-width combo box.
197 void combobox(struct ctlpos *cp, char *text, int staticid, int listid)
205 r.bottom = STATICHEIGHT;
206 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid);
207 r.top = cp->ypos + 8 + GAPWITHIN;
208 r.bottom = COMBOHEIGHT * 10;
209 doctl(cp, r, "COMBOBOX",
210 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
211 CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", listid);
213 cp->ypos += STATICHEIGHT + GAPWITHIN + COMBOHEIGHT + GAPBETWEEN;
216 struct radio { char *text; int id; };
218 static void radioline_common(struct ctlpos *cp, char *text, int id,
219 int nacross, struct radio *buttons, int nbuttons)
230 r.bottom = STATICHEIGHT;
231 cp->ypos += r.bottom + GAPWITHIN;
232 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, id);
237 for (j = 0; j < nbuttons; j++) {
238 char *btext = buttons[j].text;
239 int bid = buttons[j].id;
242 cp->ypos += r.bottom + (nacross > 1 ? GAPBETWEEN : GAPWITHIN);
245 r.left = GAPBETWEEN + i * (cp->width + GAPBETWEEN) / nacross;
248 (i + 1) * (cp->width + GAPBETWEEN) / nacross - r.left;
250 r.right = cp->width - r.left;
252 r.bottom = RADIOHEIGHT;
253 doctl(cp, r, "BUTTON",
254 BS_NOTIFY | BS_AUTORADIOBUTTON | WS_CHILD |
255 WS_VISIBLE | WS_TABSTOP | group, 0, btext, bid);
259 cp->ypos += r.bottom + GAPBETWEEN;
263 * A set of radio buttons on the same line, with a static above
264 * them. `nacross' dictates how many parts the line is divided into
265 * (you might want this not to equal the number of buttons if you
266 * needed to line up some 2s and some 3s to look good in the same
269 * There's a bit of a hack in here to ensure that if nacross
270 * exceeds the actual number of buttons, the rightmost button
271 * really does get all the space right to the edge of the line, so
272 * you can do things like
274 * (*) Button1 (*) Button2 (*) ButtonWithReallyLongTitle
276 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...)
279 struct radio *buttons;
282 va_start(ap, nacross);
285 char *btext = va_arg(ap, char *);
289 bid = va_arg(ap, int);
292 buttons = smalloc(nbuttons * sizeof(struct radio));
293 va_start(ap, nacross);
294 for (i = 0; i < nbuttons; i++) {
295 buttons[i].text = va_arg(ap, char *);
296 buttons[i].id = va_arg(ap, int);
299 radioline_common(cp, text, id, nacross, buttons, nbuttons);
304 * A set of radio buttons on the same line, without a static above
305 * them. Otherwise just like radioline.
307 void bareradioline(struct ctlpos *cp, int nacross, ...)
310 struct radio *buttons;
313 va_start(ap, nacross);
316 char *btext = va_arg(ap, char *);
320 bid = va_arg(ap, int);
323 buttons = smalloc(nbuttons * sizeof(struct radio));
324 va_start(ap, nacross);
325 for (i = 0; i < nbuttons; i++) {
326 buttons[i].text = va_arg(ap, char *);
327 buttons[i].id = va_arg(ap, int);
330 radioline_common(cp, NULL, 0, nacross, buttons, nbuttons);
335 * A set of radio buttons on multiple lines, with a static above
338 void radiobig(struct ctlpos *cp, char *text, int id, ...)
341 struct radio *buttons;
347 char *btext = va_arg(ap, char *);
351 bid = va_arg(ap, int);
354 buttons = smalloc(nbuttons * sizeof(struct radio));
356 for (i = 0; i < nbuttons; i++) {
357 buttons[i].text = va_arg(ap, char *);
358 buttons[i].id = va_arg(ap, int);
361 radioline_common(cp, text, id, 1, buttons, nbuttons);
366 * A single standalone checkbox.
368 void checkbox(struct ctlpos *cp, char *text, int id)
375 r.bottom = CHECKBOXHEIGHT;
376 cp->ypos += r.bottom + GAPBETWEEN;
377 doctl(cp, r, "BUTTON",
378 BS_NOTIFY | BS_AUTOCHECKBOX | WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0,
383 * Wrap a piece of text for a static text control. Returns the
384 * wrapped text (a malloc'ed string containing \ns), and also
385 * returns the number of lines required.
387 char *staticwrap(struct ctlpos *cp, HWND hwnd, char *text, int *lines)
389 HDC hdc = GetDC(hwnd);
390 int lpx = GetDeviceCaps(hdc, LOGPIXELSX);
391 int width, nlines, j;
397 ret = smalloc(1+strlen(text));
400 pwidths = smalloc(sizeof(INT)*(1+strlen(text)));
403 * Work out the width the text will need to fit in, by doing
404 * the same adjustment that the `statictext' function itself
407 * We must first convert from dialog-box units into pixels, and
408 * then from pixels into the `logical units' that Windows uses
409 * within GDI. You can't make this stuff up.
411 r.left = r.top = r.bottom = 0;
413 MapDialogRect(hwnd, &r);
414 width = MulDiv(r.right, lpx, 72);
419 if (!GetTextExtentExPoint(hdc, p, strlen(p), width,
420 &nfit, pwidths, &size) ||
421 (size_t)nfit >= strlen(p)) {
423 * Either GetTextExtentExPoint returned failure, or the
424 * whole of the rest of the text fits on this line.
425 * Either way, we stop wrapping, copy the remainder of
426 * the input string unchanged to the output, and leave.
433 * Now we search backwards along the string from `nfit',
434 * looking for a space at which to break the line. If we
435 * don't find one at all, that's fine - we'll just break
436 * the line at `nfit'.
438 for (j = nfit; j > 0; j--) {
439 if (isspace((unsigned char)p[j])) {
450 while (*p && isspace((unsigned char)*p))
456 ReleaseDC(cp->hwnd, hdc);
458 if (lines) *lines = nlines;
464 * A single standalone static text control.
466 void statictext(struct ctlpos *cp, char *text, int lines, int id)
473 r.bottom = STATICHEIGHT * lines;
474 cp->ypos += r.bottom + GAPBETWEEN;
475 doctl(cp, r, "STATIC",
476 WS_CHILD | WS_VISIBLE | SS_LEFTNOWORDWRAP,
481 * An owner-drawn static text control for a panel title.
483 void paneltitle(struct ctlpos *cp, int id)
490 r.bottom = TITLEHEIGHT;
491 cp->ypos += r.bottom + GAPBETWEEN;
492 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_OWNERDRAW,
497 * A button on the right hand side, with a static to its left.
499 void staticbtn(struct ctlpos *cp, char *stext, int sid,
500 char *btext, int bid)
502 const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
503 PUSHBTNHEIGHT : STATICHEIGHT);
505 int lwid, rwid, rpos;
507 rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
508 lwid = rpos - 2 * GAPBETWEEN;
509 rwid = cp->width + GAPBETWEEN - rpos;
512 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
514 r.bottom = STATICHEIGHT;
515 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
518 r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
520 r.bottom = PUSHBTNHEIGHT;
521 doctl(cp, r, "BUTTON",
522 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
525 cp->ypos += height + GAPBETWEEN;
529 * A simple push button.
531 void button(struct ctlpos *cp, char *btext, int bid, int defbtn)
538 r.bottom = PUSHBTNHEIGHT;
540 /* Q67655: the _dialog box_ must know which button is default
541 * as well as the button itself knowing */
542 if (defbtn && cp->hwnd)
543 SendMessage(cp->hwnd, DM_SETDEFID, bid, 0);
545 doctl(cp, r, "BUTTON",
546 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP |
547 (defbtn ? BS_DEFPUSHBUTTON : 0) | BS_PUSHBUTTON,
550 cp->ypos += PUSHBTNHEIGHT + GAPBETWEEN;
554 * Like staticbtn, but two buttons.
556 void static2btn(struct ctlpos *cp, char *stext, int sid,
557 char *btext1, int bid1, char *btext2, int bid2)
559 const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
560 PUSHBTNHEIGHT : STATICHEIGHT);
562 int lwid, rwid1, rwid2, rpos1, rpos2;
564 rpos1 = GAPBETWEEN + (cp->width + GAPBETWEEN) / 2;
565 rpos2 = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
566 lwid = rpos1 - 2 * GAPBETWEEN;
567 rwid1 = rpos2 - rpos1 - GAPBETWEEN;
568 rwid2 = cp->width + GAPBETWEEN - rpos2;
571 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
573 r.bottom = STATICHEIGHT;
574 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
577 r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
579 r.bottom = PUSHBTNHEIGHT;
580 doctl(cp, r, "BUTTON",
581 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
585 r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
587 r.bottom = PUSHBTNHEIGHT;
588 doctl(cp, r, "BUTTON",
589 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
592 cp->ypos += height + GAPBETWEEN;
596 * An edit control on the right hand side, with a static to its left.
598 static void staticedit_internal(struct ctlpos *cp, char *stext,
599 int sid, int eid, int percentedit,
602 const int height = (EDITHEIGHT > STATICHEIGHT ?
603 EDITHEIGHT : STATICHEIGHT);
605 int lwid, rwid, rpos;
608 GAPBETWEEN + (100 - percentedit) * (cp->width + GAPBETWEEN) / 100;
609 lwid = rpos - 2 * GAPBETWEEN;
610 rwid = cp->width + GAPBETWEEN - rpos;
613 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
615 r.bottom = STATICHEIGHT;
616 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
619 r.top = cp->ypos + (height - EDITHEIGHT) / 2;
621 r.bottom = EDITHEIGHT;
623 WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | style,
624 WS_EX_CLIENTEDGE, "", eid);
626 cp->ypos += height + GAPBETWEEN;
629 void staticedit(struct ctlpos *cp, char *stext,
630 int sid, int eid, int percentedit)
632 staticedit_internal(cp, stext, sid, eid, percentedit, 0);
635 void staticpassedit(struct ctlpos *cp, char *stext,
636 int sid, int eid, int percentedit)
638 staticedit_internal(cp, stext, sid, eid, percentedit, ES_PASSWORD);
642 * A drop-down list box on the right hand side, with a static to
645 void staticddl(struct ctlpos *cp, char *stext,
646 int sid, int lid, int percentlist)
648 const int height = (COMBOHEIGHT > STATICHEIGHT ?
649 COMBOHEIGHT : STATICHEIGHT);
651 int lwid, rwid, rpos;
654 GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100;
655 lwid = rpos - 2 * GAPBETWEEN;
656 rwid = cp->width + GAPBETWEEN - rpos;
659 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
661 r.bottom = STATICHEIGHT;
662 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
665 r.top = cp->ypos + (height - EDITHEIGHT) / 2;
667 r.bottom = COMBOHEIGHT*4;
668 doctl(cp, r, "COMBOBOX",
669 WS_CHILD | WS_VISIBLE | WS_TABSTOP |
670 CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
672 cp->ypos += height + GAPBETWEEN;
676 * A combo box on the right hand side, with a static to its left.
678 void staticcombo(struct ctlpos *cp, char *stext,
679 int sid, int lid, int percentlist)
681 const int height = (COMBOHEIGHT > STATICHEIGHT ?
682 COMBOHEIGHT : STATICHEIGHT);
684 int lwid, rwid, rpos;
687 GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100;
688 lwid = rpos - 2 * GAPBETWEEN;
689 rwid = cp->width + GAPBETWEEN - rpos;
692 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
694 r.bottom = STATICHEIGHT;
695 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
698 r.top = cp->ypos + (height - EDITHEIGHT) / 2;
700 r.bottom = COMBOHEIGHT*10;
701 doctl(cp, r, "COMBOBOX",
702 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
703 CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
705 cp->ypos += height + GAPBETWEEN;
709 * A static, with a full-width drop-down list box below it.
711 void staticddlbig(struct ctlpos *cp, char *stext,
719 r.bottom = STATICHEIGHT;
720 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
721 cp->ypos += STATICHEIGHT;
726 r.bottom = COMBOHEIGHT*4;
727 doctl(cp, r, "COMBOBOX",
728 WS_CHILD | WS_VISIBLE | WS_TABSTOP |
729 CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
730 cp->ypos += COMBOHEIGHT + GAPBETWEEN;
734 * A big multiline edit control with a static labelling it.
736 void bigeditctrl(struct ctlpos *cp, char *stext,
737 int sid, int eid, int lines)
744 r.bottom = STATICHEIGHT;
745 cp->ypos += r.bottom + GAPWITHIN;
746 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
751 r.bottom = EDITHEIGHT + (lines - 1) * STATICHEIGHT;
752 cp->ypos += r.bottom + GAPBETWEEN;
754 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | ES_MULTILINE,
755 WS_EX_CLIENTEDGE, "", eid);
759 * A list box with a static labelling it.
761 void listbox(struct ctlpos *cp, char *stext,
762 int sid, int lid, int lines, int multi)
770 r.bottom = STATICHEIGHT;
771 cp->ypos += r.bottom + GAPWITHIN;
772 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
778 r.bottom = LISTHEIGHT + (lines - 1) * LISTINCREMENT;
779 cp->ypos += r.bottom + GAPBETWEEN;
780 doctl(cp, r, "LISTBOX",
781 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
782 LBS_NOTIFY | LBS_HASSTRINGS | LBS_USETABSTOPS |
783 (multi ? LBS_MULTIPLESEL : 0),
784 WS_EX_CLIENTEDGE, "", lid);
788 * A tab-control substitute when a real tab control is unavailable.
790 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id)
792 const int height = (COMBOHEIGHT > STATICHEIGHT ?
793 COMBOHEIGHT : STATICHEIGHT);
795 int bigwid, lwid, rwid, rpos;
796 static const int BIGGAP = 15;
797 static const int MEDGAP = 3;
799 bigwid = cp->width + 2 * GAPBETWEEN - 2 * BIGGAP;
801 rpos = BIGGAP + (bigwid + BIGGAP) / 2;
802 lwid = rpos - 2 * BIGGAP;
803 rwid = bigwid + BIGGAP - rpos;
806 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
808 r.bottom = STATICHEIGHT;
809 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
812 r.top = cp->ypos + (height - COMBOHEIGHT) / 2;
814 r.bottom = COMBOHEIGHT * 10;
815 doctl(cp, r, "COMBOBOX",
816 WS_CHILD | WS_VISIBLE | WS_TABSTOP |
817 CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
819 cp->ypos += height + MEDGAP + GAPBETWEEN;
825 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_ETCHEDHORZ,
830 * A static line, followed by an edit control on the left hand side
831 * and a button on the right.
833 void editbutton(struct ctlpos *cp, char *stext, int sid,
834 int eid, char *btext, int bid)
836 const int height = (EDITHEIGHT > PUSHBTNHEIGHT ?
837 EDITHEIGHT : PUSHBTNHEIGHT);
839 int lwid, rwid, rpos;
844 r.bottom = STATICHEIGHT;
845 cp->ypos += r.bottom + GAPWITHIN;
846 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
848 rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
849 lwid = rpos - 2 * GAPBETWEEN;
850 rwid = cp->width + GAPBETWEEN - rpos;
853 r.top = cp->ypos + (height - EDITHEIGHT) / 2;
855 r.bottom = EDITHEIGHT;
857 WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
858 WS_EX_CLIENTEDGE, "", eid);
861 r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
863 r.bottom = PUSHBTNHEIGHT;
864 doctl(cp, r, "BUTTON",
865 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
868 cp->ypos += height + GAPBETWEEN;
872 * A special control for manipulating an ordered preference list
873 * (eg. for cipher selection).
874 * XXX: this is a rough hack and could be improved.
876 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
877 char *stext, int sid, int listid, int upbid, int dnbid)
879 const static int percents[] = { 5, 75, 20 };
881 int xpos, percent = 0, i;
882 int listheight = LISTHEIGHT + (lines - 1) * LISTINCREMENT;
883 const int BTNSHEIGHT = 2*PUSHBTNHEIGHT + GAPBETWEEN;
884 int totalheight, buttonpos;
886 /* Squirrel away IDs. */
887 hdl->listid = listid;
891 /* The static label. */
896 r.bottom = STATICHEIGHT;
897 cp->ypos += r.bottom + GAPWITHIN;
898 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
901 if (listheight > BTNSHEIGHT) {
902 totalheight = listheight;
903 buttonpos = (listheight - BTNSHEIGHT) / 2;
905 totalheight = BTNSHEIGHT;
909 for (i=0; i<3; i++) {
911 xpos = (cp->width + GAPBETWEEN) * percent / 100;
912 left = xpos + GAPBETWEEN;
913 percent += percents[i];
914 xpos = (cp->width + GAPBETWEEN) * percent / 100;
919 /* The drag list box. */
920 r.left = left; r.right = wid;
921 r.top = cp->ypos; r.bottom = listheight;
924 ctl = doctl(cp, r, "LISTBOX",
925 WS_CHILD | WS_VISIBLE | WS_TABSTOP |
926 WS_VSCROLL | LBS_HASSTRINGS | LBS_USETABSTOPS,
934 /* The "Up" and "Down" buttons. */
935 /* XXX worry about accelerators if we have more than one
936 * prefslist on a panel */
937 r.left = left; r.right = wid;
938 r.top = cp->ypos + buttonpos; r.bottom = PUSHBTNHEIGHT;
939 doctl(cp, r, "BUTTON",
940 BS_NOTIFY | WS_CHILD | WS_VISIBLE |
941 WS_TABSTOP | BS_PUSHBUTTON,
944 r.left = left; r.right = wid;
945 r.top = cp->ypos + buttonpos + PUSHBTNHEIGHT + GAPBETWEEN;
946 r.bottom = PUSHBTNHEIGHT;
947 doctl(cp, r, "BUTTON",
948 BS_NOTIFY | WS_CHILD | WS_VISIBLE |
949 WS_TABSTOP | BS_PUSHBUTTON,
957 cp->ypos += totalheight + GAPBETWEEN;
962 * Helper function for prefslist: move item in list box.
964 static void pl_moveitem(HWND hwnd, int listid, int src, int dst)
968 /* Get the item's data. */
969 tlen = SendDlgItemMessage (hwnd, listid, LB_GETTEXTLEN, src, 0);
970 txt = smalloc(tlen+1);
971 SendDlgItemMessage (hwnd, listid, LB_GETTEXT, src, (LPARAM) txt);
972 val = SendDlgItemMessage (hwnd, listid, LB_GETITEMDATA, src, 0);
973 /* Deselect old location. */
974 SendDlgItemMessage (hwnd, listid, LB_SETSEL, FALSE, src);
975 /* Delete it at the old location. */
976 SendDlgItemMessage (hwnd, listid, LB_DELETESTRING, src, 0);
977 /* Insert it at new location. */
978 SendDlgItemMessage (hwnd, listid, LB_INSERTSTRING, dst,
980 SendDlgItemMessage (hwnd, listid, LB_SETITEMDATA, dst,
983 SendDlgItemMessage (hwnd, listid, LB_SETCURSEL, dst, 0);
987 int pl_itemfrompt(HWND hwnd, POINT cursor, BOOL scroll)
990 POINT uppoint, downpoint;
991 int updist, downdist, upitem, downitem, i;
994 * Ghastly hackery to try to figure out not which
995 * _item_, but which _gap between items_, the user
996 * is pointing at. We do this by first working out
997 * which list item is under the cursor, and then
998 * working out how far the cursor would have to
999 * move up or down before the answer was different.
1000 * Then we put the insertion point _above_ the
1001 * current item if the upper edge is closer than
1002 * the lower edge, or _below_ it if vice versa.
1004 ret = LBItemFromPt(hwnd, cursor, scroll);
1007 ret = LBItemFromPt(hwnd, cursor, FALSE);
1008 updist = downdist = 0;
1009 for (i = 1; i < 4096 && (!updist || !downdist); i++) {
1010 uppoint = downpoint = cursor;
1013 upitem = LBItemFromPt(hwnd, uppoint, FALSE);
1014 downitem = LBItemFromPt(hwnd, downpoint, FALSE);
1015 if (!updist && upitem != ret)
1017 if (!downdist && downitem != ret)
1020 if (downdist < updist)
1026 * Handler for prefslist above.
1028 * Return value has bit 0 set if the dialog box procedure needs to
1029 * return TRUE from handling this message; it has bit 1 set if a
1030 * change may have been made in the contents of the list.
1032 int handle_prefslist(struct prefslist *hdl,
1033 int *array, int maxmemb,
1034 int is_dlmsg, HWND hwnd,
1035 WPARAM wParam, LPARAM lParam)
1042 if ((int)wParam == hdl->listid) {
1043 DRAGLISTINFO *dlm = (DRAGLISTINFO *)lParam;
1044 int dest = 0; /* initialise to placate gcc */
1045 switch (dlm->uNotification) {
1048 SendDlgItemMessage(hwnd, hdl->listid,
1049 LB_ADDSTRING, 0, (LPARAM) "");
1051 hdl->srcitem = LBItemFromPt(dlm->hWnd, dlm->ptCursor, TRUE);
1053 /* XXX hack Q183115 */
1054 SetWindowLong(hwnd, DWL_MSGRESULT, TRUE);
1057 DrawInsert(hwnd, dlm->hWnd, -1); /* Clear arrow */
1058 SendDlgItemMessage(hwnd, hdl->listid,
1059 LB_DELETESTRING, hdl->dummyitem, 0);
1064 dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE);
1065 if (dest > hdl->dummyitem) dest = hdl->dummyitem;
1066 DrawInsert (hwnd, dlm->hWnd, dest);
1068 SetWindowLong(hwnd, DWL_MSGRESULT, DL_MOVECURSOR);
1070 SetWindowLong(hwnd, DWL_MSGRESULT, DL_STOPCURSOR);
1073 if (hdl->dragging) {
1074 dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE);
1075 if (dest > hdl->dummyitem) dest = hdl->dummyitem;
1076 DrawInsert (hwnd, dlm->hWnd, -1);
1078 SendDlgItemMessage(hwnd, hdl->listid,
1079 LB_DELETESTRING, hdl->dummyitem, 0);
1080 if (hdl->dragging) {
1083 /* Correct for "missing" item. */
1084 if (dest > hdl->srcitem) dest--;
1085 pl_moveitem(hwnd, hdl->listid, hdl->srcitem, dest);
1095 if (((LOWORD(wParam) == hdl->upbid) ||
1096 (LOWORD(wParam) == hdl->dnbid)) &&
1097 ((HIWORD(wParam) == BN_CLICKED) ||
1098 (HIWORD(wParam) == BN_DOUBLECLICKED))) {
1099 /* Move an item up or down the list. */
1100 /* Get the current selection, if any. */
1101 int selection = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCURSEL, 0, 0);
1102 if (selection == LB_ERR) {
1106 /* Get the total number of items. */
1107 nitems = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCOUNT, 0, 0);
1108 /* Should we do anything? */
1109 if (LOWORD(wParam) == hdl->upbid && (selection > 0))
1110 pl_moveitem(hwnd, hdl->listid, selection, selection - 1);
1111 else if (LOWORD(wParam) == hdl->dnbid && (selection < nitems - 1))
1112 pl_moveitem(hwnd, hdl->listid, selection, selection + 1);
1121 /* Update array to match the list box. */
1122 for (i=0; i < maxmemb; i++)
1123 array[i] = SendDlgItemMessage (hwnd, hdl->listid, LB_GETITEMDATA,
1131 * A progress bar (from Common Controls). We like our progress bars
1132 * to be smooth and unbroken, without those ugly divisions; some
1133 * older compilers may not support that, but that's life.
1135 void progressbar(struct ctlpos *cp, int id)
1139 r.left = GAPBETWEEN;
1141 r.right = cp->width;
1142 r.bottom = PROGBARHEIGHT;
1143 cp->ypos += r.bottom + GAPBETWEEN;
1145 doctl(cp, r, PROGRESS_CLASS, WS_CHILD | WS_VISIBLE
1149 , WS_EX_CLIENTEDGE, "", id);
1152 /* ----------------------------------------------------------------------
1153 * Platform-specific side of portable dialog-box mechanism.
1157 * This function takes a string, escapes all the ampersands, and
1158 * places a single (unescaped) ampersand in front of the first
1159 * occurrence of the given shortcut character (which may be
1162 * Return value is a malloc'ed copy of the processed version of the
1165 static char *shortcut_escape(char *text, char shortcut)
1171 return NULL; /* sfree won't choke on this */
1173 ret = smalloc(2*strlen(text)+1); /* size potentially doubles! */
1174 shortcut = tolower((unsigned char)shortcut);
1179 if (shortcut != NO_SHORTCUT &&
1180 tolower((unsigned char)*p) == shortcut) {
1182 shortcut = NO_SHORTCUT; /* stop it happening twice */
1183 } else if (*p == '&') {
1192 void winctrl_add_shortcuts(struct dlgparam *dp, struct winctrl *c)
1195 for (i = 0; i < lenof(c->shortcuts); i++)
1196 if (c->shortcuts[i] != NO_SHORTCUT) {
1197 unsigned char s = tolower((unsigned char)c->shortcuts[i]);
1198 assert(!dp->shortcuts[s]);
1199 dp->shortcuts[s] = TRUE;
1203 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c)
1206 for (i = 0; i < lenof(c->shortcuts); i++)
1207 if (c->shortcuts[i] != NO_SHORTCUT) {
1208 unsigned char s = tolower((unsigned char)c->shortcuts[i]);
1209 assert(dp->shortcuts[s]);
1210 dp->shortcuts[s] = FALSE;
1214 static int winctrl_cmp_byctrl(void *av, void *bv)
1216 struct winctrl *a = (struct winctrl *)av;
1217 struct winctrl *b = (struct winctrl *)bv;
1218 if (a->ctrl < b->ctrl)
1220 else if (a->ctrl > b->ctrl)
1225 static int winctrl_cmp_byid(void *av, void *bv)
1227 struct winctrl *a = (struct winctrl *)av;
1228 struct winctrl *b = (struct winctrl *)bv;
1229 if (a->base_id < b->base_id)
1231 else if (a->base_id > b->base_id)
1236 static int winctrl_cmp_byctrl_find(void *av, void *bv)
1238 union control *a = (union control *)av;
1239 struct winctrl *b = (struct winctrl *)bv;
1242 else if (a > b->ctrl)
1247 static int winctrl_cmp_byid_find(void *av, void *bv)
1250 struct winctrl *b = (struct winctrl *)bv;
1251 if (*a < b->base_id)
1253 else if (*a >= b->base_id + b->num_ids)
1259 void winctrl_init(struct winctrls *wc)
1261 wc->byctrl = newtree234(winctrl_cmp_byctrl);
1262 wc->byid = newtree234(winctrl_cmp_byid);
1264 void winctrl_cleanup(struct winctrls *wc)
1268 while ((c = index234(wc->byid, 0)) != NULL) {
1269 winctrl_remove(wc, c);
1274 freetree234(wc->byctrl);
1275 freetree234(wc->byid);
1276 wc->byctrl = wc->byid = NULL;
1279 void winctrl_add(struct winctrls *wc, struct winctrl *c)
1281 struct winctrl *ret;
1283 ret = add234(wc->byctrl, c);
1286 ret = add234(wc->byid, c);
1290 void winctrl_remove(struct winctrls *wc, struct winctrl *c)
1292 struct winctrl *ret;
1293 ret = del234(wc->byctrl, c);
1294 ret = del234(wc->byid, c);
1298 struct winctrl *winctrl_findbyctrl(struct winctrls *wc, union control *ctrl)
1300 return find234(wc->byctrl, ctrl, winctrl_cmp_byctrl_find);
1303 struct winctrl *winctrl_findbyid(struct winctrls *wc, int id)
1305 return find234(wc->byid, &id, winctrl_cmp_byid_find);
1308 struct winctrl *winctrl_findbyindex(struct winctrls *wc, int index)
1310 return index234(wc->byid, index);
1313 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
1314 struct ctlpos *cp, struct controlset *s, int *id)
1316 struct ctlpos columns[16];
1317 int ncols, colstart, colspan;
1319 struct ctlpos tabdelays[16];
1320 union control *tabdelayed[16];
1325 char shortcuts[MAX_SHORTCUTS_PER_CTRL];
1328 int i, base_id, num_ids;
1333 /* Start a containing box, if we have a boxname. */
1334 if (s->boxname && *s->boxname) {
1335 struct winctrl *c = smalloc(sizeof(struct winctrl));
1337 c->base_id = base_id;
1340 memset(c->shortcuts, NO_SHORTCUT, lenof(c->shortcuts));
1342 beginbox(cp, s->boxtitle, base_id);
1346 /* Draw a title, if we have one. */
1347 if (!s->boxname && s->boxtitle) {
1348 struct winctrl *c = smalloc(sizeof(struct winctrl));
1350 c->base_id = base_id;
1352 c->data = dupstr(s->boxtitle);
1353 memset(c->shortcuts, NO_SHORTCUT, lenof(c->shortcuts));
1355 paneltitle(cp, base_id);
1359 /* Initially we have just one column. */
1361 columns[0] = *cp; /* structure copy */
1363 /* And initially, there are no pending tab-delayed controls. */
1366 /* Loop over each control in the controlset. */
1367 for (i = 0; i < s->ncontrols; i++) {
1368 union control *ctrl = s->ctrls[i];
1371 * Generic processing that pertains to all control types.
1372 * At the end of this if statement, we'll have produced
1373 * `ctrl' (a pointer to the control we have to create, or
1374 * think about creating, in this iteration of the loop),
1375 * `pos' (a suitable ctlpos with which to position it), and
1376 * `c' (a winctrl structure to receive details of the
1377 * dialog IDs). Or we'll have done a `continue', if it was
1378 * CTRL_COLUMNS and doesn't require any control creation at
1381 if (ctrl->generic.type == CTRL_COLUMNS) {
1382 assert((ctrl->columns.ncols == 1) ^ (ncols == 1));
1386 * We're splitting into multiple columns.
1388 int lpercent, rpercent, lx, rx, i;
1390 ncols = ctrl->columns.ncols;
1391 assert(ncols <= lenof(columns));
1392 for (i = 1; i < ncols; i++)
1393 columns[i] = columns[0]; /* structure copy */
1396 for (i = 0; i < ncols; i++) {
1397 rpercent = lpercent + ctrl->columns.percentages[i];
1398 lx = columns[i].xoff + lpercent *
1399 (columns[i].width + GAPBETWEEN) / 100;
1400 rx = columns[i].xoff + rpercent *
1401 (columns[i].width + GAPBETWEEN) / 100;
1402 columns[i].xoff = lx;
1403 columns[i].width = rx - lx - GAPBETWEEN;
1404 lpercent = rpercent;
1408 * We're recombining the various columns into one.
1410 int maxy = columns[0].ypos;
1412 for (i = 1; i < ncols; i++)
1413 if (maxy < columns[i].ypos)
1414 maxy = columns[i].ypos;
1416 columns[0] = *cp; /* structure copy */
1417 columns[0].ypos = maxy;
1421 } else if (ctrl->generic.type == CTRL_TABDELAY) {
1424 assert(!ctrl->generic.tabdelay);
1425 ctrl = ctrl->tabdelay.ctrl;
1427 for (i = 0; i < ntabdelays; i++)
1428 if (tabdelayed[i] == ctrl)
1430 assert(i < ntabdelays); /* we have to have found it */
1432 pos = tabdelays[i]; /* structure copy */
1434 colstart = colspan = -1; /* indicate this was tab-delayed */
1438 * If it wasn't one of those, it's a genuine control;
1439 * so we'll have to compute a position for it now, by
1440 * checking its column span.
1444 colstart = COLUMN_START(ctrl->generic.column);
1445 colspan = COLUMN_SPAN(ctrl->generic.column);
1447 pos = columns[colstart]; /* structure copy */
1448 pos.width = columns[colstart+colspan-1].width +
1449 (columns[colstart+colspan-1].xoff - columns[colstart].xoff);
1451 for (col = colstart; col < colstart+colspan; col++)
1452 if (pos.ypos < columns[col].ypos)
1453 pos.ypos = columns[col].ypos;
1456 * If this control is to be tabdelayed, add it to the
1457 * tabdelay list, and unset pos.hwnd to inhibit actual
1460 if (ctrl->generic.tabdelay) {
1461 assert(ntabdelays < lenof(tabdelays));
1462 tabdelays[ntabdelays] = pos; /* structure copy */
1463 tabdelayed[ntabdelays] = ctrl;
1469 /* Most controls don't need anything in c->data. */
1472 /* And they all start off with no shortcuts registered. */
1473 memset(shortcuts, NO_SHORTCUT, lenof(shortcuts));
1477 * Now we're ready to actually create the control, by
1478 * switching on its type.
1480 switch (ctrl->generic.type) {
1483 char *wrapped, *escaped;
1486 wrapped = staticwrap(&pos, cp->hwnd,
1487 ctrl->generic.label, &lines);
1488 escaped = shortcut_escape(wrapped, NO_SHORTCUT);
1489 statictext(&pos, escaped, lines, base_id);
1495 num_ids = 2; /* static, edit */
1496 escaped = shortcut_escape(ctrl->editbox.label,
1497 ctrl->editbox.shortcut);
1498 shortcuts[nshortcuts++] = ctrl->editbox.shortcut;
1499 if (ctrl->editbox.percentwidth == 100) {
1500 if (ctrl->editbox.has_list)
1501 combobox(&pos, escaped,
1502 base_id, base_id+1);
1504 multiedit(&pos, ctrl->editbox.password, escaped,
1505 base_id, base_id+1, 100, NULL);
1507 if (ctrl->editbox.has_list) {
1508 staticcombo(&pos, escaped, base_id, base_id+1,
1509 ctrl->editbox.percentwidth);
1511 (ctrl->editbox.password ? staticpassedit : staticedit)
1512 (&pos, escaped, base_id, base_id+1,
1513 ctrl->editbox.percentwidth);
1519 num_ids = ctrl->radio.nbuttons + 1; /* label as well */
1521 struct radio *buttons;
1524 escaped = shortcut_escape(ctrl->radio.label,
1525 ctrl->radio.shortcut);
1526 shortcuts[nshortcuts++] = ctrl->radio.shortcut;
1528 buttons = smalloc(ctrl->radio.nbuttons * sizeof(struct radio));
1530 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1532 shortcut_escape(ctrl->radio.buttons[i],
1533 (char)(ctrl->radio.shortcuts ?
1534 ctrl->radio.shortcuts[i] :
1536 buttons[i].id = base_id + 1 + i;
1537 if (ctrl->radio.shortcuts) {
1538 assert(nshortcuts < MAX_SHORTCUTS_PER_CTRL);
1539 shortcuts[nshortcuts++] = ctrl->radio.shortcuts[i];
1543 radioline_common(&pos, escaped, base_id,
1544 ctrl->radio.ncolumns,
1545 buttons, ctrl->radio.nbuttons);
1547 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1548 sfree(buttons[i].text);
1556 escaped = shortcut_escape(ctrl->checkbox.label,
1557 ctrl->checkbox.shortcut);
1558 shortcuts[nshortcuts++] = ctrl->checkbox.shortcut;
1559 checkbox(&pos, escaped, base_id);
1563 escaped = shortcut_escape(ctrl->button.label,
1564 ctrl->button.shortcut);
1565 shortcuts[nshortcuts++] = ctrl->button.shortcut;
1567 button(&pos, escaped, base_id, ctrl->button.isdefault);
1572 escaped = shortcut_escape(ctrl->listbox.label,
1573 ctrl->listbox.shortcut);
1574 shortcuts[nshortcuts++] = ctrl->listbox.shortcut;
1575 if (ctrl->listbox.draglist) {
1576 data = smalloc(sizeof(struct prefslist));
1578 prefslist(data, &pos, ctrl->listbox.height, escaped,
1579 base_id, base_id+1, base_id+2, base_id+3);
1580 shortcuts[nshortcuts++] = 'u'; /* Up */
1581 shortcuts[nshortcuts++] = 'd'; /* Down */
1582 } else if (ctrl->listbox.height == 0) {
1583 /* Drop-down list. */
1584 if (ctrl->listbox.percentwidth == 100) {
1585 staticddlbig(&pos, escaped,
1586 base_id, base_id+1);
1588 staticddl(&pos, escaped, base_id,
1589 base_id+1, ctrl->listbox.percentwidth);
1592 /* Ordinary list. */
1593 listbox(&pos, escaped, base_id, base_id+1,
1594 ctrl->listbox.height, ctrl->listbox.multisel);
1596 if (ctrl->listbox.ncols) {
1598 * This method of getting the box width is a bit of
1599 * a hack; we'd do better to try to retrieve the
1600 * actual width in dialog units from doctl() just
1601 * before MapDialogRect. But that's going to be no
1602 * fun, and this should be good enough accuracy.
1604 int width = cp->width * ctrl->listbox.percentwidth;
1608 tabarray = smalloc((ctrl->listbox.ncols-1) * sizeof(int));
1610 for (i = 0; i < ctrl->listbox.ncols-1; i++) {
1611 percent += ctrl->listbox.percentages[i];
1612 tabarray[i] = width * percent / 10000;
1614 SendDlgItemMessage(cp->hwnd, base_id+1, LB_SETTABSTOPS,
1615 ctrl->listbox.ncols-1, (LPARAM)tabarray);
1620 case CTRL_FILESELECT:
1622 escaped = shortcut_escape(ctrl->fileselect.label,
1623 ctrl->fileselect.shortcut);
1624 shortcuts[nshortcuts++] = ctrl->fileselect.shortcut;
1625 editbutton(&pos, escaped, base_id, base_id+1,
1626 "Bro&wse...", base_id+2);
1627 shortcuts[nshortcuts++] = 'w';
1630 case CTRL_FONTSELECT:
1632 escaped = shortcut_escape(ctrl->fontselect.label,
1633 ctrl->fontselect.shortcut);
1634 shortcuts[nshortcuts++] = ctrl->fontselect.shortcut;
1635 statictext(&pos, escaped, 1, base_id);
1636 staticbtn(&pos, "", base_id+1, "Change...", base_id+2);
1638 data = smalloc(sizeof(FontSpec));
1641 assert(!"Can't happen");
1642 num_ids = 0; /* placate gcc */
1647 * Create a `struct winctrl' for this control, and advance
1648 * the dialog ID counter, if it's actually been created
1649 * (and isn't tabdelayed).
1652 struct winctrl *c = smalloc(sizeof(struct winctrl));
1655 c->base_id = base_id;
1656 c->num_ids = num_ids;
1658 memcpy(c->shortcuts, shortcuts, sizeof(shortcuts));
1660 winctrl_add_shortcuts(dp, c);
1664 if (colstart >= 0) {
1666 * Update the ypos in all columns crossed by this
1670 for (i = colstart; i < colstart+colspan; i++)
1671 columns[i].ypos = pos.ypos;
1676 * We've now finished laying out the controls; so now update
1677 * the ctlpos and control ID that were passed in, terminate
1678 * any containing box, and return.
1680 for (i = 0; i < ncols; i++)
1681 if (cp->ypos < columns[i].ypos)
1682 cp->ypos = columns[i].ypos;
1685 if (s->boxname && *s->boxname)
1689 static void winctrl_set_focus(union control *ctrl, struct dlgparam *dp,
1694 dp->lastfocused = dp->focused;
1696 } else if (!has_focus && dp->focused == ctrl) {
1697 dp->lastfocused = dp->focused;
1702 union control *dlg_last_focused(void *dlg)
1704 struct dlgparam *dp = (struct dlgparam *)dlg;
1705 return dp->lastfocused;
1709 * The dialog-box procedure calls this function to handle Windows
1710 * messages on a control we manage.
1712 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
1713 WPARAM wParam, LPARAM lParam)
1716 union control *ctrl;
1718 static UINT draglistmsg = WM_NULL;
1721 * Filter out pointless window messages. Our interest is in
1722 * WM_COMMAND and the drag list message, and nothing else.
1724 if (draglistmsg == WM_NULL)
1725 draglistmsg = RegisterWindowMessage (DRAGLISTMSGSTRING);
1727 if (msg != draglistmsg && msg != WM_COMMAND && msg != WM_DRAWITEM)
1731 * Look up the control ID in our data.
1734 for (i = 0; i < dp->nctrltrees; i++) {
1735 c = winctrl_findbyid(dp->controltrees[i], LOWORD(wParam));
1740 return 0; /* we have nothing to do */
1742 if (msg == WM_DRAWITEM) {
1744 * Owner-draw request for a panel title.
1746 LPDRAWITEMSTRUCT di = (LPDRAWITEMSTRUCT) lParam;
1748 RECT r = di->rcItem;
1751 GetTextExtentPoint32(hdc, (char *)c->data,
1752 strlen((char *)c->data), &s);
1753 DrawEdge(hdc, &r, EDGE_ETCHED, BF_ADJUST | BF_RECT);
1755 r.left + (r.right-r.left-s.cx)/2,
1756 r.top + (r.bottom-r.top-s.cy)/2,
1757 (char *)c->data, strlen((char *)c->data));
1763 id = LOWORD(wParam) - c->base_id;
1765 if (!ctrl || !ctrl->generic.handler)
1766 return 0; /* nothing we can do here */
1769 * From here on we do not issue `return' statements until the
1770 * very end of the dialog box: any event handler is entitled to
1771 * ask for a colour selector, so we _must_ always allow control
1772 * to reach the end of this switch statement so that the
1773 * subsequent code can test dp->coloursel_wanted().
1776 dp->coloursel_wanted = FALSE;
1779 * Now switch on the control type and the message.
1781 switch (ctrl->generic.type) {
1783 if (msg == WM_COMMAND && !ctrl->editbox.has_list &&
1784 (HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS))
1785 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS);
1786 if (msg == WM_COMMAND && ctrl->editbox.has_list &&
1787 (HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS))
1788 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS);
1790 if (msg == WM_COMMAND && !ctrl->editbox.has_list &&
1791 HIWORD(wParam) == EN_CHANGE)
1792 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1793 if (msg == WM_COMMAND &&
1794 ctrl->editbox.has_list) {
1795 if (HIWORD(wParam) == CBN_SELCHANGE) {
1799 index = SendDlgItemMessage(dp->hwnd, c->base_id+1,
1800 CB_GETCURSEL, 0, 0);
1801 len = SendDlgItemMessage(dp->hwnd, c->base_id+1,
1802 CB_GETLBTEXTLEN, index, 0);
1803 text = smalloc(len+1);
1804 SendDlgItemMessage(dp->hwnd, c->base_id+1, CB_GETLBTEXT,
1805 index, (LPARAM)text);
1806 SetDlgItemText(dp->hwnd, c->base_id+1, text);
1808 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1809 } else if (HIWORD(wParam) == CBN_EDITCHANGE) {
1810 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1811 } else if (HIWORD(wParam) == CBN_KILLFOCUS) {
1812 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
1818 if (msg == WM_COMMAND &&
1819 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1820 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1822 * We sometimes get spurious BN_CLICKED messages for the
1823 * radio button that is just about to _lose_ selection, if
1824 * we're switching using the arrow keys. Therefore we
1825 * double-check that the button in wParam is actually
1826 * checked before generating an event.
1828 if (msg == WM_COMMAND &&
1829 (HIWORD(wParam) == BN_CLICKED ||
1830 HIWORD(wParam) == BN_DOUBLECLICKED) &&
1831 IsDlgButtonChecked(dp->hwnd, LOWORD(wParam))) {
1832 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1836 if (msg == WM_COMMAND &&
1837 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1838 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1839 if (msg == WM_COMMAND &&
1840 (HIWORD(wParam) == BN_CLICKED ||
1841 HIWORD(wParam) == BN_DOUBLECLICKED)) {
1842 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1846 if (msg == WM_COMMAND &&
1847 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1848 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1849 if (msg == WM_COMMAND &&
1850 (HIWORD(wParam) == BN_CLICKED ||
1851 HIWORD(wParam) == BN_DOUBLECLICKED)) {
1852 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION);
1856 if (msg == WM_COMMAND && ctrl->listbox.height != 0 &&
1857 (HIWORD(wParam)==LBN_SETFOCUS || HIWORD(wParam)==LBN_KILLFOCUS))
1858 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == LBN_SETFOCUS);
1859 if (msg == WM_COMMAND && ctrl->listbox.height == 0 &&
1860 (HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS))
1861 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS);
1862 if (msg == WM_COMMAND && id >= 2 &&
1863 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1864 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1865 if (ctrl->listbox.draglist) {
1867 pret = handle_prefslist(c->data, NULL, 0, (msg != WM_COMMAND),
1868 dp->hwnd, wParam, lParam);
1870 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1873 if (msg == WM_COMMAND && HIWORD(wParam) == LBN_DBLCLK) {
1874 SetCapture(dp->hwnd);
1875 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION);
1876 } else if (msg == WM_COMMAND && HIWORD(wParam) == LBN_SELCHANGE) {
1877 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_SELCHANGE);
1881 case CTRL_FILESELECT:
1882 if (msg == WM_COMMAND && id == 1 &&
1883 (HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS))
1884 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS);
1885 if (msg == WM_COMMAND && id == 2 &&
1886 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1887 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1889 (msg == WM_COMMAND &&
1890 (HIWORD(wParam) == BN_CLICKED ||
1891 HIWORD(wParam) == BN_DOUBLECLICKED))) {
1893 char filename[FILENAME_MAX];
1896 memset(&of, 0, sizeof(of));
1897 #ifdef OPENFILENAME_SIZE_VERSION_400
1898 of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
1900 of.lStructSize = sizeof(of);
1902 of.hwndOwner = dp->hwnd;
1903 if (ctrl->fileselect.filter)
1904 of.lpstrFilter = ctrl->fileselect.filter;
1906 of.lpstrFilter = "All Files (*.*)\0*\0\0\0";
1907 of.lpstrCustomFilter = NULL;
1908 of.nFilterIndex = 1;
1909 of.lpstrFile = filename;
1910 GetDlgItemText(dp->hwnd, c->base_id+1, filename, lenof(filename));
1911 filename[lenof(filename)-1] = '\0';
1912 of.nMaxFile = lenof(filename);
1913 of.lpstrFileTitle = NULL;
1914 of.lpstrInitialDir = NULL;
1915 of.lpstrTitle = ctrl->fileselect.title;
1917 if (ctrl->fileselect.for_writing)
1918 ret = GetSaveFileName(&of);
1920 ret = GetOpenFileName(&of);
1922 SetDlgItemText(dp->hwnd, c->base_id + 1, filename);
1923 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1927 case CTRL_FONTSELECT:
1928 if (msg == WM_COMMAND && id == 2 &&
1929 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1930 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1932 (msg == WM_COMMAND &&
1933 (HIWORD(wParam) == BN_CLICKED ||
1934 HIWORD(wParam) == BN_DOUBLECLICKED))) {
1938 FontSpec fs = *(FontSpec *)c->data;
1941 lf.lfHeight = -MulDiv(fs.height,
1942 GetDeviceCaps(hdc, LOGPIXELSY), 72);
1944 lf.lfWidth = lf.lfEscapement = lf.lfOrientation = 0;
1945 lf.lfItalic = lf.lfUnderline = lf.lfStrikeOut = 0;
1946 lf.lfWeight = (fs.isbold ? FW_BOLD : 0);
1947 lf.lfCharSet = fs.charset;
1948 lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
1949 lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
1950 lf.lfQuality = DEFAULT_QUALITY;
1951 lf.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;
1952 strncpy(lf.lfFaceName, fs.name,
1953 sizeof(lf.lfFaceName) - 1);
1954 lf.lfFaceName[sizeof(lf.lfFaceName) - 1] = '\0';
1956 cf.lStructSize = sizeof(cf);
1957 cf.hwndOwner = dp->hwnd;
1959 cf.Flags = CF_FIXEDPITCHONLY | CF_FORCEFONTEXIST |
1960 CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS;
1962 if (ChooseFont(&cf)) {
1963 strncpy(fs.name, lf.lfFaceName,
1964 sizeof(fs.name) - 1);
1965 fs.name[sizeof(fs.name) - 1] = '\0';
1966 fs.isbold = (lf.lfWeight == FW_BOLD);
1967 fs.charset = lf.lfCharSet;
1968 fs.height = cf.iPointSize / 10;
1969 dlg_fontsel_set(ctrl, dp, fs);
1970 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1977 * If the above event handler has asked for a colour selector,
1978 * now is the time to generate one.
1980 if (dp->coloursel_wanted) {
1981 static CHOOSECOLOR cc;
1982 static DWORD custom[16] = { 0 }; /* zero initialisers */
1983 cc.lStructSize = sizeof(cc);
1984 cc.hwndOwner = dp->hwnd;
1985 cc.hInstance = (HWND) hinst;
1986 cc.lpCustColors = custom;
1987 cc.rgbResult = RGB(dp->coloursel_result.r,
1988 dp->coloursel_result.g,
1989 dp->coloursel_result.b);
1990 cc.Flags = CC_FULLOPEN | CC_RGBINIT;
1991 if (ChooseColor(&cc)) {
1992 dp->coloursel_result.r =
1993 (unsigned char) (cc.rgbResult & 0xFF);
1994 dp->coloursel_result.g =
1995 (unsigned char) (cc.rgbResult >> 8) & 0xFF;
1996 dp->coloursel_result.b =
1997 (unsigned char) (cc.rgbResult >> 16) & 0xFF;
1998 dp->coloursel_result.ok = TRUE;
2000 dp->coloursel_result.ok = FALSE;
2001 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_CALLBACK);
2008 * This function can be called to produce context help on a
2009 * control. Returns TRUE if it has actually launched WinHelp.
2011 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id)
2018 * Look up the control ID in our data.
2021 for (i = 0; i < dp->nctrltrees; i++) {
2022 c = winctrl_findbyid(dp->controltrees[i], id);
2027 return 0; /* we have nothing to do */
2030 * This is the Windows front end, so we're allowed to assume
2031 * `helpctx.p' is a context string.
2033 if (!c->ctrl || !c->ctrl->generic.helpctx.p)
2034 return 0; /* no help available for this ctrl */
2036 cmd = dupprintf("JI(`',`%s')", c->ctrl->generic.helpctx.p);
2037 WinHelp(hwnd, help_path, HELP_COMMAND, (DWORD)cmd);
2043 * Now the various functions that the platform-independent
2044 * mechanism can call to access the dialog box entries.
2047 static struct winctrl *dlg_findbyctrl(struct dlgparam *dp, union control *ctrl)
2051 for (i = 0; i < dp->nctrltrees; i++) {
2052 struct winctrl *c = winctrl_findbyctrl(dp->controltrees[i], ctrl);
2059 void dlg_radiobutton_set(union control *ctrl, void *dlg, int whichbutton)
2061 struct dlgparam *dp = (struct dlgparam *)dlg;
2062 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2063 assert(c && c->ctrl->generic.type == CTRL_RADIO);
2064 CheckRadioButton(dp->hwnd,
2066 c->base_id + c->ctrl->radio.nbuttons,
2067 c->base_id + 1 + whichbutton);
2070 int dlg_radiobutton_get(union control *ctrl, void *dlg)
2072 struct dlgparam *dp = (struct dlgparam *)dlg;
2073 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2075 assert(c && c->ctrl->generic.type == CTRL_RADIO);
2076 for (i = 0; i < c->ctrl->radio.nbuttons; i++)
2077 if (IsDlgButtonChecked(dp->hwnd, c->base_id + 1 + i))
2079 assert(!"No radio button was checked?!");
2083 void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
2085 struct dlgparam *dp = (struct dlgparam *)dlg;
2086 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2087 assert(c && c->ctrl->generic.type == CTRL_CHECKBOX);
2088 CheckDlgButton(dp->hwnd, c->base_id, (checked != 0));
2091 int dlg_checkbox_get(union control *ctrl, void *dlg)
2093 struct dlgparam *dp = (struct dlgparam *)dlg;
2094 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2095 assert(c && c->ctrl->generic.type == CTRL_CHECKBOX);
2096 return 0 != IsDlgButtonChecked(dp->hwnd, c->base_id);
2099 void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
2101 struct dlgparam *dp = (struct dlgparam *)dlg;
2102 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2103 assert(c && c->ctrl->generic.type == CTRL_EDITBOX);
2104 SetDlgItemText(dp->hwnd, c->base_id+1, text);
2107 void dlg_editbox_get(union control *ctrl, void *dlg, char *buffer, int length)
2109 struct dlgparam *dp = (struct dlgparam *)dlg;
2110 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2111 assert(c && c->ctrl->generic.type == CTRL_EDITBOX);
2112 GetDlgItemText(dp->hwnd, c->base_id+1, buffer, length);
2113 buffer[length-1] = '\0';
2116 /* The `listbox' functions can also apply to combo boxes. */
2117 void dlg_listbox_clear(union control *ctrl, void *dlg)
2119 struct dlgparam *dp = (struct dlgparam *)dlg;
2120 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2123 (c->ctrl->generic.type == CTRL_LISTBOX ||
2124 (c->ctrl->generic.type == CTRL_EDITBOX &&
2125 c->ctrl->editbox.has_list)));
2126 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2127 LB_RESETCONTENT : CB_RESETCONTENT);
2128 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
2131 void dlg_listbox_del(union control *ctrl, void *dlg, int index)
2133 struct dlgparam *dp = (struct dlgparam *)dlg;
2134 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2137 (c->ctrl->generic.type == CTRL_LISTBOX ||
2138 (c->ctrl->generic.type == CTRL_EDITBOX &&
2139 c->ctrl->editbox.has_list)));
2140 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2141 LB_DELETESTRING : CB_DELETESTRING);
2142 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
2145 void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
2147 struct dlgparam *dp = (struct dlgparam *)dlg;
2148 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2151 (c->ctrl->generic.type == CTRL_LISTBOX ||
2152 (c->ctrl->generic.type == CTRL_EDITBOX &&
2153 c->ctrl->editbox.has_list)));
2154 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2155 LB_ADDSTRING : CB_ADDSTRING);
2156 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text);
2160 * Each listbox entry may have a numeric id associated with it.
2161 * Note that some front ends only permit a string to be stored at
2162 * each position, which means that _if_ you put two identical
2163 * strings in any listbox then you MUST not assign them different
2164 * IDs and expect to get meaningful results back.
2166 void dlg_listbox_addwithindex(union control *ctrl, void *dlg,
2167 char const *text, int id)
2169 struct dlgparam *dp = (struct dlgparam *)dlg;
2170 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2171 int msg, msg2, index;
2173 (c->ctrl->generic.type == CTRL_LISTBOX ||
2174 (c->ctrl->generic.type == CTRL_EDITBOX &&
2175 c->ctrl->editbox.has_list)));
2176 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2177 LB_ADDSTRING : CB_ADDSTRING);
2178 msg2 = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2179 LB_SETITEMDATA : CB_SETITEMDATA);
2180 index = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text);
2181 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg2, index, (LPARAM)id);
2184 int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
2186 struct dlgparam *dp = (struct dlgparam *)dlg;
2187 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2189 assert(c && c->ctrl->generic.type == CTRL_LISTBOX);
2190 msg = (c->ctrl->listbox.height != 0 ? LB_GETITEMDATA : CB_GETITEMDATA);
2192 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
2195 /* dlg_listbox_index returns <0 if no single element is selected. */
2196 int dlg_listbox_index(union control *ctrl, void *dlg)
2198 struct dlgparam *dp = (struct dlgparam *)dlg;
2199 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2201 assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
2202 !c->ctrl->listbox.multisel);
2203 msg = (c->ctrl->listbox.height != 0 ? LB_GETCURSEL : CB_GETCURSEL);
2204 ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
2211 int dlg_listbox_issel(union control *ctrl, void *dlg, int index)
2213 struct dlgparam *dp = (struct dlgparam *)dlg;
2214 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2215 assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
2216 c->ctrl->listbox.multisel &&
2217 c->ctrl->listbox.height != 0);
2219 SendDlgItemMessage(dp->hwnd, c->base_id+1, LB_GETSEL, index, 0);
2222 void dlg_listbox_select(union control *ctrl, void *dlg, int index)
2224 struct dlgparam *dp = (struct dlgparam *)dlg;
2225 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2227 assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
2228 !c->ctrl->listbox.multisel);
2229 msg = (c->ctrl->listbox.height != 0 ? LB_SETCURSEL : CB_SETCURSEL);
2230 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
2233 void dlg_text_set(union control *ctrl, void *dlg, char const *text)
2235 struct dlgparam *dp = (struct dlgparam *)dlg;
2236 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2237 assert(c && c->ctrl->generic.type == CTRL_TEXT);
2238 SetDlgItemText(dp->hwnd, c->base_id, text);
2241 void dlg_filesel_set(union control *ctrl, void *dlg, Filename fn)
2243 struct dlgparam *dp = (struct dlgparam *)dlg;
2244 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2245 assert(c && c->ctrl->generic.type == CTRL_FILESELECT);
2246 SetDlgItemText(dp->hwnd, c->base_id+1, fn.path);
2249 void dlg_filesel_get(union control *ctrl, void *dlg, Filename *fn)
2251 struct dlgparam *dp = (struct dlgparam *)dlg;
2252 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2253 assert(c && c->ctrl->generic.type == CTRL_FILESELECT);
2254 GetDlgItemText(dp->hwnd, c->base_id+1, fn->path, lenof(fn->path));
2255 fn->path[lenof(fn->path)-1] = '\0';
2258 void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec fs)
2260 char *buf, *boldstr;
2261 struct dlgparam *dp = (struct dlgparam *)dlg;
2262 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2263 assert(c && c->ctrl->generic.type == CTRL_FONTSELECT);
2265 *(FontSpec *)c->data = fs; /* structure copy */
2267 boldstr = (fs.isbold ? "bold, " : "");
2269 buf = dupprintf("Font: %s, %sdefault height", fs.name, boldstr);
2271 buf = dupprintf("Font: %s, %s%d-point", fs.name, boldstr,
2272 (fs.height < 0 ? -fs.height : fs.height));
2273 SetDlgItemText(dp->hwnd, c->base_id+1, buf);
2277 void dlg_fontsel_get(union control *ctrl, void *dlg, FontSpec *fs)
2279 struct dlgparam *dp = (struct dlgparam *)dlg;
2280 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2281 assert(c && c->ctrl->generic.type == CTRL_FONTSELECT);
2282 *fs = *(FontSpec *)c->data; /* structure copy */
2286 * Bracketing a large set of updates in these two functions will
2287 * cause the front end (if possible) to delay updating the screen
2288 * until it's all complete, thus avoiding flicker.
2290 void dlg_update_start(union control *ctrl, void *dlg)
2292 struct dlgparam *dp = (struct dlgparam *)dlg;
2293 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2294 if (c && c->ctrl->generic.type == CTRL_LISTBOX) {
2295 SendDlgItemMessage(dp->hwnd, c->base_id+1, WM_SETREDRAW, FALSE, 0);
2299 void dlg_update_done(union control *ctrl, void *dlg)
2301 struct dlgparam *dp = (struct dlgparam *)dlg;
2302 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2303 if (c && c->ctrl->generic.type == CTRL_LISTBOX) {
2304 HWND hw = GetDlgItem(dp->hwnd, c->base_id+1);
2305 SendMessage(hw, WM_SETREDRAW, TRUE, 0);
2306 InvalidateRect(hw, NULL, TRUE);
2310 void dlg_set_focus(union control *ctrl, void *dlg)
2312 struct dlgparam *dp = (struct dlgparam *)dlg;
2313 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2316 switch (ctrl->generic.type) {
2317 case CTRL_EDITBOX: id = c->base_id + 1; break;
2319 for (id = c->base_id + ctrl->radio.nbuttons; id > 1; id--)
2320 if (IsDlgButtonChecked(dp->hwnd, id))
2323 * In the theoretically-unlikely case that no button was
2324 * selected, id should come out of this as 1, which is a
2325 * reasonable enough choice.
2328 case CTRL_CHECKBOX: id = c->base_id; break;
2329 case CTRL_BUTTON: id = c->base_id; break;
2330 case CTRL_LISTBOX: id = c->base_id + 1; break;
2331 case CTRL_FILESELECT: id = c->base_id + 1; break;
2332 case CTRL_FONTSELECT: id = c->base_id + 2; break;
2333 default: id = c->base_id; break;
2335 ctl = GetDlgItem(dp->hwnd, id);
2340 * During event processing, you might well want to give an error
2341 * indication to the user. dlg_beep() is a quick and easy generic
2342 * error; dlg_error() puts up a message-box or equivalent.
2344 void dlg_beep(void *dlg)
2346 /* struct dlgparam *dp = (struct dlgparam *)dlg; */
2350 void dlg_error_msg(void *dlg, char *msg)
2352 struct dlgparam *dp = (struct dlgparam *)dlg;
2353 MessageBox(dp->hwnd, msg,
2354 dp->errtitle ? dp->errtitle : NULL,
2355 MB_OK | MB_ICONERROR);
2359 * This function signals to the front end that the dialog's
2360 * processing is completed, and passes an integer value (typically
2361 * a success status).
2363 void dlg_end(void *dlg, int value)
2365 struct dlgparam *dp = (struct dlgparam *)dlg;
2367 dp->endresult = value;
2370 void dlg_refresh(union control *ctrl, void *dlg)
2372 struct dlgparam *dp = (struct dlgparam *)dlg;
2378 * Send EVENT_REFRESH to absolutely everything.
2380 for (j = 0; j < dp->nctrltrees; j++) {
2382 (c = winctrl_findbyindex(dp->controltrees[j], i)) != NULL;
2384 if (c->ctrl && c->ctrl->generic.handler != NULL)
2385 c->ctrl->generic.handler(c->ctrl, dp,
2386 dp->data, EVENT_REFRESH);
2391 * Send EVENT_REFRESH to a specific control.
2393 if (ctrl->generic.handler != NULL)
2394 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
2398 void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b)
2400 struct dlgparam *dp = (struct dlgparam *)dlg;
2401 dp->coloursel_wanted = TRUE;
2402 dp->coloursel_result.r = r;
2403 dp->coloursel_result.g = g;
2404 dp->coloursel_result.b = b;
2407 int dlg_coloursel_results(union control *ctrl, void *dlg,
2408 int *r, int *g, int *b)
2410 struct dlgparam *dp = (struct dlgparam *)dlg;
2411 if (dp->coloursel_result.ok) {
2412 *r = dp->coloursel_result.r;
2413 *g = dp->coloursel_result.g;
2414 *b = dp->coloursel_result.b;