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'
30 #define STATICHEIGHT 8
31 #define TITLEHEIGHT 12
32 #define CHECKBOXHEIGHT 8
36 #define LISTINCREMENT 8
37 #define COMBOHEIGHT 12
38 #define PUSHBTNHEIGHT 14
39 #define PROGBARHEIGHT 14
41 void ctlposinit(struct ctlpos *cp, HWND hwnd,
42 int leftborder, int rightborder, int topborder)
46 cp->font = SendMessage(hwnd, WM_GETFONT, 0, 0);
48 GetClientRect(hwnd, &r);
52 MapDialogRect(hwnd, &r2);
53 cp->dlu4inpix = r2.right;
54 cp->width = (r.right * 4) / (r2.right) - 2 * GAPBETWEEN;
55 cp->xoff = leftborder;
56 cp->width -= leftborder + rightborder;
59 HWND doctl(struct ctlpos *cp, RECT r,
60 char *wclass, int wstyle, int exstyle, char *wtext, int wid)
64 * Note nonstandard use of RECT. This is deliberate: by
65 * transforming the width and height directly we arrange to
66 * have all supposedly same-sized controls really same-sized.
70 MapDialogRect(cp->hwnd, &r);
73 * We can pass in cp->hwnd == NULL, to indicate a dry run
74 * without creating any actual controls.
77 ctl = CreateWindowEx(exstyle, wclass, wtext, wstyle,
78 r.left, r.top, r.right, r.bottom,
79 cp->hwnd, (HMENU)(ULONG_PTR)wid, hinst, NULL);
80 SendMessage(ctl, WM_SETFONT, cp->font, MAKELPARAM(TRUE, 0));
82 if (!strcmp(wclass, "LISTBOX")) {
84 * Bizarre Windows bug: the list box calculates its
85 * number of lines based on the font it has at creation
86 * time, but sending it WM_SETFONT doesn't cause it to
87 * recalculate. So now, _after_ we've sent it
88 * WM_SETFONT, we explicitly resize it (to the same
89 * size it was already!) to force it to reconsider.
91 SetWindowPos(ctl, NULL, 0, 0, r.right, r.bottom,
92 SWP_NOACTIVATE | SWP_NOCOPYBITS |
93 SWP_NOMOVE | SWP_NOZORDER);
101 * A title bar across the top of a sub-dialog.
103 void bartitle(struct ctlpos *cp, char *name, int id)
110 r.bottom = STATICHEIGHT;
111 cp->ypos += r.bottom + GAPBETWEEN;
112 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, name, id);
116 * Begin a grouping box, with or without a group title.
118 void beginbox(struct ctlpos *cp, char *name, int idbox)
120 cp->boxystart = cp->ypos;
122 cp->boxystart -= STATICHEIGHT / 2;
124 cp->ypos += STATICHEIGHT;
126 cp->width -= 2 * GAPXBOX;
133 * End a grouping box.
135 void endbox(struct ctlpos *cp)
139 cp->width += 2 * GAPXBOX;
140 cp->ypos += GAPYBOX - GAPBETWEEN;
143 r.top = cp->boxystart;
144 r.bottom = cp->ypos - cp->boxystart;
145 doctl(cp, r, "BUTTON", BS_GROUPBOX | WS_CHILD | WS_VISIBLE, 0,
146 cp->boxtext ? cp->boxtext : "", cp->boxid);
151 * A static line, followed by a full-width edit box.
153 void editboxfw(struct ctlpos *cp, int password, char *text,
154 int staticid, int editid)
163 r.bottom = STATICHEIGHT;
164 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid);
165 cp->ypos += STATICHEIGHT + GAPWITHIN;
168 r.bottom = EDITHEIGHT;
170 WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL |
171 (password ? ES_PASSWORD : 0),
172 WS_EX_CLIENTEDGE, "", editid);
173 cp->ypos += EDITHEIGHT + GAPBETWEEN;
177 * A static line, followed by a full-width combo box.
179 void combobox(struct ctlpos *cp, char *text, int staticid, int listid)
188 r.bottom = STATICHEIGHT;
189 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid);
190 cp->ypos += STATICHEIGHT + GAPWITHIN;
193 r.bottom = COMBOHEIGHT * 10;
194 doctl(cp, r, "COMBOBOX",
195 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
196 CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", listid);
197 cp->ypos += COMBOHEIGHT + GAPBETWEEN;
200 struct radio { char *text; int id; };
202 static void radioline_common(struct ctlpos *cp, char *text, int id,
203 int nacross, struct radio *buttons, int nbuttons)
214 r.bottom = STATICHEIGHT;
215 cp->ypos += r.bottom + GAPWITHIN;
216 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, id);
221 for (j = 0; j < nbuttons; j++) {
222 char *btext = buttons[j].text;
223 int bid = buttons[j].id;
226 cp->ypos += r.bottom + (nacross > 1 ? GAPBETWEEN : GAPWITHIN);
229 r.left = GAPBETWEEN + i * (cp->width + GAPBETWEEN) / nacross;
232 (i + 1) * (cp->width + GAPBETWEEN) / nacross - r.left;
234 r.right = cp->width - r.left;
236 r.bottom = RADIOHEIGHT;
237 doctl(cp, r, "BUTTON",
238 BS_NOTIFY | BS_AUTORADIOBUTTON | WS_CHILD |
239 WS_VISIBLE | WS_TABSTOP | group, 0, btext, bid);
243 cp->ypos += r.bottom + GAPBETWEEN;
247 * A set of radio buttons on the same line, with a static above
248 * them. `nacross' dictates how many parts the line is divided into
249 * (you might want this not to equal the number of buttons if you
250 * needed to line up some 2s and some 3s to look good in the same
253 * There's a bit of a hack in here to ensure that if nacross
254 * exceeds the actual number of buttons, the rightmost button
255 * really does get all the space right to the edge of the line, so
256 * you can do things like
258 * (*) Button1 (*) Button2 (*) ButtonWithReallyLongTitle
260 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...)
263 struct radio *buttons;
266 va_start(ap, nacross);
269 char *btext = va_arg(ap, char *);
272 (void) va_arg(ap, int); /* id */
276 buttons = snewn(nbuttons, struct radio);
277 va_start(ap, nacross);
278 for (i = 0; i < nbuttons; i++) {
279 buttons[i].text = va_arg(ap, char *);
280 buttons[i].id = va_arg(ap, int);
283 radioline_common(cp, text, id, nacross, buttons, nbuttons);
288 * A set of radio buttons on the same line, without a static above
289 * them. Otherwise just like radioline.
291 void bareradioline(struct ctlpos *cp, int nacross, ...)
294 struct radio *buttons;
297 va_start(ap, nacross);
300 char *btext = va_arg(ap, char *);
303 (void) va_arg(ap, int); /* id */
307 buttons = snewn(nbuttons, struct radio);
308 va_start(ap, nacross);
309 for (i = 0; i < nbuttons; i++) {
310 buttons[i].text = va_arg(ap, char *);
311 buttons[i].id = va_arg(ap, int);
314 radioline_common(cp, NULL, 0, nacross, buttons, nbuttons);
319 * A set of radio buttons on multiple lines, with a static above
322 void radiobig(struct ctlpos *cp, char *text, int id, ...)
325 struct radio *buttons;
331 char *btext = va_arg(ap, char *);
334 (void) va_arg(ap, int); /* id */
338 buttons = snewn(nbuttons, struct radio);
340 for (i = 0; i < nbuttons; i++) {
341 buttons[i].text = va_arg(ap, char *);
342 buttons[i].id = va_arg(ap, int);
345 radioline_common(cp, text, id, 1, buttons, nbuttons);
350 * A single standalone checkbox.
352 void checkbox(struct ctlpos *cp, char *text, int id)
359 r.bottom = CHECKBOXHEIGHT;
360 cp->ypos += r.bottom + GAPBETWEEN;
361 doctl(cp, r, "BUTTON",
362 BS_NOTIFY | BS_AUTOCHECKBOX | WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0,
367 * Wrap a piece of text for a static text control. Returns the
368 * wrapped text (a malloc'ed string containing \ns), and also
369 * returns the number of lines required.
371 char *staticwrap(struct ctlpos *cp, HWND hwnd, char *text, int *lines)
373 HDC hdc = GetDC(hwnd);
374 int width, nlines, j;
379 HFONT oldfont, newfont;
381 ret = snewn(1+strlen(text), char);
384 pwidths = snewn(1+strlen(text), INT);
387 * Work out the width the text will need to fit in, by doing
388 * the same adjustment that the `statictext' function itself
391 SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */
392 r.left = r.top = r.bottom = 0;
394 MapDialogRect(hwnd, &r);
400 * We must select the correct font into the HDC before calling
401 * GetTextExtent*, or silly things will happen.
403 newfont = (HFONT)SendMessage(hwnd, WM_GETFONT, 0, 0);
404 oldfont = SelectObject(hdc, newfont);
407 if (!GetTextExtentExPoint(hdc, p, strlen(p), width,
408 &nfit, pwidths, &size) ||
409 (size_t)nfit >= strlen(p)) {
411 * Either GetTextExtentExPoint returned failure, or the
412 * whole of the rest of the text fits on this line.
413 * Either way, we stop wrapping, copy the remainder of
414 * the input string unchanged to the output, and leave.
421 * Now we search backwards along the string from `nfit',
422 * looking for a space at which to break the line. If we
423 * don't find one at all, that's fine - we'll just break
424 * the line at `nfit'.
426 for (j = nfit; j > 0; j--) {
427 if (isspace((unsigned char)p[j])) {
438 while (*p && isspace((unsigned char)*p))
444 SelectObject(hdc, oldfont);
445 ReleaseDC(cp->hwnd, hdc);
447 if (lines) *lines = nlines;
455 * A single standalone static text control.
457 void statictext(struct ctlpos *cp, char *text, int lines, int id)
464 r.bottom = STATICHEIGHT * lines;
465 cp->ypos += r.bottom + GAPBETWEEN;
466 doctl(cp, r, "STATIC",
467 WS_CHILD | WS_VISIBLE | SS_LEFTNOWORDWRAP,
472 * An owner-drawn static text control for a panel title.
474 void paneltitle(struct ctlpos *cp, int id)
481 r.bottom = TITLEHEIGHT;
482 cp->ypos += r.bottom + GAPBETWEEN;
483 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_OWNERDRAW,
488 * A button on the right hand side, with a static to its left.
490 void staticbtn(struct ctlpos *cp, char *stext, int sid,
491 char *btext, int bid)
493 const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
494 PUSHBTNHEIGHT : STATICHEIGHT);
496 int lwid, rwid, rpos;
498 rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
499 lwid = rpos - 2 * GAPBETWEEN;
500 rwid = cp->width + GAPBETWEEN - rpos;
503 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
505 r.bottom = STATICHEIGHT;
506 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
509 r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
511 r.bottom = PUSHBTNHEIGHT;
512 doctl(cp, r, "BUTTON",
513 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
516 cp->ypos += height + GAPBETWEEN;
520 * A simple push button.
522 void button(struct ctlpos *cp, char *btext, int bid, int defbtn)
529 r.bottom = PUSHBTNHEIGHT;
531 /* Q67655: the _dialog box_ must know which button is default
532 * as well as the button itself knowing */
533 if (defbtn && cp->hwnd)
534 SendMessage(cp->hwnd, DM_SETDEFID, bid, 0);
536 doctl(cp, r, "BUTTON",
537 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP |
538 (defbtn ? BS_DEFPUSHBUTTON : 0) | BS_PUSHBUTTON,
541 cp->ypos += PUSHBTNHEIGHT + GAPBETWEEN;
545 * Like staticbtn, but two buttons.
547 void static2btn(struct ctlpos *cp, char *stext, int sid,
548 char *btext1, int bid1, char *btext2, int bid2)
550 const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
551 PUSHBTNHEIGHT : STATICHEIGHT);
553 int lwid, rwid1, rwid2, rpos1, rpos2;
555 rpos1 = GAPBETWEEN + (cp->width + GAPBETWEEN) / 2;
556 rpos2 = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
557 lwid = rpos1 - 2 * GAPBETWEEN;
558 rwid1 = rpos2 - rpos1 - GAPBETWEEN;
559 rwid2 = cp->width + GAPBETWEEN - rpos2;
562 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
564 r.bottom = STATICHEIGHT;
565 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
568 r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
570 r.bottom = PUSHBTNHEIGHT;
571 doctl(cp, r, "BUTTON",
572 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
576 r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
578 r.bottom = PUSHBTNHEIGHT;
579 doctl(cp, r, "BUTTON",
580 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
583 cp->ypos += height + GAPBETWEEN;
587 * An edit control on the right hand side, with a static to its left.
589 static void staticedit_internal(struct ctlpos *cp, char *stext,
590 int sid, int eid, int percentedit,
593 const int height = (EDITHEIGHT > STATICHEIGHT ?
594 EDITHEIGHT : STATICHEIGHT);
596 int lwid, rwid, rpos;
599 GAPBETWEEN + (100 - percentedit) * (cp->width + GAPBETWEEN) / 100;
600 lwid = rpos - 2 * GAPBETWEEN;
601 rwid = cp->width + GAPBETWEEN - rpos;
604 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
606 r.bottom = STATICHEIGHT;
607 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
610 r.top = cp->ypos + (height - EDITHEIGHT) / 2;
612 r.bottom = EDITHEIGHT;
614 WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | style,
615 WS_EX_CLIENTEDGE, "", eid);
617 cp->ypos += height + GAPBETWEEN;
620 void staticedit(struct ctlpos *cp, char *stext,
621 int sid, int eid, int percentedit)
623 staticedit_internal(cp, stext, sid, eid, percentedit, 0);
626 void staticpassedit(struct ctlpos *cp, char *stext,
627 int sid, int eid, int percentedit)
629 staticedit_internal(cp, stext, sid, eid, percentedit, ES_PASSWORD);
633 * A drop-down list box on the right hand side, with a static to
636 void staticddl(struct ctlpos *cp, char *stext,
637 int sid, int lid, int percentlist)
639 const int height = (COMBOHEIGHT > STATICHEIGHT ?
640 COMBOHEIGHT : STATICHEIGHT);
642 int lwid, rwid, rpos;
645 GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100;
646 lwid = rpos - 2 * GAPBETWEEN;
647 rwid = cp->width + GAPBETWEEN - rpos;
650 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
652 r.bottom = STATICHEIGHT;
653 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
656 r.top = cp->ypos + (height - EDITHEIGHT) / 2;
658 r.bottom = COMBOHEIGHT*4;
659 doctl(cp, r, "COMBOBOX",
660 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
661 CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
663 cp->ypos += height + GAPBETWEEN;
667 * A combo box on the right hand side, with a static to its left.
669 void staticcombo(struct ctlpos *cp, char *stext,
670 int sid, int lid, int percentlist)
672 const int height = (COMBOHEIGHT > STATICHEIGHT ?
673 COMBOHEIGHT : STATICHEIGHT);
675 int lwid, rwid, rpos;
678 GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100;
679 lwid = rpos - 2 * GAPBETWEEN;
680 rwid = cp->width + GAPBETWEEN - rpos;
683 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
685 r.bottom = STATICHEIGHT;
686 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
689 r.top = cp->ypos + (height - EDITHEIGHT) / 2;
691 r.bottom = COMBOHEIGHT*10;
692 doctl(cp, r, "COMBOBOX",
693 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
694 CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
696 cp->ypos += height + GAPBETWEEN;
700 * A static, with a full-width drop-down list box below it.
702 void staticddlbig(struct ctlpos *cp, char *stext,
711 r.bottom = STATICHEIGHT;
712 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
713 cp->ypos += STATICHEIGHT;
719 r.bottom = COMBOHEIGHT*4;
720 doctl(cp, r, "COMBOBOX",
721 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
722 CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
723 cp->ypos += COMBOHEIGHT + GAPBETWEEN;
727 * A big multiline edit control with a static labelling it.
729 void bigeditctrl(struct ctlpos *cp, char *stext,
730 int sid, int eid, int lines)
738 r.bottom = STATICHEIGHT;
739 cp->ypos += r.bottom + GAPWITHIN;
740 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
746 r.bottom = EDITHEIGHT + (lines - 1) * STATICHEIGHT;
747 cp->ypos += r.bottom + GAPBETWEEN;
749 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | ES_MULTILINE,
750 WS_EX_CLIENTEDGE, "", eid);
754 * A list box with a static labelling it.
756 void listbox(struct ctlpos *cp, char *stext,
757 int sid, int lid, int lines, int multi)
765 r.bottom = STATICHEIGHT;
766 cp->ypos += r.bottom + GAPWITHIN;
767 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
773 r.bottom = LISTHEIGHT + (lines - 1) * LISTINCREMENT;
774 cp->ypos += r.bottom + GAPBETWEEN;
775 doctl(cp, r, "LISTBOX",
776 WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
777 LBS_NOTIFY | LBS_HASSTRINGS | LBS_USETABSTOPS |
778 (multi ? LBS_MULTIPLESEL : 0),
779 WS_EX_CLIENTEDGE, "", lid);
783 * A tab-control substitute when a real tab control is unavailable.
785 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id)
787 const int height = (COMBOHEIGHT > STATICHEIGHT ?
788 COMBOHEIGHT : STATICHEIGHT);
790 int bigwid, lwid, rwid, rpos;
791 static const int BIGGAP = 15;
792 static const int MEDGAP = 3;
794 bigwid = cp->width + 2 * GAPBETWEEN - 2 * BIGGAP;
796 rpos = BIGGAP + (bigwid + BIGGAP) / 2;
797 lwid = rpos - 2 * BIGGAP;
798 rwid = bigwid + BIGGAP - rpos;
801 r.top = cp->ypos + (height - STATICHEIGHT) / 2;
803 r.bottom = STATICHEIGHT;
804 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
807 r.top = cp->ypos + (height - COMBOHEIGHT) / 2;
809 r.bottom = COMBOHEIGHT * 10;
810 doctl(cp, r, "COMBOBOX",
811 WS_CHILD | WS_VISIBLE | WS_TABSTOP |
812 CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
814 cp->ypos += height + MEDGAP + GAPBETWEEN;
820 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_ETCHEDHORZ,
825 * A static line, followed by an edit control on the left hand side
826 * and a button on the right.
828 void editbutton(struct ctlpos *cp, char *stext, int sid,
829 int eid, char *btext, int bid)
831 const int height = (EDITHEIGHT > PUSHBTNHEIGHT ?
832 EDITHEIGHT : PUSHBTNHEIGHT);
834 int lwid, rwid, rpos;
839 r.bottom = STATICHEIGHT;
840 cp->ypos += r.bottom + GAPWITHIN;
841 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
843 rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
844 lwid = rpos - 2 * GAPBETWEEN;
845 rwid = cp->width + GAPBETWEEN - rpos;
848 r.top = cp->ypos + (height - EDITHEIGHT) / 2;
850 r.bottom = EDITHEIGHT;
852 WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
853 WS_EX_CLIENTEDGE, "", eid);
856 r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
858 r.bottom = PUSHBTNHEIGHT;
859 doctl(cp, r, "BUTTON",
860 BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
863 cp->ypos += height + GAPBETWEEN;
867 * A special control for manipulating an ordered preference list
868 * (eg. for cipher selection).
869 * XXX: this is a rough hack and could be improved.
871 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
872 char *stext, int sid, int listid, int upbid, int dnbid)
874 const static int percents[] = { 5, 75, 20 };
876 int xpos, percent = 0, i;
877 int listheight = LISTHEIGHT + (lines - 1) * LISTINCREMENT;
878 const int BTNSHEIGHT = 2*PUSHBTNHEIGHT + GAPBETWEEN;
879 int totalheight, buttonpos;
881 /* Squirrel away IDs. */
882 hdl->listid = listid;
886 /* The static label. */
891 r.bottom = STATICHEIGHT;
892 cp->ypos += r.bottom + GAPWITHIN;
893 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
896 if (listheight > BTNSHEIGHT) {
897 totalheight = listheight;
898 buttonpos = (listheight - BTNSHEIGHT) / 2;
900 totalheight = BTNSHEIGHT;
904 for (i=0; i<3; i++) {
906 xpos = (cp->width + GAPBETWEEN) * percent / 100;
907 left = xpos + GAPBETWEEN;
908 percent += percents[i];
909 xpos = (cp->width + GAPBETWEEN) * percent / 100;
914 /* The drag list box. */
915 r.left = left; r.right = wid;
916 r.top = cp->ypos; r.bottom = listheight;
919 ctl = doctl(cp, r, "LISTBOX",
920 WS_CHILD | WS_VISIBLE | WS_TABSTOP |
921 WS_VSCROLL | LBS_HASSTRINGS | LBS_USETABSTOPS,
929 /* The "Up" and "Down" buttons. */
930 /* XXX worry about accelerators if we have more than one
931 * prefslist on a panel */
932 r.left = left; r.right = wid;
933 r.top = cp->ypos + buttonpos; r.bottom = PUSHBTNHEIGHT;
934 doctl(cp, r, "BUTTON",
935 BS_NOTIFY | WS_CHILD | WS_VISIBLE |
936 WS_TABSTOP | BS_PUSHBUTTON,
939 r.left = left; r.right = wid;
940 r.top = cp->ypos + buttonpos + PUSHBTNHEIGHT + GAPBETWEEN;
941 r.bottom = PUSHBTNHEIGHT;
942 doctl(cp, r, "BUTTON",
943 BS_NOTIFY | WS_CHILD | WS_VISIBLE |
944 WS_TABSTOP | BS_PUSHBUTTON,
952 cp->ypos += totalheight + GAPBETWEEN;
957 * Helper function for prefslist: move item in list box.
959 static void pl_moveitem(HWND hwnd, int listid, int src, int dst)
963 /* Get the item's data. */
964 tlen = SendDlgItemMessage (hwnd, listid, LB_GETTEXTLEN, src, 0);
965 txt = snewn(tlen+1, char);
966 SendDlgItemMessage (hwnd, listid, LB_GETTEXT, src, (LPARAM) txt);
967 val = SendDlgItemMessage (hwnd, listid, LB_GETITEMDATA, src, 0);
968 /* Deselect old location. */
969 SendDlgItemMessage (hwnd, listid, LB_SETSEL, FALSE, src);
970 /* Delete it at the old location. */
971 SendDlgItemMessage (hwnd, listid, LB_DELETESTRING, src, 0);
972 /* Insert it at new location. */
973 SendDlgItemMessage (hwnd, listid, LB_INSERTSTRING, dst,
975 SendDlgItemMessage (hwnd, listid, LB_SETITEMDATA, dst,
978 SendDlgItemMessage (hwnd, listid, LB_SETCURSEL, dst, 0);
982 int pl_itemfrompt(HWND hwnd, POINT cursor, BOOL scroll)
985 POINT uppoint, downpoint;
986 int updist, downdist, upitem, downitem, i;
989 * Ghastly hackery to try to figure out not which
990 * _item_, but which _gap between items_, the user
991 * is pointing at. We do this by first working out
992 * which list item is under the cursor, and then
993 * working out how far the cursor would have to
994 * move up or down before the answer was different.
995 * Then we put the insertion point _above_ the
996 * current item if the upper edge is closer than
997 * the lower edge, or _below_ it if vice versa.
999 ret = LBItemFromPt(hwnd, cursor, scroll);
1002 ret = LBItemFromPt(hwnd, cursor, FALSE);
1003 updist = downdist = 0;
1004 for (i = 1; i < 4096 && (!updist || !downdist); i++) {
1005 uppoint = downpoint = cursor;
1008 upitem = LBItemFromPt(hwnd, uppoint, FALSE);
1009 downitem = LBItemFromPt(hwnd, downpoint, FALSE);
1010 if (!updist && upitem != ret)
1012 if (!downdist && downitem != ret)
1015 if (downdist < updist)
1021 * Handler for prefslist above.
1023 * Return value has bit 0 set if the dialog box procedure needs to
1024 * return TRUE from handling this message; it has bit 1 set if a
1025 * change may have been made in the contents of the list.
1027 int handle_prefslist(struct prefslist *hdl,
1028 int *array, int maxmemb,
1029 int is_dlmsg, HWND hwnd,
1030 WPARAM wParam, LPARAM lParam)
1037 if ((int)wParam == hdl->listid) {
1038 DRAGLISTINFO *dlm = (DRAGLISTINFO *)lParam;
1039 int dest = 0; /* initialise to placate gcc */
1040 switch (dlm->uNotification) {
1042 /* Add a dummy item to make pl_itemfrompt() work
1044 * FIXME: this causes scrollbar glitches if the count of
1045 * listbox contains >= its height. */
1047 SendDlgItemMessage(hwnd, hdl->listid,
1048 LB_ADDSTRING, 0, (LPARAM) "");
1050 hdl->srcitem = LBItemFromPt(dlm->hWnd, dlm->ptCursor, TRUE);
1052 /* XXX hack Q183115 */
1053 SetWindowLongPtr(hwnd, DWLP_MSGRESULT, TRUE);
1056 DrawInsert(hwnd, dlm->hWnd, -1); /* Clear arrow */
1057 SendDlgItemMessage(hwnd, hdl->listid,
1058 LB_DELETESTRING, hdl->dummyitem, 0);
1063 dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE);
1064 if (dest > hdl->dummyitem) dest = hdl->dummyitem;
1065 DrawInsert (hwnd, dlm->hWnd, dest);
1067 SetWindowLongPtr(hwnd, DWLP_MSGRESULT, DL_MOVECURSOR);
1069 SetWindowLongPtr(hwnd, DWLP_MSGRESULT, DL_STOPCURSOR);
1072 if (hdl->dragging) {
1073 dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE);
1074 if (dest > hdl->dummyitem) dest = hdl->dummyitem;
1075 DrawInsert (hwnd, dlm->hWnd, -1);
1077 SendDlgItemMessage(hwnd, hdl->listid,
1078 LB_DELETESTRING, hdl->dummyitem, 0);
1079 if (hdl->dragging) {
1082 /* Correct for "missing" item. */
1083 if (dest > hdl->srcitem) dest--;
1084 pl_moveitem(hwnd, hdl->listid, hdl->srcitem, dest);
1094 if (((LOWORD(wParam) == hdl->upbid) ||
1095 (LOWORD(wParam) == hdl->dnbid)) &&
1096 ((HIWORD(wParam) == BN_CLICKED) ||
1097 (HIWORD(wParam) == BN_DOUBLECLICKED))) {
1098 /* Move an item up or down the list. */
1099 /* Get the current selection, if any. */
1100 int selection = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCURSEL, 0, 0);
1101 if (selection == LB_ERR) {
1105 /* Get the total number of items. */
1106 nitems = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCOUNT, 0, 0);
1107 /* Should we do anything? */
1108 if (LOWORD(wParam) == hdl->upbid && (selection > 0))
1109 pl_moveitem(hwnd, hdl->listid, selection, selection - 1);
1110 else if (LOWORD(wParam) == hdl->dnbid && (selection < nitems - 1))
1111 pl_moveitem(hwnd, hdl->listid, selection, selection + 1);
1120 /* Update array to match the list box. */
1121 for (i=0; i < maxmemb; i++)
1122 array[i] = SendDlgItemMessage (hwnd, hdl->listid, LB_GETITEMDATA,
1130 * A progress bar (from Common Controls). We like our progress bars
1131 * to be smooth and unbroken, without those ugly divisions; some
1132 * older compilers may not support that, but that's life.
1134 void progressbar(struct ctlpos *cp, int id)
1138 r.left = GAPBETWEEN;
1140 r.right = cp->width;
1141 r.bottom = PROGBARHEIGHT;
1142 cp->ypos += r.bottom + GAPBETWEEN;
1144 doctl(cp, r, PROGRESS_CLASS, WS_CHILD | WS_VISIBLE
1148 , WS_EX_CLIENTEDGE, "", id);
1151 /* ----------------------------------------------------------------------
1152 * Platform-specific side of portable dialog-box mechanism.
1156 * This function takes a string, escapes all the ampersands, and
1157 * places a single (unescaped) ampersand in front of the first
1158 * occurrence of the given shortcut character (which may be
1161 * Return value is a malloc'ed copy of the processed version of the
1164 static char *shortcut_escape(const char *text, char shortcut)
1171 return NULL; /* sfree won't choke on this */
1173 ret = snewn(2*strlen(text)+1, char); /* 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, actual_base_id, base_id, num_ids;
1333 /* Start a containing box, if we have a boxname. */
1334 if (s->boxname && *s->boxname) {
1335 struct winctrl *c = snew(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 = snew(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));
1476 /* Almost all controls start at base_id. */
1477 actual_base_id = base_id;
1480 * Now we're ready to actually create the control, by
1481 * switching on its type.
1483 switch (ctrl->generic.type) {
1486 char *wrapped, *escaped;
1489 wrapped = staticwrap(&pos, cp->hwnd,
1490 ctrl->generic.label, &lines);
1491 escaped = shortcut_escape(wrapped, NO_SHORTCUT);
1492 statictext(&pos, escaped, lines, base_id);
1498 num_ids = 2; /* static, edit */
1499 escaped = shortcut_escape(ctrl->editbox.label,
1500 ctrl->editbox.shortcut);
1501 shortcuts[nshortcuts++] = ctrl->editbox.shortcut;
1502 if (ctrl->editbox.percentwidth == 100) {
1503 if (ctrl->editbox.has_list)
1504 combobox(&pos, escaped,
1505 base_id, base_id+1);
1507 editboxfw(&pos, ctrl->editbox.password, escaped,
1508 base_id, base_id+1);
1510 if (ctrl->editbox.has_list) {
1511 staticcombo(&pos, escaped, base_id, base_id+1,
1512 ctrl->editbox.percentwidth);
1514 (ctrl->editbox.password ? staticpassedit : staticedit)
1515 (&pos, escaped, base_id, base_id+1,
1516 ctrl->editbox.percentwidth);
1522 num_ids = ctrl->radio.nbuttons + 1; /* label as well */
1524 struct radio *buttons;
1527 escaped = shortcut_escape(ctrl->radio.label,
1528 ctrl->radio.shortcut);
1529 shortcuts[nshortcuts++] = ctrl->radio.shortcut;
1531 buttons = snewn(ctrl->radio.nbuttons, struct radio);
1533 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1535 shortcut_escape(ctrl->radio.buttons[i],
1536 (char)(ctrl->radio.shortcuts ?
1537 ctrl->radio.shortcuts[i] :
1539 buttons[i].id = base_id + 1 + i;
1540 if (ctrl->radio.shortcuts) {
1541 assert(nshortcuts < MAX_SHORTCUTS_PER_CTRL);
1542 shortcuts[nshortcuts++] = ctrl->radio.shortcuts[i];
1546 radioline_common(&pos, escaped, base_id,
1547 ctrl->radio.ncolumns,
1548 buttons, ctrl->radio.nbuttons);
1550 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1551 sfree(buttons[i].text);
1559 escaped = shortcut_escape(ctrl->checkbox.label,
1560 ctrl->checkbox.shortcut);
1561 shortcuts[nshortcuts++] = ctrl->checkbox.shortcut;
1562 checkbox(&pos, escaped, base_id);
1566 escaped = shortcut_escape(ctrl->button.label,
1567 ctrl->button.shortcut);
1568 shortcuts[nshortcuts++] = ctrl->button.shortcut;
1569 if (ctrl->button.iscancel)
1570 actual_base_id = IDCANCEL;
1572 button(&pos, escaped, actual_base_id, ctrl->button.isdefault);
1577 escaped = shortcut_escape(ctrl->listbox.label,
1578 ctrl->listbox.shortcut);
1579 shortcuts[nshortcuts++] = ctrl->listbox.shortcut;
1580 if (ctrl->listbox.draglist) {
1581 data = snew(struct prefslist);
1583 prefslist(data, &pos, ctrl->listbox.height, escaped,
1584 base_id, base_id+1, base_id+2, base_id+3);
1585 shortcuts[nshortcuts++] = 'u'; /* Up */
1586 shortcuts[nshortcuts++] = 'd'; /* Down */
1587 } else if (ctrl->listbox.height == 0) {
1588 /* Drop-down list. */
1589 if (ctrl->listbox.percentwidth == 100) {
1590 staticddlbig(&pos, escaped,
1591 base_id, base_id+1);
1593 staticddl(&pos, escaped, base_id,
1594 base_id+1, ctrl->listbox.percentwidth);
1597 /* Ordinary list. */
1598 listbox(&pos, escaped, base_id, base_id+1,
1599 ctrl->listbox.height, ctrl->listbox.multisel);
1601 if (ctrl->listbox.ncols) {
1603 * This method of getting the box width is a bit of
1604 * a hack; we'd do better to try to retrieve the
1605 * actual width in dialog units from doctl() just
1606 * before MapDialogRect. But that's going to be no
1607 * fun, and this should be good enough accuracy.
1609 int width = cp->width * ctrl->listbox.percentwidth;
1613 tabarray = snewn(ctrl->listbox.ncols-1, int);
1615 for (i = 0; i < ctrl->listbox.ncols-1; i++) {
1616 percent += ctrl->listbox.percentages[i];
1617 tabarray[i] = width * percent / 10000;
1619 SendDlgItemMessage(cp->hwnd, base_id+1, LB_SETTABSTOPS,
1620 ctrl->listbox.ncols-1, (LPARAM)tabarray);
1625 case CTRL_FILESELECT:
1627 escaped = shortcut_escape(ctrl->fileselect.label,
1628 ctrl->fileselect.shortcut);
1629 shortcuts[nshortcuts++] = ctrl->fileselect.shortcut;
1630 editbutton(&pos, escaped, base_id, base_id+1,
1631 "Bro&wse...", base_id+2);
1632 shortcuts[nshortcuts++] = 'w';
1635 case CTRL_FONTSELECT:
1637 escaped = shortcut_escape(ctrl->fontselect.label,
1638 ctrl->fontselect.shortcut);
1639 shortcuts[nshortcuts++] = ctrl->fontselect.shortcut;
1640 statictext(&pos, escaped, 1, base_id);
1641 staticbtn(&pos, "", base_id+1, "Change...", base_id+2);
1642 data = fontspec_new("", 0, 0, 0);
1646 assert(!"Can't happen");
1647 num_ids = 0; /* placate gcc */
1652 * Create a `struct winctrl' for this control, and advance
1653 * the dialog ID counter, if it's actually been created
1654 * (and isn't tabdelayed).
1657 struct winctrl *c = snew(struct winctrl);
1660 c->base_id = actual_base_id;
1661 c->num_ids = num_ids;
1663 memcpy(c->shortcuts, shortcuts, sizeof(shortcuts));
1665 winctrl_add_shortcuts(dp, c);
1666 if (actual_base_id == base_id)
1672 if (colstart >= 0) {
1674 * Update the ypos in all columns crossed by this
1678 for (i = colstart; i < colstart+colspan; i++)
1679 columns[i].ypos = pos.ypos;
1684 * We've now finished laying out the controls; so now update
1685 * the ctlpos and control ID that were passed in, terminate
1686 * any containing box, and return.
1688 for (i = 0; i < ncols; i++)
1689 if (cp->ypos < columns[i].ypos)
1690 cp->ypos = columns[i].ypos;
1693 if (s->boxname && *s->boxname)
1697 static void winctrl_set_focus(union control *ctrl, struct dlgparam *dp,
1702 dp->lastfocused = dp->focused;
1704 } else if (!has_focus && dp->focused == ctrl) {
1705 dp->lastfocused = dp->focused;
1710 union control *dlg_last_focused(union control *ctrl, void *dlg)
1712 struct dlgparam *dp = (struct dlgparam *)dlg;
1713 return dp->focused == ctrl ? dp->lastfocused : dp->focused;
1717 * The dialog-box procedure calls this function to handle Windows
1718 * messages on a control we manage.
1720 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
1721 WPARAM wParam, LPARAM lParam)
1724 union control *ctrl;
1726 static UINT draglistmsg = WM_NULL;
1729 * Filter out pointless window messages. Our interest is in
1730 * WM_COMMAND and the drag list message, and nothing else.
1732 if (draglistmsg == WM_NULL)
1733 draglistmsg = RegisterWindowMessage (DRAGLISTMSGSTRING);
1735 if (msg != draglistmsg && msg != WM_COMMAND && msg != WM_DRAWITEM)
1739 * Look up the control ID in our data.
1742 for (i = 0; i < dp->nctrltrees; i++) {
1743 c = winctrl_findbyid(dp->controltrees[i], LOWORD(wParam));
1748 return 0; /* we have nothing to do */
1750 if (msg == WM_DRAWITEM) {
1752 * Owner-draw request for a panel title.
1754 LPDRAWITEMSTRUCT di = (LPDRAWITEMSTRUCT) lParam;
1756 RECT r = di->rcItem;
1759 SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */
1761 GetTextExtentPoint32(hdc, (char *)c->data,
1762 strlen((char *)c->data), &s);
1763 DrawEdge(hdc, &r, EDGE_ETCHED, BF_ADJUST | BF_RECT);
1765 r.left + (r.right-r.left-s.cx)/2,
1766 r.top + (r.bottom-r.top-s.cy)/2,
1767 (char *)c->data, strlen((char *)c->data));
1773 id = LOWORD(wParam) - c->base_id;
1775 if (!ctrl || !ctrl->generic.handler)
1776 return 0; /* nothing we can do here */
1779 * From here on we do not issue `return' statements until the
1780 * very end of the dialog box: any event handler is entitled to
1781 * ask for a colour selector, so we _must_ always allow control
1782 * to reach the end of this switch statement so that the
1783 * subsequent code can test dp->coloursel_wanted().
1786 dp->coloursel_wanted = FALSE;
1789 * Now switch on the control type and the message.
1791 switch (ctrl->generic.type) {
1793 if (msg == WM_COMMAND && !ctrl->editbox.has_list &&
1794 (HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS))
1795 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS);
1796 if (msg == WM_COMMAND && ctrl->editbox.has_list &&
1797 (HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS))
1798 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS);
1800 if (msg == WM_COMMAND && !ctrl->editbox.has_list &&
1801 HIWORD(wParam) == EN_CHANGE)
1802 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1803 if (msg == WM_COMMAND &&
1804 ctrl->editbox.has_list) {
1805 if (HIWORD(wParam) == CBN_SELCHANGE) {
1809 index = SendDlgItemMessage(dp->hwnd, c->base_id+1,
1810 CB_GETCURSEL, 0, 0);
1811 len = SendDlgItemMessage(dp->hwnd, c->base_id+1,
1812 CB_GETLBTEXTLEN, index, 0);
1813 text = snewn(len+1, char);
1814 SendDlgItemMessage(dp->hwnd, c->base_id+1, CB_GETLBTEXT,
1815 index, (LPARAM)text);
1816 SetDlgItemText(dp->hwnd, c->base_id+1, text);
1818 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1819 } else if (HIWORD(wParam) == CBN_EDITCHANGE) {
1820 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1821 } else if (HIWORD(wParam) == CBN_KILLFOCUS) {
1822 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
1828 if (msg == WM_COMMAND &&
1829 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1830 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1832 * We sometimes get spurious BN_CLICKED messages for the
1833 * radio button that is just about to _lose_ selection, if
1834 * we're switching using the arrow keys. Therefore we
1835 * double-check that the button in wParam is actually
1836 * checked before generating an event.
1838 if (msg == WM_COMMAND &&
1839 (HIWORD(wParam) == BN_CLICKED ||
1840 HIWORD(wParam) == BN_DOUBLECLICKED) &&
1841 IsDlgButtonChecked(dp->hwnd, LOWORD(wParam))) {
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_VALCHANGE);
1856 if (msg == WM_COMMAND &&
1857 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1858 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1859 if (msg == WM_COMMAND &&
1860 (HIWORD(wParam) == BN_CLICKED ||
1861 HIWORD(wParam) == BN_DOUBLECLICKED)) {
1862 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION);
1866 if (msg == WM_COMMAND && ctrl->listbox.height != 0 &&
1867 (HIWORD(wParam)==LBN_SETFOCUS || HIWORD(wParam)==LBN_KILLFOCUS))
1868 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == LBN_SETFOCUS);
1869 if (msg == WM_COMMAND && ctrl->listbox.height == 0 &&
1870 (HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS))
1871 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS);
1872 if (msg == WM_COMMAND && id >= 2 &&
1873 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1874 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1875 if (ctrl->listbox.draglist) {
1877 pret = handle_prefslist(c->data, NULL, 0, (msg != WM_COMMAND),
1878 dp->hwnd, wParam, lParam);
1880 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1883 if (msg == WM_COMMAND && HIWORD(wParam) == LBN_DBLCLK) {
1884 SetCapture(dp->hwnd);
1885 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION);
1886 } else if (msg == WM_COMMAND && HIWORD(wParam) == LBN_SELCHANGE) {
1887 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_SELCHANGE);
1891 case CTRL_FILESELECT:
1892 if (msg == WM_COMMAND && id == 1 &&
1893 (HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS))
1894 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS);
1895 if (msg == WM_COMMAND && id == 2 &&
1896 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1897 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1898 if (msg == WM_COMMAND && id == 1 && HIWORD(wParam) == EN_CHANGE)
1899 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1901 (msg == WM_COMMAND &&
1902 (HIWORD(wParam) == BN_CLICKED ||
1903 HIWORD(wParam) == BN_DOUBLECLICKED))) {
1905 char filename[FILENAME_MAX];
1907 memset(&of, 0, sizeof(of));
1908 of.hwndOwner = dp->hwnd;
1909 if (ctrl->fileselect.filter)
1910 of.lpstrFilter = ctrl->fileselect.filter;
1912 of.lpstrFilter = "All Files (*.*)\0*\0\0\0";
1913 of.lpstrCustomFilter = NULL;
1914 of.nFilterIndex = 1;
1915 of.lpstrFile = filename;
1916 GetDlgItemText(dp->hwnd, c->base_id+1, filename, lenof(filename));
1917 filename[lenof(filename)-1] = '\0';
1918 of.nMaxFile = lenof(filename);
1919 of.lpstrFileTitle = NULL;
1920 of.lpstrTitle = ctrl->fileselect.title;
1922 if (request_file(NULL, &of, FALSE, ctrl->fileselect.for_writing)) {
1923 SetDlgItemText(dp->hwnd, c->base_id + 1, filename);
1924 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1928 case CTRL_FONTSELECT:
1929 if (msg == WM_COMMAND && id == 2 &&
1930 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1931 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1933 (msg == WM_COMMAND &&
1934 (HIWORD(wParam) == BN_CLICKED ||
1935 HIWORD(wParam) == BN_DOUBLECLICKED))) {
1939 FontSpec *fs = (FontSpec *)c->data;
1942 lf.lfHeight = -MulDiv(fs->height,
1943 GetDeviceCaps(hdc, LOGPIXELSY), 72);
1945 lf.lfWidth = lf.lfEscapement = lf.lfOrientation = 0;
1946 lf.lfItalic = lf.lfUnderline = lf.lfStrikeOut = 0;
1947 lf.lfWeight = (fs->isbold ? FW_BOLD : 0);
1948 lf.lfCharSet = fs->charset;
1949 lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
1950 lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
1951 lf.lfQuality = DEFAULT_QUALITY;
1952 lf.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;
1953 strncpy(lf.lfFaceName, fs->name,
1954 sizeof(lf.lfFaceName) - 1);
1955 lf.lfFaceName[sizeof(lf.lfFaceName) - 1] = '\0';
1957 cf.lStructSize = sizeof(cf);
1958 cf.hwndOwner = dp->hwnd;
1960 cf.Flags = (dp->fixed_pitch_fonts ? CF_FIXEDPITCHONLY : 0) |
1961 CF_FORCEFONTEXIST | CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS;
1963 if (ChooseFont(&cf)) {
1964 fs = fontspec_new(lf.lfFaceName, (lf.lfWeight == FW_BOLD),
1965 cf.iPointSize / 10, lf.lfCharSet);
1966 dlg_fontsel_set(ctrl, dp, fs);
1969 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1976 * If the above event handler has asked for a colour selector,
1977 * now is the time to generate one.
1979 if (dp->coloursel_wanted) {
1980 static CHOOSECOLOR cc;
1981 static DWORD custom[16] = { 0 }; /* zero initialisers */
1982 cc.lStructSize = sizeof(cc);
1983 cc.hwndOwner = dp->hwnd;
1984 cc.hInstance = (HWND) hinst;
1985 cc.lpCustColors = custom;
1986 cc.rgbResult = RGB(dp->coloursel_result.r,
1987 dp->coloursel_result.g,
1988 dp->coloursel_result.b);
1989 cc.Flags = CC_FULLOPEN | CC_RGBINIT;
1990 if (ChooseColor(&cc)) {
1991 dp->coloursel_result.r =
1992 (unsigned char) (cc.rgbResult & 0xFF);
1993 dp->coloursel_result.g =
1994 (unsigned char) (cc.rgbResult >> 8) & 0xFF;
1995 dp->coloursel_result.b =
1996 (unsigned char) (cc.rgbResult >> 16) & 0xFF;
1997 dp->coloursel_result.ok = TRUE;
1999 dp->coloursel_result.ok = FALSE;
2000 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_CALLBACK);
2007 * This function can be called to produce context help on a
2008 * control. Returns TRUE if it has actually launched some help.
2010 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id)
2016 * Look up the control ID in our data.
2019 for (i = 0; i < dp->nctrltrees; i++) {
2020 c = winctrl_findbyid(dp->controltrees[i], id);
2025 return 0; /* we have nothing to do */
2028 * This is the Windows front end, so we're allowed to assume
2029 * `helpctx.p' is a context string.
2031 if (!c->ctrl || !c->ctrl->generic.helpctx.p)
2032 return 0; /* no help available for this ctrl */
2034 launch_help(hwnd, c->ctrl->generic.helpctx.p);
2039 * Now the various functions that the platform-independent
2040 * mechanism can call to access the dialog box entries.
2043 static struct winctrl *dlg_findbyctrl(struct dlgparam *dp, union control *ctrl)
2047 for (i = 0; i < dp->nctrltrees; i++) {
2048 struct winctrl *c = winctrl_findbyctrl(dp->controltrees[i], ctrl);
2055 void dlg_radiobutton_set(union control *ctrl, void *dlg, int whichbutton)
2057 struct dlgparam *dp = (struct dlgparam *)dlg;
2058 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2059 assert(c && c->ctrl->generic.type == CTRL_RADIO);
2060 CheckRadioButton(dp->hwnd,
2062 c->base_id + c->ctrl->radio.nbuttons,
2063 c->base_id + 1 + whichbutton);
2066 int dlg_radiobutton_get(union control *ctrl, void *dlg)
2068 struct dlgparam *dp = (struct dlgparam *)dlg;
2069 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2071 assert(c && c->ctrl->generic.type == CTRL_RADIO);
2072 for (i = 0; i < c->ctrl->radio.nbuttons; i++)
2073 if (IsDlgButtonChecked(dp->hwnd, c->base_id + 1 + i))
2075 assert(!"No radio button was checked?!");
2079 void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
2081 struct dlgparam *dp = (struct dlgparam *)dlg;
2082 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2083 assert(c && c->ctrl->generic.type == CTRL_CHECKBOX);
2084 CheckDlgButton(dp->hwnd, c->base_id, (checked != 0));
2087 int dlg_checkbox_get(union control *ctrl, void *dlg)
2089 struct dlgparam *dp = (struct dlgparam *)dlg;
2090 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2091 assert(c && c->ctrl->generic.type == CTRL_CHECKBOX);
2092 return 0 != IsDlgButtonChecked(dp->hwnd, c->base_id);
2095 void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
2097 struct dlgparam *dp = (struct dlgparam *)dlg;
2098 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2099 assert(c && c->ctrl->generic.type == CTRL_EDITBOX);
2100 SetDlgItemText(dp->hwnd, c->base_id+1, text);
2103 char *dlg_editbox_get(union control *ctrl, void *dlg)
2105 struct dlgparam *dp = (struct dlgparam *)dlg;
2106 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2107 assert(c && c->ctrl->generic.type == CTRL_EDITBOX);
2108 return GetDlgItemText_alloc(dp->hwnd, c->base_id+1);
2111 /* The `listbox' functions can also apply to combo boxes. */
2112 void dlg_listbox_clear(union control *ctrl, void *dlg)
2114 struct dlgparam *dp = (struct dlgparam *)dlg;
2115 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2118 (c->ctrl->generic.type == CTRL_LISTBOX ||
2119 (c->ctrl->generic.type == CTRL_EDITBOX &&
2120 c->ctrl->editbox.has_list)));
2121 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2122 LB_RESETCONTENT : CB_RESETCONTENT);
2123 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
2126 void dlg_listbox_del(union control *ctrl, void *dlg, int index)
2128 struct dlgparam *dp = (struct dlgparam *)dlg;
2129 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2132 (c->ctrl->generic.type == CTRL_LISTBOX ||
2133 (c->ctrl->generic.type == CTRL_EDITBOX &&
2134 c->ctrl->editbox.has_list)));
2135 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2136 LB_DELETESTRING : CB_DELETESTRING);
2137 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
2140 void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
2142 struct dlgparam *dp = (struct dlgparam *)dlg;
2143 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2146 (c->ctrl->generic.type == CTRL_LISTBOX ||
2147 (c->ctrl->generic.type == CTRL_EDITBOX &&
2148 c->ctrl->editbox.has_list)));
2149 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2150 LB_ADDSTRING : CB_ADDSTRING);
2151 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text);
2155 * Each listbox entry may have a numeric id associated with it.
2156 * Note that some front ends only permit a string to be stored at
2157 * each position, which means that _if_ you put two identical
2158 * strings in any listbox then you MUST not assign them different
2159 * IDs and expect to get meaningful results back.
2161 void dlg_listbox_addwithid(union control *ctrl, void *dlg,
2162 char const *text, int id)
2164 struct dlgparam *dp = (struct dlgparam *)dlg;
2165 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2166 int msg, msg2, index;
2168 (c->ctrl->generic.type == CTRL_LISTBOX ||
2169 (c->ctrl->generic.type == CTRL_EDITBOX &&
2170 c->ctrl->editbox.has_list)));
2171 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2172 LB_ADDSTRING : CB_ADDSTRING);
2173 msg2 = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2174 LB_SETITEMDATA : CB_SETITEMDATA);
2175 index = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text);
2176 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg2, index, (LPARAM)id);
2179 int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
2181 struct dlgparam *dp = (struct dlgparam *)dlg;
2182 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2184 assert(c && c->ctrl->generic.type == CTRL_LISTBOX);
2185 msg = (c->ctrl->listbox.height != 0 ? LB_GETITEMDATA : CB_GETITEMDATA);
2187 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
2190 /* dlg_listbox_index returns <0 if no single element is selected. */
2191 int dlg_listbox_index(union control *ctrl, void *dlg)
2193 struct dlgparam *dp = (struct dlgparam *)dlg;
2194 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2196 assert(c && c->ctrl->generic.type == CTRL_LISTBOX);
2197 if (c->ctrl->listbox.multisel) {
2198 assert(c->ctrl->listbox.height != 0); /* not combo box */
2199 ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, LB_GETSELCOUNT, 0, 0);
2200 if (ret == LB_ERR || ret > 1)
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_label_change(union control *ctrl, void *dlg, char const *text)
2243 struct dlgparam *dp = (struct dlgparam *)dlg;
2244 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2245 char *escaped = NULL;
2249 switch (c->ctrl->generic.type) {
2251 escaped = shortcut_escape(text, c->ctrl->editbox.shortcut);
2255 escaped = shortcut_escape(text, c->ctrl->radio.shortcut);
2259 escaped = shortcut_escape(text, ctrl->checkbox.shortcut);
2263 escaped = shortcut_escape(text, ctrl->button.shortcut);
2267 escaped = shortcut_escape(text, ctrl->listbox.shortcut);
2270 case CTRL_FILESELECT:
2271 escaped = shortcut_escape(text, ctrl->fileselect.shortcut);
2274 case CTRL_FONTSELECT:
2275 escaped = shortcut_escape(text, ctrl->fontselect.shortcut);
2279 assert(!"Can't happen");
2283 SetDlgItemText(dp->hwnd, id, escaped);
2288 void dlg_filesel_set(union control *ctrl, void *dlg, Filename *fn)
2290 struct dlgparam *dp = (struct dlgparam *)dlg;
2291 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2292 assert(c && c->ctrl->generic.type == CTRL_FILESELECT);
2293 SetDlgItemText(dp->hwnd, c->base_id+1, fn->path);
2296 Filename *dlg_filesel_get(union control *ctrl, void *dlg)
2298 struct dlgparam *dp = (struct dlgparam *)dlg;
2299 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2302 assert(c && c->ctrl->generic.type == CTRL_FILESELECT);
2303 tmp = GetDlgItemText_alloc(dp->hwnd, c->base_id+1);
2304 ret = filename_from_str(tmp);
2309 void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec *fs)
2311 char *buf, *boldstr;
2312 struct dlgparam *dp = (struct dlgparam *)dlg;
2313 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2314 assert(c && c->ctrl->generic.type == CTRL_FONTSELECT);
2316 fontspec_free((FontSpec *)c->data);
2317 c->data = fontspec_copy(fs);
2319 boldstr = (fs->isbold ? "bold, " : "");
2320 if (fs->height == 0)
2321 buf = dupprintf("Font: %s, %sdefault height", fs->name, boldstr);
2323 buf = dupprintf("Font: %s, %s%d-%s", fs->name, boldstr,
2324 (fs->height < 0 ? -fs->height : fs->height),
2325 (fs->height < 0 ? "pixel" : "point"));
2326 SetDlgItemText(dp->hwnd, c->base_id+1, buf);
2329 dlg_auto_set_fixed_pitch_flag(dp);
2332 FontSpec *dlg_fontsel_get(union control *ctrl, void *dlg)
2334 struct dlgparam *dp = (struct dlgparam *)dlg;
2335 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2336 assert(c && c->ctrl->generic.type == CTRL_FONTSELECT);
2337 return fontspec_copy((FontSpec *)c->data);
2341 * Bracketing a large set of updates in these two functions will
2342 * cause the front end (if possible) to delay updating the screen
2343 * until it's all complete, thus avoiding flicker.
2345 void dlg_update_start(union control *ctrl, void *dlg)
2347 struct dlgparam *dp = (struct dlgparam *)dlg;
2348 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2349 if (c && c->ctrl->generic.type == CTRL_LISTBOX) {
2350 SendDlgItemMessage(dp->hwnd, c->base_id+1, WM_SETREDRAW, FALSE, 0);
2354 void dlg_update_done(union control *ctrl, void *dlg)
2356 struct dlgparam *dp = (struct dlgparam *)dlg;
2357 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2358 if (c && c->ctrl->generic.type == CTRL_LISTBOX) {
2359 HWND hw = GetDlgItem(dp->hwnd, c->base_id+1);
2360 SendMessage(hw, WM_SETREDRAW, TRUE, 0);
2361 InvalidateRect(hw, NULL, TRUE);
2365 void dlg_set_focus(union control *ctrl, void *dlg)
2367 struct dlgparam *dp = (struct dlgparam *)dlg;
2368 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2373 switch (ctrl->generic.type) {
2374 case CTRL_EDITBOX: id = c->base_id + 1; break;
2376 for (id = c->base_id + ctrl->radio.nbuttons; id > 1; id--)
2377 if (IsDlgButtonChecked(dp->hwnd, id))
2380 * In the theoretically-unlikely case that no button was
2381 * selected, id should come out of this as 1, which is a
2382 * reasonable enough choice.
2385 case CTRL_CHECKBOX: id = c->base_id; break;
2386 case CTRL_BUTTON: id = c->base_id; break;
2387 case CTRL_LISTBOX: id = c->base_id + 1; break;
2388 case CTRL_FILESELECT: id = c->base_id + 1; break;
2389 case CTRL_FONTSELECT: id = c->base_id + 2; break;
2390 default: id = c->base_id; break;
2392 ctl = GetDlgItem(dp->hwnd, id);
2397 * During event processing, you might well want to give an error
2398 * indication to the user. dlg_beep() is a quick and easy generic
2399 * error; dlg_error() puts up a message-box or equivalent.
2401 void dlg_beep(void *dlg)
2403 /* struct dlgparam *dp = (struct dlgparam *)dlg; */
2407 void dlg_error_msg(void *dlg, const char *msg)
2409 struct dlgparam *dp = (struct dlgparam *)dlg;
2410 MessageBox(dp->hwnd, msg,
2411 dp->errtitle ? dp->errtitle : NULL,
2412 MB_OK | MB_ICONERROR);
2416 * This function signals to the front end that the dialog's
2417 * processing is completed, and passes an integer value (typically
2418 * a success status).
2420 void dlg_end(void *dlg, int value)
2422 struct dlgparam *dp = (struct dlgparam *)dlg;
2424 dp->endresult = value;
2427 void dlg_refresh(union control *ctrl, void *dlg)
2429 struct dlgparam *dp = (struct dlgparam *)dlg;
2435 * Send EVENT_REFRESH to absolutely everything.
2437 for (j = 0; j < dp->nctrltrees; j++) {
2439 (c = winctrl_findbyindex(dp->controltrees[j], i)) != NULL;
2441 if (c->ctrl && c->ctrl->generic.handler != NULL)
2442 c->ctrl->generic.handler(c->ctrl, dp,
2443 dp->data, EVENT_REFRESH);
2448 * Send EVENT_REFRESH to a specific control.
2450 if (ctrl->generic.handler != NULL)
2451 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
2455 void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b)
2457 struct dlgparam *dp = (struct dlgparam *)dlg;
2458 dp->coloursel_wanted = TRUE;
2459 dp->coloursel_result.r = r;
2460 dp->coloursel_result.g = g;
2461 dp->coloursel_result.b = b;
2464 int dlg_coloursel_results(union control *ctrl, void *dlg,
2465 int *r, int *g, int *b)
2467 struct dlgparam *dp = (struct dlgparam *)dlg;
2468 if (dp->coloursel_result.ok) {
2469 *r = dp->coloursel_result.r;
2470 *g = dp->coloursel_result.g;
2471 *b = dp->coloursel_result.b;
2477 void dlg_auto_set_fixed_pitch_flag(void *dlg)
2479 struct dlgparam *dp = (struct dlgparam *)dlg;
2480 Conf *conf = (Conf *)dp->data;
2489 * Attempt to load the current font, and see if it's
2490 * variable-pitch. If so, start off the fixed-pitch flag for the
2491 * dialog box as false.
2493 * We assume here that any client of the dlg_* mechanism which is
2494 * using font selectors at all is also using a normal 'Conf *'
2498 quality = conf_get_int(conf, CONF_font_quality);
2499 fs = conf_get_fontspec(conf, CONF_font);
2501 hfont = CreateFont(0, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE,
2502 DEFAULT_CHARSET, OUT_DEFAULT_PRECIS,
2503 CLIP_DEFAULT_PRECIS, FONT_QUALITY(quality),
2504 FIXED_PITCH | FF_DONTCARE, fs->name);
2506 if (hdc && SelectObject(hdc, hfont) && GetTextMetrics(hdc, &tm)) {
2507 /* Note that the TMPF_FIXED_PITCH bit is defined upside down :-( */
2508 is_var = (tm.tmPitchAndFamily & TMPF_FIXED_PITCH);
2510 is_var = FALSE; /* assume it's basically normal */
2513 ReleaseDC(NULL, hdc);
2515 DeleteObject(hfont);
2518 dp->fixed_pitch_fonts = FALSE;
2521 int dlg_get_fixed_pitch_flag(void *dlg)
2523 struct dlgparam *dp = (struct dlgparam *)dlg;
2524 return dp->fixed_pitch_fonts;
2527 void dlg_set_fixed_pitch_flag(void *dlg, int flag)
2529 struct dlgparam *dp = (struct dlgparam *)dlg;
2530 dp->fixed_pitch_fonts = flag;
2533 void dp_init(struct dlgparam *dp)
2538 dp->focused = dp->lastfocused = NULL;
2539 memset(dp->shortcuts, 0, sizeof(dp->shortcuts));
2541 dp->wintitle = dp->errtitle = NULL;
2542 dp->fixed_pitch_fonts = TRUE;
2545 void dp_add_tree(struct dlgparam *dp, struct winctrls *wc)
2547 assert(dp->nctrltrees < lenof(dp->controltrees));
2548 dp->controltrees[dp->nctrltrees++] = wc;
2551 void dp_cleanup(struct dlgparam *dp)
2553 sfree(dp->wintitle);
2554 sfree(dp->errtitle);