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) 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 *);
273 bid = va_arg(ap, int);
277 buttons = snewn(nbuttons, struct radio);
278 va_start(ap, nacross);
279 for (i = 0; i < nbuttons; i++) {
280 buttons[i].text = va_arg(ap, char *);
281 buttons[i].id = va_arg(ap, int);
284 radioline_common(cp, text, id, nacross, buttons, nbuttons);
289 * A set of radio buttons on the same line, without a static above
290 * them. Otherwise just like radioline.
292 void bareradioline(struct ctlpos *cp, int nacross, ...)
295 struct radio *buttons;
298 va_start(ap, nacross);
301 char *btext = va_arg(ap, char *);
305 bid = va_arg(ap, int);
308 buttons = snewn(nbuttons, struct radio);
309 va_start(ap, nacross);
310 for (i = 0; i < nbuttons; i++) {
311 buttons[i].text = va_arg(ap, char *);
312 buttons[i].id = va_arg(ap, int);
315 radioline_common(cp, NULL, 0, nacross, buttons, nbuttons);
320 * A set of radio buttons on multiple lines, with a static above
323 void radiobig(struct ctlpos *cp, char *text, int id, ...)
326 struct radio *buttons;
332 char *btext = va_arg(ap, char *);
336 bid = va_arg(ap, int);
339 buttons = snewn(nbuttons, struct radio);
341 for (i = 0; i < nbuttons; i++) {
342 buttons[i].text = va_arg(ap, char *);
343 buttons[i].id = va_arg(ap, int);
346 radioline_common(cp, text, id, 1, buttons, nbuttons);
351 * A single standalone checkbox.
353 void checkbox(struct ctlpos *cp, char *text, int id)
360 r.bottom = CHECKBOXHEIGHT;
361 cp->ypos += r.bottom + GAPBETWEEN;
362 doctl(cp, r, "BUTTON",
363 BS_NOTIFY | BS_AUTOCHECKBOX | WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0,
368 * Wrap a piece of text for a static text control. Returns the
369 * wrapped text (a malloc'ed string containing \ns), and also
370 * returns the number of lines required.
372 char *staticwrap(struct ctlpos *cp, HWND hwnd, char *text, int *lines)
374 HDC hdc = GetDC(hwnd);
375 int lpx = GetDeviceCaps(hdc, LOGPIXELSX);
376 int width, nlines, j;
381 HFONT oldfont, newfont;
383 ret = snewn(1+strlen(text), char);
386 pwidths = snewn(1+strlen(text), INT);
389 * Work out the width the text will need to fit in, by doing
390 * the same adjustment that the `statictext' function itself
393 SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */
394 r.left = r.top = r.bottom = 0;
396 MapDialogRect(hwnd, &r);
402 * We must select the correct font into the HDC before calling
403 * GetTextExtent*, or silly things will happen.
405 newfont = (HFONT)SendMessage(hwnd, WM_GETFONT, 0, 0);
406 oldfont = SelectObject(hdc, newfont);
409 if (!GetTextExtentExPoint(hdc, p, strlen(p), width,
410 &nfit, pwidths, &size) ||
411 (size_t)nfit >= strlen(p)) {
413 * Either GetTextExtentExPoint returned failure, or the
414 * whole of the rest of the text fits on this line.
415 * Either way, we stop wrapping, copy the remainder of
416 * the input string unchanged to the output, and leave.
423 * Now we search backwards along the string from `nfit',
424 * looking for a space at which to break the line. If we
425 * don't find one at all, that's fine - we'll just break
426 * the line at `nfit'.
428 for (j = nfit; j > 0; j--) {
429 if (isspace((unsigned char)p[j])) {
440 while (*p && isspace((unsigned char)*p))
446 SelectObject(hdc, oldfont);
447 ReleaseDC(cp->hwnd, hdc);
449 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) {
1043 SendDlgItemMessage(hwnd, hdl->listid,
1044 LB_ADDSTRING, 0, (LPARAM) "");
1046 hdl->srcitem = LBItemFromPt(dlm->hWnd, dlm->ptCursor, TRUE);
1048 /* XXX hack Q183115 */
1049 SetWindowLong(hwnd, DWL_MSGRESULT, TRUE);
1052 DrawInsert(hwnd, dlm->hWnd, -1); /* Clear arrow */
1053 SendDlgItemMessage(hwnd, hdl->listid,
1054 LB_DELETESTRING, hdl->dummyitem, 0);
1059 dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE);
1060 if (dest > hdl->dummyitem) dest = hdl->dummyitem;
1061 DrawInsert (hwnd, dlm->hWnd, dest);
1063 SetWindowLong(hwnd, DWL_MSGRESULT, DL_MOVECURSOR);
1065 SetWindowLong(hwnd, DWL_MSGRESULT, DL_STOPCURSOR);
1068 if (hdl->dragging) {
1069 dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE);
1070 if (dest > hdl->dummyitem) dest = hdl->dummyitem;
1071 DrawInsert (hwnd, dlm->hWnd, -1);
1073 SendDlgItemMessage(hwnd, hdl->listid,
1074 LB_DELETESTRING, hdl->dummyitem, 0);
1075 if (hdl->dragging) {
1078 /* Correct for "missing" item. */
1079 if (dest > hdl->srcitem) dest--;
1080 pl_moveitem(hwnd, hdl->listid, hdl->srcitem, dest);
1090 if (((LOWORD(wParam) == hdl->upbid) ||
1091 (LOWORD(wParam) == hdl->dnbid)) &&
1092 ((HIWORD(wParam) == BN_CLICKED) ||
1093 (HIWORD(wParam) == BN_DOUBLECLICKED))) {
1094 /* Move an item up or down the list. */
1095 /* Get the current selection, if any. */
1096 int selection = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCURSEL, 0, 0);
1097 if (selection == LB_ERR) {
1101 /* Get the total number of items. */
1102 nitems = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCOUNT, 0, 0);
1103 /* Should we do anything? */
1104 if (LOWORD(wParam) == hdl->upbid && (selection > 0))
1105 pl_moveitem(hwnd, hdl->listid, selection, selection - 1);
1106 else if (LOWORD(wParam) == hdl->dnbid && (selection < nitems - 1))
1107 pl_moveitem(hwnd, hdl->listid, selection, selection + 1);
1116 /* Update array to match the list box. */
1117 for (i=0; i < maxmemb; i++)
1118 array[i] = SendDlgItemMessage (hwnd, hdl->listid, LB_GETITEMDATA,
1126 * A progress bar (from Common Controls). We like our progress bars
1127 * to be smooth and unbroken, without those ugly divisions; some
1128 * older compilers may not support that, but that's life.
1130 void progressbar(struct ctlpos *cp, int id)
1134 r.left = GAPBETWEEN;
1136 r.right = cp->width;
1137 r.bottom = PROGBARHEIGHT;
1138 cp->ypos += r.bottom + GAPBETWEEN;
1140 doctl(cp, r, PROGRESS_CLASS, WS_CHILD | WS_VISIBLE
1144 , WS_EX_CLIENTEDGE, "", id);
1147 /* ----------------------------------------------------------------------
1148 * Platform-specific side of portable dialog-box mechanism.
1152 * This function takes a string, escapes all the ampersands, and
1153 * places a single (unescaped) ampersand in front of the first
1154 * occurrence of the given shortcut character (which may be
1157 * Return value is a malloc'ed copy of the processed version of the
1160 static char *shortcut_escape(char *text, char shortcut)
1166 return NULL; /* sfree won't choke on this */
1168 ret = snewn(2*strlen(text)+1, char); /* size potentially doubles! */
1169 shortcut = tolower((unsigned char)shortcut);
1174 if (shortcut != NO_SHORTCUT &&
1175 tolower((unsigned char)*p) == shortcut) {
1177 shortcut = NO_SHORTCUT; /* stop it happening twice */
1178 } else if (*p == '&') {
1187 void winctrl_add_shortcuts(struct dlgparam *dp, struct winctrl *c)
1190 for (i = 0; i < lenof(c->shortcuts); i++)
1191 if (c->shortcuts[i] != NO_SHORTCUT) {
1192 unsigned char s = tolower((unsigned char)c->shortcuts[i]);
1193 assert(!dp->shortcuts[s]);
1194 dp->shortcuts[s] = TRUE;
1198 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c)
1201 for (i = 0; i < lenof(c->shortcuts); i++)
1202 if (c->shortcuts[i] != NO_SHORTCUT) {
1203 unsigned char s = tolower((unsigned char)c->shortcuts[i]);
1204 assert(dp->shortcuts[s]);
1205 dp->shortcuts[s] = FALSE;
1209 static int winctrl_cmp_byctrl(void *av, void *bv)
1211 struct winctrl *a = (struct winctrl *)av;
1212 struct winctrl *b = (struct winctrl *)bv;
1213 if (a->ctrl < b->ctrl)
1215 else if (a->ctrl > b->ctrl)
1220 static int winctrl_cmp_byid(void *av, void *bv)
1222 struct winctrl *a = (struct winctrl *)av;
1223 struct winctrl *b = (struct winctrl *)bv;
1224 if (a->base_id < b->base_id)
1226 else if (a->base_id > b->base_id)
1231 static int winctrl_cmp_byctrl_find(void *av, void *bv)
1233 union control *a = (union control *)av;
1234 struct winctrl *b = (struct winctrl *)bv;
1237 else if (a > b->ctrl)
1242 static int winctrl_cmp_byid_find(void *av, void *bv)
1245 struct winctrl *b = (struct winctrl *)bv;
1246 if (*a < b->base_id)
1248 else if (*a >= b->base_id + b->num_ids)
1254 void winctrl_init(struct winctrls *wc)
1256 wc->byctrl = newtree234(winctrl_cmp_byctrl);
1257 wc->byid = newtree234(winctrl_cmp_byid);
1259 void winctrl_cleanup(struct winctrls *wc)
1263 while ((c = index234(wc->byid, 0)) != NULL) {
1264 winctrl_remove(wc, c);
1269 freetree234(wc->byctrl);
1270 freetree234(wc->byid);
1271 wc->byctrl = wc->byid = NULL;
1274 void winctrl_add(struct winctrls *wc, struct winctrl *c)
1276 struct winctrl *ret;
1278 ret = add234(wc->byctrl, c);
1281 ret = add234(wc->byid, c);
1285 void winctrl_remove(struct winctrls *wc, struct winctrl *c)
1287 struct winctrl *ret;
1288 ret = del234(wc->byctrl, c);
1289 ret = del234(wc->byid, c);
1293 struct winctrl *winctrl_findbyctrl(struct winctrls *wc, union control *ctrl)
1295 return find234(wc->byctrl, ctrl, winctrl_cmp_byctrl_find);
1298 struct winctrl *winctrl_findbyid(struct winctrls *wc, int id)
1300 return find234(wc->byid, &id, winctrl_cmp_byid_find);
1303 struct winctrl *winctrl_findbyindex(struct winctrls *wc, int index)
1305 return index234(wc->byid, index);
1308 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
1309 struct ctlpos *cp, struct controlset *s, int *id)
1311 struct ctlpos columns[16];
1312 int ncols, colstart, colspan;
1314 struct ctlpos tabdelays[16];
1315 union control *tabdelayed[16];
1320 char shortcuts[MAX_SHORTCUTS_PER_CTRL];
1323 int i, actual_base_id, base_id, num_ids;
1328 /* Start a containing box, if we have a boxname. */
1329 if (s->boxname && *s->boxname) {
1330 struct winctrl *c = snew(struct winctrl);
1332 c->base_id = base_id;
1335 memset(c->shortcuts, NO_SHORTCUT, lenof(c->shortcuts));
1337 beginbox(cp, s->boxtitle, base_id);
1341 /* Draw a title, if we have one. */
1342 if (!s->boxname && s->boxtitle) {
1343 struct winctrl *c = snew(struct winctrl);
1345 c->base_id = base_id;
1347 c->data = dupstr(s->boxtitle);
1348 memset(c->shortcuts, NO_SHORTCUT, lenof(c->shortcuts));
1350 paneltitle(cp, base_id);
1354 /* Initially we have just one column. */
1356 columns[0] = *cp; /* structure copy */
1358 /* And initially, there are no pending tab-delayed controls. */
1361 /* Loop over each control in the controlset. */
1362 for (i = 0; i < s->ncontrols; i++) {
1363 union control *ctrl = s->ctrls[i];
1366 * Generic processing that pertains to all control types.
1367 * At the end of this if statement, we'll have produced
1368 * `ctrl' (a pointer to the control we have to create, or
1369 * think about creating, in this iteration of the loop),
1370 * `pos' (a suitable ctlpos with which to position it), and
1371 * `c' (a winctrl structure to receive details of the
1372 * dialog IDs). Or we'll have done a `continue', if it was
1373 * CTRL_COLUMNS and doesn't require any control creation at
1376 if (ctrl->generic.type == CTRL_COLUMNS) {
1377 assert((ctrl->columns.ncols == 1) ^ (ncols == 1));
1381 * We're splitting into multiple columns.
1383 int lpercent, rpercent, lx, rx, i;
1385 ncols = ctrl->columns.ncols;
1386 assert(ncols <= lenof(columns));
1387 for (i = 1; i < ncols; i++)
1388 columns[i] = columns[0]; /* structure copy */
1391 for (i = 0; i < ncols; i++) {
1392 rpercent = lpercent + ctrl->columns.percentages[i];
1393 lx = columns[i].xoff + lpercent *
1394 (columns[i].width + GAPBETWEEN) / 100;
1395 rx = columns[i].xoff + rpercent *
1396 (columns[i].width + GAPBETWEEN) / 100;
1397 columns[i].xoff = lx;
1398 columns[i].width = rx - lx - GAPBETWEEN;
1399 lpercent = rpercent;
1403 * We're recombining the various columns into one.
1405 int maxy = columns[0].ypos;
1407 for (i = 1; i < ncols; i++)
1408 if (maxy < columns[i].ypos)
1409 maxy = columns[i].ypos;
1411 columns[0] = *cp; /* structure copy */
1412 columns[0].ypos = maxy;
1416 } else if (ctrl->generic.type == CTRL_TABDELAY) {
1419 assert(!ctrl->generic.tabdelay);
1420 ctrl = ctrl->tabdelay.ctrl;
1422 for (i = 0; i < ntabdelays; i++)
1423 if (tabdelayed[i] == ctrl)
1425 assert(i < ntabdelays); /* we have to have found it */
1427 pos = tabdelays[i]; /* structure copy */
1429 colstart = colspan = -1; /* indicate this was tab-delayed */
1433 * If it wasn't one of those, it's a genuine control;
1434 * so we'll have to compute a position for it now, by
1435 * checking its column span.
1439 colstart = COLUMN_START(ctrl->generic.column);
1440 colspan = COLUMN_SPAN(ctrl->generic.column);
1442 pos = columns[colstart]; /* structure copy */
1443 pos.width = columns[colstart+colspan-1].width +
1444 (columns[colstart+colspan-1].xoff - columns[colstart].xoff);
1446 for (col = colstart; col < colstart+colspan; col++)
1447 if (pos.ypos < columns[col].ypos)
1448 pos.ypos = columns[col].ypos;
1451 * If this control is to be tabdelayed, add it to the
1452 * tabdelay list, and unset pos.hwnd to inhibit actual
1455 if (ctrl->generic.tabdelay) {
1456 assert(ntabdelays < lenof(tabdelays));
1457 tabdelays[ntabdelays] = pos; /* structure copy */
1458 tabdelayed[ntabdelays] = ctrl;
1464 /* Most controls don't need anything in c->data. */
1467 /* And they all start off with no shortcuts registered. */
1468 memset(shortcuts, NO_SHORTCUT, lenof(shortcuts));
1471 /* Almost all controls start at base_id. */
1472 actual_base_id = base_id;
1475 * Now we're ready to actually create the control, by
1476 * switching on its type.
1478 switch (ctrl->generic.type) {
1481 char *wrapped, *escaped;
1484 wrapped = staticwrap(&pos, cp->hwnd,
1485 ctrl->generic.label, &lines);
1486 escaped = shortcut_escape(wrapped, NO_SHORTCUT);
1487 statictext(&pos, escaped, lines, base_id);
1493 num_ids = 2; /* static, edit */
1494 escaped = shortcut_escape(ctrl->editbox.label,
1495 ctrl->editbox.shortcut);
1496 shortcuts[nshortcuts++] = ctrl->editbox.shortcut;
1497 if (ctrl->editbox.percentwidth == 100) {
1498 if (ctrl->editbox.has_list)
1499 combobox(&pos, escaped,
1500 base_id, base_id+1);
1502 editboxfw(&pos, ctrl->editbox.password, escaped,
1503 base_id, base_id+1);
1505 if (ctrl->editbox.has_list) {
1506 staticcombo(&pos, escaped, base_id, base_id+1,
1507 ctrl->editbox.percentwidth);
1509 (ctrl->editbox.password ? staticpassedit : staticedit)
1510 (&pos, escaped, base_id, base_id+1,
1511 ctrl->editbox.percentwidth);
1517 num_ids = ctrl->radio.nbuttons + 1; /* label as well */
1519 struct radio *buttons;
1522 escaped = shortcut_escape(ctrl->radio.label,
1523 ctrl->radio.shortcut);
1524 shortcuts[nshortcuts++] = ctrl->radio.shortcut;
1526 buttons = snewn(ctrl->radio.nbuttons, struct radio);
1528 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1530 shortcut_escape(ctrl->radio.buttons[i],
1531 (char)(ctrl->radio.shortcuts ?
1532 ctrl->radio.shortcuts[i] :
1534 buttons[i].id = base_id + 1 + i;
1535 if (ctrl->radio.shortcuts) {
1536 assert(nshortcuts < MAX_SHORTCUTS_PER_CTRL);
1537 shortcuts[nshortcuts++] = ctrl->radio.shortcuts[i];
1541 radioline_common(&pos, escaped, base_id,
1542 ctrl->radio.ncolumns,
1543 buttons, ctrl->radio.nbuttons);
1545 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1546 sfree(buttons[i].text);
1554 escaped = shortcut_escape(ctrl->checkbox.label,
1555 ctrl->checkbox.shortcut);
1556 shortcuts[nshortcuts++] = ctrl->checkbox.shortcut;
1557 checkbox(&pos, escaped, base_id);
1561 escaped = shortcut_escape(ctrl->button.label,
1562 ctrl->button.shortcut);
1563 shortcuts[nshortcuts++] = ctrl->button.shortcut;
1564 if (ctrl->button.iscancel)
1565 actual_base_id = IDCANCEL;
1567 button(&pos, escaped, actual_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 = snew(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 = snewn(ctrl->listbox.ncols-1, 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 = snew(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 = snew(struct winctrl);
1655 c->base_id = actual_base_id;
1656 c->num_ids = num_ids;
1658 memcpy(c->shortcuts, shortcuts, sizeof(shortcuts));
1660 winctrl_add_shortcuts(dp, c);
1661 if (actual_base_id == base_id)
1665 if (colstart >= 0) {
1667 * Update the ypos in all columns crossed by this
1671 for (i = colstart; i < colstart+colspan; i++)
1672 columns[i].ypos = pos.ypos;
1677 * We've now finished laying out the controls; so now update
1678 * the ctlpos and control ID that were passed in, terminate
1679 * any containing box, and return.
1681 for (i = 0; i < ncols; i++)
1682 if (cp->ypos < columns[i].ypos)
1683 cp->ypos = columns[i].ypos;
1686 if (s->boxname && *s->boxname)
1690 static void winctrl_set_focus(union control *ctrl, struct dlgparam *dp,
1695 dp->lastfocused = dp->focused;
1697 } else if (!has_focus && dp->focused == ctrl) {
1698 dp->lastfocused = dp->focused;
1703 union control *dlg_last_focused(union control *ctrl, void *dlg)
1705 struct dlgparam *dp = (struct dlgparam *)dlg;
1706 return dp->focused == ctrl ? dp->lastfocused : dp->focused;
1710 * The dialog-box procedure calls this function to handle Windows
1711 * messages on a control we manage.
1713 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
1714 WPARAM wParam, LPARAM lParam)
1717 union control *ctrl;
1719 static UINT draglistmsg = WM_NULL;
1722 * Filter out pointless window messages. Our interest is in
1723 * WM_COMMAND and the drag list message, and nothing else.
1725 if (draglistmsg == WM_NULL)
1726 draglistmsg = RegisterWindowMessage (DRAGLISTMSGSTRING);
1728 if (msg != draglistmsg && msg != WM_COMMAND && msg != WM_DRAWITEM)
1732 * Look up the control ID in our data.
1735 for (i = 0; i < dp->nctrltrees; i++) {
1736 c = winctrl_findbyid(dp->controltrees[i], LOWORD(wParam));
1741 return 0; /* we have nothing to do */
1743 if (msg == WM_DRAWITEM) {
1745 * Owner-draw request for a panel title.
1747 LPDRAWITEMSTRUCT di = (LPDRAWITEMSTRUCT) lParam;
1749 RECT r = di->rcItem;
1752 SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */
1754 GetTextExtentPoint32(hdc, (char *)c->data,
1755 strlen((char *)c->data), &s);
1756 DrawEdge(hdc, &r, EDGE_ETCHED, BF_ADJUST | BF_RECT);
1758 r.left + (r.right-r.left-s.cx)/2,
1759 r.top + (r.bottom-r.top-s.cy)/2,
1760 (char *)c->data, strlen((char *)c->data));
1766 id = LOWORD(wParam) - c->base_id;
1768 if (!ctrl || !ctrl->generic.handler)
1769 return 0; /* nothing we can do here */
1772 * From here on we do not issue `return' statements until the
1773 * very end of the dialog box: any event handler is entitled to
1774 * ask for a colour selector, so we _must_ always allow control
1775 * to reach the end of this switch statement so that the
1776 * subsequent code can test dp->coloursel_wanted().
1779 dp->coloursel_wanted = FALSE;
1782 * Now switch on the control type and the message.
1784 switch (ctrl->generic.type) {
1786 if (msg == WM_COMMAND && !ctrl->editbox.has_list &&
1787 (HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS))
1788 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS);
1789 if (msg == WM_COMMAND && ctrl->editbox.has_list &&
1790 (HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS))
1791 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS);
1793 if (msg == WM_COMMAND && !ctrl->editbox.has_list &&
1794 HIWORD(wParam) == EN_CHANGE)
1795 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1796 if (msg == WM_COMMAND &&
1797 ctrl->editbox.has_list) {
1798 if (HIWORD(wParam) == CBN_SELCHANGE) {
1802 index = SendDlgItemMessage(dp->hwnd, c->base_id+1,
1803 CB_GETCURSEL, 0, 0);
1804 len = SendDlgItemMessage(dp->hwnd, c->base_id+1,
1805 CB_GETLBTEXTLEN, index, 0);
1806 text = snewn(len+1, char);
1807 SendDlgItemMessage(dp->hwnd, c->base_id+1, CB_GETLBTEXT,
1808 index, (LPARAM)text);
1809 SetDlgItemText(dp->hwnd, c->base_id+1, text);
1811 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1812 } else if (HIWORD(wParam) == CBN_EDITCHANGE) {
1813 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1814 } else if (HIWORD(wParam) == CBN_KILLFOCUS) {
1815 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
1821 if (msg == WM_COMMAND &&
1822 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1823 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1825 * We sometimes get spurious BN_CLICKED messages for the
1826 * radio button that is just about to _lose_ selection, if
1827 * we're switching using the arrow keys. Therefore we
1828 * double-check that the button in wParam is actually
1829 * checked before generating an event.
1831 if (msg == WM_COMMAND &&
1832 (HIWORD(wParam) == BN_CLICKED ||
1833 HIWORD(wParam) == BN_DOUBLECLICKED) &&
1834 IsDlgButtonChecked(dp->hwnd, LOWORD(wParam))) {
1835 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1839 if (msg == WM_COMMAND &&
1840 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1841 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1842 if (msg == WM_COMMAND &&
1843 (HIWORD(wParam) == BN_CLICKED ||
1844 HIWORD(wParam) == BN_DOUBLECLICKED)) {
1845 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1849 if (msg == WM_COMMAND &&
1850 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1851 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1852 if (msg == WM_COMMAND &&
1853 (HIWORD(wParam) == BN_CLICKED ||
1854 HIWORD(wParam) == BN_DOUBLECLICKED)) {
1855 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION);
1859 if (msg == WM_COMMAND && ctrl->listbox.height != 0 &&
1860 (HIWORD(wParam)==LBN_SETFOCUS || HIWORD(wParam)==LBN_KILLFOCUS))
1861 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == LBN_SETFOCUS);
1862 if (msg == WM_COMMAND && ctrl->listbox.height == 0 &&
1863 (HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS))
1864 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS);
1865 if (msg == WM_COMMAND && id >= 2 &&
1866 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1867 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1868 if (ctrl->listbox.draglist) {
1870 pret = handle_prefslist(c->data, NULL, 0, (msg != WM_COMMAND),
1871 dp->hwnd, wParam, lParam);
1873 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1876 if (msg == WM_COMMAND && HIWORD(wParam) == LBN_DBLCLK) {
1877 SetCapture(dp->hwnd);
1878 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION);
1879 } else if (msg == WM_COMMAND && HIWORD(wParam) == LBN_SELCHANGE) {
1880 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_SELCHANGE);
1884 case CTRL_FILESELECT:
1885 if (msg == WM_COMMAND && id == 1 &&
1886 (HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS))
1887 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS);
1888 if (msg == WM_COMMAND && id == 2 &&
1889 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1890 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1891 if (msg == WM_COMMAND && id == 1 && HIWORD(wParam) == EN_CHANGE)
1892 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1894 (msg == WM_COMMAND &&
1895 (HIWORD(wParam) == BN_CLICKED ||
1896 HIWORD(wParam) == BN_DOUBLECLICKED))) {
1898 char filename[FILENAME_MAX];
1900 memset(&of, 0, sizeof(of));
1901 of.hwndOwner = dp->hwnd;
1902 if (ctrl->fileselect.filter)
1903 of.lpstrFilter = ctrl->fileselect.filter;
1905 of.lpstrFilter = "All Files (*.*)\0*\0\0\0";
1906 of.lpstrCustomFilter = NULL;
1907 of.nFilterIndex = 1;
1908 of.lpstrFile = filename;
1909 GetDlgItemText(dp->hwnd, c->base_id+1, filename, lenof(filename));
1910 filename[lenof(filename)-1] = '\0';
1911 of.nMaxFile = lenof(filename);
1912 of.lpstrFileTitle = NULL;
1913 of.lpstrTitle = ctrl->fileselect.title;
1915 if (request_file(NULL, &of, FALSE, ctrl->fileselect.for_writing)) {
1916 SetDlgItemText(dp->hwnd, c->base_id + 1, filename);
1917 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1921 case CTRL_FONTSELECT:
1922 if (msg == WM_COMMAND && id == 2 &&
1923 (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
1924 winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
1926 (msg == WM_COMMAND &&
1927 (HIWORD(wParam) == BN_CLICKED ||
1928 HIWORD(wParam) == BN_DOUBLECLICKED))) {
1932 FontSpec fs = *(FontSpec *)c->data;
1935 lf.lfHeight = -MulDiv(fs.height,
1936 GetDeviceCaps(hdc, LOGPIXELSY), 72);
1938 lf.lfWidth = lf.lfEscapement = lf.lfOrientation = 0;
1939 lf.lfItalic = lf.lfUnderline = lf.lfStrikeOut = 0;
1940 lf.lfWeight = (fs.isbold ? FW_BOLD : 0);
1941 lf.lfCharSet = fs.charset;
1942 lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
1943 lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
1944 lf.lfQuality = DEFAULT_QUALITY;
1945 lf.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;
1946 strncpy(lf.lfFaceName, fs.name,
1947 sizeof(lf.lfFaceName) - 1);
1948 lf.lfFaceName[sizeof(lf.lfFaceName) - 1] = '\0';
1950 cf.lStructSize = sizeof(cf);
1951 cf.hwndOwner = dp->hwnd;
1953 cf.Flags = CF_FIXEDPITCHONLY | CF_FORCEFONTEXIST |
1954 CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS;
1956 if (ChooseFont(&cf)) {
1957 strncpy(fs.name, lf.lfFaceName,
1958 sizeof(fs.name) - 1);
1959 fs.name[sizeof(fs.name) - 1] = '\0';
1960 fs.isbold = (lf.lfWeight == FW_BOLD);
1961 fs.charset = lf.lfCharSet;
1962 fs.height = cf.iPointSize / 10;
1963 dlg_fontsel_set(ctrl, dp, fs);
1964 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
1971 * If the above event handler has asked for a colour selector,
1972 * now is the time to generate one.
1974 if (dp->coloursel_wanted) {
1975 static CHOOSECOLOR cc;
1976 static DWORD custom[16] = { 0 }; /* zero initialisers */
1977 cc.lStructSize = sizeof(cc);
1978 cc.hwndOwner = dp->hwnd;
1979 cc.hInstance = (HWND) hinst;
1980 cc.lpCustColors = custom;
1981 cc.rgbResult = RGB(dp->coloursel_result.r,
1982 dp->coloursel_result.g,
1983 dp->coloursel_result.b);
1984 cc.Flags = CC_FULLOPEN | CC_RGBINIT;
1985 if (ChooseColor(&cc)) {
1986 dp->coloursel_result.r =
1987 (unsigned char) (cc.rgbResult & 0xFF);
1988 dp->coloursel_result.g =
1989 (unsigned char) (cc.rgbResult >> 8) & 0xFF;
1990 dp->coloursel_result.b =
1991 (unsigned char) (cc.rgbResult >> 16) & 0xFF;
1992 dp->coloursel_result.ok = TRUE;
1994 dp->coloursel_result.ok = FALSE;
1995 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_CALLBACK);
2002 * This function can be called to produce context help on a
2003 * control. Returns TRUE if it has actually launched WinHelp.
2005 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id)
2012 * Look up the control ID in our data.
2015 for (i = 0; i < dp->nctrltrees; i++) {
2016 c = winctrl_findbyid(dp->controltrees[i], id);
2021 return 0; /* we have nothing to do */
2024 * This is the Windows front end, so we're allowed to assume
2025 * `helpctx.p' is a context string.
2027 if (!c->ctrl || !c->ctrl->generic.helpctx.p)
2028 return 0; /* no help available for this ctrl */
2030 cmd = dupprintf("JI(`',`%s')", c->ctrl->generic.helpctx.p);
2031 WinHelp(hwnd, help_path, HELP_COMMAND, (DWORD)cmd);
2037 * Now the various functions that the platform-independent
2038 * mechanism can call to access the dialog box entries.
2041 static struct winctrl *dlg_findbyctrl(struct dlgparam *dp, union control *ctrl)
2045 for (i = 0; i < dp->nctrltrees; i++) {
2046 struct winctrl *c = winctrl_findbyctrl(dp->controltrees[i], ctrl);
2053 void dlg_radiobutton_set(union control *ctrl, void *dlg, int whichbutton)
2055 struct dlgparam *dp = (struct dlgparam *)dlg;
2056 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2057 assert(c && c->ctrl->generic.type == CTRL_RADIO);
2058 CheckRadioButton(dp->hwnd,
2060 c->base_id + c->ctrl->radio.nbuttons,
2061 c->base_id + 1 + whichbutton);
2064 int dlg_radiobutton_get(union control *ctrl, void *dlg)
2066 struct dlgparam *dp = (struct dlgparam *)dlg;
2067 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2069 assert(c && c->ctrl->generic.type == CTRL_RADIO);
2070 for (i = 0; i < c->ctrl->radio.nbuttons; i++)
2071 if (IsDlgButtonChecked(dp->hwnd, c->base_id + 1 + i))
2073 assert(!"No radio button was checked?!");
2077 void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
2079 struct dlgparam *dp = (struct dlgparam *)dlg;
2080 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2081 assert(c && c->ctrl->generic.type == CTRL_CHECKBOX);
2082 CheckDlgButton(dp->hwnd, c->base_id, (checked != 0));
2085 int dlg_checkbox_get(union control *ctrl, void *dlg)
2087 struct dlgparam *dp = (struct dlgparam *)dlg;
2088 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2089 assert(c && c->ctrl->generic.type == CTRL_CHECKBOX);
2090 return 0 != IsDlgButtonChecked(dp->hwnd, c->base_id);
2093 void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
2095 struct dlgparam *dp = (struct dlgparam *)dlg;
2096 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2097 assert(c && c->ctrl->generic.type == CTRL_EDITBOX);
2098 SetDlgItemText(dp->hwnd, c->base_id+1, text);
2101 void dlg_editbox_get(union control *ctrl, void *dlg, char *buffer, int length)
2103 struct dlgparam *dp = (struct dlgparam *)dlg;
2104 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2105 assert(c && c->ctrl->generic.type == CTRL_EDITBOX);
2106 GetDlgItemText(dp->hwnd, c->base_id+1, buffer, length);
2107 buffer[length-1] = '\0';
2110 /* The `listbox' functions can also apply to combo boxes. */
2111 void dlg_listbox_clear(union control *ctrl, void *dlg)
2113 struct dlgparam *dp = (struct dlgparam *)dlg;
2114 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2117 (c->ctrl->generic.type == CTRL_LISTBOX ||
2118 (c->ctrl->generic.type == CTRL_EDITBOX &&
2119 c->ctrl->editbox.has_list)));
2120 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2121 LB_RESETCONTENT : CB_RESETCONTENT);
2122 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
2125 void dlg_listbox_del(union control *ctrl, void *dlg, int index)
2127 struct dlgparam *dp = (struct dlgparam *)dlg;
2128 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2131 (c->ctrl->generic.type == CTRL_LISTBOX ||
2132 (c->ctrl->generic.type == CTRL_EDITBOX &&
2133 c->ctrl->editbox.has_list)));
2134 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2135 LB_DELETESTRING : CB_DELETESTRING);
2136 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
2139 void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
2141 struct dlgparam *dp = (struct dlgparam *)dlg;
2142 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2145 (c->ctrl->generic.type == CTRL_LISTBOX ||
2146 (c->ctrl->generic.type == CTRL_EDITBOX &&
2147 c->ctrl->editbox.has_list)));
2148 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2149 LB_ADDSTRING : CB_ADDSTRING);
2150 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text);
2154 * Each listbox entry may have a numeric id associated with it.
2155 * Note that some front ends only permit a string to be stored at
2156 * each position, which means that _if_ you put two identical
2157 * strings in any listbox then you MUST not assign them different
2158 * IDs and expect to get meaningful results back.
2160 void dlg_listbox_addwithid(union control *ctrl, void *dlg,
2161 char const *text, int id)
2163 struct dlgparam *dp = (struct dlgparam *)dlg;
2164 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2165 int msg, msg2, index;
2167 (c->ctrl->generic.type == CTRL_LISTBOX ||
2168 (c->ctrl->generic.type == CTRL_EDITBOX &&
2169 c->ctrl->editbox.has_list)));
2170 msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2171 LB_ADDSTRING : CB_ADDSTRING);
2172 msg2 = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
2173 LB_SETITEMDATA : CB_SETITEMDATA);
2174 index = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text);
2175 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg2, index, (LPARAM)id);
2178 int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
2180 struct dlgparam *dp = (struct dlgparam *)dlg;
2181 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2183 assert(c && c->ctrl->generic.type == CTRL_LISTBOX);
2184 msg = (c->ctrl->listbox.height != 0 ? LB_GETITEMDATA : CB_GETITEMDATA);
2186 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
2189 /* dlg_listbox_index returns <0 if no single element is selected. */
2190 int dlg_listbox_index(union control *ctrl, void *dlg)
2192 struct dlgparam *dp = (struct dlgparam *)dlg;
2193 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2195 assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
2196 !c->ctrl->listbox.multisel);
2197 msg = (c->ctrl->listbox.height != 0 ? LB_GETCURSEL : CB_GETCURSEL);
2198 ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
2205 int dlg_listbox_issel(union control *ctrl, void *dlg, int index)
2207 struct dlgparam *dp = (struct dlgparam *)dlg;
2208 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2209 assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
2210 c->ctrl->listbox.multisel &&
2211 c->ctrl->listbox.height != 0);
2213 SendDlgItemMessage(dp->hwnd, c->base_id+1, LB_GETSEL, index, 0);
2216 void dlg_listbox_select(union control *ctrl, void *dlg, int index)
2218 struct dlgparam *dp = (struct dlgparam *)dlg;
2219 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2221 assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
2222 !c->ctrl->listbox.multisel);
2223 msg = (c->ctrl->listbox.height != 0 ? LB_SETCURSEL : CB_SETCURSEL);
2224 SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
2227 void dlg_text_set(union control *ctrl, void *dlg, char const *text)
2229 struct dlgparam *dp = (struct dlgparam *)dlg;
2230 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2231 assert(c && c->ctrl->generic.type == CTRL_TEXT);
2232 SetDlgItemText(dp->hwnd, c->base_id, text);
2235 void dlg_filesel_set(union control *ctrl, void *dlg, Filename fn)
2237 struct dlgparam *dp = (struct dlgparam *)dlg;
2238 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2239 assert(c && c->ctrl->generic.type == CTRL_FILESELECT);
2240 SetDlgItemText(dp->hwnd, c->base_id+1, fn.path);
2243 void dlg_filesel_get(union control *ctrl, void *dlg, Filename *fn)
2245 struct dlgparam *dp = (struct dlgparam *)dlg;
2246 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2247 assert(c && c->ctrl->generic.type == CTRL_FILESELECT);
2248 GetDlgItemText(dp->hwnd, c->base_id+1, fn->path, lenof(fn->path));
2249 fn->path[lenof(fn->path)-1] = '\0';
2252 void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec fs)
2254 char *buf, *boldstr;
2255 struct dlgparam *dp = (struct dlgparam *)dlg;
2256 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2257 assert(c && c->ctrl->generic.type == CTRL_FONTSELECT);
2259 *(FontSpec *)c->data = fs; /* structure copy */
2261 boldstr = (fs.isbold ? "bold, " : "");
2263 buf = dupprintf("Font: %s, %sdefault height", fs.name, boldstr);
2265 buf = dupprintf("Font: %s, %s%d-%s", fs.name, boldstr,
2266 (fs.height < 0 ? -fs.height : fs.height),
2267 (fs.height < 0 ? "pixel" : "point"));
2268 SetDlgItemText(dp->hwnd, c->base_id+1, buf);
2272 void dlg_fontsel_get(union control *ctrl, void *dlg, FontSpec *fs)
2274 struct dlgparam *dp = (struct dlgparam *)dlg;
2275 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2276 assert(c && c->ctrl->generic.type == CTRL_FONTSELECT);
2277 *fs = *(FontSpec *)c->data; /* structure copy */
2281 * Bracketing a large set of updates in these two functions will
2282 * cause the front end (if possible) to delay updating the screen
2283 * until it's all complete, thus avoiding flicker.
2285 void dlg_update_start(union control *ctrl, void *dlg)
2287 struct dlgparam *dp = (struct dlgparam *)dlg;
2288 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2289 if (c && c->ctrl->generic.type == CTRL_LISTBOX) {
2290 SendDlgItemMessage(dp->hwnd, c->base_id+1, WM_SETREDRAW, FALSE, 0);
2294 void dlg_update_done(union control *ctrl, void *dlg)
2296 struct dlgparam *dp = (struct dlgparam *)dlg;
2297 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2298 if (c && c->ctrl->generic.type == CTRL_LISTBOX) {
2299 HWND hw = GetDlgItem(dp->hwnd, c->base_id+1);
2300 SendMessage(hw, WM_SETREDRAW, TRUE, 0);
2301 InvalidateRect(hw, NULL, TRUE);
2305 void dlg_set_focus(union control *ctrl, void *dlg)
2307 struct dlgparam *dp = (struct dlgparam *)dlg;
2308 struct winctrl *c = dlg_findbyctrl(dp, ctrl);
2311 switch (ctrl->generic.type) {
2312 case CTRL_EDITBOX: id = c->base_id + 1; break;
2314 for (id = c->base_id + ctrl->radio.nbuttons; id > 1; id--)
2315 if (IsDlgButtonChecked(dp->hwnd, id))
2318 * In the theoretically-unlikely case that no button was
2319 * selected, id should come out of this as 1, which is a
2320 * reasonable enough choice.
2323 case CTRL_CHECKBOX: id = c->base_id; break;
2324 case CTRL_BUTTON: id = c->base_id; break;
2325 case CTRL_LISTBOX: id = c->base_id + 1; break;
2326 case CTRL_FILESELECT: id = c->base_id + 1; break;
2327 case CTRL_FONTSELECT: id = c->base_id + 2; break;
2328 default: id = c->base_id; break;
2330 ctl = GetDlgItem(dp->hwnd, id);
2335 * During event processing, you might well want to give an error
2336 * indication to the user. dlg_beep() is a quick and easy generic
2337 * error; dlg_error() puts up a message-box or equivalent.
2339 void dlg_beep(void *dlg)
2341 /* struct dlgparam *dp = (struct dlgparam *)dlg; */
2345 void dlg_error_msg(void *dlg, char *msg)
2347 struct dlgparam *dp = (struct dlgparam *)dlg;
2348 MessageBox(dp->hwnd, msg,
2349 dp->errtitle ? dp->errtitle : NULL,
2350 MB_OK | MB_ICONERROR);
2354 * This function signals to the front end that the dialog's
2355 * processing is completed, and passes an integer value (typically
2356 * a success status).
2358 void dlg_end(void *dlg, int value)
2360 struct dlgparam *dp = (struct dlgparam *)dlg;
2362 dp->endresult = value;
2365 void dlg_refresh(union control *ctrl, void *dlg)
2367 struct dlgparam *dp = (struct dlgparam *)dlg;
2373 * Send EVENT_REFRESH to absolutely everything.
2375 for (j = 0; j < dp->nctrltrees; j++) {
2377 (c = winctrl_findbyindex(dp->controltrees[j], i)) != NULL;
2379 if (c->ctrl && c->ctrl->generic.handler != NULL)
2380 c->ctrl->generic.handler(c->ctrl, dp,
2381 dp->data, EVENT_REFRESH);
2386 * Send EVENT_REFRESH to a specific control.
2388 if (ctrl->generic.handler != NULL)
2389 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
2393 void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b)
2395 struct dlgparam *dp = (struct dlgparam *)dlg;
2396 dp->coloursel_wanted = TRUE;
2397 dp->coloursel_result.r = r;
2398 dp->coloursel_result.g = g;
2399 dp->coloursel_result.b = b;
2402 int dlg_coloursel_results(union control *ctrl, void *dlg,
2403 int *r, int *g, int *b)
2405 struct dlgparam *dp = (struct dlgparam *)dlg;
2406 if (dp->coloursel_result.ok) {
2407 *r = dp->coloursel_result.r;
2408 *g = dp->coloursel_result.g;
2409 *b = dp->coloursel_result.b;
2415 struct perctrl_privdata {
2416 union control *ctrl;
2421 static int perctrl_privdata_cmp(void *av, void *bv)
2423 struct perctrl_privdata *a = (struct perctrl_privdata *)av;
2424 struct perctrl_privdata *b = (struct perctrl_privdata *)bv;
2425 if (a->ctrl < b->ctrl)
2427 else if (a->ctrl > b->ctrl)
2432 void dp_init(struct dlgparam *dp)
2437 dp->focused = dp->lastfocused = NULL;
2438 memset(dp->shortcuts, 0, sizeof(dp->shortcuts));
2440 dp->wintitle = dp->errtitle = NULL;
2441 dp->privdata = newtree234(perctrl_privdata_cmp);
2444 void dp_add_tree(struct dlgparam *dp, struct winctrls *wc)
2446 assert(dp->nctrltrees < lenof(dp->controltrees));
2447 dp->controltrees[dp->nctrltrees++] = wc;
2450 void dp_cleanup(struct dlgparam *dp)
2452 struct perctrl_privdata *p;
2455 while ( (p = index234(dp->privdata, 0)) != NULL ) {
2456 del234(dp->privdata, p);
2461 freetree234(dp->privdata);
2462 dp->privdata = NULL;
2464 sfree(dp->wintitle);
2465 sfree(dp->errtitle);
2468 void *dlg_get_privdata(union control *ctrl, void *dlg)
2470 struct dlgparam *dp = (struct dlgparam *)dlg;
2471 struct perctrl_privdata tmp, *p;
2473 p = find234(dp->privdata, &tmp, NULL);
2480 void dlg_set_privdata(union control *ctrl, void *dlg, void *ptr)
2482 struct dlgparam *dp = (struct dlgparam *)dlg;
2483 struct perctrl_privdata tmp, *p;
2485 p = find234(dp->privdata, &tmp, NULL);
2487 p = snew(struct perctrl_privdata);
2489 p->needs_free = FALSE;
2490 add234(dp->privdata, p);
2495 void *dlg_alloc_privdata(union control *ctrl, void *dlg, size_t size)
2497 struct dlgparam *dp = (struct dlgparam *)dlg;
2498 struct perctrl_privdata tmp, *p;
2500 p = find234(dp->privdata, &tmp, NULL);
2502 p = snew(struct perctrl_privdata);
2504 p->needs_free = FALSE;
2505 add234(dp->privdata, p);
2507 assert(!p->needs_free);
2508 p->needs_free = TRUE;
2510 * This is an internal allocation routine, so it's allowed to
2511 * use smalloc directly.
2513 p->data = smalloc(size);