X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/4494be0aa8c4b88c1c9c46318fcbf23e9f47f3d6..6da411554bfe4c2a8ddfbb0616b0030ea5e813f5:/windows/winctrls.c diff --git a/windows/winctrls.c b/windows/winctrls.c new file mode 100644 index 00000000..0fb4b9fc --- /dev/null +++ b/windows/winctrls.c @@ -0,0 +1,2535 @@ +/* + * winctrls.c: routines to self-manage the controls in a dialog + * box. + */ + +/* + * Possible TODO in new cross-platform config box stuff: + * + * - When lining up two controls alongside each other, I wonder if + * we could conveniently arrange to centre them vertically? + * Particularly ugly in the current setup is the `Add new + * forwarded port:' static next to the rather taller `Remove' + * button. + */ + +#include +#include + +#include "putty.h" +#include "misc.h" +#include "dialog.h" + +#include + +#define GAPBETWEEN 3 +#define GAPWITHIN 1 +#define GAPXBOX 7 +#define GAPYBOX 4 +#define DLGWIDTH 168 +#define STATICHEIGHT 8 +#define TITLEHEIGHT 12 +#define CHECKBOXHEIGHT 8 +#define RADIOHEIGHT 8 +#define EDITHEIGHT 12 +#define LISTHEIGHT 11 +#define LISTINCREMENT 8 +#define COMBOHEIGHT 12 +#define PUSHBTNHEIGHT 14 +#define PROGBARHEIGHT 14 + +void ctlposinit(struct ctlpos *cp, HWND hwnd, + int leftborder, int rightborder, int topborder) +{ + RECT r, r2; + cp->hwnd = hwnd; + cp->font = SendMessage(hwnd, WM_GETFONT, 0, 0); + cp->ypos = topborder; + GetClientRect(hwnd, &r); + r2.left = r2.top = 0; + r2.right = 4; + r2.bottom = 8; + MapDialogRect(hwnd, &r2); + cp->dlu4inpix = r2.right; + cp->width = (r.right * 4) / (r2.right) - 2 * GAPBETWEEN; + cp->xoff = leftborder; + cp->width -= leftborder + rightborder; +} + +HWND doctl(struct ctlpos *cp, RECT r, + char *wclass, int wstyle, int exstyle, char *wtext, int wid) +{ + HWND ctl; + /* + * Note nonstandard use of RECT. This is deliberate: by + * transforming the width and height directly we arrange to + * have all supposedly same-sized controls really same-sized. + */ + + r.left += cp->xoff; + MapDialogRect(cp->hwnd, &r); + + /* + * We can pass in cp->hwnd == NULL, to indicate a dry run + * without creating any actual controls. + */ + if (cp->hwnd) { + ctl = CreateWindowEx(exstyle, wclass, wtext, wstyle, + r.left, r.top, r.right, r.bottom, + cp->hwnd, (HMENU) wid, hinst, NULL); + SendMessage(ctl, WM_SETFONT, cp->font, MAKELPARAM(TRUE, 0)); + + if (!strcmp(wclass, "LISTBOX")) { + /* + * Bizarre Windows bug: the list box calculates its + * number of lines based on the font it has at creation + * time, but sending it WM_SETFONT doesn't cause it to + * recalculate. So now, _after_ we've sent it + * WM_SETFONT, we explicitly resize it (to the same + * size it was already!) to force it to reconsider. + */ + SetWindowPos(ctl, NULL, 0, 0, r.right, r.bottom, + SWP_NOACTIVATE | SWP_NOCOPYBITS | + SWP_NOMOVE | SWP_NOZORDER); + } + } else + ctl = NULL; + return ctl; +} + +/* + * A title bar across the top of a sub-dialog. + */ +void bartitle(struct ctlpos *cp, char *name, int id) +{ + RECT r; + + r.left = GAPBETWEEN; + r.right = cp->width; + r.top = cp->ypos; + r.bottom = STATICHEIGHT; + cp->ypos += r.bottom + GAPBETWEEN; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, name, id); +} + +/* + * Begin a grouping box, with or without a group title. + */ +void beginbox(struct ctlpos *cp, char *name, int idbox) +{ + cp->boxystart = cp->ypos; + if (!name) + cp->boxystart -= STATICHEIGHT / 2; + if (name) + cp->ypos += STATICHEIGHT; + cp->ypos += GAPYBOX; + cp->width -= 2 * GAPXBOX; + cp->xoff += GAPXBOX; + cp->boxid = idbox; + cp->boxtext = name; +} + +/* + * End a grouping box. + */ +void endbox(struct ctlpos *cp) +{ + RECT r; + cp->xoff -= GAPXBOX; + cp->width += 2 * GAPXBOX; + cp->ypos += GAPYBOX - GAPBETWEEN; + r.left = GAPBETWEEN; + r.right = cp->width; + r.top = cp->boxystart; + r.bottom = cp->ypos - cp->boxystart; + doctl(cp, r, "BUTTON", BS_GROUPBOX | WS_CHILD | WS_VISIBLE, 0, + cp->boxtext ? cp->boxtext : "", cp->boxid); + cp->ypos += GAPYBOX; +} + +/* + * Some edit boxes. Each one has a static above it. The percentages + * of the horizontal space are provided. + */ +void multiedit(struct ctlpos *cp, int password, ...) +{ + RECT r; + va_list ap; + int percent, xpos; + + percent = xpos = 0; + va_start(ap, password); + while (1) { + char *text; + int staticid, editid, pcwidth; + text = va_arg(ap, char *); + if (!text) + break; + staticid = va_arg(ap, int); + editid = va_arg(ap, int); + pcwidth = va_arg(ap, int); + + r.left = xpos + GAPBETWEEN; + percent += pcwidth; + xpos = (cp->width + GAPBETWEEN) * percent / 100; + r.right = xpos - r.left; + + r.top = cp->ypos; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid); + r.top = cp->ypos + 8 + GAPWITHIN; + r.bottom = EDITHEIGHT; + doctl(cp, r, "EDIT", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | + (password ? ES_PASSWORD : 0), + WS_EX_CLIENTEDGE, "", editid); + } + va_end(ap); + cp->ypos += STATICHEIGHT + GAPWITHIN + EDITHEIGHT + GAPBETWEEN; +} + +/* + * A static line, followed by a full-width combo box. + */ +void combobox(struct ctlpos *cp, char *text, int staticid, int listid) +{ + RECT r; + + r.left = GAPBETWEEN; + r.right = cp->width; + + r.top = cp->ypos; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid); + r.top = cp->ypos + 8 + GAPWITHIN; + r.bottom = COMBOHEIGHT * 10; + doctl(cp, r, "COMBOBOX", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | + CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", listid); + + cp->ypos += STATICHEIGHT + GAPWITHIN + COMBOHEIGHT + GAPBETWEEN; +} + +struct radio { char *text; int id; }; + +static void radioline_common(struct ctlpos *cp, char *text, int id, + int nacross, struct radio *buttons, int nbuttons) +{ + RECT r; + int group; + int i; + int j; + + if (text) { + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = STATICHEIGHT; + cp->ypos += r.bottom + GAPWITHIN; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, id); + } + + group = WS_GROUP; + i = 0; + for (j = 0; j < nbuttons; j++) { + char *btext = buttons[j].text; + int bid = buttons[j].id; + + if (i == nacross) { + cp->ypos += r.bottom + (nacross > 1 ? GAPBETWEEN : GAPWITHIN); + i = 0; + } + r.left = GAPBETWEEN + i * (cp->width + GAPBETWEEN) / nacross; + if (j < nbuttons-1) + r.right = + (i + 1) * (cp->width + GAPBETWEEN) / nacross - r.left; + else + r.right = cp->width - r.left; + r.top = cp->ypos; + r.bottom = RADIOHEIGHT; + doctl(cp, r, "BUTTON", + BS_NOTIFY | BS_AUTORADIOBUTTON | WS_CHILD | + WS_VISIBLE | WS_TABSTOP | group, 0, btext, bid); + group = 0; + i++; + } + cp->ypos += r.bottom + GAPBETWEEN; +} + +/* + * A set of radio buttons on the same line, with a static above + * them. `nacross' dictates how many parts the line is divided into + * (you might want this not to equal the number of buttons if you + * needed to line up some 2s and some 3s to look good in the same + * panel). + * + * There's a bit of a hack in here to ensure that if nacross + * exceeds the actual number of buttons, the rightmost button + * really does get all the space right to the edge of the line, so + * you can do things like + * + * (*) Button1 (*) Button2 (*) ButtonWithReallyLongTitle + */ +void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...) +{ + va_list ap; + struct radio *buttons; + int i, nbuttons; + + va_start(ap, nacross); + nbuttons = 0; + while (1) { + char *btext = va_arg(ap, char *); + int bid; + if (!btext) + break; + bid = va_arg(ap, int); + nbuttons++; + } + va_end(ap); + buttons = snewn(nbuttons, struct radio); + va_start(ap, nacross); + for (i = 0; i < nbuttons; i++) { + buttons[i].text = va_arg(ap, char *); + buttons[i].id = va_arg(ap, int); + } + va_end(ap); + radioline_common(cp, text, id, nacross, buttons, nbuttons); + sfree(buttons); +} + +/* + * A set of radio buttons on the same line, without a static above + * them. Otherwise just like radioline. + */ +void bareradioline(struct ctlpos *cp, int nacross, ...) +{ + va_list ap; + struct radio *buttons; + int i, nbuttons; + + va_start(ap, nacross); + nbuttons = 0; + while (1) { + char *btext = va_arg(ap, char *); + int bid; + if (!btext) + break; + bid = va_arg(ap, int); + } + va_end(ap); + buttons = snewn(nbuttons, struct radio); + va_start(ap, nacross); + for (i = 0; i < nbuttons; i++) { + buttons[i].text = va_arg(ap, char *); + buttons[i].id = va_arg(ap, int); + } + va_end(ap); + radioline_common(cp, NULL, 0, nacross, buttons, nbuttons); + sfree(buttons); +} + +/* + * A set of radio buttons on multiple lines, with a static above + * them. + */ +void radiobig(struct ctlpos *cp, char *text, int id, ...) +{ + va_list ap; + struct radio *buttons; + int i, nbuttons; + + va_start(ap, id); + nbuttons = 0; + while (1) { + char *btext = va_arg(ap, char *); + int bid; + if (!btext) + break; + bid = va_arg(ap, int); + } + va_end(ap); + buttons = snewn(nbuttons, struct radio); + va_start(ap, id); + for (i = 0; i < nbuttons; i++) { + buttons[i].text = va_arg(ap, char *); + buttons[i].id = va_arg(ap, int); + } + va_end(ap); + radioline_common(cp, text, id, 1, buttons, nbuttons); + sfree(buttons); +} + +/* + * A single standalone checkbox. + */ +void checkbox(struct ctlpos *cp, char *text, int id) +{ + RECT r; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = CHECKBOXHEIGHT; + cp->ypos += r.bottom + GAPBETWEEN; + doctl(cp, r, "BUTTON", + BS_NOTIFY | BS_AUTOCHECKBOX | WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0, + text, id); +} + +/* + * Wrap a piece of text for a static text control. Returns the + * wrapped text (a malloc'ed string containing \ns), and also + * returns the number of lines required. + */ +char *staticwrap(struct ctlpos *cp, HWND hwnd, char *text, int *lines) +{ + HDC hdc = GetDC(hwnd); + int lpx = GetDeviceCaps(hdc, LOGPIXELSX); + int width, nlines, j; + INT *pwidths, nfit; + SIZE size; + char *ret, *p, *q; + RECT r; + HFONT oldfont, newfont; + + ret = snewn(1+strlen(text), char); + p = text; + q = ret; + pwidths = snewn(1+strlen(text), INT); + + /* + * Work out the width the text will need to fit in, by doing + * the same adjustment that the `statictext' function itself + * will perform. + */ + SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */ + r.left = r.top = r.bottom = 0; + r.right = cp->width; + MapDialogRect(hwnd, &r); + width = r.right; + + nlines = 1; + + /* + * We must select the correct font into the HDC before calling + * GetTextExtent*, or silly things will happen. + */ + newfont = (HFONT)SendMessage(hwnd, WM_GETFONT, 0, 0); + oldfont = SelectObject(hdc, newfont); + + while (*p) { + if (!GetTextExtentExPoint(hdc, p, strlen(p), width, + &nfit, pwidths, &size) || + (size_t)nfit >= strlen(p)) { + /* + * Either GetTextExtentExPoint returned failure, or the + * whole of the rest of the text fits on this line. + * Either way, we stop wrapping, copy the remainder of + * the input string unchanged to the output, and leave. + */ + strcpy(q, p); + break; + } + + /* + * Now we search backwards along the string from `nfit', + * looking for a space at which to break the line. If we + * don't find one at all, that's fine - we'll just break + * the line at `nfit'. + */ + for (j = nfit; j > 0; j--) { + if (isspace((unsigned char)p[j])) { + nfit = j; + break; + } + } + + strncpy(q, p, nfit); + q[nfit] = '\n'; + q += nfit+1; + + p += nfit; + while (*p && isspace((unsigned char)*p)) + p++; + + nlines++; + } + + SelectObject(hdc, oldfont); + ReleaseDC(cp->hwnd, hdc); + + if (lines) *lines = nlines; + + return ret; +} + +/* + * A single standalone static text control. + */ +void statictext(struct ctlpos *cp, char *text, int lines, int id) +{ + RECT r; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = STATICHEIGHT * lines; + cp->ypos += r.bottom + GAPBETWEEN; + doctl(cp, r, "STATIC", + WS_CHILD | WS_VISIBLE | SS_LEFTNOWORDWRAP, + 0, text, id); +} + +/* + * An owner-drawn static text control for a panel title. + */ +void paneltitle(struct ctlpos *cp, int id) +{ + RECT r; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = TITLEHEIGHT; + cp->ypos += r.bottom + GAPBETWEEN; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_OWNERDRAW, + 0, NULL, id); +} + +/* + * A button on the right hand side, with a static to its left. + */ +void staticbtn(struct ctlpos *cp, char *stext, int sid, + char *btext, int bid) +{ + const int height = (PUSHBTNHEIGHT > STATICHEIGHT ? + PUSHBTNHEIGHT : STATICHEIGHT); + RECT r; + int lwid, rwid, rpos; + + rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4; + lwid = rpos - 2 * GAPBETWEEN; + rwid = cp->width + GAPBETWEEN - rpos; + + r.left = GAPBETWEEN; + r.top = cp->ypos + (height - STATICHEIGHT) / 2; + r.right = lwid; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + + r.left = rpos; + r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2; + r.right = rwid; + r.bottom = PUSHBTNHEIGHT; + doctl(cp, r, "BUTTON", + BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON, + 0, btext, bid); + + cp->ypos += height + GAPBETWEEN; +} + +/* + * A simple push button. + */ +void button(struct ctlpos *cp, char *btext, int bid, int defbtn) +{ + RECT r; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = PUSHBTNHEIGHT; + + /* Q67655: the _dialog box_ must know which button is default + * as well as the button itself knowing */ + if (defbtn && cp->hwnd) + SendMessage(cp->hwnd, DM_SETDEFID, bid, 0); + + doctl(cp, r, "BUTTON", + BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | + (defbtn ? BS_DEFPUSHBUTTON : 0) | BS_PUSHBUTTON, + 0, btext, bid); + + cp->ypos += PUSHBTNHEIGHT + GAPBETWEEN; +} + +/* + * Like staticbtn, but two buttons. + */ +void static2btn(struct ctlpos *cp, char *stext, int sid, + char *btext1, int bid1, char *btext2, int bid2) +{ + const int height = (PUSHBTNHEIGHT > STATICHEIGHT ? + PUSHBTNHEIGHT : STATICHEIGHT); + RECT r; + int lwid, rwid1, rwid2, rpos1, rpos2; + + rpos1 = GAPBETWEEN + (cp->width + GAPBETWEEN) / 2; + rpos2 = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4; + lwid = rpos1 - 2 * GAPBETWEEN; + rwid1 = rpos2 - rpos1 - GAPBETWEEN; + rwid2 = cp->width + GAPBETWEEN - rpos2; + + r.left = GAPBETWEEN; + r.top = cp->ypos + (height - STATICHEIGHT) / 2; + r.right = lwid; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + + r.left = rpos1; + r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2; + r.right = rwid1; + r.bottom = PUSHBTNHEIGHT; + doctl(cp, r, "BUTTON", + BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON, + 0, btext1, bid1); + + r.left = rpos2; + r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2; + r.right = rwid2; + r.bottom = PUSHBTNHEIGHT; + doctl(cp, r, "BUTTON", + BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON, + 0, btext2, bid2); + + cp->ypos += height + GAPBETWEEN; +} + +/* + * An edit control on the right hand side, with a static to its left. + */ +static void staticedit_internal(struct ctlpos *cp, char *stext, + int sid, int eid, int percentedit, + int style) +{ + const int height = (EDITHEIGHT > STATICHEIGHT ? + EDITHEIGHT : STATICHEIGHT); + RECT r; + int lwid, rwid, rpos; + + rpos = + GAPBETWEEN + (100 - percentedit) * (cp->width + GAPBETWEEN) / 100; + lwid = rpos - 2 * GAPBETWEEN; + rwid = cp->width + GAPBETWEEN - rpos; + + r.left = GAPBETWEEN; + r.top = cp->ypos + (height - STATICHEIGHT) / 2; + r.right = lwid; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + + r.left = rpos; + r.top = cp->ypos + (height - EDITHEIGHT) / 2; + r.right = rwid; + r.bottom = EDITHEIGHT; + doctl(cp, r, "EDIT", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | style, + WS_EX_CLIENTEDGE, "", eid); + + cp->ypos += height + GAPBETWEEN; +} + +void staticedit(struct ctlpos *cp, char *stext, + int sid, int eid, int percentedit) +{ + staticedit_internal(cp, stext, sid, eid, percentedit, 0); +} + +void staticpassedit(struct ctlpos *cp, char *stext, + int sid, int eid, int percentedit) +{ + staticedit_internal(cp, stext, sid, eid, percentedit, ES_PASSWORD); +} + +/* + * A drop-down list box on the right hand side, with a static to + * its left. + */ +void staticddl(struct ctlpos *cp, char *stext, + int sid, int lid, int percentlist) +{ + const int height = (COMBOHEIGHT > STATICHEIGHT ? + COMBOHEIGHT : STATICHEIGHT); + RECT r; + int lwid, rwid, rpos; + + rpos = + GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100; + lwid = rpos - 2 * GAPBETWEEN; + rwid = cp->width + GAPBETWEEN - rpos; + + r.left = GAPBETWEEN; + r.top = cp->ypos + (height - STATICHEIGHT) / 2; + r.right = lwid; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + + r.left = rpos; + r.top = cp->ypos + (height - EDITHEIGHT) / 2; + r.right = rwid; + r.bottom = COMBOHEIGHT*4; + doctl(cp, r, "COMBOBOX", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | + CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid); + + cp->ypos += height + GAPBETWEEN; +} + +/* + * A combo box on the right hand side, with a static to its left. + */ +void staticcombo(struct ctlpos *cp, char *stext, + int sid, int lid, int percentlist) +{ + const int height = (COMBOHEIGHT > STATICHEIGHT ? + COMBOHEIGHT : STATICHEIGHT); + RECT r; + int lwid, rwid, rpos; + + rpos = + GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100; + lwid = rpos - 2 * GAPBETWEEN; + rwid = cp->width + GAPBETWEEN - rpos; + + r.left = GAPBETWEEN; + r.top = cp->ypos + (height - STATICHEIGHT) / 2; + r.right = lwid; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + + r.left = rpos; + r.top = cp->ypos + (height - EDITHEIGHT) / 2; + r.right = rwid; + r.bottom = COMBOHEIGHT*10; + doctl(cp, r, "COMBOBOX", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | + CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid); + + cp->ypos += height + GAPBETWEEN; +} + +/* + * A static, with a full-width drop-down list box below it. + */ +void staticddlbig(struct ctlpos *cp, char *stext, + int sid, int lid) +{ + RECT r; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + cp->ypos += STATICHEIGHT; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = COMBOHEIGHT*4; + doctl(cp, r, "COMBOBOX", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | + CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid); + cp->ypos += COMBOHEIGHT + GAPBETWEEN; +} + +/* + * A big multiline edit control with a static labelling it. + */ +void bigeditctrl(struct ctlpos *cp, char *stext, + int sid, int eid, int lines) +{ + RECT r; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = STATICHEIGHT; + cp->ypos += r.bottom + GAPWITHIN; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = EDITHEIGHT + (lines - 1) * STATICHEIGHT; + cp->ypos += r.bottom + GAPBETWEEN; + doctl(cp, r, "EDIT", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | ES_MULTILINE, + WS_EX_CLIENTEDGE, "", eid); +} + +/* + * A list box with a static labelling it. + */ +void listbox(struct ctlpos *cp, char *stext, + int sid, int lid, int lines, int multi) +{ + RECT r; + + if (stext != NULL) { + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = STATICHEIGHT; + cp->ypos += r.bottom + GAPWITHIN; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + } + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = LISTHEIGHT + (lines - 1) * LISTINCREMENT; + cp->ypos += r.bottom + GAPBETWEEN; + doctl(cp, r, "LISTBOX", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | + LBS_NOTIFY | LBS_HASSTRINGS | LBS_USETABSTOPS | + (multi ? LBS_MULTIPLESEL : 0), + WS_EX_CLIENTEDGE, "", lid); +} + +/* + * A tab-control substitute when a real tab control is unavailable. + */ +void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id) +{ + const int height = (COMBOHEIGHT > STATICHEIGHT ? + COMBOHEIGHT : STATICHEIGHT); + RECT r; + int bigwid, lwid, rwid, rpos; + static const int BIGGAP = 15; + static const int MEDGAP = 3; + + bigwid = cp->width + 2 * GAPBETWEEN - 2 * BIGGAP; + cp->ypos += MEDGAP; + rpos = BIGGAP + (bigwid + BIGGAP) / 2; + lwid = rpos - 2 * BIGGAP; + rwid = bigwid + BIGGAP - rpos; + + r.left = BIGGAP; + r.top = cp->ypos + (height - STATICHEIGHT) / 2; + r.right = lwid; + r.bottom = STATICHEIGHT; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + + r.left = rpos; + r.top = cp->ypos + (height - COMBOHEIGHT) / 2; + r.right = rwid; + r.bottom = COMBOHEIGHT * 10; + doctl(cp, r, "COMBOBOX", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | + CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid); + + cp->ypos += height + MEDGAP + GAPBETWEEN; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = 2; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_ETCHEDHORZ, + 0, "", s2id); +} + +/* + * A static line, followed by an edit control on the left hand side + * and a button on the right. + */ +void editbutton(struct ctlpos *cp, char *stext, int sid, + int eid, char *btext, int bid) +{ + const int height = (EDITHEIGHT > PUSHBTNHEIGHT ? + EDITHEIGHT : PUSHBTNHEIGHT); + RECT r; + int lwid, rwid, rpos; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = STATICHEIGHT; + cp->ypos += r.bottom + GAPWITHIN; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + + rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4; + lwid = rpos - 2 * GAPBETWEEN; + rwid = cp->width + GAPBETWEEN - rpos; + + r.left = GAPBETWEEN; + r.top = cp->ypos + (height - EDITHEIGHT) / 2; + r.right = lwid; + r.bottom = EDITHEIGHT; + doctl(cp, r, "EDIT", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL, + WS_EX_CLIENTEDGE, "", eid); + + r.left = rpos; + r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2; + r.right = rwid; + r.bottom = PUSHBTNHEIGHT; + doctl(cp, r, "BUTTON", + BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON, + 0, btext, bid); + + cp->ypos += height + GAPBETWEEN; +} + +/* + * A special control for manipulating an ordered preference list + * (eg. for cipher selection). + * XXX: this is a rough hack and could be improved. + */ +void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines, + char *stext, int sid, int listid, int upbid, int dnbid) +{ + const static int percents[] = { 5, 75, 20 }; + RECT r; + int xpos, percent = 0, i; + int listheight = LISTHEIGHT + (lines - 1) * LISTINCREMENT; + const int BTNSHEIGHT = 2*PUSHBTNHEIGHT + GAPBETWEEN; + int totalheight, buttonpos; + + /* Squirrel away IDs. */ + hdl->listid = listid; + hdl->upbid = upbid; + hdl->dnbid = dnbid; + + /* The static label. */ + if (stext != NULL) { + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = STATICHEIGHT; + cp->ypos += r.bottom + GAPWITHIN; + doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid); + } + + if (listheight > BTNSHEIGHT) { + totalheight = listheight; + buttonpos = (listheight - BTNSHEIGHT) / 2; + } else { + totalheight = BTNSHEIGHT; + buttonpos = 0; + } + + for (i=0; i<3; i++) { + int left, wid; + xpos = (cp->width + GAPBETWEEN) * percent / 100; + left = xpos + GAPBETWEEN; + percent += percents[i]; + xpos = (cp->width + GAPBETWEEN) * percent / 100; + wid = xpos - left; + + switch (i) { + case 1: + /* The drag list box. */ + r.left = left; r.right = wid; + r.top = cp->ypos; r.bottom = listheight; + { + HWND ctl; + ctl = doctl(cp, r, "LISTBOX", + WS_CHILD | WS_VISIBLE | WS_TABSTOP | + WS_VSCROLL | LBS_HASSTRINGS | LBS_USETABSTOPS, + WS_EX_CLIENTEDGE, + "", listid); + MakeDragList(ctl); + } + break; + + case 2: + /* The "Up" and "Down" buttons. */ + /* XXX worry about accelerators if we have more than one + * prefslist on a panel */ + r.left = left; r.right = wid; + r.top = cp->ypos + buttonpos; r.bottom = PUSHBTNHEIGHT; + doctl(cp, r, "BUTTON", + BS_NOTIFY | WS_CHILD | WS_VISIBLE | + WS_TABSTOP | BS_PUSHBUTTON, + 0, "&Up", upbid); + + r.left = left; r.right = wid; + r.top = cp->ypos + buttonpos + PUSHBTNHEIGHT + GAPBETWEEN; + r.bottom = PUSHBTNHEIGHT; + doctl(cp, r, "BUTTON", + BS_NOTIFY | WS_CHILD | WS_VISIBLE | + WS_TABSTOP | BS_PUSHBUTTON, + 0, "&Down", dnbid); + + break; + + } + } + + cp->ypos += totalheight + GAPBETWEEN; + +} + +/* + * Helper function for prefslist: move item in list box. + */ +static void pl_moveitem(HWND hwnd, int listid, int src, int dst) +{ + int tlen, val; + char *txt; + /* Get the item's data. */ + tlen = SendDlgItemMessage (hwnd, listid, LB_GETTEXTLEN, src, 0); + txt = snewn(tlen+1, char); + SendDlgItemMessage (hwnd, listid, LB_GETTEXT, src, (LPARAM) txt); + val = SendDlgItemMessage (hwnd, listid, LB_GETITEMDATA, src, 0); + /* Deselect old location. */ + SendDlgItemMessage (hwnd, listid, LB_SETSEL, FALSE, src); + /* Delete it at the old location. */ + SendDlgItemMessage (hwnd, listid, LB_DELETESTRING, src, 0); + /* Insert it at new location. */ + SendDlgItemMessage (hwnd, listid, LB_INSERTSTRING, dst, + (LPARAM) txt); + SendDlgItemMessage (hwnd, listid, LB_SETITEMDATA, dst, + (LPARAM) val); + /* Set selection. */ + SendDlgItemMessage (hwnd, listid, LB_SETCURSEL, dst, 0); + sfree (txt); +} + +int pl_itemfrompt(HWND hwnd, POINT cursor, BOOL scroll) +{ + int ret; + POINT uppoint, downpoint; + int updist, downdist, upitem, downitem, i; + + /* + * Ghastly hackery to try to figure out not which + * _item_, but which _gap between items_, the user + * is pointing at. We do this by first working out + * which list item is under the cursor, and then + * working out how far the cursor would have to + * move up or down before the answer was different. + * Then we put the insertion point _above_ the + * current item if the upper edge is closer than + * the lower edge, or _below_ it if vice versa. + */ + ret = LBItemFromPt(hwnd, cursor, scroll); + if (ret == -1) + return ret; + ret = LBItemFromPt(hwnd, cursor, FALSE); + updist = downdist = 0; + for (i = 1; i < 4096 && (!updist || !downdist); i++) { + uppoint = downpoint = cursor; + uppoint.y -= i; + downpoint.y += i; + upitem = LBItemFromPt(hwnd, uppoint, FALSE); + downitem = LBItemFromPt(hwnd, downpoint, FALSE); + if (!updist && upitem != ret) + updist = i; + if (!downdist && downitem != ret) + downdist = i; + } + if (downdist < updist) + ret++; + return ret; +} + +/* + * Handler for prefslist above. + * + * Return value has bit 0 set if the dialog box procedure needs to + * return TRUE from handling this message; it has bit 1 set if a + * change may have been made in the contents of the list. + */ +int handle_prefslist(struct prefslist *hdl, + int *array, int maxmemb, + int is_dlmsg, HWND hwnd, + WPARAM wParam, LPARAM lParam) +{ + int i; + int ret = 0; + + if (is_dlmsg) { + + if ((int)wParam == hdl->listid) { + DRAGLISTINFO *dlm = (DRAGLISTINFO *)lParam; + int dest = 0; /* initialise to placate gcc */ + switch (dlm->uNotification) { + case DL_BEGINDRAG: + hdl->dummyitem = + SendDlgItemMessage(hwnd, hdl->listid, + LB_ADDSTRING, 0, (LPARAM) ""); + + hdl->srcitem = LBItemFromPt(dlm->hWnd, dlm->ptCursor, TRUE); + hdl->dragging = 0; + /* XXX hack Q183115 */ + SetWindowLong(hwnd, DWL_MSGRESULT, TRUE); + ret |= 1; break; + case DL_CANCELDRAG: + DrawInsert(hwnd, dlm->hWnd, -1); /* Clear arrow */ + SendDlgItemMessage(hwnd, hdl->listid, + LB_DELETESTRING, hdl->dummyitem, 0); + hdl->dragging = 0; + ret |= 1; break; + case DL_DRAGGING: + hdl->dragging = 1; + dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE); + if (dest > hdl->dummyitem) dest = hdl->dummyitem; + DrawInsert (hwnd, dlm->hWnd, dest); + if (dest >= 0) + SetWindowLong(hwnd, DWL_MSGRESULT, DL_MOVECURSOR); + else + SetWindowLong(hwnd, DWL_MSGRESULT, DL_STOPCURSOR); + ret |= 1; break; + case DL_DROPPED: + if (hdl->dragging) { + dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE); + if (dest > hdl->dummyitem) dest = hdl->dummyitem; + DrawInsert (hwnd, dlm->hWnd, -1); + } + SendDlgItemMessage(hwnd, hdl->listid, + LB_DELETESTRING, hdl->dummyitem, 0); + if (hdl->dragging) { + hdl->dragging = 0; + if (dest >= 0) { + /* Correct for "missing" item. */ + if (dest > hdl->srcitem) dest--; + pl_moveitem(hwnd, hdl->listid, hdl->srcitem, dest); + } + ret |= 2; + } + ret |= 1; break; + } + } + + } else { + + if (((LOWORD(wParam) == hdl->upbid) || + (LOWORD(wParam) == hdl->dnbid)) && + ((HIWORD(wParam) == BN_CLICKED) || + (HIWORD(wParam) == BN_DOUBLECLICKED))) { + /* Move an item up or down the list. */ + /* Get the current selection, if any. */ + int selection = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCURSEL, 0, 0); + if (selection == LB_ERR) { + MessageBeep(0); + } else { + int nitems; + /* Get the total number of items. */ + nitems = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCOUNT, 0, 0); + /* Should we do anything? */ + if (LOWORD(wParam) == hdl->upbid && (selection > 0)) + pl_moveitem(hwnd, hdl->listid, selection, selection - 1); + else if (LOWORD(wParam) == hdl->dnbid && (selection < nitems - 1)) + pl_moveitem(hwnd, hdl->listid, selection, selection + 1); + ret |= 2; + } + + } + + } + + if (array) { + /* Update array to match the list box. */ + for (i=0; i < maxmemb; i++) + array[i] = SendDlgItemMessage (hwnd, hdl->listid, LB_GETITEMDATA, + i, 0); + } + + return ret; +} + +/* + * A progress bar (from Common Controls). We like our progress bars + * to be smooth and unbroken, without those ugly divisions; some + * older compilers may not support that, but that's life. + */ +void progressbar(struct ctlpos *cp, int id) +{ + RECT r; + + r.left = GAPBETWEEN; + r.top = cp->ypos; + r.right = cp->width; + r.bottom = PROGBARHEIGHT; + cp->ypos += r.bottom + GAPBETWEEN; + + doctl(cp, r, PROGRESS_CLASS, WS_CHILD | WS_VISIBLE +#ifdef PBS_SMOOTH + | PBS_SMOOTH +#endif + , WS_EX_CLIENTEDGE, "", id); +} + +/* ---------------------------------------------------------------------- + * Platform-specific side of portable dialog-box mechanism. + */ + +/* + * This function takes a string, escapes all the ampersands, and + * places a single (unescaped) ampersand in front of the first + * occurrence of the given shortcut character (which may be + * NO_SHORTCUT). + * + * Return value is a malloc'ed copy of the processed version of the + * string. + */ +static char *shortcut_escape(char *text, char shortcut) +{ + char *ret; + char *p, *q; + + if (!text) + return NULL; /* sfree won't choke on this */ + + ret = snewn(2*strlen(text)+1, char); /* size potentially doubles! */ + shortcut = tolower((unsigned char)shortcut); + + p = text; + q = ret; + while (*p) { + if (shortcut != NO_SHORTCUT && + tolower((unsigned char)*p) == shortcut) { + *q++ = '&'; + shortcut = NO_SHORTCUT; /* stop it happening twice */ + } else if (*p == '&') { + *q++ = '&'; + } + *q++ = *p++; + } + *q = '\0'; + return ret; +} + +void winctrl_add_shortcuts(struct dlgparam *dp, struct winctrl *c) +{ + int i; + for (i = 0; i < lenof(c->shortcuts); i++) + if (c->shortcuts[i] != NO_SHORTCUT) { + unsigned char s = tolower((unsigned char)c->shortcuts[i]); + assert(!dp->shortcuts[s]); + dp->shortcuts[s] = TRUE; + } +} + +void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c) +{ + int i; + for (i = 0; i < lenof(c->shortcuts); i++) + if (c->shortcuts[i] != NO_SHORTCUT) { + unsigned char s = tolower((unsigned char)c->shortcuts[i]); + assert(dp->shortcuts[s]); + dp->shortcuts[s] = FALSE; + } +} + +static int winctrl_cmp_byctrl(void *av, void *bv) +{ + struct winctrl *a = (struct winctrl *)av; + struct winctrl *b = (struct winctrl *)bv; + if (a->ctrl < b->ctrl) + return -1; + else if (a->ctrl > b->ctrl) + return +1; + else + return 0; +} +static int winctrl_cmp_byid(void *av, void *bv) +{ + struct winctrl *a = (struct winctrl *)av; + struct winctrl *b = (struct winctrl *)bv; + if (a->base_id < b->base_id) + return -1; + else if (a->base_id > b->base_id) + return +1; + else + return 0; +} +static int winctrl_cmp_byctrl_find(void *av, void *bv) +{ + union control *a = (union control *)av; + struct winctrl *b = (struct winctrl *)bv; + if (a < b->ctrl) + return -1; + else if (a > b->ctrl) + return +1; + else + return 0; +} +static int winctrl_cmp_byid_find(void *av, void *bv) +{ + int *a = (int *)av; + struct winctrl *b = (struct winctrl *)bv; + if (*a < b->base_id) + return -1; + else if (*a >= b->base_id + b->num_ids) + return +1; + else + return 0; +} + +void winctrl_init(struct winctrls *wc) +{ + wc->byctrl = newtree234(winctrl_cmp_byctrl); + wc->byid = newtree234(winctrl_cmp_byid); +} +void winctrl_cleanup(struct winctrls *wc) +{ + struct winctrl *c; + + while ((c = index234(wc->byid, 0)) != NULL) { + winctrl_remove(wc, c); + sfree(c->data); + sfree(c); + } + + freetree234(wc->byctrl); + freetree234(wc->byid); + wc->byctrl = wc->byid = NULL; +} + +void winctrl_add(struct winctrls *wc, struct winctrl *c) +{ + struct winctrl *ret; + if (c->ctrl) { + ret = add234(wc->byctrl, c); + assert(ret == c); + } + ret = add234(wc->byid, c); + assert(ret == c); +} + +void winctrl_remove(struct winctrls *wc, struct winctrl *c) +{ + struct winctrl *ret; + ret = del234(wc->byctrl, c); + ret = del234(wc->byid, c); + assert(ret == c); +} + +struct winctrl *winctrl_findbyctrl(struct winctrls *wc, union control *ctrl) +{ + return find234(wc->byctrl, ctrl, winctrl_cmp_byctrl_find); +} + +struct winctrl *winctrl_findbyid(struct winctrls *wc, int id) +{ + return find234(wc->byid, &id, winctrl_cmp_byid_find); +} + +struct winctrl *winctrl_findbyindex(struct winctrls *wc, int index) +{ + return index234(wc->byid, index); +} + +void winctrl_layout(struct dlgparam *dp, struct winctrls *wc, + struct ctlpos *cp, struct controlset *s, int *id) +{ + struct ctlpos columns[16]; + int ncols, colstart, colspan; + + struct ctlpos tabdelays[16]; + union control *tabdelayed[16]; + int ntabdelays; + + struct ctlpos pos; + + char shortcuts[MAX_SHORTCUTS_PER_CTRL]; + int nshortcuts; + char *escaped; + int i, actual_base_id, base_id, num_ids; + void *data; + + base_id = *id; + + /* Start a containing box, if we have a boxname. */ + if (s->boxname && *s->boxname) { + struct winctrl *c = snew(struct winctrl); + c->ctrl = NULL; + c->base_id = base_id; + c->num_ids = 1; + c->data = NULL; + memset(c->shortcuts, NO_SHORTCUT, lenof(c->shortcuts)); + winctrl_add(wc, c); + beginbox(cp, s->boxtitle, base_id); + base_id++; + } + + /* Draw a title, if we have one. */ + if (!s->boxname && s->boxtitle) { + struct winctrl *c = snew(struct winctrl); + c->ctrl = NULL; + c->base_id = base_id; + c->num_ids = 1; + c->data = dupstr(s->boxtitle); + memset(c->shortcuts, NO_SHORTCUT, lenof(c->shortcuts)); + winctrl_add(wc, c); + paneltitle(cp, base_id); + base_id++; + } + + /* Initially we have just one column. */ + ncols = 1; + columns[0] = *cp; /* structure copy */ + + /* And initially, there are no pending tab-delayed controls. */ + ntabdelays = 0; + + /* Loop over each control in the controlset. */ + for (i = 0; i < s->ncontrols; i++) { + union control *ctrl = s->ctrls[i]; + + /* + * Generic processing that pertains to all control types. + * At the end of this if statement, we'll have produced + * `ctrl' (a pointer to the control we have to create, or + * think about creating, in this iteration of the loop), + * `pos' (a suitable ctlpos with which to position it), and + * `c' (a winctrl structure to receive details of the + * dialog IDs). Or we'll have done a `continue', if it was + * CTRL_COLUMNS and doesn't require any control creation at + * all. + */ + if (ctrl->generic.type == CTRL_COLUMNS) { + assert((ctrl->columns.ncols == 1) ^ (ncols == 1)); + + if (ncols == 1) { + /* + * We're splitting into multiple columns. + */ + int lpercent, rpercent, lx, rx, i; + + ncols = ctrl->columns.ncols; + assert(ncols <= lenof(columns)); + for (i = 1; i < ncols; i++) + columns[i] = columns[0]; /* structure copy */ + + lpercent = 0; + for (i = 0; i < ncols; i++) { + rpercent = lpercent + ctrl->columns.percentages[i]; + lx = columns[i].xoff + lpercent * + (columns[i].width + GAPBETWEEN) / 100; + rx = columns[i].xoff + rpercent * + (columns[i].width + GAPBETWEEN) / 100; + columns[i].xoff = lx; + columns[i].width = rx - lx - GAPBETWEEN; + lpercent = rpercent; + } + } else { + /* + * We're recombining the various columns into one. + */ + int maxy = columns[0].ypos; + int i; + for (i = 1; i < ncols; i++) + if (maxy < columns[i].ypos) + maxy = columns[i].ypos; + ncols = 1; + columns[0] = *cp; /* structure copy */ + columns[0].ypos = maxy; + } + + continue; + } else if (ctrl->generic.type == CTRL_TABDELAY) { + int i; + + assert(!ctrl->generic.tabdelay); + ctrl = ctrl->tabdelay.ctrl; + + for (i = 0; i < ntabdelays; i++) + if (tabdelayed[i] == ctrl) + break; + assert(i < ntabdelays); /* we have to have found it */ + + pos = tabdelays[i]; /* structure copy */ + + colstart = colspan = -1; /* indicate this was tab-delayed */ + + } else { + /* + * If it wasn't one of those, it's a genuine control; + * so we'll have to compute a position for it now, by + * checking its column span. + */ + int col; + + colstart = COLUMN_START(ctrl->generic.column); + colspan = COLUMN_SPAN(ctrl->generic.column); + + pos = columns[colstart]; /* structure copy */ + pos.width = columns[colstart+colspan-1].width + + (columns[colstart+colspan-1].xoff - columns[colstart].xoff); + + for (col = colstart; col < colstart+colspan; col++) + if (pos.ypos < columns[col].ypos) + pos.ypos = columns[col].ypos; + + /* + * If this control is to be tabdelayed, add it to the + * tabdelay list, and unset pos.hwnd to inhibit actual + * control creation. + */ + if (ctrl->generic.tabdelay) { + assert(ntabdelays < lenof(tabdelays)); + tabdelays[ntabdelays] = pos; /* structure copy */ + tabdelayed[ntabdelays] = ctrl; + ntabdelays++; + pos.hwnd = NULL; + } + } + + /* Most controls don't need anything in c->data. */ + data = NULL; + + /* And they all start off with no shortcuts registered. */ + memset(shortcuts, NO_SHORTCUT, lenof(shortcuts)); + nshortcuts = 0; + + /* Almost all controls start at base_id. */ + actual_base_id = base_id; + + /* + * Now we're ready to actually create the control, by + * switching on its type. + */ + switch (ctrl->generic.type) { + case CTRL_TEXT: + { + char *wrapped, *escaped; + int lines; + num_ids = 1; + wrapped = staticwrap(&pos, cp->hwnd, + ctrl->generic.label, &lines); + escaped = shortcut_escape(wrapped, NO_SHORTCUT); + statictext(&pos, escaped, lines, base_id); + sfree(escaped); + sfree(wrapped); + } + break; + case CTRL_EDITBOX: + num_ids = 2; /* static, edit */ + escaped = shortcut_escape(ctrl->editbox.label, + ctrl->editbox.shortcut); + shortcuts[nshortcuts++] = ctrl->editbox.shortcut; + if (ctrl->editbox.percentwidth == 100) { + if (ctrl->editbox.has_list) + combobox(&pos, escaped, + base_id, base_id+1); + else + multiedit(&pos, ctrl->editbox.password, escaped, + base_id, base_id+1, 100, NULL); + } else { + if (ctrl->editbox.has_list) { + staticcombo(&pos, escaped, base_id, base_id+1, + ctrl->editbox.percentwidth); + } else { + (ctrl->editbox.password ? staticpassedit : staticedit) + (&pos, escaped, base_id, base_id+1, + ctrl->editbox.percentwidth); + } + } + sfree(escaped); + break; + case CTRL_RADIO: + num_ids = ctrl->radio.nbuttons + 1; /* label as well */ + { + struct radio *buttons; + int i; + + escaped = shortcut_escape(ctrl->radio.label, + ctrl->radio.shortcut); + shortcuts[nshortcuts++] = ctrl->radio.shortcut; + + buttons = snewn(ctrl->radio.nbuttons, struct radio); + + for (i = 0; i < ctrl->radio.nbuttons; i++) { + buttons[i].text = + shortcut_escape(ctrl->radio.buttons[i], + (char)(ctrl->radio.shortcuts ? + ctrl->radio.shortcuts[i] : + NO_SHORTCUT)); + buttons[i].id = base_id + 1 + i; + if (ctrl->radio.shortcuts) { + assert(nshortcuts < MAX_SHORTCUTS_PER_CTRL); + shortcuts[nshortcuts++] = ctrl->radio.shortcuts[i]; + } + } + + radioline_common(&pos, escaped, base_id, + ctrl->radio.ncolumns, + buttons, ctrl->radio.nbuttons); + + for (i = 0; i < ctrl->radio.nbuttons; i++) { + sfree(buttons[i].text); + } + sfree(buttons); + sfree(escaped); + } + break; + case CTRL_CHECKBOX: + num_ids = 1; + escaped = shortcut_escape(ctrl->checkbox.label, + ctrl->checkbox.shortcut); + shortcuts[nshortcuts++] = ctrl->checkbox.shortcut; + checkbox(&pos, escaped, base_id); + sfree(escaped); + break; + case CTRL_BUTTON: + escaped = shortcut_escape(ctrl->button.label, + ctrl->button.shortcut); + shortcuts[nshortcuts++] = ctrl->button.shortcut; + if (ctrl->button.iscancel) + actual_base_id = IDCANCEL; + num_ids = 1; + button(&pos, escaped, actual_base_id, ctrl->button.isdefault); + sfree(escaped); + break; + case CTRL_LISTBOX: + num_ids = 2; + escaped = shortcut_escape(ctrl->listbox.label, + ctrl->listbox.shortcut); + shortcuts[nshortcuts++] = ctrl->listbox.shortcut; + if (ctrl->listbox.draglist) { + data = snew(struct prefslist); + num_ids = 4; + prefslist(data, &pos, ctrl->listbox.height, escaped, + base_id, base_id+1, base_id+2, base_id+3); + shortcuts[nshortcuts++] = 'u'; /* Up */ + shortcuts[nshortcuts++] = 'd'; /* Down */ + } else if (ctrl->listbox.height == 0) { + /* Drop-down list. */ + if (ctrl->listbox.percentwidth == 100) { + staticddlbig(&pos, escaped, + base_id, base_id+1); + } else { + staticddl(&pos, escaped, base_id, + base_id+1, ctrl->listbox.percentwidth); + } + } else { + /* Ordinary list. */ + listbox(&pos, escaped, base_id, base_id+1, + ctrl->listbox.height, ctrl->listbox.multisel); + } + if (ctrl->listbox.ncols) { + /* + * This method of getting the box width is a bit of + * a hack; we'd do better to try to retrieve the + * actual width in dialog units from doctl() just + * before MapDialogRect. But that's going to be no + * fun, and this should be good enough accuracy. + */ + int width = cp->width * ctrl->listbox.percentwidth; + int *tabarray; + int i, percent; + + tabarray = snewn(ctrl->listbox.ncols-1, int); + percent = 0; + for (i = 0; i < ctrl->listbox.ncols-1; i++) { + percent += ctrl->listbox.percentages[i]; + tabarray[i] = width * percent / 10000; + } + SendDlgItemMessage(cp->hwnd, base_id+1, LB_SETTABSTOPS, + ctrl->listbox.ncols-1, (LPARAM)tabarray); + sfree(tabarray); + } + sfree(escaped); + break; + case CTRL_FILESELECT: + num_ids = 3; + escaped = shortcut_escape(ctrl->fileselect.label, + ctrl->fileselect.shortcut); + shortcuts[nshortcuts++] = ctrl->fileselect.shortcut; + editbutton(&pos, escaped, base_id, base_id+1, + "Bro&wse...", base_id+2); + shortcuts[nshortcuts++] = 'w'; + sfree(escaped); + break; + case CTRL_FONTSELECT: + num_ids = 3; + escaped = shortcut_escape(ctrl->fontselect.label, + ctrl->fontselect.shortcut); + shortcuts[nshortcuts++] = ctrl->fontselect.shortcut; + statictext(&pos, escaped, 1, base_id); + staticbtn(&pos, "", base_id+1, "Change...", base_id+2); + sfree(escaped); + data = snew(FontSpec); + break; + default: + assert(!"Can't happen"); + num_ids = 0; /* placate gcc */ + break; + } + + /* + * Create a `struct winctrl' for this control, and advance + * the dialog ID counter, if it's actually been created + * (and isn't tabdelayed). + */ + if (pos.hwnd) { + struct winctrl *c = snew(struct winctrl); + + c->ctrl = ctrl; + c->base_id = actual_base_id; + c->num_ids = num_ids; + c->data = data; + memcpy(c->shortcuts, shortcuts, sizeof(shortcuts)); + winctrl_add(wc, c); + winctrl_add_shortcuts(dp, c); + if (actual_base_id == base_id) + base_id += num_ids; + } + + if (colstart >= 0) { + /* + * Update the ypos in all columns crossed by this + * control. + */ + int i; + for (i = colstart; i < colstart+colspan; i++) + columns[i].ypos = pos.ypos; + } + } + + /* + * We've now finished laying out the controls; so now update + * the ctlpos and control ID that were passed in, terminate + * any containing box, and return. + */ + for (i = 0; i < ncols; i++) + if (cp->ypos < columns[i].ypos) + cp->ypos = columns[i].ypos; + *id = base_id; + + if (s->boxname && *s->boxname) + endbox(cp); +} + +static void winctrl_set_focus(union control *ctrl, struct dlgparam *dp, + int has_focus) +{ + if (has_focus) { + if (dp->focused) + dp->lastfocused = dp->focused; + dp->focused = ctrl; + } else if (!has_focus && dp->focused == ctrl) { + dp->lastfocused = dp->focused; + dp->focused = NULL; + } +} + +union control *dlg_last_focused(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + return dp->focused == ctrl ? dp->lastfocused : dp->focused; +} + +/* + * The dialog-box procedure calls this function to handle Windows + * messages on a control we manage. + */ +int winctrl_handle_command(struct dlgparam *dp, UINT msg, + WPARAM wParam, LPARAM lParam) +{ + struct winctrl *c; + union control *ctrl; + int i, id, ret; + static UINT draglistmsg = WM_NULL; + + /* + * Filter out pointless window messages. Our interest is in + * WM_COMMAND and the drag list message, and nothing else. + */ + if (draglistmsg == WM_NULL) + draglistmsg = RegisterWindowMessage (DRAGLISTMSGSTRING); + + if (msg != draglistmsg && msg != WM_COMMAND && msg != WM_DRAWITEM) + return 0; + + /* + * Look up the control ID in our data. + */ + c = NULL; + for (i = 0; i < dp->nctrltrees; i++) { + c = winctrl_findbyid(dp->controltrees[i], LOWORD(wParam)); + if (c) + break; + } + if (!c) + return 0; /* we have nothing to do */ + + if (msg == WM_DRAWITEM) { + /* + * Owner-draw request for a panel title. + */ + LPDRAWITEMSTRUCT di = (LPDRAWITEMSTRUCT) lParam; + HDC hdc = di->hDC; + RECT r = di->rcItem; + SIZE s; + + SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */ + + GetTextExtentPoint32(hdc, (char *)c->data, + strlen((char *)c->data), &s); + DrawEdge(hdc, &r, EDGE_ETCHED, BF_ADJUST | BF_RECT); + TextOut(hdc, + r.left + (r.right-r.left-s.cx)/2, + r.top + (r.bottom-r.top-s.cy)/2, + (char *)c->data, strlen((char *)c->data)); + + return TRUE; + } + + ctrl = c->ctrl; + id = LOWORD(wParam) - c->base_id; + + if (!ctrl || !ctrl->generic.handler) + return 0; /* nothing we can do here */ + + /* + * From here on we do not issue `return' statements until the + * very end of the dialog box: any event handler is entitled to + * ask for a colour selector, so we _must_ always allow control + * to reach the end of this switch statement so that the + * subsequent code can test dp->coloursel_wanted(). + */ + ret = 0; + dp->coloursel_wanted = FALSE; + + /* + * Now switch on the control type and the message. + */ + switch (ctrl->generic.type) { + case CTRL_EDITBOX: + if (msg == WM_COMMAND && !ctrl->editbox.has_list && + (HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS); + if (msg == WM_COMMAND && ctrl->editbox.has_list && + (HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS); + + if (msg == WM_COMMAND && !ctrl->editbox.has_list && + HIWORD(wParam) == EN_CHANGE) + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + if (msg == WM_COMMAND && + ctrl->editbox.has_list) { + if (HIWORD(wParam) == CBN_SELCHANGE) { + int index, len; + char *text; + + index = SendDlgItemMessage(dp->hwnd, c->base_id+1, + CB_GETCURSEL, 0, 0); + len = SendDlgItemMessage(dp->hwnd, c->base_id+1, + CB_GETLBTEXTLEN, index, 0); + text = snewn(len+1, char); + SendDlgItemMessage(dp->hwnd, c->base_id+1, CB_GETLBTEXT, + index, (LPARAM)text); + SetDlgItemText(dp->hwnd, c->base_id+1, text); + sfree(text); + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + } else if (HIWORD(wParam) == CBN_EDITCHANGE) { + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + } else if (HIWORD(wParam) == CBN_KILLFOCUS) { + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH); + } + + } + break; + case CTRL_RADIO: + if (msg == WM_COMMAND && + (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS); + /* + * We sometimes get spurious BN_CLICKED messages for the + * radio button that is just about to _lose_ selection, if + * we're switching using the arrow keys. Therefore we + * double-check that the button in wParam is actually + * checked before generating an event. + */ + if (msg == WM_COMMAND && + (HIWORD(wParam) == BN_CLICKED || + HIWORD(wParam) == BN_DOUBLECLICKED) && + IsDlgButtonChecked(dp->hwnd, LOWORD(wParam))) { + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + } + break; + case CTRL_CHECKBOX: + if (msg == WM_COMMAND && + (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS); + if (msg == WM_COMMAND && + (HIWORD(wParam) == BN_CLICKED || + HIWORD(wParam) == BN_DOUBLECLICKED)) { + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + } + break; + case CTRL_BUTTON: + if (msg == WM_COMMAND && + (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS); + if (msg == WM_COMMAND && + (HIWORD(wParam) == BN_CLICKED || + HIWORD(wParam) == BN_DOUBLECLICKED)) { + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION); + } + break; + case CTRL_LISTBOX: + if (msg == WM_COMMAND && ctrl->listbox.height != 0 && + (HIWORD(wParam)==LBN_SETFOCUS || HIWORD(wParam)==LBN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == LBN_SETFOCUS); + if (msg == WM_COMMAND && ctrl->listbox.height == 0 && + (HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS); + if (msg == WM_COMMAND && id >= 2 && + (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS); + if (ctrl->listbox.draglist) { + int pret; + pret = handle_prefslist(c->data, NULL, 0, (msg != WM_COMMAND), + dp->hwnd, wParam, lParam); + if (pret & 2) + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + ret = pret & 1; + } else { + if (msg == WM_COMMAND && HIWORD(wParam) == LBN_DBLCLK) { + SetCapture(dp->hwnd); + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION); + } else if (msg == WM_COMMAND && HIWORD(wParam) == LBN_SELCHANGE) { + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_SELCHANGE); + } + } + break; + case CTRL_FILESELECT: + if (msg == WM_COMMAND && id == 1 && + (HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS); + if (msg == WM_COMMAND && id == 2 && + (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS); + if (msg == WM_COMMAND && id == 1 && HIWORD(wParam) == EN_CHANGE) + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + if (id == 2 && + (msg == WM_COMMAND && + (HIWORD(wParam) == BN_CLICKED || + HIWORD(wParam) == BN_DOUBLECLICKED))) { + OPENFILENAME of; + char filename[FILENAME_MAX]; + int ret; + + memset(&of, 0, sizeof(of)); +#ifdef OPENFILENAME_SIZE_VERSION_400 + of.lStructSize = OPENFILENAME_SIZE_VERSION_400; +#else + of.lStructSize = sizeof(of); +#endif + of.hwndOwner = dp->hwnd; + if (ctrl->fileselect.filter) + of.lpstrFilter = ctrl->fileselect.filter; + else + of.lpstrFilter = "All Files (*.*)\0*\0\0\0"; + of.lpstrCustomFilter = NULL; + of.nFilterIndex = 1; + of.lpstrFile = filename; + GetDlgItemText(dp->hwnd, c->base_id+1, filename, lenof(filename)); + filename[lenof(filename)-1] = '\0'; + of.nMaxFile = lenof(filename); + of.lpstrFileTitle = NULL; + of.lpstrInitialDir = NULL; + of.lpstrTitle = ctrl->fileselect.title; + of.Flags = 0; + if (ctrl->fileselect.for_writing) + ret = GetSaveFileName(&of); + else + ret = GetOpenFileName(&of); + if (ret) { + SetDlgItemText(dp->hwnd, c->base_id + 1, filename); + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + } + } + break; + case CTRL_FONTSELECT: + if (msg == WM_COMMAND && id == 2 && + (HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS)) + winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS); + if (id == 2 && + (msg == WM_COMMAND && + (HIWORD(wParam) == BN_CLICKED || + HIWORD(wParam) == BN_DOUBLECLICKED))) { + CHOOSEFONT cf; + LOGFONT lf; + HDC hdc; + FontSpec fs = *(FontSpec *)c->data; + + hdc = GetDC(0); + lf.lfHeight = -MulDiv(fs.height, + GetDeviceCaps(hdc, LOGPIXELSY), 72); + ReleaseDC(0, hdc); + lf.lfWidth = lf.lfEscapement = lf.lfOrientation = 0; + lf.lfItalic = lf.lfUnderline = lf.lfStrikeOut = 0; + lf.lfWeight = (fs.isbold ? FW_BOLD : 0); + lf.lfCharSet = fs.charset; + lf.lfOutPrecision = OUT_DEFAULT_PRECIS; + lf.lfClipPrecision = CLIP_DEFAULT_PRECIS; + lf.lfQuality = DEFAULT_QUALITY; + lf.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE; + strncpy(lf.lfFaceName, fs.name, + sizeof(lf.lfFaceName) - 1); + lf.lfFaceName[sizeof(lf.lfFaceName) - 1] = '\0'; + + cf.lStructSize = sizeof(cf); + cf.hwndOwner = dp->hwnd; + cf.lpLogFont = &lf; + cf.Flags = CF_FIXEDPITCHONLY | CF_FORCEFONTEXIST | + CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS; + + if (ChooseFont(&cf)) { + strncpy(fs.name, lf.lfFaceName, + sizeof(fs.name) - 1); + fs.name[sizeof(fs.name) - 1] = '\0'; + fs.isbold = (lf.lfWeight == FW_BOLD); + fs.charset = lf.lfCharSet; + fs.height = cf.iPointSize / 10; + dlg_fontsel_set(ctrl, dp, fs); + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE); + } + } + break; + } + + /* + * If the above event handler has asked for a colour selector, + * now is the time to generate one. + */ + if (dp->coloursel_wanted) { + static CHOOSECOLOR cc; + static DWORD custom[16] = { 0 }; /* zero initialisers */ + cc.lStructSize = sizeof(cc); + cc.hwndOwner = dp->hwnd; + cc.hInstance = (HWND) hinst; + cc.lpCustColors = custom; + cc.rgbResult = RGB(dp->coloursel_result.r, + dp->coloursel_result.g, + dp->coloursel_result.b); + cc.Flags = CC_FULLOPEN | CC_RGBINIT; + if (ChooseColor(&cc)) { + dp->coloursel_result.r = + (unsigned char) (cc.rgbResult & 0xFF); + dp->coloursel_result.g = + (unsigned char) (cc.rgbResult >> 8) & 0xFF; + dp->coloursel_result.b = + (unsigned char) (cc.rgbResult >> 16) & 0xFF; + dp->coloursel_result.ok = TRUE; + } else + dp->coloursel_result.ok = FALSE; + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_CALLBACK); + } + + return ret; +} + +/* + * This function can be called to produce context help on a + * control. Returns TRUE if it has actually launched WinHelp. + */ +int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id) +{ + int i; + struct winctrl *c; + char *cmd; + + /* + * Look up the control ID in our data. + */ + c = NULL; + for (i = 0; i < dp->nctrltrees; i++) { + c = winctrl_findbyid(dp->controltrees[i], id); + if (c) + break; + } + if (!c) + return 0; /* we have nothing to do */ + + /* + * This is the Windows front end, so we're allowed to assume + * `helpctx.p' is a context string. + */ + if (!c->ctrl || !c->ctrl->generic.helpctx.p) + return 0; /* no help available for this ctrl */ + + cmd = dupprintf("JI(`',`%s')", c->ctrl->generic.helpctx.p); + WinHelp(hwnd, help_path, HELP_COMMAND, (DWORD)cmd); + sfree(cmd); + return 1; +} + +/* + * Now the various functions that the platform-independent + * mechanism can call to access the dialog box entries. + */ + +static struct winctrl *dlg_findbyctrl(struct dlgparam *dp, union control *ctrl) +{ + int i; + + for (i = 0; i < dp->nctrltrees; i++) { + struct winctrl *c = winctrl_findbyctrl(dp->controltrees[i], ctrl); + if (c) + return c; + } + return NULL; +} + +void dlg_radiobutton_set(union control *ctrl, void *dlg, int whichbutton) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_RADIO); + CheckRadioButton(dp->hwnd, + c->base_id + 1, + c->base_id + c->ctrl->radio.nbuttons, + c->base_id + 1 + whichbutton); +} + +int dlg_radiobutton_get(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int i; + assert(c && c->ctrl->generic.type == CTRL_RADIO); + for (i = 0; i < c->ctrl->radio.nbuttons; i++) + if (IsDlgButtonChecked(dp->hwnd, c->base_id + 1 + i)) + return i; + assert(!"No radio button was checked?!"); + return 0; +} + +void dlg_checkbox_set(union control *ctrl, void *dlg, int checked) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_CHECKBOX); + CheckDlgButton(dp->hwnd, c->base_id, (checked != 0)); +} + +int dlg_checkbox_get(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_CHECKBOX); + return 0 != IsDlgButtonChecked(dp->hwnd, c->base_id); +} + +void dlg_editbox_set(union control *ctrl, void *dlg, char const *text) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_EDITBOX); + SetDlgItemText(dp->hwnd, c->base_id+1, text); +} + +void dlg_editbox_get(union control *ctrl, void *dlg, char *buffer, int length) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_EDITBOX); + GetDlgItemText(dp->hwnd, c->base_id+1, buffer, length); + buffer[length-1] = '\0'; +} + +/* The `listbox' functions can also apply to combo boxes. */ +void dlg_listbox_clear(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int msg; + assert(c && + (c->ctrl->generic.type == CTRL_LISTBOX || + (c->ctrl->generic.type == CTRL_EDITBOX && + c->ctrl->editbox.has_list))); + msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ? + LB_RESETCONTENT : CB_RESETCONTENT); + SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0); +} + +void dlg_listbox_del(union control *ctrl, void *dlg, int index) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int msg; + assert(c && + (c->ctrl->generic.type == CTRL_LISTBOX || + (c->ctrl->generic.type == CTRL_EDITBOX && + c->ctrl->editbox.has_list))); + msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ? + LB_DELETESTRING : CB_DELETESTRING); + SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0); +} + +void dlg_listbox_add(union control *ctrl, void *dlg, char const *text) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int msg; + assert(c && + (c->ctrl->generic.type == CTRL_LISTBOX || + (c->ctrl->generic.type == CTRL_EDITBOX && + c->ctrl->editbox.has_list))); + msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ? + LB_ADDSTRING : CB_ADDSTRING); + SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text); +} + +/* + * Each listbox entry may have a numeric id associated with it. + * Note that some front ends only permit a string to be stored at + * each position, which means that _if_ you put two identical + * strings in any listbox then you MUST not assign them different + * IDs and expect to get meaningful results back. + */ +void dlg_listbox_addwithid(union control *ctrl, void *dlg, + char const *text, int id) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int msg, msg2, index; + assert(c && + (c->ctrl->generic.type == CTRL_LISTBOX || + (c->ctrl->generic.type == CTRL_EDITBOX && + c->ctrl->editbox.has_list))); + msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ? + LB_ADDSTRING : CB_ADDSTRING); + msg2 = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ? + LB_SETITEMDATA : CB_SETITEMDATA); + index = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text); + SendDlgItemMessage(dp->hwnd, c->base_id+1, msg2, index, (LPARAM)id); +} + +int dlg_listbox_getid(union control *ctrl, void *dlg, int index) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int msg; + assert(c && c->ctrl->generic.type == CTRL_LISTBOX); + msg = (c->ctrl->listbox.height != 0 ? LB_GETITEMDATA : CB_GETITEMDATA); + return + SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0); +} + +/* dlg_listbox_index returns <0 if no single element is selected. */ +int dlg_listbox_index(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int msg, ret; + assert(c && c->ctrl->generic.type == CTRL_LISTBOX && + !c->ctrl->listbox.multisel); + msg = (c->ctrl->listbox.height != 0 ? LB_GETCURSEL : CB_GETCURSEL); + ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0); + if (ret == LB_ERR) + return -1; + else + return ret; +} + +int dlg_listbox_issel(union control *ctrl, void *dlg, int index) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_LISTBOX && + c->ctrl->listbox.multisel && + c->ctrl->listbox.height != 0); + return + SendDlgItemMessage(dp->hwnd, c->base_id+1, LB_GETSEL, index, 0); +} + +void dlg_listbox_select(union control *ctrl, void *dlg, int index) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int msg; + assert(c && c->ctrl->generic.type == CTRL_LISTBOX && + !c->ctrl->listbox.multisel); + msg = (c->ctrl->listbox.height != 0 ? LB_SETCURSEL : CB_SETCURSEL); + SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0); +} + +void dlg_text_set(union control *ctrl, void *dlg, char const *text) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_TEXT); + SetDlgItemText(dp->hwnd, c->base_id, text); +} + +void dlg_filesel_set(union control *ctrl, void *dlg, Filename fn) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_FILESELECT); + SetDlgItemText(dp->hwnd, c->base_id+1, fn.path); +} + +void dlg_filesel_get(union control *ctrl, void *dlg, Filename *fn) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_FILESELECT); + GetDlgItemText(dp->hwnd, c->base_id+1, fn->path, lenof(fn->path)); + fn->path[lenof(fn->path)-1] = '\0'; +} + +void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec fs) +{ + char *buf, *boldstr; + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_FONTSELECT); + + *(FontSpec *)c->data = fs; /* structure copy */ + + boldstr = (fs.isbold ? "bold, " : ""); + if (fs.height == 0) + buf = dupprintf("Font: %s, %sdefault height", fs.name, boldstr); + else + buf = dupprintf("Font: %s, %s%d-%s", fs.name, boldstr, + (fs.height < 0 ? -fs.height : fs.height), + (fs.height < 0 ? "pixel" : "point")); + SetDlgItemText(dp->hwnd, c->base_id+1, buf); + sfree(buf); +} + +void dlg_fontsel_get(union control *ctrl, void *dlg, FontSpec *fs) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + assert(c && c->ctrl->generic.type == CTRL_FONTSELECT); + *fs = *(FontSpec *)c->data; /* structure copy */ +} + +/* + * Bracketing a large set of updates in these two functions will + * cause the front end (if possible) to delay updating the screen + * until it's all complete, thus avoiding flicker. + */ +void dlg_update_start(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + if (c && c->ctrl->generic.type == CTRL_LISTBOX) { + SendDlgItemMessage(dp->hwnd, c->base_id+1, WM_SETREDRAW, FALSE, 0); + } +} + +void dlg_update_done(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + if (c && c->ctrl->generic.type == CTRL_LISTBOX) { + HWND hw = GetDlgItem(dp->hwnd, c->base_id+1); + SendMessage(hw, WM_SETREDRAW, TRUE, 0); + InvalidateRect(hw, NULL, TRUE); + } +} + +void dlg_set_focus(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct winctrl *c = dlg_findbyctrl(dp, ctrl); + int id; + HWND ctl; + switch (ctrl->generic.type) { + case CTRL_EDITBOX: id = c->base_id + 1; break; + case CTRL_RADIO: + for (id = c->base_id + ctrl->radio.nbuttons; id > 1; id--) + if (IsDlgButtonChecked(dp->hwnd, id)) + break; + /* + * In the theoretically-unlikely case that no button was + * selected, id should come out of this as 1, which is a + * reasonable enough choice. + */ + break; + case CTRL_CHECKBOX: id = c->base_id; break; + case CTRL_BUTTON: id = c->base_id; break; + case CTRL_LISTBOX: id = c->base_id + 1; break; + case CTRL_FILESELECT: id = c->base_id + 1; break; + case CTRL_FONTSELECT: id = c->base_id + 2; break; + default: id = c->base_id; break; + } + ctl = GetDlgItem(dp->hwnd, id); + SetFocus(ctl); +} + +/* + * During event processing, you might well want to give an error + * indication to the user. dlg_beep() is a quick and easy generic + * error; dlg_error() puts up a message-box or equivalent. + */ +void dlg_beep(void *dlg) +{ + /* struct dlgparam *dp = (struct dlgparam *)dlg; */ + MessageBeep(0); +} + +void dlg_error_msg(void *dlg, char *msg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + MessageBox(dp->hwnd, msg, + dp->errtitle ? dp->errtitle : NULL, + MB_OK | MB_ICONERROR); +} + +/* + * This function signals to the front end that the dialog's + * processing is completed, and passes an integer value (typically + * a success status). + */ +void dlg_end(void *dlg, int value) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + dp->ended = TRUE; + dp->endresult = value; +} + +void dlg_refresh(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + int i, j; + struct winctrl *c; + + if (!ctrl) { + /* + * Send EVENT_REFRESH to absolutely everything. + */ + for (j = 0; j < dp->nctrltrees; j++) { + for (i = 0; + (c = winctrl_findbyindex(dp->controltrees[j], i)) != NULL; + i++) { + if (c->ctrl && c->ctrl->generic.handler != NULL) + c->ctrl->generic.handler(c->ctrl, dp, + dp->data, EVENT_REFRESH); + } + } + } else { + /* + * Send EVENT_REFRESH to a specific control. + */ + if (ctrl->generic.handler != NULL) + ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH); + } +} + +void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + dp->coloursel_wanted = TRUE; + dp->coloursel_result.r = r; + dp->coloursel_result.g = g; + dp->coloursel_result.b = b; +} + +int dlg_coloursel_results(union control *ctrl, void *dlg, + int *r, int *g, int *b) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + if (dp->coloursel_result.ok) { + *r = dp->coloursel_result.r; + *g = dp->coloursel_result.g; + *b = dp->coloursel_result.b; + return 1; + } else + return 0; +} + +struct perctrl_privdata { + union control *ctrl; + void *data; + int needs_free; +}; + +static int perctrl_privdata_cmp(void *av, void *bv) +{ + struct perctrl_privdata *a = (struct perctrl_privdata *)av; + struct perctrl_privdata *b = (struct perctrl_privdata *)bv; + if (a->ctrl < b->ctrl) + return -1; + else if (a->ctrl > b->ctrl) + return +1; + return 0; +} + +void dp_init(struct dlgparam *dp) +{ + dp->nctrltrees = 0; + dp->data = NULL; + dp->ended = FALSE; + dp->focused = dp->lastfocused = NULL; + memset(dp->shortcuts, 0, sizeof(dp->shortcuts)); + dp->hwnd = NULL; + dp->wintitle = dp->errtitle = NULL; + dp->privdata = newtree234(perctrl_privdata_cmp); +} + +void dp_add_tree(struct dlgparam *dp, struct winctrls *wc) +{ + assert(dp->nctrltrees < lenof(dp->controltrees)); + dp->controltrees[dp->nctrltrees++] = wc; +} + +void dp_cleanup(struct dlgparam *dp) +{ + struct perctrl_privdata *p; + + if (dp->privdata) { + while ( (p = index234(dp->privdata, 0)) != NULL ) { + del234(dp->privdata, p); + if (p->needs_free) + sfree(p->data); + sfree(p); + } + freetree234(dp->privdata); + dp->privdata = NULL; + } + sfree(dp->wintitle); + sfree(dp->errtitle); +} + +void *dlg_get_privdata(union control *ctrl, void *dlg) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct perctrl_privdata tmp, *p; + tmp.ctrl = ctrl; + p = find234(dp->privdata, &tmp, NULL); + if (p) + return p->data; + else + return NULL; +} + +void dlg_set_privdata(union control *ctrl, void *dlg, void *ptr) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct perctrl_privdata tmp, *p; + tmp.ctrl = ctrl; + p = find234(dp->privdata, &tmp, NULL); + if (!p) { + p = snew(struct perctrl_privdata); + p->ctrl = ctrl; + p->needs_free = FALSE; + add234(dp->privdata, p); + } + p->data = ptr; +} + +void *dlg_alloc_privdata(union control *ctrl, void *dlg, size_t size) +{ + struct dlgparam *dp = (struct dlgparam *)dlg; + struct perctrl_privdata tmp, *p; + tmp.ctrl = ctrl; + p = find234(dp->privdata, &tmp, NULL); + if (!p) { + p = snew(struct perctrl_privdata); + p->ctrl = ctrl; + p->needs_free = FALSE; + add234(dp->privdata, p); + } + assert(!p->needs_free); + p->needs_free = TRUE; + /* + * This is an internal allocation routine, so it's allowed to + * use smalloc directly. + */ + p->data = smalloc(size); + return p->data; +}