git.distorted.org.uk Git - u/mdw/putty/blob - winctrls.c

   1 /*
   2  * winctrls.c: routines to self-manage the controls in a dialog
   3  * box.
   4  */
   5
   6 #include <windows.h>
   7 #include <commctrl.h>
   8
   9 #include "winstuff.h"
  10
  11 #define GAPBETWEEN 3
  12 #define GAPWITHIN 1
  13 #define GAPXBOX 7
  14 #define GAPYBOX 4
  15 #define DLGWIDTH 168
  16 #define STATICHEIGHT 8
  17 #define CHECKBOXHEIGHT 8
  18 #define RADIOHEIGHT 8
  19 #define EDITHEIGHT 12
  20 #define COMBOHEIGHT 12
  21 #define PUSHBTNHEIGHT 14
  22 #define PROGBARHEIGHT 14
  23
  24 void ctlposinit(struct ctlpos *cp, HWND hwnd,
  25                 int leftborder, int rightborder, int topborder) {
  26     RECT r, r2;
  27     cp->hwnd = hwnd;
  28     cp->font = SendMessage(hwnd, WM_GETFONT, 0, 0);
  29     cp->ypos = topborder;
  30     GetClientRect(hwnd, &r);
  31     r2.left = r2.top = 0;
  32     r2.right = 4;
  33     r2.bottom = 8;
  34     MapDialogRect(hwnd, &r2);
  35     cp->dlu4inpix = r2.right;
  36     cp->width = (r.right * 4) / (r2.right) - 2*GAPBETWEEN;
  37     cp->xoff = leftborder;
  38     cp->width -= leftborder + rightborder;
  39 }
  40
  41 void doctl(struct ctlpos *cp, RECT r,
  42            char *wclass, int wstyle, int exstyle,
  43            char *wtext, int wid) {
  44     HWND ctl;
  45     /*
  46      * Note nonstandard use of RECT. This is deliberate: by
  47      * transforming the width and height directly we arrange to
  48      * have all supposedly same-sized controls really same-sized.
  49      */
  50
  51     r.left += cp->xoff;
  52     MapDialogRect(cp->hwnd, &r);
  53
  54     ctl = CreateWindowEx(exstyle, wclass, wtext, wstyle,
  55                          r.left, r.top, r.right, r.bottom,
  56                          cp->hwnd, (HMENU)wid, hinst, NULL);
  57     SendMessage(ctl, WM_SETFONT, cp->font, MAKELPARAM(TRUE, 0));
  58 }
  59
  60 /*
  61  * A title bar across the top of a sub-dialog.
  62  */
  63 void bartitle(struct ctlpos *cp, char *name, int id) {
  64     RECT r;
  65
  66     r.left = GAPBETWEEN; r.right = cp->width;
  67     r.top = cp->ypos; r.bottom = STATICHEIGHT;
  68     cp->ypos += r.bottom + GAPBETWEEN;
  69     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, name, id);
  70 }
  71
  72 /*
  73  * Begin a grouping box, with or without a group title.
  74  */
  75 void beginbox(struct ctlpos *cp, char *name, int idbox) {
  76     cp->boxystart = cp->ypos;
  77     if (!name)
  78         cp->boxystart -= STATICHEIGHT/2;
  79     if (name)
  80         cp->ypos += STATICHEIGHT;
  81     cp->ypos += GAPYBOX;
  82     cp->width -= 2*GAPXBOX;
  83     cp->xoff += GAPXBOX;
  84     cp->boxid = idbox;
  85     cp->boxtext = name;
  86 }
  87
  88 /*
  89  * End a grouping box.
  90  */
  91 void endbox(struct ctlpos *cp) {
  92     RECT r;
  93     cp->xoff -= GAPXBOX;
  94     cp->width += 2*GAPXBOX;
  95     cp->ypos += GAPYBOX - GAPBETWEEN;
  96     r.left = GAPBETWEEN; r.right = cp->width;
  97     r.top = cp->boxystart; r.bottom = cp->ypos - cp->boxystart;
  98     doctl(cp, r, "BUTTON", BS_GROUPBOX | WS_CHILD | WS_VISIBLE, 0,
  99           cp->boxtext ? cp->boxtext : "", cp->boxid);
 100     cp->ypos += GAPYBOX;
 101 }
 102
 103 /*
 104  * Some edit boxes. Each one has a static above it. The percentages
 105  * of the horizontal space are provided.
 106  */
 107 void multiedit(struct ctlpos *cp, ...) {
 108     RECT r;
 109     va_list ap;
 110     int percent, xpos;
 111
 112     percent = xpos = 0;
 113     va_start(ap, cp);
 114     while (1) {
 115         char *text;
 116         int staticid, editid, pcwidth;
 117         text = va_arg(ap, char *);
 118         if (!text)
 119             break;
 120         staticid = va_arg(ap, int);
 121         editid = va_arg(ap, int);
 122         pcwidth = va_arg(ap, int);
 123
 124         r.left = xpos + GAPBETWEEN;
 125         percent += pcwidth;
 126         xpos = (cp->width + GAPBETWEEN) * percent / 100;
 127         r.right = xpos - r.left;
 128
 129         r.top = cp->ypos; r.bottom = STATICHEIGHT;
 130         doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0,
 131               text, staticid);
 132         r.top = cp->ypos + 8 + GAPWITHIN; r.bottom = EDITHEIGHT;
 133         doctl(cp, r, "EDIT",
 134               WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
 135               WS_EX_CLIENTEDGE,
 136               "", editid);
 137     }
 138     va_end(ap);
 139     cp->ypos += 8+GAPWITHIN+12+GAPBETWEEN;
 140 }
 141
 142 /*
 143  * A set of radio buttons on the same line, with a static above
 144  * them. `nacross' dictates how many parts the line is divided into
 145  * (you might want this not to equal the number of buttons if you
 146  * needed to line up some 2s and some 3s to look good in the same
 147  * panel).
 148  */
 149 void radioline(struct ctlpos *cp,
 150                char *text, int id, int nacross, ...) {
 151     RECT r;
 152     va_list ap;
 153     int group;
 154     int i;
 155
 156     r.left = GAPBETWEEN; r.top = cp->ypos;
 157     r.right = cp->width; r.bottom = STATICHEIGHT;
 158     cp->ypos += r.bottom + GAPWITHIN;
 159     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, id);
 160     va_start(ap, nacross);
 161     group = WS_GROUP;
 162     i = 0;
 163     while (1) {
 164         char *btext;
 165         int bid;
 166         btext = va_arg(ap, char *);
 167         if (!btext)
 168             break;
 169         bid = va_arg(ap, int);
 170         r.left = GAPBETWEEN + i * (cp->width+GAPBETWEEN)/nacross;
 171         r.right = (i+1) * (cp->width+GAPBETWEEN)/nacross - r.left;
 172         r.top = cp->ypos; r.bottom = RADIOHEIGHT;
 173         doctl(cp, r, "BUTTON",
 174               BS_AUTORADIOBUTTON | WS_CHILD | WS_VISIBLE | WS_TABSTOP | group,
 175               0,
 176               btext, bid);
 177         group = 0;
 178         i++;
 179     }
 180     va_end(ap);
 181     cp->ypos += r.bottom + GAPBETWEEN;
 182 }
 183
 184 /*
 185  * A set of radio buttons on multiple lines, with a static above
 186  * them.
 187  */
 188 void radiobig(struct ctlpos *cp, char *text, int id, ...) {
 189     RECT r;
 190     va_list ap;
 191     int group;
 192
 193     r.left = GAPBETWEEN; r.top = cp->ypos;
 194     r.right = cp->width; r.bottom = STATICHEIGHT;
 195     cp->ypos += r.bottom + GAPWITHIN;
 196     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, id);
 197     va_start(ap, id);
 198     group = WS_GROUP;
 199     while (1) {
 200         char *btext;
 201         int bid;
 202         btext = va_arg(ap, char *);
 203         if (!btext)
 204             break;
 205         bid = va_arg(ap, int);
 206         r.left = GAPBETWEEN; r.top = cp->ypos;
 207         r.right = cp->width; r.bottom = STATICHEIGHT;
 208         cp->ypos += r.bottom + GAPWITHIN;
 209         doctl(cp, r, "BUTTON",
 210               BS_AUTORADIOBUTTON | WS_CHILD | WS_VISIBLE | WS_TABSTOP | group,
 211               0,
 212               btext, bid);
 213         group = 0;
 214     }
 215     va_end(ap);
 216     cp->ypos += GAPBETWEEN - GAPWITHIN;
 217 }
 218
 219 /*
 220  * A single standalone checkbox.
 221  */
 222 void checkbox(struct ctlpos *cp, char *text, int id) {
 223     RECT r;
 224
 225     r.left = GAPBETWEEN; r.top = cp->ypos;
 226     r.right = cp->width; r.bottom = CHECKBOXHEIGHT;
 227     cp->ypos += r.bottom + GAPBETWEEN;
 228     doctl(cp, r, "BUTTON",
 229           BS_AUTOCHECKBOX | WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0,
 230           text, id);
 231 }
 232
 233 /*
 234  * A single standalone static text control.
 235  */
 236 void statictext(struct ctlpos *cp, char *text, int id) {
 237     RECT r;
 238
 239     r.left = GAPBETWEEN; r.top = cp->ypos;
 240     r.right = cp->width; r.bottom = STATICHEIGHT;
 241     cp->ypos += r.bottom + GAPBETWEEN;
 242     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, id);
 243 }
 244
 245 /*
 246  * A button on the right hand side, with a static to its left.
 247  */
 248 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 249                char *btext, int bid) {
 250     const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
 251                         PUSHBTNHEIGHT : STATICHEIGHT);
 252     RECT r;
 253     int lwid, rwid, rpos;
 254
 255     rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
 256     lwid = rpos - 2*GAPBETWEEN;
 257     rwid = cp->width + GAPBETWEEN - rpos;
 258
 259     r.left = GAPBETWEEN; r.top = cp->ypos + (height-STATICHEIGHT)/2;
 260     r.right = lwid; r.bottom = STATICHEIGHT;
 261     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
 262
 263     r.left = rpos; r.top = cp->ypos + (height-PUSHBTNHEIGHT)/2;
 264     r.right = rwid; r.bottom = PUSHBTNHEIGHT;
 265     doctl(cp, r, "BUTTON",
 266           WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
 267           0,
 268           btext, bid);
 269
 270     cp->ypos += height + GAPBETWEEN;
 271 }
 272
 273 /*
 274  * An edit control on the right hand side, with a static to its left.
 275  */
 276 static void staticedit_internal(struct ctlpos *cp, char *stext,
 277                                 int sid, int eid, int percentedit,
 278                                 int style) {
 279     const int height = (EDITHEIGHT > STATICHEIGHT ?
 280                         EDITHEIGHT : STATICHEIGHT);
 281     RECT r;
 282     int lwid, rwid, rpos;
 283
 284     rpos = GAPBETWEEN + (100-percentedit) * (cp->width + GAPBETWEEN) / 100;
 285     lwid = rpos - 2*GAPBETWEEN;
 286     rwid = cp->width + GAPBETWEEN - rpos;
 287
 288     r.left = GAPBETWEEN; r.top = cp->ypos + (height-STATICHEIGHT)/2;
 289     r.right = lwid; r.bottom = STATICHEIGHT;
 290     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
 291
 292     r.left = rpos; r.top = cp->ypos + (height-EDITHEIGHT)/2;
 293     r.right = rwid; r.bottom = EDITHEIGHT;
 294     doctl(cp, r, "EDIT",
 295           WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | style,
 296           WS_EX_CLIENTEDGE,
 297           "", eid);
 298
 299     cp->ypos += height + GAPBETWEEN;
 300 }
 301
 302 void staticedit(struct ctlpos *cp, char *stext,
 303                 int sid, int eid, int percentedit) {
 304     staticedit_internal(cp, stext, sid, eid, percentedit, 0);
 305 }
 306
 307 void staticpassedit(struct ctlpos *cp, char *stext,
 308                     int sid, int eid, int percentedit) {
 309     staticedit_internal(cp, stext, sid, eid, percentedit, ES_PASSWORD);
 310 }
 311
 312 /*
 313  * A big multiline edit control with a static labelling it.
 314  */
 315 void bigeditctrl(struct ctlpos *cp, char *stext,
 316                  int sid, int eid, int lines) {
 317     RECT r;
 318
 319     r.left = GAPBETWEEN; r.top = cp->ypos;
 320     r.right = cp->width; r.bottom = STATICHEIGHT;
 321     cp->ypos += r.bottom + GAPWITHIN;
 322     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
 323
 324     r.left = GAPBETWEEN; r.top = cp->ypos;
 325     r.right = cp->width; r.bottom = EDITHEIGHT + (lines-1) * STATICHEIGHT;
 326     cp->ypos += r.bottom + GAPBETWEEN;
 327     doctl(cp, r, "EDIT",
 328           WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | ES_MULTILINE,
 329           WS_EX_CLIENTEDGE,
 330           "", eid);
 331 }
 332
 333 /*
 334  * A tab-control substitute when a real tab control is unavailable.
 335  */
 336 void ersatztab(struct ctlpos *cp, char *stext, int sid,
 337                int lid, int s2id) {
 338     const int height = (COMBOHEIGHT > STATICHEIGHT ?
 339                         COMBOHEIGHT : STATICHEIGHT);
 340     RECT r;
 341     int bigwid, lwid, rwid, rpos;
 342     static const int BIGGAP = 15;
 343     static const int MEDGAP = 3;
 344
 345     bigwid = cp->width + 2*GAPBETWEEN - 2*BIGGAP;
 346     cp->ypos += MEDGAP;
 347     rpos = BIGGAP + (bigwid + BIGGAP) / 2;
 348     lwid = rpos - 2*BIGGAP;
 349     rwid = bigwid + BIGGAP - rpos;
 350
 351     r.left = BIGGAP; r.top = cp->ypos + (height-STATICHEIGHT)/2;
 352     r.right = lwid; r.bottom = STATICHEIGHT;
 353     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
 354
 355     r.left = rpos; r.top = cp->ypos + (height-COMBOHEIGHT)/2;
 356     r.right = rwid; r.bottom = COMBOHEIGHT*10;
 357     doctl(cp, r, "COMBOBOX",
 358           WS_CHILD | WS_VISIBLE | WS_TABSTOP |
 359           CBS_DROPDOWNLIST | CBS_HASSTRINGS,
 360           WS_EX_CLIENTEDGE,
 361           "", lid);
 362
 363     cp->ypos += height + MEDGAP + GAPBETWEEN;
 364
 365     r.left = GAPBETWEEN; r.top = cp->ypos;
 366     r.right = cp->width; r.bottom = 2;
 367     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_ETCHEDHORZ,
 368           0, "", s2id);
 369 }
 370
 371 /*
 372  * A static line, followed by an edit control on the left hand side
 373  * and a button on the right.
 374  */
 375 void editbutton(struct ctlpos *cp, char *stext, int sid,
 376                 int eid, char *btext, int bid) {
 377     const int height = (EDITHEIGHT > PUSHBTNHEIGHT ?
 378                         EDITHEIGHT : PUSHBTNHEIGHT);
 379     RECT r;
 380     int lwid, rwid, rpos;
 381
 382     r.left = GAPBETWEEN; r.top = cp->ypos;
 383     r.right = cp->width; r.bottom = STATICHEIGHT;
 384     cp->ypos += r.bottom + GAPWITHIN;
 385     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
 386
 387     rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
 388     lwid = rpos - 2*GAPBETWEEN;
 389     rwid = cp->width + GAPBETWEEN - rpos;
 390
 391     r.left = GAPBETWEEN; r.top = cp->ypos + (height-EDITHEIGHT)/2;
 392     r.right = lwid; r.bottom = EDITHEIGHT;
 393     doctl(cp, r, "EDIT",
 394           WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
 395           WS_EX_CLIENTEDGE,
 396           "", eid);
 397
 398     r.left = rpos; r.top = cp->ypos + (height-PUSHBTNHEIGHT)/2;
 399     r.right = rwid; r.bottom = PUSHBTNHEIGHT;
 400     doctl(cp, r, "BUTTON",
 401           WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
 402           0,
 403           btext, bid);
 404
 405     cp->ypos += height + GAPBETWEEN;
 406 }
 407
 408 /*
 409  * Special control which was hard to describe generically: the
 410  * session-saver assembly. A static; below that an edit box; below
 411  * that a list box. To the right of the list box, a column of
 412  * buttons.
 413  */
 414 void sesssaver(struct ctlpos *cp, char *text,
 415                int staticid, int editid, int listid, ...) {
 416     RECT r;
 417     va_list ap;
 418     int lwid, rwid, rpos;
 419     int y;
 420     const int LISTDEFHEIGHT = 66;
 421
 422     rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
 423     lwid = rpos - 2*GAPBETWEEN;
 424     rwid = cp->width + GAPBETWEEN - rpos;
 425
 426     /* The static control. */
 427     r.left = GAPBETWEEN; r.top = cp->ypos;
 428     r.right = lwid; r.bottom = STATICHEIGHT;
 429     cp->ypos += r.bottom + GAPWITHIN;
 430     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid);
 431
 432     /* The edit control. */
 433     r.left = GAPBETWEEN; r.top = cp->ypos;
 434     r.right = lwid; r.bottom = EDITHEIGHT;
 435     cp->ypos += r.bottom + GAPWITHIN;
 436     doctl(cp, r, "EDIT",
 437           WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
 438           WS_EX_CLIENTEDGE,
 439           "", editid);
 440
 441     /*
 442      * The buttons (we should hold off on the list box until we
 443      * know how big the buttons are).
 444      */
 445     va_start(ap, listid);
 446     y = cp->ypos;
 447     while (1) {
 448         char *btext = va_arg(ap, char *);
 449         int bid;
 450         if (!btext) break;
 451         bid = va_arg(ap, int);
 452         r.left = rpos; r.top = y;
 453         r.right = rwid; r.bottom = PUSHBTNHEIGHT;
 454         y += r.bottom + GAPWITHIN;
 455         doctl(cp, r, "BUTTON",
 456               WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
 457               0,
 458               btext, bid);
 459     }
 460
 461     /* Compute list box height. LISTDEFHEIGHT, or height of buttons. */
 462     y -= cp->ypos;
 463     y -= GAPWITHIN;
 464     if (y < LISTDEFHEIGHT) y = LISTDEFHEIGHT;
 465     r.left = GAPBETWEEN; r.top = cp->ypos;
 466     r.right = lwid; r.bottom = y;
 467     cp->ypos += y + GAPBETWEEN;
 468     doctl(cp, r, "LISTBOX",
 469           WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
 470           LBS_NOTIFY | LBS_HASSTRINGS,
 471           WS_EX_CLIENTEDGE,
 472           "", listid);
 473 }
 474
 475 /*
 476  * Another special control: the environment-variable setter. A
 477  * static line first; then a pair of edit boxes with associated
 478  * statics, and two buttons; then a list box.
 479  */
 480 void envsetter(struct ctlpos *cp, char *stext, int sid,
 481                char *e1stext, int e1sid, int e1id,
 482                char *e2stext, int e2sid, int e2id,
 483                int listid,
 484                char *b1text, int b1id, char *b2text, int b2id) {
 485     RECT r;
 486     const int height = (STATICHEIGHT > EDITHEIGHT && STATICHEIGHT > PUSHBTNHEIGHT ?
 487                         STATICHEIGHT :
 488                         EDITHEIGHT > PUSHBTNHEIGHT ?
 489                         EDITHEIGHT : PUSHBTNHEIGHT);
 490     const static int percents[] = { 20, 35, 10, 25 };
 491     int i, j, xpos, percent;
 492     const int LISTHEIGHT = 42;
 493
 494     /* The static control. */
 495     r.left = GAPBETWEEN; r.top = cp->ypos;
 496     r.right = cp->width; r.bottom = STATICHEIGHT;
 497     cp->ypos += r.bottom + GAPWITHIN;
 498     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
 499
 500     /* The statics+edits+buttons. */
 501     for (j = 0; j < 2; j++) {
 502         percent = 10;
 503         for (i = 0; i < 4; i++) {
 504             xpos = (cp->width + GAPBETWEEN) * percent / 100;
 505             r.left = xpos + GAPBETWEEN;
 506             percent += percents[i];
 507             xpos = (cp->width + GAPBETWEEN) * percent / 100;
 508             r.right = xpos - r.left;
 509             r.top = cp->ypos;
 510             r.bottom = (i==0 ? STATICHEIGHT :
 511                         i==1 ? EDITHEIGHT :
 512                         PUSHBTNHEIGHT);
 513             r.top += (height-r.bottom)/2;
 514             if (i==0) {
 515                 doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0,
 516                       j==0 ? e1stext : e2stext, j==0 ? e1sid : e2sid);
 517             } else if (i==1) {
 518                 doctl(cp, r, "EDIT",
 519                       WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
 520                       WS_EX_CLIENTEDGE,
 521                       "", j==0 ? e1id : e2id);
 522             } else if (i==3) {
 523                 doctl(cp, r, "BUTTON",
 524                       WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
 525                       0,
 526                       j==0 ? b1text : b2text, j==0 ? b1id : b2id);
 527             }
 528         }
 529         cp->ypos += height + GAPWITHIN;
 530     }
 531
 532     /* The list box. */
 533     r.left = GAPBETWEEN; r.top = cp->ypos;
 534     r.right = cp->width; r.bottom = LISTHEIGHT;
 535     cp->ypos += r.bottom + GAPBETWEEN;
 536     doctl(cp, r, "LISTBOX",
 537           WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | LBS_HASSTRINGS |
 538           LBS_USETABSTOPS,
 539           WS_EX_CLIENTEDGE,
 540           "", listid);
 541 }
 542
 543 /*
 544  * Yet another special control: the character-class setter. A
 545  * static, then a list, then a line containing a
 546  * button-and-static-and-edit.
 547  */
 548 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 549                char *btext, int bid, int eid, char *s2text, int s2id) {
 550     RECT r;
 551     const int height = (STATICHEIGHT > EDITHEIGHT && STATICHEIGHT > PUSHBTNHEIGHT ?
 552                         STATICHEIGHT :
 553                         EDITHEIGHT > PUSHBTNHEIGHT ?
 554                         EDITHEIGHT : PUSHBTNHEIGHT);
 555     const static int percents[] = { 30, 40, 30 };
 556     int i, xpos, percent;
 557     const int LISTHEIGHT = 66;
 558
 559     /* The static control. */
 560     r.left = GAPBETWEEN; r.top = cp->ypos;
 561     r.right = cp->width; r.bottom = STATICHEIGHT;
 562     cp->ypos += r.bottom + GAPWITHIN;
 563     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
 564
 565     /* The list box. */
 566     r.left = GAPBETWEEN; r.top = cp->ypos;
 567     r.right = cp->width; r.bottom = LISTHEIGHT;
 568     cp->ypos += r.bottom + GAPWITHIN;
 569     doctl(cp, r, "LISTBOX",
 570           WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | LBS_HASSTRINGS |
 571           LBS_USETABSTOPS,
 572           WS_EX_CLIENTEDGE,
 573           "", listid);
 574
 575     /* The button+static+edit. */
 576     percent = xpos = 0;
 577     for (i = 0; i < 3; i++) {
 578         r.left = xpos + GAPBETWEEN;
 579         percent += percents[i];
 580         xpos = (cp->width + GAPBETWEEN) * percent / 100;
 581         r.right = xpos - r.left;
 582         r.top = cp->ypos;
 583         r.bottom = (i==0 ? PUSHBTNHEIGHT :
 584                     i==1 ? STATICHEIGHT :
 585                     EDITHEIGHT);
 586         r.top += (height-r.bottom)/2;
 587         if (i==0) {
 588             doctl(cp, r, "BUTTON",
 589                   WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
 590                   0, btext, bid);
 591         } else if (i==1) {
 592             doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_CENTER,
 593                   0, s2text, s2id);
 594         } else if (i==2) {
 595             doctl(cp, r, "EDIT",
 596                   WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
 597                   WS_EX_CLIENTEDGE, "", eid);
 598         }
 599     }
 600     cp->ypos += height + GAPBETWEEN;
 601 }
 602
 603 /*
 604  * A special control (horrors!). The colour editor. A static line;
 605  * then on the left, a list box, and on the right, a sequence of
 606  * two-part statics followed by a button.
 607  */
 608 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 609                 char *btext, int bid, ...) {
 610     RECT r;
 611     int y;
 612     va_list ap;
 613     int lwid, rwid, rpos;
 614     const int LISTHEIGHT = 66;
 615
 616     /* The static control. */
 617     r.left = GAPBETWEEN; r.top = cp->ypos;
 618     r.right = cp->width; r.bottom = STATICHEIGHT;
 619     cp->ypos += r.bottom + GAPWITHIN;
 620     doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
 621
 622     rpos = GAPBETWEEN + 2 * (cp->width + GAPBETWEEN) / 3;
 623     lwid = rpos - 2*GAPBETWEEN;
 624     rwid = cp->width + GAPBETWEEN - rpos;
 625
 626     /* The list box. */
 627     r.left = GAPBETWEEN; r.top = cp->ypos;
 628     r.right = lwid; r.bottom = LISTHEIGHT;
 629     doctl(cp, r, "LISTBOX",
 630           WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | LBS_HASSTRINGS |
 631           LBS_USETABSTOPS | LBS_NOTIFY,
 632           WS_EX_CLIENTEDGE,
 633           "", listid);
 634
 635     /* The statics. */
 636     y = cp->ypos;
 637     va_start(ap, bid);
 638     while (1) {
 639         char *ltext;
 640         int lid, rid;
 641         ltext = va_arg(ap, char *);
 642         if (!ltext) break;
 643         lid = va_arg(ap, int);
 644         rid = va_arg(ap, int);
 645         r.top = y; r.bottom = STATICHEIGHT;
 646         y += r.bottom + GAPWITHIN;
 647         r.left = rpos; r.right = rwid/2;
 648         doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, ltext, lid);
 649         r.left = rpos + r.right; r.right = rwid - r.right;
 650         doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_RIGHT, 0, "", rid);
 651     }
 652     va_end(ap);
 653
 654     /* The button. */
 655     r.top = y + 2*GAPWITHIN; r.bottom = PUSHBTNHEIGHT;
 656     r.left = rpos; r.right = rwid;
 657     doctl(cp, r, "BUTTON",
 658           WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
 659           0, btext, bid);
 660
 661     cp->ypos += LISTHEIGHT + GAPBETWEEN;
 662 }
 663
 664 /*
 665  * A progress bar (from Common Controls). We like our progress bars
 666  * to be smooth and unbroken, without those ugly divisions; some
 667  * older compilers may not support that, but that's life.
 668  */
 669 void progressbar(struct ctlpos *cp, int id) {
 670     RECT r;
 671
 672     r.left = GAPBETWEEN; r.top = cp->ypos;
 673     r.right = cp->width; r.bottom = PROGBARHEIGHT;
 674     cp->ypos += r.bottom + GAPBETWEEN;
 675
 676     doctl(cp, r, PROGRESS_CLASS,
 677           WS_CHILD | WS_VISIBLE
 678 #ifdef PBS_SMOOTH
 679           | PBS_SMOOTH
 680 #endif
 681           , WS_EX_CLIENTEDGE, "", id);
 682 }