Dogcows Code - chaz/openbox/blob - src/Toolbar.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2 // Toolbar.cc for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
   4 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining a
   7 // copy of this software and associated documentation files (the "Software"),
   8 // to deal in the Software without restriction, including without limitation
   9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 // and/or sell copies of the Software, and to permit persons to whom the
  11 // Software is furnished to do so, subject to the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be included in
  14 // all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 // DEALINGS IN THE SOFTWARE.
  23
  24 #ifdef    HAVE_CONFIG_H
  25 #  include "../config.h"
  26 #endif // HAVE_CONFIG_H
  27
  28 extern "C" {
  29 #include <X11/keysym.h>
  30
  31 #ifdef HAVE_STRING_H
  32 #  include <string.h>
  33 #endif // HAVE_STRING_H
  34
  35 #ifdef    HAVE_STDIO_H
  36 #  include <stdio.h>
  37 #endif // HAVE_STDIO_H
  38
  39 #ifdef    TIME_WITH_SYS_TIME
  40 # include <sys/time.h>
  41 # include <time.h>
  42 #else // !TIME_WITH_SYS_TIME
  43 # ifdef    HAVE_SYS_TIME_H
  44 #  include <sys/time.h>
  45 # else // !HAVE_SYS_TIME_H
  46 #  include <time.h>
  47 # endif // HAVE_SYS_TIME_H
  48 #endif // TIME_WITH_SYS_TIME
  49 }
  50
  51 #include <string>
  52 using std::string;
  53
  54 #include "i18n.hh"
  55 #include "blackbox.hh"
  56 #include "Font.hh"
  57 #include "GCCache.hh"
  58 #include "Image.hh"
  59 #include "Screen.hh"
  60 #include "Toolbar.hh"
  61 #include "Window.hh"
  62 #include "Workspace.hh"
  63 #include "Clientmenu.hh"
  64 #include "Workspacemenu.hh"
  65 #include "Slit.hh"
  66
  67
  68 static long aMinuteFromNow(void) {
  69   timeval now;
  70   gettimeofday(&now, 0);
  71   return ((60 - (now.tv_sec % 60)) * 1000);
  72 }
  73
  74
  75 Toolbar::Toolbar(BScreen *scrn) {
  76   screen = scrn;
  77   blackbox = screen->getBlackbox();
  78   toolbarstr = "session.screen" + itostring(screen->getScreenNumber()) +
  79     ".toolbar.";
  80   config = blackbox->getConfig();
  81
  82   load_rc();
  83
  84   // get the clock updating every minute
  85   clock_timer = new BTimer(blackbox, this);
  86   clock_timer->setTimeout(aMinuteFromNow());
  87   clock_timer->recurring(True);
  88   clock_timer->start();
  89   frame.minute = frame.hour = -1;
  90
  91   hide_handler.toolbar = this;
  92   hide_timer = new BTimer(blackbox, &hide_handler);
  93   hide_timer->setTimeout(blackbox->getAutoRaiseDelay());
  94
  95   editing = False;
  96   new_name_pos = 0;
  97
  98   toolbarmenu = new Toolbarmenu(this);
  99
 100   display = blackbox->getXDisplay();
 101   XSetWindowAttributes attrib;
 102   unsigned long create_mask = CWBackPixmap | CWBackPixel | CWBorderPixel |
 103                               CWColormap | CWOverrideRedirect | CWEventMask;
 104   attrib.background_pixmap = None;
 105   attrib.background_pixel = attrib.border_pixel =
 106     screen->getBorderColor()->pixel();
 107   attrib.colormap = screen->getColormap();
 108   attrib.override_redirect = True;
 109   attrib.event_mask = ButtonPressMask | ButtonReleaseMask |
 110                       EnterWindowMask | LeaveWindowMask;
 111
 112   frame.window =
 113     XCreateWindow(display, screen->getRootWindow(), 0, 0, 1, 1, 0,
 114                   screen->getDepth(), InputOutput, screen->getVisual(),
 115                   create_mask, &attrib);
 116   blackbox->saveToolbarSearch(frame.window, this);
 117
 118   attrib.event_mask = ButtonPressMask | ButtonReleaseMask | ExposureMask |
 119                       KeyPressMask | EnterWindowMask;
 120
 121   frame.workspace_label =
 122     XCreateWindow(display, frame.window, 0, 0, 1, 1, 0, screen->getDepth(),
 123                   InputOutput, screen->getVisual(), create_mask, &attrib);
 124   blackbox->saveToolbarSearch(frame.workspace_label, this);
 125
 126   frame.window_label =
 127     XCreateWindow(display, frame.window, 0, 0, 1, 1, 0, screen->getDepth(),
 128                   InputOutput, screen->getVisual(), create_mask, &attrib);
 129   blackbox->saveToolbarSearch(frame.window_label, this);
 130
 131   frame.clock =
 132     XCreateWindow(display, frame.window, 0, 0, 1, 1, 0, screen->getDepth(),
 133                   InputOutput, screen->getVisual(), create_mask, &attrib);
 134   blackbox->saveToolbarSearch(frame.clock, this);
 135
 136   frame.psbutton =
 137     XCreateWindow(display ,frame.window, 0, 0, 1, 1, 0, screen->getDepth(),
 138                   InputOutput, screen->getVisual(), create_mask, &attrib);
 139   blackbox->saveToolbarSearch(frame.psbutton, this);
 140
 141   frame.nsbutton =
 142     XCreateWindow(display ,frame.window, 0, 0, 1, 1, 0, screen->getDepth(),
 143                   InputOutput, screen->getVisual(), create_mask, &attrib);
 144   blackbox->saveToolbarSearch(frame.nsbutton, this);
 145
 146   frame.pwbutton =
 147     XCreateWindow(display ,frame.window, 0, 0, 1, 1, 0, screen->getDepth(),
 148                   InputOutput, screen->getVisual(), create_mask, &attrib);
 149   blackbox->saveToolbarSearch(frame.pwbutton, this);
 150
 151   frame.nwbutton =
 152     XCreateWindow(display ,frame.window, 0, 0, 1, 1, 0, screen->getDepth(),
 153                   InputOutput, screen->getVisual(), create_mask, &attrib);
 154   blackbox->saveToolbarSearch(frame.nwbutton, this);
 155
 156   frame.base = frame.label = frame.wlabel = frame.clk = frame.button =
 157     frame.pbutton = None;
 158
 159   reconfigure();
 160   mapToolbar();
 161 }
 162
 163
 164 Toolbar::~Toolbar(void) {
 165   unmapToolbar();
 166
 167   if (frame.base) screen->getImageControl()->removeImage(frame.base);
 168   if (frame.label) screen->getImageControl()->removeImage(frame.label);
 169   if (frame.wlabel) screen->getImageControl()->removeImage(frame.wlabel);
 170   if (frame.clk) screen->getImageControl()->removeImage(frame.clk);
 171   if (frame.button) screen->getImageControl()->removeImage(frame.button);
 172   if (frame.pbutton) screen->getImageControl()->removeImage(frame.pbutton);
 173
 174   blackbox->removeToolbarSearch(frame.window);
 175   blackbox->removeToolbarSearch(frame.workspace_label);
 176   blackbox->removeToolbarSearch(frame.window_label);
 177   blackbox->removeToolbarSearch(frame.clock);
 178   blackbox->removeToolbarSearch(frame.psbutton);
 179   blackbox->removeToolbarSearch(frame.nsbutton);
 180   blackbox->removeToolbarSearch(frame.pwbutton);
 181   blackbox->removeToolbarSearch(frame.nwbutton);
 182
 183   XDestroyWindow(display, frame.workspace_label);
 184   XDestroyWindow(display, frame.window_label);
 185   XDestroyWindow(display, frame.clock);
 186
 187   XDestroyWindow(display, frame.window);
 188
 189   delete hide_timer;
 190   delete clock_timer;
 191   delete toolbarmenu;
 192 }
 193
 194
 195 void Toolbar::mapToolbar() {
 196   if (!screen->doHideToolbar()) {
 197     //not hidden, so windows should not maximize over the toolbar
 198     XMapSubwindows(display, frame.window);
 199     XMapWindow(display, frame.window);
 200   }
 201   screen->addStrut(&strut);
 202   updateStrut();
 203 }
 204
 205
 206 void Toolbar::unmapToolbar() {
 207   if (toolbarmenu->isVisible())
 208     toolbarmenu->hide();
 209   //hidden so we can maximize over the toolbar
 210   screen->removeStrut(&strut);
 211   screen->updateAvailableArea();
 212
 213   XUnmapWindow(display, frame.window);
 214   updateStrut();
 215 }
 216
 217
 218 void Toolbar::saveOnTop(bool b) {
 219   on_top = b;
 220   config->setValue(toolbarstr + "onTop", on_top);
 221 }
 222
 223
 224 void Toolbar::saveAutoHide(bool b) {
 225   do_auto_hide = b;
 226   config->setValue(toolbarstr + "autoHide", do_auto_hide);
 227 }
 228
 229
 230 void Toolbar::saveWidthPercent(unsigned int w) {
 231   width_percent = w;
 232   config->setValue(toolbarstr + "widthPercent", width_percent);
 233 }
 234
 235
 236 void Toolbar::savePlacement(int p) {
 237   placement = p;
 238   const char *pname;
 239   switch (placement) {
 240   case TopLeft: pname = "TopLeft"; break;
 241   case BottomLeft: pname = "BottomLeft"; break;
 242   case TopCenter: pname = "TopCenter"; break;
 243   case TopRight: pname = "TopRight"; break;
 244   case BottomRight: pname = "BottomRight"; break;
 245   case BottomCenter: default: pname = "BottomCenter"; break;
 246   }
 247   config->setValue(toolbarstr + "placement", pname);
 248 }
 249
 250
 251 void Toolbar::save_rc(void) {
 252   saveOnTop(on_top);
 253   saveAutoHide(do_auto_hide);
 254   saveWidthPercent(width_percent);
 255   savePlacement(placement);
 256 }
 257
 258
 259 void Toolbar::load_rc(void) {
 260   string s;
 261
 262   if (! config->getValue(toolbarstr + "onTop", on_top))
 263     on_top = false;
 264
 265   if (! config->getValue(toolbarstr + "autoHide", do_auto_hide))
 266     do_auto_hide = false;
 267   hidden = do_auto_hide;
 268
 269   if (! config->getValue(toolbarstr + "widthPercent", width_percent) ||
 270       width_percent == 0 || width_percent > 100)
 271     width_percent = 66;
 272
 273   if (config->getValue(toolbarstr + "placement", s)) {
 274     if (s == "TopLeft")
 275       placement = TopLeft;
 276     else if (s == "BottomLeft")
 277       placement = BottomLeft;
 278     else if (s == "TopCenter")
 279       placement = TopCenter;
 280     else if (s == "TopRight")
 281       placement = TopRight;
 282     else if (s == "BottomRight")
 283       placement = BottomRight;
 284     else //if (s == "BottomCenter")
 285       placement = BottomCenter;
 286   } else
 287     placement = BottomCenter;
 288 }
 289
 290
 291 void Toolbar::reconfigure(void) {
 292   unsigned int width, height;
 293
 294   width = (screen->getWidth() * width_percent) / 100;
 295   height = screen->getToolbarStyle()->font->height();
 296
 297   frame.bevel_w = screen->getBevelWidth();
 298   frame.button_w = height;
 299   height += 2;
 300   frame.label_h = height;
 301   height += (frame.bevel_w * 2);
 302
 303   frame.rect.setSize(width, height);
 304
 305   int x, y;
 306   switch (placement) {
 307   case TopLeft:
 308   case TopRight:
 309   case TopCenter:
 310     if (placement == TopLeft)
 311       x = 0;
 312     else if (placement == TopRight)
 313       x = screen->getWidth() - frame.rect.width()
 314         - (screen->getBorderWidth() * 2);
 315     else
 316       x = (screen->getWidth() - frame.rect.width()) / 2;
 317
 318     y = 0;
 319
 320     frame.x_hidden = x;
 321     frame.y_hidden = screen->getBevelWidth() - screen->getBorderWidth()
 322                      - frame.rect.height();
 323     break;
 324
 325   case BottomLeft:
 326   case BottomRight:
 327   case BottomCenter:
 328   default:
 329     if (placement == BottomLeft)
 330       x = 0;
 331     else if (placement == BottomRight)
 332       x = screen->getWidth() - frame.rect.width()
 333         - (screen->getBorderWidth() * 2);
 334     else
 335       x = (screen->getWidth() - frame.rect.width()) / 2;
 336
 337     y = screen->getHeight() - frame.rect.height()
 338       - (screen->getBorderWidth() * 2);
 339
 340     frame.x_hidden = x;
 341     frame.y_hidden = screen->getHeight() - screen->getBevelWidth()
 342                      - screen->getBorderWidth();
 343     break;
 344   }
 345
 346   frame.rect.setPos(x, y);
 347
 348   updateStrut();
 349
 350 #ifdef    HAVE_STRFTIME
 351   time_t ttmp = time(NULL);
 352
 353   frame.clock_w = 0;
 354   if (ttmp != -1) {
 355     struct tm *tt = localtime(&ttmp);
 356     if (tt) {
 357       char t[1024];
 358       int len = strftime(t, 1024, screen->getStrftimeFormat(), tt);
 359       if (len == 0) { // invalid time format found
 360         screen->saveStrftimeFormat("%I:%M %p"); // so use the default
 361         strftime(t, 1024, screen->getStrftimeFormat(), tt);
 362       }
 363       // find the length of the rendered string and add room for two extra
 364       // characters to it.  This allows for variable width output of the fonts
 365       BFont *font = screen->getToolbarStyle()->font;
 366       frame.clock_w = font->measureString(t) + font->maxCharWidth() * 2;
 367     }
 368   }
 369 #else // !HAVE_STRFTIME
 370   {
 371     string s = i18n(ToolbarSet, ToolbarNoStrftimeLength, "00:00000");
 372     frame.clock_w = screen->getToolbarStyle()->font->measureString(s);
 373   }
 374 #endif // HAVE_STRFTIME
 375
 376   frame.workspace_label_w = 0;
 377
 378   for (unsigned int i = 0; i < screen->getWorkspaceCount(); i++) {
 379     const string& workspace_name = screen->getWorkspace(i)->getName();
 380     width = screen->getToolbarStyle()->font->measureString(workspace_name);
 381     if (width > frame.workspace_label_w) frame.workspace_label_w = width;
 382   }
 383
 384   frame.workspace_label_w = frame.clock_w =
 385     std::max(frame.workspace_label_w, frame.clock_w) + (frame.bevel_w * 4);
 386
 387   // XXX: where'd the +6 come from?
 388   frame.window_label_w =
 389     (frame.rect.width() - (frame.clock_w + (frame.button_w * 4) +
 390                            frame.workspace_label_w + (frame.bevel_w * 8) + 6));
 391
 392   if (hidden) {
 393     XMoveResizeWindow(display, frame.window, frame.x_hidden, frame.y_hidden,
 394                       frame.rect.width(), frame.rect.height());
 395   } else {
 396     XMoveResizeWindow(display, frame.window, frame.rect.x(), frame.rect.y(),
 397                       frame.rect.width(), frame.rect.height());
 398   }
 399
 400   XMoveResizeWindow(display, frame.workspace_label, frame.bevel_w,
 401                     frame.bevel_w, frame.workspace_label_w,
 402                     frame.label_h);
 403   XMoveResizeWindow(display, frame.psbutton,
 404                     ((frame.bevel_w * 2) + frame.workspace_label_w + 1),
 405                     frame.bevel_w + 1, frame.button_w, frame.button_w);
 406   XMoveResizeWindow(display, frame.nsbutton,
 407                     ((frame.bevel_w * 3) + frame.workspace_label_w +
 408                      frame.button_w + 2), frame.bevel_w + 1, frame.button_w,
 409                     frame.button_w);
 410   XMoveResizeWindow(display, frame.window_label,
 411                     ((frame.bevel_w * 4) + (frame.button_w * 2) +
 412                      frame.workspace_label_w + 3), frame.bevel_w,
 413                     frame.window_label_w, frame.label_h);
 414   XMoveResizeWindow(display, frame.pwbutton,
 415                     ((frame.bevel_w * 5) + (frame.button_w * 2) +
 416                      frame.workspace_label_w + frame.window_label_w + 4),
 417                     frame.bevel_w + 1, frame.button_w, frame.button_w);
 418   XMoveResizeWindow(display, frame.nwbutton,
 419                     ((frame.bevel_w * 6) + (frame.button_w * 3) +
 420                      frame.workspace_label_w + frame.window_label_w + 5),
 421                     frame.bevel_w + 1, frame.button_w, frame.button_w);
 422   XMoveResizeWindow(display, frame.clock,
 423                     frame.rect.width() - frame.clock_w - (frame.bevel_w * 2),
 424                     frame.bevel_w, frame.clock_w, frame.label_h);
 425
 426   ToolbarStyle *style = screen->getToolbarStyle();
 427   frame.base = style->toolbar.render(frame.rect.width(), frame.rect.height(),
 428                                      frame.base);
 429   if (! frame.base)
 430     XSetWindowBackground(display, frame.window,
 431                          style->toolbar.color().pixel());
 432   else
 433     XSetWindowBackgroundPixmap(display, frame.window, frame.base);
 434
 435   frame.label = style->window.render(frame.window_label_w, frame.label_h,
 436                                      frame.label);
 437   if (! frame.label)
 438     XSetWindowBackground(display, frame.window_label,
 439                          style->window.color().pixel());
 440   else
 441     XSetWindowBackgroundPixmap(display, frame.window_label, frame.label);
 442
 443   frame.wlabel = style->label.render(frame.workspace_label_w, frame.label_h,
 444                                 frame.wlabel);
 445   if (! frame.wlabel)
 446     XSetWindowBackground(display, frame.workspace_label,
 447                          style->label.color().pixel());
 448   else
 449     XSetWindowBackgroundPixmap(display, frame.workspace_label, frame.wlabel);
 450
 451   frame.clk = style->clock.render(frame.clock_w, frame.label_h, frame.clk);
 452   if (! frame.clk)
 453     XSetWindowBackground(display, frame.clock, style->clock.color().pixel());
 454   else
 455     XSetWindowBackgroundPixmap(display, frame.clock, frame.clk);
 456
 457   frame.button = style->button.render(frame.button_w, frame.button_w,
 458                                 frame.button);
 459   if (! frame.button) {
 460     frame.button_pixel = style->button.color().pixel();
 461     XSetWindowBackground(display, frame.psbutton, frame.button_pixel);
 462     XSetWindowBackground(display, frame.nsbutton, frame.button_pixel);
 463     XSetWindowBackground(display, frame.pwbutton, frame.button_pixel);
 464     XSetWindowBackground(display, frame.nwbutton, frame.button_pixel);
 465   } else {
 466     XSetWindowBackgroundPixmap(display, frame.psbutton, frame.button);
 467     XSetWindowBackgroundPixmap(display, frame.nsbutton, frame.button);
 468     XSetWindowBackgroundPixmap(display, frame.pwbutton, frame.button);
 469     XSetWindowBackgroundPixmap(display, frame.nwbutton, frame.button);
 470   }
 471
 472   frame.pbutton = style->pressed.render(frame.button_w, frame.button_w,
 473                                         frame.pbutton);
 474   if (! frame.pbutton)
 475     frame.pbutton_pixel = style->pressed.color().pixel();
 476
 477   XSetWindowBorder(display, frame.window,
 478                    screen->getBorderColor()->pixel());
 479   XSetWindowBorderWidth(display, frame.window, screen->getBorderWidth());
 480
 481   XClearWindow(display, frame.window);
 482   XClearWindow(display, frame.workspace_label);
 483   XClearWindow(display, frame.window_label);
 484   XClearWindow(display, frame.clock);
 485   XClearWindow(display, frame.psbutton);
 486   XClearWindow(display, frame.nsbutton);
 487   XClearWindow(display, frame.pwbutton);
 488   XClearWindow(display, frame.nwbutton);
 489
 490   redrawWindowLabel();
 491   redrawWorkspaceLabel();
 492   redrawPrevWorkspaceButton();
 493   redrawNextWorkspaceButton();
 494   redrawPrevWindowButton();
 495   redrawNextWindowButton();
 496   checkClock(True);
 497
 498   toolbarmenu->reconfigure();
 499 }
 500
 501
 502 void Toolbar::updateStrut(void) {
 503   // left and right are always 0
 504   strut.top = strut.bottom = 0;
 505
 506   // when hidden only one border is visible
 507   unsigned int border_width = screen->getBorderWidth();
 508   if (! do_auto_hide)
 509     border_width *= 2;
 510
 511   if (! screen->doHideToolbar()) {
 512     switch(placement) {
 513     case TopLeft:
 514     case TopCenter:
 515     case TopRight:
 516       strut.top = getExposedHeight() + border_width;
 517       break;
 518     default:
 519       strut.bottom = getExposedHeight() + border_width;
 520     }
 521   }
 522
 523   screen->updateAvailableArea();
 524 }
 525
 526
 527 #ifdef    HAVE_STRFTIME
 528 void Toolbar::checkClock(bool redraw) {
 529 #else // !HAVE_STRFTIME
 530 void Toolbar::checkClock(bool redraw, bool date) {
 531 #endif // HAVE_STRFTIME
 532   time_t tmp = 0;
 533   struct tm *tt = 0;
 534
 535   if ((tmp = time(NULL)) != -1) {
 536     if (! (tt = localtime(&tmp))) return;
 537     if (tt->tm_min != frame.minute || tt->tm_hour != frame.hour) {
 538       frame.hour = tt->tm_hour;
 539       frame.minute = tt->tm_min;
 540       XClearWindow(display, frame.clock);
 541       redraw = True;
 542     }
 543   }
 544
 545   if (redraw) {
 546 #ifdef    HAVE_STRFTIME
 547     char t[1024];
 548     if (! strftime(t, 1024, screen->getStrftimeFormat(), tt))
 549       return;
 550 #else // !HAVE_STRFTIME
 551     char t[9];
 552     if (date) {
 553       // format the date... with special consideration for y2k ;)
 554       if (screen->getDateFormat() == Blackbox::B_EuropeanDate)
 555         sprintf(t, 18n(ToolbarSet, ToolbarNoStrftimeDateFormatEu,
 556                        "%02d.%02d.%02d"),
 557                 tt->tm_mday, tt->tm_mon + 1,
 558                 (tt->tm_year >= 100) ? tt->tm_year - 100 : tt->tm_year);
 559       else
 560         sprintf(t, i18n(ToolbarSet, ToolbarNoStrftimeDateFormat,
 561                         "%02d/%02d/%02d"),
 562                 tt->tm_mon + 1, tt->tm_mday,
 563                 (tt->tm_year >= 100) ? tt->tm_year - 100 : tt->tm_year);
 564     } else {
 565       if (screen->isClock24Hour())
 566         sprintf(t, i18n(ToolbarSet, ToolbarNoStrftimeTimeFormat24,
 567                         "  %02d:%02d "),
 568                 frame.hour, frame.minute);
 569       else
 570         sprintf(t, i18n(ToolbarSet, ToolbarNoStrftimeTimeFormat12,
 571                         "%02d:%02d %sm"),
 572                 ((frame.hour > 12) ? frame.hour - 12 :
 573                  ((frame.hour == 0) ? 12 : frame.hour)), frame.minute,
 574                 ((frame.hour >= 12) ?
 575                  i18n(ToolbarSet, ToolbarNoStrftimeTimeFormatP, "p") :
 576                  i18n(ToolbarSet, ToolbarNoStrftimeTimeFormatA, "a")));
 577     }
 578 #endif // HAVE_STRFTIME
 579
 580     ToolbarStyle *style = screen->getToolbarStyle();
 581
 582     int pos = frame.bevel_w * 2; // this is modified by doJustify()
 583     style->doJustify(t, pos, frame.clock_w, frame.bevel_w * 4);
 584
 585 #ifdef    XFT
 586     XClearWindow(display, frame.clock);
 587 #endif // XFT
 588
 589     style->font->drawString(frame.clock, pos, 1, style->c_text, t);
 590   }
 591 }
 592
 593
 594 void Toolbar::redrawWindowLabel(bool redraw) {
 595   BlackboxWindow *foc = screen->getBlackbox()->getFocusedWindow();
 596   if (! foc) {
 597     XClearWindow(display, frame.window_label);
 598     return;
 599   }
 600
 601 #ifdef    XFT
 602   redraw = true;
 603 #endif // XFT
 604
 605   if (redraw)
 606     XClearWindow(display, frame.window_label);
 607
 608   if (foc->getScreen() != screen) return;
 609
 610   const char *title = foc->getTitle();
 611   ToolbarStyle *style = screen->getToolbarStyle();
 612
 613   int pos = frame.bevel_w * 2; // modified by doJustify()
 614   style->doJustify(title, pos, frame.window_label_w, frame.bevel_w * 4);
 615   style->font->drawString(frame.window_label, pos, 1, style->w_text, title);
 616 }
 617
 618
 619 void Toolbar::redrawWorkspaceLabel(bool redraw) {
 620   const string& name = screen->getCurrentWorkspace()->getName();
 621
 622 #ifdef    XFT
 623   redraw = true;
 624 #endif // XFT
 625
 626   if (redraw)
 627     XClearWindow(display, frame.workspace_label);
 628
 629   ToolbarStyle *style = screen->getToolbarStyle();
 630
 631   int pos = frame.bevel_w * 2;
 632   style->doJustify(name.c_str(), pos, frame.workspace_label_w,
 633                    frame.bevel_w * 4);
 634   style->font->drawString(frame.workspace_label, pos, 1, style->l_text, name);
 635 }
 636
 637
 638 void Toolbar::drawArrow(Drawable surface, bool left) const {
 639   ToolbarStyle *style = screen->getToolbarStyle();
 640
 641   BPen pen(style->b_pic);
 642
 643   int hh = frame.button_w / 2, hw = frame.button_w / 2;
 644   XPoint pts[3];
 645   const int bullet_size = 3;
 646
 647
 648   if (left) {
 649 #ifdef    BITMAPBUTTONS
 650     if (style->left_button.mask != None) {
 651       XSetClipMask(blackbox->getXDisplay(), pen.gc(), style->left_button.mask);
 652       XSetClipOrigin(blackbox->getXDisplay(), pen.gc(),
 653                      (frame.button_w - style->left_button.w)/2,
 654                      (frame.button_w - style->left_button.h)/2);
 655
 656       XFillRectangle(blackbox->getXDisplay(), surface, pen.gc(),
 657                      (frame.button_w - style->left_button.w)/2,
 658                      (frame.button_w - style->left_button.h)/2,
 659                      style->left_button.w, style->left_button.h);
 660
 661       XSetClipMask(blackbox->getXDisplay(), pen.gc(), None);
 662       XSetClipOrigin(blackbox->getXDisplay(), pen.gc(), 0, 0);
 663     } else {
 664 #endif // BITMAPBUTTONS
 665       pts[0].x = hw - bullet_size;
 666       pts[0].y = hh;
 667       pts[1].x = 2 * bullet_size;
 668       pts[1].y = bullet_size;
 669       pts[2].x = 0;
 670       pts[2].y = -(2 * bullet_size);
 671       XFillPolygon(display, surface, pen.gc(), pts, 3, Convex,
 672                    CoordModePrevious);
 673 #ifdef    BITMAPBUTTONS
 674     }
 675 #endif // BITMAPBUTTONS
 676   } else {
 677 #ifdef    BITMAPBUTTONS
 678     if (style->right_button.mask != None) {
 679       XSetClipMask(blackbox->getXDisplay(), pen.gc(),
 680                    style->right_button.mask);
 681       XSetClipOrigin(blackbox->getXDisplay(), pen.gc(),
 682                      (frame.button_w - style->right_button.w)/2,
 683                      (frame.button_w - style->right_button.h)/2);
 684
 685       XFillRectangle(blackbox->getXDisplay(), surface, pen.gc(),
 686                      (frame.button_w - style->right_button.w)/2,
 687                      (frame.button_w - style->right_button.h)/2,
 688                      (frame.button_w + style->right_button.w)/2,
 689                      (frame.button_w + style->right_button.h)/2);
 690
 691       XSetClipMask(blackbox->getXDisplay(), pen.gc(), None);
 692       XSetClipOrigin(blackbox->getXDisplay(), pen.gc(), 0, 0);
 693     } else {
 694 #endif // BITMAPBUTTONS
 695       pts[0].x = hw - bullet_size;
 696       pts[0].y = hh - bullet_size;
 697       pts[1].x = (2 * bullet_size);
 698       pts[1].y =  bullet_size;
 699       pts[2].x = -(2 * bullet_size);
 700       pts[2].y = bullet_size;
 701       XFillPolygon(display, surface, pen.gc(), pts, 3, Convex,
 702                    CoordModePrevious);
 703 #ifdef    BITMAPBUTTONS
 704     }
 705 #endif
 706   }
 707 }
 708
 709
 710 void Toolbar::redrawPrevWorkspaceButton(bool pressed, bool redraw) {
 711   if (redraw) {
 712     if (pressed) {
 713       if (frame.pbutton)
 714         XSetWindowBackgroundPixmap(display, frame.psbutton, frame.pbutton);
 715       else
 716         XSetWindowBackground(display, frame.psbutton, frame.pbutton_pixel);
 717     } else {
 718       if (frame.button)
 719         XSetWindowBackgroundPixmap(display, frame.psbutton, frame.button);
 720       else
 721         XSetWindowBackground(display, frame.psbutton, frame.button_pixel);
 722     }
 723     XClearWindow(display, frame.psbutton);
 724   }
 725
 726   drawArrow(frame.psbutton, True);
 727 }
 728
 729
 730 void Toolbar::redrawNextWorkspaceButton(bool pressed, bool redraw) {
 731   if (redraw) {
 732     if (pressed) {
 733       if (frame.pbutton)
 734         XSetWindowBackgroundPixmap(display, frame.nsbutton, frame.pbutton);
 735       else
 736         XSetWindowBackground(display, frame.nsbutton, frame.pbutton_pixel);
 737     } else {
 738       if (frame.button)
 739         XSetWindowBackgroundPixmap(display, frame.nsbutton, frame.button);
 740       else
 741         XSetWindowBackground(display, frame.nsbutton, frame.button_pixel);
 742     }
 743     XClearWindow(display, frame.nsbutton);
 744   }
 745
 746   drawArrow(frame.nsbutton, False);
 747 }
 748
 749
 750 void Toolbar::redrawPrevWindowButton(bool pressed, bool redraw) {
 751   if (redraw) {
 752     if (pressed) {
 753       if (frame.pbutton)
 754         XSetWindowBackgroundPixmap(display, frame.pwbutton, frame.pbutton);
 755       else
 756         XSetWindowBackground(display, frame.pwbutton, frame.pbutton_pixel);
 757     } else {
 758       if (frame.button)
 759         XSetWindowBackgroundPixmap(display, frame.pwbutton, frame.button);
 760       else
 761         XSetWindowBackground(display, frame.pwbutton, frame.button_pixel);
 762     }
 763     XClearWindow(display, frame.pwbutton);
 764   }
 765
 766   drawArrow(frame.pwbutton, True);
 767 }
 768
 769
 770 void Toolbar::redrawNextWindowButton(bool pressed, bool redraw) {
 771   if (redraw) {
 772     if (pressed) {
 773       if (frame.pbutton)
 774         XSetWindowBackgroundPixmap(display, frame.nwbutton, frame.pbutton);
 775       else
 776         XSetWindowBackground(display, frame.nwbutton, frame.pbutton_pixel);
 777     } else {
 778       if (frame.button)
 779         XSetWindowBackgroundPixmap(display, frame.nwbutton, frame.button);
 780       else
 781         XSetWindowBackground(display, frame.nwbutton, frame.button_pixel);
 782     }
 783     XClearWindow(display, frame.nwbutton);
 784   }
 785
 786   drawArrow(frame.nwbutton, False);
 787 }
 788
 789
 790 void Toolbar::edit(void) {
 791   Window window;
 792   int foo;
 793
 794   editing = True;
 795   XGetInputFocus(display, &window, &foo);
 796   if (window == frame.workspace_label)
 797     return;
 798
 799   XSetInputFocus(display, frame.workspace_label,
 800                  RevertToPointerRoot, CurrentTime);
 801   XClearWindow(display, frame.workspace_label);
 802
 803   blackbox->setNoFocus(True);
 804   if (blackbox->getFocusedWindow())
 805     blackbox->getFocusedWindow()->setFocusFlag(False);
 806
 807   ToolbarStyle *style = screen->getToolbarStyle();
 808   BPen pen(style->l_text);
 809   XDrawRectangle(display, frame.workspace_label, pen.gc(),
 810                  frame.workspace_label_w / 2, 0, 1,
 811                  frame.label_h - 1);
 812   // change the background of the window to that of an active window label
 813   BTexture *texture = &(screen->getWindowStyle()->l_focus);
 814   frame.wlabel = texture->render(frame.workspace_label_w, frame.label_h,
 815                                  frame.wlabel);
 816   if (! frame.wlabel)
 817     XSetWindowBackground(display, frame.workspace_label,
 818                          texture->color().pixel());
 819   else
 820     XSetWindowBackgroundPixmap(display, frame.workspace_label, frame.wlabel);
 821 }
 822
 823
 824 void Toolbar::buttonPressEvent(const XButtonEvent *be) {
 825   if (be->button == 1) {
 826     if (be->window == frame.psbutton)
 827       redrawPrevWorkspaceButton(True, True);
 828     else if (be->window == frame.nsbutton)
 829       redrawNextWorkspaceButton(True, True);
 830     else if (be->window == frame.pwbutton)
 831       redrawPrevWindowButton(True, True);
 832     else if (be->window == frame.nwbutton)
 833       redrawNextWindowButton(True, True);
 834 #ifndef   HAVE_STRFTIME
 835     else if (be->window == frame.clock) {
 836       XClearWindow(display, frame.clock);
 837       checkClock(True, True);
 838     }
 839 #endif // HAVE_STRFTIME
 840     else if (! on_top) {
 841       Window w[1] = { frame.window };
 842       screen->raiseWindows(w, 1);
 843     }
 844   } else if (be->button == 2 && (! on_top)) {
 845     XLowerWindow(display, frame.window);
 846   } else if (be->button == 3) {
 847     if (toolbarmenu->isVisible()) {
 848       toolbarmenu->hide();
 849     } else {
 850       int x, y;
 851
 852       x = be->x_root - (toolbarmenu->getWidth() / 2);
 853       y = be->y_root - (toolbarmenu->getHeight() / 2);
 854
 855       if (x < 0)
 856         x = 0;
 857       else if (x + toolbarmenu->getWidth() > screen->getWidth())
 858         x = screen->getWidth() - toolbarmenu->getWidth();
 859
 860       if (y < 0)
 861         y = 0;
 862       else if (y + toolbarmenu->getHeight() > screen->getHeight())
 863         y = screen->getHeight() - toolbarmenu->getHeight();
 864
 865       toolbarmenu->move(x, y);
 866       toolbarmenu->show();
 867     }
 868   }
 869 }
 870
 871
 872
 873 void Toolbar::buttonReleaseEvent(const XButtonEvent *re) {
 874   if (re->button == 1) {
 875     if (re->window == frame.psbutton) {
 876       redrawPrevWorkspaceButton(False, True);
 877
 878       if (re->x >= 0 && re->x < static_cast<signed>(frame.button_w) &&
 879           re->y >= 0 && re->y < static_cast<signed>(frame.button_w))
 880        if (screen->getCurrentWorkspace()->getID() > 0)
 881           screen->changeWorkspaceID(screen->getCurrentWorkspace()->
 882                                     getID() - 1);
 883         else
 884           screen->changeWorkspaceID(screen->getWorkspaceCount() - 1);
 885     } else if (re->window == frame.nsbutton) {
 886       redrawNextWorkspaceButton(False, True);
 887
 888       if (re->x >= 0 && re->x < static_cast<signed>(frame.button_w) &&
 889           re->y >= 0 && re->y < static_cast<signed>(frame.button_w))
 890         if (screen->getCurrentWorkspace()->getID() <
 891             (screen->getWorkspaceCount() - 1))
 892           screen->changeWorkspaceID(screen->getCurrentWorkspace()->
 893                                     getID() + 1);
 894         else
 895           screen->changeWorkspaceID(0);
 896     } else if (re->window == frame.pwbutton) {
 897       redrawPrevWindowButton(False, True);
 898
 899       if (re->x >= 0 && re->x < static_cast<signed>(frame.button_w) &&
 900           re->y >= 0 && re->y < static_cast<signed>(frame.button_w))
 901         screen->prevFocus();
 902     } else if (re->window == frame.nwbutton) {
 903       redrawNextWindowButton(False, True);
 904
 905       if (re->x >= 0 && re->x < static_cast<signed>(frame.button_w) &&
 906           re->y >= 0 && re->y < static_cast<signed>(frame.button_w))
 907         screen->nextFocus();
 908     } else if (re->window == frame.window_label)
 909       screen->raiseFocus();
 910 #ifndef   HAVE_STRFTIME
 911     else if (re->window == frame.clock) {
 912       XClearWindow(display, frame.clock);
 913       checkClock(True);
 914     }
 915 #endif // HAVE_STRFTIME
 916   }
 917 }
 918
 919
 920 void Toolbar::enterNotifyEvent(const XCrossingEvent *) {
 921   if (! do_auto_hide)
 922     return;
 923
 924   if (hidden) {
 925     if (! hide_timer->isTiming()) hide_timer->start();
 926   } else {
 927     if (hide_timer->isTiming()) hide_timer->stop();
 928   }
 929 }
 930
 931 void Toolbar::leaveNotifyEvent(const XCrossingEvent *) {
 932   if (! do_auto_hide)
 933     return;
 934
 935   if (hidden) {
 936     if (hide_timer->isTiming()) hide_timer->stop();
 937   } else if (! toolbarmenu->isVisible()) {
 938     if (! hide_timer->isTiming()) hide_timer->start();
 939   }
 940 }
 941
 942
 943 void Toolbar::exposeEvent(const XExposeEvent *ee) {
 944   if (ee->window == frame.clock) checkClock(True);
 945   else if (ee->window == frame.workspace_label && (! editing))
 946     redrawWorkspaceLabel();
 947   else if (ee->window == frame.window_label) redrawWindowLabel();
 948   else if (ee->window == frame.psbutton) redrawPrevWorkspaceButton();
 949   else if (ee->window == frame.nsbutton) redrawNextWorkspaceButton();
 950   else if (ee->window == frame.pwbutton) redrawPrevWindowButton();
 951   else if (ee->window == frame.nwbutton) redrawNextWindowButton();
 952 }
 953
 954
 955 void Toolbar::keyPressEvent(const XKeyEvent *ke) {
 956   if (ke->window == frame.workspace_label && editing) {
 957     if (new_workspace_name.empty()) {
 958       new_name_pos = 0;
 959     }
 960
 961     KeySym ks;
 962     char keychar[1];
 963     XLookupString(const_cast<XKeyEvent*>(ke), keychar, 1, &ks, 0);
 964
 965     // either we are told to end with a return or we hit 127 chars
 966     if (ks == XK_Return || new_name_pos == 127) {
 967       editing = False;
 968
 969       blackbox->setNoFocus(False);
 970       if (blackbox->getFocusedWindow())
 971         blackbox->getFocusedWindow()->setInputFocus();
 972       else
 973         blackbox->setFocusedWindow(0);
 974
 975       // the toolbar will be reconfigured when the change to the workspace name
 976       // gets caught in the PropertyNotify event handler
 977       screen->getCurrentWorkspace()->setName(new_workspace_name);
 978
 979       new_workspace_name.erase();
 980       new_name_pos = 0;
 981
 982       // reset the background to that of the workspace label (its normal
 983       // setting)
 984       BTexture *texture = &(screen->getToolbarStyle()->label);
 985       frame.wlabel = texture->render(frame.workspace_label_w, frame.label_h,
 986                                      frame.wlabel);
 987       if (! frame.wlabel)
 988         XSetWindowBackground(display, frame.workspace_label,
 989                              texture->color().pixel());
 990       else
 991         XSetWindowBackgroundPixmap(display, frame.workspace_label,
 992                                    frame.wlabel);
 993     } else if (! (ks == XK_Shift_L || ks == XK_Shift_R ||
 994                   ks == XK_Control_L || ks == XK_Control_R ||
 995                   ks == XK_Caps_Lock || ks == XK_Shift_Lock ||
 996                   ks == XK_Meta_L || ks == XK_Meta_R ||
 997                   ks == XK_Alt_L || ks == XK_Alt_R ||
 998                   ks == XK_Super_L || ks == XK_Super_R ||
 999                   ks == XK_Hyper_L || ks == XK_Hyper_R)) {
1000       if (ks == XK_BackSpace) {
1001         if (new_name_pos > 0) {
1002           --new_name_pos;
1003           new_workspace_name.erase(new_name_pos);
1004         } else {
1005           new_workspace_name.resize(0);
1006         }
1007       } else {
1008         new_workspace_name += (*keychar);
1009         ++new_name_pos;
1010       }
1011
1012       XClearWindow(display, frame.workspace_label);
1013       unsigned int tw, x;
1014
1015       tw = screen->getToolbarStyle()->font->measureString(new_workspace_name);
1016       x = (frame.workspace_label_w - tw) / 2;
1017
1018       if (x < frame.bevel_w) x = frame.bevel_w;
1019
1020       ToolbarStyle *style = screen->getToolbarStyle();
1021       style->font->drawString(frame.workspace_label, x, 1, style->l_text,
1022                               new_workspace_name);
1023       BPen pen(style->l_text);
1024       XDrawRectangle(display, frame.workspace_label, pen.gc(), x + tw, 0, 1,
1025                      frame.label_h - 1);
1026     }
1027   }
1028 }
1029
1030
1031 void Toolbar::timeout(void) {
1032   checkClock(True);
1033
1034   clock_timer->setTimeout(aMinuteFromNow());
1035 }
1036
1037
1038 void Toolbar::HideHandler::timeout(void) {
1039   toolbar->hidden = ! toolbar->hidden;
1040   if (toolbar->hidden)
1041     XMoveWindow(toolbar->display, toolbar->frame.window,
1042                 toolbar->frame.x_hidden, toolbar->frame.y_hidden);
1043   else
1044     XMoveWindow(toolbar->display, toolbar->frame.window,
1045                 toolbar->frame.rect.x(), toolbar->frame.rect.y());
1046 }
1047
1048
1049 void Toolbar::toggleAutoHide(void) {
1050   saveAutoHide(! doAutoHide());
1051
1052   updateStrut();
1053   screen->getSlit()->reposition();
1054
1055   if (do_auto_hide == False && hidden) {
1056     // force the slit to be visible
1057     if (hide_timer->isTiming()) hide_timer->stop();
1058     hide_handler.timeout();
1059   }
1060 }
1061
1062
1063 Toolbarmenu::Toolbarmenu(Toolbar *tb) : Basemenu(tb->screen) {
1064   toolbar = tb;
1065
1066   setLabel(i18n(ToolbarSet, ToolbarToolbarTitle, "Toolbar"));
1067   setInternalMenu();
1068
1069   placementmenu = new Placementmenu(this);
1070
1071   insert(i18n(CommonSet, CommonPlacementTitle, "Placement"),
1072          placementmenu);
1073   insert(i18n(CommonSet, CommonAlwaysOnTop, "Always on top"), 1);
1074   insert(i18n(CommonSet, CommonAutoHide, "Auto hide"), 2);
1075   insert(i18n(ToolbarSet, ToolbarEditWkspcName,
1076               "Edit current workspace name"), 3);
1077
1078   update();
1079   setValues();
1080 }
1081
1082
1083 void Toolbarmenu::setValues() {
1084   setItemSelected(1, toolbar->isOnTop());
1085   setItemSelected(2, toolbar->doAutoHide());
1086 }
1087
1088
1089 Toolbarmenu::~Toolbarmenu(void) {
1090   delete placementmenu;
1091 }
1092
1093
1094 void Toolbarmenu::itemSelected(int button, unsigned int index) {
1095   if (button != 1)
1096     return;
1097
1098   BasemenuItem *item = find(index);
1099   if (! item) return;
1100
1101   switch (item->function()) {
1102   case 1: { // always on top
1103     toolbar->saveOnTop(! toolbar->isOnTop());
1104     setItemSelected(1, toolbar->isOnTop());
1105
1106     if (toolbar->isOnTop()) getScreen()->raiseWindows((Window *) 0, 0);
1107     break;
1108   }
1109
1110   case 2: { // auto hide
1111     toolbar->toggleAutoHide();
1112     setItemSelected(2, toolbar->doAutoHide());
1113
1114     break;
1115   }
1116
1117   case 3: { // edit current workspace name
1118     toolbar->edit();
1119     hide();
1120
1121     break;
1122   }
1123   } // switch
1124 }
1125
1126
1127 void Toolbarmenu::internal_hide(void) {
1128   Basemenu::internal_hide();
1129   if (toolbar->doAutoHide() && ! toolbar->isEditing())
1130     toolbar->hide_handler.timeout();
1131 }
1132
1133
1134 void Toolbarmenu::reconfigure(void) {
1135   setValues();
1136   placementmenu->reconfigure();
1137
1138   Basemenu::reconfigure();
1139 }
1140
1141
1142 Toolbarmenu::Placementmenu::Placementmenu(Toolbarmenu *tm)
1143   : Basemenu(tm->toolbar->screen), toolbar(tm->toolbar) {
1144   setLabel(i18n(ToolbarSet, ToolbarToolbarPlacement, "Toolbar Placement"));
1145   setInternalMenu();
1146   setMinimumSublevels(3);
1147
1148   insert(i18n(CommonSet, CommonPlacementTopLeft, "Top Left"),
1149          Toolbar::TopLeft);
1150   insert(i18n(CommonSet, CommonPlacementBottomLeft, "Bottom Left"),
1151          Toolbar::BottomLeft);
1152   insert(i18n(CommonSet, CommonPlacementTopCenter, "Top Center"),
1153          Toolbar::TopCenter);
1154   insert(i18n(CommonSet, CommonPlacementBottomCenter, "Bottom Center"),
1155          Toolbar::BottomCenter);
1156   insert(i18n(CommonSet, CommonPlacementTopRight, "Top Right"),
1157          Toolbar::TopRight);
1158   insert(i18n(CommonSet, CommonPlacementBottomRight, "Bottom Right"),
1159          Toolbar::BottomRight);
1160   update();
1161   setValues();
1162 }
1163
1164
1165 void Toolbarmenu::Placementmenu::setValues(void) {
1166   int place = 0;
1167   switch (toolbar->getPlacement()) {
1168   case Toolbar::BottomRight:
1169     place++;
1170   case Toolbar::TopRight:
1171     place++;
1172   case Toolbar::BottomCenter:
1173     place++;
1174   case Toolbar::TopCenter:
1175     place++;
1176   case Toolbar::BottomLeft:
1177     place++;
1178   case Toolbar::TopLeft:
1179     break;
1180   }
1181   setItemSelected(0, 0 == place);
1182   setItemSelected(1, 1 == place);
1183   setItemSelected(2, 2 == place);
1184   setItemSelected(3, 3 == place);
1185   setItemSelected(4, 4 == place);
1186   setItemSelected(5, 5 == place);
1187 }
1188
1189
1190 void Toolbarmenu::Placementmenu::reconfigure(void) {
1191   setValues();
1192   Basemenu::reconfigure();
1193 }
1194
1195
1196 void Toolbarmenu::Placementmenu::itemSelected(int button, unsigned int index) {
1197   if (button != 1)
1198     return;
1199
1200   BasemenuItem *item = find(index);
1201   if (! item) return;
1202
1203   toolbar->savePlacement(item->function());
1204   hide();
1205   toolbar->reconfigure();
1206
1207   // reposition the slit as well to make sure it doesn't intersect the
1208   // toolbar
1209   getScreen()->getSlit()->reposition();
1210 }
1211
1212
1213 void ToolbarStyle::doJustify(const std::string &text, int &start_pos,
1214                              unsigned int max_length,
1215                              unsigned int modifier) const {
1216   size_t text_len = text.size();
1217   unsigned int length;
1218
1219   do {
1220     length = font->measureString(string(text, 0, text_len)) + modifier;
1221   } while (length > max_length && text_len-- > 0);
1222
1223   switch (justify) {
1224   case RightJustify:
1225     start_pos += max_length - length;
1226     break;
1227
1228   case CenterJustify:
1229     start_pos += (max_length - length) / 2;
1230     break;
1231
1232   case LeftJustify:
1233   default:
1234     break;
1235   }
1236 }