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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // Basemenu.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 #ifdef    HAVE_STDIO_H
  30 #  include <stdio.h>
  31 #endif // HAVE_STDIO_H
  32
  33 #ifdef HAVE_STDLIB_H
  34 #  include <stdlib.h>
  35 #endif // HAVE_STDLIB_H
  36
  37 #ifdef HAVE_STRING_H
  38 #  include <string.h>
  39 #endif // HAVE_STRING_H
  40 }
  41
  42 #include <algorithm>
  43 #include <assert.h>
  44 using namespace std;
  45
  46 #include "i18n.hh"
  47 #include "blackbox.hh"
  48 #include "Basemenu.hh"
  49 #include "Font.hh"
  50 #include "GCCache.hh"
  51 #include "Image.hh"
  52 #include "Screen.hh"
  53 #include "Util.hh"
  54
  55
  56 static Basemenu *shown = (Basemenu *) 0;
  57
  58 Basemenu::Basemenu(BScreen *scrn) {
  59   screen = scrn;
  60   blackbox = screen->getBlackbox();
  61   image_ctrl = screen->getImageControl();
  62   display = blackbox->getXDisplay();
  63   parent = (Basemenu *) 0;
  64   alignment = AlignDontCare;
  65
  66   title_vis =
  67     movable =
  68     hide_tree = True;
  69
  70   shifted =
  71     internal_menu =
  72     moving =
  73     torn =
  74     visible = False;
  75
  76   menu.x =
  77     menu.y =
  78     menu.x_shift =
  79     menu.y_shift =
  80     menu.x_move =
  81     menu.y_move = 0;
  82
  83   which_sub =
  84     which_press =
  85     which_sbl = -1;
  86
  87   menu.frame_pixmap =
  88     menu.title_pixmap =
  89     menu.hilite_pixmap = None;
  90
  91   menu.bevel_w = screen->getBevelWidth();
  92
  93   MenuStyle *style = screen->getMenuStyle();
  94   menu.width = menu.title_h = menu.item_w = menu.frame_h =
  95     style->t_font->height() + (menu.bevel_w  * 2);
  96
  97   menu.sublevels =
  98     menu.persub =
  99     menu.minsub = 0;
 100
 101   menu.item_h = style->f_font->height() + menu.bevel_w;
 102
 103   menu.height = menu.title_h + screen->getBorderWidth() + menu.frame_h;
 104
 105   unsigned long attrib_mask = CWBackPixmap | CWBackPixel | CWBorderPixel |
 106     CWColormap | CWOverrideRedirect | CWEventMask;
 107   XSetWindowAttributes attrib;
 108   attrib.background_pixmap = None;
 109   attrib.background_pixel = attrib.border_pixel =
 110     screen->getBorderColor()->pixel();
 111   attrib.colormap = screen->getColormap();
 112   attrib.override_redirect = True;
 113   attrib.event_mask = ButtonPressMask | ButtonReleaseMask |
 114     ButtonMotionMask | ExposureMask;
 115
 116   menu.window =
 117     XCreateWindow(display, screen->getRootWindow(),
 118                   menu.x, menu.y, menu.width, menu.height,
 119                   screen->getBorderWidth(), screen->getDepth(),
 120                   InputOutput, screen->getVisual(), attrib_mask, &attrib);
 121   blackbox->saveMenuSearch(menu.window, this);
 122
 123   attrib_mask = CWBackPixmap | CWBackPixel | CWBorderPixel | CWEventMask;
 124   attrib.background_pixel = screen->getBorderColor()->pixel();
 125   attrib.event_mask |= EnterWindowMask | LeaveWindowMask;
 126
 127   menu.title =
 128     XCreateWindow(display, menu.window, 0, 0, menu.width, menu.height, 0,
 129                   screen->getDepth(), InputOutput, screen->getVisual(),
 130                   attrib_mask, &attrib);
 131   blackbox->saveMenuSearch(menu.title, this);
 132
 133   attrib.event_mask |= PointerMotionMask;
 134   menu.frame = XCreateWindow(display, menu.window, 0,
 135                              menu.title_h + screen->getBorderWidth(),
 136                              menu.width, menu.frame_h, 0,
 137                              screen->getDepth(), InputOutput,
 138                              screen->getVisual(), attrib_mask, &attrib);
 139   blackbox->saveMenuSearch(menu.frame, this);
 140
 141   // even though this is the end of the constructor the menu is still not
 142   // completely created.  items must be inserted and it must be update()'d
 143 }
 144
 145 Basemenu::~Basemenu(void) {
 146   XUnmapWindow(display, menu.window);
 147
 148   if (shown && shown->getWindowID() == getWindowID())
 149     shown = (Basemenu *) 0;
 150
 151   MenuItems::const_iterator it = menuitems.begin();
 152   while (it != menuitems.end()) {
 153     BasemenuItem *item = *it;
 154     if (! internal_menu) {
 155       Basemenu *tmp = (Basemenu *) item->submenu();
 156       if (tmp) {
 157         if (! tmp->internal_menu) {
 158           delete tmp;
 159         } else {
 160           tmp->internal_hide();
 161         }
 162       }
 163     }
 164     ++it;
 165   }
 166
 167   std::for_each(menuitems.begin(), menuitems.end(), PointerAssassin());
 168
 169   if (menu.title_pixmap)
 170     image_ctrl->removeImage(menu.title_pixmap);
 171
 172   if (menu.frame_pixmap)
 173     image_ctrl->removeImage(menu.frame_pixmap);
 174
 175   if (menu.hilite_pixmap)
 176     image_ctrl->removeImage(menu.hilite_pixmap);
 177
 178   blackbox->removeMenuSearch(menu.title);
 179   XDestroyWindow(display, menu.title);
 180
 181   blackbox->removeMenuSearch(menu.frame);
 182   XDestroyWindow(display, menu.frame);
 183
 184   blackbox->removeMenuSearch(menu.window);
 185   XDestroyWindow(display, menu.window);
 186 }
 187
 188
 189 BasemenuItem *Basemenu::find(int index) {
 190   if (index < 0 || index >= static_cast<signed>(menuitems.size()))
 191     return (BasemenuItem*) 0;
 192
 193   return menuitems[index];
 194 }
 195
 196
 197 int Basemenu::insert(BasemenuItem *item, int pos) {
 198   if (pos < 0) {
 199     menuitems.push_back(item);
 200   } else {
 201     assert(pos <= static_cast<signed>(menuitems.size()));
 202     menuitems.insert((menuitems.begin() + pos), item);
 203   }
 204   return menuitems.size();
 205 }
 206
 207
 208 int Basemenu::insert(const string& label, int function,
 209                      const string& exec, int pos) {
 210   BasemenuItem *item = new BasemenuItem(label, function, exec);
 211   return insert(item, pos);
 212 }
 213
 214
 215 int Basemenu::insert(const string& label, Basemenu *submenu, int pos) {
 216   BasemenuItem *item = new BasemenuItem(label, submenu);
 217   submenu->parent = this;
 218
 219   return insert(item, pos);
 220 }
 221
 222
 223 int Basemenu::remove(int index) {
 224   BasemenuItem *item = find(index);
 225   if (! item) return -1;
 226
 227   if (! internal_menu) {
 228     Basemenu *tmp = (Basemenu *) item->submenu();
 229     if (tmp) {
 230       if (! tmp->internal_menu) {
 231         delete tmp;
 232       } else {
 233         tmp->internal_hide();
 234       }
 235     }
 236   }
 237
 238   delete item;
 239
 240   if (which_sub == index)
 241     which_sub = -1;
 242   else if (which_sub > index)
 243     which_sub--;
 244
 245   menuitems.erase(menuitems.begin() + index);
 246
 247   return menuitems.size();
 248 }
 249
 250
 251 void Basemenu::update(void) {
 252   MenuStyle *style = screen->getMenuStyle();
 253   menu.item_h = (style->f_font->height() < 9 ? 9 : style->f_font->height()) +
 254                 menu.bevel_w;  // 9 for the menu pixmaps (checkmarks)
 255   menu.title_h = style->t_font->height() + menu.bevel_w * 2;
 256
 257   if (title_vis) {
 258     menu.item_w = screen->getMenuStyle()->t_font->measureString(menu.label) +
 259       menu.bevel_w * 2;
 260   }  else {
 261     menu.item_w = 1;
 262   }
 263
 264   unsigned int ii = 0;
 265   MenuItems::iterator it = menuitems.begin(), end = menuitems.end();
 266   for (; it != end; ++it) {
 267     ii = screen->getMenuStyle()->f_font->measureString((*it)->l) +
 268       (menu.bevel_w * 2) + (menu.item_h * 2);
 269
 270     menu.item_w = ((menu.item_w < ii) ? ii : menu.item_w);
 271   }
 272
 273   if (! menuitems.empty()) {
 274     menu.sublevels = 1;
 275
 276     unsigned int menu_size = menuitems.size();
 277     while (((menu.item_h * (menu_size + 1) / menu.sublevels)
 278             + menu.title_h + screen->getBorderWidth()) >
 279            screen->getHeight())
 280       menu.sublevels++;
 281
 282     if (menu.sublevels < menu.minsub) menu.sublevels = menu.minsub;
 283
 284     menu.persub = menu_size / menu.sublevels;
 285     if (menu_size % menu.sublevels) menu.persub++;
 286   } else {
 287     menu.sublevels = 0;
 288     menu.persub = 0;
 289   }
 290
 291   menu.width = (menu.sublevels * (menu.item_w));
 292   if (! menu.width) menu.width = menu.item_w;
 293
 294   menu.frame_h = (menu.item_h * menu.persub);
 295   menu.height = ((title_vis) ? menu.title_h + screen->getBorderWidth() : 0) +
 296     menu.frame_h;
 297   if (! menu.frame_h) menu.frame_h = 1;
 298   if (menu.height < 1) menu.height = 1;
 299
 300   Pixmap tmp;
 301   BTexture *texture;
 302   if (title_vis) {
 303     tmp = menu.title_pixmap;
 304     texture = &(screen->getMenuStyle()->title);
 305     if (texture->texture() == (BTexture::Flat | BTexture::Solid)) {
 306       menu.title_pixmap = None;
 307       XSetWindowBackground(display, menu.title,
 308                            texture->color().pixel());
 309     } else {
 310       menu.title_pixmap =
 311         image_ctrl->renderImage(menu.width, menu.title_h, *texture);
 312       XSetWindowBackgroundPixmap(display, menu.title, menu.title_pixmap);
 313     }
 314     if (tmp) image_ctrl->removeImage(tmp);
 315     XClearWindow(display, menu.title);
 316   }
 317
 318   tmp = menu.frame_pixmap;
 319   texture = &(screen->getMenuStyle()->frame);
 320   if (texture->texture() == (BTexture::Flat | BTexture::Solid)) {
 321     menu.frame_pixmap = None;
 322     XSetWindowBackground(display, menu.frame,
 323                          texture->color().pixel());
 324   } else {
 325     menu.frame_pixmap =
 326       image_ctrl->renderImage(menu.width, menu.frame_h, *texture);
 327     XSetWindowBackgroundPixmap(display, menu.frame, menu.frame_pixmap);
 328   }
 329   if (tmp) image_ctrl->removeImage(tmp);
 330
 331   tmp = menu.hilite_pixmap;
 332   texture = &(screen->getMenuStyle()->hilite);
 333   if (texture->texture() == (BTexture::Flat | BTexture::Solid)) {
 334     menu.hilite_pixmap = None;
 335   } else {
 336     menu.hilite_pixmap =
 337       image_ctrl->renderImage(menu.item_w, menu.item_h, *texture);
 338   }
 339   if (tmp) image_ctrl->removeImage(tmp);
 340
 341   XResizeWindow(display, menu.window, menu.width, menu.height);
 342
 343   if (title_vis)
 344     XResizeWindow(display, menu.title, menu.width, menu.title_h);
 345
 346   XMoveResizeWindow(display, menu.frame, 0,
 347                     ((title_vis) ? menu.title_h +
 348                      screen->getBorderWidth() : 0), menu.width,
 349                     menu.frame_h);
 350
 351   XClearWindow(display, menu.window);
 352   XClearWindow(display, menu.title);
 353   XClearWindow(display, menu.frame);
 354
 355   if (title_vis && visible) redrawTitle();
 356
 357   const int menu_size = menuitems.size();
 358   for (int i = 0; visible && i < menu_size; i++) {
 359     if (i == which_sub) {
 360       drawItem(i, True, 0);
 361       drawSubmenu(i);
 362     } else {
 363       drawItem(i, False, 0);
 364     }
 365   }
 366
 367   if (parent && visible)
 368     parent->drawSubmenu(parent->which_sub);
 369
 370   XMapSubwindows(display, menu.window);
 371 }
 372
 373
 374 void Basemenu::show(void) {
 375   XMapSubwindows(display, menu.window);
 376   XMapWindow(display, menu.window);
 377   visible = True;
 378
 379   if (! parent) {
 380     if (shown && (! shown->torn))
 381       shown->hide();
 382
 383     shown = this;
 384   }
 385 }
 386
 387
 388 void Basemenu::hide(void) {
 389   if (! torn && hide_tree && parent && parent->isVisible()) {
 390     Basemenu *p = parent;
 391
 392     while (p->isVisible() && ! p->torn && p->parent) p = p->parent;
 393     p->internal_hide();
 394   } else {
 395     internal_hide();
 396   }
 397 }
 398
 399
 400 void Basemenu::internal_hide(void) {
 401   BasemenuItem *tmp = find(which_sub);
 402   if (tmp)
 403     tmp->submenu()->internal_hide();
 404
 405   if (parent && ! torn) {
 406     parent->drawItem(parent->which_sub, False, True);
 407
 408     parent->which_sub = -1;
 409   } else if (shown && shown->menu.window == menu.window) {
 410     shown = (Basemenu *) 0;
 411   }
 412
 413   torn = visible = False;
 414   which_sub = which_press = which_sub = -1;
 415
 416   XUnmapWindow(display, menu.window);
 417 }
 418
 419
 420 void Basemenu::move(int x, int y) {
 421   menu.x = x;
 422   menu.y = y;
 423   XMoveWindow(display, menu.window, x, y);
 424   if (which_sub != -1)
 425     drawSubmenu(which_sub);
 426 }
 427
 428
 429 void Basemenu::redrawTitle(void) {
 430   const char *text = (! menu.label.empty()) ? getLabel() :
 431     i18n(BasemenuSet, BasemenuBlackboxMenu, "Blackbox Menu");
 432   int dx = menu.bevel_w;
 433   unsigned int l;
 434   MenuStyle *style = screen->getMenuStyle();
 435
 436   l = style->t_font->measureString(text) + menu.bevel_w * 2;
 437
 438   switch (screen->getMenuStyle()->t_justify) {
 439   case RightJustify:
 440     dx += menu.width - l;
 441     break;
 442
 443   case CenterJustify:
 444     dx += (menu.width - l) / 2;
 445     break;
 446
 447   case LeftJustify:
 448   default:
 449     break;
 450   }
 451
 452   style->t_font->drawString(menu.title, dx, menu.bevel_w,
 453                             style->t_text, text);
 454 }
 455
 456
 457 void Basemenu::drawSubmenu(int index) {
 458   BasemenuItem *item = find(which_sub);
 459   if (item && item->submenu() && ! item->submenu()->isTorn() &&
 460       which_sub != index)
 461     item->submenu()->internal_hide();
 462
 463   item = find(index);
 464   if (! item)
 465     return;
 466   Basemenu *submenu = item->submenu();
 467
 468   if (submenu && visible && ! submenu->isTorn() && item->isEnabled()) {
 469     if (submenu->parent != this) submenu->parent = this;
 470     int sbl = index / menu.persub, i = index - (sbl * menu.persub),
 471       x = menu.x + ((menu.item_w * (sbl + 1)) + screen->getBorderWidth()), y;
 472
 473     if (alignment == AlignTop) {
 474       y = (((shifted) ? menu.y_shift : menu.y) +
 475            ((title_vis) ? menu.title_h + screen->getBorderWidth() : 0) -
 476            ((submenu->title_vis) ?
 477             submenu->menu.title_h + screen->getBorderWidth() : 0));
 478     } else {
 479       y = (((shifted) ? menu.y_shift : menu.y) +
 480            (menu.item_h * i) +
 481            ((title_vis) ? menu.title_h + screen->getBorderWidth() : 0) -
 482            ((submenu->title_vis) ?
 483             submenu->menu.title_h + screen->getBorderWidth() : 0));
 484     }
 485
 486     if (alignment == AlignBottom &&
 487         (y + submenu->menu.height) > ((shifted) ? menu.y_shift :
 488                                               menu.y) + menu.height)
 489       y = (((shifted) ? menu.y_shift : menu.y) +
 490            menu.height - submenu->menu.height);
 491
 492     if ((x + submenu->getWidth()) > screen->getWidth())
 493       x = ((shifted) ? menu.x_shift : menu.x) -
 494         submenu->getWidth() - screen->getBorderWidth();
 495
 496     if (x < 0) x = 0;
 497
 498     if ((y + submenu->getHeight()) > screen->getHeight())
 499       y = screen->getHeight() - submenu->getHeight() -
 500         (screen->getBorderWidth() * 2);
 501     if (y < 0) y = 0;
 502
 503     submenu->move(x, y);
 504     if (! moving) drawItem(index, True);
 505
 506     if (! submenu->isVisible())
 507       submenu->show();
 508     submenu->moving = moving;
 509     which_sub = index;
 510   } else {
 511     which_sub = -1;
 512   }
 513 }
 514
 515
 516 bool Basemenu::hasSubmenu(int index) {
 517   BasemenuItem *item = find(index);
 518   if (item && item->submenu())
 519     return True;
 520   return False;
 521 }
 522
 523
 524 void Basemenu::drawItem(int index, bool highlight, bool clear,
 525                         int x, int y, unsigned int w, unsigned int h) {
 526   BasemenuItem *item = find(index);
 527   if (! item) return;
 528
 529   bool dotext = True, dohilite = True, dosel = True, dooppsel = True;
 530   const char *text = item->label();
 531   int sbl = index / menu.persub, i = index - (sbl * menu.persub);
 532   int item_x = (sbl * menu.item_w), item_y = (i * menu.item_h);
 533   int hilite_x = item_x, hilite_y = item_y, hoff_x = 0, hoff_y = 0;
 534   int text_x = 0, text_y = 0, sel_x = 0, oppsel_x = 0, sel_y = 0;
 535   unsigned int hilite_w = menu.item_w, hilite_h = menu.item_h, text_w = 0,
 536     text_h = 0;
 537   unsigned int half_w = menu.item_h / 2, quarter_w = menu.item_h / 4;
 538
 539   if (text) {
 540     text_w = screen->getMenuStyle()->f_font->measureString(text);
 541     text_y = item_y + menu.bevel_w / 2;
 542
 543     switch(screen->getMenuStyle()->f_justify) {
 544     case LeftJustify:
 545       text_x = item_x + menu.bevel_w + menu.item_h + 1;
 546       break;
 547
 548     case RightJustify:
 549       text_x = item_x + menu.item_w - (menu.item_h + menu.bevel_w + text_w);
 550       break;
 551
 552     case CenterJustify:
 553       text_x = item_x + ((menu.item_w + 1 - text_w) / 2);
 554       break;
 555     }
 556
 557     text_h = menu.item_h - menu.bevel_w;
 558   }
 559
 560   MenuStyle *style = screen->getMenuStyle();
 561   BPen hipen(style->hilite.color());
 562   // match the text color
 563   BPen pen((highlight ? style->h_text :
 564             (item->isEnabled() ? style->f_text :
 565              style->d_text)));
 566
 567
 568   sel_x = item_x;
 569   if (screen->getMenuStyle()->bullet_pos == Right)
 570     sel_x += (menu.item_w - menu.item_h - menu.bevel_w);
 571   sel_x += quarter_w;
 572   oppsel_x = sel_x;
 573   if (screen->getMenuStyle()->bullet_pos == Right)
 574     oppsel_x -= (menu.item_w - menu.item_h - menu.bevel_w);
 575   else
 576     oppsel_x += (menu.item_w - menu.item_h - menu.bevel_w);
 577   sel_y = item_y + quarter_w;
 578
 579   if (clear) {
 580     XClearArea(display, menu.frame, item_x, item_y, menu.item_w, menu.item_h,
 581                False);
 582   } else if (! (x == y && y == -1 && w == h && h == 0)) {
 583     // calculate the which part of the hilite to redraw
 584     if (! (max(item_x, x) <= min<signed>(item_x + menu.item_w, x + w) &&
 585            max(item_y, y) <= min<signed>(item_y + menu.item_h, y + h))) {
 586       dohilite = False;
 587     } else {
 588       hilite_x = max(item_x, x);
 589       hilite_y = max(item_y, y);
 590       hilite_w = min(item_x + menu.item_w, x + w) - hilite_x;
 591       hilite_h = min(item_y + menu.item_h, y + h) - hilite_y;
 592       hoff_x = hilite_x % menu.item_w;
 593       hoff_y = hilite_y % menu.item_h;
 594     }
 595
 596     // check if we need to redraw the text
 597     int text_ry = item_y + (menu.bevel_w / 2);
 598     if (! (max(text_x, x) <= min<signed>(text_x + text_w, x + w) &&
 599            max(text_ry, y) <= min<signed>(text_ry + text_h, y + h)))
 600       dotext = False;
 601
 602     // check if we need to redraw the select pixmap/menu bullet
 603     if (! (max(sel_x, x) <= min<signed>(sel_x + half_w, x + w) &&
 604            max(sel_y, y) <= min<signed>(sel_y + half_w, y + h)))
 605       dosel = False;
 606
 607     // check if we need to redraw the select pixmap/menu bullet
 608     // on the opposite side of the menu
 609     if (! (max(oppsel_x, x) <= min<signed>(oppsel_x + half_w, x + w) &&
 610            max(sel_y, y) <= min<signed>(sel_y + half_w, y + h)))
 611       dooppsel = False;
 612   }
 613
 614   if (dohilite && highlight && (menu.hilite_pixmap != ParentRelative)) {
 615     if (menu.hilite_pixmap)
 616       XCopyArea(display, menu.hilite_pixmap, menu.frame,
 617                 hipen.gc(), hoff_x, hoff_y,
 618                 hilite_w, hilite_h, hilite_x, hilite_y);
 619     else
 620       XFillRectangle(display, menu.frame, hipen.gc(),
 621                      hilite_x, hilite_y, hilite_w, hilite_h);
 622   }
 623
 624   if (dooppsel && item->isSelected()) {
 625       XPoint pts[6];
 626
 627       pts[0].x = oppsel_x + 0;
 628       pts[0].y = sel_y + 2;
 629
 630       pts[1].x = 0;
 631       pts[1].y = 3;
 632
 633       pts[2].x = 2;
 634       pts[2].y = 3;
 635
 636       pts[3].x = 5;
 637       pts[3].y = -5;
 638
 639
 640       pts[4].x = 0;
 641       pts[4].y = -3;
 642
 643       pts[5].x = -5;
 644       pts[5].y = 5;
 645
 646       XFillPolygon(display, menu.frame, pen.gc(), pts, 6, Nonconvex,
 647                    CoordModePrevious);
 648   }
 649
 650   if (dotext && text) {
 651     style->f_font->drawString(menu.frame, text_x, text_y,
 652                               (highlight ? style->h_text :
 653                                (item->isEnabled() ? style->f_text :
 654                                 style->d_text)),
 655                               text);
 656   }
 657
 658   if (dosel && item->submenu()) {
 659     const int bullet_size = 3;
 660
 661     switch (screen->getMenuStyle()->bullet) {
 662     case Square:
 663       XDrawRectangle(display, menu.frame, pen.gc(), sel_x, sel_y,
 664                      bullet_size * 2, bullet_size * 2);
 665       break;
 666
 667     case Triangle:
 668       XPoint tri[3];
 669
 670       if (screen->getMenuStyle()->bullet_pos == Right) {
 671         tri[0].x = sel_x + quarter_w - bullet_size;
 672         tri[0].y = sel_y + quarter_w - bullet_size;
 673         tri[1].x = 2 * bullet_size;
 674         tri[1].y = bullet_size;
 675         tri[2].x = -(2 * bullet_size);
 676         tri[2].y = bullet_size;
 677       } else {
 678         tri[0].x = sel_x + quarter_w - bullet_size;
 679         tri[0].y = item_y + half_w;
 680         tri[1].x = 2 * bullet_size;
 681         tri[1].y = bullet_size;
 682         tri[2].x = 0;
 683         tri[2].y = -(2 * bullet_size);
 684       }
 685
 686       XFillPolygon(display, menu.frame, pen.gc(), tri, 3, Convex,
 687                    CoordModePrevious);
 688       break;
 689
 690     case Diamond:
 691       XPoint dia[4];
 692
 693       dia[0].x = sel_x + quarter_w - bullet_size;
 694       dia[0].y = item_y + half_w;
 695       dia[1].x = bullet_size;
 696       dia[1].y = -bullet_size;
 697       dia[2].x = bullet_size;
 698       dia[2].y = bullet_size;
 699       dia[3].x = -bullet_size;
 700       dia[3].y = bullet_size;
 701
 702       XFillPolygon(display, menu.frame, pen.gc(), dia, 4, Convex,
 703                    CoordModePrevious);
 704       break;
 705     }
 706   }
 707 }
 708
 709
 710 void Basemenu::setLabel(const string& label) {
 711   menu.label = label;
 712 }
 713
 714
 715 void Basemenu::setItemSelected(int index, bool sel) {
 716   assert(index >= 0);
 717   BasemenuItem *item = find(index);
 718   if (! item) return;
 719
 720   item->setSelected(sel);
 721   if (visible) drawItem(index, (index == which_sub), True);
 722 }
 723
 724
 725 bool Basemenu::isItemSelected(int index) {
 726   assert(index >= 0);
 727   BasemenuItem *item = find(index);
 728   if (! item) return False;
 729
 730   return item->isSelected();
 731 }
 732
 733
 734 void Basemenu::setItemEnabled(int index, bool enable) {
 735   assert(index >= 0);
 736   BasemenuItem *item = find(index);
 737   if (! item) return;
 738
 739   item->setEnabled(enable);
 740   if (visible) drawItem(index, (index == which_sub), True);
 741 }
 742
 743
 744 bool Basemenu::isItemEnabled(int index) {
 745   assert(index >= 0);
 746   BasemenuItem *item = find(index);
 747   if (! item) return False;
 748
 749   return item->isEnabled();
 750 }
 751
 752
 753 void Basemenu::buttonPressEvent(XButtonEvent *be) {
 754   if (be->window == menu.frame) {
 755     int sbl = (be->x / menu.item_w), i = (be->y / menu.item_h);
 756     int w = (sbl * menu.persub) + i;
 757
 758     BasemenuItem *item = find(w);
 759     if (item) {
 760       which_press = i;
 761       which_sbl = sbl;
 762
 763
 764       if (item->submenu())
 765         drawSubmenu(w);
 766       else
 767         drawItem(w, (item->isEnabled()), True);
 768     }
 769   } else {
 770     menu.x_move = be->x_root - menu.x;
 771     menu.y_move = be->y_root - menu.y;
 772   }
 773 }
 774
 775
 776 void Basemenu::buttonReleaseEvent(XButtonEvent *re) {
 777   if (re->window == menu.title) {
 778     if (moving) {
 779       moving = False;
 780
 781       if (which_sub != -1)
 782         drawSubmenu(which_sub);
 783     }
 784
 785     if (re->x >= 0 && re->x <= static_cast<signed>(menu.width) &&
 786         re->y >= 0 && re->y <= static_cast<signed>(menu.title_h))
 787       if (re->button == 3)
 788         hide();
 789   } else if (re->window == menu.frame &&
 790              re->x >= 0 && re->x < static_cast<signed>(menu.width) &&
 791              re->y >= 0 && re->y < static_cast<signed>(menu.frame_h)) {
 792     if (re->button == 3) {
 793       hide();
 794     } else {
 795       int sbl = (re->x / menu.item_w), i = (re->y / menu.item_h),
 796         ix = sbl * menu.item_w, iy = i * menu.item_h,
 797         w = (sbl * menu.persub) + i,
 798         p = (which_sbl * menu.persub) + which_press;
 799
 800       if (w >= 0 && w < static_cast<signed>(menuitems.size())) {
 801         drawItem(p, (p == which_sub), True);
 802
 803         if  (p == w && isItemEnabled(w)) {
 804           if (re->x > ix && re->x < static_cast<signed>(ix + menu.item_w) &&
 805               re->y > iy && re->y < static_cast<signed>(iy + menu.item_h)) {
 806             itemSelected(re->button, w);
 807           }
 808         }
 809       } else {
 810         drawItem(p, False, True);
 811       }
 812     }
 813   }
 814 }
 815
 816
 817 void Basemenu::motionNotifyEvent(XMotionEvent *me) {
 818   if (me->window == menu.title && (me->state & Button1Mask)) {
 819     if (movable) {
 820       if (! moving) {
 821         if (parent && ! torn) {
 822           parent->drawItem(parent->which_sub, False, True);
 823           parent->which_sub = -1;
 824         }
 825
 826         moving = torn = True;
 827
 828         if (which_sub != -1)
 829           drawSubmenu(which_sub);
 830       } else {
 831         menu.x = me->x_root - menu.x_move,
 832           menu.y = me->y_root - menu.y_move;
 833
 834         XMoveWindow(display, menu.window, menu.x, menu.y);
 835
 836         if (which_sub != -1)
 837           drawSubmenu(which_sub);
 838       }
 839     }
 840   } else if (! (me->state & Button1Mask) && me->window == menu.frame &&
 841              me->x >= 0 && me->x < static_cast<signed>(menu.width) &&
 842              me->y >= 0 && me->y < static_cast<signed>(menu.frame_h)) {
 843     int sbl = (me->x / menu.item_w), i = (me->y / menu.item_h),
 844       w = (sbl * menu.persub) + i;
 845
 846     if ((i != which_press || sbl != which_sbl) &&
 847         (w >= 0 && w < static_cast<signed>(menuitems.size()))) {
 848       if (which_press != -1 && which_sbl != -1) {
 849         int p = (which_sbl * menu.persub) + which_press;
 850         BasemenuItem *item = find(p);
 851
 852         drawItem(p, False, True);
 853         if (item->submenu())
 854           if (item->submenu()->isVisible() &&
 855               ! item->submenu()->isTorn()) {
 856             item->submenu()->internal_hide();
 857             which_sub = -1;
 858           }
 859       }
 860
 861       which_press = i;
 862       which_sbl = sbl;
 863
 864       BasemenuItem *itmp = find(w);
 865
 866       if (itmp->submenu())
 867         drawSubmenu(w);
 868       else
 869         drawItem(w, (itmp->isEnabled()), True);
 870     }
 871   }
 872 }
 873
 874
 875 void Basemenu::exposeEvent(XExposeEvent *ee) {
 876   if (ee->window == menu.title) {
 877     redrawTitle();
 878   } else if (ee->window == menu.frame) {
 879     // this is a compilicated algorithm... lets do it step by step...
 880     // first... we see in which sub level the expose starts... and how many
 881     // items down in that sublevel
 882
 883     int sbl = (ee->x / menu.item_w), id = (ee->y / menu.item_h),
 884       // next... figure out how many sublevels over the redraw spans
 885       sbl_d = ((ee->x + ee->width) / menu.item_w),
 886       // then we see how many items down to redraw
 887       id_d = ((ee->y + ee->height) / menu.item_h);
 888
 889     if (id_d > menu.persub) id_d = menu.persub;
 890
 891     // draw the sublevels and the number of items the exposure spans
 892     MenuItems::iterator it,
 893       end = menuitems.end();
 894     int i, ii;
 895     for (i = sbl; i <= sbl_d; i++) {
 896       // set the iterator to the first item in the sublevel needing redrawing
 897       it = menuitems.begin() + (id + (i * menu.persub));
 898       for (ii = id; ii <= id_d && it != end; ++it, ii++) {
 899         int index = ii + (i * menu.persub);
 900         // redraw the item
 901         drawItem(index, (which_sub == index), False,
 902                  ee->x, ee->y, ee->width, ee->height);
 903       }
 904     }
 905   }
 906 }
 907
 908
 909 void Basemenu::enterNotifyEvent(XCrossingEvent *ce) {
 910   if (ce->window == menu.frame) {
 911     menu.x_shift = menu.x, menu.y_shift = menu.y;
 912     if (menu.x + menu.width > screen->getWidth()) {
 913       menu.x_shift = screen->getWidth() - menu.width -
 914         screen->getBorderWidth();
 915       shifted = True;
 916     } else if (menu.x < 0) {
 917       menu.x_shift = -screen->getBorderWidth();
 918       shifted = True;
 919     }
 920
 921     if (menu.y + menu.height > screen->getHeight()) {
 922       menu.y_shift = screen->getHeight() - menu.height -
 923         screen->getBorderWidth();
 924       shifted = True;
 925     } else if (menu.y + static_cast<signed>(menu.title_h) < 0) {
 926       menu.y_shift = -screen->getBorderWidth();
 927       shifted = True;
 928     }
 929
 930     if (shifted)
 931       XMoveWindow(display, menu.window, menu.x_shift, menu.y_shift);
 932
 933     if (which_sub != -1) {
 934       BasemenuItem *tmp = find(which_sub);
 935       if (tmp->submenu()->isVisible()) {
 936         int sbl = (ce->x / menu.item_w), i = (ce->y / menu.item_h),
 937           w = (sbl * menu.persub) + i;
 938
 939         if (w != which_sub && ! tmp->submenu()->isTorn()) {
 940           tmp->submenu()->internal_hide();
 941
 942           drawItem(which_sub, False, True);
 943           which_sub = -1;
 944         }
 945       }
 946     }
 947   }
 948 }
 949
 950
 951 void Basemenu::leaveNotifyEvent(XCrossingEvent *ce) {
 952   if (ce->window == menu.frame) {
 953     if (which_press != -1 && which_sbl != -1 && menuitems.size() > 0) {
 954       int p = (which_sbl * menu.persub) + which_press;
 955
 956       drawItem(p, (p == which_sub), True);
 957
 958       which_sbl = which_press = -1;
 959     }
 960
 961     if (shifted) {
 962       XMoveWindow(display, menu.window, menu.x, menu.y);
 963       shifted = False;
 964
 965       if (which_sub != -1) drawSubmenu(which_sub);
 966     }
 967   }
 968 }
 969
 970
 971 void Basemenu::reconfigure(void) {
 972   XSetWindowBackground(display, menu.window,
 973                        screen->getBorderColor()->pixel());
 974   XSetWindowBorder(display, menu.window,
 975                    screen->getBorderColor()->pixel());
 976   XSetWindowBorderWidth(display, menu.window, screen->getBorderWidth());
 977
 978   menu.bevel_w = screen->getBevelWidth();
 979   update();
 980 }
 981
 982
 983 void Basemenu::changeItemLabel(unsigned int index, const string& label) {
 984   BasemenuItem *item = find(index);
 985   if (item)
 986     item->newLabel(label);
 987 }