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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 extern "C" {
   8 #ifdef    SHAPE
   9 #include <X11/extensions/shape.h>
  10 #endif // SHAPE
  11 }
  12
  13 #include "openbox.hh"
  14 #include "frame.hh"
  15 #include "client.hh"
  16 #include "python.hh"
  17 #include "bindings.hh"
  18 #include "otk/display.hh"
  19
  20 #include <string>
  21
  22 namespace ob {
  23
  24 const long Frame::event_mask;
  25
  26 Frame::Frame(Client *client, otk::RenderStyle *style)
  27   : otk::Widget(openbox, style, Horizontal, 0, 1, true),
  28     WidgetBase(WidgetBase::Type_Frame),
  29     _client(client),
  30     _screen(otk::display->screenInfo(client->screen())),
  31     _plate(this, WidgetBase::Type_Plate),
  32     _titlebar(this, WidgetBase::Type_Titlebar),
  33     _button_close(&_titlebar, WidgetBase::Type_CloseButton, client),
  34     _button_iconify(&_titlebar, WidgetBase::Type_IconifyButton, client),
  35     _button_max(&_titlebar, WidgetBase::Type_MaximizeButton, client),
  36     _button_alldesk(&_titlebar, WidgetBase::Type_AllDesktopsButton, client),
  37     _label(&_titlebar, WidgetBase::Type_Label),
  38     _handle(this, WidgetBase::Type_Handle),
  39     _grip_left(&_handle, WidgetBase::Type_LeftGrip, client),
  40     _grip_right(&_handle, WidgetBase::Type_RightGrip, client),
  41     _decorations(client->decorations())
  42 {
  43   assert(client);
  44   assert(style);
  45
  46   XSelectInput(**otk::display, _window, Frame::event_mask);
  47
  48   _grip_left.setCursor(openbox->cursors().ll_angle);
  49   _grip_right.setCursor(openbox->cursors().lr_angle);
  50
  51   _label.setText(_client->title());
  52
  53   _style = 0;
  54   setStyle(style);
  55
  56   otk::Widget::unfocus(); // stuff starts out appearing focused in otk
  57
  58   _plate.show(); // the other stuff is shown based on decor settings
  59 }
  60
  61
  62 Frame::~Frame()
  63 {
  64 }
  65
  66
  67 void Frame::setTitle(const otk::ustring &text)
  68 {
  69   _label.setText(text);
  70   _label.update();
  71 }
  72
  73
  74 void Frame::setStyle(otk::RenderStyle *style)
  75 {
  76   assert(style);
  77
  78   // if a style was previously set, then 'replace' is true, cause we're
  79   // replacing a style
  80   bool replace = (_style);
  81
  82   otk::Widget::setStyle(style);
  83
  84   if (replace) {
  85     // XXX: do shit here whatever
  86   }
  87
  88   _style = style;
  89
  90   setBorderColor(_style->frameBorderColor());
  91
  92   // if !replace, then adjust() will get called after the client is grabbed!
  93   if (replace) {
  94     // size/position everything
  95     adjustSize();
  96     adjustPosition();
  97   }
  98 }
  99
 100
 101 void Frame::focus()
 102 {
 103   otk::Widget::focus();
 104   update();
 105 }
 106
 107
 108 void Frame::unfocus()
 109 {
 110   otk::Widget::unfocus();
 111   update();
 112 }
 113
 114
 115 void Frame::adjust()
 116 {
 117   // the party all happens in adjustSize
 118 }
 119
 120
 121 void Frame::adjustSize()
 122 {
 123   // XXX: only if not overridden or something!!! MORE LOGIC HERE!!
 124   _decorations = _client->decorations();
 125
 126   // true/false for whether to show each element of the titlebar
 127   bool tit_i = false, tit_m = false, tit_s = false, tit_c = false;
 128   int width;   // the width of the client and its border
 129   int bwidth;  // width to make borders
 130   int cbwidth; // width of the inner client border
 131   int fontheight = _style->labelFont()->height(); // height of the font
 132   int butsize = fontheight - 2; // width and height of the titlebar buttons
 133   const int bevel = _style->bevelWidth();
 134
 135   if (_decorations & Client::Decor_Border) {
 136     bwidth = _style->frameBorderWidth();
 137     cbwidth = _style->clientBorderWidth();
 138   } else
 139     bwidth = cbwidth = 0;
 140   _innersize.left = _innersize.top = _innersize.bottom = _innersize.right =
 141     cbwidth;
 142   width = _client->area().width() + cbwidth * 2;
 143
 144   _plate.setBorderWidth(cbwidth);
 145
 146   setBorderWidth(bwidth);
 147   _titlebar.setBorderWidth(bwidth);
 148   _grip_left.setBorderWidth(bwidth);
 149   _grip_right.setBorderWidth(bwidth);
 150   _handle.setBorderWidth(bwidth);
 151
 152   if (_decorations & Client::Decor_Titlebar) {
 153     // set the titlebar size
 154     _titlebar.setGeometry(-bwidth,
 155                           -bwidth,
 156                           width,
 157                           _style->labelFont()->height() + (bevel * 2));
 158     _innersize.top += _titlebar.height() + bwidth;
 159
 160     // set the label size
 161     _label.setGeometry(0, bevel, width, fontheight);
 162     // set the buttons sizes
 163     if (_decorations & Client::Decor_Iconify)
 164       _button_iconify.setGeometry(0, bevel + 1, butsize, butsize);
 165     if (_decorations & Client::Decor_Maximize)
 166       _button_max.setGeometry(0, bevel + 1, butsize, butsize);
 167     if (_decorations & Client::Decor_AllDesktops)
 168       _button_alldesk.setGeometry(0, bevel + 1, butsize, butsize);
 169     if (_decorations & Client::Decor_Close)
 170       _button_close.setGeometry(0, bevel + 1, butsize, butsize);
 171
 172     // separation between titlebar elements
 173     const int sep = bevel + 1;
 174
 175     otk::ustring layout;
 176     if (!python_get_string("TITLEBAR_LAYOUT", &layout))
 177       layout = "ILMC";
 178
 179     // this code ensures that the string only has one of each possible
 180     // letter, all of the letters are valid, and L exists somewhere in the
 181     // string!
 182     bool tit_l = false;
 183
 184     for (std::string::size_type i = 0; i < layout.size(); ++i) {
 185       switch (layout[i]) {
 186       case 'i':
 187       case 'I':
 188         if (!tit_i && (_decorations & Client::Decor_Iconify)) {
 189           tit_i = true;
 190           continue;
 191         }
 192         break;
 193       case 'l':
 194       case 'L':
 195         if (!tit_l) {
 196           tit_l = true;
 197           continue;
 198         }
 199         break;
 200       case 'm':
 201       case 'M':
 202         if (!tit_m && (_decorations & Client::Decor_Maximize)) {
 203           tit_m = true;
 204           continue;
 205         }
 206         break;
 207       case 'd':
 208       case 'D':
 209         if (!tit_s && (_decorations & Client::Decor_AllDesktops)) {
 210           tit_s = true;
 211           continue;
 212         }
 213         break;
 214       case 'c':
 215       case 'C':
 216         if (!tit_c && (_decorations & Client::Decor_Close)) {
 217           tit_c = true;
 218           continue;
 219         }
 220         break;
 221       }
 222       // if we get here then we don't want the letter, kill it
 223       layout.erase(i--, 1);
 224     }
 225     if (!tit_l)
 226       layout += "L";
 227
 228     // the size of the label. this ASSUMES the layout has only buttons other
 229     // that the ONE LABEL!!
 230     // adds an extra sep so that there's a space on either side of the
 231     // titlebar.. note: x = sep, below.
 232     int lwidth = width - sep * 2 -
 233       (butsize + sep) * (layout.size() - 1);
 234     // quick sanity check for really small windows. if this is needed, its
 235     // obviously not going to be displayed right...
 236     // XXX: maybe we should make this look better somehow? constraints?
 237     if (lwidth <= 0) lwidth = 1;
 238     _label.setWidth(lwidth);
 239
 240     int x = sep;
 241     for (std::string::size_type i = 0, len = layout.size(); i < len; ++i) {
 242       switch (layout[i]) {
 243       case 'i':
 244       case 'I':
 245         _button_iconify.move(x, _button_iconify.rect().y());
 246         x += _button_iconify.width();
 247         break;
 248       case 'l':
 249       case 'L':
 250         _label.move(x, _label.rect().y());
 251         x += _label.width();
 252         break;
 253       case 'm':
 254       case 'M':
 255         _button_max.move(x, _button_max.rect().y());
 256         x += _button_max.width();
 257         break;
 258       case 'd':
 259       case 'D':
 260         _button_alldesk.move(x, _button_alldesk.rect().y());
 261         x += _button_alldesk.width();
 262         break;
 263       case 'c':
 264       case 'C':
 265         _button_close.move(x, _button_close.rect().y());
 266         x += _button_close.width();
 267         break;
 268       default:
 269         assert(false); // the layout string is invalid!
 270       }
 271       x += sep;
 272     }
 273   }
 274
 275   if (_decorations & Client::Decor_Handle) {
 276     _handle.setGeometry(-bwidth,
 277                         _innersize.top + _client->area().height() + cbwidth,
 278                         width, _style->handleWidth());
 279     _grip_left.setGeometry(-bwidth,
 280                            -bwidth,
 281                            butsize * 2,
 282                            _handle.height());
 283     _grip_right.setGeometry(((_handle.rect().right() + 1) -
 284                              butsize * 2),
 285                             -bwidth,
 286                             butsize * 2,
 287                             _handle.height());
 288     _innersize.bottom += _handle.height() + bwidth;
 289   }
 290
 291
 292   // position/size all the windows
 293
 294   if (_client->shaded())
 295     resize(_innersize.left + _innersize.right + _client->area().width(),
 296            _titlebar.height());
 297   else
 298     resize(_innersize.left + _innersize.right + _client->area().width(),
 299            _innersize.top + _innersize.bottom + _client->area().height());
 300
 301   _plate.setGeometry(_innersize.left - cbwidth, _innersize.top - cbwidth,
 302                      _client->area().width(), _client->area().height());
 303
 304   // map/unmap all the windows
 305   if (_decorations & Client::Decor_Titlebar) {
 306     _label.show();
 307     if (tit_i)
 308       _button_iconify.show();
 309     else
 310       _button_iconify.hide();
 311     if (tit_m)
 312       _button_max.show();
 313     else
 314       _button_max.hide();
 315     if (tit_s)
 316       _button_alldesk.show();
 317     else
 318       _button_alldesk.hide();
 319     if (tit_c)
 320       _button_close.show();
 321     else
 322       _button_close.hide();
 323     _titlebar.show();
 324   } else {
 325     _titlebar.hide(true);
 326   }
 327
 328   if (_decorations & Client::Decor_Handle)
 329     _handle.show(true);
 330   else
 331     _handle.hide(true);
 332
 333   _size.left   = _innersize.left + bwidth;
 334   _size.right  = _innersize.right + bwidth;
 335   _size.top    = _innersize.top + bwidth;
 336   _size.bottom = _innersize.bottom + bwidth;
 337
 338   adjustShape();
 339
 340   update();
 341 }
 342
 343
 344 void Frame::adjustPosition()
 345 {
 346   int x, y;
 347   x = _client->area().x();
 348   y = _client->area().y();
 349   clientGravity(x, y);
 350   move(x, y);
 351 }
 352
 353
 354 void Frame::adjustShape()
 355 {
 356 #ifdef SHAPE
 357   int bwidth = (_decorations & Client::Decor_Border) ?
 358     _style->frameBorderWidth() : 0;
 359
 360   if (!_client->shaped()) {
 361     // clear the shape on the frame window
 362     XShapeCombineMask(**otk::display, _window, ShapeBounding,
 363                       _innersize.left,
 364                       _innersize.top,
 365                       None, ShapeSet);
 366   } else {
 367     // make the frame's shape match the clients
 368     XShapeCombineShape(**otk::display, _window, ShapeBounding,
 369                        _innersize.left,
 370                        _innersize.top,
 371                        _client->window(), ShapeBounding, ShapeSet);
 372
 373     int num = 0;
 374     XRectangle xrect[2];
 375
 376     if (_decorations & Client::Decor_Titlebar) {
 377       xrect[0].x = _titlebar.rect().x();
 378       xrect[0].y = _titlebar.rect().y();
 379       xrect[0].width = _titlebar.width() + bwidth * 2; // XXX: this is useless once the widget handles borders!
 380       xrect[0].height = _titlebar.height() + bwidth * 2;
 381       ++num;
 382     }
 383
 384     if (_decorations & Client::Decor_Handle) {
 385       xrect[1].x = _handle.rect().x();
 386       xrect[1].y = _handle.rect().y();
 387       xrect[1].width = _handle.width() + bwidth * 2; // XXX: this is useless once the widget handles borders!
 388       xrect[1].height = _handle.height() + bwidth * 2;
 389       ++num;
 390     }
 391
 392     XShapeCombineRectangles(**otk::display, window(),
 393                             ShapeBounding, 0, 0, xrect, num,
 394                             ShapeUnion, Unsorted);
 395   }
 396 #endif // SHAPE
 397 }
 398
 399
 400 void Frame::adjustState()
 401 {
 402   _button_alldesk.update();
 403   _button_max.update();
 404 }
 405
 406
 407 void Frame::grabClient()
 408 {
 409   // reparent the client to the frame
 410   XReparentWindow(**otk::display, _client->window(), _plate.window(), 0, 0);
 411   /*
 412     When reparenting the client window, it is usually not mapped yet, since
 413     this occurs from a MapRequest. However, in the case where Openbox is
 414     starting up, the window is already mapped, so we'll see unmap events for
 415     it. There are 2 unmap events generated that we see, one with the 'event'
 416     member set the root window, and one set to the client, but both get handled
 417     and need to be ignored.
 418   */
 419   if (openbox->state() == Openbox::State_Starting)
 420     _client->ignore_unmaps += 2;
 421
 422   // select the event mask on the client's parent (to receive config/map req's)
 423   XSelectInput(**otk::display, _plate.window(), SubstructureRedirectMask);
 424
 425   // map the client so it maps when the frame does
 426   XMapWindow(**otk::display, _client->window());
 427
 428   adjustSize();
 429   adjustPosition();
 430 }
 431
 432
 433 void Frame::releaseClient()
 434 {
 435   XEvent ev;
 436
 437   // check if the app has already reparented its window away
 438   if (XCheckTypedWindowEvent(**otk::display, _client->window(),
 439                              ReparentNotify, &ev)) {
 440     XPutBackEvent(**otk::display, &ev);
 441     // re-map the window since the unmanaging process unmaps it
 442     XMapWindow(**otk::display, _client->window());
 443   } else {
 444     // according to the ICCCM - if the client doesn't reparent itself, then we
 445     // will reparent the window to root for them
 446     XReparentWindow(**otk::display, _client->window(),
 447                     _screen->rootWindow(),
 448                     _client->area().x(), _client->area().y());
 449   }
 450 }
 451
 452
 453 void Frame::clientGravity(int &x, int &y)
 454 {
 455   // horizontal
 456   switch (_client->gravity()) {
 457   default:
 458   case NorthWestGravity:
 459   case SouthWestGravity:
 460   case WestGravity:
 461     break;
 462
 463   case NorthGravity:
 464   case SouthGravity:
 465   case CenterGravity:
 466     x -= (_size.left + _size.right) / 2;
 467     break;
 468
 469   case NorthEastGravity:
 470   case SouthEastGravity:
 471   case EastGravity:
 472     x -= _size.left + _size.right;
 473     break;
 474
 475   case ForgetGravity:
 476   case StaticGravity:
 477     x -= _size.left;
 478     break;
 479   }
 480
 481   // vertical
 482   switch (_client->gravity()) {
 483   default:
 484   case NorthWestGravity:
 485   case NorthEastGravity:
 486   case NorthGravity:
 487     break;
 488
 489   case CenterGravity:
 490   case EastGravity:
 491   case WestGravity:
 492     y -= (_size.top + _size.bottom) / 2;
 493     break;
 494
 495   case SouthWestGravity:
 496   case SouthEastGravity:
 497   case SouthGravity:
 498     y -= _size.top + _size.bottom;
 499     break;
 500
 501   case ForgetGravity:
 502   case StaticGravity:
 503     y -= _size.top;
 504     break;
 505   }
 506 }
 507
 508
 509 void Frame::frameGravity(int &x, int &y)
 510 {
 511   // horizontal
 512   switch (_client->gravity()) {
 513   default:
 514   case NorthWestGravity:
 515   case WestGravity:
 516   case SouthWestGravity:
 517     break;
 518   case NorthGravity:
 519   case CenterGravity:
 520   case SouthGravity:
 521     x += (_size.left + _size.right) / 2;
 522     break;
 523   case NorthEastGravity:
 524   case EastGravity:
 525   case SouthEastGravity:
 526     x += _size.left + _size.right;
 527     break;
 528   case StaticGravity:
 529   case ForgetGravity:
 530     x += _size.left;
 531     break;
 532   }
 533
 534   // vertical
 535   switch (_client->gravity()) {
 536   default:
 537   case NorthWestGravity:
 538   case WestGravity:
 539   case SouthWestGravity:
 540     break;
 541   case NorthGravity:
 542   case CenterGravity:
 543   case SouthGravity:
 544     y += (_size.top + _size.bottom) / 2;
 545     break;
 546   case NorthEastGravity:
 547   case EastGravity:
 548   case SouthEastGravity:
 549     y += _size.top + _size.bottom;
 550     break;
 551   case StaticGravity:
 552   case ForgetGravity:
 553     y += _size.top;
 554     break;
 555   }
 556 }
 557
 558
 559 }