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::Style *style)
  27   : otk::Widget(Openbox::instance, 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),
  34     _button_iconify(&_titlebar, WidgetBase::Type_IconifyButton),
  35     _button_max(&_titlebar, WidgetBase::Type_MaximizeButton),
  36     _button_stick(&_titlebar, WidgetBase::Type_StickyButton),
  37     _label(&_titlebar, WidgetBase::Type_Label),
  38     _handle(this, WidgetBase::Type_Handle),
  39     _grip_left(&_handle, WidgetBase::Type_LeftGrip),
  40     _grip_right(&_handle, WidgetBase::Type_RightGrip),
  41     _decorations(client->decorations())
  42 {
  43   assert(client);
  44   assert(style);
  45
  46   XSelectInput(otk::Display::display, _window, Frame::event_mask);
  47
  48   _grip_left.setCursor(Openbox::instance->cursors().ll_angle);
  49   _grip_right.setCursor(Openbox::instance->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::Style *style)
  75 {
  76   assert(style);
  77
  78   otk::Widget::setStyle(style);
  79
  80   // if a style was previously set, then 'replace' is true, cause we're
  81   // replacing a style
  82   bool replace = (_style);
  83
  84   if (replace) {
  85     // XXX: do shit here whatever
  86   }
  87
  88   _style = style;
  89
  90   setBorderColor(_style->getBorderColor());
  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 butsize=0; // width and height of the titlebar buttons
 132   const int bevel = _style->getBevelWidth();
 133
 134   if (_decorations & Client::Decor_Border) {
 135     bwidth = _style->getBorderWidth();
 136     cbwidth = _style->getFrameWidth();
 137   } else
 138     bwidth = cbwidth = 0;
 139   _innersize.left = _innersize.top = _innersize.bottom = _innersize.right =
 140     cbwidth;
 141   width = _client->area().width() + cbwidth * 2;
 142
 143   _plate.setBorderWidth(cbwidth);
 144
 145   setBorderWidth(bwidth);
 146   _titlebar.setBorderWidth(bwidth);
 147   _grip_left.setBorderWidth(bwidth);
 148   _grip_right.setBorderWidth(bwidth);
 149   _handle.setBorderWidth(bwidth);
 150
 151   if (_decorations & Client::Decor_Titlebar) {
 152     // set the titlebar size
 153     _titlebar.setGeometry(-bwidth,
 154                           -bwidth,
 155                           width,
 156                           _style->getFont()->height() + bevel * 2);
 157     _innersize.top += _titlebar.height() + bwidth;
 158
 159     // set the label size
 160     _label.setGeometry(0, bevel, width, _style->getFont()->height());
 161     // set the buttons sizes
 162     butsize = _label.height() - 2;
 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_Sticky)
 168       _button_stick.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 's':
 208       case 'S':
 209         if (!tit_s && (_decorations & Client::Decor_Sticky)) {
 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.append(1, '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 's':
 259       case 'S':
 260         _button_stick.move(x, _button_stick.rect().y());
 261         x += _button_stick.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->getHandleWidth());
 279     _grip_left.setGeometry(-bwidth,
 280                            -bwidth,
 281                            // XXX: get a Point class in otk and use that for
 282                            // the 'buttons size' since theyre all the same
 283                            butsize * 2,
 284                            _handle.height());
 285     _grip_right.setGeometry(((_handle.rect().right() + 1) -
 286                              butsize * 2),
 287                             -bwidth,
 288                             // XXX: get a Point class in otk and use that for
 289                             // the 'buttons size' since theyre all the same
 290                             butsize * 2,
 291                             _handle.height());
 292     _innersize.bottom += _handle.height() + bwidth;
 293   }
 294
 295
 296   // position/size all the windows
 297
 298   if (_client->shaded())
 299     resize(_innersize.left + _innersize.right + _client->area().width(),
 300            _titlebar.height());
 301   else
 302     resize(_innersize.left + _innersize.right + _client->area().width(),
 303            _innersize.top + _innersize.bottom + _client->area().height());
 304
 305   _plate.setGeometry(_innersize.left - cbwidth, _innersize.top - cbwidth,
 306                      _client->area().width(), _client->area().height());
 307
 308   // map/unmap all the windows
 309   if (_decorations & Client::Decor_Titlebar) {
 310     _label.show();
 311     if (tit_i)
 312       _button_iconify.show();
 313     else
 314       _button_iconify.hide();
 315     if (tit_m)
 316       _button_max.show();
 317     else
 318       _button_max.hide();
 319     if (tit_s)
 320       _button_stick.show();
 321     else
 322       _button_stick.hide();
 323     if (tit_c)
 324       _button_close.show();
 325     else
 326       _button_close.hide();
 327     _titlebar.show();
 328   } else {
 329     _titlebar.hide(true);
 330   }
 331
 332   if (_decorations & Client::Decor_Handle)
 333     _handle.show(true);
 334   else
 335     _handle.hide(true);
 336
 337   _size.left   = _innersize.left + bwidth;
 338   _size.right  = _innersize.right + bwidth;
 339   _size.top    = _innersize.top + bwidth;
 340   _size.bottom = _innersize.bottom + bwidth;
 341
 342   adjustShape();
 343
 344   update();
 345 }
 346
 347
 348 void Frame::adjustPosition()
 349 {
 350   int x, y;
 351   clientGravity(x, y);
 352   move(x, y);
 353 }
 354
 355
 356 void Frame::adjustShape()
 357 {
 358 #ifdef SHAPE
 359   int bwidth = (_decorations & Client::Decor_Border) ?
 360     _style->getBorderWidth() : 0;
 361
 362   if (!_client->shaped()) {
 363     // clear the shape on the frame window
 364     XShapeCombineMask(otk::Display::display, _window, ShapeBounding,
 365                       _innersize.left,
 366                       _innersize.top,
 367                       None, ShapeSet);
 368   } else {
 369     // make the frame's shape match the clients
 370     XShapeCombineShape(otk::Display::display, _window, ShapeBounding,
 371                        _innersize.left,
 372                        _innersize.top,
 373                        _client->window(), ShapeBounding, ShapeSet);
 374
 375     int num = 0;
 376     XRectangle xrect[2];
 377
 378     if (_decorations & Client::Decor_Titlebar) {
 379       xrect[0].x = _titlebar.rect().x();
 380       xrect[0].y = _titlebar.rect().y();
 381       xrect[0].width = _titlebar.width() + bwidth * 2; // XXX: this is useless once the widget handles borders!
 382       xrect[0].height = _titlebar.height() + bwidth * 2;
 383       ++num;
 384     }
 385
 386     if (_decorations & Client::Decor_Handle) {
 387       xrect[1].x = _handle.rect().x();
 388       xrect[1].y = _handle.rect().y();
 389       xrect[1].width = _handle.width() + bwidth * 2; // XXX: this is useless once the widget handles borders!
 390       xrect[1].height = _handle.height() + bwidth * 2;
 391       ++num;
 392     }
 393
 394     XShapeCombineRectangles(otk::Display::display, window(),
 395                             ShapeBounding, 0, 0, xrect, num,
 396                             ShapeUnion, Unsorted);
 397   }
 398 #endif // SHAPE
 399 }
 400
 401
 402 void Frame::grabClient()
 403 {
 404   // reparent the client to the frame
 405   XReparentWindow(otk::Display::display, _client->window(),
 406                   _plate.window(), 0, 0);
 407   /*
 408     When reparenting the client window, it is usually not mapped yet, since
 409     this occurs from a MapRequest. However, in the case where Openbox is
 410     starting up, the window is already mapped, so we'll see unmap events for
 411     it. There are 2 unmap events generated that we see, one with the 'event'
 412     member set the root window, and one set to the client, but both get handled
 413     and need to be ignored.
 414   */
 415   if (Openbox::instance->state() == Openbox::State_Starting)
 416     _client->ignore_unmaps += 2;
 417
 418   // select the event mask on the client's parent (to receive config req's)
 419   XSelectInput(otk::Display::display, _plate.window(),
 420                SubstructureRedirectMask);
 421
 422   // map the client so it maps when the frame does
 423   XMapWindow(otk::Display::display, _client->window());
 424
 425   adjustSize();
 426   adjustPosition();
 427 }
 428
 429
 430 void Frame::releaseClient()
 431 {
 432   XEvent ev;
 433
 434   // check if the app has already reparented its window away
 435   if (XCheckTypedWindowEvent(otk::Display::display, _client->window(),
 436                              ReparentNotify, &ev)) {
 437     XPutBackEvent(otk::Display::display, &ev);
 438     // re-map the window since the unmanaging process unmaps it
 439     XMapWindow(otk::Display::display, _client->window());
 440   } else {
 441     // according to the ICCCM - if the client doesn't reparent itself, then we
 442     // will reparent the window to root for them
 443     XReparentWindow(otk::Display::display, _client->window(),
 444                     _screen->rootWindow(),
 445                     _client->area().x(), _client->area().y());
 446   }
 447 }
 448
 449
 450 void Frame::clientGravity(int &x, int &y)
 451 {
 452   x = _client->area().x();
 453   y = _client->area().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   x = rect().x();
 512   y = rect().y();
 513
 514   // horizontal
 515   switch (_client->gravity()) {
 516   default:
 517   case NorthWestGravity:
 518   case WestGravity:
 519   case SouthWestGravity:
 520     break;
 521   case NorthGravity:
 522   case CenterGravity:
 523   case SouthGravity:
 524     x += (_size.left + _size.right) / 2;
 525     break;
 526   case NorthEastGravity:
 527   case EastGravity:
 528   case SouthEastGravity:
 529     x += _size.left + _size.right;
 530     break;
 531   case StaticGravity:
 532   case ForgetGravity:
 533     x += _size.left;
 534     break;
 535   }
 536
 537   // vertical
 538   switch (_client->gravity()) {
 539   default:
 540   case NorthWestGravity:
 541   case WestGravity:
 542   case SouthWestGravity:
 543     break;
 544   case NorthGravity:
 545   case CenterGravity:
 546   case SouthGravity:
 547     y += (_size.top + _size.bottom) / 2;
 548     break;
 549   case NorthEastGravity:
 550   case EastGravity:
 551   case SouthEastGravity:
 552     y += _size.top + _size.bottom;
 553     break;
 554   case StaticGravity:
 555   case ForgetGravity:
 556     y += _size.top;
 557     break;
 558   }
 559 }
 560
 561
 562 }