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 "frame.hh"
  14 #include "client.hh"
  15 #include "otk/display.hh"
  16
  17 #include <string>
  18
  19 namespace ob {
  20
  21 OBFrame::OBFrame(const OBClient *client, const otk::Style *style)
  22   : _client(client),
  23     _screen(otk::OBDisplay::screenInfo(client->screen()))
  24 {
  25   assert(client);
  26   assert(style);
  27
  28   _decorations = client->decorations();
  29
  30   // create the base frame parent window
  31   _window = createFrame();
  32   assert(_window);
  33
  34   // create all of the style element child windows
  35   _titlebar = createChild(_window, 0);
  36   assert(_titlebar);
  37   _button_iconify = createChild(_titlebar, 0);
  38   assert(_button_iconify);
  39   _button_max = createChild(_titlebar, 0);
  40   assert(_button_max);
  41   _button_stick = createChild(_titlebar, 0);
  42   assert(_button_stick);
  43   _button_close = createChild(_titlebar, 0);
  44   assert(_button_close);
  45   _label = createChild(_titlebar, 0);
  46   assert(_label);
  47   XMapSubwindows(otk::OBDisplay::display, _titlebar);
  48
  49   _handle = createChild(_window, 0);
  50   assert(_handle);
  51   _grip_left = createChild(_handle, 0);
  52   assert(_grip_left);
  53   _grip_right = createChild(_handle, 0);
  54   assert(_grip_right);
  55   XMapSubwindows(otk::OBDisplay::display, _handle);
  56
  57   _style = 0;
  58   loadStyle(style);
  59
  60   grabClient();
  61 }
  62
  63
  64 OBFrame::~OBFrame()
  65 {
  66   XDestroyWindow(otk::OBDisplay::display, _button_iconify);
  67   XDestroyWindow(otk::OBDisplay::display, _button_max);
  68   XDestroyWindow(otk::OBDisplay::display, _button_stick);
  69   XDestroyWindow(otk::OBDisplay::display, _button_close);
  70   XDestroyWindow(otk::OBDisplay::display, _label);
  71   XDestroyWindow(otk::OBDisplay::display, _titlebar);
  72   XDestroyWindow(otk::OBDisplay::display, _grip_left);
  73   XDestroyWindow(otk::OBDisplay::display, _grip_right);
  74   XDestroyWindow(otk::OBDisplay::display, _handle);
  75
  76   releaseClient(false);
  77
  78   XDestroyWindow(otk::OBDisplay::display, _window);
  79 }
  80
  81
  82 void OBFrame::loadStyle(const otk::Style *style)
  83 {
  84   assert(style);
  85
  86   // if a style was previously set, then 'replace' is true, cause we're
  87   // replacing a style
  88   bool replace = (_style);
  89
  90   if (replace) {
  91     // XXX: do shit here whatever
  92   }
  93
  94   _style = style;
  95
  96   XSetWindowBorderWidth(otk::OBDisplay::display, _window,
  97                         _style->getBorderWidth());
  98   XSetWindowBorder(otk::OBDisplay::display, _window,
  99                    _style->getBorderColor().pixel());
 100   XSetWindowBorderWidth(otk::OBDisplay::display, _titlebar,
 101                         _style->getBorderWidth());
 102   XSetWindowBorder(otk::OBDisplay::display, _titlebar,
 103                    _style->getBorderColor().pixel());
 104   XSetWindowBorderWidth(otk::OBDisplay::display, _grip_left,
 105                         _style->getBorderWidth());
 106   XSetWindowBorder(otk::OBDisplay::display, _grip_left,
 107                    _style->getBorderColor().pixel());
 108   XSetWindowBorderWidth(otk::OBDisplay::display, _grip_right,
 109                         _style->getBorderWidth());
 110   XSetWindowBorder(otk::OBDisplay::display, _grip_right,
 111                    _style->getBorderColor().pixel());
 112   XSetWindowBorderWidth(otk::OBDisplay::display, _handle,
 113                         _style->getBorderWidth());
 114   XSetWindowBorder(otk::OBDisplay::display, _handle,
 115                    _style->getBorderColor().pixel());
 116
 117   // XXX: if (focused)
 118     XSetWindowBackground(otk::OBDisplay::display, _window,
 119                          _style->getFrameFocus().color().pixel());
 120   // XXX: else
 121   // XXX:  XSetWindowBackground(otk::OBDisplay::display, _window,
 122   // XXX:                       _style->getFrameUnfocus().color().pixel());
 123
 124   // if !replace, then update() will get called after the client is grabbed!
 125   if (replace) {
 126     update();
 127
 128     // XXX: make everything redraw
 129   }
 130 }
 131
 132
 133 void OBFrame::update()
 134 {
 135   // XXX: only if not overridden or something!!! MORE LOGIC HERE!!
 136   _decorations = _client->decorations();
 137
 138   int width;   // the width of the client window and the border around it
 139
 140   if (_decorations & OBClient::Decor_Border) {
 141     _size.left = _size.top = _size.bottom = _size.right =
 142       _style->getFrameWidth();
 143     width = _client->area().width() + _style->getFrameWidth() * 2;
 144   } else {
 145     _size.left = _size.top = _size.bottom = _size.right = 0;
 146     width = _client->area().width();
 147   }
 148
 149   if (_decorations & OBClient::Decor_Titlebar) {
 150     // set the titlebar size
 151     _titlebar_area.setRect(-_style->getBorderWidth(),
 152                            -_style->getBorderWidth(),
 153                            width,
 154                            (_style->getFont().height() +
 155                             _style->getBevelWidth() * 2));
 156     _size.top += _titlebar_area.height() + _style->getBorderWidth();
 157
 158     // set the label size
 159     _label_area.setRect(0, _style->getBevelWidth(),
 160                         width, _style->getFont().height());
 161     // set the buttons sizes
 162     if (_decorations & OBClient::Decor_Iconify)
 163       _button_iconify_area.setRect(0, _style->getBevelWidth() + 1,
 164                                    _label_area.height() - 2,
 165                                    _label_area.height() - 2);
 166     if (_decorations & OBClient::Decor_Maximize)
 167       _button_max_area.setRect(0, _style->getBevelWidth() + 1,
 168                                _label_area.height() - 2,
 169                                _label_area.height() - 2);
 170     if (_decorations & OBClient::Decor_Sticky)
 171       _button_stick_area.setRect(0, _style->getBevelWidth() + 1,
 172                                  _label_area.height() - 2,
 173                                  _label_area.height() - 2);
 174     if (_decorations & OBClient::Decor_Close)
 175       _button_close_area.setRect(0, _style->getBevelWidth() + 1,
 176                                  _label_area.height() - 2,
 177                                  _label_area.height() - 2);
 178
 179     // separation between titlebar elements
 180     const int sep = _style->getBevelWidth() + 1;
 181
 182     std::string layout = "ILMC"; // XXX: get this from somewhere
 183     // XXX: it is REQUIRED that by this point, the string only has one of each
 184     // possible letter, all of the letters are valid, and L exists somewhere in
 185     // the string!
 186
 187     int x = sep;
 188     for (int i = 0, len = layout.size(); i < len; ++i) {
 189       otk::Rect *area;
 190       switch (layout[i]) {
 191       case 'I':
 192         if (!(_decorations & OBClient::Decor_Iconify))
 193           continue; // skip it
 194         area = &_button_iconify_area;
 195         break;
 196       case 'L':
 197         area = &_label_area;
 198         break;
 199       case 'M':
 200         if (!(_decorations & OBClient::Decor_Maximize))
 201           continue; // skip it
 202         area = &_button_max_area;
 203         break;
 204       case 'S':
 205         if (!(_decorations & OBClient::Decor_Sticky))
 206           continue; // skip it
 207         area = &_button_stick_area;
 208         break;
 209       case 'C':
 210         if (!(_decorations & OBClient::Decor_Close))
 211           continue; // skip it
 212         area = &_button_close_area;
 213         break;
 214       default:
 215         assert(false); // the layout string is invalid!
 216         continue; // just to fuck with g++
 217       }
 218       area->setX(x);
 219       if (layout[i] != 'L')
 220         _label_area.setWidth(_label_area.width() - area->width());
 221       x += sep + area->width();
 222     }
 223   }
 224
 225   if (_decorations & OBClient::Decor_Handle) {
 226     _handle_area.setRect(-_style->getBorderWidth(),
 227                          _size.top + _client->area().height() +
 228                          _style->getFrameWidth(),
 229                          width, _style->getHandleWidth());
 230     _grip_left_area.setRect(-_style->getBorderWidth(),
 231                             -_style->getBorderWidth(),
 232                             // XXX: get a Point class in otk and use that for
 233                             // the 'buttons size' since theyre all the same
 234                             _button_iconify_area.width() * 2,
 235                             _handle_area.height());
 236     _grip_right_area.setRect(((_handle_area.right() + 1) -
 237                               _button_iconify_area.width() * 2),
 238                              -_style->getBorderWidth(),
 239                              // XXX: get a Point class in otk and use that for
 240                              // the 'buttons size' since theyre all the same
 241                              _button_iconify_area.width() * 2,
 242                              _handle_area.height());
 243     _size.bottom += _handle_area.height() + _style->getBorderWidth();
 244   }
 245
 246
 247   // position/size all the windows
 248
 249   XResizeWindow(otk::OBDisplay::display, _window,
 250                 _size.left + _size.right + _client->area().width(),
 251                 _size.top + _size.bottom + _client->area().height());
 252
 253   XMoveWindow(otk::OBDisplay::display, _client->window(),
 254               _size.left, _size.top);
 255
 256   if (_decorations & OBClient::Decor_Titlebar) {
 257     XMoveResizeWindow(otk::OBDisplay::display, _titlebar,
 258                       _titlebar_area.x(), _titlebar_area.y(),
 259                       _titlebar_area.width(), _titlebar_area.height());
 260     XMoveResizeWindow(otk::OBDisplay::display, _label,
 261                       _label_area.x(), _label_area.y(),
 262                       _label_area.width(), _label_area.height());
 263     if (_decorations & OBClient::Decor_Iconify)
 264       XMoveResizeWindow(otk::OBDisplay::display, _button_iconify,
 265                         _button_iconify_area.x(), _button_iconify_area.y(),
 266                         _button_iconify_area.width(),
 267                         _button_iconify_area.height());
 268     if (_decorations & OBClient::Decor_Maximize)
 269       XMoveResizeWindow(otk::OBDisplay::display, _button_max,
 270                         _button_max_area.x(), _button_max_area.y(),
 271                         _button_max_area.width(),
 272                         _button_max_area.height());
 273     if (_decorations & OBClient::Decor_Sticky)
 274       XMoveResizeWindow(otk::OBDisplay::display, _button_stick,
 275                         _button_stick_area.x(), _button_stick_area.y(),
 276                         _button_stick_area.width(),
 277                         _button_stick_area.height());
 278     if (_decorations & OBClient::Decor_Close)
 279       XMoveResizeWindow(otk::OBDisplay::display, _button_close,
 280                         _button_close_area.x(), _button_close_area.y(),
 281                         _button_close_area.width(),
 282                         _button_close_area.height());
 283   }
 284
 285   if (_decorations & OBClient::Decor_Handle) {
 286     XMoveResizeWindow(otk::OBDisplay::display, _handle,
 287                       _handle_area.x(), _handle_area.y(),
 288                       _handle_area.width(), _handle_area.height());
 289     XMoveResizeWindow(otk::OBDisplay::display, _grip_left,
 290                       _grip_left_area.x(), _grip_left_area.y(),
 291                       _grip_left_area.width(), _grip_left_area.height());
 292     XMoveResizeWindow(otk::OBDisplay::display, _grip_right,
 293                       _grip_right_area.x(), _grip_right_area.y(),
 294                       _grip_right_area.width(), _grip_right_area.height());
 295   }
 296
 297   // map/unmap all the windows
 298   if (_decorations & OBClient::Decor_Titlebar) {
 299     XMapWindow(otk::OBDisplay::display, _label);
 300     if (_decorations & OBClient::Decor_Iconify)
 301       XMapWindow(otk::OBDisplay::display, _button_iconify);
 302     else
 303       XUnmapWindow(otk::OBDisplay::display, _button_iconify);
 304     if (_decorations & OBClient::Decor_Maximize)
 305       XMapWindow(otk::OBDisplay::display, _button_max);
 306     else
 307       XUnmapWindow(otk::OBDisplay::display, _button_max);
 308     if (_decorations & OBClient::Decor_Sticky)
 309       XMapWindow(otk::OBDisplay::display, _button_stick);
 310     else
 311       XUnmapWindow(otk::OBDisplay::display, _button_stick);
 312     if (_decorations & OBClient::Decor_Close)
 313       XMapWindow(otk::OBDisplay::display, _button_close);
 314     else
 315       XUnmapWindow(otk::OBDisplay::display, _button_close);
 316     XMapWindow(otk::OBDisplay::display, _titlebar);
 317   } else {
 318     XUnmapWindow(otk::OBDisplay::display, _titlebar);
 319     XUnmapWindow(otk::OBDisplay::display, _label);
 320     XUnmapWindow(otk::OBDisplay::display, _button_iconify);
 321     XUnmapWindow(otk::OBDisplay::display, _button_max);
 322     XUnmapWindow(otk::OBDisplay::display, _button_stick);
 323     XUnmapWindow(otk::OBDisplay::display, _button_close);
 324   }
 325
 326   if (_decorations & OBClient::Decor_Handle) {
 327     XMapWindow(otk::OBDisplay::display, _grip_left);
 328     XMapWindow(otk::OBDisplay::display, _grip_right);
 329     XMapWindow(otk::OBDisplay::display, _handle);
 330   } else {
 331     XUnmapWindow(otk::OBDisplay::display, _handle);
 332     XUnmapWindow(otk::OBDisplay::display, _grip_left);
 333     XUnmapWindow(otk::OBDisplay::display, _grip_right);
 334   }
 335
 336   // XXX: more is gunna have to happen here
 337
 338   updateShape();
 339 }
 340
 341
 342 void OBFrame::updateShape()
 343 {
 344 #ifdef SHAPE
 345   if (!_client->shaped()) {
 346     // clear the shape on the frame window
 347     XShapeCombineMask(otk::OBDisplay::display, _window, ShapeBounding,
 348                       _size.left,
 349                       _size.top,
 350                       None, ShapeSet);
 351   } else {
 352     // make the frame's shape match the clients
 353     XShapeCombineShape(otk::OBDisplay::display, _window, ShapeBounding,
 354                        _size.left,
 355                        _size.top,
 356                        _client->window(), ShapeBounding, ShapeSet);
 357
 358   int num = 0;
 359     XRectangle xrect[2];
 360
 361     /*
 362     if (decorations & Decor_Titlebar) {
 363     xrect[0].x = xrect[0].y = -frame.border_w;
 364     xrect[0].width = frame.rect.width();
 365     xrect[0].height = frame.title_h + (frame.border_w * 2);
 366     ++num;
 367     }
 368
 369     if (decorations & Decor_Handle) {
 370     xrect[1].x = -frame.border_w;
 371     xrect[1].y = frame.rect.height() - frame.margin.bottom +
 372     frame.mwm_border_w - frame.border_w;
 373     xrect[1].width = frame.rect.width();
 374     xrect[1].height = frame.handle_h + (frame.border_w * 2);
 375     ++num;
 376     }*/
 377
 378     XShapeCombineRectangles(otk::OBDisplay::display, _window,
 379                             ShapeBounding, 0, 0, xrect, num,
 380                             ShapeUnion, Unsorted);
 381   }
 382 #endif // SHAPE
 383 }
 384
 385
 386 void OBFrame::grabClient()
 387 {
 388
 389   XGrabServer(otk::OBDisplay::display);
 390
 391   // select the event mask on the frame
 392   XSelectInput(otk::OBDisplay::display, _window, SubstructureRedirectMask);
 393
 394   // reparent the client to the frame
 395   XSelectInput(otk::OBDisplay::display, _client->window(),
 396                OBClient::event_mask & ~StructureNotifyMask);
 397   XReparentWindow(otk::OBDisplay::display, _client->window(), _window, 0, 0);
 398   XSelectInput(otk::OBDisplay::display, _client->window(),
 399                OBClient::event_mask);
 400
 401   // raise the client above the frame
 402   XRaiseWindow(otk::OBDisplay::display, _client->window());
 403   // map the client so it maps when the frame does
 404   XMapWindow(otk::OBDisplay::display, _client->window());
 405
 406   XUngrabServer(otk::OBDisplay::display);
 407
 408   update();
 409 }
 410
 411
 412 void OBFrame::releaseClient(bool remap)
 413 {
 414   // check if the app has already reparented its window to the root window
 415   XEvent ev;
 416   if (XCheckTypedWindowEvent(otk::OBDisplay::display, _client->window(),
 417                              ReparentNotify, &ev)) {
 418     remap = true; // XXX: why do we remap the window if they already
 419                   // reparented to root?
 420   } else {
 421     // according to the ICCCM - if the client doesn't reparent to
 422     // root, then we have to do it for them
 423     XReparentWindow(otk::OBDisplay::display, _client->window(),
 424                     _screen->getRootWindow(),
 425                     _client->area().x(), _client->area().y());
 426   }
 427
 428   // if we want to remap the window, do so now
 429   if (remap)
 430     XMapWindow(otk::OBDisplay::display, _client->window());
 431 }
 432
 433
 434 Window OBFrame::createChild(Window parent, Cursor cursor)
 435 {
 436   XSetWindowAttributes attrib_create;
 437   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
 438
 439   attrib_create.background_pixmap = None;
 440   attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
 441                              ButtonMotionMask | ExposureMask;
 442
 443   if (cursor) {
 444     create_mask |= CWCursor;
 445     attrib_create.cursor = cursor;
 446   }
 447
 448   Window w = XCreateWindow(otk::OBDisplay::display, parent, 0, 0, 1, 1, 0,
 449                            _screen->getDepth(), InputOutput,
 450                            _screen->getVisual(), create_mask, &attrib_create);
 451   XRaiseWindow(otk::OBDisplay::display, w); // raise above the parent
 452   return w;
 453 }
 454
 455
 456 Window OBFrame::createFrame()
 457 {
 458   XSetWindowAttributes attrib_create;
 459   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWColormap |
 460                               CWOverrideRedirect | CWEventMask;
 461
 462   attrib_create.background_pixmap = None;
 463   attrib_create.colormap = _screen->getColormap();
 464   attrib_create.override_redirect = True;
 465   attrib_create.event_mask = EnterWindowMask | LeaveWindowMask | ButtonPress;
 466   /*
 467     We catch button presses because other wise they get passed down to the
 468     root window, which will then cause root menus to show when you click the
 469     window's frame.
 470   */
 471
 472   return XCreateWindow(otk::OBDisplay::display, _screen->getRootWindow(),
 473                        0, 0, 1, 1, 0,
 474                        _screen->getDepth(), InputOutput, _screen->getVisual(),
 475                        create_mask, &attrib_create);
 476 }
 477
 478 }