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     // the size of the label. this ASSUMES the layout has only buttons other
 188     // that the ONE LABEL!!
 189     // adds an extra sep so that there's a space on either side of the
 190     // titlebar.. note: x = sep, below.
 191     _label_area.setWidth(_label_area.width() -
 192                          ((_button_iconify_area.width() + sep) *
 193                           (layout.size() - 1) + sep));
 194
 195     int x = sep;
 196     for (int i = 0, len = layout.size(); i < len; ++i) {
 197       otk::Rect *area;
 198       switch (layout[i]) {
 199       case 'I':
 200         if (!(_decorations & OBClient::Decor_Iconify))
 201           continue; // skip it
 202         area = &_button_iconify_area;
 203         break;
 204       case 'L':
 205         area = &_label_area;
 206         break;
 207       case 'M':
 208         if (!(_decorations & OBClient::Decor_Maximize))
 209           continue; // skip it
 210         area = &_button_max_area;
 211         break;
 212       case 'S':
 213         if (!(_decorations & OBClient::Decor_Sticky))
 214           continue; // skip it
 215         area = &_button_stick_area;
 216         break;
 217       case 'C':
 218         if (!(_decorations & OBClient::Decor_Close))
 219           continue; // skip it
 220         area = &_button_close_area;
 221         break;
 222       default:
 223         assert(false); // the layout string is invalid!
 224         continue; // just to fuck with g++
 225       }
 226       area->setX(x);
 227       x += sep + area->width();
 228     }
 229   }
 230
 231   if (_decorations & OBClient::Decor_Handle) {
 232     _handle_area.setRect(-_style->getBorderWidth(),
 233                          _size.top + _client->area().height() +
 234                          _style->getFrameWidth(),
 235                          width, _style->getHandleWidth());
 236     _grip_left_area.setRect(-_style->getBorderWidth(),
 237                             -_style->getBorderWidth(),
 238                             // XXX: get a Point class in otk and use that for
 239                             // the 'buttons size' since theyre all the same
 240                             _button_iconify_area.width() * 2,
 241                             _handle_area.height());
 242     _grip_right_area.setRect(((_handle_area.right() + 1) -
 243                               _button_iconify_area.width() * 2),
 244                              -_style->getBorderWidth(),
 245                              // XXX: get a Point class in otk and use that for
 246                              // the 'buttons size' since theyre all the same
 247                              _button_iconify_area.width() * 2,
 248                              _handle_area.height());
 249     _size.bottom += _handle_area.height() + _style->getBorderWidth();
 250   }
 251
 252
 253   // position/size all the windows
 254
 255   XResizeWindow(otk::OBDisplay::display, _window,
 256                 _size.left + _size.right + _client->area().width(),
 257                 _size.top + _size.bottom + _client->area().height());
 258
 259   XMoveWindow(otk::OBDisplay::display, _client->window(),
 260               _size.left, _size.top);
 261
 262   if (_decorations & OBClient::Decor_Titlebar) {
 263     XMoveResizeWindow(otk::OBDisplay::display, _titlebar,
 264                       _titlebar_area.x(), _titlebar_area.y(),
 265                       _titlebar_area.width(), _titlebar_area.height());
 266     XMoveResizeWindow(otk::OBDisplay::display, _label,
 267                       _label_area.x(), _label_area.y(),
 268                       _label_area.width(), _label_area.height());
 269     if (_decorations & OBClient::Decor_Iconify)
 270       XMoveResizeWindow(otk::OBDisplay::display, _button_iconify,
 271                         _button_iconify_area.x(), _button_iconify_area.y(),
 272                         _button_iconify_area.width(),
 273                         _button_iconify_area.height());
 274     if (_decorations & OBClient::Decor_Maximize)
 275       XMoveResizeWindow(otk::OBDisplay::display, _button_max,
 276                         _button_max_area.x(), _button_max_area.y(),
 277                         _button_max_area.width(),
 278                         _button_max_area.height());
 279     if (_decorations & OBClient::Decor_Sticky)
 280       XMoveResizeWindow(otk::OBDisplay::display, _button_stick,
 281                         _button_stick_area.x(), _button_stick_area.y(),
 282                         _button_stick_area.width(),
 283                         _button_stick_area.height());
 284     if (_decorations & OBClient::Decor_Close)
 285       XMoveResizeWindow(otk::OBDisplay::display, _button_close,
 286                         _button_close_area.x(), _button_close_area.y(),
 287                         _button_close_area.width(),
 288                         _button_close_area.height());
 289   }
 290
 291   if (_decorations & OBClient::Decor_Handle) {
 292     XMoveResizeWindow(otk::OBDisplay::display, _handle,
 293                       _handle_area.x(), _handle_area.y(),
 294                       _handle_area.width(), _handle_area.height());
 295     XMoveResizeWindow(otk::OBDisplay::display, _grip_left,
 296                       _grip_left_area.x(), _grip_left_area.y(),
 297                       _grip_left_area.width(), _grip_left_area.height());
 298     XMoveResizeWindow(otk::OBDisplay::display, _grip_right,
 299                       _grip_right_area.x(), _grip_right_area.y(),
 300                       _grip_right_area.width(), _grip_right_area.height());
 301   }
 302
 303   // map/unmap all the windows
 304   if (_decorations & OBClient::Decor_Titlebar) {
 305     XMapWindow(otk::OBDisplay::display, _label);
 306     if (_decorations & OBClient::Decor_Iconify)
 307       XMapWindow(otk::OBDisplay::display, _button_iconify);
 308     else
 309       XUnmapWindow(otk::OBDisplay::display, _button_iconify);
 310     if (_decorations & OBClient::Decor_Maximize)
 311       XMapWindow(otk::OBDisplay::display, _button_max);
 312     else
 313       XUnmapWindow(otk::OBDisplay::display, _button_max);
 314     if (_decorations & OBClient::Decor_Sticky)
 315       XMapWindow(otk::OBDisplay::display, _button_stick);
 316     else
 317       XUnmapWindow(otk::OBDisplay::display, _button_stick);
 318     if (_decorations & OBClient::Decor_Close)
 319       XMapWindow(otk::OBDisplay::display, _button_close);
 320     else
 321       XUnmapWindow(otk::OBDisplay::display, _button_close);
 322     XMapWindow(otk::OBDisplay::display, _titlebar);
 323   } else {
 324     XUnmapWindow(otk::OBDisplay::display, _titlebar);
 325     XUnmapWindow(otk::OBDisplay::display, _label);
 326     XUnmapWindow(otk::OBDisplay::display, _button_iconify);
 327     XUnmapWindow(otk::OBDisplay::display, _button_max);
 328     XUnmapWindow(otk::OBDisplay::display, _button_stick);
 329     XUnmapWindow(otk::OBDisplay::display, _button_close);
 330   }
 331
 332   if (_decorations & OBClient::Decor_Handle) {
 333     XMapWindow(otk::OBDisplay::display, _grip_left);
 334     XMapWindow(otk::OBDisplay::display, _grip_right);
 335     XMapWindow(otk::OBDisplay::display, _handle);
 336   } else {
 337     XUnmapWindow(otk::OBDisplay::display, _handle);
 338     XUnmapWindow(otk::OBDisplay::display, _grip_left);
 339     XUnmapWindow(otk::OBDisplay::display, _grip_right);
 340   }
 341
 342   // XXX: more is gunna have to happen here
 343
 344   updateShape();
 345 }
 346
 347
 348 void OBFrame::updateShape()
 349 {
 350 #ifdef SHAPE
 351   if (!_client->shaped()) {
 352     // clear the shape on the frame window
 353     XShapeCombineMask(otk::OBDisplay::display, _window, ShapeBounding,
 354                       _size.left,
 355                       _size.top,
 356                       None, ShapeSet);
 357   } else {
 358     // make the frame's shape match the clients
 359     XShapeCombineShape(otk::OBDisplay::display, _window, ShapeBounding,
 360                        _size.left,
 361                        _size.top,
 362                        _client->window(), ShapeBounding, ShapeSet);
 363
 364   int num = 0;
 365     XRectangle xrect[2];
 366
 367     /*
 368     if (decorations & Decor_Titlebar) {
 369     xrect[0].x = xrect[0].y = -frame.border_w;
 370     xrect[0].width = frame.rect.width();
 371     xrect[0].height = frame.title_h + (frame.border_w * 2);
 372     ++num;
 373     }
 374
 375     if (decorations & Decor_Handle) {
 376     xrect[1].x = -frame.border_w;
 377     xrect[1].y = frame.rect.height() - frame.margin.bottom +
 378     frame.mwm_border_w - frame.border_w;
 379     xrect[1].width = frame.rect.width();
 380     xrect[1].height = frame.handle_h + (frame.border_w * 2);
 381     ++num;
 382     }*/
 383
 384     XShapeCombineRectangles(otk::OBDisplay::display, _window,
 385                             ShapeBounding, 0, 0, xrect, num,
 386                             ShapeUnion, Unsorted);
 387   }
 388 #endif // SHAPE
 389 }
 390
 391
 392 void OBFrame::grabClient()
 393 {
 394
 395   XGrabServer(otk::OBDisplay::display);
 396
 397   // select the event mask on the frame
 398   XSelectInput(otk::OBDisplay::display, _window, SubstructureRedirectMask);
 399
 400   // reparent the client to the frame
 401   XSelectInput(otk::OBDisplay::display, _client->window(),
 402                OBClient::event_mask & ~StructureNotifyMask);
 403   XReparentWindow(otk::OBDisplay::display, _client->window(), _window, 0, 0);
 404   XSelectInput(otk::OBDisplay::display, _client->window(),
 405                OBClient::event_mask);
 406
 407   // raise the client above the frame
 408   //XRaiseWindow(otk::OBDisplay::display, _client->window());
 409   // map the client so it maps when the frame does
 410   XMapWindow(otk::OBDisplay::display, _client->window());
 411
 412   XUngrabServer(otk::OBDisplay::display);
 413
 414   update();
 415 }
 416
 417
 418 void OBFrame::releaseClient(bool remap)
 419 {
 420   // check if the app has already reparented its window to the root window
 421   XEvent ev;
 422   if (XCheckTypedWindowEvent(otk::OBDisplay::display, _client->window(),
 423                              ReparentNotify, &ev)) {
 424     remap = true; // XXX: why do we remap the window if they already
 425                   // reparented to root?
 426   } else {
 427     // according to the ICCCM - if the client doesn't reparent to
 428     // root, then we have to do it for them
 429     XReparentWindow(otk::OBDisplay::display, _client->window(),
 430                     _screen->getRootWindow(),
 431                     _client->area().x(), _client->area().y());
 432   }
 433
 434   // if we want to remap the window, do so now
 435   if (remap)
 436     XMapWindow(otk::OBDisplay::display, _client->window());
 437 }
 438
 439
 440 Window OBFrame::createChild(Window parent, Cursor cursor)
 441 {
 442   XSetWindowAttributes attrib_create;
 443   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
 444
 445   attrib_create.background_pixmap = None;
 446   attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
 447                              ButtonMotionMask | ExposureMask;
 448
 449   if (cursor) {
 450     create_mask |= CWCursor;
 451     attrib_create.cursor = cursor;
 452   }
 453
 454   Window w = XCreateWindow(otk::OBDisplay::display, parent, 0, 0, 1, 1, 0,
 455                            _screen->getDepth(), InputOutput,
 456                            _screen->getVisual(), create_mask, &attrib_create);
 457   return w;
 458 }
 459
 460
 461 Window OBFrame::createFrame()
 462 {
 463   XSetWindowAttributes attrib_create;
 464   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWColormap |
 465                               CWOverrideRedirect | CWEventMask;
 466
 467   attrib_create.background_pixmap = None;
 468   attrib_create.colormap = _screen->getColormap();
 469   attrib_create.override_redirect = True;
 470   attrib_create.event_mask = EnterWindowMask | LeaveWindowMask | ButtonPress;
 471   /*
 472     We catch button presses because other wise they get passed down to the
 473     root window, which will then cause root menus to show when you click the
 474     window's frame.
 475   */
 476
 477   return XCreateWindow(otk::OBDisplay::display, _screen->getRootWindow(),
 478                        0, 0, 1, 1, 0,
 479                        _screen->getDepth(), InputOutput, _screen->getVisual(),
 480                        create_mask, &attrib_create);
 481 }
 482
 483 }