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