modules/gui/skins2/x11/x11_factory.cpp

   1 /*****************************************************************************
   2  * x11_factory.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
   8  *          Olivier Teulière <ipkiss@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef X11_SKINS
  26
  27 #include <unistd.h>
  28 #include <dirent.h>
  29 #include <sys/stat.h>
  30 #include <X11/Xlib.h>
  31 #include <X11/extensions/Xinerama.h>
  32
  33 #include "x11_factory.hpp"
  34 #include "x11_display.hpp"
  35 #include "x11_graphics.hpp"
  36 #include "x11_loop.hpp"
  37 #include "x11_popup.hpp"
  38 #include "x11_timer.hpp"
  39 #include "x11_window.hpp"
  40 #include "x11_tooltip.hpp"
  41
  42 #include "../src/generic_window.hpp"
  43
  44 #include <vlc_common.h>
  45 #include <vlc_xlib.h>
  46
  47 X11Factory::X11Factory( intf_thread_t *pIntf ): OSFactory( pIntf ),
  48     m_pDisplay( NULL ), m_pTimerLoop( NULL ), m_dirSep( "/" )
  49 {
  50     // see init()
  51 }
  52
  53
  54 X11Factory::~X11Factory()
  55 {
  56     delete m_pTimerLoop;
  57     delete m_pDisplay;
  58 }
  59
  60
  61 bool X11Factory::init()
  62 {
  63     // make sure xlib is safe-thread
  64     if( !vlc_xlib_init( VLC_OBJECT( getIntf() ) ) )
  65     {
  66         msg_Err( getIntf(), "initializing xlib for multi-threading failed" );
  67         return false;
  68     }
  69
  70     // Create the X11 display
  71     m_pDisplay = new X11Display( getIntf() );
  72
  73     // Get the display
  74     Display *pDisplay = m_pDisplay->getDisplay();
  75     if( pDisplay == NULL )
  76     {
  77         // Initialization failed
  78         return false;
  79     }
  80
  81     // Create the timer loop
  82     m_pTimerLoop = new X11TimerLoop( getIntf(),
  83                                      ConnectionNumber( pDisplay ) );
  84
  85     // Initialize the resource path
  86     char *datadir = config_GetUserDir( VLC_DATA_DIR );
  87     m_resourcePath.push_back( (string)datadir + "/skins2" );
  88     free( datadir );
  89     m_resourcePath.push_back( (string)"share/skins2" );
  90     datadir = config_GetDataDir( getIntf() );
  91     m_resourcePath.push_back( (string)datadir + "/skins2" );
  92     free( datadir );
  93
  94     // Determine the monitor geometry
  95     getDefaultGeometry( &m_screenWidth, &m_screenHeight );
  96
  97     return true;
  98 }
  99
 100
 101 OSGraphics *X11Factory::createOSGraphics( int width, int height )
 102 {
 103     return new X11Graphics( getIntf(), *m_pDisplay, width, height );
 104 }
 105
 106
 107 OSLoop *X11Factory::getOSLoop()
 108 {
 109     return X11Loop::instance( getIntf(), *m_pDisplay );
 110 }
 111
 112
 113 void X11Factory::destroyOSLoop()
 114 {
 115     X11Loop::destroy( getIntf() );
 116 }
 117
 118 void X11Factory::minimize()
 119 {
 120     XIconifyWindow( m_pDisplay->getDisplay(), m_pDisplay->getMainWindow(),
 121                     DefaultScreen( m_pDisplay->getDisplay() ) );
 122 }
 123
 124 void X11Factory::restore()
 125 {
 126     // TODO
 127 }
 128
 129 void X11Factory::addInTray()
 130 {
 131     // TODO
 132 }
 133
 134 void X11Factory::removeFromTray()
 135 {
 136     // TODO
 137 }
 138
 139 void X11Factory::addInTaskBar()
 140 {
 141     // TODO
 142 }
 143
 144 void X11Factory::removeFromTaskBar()
 145 {
 146     // TODO
 147 }
 148
 149 OSTimer *X11Factory::createOSTimer( CmdGeneric &rCmd )
 150 {
 151     return new X11Timer( getIntf(), rCmd );
 152 }
 153
 154
 155 OSWindow *X11Factory::createOSWindow( GenericWindow &rWindow, bool dragDrop,
 156                                       bool playOnDrop, OSWindow *pParent,
 157                                       GenericWindow::WindowType_t type )
 158 {
 159     return new X11Window( getIntf(), rWindow, *m_pDisplay, dragDrop,
 160                           playOnDrop, (X11Window*)pParent, type );
 161 }
 162
 163
 164 OSTooltip *X11Factory::createOSTooltip()
 165 {
 166     return new X11Tooltip( getIntf(), *m_pDisplay );
 167 }
 168
 169
 170 OSPopup *X11Factory::createOSPopup()
 171 {
 172     return new X11Popup( getIntf(), *m_pDisplay );
 173 }
 174
 175
 176 int X11Factory::getScreenWidth() const
 177 {
 178     return m_screenWidth;
 179 }
 180
 181
 182 int X11Factory::getScreenHeight() const
 183 {
 184     return m_screenHeight;
 185 }
 186
 187
 188 void X11Factory::getMonitorInfo( const GenericWindow &rWindow,
 189                                  int* p_x, int* p_y,
 190                                  int* p_width, int* p_height ) const
 191 {
 192     // initialize to default geometry
 193     *p_x = 0;
 194     *p_y = 0;
 195     *p_width = getScreenWidth();
 196     *p_height = getScreenHeight();
 197
 198     // Use Xinerama to determine the monitor where the video
 199     // mostly resides (biggest surface)
 200     Display *pDisplay = m_pDisplay->getDisplay();
 201     Window wnd = (Window)rWindow.getOSHandle();
 202     Window root = DefaultRootWindow( pDisplay );
 203     Window child_wnd;
 204
 205     int x, y;
 206     unsigned int w, h, border, depth;
 207     XGetGeometry( pDisplay, wnd, &root, &x, &y, &w, &h, &border, &depth );
 208     XTranslateCoordinates( pDisplay, wnd, root, 0, 0, &x, &y, &child_wnd );
 209
 210     int num;
 211     XineramaScreenInfo* info = XineramaQueryScreens( pDisplay, &num );
 212     if( info )
 213     {
 214         Region reg1 = XCreateRegion();
 215         XRectangle rect1 = { x, y, w, h };
 216         XUnionRectWithRegion( &rect1, reg1, reg1 );
 217
 218         unsigned int surface = 0;
 219         for( int i = 0; i < num; i++ )
 220         {
 221             Region reg2 = XCreateRegion();
 222             XRectangle rect2 = { info[i].x_org, info[i].y_org,
 223                                  info[i].width, info[i].height };
 224             XUnionRectWithRegion( &rect2, reg2, reg2 );
 225
 226             Region reg = XCreateRegion();
 227             XIntersectRegion( reg1, reg2, reg );
 228             XRectangle rect;
 229             XClipBox( reg, &rect );
 230             unsigned int surf = rect.width * rect.height;
 231             if( surf > surface )
 232             {
 233                surface = surf;
 234                *p_x = info[i].x_org;
 235                *p_y = info[i].y_org;
 236                *p_width = info[i].width;
 237                *p_height = info[i].height;
 238             }
 239             XDestroyRegion( reg );
 240             XDestroyRegion( reg2 );
 241         }
 242         XDestroyRegion( reg1 );
 243         XFree( info );
 244     }
 245 }
 246
 247
 248 void X11Factory::getMonitorInfo( int numScreen,
 249                                  int* p_x, int* p_y,
 250                                  int* p_width, int* p_height ) const
 251 {
 252     // initialize to default geometry
 253     *p_x = 0;
 254     *p_y = 0;
 255     *p_width = getScreenWidth();
 256     *p_height = getScreenHeight();
 257
 258     // try to detect the requested screen via Xinerama
 259     if( numScreen >= 0 )
 260     {
 261         int num;
 262         Display *pDisplay = m_pDisplay->getDisplay();
 263         XineramaScreenInfo* info = XineramaQueryScreens( pDisplay, &num );
 264         if( info )
 265         {
 266             if( numScreen < num )
 267             {
 268                 *p_x = info[numScreen].x_org;
 269                 *p_y = info[numScreen].y_org;
 270                 *p_width = info[numScreen].width;
 271                 *p_height = info[numScreen].height;
 272             }
 273             XFree( info );
 274         }
 275     }
 276 }
 277
 278
 279 void X11Factory::getDefaultGeometry( int* p_width, int* p_height ) const
 280 {
 281     Display *pDisplay = m_pDisplay->getDisplay();
 282
 283     // Initialize to defaults
 284     int screen = DefaultScreen( pDisplay );
 285     *p_width = DisplayWidth( pDisplay, screen );
 286     *p_height = DisplayHeight( pDisplay, screen );
 287
 288     // Use Xinerama to restrain to the first monitor instead of the full
 289     // virtual screen
 290     int num;
 291     XineramaScreenInfo* info = XineramaQueryScreens( pDisplay, &num );
 292     if( info )
 293     {
 294         for( int i = 0; i < num; i++ )
 295         {
 296             if( info[i].x_org == 0 && info[i].y_org == 0 )
 297             {
 298                 *p_width = info[i].width;
 299                 *p_height = info[i].height;
 300                 break;
 301             }
 302         }
 303         XFree( info );
 304     }
 305 }
 306
 307
 308 SkinsRect X11Factory::getWorkArea() const
 309 {
 310     // XXX
 311     return SkinsRect( 0, 0, getScreenWidth(), getScreenHeight() );
 312 }
 313
 314
 315 void X11Factory::getMousePos( int &rXPos, int &rYPos ) const
 316 {
 317     Window rootReturn, childReturn;
 318     int winx, winy;
 319     unsigned int xmask;
 320
 321     Display *pDisplay = m_pDisplay->getDisplay();
 322     Window root = DefaultRootWindow( pDisplay );
 323     XQueryPointer( pDisplay, root, &rootReturn, &childReturn,
 324                    &rXPos, &rYPos, &winx, &winy, &xmask );
 325 }
 326
 327
 328 void X11Factory::rmDir( const string &rPath )
 329 {
 330     struct dirent *file;
 331     DIR *dir;
 332     char *entry;
 333     dir = opendir( rPath.c_str() );
 334     if( !dir ) return;
 335
 336     // Parse the directory and remove everything it contains
 337     while( ( entry = vlc_readdir( dir ) ) != NULL )
 338     {
 339         struct stat statbuf;
 340         string filename( entry );
 341
 342         // Skip "." and ".."
 343         if( filename == "." || filename == ".." )
 344         {
 345             continue;
 346         }
 347
 348         filename = rPath + "/" + filename;
 349
 350         if( !stat( filename.c_str(), &statbuf ) && statbuf.st_mode & S_IFDIR )
 351         {
 352             rmDir( filename );
 353         }
 354         else
 355         {
 356             unlink( filename.c_str() );
 357         }
 358     }
 359
 360     // Close the directory
 361     closedir( dir );
 362
 363     // And delete it
 364     rmdir( rPath.c_str() );
 365 }
 366
 367 #endif