git.sesse.net Git - vlc/blob - modules/gui/skins2/x11/x11_loop.cpp

   1 /*****************************************************************************
   2  * x11_loop.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 <X11/keysym.h>
  28 #include "x11_loop.hpp"
  29 #include "x11_display.hpp"
  30 #include "x11_dragdrop.hpp"
  31 #include "x11_factory.hpp"
  32 #include "x11_timer.hpp"
  33 #include "../src/generic_window.hpp"
  34 #include "../src/theme.hpp"
  35 #include "../src/window_manager.hpp"
  36 #include "../events/evt_focus.hpp"
  37 #include "../events/evt_key.hpp"
  38 #include "../events/evt_mouse.hpp"
  39 #include "../events/evt_motion.hpp"
  40 #include "../events/evt_leave.hpp"
  41 #include "../events/evt_refresh.hpp"
  42 #include "../events/evt_scroll.hpp"
  43 #include "../commands/async_queue.hpp"
  44 #include "../utils/var_bool.hpp"
  45 #include "vlc_keys.h"
  46
  47
  48 // Maximum interval between clicks for a double-click (in microsec)
  49 int X11Loop::m_dblClickDelay = 400000;
  50
  51
  52 X11Loop::X11Loop( intf_thread_t *pIntf, X11Display &rDisplay ):
  53     OSLoop( pIntf ), m_rDisplay( rDisplay ), m_exit( false ),
  54     m_lastClickTime( 0 ), m_lastClickPosX( 0 ), m_lastClickPosY( 0 )
  55 {
  56     // Initialize the key map
  57     keysymToVlcKey[XK_F1] = KEY_F1;
  58     keysymToVlcKey[XK_F2] = KEY_F2;
  59     keysymToVlcKey[XK_F3] = KEY_F3;
  60     keysymToVlcKey[XK_F4] = KEY_F4;
  61     keysymToVlcKey[XK_F5] = KEY_F5;
  62     keysymToVlcKey[XK_F6] = KEY_F6;
  63     keysymToVlcKey[XK_F7] = KEY_F7;
  64     keysymToVlcKey[XK_F8] = KEY_F8;
  65     keysymToVlcKey[XK_F9] = KEY_F9;
  66     keysymToVlcKey[XK_F10] = KEY_F10;
  67     keysymToVlcKey[XK_F11] = KEY_F11;
  68     keysymToVlcKey[XK_F12] = KEY_F12;
  69     keysymToVlcKey[XK_Return] = KEY_ENTER;
  70     keysymToVlcKey[XK_space] = KEY_SPACE;
  71     keysymToVlcKey[XK_Escape] = KEY_ESC;
  72     keysymToVlcKey[XK_Left] = KEY_LEFT;
  73     keysymToVlcKey[XK_Right] = KEY_RIGHT;
  74     keysymToVlcKey[XK_Up] = KEY_UP;
  75     keysymToVlcKey[XK_Down] = KEY_DOWN;
  76     keysymToVlcKey[XK_Home] = KEY_HOME;
  77     keysymToVlcKey[XK_End] = KEY_END;
  78     keysymToVlcKey[XK_Prior] = KEY_PAGEUP;
  79     keysymToVlcKey[XK_Next] = KEY_PAGEDOWN;
  80     keysymToVlcKey[XK_Delete] = KEY_DELETE;
  81     keysymToVlcKey[XK_Insert] = KEY_INSERT;
  82 }
  83
  84
  85 X11Loop::~X11Loop()
  86 {
  87 }
  88
  89
  90 OSLoop *X11Loop::instance( intf_thread_t *pIntf, X11Display &rDisplay )
  91 {
  92     if( pIntf->p_sys->p_osLoop == NULL )
  93     {
  94         OSLoop *pOsLoop = new X11Loop( pIntf, rDisplay );
  95         pIntf->p_sys->p_osLoop = pOsLoop;
  96     }
  97     return pIntf->p_sys->p_osLoop;
  98 }
  99
 100
 101 void X11Loop::destroy( intf_thread_t *pIntf )
 102 {
 103     delete pIntf->p_sys->p_osLoop;
 104     pIntf->p_sys->p_osLoop = NULL;
 105 }
 106
 107
 108 void X11Loop::run()
 109 {
 110     OSFactory *pOsFactory = OSFactory::instance( getIntf() );
 111     X11TimerLoop *pTimerLoop = ((X11Factory*)pOsFactory)->getTimerLoop();
 112
 113     // Main event loop
 114     while( ! m_exit )
 115     {
 116         int nPending;
 117
 118         // Number of pending events in the queue
 119         nPending = XPending( XDISPLAY );
 120
 121         while( ! m_exit && nPending > 0 )
 122         {
 123             // Handle the next X11 event
 124             handleX11Event();
 125
 126             // Number of pending events in the queue
 127             nPending = XPending( XDISPLAY );
 128         }
 129
 130         // Wait for the next timer and execute it
 131         // The sleep is interrupted if an X11 event is received
 132         if( !m_exit )
 133         {
 134             pTimerLoop->waitNextTimer();
 135         }
 136     }
 137 }
 138
 139
 140 void X11Loop::exit()
 141 {
 142     m_exit = true;
 143 }
 144
 145
 146 void X11Loop::handleX11Event()
 147 {
 148     XEvent event;
 149     OSFactory *pOsFactory = OSFactory::instance( getIntf() );
 150
 151     // Look for the next event in the queue
 152     XNextEvent( XDISPLAY, &event );
 153
 154     if( event.xany.window == m_rDisplay.getMainWindow() )
 155     {
 156         if( event.type == MapNotify )
 157         {
 158             // When the "parent" window is mapped, show all the visible
 159             // windows, as it is not automatic, unfortunately
 160             Theme *pTheme = getIntf()->p_sys->p_theme;
 161             if( pTheme )
 162             {
 163                 pTheme->getWindowManager().synchVisibility();
 164             }
 165         }
 166         return;
 167     }
 168
 169     // Find the window to which the event is sent
 170     GenericWindow *pWin =
 171         ((X11Factory*)pOsFactory)->m_windowMap[event.xany.window];
 172
 173     if( !pWin )
 174     {
 175         return;
 176     }
 177
 178     // Send the right event object to the window
 179     switch( event.type )
 180     {
 181         case Expose:
 182         {
 183             EvtRefresh evt( getIntf(), event.xexpose.x,
 184                             event.xexpose.y, event.xexpose.width,
 185                             event.xexpose.height );
 186             pWin->processEvent( evt );
 187             break;
 188         }
 189         case FocusIn:
 190         {
 191             EvtFocus evt( getIntf(), true );
 192             pWin->processEvent( evt );
 193             break;
 194         }
 195         case FocusOut:
 196         {
 197             EvtFocus evt( getIntf(), false );
 198             pWin->processEvent( evt );
 199             break;
 200         }
 201
 202         case MotionNotify:
 203         {
 204             // Don't trust the position in the event, it is
 205             // out of date. Get the actual current position instead
 206             int x, y;
 207             pOsFactory->getMousePos( x, y );
 208             EvtMotion evt( getIntf(), x, y );
 209             pWin->processEvent( evt );
 210             break;
 211         }
 212         case LeaveNotify:
 213         {
 214             EvtLeave evt( getIntf() );
 215             pWin->processEvent( evt );
 216             break;
 217         }
 218         case ButtonPress:
 219         case ButtonRelease:
 220         {
 221             EvtMouse::ActionType_t action = EvtMouse::kDown;
 222             switch( event.type )
 223             {
 224                 case ButtonPress:
 225                     action = EvtMouse::kDown;
 226                     break;
 227                 case ButtonRelease:
 228                     action = EvtMouse::kUp;
 229                     break;
 230             }
 231
 232             // Get the modifiers
 233             int mod = EvtInput::kModNone;
 234             if( event.xbutton.state & Mod1Mask )
 235             {
 236                 mod |= EvtInput::kModAlt;
 237             }
 238             if( event.xbutton.state & ControlMask )
 239             {
 240                 mod |= EvtInput::kModCtrl;
 241             }
 242             if( event.xbutton.state & ShiftMask )
 243             {
 244                 mod |= EvtInput::kModShift;
 245             }
 246
 247             // Check for double clicks
 248             if( event.type == ButtonPress &&
 249                 event.xbutton.button == 1 )
 250             {
 251                 mtime_t time = mdate();
 252                 int x, y;
 253                 pOsFactory->getMousePos( x, y );
 254                 if( time - m_lastClickTime < m_dblClickDelay &&
 255                     x == m_lastClickPosX && y == m_lastClickPosY )
 256                 {
 257                     m_lastClickTime = 0;
 258                     action = EvtMouse::kDblClick;
 259                 }
 260                 else
 261                 {
 262                     m_lastClickTime = time;
 263                     m_lastClickPosX = x;
 264                     m_lastClickPosY = y;
 265                 }
 266             }
 267
 268             switch( event.xbutton.button )
 269             {
 270                 case 1:
 271                 {
 272                     EvtMouse evt( getIntf(), event.xbutton.x,
 273                                   event.xbutton.y, EvtMouse::kLeft,
 274                                   action, mod );
 275                     pWin->processEvent( evt );
 276                     break;
 277                 }
 278                 case 2:
 279                 {
 280                     EvtMouse evt( getIntf(), event.xbutton.x,
 281                                   event.xbutton.y, EvtMouse::kMiddle,
 282                                   action, mod );
 283                     pWin->processEvent( evt );
 284                     break;
 285                 }
 286                 case 3:
 287                 {
 288                     EvtMouse evt( getIntf(), event.xbutton.x,
 289                                   event.xbutton.y, EvtMouse::kRight,
 290                                   action, mod );
 291                     pWin->processEvent( evt );
 292                     break;
 293                 }
 294                 case 4:
 295                 {
 296                     // Scroll up
 297                     EvtScroll evt( getIntf(), event.xbutton.x,
 298                                    event.xbutton.y, EvtScroll::kUp,
 299                                    mod );
 300                     pWin->processEvent( evt );
 301                     break;
 302                 }
 303                 case 5:
 304                 {
 305                     // Scroll down
 306                     EvtScroll evt( getIntf(), event.xbutton.x,
 307                                    event.xbutton.y, EvtScroll::kDown,
 308                                    mod );
 309                     pWin->processEvent( evt );
 310                     break;
 311                 }
 312             }
 313             break;
 314         }
 315         case KeyPress:
 316         case KeyRelease:
 317         {
 318             EvtKey::ActionType_t action = EvtKey::kDown;
 319             int mod = EvtInput::kModNone;
 320             // Get the modifiers
 321             if( event.xkey.state & Mod1Mask )
 322             {
 323                 mod |= EvtInput::kModAlt;
 324             }
 325             if( event.xkey.state & ControlMask )
 326             {
 327                 mod |= EvtInput::kModCtrl;
 328             }
 329             if( event.xkey.state & ShiftMask )
 330             {
 331                 mod |= EvtInput::kModShift;
 332             }
 333
 334             // Take the first keysym = lower case character
 335             KeySym keysym = XLookupKeysym( &event.xkey, 0 );
 336
 337             // Get VLC key code from the keysym
 338             int key = keysymToVlcKey[keysym];
 339             if( !key )
 340             {
 341                 // Normal key
 342                 key = keysym;
 343             }
 344
 345             switch( event.type )
 346             {
 347                 case KeyPress:
 348                     action = EvtKey::kDown;
 349                     break;
 350                 case KeyRelease:
 351                     action = EvtKey::kUp;
 352                     break;
 353             }
 354             EvtKey evt( getIntf(), key, action, mod );
 355             pWin->processEvent( evt );
 356             break;
 357         }
 358
 359         case ClientMessage:
 360         {
 361             // Get the message type
 362             string type = XGetAtomName( XDISPLAY, event.xclient.message_type );
 363
 364             // Find the DnD object for this window
 365             X11DragDrop *pDnd =
 366                 ((X11Factory*)pOsFactory)->m_dndMap[event.xany.window];
 367             if( !pDnd )
 368             {
 369                 msg_Err( getIntf(), "no associated D&D object" );
 370                 return;
 371             }
 372
 373             if( type == "XdndEnter" )
 374             {
 375                 pDnd->dndEnter( event.xclient.data.l );
 376             }
 377             else if( type == "XdndPosition" )
 378             {
 379                 pDnd->dndPosition( event.xclient.data.l );
 380             }
 381             else if( type == "XdndLeave" )
 382             {
 383                 pDnd->dndLeave( event.xclient.data.l );
 384             }
 385             else if( type == "XdndDrop" )
 386             {
 387                 pDnd->dndDrop( event.xclient.data.l );
 388             }
 389             break;
 390         }
 391     }
 392 }
 393
 394 #endif