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/*****************************************************************************
* x11_loop.cpp
*****************************************************************************
* Copyright (C) 2003 the VideoLAN team
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
* Olivier Teulière <ipkiss@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef X11_SKINS
#include <X11/keysym.h>
#include "x11_loop.hpp"
#include "x11_display.hpp"
#include "x11_dragdrop.hpp"
#include "x11_factory.hpp"
#include "x11_timer.hpp"
#include "../src/generic_window.hpp"
#include "../src/theme.hpp"
#include "../src/window_manager.hpp"
#include "../events/evt_focus.hpp"
#include "../events/evt_key.hpp"
#include "../events/evt_mouse.hpp"
#include "../events/evt_motion.hpp"
#include "../events/evt_leave.hpp"
#include "../events/evt_refresh.hpp"
#include "../events/evt_scroll.hpp"
#include "../commands/async_queue.hpp"
#include "../utils/var_bool.hpp"
#include <vlc_actions.h>
// Maximum interval between clicks for a double-click (in microsec)
int X11Loop::m_dblClickDelay = 400000;
X11Loop::keymap_t X11Loop::m_keymap;
X11Loop::X11Loop( intf_thread_t *pIntf, X11Display &rDisplay ):
OSLoop( pIntf ), m_rDisplay( rDisplay ), m_exit( false ),
m_lastClickTime( 0 ), m_lastClickPosX( 0 ), m_lastClickPosY( 0 )
{
if(m_keymap.empty()) {
// Initialize the key map where VLC keys differ from X11 keys.
m_keymap[XK_F1] = KEY_F1;
m_keymap[XK_F2] = KEY_F2;
m_keymap[XK_F3] = KEY_F3;
m_keymap[XK_F4] = KEY_F4;
m_keymap[XK_F5] = KEY_F5;
m_keymap[XK_F6] = KEY_F6;
m_keymap[XK_F7] = KEY_F7;
m_keymap[XK_F8] = KEY_F8;
m_keymap[XK_F9] = KEY_F9;
m_keymap[XK_F10] = KEY_F10;
m_keymap[XK_F11] = KEY_F11;
m_keymap[XK_F12] = KEY_F12;
m_keymap[XK_Return] = KEY_ENTER;
m_keymap[XK_Escape] = KEY_ESC;
m_keymap[XK_Left] = KEY_LEFT;
m_keymap[XK_Right] = KEY_RIGHT;
m_keymap[XK_Up] = KEY_UP;
m_keymap[XK_Down] = KEY_DOWN;
m_keymap[XK_Home] = KEY_HOME;
m_keymap[XK_End] = KEY_END;
m_keymap[XK_Prior] = KEY_PAGEUP;
m_keymap[XK_Next] = KEY_PAGEDOWN;
m_keymap[XK_Delete] = KEY_DELETE;
m_keymap[XK_Insert] = KEY_INSERT;
}
}
X11Loop::~X11Loop()
{
}
OSLoop *X11Loop::instance( intf_thread_t *pIntf, X11Display &rDisplay )
{
if( pIntf->p_sys->p_osLoop == NULL )
{
OSLoop *pOsLoop = new X11Loop( pIntf, rDisplay );
pIntf->p_sys->p_osLoop = pOsLoop;
}
return pIntf->p_sys->p_osLoop;
}
void X11Loop::destroy( intf_thread_t *pIntf )
{
delete pIntf->p_sys->p_osLoop;
pIntf->p_sys->p_osLoop = NULL;
}
void X11Loop::run()
{
OSFactory *pOsFactory = OSFactory::instance( getIntf() );
X11TimerLoop *pTimerLoop = ((X11Factory*)pOsFactory)->getTimerLoop();
// Main event loop
while( ! m_exit )
{
int nPending;
// Number of pending events in the queue
nPending = XPending( XDISPLAY );
while( ! m_exit && nPending > 0 )
{
// Handle the next X11 event
handleX11Event();
// Number of pending events in the queue
nPending = XPending( XDISPLAY );
}
// Wait for the next timer and execute it
// The sleep is interrupted if an X11 event is received
if( !m_exit )
{
pTimerLoop->waitNextTimer();
}
}
}
void X11Loop::exit()
{
m_exit = true;
}
inline int X11Loop::X11ModToMod( unsigned state )
{
int mod = EvtInput::kModNone;
if( state & Mod1Mask )
mod |= EvtInput::kModAlt;
if( state & ControlMask )
mod |= EvtInput::kModCtrl;
if( state & ShiftMask )
mod |= EvtInput::kModShift;
return mod;
}
void X11Loop::handleX11Event()
{
XEvent event;
X11Factory *pFactory = (X11Factory*)OSFactory::instance( getIntf() );
// Look for the next event in the queue
XNextEvent( XDISPLAY, &event );
if( event.xany.window == m_rDisplay.getMainWindow() )
{
if( event.type == ClientMessage )
{
Atom wm_protocols =
XInternAtom( XDISPLAY, "WM_PROTOCOLS", False);
Atom wm_delete =
XInternAtom( XDISPLAY, "WM_DELETE_WINDOW", False);
if( event.xclient.message_type == wm_protocols &&
(Atom)event.xclient.data.l[0] == wm_delete )
{
msg_Dbg( getIntf(), "Received WM_DELETE_WINDOW message" );
libvlc_Quit( vlc_object_instance(getIntf()) );
}
}
return;
}
// Find the window to which the event is sent
GenericWindow *pWin = pFactory->m_windowMap[event.xany.window];
if( !pWin )
{
return;
}
// Send the right event object to the window
switch( event.type )
{
case Expose:
{
EvtRefresh evt( getIntf(), event.xexpose.x,
event.xexpose.y, event.xexpose.width,
event.xexpose.height );
pWin->processEvent( evt );
break;
}
case FocusIn:
{
EvtFocus evt( getIntf(), true );
pWin->processEvent( evt );
break;
}
case FocusOut:
{
EvtFocus evt( getIntf(), false );
pWin->processEvent( evt );
break;
}
case MotionNotify:
{
// Don't trust the position in the event, it is
// out of date. Get the actual current position instead
int x, y;
pFactory->getMousePos( x, y );
pFactory->setPointerWindow( event.xany.window );
EvtMotion evt( getIntf(), x, y );
pWin->processEvent( evt );
break;
}
case LeaveNotify:
{
EvtLeave evt( getIntf() );
pWin->processEvent( evt );
break;
}
case ButtonPress:
case ButtonRelease:
{
EvtMouse::ActionType_t action = EvtMouse::kDown;
switch( event.type )
{
case ButtonPress:
action = EvtMouse::kDown;
break;
case ButtonRelease:
action = EvtMouse::kUp;
break;
}
int mod = X11ModToMod( event.xbutton.state );
// Check for double clicks
if( event.type == ButtonPress &&
event.xbutton.button == 1 )
{
vlc_tick_t time = vlc_tick_now();
int x, y;
pFactory->getMousePos( x, y );
if( time - m_lastClickTime < m_dblClickDelay &&
x == m_lastClickPosX && y == m_lastClickPosY )
{
m_lastClickTime = 0;
action = EvtMouse::kDblClick;
}
else
{
m_lastClickTime = time;
m_lastClickPosX = x;
m_lastClickPosY = y;
}
}
switch( event.xbutton.button )
{
case 1:
{
EvtMouse evt( getIntf(), event.xbutton.x,
event.xbutton.y, EvtMouse::kLeft,
action, mod );
pWin->processEvent( evt );
break;
}
case 2:
{
EvtMouse evt( getIntf(), event.xbutton.x,
event.xbutton.y, EvtMouse::kMiddle,
action, mod );
pWin->processEvent( evt );
break;
}
case 3:
{
EvtMouse evt( getIntf(), event.xbutton.x,
event.xbutton.y, EvtMouse::kRight,
action, mod );
pWin->processEvent( evt );
break;
}
case 4:
{
// Scroll up
if( event.type == ButtonPress )
{
EvtScroll evt( getIntf(), event.xbutton.x,
event.xbutton.y, EvtScroll::kUp,
mod );
pWin->processEvent( evt );
}
break;
}
case 5:
{
// Scroll down
if( event.type == ButtonPress )
{
EvtScroll evt( getIntf(), event.xbutton.x,
event.xbutton.y, EvtScroll::kDown,
mod );
pWin->processEvent( evt );
}
break;
}
}
break;
}
case KeyPress:
case KeyRelease:
{
// Take the first keysym = lower case character, and translate.
int key = keysymToVlcKey( XLookupKeysym( &event.xkey, 0 ) );
EvtKey evt( getIntf(), key,
event.type==KeyRelease ? EvtKey::kUp : EvtKey::kDown,
X11ModToMod( event.xkey.state ) );
pWin->processEvent( evt );
break;
}
case ClientMessage:
{
// Get the message type
std::string type = XGetAtomName( XDISPLAY, event.xclient.message_type );
// Find the DnD object for this window
X11DragDrop *pDnd = pFactory->m_dndMap[event.xany.window];
if( !pDnd )
{
msg_Err( getIntf(), "no associated D&D object" );
return;
}
if( type == "XdndEnter" )
pDnd->dndEnter( event.xclient.data.l );
else if( type == "XdndPosition" )
pDnd->dndPosition( event.xclient.data.l );
else if( type == "XdndLeave" )
pDnd->dndLeave( event.xclient.data.l );
else if( type == "XdndDrop" )
pDnd->dndDrop( event.xclient.data.l );
break;
}
case SelectionNotify:
{
// Check XConvertSelection completion
if( event.xselection.property == None )
{
msg_Err( getIntf(), "Convertion failed for Drag&Drop" );
return;
}
// Find the DnD object for this window
X11DragDrop *pDnd = pFactory->m_dndMap[event.xselection.requestor];
if( !pDnd )
{
msg_Err( getIntf(), "no associated D&D object" );
return;
}
pDnd->dndSelectionNotify( );
}
}
}
#endif