x11_window.cpp
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上传日期:2009-03-27
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- /*****************************************************************************
- * x11_window.cpp
- *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: x11_window.cpp 8391 2004-08-06 17:28:36Z sam $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teuli鑢e <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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #ifdef X11_SKINS
- #include <X11/Xatom.h>
- #include "../src/generic_window.hpp"
- #include "../src/vlcproc.hpp"
- #include "x11_window.hpp"
- #include "x11_display.hpp"
- #include "x11_graphics.hpp"
- #include "x11_dragdrop.hpp"
- #include "x11_factory.hpp"
- X11Window::X11Window( intf_thread_t *pIntf, GenericWindow &rWindow,
- X11Display &rDisplay, bool dragDrop, bool playOnDrop,
- X11Window *pParentWindow ):
- OSWindow( pIntf ), m_rDisplay( rDisplay ), m_pParent( pParentWindow ),
- m_dragDrop( dragDrop )
- {
- Window parent;
- if (pParentWindow)
- {
- parent = pParentWindow->m_wnd;
- }
- else
- {
- parent = DefaultRootWindow( XDISPLAY );
- }
- XSetWindowAttributes attr;
- // Create the window
- m_wnd = XCreateWindow( XDISPLAY, parent, 0, 0, 1, 1, 0, 0,
- InputOutput, CopyFromParent, 0, &attr );
- // Set the colormap for 8bpp mode
- if( XPIXELSIZE == 1 )
- {
- XSetWindowColormap( XDISPLAY, m_wnd, m_rDisplay.getColormap() );
- }
- // Select events received by the window
- XSelectInput( XDISPLAY, m_wnd, ExposureMask|KeyPressMask|
- PointerMotionMask|ButtonPressMask|ButtonReleaseMask|
- LeaveWindowMask|FocusChangeMask );
- // Store a pointer on the generic window in a map
- X11Factory *pFactory = (X11Factory*)X11Factory::instance( getIntf() );
- pFactory->m_windowMap[m_wnd] = &rWindow;
- // Changing decorations
- struct {
- unsigned long flags;
- unsigned long functions;
- unsigned long decorations;
- long input_mode;
- unsigned long status;
- } motifWmHints;
- Atom hints_atom = XInternAtom( XDISPLAY, "_MOTIF_WM_HINTS", False );
- motifWmHints.flags = 2; // MWM_HINTS_DECORATIONS;
- motifWmHints.decorations = 0;
- XChangeProperty( XDISPLAY, m_wnd, hints_atom, hints_atom, 32,
- PropModeReplace, (unsigned char *)&motifWmHints,
- sizeof( motifWmHints ) / sizeof( long ) );
- // Drag & drop
- if( m_dragDrop )
- {
- // Create a Dnd object for this window
- m_pDropTarget = new X11DragDrop( getIntf(), m_rDisplay, m_wnd,
- playOnDrop );
- // Register the window as a drop target
- Atom xdndAtom = XInternAtom( XDISPLAY, "XdndAware", False );
- char xdndVersion = 4;
- XChangeProperty( XDISPLAY, m_wnd, xdndAtom, XA_ATOM, 32,
- PropModeReplace, (unsigned char *)&xdndVersion, 1 );
- // Store a pointer to be used in X11Loop
- pFactory->m_dndMap[m_wnd] = m_pDropTarget;
- }
- // Change the window title
- XStoreName( XDISPLAY, m_wnd, "VLC" );
- // Associate the window to the main "parent" window
- XSetTransientForHint( XDISPLAY, m_wnd, m_rDisplay.getMainWindow() );
- // XXX Set this window as the vout
- if( m_pParent )
- {
- VlcProc::instance( getIntf() )->setVoutWindow( (void*)m_wnd );
- }
- }
- X11Window::~X11Window()
- {
- // XXX This window is no more the vout
- if( m_pParent )
- {
- VlcProc::instance( getIntf() )->setVoutWindow( NULL );
- }
- X11Factory *pFactory = (X11Factory*)X11Factory::instance( getIntf() );
- pFactory->m_windowMap[m_wnd] = NULL;
- pFactory->m_dndMap[m_wnd] = NULL;
- if( m_dragDrop )
- {
- delete m_pDropTarget;
- }
- XDestroyWindow( XDISPLAY, m_wnd );
- XSync( XDISPLAY, False );
- }
- void X11Window::show( int left, int top ) const
- {
- // Map the window
- XMapRaised( XDISPLAY, m_wnd );
- XMoveWindow( XDISPLAY, m_wnd, left, top );
- }
- void X11Window::hide() const
- {
- // Unmap the window
- XUnmapWindow( XDISPLAY, m_wnd );
- }
- void X11Window::moveResize( int left, int top, int width, int height ) const
- {
- XMoveResizeWindow( XDISPLAY, m_wnd, left, top, width, height );
- }
- void X11Window::raise() const
- {
- XRaiseWindow( XDISPLAY, m_wnd );
- }
- void X11Window::setOpacity( uint8_t value ) const
- {
- // Sorry, the opacity cannot be changed :)
- }
- void X11Window::toggleOnTop( bool onTop ) const
- {
- int i_ret, i_format;
- unsigned long i, i_items, i_bytesafter;
- Atom net_wm_supported, net_wm_state, net_wm_state_on_top;
- union { Atom *p_atom; unsigned char *p_char; } p_args;
- p_args.p_atom = NULL;
- net_wm_supported = XInternAtom( XDISPLAY, "_NET_SUPPORTED", False );
- i_ret = XGetWindowProperty( XDISPLAY, DefaultRootWindow( XDISPLAY ),
- net_wm_supported,
- 0, 16384, False, AnyPropertyType,
- &net_wm_supported,
- &i_format, &i_items, &i_bytesafter,
- (unsigned char **)&p_args );
- if( i_ret != Success || i_items == 0 ) return; /* Not supported */
- net_wm_state = XInternAtom( XDISPLAY, "_NET_WM_STATE", False );
- net_wm_state_on_top = XInternAtom( XDISPLAY, "_NET_WM_STATE_STAYS_ON_TOP",
- False );
- for( i = 0; i < i_items; i++ )
- {
- if( p_args.p_atom[i] == net_wm_state_on_top ) break;
- }
- XFree( p_args.p_atom );
- if( i == i_items ) return; /* Not supported */
- /* Switch "on top" status */
- XClientMessageEvent event;
- memset( &event, 0, sizeof( XClientMessageEvent ) );
- event.type = ClientMessage;
- event.message_type = net_wm_state;
- event.display = XDISPLAY;
- event.window = m_wnd;
- event.format = 32;
- event.data.l[ 0 ] = onTop; /* set property */
- event.data.l[ 1 ] = net_wm_state_on_top;
- XSendEvent( XDISPLAY, DefaultRootWindow( XDISPLAY ),
- False, SubstructureRedirectMask, (XEvent*)&event );
- }
- #endif