/*****************************************************************************
* x11_window.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/Xatom.h>
#include "../src/generic_window.hpp"
#include "../src/vlcproc.hpp"
#include "../src/vout_manager.hpp"
#include "x11_window.hpp"
#include "x11_display.hpp"
#include "x11_graphics.hpp"
#include "x11_dragdrop.hpp"
#include "x11_factory.hpp"
#include <cassert>
#include <limits.h>
#include <new>
X11Window::X11Window( intf_thread_t *pIntf, GenericWindow &rWindow,
X11Display &rDisplay, bool dragDrop, bool playOnDrop,
X11Window *pParentWindow, GenericWindow::WindowType_t type ):
OSWindow( pIntf ), m_rDisplay( rDisplay ),
m_dragDrop( dragDrop ), m_pDropTarget( NULL ), m_type ( type )
{
XSetWindowAttributes attr;
unsigned long valuemask;
std::string name_type;
if( type == GenericWindow::FullscreenWindow )
{
m_wnd_parent = DefaultRootWindow( XDISPLAY );
int i_screen = DefaultScreen( XDISPLAY );
attr.event_mask = ExposureMask | StructureNotifyMask;
attr.background_pixel = BlackPixel( XDISPLAY, i_screen );
attr.backing_store = Always;
valuemask = CWBackingStore | CWBackPixel | CWEventMask;
if( NET_WM_STATE_FULLSCREEN == None )
{
attr.override_redirect = True;
valuemask = valuemask | CWOverrideRedirect;
}
name_type = "Fullscreen";
}
else if( type == GenericWindow::VoutWindow )
{
m_wnd_parent = pParentWindow->m_wnd;
int i_screen = DefaultScreen( XDISPLAY );
attr.event_mask = ExposureMask | StructureNotifyMask;
attr.backing_store = Always;
attr.background_pixel = BlackPixel( XDISPLAY, i_screen );
valuemask = CWBackingStore | CWBackPixel | CWEventMask;
name_type = "VoutWindow";
}
else if( type == GenericWindow::FscWindow )
{
m_wnd_parent = DefaultRootWindow( XDISPLAY );
attr.event_mask = ExposureMask | StructureNotifyMask;
valuemask = CWEventMask;
name_type = "FscWindow";
}
else
{
m_wnd_parent = DefaultRootWindow( XDISPLAY );
attr.event_mask = ExposureMask | StructureNotifyMask;
valuemask = CWEventMask;
name_type = "TopWindow";
}
// Create the window
m_wnd = XCreateWindow( XDISPLAY, m_wnd_parent, -10, 0, 10, 10, 0, 0,
InputOutput, CopyFromParent, valuemask, &attr );
// wait for X server to process the previous commands
XSync( XDISPLAY, false );
// Set the colormap for 8bpp mode
if( XPIXELSIZE == 1 )
{
XSetWindowColormap( XDISPLAY, m_wnd, m_rDisplay.getColormap() );
}
// Select events received by the window
long event_mask = ExposureMask|KeyPressMask|
PointerMotionMask|ButtonPressMask|ButtonReleaseMask|
LeaveWindowMask|FocusChangeMask|StructureNotifyMask;
XSelectInput( XDISPLAY, m_wnd, event_mask );
// 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;
signed 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( uint32_t ) );
// Drag & drop
if( m_dragDrop )
{
// Create a Dnd object for this window
m_pDropTarget = new X11DragDrop( getIntf(), m_rDisplay, m_wnd,
playOnDrop, &rWindow );
// Register the window as a drop target
Atom xdndAtom = XInternAtom( XDISPLAY, "XdndAware", False );
char xdndVersion = 5;
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
std::string name_window = "VLC (" + name_type + ")";
XStoreName( XDISPLAY, m_wnd, name_window.c_str() );
// Set the WM_TRANSIENT_FOR property
if( type == GenericWindow::FscWindow )
{
// Associate the fsc window to the fullscreen window
VoutManager* pVoutManager = VoutManager::instance( getIntf() );
GenericWindow* pGenericWin = pVoutManager->getVoutMainWindow();
X11Window *pWin = (X11Window*)pGenericWin->getOSWindow();
Window wnd = pWin->getDrawable();
XSetTransientForHint( XDISPLAY, m_wnd, wnd );
}
else
{
// Associate the regular top-level window to the offscren main window
XSetTransientForHint( XDISPLAY, m_wnd, m_rDisplay.getMainWindow() );
}
// initialize Class Hint
XClassHint classhint;
classhint.res_name = (char*) "vlc";
classhint.res_class = (char*) "Vlc";
XSetClassHint( XDISPLAY, m_wnd, &classhint );
// copies WM_HINTS from the main window
XWMHints *wm = XGetWMHints( XDISPLAY, m_rDisplay.getMainWindow() );
if( wm )
{
XSetWMHints( XDISPLAY, m_wnd, wm );
XFree( wm );
}
// initialize WM_CLIENT_MACHINE
char* hostname = NULL;
long host_name_max = sysconf( _SC_HOST_NAME_MAX );
if( host_name_max <= 0 )
host_name_max = _POSIX_HOST_NAME_MAX;
hostname = new (std::nothrow) char[host_name_max];
if( hostname && gethostname( hostname, host_name_max ) == 0 )
{
hostname[host_name_max - 1] = '\0';
XTextProperty textprop;
textprop.value = (unsigned char *) hostname;
textprop.encoding = XA_STRING;
textprop.format = 8;
textprop.nitems = strlen( hostname );
XSetWMClientMachine( XDISPLAY, m_wnd, &textprop);
}
delete[] hostname;
// initialize EWMH pid
pid_t pid = getpid();
assert( NET_WM_PID != None );
XChangeProperty( XDISPLAY, m_wnd, NET_WM_PID, XA_CARDINAL, 32,
PropModeReplace, (unsigned char *)&pid, 1 );
if( NET_WM_WINDOW_TYPE != None )
{
if( type == GenericWindow::FullscreenWindow )
{
// Some Window Managers like Gnome3 limit fullscreen to the
// subarea outside the task bar if no window type is provided.
// For those WMs, setting type window to normal ensures a clean
// 100% fullscreen
XChangeProperty( XDISPLAY, m_wnd, NET_WM_WINDOW_TYPE,
XA_ATOM, 32, PropModeReplace,
(unsigned char *)&NET_WM_WINDOW_TYPE_NORMAL, 1 );
}
}
}
X11Window::~X11Window()
{
X11Factory *pFactory = (X11Factory*)X11Factory::instance( getIntf() );
pFactory->m_windowMap[m_wnd] = NULL;
pFactory->m_dndMap[m_wnd] = NULL;
delete m_pDropTarget;
XDestroyWindow( XDISPLAY, m_wnd );
XSync( XDISPLAY, False );
}
void X11Window::reparent( OSWindow *win, int x, int y, int w, int h )
{
// Reparent the window
X11Window *parent = (X11Window*)win;
Window new_parent =
parent ? parent->m_wnd : DefaultRootWindow( XDISPLAY );
XReparentWindow( XDISPLAY, m_wnd, new_parent, x, y);
if( w && h )
XResizeWindow( XDISPLAY, m_wnd, w, h );
m_wnd_parent = new_parent;
}
void X11Window::show() const
{
// Map the window
if( m_type == GenericWindow::VoutWindow )
{
XLowerWindow( XDISPLAY, m_wnd );
XMapWindow( XDISPLAY, m_wnd );
}
else if( m_type == GenericWindow::FullscreenWindow )
{
XMapRaised( XDISPLAY, m_wnd );
setFullscreen();
toggleOnTop( true );
}
else if( m_type == GenericWindow::FscWindow )
{
XMapRaised( XDISPLAY, m_wnd );
toggleOnTop( true );
}
else
{
XMapRaised( XDISPLAY, m_wnd );
}
}
void X11Window::hide() const
{
// Unmap the window
XUnmapWindow( XDISPLAY, m_wnd );
}
void X11Window::moveResize( int left, int top, int width, int height ) const
{
if( width && height )
XMoveResizeWindow( XDISPLAY, m_wnd, left, top, width, height );
else
XMoveWindow( XDISPLAY, m_wnd, left, top );
}
void X11Window::raise() const
{
XRaiseWindow( XDISPLAY, m_wnd );
}
void X11Window::setOpacity( uint8_t value ) const
{
if( NET_WM_WINDOW_OPACITY == None )
return;
if( 255==value )
XDeleteProperty(XDISPLAY, m_wnd, NET_WM_WINDOW_OPACITY);
else
{
uint32_t opacity = value * ((uint32_t)-1/255);
XChangeProperty(XDISPLAY, m_wnd, NET_WM_WINDOW_OPACITY, XA_CARDINAL, 32,
PropModeReplace, (unsigned char *) &opacity, 1L);
}
XSync( XDISPLAY, False );
}
void X11Window::setFullscreen( ) const
{
if( NET_WM_STATE_FULLSCREEN != None )
{
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 ] = 1;
event.data.l[ 1 ] = NET_WM_STATE_FULLSCREEN;
XSendEvent( XDISPLAY,
DefaultRootWindow( XDISPLAY ),
False, SubstructureNotifyMask|SubstructureRedirectMask,
(XEvent*)&event );
}
}
void X11Window::toggleOnTop( bool onTop ) const
{
if( NET_WM_STAYS_ON_TOP != None )
{
/* 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_STAYS_ON_TOP;
XSendEvent( XDISPLAY, DefaultRootWindow( XDISPLAY ),
False, SubstructureNotifyMask|SubstructureRedirectMask, (XEvent*)&event );
}
else if( NET_WM_STATE_ABOVE != None )
{
/* Switch "above" state */
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_ABOVE;
XSendEvent( XDISPLAY, DefaultRootWindow( XDISPLAY ),
False, SubstructureNotifyMask|SubstructureRedirectMask, (XEvent*)&event );
}
}
bool X11Window::invalidateRect( int x, int y, int w, int h ) const
{
XClearArea( XDISPLAY, m_wnd, x, y, w, h, True );
return true;
}
#endif
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-11-04)
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