x11_window.cpp

来自「VLC媒体播放程序」· C++ 代码 · 共 621 行 · 第 1/2 页

        case ButtonPress:
            // Raise all the windows
            for( list<SkinWindow *>::const_iterator win = 
                    p_intf->p_sys->p_theme->WindowList.begin();
                    win != p_intf->p_sys->p_theme->WindowList.end(); win++ )
            {
                Window id = ( (X11Window *)(*win) )->GetHandle();
                // the current window is raised last
                if( id != Wnd )
                {
                    XLOCK;
                    XRaiseWindow( display, id );
                    XUNLOCK;
                }
            }
            XLOCK;
            XRaiseWindow( display, Wnd );
            XUNLOCK;
            
            button = 0;
            if( ((XButtonEvent *)p2 )->state & ControlMask )
            {
                button |= KEY_CTRL;
            } 
            if( ((XButtonEvent *)p2 )->state & ShiftMask )
            {
                button |= KEY_SHIFT;
            }

            switch( ( (XButtonEvent *)p2 )->button )
            {
                case 1:
                    // Left button
                    button |= MOUSE_LEFT;
                    time = OSAPI_GetTime();
                    OSAPI_GetMousePos( posX, posY );
                    if( time - ClickedTime < DblClickDelay && 
                        posX == ClickedX && posY == ClickedY )
                    {
                        // Double-click
                        ClickedTime = 0; 
                        MouseDblClick( (int)( (XButtonEvent *)p2 )->x,
                                       (int)( (XButtonEvent *)p2 )->y, button );
                    }
                    else
                    {
                        ClickedTime = time;
                        ClickedX = posX;
                        ClickedY = posY;
                        LButtonDown = true;
                        MouseDown( (int)( (XButtonEvent *)p2 )->x,
                                   (int)( (XButtonEvent *)p2 )->y, button );
                    }
                    break;

                case 3:
                    // Right button
                    button |= MOUSE_RIGHT;
                    RButtonDown = true;
                    MouseDown( (int)( (XButtonEvent *)p2 )->x,
                               (int)( (XButtonEvent *)p2 )->y, button );
                    break;

                default:
                    break;
            }
            return true;

        case ButtonRelease:
            button = 0;
            if( ((XButtonEvent *)p2 )->state & ControlMask )
            {
                button |= KEY_CTRL;
            }
            if( ((XButtonEvent *)p2 )->state & ShiftMask )
            {
                button |= KEY_SHIFT;
            }

            switch( ( (XButtonEvent *)p2 )->button )
            {
                case 1:
                    // Left button
                    button |= MOUSE_LEFT;
                    LButtonDown = false;
                    MouseUp( (int)( (XButtonEvent *)p2 )->x,
                             (int)( (XButtonEvent *)p2 )->y, button );
                    break;

                case 3:
                    button |= MOUSE_RIGHT;
                    // Right button
                    RButtonDown = false;
                    MouseUp( (int)( (XButtonEvent *)p2 )->x,
                             (int)( (XButtonEvent *)p2 )->y, button );
                    break; 

                case 4:
                    // Scroll up
                    MouseScroll( (int)( (XButtonEvent *)p2 )->x,
                                 (int)( (XButtonEvent *)p2 )->y,
                                 MOUSE_SCROLL_UP);
                    break;
 
                case 5:
                    // Scroll down
                    MouseScroll( (int)( (XButtonEvent *)p2 )->x,
                                 (int)( (XButtonEvent *)p2 )->y,
                                 MOUSE_SCROLL_DOWN);
                    break;

                default:
                    break;
            }
            return true;

        case LeaveNotify:
            OSAPI_PostMessage( this, WINDOW_LEAVE, 0, 0 );
            return true;

        case ClientMessage:
            XLOCK;
            type = XGetAtomName( display, ( (XClientMessageEvent*)
                                             p2 )->message_type );
            XUNLOCK;
            if( type == "XdndEnter" )
            {
                DropObject->DndEnter( ((XClientMessageEvent*)p2)->data.l );
                return true;
            }
            else if( type == "XdndPosition" )
            {
                DropObject->DndPosition( ((XClientMessageEvent*)p2)->data.l );
                return true;
            }
            else if( type == "XdndLeave" )
            {
                DropObject->DndLeave( ((XClientMessageEvent*)p2)->data.l );
                return true;
            }
            else if( type == "XdndDrop" )
            {
                DropObject->DndDrop( ((XClientMessageEvent*)p2)->data.l );
                return true;
            }
            return false;
            
        default:
            return false;
    }
}
//---------------------------------------------------------------------------
void X11Window::SetTransparency( int Value )
{
/*    if( Value > -1 )
        Alpha = Value;
    SetLayeredWindowAttributes( hWnd, 0, Alpha, LWA_ALPHA | LWA_COLORKEY );
    UpdateWindow( hWnd );*/
}
//---------------------------------------------------------------------------
void X11Window::RefreshFromImage( int x, int y, int w, int h )
{
    Drawable drawable = (( X11Graphics* )Image )->GetImage();

    XLOCK;
    XCopyArea( display, drawable, Wnd, Gc, x, y, w, h, x, y );
    XSync( display, 0);
    XUNLOCK;
}
//---------------------------------------------------------------------------
void X11Window::WindowManualMove()
{
    // Get mouse cursor position
    int x, y;
    OSAPI_GetMousePos( x, y );

    // Move window and chek for magnetism
    p_intf->p_sys->p_theme->MoveSkinMagnet( this,
        WindowX + x - CursorX, WindowY + y - CursorY );

}
//---------------------------------------------------------------------------
void X11Window::WindowManualMoveInit()
{
    OSAPI_GetMousePos( CursorX, CursorY );
    WindowX = Left;
    WindowY = Top;
}
//---------------------------------------------------------------------------
void X11Window::Move( int left, int top )
{
    Left = left;
    Top  = top;
    XMoveWindow( display, Wnd, left, top );
}
//---------------------------------------------------------------------------
void X11Window::Size( int width, int height )
{
    Width  = width;
    Height = height;
    XResizeWindow( display, Wnd, width, height );
}
//---------------------------------------------------------------------------


bool ToolTipCallback( void *data )
{
    int direction, fontAscent, fontDescent;

    Display *disp = ((tooltip_t*)data)->display;
    Window win = ((tooltip_t*)data)->window;
    Font font = ((tooltip_t*)data)->font;
    GC gc = ((tooltip_t*)data)->gc;
    string text = ((tooltip_t*)data)->text;
    int curX = ((tooltip_t*)data)->curX;
    int curY = ((tooltip_t*)data)->curY;
 
    XLOCK;
    XClearWindow( disp, win );
    XCharStruct overall;
    XQueryTextExtents( disp, font, text.c_str(), text.size(), &direction, 
                       &fontAscent, &fontDescent, &overall );
    int w = overall.rbearing - overall.lbearing;
    int h = overall.ascent + overall.descent;
    XMapRaised( disp, win );
    XMoveWindow( disp, win, curX - w/4, curY + 20 );
    XResizeWindow( disp, win, w+8, h+8 );
    XDrawString( disp, win, gc, 4, overall.ascent+4, text.c_str(), 
                 text.size() );
    XSync( disp, 0 );
    ((tooltip_t*)data)->active = True;
    XUNLOCK;
    
    return False;
}



void DrawToolTipText( tooltip_t *tooltip )
{
    int direction, fontAscent, fontDescent;

    Display *disp = tooltip->display;
    Window win = tooltip->window;
    Font font = tooltip->font;
    GC gc = tooltip->gc;
    string text = tooltip->text;
    int curX = tooltip->curX;
    int curY = tooltip->curY;
 
    XLOCK;
    XClearWindow( disp, win );
    XCharStruct overall;
    XQueryTextExtents( disp, font, text.c_str(), text.size(), &direction, 
                       &fontAscent, &fontDescent, &overall );
    int w = overall.rbearing - overall.lbearing;
    int h = overall.ascent + overall.descent;
    XMoveWindow( disp, win, curX - w/4, curY + 20 );
    XResizeWindow( disp, win, w+8, h+8 );
    XDrawString( disp, win, gc, 4, overall.ascent+4, text.c_str(), 
                 text.size() );
    XSync( disp, 0 );
    XUNLOCK;
}


void X11Window::ChangeToolTipText( string text )
{
    if( text == "none" )
    {
        if( ToolTipText != "none" )
        {
            ToolTipText = "none";
            XLOCK;
            // Hide the tooltip window
            X11TimerManager *timerManager = X11TimerManager::Instance( p_intf );
            timerManager->removeTimer( ToolTip.timer );
            XUnmapWindow( display, ToolTip.window );
            XResizeWindow( display, ToolTip.window, 1, 1 );
            XSync( display, 0 );
            ToolTip.active = False;
            XUNLOCK;
        }
    }
    else
    {
        if( text != ToolTipText )
        {
            ToolTipText = text;
            ToolTip.text = text;
            if( !ToolTip.active )
            {
                // Create the tooltip
                OSAPI_GetMousePos( ToolTip.curX, ToolTip.curY );
                X11TimerManager *timerManager = X11TimerManager::Instance( p_intf );
                timerManager->addTimer( ToolTip.timer );
            }
            else
            {
                // Refresh the tooltip
                DrawToolTipText( &ToolTip );
            }
        }
    }
}
//---------------------------------------------------------------------------

#endif