xref: /AOO41X/main/vcl/unx/gtk/window/gtkobject.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)

/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"

#include <unx/gtk/gtkobject.hxx>
#include <unx/gtk/gtkframe.hxx>
#include <unx/gtk/gtkdata.hxx>
#include <unx/gtk/gtkinst.hxx>

GtkSalObject::GtkSalObject( GtkSalFrame* pParent, sal_Bool bShow )
        : m_pSocket( NULL ),
          m_pRegion( NULL )
{
    if( pParent )
    {
        // our plug window
        m_pSocket = gtk_drawing_area_new();
        Show( bShow );
        // insert into container
        gtk_fixed_put( pParent->getFixedContainer(),
                       m_pSocket,
                       0, 0 );
        // realize so we can get a window id
        gtk_widget_realize( m_pSocket );


        // make it transparent; some plugins may not insert
        // their own window here but use the socket window itself
        gtk_widget_set_app_paintable( m_pSocket, TRUE );

        //system data
        SalDisplay* pDisp = GetX11SalData()->GetDisplay();
        m_aSystemData.nSize 		= sizeof( SystemChildData );
        m_aSystemData.pDisplay		= pDisp->GetDisplay();
        m_aSystemData.aWindow		= GDK_WINDOW_XWINDOW(m_pSocket->window);
        m_aSystemData.pSalFrame		= NULL;
        m_aSystemData.pWidget		= m_pSocket;
        m_aSystemData.pVisual		= pDisp->GetVisual(pParent->getScreenNumber()).GetVisual();
        m_aSystemData.nScreen		= pParent->getScreenNumber();
        m_aSystemData.nDepth		= pDisp->GetVisual(pParent->getScreenNumber()).GetDepth();
        m_aSystemData.aColormap		= pDisp->GetColormap(pParent->getScreenNumber()).GetXColormap();
        m_aSystemData.pAppContext	= NULL;
        m_aSystemData.aShellWindow	= GDK_WINDOW_XWINDOW(GTK_WIDGET(pParent->getWindow())->window);
        m_aSystemData.pShellWidget	= GTK_WIDGET(pParent->getWindow());

        g_signal_connect( G_OBJECT(m_pSocket), "button-press-event", G_CALLBACK(signalButton), this );
        g_signal_connect( G_OBJECT(m_pSocket), "button-release-event", G_CALLBACK(signalButton), this );
        g_signal_connect( G_OBJECT(m_pSocket), "focus-in-event", G_CALLBACK(signalFocus), this );
        g_signal_connect( G_OBJECT(m_pSocket), "focus-out-event", G_CALLBACK(signalFocus), this );
        g_signal_connect( G_OBJECT(m_pSocket), "destroy", G_CALLBACK(signalDestroy), this );

        // #i59255# necessary due to sync effects with java child windows
        pParent->Sync();
    }
}

GtkSalObject::~GtkSalObject()
{
    if( m_pRegion )
        gdk_region_destroy( m_pRegion );
    if( m_pSocket )
    {
        // remove socket from parent frame's fixed container
        gtk_container_remove( GTK_CONTAINER(gtk_widget_get_parent(m_pSocket)),
                              m_pSocket );
        // get rid of the socket
        // actually the gtk_container_remove should let the ref count
        // of the socket sink to 0 and destroy it (see signalDestroy)
        // this is just a sanity check
        if( m_pSocket )
            gtk_widget_destroy( m_pSocket );
    }
}

void GtkSalObject::ResetClipRegion()
{
    if( m_pSocket )
        gdk_window_shape_combine_region( m_pSocket->window, NULL, 0, 0 );
}

sal_uInt16 GtkSalObject::GetClipRegionType()
{
    return SAL_OBJECT_CLIP_INCLUDERECTS;
}

void GtkSalObject::BeginSetClipRegion( sal_uLong )
{
    if( m_pRegion )
        gdk_region_destroy( m_pRegion );
    m_pRegion = gdk_region_new();
}

void GtkSalObject::UnionClipRegion( long nX, long nY, long nWidth, long nHeight )
{
    GdkRectangle aRect;
    aRect.x			= nX;
    aRect.y			= nY;
    aRect.width		= nWidth;
    aRect.height	= nHeight;

    gdk_region_union_with_rect( m_pRegion, &aRect );
}

void GtkSalObject::EndSetClipRegion()
{
    if( m_pSocket )
        gdk_window_shape_combine_region( m_pSocket->window, m_pRegion, 0, 0 );
}

void GtkSalObject::SetPosSize( long nX, long nY, long nWidth, long nHeight )
{
    if( m_pSocket )
    {
        GtkFixed* pContainer = GTK_FIXED(gtk_widget_get_parent(m_pSocket));
        gtk_fixed_move( pContainer, m_pSocket, nX, nY );
        gtk_widget_set_size_request( m_pSocket, nWidth, nHeight );
        gtk_container_resize_children( GTK_CONTAINER(pContainer) );
    }
}

void GtkSalObject::Show( sal_Bool bVisible )
{
    if( m_pSocket )
    {
        if( bVisible )
            gtk_widget_show( m_pSocket );
        else
            gtk_widget_hide( m_pSocket );
    }
}

void GtkSalObject::Enable( sal_Bool )
{
}

void GtkSalObject::GrabFocus()
{
}

void GtkSalObject::SetBackground()
{
}

void GtkSalObject::SetBackground( SalColor )
{
}

const SystemEnvData* GtkSalObject::GetSystemData() const
{
    return &m_aSystemData;
}


gboolean GtkSalObject::signalButton( GtkWidget*, GdkEventButton* pEvent, gpointer object )
{
    GtkSalObject* pThis = (GtkSalObject*)object;

    if( pEvent->type == GDK_BUTTON_PRESS )
    {
        GTK_YIELD_GRAB();
        pThis->CallCallback( SALOBJ_EVENT_TOTOP, NULL );
    }

    return FALSE;
}

gboolean GtkSalObject::signalFocus( GtkWidget*, GdkEventFocus* pEvent, gpointer object )
{
    GtkSalObject* pThis = (GtkSalObject*)object;

    GTK_YIELD_GRAB();

    pThis->CallCallback( pEvent->in ? SALOBJ_EVENT_GETFOCUS : SALOBJ_EVENT_LOSEFOCUS, NULL );

    return FALSE;
}

void GtkSalObject::signalDestroy( GtkObject* pObj, gpointer object )
{
    GtkSalObject* pThis = (GtkSalObject*)object;
    if( GTK_WIDGET(pObj) == pThis->m_pSocket )
    {
        pThis->m_pSocket = NULL;
    }
}

void GtkSalObject::InterceptChildWindowKeyDown( sal_Bool /*bIntercept*/ )
{
}