vcl/unx/gtk/window/gtkobject.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifdef AIX
  21 #define _LINUX_SOURCE_COMPAT
  22 #include <sys/timer.h>
  23 #undef _LINUX_SOURCE_COMPAT
  24 #endif
  25
  26 #include <unx/gtk/gtkobject.hxx>
  27 #include <unx/gtk/gtkframe.hxx>
  28 #include <unx/gtk/gtkdata.hxx>
  29 #include <unx/gtk/gtkinst.hxx>
  30 #include <unx/gtk/gtkgdi.hxx>
  31
  32 GtkSalObject::GtkSalObject( GtkSalFrame* pParent, bool bShow )
  33         : m_pSocket( NULL ),
  34           m_pRegion( NULL )
  35 {
  36     if( pParent )
  37     {
  38         // our plug window
  39         m_pSocket = gtk_drawing_area_new();
  40         Show( bShow );
  41         // insert into container
  42         gtk_fixed_put( pParent->getFixedContainer(),
  43                        m_pSocket,
  44                        0, 0 );
  45         // realize so we can get a window id
  46         gtk_widget_realize( m_pSocket );
  47
  48         // make it transparent; some plugins may not insert
  49         // their own window here but use the socket window itself
  50         gtk_widget_set_app_paintable( m_pSocket, TRUE );
  51
  52         // system data
  53         m_aSystemData.nSize         = sizeof( SystemEnvData );
  54 #if !GTK_CHECK_VERSION(3,0,0)
  55         SalDisplay* pDisp = vcl_sal::getSalDisplay(GetGenericData());
  56         m_aSystemData.pDisplay      = pDisp->GetDisplay();
  57         m_aSystemData.pVisual       = pDisp->GetVisual(pParent->getXScreenNumber()).GetVisual();
  58         m_aSystemData.nDepth        = pDisp->GetVisual(pParent->getXScreenNumber()).GetDepth();
  59         m_aSystemData.aColormap     = pDisp->GetColormap(pParent->getXScreenNumber()).GetXColormap();
  60         m_aSystemData.aWindow       = GDK_WINDOW_XWINDOW(widget_get_window(m_pSocket));
  61         m_aSystemData.aShellWindow  = GDK_WINDOW_XWINDOW(widget_get_window(GTK_WIDGET(pParent->getWindow())));
  62 #else
  63         static int nWindow = 0;
  64         m_aSystemData.aWindow       = nWindow;
  65         m_aSystemData.aShellWindow  = pParent->GetSystemData()->aWindow;
  66         ++nWindow;
  67 #endif
  68         m_aSystemData.pSalFrame     = NULL;
  69         m_aSystemData.pWidget       = m_pSocket;
  70         m_aSystemData.nScreen       = pParent->getXScreenNumber().getXScreen();
  71         m_aSystemData.pAppContext   = NULL;
  72         m_aSystemData.pShellWidget  = GTK_WIDGET(pParent->getWindow());
  73
  74         g_signal_connect( G_OBJECT(m_pSocket), "button-press-event", G_CALLBACK(signalButton), this );
  75         g_signal_connect( G_OBJECT(m_pSocket), "button-release-event", G_CALLBACK(signalButton), this );
  76         g_signal_connect( G_OBJECT(m_pSocket), "focus-in-event", G_CALLBACK(signalFocus), this );
  77         g_signal_connect( G_OBJECT(m_pSocket), "focus-out-event", G_CALLBACK(signalFocus), this );
  78         g_signal_connect( G_OBJECT(m_pSocket), "destroy", G_CALLBACK(signalDestroy), this );
  79
  80         // #i59255# necessary due to sync effects with java child windows
  81         pParent->Sync();
  82     }
  83 }
  84
  85 GtkSalObject::~GtkSalObject()
  86 {
  87     if( m_pRegion )
  88     {
  89 #if GTK_CHECK_VERSION(3,0,0)
  90         cairo_region_destroy( m_pRegion );
  91 #else
  92         gdk_region_destroy( m_pRegion );
  93 #endif
  94     }
  95     if( m_pSocket )
  96     {
  97         // remove socket from parent frame's fixed container
  98         gtk_container_remove( GTK_CONTAINER(gtk_widget_get_parent(m_pSocket)),
  99                               m_pSocket );
 100         // get rid of the socket
 101         // actually the gtk_container_remove should let the ref count
 102         // of the socket sink to 0 and destroy it (see signalDestroy)
 103         // this is just a sanity check
 104         if( m_pSocket )
 105             gtk_widget_destroy( m_pSocket );
 106     }
 107 }
 108
 109 void GtkSalObject::ResetClipRegion()
 110 {
 111     if( m_pSocket )
 112         gdk_window_shape_combine_region( widget_get_window(m_pSocket), NULL, 0, 0 );
 113 }
 114
 115 sal_uInt16 GtkSalObject::GetClipRegionType()
 116 {
 117     return SAL_OBJECT_CLIP_INCLUDERECTS;
 118 }
 119
 120 void GtkSalObject::BeginSetClipRegion( sal_uLong )
 121 {
 122 #if GTK_CHECK_VERSION(3,0,0)
 123     if( m_pRegion )
 124         cairo_region_destroy( m_pRegion );
 125     m_pRegion = cairo_region_create();
 126 #else
 127     if( m_pRegion )
 128         gdk_region_destroy( m_pRegion );
 129     m_pRegion = gdk_region_new();
 130 #endif
 131 }
 132
 133 void GtkSalObject::UnionClipRegion( long nX, long nY, long nWidth, long nHeight )
 134 {
 135     GdkRectangle aRect;
 136     aRect.x         = nX;
 137     aRect.y         = nY;
 138     aRect.width     = nWidth;
 139     aRect.height    = nHeight;
 140
 141 #if GTK_CHECK_VERSION(3,0,0)
 142     cairo_region_union_rectangle( m_pRegion, &aRect );
 143 #else
 144     gdk_region_union_with_rect( m_pRegion, &aRect );
 145 #endif
 146 }
 147
 148 void GtkSalObject::EndSetClipRegion()
 149 {
 150     if( m_pSocket )
 151         gdk_window_shape_combine_region( widget_get_window(m_pSocket), m_pRegion, 0, 0 );
 152 }
 153
 154 void GtkSalObject::SetPosSize( long nX, long nY, long nWidth, long nHeight )
 155 {
 156     if( m_pSocket )
 157     {
 158         GtkFixed* pContainer = GTK_FIXED(gtk_widget_get_parent(m_pSocket));
 159         gtk_fixed_move( pContainer, m_pSocket, nX, nY );
 160         gtk_widget_set_size_request( m_pSocket, nWidth, nHeight );
 161         gtk_container_resize_children( GTK_CONTAINER(pContainer) );
 162     }
 163 }
 164
 165 void GtkSalObject::Show( bool bVisible )
 166 {
 167     if( m_pSocket )
 168     {
 169         if( bVisible )
 170             gtk_widget_show( m_pSocket );
 171         else
 172             gtk_widget_hide( m_pSocket );
 173     }
 174 }
 175
 176 const SystemEnvData* GtkSalObject::GetSystemData() const
 177 {
 178     return &m_aSystemData;
 179 }
 180
 181 gboolean GtkSalObject::signalButton( GtkWidget*, GdkEventButton* pEvent, gpointer object )
 182 {
 183     GtkSalObject* pThis = static_cast<GtkSalObject*>(object);
 184
 185     if( pEvent->type == GDK_BUTTON_PRESS )
 186     {
 187         pThis->CallCallback( SALOBJ_EVENT_TOTOP, NULL );
 188     }
 189
 190     return FALSE;
 191 }
 192
 193 gboolean GtkSalObject::signalFocus( GtkWidget*, GdkEventFocus* pEvent, gpointer object )
 194 {
 195     GtkSalObject* pThis = static_cast<GtkSalObject*>(object);
 196
 197     pThis->CallCallback( pEvent->in ? SALOBJ_EVENT_GETFOCUS : SALOBJ_EVENT_LOSEFOCUS, NULL );
 198
 199     return FALSE;
 200 }
 201
 202 void GtkSalObject::signalDestroy( GtkWidget* pObj, gpointer object )
 203 {
 204     GtkSalObject* pThis = static_cast<GtkSalObject*>(object);
 205     if( pObj == pThis->m_pSocket )
 206     {
 207         pThis->m_pSocket = NULL;
 208     }
 209 }
 210
 211 void GtkSalObject::SetForwardKey( bool bEnable )
 212 {
 213     if( bEnable )
 214         gtk_widget_add_events( GTK_WIDGET( m_pSocket ), GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE );
 215     else
 216         gtk_widget_set_events( GTK_WIDGET( m_pSocket ), ~(GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE) & gtk_widget_get_events( GTK_WIDGET( m_pSocket ) ) );
 217 }
 218
 219 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */