vcl/aqua/source/window/salobj.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
  21 #include <string.h>
  22
  23 #include "aqua/saldata.hxx"
  24 #include "aqua/salobj.h"
  25 #include "aqua/salframe.h"
  26
  27 // =======================================================================
  28
  29 AquaSalObject::AquaSalObject( AquaSalFrame* pFrame ) :
  30     mpFrame( pFrame ),
  31     mnClipX( -1 ),
  32     mnClipY( -1 ),
  33     mnClipWidth( -1 ),
  34     mnClipHeight( -1 ),
  35     mbClip( false ),
  36     mnX( 0 ),
  37     mnY( 0 ),
  38     mnWidth( 20 ),
  39     mnHeight( 20 )
  40 {
  41     maSysData.nSize = sizeof( maSysData );
  42     maSysData.pView = NULL;
  43
  44     NSRect aInitFrame = { { 0, 0 }, { 20, 20 } };
  45     mpClipView = [[NSClipView alloc] initWithFrame: aInitFrame ];
  46     if( mpClipView )
  47     {
  48         [mpFrame->getView() addSubview: mpClipView];
  49         [mpClipView setHidden: YES];
  50     }
  51     maSysData.pView = [[NSView alloc] initWithFrame: aInitFrame];
  52     if( maSysData.pView )
  53     {
  54         if( mpClipView )
  55             [mpClipView setDocumentView: maSysData.pView];
  56     }
  57 }
  58
  59 // -----------------------------------------------------------------------
  60
  61 AquaSalObject::~AquaSalObject()
  62 {
  63     if( maSysData.pView )
  64     {
  65         NSView *pView = maSysData.pView;
  66         [pView removeFromSuperview];
  67         [pView release];
  68     }
  69     if( mpClipView )
  70     {
  71         [mpClipView removeFromSuperview];
  72         [mpClipView release];
  73     }
  74 }
  75
  76 /*
  77    sadly there seems to be no way to impose clipping on a child view,
  78    especially a QTMovieView which seems to ignore the current context
  79    completely. Also there is no real way to shape a window; on Aqua a
  80    similar effect to non-rectangular windows is achieved by using a
  81    non-opaque window and not painting where one wants the background
  82    to shine through.
  83
  84    With respect to SalObject this leaves us to having an NSClipView
  85    containing the child view. Even a QTMovieView respects the boundaries of
  86    that, which gives us a clip "region" consisting of one rectangle.
  87    This is gives us an 80% solution only, though.
  88 */
  89
  90 // -----------------------------------------------------------------------
  91
  92 void AquaSalObject::ResetClipRegion()
  93 {
  94     mbClip = false;
  95     setClippedPosSize();
  96 }
  97
  98 // -----------------------------------------------------------------------
  99
 100 sal_uInt16 AquaSalObject::GetClipRegionType()
 101 {
 102     return SAL_OBJECT_CLIP_INCLUDERECTS;
 103 }
 104
 105 // -----------------------------------------------------------------------
 106
 107 void AquaSalObject::BeginSetClipRegion( sal_uLong )
 108 {
 109     mbClip = false;
 110 }
 111
 112 // -----------------------------------------------------------------------
 113
 114 void AquaSalObject::UnionClipRegion( long nX, long nY, long nWidth, long nHeight )
 115 {
 116     if( mbClip )
 117     {
 118         if( nX < mnClipX )
 119         {
 120             mnClipWidth += mnClipX - nX;
 121             mnClipX = nX;
 122         }
 123         if( nX + nWidth > mnClipX + mnClipWidth )
 124             mnClipWidth = nX + nWidth - mnClipX;
 125         if( nY < mnClipY )
 126         {
 127             mnClipHeight += mnClipY - nY;
 128             mnClipY = nY;
 129         }
 130         if( nY + nHeight > mnClipY + mnClipHeight )
 131             mnClipHeight = nY + nHeight - mnClipY;
 132     }
 133     else
 134     {
 135         mnClipX = nX;
 136         mnClipY = nY;
 137         mnClipWidth = nWidth;
 138         mnClipHeight = nHeight;
 139         mbClip = true;
 140     }
 141 }
 142
 143 // -----------------------------------------------------------------------
 144
 145 void AquaSalObject::EndSetClipRegion()
 146 {
 147     setClippedPosSize();
 148 }
 149
 150 // -----------------------------------------------------------------------
 151
 152 void AquaSalObject::SetPosSize( long nX, long nY, long nWidth, long nHeight )
 153 {
 154     mnX = nX;
 155     mnY = nY;
 156     mnWidth = nWidth;
 157     mnHeight = nHeight;
 158     setClippedPosSize();
 159 }
 160
 161 // -----------------------------------------------------------------------
 162
 163 void AquaSalObject::setClippedPosSize()
 164 {
 165     NSRect aViewRect = { { 0, 0 }, { static_cast<CGFloat>(mnWidth), static_cast<CGFloat>(mnHeight) } };
 166     if( maSysData.pView )
 167     {
 168         NSView *pView = maSysData.pView;
 169         [pView setFrame: aViewRect];
 170     }
 171
 172     NSRect aClipViewRect = { { static_cast<CGFloat>(mnX), static_cast<CGFloat>(mnY) }, { static_cast<CGFloat>(mnWidth), static_cast<CGFloat>(mnHeight) } };
 173     NSPoint aClipPt = { 0, 0 };
 174     if( mbClip )
 175     {
 176         aClipViewRect.origin.x += mnClipX;
 177         aClipViewRect.origin.y += mnClipY;
 178         aClipViewRect.size.width = mnClipWidth;
 179         aClipViewRect.size.height = mnClipHeight;
 180         aClipPt.x = mnClipX;
 181         if( mnClipY == 0 )
 182             aClipPt.y = mnHeight - mnClipHeight;
 183     }
 184
 185     mpFrame->VCLToCocoa( aClipViewRect, false );
 186     [mpClipView setFrame: aClipViewRect];
 187
 188     [mpClipView scrollToPoint: aClipPt];
 189 }
 190
 191 // -----------------------------------------------------------------------
 192
 193 void AquaSalObject::Show( sal_Bool bVisible )
 194 {
 195     if( mpClipView )
 196         [mpClipView setHidden: (bVisible ? NO : YES)];
 197 }
 198
 199 // -----------------------------------------------------------------------
 200
 201 const SystemEnvData* AquaSalObject::GetSystemData() const
 202 {
 203     return &maSysData;
 204 }
 205
 206 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */