vcl/source/window/tabpage.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 #include <vcl/accel.hxx>
  21 #include <vcl/event.hxx>
  22 #include <vcl/layout.hxx>
  23 #include <vcl/tabpage.hxx>
  24 #include <vcl/bitmapex.hxx>
  25 #include <vcl/settings.hxx>
  26
  27 void TabPage::ImplInit( vcl::Window* pParent, WinBits nStyle )
  28 {
  29     if ( !(nStyle & WB_NODIALOGCONTROL) )
  30         nStyle |= WB_DIALOGCONTROL;
  31
  32     Window::ImplInit( pParent, nStyle, nullptr );
  33
  34     ImplInitSettings();
  35
  36     // if the tabpage is drawn (ie filled) by a native widget, make sure all controls will have transparent background
  37     // otherwise they will paint with a wrong background
  38     if( IsNativeControlSupported(ControlType::TabBody, ControlPart::Entire) && GetParent() && (GetParent()->GetType() == WindowType::TABCONTROL) )
  39         EnableChildTransparentMode();
  40 }
  41
  42 void TabPage::ImplInitSettings()
  43 {
  44     vcl::Window* pParent = GetParent();
  45     if (pParent && pParent->IsChildTransparentModeEnabled() && !IsControlBackground())
  46     {
  47         EnableChildTransparentMode();
  48         SetParentClipMode( ParentClipMode::NoClip );
  49         SetPaintTransparent( true );
  50         SetBackground();
  51     }
  52     else
  53     {
  54         EnableChildTransparentMode( false );
  55         SetParentClipMode();
  56         SetPaintTransparent( false );
  57
  58         if (IsControlBackground() || !pParent)
  59             SetBackground( GetControlBackground() );
  60         else
  61             SetBackground( pParent->GetBackground() );
  62     }
  63 }
  64
  65 TabPage::TabPage( vcl::Window* pParent, WinBits nStyle ) :
  66     Window( WindowType::TABPAGE )
  67     , IContext()
  68 {
  69     ImplInit( pParent, nStyle );
  70 }
  71
  72 TabPage::TabPage(vcl::Window *pParent, const OString& rID, const OUString& rUIXMLDescription)
  73     : Window(WindowType::TABPAGE)
  74     , IContext()
  75 {
  76     ImplInit(pParent, 0);
  77     m_pUIBuilder.reset( new VclBuilder(this, getUIRootDir(), rUIXMLDescription, rID) );
  78     set_hexpand(true);
  79     set_vexpand(true);
  80     set_expand(true);
  81 }
  82
  83 TabPage::~TabPage()
  84 {
  85     disposeOnce();
  86 }
  87
  88 void TabPage::dispose()
  89 {
  90     disposeBuilder();
  91     vcl::Window::dispose();
  92 }
  93
  94 void TabPage::StateChanged( StateChangedType nType )
  95 {
  96     Window::StateChanged( nType );
  97
  98     if ( nType == StateChangedType::InitShow )
  99     {
 100         if (GetSettings().GetStyleSettings().GetAutoMnemonic())
 101             Accelerator::GenerateAutoMnemonicsOnHierarchy(this);
 102         // FIXME: no layouting, workaround some clipping issues
 103         ImplAdjustNWFSizes();
 104     }
 105     else if ( nType == StateChangedType::ControlBackground )
 106     {
 107         ImplInitSettings();
 108         Invalidate();
 109     }
 110 }
 111
 112 void TabPage::DataChanged( const DataChangedEvent& rDCEvt )
 113 {
 114     Window::DataChanged( rDCEvt );
 115
 116     if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
 117          (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
 118     {
 119         ImplInitSettings();
 120         Invalidate();
 121     }
 122 }
 123
 124 void TabPage::Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& )
 125 {
 126     // draw native tabpage only inside tabcontrols, standalone tabpages look ugly (due to bad dialog design)
 127     if( IsNativeControlSupported(ControlType::TabBody, ControlPart::Entire) && GetParent() && (GetParent()->GetType() == WindowType::TABCONTROL) )
 128     {
 129         const ImplControlValue aControlValue;
 130
 131         ControlState nState = ControlState::ENABLED;
 132         if ( !IsEnabled() )
 133             nState &= ~ControlState::ENABLED;
 134         if ( HasFocus() )
 135             nState |= ControlState::FOCUSED;
 136         // pass the whole window region to NWF as the tab body might be a gradient or bitmap
 137         // that has to be scaled properly, clipping makes sure that we do not paint too much
 138         tools::Rectangle aCtrlRegion( Point(), GetOutputSizePixel() );
 139         rRenderContext.DrawNativeControl( ControlType::TabBody, ControlPart::Entire, aCtrlRegion, nState,
 140                 aControlValue, OUString() );
 141     }
 142 }
 143
 144 void TabPage::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, DrawFlags )
 145 {
 146     Point aPos = pDev->LogicToPixel( rPos );
 147     Size aSize = pDev->LogicToPixel( rSize );
 148
 149     Wallpaper aWallpaper = GetBackground();
 150     if ( !aWallpaper.IsBitmap() )
 151         ImplInitSettings();
 152
 153     pDev->Push();
 154     pDev->SetMapMode();
 155     pDev->SetLineColor();
 156
 157     if ( aWallpaper.IsBitmap() )
 158         pDev->DrawBitmapEx( aPos, aSize, aWallpaper.GetBitmap() );
 159     else
 160     {
 161         if( aWallpaper.GetColor() == COL_AUTO )
 162             pDev->SetFillColor( GetSettings().GetStyleSettings().GetDialogColor() );
 163         else
 164             pDev->SetFillColor( aWallpaper.GetColor() );
 165         pDev->DrawRect( tools::Rectangle( aPos, aSize ) );
 166     }
 167
 168     pDev->Pop();
 169 }
 170
 171 void TabPage::ActivatePage()
 172 {
 173 }
 174
 175 Size TabPage::GetOptimalSize() const
 176 {
 177     if (isLayoutEnabled(this))
 178         return VclContainer::getLayoutRequisition(*GetWindow(GetWindowType::FirstChild));
 179     return getLegacyBestSizeForChildren(*this);
 180 }
 181
 182 void TabPage::SetPosSizePixel(const Point& rAllocPos, const Size& rAllocation)
 183 {
 184     Window::SetPosSizePixel(rAllocPos, rAllocation);
 185     if (isLayoutEnabled(this) && rAllocation.Width() && rAllocation.Height())
 186         VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), rAllocation);
 187 }
 188
 189 void TabPage::SetSizePixel(const Size& rAllocation)
 190 {
 191     Window::SetSizePixel(rAllocation);
 192     if (isLayoutEnabled(this) && rAllocation.Width() && rAllocation.Height())
 193         VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), rAllocation);
 194 }
 195
 196 void TabPage::SetPosPixel(const Point& rAllocPos)
 197 {
 198     Window::SetPosPixel(rAllocPos);
 199     Size aAllocation(GetOutputSizePixel());
 200     if (isLayoutEnabled(this) && aAllocation.Width() && aAllocation.Height())
 201     {
 202         VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), aAllocation);
 203     }
 204 }
 205
 206 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */