svtools/source/toolpanel/toolpaneldrawer.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 "toolpaneldrawer.hxx"
  22 #include "toolpaneldrawerpeer.hxx"
  23 #include <svtools/svtresid.hxx>
  24 #include <svtools/svtools.hrc>
  25
  26 #include <com/sun/star/accessibility/AccessibleRole.hpp>
  27
  28 #include <vcl/lineinfo.hxx>
  29 #include <vcl/image.hxx>
  30 #include <vcl/svapp.hxx>
  31 #include <vcl/vclevent.hxx>
  32 #include <vcl/settings.hxx>
  33
  34
  35 namespace svt
  36 {
  37
  38
  39     using ::com::sun::star::uno::Reference;
  40     using ::com::sun::star::awt::XWindowPeer;
  41     namespace AccessibleRole = ::com::sun::star::accessibility::AccessibleRole;
  42
  43     static const int s_nIndentationWidth = 16;
  44
  45
  46     //= DrawerVisualization
  47
  48
  49     DrawerVisualization::DrawerVisualization( ToolPanelDrawer& i_rParent )
  50         :Window( &i_rParent )
  51         ,m_rDrawer( i_rParent )
  52     {
  53         SetMouseTransparent( true );
  54         Show();
  55         SetAccessibleRole( AccessibleRole::LABEL );
  56     }
  57
  58
  59     void DrawerVisualization::Paint(vcl::RenderContext& rRenderContext, const Rectangle& i_rBoundingBox)
  60     {
  61         Window::Paint(rRenderContext, i_rBoundingBox);
  62         m_rDrawer.Paint(rRenderContext);
  63     }
  64
  65
  66     //= ToolPanelDrawer
  67
  68
  69     ToolPanelDrawer::ToolPanelDrawer( vcl::Window& i_rParent, const OUString& i_rTitle )
  70         :Window( &i_rParent, WB_TABSTOP )
  71         ,m_pPaintDevice( VclPtr<VirtualDevice>::Create( *this ) )
  72         ,m_aVisualization( VclPtr<DrawerVisualization>::Create(*this) )
  73         ,m_bFocused( false )
  74         ,m_bExpanded( false )
  75     {
  76         EnableMapMode( false );
  77         SetBackground( Wallpaper() );
  78         SetPointer( PointerStyle::RefHand );
  79
  80         SetAccessibleRole( AccessibleRole::LIST_ITEM );
  81
  82         SetText( i_rTitle );
  83         SetAccessibleName( i_rTitle );
  84         SetAccessibleDescription( i_rTitle );
  85
  86         m_aVisualization->SetAccessibleName( i_rTitle );
  87         m_aVisualization->SetAccessibleDescription( i_rTitle );
  88     }
  89
  90     ToolPanelDrawer::~ToolPanelDrawer()
  91     {
  92         disposeOnce();
  93     }
  94
  95     void ToolPanelDrawer::dispose()
  96     {
  97         m_aVisualization.disposeAndClear();
  98         vcl::Window::dispose();
  99     }
 100
 101     long ToolPanelDrawer::GetPreferredHeightPixel() const
 102     {
 103         Rectangle aTitleBarBox( impl_calcTitleBarBox( impl_calcTextBoundingBox() ) );
 104         return aTitleBarBox.GetHeight();
 105     }
 106
 107
 108     void ToolPanelDrawer::Paint(vcl::RenderContext& rRenderContext)
 109     {
 110         m_pPaintDevice->SetMapMode(rRenderContext.GetMapMode());
 111         m_pPaintDevice->SetOutputSize(GetOutputSizePixel());
 112         m_pPaintDevice->SetSettings(rRenderContext.GetSettings());
 113         m_pPaintDevice->SetDrawMode(rRenderContext.GetDrawMode());
 114
 115         const Rectangle aTextBox(impl_calcTextBoundingBox());
 116         impl_paintBackground(impl_calcTitleBarBox(aTextBox));
 117
 118         Rectangle aFocusBox(impl_paintExpansionIndicator(aTextBox));
 119
 120         m_pPaintDevice->DrawText(aTextBox, GetText(), impl_getTextStyle());
 121
 122         aFocusBox.Union(aTextBox);
 123         aFocusBox.Left() += 2;
 124         impl_paintFocusIndicator(aFocusBox);
 125
 126         rRenderContext.DrawOutDev(Point(), GetOutputSizePixel(), Point(), GetOutputSizePixel(), *m_pPaintDevice);
 127     }
 128
 129
 130     Rectangle ToolPanelDrawer::impl_paintExpansionIndicator( const Rectangle& i_rTextBox )
 131     {
 132         Rectangle aExpansionIndicatorArea;
 133
 134         Image aImage( impl_getExpansionIndicator() );
 135         const int nHeight( aImage.GetSizePixel().Height() );
 136         if ( nHeight > 0 )
 137         {
 138             Point aPosition(
 139                 0,
 140                 i_rTextBox.Top() + ( GetTextHeight() - nHeight ) / 2
 141             );
 142             m_pPaintDevice->DrawImage( aPosition, aImage );
 143
 144             aExpansionIndicatorArea = Rectangle( aPosition, aImage.GetSizePixel() );
 145         }
 146
 147         return aExpansionIndicatorArea;
 148     }
 149
 150
 151     Image ToolPanelDrawer::impl_getExpansionIndicator() const
 152     {
 153         sal_uInt16 nResourceId = 0;
 154         if ( m_bExpanded )
 155             nResourceId = IMG_TRIANGLE_DOWN;
 156         else
 157             nResourceId = IMG_TRIANGLE_RIGHT;
 158         return Image( SvtResId( nResourceId ) );
 159     }
 160
 161
 162     DrawTextFlags ToolPanelDrawer::impl_getTextStyle() const
 163     {
 164         const DrawTextFlags nBasicStyle =  DrawTextFlags::Left
 165                                 |   DrawTextFlags::Top
 166                                 |   DrawTextFlags::WordBreak;
 167
 168         if ( IsEnabled() )
 169             return nBasicStyle;
 170
 171         return nBasicStyle | DrawTextFlags::Disable;
 172     }
 173
 174
 175     void ToolPanelDrawer::impl_paintBackground( const Rectangle& i_rTitleBarBox )
 176     {
 177         m_pPaintDevice->SetFillColor( GetSettings().GetStyleSettings().GetDialogColor() );
 178         m_pPaintDevice->DrawRect( i_rTitleBarBox );
 179
 180         m_pPaintDevice->SetFillColor();
 181         m_pPaintDevice->SetLineColor( GetSettings().GetStyleSettings().GetLightColor() );
 182         m_pPaintDevice->DrawLine( i_rTitleBarBox.TopLeft(), i_rTitleBarBox.TopRight() );
 183         m_pPaintDevice->DrawLine( i_rTitleBarBox.TopLeft(), i_rTitleBarBox.BottomLeft() );
 184
 185         m_pPaintDevice->SetLineColor( GetSettings().GetStyleSettings().GetShadowColor() );
 186         m_pPaintDevice->DrawLine( i_rTitleBarBox.BottomLeft(), i_rTitleBarBox.BottomRight() );
 187         m_pPaintDevice->DrawLine( i_rTitleBarBox.TopRight(), i_rTitleBarBox.BottomRight() );
 188     }
 189
 190
 191     void ToolPanelDrawer::impl_paintFocusIndicator( const Rectangle& i_rTextBox )
 192     {
 193         if ( m_bFocused )
 194         {
 195             const Rectangle aTextPixelBox( m_pPaintDevice->LogicToPixel( i_rTextBox ) );
 196
 197             m_pPaintDevice->EnableMapMode( false );
 198             m_pPaintDevice->SetFillColor();
 199
 200             Rectangle aBox( i_rTextBox );
 201             aBox.Top() -= 1;
 202             aBox.Bottom() += 1;
 203
 204             m_pPaintDevice->DrawRect( aTextPixelBox );
 205
 206             LineInfo aDottedStyle( LINE_DASH );
 207             aDottedStyle.SetDashCount( 0 );
 208             aDottedStyle.SetDotCount( 1 );
 209             aDottedStyle.SetDotLen( 1 );
 210             aDottedStyle.SetDistance( 1 );
 211
 212             m_pPaintDevice->SetLineColor( COL_BLACK );
 213             m_pPaintDevice->DrawPolyLine( Polygon( aTextPixelBox ), aDottedStyle );
 214             m_pPaintDevice->EnableMapMode( false );
 215         }
 216         else
 217             HideFocus();
 218     }
 219
 220
 221     void ToolPanelDrawer::GetFocus()
 222     {
 223         m_bFocused = true;
 224         Invalidate();
 225     }
 226
 227
 228     void ToolPanelDrawer::LoseFocus()
 229     {
 230         m_bFocused = false;
 231         Invalidate();
 232     }
 233
 234
 235     void ToolPanelDrawer::Resize()
 236     {
 237         Window::Resize();
 238         m_aVisualization->SetPosSizePixel( Point(), GetOutputSizePixel() );
 239     }
 240
 241
 242     void ToolPanelDrawer::MouseButtonDown( const MouseEvent& i_rMouseEvent )
 243     {
 244         // consume this event, and do not forward to the base class - it would sent a NotifyEvent, which in turn, when
 245         // we live in a DockingWindow, would start undocking
 246         (void)i_rMouseEvent;
 247     }
 248
 249     void ToolPanelDrawer::ApplySettings(vcl::RenderContext& rRenderContext)
 250     {
 251         const StyleSettings& rStyleSettings(rRenderContext.GetSettings().GetStyleSettings());
 252         ApplyControlFont(rRenderContext, rStyleSettings.GetAppFont());
 253         ApplyControlForeground(rRenderContext, rStyleSettings.GetButtonTextColor());
 254         rRenderContext.SetTextFillColor();
 255     }
 256
 257     void ToolPanelDrawer::DataChanged( const DataChangedEvent& i_rEvent )
 258     {
 259         Window::DataChanged( i_rEvent );
 260
 261         switch ( i_rEvent.GetType() )
 262         {
 263             case DataChangedEventType::SETTINGS:
 264                 if ( !( i_rEvent.GetFlags() & AllSettingsFlags::STYLE ) )
 265                     break;
 266                 SetSettings( Application::GetSettings() );
 267                 m_pPaintDevice.reset( VclPtr<VirtualDevice>::Create( *this ) );
 268
 269                 // fall through.
 270
 271             case DataChangedEventType::FONTS:
 272             case DataChangedEventType::FONTSUBSTITUTION:
 273             {
 274                 const StyleSettings& rStyleSettings( GetSettings().GetStyleSettings() );
 275                 ApplyControlFont(*this, rStyleSettings.GetAppFont());
 276                 ApplyControlForeground(*this, rStyleSettings.GetButtonTextColor());
 277                 SetTextFillColor();
 278                 Invalidate();
 279             }
 280             break;
 281             default: break;
 282         }
 283     }
 284
 285
 286     Reference< XWindowPeer > ToolPanelDrawer::GetComponentInterface( bool i_bCreate )
 287     {
 288         Reference< XWindowPeer > xWindowPeer( Window::GetComponentInterface( false ) );
 289         if ( !xWindowPeer.is() && i_bCreate )
 290         {
 291             xWindowPeer.set( new ToolPanelDrawerPeer() );
 292             SetComponentInterface( xWindowPeer );
 293         }
 294         return xWindowPeer;
 295     }
 296
 297
 298     Rectangle ToolPanelDrawer::impl_calcTextBoundingBox() const
 299     {
 300         vcl::Font aFont( GetFont() );
 301         if ( m_bExpanded )
 302             aFont.SetWeight( m_bExpanded ? WEIGHT_BOLD : WEIGHT_NORMAL );
 303         m_pPaintDevice->SetFont( aFont );
 304
 305         int nAvailableWidth = m_pPaintDevice->GetTextWidth( GetText() );
 306
 307         Rectangle aTextBox(
 308             Point(),
 309             Size(
 310                 nAvailableWidth,
 311                 GetSettings().GetStyleSettings().GetTitleHeight()
 312             )
 313         );
 314         aTextBox.Top() += ( aTextBox.GetHeight() - GetTextHeight() ) / 2;
 315         aTextBox.Left() += s_nIndentationWidth;
 316         aTextBox.Right() -= 1;
 317
 318         aTextBox = m_pPaintDevice->GetTextRect( aTextBox, GetText(), impl_getTextStyle() );
 319         return aTextBox;
 320     }
 321
 322
 323     Rectangle ToolPanelDrawer::impl_calcTitleBarBox( const Rectangle& i_rTextBox ) const
 324     {
 325         Rectangle aTitleBarBox( i_rTextBox );
 326         aTitleBarBox.Bottom() += aTitleBarBox.Top();
 327         aTitleBarBox.Top() = 0;
 328         aTitleBarBox.Left() = 0;
 329
 330         const long nWidth = GetOutputSizePixel().Width();
 331         if ( aTitleBarBox.GetWidth() < nWidth )
 332             aTitleBarBox.Right() = nWidth - 1;
 333
 334         return aTitleBarBox;
 335     }
 336
 337
 338     void ToolPanelDrawer::SetExpanded( const bool i_bExpanded )
 339     {
 340         if ( m_bExpanded != i_bExpanded )
 341         {
 342             m_bExpanded = i_bExpanded;
 343             CallEventListeners( m_bExpanded ? VCLEVENT_ITEM_EXPANDED : VCLEVENT_ITEM_COLLAPSED );
 344             Invalidate();
 345         }
 346     }
 347
 348
 349 } // namespace svt
 350
 351
 352 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */