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
  33 //......................................................................................................................
  34 namespace svt
  35 {
  36 //......................................................................................................................
  37
  38     using ::com::sun::star::uno::Reference;
  39     using ::com::sun::star::awt::XWindowPeer;
  40     namespace AccessibleRole = ::com::sun::star::accessibility::AccessibleRole;
  41
  42     static const int s_nIndentationWidth = 16;
  43
  44     //==================================================================================================================
  45     //= DrawerVisualization
  46     //==================================================================================================================
  47     //------------------------------------------------------------------------------------------------------------------
  48     DrawerVisualization::DrawerVisualization( ToolPanelDrawer& i_rParent )
  49         :Window( &i_rParent )
  50         ,m_rDrawer( i_rParent )
  51     {
  52         SetMouseTransparent( sal_True );
  53         Show();
  54         SetAccessibleRole( AccessibleRole::LABEL );
  55     }
  56
  57     //------------------------------------------------------------------------------------------------------------------
  58     DrawerVisualization::~DrawerVisualization()
  59     {
  60     }
  61
  62     //------------------------------------------------------------------------------------------------------------------
  63     void DrawerVisualization::Paint( const Rectangle& i_rBoundingBox )
  64     {
  65         Window::Paint( i_rBoundingBox );
  66         m_rDrawer.Paint();
  67     }
  68
  69     //==================================================================================================================
  70     //= ToolPanelDrawer
  71     //==================================================================================================================
  72     //------------------------------------------------------------------------------------------------------------------
  73     ToolPanelDrawer::ToolPanelDrawer( Window& i_rParent, const OUString& i_rTitle )
  74         :Window( &i_rParent, WB_TABSTOP )
  75         ,m_pPaintDevice( new VirtualDevice( *this ) )
  76         ,m_aVisualization( *this )
  77         ,m_bFocused( false )
  78         ,m_bExpanded( false )
  79     {
  80         EnableMapMode( sal_False );
  81         SetBackground( Wallpaper() );
  82         SetPointer( POINTER_REFHAND );
  83
  84         SetAccessibleRole( AccessibleRole::LIST_ITEM );
  85
  86         SetText( i_rTitle );
  87         SetAccessibleName( i_rTitle );
  88         SetAccessibleDescription( i_rTitle );
  89
  90         m_aVisualization.SetAccessibleName( i_rTitle );
  91         m_aVisualization.SetAccessibleDescription( i_rTitle );
  92     }
  93
  94     //------------------------------------------------------------------------------------------------------------------
  95     ToolPanelDrawer::~ToolPanelDrawer()
  96     {
  97     }
  98
  99     //------------------------------------------------------------------------------------------------------------------
 100     long ToolPanelDrawer::GetPreferredHeightPixel() const
 101     {
 102         Rectangle aTitleBarBox( impl_calcTitleBarBox( impl_calcTextBoundingBox() ) );
 103         return aTitleBarBox.GetHeight();
 104     }
 105
 106     //------------------------------------------------------------------------------------------------------------------
 107     void ToolPanelDrawer::Paint()
 108     {
 109         m_pPaintDevice->SetMapMode( GetMapMode() );
 110         m_pPaintDevice->SetOutputSize( GetOutputSizePixel() );
 111         m_pPaintDevice->SetSettings( GetSettings() );
 112         m_pPaintDevice->SetDrawMode( GetDrawMode() );
 113
 114         const Rectangle aTextBox( impl_calcTextBoundingBox() );
 115         impl_paintBackground( impl_calcTitleBarBox( aTextBox ) );
 116
 117         Rectangle aFocusBox( impl_paintExpansionIndicator( aTextBox ) );
 118
 119         m_pPaintDevice->DrawText( aTextBox, GetText(), impl_getTextStyle() );
 120
 121         aFocusBox.Union( aTextBox );
 122         aFocusBox.Left() += 2;
 123         impl_paintFocusIndicator( aFocusBox );
 124
 125         m_aVisualization.DrawOutDev(
 126             Point(), GetOutputSizePixel(),
 127             Point(), GetOutputSizePixel(),
 128             *m_pPaintDevice
 129         );
 130     }
 131
 132     //------------------------------------------------------------------------------------------------------------------
 133     Rectangle ToolPanelDrawer::impl_paintExpansionIndicator( const Rectangle& i_rTextBox )
 134     {
 135         Rectangle aExpansionIndicatorArea;
 136
 137         Image aImage( impl_getExpansionIndicator() );
 138         const int nHeight( aImage.GetSizePixel().Height() );
 139         if ( nHeight > 0 )
 140         {
 141             Point aPosition(
 142                 0,
 143                 i_rTextBox.Top() + ( GetTextHeight() - nHeight ) / 2
 144             );
 145             m_pPaintDevice->DrawImage( aPosition, aImage );
 146
 147             aExpansionIndicatorArea = Rectangle( aPosition, aImage.GetSizePixel() );
 148         }
 149
 150         return aExpansionIndicatorArea;
 151     }
 152
 153
 154     Image ToolPanelDrawer::impl_getExpansionIndicator() const
 155     {
 156         sal_uInt16 nResourceId = 0;
 157         if ( m_bExpanded )
 158             nResourceId = IMG_TRIANGLE_DOWN;
 159         else
 160             nResourceId = IMG_TRIANGLE_RIGHT;
 161         return Image( SvtResId( nResourceId ) );
 162     }
 163
 164
 165     sal_uInt16 ToolPanelDrawer::impl_getTextStyle() const
 166     {
 167         const sal_uInt16 nBasicStyle =  TEXT_DRAW_LEFT
 168                                 |   TEXT_DRAW_TOP
 169                                 |   TEXT_DRAW_WORDBREAK;
 170
 171         if ( IsEnabled() )
 172             return nBasicStyle;
 173
 174         return nBasicStyle | TEXT_DRAW_DISABLE;
 175     }
 176
 177     //------------------------------------------------------------------------------------------------------------------
 178     void ToolPanelDrawer::impl_paintBackground( const Rectangle& i_rTitleBarBox )
 179     {
 180         m_pPaintDevice->SetFillColor( GetSettings().GetStyleSettings().GetDialogColor() );
 181         m_pPaintDevice->DrawRect( i_rTitleBarBox );
 182
 183         m_pPaintDevice->SetFillColor();
 184         m_pPaintDevice->SetLineColor( GetSettings().GetStyleSettings().GetLightColor() );
 185         m_pPaintDevice->DrawLine( i_rTitleBarBox.TopLeft(), i_rTitleBarBox.TopRight() );
 186         m_pPaintDevice->DrawLine( i_rTitleBarBox.TopLeft(), i_rTitleBarBox.BottomLeft() );
 187
 188         m_pPaintDevice->SetLineColor( GetSettings().GetStyleSettings().GetShadowColor() );
 189         m_pPaintDevice->DrawLine( i_rTitleBarBox.BottomLeft(), i_rTitleBarBox.BottomRight() );
 190         m_pPaintDevice->DrawLine( i_rTitleBarBox.TopRight(), i_rTitleBarBox.BottomRight() );
 191     }
 192
 193     //------------------------------------------------------------------------------------------------------------------
 194     void ToolPanelDrawer::impl_paintFocusIndicator( const Rectangle& i_rTextBox )
 195     {
 196         if ( m_bFocused )
 197         {
 198             const Rectangle aTextPixelBox( m_pPaintDevice->LogicToPixel( i_rTextBox ) );
 199
 200             m_pPaintDevice->EnableMapMode( sal_False );
 201             m_pPaintDevice->SetFillColor();
 202
 203             Rectangle aBox( i_rTextBox );
 204             aBox.Top() -= 1;
 205             aBox.Bottom() += 1;
 206
 207             m_pPaintDevice->DrawRect( aTextPixelBox );
 208
 209             LineInfo aDottedStyle( LINE_DASH );
 210             aDottedStyle.SetDashCount( 0 );
 211             aDottedStyle.SetDotCount( 1 );
 212             aDottedStyle.SetDotLen( 1 );
 213             aDottedStyle.SetDistance( 1 );
 214
 215             m_pPaintDevice->SetLineColor( COL_BLACK );
 216             m_pPaintDevice->DrawPolyLine( Polygon( aTextPixelBox ), aDottedStyle );
 217             m_pPaintDevice->EnableMapMode( sal_False );
 218         }
 219         else
 220             HideFocus();
 221     }
 222
 223     //------------------------------------------------------------------------------------------------------------------
 224     void ToolPanelDrawer::GetFocus()
 225     {
 226         m_bFocused = true;
 227         Invalidate();
 228     }
 229
 230     //------------------------------------------------------------------------------------------------------------------
 231     void ToolPanelDrawer::LoseFocus()
 232     {
 233         m_bFocused = false;
 234         Invalidate();
 235     }
 236
 237     //------------------------------------------------------------------------------------------------------------------
 238     void ToolPanelDrawer::Resize()
 239     {
 240         Window::Resize();
 241         m_aVisualization.SetPosSizePixel( Point(), GetOutputSizePixel() );
 242     }
 243
 244     //------------------------------------------------------------------------------------------------------------------
 245     void ToolPanelDrawer::MouseButtonDown( const MouseEvent& i_rMouseEvent )
 246     {
 247         // consume this event, and do not forward to the base class - it would sent a NotifyEvent, which in turn, when
 248         // we live in a DockingWindow, would start undocking
 249         (void)i_rMouseEvent;
 250     }
 251
 252     //------------------------------------------------------------------------------------------------------------------
 253     void ToolPanelDrawer::DataChanged( const DataChangedEvent& i_rEvent )
 254     {
 255         Window::DataChanged( i_rEvent );
 256
 257         switch ( i_rEvent.GetType() )
 258         {
 259             case DATACHANGED_SETTINGS:
 260                 if ( ( i_rEvent.GetFlags() & SETTINGS_STYLE ) == 0 )
 261                     break;
 262                 SetSettings( Application::GetSettings() );
 263                 m_pPaintDevice.reset( new VirtualDevice( *this ) );
 264
 265                 // fall through.
 266
 267             case DATACHANGED_FONTS:
 268             case DATACHANGED_FONTSUBSTITUTION:
 269             {
 270                 const StyleSettings& rStyleSettings( GetSettings().GetStyleSettings() );
 271
 272                 // Font.
 273                 Font aFont = rStyleSettings.GetAppFont();
 274                 if ( IsControlFont() )
 275                     aFont.Merge( GetControlFont() );
 276                 SetZoomedPointFont( aFont );
 277
 278                 // Color.
 279                 Color aColor;
 280                 if ( IsControlForeground() )
 281                     aColor = GetControlForeground();
 282                 else
 283                     aColor = rStyleSettings.GetButtonTextColor();
 284                 SetTextColor( aColor );
 285                 SetTextFillColor();
 286
 287                 Invalidate();
 288             }
 289             break;
 290         }
 291     }
 292
 293     //------------------------------------------------------------------------------------------------------------------
 294     Reference< XWindowPeer > ToolPanelDrawer::GetComponentInterface( sal_Bool i_bCreate )
 295     {
 296         Reference< XWindowPeer > xWindowPeer( Window::GetComponentInterface( sal_False ) );
 297         if ( !xWindowPeer.is() && i_bCreate )
 298         {
 299             xWindowPeer.set( new ToolPanelDrawerPeer() );
 300             SetComponentInterface( xWindowPeer );
 301         }
 302         return xWindowPeer;
 303     }
 304
 305     //------------------------------------------------------------------------------------------------------------------
 306     Rectangle ToolPanelDrawer::impl_calcTextBoundingBox() const
 307     {
 308         Font aFont( GetFont() );
 309         if ( m_bExpanded )
 310             aFont.SetWeight( m_bExpanded ? WEIGHT_BOLD : WEIGHT_NORMAL );
 311         m_pPaintDevice->SetFont( aFont );
 312
 313         int nAvailableWidth = m_pPaintDevice->GetTextWidth( GetText() );
 314
 315         Rectangle aTextBox(
 316             Point(),
 317             Size(
 318                 nAvailableWidth,
 319                 GetSettings().GetStyleSettings().GetTitleHeight()
 320             )
 321         );
 322         aTextBox.Top() += ( aTextBox.GetHeight() - GetTextHeight() ) / 2;
 323         aTextBox.Left() += s_nIndentationWidth;
 324         aTextBox.Right() -= 1;
 325
 326         aTextBox = m_pPaintDevice->GetTextRect( aTextBox, GetText(), impl_getTextStyle() );
 327         return aTextBox;
 328     }
 329
 330     //------------------------------------------------------------------------------------------------------------------
 331     Rectangle ToolPanelDrawer::impl_calcTitleBarBox( const Rectangle& i_rTextBox ) const
 332     {
 333         Rectangle aTitleBarBox( i_rTextBox );
 334         aTitleBarBox.Bottom() += aTitleBarBox.Top();
 335         aTitleBarBox.Top() = 0;
 336         aTitleBarBox.Left() = 0;
 337
 338         const long nWidth = GetOutputSizePixel().Width();
 339         if ( aTitleBarBox.GetWidth() < nWidth )
 340             aTitleBarBox.Right() = nWidth - 1;
 341
 342         return aTitleBarBox;
 343     }
 344
 345     //------------------------------------------------------------------------------------------------------------------
 346     void ToolPanelDrawer::SetExpanded( const bool i_bExpanded )
 347     {
 348         if ( m_bExpanded != i_bExpanded )
 349         {
 350             m_bExpanded = i_bExpanded;
 351             CallEventListeners( m_bExpanded ? VCLEVENT_ITEM_EXPANDED : VCLEVENT_ITEM_COLLAPSED );
 352             Invalidate();
 353         }
 354     }
 355
 356 //......................................................................................................................
 357 } // namespace svt
 358 //......................................................................................................................
 359
 360 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */