contrib/src/fl/updatesmgr.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        updatesmgr.cpp
   3 // Purpose:     cbSimpleUpdatesMgr implementation.
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     19/10/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "updatesmgr.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/fl/updatesmgr.h"
  28
  29 // helper function
  30
  31 static inline bool rect_hits_rect( const wxRect& r1, const wxRect& r2 )
  32 {
  33     if ( ( r2.x >= r1.x && r2.x <= r1.x + r1.width ) ||
  34          ( r1.x >= r2.x && r1.x <= r2.x + r2.width ) )
  35
  36         if ( ( r2.y >= r1.y && r2.y <= r1.y + r1.height ) ||
  37              ( r1.y >= r2.y && r1.y <= r2.y + r2.height ) )
  38
  39             return 1;
  40
  41     return 0;
  42 }
  43
  44 /***** Implementation for class cbSimpleUpdatesMgr *****/
  45
  46 IMPLEMENT_DYNAMIC_CLASS( cbSimpleUpdatesMgr, cbUpdatesManagerBase )
  47
  48 cbSimpleUpdatesMgr::cbSimpleUpdatesMgr( wxFrameLayout* pPanel )
  49     : cbUpdatesManagerBase( pPanel )
  50 {}
  51
  52 bool cbSimpleUpdatesMgr::WasChanged( cbUpdateMgrData& data, wxRect& currentBounds )
  53 {
  54     return (   data.IsDirty() ||
  55
  56              ( data.mPrevBounds.x      != currentBounds.x     ||
  57                data.mPrevBounds.y      != currentBounds.y     ||
  58                data.mPrevBounds.width  != currentBounds.width ||
  59                data.mPrevBounds.height != currentBounds.height  )
  60            );
  61 }
  62
  63 void cbSimpleUpdatesMgr::OnStartChanges()
  64 {
  65     // memorize states of ALL items in the layout -
  66     // this is quite excessive, but OK for the simple
  67     // implementation of updates manager
  68
  69     mpLayout->GetPrevClientRect() = mpLayout->GetClientRect();
  70
  71     cbDockPane** panes = mpLayout->GetPanesArray();
  72
  73     for( int n = 0; n != MAX_PANES; ++n )
  74     {
  75         cbDockPane& pane = *panes[n];
  76         // store pane state
  77         pane.mUMgrData.StoreItemState( pane.mBoundsInParent );
  78         pane.mUMgrData.SetDirty( false );
  79
  80         for( size_t i = 0; i != pane.GetRowList().Count(); ++i )
  81         {
  82             cbRowInfo& row = *pane.GetRowList()[ i ];
  83
  84             // store row state
  85             row.mUMgrData.StoreItemState( row.mBoundsInParent );
  86             row.mUMgrData.SetDirty( false );
  87
  88             for( size_t k = 0; k != row.mBars.Count(); ++k )
  89             {
  90                 cbBarInfo& bar = *row.mBars[ k ];
  91
  92                 // store bar state
  93                 bar.mUMgrData.StoreItemState( bar.mBoundsInParent );
  94                 bar.mUMgrData.SetDirty( false );
  95             }
  96         }
  97     }
  98 }
  99
 100 void cbSimpleUpdatesMgr::OnFinishChanges()
 101 {
 102     // nothing here, could be overriden by more sophisticated updates-managers
 103 }
 104
 105 void cbSimpleUpdatesMgr::OnRowWillChange( cbRowInfo* WXUNUSED(pRow), cbDockPane* WXUNUSED(pInPane) )
 106 {
 107     // -/-
 108 }
 109
 110 void cbSimpleUpdatesMgr::OnBarWillChange( cbBarInfo* WXUNUSED(pBar),
 111                                           cbRowInfo* WXUNUSED(pInRow), cbDockPane* WXUNUSED(pInPane) )
 112 {
 113     // -/-
 114 }
 115
 116 void cbSimpleUpdatesMgr::OnPaneMarginsWillChange( cbDockPane* WXUNUSED(pPane) )
 117 {
 118     // -/-
 119 }
 120
 121 void cbSimpleUpdatesMgr::OnPaneWillChange( cbDockPane* WXUNUSED(pPane) )
 122 {
 123     // -/-
 124 }
 125
 126 void cbSimpleUpdatesMgr::UpdateNow()
 127 {
 128     cbDockPane** panes = mpLayout->GetPanesArray();
 129
 130     wxRect& r1 = mpLayout->GetClientRect();
 131     wxRect& r2 = mpLayout->GetPrevClientRect();
 132
 133     // detect changes in client window's area
 134
 135     bool clientWindowChanged = ( r1.x      != r2.x     ||
 136                                  r1.y      != r2.y     ||
 137                                  r1.width  != r2.width ||
 138                                  r1.height != r2.height );
 139
 140     // step #1 - detect changes in each row of each pane,
 141     //           and repaint decorations around changed windows
 142
 143     wxList mBarsToRefresh;
 144     wxList mPanesList;
 145
 146     for( int n = 0; n != MAX_PANES; ++n )
 147     {
 148         cbDockPane& pane = *(panes[n]);
 149
 150         bool paneChanged = WasChanged( pane.mUMgrData, pane.mBoundsInParent );
 151
 152         if ( paneChanged )
 153         {
 154             wxClientDC dc( &mpLayout->GetParentFrame() );
 155             pane.PaintPaneBackground( dc );
 156         }
 157
 158         wxRect realBounds;
 159
 160         for( size_t i = 0; i != pane.GetRowList().Count(); ++i )
 161         {
 162             cbRowInfo& row = *pane.GetRowList()[ i ];
 163
 164             wxDC* pDc = NULL;
 165
 166             bool rowChanged = false;
 167
 168             // FIXME:: the below should not be fixed
 169             cbBarInfo* barsToRepaint[256];
 170
 171             // number of bars, that were changed in the current row
 172             int nBars = 0;
 173
 174             if ( WasChanged( row.mUMgrData, row.mBoundsInParent ) )
 175
 176                 rowChanged = true;
 177             else
 178                 for( size_t k = 0; k != row.mBars.Count(); ++k )
 179
 180                     if ( WasChanged( row.mBars[k]->mUMgrData,
 181                          row.mBars[k]->mBoundsInParent )
 182                        )
 183
 184                         barsToRepaint[nBars++] = row.mBars[k];
 185
 186             if ( nBars || rowChanged )
 187             {
 188                 realBounds = row.mBoundsInParent;
 189
 190                 // include 1-pixel thick shades around the row
 191                 realBounds.x -= 1;
 192                 realBounds.y -= 1;
 193                 realBounds.width  += 2;
 194                 realBounds.height += 2;
 195
 196                 pDc = pane.StartDrawInArea( realBounds );
 197             }
 198
 199             if ( rowChanged )
 200             {
 201                 // postphone the resizing and refreshing the changed
 202                 // bar windows
 203
 204                 for( size_t k = 0; k != row.mBars.Count(); ++k )
 205                 {
 206                     mBarsToRefresh.Append( (wxObject*)row.mBars[k] );
 207                     mPanesList.Append( &pane );
 208                 }
 209
 210                 // draw only their decorations now
 211
 212                 pane.PaintRow( &row, *pDc );
 213             }
 214             else
 215             if ( nBars != 0 )
 216             {
 217                 for( int i = 0; i != nBars; ++i )
 218                 {
 219                     // postphone the resizement and refreshing the changed
 220                     // bar windows
 221
 222                     mBarsToRefresh.Append( (wxObject*)barsToRepaint[i] );
 223                     mPanesList.Append( &pane );
 224                 }
 225
 226                 // redraw decorations of entire row, regardless of how much
 227                 // of the bars were changed
 228                 pane.PaintRow( &row, *pDc );
 229             }
 230
 231             if ( pDc )
 232
 233                 pane.FinishDrawInArea( realBounds );
 234         } // end of while
 235
 236         if ( paneChanged )
 237         {
 238             wxClientDC dc( &mpLayout->GetParentFrame() );
 239             pane.PaintPaneDecorations( dc );
 240         }
 241
 242     } // end of for
 243
 244     if ( clientWindowChanged )
 245     {
 246         mpLayout->PositionClientWindow();
 247         // ptr to client-window object is "marked" as 0
 248     }
 249
 250     // step #2 - do ordered refreshing and resizing of bar window objects now
 251
 252     wxNode* pNode     = mBarsToRefresh.GetFirst();
 253     wxNode* pPaneNode = mPanesList.GetFirst();
 254
 255     while( pNode )
 256     {
 257         cbBarInfo*  pBar  = (cbBarInfo*) pNode->GetData();
 258         cbDockPane* pPane = (cbDockPane*)pPaneNode->GetData();
 259
 260         pPane->SizeBar( pBar );
 261
 262         pNode     = pNode->GetNext();
 263         pPaneNode = pPaneNode->GetNext();
 264     }
 265
 266     pNode = mBarsToRefresh.GetFirst();
 267
 268     while( pNode )
 269     {
 270         cbBarInfo* pBar = (cbBarInfo*)pNode->GetData();
 271
 272         if ( pBar->mpBarWnd )
 273         {
 274             pBar->mpBarWnd->Refresh();
 275
 276             // FIXME::
 277             //info.mpBarWnd->Show(false);
 278             //info.mpBarWnd->Show(true);
 279         }
 280
 281         pNode  = pNode->GetNext();
 282     }
 283
 284     if ( clientWindowChanged )
 285     {
 286         // FIXME:: excessive?
 287
 288         mpLayout->GetFrameClient()->Refresh();
 289     }
 290 }
 291
 292