contrib/src/fl/updatesmgr.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        No names yet.
   3 // Purpose:     Contrib. demo
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     19/10/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:     wxWindows license
  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* pRow, cbDockPane* pInPane )
 106 {
 107         // -/-
 108 }
 109
 110 void cbSimpleUpdatesMgr::OnBarWillChange( cbBarInfo* pBar,
 111                                                                                   cbRowInfo* pInRow, cbDockPane* pInPane )
 112 {
 113         // -/-
 114 }
 115
 116 void cbSimpleUpdatesMgr::OnPaneMarginsWillChange( cbDockPane* pPane )
 117 {
 118         // -/-
 119 }
 120
 121 void cbSimpleUpdatesMgr::OnPaneWillChange( cbDockPane* 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.First();
 253         wxNode* pPaneNode = mPanesList.First();
 254
 255         while( pNode )
 256         {
 257                 cbBarInfo*  pBar  = (cbBarInfo*) pNode->Data();
 258                 cbDockPane* pPane = (cbDockPane*)pPaneNode->Data();
 259
 260                 pPane->SizeBar( pBar );
 261
 262                 pNode     = pNode->Next();
 263                 pPaneNode = pPaneNode->Next();
 264         }
 265
 266         pNode = mBarsToRefresh.First();
 267
 268         while( pNode )
 269         {
 270                 cbBarInfo* pBar = (cbBarInfo*)pNode->Data();
 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->Next();
 282         }
 283
 284         if ( clientWindowChanged )
 285         {
 286                 // FIXME:: excessive?
 287
 288                 mpLayout->GetFrameClient()->Refresh();
 289         }
 290 }
 291