| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gcupdatesmgr.cpp |
| 3 | // Purpose: cbGCUpdatesMgr class, optimizing refresh using GarbageCollector |
| 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 "gcupdatesmgr.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/gcupdatesmgr.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 | // helper structure |
| 45 | |
| 46 | struct cbRectInfo |
| 47 | { |
| 48 | cbBarInfo* mpBar; |
| 49 | cbDockPane* mpPane; |
| 50 | wxRect* mpCurBounds; |
| 51 | wxRect* mpPrevBounds; |
| 52 | }; |
| 53 | |
| 54 | static inline cbRectInfo& node_to_rect_info( wxNode* pNode ) |
| 55 | { |
| 56 | return *( (cbRectInfo*) (pNode->GetData()) ); |
| 57 | } |
| 58 | |
| 59 | /***** Implementation for class cbSimpleUpdatesMgr *****/ |
| 60 | |
| 61 | IMPLEMENT_DYNAMIC_CLASS( cbGCUpdatesMgr, cbSimpleUpdatesMgr ) |
| 62 | |
| 63 | cbGCUpdatesMgr::cbGCUpdatesMgr( wxFrameLayout* pPanel ) |
| 64 | : cbSimpleUpdatesMgr( pPanel ) |
| 65 | {} |
| 66 | |
| 67 | void cbGCUpdatesMgr::AddItem( wxList& itemList, |
| 68 | cbBarInfo* pBar, |
| 69 | cbDockPane* pPane, |
| 70 | wxRect& curBounds, |
| 71 | wxRect& prevBounds ) |
| 72 | { |
| 73 | cbRectInfo* pInfo = new cbRectInfo(); |
| 74 | |
| 75 | pInfo->mpBar = pBar; |
| 76 | pInfo->mpPane = pPane; |
| 77 | pInfo->mpCurBounds = &curBounds; |
| 78 | pInfo->mpPrevBounds = &prevBounds; |
| 79 | |
| 80 | itemList.Append( (wxObject*) pInfo ); |
| 81 | } |
| 82 | |
| 83 | void cbGCUpdatesMgr::OnStartChanges() |
| 84 | { |
| 85 | // memorize states of ALL items in the layout - |
| 86 | // this is quite excessive, but OK for the decent |
| 87 | // implementation of updates manager |
| 88 | |
| 89 | mpLayout->GetPrevClientRect() = mpLayout->GetClientRect(); |
| 90 | |
| 91 | cbDockPane** panes = mpLayout->GetPanesArray(); |
| 92 | |
| 93 | for( int n = 0; n != MAX_PANES; ++n ) |
| 94 | { |
| 95 | cbDockPane& pane = *(panes[n]); |
| 96 | |
| 97 | // store pane state |
| 98 | pane.mUMgrData.StoreItemState( pane.mBoundsInParent ); |
| 99 | pane.mUMgrData.SetDirty( false ); |
| 100 | |
| 101 | cbRowInfo* pRow = pane.GetFirstRow(); |
| 102 | |
| 103 | while ( pRow ) |
| 104 | { |
| 105 | cbBarInfo* pBar = pRow->GetFirstBar(); |
| 106 | |
| 107 | // store row state |
| 108 | pRow->mUMgrData.StoreItemState( pRow->mBoundsInParent ); |
| 109 | pRow->mUMgrData.SetDirty( false ); |
| 110 | |
| 111 | while( pBar ) |
| 112 | { |
| 113 | // store bar state |
| 114 | pBar->mUMgrData.StoreItemState( pBar->mBoundsInParent ); |
| 115 | pBar->mUMgrData.SetDirty( false ); |
| 116 | |
| 117 | pBar = pBar->mpNext; |
| 118 | } |
| 119 | |
| 120 | pRow = pRow->mpNext; |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | void cbGCUpdatesMgr::UpdateNow() |
| 126 | { |
| 127 | cbDockPane** panes = mpLayout->GetPanesArray(); |
| 128 | |
| 129 | wxRect& r1 = mpLayout->GetClientRect(); |
| 130 | wxRect& r2 = mpLayout->GetPrevClientRect(); |
| 131 | |
| 132 | // detect changes in client window's area |
| 133 | |
| 134 | bool clientWindowChanged = ( r1.x != r2.x || |
| 135 | r1.y != r2.y || |
| 136 | r1.width != r2.width || |
| 137 | r1.height != r2.height ); |
| 138 | |
| 139 | // step #1 - detect changes in each row of each pane, |
| 140 | // and repaint decorations around changed windows |
| 141 | |
| 142 | wxList mBarsToResize; |
| 143 | |
| 144 | int n; |
| 145 | for ( n = 0; n != MAX_PANES; ++n ) |
| 146 | { |
| 147 | cbDockPane& pane = *(panes[n]); |
| 148 | |
| 149 | bool paneChanged = WasChanged( pane.mUMgrData, pane.mBoundsInParent ); |
| 150 | |
| 151 | if ( paneChanged ) |
| 152 | { |
| 153 | wxClientDC dc( &mpLayout->GetParentFrame() ); |
| 154 | pane.PaintPaneBackground( dc ); |
| 155 | } |
| 156 | |
| 157 | wxRect realBounds; |
| 158 | |
| 159 | cbRowInfo* pRow = pane.GetFirstRow(); |
| 160 | |
| 161 | while ( pRow ) |
| 162 | { |
| 163 | wxDC* pDc = 0; |
| 164 | |
| 165 | cbBarInfo* pBar = pRow->GetFirstBar(); |
| 166 | |
| 167 | bool rowChanged = false; |
| 168 | // bool rowBkPainted = false; |
| 169 | |
| 170 | // FIXME:: the below should not be fixed |
| 171 | cbBarInfo* barsToRepaint[128]; |
| 172 | // number of bars, that were changed in the current row |
| 173 | int nBars = 0; |
| 174 | |
| 175 | //wxRect r1 = pRow->mUMgrData.mPrevBounds; |
| 176 | //wxRect r2 = pRow->mBoundsInParent; |
| 177 | |
| 178 | if ( WasChanged( pRow->mUMgrData, pRow->mBoundsInParent ) ) |
| 179 | |
| 180 | rowChanged = true; |
| 181 | else |
| 182 | while( pBar ) |
| 183 | { |
| 184 | if ( WasChanged( pBar->mUMgrData, pBar->mBoundsInParent ) ) |
| 185 | |
| 186 | barsToRepaint[nBars++] = pBar; |
| 187 | |
| 188 | pBar = pBar->mpNext; |
| 189 | } |
| 190 | |
| 191 | if ( nBars || rowChanged ) |
| 192 | { |
| 193 | realBounds = pRow->mBoundsInParent; |
| 194 | |
| 195 | // include 1-pixel thick shades around the row |
| 196 | realBounds.x -= 1; |
| 197 | realBounds.y -= 1; |
| 198 | realBounds.width += 2; |
| 199 | realBounds.height += 2; |
| 200 | |
| 201 | pDc = pane.StartDrawInArea( realBounds ); |
| 202 | } |
| 203 | |
| 204 | if ( rowChanged ) |
| 205 | { |
| 206 | // postphone the resizement and refreshing the changed |
| 207 | // bar windows |
| 208 | |
| 209 | cbBarInfo* pCurBar = pRow->GetFirstBar(); |
| 210 | |
| 211 | while ( pCurBar ) |
| 212 | { |
| 213 | if ( WasChanged( pCurBar->mUMgrData, |
| 214 | pCurBar->mBoundsInParent ) ) |
| 215 | |
| 216 | AddItem( mBarsToResize, pCurBar, &pane, |
| 217 | pCurBar->mBoundsInParent, |
| 218 | pCurBar->mUMgrData.mPrevBounds ); |
| 219 | |
| 220 | pCurBar = pCurBar->mpNext; |
| 221 | } |
| 222 | |
| 223 | // draw only their decorations now |
| 224 | |
| 225 | pane.PaintRow( pRow, *pDc ); |
| 226 | } |
| 227 | else |
| 228 | if ( nBars != 0 ) |
| 229 | { |
| 230 | for ( int i = 0; i != nBars; ++i ) |
| 231 | |
| 232 | // postphone the resizement and refreshing the changed |
| 233 | // bar windows |
| 234 | |
| 235 | AddItem( mBarsToResize, |
| 236 | barsToRepaint[i], |
| 237 | &pane, |
| 238 | barsToRepaint[i]->mBoundsInParent, |
| 239 | barsToRepaint[i]->mUMgrData.mPrevBounds ); |
| 240 | |
| 241 | // redraw decorations of entire row, regardless of how much |
| 242 | // of the bars were changed |
| 243 | |
| 244 | pane.PaintRow( pRow, *pDc ); |
| 245 | } |
| 246 | |
| 247 | if ( pDc ) |
| 248 | |
| 249 | pane.FinishDrawInArea( realBounds ); |
| 250 | |
| 251 | pRow = pRow->mpNext; |
| 252 | |
| 253 | } // end of while |
| 254 | |
| 255 | if ( paneChanged ) |
| 256 | { |
| 257 | wxClientDC dc( &mpLayout->GetParentFrame() ); |
| 258 | pane.PaintPaneDecorations( dc ); |
| 259 | } |
| 260 | |
| 261 | } // end of for |
| 262 | |
| 263 | if ( clientWindowChanged && !mpLayout->mClientWndRefreshPending ) |
| 264 | { |
| 265 | // ptr to client-window object is "marked" as NULL |
| 266 | |
| 267 | AddItem( mBarsToResize, NULL, NULL, |
| 268 | mpLayout->GetClientRect(), |
| 269 | mpLayout->GetPrevClientRect() ); |
| 270 | } |
| 271 | |
| 272 | // step #2 - do ordered refreshing and resizing of bar window objects now |
| 273 | |
| 274 | DoRepositionItems( mBarsToResize ); |
| 275 | } |
| 276 | |
| 277 | void cbGCUpdatesMgr::DoRepositionItems( wxList& items ) |
| 278 | { |
| 279 | wxNode* pNode1 = items.GetFirst(); |
| 280 | |
| 281 | while( pNode1 ) |
| 282 | { |
| 283 | cbRectInfo& info = node_to_rect_info( pNode1 ); |
| 284 | |
| 285 | wxNode* pNode2 = items.GetFirst(); |
| 286 | |
| 287 | // and node itself |
| 288 | |
| 289 | mGC.AddObject( &info ); |
| 290 | |
| 291 | while( pNode2 ) |
| 292 | { |
| 293 | if ( pNode2 != pNode1 ) // node should not depend on itself |
| 294 | { |
| 295 | // Add references to objects on which this object |
| 296 | // depends. Dependency here indicates intersection of current |
| 297 | // bounds of this object with the initial bounds of the |
| 298 | // other object. |
| 299 | |
| 300 | cbRectInfo& otherInfo = node_to_rect_info( pNode2 ); |
| 301 | |
| 302 | if ( rect_hits_rect( *info.mpCurBounds, *otherInfo.mpPrevBounds ) ) |
| 303 | |
| 304 | // the node depends on node |
| 305 | mGC.AddDependency( &info, &otherInfo ); |
| 306 | } |
| 307 | |
| 308 | pNode2 = pNode2->GetNext(); |
| 309 | } |
| 310 | |
| 311 | pNode1 = pNode1->GetNext(); |
| 312 | } |
| 313 | |
| 314 | mGC.ArrangeCollection(); // order nodes according "least-dependency" rule, |
| 315 | // and find out cycled chains |
| 316 | |
| 317 | // Regular item nodes need to be resized, but not repainted (since |
| 318 | // they stand in linear (not cyclic) dependency with other |
| 319 | // regular nodes). |
| 320 | |
| 321 | wxNode* pNode = mGC.GetRegularObjects().GetFirst(); |
| 322 | |
| 323 | while ( pNode ) |
| 324 | { |
| 325 | cbRectInfo& info = *((cbRectInfo*)gc_node_to_obj(pNode)); |
| 326 | |
| 327 | if ( info.mpBar == NULL ) |
| 328 | |
| 329 | mpLayout->PositionClientWindow(); |
| 330 | else |
| 331 | info.mpPane->SizeBar( info.mpBar ); |
| 332 | |
| 333 | pNode = pNode->GetNext(); |
| 334 | } |
| 335 | |
| 336 | // cycled item nodes, need to be both resized and repainted |
| 337 | |
| 338 | pNode = mGC.GetCycledObjects().GetFirst(); |
| 339 | |
| 340 | while ( pNode ) |
| 341 | { |
| 342 | cbRectInfo& info = *((cbRectInfo*)gc_node_to_obj(pNode)); |
| 343 | |
| 344 | if ( info.mpBar == NULL ) |
| 345 | { |
| 346 | wxWindow* pClntWnd = mpLayout->GetFrameClient(); |
| 347 | |
| 348 | mpLayout->PositionClientWindow(); |
| 349 | |
| 350 | // FIXME FIXME:: excessive! |
| 351 | |
| 352 | pClntWnd->Show( false ); |
| 353 | pClntWnd->Show( true ); |
| 354 | |
| 355 | // OLD STUFF:: mpLayout->PositionClientWindow(); |
| 356 | } |
| 357 | else |
| 358 | if ( info.mpBar->mpBarWnd ) |
| 359 | { |
| 360 | wxWindow* pWnd = info.mpBar->mpBarWnd; |
| 361 | |
| 362 | // resize |
| 363 | info.mpPane->SizeBar( info.mpBar ); |
| 364 | |
| 365 | // repaint |
| 366 | |
| 367 | /* OLD STUFF:: bool isChoice = info.mpBar->IsKindOf( CLASSINFO( wxChoice ) ); |
| 368 | |
| 369 | //#ifdef __WINDOWS__ |
| 370 | //int result = ::SendMessage( (HWND)pWnd->m_hWnd, WM_NCPAINT, 0, 0 ); |
| 371 | //#endif |
| 372 | */ |
| 373 | |
| 374 | // FIXME FIXME:: there's no other way to repaint non-client area of the wxWindow!! |
| 375 | // so we do *excessive* "hide 'n show" |
| 376 | |
| 377 | pWnd->Show(false); |
| 378 | pWnd->Show(true); |
| 379 | |
| 380 | pWnd->Refresh(); |
| 381 | } |
| 382 | |
| 383 | pNode = pNode->GetNext(); |
| 384 | } |
| 385 | |
| 386 | // release data prepared for GC alg. |
| 387 | |
| 388 | pNode = items.GetFirst(); |
| 389 | |
| 390 | while( pNode ) |
| 391 | { |
| 392 | cbRectInfo* pInfo = (cbRectInfo*)(pNode->GetData()); |
| 393 | |
| 394 | delete pInfo; |
| 395 | |
| 396 | pNode = pNode->GetNext(); |
| 397 | } |
| 398 | |
| 399 | mGC.Reset(); // reinit GC |
| 400 | |
| 401 | // FIXME:: this is a dirty-workaround for messy client-area, |
| 402 | // as a result of docking bar out of floated-container window |
| 403 | |
| 404 | if ( mpLayout->mClientWndRefreshPending ) |
| 405 | { |
| 406 | mpLayout->PositionClientWindow(); |
| 407 | mpLayout->GetFrameClient()->Refresh(); |
| 408 | } |
| 409 | } |
| 410 | |