drag fix in agenda

1 files changed, 86 insertions, 93 deletions

diff --git a/korganizer/koagenda.cpp b/korganizer/koagenda.cpp
index ec81d44..e8b7c94 100644
--- a/korganizer/koagenda.cpp
+++ b/korganizer/koagenda.cpp
@@ -302,485 +302,478 @@ void KOAgenda::init()
 
   calculateWorkingHours();
 
   connect(verticalScrollBar(),SIGNAL(valueChanged(int)),
           SLOT(checkScrollBoundaries(int)));
 
   // Create the Marcus Bains line.
   if(mAllDayMode)
       mMarcusBains = 0;
   else {
       mMarcusBains = new MarcusBains(this);
       addChild(mMarcusBains);
   }
 }
 
 void KOAgenda::clear()
 {
   KOAgendaItem *item;
   for ( item=mItems.first(); item != 0; item=mItems.next() ) {
     mUnusedItems.append( item );
     //item->hide();
   }
   mItems.clear();
   mSelectedItem = 0;
   clearSelection();
 }
 
 void KOAgenda::clearSelection()
 {
   mSelectionCellX = 0;
   mSelectionYTop = 0;
   mSelectionHeight = 0;
 }
 
 void KOAgenda::marcus_bains()
 {
     if(mMarcusBains) mMarcusBains->updateLocation(true);
 }
 
 
 void KOAgenda::changeColumns(int columns)
 {
   if (columns == 0) {
     kdDebug() << "KOAgenda::changeColumns() called with argument 0" << endl;
     return;
   }
 
   clear();
   
   mColumns = columns;
 //  setMinimumSize(mColumns * 10, mGridSpacingY + 1);
 //  init();
 //  update();
   //qDebug("KOAgenda::changeColumns ");
     computeSizes();
     // QResizeEvent event( size(), size() );
 
     //QApplication::sendEvent( this, &event );
 }
 
 /*
   This is the eventFilter function, which gets all events from the KOAgendaItems
   contained in the agenda. It has to handle moving and resizing for all items.
 */
 bool KOAgenda::eventFilter ( QObject *object, QEvent *event )
 {
 //  kdDebug() << "KOAgenda::eventFilter" << endl;
   switch(event->type()) {
     case QEvent::MouseButtonPress:
     case QEvent::MouseButtonDblClick:
     case QEvent::MouseButtonRelease:
     case QEvent::MouseMove:
       return eventFilter_mouse(object, static_cast<QMouseEvent *>(event));
 
     case (QEvent::Leave):
       if (!mActionItem)
         setCursor(arrowCursor);
       return true;
 
     default:
       return QScrollView::eventFilter(object,event);
   }
 }
 
 
 bool KOAgenda::eventFilter_mouse(QObject *object, QMouseEvent *me)
 {
     //qDebug("KOAgenda::eventFilter_mous ");
     QPoint viewportPos;
     if (object != viewport()) {
         viewportPos = ((QWidget *)object)->mapToParent(me->pos());
     } else {
         viewportPos = me->pos();
     }
     static int startX = 0;
     static int startY = 0;
-    static bool block = true;
+    static int blockmoveDist = ( QApplication::desktop()->width() < 480 ? 15 : 20 );
+    static bool blockMoving = true;
+    static bool leftMouseDown = false;
+    static bool rightMouseDown = false;
     switch (me->type())  {
     case QEvent::MouseButtonPress:
-        //qDebug("QEvent::MouseButtonPress: ");
-        //        kdDebug() << "koagenda: filtered button press" << endl;
+        if (me->button() == LeftButton) 
+            leftMouseDown = true;
+        else if (me->button() == RightButton) 
+            rightMouseDown = true;
+        blockMoving = true;
+        startX = viewportPos.x();
+        startY = viewportPos.y(); 
         if (object != viewport()) {
             if (me->button() == RightButton) {
                 mClickedItem = (KOAgendaItem *)object;
                 if (mClickedItem) {
                     selectItem(mClickedItem);
-                    // emit showIncidencePopupSignal(mClickedItem->incidence());
                 }
-                //mItemPopup->popup(QCursor::pos());
-            } else {
+            } else if (me->button() == LeftButton) {
                 mActionItem = (KOAgendaItem *)object;
                 if (mActionItem) {
                     if ( mSelectionHeight > 0 ) { 
                         int selectionCellX = mSelectionCellX * mGridSpacingX;
                         int selectionYTop = mSelectionYTop;
                         int gridSpacingX = mGridSpacingX;
                         int selectionHeight = mSelectionHeight;
                         clearSelection();
                         repaintContents( selectionCellX, selectionYTop,
                                          gridSpacingX, selectionHeight,false );
                     }
                     selectItem(mActionItem);
                     Incidence *incidence = mActionItem->incidence();
                     if ( incidence->isReadOnly() /*|| incidence->recurrence()->doesRecur() */) {
                         mActionItem = 0;
                     } else {
                         startItemAction(viewportPos);
-                        startX = viewportPos.x();
-                        startY = viewportPos.y(); 
-                        block = true;
                     }
                 }
             }
-        } else {
+        } else { // ---------- viewport()
             selectItem(0);
             mActionItem = 0;
-            if (me->button() == RightButton ) {
-                blockNewEvent = true;
-                block = false;
-            } else {
-                blockNewEvent = false;
+            if (me->button() == LeftButton ) {
                 setCursor(arrowCursor);
                 startSelectAction(viewportPos);
             }
         }
         break;
 
     case QEvent::MouseButtonRelease:
-        //qDebug("QEvent::MouseButtonRelease: %d",blockNewEvent );
-        if (me->button() == RightButton && blockNewEvent && !block) {
-            int x,y;
-            viewportToContents(viewportPos.x(),viewportPos.y(),x,y);
-            int gx,gy;
-            contentsToGrid(x,y,gx,gy);
-            if ( object == viewport() ) {
-                if (  mCurrentCellY < mStartCellY +1 ) {
-                    //qDebug("mCurrentCellY %d mStartCellY %d ", mCurrentCellY,mStartCellY);
+        if (object != viewport()) { 
+            if (me->button() == RightButton) {
+                if ( blockMoving ) {
+                    mClickedItem = (KOAgendaItem *)object;
+                    if (mActionItem ) {
+                        endItemAction();
+                    }
+                    leftMouseDown = false; // no more leftMouse computation
+                    if (mClickedItem) {
+                        selectItem(mClickedItem);
+                        emit showIncidencePopupSignal(mClickedItem->incidence());
+                    } 
+                }
+            } else if (me->button() == LeftButton && leftMouseDown) {
+                if (mActionItem) {  
+                    QPoint clipperPos = clipper()->mapFromGlobal(viewport()->mapToGlobal(viewportPos));
+                    //qDebug(" %d %d %d  ",clipperPos.y(),visibleHeight() , 9  );
+                    if ( mActionType == MOVE && (clipperPos.y() > visibleHeight()-2 ||clipperPos.y() < 0 ) ) {
+                        mScrollUpTimer.stop();
+                        mScrollDownTimer.stop();
+                        mActionItem->resetMove();
+                        placeSubCells( mActionItem );
+                        // emit startDragSignal( mActionItem->incidence() );
+                        setCursor( arrowCursor );
+                        mActionItem = 0;
+                        mActionType = NOP;
+                        mItemMoved = 0;
+                        return true;
+                    }
+                    endItemAction();
+                }
+            }
+            
+        } else { // ---------- viewport()
+            if (me->button() == RightButton) { //right click
+                if ( blockMoving ) { // we did mot moved the mouse much - popup menu
+                    if ( leftMouseDown ) { // we have a simulated right click - clear left mouse action
+                        endSelectAction( false ); // do not emit new event signal
+                        leftMouseDown = false; // no more leftMouse computation
+                    }
+                    int x,y;
+                    viewportToContents(viewportPos.x(),viewportPos.y(),x,y);
+                    int gx,gy;
+                    contentsToGrid(x,y,gx,gy); 
                     mCurrentCellX = gx;
                     mCurrentCellY = gy;
                     mStartCellX = gx;
                     mStartCellY = gy;
                     mNewItemPopup->popup( viewport()->mapToGlobal( me->pos() ) );
-                    break;
-                } else {
-                    blockNewEvent = false;
                 }
-            } else {
-                mClickedItem = (KOAgendaItem *)object;
-                if (mActionItem ) {
-                    endItemAction();
-                }
-                if (mClickedItem) {
-                    selectItem(mClickedItem);
-                    emit showIncidencePopupSignal(mClickedItem->incidence());
-                } 
-            }
-        } else if (me->button() == RightButton && block ) {
-            if (object != viewport()) {
-                mClickedItem = (KOAgendaItem *)object;
-                if (mActionItem ) {
-                    endItemAction();
-                }
-                if (mClickedItem) {
-                    selectItem(mClickedItem);
-                    emit showIncidencePopupSignal(mClickedItem->incidence());
-                } 
-            } 
-            break;
-        }
-        block = true;
-        if (mActionItem) {  
-            QPoint clipperPos = clipper()->mapFromGlobal(viewport()->mapToGlobal(viewportPos));
-            //qDebug(" %d %d %d  ",clipperPos.y(),visibleHeight() , 9  );
-            if ( mActionType == MOVE && (clipperPos.y() > visibleHeight()-2 ||clipperPos.y() < 0 ) ) {
-                mScrollUpTimer.stop();
-                mScrollDownTimer.stop();
-                mActionItem->resetMove();
-                placeSubCells( mActionItem );
-                // emit startDragSignal( mActionItem->incidence() );
-                setCursor( arrowCursor );
-                mActionItem = 0;
-                mActionType = NOP;
-                mItemMoved = 0;
-                return true;
             }
-            endItemAction();
-        } else   if ( mActionType == SELECT ) {
-            if (me->button() == RightButton ) {
-            } else {
-                endSelectAction( !blockNewEvent   );
+            else if (me->button() == LeftButton && leftMouseDown ) { //left click
+                endSelectAction( true ); // emit new event signal
             }
         }
+        if (me->button() == LeftButton) 
+            leftMouseDown = false;
+        else if (me->button() == RightButton) 
+            rightMouseDown = false;
         break;
 
     case QEvent::MouseMove:
+        if ( !rightMouseDown && !leftMouseDown )
+            return true;
+        if ( blockMoving ) {
+            int dX, dY; 
+            dX = startX - viewportPos.x();
+            if ( dX < 0   )
+                dX = -dX;
+            dY = viewportPos.y() - startY;
+            if ( dY < 0 )
+                dY = -dY;
+            //qDebug("%d %d %d ", dX, dY , blockmoveDist  );
+            if (  dX > blockmoveDist  || dY > blockmoveDist  ) {
+                blockMoving = false;
+            }
+        }
         if (object != viewport()) {
             KOAgendaItem *moveItem = (KOAgendaItem *)object;
-            //qDebug("moveItem %d ",moveItem );
-            if (!moveItem->incidence()->isReadOnly() /*&&
-                                                       !moveItem->incidence()->recurrence()->doesRecur()*/ )
+            if (!moveItem->incidence()->isReadOnly()  ) {
                 if (!mActionItem)
                     setNoActionCursor(moveItem,viewportPos);
                 else {
-                    if ( block ) {
-                        int dX, dY; 
-                        dX = startX - viewportPos.x();
-                        if ( dX < 0   )
-                            dX = -dX;
-                        dY = viewportPos.y() - startY;
-                        if ( dY < 0 )
-                            dY = -dY;
-                        int diff = 30;
-                        if ( QApplication::desktop()->width() < 480 )
-                            diff = 15;
-                        // qDebug(" %d %d ",dX, dY );
-                        if (  dX > diff  || dY > diff  ) {
-                            block = false;
-                        }
-                    }
-                    if ( !block )
+                    if ( !blockMoving )
                         performItemAction(viewportPos);
                 }
-        } else {
+            }
+        } else { // ---------- viewport()
             if ( mActionType == SELECT ) {
                 performSelectAction( viewportPos );
             }
         }
         break;
 
     case QEvent::MouseButtonDblClick:
         if (object == viewport()) {
             selectItem(0);
             int x,y;
             viewportToContents(viewportPos.x(),viewportPos.y(),x,y);
             int gx,gy;
             contentsToGrid(x,y,gx,gy);
             emit newEventSignal(gx,gy);
         } else {
             KOAgendaItem *doubleClickedItem = (KOAgendaItem *)object;
             selectItem(doubleClickedItem);
             if ( KOPrefs::instance()->mEditOnDoubleClick )
                 emit editIncidenceSignal(doubleClickedItem->incidence());
             else
                 emit showIncidenceSignal(doubleClickedItem->incidence());
         }
         break;
 
     default:
         break;
     }
-
     return true;
 }
 
 void KOAgenda::newItem( int item )
 {
     if ( item == 1 ) { //new event
         newEventSignal(mStartCellX ,mStartCellY  );
     } else
         if ( item == 2 ) { //new event
             newTodoSignal(mStartCellX ,mStartCellY  );
         } else 
             {
                 QDate day = mSelectedDates[mStartCellX];
                 emit showDateView( item, day );
                 // 3Day view
                 // 4Week view
                 // 5Month view
                 // 6Journal view
             }
 }
 void KOAgenda::startSelectAction(QPoint viewportPos)
 {
     //emit newStartSelectSignal();
 
   mActionType = SELECT;
 
   int x,y;
   viewportToContents(viewportPos.x(),viewportPos.y(),x,y);
   int gx,gy;
   contentsToGrid(x,y,gx,gy);
 
   mStartCellX = gx;
   mStartCellY = gy;
   mCurrentCellX = gx;
   mCurrentCellY = gy;
 
   // Store coordinates of old selection
   int selectionX = mSelectionCellX * mGridSpacingX;
   int selectionYTop = mSelectionYTop;
   int selectionHeight = mSelectionHeight;
 
   // Store new selection
   mSelectionCellX = gx;
   mSelectionYTop = gy * mGridSpacingY;
   mSelectionHeight = mGridSpacingY;
   
   // Clear old selection
   repaintContents( selectionX, selectionYTop,
                    mGridSpacingX, selectionHeight,false );
 
   // Paint new selection
   //  repaintContents( mSelectionCellX * mGridSpacingX, mSelectionYTop,
   //               mGridSpacingX, mSelectionHeight );
 }
 
 void KOAgenda::performSelectAction(QPoint viewportPos)
 {
   int x,y;
   viewportToContents(viewportPos.x(),viewportPos.y(),x,y);
   int gx,gy;
   contentsToGrid(x,y,gx,gy);
 
   QPoint clipperPos = clipper()->
                       mapFromGlobal(viewport()->mapToGlobal(viewportPos));
   
   // Scroll if cursor was moved to upper or lower end of agenda.
   if (clipperPos.y() < mScrollBorderWidth) {
     mScrollUpTimer.start(mScrollDelay);
   } else if (visibleHeight() - clipperPos.y() <
              mScrollBorderWidth) {
     mScrollDownTimer.start(mScrollDelay);
   } else {
     mScrollUpTimer.stop();
     mScrollDownTimer.stop();
   }
 
   if ( gy > mCurrentCellY ) {
     mSelectionHeight = ( gy + 1 ) * mGridSpacingY - mSelectionYTop;
 
 #if 0
     // FIXME: Repaint only the newly selected region
     repaintContents( mSelectionCellX * mGridSpacingX,
                      mCurrentCellY + mGridSpacingY,
                      mGridSpacingX,
                      mSelectionHeight - ( gy - mCurrentCellY - 1 ) * mGridSpacingY );
 #else
     repaintContents( (KOGlobals::self()->reverseLayout() ?
                      mColumns - 1 - mSelectionCellX : mSelectionCellX) *
                      mGridSpacingX, mSelectionYTop,
                      mGridSpacingX, mSelectionHeight , false);
 #endif
 
     mCurrentCellY = gy;
   } else if ( gy < mCurrentCellY ) {
     if ( gy >= mStartCellY ) {
       int selectionHeight = mSelectionHeight;
       mSelectionHeight = ( gy + 1 ) * mGridSpacingY - mSelectionYTop;
 
       repaintContents( (KOGlobals::self()->reverseLayout() ?
                        mColumns - 1 - mSelectionCellX : mSelectionCellX) *
                        mGridSpacingX, mSelectionYTop,
                        mGridSpacingX, selectionHeight,false );
     
       mCurrentCellY = gy;
     } else {
     }
   }
 }
 
 void KOAgenda::endSelectAction( bool emitNewEvent )
 {
   mActionType = NOP;
   mScrollUpTimer.stop();
   mScrollDownTimer.stop();
   
   emit newTimeSpanSignal(mStartCellX,mStartCellY,mCurrentCellX,mCurrentCellY);
-  if ( emitNewEvent && mStartCellY < mCurrentCellY )
+  if ( emitNewEvent && mStartCellY < mCurrentCellY ) {
+      qDebug("ew event signal ");
       emit newEventSignal(mStartCellX,mStartCellY,mCurrentCellX,mCurrentCellY);
+  }
 }
 
 void KOAgenda::startItemAction(QPoint viewportPos)
 {
   int x,y;
   viewportToContents(viewportPos.x(),viewportPos.y(),x,y);
   int gx,gy;
   contentsToGrid(x,y,gx,gy);
 
   mStartCellX = gx;
   mStartCellY = gy;
   mCurrentCellX = gx;
   mCurrentCellY = gy;
 
   if (mAllDayMode) {
     int gridDistanceX = (x - gx * mGridSpacingX);
     if (gridDistanceX < mResizeBorderWidth &&
         mActionItem->cellX() == mCurrentCellX) {
       mActionType = RESIZELEFT;
       setCursor(sizeHorCursor);
     } else if ((mGridSpacingX - gridDistanceX) < mResizeBorderWidth &&
                mActionItem->cellXWidth() == mCurrentCellX) {
       mActionType = RESIZERIGHT;
       setCursor(sizeHorCursor);
     } else {
       mActionType = MOVE;
       mActionItem->startMove();
       setCursor(sizeAllCursor);
     }
   } else {
     int gridDistanceY = (y - gy * mGridSpacingY);
     bool allowResize = ( mActionItem->incidence()->type() != "Todo" );
     if (allowResize && gridDistanceY < mResizeBorderWidth &&
         mActionItem->cellYTop() == mCurrentCellY &&
         !mActionItem->firstMultiItem()) {
       mActionType = RESIZETOP;
       setCursor(sizeVerCursor);
     } else if (allowResize &&(mGridSpacingY - gridDistanceY) < mResizeBorderWidth &&
                mActionItem->cellYBottom() == mCurrentCellY &&
                !mActionItem->lastMultiItem())  {
       mActionType = RESIZEBOTTOM;
       setCursor(sizeVerCursor);
     } else {
       mActionType = MOVE;
       mActionItem->startMove();
       setCursor(sizeAllCursor);
     }
   }
 }
 
 void KOAgenda::performItemAction(QPoint viewportPos)
 {
 //  kdDebug() << "viewportPos: " << viewportPos.x() << "," << viewportPos.y() << endl;
 //  QPoint point = viewport()->mapToGlobal(viewportPos);
 //  kdDebug() << "Global: " << point.x() << "," << point.y() << endl;
 //  point = clipper()->mapFromGlobal(point);
 //  kdDebug() << "clipper: " << point.x() << "," << point.y() << endl;
 //  kdDebug() << "visible height: " << visibleHeight() << endl;
   int x,y;
   viewportToContents(viewportPos.x(),viewportPos.y(),x,y);
 //  kdDebug() << "contents: " << x << "," << y << "\n" << endl;
   int gx,gy;
   contentsToGrid(x,y,gx,gy);
   QPoint clipperPos = clipper()->
                       mapFromGlobal(viewport()->mapToGlobal(viewportPos));
 
   // Cursor left active agenda area.
   // This starts a drag.
   if ( /*clipperPos.y() < 0 || clipperPos.y() > visibleHeight() ||*/
        clipperPos.x() < 0 || clipperPos.x() > visibleWidth() ) {
     if ( mActionType == MOVE ) {
       mScrollUpTimer.stop();
       mScrollDownTimer.stop();
       mActionItem->resetMove();
       placeSubCells( mActionItem );
       // emit startDragSignal( mActionItem->incidence() );
       setCursor( arrowCursor );
       mActionItem = 0;
       mActionType = NOP;
       mItemMoved = 0;
       return;
     }
   } else {
     switch ( mActionType ) {
       case MOVE:
         setCursor( sizeAllCursor );
         break;
       case RESIZETOP:
       case RESIZEBOTTOM:
         setCursor( sizeVerCursor );
         break;
       case RESIZELEFT:
       case RESIZERIGHT:
         setCursor( sizeHorCursor );
         break;
       default: