added patch for freecell mode by radofan, closes bug 736, i hope it helps

4 files changed, 90 insertions, 2 deletions

diff --git a/noncore/games/solitaire/canvascardgame.cpp b/noncore/games/solitaire/canvascardgame.cpp
index 8e07cc8..8250193 100644
--- a/noncore/games/solitaire/canvascardgame.cpp
+++ b/noncore/games/solitaire/canvascardgame.cpp
@@ -327,12 +327,13 @@ void CanvasCardGame::contentsMouseReleaseEvent(QMouseEvent *e)
                                 c = oldPile->cardInfront(item);
                                 oldPile->removeCard(item);
                             }    
-                            pile->addCardToTop(item);
                             item->setCardPile(pile);
                             //item->move( pile->getCardPos(item) );
+                            pile->addCardToTop(item);
                             QPoint p = pile->getCardPos(item);
                             item->setPos( p.x(), p.y(), highestZ );
                             highestZ++;
+                                checkUnusable();   // added for freecell to move card to discard pile
 
                             if (item->getValue() == king && haveWeWon()) {
                                 alphaCardPile->hide();
diff --git a/noncore/games/solitaire/canvascardgame.h b/noncore/games/solitaire/canvascardgame.h
index 0dfb85e..d159de6 100644
--- a/noncore/games/solitaire/canvascardgame.h
+++ b/noncore/games/solitaire/canvascardgame.h
@@ -78,6 +78,7 @@ protected:
     void contentsMousePressEvent(QMouseEvent *e);
     void contentsMouseReleaseEvent(QMouseEvent *e);
     void contentsMouseMoveEvent(QMouseEvent *e);
+                virtualvoid checkUnusable() { }  //added for freecell
 
 protected:
     // Mouse event state variables
diff --git a/noncore/games/solitaire/freecellcardgame.cpp b/noncore/games/solitaire/freecellcardgame.cpp
index 98415aa..aeb32fc 100644
--- a/noncore/games/solitaire/freecellcardgame.cpp
+++ b/noncore/games/solitaire/freecellcardgame.cpp
@@ -69,6 +69,89 @@ void FreecellCardGame::deal(void)
     endDealing();
 }
 
+        // checks if smaller card with different color, that could be put on top on the
+        // card, is present in working or freecell pile
+bool FreecellCardGame::checkNeeded(Card *card)
+{
+        if (card->getValue() > 2){
+                int i;
+                Card *c;
+                for (i=0;i<4;i++){
+                        c = freecellPiles[i]->cardOnBottom();
+                        if (c != NULL){
+                                if (card->isRed()!= c->isRed() && card->getValue()== c->getValue()+1){
+                                        return (false); 
+                                }
+                        }
+                }
+                for (i=0;i<8;i++){
+                        c=workingPiles[i]->cardOnBottom();
+                        while (c!=NULL){
+                                        if (card->isRed() != c->isRed()&& card->getValue() == c->getValue()+1) {
+                                        return (false);
+                                }
+                                c=workingPiles[i]->cardInfront(c);
+                        }
+                }
+        }
+        return(true);
+}
+        
+//  added to move cards, on which no card can be moved, to discard pile 
+void FreecellCardGame::checkUnusable()
+{
+        int i,j;
+        //printf("void FreecellCardGame::checkUnusable()\n");
+        Card *top_one;
+        for (i=0;i < 8;i++)
+        {
+                top_one = workingPiles[i]->cardOnTop();
+                if (top_one != NULL)
+                {
+                        j = 0;
+                        while ((j < 4))
+                        {
+                                if (discardPiles[j]->isAllowedOnTop(top_one)){
+                                        if (checkNeeded(top_one)){
+                                                top_one->setCardPile(discardPiles[j]);
+                                                workingPiles[i]->removeCard(top_one);
+        //                                      printf("k %d f work%d to disk%d on %d\n ",top_one->getValue(),i+1,j+1,highestZ);
+                                                discardPiles[j]->addCardToTop(top_one);
+                                                top_one->setPos(discardPiles[j]->getX(),discardPiles[j]->getY(),highestZ);
+                                                highestZ++;
+                                                j = 4;
+                                                checkUnusable();
+                                        }
+                                }
+                                j++;
+                        }
+                } 
+        }
+        for (i=0;i<4;i++){
+                top_one = freecellPiles[i]->cardOnTop();
+                if (top_one != NULL)
+                {
+                        j = 0;
+                        while ((j < 4))
+                        {
+                                if (discardPiles[j]->isAllowedOnTop(top_one)){
+                                        if (checkNeeded(top_one)){
+                                                top_one->setCardPile(discardPiles[j]);
+                                                freecellPiles[i]->removeCard(top_one);
+        //                                      printf("k %d f work%d to disk%d on %d\n ",top_one->getValue(),i+1,j+1,highestZ);
+                                                discardPiles[j]->addCardToTop(top_one);
+                                                top_one->setPos(discardPiles[j]->getX(),discardPiles[j]->getY(),highestZ);
+                                                highestZ++;
+                                                j = 4;
+                                                checkUnusable();
+                                        }
+                                }
+                                j++;
+                        }
+                } 
+                }       
+}
+
 
 bool FreecellCardGame::mousePressCard( Card *c, QPoint p )
 {
diff --git a/noncore/games/solitaire/freecellcardgame.h b/noncore/games/solitaire/freecellcardgame.h
index f1b09ab..2df751b 100644
--- a/noncore/games/solitaire/freecellcardgame.h
+++ b/noncore/games/solitaire/freecellcardgame.h
@@ -46,7 +46,7 @@ public:
         if ( cardOnBottom() == NULL ) {
             int numberOfCardsBeingMoved = 0;
             Card *tempCard = card;
-
+            
             while ((tempCard != NULL)) {
                 numberOfCardsBeingMoved++;
                 tempCard = cardInfront(tempCard); 
@@ -62,6 +62,7 @@ public:
                 return PatienceWorkingPile::isAllowedOnTop( card );
     }
     
+
     virtual bool isAllowedToBeMoved(Card *card) {
         int nextExpectedValue = (int)card->getValue();
         bool nextExpectedColor = card->isRed();
@@ -138,10 +139,12 @@ public:
     virtual bool mousePressCard(Card *card, QPoint p);
     virtual void mouseReleaseCard(Card *card, QPoint p) { Q_UNUSED(card); Q_UNUSED(p); }
 //    virtual void mouseMoveCard(Card *card, QPoint p) { Q_UNUSED(card); Q_UNUSED(p); }
+     virtual void checkUnusable();
     void readConfig( Config& cfg );
     void writeConfig( Config& cfg );
     bool snapOn;
 private:
+    bool checkNeeded(Card *card);
     FreecellFreecellPile *freecellPiles[8];
     FreecellWorkingPile *workingPiles[8];
     FreecellDiscardPile *discardPiles[4];