+ new feature: squeeze stack if a card placed off-screen

git-svn-id: file:///home/shlomif/Backup/svn-dumps/PySolFC/svnsync-repos/pysolfc/PySolFC/trunk@196 efabe8c0-fbe8-4139-b769-b5e6d273206e

pysollib/game.py

@@ -262,11 +262,12 @@ class Game:
 
     def initBindings(self):
         # note: a Game is only allowed to bind self.canvas and not to self.top
-        bind(self.canvas, "<2>", self.dropHandler)
         ##bind(self.canvas, "<Double-1>", self.undoHandler)
         bind(self.canvas, "<1>", self.undoHandler)
+        bind(self.canvas, "<2>", self.dropHandler)
         bind(self.canvas, "<3>", self.redoHandler)
         bind(self.canvas, '<Unmap>', self._unmapHandler)
+        bind(self.canvas, '<Configure>', self.configureHandler, add=True)
 
     def __createCommon(self, app):
         self.busy = 1
@@ -535,6 +536,9 @@ class Game:
         self.stats.update_time = time.time()
         self.busy = old_busy
         #
+        ##self.configureHandler()         # reallocateCards
+        after(self.top, 200, self.configureHandler) # wait for canvas is mapped
+        #
         if TOOLKIT == 'gtk':
             ## FIXME
             if self.top:
@@ -973,6 +977,11 @@ class Game:
         if self.app and not self.pause:
             self.app.menubar.mPause()
 
+    def configureHandler(self, event=None):
+        if not self.canvas:
+            return
+        for stack in self.allstacks:
+            stack.updatePositions()
 
     #
     # sound support

pysollib/games/bristol.py

@@ -444,8 +444,9 @@ class Interment(Game):
             x += l.XS
         x, y = l.XM, l.YM+l.YS
         for i in range(3):
-            s.xwastes.append(Interment_Waste(x, y, self,
-                                             max_cards=UNLIMITED_CARDS))
+            stack = Interment_Waste(x, y, self, max_cards=UNLIMITED_CARDS)
+            l.createText(stack, 'ne')
+            s.xwastes.append(stack)
             y += l.YS
         x, y = l.XM+1.5*l.XS, l.YM+l.YS
         for i in range(8):

pysollib/move.py

@@ -96,6 +96,8 @@ class AMoveMove(AtomicMove):
             from_stack.removeCard()
         for c in cards:
             to_stack.addCard(c)
+        from_stack.updatePositions()
+        to_stack.updatePositions()
 
     def redo(self, game):
         self._doMove(game, self.ncards, game.allstacks[self.from_stack_id],

pysollib/options.py

@@ -61,6 +61,7 @@ animations = integer(0, 5)
 redeal_animation = boolean
 win_animation = boolean
 flip_animation = boolean
+squeeze_stacks = boolean
 shadow = boolean
 shade = boolean
 shrink_face_down = boolean
@@ -187,6 +188,7 @@ class Options:
         ('redeal_animation', 'bool'),
         ('win_animation', 'bool'),
         ('flip_animation', 'bool'),
+        ('squeeze_stacks', 'bool'),
         ('shadow', 'bool'),
         ('shade', 'bool'),
         ('shrink_face_down', 'bool'),
@@ -255,6 +257,7 @@ class Options:
         self.redeal_animation = True
         self.win_animation = True
         self.flip_animation = True
+        self.squeeze_stacks = True
         self.shadow = True
         self.shade = True
         self.shrink_face_down = True

pysollib/stack.py

@@ -408,6 +408,7 @@ class Stack:
         # bottom image
         if self.is_visible:
             self.prepareBottom()
+        self.INIT_CARD_YOFFSET = self.CARD_YOFFSET # for reallocateCards
 
     # stack bottom image
     def prepareBottom(self):
@@ -859,6 +860,57 @@ class Stack:
 ##             t  = t + " (%d)" % visible
         self.texts.ncards.config(text=t)
 
+    def updatePositions(self):
+        # squeeze the stack if a cards is off-screen
+        if self.reallocateCards():
+            for c in self.cards:
+                self._position(c)
+
+    def reallocateCards(self):
+        # change CARD_YOFFSET if a cards is off-screen
+        if not self.game.app.opt.squeeze_stacks:
+            return False
+        if TOOLKIT != 'tk':
+            return False
+        if self.CARD_XOFFSET != (0,):
+            return False
+        if len(self.CARD_YOFFSET) != 1:
+            return False
+        if self.CARD_YOFFSET[0] <= 0:
+            return False
+        if len(self.cards) <= 1:
+            return False
+        if not self.canvas.winfo_ismapped():
+            return False
+        yoffset = self.CARD_YOFFSET[0]
+        cardh = self.game.app.images.CARDH / 2 # 1/2 of a card is visible
+        num_face_up = len([c for c in self.cards if c.face_up])
+        num_face_down = len(self.cards) - num_face_up
+        stack_height = int(self.y +
+                           num_face_down * yoffset / self.shrink_face_down +
+                           num_face_up * yoffset +
+                           cardh)
+        visible_height = self.canvas.winfo_height()
+        game_height = self.game.height + 2*self.canvas.ymargin
+        height = max(visible_height, game_height)
+        if stack_height > height:
+            # squeeze stack
+            n = num_face_down / self.shrink_face_down + num_face_up
+            dy = float(height - self.y - cardh) / n
+            if dy < yoffset:
+                self.CARD_YOFFSET = (dy,)
+            return True
+        elif stack_height < height:
+            # expande stack
+            if self.CARD_YOFFSET == self.INIT_CARD_YOFFSET:
+                return False
+            n = num_face_down / self.shrink_face_down + num_face_up
+            dy = float(height - self.y - cardh) / n
+            dy = min(dy, self.INIT_CARD_YOFFSET[0])
+            self.CARD_YOFFSET = (dy,)
+            return True
+        return False
+
     def basicShallHighlightSameRank(self, card):
         # by default all open stacks are available for highlighting
         assert card in self.cards