From ed12012f5fba420d7de285110dc83655ad8e594b Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@walter-laptop.(none)>
Date: Tue, 22 Dec 2009 15:07:09 +0000
Subject: major refactoring of sprites library

---
diff --git a/VisualMatchActivity.py b/VisualMatchActivity.py
index 0fa9113..92c562a 100644
--- a/VisualMatchActivity.py
+++ b/VisualMatchActivity.py
@@ -209,7 +209,6 @@ class VisualMatchActivity(activity.Activity):
     # Button callbacks
     #
     def _select_game_cb(self, button, activity, cardtype):
-        print "in _select_game_cb: %s" % (cardtype)
         window.new_game(activity.vmw, cardtype)
 
     def _journal_cb(self, button, path):
diff --git a/card.py b/card.py
index 8e7d94f..373464e 100644
--- a/card.py
+++ b/card.py
@@ -26,7 +26,6 @@ import gobject
 import os.path
 
 from constants import *
-
 from sprites import *
 
 #
@@ -41,21 +40,14 @@ from sprites import *
 # if shape == SELECTMASK then generate special card-selected overlay
 #
 class Card:
-    def __init__(self, vmw, path, cardtype, width, height, attributes):
-        # what do we need to know about each card?
+    def __init__(self, sprites, path, cardtype, width, height, attributes):
         if attributes[0] == SELECTMASK:
-            self.spr = sprNew(vmw,0,0,self.load_image(
-                                          path,
-                                          "selected",
-                                          width,
-                                          height))
+            self.spr = Sprite(sprites, 0, 0,
+                              self.load_image(path, "selected", width, height))
             self.index = SELECTMASK
         elif attributes[0] == MATCHMASK:
-            self.spr = sprNew(vmw,0,0,self.load_image(
-                                          path,
-                                          "match",
-                                          width,
-                                          height))
+            self.spr = Sprite(sprites, 0, 0,
+                              self.load_image(path, "match", width, height))
             self.index = MATCHMASK
         else:
             self.shape = attributes[0]
@@ -66,19 +58,17 @@ class Card:
                          self.color*NUMBER*FILLS+\
                          self.num*FILLS+\
                          self.fill
-            # create sprite from svg file
-            self.spr = sprNew(vmw,0,0,self.load_image(
-                                path,
-                                cardtype+"-"+str(self.index),
-                                width, height))
-        self.spr.label = ""
+            self.spr = Sprite(sprites, 0, 0,
+                              self.load_image(path, cardtype+"-"+\
+                                              str(self.index),
+                                              width, height))
 
     def show_card(self):
-        setlayer(self.spr,2000)
-        draw(self.spr)
+        self.spr.setlayer(2000)
+        self.spr.draw()
 
     def hide_card(self):
-        hide(self.spr)
+        self.spr.hide()
 
     def load_image(self, path, file, w, h):
         return gtk.gdk.pixbuf_new_from_file_at_size(
diff --git a/constants.py b/constants.py
index c737c02..2acbdde 100644
--- a/constants.py
+++ b/constants.py
@@ -28,6 +28,7 @@ DEAL=12
 EXTRAS=3
 SELECTMASK = -1
 MATCHMASK = -2
-CARD_W = 125
-CARD_H = 75
+CARD_WIDTH = 125
+CARD_HEIGHT = 75
+KEYMAP = ['1','2','3','q','w','e','a','s','d','z','x','c','8','9','0']
 
diff --git a/deck.py b/deck.py
index 402df3a..33616ba 100644
--- a/deck.py
+++ b/deck.py
@@ -32,7 +32,7 @@ from card import *
 # class for defining deck of cards
 #
 class Deck:
-    def __init__(self, vmw, path, card_type, width, height):
+    def __init__(self, sprites, path, cardtype, width, height):
         # create the deck of cards
         self.cards = {}
         # remember the position in the deck
@@ -44,7 +44,7 @@ class Deck:
             for color in range(0, COLORS):
                 for num in range(0, NUMBER):
                     for fill in range(0, FILLS):
-                        self.cards[self.count] = Card(vmw, path, card_type, 
+                        self.cards[self.count] = Card(sprites, path, cardtype, 
                                                      width, height,
                                                      [shape,color,num,fill])
                         self.count += 1
diff --git a/grid.py b/grid.py
index bd0f665..f6eafe8 100644
--- a/grid.py
+++ b/grid.py
@@ -37,17 +37,17 @@ COL = 3
 # class for managing 3x5 matrix of cards
 #
 class Grid:
-    def __init__(self, width, height, card_width, card_height, scale):
+    def __init__(self, width, height, card_width, card_height):
         # the playing surface is a 3x5 grid
         self.grid = []
         # how many cards are on the playing field
         self.cards = 0
         # card spacing
-        self.left = int((width-(card_width*2*scale))/2)
-        self.xinc = int(card_width*1.2*scale)
-        # self.top = int((height-(card_height*3.5*card_scale))/2)
+        self.left = int((width-(card_width*2))/2)
+        self.xinc = int(card_width*1.2)
+        # self.top = int((height-(card_height*3.5))/2)
         self.top = 10
-        self.yinc = int(card_height*1.33*scale)
+        self.yinc = int(card_height*1.33)
 
     # deal the initial deck of cards
     def deal(self, deck):
@@ -60,7 +60,7 @@ class Grid:
             for c in range(0, COL):
                 a = deck.deal_next_card()
                 self.grid.append(a)
-                self.place_a_card(a,x,y)
+                self.place_a_card(a, x, y)
                 x += self.xinc
                 self.cards += 1
             x = self.left
@@ -79,7 +79,7 @@ class Grid:
                 self.grid[i] = deck.deal_next_card()
                 x = self.left+self.xinc*(i%COL)
                 y = self.top+self.yinc*int(i/COL)
-                self.place_a_card(self.grid[i],x,y)
+                self.place_a_card(self.grid[i], x, y)
                 self.cards += 1
 
     # remove a match from the grid and deal new cards from the deck
@@ -94,7 +94,7 @@ class Grid:
                 else:
                     # save card in grid position of card we are replacing
                     self.grid[i] = deck.deal_next_card()
-                    self.place_a_card(self.grid[i],a.x,a.y)
+                    self.place_a_card(self.grid[i], a.x, a.y)
             else:
                 self.cards -= 1
                 # mark grid positions of cards we are not replacing
@@ -105,12 +105,18 @@ class Grid:
             deck.spr_to_card(a).show_card()
 
     # place a card at position x,y and display it
-    def place_a_card(self,c,x,y):
+    def place_a_card(self, c, x, y):
         if c is not None:
             c.spr.x = x
             c.spr.y = y
             c.show_card()
 
     # convert from sprite x,y to grid index
-    def xy_to_grid(self,x,y):
+    def xy_to_grid(self, x, y):
         return int(COL*(y-self.top)/self.yinc) + int((x-self.left)/self.xinc)
+
+
+    # return sprite in grid element i
+    def grid_to_spr(self, i):
+        print self.grid[i].spr
+        return self.grid[i].spr
diff --git a/sprites.py b/sprites.py
index e1b037e..9f69f08 100644
--- a/sprites.py
+++ b/sprites.py
@@ -26,136 +26,112 @@ pygtk.require('2.0')
 import gtk
 import gobject
 import pango
-class taSprite: pass
-
-def findsprite(tw,pos):
-    list = tw.sprites[:]
-    list.reverse()
-    for s in list:
-        if hit(s,pos): return s
-    return None
-
-def redrawsprites(tw):
-    for s in tw.sprites: draw(s)
-
-def sprNew(tw,x,y,image,altlabel=False):
-    spr = taSprite()
-    spr.tw, spr.x, spr.y = tw,x,y
-    setimage(spr,image)
-    spr.label = None
-    spr.ds_id = None
-    if altlabel:
-        spr.draw_label = draw_label2
-    else: spr.draw_label = draw_label1
-    return spr
-
-def setimage(spr,image):
-    spr.image = image
-    if isinstance(image,gtk.gdk.Pixbuf):
-        spr.width = image.get_width()
-        spr.height = image.get_height()
-    else: spr.width,spr.height=image.get_size()
-
-def move(spr,pos):
-    inval(spr)
-    spr.x,spr.y = pos
-    inval(spr)
-
-def setshape(spr,image):
-    inval(spr)
-    setimage(spr,image)
-    inval(spr)
-
-def setshapex(spr):
-    inval(spr)
-
-def setlayer(spr, layer):
-    sprites = spr.tw.sprites
-    if spr in sprites: sprites.remove(spr)
-    spr.layer = layer
-    for i in range(len(sprites)):
-        if layer < sprites[i].layer:
-            sprites.insert(i, spr)
-            inval(spr)
-            return
-    sprites.append(spr)
-    inval(spr)
-
-def hide(spr):
-    if spr not in spr.tw.sprites: return
-    inval(spr)
-    spr.tw.sprites.remove(spr)
-
-def setlabel(spr,label):
-    spr.label = label
-    inval(spr)
-
-def inval(spr):
-    spr.tw.area.invalidate_rect(gtk.gdk.Rectangle(spr.x,spr.y,spr.width, \
-                                                  spr.height), False)
-
-def draw(spr):
-    if isinstance(spr.image,gtk.gdk.Pixbuf):
-        spr.tw.area.draw_pixbuf(spr.tw.gc, spr.image, 0, 0, spr.x, spr.y)
-    else:
-        spr.tw.area.draw_drawable(spr.tw.gc,spr.image,0,0,spr.x,spr.y,-1,-1)
-    if spr.label!=None:
-        if hasattr(spr, 'proto') and hasattr(spr.proto, 'name'):
-            name = spr.proto.name
+
+class Sprites:
+    def __init__(self, area, gc):
+        self.area = area
+        self.gc = gc
+        self.list = []
+
+    def get_sprite(self, i):
+        if i < 0 or i > len(self.list)-1:
+            return(None)
         else:
-            name = ""
-        spr.draw_label(spr,str(spr.label))
-
-def hit(spr,pos):
-    x,y = pos
-    if x<spr.x: return False
-    if x>spr.x+spr.width: return False
-    if y<spr.y: return False
-    if y>spr.y+spr.height: return False
-    if isinstance(spr.image,gtk.gdk.Pixmap): return True
-    if hasattr(spr, 'proto') and hasattr(spr.proto, 'name') and \
-        spr.proto.name == 'journal':
-            return True
-    dx,dy = x-spr.x, y-spr.y
-    try:
-        return ord(spr.image.get_pixels()[(dy*spr.width+dx)*4+3]) == 255
-    except IndexError:
-        if hasattr(spr, 'proto') and hasattr(spr.proto, 'name'):
-            print spr.proto.name
-        print "IndexError: string index out of range" + str(dx) + " " \
-            + str(dy) + " " + str(spr.width) + " " + str(spr.height)
-        return True
+            return(self.list[i])
+
+    def length_of_list(self):
+        return(len(self.list))
 
-def draw_label(spr, label, myscale, center_flag, truncate_flag):
-    fd = pango.FontDescription('Sans')
-    fd.set_size(int(myscale*spr.tw.scale*pango.SCALE))
-    if type(label) == str or type(label) == unicode:
-        mylabel = label.replace("\0"," ")
-        l = len(mylabel)
-        if truncate_flag and l > 8:
-            pl = spr.tw.canvas.create_pango_layout("..."+mylabel[l-8:])
+    def append_to_list(self,spr):
+        self.list.append(spr)
+
+    def insert_in_list(self,spr,i):
+        if i < 0:
+            self.list.insert(0, spr)
+        elif i > len(self.list)-1:
+            self.list.append(spr)
+        else:
+            self.list.insert(i, spr)
+
+    def remove_from_list(self,spr):
+        if spr in self.list:
+            self.list.remove(spr)
+
+    def findsprite(self, pos):
+        list = self.list
+        list.reverse()
+        for spr in list:
+            if spr.hit(pos): return spr
+        return None
+
+    def redrawsprites(self):
+        for spr in self.list:
+            spr.draw()
+
+
+class Sprite:
+    def __init__(self, sprites, x, y, image):
+        self.x = x
+        self.y = y
+        self.layer = 100
+        self.setimage(image)
+        self.sprites = sprites
+        self.sprites.append_to_list(self)
+
+    def setimage(self, image):
+        self.image = image
+        if isinstance(self.image,gtk.gdk.Pixbuf):
+            self.width = self.image.get_width()
+            self.height = self.image.get_height()
         else:
-            pl = spr.tw.canvas.create_pango_layout(mylabel)
-        pl.set_font_description(fd)
-        if center_flag:
-            swidth = pl.get_size()[0]/pango.SCALE
-            centerx = spr.x+spr.width/2
-            x = int(centerx-swidth/2)
+            self.width, self.height = self.image.get_size()
+
+    def move(self, pos):
+        self.inval()
+        self.x,self.y = pos
+        self.inval()
+
+    def setshape(self, image):
+        self.inval()
+        self.setimage(image)
+        self.inval()
+
+    def setlayer(self, layer):
+        self.sprites.remove_from_list(self)
+        self.layer = layer
+        for i in range(self.sprites.length_of_list()):
+            if layer < self.sprites.get_sprite(i).layer:
+                self.sprites.insert_in_list(i, self)
+                self.inval()
+                return
+        self.sprites.append_to_list(self)
+        self.inval()
+
+    def hide(self):
+        self.inval()
+        self.sprites.remove_from_list(self)
+
+    def inval(self):
+        self.sprites.area.invalidate_rect(
+            gtk.gdk.Rectangle(self.x,self.y,self.width,self.height), False)
+
+    def draw(self):
+        if isinstance(self.image,gtk.gdk.Pixbuf):
+            self.sprites.area.draw_pixbuf(
+                self.sprites.gc, self.image, 0, 0, self.x, self.y)
         else:
-            x = spr.x+70
-        sheight = pl.get_size()[1]/pango.SCALE
-        centery = spr.y+spr.height/2
-        y = int(centery-sheight/2)
-        spr.tw.gc.set_foreground(spr.tw.msgcolor)
-        spr.tw.area.draw_layout(spr.tw.gc, x, y, pl)
-    else:
-        print type(label)
-
-# used for most things
-def draw_label1(spr, label):
-    draw_label(spr, label, 12, True, True)
-
-# used for status blocks
-def draw_label2(spr, label):
-    draw_label(spr, str(label), 14, False, False)
+            self.sprites.area.draw_drawable(
+                self.sprites.gc, self.image, 0, 0, self.x, self.y, -1, -1)
+
+    def hit(self, pos):
+        x, y = pos
+        if x < self.x:
+            return False
+        if x > self.x+self.width:
+            return False
+        if y < self.y:
+            return False
+        if y > self.y+self.height:
+            return False
+        return True
 
diff --git a/window.py b/window.py
index 40335dc..8c68267 100644
--- a/window.py
+++ b/window.py
@@ -36,8 +36,7 @@ from constants import *
 from grid import *
 from deck import *
 from card import *
-
-from math import sqrt
+from sprites import *
 
 class vmWindow: pass
 
@@ -70,32 +69,26 @@ def new_window(canvas, path, cardtype, parent=None):
     vmw.canvas.connect("key_press_event", _keypress_cb, vmw)
     vmw.width = gtk.gdk.screen_width()
     vmw.height = gtk.gdk.screen_height()-GRID_CELL_SIZE
-    vmw.card_width = CARD_W
-    vmw.card_height = CARD_H
     vmw.cardtype = cardtype
-    vmw.scale = 0.8 * vmw.height/(vmw.card_height*5.5)
-    vmw.area = vmw.canvas.window
-    vmw.gc = vmw.area.new_gc()
-    vmw.cm = vmw.gc.get_colormap()
-    vmw.msgcolor = vmw.cm.alloc_color('black')
-    vmw.sprites = []
+    scale = 0.8 * vmw.height/(CARD_HEIGHT*5.5)
+    vmw.card_width = CARD_WIDTH*scale
+    vmw.card_height = CARD_HEIGHT*scale
+    vmw.sprites = Sprites(vmw.canvas.window, vmw.canvas.window.new_gc())
     vmw.selected = []
     vmw.match_display_area = []
 
     # create a deck of cards and a grid for the playing field
-    vmw.deck = Deck(vmw, vmw.path, vmw.cardtype, vmw.card_width*vmw.scale, 
-                    vmw.card_height*vmw.scale)
-    vmw.grid = Grid(vmw.width,vmw.height,vmw.card_width,vmw.card_height,
-                    vmw.scale)
+    vmw.deck = Deck(vmw.sprites, vmw.path, vmw.cardtype, vmw.card_width, 
+                    vmw.card_height)
+    vmw.grid = Grid(vmw.width, vmw.height, vmw.card_width, vmw.card_height)
 
-    # initialize three card-selected overlays and
-    # a place to put the matched cards
+    # initialize three card-selected overlays and a place for the matches
     for i in range(0,3):
-        vmw.selected.append(Card(vmw,vmw.path,"",vmw.card_width*vmw.scale,
-                            vmw.card_height*vmw.scale,[SELECTMASK,0,0,0]))
-        vmw.match_display_area.append(Card(vmw,vmw.path,"",
-                            vmw.card_width*vmw.scale,
-                            vmw.card_height*vmw.scale,[MATCHMASK,0,0,0]))
+        vmw.selected.append(Card(vmw.sprites, vmw.path, "", vmw.card_width,
+                            vmw.card_height, [SELECTMASK,0,0,0]))
+        vmw.match_display_area.append(Card(vmw.sprites, vmw.path, "",
+                            vmw.card_width,
+                            vmw.card_height, [MATCHMASK,0,0,0]))
         vmw.match_display_area[i].spr.x = 10
         vmw.match_display_area[i].spr.y = vmw.grid.top+i*vmw.grid.yinc
         vmw.match_display_area[i].show_card()
@@ -105,7 +98,6 @@ def new_window(canvas, path, cardtype, parent=None):
 
     # Start doing something
     vmw.low_score = -1
-    vmw.keypress = ""
     new_game(vmw, cardtype)
     return vmw
 
@@ -116,12 +108,13 @@ def new_game(vmw,cardtype):
     vmw.deck.hide()
     if vmw.cardtype is not cardtype:
         vmw.cardtype = cardtype
-        vmw.deck = Deck(vmw, vmw.path, vmw.cardtype, vmw.card_width*vmw.scale, 
-                        vmw.card_height*vmw.scale)
+        vmw.deck = Deck(vmw.sprites, vmw.path, vmw.cardtype, 
+                        vmw.card_width, vmw.card_height)
     vmw.deck.shuffle()
     vmw.grid.deal(vmw.deck)
     if find_a_match(vmw) is False:
         vmw.grid.deal_extra_cards(vmw.deck)
+    unselect(vmw)
     vmw.matches = 0
     vmw.total_time = 0
     set_label(vmw, "deck", "%d %s" % 
@@ -144,10 +137,12 @@ def _button_press_cb(win, event, vmw):
 def _button_release_cb(win, event, vmw):
     win.grab_focus()
     x, y = map(int, event.get_coords())
-    spr = findsprite(vmw,(x,y))
+    spr = vmw.sprites.findsprite((x, y))
     if spr is None:
         return True
+    return _process_selection(vmw, spr)
 
+def _process_selection(vmw, spr):
     # check to make sure a card in the matched pile isn't selected
     if spr.x == 10:
        return True
@@ -210,7 +205,7 @@ def _button_release_cb(win, event, vmw):
                     return True
             # test to see if we need to deal extra cards
             if find_a_match(vmw) is False:
-                vmw.grid.deal_extra_cards(vmw.deck)            
+                vmw.grid.deal_extra_cards(vmw.deck)
             else:
                 # set_label(vmw,"status",vmw.msg)
                 set_label(vmw,"status",_("match"))
@@ -240,14 +235,16 @@ def unselect(vmw):
 # Keypress
 #
 def _keypress_cb(area, event, vmw):
-    vmw.keypress = gtk.gdk.keyval_name(event.keyval)
+    k = gtk.gdk.keyval_name(event.keyval)
+    if k in KEYMAP:
+        return _process_selection(vmw, vmw.grid.grid_to_spr(KEYMAP.index(k)))
     return True
 
 #
 # Repaint
 #
 def _expose_cb(win, event, vmw):
-    redrawsprites(vmw)
+    vmw.sprites.redrawsprites()
     return True
 
 #
@@ -273,7 +270,7 @@ def set_label(vmw, label, s):
             vmw.win.set_title("%s: %s" % (_("Visual Match"),s))
 
 #
-# Display # of seconds since start_time
+# Display of seconds since start_time
 #
 def _counter(vmw):
      set_label(vmw,"clock",str(int(gobject.get_current_time()-\
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