384 lines
15 KiB
Python
384 lines
15 KiB
Python
import clutter
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import pygtk
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import gtk
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import pango
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import time
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from ReflectionTexture import Texture_Reflection
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class Menu:
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item_gap = 10 #Distance between items
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def __init__ (self, glossMgr):
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self.glossMgr = glossMgr
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self.stage = self.glossMgr.get_stage()
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self.menuItems = []
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self.selected = 0
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self.displayMin = 0 #The number of menu items that will be shown at a time
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self.displayMax = 6
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self.moveQueue = 0
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self.displaySize = self.displayMax - self.displayMin
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self.displayPosition = (0, 0)
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self.itemGroup = clutter.Group()
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self.menuGroup = clutter.Group()
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self.stage.add(self.itemGroup)
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self.stage.add(self.menuGroup)
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#self.hasTimeline = False
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self.timeline = clutter.Timeline(15, 75) #This timeline is used on any movements that occur when changing items
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self.timeline_completed=True
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self.glossMgr.addMenu(self)
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#self.itemGroup.hide_all()
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def addItem(self, itemLabel, imagePath):
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if len(self.menuItems) == 0:
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label_height = 0
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label_width = 0
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else:
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(label_width, label_height) = self.menuItems[0].get_size()
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label_y = label_height * len(self.menuItems)+self.item_gap
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newItem = ListItem(self, itemLabel, label_y, imagePath)
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self.menuItems.append(newItem)
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self.itemGroup.add(newItem)
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group_x = self.itemGroup.get_x()
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group_y = self.itemGroup.get_y() - (label_height)
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self.itemGroup.set_position(group_x, group_y)
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return newItem
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def display(self):
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if self.displayMax > len(self.menuItems):
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self.displayMax = len(self.menuItems)
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self.displaySize = self.displayMax - self.displayMin
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for i in range(self.displaySize):
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self.menuItems[i].show()
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self.itemGroup.show()
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def getItem(self, index):
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return self.menuItems[index]
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def getStage(self):
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return self.stage
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def getGlossMgr(self):
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return self.glossMgr
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def setMenuPositionByName(self, location):
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if location == "center":
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menu_y = (self.stage.get_height()-self.itemGroup.get_height())/2
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menu_x = (self.stage.get_width()-self.itemGroup.get_width())/2
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self.itemGroup.set_position(menu_x, menu_y)
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self.displayPosition = (menu_x, menu_y)
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#print "Original Group size: " + str(self.itemGroup.get_width())
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#print "Starting at : " + str(menu_x) + ":" + str(menu_y)
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#The display position is the x, y coords of where the menu is when it is active
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def get_display_position(self):
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return self.displayPosition
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def setMenuPosition(self, x, y):
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self.itemGroup.set_position(x,y)
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def getItemGroup(self):
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return self.itemGroup
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def getMenuGroup(self):
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return self.menuGroup
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def setListFont(self, newFont):
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currentY= 0 #self.itemGroup.get_y()
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self.font = newFont
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for li in self.menuItems:
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x = li.get_x()
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#y = li.getPositionY()
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li.set_font_name(newFont)
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li.set_position(x,currentY)
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currentY = currentY + li.get_height()
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#Returns the newly selected item
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def selectNext(self):
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#Initially check whether the last animation is still going
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if self.timeline.is_playing():
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self.moveQueue = self.moveQueue + 1
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#self.timeline.set_speed(1000) # Nasty hack to make sure the timeline finishes
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return None
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#Check if we're at the last item in the list
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if (self.selected) != (len(self.menuItems)-1):
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self.timeline = clutter.Timeline (15,85)
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self.timeline.connect('completed', self.completeMove)
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if not self.moveQueue == 0:
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self.selected = self.selected +1 #+ self.moveQueue
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self.moveQueue = self.moveQueue - 1 #0
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if self.selected > (len(self.menuItems)-1):
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self.selected = (len(self.menuItems)-1)
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else:
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self.selected = self.selected+1
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#This horrible loop does all the scaling
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#This includes, the selected item and the ones on either side of it
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for i in range(len(self.menuItems)):
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if i == self.selected:
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self.menuItems[i].scaleLabel(0, self.timeline)
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elif (i == self.selected-1) and (i >= self.displayMin+1):
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self.menuItems[i].scaleLabel(1, self.timeline)
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elif (i == self.selected+1) and (i <= self.displayMax-1):
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self.menuItems[i].scaleLabel(1, self.timeline)
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else:
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self.menuItems[i].scaleLabel(2, self.timeline)
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#Check we're at the bottom of the viewable list
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if self.selected >= (self.displayMax):
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#If yes, move the menu, leave the selection bar where is
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self.menuItems[self.selected].set_opacity(0)
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self.menuItems[self.selected].show()
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self.rollMenu( self.menuItems[self.selected], self.menuItems[self.selected-self.displaySize], self.timeline)
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else:
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#move the selection bar
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self.glossMgr.get_selector_bar().selectItem(self.menuItems[self.selected], self.timeline)
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self.timeline.start()
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self.moveQueue = 0
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#Returns the newly selected item
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def selectPrevious(self):
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#Initially check whether the last animation is still going
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if self.timeline.is_playing():
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self.moveQueue = self.moveQueue - 1
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#self.timeline.set_speed(1000) # Nasty hack to make sure the timeline finishes
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return None
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#Check if we're at the first item in the list
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if (self.selected) != 0:
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self.timeline = clutter.Timeline (15,85)
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self.timeline.connect('completed', self.completeMove)
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if not self.moveQueue == 0:
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self.selected = self.selected -1 #+ self.moveQueue
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self.moveQueue = self.moveQueue + 1 # 0
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if self.selected < 0:
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self.selected = 0
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else:
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self.selected = self.selected-1
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#This horrible loop does all the scaling
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#This includes, the selected item and the ones on either side of it
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for i in range(len(self.menuItems)-1):
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#print str(i)
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if i == self.selected:
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self.menuItems[i].scaleLabel(0, self.timeline)
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elif (i == self.selected-1) and (i >= self.displayMin+1):
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self.menuItems[i].scaleLabel(1, self.timeline)
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elif (i == self.selected+1) and (i <= self.displayMax-1):
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self.menuItems[i].scaleLabel(1, self.timeline)
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else:
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self.menuItems[i].scaleLabel(2, self.timeline)
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#This is a hack but it seems to fix a wierd bug (If rmeoving this, remove the -1 from the for loop above
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if (self.selected == (len(self.menuItems)-2) ):
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self.menuItems[len(self.menuItems)-1].scaleLabel(1, self.timeline)
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if (self.selected == (len(self.menuItems)-3) ):
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self.menuItems[len(self.menuItems)-1].scaleLabel(2, self.timeline)
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#Check we're at the top of the viewable list
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if self.selected < (self.displayMin):
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#If yes, move the menu, leave the selection bar where is
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#self.menuItems[self.selected].set_opacity(0)
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#self.menuItems[self.selected].show()
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self.rollMenu( self.menuItems[self.selected], self.menuItems[self.selected+self.displaySize], self.timeline)
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else:
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#move the selection bar
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self.glossMgr.get_selector_bar().selectItem(self.menuItems[self.selected], self.timeline)
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self.timeline.start()
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self.moveQueue = 0
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def completeMove(self, data):
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#print self.itemGroup.get_abs_position()
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if self.moveQueue > 0:
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self.selectNext()
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elif self.moveQueue < 0:
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self.selectPrevious()
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def selectFirst(self, moveBar):
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if self.timeline.is_playing:
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"ERROR: Timeline should NOT be playing here!"
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self.timeline = clutter.Timeline(1, 75)
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self.selected = 0
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for i in range(0,len(self.menuItems)):
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if i == 0:
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self.menuItems[i].scaleLabel(0, self.timeline)
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elif i == 1:
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self.menuItems[i].scaleLabel(1, self.timeline)
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else:
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self.menuItems[i].scaleLabel(2, self.timeline)
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if moveBar:
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self.glossMgr.get_selector_bar().selectItem(self.menuItems[self.selected], self.timeline)
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self.timeline.start()
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#When the menu needs to display a new item from the top or bottom, it rolls
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# The distance the menu moves is the distance (in pixels) between the incoming item and the selector bar
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def rollMenu(self, incomingMenuItem, outgoingMenuItem, timeline):
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(group_x, group_y) = self.itemGroup.get_abs_position()
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(bar_x, bar_y) = self.glossMgr.get_selector_bar().get_abs_position() # incomingMenuItem.get_menu().getMenuMgr().
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(incoming_x, incoming_y) = incomingMenuItem.get_abs_position()
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#print self.itemGroup.get_abs_position()
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#print "Starting group position: " + self.itemGroup.get_abs_position()
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if incoming_y > bar_y:
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#Then the incoming item is below the selector bar
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gap = (incoming_y - bar_y - (self.item_gap/2)) * -1
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#gap = -65
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self.displayMin = self.displayMin+1
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self.displayMax = self.displayMax+1
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else:
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#Then the incoming item is above the selector bar
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gap = bar_y - incoming_y + (self.item_gap/2)
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#gap = 65
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self.displayMin = self.displayMin-1
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self.displayMax = self.displayMax-1
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#print "Gap: " + str(gap)
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new_y = (group_y+gap)
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knots = (\
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(group_x, group_y),\
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(group_x, new_y )\
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)
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alpha = clutter.Alpha(timeline, clutter.ramp_inc_func)
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self.behaviour1 = clutter.BehaviourPath(alpha, knots)
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self.behaviour2 = clutter.BehaviourOpacity(alpha, outgoingMenuItem.get_opacity(), 0)
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#print "Going to: "+ str(new_y)
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#print behaviour1.get_knots()
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self.behaviour1.apply(self.itemGroup)
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self.behaviour2.apply(outgoingMenuItem)
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def get_item_gap(self):
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return self.item_gap
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def get_current_item(self):
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return self.menuItems[self.selected]
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class ListItem (clutter.Label):
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zoomLevel = 0.5
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opacityStep = 120
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def __init__ (self, menu, itemLabel, y, imagePath):
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clutter.Label.__init__ (self)
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glossMgr = menu.getGlossMgr()
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self.itemTexturesGroup = clutter.Group()
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font = glossMgr.get_themeMgr().get_font("menu_item")
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self.stage = glossMgr.get_stage()
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self.set_font_name(font)
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self.set_text(itemLabel)
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self.color = clutter.Color(0xff, 0xff, 0xff, 0xdd)
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self.set_color(self.color)
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self.currentOpacity = 255
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self.menu = menu
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self.data = itemLabel #By default the items data is simply its label
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#The width is the length of the selector bar minus its offset
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width = glossMgr.get_selector_bar().get_width() + glossMgr.get_selector_bar().get_x_offset()
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self.set_width(width)
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#Pango ellipses seem to be having problems, disabling for now
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self.set_ellipsize(pango.ELLIPSIZE_END)
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#Text is actually scaled down in 'regular' position so that it doesn't get jaggies when zoomed in
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self.set_scale(self.zoomLevel, self.zoomLevel)
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self.currentZoom = 0
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#(label_width, label_height) = self.label.get_size()
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label_x = 0 #x #self.stage.get_width() - label_width - 50
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label_y = y #self.stage.get_height() - label_height
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self.set_position(0, y)
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if not (imagePath == "" or imagePath is None):
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self.addImage(imagePath, True)
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#Add textures group and hide it
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self.menu.getMenuGroup().add(self.itemTexturesGroup)
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self.itemTexturesGroup.hide_all()
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def scaleLabel(self, level, timeline):
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#Determine the zooming level
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zoomTo=0
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opacityTo = 255
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if level==0:
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zoomTo = 1 #self.zoomLevel * 1.5
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opacityTo = 255
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self.itemTexturesGroup.show_all()
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if level==1:
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zoomTo = self.zoomLevel * 1.2
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opacityTo = 255 - self.opacityStep
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self.itemTexturesGroup.hide_all()
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if level==2:
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zoomTo = self.zoomLevel
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opacityTo = 255 - 2*self.opacityStep
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self.itemTexturesGroup.hide_all()
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if zoomTo == self.currentZoom:
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return None
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alpha = clutter.Alpha(timeline, clutter.ramp_inc_func)
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self.behaviour1 = clutter.BehaviourScale(alpha, self.currentZoom, zoomTo, clutter.GRAVITY_WEST)
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self.behaviour2 = clutter.BehaviourOpacity(alpha, self.currentOpacity, opacityTo)
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self.behaviour1.apply(self)
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self.behaviour2.apply(self)
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self.currentZoom = zoomTo
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self.currentOpacity = opacityTo
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def get_zoom_level(self):
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return self.zoomLevel
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def addImage(self, path, useReflection):
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self.tempTexture = clutter.Texture()
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pixbuf = gtk.gdk.pixbuf_new_from_file(path)
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self.tempTexture.set_pixbuf(pixbuf)
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(abs_x, abs_y) = self.get_abs_position()
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x = abs_x# - self.tempTexture.get_width()
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y = (self.menu.getStage().get_height()/2) - (self.tempTexture.get_height()/2)
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self.tempTexture.set_position(x, y)
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self.tempTexture.rotate_y(45,0,0)
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self.itemTexturesGroup.add(self.tempTexture)
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self.tempTexture.hide_all()
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#Scale the image down by half
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xy_ratio = self.tempTexture.get_width() / self.tempTexture.get_height()
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self.tempTexture.set_width(int(self.stage.get_width() * 0.30)) #30% of the stages width
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self.tempTexture.set_height(self.tempTexture.get_width() * xy_ratio ) #Just makes sure the sizes stay the same
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if useReflection:
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self.reflectionTexture = Texture_Reflection(self.tempTexture)
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#self.reflectionTexture.set_position(0, 0)#self.tempTexture.get_height())
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self.itemTexturesGroup.add(self.reflectionTexture)
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self.itemTexturesGroup.hide_all()
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def set_data(self, data):
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self.data = data
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def get_data(self):
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return self.data
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def setAction(self, newAction):
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self.action = newAction
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def getAction(self):
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return self.action
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def get_menu(self):
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return self.menu
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