427 lines
18 KiB
Python
427 lines
18 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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import math
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from ReflectionTexture import Texture_Reflection
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from InputQueue import InputQueue
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class Menu(clutter.Group):
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font = ""
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menu_item_transition = None
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zoomLevel = 0.5
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opacityStep = 120
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def __init__ (self, glossMgr):
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clutter.Group.__init__(self)
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self.glossMgr = glossMgr
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self.stage = self.glossMgr.get_stage()
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self.itemGroup = clutter.Group()
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self.glossMgr.themeMgr.setup_menu("main", self)
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#Setup input queue controller
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self.input_queue = InputQueue()
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self.input_queue.set_action(InputQueue.NORTH, self.selectPrevious)
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self.input_queue.set_action(InputQueue.SOUTH, self.selectNext)
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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.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.timeline = clutter.Timeline(15, 75) #This timeline is used on any movements that occur when changing items
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self.input_queue.set_timeline(self.timeline)
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self.timeline_completed=True
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self.glossMgr.addMenu(self)
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def addItem(self, itemLabel):
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if len(self.menuItems) == 0:
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tempLabel = clutter.Label()
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tempLabel.set_font_name(self.font)
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tempLabel.set_text("S")
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#tempLabel.set_scale_with_gravity(self.zoomStep0, self.zoomStep0, clutter.GRAVITY_WEST)
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self.label_height = tempLabel.get_height()
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#self.label_height = self.label_height * self.zoomStep1
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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 = len(self.menuItems) * (self.label_height + self.item_gap)
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#print "Label height: " + str(self.label_height)
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newItem = ListItem(self, itemLabel, label_y)
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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() - (self.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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return None
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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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#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.itemGroup.get_x(), self.itemGroup.get_y())
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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 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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#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.input_queue.set_timeline(self.timeline)
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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):
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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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#Do the transition of the menu graphic
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#If there's no transition set (Would have been set in the theme) then the item is simply show
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if not self.menu_item_transition is None:
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self.menu_item_transition.forward(self.timeline, self.menuItems[self.selected-1].itemTexturesGroup, self.menuItems[self.selected].itemTexturesGroup)
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else:
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self.menuItems[self.selected].itemTexturesGroup.show()
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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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#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.input_queue.set_timeline(self.timeline)
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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)):
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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):
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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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#Do the transition of the menu graphic
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#If there's no transition set (Would have been set in the theme) then the item is simply show
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if not self.menu_item_transition is None:
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self.menu_item_transition.backward(self.timeline, self.menuItems[self.selected+1].itemTexturesGroup, self.menuItems[self.selected].itemTexturesGroup)
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else:
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self.menuItems[self.selected].itemTexturesGroup.show()
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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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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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#Empty out things on the menu first (if any)
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for group in self.get_children():
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self.remove(group)
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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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#Show the current menu item's graphic
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self.menuItems[self.selected].itemTexturesGroup.show()
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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) = self.glossMgr.get_selector_bar().get_true_abs_position(incomingMenuItem) #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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height_diff = int(self.glossMgr.get_selector_bar().get_height() - incomingMenuItem.get_height()) #self.glossMgr.get_selector_bar().get_height())
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#print "height diff: " + str(height_diff)
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gap = ((incoming_y - bar_y) - math.floor(height_diff/2)) * -1
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gap = int(gap)
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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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height_diff = int(self.glossMgr.get_selector_bar().get_height() - incomingMenuItem.get_height()) #self.glossMgr.get_selector_bar().get_height())
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gap = bar_y - incoming_y + math.ceil(height_diff/2)
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gap = int(gap)
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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(opacity_start=outgoingMenuItem.get_opacity(), opacity_end=0, alpha=alpha)
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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):
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clutter.Label.__init__ (self)
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glossMgr = menu.getGlossMgr()
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self.menu = menu
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self.stage = glossMgr.get_stage()
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#ItemTexturesGroup is what shows any images / reflections associated with the item
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self.itemTexturesGroup = clutter.Group()
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self.itemTexturesGroup.set_position(menu.menu_image_x, menu.menu_image_y)
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#setup the label
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font = menu.font
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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.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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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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#Add textures group and mark whether or not the textures are currently on the stage
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self.itemTexturesGroup.show_all()
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self.onStage = False
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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 = self.menu.zoomStep0 #self.zoomLevel * 1.5
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opacityTo = self.menu.opacityStep0
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self.itemTexturesGroup.hide()
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self.menu.add(self.itemTexturesGroup)
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self.onStage = True
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#self.itemTexturesGroup.show_all()
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if level==1:
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zoomTo = self.menu.zoomStep1
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opacityTo = self.menu.opacityStep1
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if self.onStage:
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#self.menu.remove(self.itemTexturesGroup)
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self.onStage = False
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#self.itemTexturesGroup.hide_all()
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if level==2:
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zoomTo = self.menu.zoomStep2
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opacityTo = self.menu.opacityStep2
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if self.onStage:
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#self.menu.remove(self.itemTexturesGroup)
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self.onStage = False
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#self.itemTexturesGroup.hide_all()
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if (zoomTo == self.currentZoom) and (opacityTo == self.currentOpacity):
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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(scale_start=self.currentZoom, scale_end=zoomTo, alpha=alpha) #scale_gravity=clutter.GRAVITY_WEST,
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self.behaviour1 = clutter.BehaviourScale(x_scale_start=self.currentZoom, y_scale_start=self.currentZoom, x_scale_end=zoomTo, y_scale_end=zoomTo, alpha=alpha) #scale_gravity=clutter.GRAVITY_WEST,
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#self.set_anchor_point_from_gravity(clutter.GRAVITY_WEST)
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self.behaviour1.set_property("scale-gravity", clutter.GRAVITY_WEST) #As at Clutter r1807 you cannot set the gravity on the line above.
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self.behaviour2 = clutter.BehaviourOpacity(opacity_start=self.currentOpacity, opacity_end=opacityTo, alpha=alpha)
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self.behaviour1.apply(self)
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self.behaviour2.apply(self)
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#timeline.connect('completed', self.scale_end_event, zoomTo, opacityTo)
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self.currentZoom = zoomTo
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self.currentOpacity = opacityTo
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def scale_end_event(self, data, zoomTo, opacityTo):
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pass
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def get_zoom_level(self):
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return self.zoomLevel
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def add_image_from_path(self, path, x, y):
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self.tempTexture = clutter.Texture()
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pixbuf = gtk.gdk.pixbuf_new_from_file(path)
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tempTexture.set_pixbuf(pixbuf)
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self.add_image_from_texture(tempTexture, x, y)
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def add_image_from_texture(self, texture):
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if texture is None:
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print "NO TEXTURE!"
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"""
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Removing as this is currently already handled in individual module files
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#Set the image to the size in the theme
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if not self.menu.menu_image_height is None:
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texture.set_height(self.menu.menu_image_height)
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if not self.menu.menu_image_width is None:
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texture.set_width(self.menu.menu_image_width)
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"""
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#Rotate appropriately
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rotation = self.menu.menu_image_rotation
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x_rotation = (texture.get_width())
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texture.set_rotation(clutter.Y_AXIS, rotation, x_rotation, 0, 0)
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self.itemTexturesGroup.add(texture)
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#If reflection is turned on in the theme, add a reflection texture
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if self.menu.useReflection:
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self.reflectionTexture = Texture_Reflection(texture)
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self.itemTexturesGroup.add(self.reflectionTexture)
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self.itemTexturesGroup.show_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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