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#import pygtk
import gtk
#import os
#import sets
class ScrolledToolbar(gtk.HBox):
def __init__(self):
gtk.HBox.__init__( self )
scrollLeftImg = gtk.Image()
scrollLeftImg.set_from_icon_name('go-left', gtk.ICON_SIZE_BUTTON)
self._scrollLeft = gtk.Button( label = None )
self._scrollLeft.set_relief(gtk.RELIEF_NONE)
self._scrollLeft.set_image(scrollLeftImg)
self._scrollLeft.connect( "clicked", self.doScroll, "left" )
self.pack_start( self._scrollLeft, False, False )
self._scrolledWindow = gtk.ScrolledWindow()
self._scrolledWindow.set_policy( gtk.POLICY_ALWAYS, gtk.POLICY_NEVER )
self.pack_start( self._scrolledWindow )
self._hadjustment = self._scrolledWindow.get_hadjustment()
self._hadjustment.connect( "changed", self.scrollChanged )
self._hadjustment.connect( "value-changed", self.scrollChanged )
scrollRightImg = gtk.Image()
scrollRightImg.set_from_icon_name('go-right', gtk.ICON_SIZE_BUTTON)
self._scrollRight = gtk.Button( label = None )
self._scrollRight.set_relief(gtk.RELIEF_NONE)
self._scrollRight.set_image(scrollRightImg)
self._scrollRight.connect( "clicked", self.doScroll, "right" )
self.pack_start( self._scrollRight, False, False )
def set_viewport(self, widget):
self._scrolledWindow.add_with_viewport(widget)
def get_adjustment(self):
return self._hadjustment
def doScroll( self, widget, data ):
if data == "left":
val = max( self._hadjustment.get_property("lower"), self._hadjustment.get_value() - self._hadjustment.get_property("page_increment") )
else:
val = min( self._hadjustment.get_property("upper") - self._hadjustment.get_property("page_size"), self._hadjustment.get_value() + self._hadjustment.get_property("page_increment") )
self._hadjustment.set_value( val )
def scrollChanged( self, widget ):
val = self._hadjustment.get_value()
if val == 0:
self._scrollLeft.set_sensitive( False )
else:
self._scrollLeft.set_sensitive( True )
if val >= self._hadjustment.get_property( "upper" ) - self._hadjustment.get_property("page_size"):
self._scrollRight.set_sensitive( False )
else:
self._scrollRight.set_sensitive( True )
def get_viewport_allocation(self):
alloc = self._scrolledWindow.get_allocation()
alloc.x -= self._hadjustment.get_value()
return alloc
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