diff options
Diffstat (limited to 'common/Util')
| -rw-r--r-- | common/Util/ScrolledToolbar.py | 76 |
1 files changed, 46 insertions, 30 deletions
diff --git a/common/Util/ScrolledToolbar.py b/common/Util/ScrolledToolbar.py index 9beaaec..c9512cc 100644 --- a/common/Util/ScrolledToolbar.py +++ b/common/Util/ScrolledToolbar.py @@ -1,42 +1,63 @@ -#import pygtk import gtk -#import os -#import sets +from sugar.graphics.toolbutton import ToolButton +from sugar.graphics.icon import Icon -class ScrolledToolbar(gtk.HBox): +class ScrollButton(gtk.ToolButton): + def __init__(self, icon_name): + gtk.ToolButton.__init__(self) + + icon = Icon(icon_name = icon_name, icon_size=gtk.ICON_SIZE_SMALL_TOOLBAR) + # The alignment is a hack to work around gtk.ToolButton code + # that sets the icon_size when the icon_widget is a gtk.Image + alignment = gtk.Alignment(0.5, 0.5) + alignment.add(icon) + self.set_icon_widget(alignment) + +class ScrolledToolbar(gtk.EventBox): def __init__(self): - gtk.HBox.__init__( self ) + gtk.EventBox.__init__(self) + + box = gtk.HBox() + self.add(box) - 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._scrollLeft = ScrollButton('go-left') + self._scrollLeft.connect( "clicked", self._scroll_cb, "left" ) + box.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._scrolledWindow.set_policy(gtk.POLICY_ALWAYS, gtk.POLICY_NEVER) + self._scrolledWindow.connect('scroll-event', self._scroll_event_cb) + box.pack_start( self._scrolledWindow ) self._hadjustment = self._scrolledWindow.get_hadjustment() - self._hadjustment.connect( "changed", self.scrollChanged ) - self._hadjustment.connect( "value-changed", self.scrollChanged ) + self._hadjustment.connect( "changed", self._scroll_changed_cb ) + self._hadjustment.connect( "value-changed", self._scroll_changed_cb ) - 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 ) + self._scrollRight = ScrollButton('go-right') + self._scrollRight.connect( "clicked", self._scroll_cb, "right" ) + box.pack_start(self._scrollRight, False, False) + + def modify_bg(self, state, bg): + gtk.EventBox.modify_bg(self, state, bg) + self._viewport.get_parent().modify_bg(state, bg) def set_viewport(self, widget): + self._viewport = widget self._scrolledWindow.add_with_viewport(widget) + def get_viewport_allocation(self): + alloc = self._scrolledWindow.get_allocation() + alloc.x -= self._hadjustment.get_value() + return alloc + def get_adjustment(self): return self._hadjustment - def doScroll( self, widget, data ): + def _scroll_event_cb(self, widget, event): + if event.direction == gtk.gdk.SCROLL_UP: event.direction = gtk.gdk.SCROLL_LEFT + if event.direction == gtk.gdk.SCROLL_DOWN: event.direction = gtk.gdk.SCROLL_RIGHT + return False + + def _scroll_cb( self, widget, data ): if data == "left": val = max( self._hadjustment.get_property("lower"), self._hadjustment.get_value() - self._hadjustment.get_property("page_increment") ) else: @@ -44,7 +65,7 @@ class ScrolledToolbar(gtk.HBox): self._hadjustment.set_value( val ) - def scrollChanged( self, widget ): + def _scroll_changed_cb( self, widget ): val = self._hadjustment.get_value() if val == 0: self._scrollLeft.set_sensitive( False ) @@ -55,8 +76,3 @@ class ScrolledToolbar(gtk.HBox): 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 |