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import pygtk
pygtk.require( '2.0' )
import gtk
import pango
from GUI.GUIConstants import GUIConstants
class PageView( gtk.DrawingArea ):
def __init__( self, pageID, selectPageCallback, selected = False ):
gtk.DrawingArea.__init__( self )
self.pageID = pageID
self.selectPageCallback = selectPageCallback
self.selected = selected
self.add_events( gtk.gdk.BUTTON_PRESS_MASK )
self.connect( "expose-event", self.handleExposeEvent )
self.connect( "button-press-event", self.handleButtonPress )
self.connect( "drag_data_get", self.getData )
def handleButtonPress( self, widget, event ):
if event.button == 1 or event.button == 3:
self.selectPageCallback( self.pageID, event.button == 1 )
def getData( self, widget, context, selection, targetType, eventTime ):
return selection.set( gtk.gdk.SELECTION_PRIMARY, 32, "p %d" % self.pageID )
def toggleSelected( self ):
self.selected = not self.selected
self.queue_draw()
def setSelected( self, selected ):
if self.selected != selected:
self.selected = selected
self.queue_draw()
# TODO: this is temporary: replace with a visual representation of the page
def handleExposeEvent( self, drawingArea, event ):
size = self.get_allocation()
context = self.window.cairo_create()
if self.selected:
context.set_line_width( GUIConstants.PAGE_SELECTED_BORDER_SIZE )
else:
context.set_line_width( GUIConstants.PAGE_BORDER_SIZE )
context.move_to( 0, 0 )
context.rel_line_to( size.width, 0 )
context.rel_line_to( 0, size.height )
context.rel_line_to( -size.width, 0 )
context.close_path()
#blue background
context.set_source_rgb( 0.75, 0.75, 0.75 )
context.fill_preserve()
#black border
context.set_source_rgb( 0, 0, 0 )
context.stroke()
#text
layout = self.create_pango_layout( "%d" % ( self.pageID + 1 ) )
layout.set_font_description( pango.FontDescription( 'Sans 10' ) )
self.window.draw_layout( self.window.new_gc(), 5, 5, layout )
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