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GTK3: avoid fanchartview from crashing, does not work yet however

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svn: r20177
This commit is contained in:
Benny Malengier 2012-08-04 09:52:18 +00:00
parent e351f60398
commit 31e3fbc70e
1 changed files with 53 additions and 37 deletions
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90
src/plugins/view/fanchartview.py
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@ -32,18 +32,13 @@
# Python modules
#
#-------------------------------------------------------------------------
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Pango
from gi.repository import GObject
from gi.repository import Gdk
from gi.repository import Gtk
import cairo
import math
from cgi import escape
try:
import cairo
except ImportError:
pass
from gen.ggettext import gettext as _
#-------------------------------------------------------------------------
@ -127,6 +122,8 @@ class FanChartWidget(Gtk.Widget):
self.connect("button_release_event", self.on_mouse_up)
self.connect("motion_notify_event", self.on_mouse_move)
self.connect("button-press-event", self.on_mouse_down)
self.connect("draw", self.on_draw)
#self.connect("realize", self.realize)
self.context_popup_callback = context_popup_callback
self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK |
Gdk.EventMask.BUTTON_RELEASE_MASK |
@ -170,19 +167,28 @@ class FanChartWidget(Gtk.Widget):
angle += slice
gender = not gender
def do_realize(self):
def do_realize(self, data=None):
"""
Overriden method to handle the realize event.
"""
## TODO GTK3: need to create the window correctly
self.set_flags(self.flags() | self.get_realized())
#if self.get_realized():
# return
#self.set_flags(self.flags() | self.get_realized())
attr = Gdk.WindowAttr()
attr.width = self.allocation.width
attr.height = self.allocation.height
attr.x = 0
attr.y = 0
attr.cursor = Gdk.Cursor.new_for_display(
self.get_display(), Gdk.CursorType.LEFT_PTR)
attr.event_mask = (Gdk.EventMask.ENTER_NOTIFY_MASK |
Gdk.EventMask.LEAVE_NOTIFY_MASK)
attr.wclass = Gdk.WindowWindowClass.INPUT_OUTPUT
attr.window_type = Gdk.WindowType.CHILD
attr.event_mask = (Gdk.EventMask.ENTER_NOTIFY_MASK |
Gdk.EventMask.LEAVE_NOTIFY_MASK)
attr.visual = self.get_visual()
attrmask = (
#Gdk.WindowAttributesType.TITLE |
@ -196,7 +202,8 @@ class FanChartWidget(Gtk.Widget):
self.window = Gdk.Window(self.get_parent_window(),
attr,
attrmask)
self.set_window(self.window)
self.set_realized(True)
### self.window = Gdk.Window(self.get_parent_window(),
### width=self.allocation.width,
### height=self.allocation.height,
@ -223,34 +230,43 @@ class FanChartWidget(Gtk.Widget):
requisition.width = (width // Pango.SCALE + self.BORDER_WIDTH*4)* 1.45
requisition.height = (3 * height // Pango.SCALE + self.BORDER_WIDTH*4) * 1.2
def do_get_preferred_width(self):
""" GTK3 uses width for height sizing model. This method will
override the virtual method
"""
req = Gtk.Requisition()
self.do_size_request(req)
return req.width, req.width
def do_get_preferred_height(self):
""" GTK3 uses width for height sizing model. This method will
override the virtual method
"""
req = Gtk.Requisition()
self.do_size_request(req)
return req.height, req.height
def do_size_allocate(self, allocation):
"""
Overridden method to handle size allocation events.
"""
self.allocation = allocation
if self.get_realized():
self.window.move_resize(*allocation)
if self.get_has_window():
if self.get_realized():
self.window.move_resize(allocation.x, allocation.y,
allocation.width, allocation.height)
def _expose_gdk(self, event):
x, y, w, h = self.allocation
self.layout = self.create_pango_layout('no cairo')
fontw, fonth = self.layout.get_pixel_size()
self.style.paint_layout(self.window, self.state, False,
event.area, self, "label",
(w - fontw) / 2, (h - fonth) / 2,
self.layout)
## def _expose_gdk(self, event):
## x, y, w, h = self.allocation
## self.layout = self.create_pango_layout('no cairo')
## fontw, fonth = self.layout.get_pixel_size()
## self.style.paint_layout(self.window, self.state, False,
## event.area, self, "label",
## (w - fontw) / 2, (h - fonth) / 2,
## self.layout)
def do_expose_event(self, event):
"""
Overridden method to handle expose events.
"""
try:
cr = self.window.cairo_create()
except AttributeError:
return self._expose_gdk(event)
return self._expose_cairo(event, cr)
def _expose_cairo(self, event, cr):
def on_draw(self, widget, cr):
"""
The main method to do the drawing.
"""
@ -587,13 +603,13 @@ class FanChartWidget(Gtk.Widget):
self.queue_draw()
return True
def set_flags(self, flags):
## TODO GTK3: need to set_flags?
pass
def flags(self):
## TODO GTK3: need to get flags?
return 0
## def set_flags(self, flags):
## ## TODO GTK3: need to set_flags?
## pass
##
## def flags(self):
## ## TODO GTK3: need to get flags?
## return 0
class FanChartView(NavigationView):
"""