def do_update(self, wid, event):
region = wid.GetWindowPort().visRgn
if Qd.EmptyRgn(region):
return
Qd.EraseRgn(region)
self.ted.WEUpdate(region)
self.updatescrollbars()
def _render_overlaprgn(self, rect):
"""Return true if there is an overlap between the current rendering region and the rect"""
if not self._render_cliprgn:
# Always draw if we have no clipping region (probably just-cloned displaylist)
return 1
r2 = self._tmprgn
Qd.RectRgn(r2, rect)
Qd.SectRgn(self._render_cliprgn, r2, r2)
empty = Qd.EmptyRgn(r2)
return not empty
def _can_render_now(self):
"""Return true if we can do the render now, in stead of
scheduling the update event"""
# First check that no update events are pending.
window = self._window
if window._transition:
return 0
rgn = Qd.NewRgn()
window._onscreen_wid.GetWindowUpdateRgn(rgn)
ok = Qd.EmptyRgn(rgn)
# Next check that we're topmost
if ok:
ok = window._is_on_top()
Qd.DisposeRgn(rgn)
return ok
def do_update(self):
if self.must_clear:
self._clear_html()
visregion = self.wid.GetWindowPort().visRgn
myregion = Qd.NewRgn()
Qd.RectRgn(myregion, self.rect) # or is it self.ted.WEGetViewRect() ?
Qd.SectRgn(myregion, visregion, myregion)
# Waste doesn't honour the clipping region, do it ourselves
clipregion = Qd.NewRgn()
Qd.GetClip(clipregion)
Qd.SectRgn(myregion, clipregion, myregion)
if Qd.EmptyRgn(myregion):
return
Qd.RGBBackColor(self.bg_color)
Qd.RGBForeColor((0, 0xffff, 0)) # DBG
Qd.EraseRgn(visregion)
self.ted.WEUpdate(myregion)
# A minimal text editor.
# A minimal text editor.
