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GTK3: working print preview

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svn: r20288
This commit is contained in:
Benny Malengier 2012-08-30 09:40:17 +00:00
parent 8dc900e046
commit 39dba1ffd0
1 changed files with 22 additions and 15 deletions
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37
src/plugins/docgen/gtkprint.py
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@ -62,6 +62,7 @@ log = logging.getLogger(".GtkPrint")
#-------------------------------------------------------------------------
import cairo
try: # the Gramps-Connect server has no DISPLAY
from gi.repository import GObject
from gi.repository import Gtk
except:
pass
@ -227,6 +228,7 @@ class PrintPreview(object):
# connect the signals
glade_xml.connect_signals(self)
self._drawing_area.connect("draw", self.on_drawingarea_draw_event)
##def create_surface(self):
##return cairo.PDFSurface(StringIO(),
@ -321,32 +323,37 @@ class PrintPreview(object):
def __get_view_size(self):
"""Get the dimensions of the scrolled window.
"""
width = self._swin.allocation.width - 2 * MARGIN
height = self._swin.allocation.height - 2 * MARGIN
width = self._swin.get_allocated_width() - 2 * MARGIN
height = self._swin.get_allocated_height() - 2 * MARGIN
if self._swin.get_shadow_type() != Gtk.ShadowType.NONE:
width -= 2 * self._swin.style.xthickness
height -= 2 * self._swin.style.ythickness
width -= 2 * self._swin.get_style().xthickness
height -= 2 * self._swin.get_style().ythickness
spacing = self._swin.style_get_property('scrollbar-spacing')
spacing = GObject.Value()
spacing.init(GObject.TYPE_INT)
spacing = self._swin.style_get_property('scrollbar-spacing', spacing)
if spacing:
spacing = spacing.get_int()
else:
spacing = 0
vsb_w, vsb_h = self._swin.get_vscrollbar().size_request()
vsb_w += spacing
hsb_w, hsb_h = self._swin.get_hscrollbar().size_request()
hsb_h += spacing
reqmin, req = self._swin.get_vscrollbar().get_preferred_size()
vsb_w = spacing + req.width
reqmin, req = self._swin.get_hscrollbar().get_preferred_size()
hsb_h = spacing + req.height
return width, height, vsb_w, hsb_h
def __end_preview(self):
self._operation.end_preview()
# Signal handlers
def on_drawingarea_expose_event(self, drawing_area, event):
cr = drawing_area.window.cairo_create()
cr.rectangle(event.area)
cr.clip()
def on_drawingarea_draw_event(self, drawing_area, context):
cr = context
#cr.rectangle(event.area)
#cr.clip()
# get the extents of the page and the screen
paper_w = int(self._paper_width * self._zoom)