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# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from gi.repository import GObject, Gtk, Pango
class CellRendererButton(Gtk.CellRenderer):
__gproperties__ = {
"text": (GObject.TYPE_STRING, None, "Text",
"Displayed text", GObject.ParamFlags.READWRITE),
'visible': (GObject.TYPE_INT, 'Visible',
'Visible', 0, 10, 0, GObject.ParamFlags.READWRITE),
'sensitive': (GObject.TYPE_INT, 'Sensitive',
'Sensitive', 0, 10, 0, GObject.ParamFlags.READWRITE),
}
__gsignals__ = {
'clicked': (GObject.SignalFlags.RUN_LAST, GObject.TYPE_NONE,
(GObject.TYPE_STRING,)),
}
def __init__(self, text=""):
Gtk.CellRenderer.__init__(self)
self.text = text
self.set_property('mode', Gtk.CellRendererMode.EDITABLE)
self.visible = True
self.sensitive = True
def do_set_property(self, pspec, value):
setattr(self, pspec.name, value)
def do_get_property(self, pspec):
return getattr(self, pspec.name)
def do_render(self, cr, widget, background_area, cell_area, flags):
if not self.visible:
return
if not self.sensitive:
state = Gtk.StateFlags.INSENSITIVE
else:
state = Gtk.StateFlags.NORMAL
context = widget.get_style_context()
context.save()
context.add_class('text-button')
context.set_state(state)
xpad, ypad = self.get_padding()
x = cell_area.x + xpad
y = cell_area.y + ypad
w = cell_area.width - 2 * xpad
h = cell_area.height - 2 * ypad
Gtk.render_background(context, cr, x, y, w, h)
Gtk.render_frame(context, cr, x, y, w, h)
padding = context.get_padding(state)
layout = widget.create_pango_layout(self.text)
layout.set_width((w - padding.left - padding.right) * Pango.SCALE)
layout.set_ellipsize(Pango.EllipsizeMode.END)
layout.set_wrap(Pango.WrapMode.CHAR)
lw, lh = layout.get_size() # Can not use get_pixel_extents
lw /= Pango.SCALE
lh /= Pango.SCALE
if w < lw:
x = x + padding.left
else:
x = x + padding.left + 0.5 * (
w - padding.left - padding.right - lw)
y = y + padding.top + 0.5 * (h - padding.top - padding.bottom - lh)
Gtk.render_layout(context, cr, x, y, layout)
context.restore()
def do_get_size(self, widget, cell_area=None):
if cell_area is None:
return (0, 0, 30, 18)
else:
return (cell_area.x, cell_area.y,
cell_area.width, cell_area.height)
def do_start_editing(
self, event, widget, path, background_area, cell_area, flags):
if not self.visible or not self.sensitive:
return
self.emit("clicked", path)
GObject.type_register(CellRendererButton)
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