def draw_cb(self, widget, cr):
# Paint the base color, and the list's pixbuf.
state_flags = widget.get_state_flags()
style_context = widget.get_style_context()
bg_color_gdk = style_context.get_background_color(state_flags)
bg_color = RGBColor.new_from_gdk_rgba(bg_color_gdk)
cr.set_source_rgb(*bg_color.get_rgb())
cr.paint()
gdk.cairo_set_source_pixbuf(cr, self.pixbuf, 0, 0)
cr.paint()
# border colors
gdkrgba = style_context.get_background_color(state_flags
| gtk.StateFlags.SELECTED)
selected_color = RGBColor.new_from_gdk_rgba(gdkrgba)
gdkrgba = style_context.get_background_color(state_flags
| gtk.StateFlags.NORMAL)
insertion_color = RGBColor.new_from_gdk_rgba(gdkrgba)
# Draw borders
last_i = len(self.itemlist) - 1
for i, b in enumerate(self.itemlist):
rect_color = None
if b is self.selected:
rect_color = selected_color
elif i == self.drag_insertion_index \
or (i == last_i and self.drag_insertion_index > i):
rect_color = insertion_color
if rect_color is None:
continue
x = (i % self.tiles_w) * self.total_w
y = (i / self.tiles_w) * self.total_h
w = self.total_w
h = self.total_h
def shrink(pixels, x, y, w, h):
x += pixels
y += pixels
w -= 2 * pixels
h -= 2 * pixels
return (x, y, w, h)
x, y, w, h = shrink(self.spacing_outside, x, y, w, h)
for j in range(self.border_visible_outside_cell):
x, y, w, h = shrink(-1, x, y, w, h)
for j in xrange(self.border_visible +
self.border_visible_outside_cell):
cr.set_source_rgb(*rect_color.get_rgb())
cr.rectangle(x, y, w - 1,
h - 1) # FIXME: check pixel alignment
cr.stroke()
x, y, w, h = shrink(1, x, y, w, h)
return True
def draw_cb(self, widget, cr):
# Paint the base color, and the list's pixbuf.
state_flags = widget.get_state_flags()
style_context = widget.get_style_context()
bg_color_gdk = style_context.get_background_color(state_flags)
bg_color = RGBColor.new_from_gdk_rgba(bg_color_gdk)
cr.set_source_rgb(*bg_color.get_rgb())
cr.paint()
gdk.cairo_set_source_pixbuf(cr, self.pixbuf, 0, 0)
cr.paint()
# border colors
gdkrgba = style_context.get_background_color(
state_flags | gtk.StateFlags.SELECTED)
selected_color = RGBColor.new_from_gdk_rgba(gdkrgba)
gdkrgba = style_context.get_background_color(
state_flags | gtk.StateFlags.NORMAL)
insertion_color = RGBColor.new_from_gdk_rgba(gdkrgba)
# Draw borders
last_i = len(self.itemlist) - 1
for i, b in enumerate(self.itemlist):
rect_color = None
if b is self.selected:
rect_color = selected_color
elif i == self.drag_insertion_index \
or (i == last_i and self.drag_insertion_index > i):
rect_color = insertion_color
if rect_color is None:
continue
x = (i % self.tiles_w) * self.total_w
y = (i / self.tiles_w) * self.total_h
w = self.total_w
h = self.total_h
def shrink(pixels, x, y, w, h):
x += pixels
y += pixels
w -= 2*pixels
h -= 2*pixels
return (x, y, w, h)
x, y, w, h = shrink(self.spacing_outside, x, y, w, h)
for j in range(self.border_visible_outside_cell):
x, y, w, h = shrink(-1, x, y, w, h)
for j in xrange(self.border_visible + self.border_visible_outside_cell):
cr.set_source_rgb(*rect_color.get_rgb())
cr.rectangle(x, y, w-1, h-1) # FIXME: check pixel alignment
cr.stroke()
x, y, w, h = shrink(1, x, y, w, h)
return True
def check_color_input(value):
"""Check a value is a valid colour input.
Returns a parsed `RGBColor` instance if so, raises ValueError
otherwise.
"""
value = value.lower()
# Trim a leading hash
if value.startswith("#"):
value = value[1:]
if len(value) != 6:
raise ValueError(
"Color should be six hexadecimal digits, got %r (%s)" %
(value, len(value)))
if re.sub(r"[a-f0-9]", "", value):
raise ValueError("Color should only contain hex characters, got %r" %
value)
red = int(value[0:2], base=16)
green = int(value[2:4], base=16)
blue = int(value[4:6], base=16)
return RGBColor(red, green, blue)
def color_details_dialog_cb(self, action):
mgr = self.app.brush_color_manager
new_col = RGBColor.new_from_dialog(
title=_("Set current color"),
color=mgr.get_color(),
previous_color=mgr.get_previous_color(),
parent=self)
if new_col is not None:
mgr.set_color(new_col)
def color_details_dialog_cb(self, action):
mgr = self.app.brush_color_manager
new_col = RGBColor.new_from_dialog(
title=_("Set current color"),
color=mgr.get_color(),
previous_color=mgr.get_previous_color(),
parent=self)
if new_col is not None:
mgr.set_color(new_col)
def drag_data_received(self, widget, context, x, y, selection, info, t):
if info == 1:
if selection.data:
uri = selection.data.split("\r\n")[0]
fn = helpers.uri2filename(uri)
if os.path.exists(fn):
if self.app.filehandler.confirm_destructive_action():
self.app.filehandler.open_file(fn)
elif info == 2: # color
color = RGBColor.new_from_drag_data(selection.data)
self.app.brush_color_manager.set_color(color)
self.app.brush_color_manager.push_history(color)
def drag_data_received(self, widget, context, x, y, selection, info, t):
if info == 1:
if selection.data:
uri = selection.data.split("\r\n")[0]
fn = helpers.uri2filename(uri)
if os.path.exists(fn):
if self.app.filehandler.confirm_destructive_action():
self.app.filehandler.open_file(fn)
elif info == 2: # color
color = RGBColor.new_from_drag_data(selection.data)
self.app.brush_color_manager.set_color(color)
self.app.brush_color_manager.push_history(color)
def _drag_data_received_cb(self, widget, context, x, y, data, info, time):
"""Handles data being received"""
rawdata = data.get_data()
if not rawdata:
return
if info == 1: # file uris
uri = rawdata.split("\r\n")[0]
fn = helpers.uri2filename(uri)
if os.path.exists(fn):
if self.app.filehandler.confirm_destructive_action():
self.app.filehandler.open_file(fn)
elif info == 2: # color
color = RGBColor.new_from_drag_data(rawdata)
self.app.brush_color_manager.set_color(color)
self.app.brush_color_manager.push_history(color)
def __init__(self, color=None):
"""Initialize with a color (default is black"""
Gtk.AspectFrame.__init__(self,
xalign=0.5,
yalign=0.5,
ratio=1.0,
obey_child=False)
self.set_shadow_type(Gtk.ShadowType.IN)
self.drawingarea = Gtk.DrawingArea()
self.add(self.drawingarea)
if color is None:
color = RGBColor(0, 0, 0)
self._color = color
self.drawingarea.set_size_request(8, 8)
self.drawingarea.connect("draw", self._draw_cb)
def _style_updated_cb(self, widget, *a):
"""Callback: updates colors in response to the style changing.
"""
style_context = widget.get_style_context()
text_colors_new = self._text_colors.copy()
f_norm = gtk.StateFlags.NORMAL
f_pre = gtk.StateFlags.PRELIGHT
f_active = gtk.StateFlags.ACTIVE
f_sel = gtk.StateFlags.SELECTED
style_info = [ ("normal", f_norm, False),
("normal_pre", f_norm|f_pre, False),
("active", f_active, True),
("active_pre", f_active|f_pre, True),
("selected", f_sel, False),
("selected_pre", f_sel|f_pre, False), ]
for key, flags, inverse_video in style_info:
fg_rgba = style_context.get_color(flags)
bg_rgba = style_context.get_background_color(flags)
fg = RGBColor.new_from_gdk_rgba(fg_rgba)
bg = RGBColor.new_from_gdk_rgba(bg_rgba)
if inverse_video:
fg, bg = bg, fg
text_colors_new[key] = (fg, bg)
leading_new = self._leading
font_description = style_context.get_font(gtk.StateFlags.NORMAL)
if font_description:
leading_new = font_description.get_size() / 6
style_changed = (self._leading != leading_new or
self._text_colors != text_colors_new)
if style_changed:
self._leading = leading_new
self._text_colors = text_colors_new
self.queue_draw()