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# -*- coding: utf-8 -*-
#
# Copyright 2012 Manuel QuiƱones
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import sys
sys.path.append('mypaint')
from gettext import gettext as _
import logging
import gtk
from sugar.graphics.toolbarbox import ToolbarBox
from sugar.activity.widgets import ActivityToolbarButton
from sugar.activity.widgets import StopButton
from sugar.graphics.colorbutton import ColorToolButton
from sugar.graphics.radiotoolbutton import RadioToolButton
from sugar.graphics.palette import Palette
from sugar.graphics.toolbutton import ToolButton
from mypaint.brushlib import brushsettings
SETTING_NAMES = ['radius_logarithmic', 'slow_tracking', 'opaque', 'hardness']
class BrushesPalette(Palette):
def __init__(self, toolbar):
self._toolbar = toolbar
super(BrushesPalette, self).__init__()
self.set_primary_text(_("Brushes"))
table = gtk.Table()
self.set_content(table)
table.show()
self.brushes_by_name = {}
self._brushes_group = None
def create_brush(brush_name, row, col):
brush = gtk.RadioButton()
brush.props.group = self._brushes_group
if self._brushes_group is None:
self._brushes_group = brush
brush.connect('clicked', self._toolbar.brush_clicked_cb,
brush_name)
table.attach(brush, col, col+1, row, row+1, gtk.FILL)
brush.show()
# Brush preview:
hbox = gtk.HBox()
brush.add(hbox)
hbox.show()
preview_filename = 'brushes/%s_prev.png' % brush_name
preview_pixbuf = gtk.gdk.pixbuf_new_from_file(preview_filename)
image = gtk.Image()
image.set_from_pixbuf(preview_pixbuf)
hbox.pack_start(image)
image.show()
return brush
row = 0
col = 0
for brush_name in ['brush', 'charcoal', 'pen', 'modelling2', 'blur']:
brush = create_brush(brush_name, row, col)
self.brushes_by_name[brush_name] = brush
if col > 2:
row += 1
col = 0
else:
col += 1
class SettingsPalette(Palette):
def __init__(self, toolbar):
self._toolbar = toolbar
super(SettingsPalette, self).__init__()
self.set_primary_text(_("Brush Settings"))
table = gtk.Table()
self.set_content(table)
table.show()
self.controls = {}
def create_control(setting_name, row):
setting = brushsettings.settings_dict[setting_name]
label = gtk.Label(_('%s: ' % setting.name))
table.attach(label, 0, 1, row, row+1, gtk.FILL)
label.show()
adj = gtk.Adjustment(value=setting.default,
lower=setting.min, upper=setting.max,
step_incr=0.01, page_incr=0.1)
control = gtk.HScale(adj)
control.set_draw_value(False)
control.set_update_policy(gtk.UPDATE_CONTINUOUS)
control.set_size_request(250, -1)
control.connect('value-changed', self._toolbar.control_changed_cb,
setting_name)
table.attach(control, 1, 2, row, row+1, gtk.FILL|gtk.EXPAND)
control.show()
return control
row = 0
for setting_name in SETTING_NAMES:
control = create_control(setting_name, row)
self.controls[setting_name] = control
row += 1
class MyPaintToolbar(ToolbarBox):
def __init__(self, activity):
"""Make activity toolbar."""
super(MyPaintToolbar, self).__init__()
self._drawing = None
self._skip_brushbuttons_update = False
self._skip_color_update = False
self._skip_setting_update = {}
for setting_name in SETTING_NAMES:
self._skip_setting_update[setting_name] = False
activity_button = ActivityToolbarButton(activity)
self.toolbar.insert(activity_button, -1)
activity_button.show()
# Brush color selector:
self._color_button = ColorToolButton()
self._color_button.connect('color-set', self._color_cb)
self.toolbar.insert(self._color_button, -1)
self._color_button.show_all()
# Brushes palette:
brushes_button = ToolButton('tool-brush')
self._brushes_palette = BrushesPalette(self)
brushes_button.set_palette(self._brushes_palette)
self.toolbar.insert(brushes_button, -1)
brushes_button.show()
# Settings palette:
settings_button = ToolButton('view-source')
self._settings_palette = SettingsPalette(self)
settings_button.set_palette(self._settings_palette)
self.toolbar.insert(settings_button, -1)
settings_button.show()
# Blank space (separator) and Stop button at the end:
separator = gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
self.toolbar.insert(separator, -1)
separator.show()
stop_button = StopButton(activity)
self.toolbar.insert(stop_button, -1)
stop_button.show()
def set_drawing(self, drawing):
self._drawing = drawing
self._drawing.connect('setting-changed', self._setting_changed_cb)
self._drawing.connect('color-changed', self._color_changed_cb)
self._drawing.connect('brush-changed', self._brush_changed_cb)
self._update_buttons()
def _update_setting(self, setting_name, value):
self._settings_palette.controls[setting_name].set_value(value)
def _update_color_button(self, color):
color = gtk.gdk.Color(color)
self._color_button.props.color = color
def _update_brushes_buttons(self, brush_name):
brush_button = self._brushes_palette.brushes_by_name[brush_name]
brush_button.props.active = True
def _update_buttons(self):
for setting_name in SETTING_NAMES:
value = self._drawing.get_setting(setting_name)
self._update_setting(setting_name, value)
color = self._drawing.get_stroke_color()
self._update_color_button(color)
def _setting_changed_cb(self, widget, setting_name, value):
if not self._skip_setting_update[setting_name]:
self._update_setting(setting_name, value)
def _color_changed_cb(self, widget, color):
if not self._skip_color_update:
self._update_color_button(color)
def _brush_changed_cb(self, widget, brush_name):
if not self._skip_brushbuttons_update:
self._update_brushes_buttons(brush_name)
def _color_cb(self, widget):
self._skip_color_update = True
color = widget.get_color()
self._drawing.set_stroke_color(color)
self._skip_color_update = False
def brush_clicked_cb(self, event, brush_name):
self._skip_brushbuttons_update = True
self._drawing.set_brush(brush_name)
self._skip_brushbuttons_update = False
def control_changed_cb(self, control, setting_name):
self._skip_setting_update[setting_name] = True
value = control.get_value()
self._drawing.set_setting(setting_name, value)
self._skip_setting_update[setting_name] = False
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