tuhi/tuhigui/drawing.py

135 lines
4.6 KiB
Python

#!/usr/bin/env python3
#
# 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.
#
from gettext import gettext as _
from gi.repository import GObject, Gtk, GdkPixbuf, Gdk
from .config import Config
from .svg import JsonSvg
import gi
gi.require_version("Gtk", "3.0")
@Gtk.Template(resource_path='/org/freedesktop/Tuhi/ui/Drawing.ui')
class Drawing(Gtk.EventBox):
__gtype_name__ = "Drawing"
box_toolbar = Gtk.Template.Child()
image_svg = Gtk.Template.Child()
btn_rotate_left = Gtk.Template.Child()
btn_rotate_right = Gtk.Template.Child()
def __init__(self, json_data, *args, **kwargs):
super().__init__()
self.orientation = Config.instance().orientation
Config.instance().connect('notify::orientation', self._on_orientation_changed)
self.json_data = json_data
self._zoom = 0
self.refresh() # sets self.svg
self.timestamp = self.svg.timestamp
self.box_toolbar.set_opacity(0)
def _on_orientation_changed(self, config, pspec):
self.orientation = config.orientation
self.refresh()
def refresh(self):
self.svg = JsonSvg(self.json_data, self.orientation)
self.pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(filename=self.svg.filename,
width=1000,
height=1000,
preserve_aspect_ratio=True)
self.redraw()
def redraw(self):
pb = self.pixbuf.scale_simple(250 + (self.zoom * 50),
250 + (self.zoom * 50),
GdkPixbuf.InterpType.BILINEAR)
self.image_svg.set_from_pixbuf(pb)
@GObject.Property
def name(self):
return "drawing"
@GObject.Property
def zoom(self):
return self._zoom
@zoom.setter
def zoom(self, zoom):
if zoom == self._zoom:
return
self._zoom = zoom
self.redraw()
@Gtk.Template.Callback('_on_download_button_clicked')
def _on_download_button_clicked(self, button):
dialog = Gtk.FileChooserDialog(_('Please choose a file'),
None,
Gtk.FileChooserAction.SAVE,
(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
Gtk.STOCK_SAVE, Gtk.ResponseType.OK))
dialog.set_do_overwrite_confirmation(True)
# Translators: the default filename to save to
dialog.set_current_name(_('untitled.svg'))
filter_any = Gtk.FileFilter()
# Translators: filter name to show all/any files
filter_any.set_name(_('Any files'))
filter_any.add_pattern('*')
filter_svg = Gtk.FileFilter()
# Translators: filter to show svg files only
filter_svg.set_name(_('SVG files'))
filter_svg.add_pattern('*.svg')
dialog.add_filter(filter_svg)
dialog.add_filter(filter_any)
response = dialog.run()
if response == Gtk.ResponseType.OK:
import shutil
file = dialog.get_filename()
shutil.copyfile(self.svg.filename, file)
# FIXME: error handling
dialog.destroy()
@Gtk.Template.Callback('_on_delete_button_clicked')
def _on_delete_button_clicked(self, button):
Config.instance().delete_drawing(self.timestamp)
@Gtk.Template.Callback('_on_rotate_button_clicked')
def _on_rotate_button_clicked(self, button):
if button == self.btn_rotate_left:
advance = 1
else:
advance = 3
orientations = ['portrait', 'landscape', 'reverse-portrait', 'reverse-landscape'] * 3
o = orientations[orientations.index(self.orientation) + advance]
self.orientation = o
self.refresh()
@Gtk.Template.Callback('_on_enter')
def _on_enter(self, *args):
self.box_toolbar.set_opacity(100)
@Gtk.Template.Callback('_on_leave')
def _on_leave(self, drawing, event):
if event.detail == Gdk.NotifyType.INFERIOR:
return
self.box_toolbar.set_opacity(0)