146 lines
4.9 KiB
Python
146 lines
4.9 KiB
Python
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#!/usr/bin/env python3
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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from gettext import gettext as _
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from gi.repository import GObject, Gtk, GdkPixbuf, Gdk
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from .config import Config
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from .svg import JsonSvg
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import gi
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gi.require_version("Gtk", "3.0")
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@Gtk.Template(resource_path='/org/freedesktop/Tuhi/ui/Drawing.ui')
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class Drawing(Gtk.EventBox):
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__gtype_name__ = "Drawing"
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box_toolbar = Gtk.Template.Child()
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image_svg = Gtk.Template.Child()
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btn_rotate_left = Gtk.Template.Child()
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btn_rotate_right = Gtk.Template.Child()
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def __init__(self, json_data, *args, **kwargs):
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super().__init__()
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self.orientation = Config.instance().orientation
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Config.instance().connect('notify::orientation', self._on_orientation_changed)
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self.json_data = json_data
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self._zoom = 0
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self.refresh() # sets self.svg
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self.timestamp = self.svg.timestamp
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self.box_toolbar.set_opacity(0)
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def _on_orientation_changed(self, config, pspec):
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self.orientation = config.orientation
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self.refresh()
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def refresh(self):
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self.svg = JsonSvg(self.json_data, self.orientation)
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width, height = -1, -1
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if 'portrait' in self.orientation:
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height = 1000
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else:
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width = 1000
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self.pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(filename=self.svg.filename,
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width=width,
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height=height,
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preserve_aspect_ratio=True)
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self.redraw()
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def redraw(self):
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ratio = self.pixbuf.get_height() / self.pixbuf.get_width()
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base = 250 + self.zoom * 50
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if 'portrait' in self.orientation:
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width = base / ratio
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height = base
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else:
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width = base
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height = base * ratio
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pb = self.pixbuf.scale_simple(width, height, GdkPixbuf.InterpType.BILINEAR)
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self.image_svg.set_from_pixbuf(pb)
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@GObject.Property
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def name(self):
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return "drawing"
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@GObject.Property
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def zoom(self):
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return self._zoom
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@zoom.setter
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def zoom(self, zoom):
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if zoom == self._zoom:
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return
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self._zoom = zoom
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self.redraw()
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@Gtk.Template.Callback('_on_download_button_clicked')
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def _on_download_button_clicked(self, button):
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dialog = Gtk.FileChooserDialog(_('Please choose a file'),
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None,
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Gtk.FileChooserAction.SAVE,
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(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
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Gtk.STOCK_SAVE, Gtk.ResponseType.OK))
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dialog.set_do_overwrite_confirmation(True)
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# Translators: the default filename to save to
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dialog.set_current_name(_('untitled.svg'))
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filter_any = Gtk.FileFilter()
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# Translators: filter name to show all/any files
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filter_any.set_name(_('Any files'))
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filter_any.add_pattern('*')
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filter_svg = Gtk.FileFilter()
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# Translators: filter to show svg files only
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filter_svg.set_name(_('SVG files'))
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filter_svg.add_pattern('*.svg')
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dialog.add_filter(filter_svg)
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dialog.add_filter(filter_any)
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response = dialog.run()
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if response == Gtk.ResponseType.OK:
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import shutil
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file = dialog.get_filename()
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shutil.copyfile(self.svg.filename, file)
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# FIXME: error handling
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dialog.destroy()
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@Gtk.Template.Callback('_on_delete_button_clicked')
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def _on_delete_button_clicked(self, button):
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Config.instance().delete_drawing(self.timestamp)
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@Gtk.Template.Callback('_on_rotate_button_clicked')
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def _on_rotate_button_clicked(self, button):
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if button == self.btn_rotate_left:
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advance = 1
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else:
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advance = 3
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orientations = ['portrait', 'landscape', 'reverse-portrait', 'reverse-landscape'] * 3
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o = orientations[orientations.index(self.orientation) + advance]
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self.orientation = o
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self.refresh()
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@Gtk.Template.Callback('_on_enter')
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def _on_enter(self, *args):
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self.box_toolbar.set_opacity(100)
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@Gtk.Template.Callback('_on_leave')
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def _on_leave(self, drawing, event):
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if event.detail == Gdk.NotifyType.INFERIOR:
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return
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self.box_toolbar.set_opacity(0)
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