forked from Mirrors/apostrophe
607 lines
20 KiB
Python
607 lines
20 KiB
Python
# -*- Mode: Python; coding: utf-8; indent-tabs-mode: nil; tab-width: 4 -*-
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# BEGIN LICENSE
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# Copyright (C) 2012, Wolf Vollprecht <w.vollprecht@gmail.com>
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 3, as published
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# by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranties of
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# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
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# PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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# END LICENSE
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import codecs
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import locale
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import logging
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import os
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import urllib
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from gettext import gettext as _
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import gi
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from uberwriter.export_dialog import Export
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from uberwriter.preview_handler import PreviewHandler
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from uberwriter.stats_handler import StatsHandler
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from uberwriter.styled_window import StyledWindow
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from uberwriter.text_view import TextView
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk, Gdk, GObject, GLib, Gio
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import cairo
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from uberwriter import helpers
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from uberwriter.theme import Theme
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from uberwriter.helpers import get_builder
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from uberwriter.sidebar import Sidebar
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from uberwriter.search_and_replace import SearchAndReplace
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from uberwriter.settings import Settings
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from . import headerbars
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# Some Globals
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# TODO move them somewhere for better
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# accesibility from other files
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LOGGER = logging.getLogger('uberwriter')
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CONFIG_PATH = os.path.expanduser("~/.config/uberwriter/")
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class MainWindow(StyledWindow):
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__gsignals__ = {
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'save-file': (GObject.SIGNAL_ACTION, None, ()),
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'open-file': (GObject.SIGNAL_ACTION, None, ()),
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'save-file-as': (GObject.SIGNAL_ACTION, None, ()),
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'new-file': (GObject.SIGNAL_ACTION, None, ()),
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'toggle-bibtex': (GObject.SIGNAL_ACTION, None, ()),
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'toggle-preview': (GObject.SIGNAL_ACTION, None, ()),
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'close-window': (GObject.SIGNAL_ACTION, None, ())
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}
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def __init__(self, app):
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"""Set up the main window"""
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super().__init__(application=Gio.Application.get_default(), title="Uberwriter")
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self.get_style_context().add_class('uberwriter-window')
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# Set UI
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builder = get_builder('Window')
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root = builder.get_object("FullscreenOverlay")
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self.connect("delete-event", self.on_delete_called)
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self.add(root)
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self.set_default_size(1000, 600)
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# Preferences
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self.settings = Settings.new()
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# Headerbars
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self.headerbar = headerbars.MainHeaderbar(app)
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self.set_titlebar(self.headerbar.hb_container)
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self.fs_headerbar = headerbars.FullscreenHeaderbar(builder, app)
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self.title_end = " – UberWriter"
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self.set_headerbar_title("New File" + self.title_end)
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self.timestamp_last_mouse_motion = 0
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if self.settings.get_value("poll-motion"):
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self.connect("motion-notify-event", self.on_motion_notify)
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GObject.timeout_add(3000, self.poll_for_motion)
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self.accel_group = Gtk.AccelGroup()
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self.add_accel_group(self.accel_group)
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self.scrolled_window = builder.get_object('editor_scrolledwindow')
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# Setup text editor
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self.text_view = TextView(self.settings.get_int("characters-per-line"))
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self.text_view.connect('focus-out-event', self.focus_out)
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self.text_view.get_buffer().connect('changed', self.on_text_changed)
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self.text_view.show()
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self.text_view.grab_focus()
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self.scrolled_window.add(self.text_view)
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# Setup stats counter
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self.stats_revealer = builder.get_object('editor_stats_revealer')
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self.stats_button = builder.get_object('editor_stats_button')
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self.stats_handler = StatsHandler(self.stats_button, self.text_view)
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# Setup preview
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content = builder.get_object('content')
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editor = builder.get_object('editor')
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self.preview_handler = PreviewHandler(self, content, editor, self.text_view)
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# Setup header/stats bar hide after 3 seconds
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self.top_bottom_bars_visible = True
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self.was_motion = True
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self.buffer_modified_for_status_bar = False
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# some people seems to have performance problems with the overlay.
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# Let them disable it
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self.overlay_id = None
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self.toggle_gradient_overlay(self.settings.get_value("gradient-overlay"))
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# Init file name with None
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self.set_filename()
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# Setting up spellcheck
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self.auto_correct = None
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self.toggle_spellcheck(self.settings.get_value("spellcheck"))
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self.did_change = False
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###
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# Sidebar initialization test
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###
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self.paned_window = builder.get_object("main_paned")
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self.sidebar_box = builder.get_object("sidebar_box")
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self.sidebar = Sidebar(self)
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self.sidebar_box.hide()
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###
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# Search and replace initialization
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# Same interface as Sidebar ;)
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###
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self.searchreplace = SearchAndReplace(self, self.text_view, builder)
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def on_text_changed(self, *_args):
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"""called when the text changes, sets the self.did_change to true and
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updates the title and the counters to reflect that
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"""
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if self.did_change is False:
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self.did_change = True
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title = self.get_title()
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self.set_headerbar_title("* " + title)
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self.buffer_modified_for_status_bar = True
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def set_fullscreen(self, state):
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"""Puts the application in fullscreen mode and show/hides
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the poller for motion in the top border
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Arguments:
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state {almost bool} -- The desired fullscreen state of the window
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"""
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if state.get_boolean():
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self.fullscreen()
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self.fs_headerbar.events.show()
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else:
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self.unfullscreen()
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self.fs_headerbar.events.hide()
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self.text_view.grab_focus()
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def set_focus_mode(self, state):
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"""toggle focusmode
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"""
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self.text_view.set_focus_mode(state.get_boolean())
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self.text_view.grab_focus()
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def set_hemingway_mode(self, state):
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"""toggle hemingwaymode
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"""
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self.text_view.set_hemingway_mode(state.get_boolean())
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self.text_view.grab_focus()
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def toggle_preview(self, state):
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"""Toggle the preview mode
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Arguments:
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state {gtk bool} -- Desired state of the preview mode (enabled/disabled)
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"""
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if state.get_boolean():
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self.text_view.grab_focus()
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self.preview_handler.show()
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else:
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self.preview_handler.hide()
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self.text_view.grab_focus()
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return True
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# TODO: refactorizable
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def save_document(self, _widget=None, _data=None):
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"""provide to the user a filechooser and save the document
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where he wants. Call set_headbar_title after that
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"""
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if self.filename:
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LOGGER.info("saving")
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filename = self.filename
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file_to_save = codecs.open(filename, encoding="utf-8", mode='w')
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file_to_save.write(self.text_view.get_text())
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file_to_save.close()
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if self.did_change:
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self.did_change = False
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title = self.get_title()
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self.set_headerbar_title(title[2:])
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return Gtk.ResponseType.OK
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filefilter = Gtk.FileFilter.new()
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filefilter.add_mime_type('text/x-markdown')
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filefilter.add_mime_type('text/plain')
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filefilter.set_name('Markdown (.md)')
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filechooser = Gtk.FileChooserDialog(
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_("Save your File"),
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self,
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Gtk.FileChooserAction.SAVE,
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("_Cancel", Gtk.ResponseType.CANCEL,
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"_Save", Gtk.ResponseType.OK)
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)
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filechooser.set_do_overwrite_confirmation(True)
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filechooser.add_filter(filefilter)
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response = filechooser.run()
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if response == Gtk.ResponseType.OK:
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filename = filechooser.get_filename()
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if filename[-3:] != ".md":
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filename = filename + ".md"
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try:
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self.recent_manager.add_item("file:/ " + filename)
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except:
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pass
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file_to_save = codecs.open(filename, encoding="utf-8", mode='w')
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file_to_save.write(self.text_view.get_text())
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file_to_save.close()
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self.set_filename(filename)
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self.set_headerbar_title(
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os.path.basename(filename) + self.title_end)
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self.did_change = False
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filechooser.destroy()
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return response
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filechooser.destroy()
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return Gtk.ResponseType.CANCEL
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def save_document_as(self, _widget=None, _data=None):
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"""provide to the user a filechooser and save the document
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where he wants. Call set_headbar_title after that
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"""
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filechooser = Gtk.FileChooserDialog(
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"Save your File",
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self,
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Gtk.FileChooserAction.SAVE,
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("_Cancel", Gtk.ResponseType.CANCEL,
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"_Save", Gtk.ResponseType.OK)
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)
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filechooser.set_do_overwrite_confirmation(True)
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if self.filename:
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filechooser.set_filename(self.filename)
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response = filechooser.run()
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if response == Gtk.ResponseType.OK:
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filename = filechooser.get_filename()
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if filename[-3:] != ".md":
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filename = filename + ".md"
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try:
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self.recent_manager.remove_item("file:/" + filename)
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self.recent_manager.add_item("file:/ " + filename)
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except:
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pass
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file_to_save = codecs.open(filename, encoding="utf-8", mode='w')
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file_to_save.write(self.text_view.get_text())
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file_to_save.close()
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self.set_filename(filename)
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self.set_headerbar_title(
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os.path.basename(filename) + self.title_end)
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try:
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self.recent_manager.add_item(filename)
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except:
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pass
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filechooser.destroy()
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self.did_change = False
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else:
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filechooser.destroy()
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return Gtk.ResponseType.CANCEL
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def copy_html_to_clipboard(self, _widget=None, _date=None):
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"""Copies only html without headers etc. to Clipboard
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"""
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output = helpers.pandoc_convert(self.text_view.get_text())
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clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
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clipboard.set_text(output, -1)
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clipboard.store()
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def open_document(self, _widget=None):
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"""open the desired file
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"""
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if self.check_change() == Gtk.ResponseType.CANCEL:
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return
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markdown_filter = Gtk.FileFilter.new()
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markdown_filter.add_mime_type('text/markdown')
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markdown_filter.add_mime_type('text/x-markdown')
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markdown_filter.set_name(_('Markdown Files'))
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plaintext_filter = Gtk.FileFilter.new()
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plaintext_filter.add_mime_type('text/plain')
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plaintext_filter.set_name(_('Plain Text Files'))
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filechooser = Gtk.FileChooserDialog(
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_("Open a .md file"),
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self,
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Gtk.FileChooserAction.OPEN,
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("_Cancel", Gtk.ResponseType.CANCEL,
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"_Open", Gtk.ResponseType.OK)
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)
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filechooser.add_filter(markdown_filter)
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filechooser.add_filter(plaintext_filter)
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response = filechooser.run()
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if response == Gtk.ResponseType.OK:
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filename = filechooser.get_filename()
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self.load_file(filename)
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filechooser.destroy()
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elif response == Gtk.ResponseType.CANCEL:
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filechooser.destroy()
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def check_change(self):
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"""Show dialog to prevent loss of unsaved changes
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"""
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if self.did_change and self.text_view.get_text():
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dialog = Gtk.MessageDialog(self,
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Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT,
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Gtk.MessageType.WARNING,
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Gtk.ButtonsType.NONE,
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_("You have not saved your changes.")
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)
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dialog.add_button(_("Close without saving"), Gtk.ResponseType.NO)
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dialog.add_button(_("Cancel"), Gtk.ResponseType.CANCEL)
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dialog.add_button(_("Save now"), Gtk.ResponseType.YES)
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# dialog.set_default_size(200, 60)
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dialog.set_default_response(Gtk.ResponseType.YES)
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response = dialog.run()
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if response == Gtk.ResponseType.YES:
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if self.save_document() == Gtk.ResponseType.CANCEL:
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dialog.destroy()
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return self.check_change()
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dialog.destroy()
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return response
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if response == Gtk.ResponseType.NO:
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dialog.destroy()
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return response
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dialog.destroy()
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return Gtk.ResponseType.CANCEL
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def new_document(self, _widget=None):
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"""create new document
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"""
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if self.check_change() == Gtk.ResponseType.CANCEL:
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return
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self.text_view.clear()
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self.did_change = False
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self.set_filename()
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self.set_headerbar_title(_("New File") + self.title_end)
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def update_default_stat(self):
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self.stats_handler.update_default_stat()
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def update_preview_mode(self):
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self.preview_handler.update_preview_mode()
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def menu_toggle_sidebar(self, _widget=None):
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"""WIP
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"""
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self.sidebar.toggle_sidebar()
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def toggle_spellcheck(self, state):
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"""Enable/disable the autospellchecking
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Arguments:
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status {gtk bool} -- Desired status of the spellchecking
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"""
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self.text_view.set_spellcheck(state.get_boolean())
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def toggle_gradient_overlay(self, state):
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"""Toggle the gradient overlay
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Arguments:
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state {gtk bool} -- Desired state of the gradient overlay (enabled/disabled)
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"""
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if state.get_boolean():
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self.overlay_id = self.scrolled_window.connect_after("draw", self.draw_gradient)
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elif self.overlay_id:
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self.scrolled_window.disconnect(self.overlay_id)
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def reload_preview(self, reshow=False):
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self.preview_handler.reload(reshow=reshow)
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def load_file(self, filename=None):
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"""Open File from command line or open / open recent etc."""
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if self.check_change() == Gtk.ResponseType.CANCEL:
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return
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if filename:
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if filename.startswith('file://'):
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filename = filename[7:]
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filename = urllib.parse.unquote_plus(filename)
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self.text_view.clear()
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try:
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if os.path.exists(filename):
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current_file = codecs.open(filename, encoding="utf-8", mode='r')
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self.text_view.set_text(current_file.read())
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current_file.close()
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self.set_headerbar_title(os.path.basename(filename) + self.title_end)
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self.set_filename(filename)
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except Exception:
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LOGGER.warning("Error Reading File: %r" % Exception)
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self.did_change = False
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else:
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LOGGER.warning("No File arg")
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def open_uberwriter_markdown(self, _widget=None, _data=None):
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"""open a markdown mini tutorial
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"""
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if self.check_change() == Gtk.ResponseType.CANCEL:
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return
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self.load_file(helpers.get_media_file('uberwriter_markdown.md'))
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def open_search_and_replace(self):
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"""toggle the search box
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"""
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self.searchreplace.toggle_search()
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def open_advanced_export(self, _widget=None, _data=None):
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"""open the export and advanced export dialog
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"""
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self.export = Export(self.filename)
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self.export.dialog.set_transient_for(self)
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response = self.export.dialog.run()
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if response == 1:
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self.export.export(bytes(self.text_view.get_text(), "utf-8"))
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self.export.dialog.destroy()
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def open_recent(self, _widget, data=None):
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"""open the given recent document
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"""
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print("open")
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if data:
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if self.check_change() == Gtk.ResponseType.CANCEL:
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return
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self.load_file(data)
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def poll_for_motion(self):
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"""check if the user has moved the cursor to show the headerbar
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Returns:
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True -- Gtk things
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"""
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if (not self.was_motion
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and self.buffer_modified_for_status_bar
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and self.text_view.props.has_focus):
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self.reveal_top_bottom_bars(False)
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self.was_motion = False
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return True
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def on_motion_notify(self, _widget, event, _data=None):
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"""check the motion of the mouse to fade in the headerbar
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"""
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now = event.get_time()
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if now - self.timestamp_last_mouse_motion > 150:
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# filter out accidental motions
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self.timestamp_last_mouse_motion = now
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return
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if now - self.timestamp_last_mouse_motion < 100:
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# filter out accidental motion
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return
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if now - self.timestamp_last_mouse_motion > 100:
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# react on motion by fading in headerbar and statusbar
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self.reveal_top_bottom_bars(True)
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self.was_motion = True
|
||
|
||
def focus_out(self, _widget, _data=None):
|
||
"""events called when the window losses focus
|
||
"""
|
||
self.reveal_top_bottom_bars(True)
|
||
|
||
def reveal_top_bottom_bars(self, reveal):
|
||
if self.top_bottom_bars_visible != reveal:
|
||
self.headerbar.hb_revealer.set_reveal_child(reveal)
|
||
self.stats_revealer.set_reveal_child(reveal)
|
||
for revealer in self.preview_handler.get_top_bottom_bar_revealers():
|
||
revealer.set_reveal_child(reveal)
|
||
self.top_bottom_bars_visible = reveal
|
||
self.buffer_modified_for_status_bar = reveal
|
||
|
||
def draw_gradient(self, _widget, cr):
|
||
"""draw fading gradient over the top and the bottom of the
|
||
TextWindow
|
||
"""
|
||
bg_color = self.get_style_context().get_background_color(Gtk.StateFlags.ACTIVE)
|
||
|
||
lg_top = cairo.LinearGradient(0, 0, 0, 32) # pylint: disable=no-member
|
||
lg_top.add_color_stop_rgba(
|
||
0, bg_color.red, bg_color.green, bg_color.blue, 1)
|
||
lg_top.add_color_stop_rgba(
|
||
1, bg_color.red, bg_color.green, bg_color.blue, 0)
|
||
|
||
width = self.scrolled_window.get_allocation().width
|
||
height = self.scrolled_window.get_allocation().height
|
||
|
||
cr.rectangle(0, 0, width, 32)
|
||
cr.set_source(lg_top)
|
||
cr.fill()
|
||
cr.rectangle(0, height - 32, width, height)
|
||
|
||
lg_btm = cairo.LinearGradient(0, height - 32, 0, height) # pylint: disable=no-member
|
||
lg_btm.add_color_stop_rgba(
|
||
1, bg_color.red, bg_color.green, bg_color.blue, 1)
|
||
lg_btm.add_color_stop_rgba(
|
||
0, bg_color.red, bg_color.green, bg_color.blue, 0)
|
||
|
||
cr.set_source(lg_btm)
|
||
cr.fill()
|
||
|
||
def on_delete_called(self, _widget, _data=None):
|
||
"""Called when the TexteditorWindow is closed.
|
||
"""
|
||
LOGGER.info('delete called')
|
||
if self.check_change() == Gtk.ResponseType.CANCEL:
|
||
return True
|
||
return False
|
||
|
||
def on_mnu_close_activate(self, _widget, _data=None):
|
||
"""Signal handler for closing the Window.
|
||
Overriden from parent Window Class
|
||
"""
|
||
if self.on_delete_called(self): # Really destroy?
|
||
return
|
||
self.destroy()
|
||
return
|
||
|
||
def set_headerbar_title(self, title):
|
||
"""set the desired headerbar title
|
||
"""
|
||
self.headerbar.hb.props.title = title
|
||
self.fs_headerbar.hb.props.title = title
|
||
self.set_title(title)
|
||
|
||
def set_filename(self, filename=None):
|
||
"""set filename
|
||
"""
|
||
if filename:
|
||
self.filename = filename
|
||
base_path = os.path.dirname(self.filename)
|
||
else:
|
||
self.filename = None
|
||
base_path = "/"
|
||
self.settings.set_string("open-file-path", base_path)
|