102 lines
2.8 KiB
Python
102 lines
2.8 KiB
Python
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# Python imports
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# Lib imports
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import gi
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gi.require_version('Gtk', '3.0')
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gi.require_version('Gdk', '3.0')
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from gi.repository import Gtk
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from gi.repository import Gdk
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# Application imports
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from core.widgets.webkit.webkit_ui import WebkitUI
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from .mixins.markdown_preview_mixin import MarkdownPreviewMixin
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class MarkdownPreview(Gtk.Popover, MarkdownPreviewMixin):
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def __init__(self):
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super(MarkdownPreview, self).__init__()
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self.can_hide: bool = True
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self.is_preview_paused: bool = True # True by default b/c started hidden
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self._setup_styling()
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self._setup_signals()
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self._load_widgets()
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def _setup_styling(self):
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ctx = self.get_style_context()
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ctx.add_class("markdown-preview")
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self.set_modal(False)
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self.set_can_focus(False)
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self.set_transitions_enabled(False)
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self.set_size_request(480, 720)
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self.override_background_color(
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Gtk.StateFlags.NORMAL,
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Gdk.RGBA(0, 0, 0, 0.0)
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)
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self.set_constrain_to(
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Gtk.PopoverConstraint.WINDOW
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)
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def _setup_signals(self):
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self.connect("hide", self._handle_hide)
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self.connect("show", self._handle_show)
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def _load_widgets(self):
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box = Gtk.Box()
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bttn_box = Gtk.ButtonBox()
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scrolled_win = Gtk.ScrolledWindow()
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viewport = Gtk.Viewport()
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self._markdown_view = WebkitUI()
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self.start_stop_bttn = Gtk.ToggleButton()
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settings_bttn = Gtk.Button()
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self.start_stop_bttn.set_label("gtk-media-pause")
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self.start_stop_bttn.set_use_stock(True)
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settings_bttn.set_image(
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Gtk.Image.new_from_stock(
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"gtk-justify-fill", Gtk.IconSize.BUTTON
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)
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)
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self._markdown_view.set_vexpand(True)
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box.set_orientation(Gtk.Orientation.VERTICAL)
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self.start_stop_bttn.connect("clicked", self._tggle_preview_updates)
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settings_bttn.connect("clicked", self._handle_settings)
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bttn_box.pack_end(self.start_stop_bttn, expand = False, fill = False, padding = 1)
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bttn_box.pack_end(settings_bttn, expand = False, fill = False, padding = 1)
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viewport.add(self._markdown_view)
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scrolled_win.add(viewport)
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box.add(bttn_box)
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box.add(scrolled_win)
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self.add(box)
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box.show_all()
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def _handle_hide(self, widget):
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if self.can_hide:
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self.is_preview_paused = True
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return False
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return True
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def _handle_show(self, widget):
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self.can_hide = False
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self.is_preview_paused = self.start_stop_bttn.get_active()
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def _tggle_preview_updates(self, widget):
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self.is_preview_paused = not self.is_preview_paused
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def _handle_settings(self, widget):
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...
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