generated from itdominator/Python-With-Gtk-Template
95 lines
3.1 KiB
Python
95 lines
3.1 KiB
Python
# Python imports
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# Lib imports
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import gi
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gi.require_version('GtkSource', '4')
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from gi.repository import GtkSource
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# Application imports
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class SourceView(GtkSource.View):
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def __init__(self):
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super(SourceView, self).__init__()
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self._language_manager = GtkSource.LanguageManager()
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self._style_scheme_manager = GtkSource.StyleSchemeManager()
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self._general_style_tag = None
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self._buffer = self.get_buffer()
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self._setup_styling()
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self._setup_signals()
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self._subscribe_to_events()
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self._load_widgets()
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def _setup_styling(self):
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self.set_show_line_marks(True)
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self.set_show_line_numbers(True)
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self.set_smart_backspace(True)
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self.set_indent_on_tab(True)
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self.set_insert_spaces_instead_of_tabs(True)
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self.set_auto_indent(True)
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self.set_monospace(True)
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self.set_tab_width(4)
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# self.set_show_right_margin(True)
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# self.set_right_margin_position(80)
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self.set_background_pattern(0) # 0 = None, 1 = Grid
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self._set_buffer_language()
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self._set_buffer_style()
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self._create_default_tag()
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self.set_vexpand(True)
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def _setup_signals(self):
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...
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def _subscribe_to_events(self):
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event_system.subscribe("set_buffer_language", self._set_buffer_language)
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event_system.subscribe("set_buffer_style", self._set_buffer_style)
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event_system.subscribe("toggle_highlight_line", self.toggle_highlight_line)
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event_system.subscribe("scale_up_text", self.scale_up_text)
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event_system.subscribe("scale_down_text", self.scale_down_text)
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def _load_widgets(self):
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...
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def _create_default_tag(self):
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self._general_style_tag = self._buffer.create_tag('general_style')
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self._general_style_tag.set_property('size', 100)
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self._general_style_tag.set_property('scale', 100)
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def _set_buffer_language(self, language = "python3"):
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self._buffer.set_language( self._language_manager.get_language(language) )
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def _set_buffer_style(self, style = "tango"):
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self._buffer.set_style_scheme( self._style_scheme_manager.get_scheme(style) )
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def get_file_watcher(self):
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return None
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def toggle_highlight_line(self, widget=None, eve=None):
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self.set_highlight_current_line( not self.get_highlight_current_line() )
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def scale_up_text(self, scale_step = 10):
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current_scale = self._general_style_tag.get_property('scale')
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start_itr = self._buffer.get_start_iter()
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end_itr = self._buffer.get_end_iter()
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self._general_style_tag.set_property('scale', current_scale + scale_step)
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self._buffer.apply_tag(self._general_style_tag, start_itr, end_itr)
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def scale_down_text(self, scale_step = 10):
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tag_table = self._buffer.get_tag_table()
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start_itr = self._buffer.get_start_iter()
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end_itr = self._buffer.get_end_iter()
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tag = tag_table.lookup('general_style')
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tag.set_property('scale', tag.get_property('scale') - scale_step)
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self._buffer.apply_tag(tag, start_itr, end_itr)
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