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allow text zooming in lyrics window

This commit is contained in:
Martin Wagner 2023-01-23 19:02:00 +01:00
parent 1b743c96ee
commit cf22013983
1 changed files with 31 additions and 0 deletions
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31
src/mpdevil.py
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@ -2453,7 +2453,14 @@ class LyricsWindow(Gtk.ScrolledWindow):
# text buffer
self._text_buffer=self._text_view.get_buffer()
# css zoom
self._scale=100
self._provider=Gtk.CssProvider()
self._text_view.get_style_context().add_provider(self._provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
# connect
self._text_view.connect("scroll-event", self._on_scroll_event)
self._text_view.connect("key-press-event", self._on_key_press_event)
self._client.emitter.connect("disconnected", self._on_disconnected)
self._song_changed=self._client.emitter.connect("current_song", self._refresh)
self._client.emitter.handler_block(self._song_changed)
@ -2474,6 +2481,11 @@ class LyricsWindow(Gtk.ScrolledWindow):
def disable(self, *args):
self._client.emitter.handler_block(self._song_changed)
def _zoom(self, scale):
if 30 <= scale <= 500:
self._provider.load_from_data(bytes(f"textview{{font-size: {scale}%}}", "utf-8"))
self._scale=scale
def _get_lyrics(self, title, artist):
title=urllib.parse.quote_plus(title)
artist=urllib.parse.quote_plus(artist)
@ -2508,6 +2520,25 @@ class LyricsWindow(Gtk.ScrolledWindow):
self._displayed_song_file=None
self._text_buffer.set_text("", -1)
def _on_scroll_event(self, widget, event):
if event.state & Gdk.ModifierType.CONTROL_MASK:
if event.delta_y < 0:
self._zoom(self._scale+10)
elif event.delta_y > 0:
self._zoom(self._scale-10)
return True
else:
return False
def _on_key_press_event(self, widget, event):
if event.state & Gdk.ModifierType.CONTROL_MASK:
if event.keyval == Gdk.keyval_from_name("plus"):
self._zoom(self._scale+10)
elif event.keyval == Gdk.keyval_from_name("minus"):
self._zoom(self._scale-10)
elif event.keyval == Gdk.keyval_from_name("0"):
self._zoom(100)
def _on_disconnected(self, *args):
self._displayed_song_file=None
self._text_buffer.set_text("", -1)