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xdot/ui/elements: Bugfix: Check if GTK default settings are Null #124

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Apr 17, 2024
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xdot/ui/elements: Bugfix: Check if GTK default settings are Null #124

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10 changes: 7 additions & 3 deletions xdot/ui/elements.py
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,6 @@ def get_text(self):
class TextShape(Shape):

LEFT, CENTER, RIGHT = -1, 0, 1
DEFAULT_FONTNAME = Gtk.Settings.get_default().get_property("gtk-font-name")

def __init__(self, pen, x, y, j, w, t):
Shape.__init__(self)
Expand All @@ -111,6 +110,11 @@ def __init__(self, pen, x, y, j, w, t):
self.j = j # Centering
self.w = w # width
self.t = t # text
default_settings = Gtk.Settings.get_default()
if default_settings:
self.default_fontname = default_settings.get_property("gtk-font-name")
else:
self.default_fontname = self.pen.fontname

def _font_available(self, fontname, pango_context):
available_fonts = [family.get_name() for family in pango_context.list_families()]
Expand Down Expand Up @@ -169,10 +173,10 @@ def _draw(self, cr, highlight, bounding):
else:
msg = "Font family {fontname!r} is not available, using {default!r}".format(
fontname=self.pen.fontname,
default=self.DEFAULT_FONTNAME
default=self.default_fontname
)
warnings.warn(msg)
font.set_family(self.DEFAULT_FONTNAME)
font.set_family(self.default_fontname)

font.set_absolute_size(self.pen.fontsize*Pango.SCALE)
layout.set_font_description(font)
Expand Down
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