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36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
From 6cf9b31a18c863445df24f2b565705cd916d2cfe Mon Sep 17 00:00:00 2001
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From: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Mon, 16 Oct 2017 11:32:13 +1000
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Subject: [PATCH 27/30] MouseMap: if the old highlight is None, don't try to
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redraw
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When pressing a button and moving out of the button area with the button held
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down, we get two leave events - once when actually leaving the button and once
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more when the button press is released later. On the second call, the old
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highlight is already None, causing a crash when we're trying to get SVG
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information about it.
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Fixes #185
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---
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piper/mousemap.py | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/piper/mousemap.py b/piper/mousemap.py
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index 0d8fbb5..716bd64 100644
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--- a/piper/mousemap.py
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+++ b/piper/mousemap.py
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@@ -314,6 +314,10 @@ class MouseMap(Gtk.Container):
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def _on_leave(self, widget, event):
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# Restores the device SVG to its original state.
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old_highlight = self._highlight_element
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+
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+ if old_highlight is None:
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+ return
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+
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self._highlight_element = None
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self._redraw_svg_element(old_highlight)
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--
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2.16.1
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