Handle canvas SetCurrent error on first render on slow systems

WeixuanZ · Jun 8, 2022 · 147ffd8 · 147ffd8
1 parent 1c1610a
commit 147ffd8
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/Makefile b/Makefile
@@ -2,7 +2,7 @@ SHELL := /bin/bash
 DISPLAY := :0.0
 DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 
-LANGS := zh_CN  # list of supported langugages
+LANGS := zh_CN  # list of supported languages
 LOCALE_DIR := src/locale
 
 

diff --git a/src/gui.py b/src/gui.py
@@ -226,8 +226,12 @@ def handle_file_load(self, path: str):
         # display the canvas
         self.left_sizer.Show(self.Canvas)
         # clear the canvas
-        self.Canvas.signals = []
-        self.Canvas.render()
+        try:
+            self.Canvas.signals = []
+            self.Canvas.render()
+        except Exception:  # nosec
+            # canvas not initialized in first render, if system is slow
+            pass
         self.Layout()
 
         self.StatusBar.PushStatusText(path)