Update short_example.jl

Author: Gnimuc

examples/short_example.jl

@@ -24,38 +24,45 @@ music = sfMusic_createFromFile(joinpath(@__DIR__, "Chrono_Trigger.ogg"))
 
 sfMusic_play(music)
 
-event_ref = Ref{sfEvent}()
-
-while Bool(sfRenderWindow_isOpen(window))
-    # process events
-    while Bool(sfRenderWindow_pollEvent(window, event_ref))
-        # close window : exit
-        event_ref[].type == sfEvtClosed && sfRenderWindow_close(window)
-        event_ref[].type == sfEvtResized && println("Trigger sfEvtResized.")
-        event_ref[].type == sfEvtLostFocus && println("Trigger sfEvtLostFocus.")
-        event_ref[].type == sfEvtGainedFocus && println("Trigger sfEvtGainedFocus.")
-        event_ref[].type == sfEvtTextEntered && println("Trigger sfEvtTextEntered: $(event_ref[].text.unicode)")
-        event_ref[].type == sfEvtKeyPressed && println("Trigger sfEvtKeyPressed: $(event_ref[].key.code)")
-        event_ref[].type == sfEvtKeyReleased && println("Trigger sfEvtKeyReleased: $(event_ref[].key.code)")
-        event_ref[].type == sfEvtMouseWheelMoved && println("Trigger sfEvtMouseWheelMoved: $(event_ref[].mouseWheel.sfMouseVerticalWheel)")
-        event_ref[].type == sfEvtMouseWheelScrolled && println("Trigger sfEvtMouseWheelScrolled: $(event_ref[].mouseWheel.sfMouseVerticalWheel)")
-        event_ref[].type == sfEvtMouseButtonPressed && println("Trigger sfEvtMouseButtonPressed: $(event_ref[].mouseButton.button)")
-        event_ref[].type == sfEvtMouseButtonReleased && println("Trigger sfEvtMouseButtonReleased: $(event_ref[].mouseButton.x), $(event_ref[].mouseButton.y)")
-        event_ref[].type == sfEvtMouseMoved && println("Trigger sfEvtMouseMoved: $(event_ref[].mouseMove.x), $(event_ref[].mouseMove.y)")
+try
+    event_ref = Ref{sfEvent}()
+    while Bool(sfRenderWindow_isOpen(window))
+        # process events
+        while Bool(sfRenderWindow_pollEvent(window, event_ref))
+            # close window : exit
+            event_ref[].type == sfEvtClosed && sfRenderWindow_close(window)
+            event_ref[].type == sfEvtResized && println("Trigger sfEvtResized.")
+            event_ref[].type == sfEvtLostFocus && println("Trigger sfEvtLostFocus.")
+            event_ref[].type == sfEvtGainedFocus && println("Trigger sfEvtGainedFocus.")
+            event_ref[].type == sfEvtTextEntered && println("Trigger sfEvtTextEntered: $(event_ref[].text.unicode)")
+            event_ref[].type == sfEvtKeyPressed && println("Trigger sfEvtKeyPressed: $(event_ref[].key.code)")
+            event_ref[].type == sfEvtKeyReleased && println("Trigger sfEvtKeyReleased: $(event_ref[].key.code)")
+            event_ref[].type == sfEvtMouseWheelMoved && println("Trigger sfEvtMouseWheelMoved: $(event_ref[].mouseWheel.x), $(event_ref[].mouseWheel.y)")
+            event_ref[].type == sfEvtMouseWheelScrolled && println("Trigger sfEvtMouseWheelScrolled: $(event_ref[].mouseWheelScroll.wheel)")
+            event_ref[].type == sfEvtMouseButtonPressed && println("Trigger sfEvtMouseButtonPressed: $(event_ref[].mouseButton.button)")
+            event_ref[].type == sfEvtMouseButtonReleased && println("Trigger sfEvtMouseButtonReleased: $(event_ref[].mouseButton.x), $(event_ref[].mouseButton.y)")
+            event_ref[].type == sfEvtMouseMoved && println("Trigger sfEvtMouseMoved: $(event_ref[].mouseMove.x), $(event_ref[].mouseMove.y)")
+        end
+        # clear the screen
+        sfRenderWindow_clear(window, sfColor_fromRGBA(0,0,0,1))
+        # draw the sprite
+        sfRenderWindow_drawSprite(window, sprite, C_NULL)
+        # draw the text
+        sfRenderWindow_drawText(window, text, C_NULL)
+        # update the window
+        sfRenderWindow_display(window)
     end
-    # clear the screen
-    sfRenderWindow_clear(window, sfColor_fromRGBA(0,0,0,1))
-    # draw the sprite
-    sfRenderWindow_drawSprite(window, sprite, C_NULL)
-    # draw the text
-    sfRenderWindow_drawText(window, text, C_NULL)
-    # update the window
-    sfRenderWindow_display(window)
+catch e
+    @error "Error in renderloop!" exception=e
+    Base.show_backtrace(stderr, catch_backtrace())
+finally
+    sfMusic_destroy(music)
+    sfText_destroy(text)
+    sfFont_destroy(font)
+    sfSprite_destroy(sprite)
+    sfTexture_destroy(texture)
+    sfRenderWindow_destroy(window)    
 end
 
-sfMusic_destroy(music)
-sfText_destroy(text)
-sfFont_destroy(font)
-sfSprite_destroy(sprite)
-sfTexture_destroy(texture)
-sfRenderWindow_destroy(window)
+
+