Refactor preview unloading

ST3 reliably calls plugin_unloaded() when disabling packages.

Author: deathaxe

04_reset_phantoms.py

@@ -61,6 +61,15 @@ def plugin_loaded():
 
 
 def plugin_unloaded():
+    for w in sublime.windows():
+        for v in w.views():
+            if not v.match_selector(0, 'text.tex.latex'):
+                continue
+
+            v.erase_phantoms(_name)
+            v.settings().clear_on_change(_name)
+
+    _lt_settings.clear_on_change(_name)
     _lt_settings.clear_on_change("lt_preview_image_main")
 
 

st_preview/preview_image.py

@@ -116,6 +116,15 @@ def plugin_loaded():
 def plugin_unloaded():
     global _IS_ENABLED
     _IS_ENABLED = False
+
+    for w in sublime.windows():
+        for v in w.views():
+            if not v.match_selector(0, 'text.tex.latex'):
+                continue
+            v.erase_phantoms(_name)
+            v.settings().clear_on_change(_name)
+
+    _lt_settings.clear_on_change(_name)
     _lt_settings.clear_on_change("lt_preview_math_main")