hide/show preview on focus working

MarkdownLivePreview.py

@@ -11,6 +11,10 @@ from .functions import *
 
 class MarkdownLivePreviewListener(sublime_plugin.EventListener):
 
+    def __init__(self, *args, **kwargs):
+        super(MarkdownLivePreviewListener, *args, **kwargs)
+        self.last_deactivated_view = None
+
     def on_load(self, view):
         if not is_markdown_view(view):
             return
@@ -25,7 +29,10 @@ class MarkdownLivePreviewListener(sublime_plugin.EventListener):
             return
 
         if not md_view_settings.get(PREVIEW_ID):
+            print('normal, create preview')
+            MarkdownLivePreviewListener.md_view = md_view
             create_preview(md_view)
+            MarkdownLivePreviewListener.has_preview = True
             window.focus_view(md_view)
 
     def on_pre_close(self, view):
@@ -46,7 +53,66 @@ class MarkdownLivePreviewListener(sublime_plugin.EventListener):
 
         if vsettings.get(PREVIEW_ENABLED) is True and id is not None:
             preview = get_view_from_id(window, id)
+            if preview is None:
+                print('preview is None', id)
             preview_settings = preview.settings()
             preview_settings.erase(IS_PREVIEW)
             preview_settings.erase(MD_VIEW_ID)
-            sublime.set_timeout_async(lambda: preview.close(), 250)
+            sublime.set_timeout(lambda: preview.close(), 250)
+
+    def on_deactivated(self, view):
+        self.last_deactivated_view = view
+        return
+        vsettings = view.settings()
+        if vsettings.get(IS_PREVIEW) is True:
+            return
+        if vsettings.get(PREVIEW_ENABLED):
+            id = vsettings.get(IS_PREVIEW)
+            if id is not None:
+                return
+            create_preview(view)
+
+
+    def on_activated(self, view):
+        vsettings = view.settings()
+        if vsettings.get(IS_PREVIEW) is True:
+            return
+        if vsettings.get(PREVIEW_ENABLED):
+            id = vsettings.get(PREVIEW_ID)
+            if vsettings.get(JUST_CREATED) is True:
+                vsettings.erase(JUST_CREATED)
+                print("MarkdownLivePreview.py:84", 'dont create, just created')
+                return
+            if id is not None:
+                print("MarkdownLivePreview.py:86", "dont create, already have a preview id")
+                return
+            print("MarkdownLivePreview.py:87", 'create preview')
+            return create_preview(view)
+
+        if self.last_deactivated_view:
+            hide_preview(self.last_deactivated_view)
+
+
+        return
+        def just_created_preview():
+            return MarkdownLivePreviewListener.just_created_preview
+        vsettings = view.settings()
+        if vsettings.get(PREVIEW_ENABLED) is True:
+            if vsettings.get(PREVIEW_ID) is not None:
+                print('return because already have a preview')
+                return
+
+           # 'view' is the markdown view, which wasn't focus, so didn't have
+           # any preview
+            MarkdownLivePreviewListener.md_view = view
+            MarkdownLivePreviewListener.has_preview = True
+            print('create preview')
+            MarkdownLivePreviewListener.just_created_preview = True
+            create_preview(view)
+        elif vsettings.get(IS_PREVIEW) is True or just_created_preview():
+            print('do nothing because focus view is the preview')
+            MarkdownLivePreviewListener.just_created_preview = False
+        elif MarkdownLivePreviewListener.has_preview:
+            print('hide preview', view.name().__repr__(), view.file_name())
+            hide_preview(MarkdownLivePreviewListener.md_view)
+            MarkdownLivePreviewListener.has_preview = False