return to previous filemanager view instead of opening a new one

frontend/apps/filemanager/filemanager.lua

@@ -175,15 +175,19 @@ end
 
 function FileManager:showFiles(path)
     DEBUG("show home page")
+    local screen_mode = G_reader_settings:readSetting("fm_screen_mode") or "portrait"
+    Screen:setScreenMode(screen_mode)
     path = path or G_reader_settings:readSetting("lastdir") or self:getDefaultDir()
     G_reader_settings:saveSetting("lastdir", path)
     UIManager:show(FileManager:new{
         dimen = Screen:getSize(),
         root_path = path,
         onExit = function()
+            self.is_running = false
             UIManager:quit()
         end
     })
+    self.is_running = true
 end
 
 function FileManager:copyFile(file)

frontend/apps/reader/modules/readerconfig.lua

@@ -78,7 +78,7 @@ function ReaderConfig:onCloseCallback()
 end
 
 -- event handler for readercropping
-function ReaderConfig:onCloseConfig()
+function ReaderConfig:onCloseConfigMenu()
     self.config_dialog:closeDialog()
 end
 

frontend/apps/reader/modules/readercropping.lua

@@ -67,7 +67,7 @@ local ReaderCropping = InputContainer:new{}
 
 function ReaderCropping:onPageCrop(mode)
     if mode == "auto" then return end
-    self.ui:handleEvent(Event:new("CloseConfig"))
+    self.ui:handleEvent(Event:new("CloseConfigMenu"))
     -- backup original view dimen
     self.orig_view_dimen = Geom:new{w = self.view.dimen.w, h = self.view.dimen.h}
     -- backup original view bgcolor

frontend/apps/reader/modules/readermenu.lua

@@ -41,19 +41,18 @@ function ReaderMenu:init()
         filemanager = {
             icon = "resources/icons/appbar.cabinet.files.png",
             callback = function()
-                self.ui:handleEvent(Event:new("RestoreScreenMode",
-                    G_reader_settings:readSetting("screen_mode") or "portrait"))
                 self.ui:onClose()
-                UIManager:quit()
+                self:onTapCloseMenu()
                 local FileManager = require("apps/filemanager/filemanager")
-                FileManager:showFiles()
+                if not FileManager.is_running then
+                    UIManager:quit()
+                    FileManager:showFiles()
+                end
             end,
         },
         home = {
             icon = "resources/icons/appbar.home.png",
             callback = function()
-                self.ui:handleEvent(Event:new("RestoreScreenMode",
-                    G_reader_settings:readSetting("screen_mode") or "portrait"))
                 self.ui:onClose()
                 UIManager:quit()
             end,
@@ -139,7 +138,7 @@ function ReaderMenu:setUpdateItemTable()
             })
         end
     })
-    
+
     --typeset tab
     if KOBO_SCREEN_SAVER_LAST_BOOK then
         local exclude = self.ui.doc_settings:readSetting("exclude_screensaver") or false
@@ -217,6 +216,11 @@ function ReaderMenu:onTapShowMenu()
     return true
 end
 
+function ReaderMenu:onTapCloseMenu()
+    self.ui:handleEvent(Event:new("CloseReaderMenu"))
+    self.ui:handleEvent(Event:new("CloseConfigMenu"))
+end
+
 function ReaderMenu:onSetDimensions(dimen)
     -- update listening according to new screen dimen
     if Device:isTouchDevice() then