mime fixes

 * use vim for text/plain
 * use pcmanfm-qt
 * store pcmanfm-qt config

.config/pcmanfm-qt/default/settings.conf

@@ -0,0 +1,127 @@
+[Behavior]
+AutoSelectionDelay=600
+BookmarkOpenMethod=current_tab
+ConfirmDelete=true
+ConfirmTrash=false
+CtrlRightClick=false
+NoUsbTrash=false
+QuickExec=false
+RecentFilesNumber=0
+SelectNewFiles=false
+SingleClick=false
+SingleWindowMode=false
+UseTrash=true
+
+[Desktop]
+AllSticky=false
+BgColor=#000000
+DesktopCellMargins=@Size(3 1)
+DesktopIconSize=48
+DesktopShortcuts=@Invalid()
+FgColor=#ffffff
+Font="Sans Serif,9,-1,5,50,0,0,0,0,0"
+HideItems=false
+LastSlide=
+OpenWithDefaultFileManager=false
+PerScreenWallpaper=false
+ShadowColor=#000000
+ShowHidden=false
+ShowWmMenu=false
+SlideShowInterval=0
+SortColumn=name
+SortFolderFirst=true
+SortHiddenLast=false
+SortOrder=ascending
+TransformWallpaper=false
+Wallpaper=
+WallpaperDialogSize=@Size(700 500)
+WallpaperDialogSplitterPos=200
+WallpaperDirectory=
+WallpaperMode=none
+WallpaperRandomize=false
+WorkAreaMargins=12, 12, 12, 12
+
+[FolderView]
+BackupAsHidden=false
+BigIconSize=48
+CustomColumnWidths=@Invalid()
+FolderViewCellMargins=@Size(3 3)
+HiddenColumns=@Invalid()
+Mode=detailed
+NoItemTooltip=false
+ScrollPerPixel=true
+ShadowHidden=false
+ShowFilter=false
+ShowFullNames=false
+ShowHidden=false
+SidePaneIconSize=24
+SmallIconSize=24
+SortCaseSensitive=false
+SortColumn=name
+SortFolderFirst=true
+SortHiddenLast=false
+SortOrder=ascending
+ThumbnailIconSize=128
+
+[Places]
+HiddenPlaces=@Invalid()
+PlacesApplications=true
+PlacesComputer=true
+PlacesDesktop=true
+PlacesHome=true
+PlacesNetwork=true
+PlacesRoot=true
+PlacesTrash=true
+
+[Search]
+ContentPatterns=@Invalid()
+MaxSearchHistory=0
+NamePatterns=@Invalid()
+searchContentCaseInsensitive=false
+searchContentRegexp=true
+searchNameCaseInsensitive=false
+searchNameRegexp=true
+searchRecursive=false
+searchhHidden=false
+
+[System]
+Archiver=file-roller
+FallbackIconThemeName=Adwaita
+OnlyUserTemplates=false
+SIUnit=false
+SuCommand=lxqt-sudo %s
+TemplateRunApp=false
+TemplateTypeOnce=false
+Terminal=xterm
+
+[Thumbnail]
+MaxExternalThumbnailFileSize=-1
+MaxThumbnailFileSize=4096
+ShowThumbnails=true
+ThumbnailLocalFilesOnly=true
+
+[Volume]
+AutoRun=true
+CloseOnUnmount=true
+MountOnStartup=true
+MountRemovable=true
+
+[Window]
+AlwaysShowTabs=true
+FixedHeight=480
+FixedWidth=640
+FullWidthTabBar=true
+LastWindowHeight=616
+LastWindowMaximized=false
+LastWindowWidth=1164
+PathBarButtons=true
+RememberWindowSize=true
+ReopenLastTabs=false
+ShowMenuBar=true
+ShowTabClose=true
+SidePaneMode=places
+SidePaneVisible=true
+SplitView=false
+SplitterPos=150
+SwitchToNewTab=false
+TabPaths=@Invalid()

.local/share/applications/defaults.list

@@ -13,6 +13,7 @@ application/x-vrmonitor=valve-vrmonitor.desktop
 x-scheme-handler/vrmonitor=valve-URI-vrmonitor.desktop
 
 [Added associations]
+inode/directory=pcmanfm-qt.desktop
 video/x-matroska=mpv.desktop
 audio/x-matroska=mpv.desktop
 application/x-matroska=mpv.desktop

.local/share/applications/mimeapps.list

@@ -1,5 +1,4 @@
 [Default Applications]
-inode/directory=pcmanfm.desktop
 image/png=viewnior.desktop
 text/html=firefox.desktop
 x-scheme-handler/http=firefox.desktop
@@ -21,7 +20,8 @@ application/x-extension-xht=firefox.desktop
 x-scheme-handler/msteams=teams.desktop
 
 [Added Associations]
-text/plain=leafpad.desktop;
+inode/directory=pcmanfm-qt.desktop
+text/plain=vim.desktop;
 image/png=viewnior.desktop;
 application/octet-stream=evince.desktop;viewnior.desktop;atril.desktop;
 image/jpeg=viewnior.desktop;

.local/share/applications/vim.desktop

@@ -0,0 +1,12 @@
+[Desktop Entry]
+Encoding=UTF-8
+Name=Vim Text Editor (Console)
+Comment=Edit text files in a console using Vim
+Exec=ctxterm -e vim %F
+Terminal=true
+Type=Application
+Categories=Application;Utility;TextEditor;
+StartupNotify=true
+MimeType=text/plain;
+NoDisplay=true
+