added keybinds to rotate builtin preview clockwise/counter-clockwise

README.md

@@ -6,7 +6,7 @@
 
 [Installation](#installation) • [Usage](#usage) • [Commands](#commands) • [Customization](#customization) • [Wiki](https://github.com/ibhagwan/fzf-lua/wiki)
 
-![](https://raw.githubusercontent.com/wiki/ibhagwan/fzf-lua/demo.gif)
+![Demo](https://raw.githubusercontent.com/wiki/ibhagwan/fzf-lua/demo.gif)
 
 [fzf](https://github.com/junegunn/fzf) changed my life, it can change yours too, if you allow it.
 
@@ -236,6 +236,9 @@ require'fzf-lua'.setup {
       -- Only valid with the 'builtin' previewer
       ["<F3>"]        = "toggle-preview-wrap",
       ["<F4>"]        = "toggle-preview",
+      -- Rotate preview clockwise/counter-clockwise
+      ["<F5>"]        = "toggle-preview-ccw",
+      ["<F6>"]        = "toggle-preview-cw",
       ["<S-down>"]    = "preview-page-down",
       ["<S-up>"]      = "preview-page-up",
       ["<S-left>"]    = "preview-page-reset",

doc/fzf-lua.txt

@@ -9,8 +9,7 @@ Installation <#installation> • Usage <#usage> • Commands <#commands> •
 Customization <#customization> • Wiki
 <https://github.com/ibhagwan/fzf-lua/wiki>
 
-screenshot
-<https://raw.githubusercontent.com/ibhagwan/fzf-lua/main/screenshots/main.png>
+Demo <https://raw.githubusercontent.com/wiki/ibhagwan/fzf-lua/demo.gif>
 
 fzf <https://github.com/junegunn/fzf> changed my life, it can change yours too,
 if you allow it.
@@ -271,6 +270,9 @@ Consult the list below for available settings:
           -- Only valid with the 'builtin' previewer
           ["<F3>"]        = "toggle-preview-wrap",
           ["<F4>"]        = "toggle-preview",
+          -- Rotate preview clockwise/counter-clockwise
+          ["<F5>"]        = "toggle-preview-ccw",
+          ["<F6>"]        = "toggle-preview-cw",
           ["<S-down>"]    = "preview-page-down",
           ["<S-up>"]      = "preview-page-up",
           ["<S-left>"]    = "preview-page-reset",

lua/fzf-lua/config.lua

@@ -40,6 +40,8 @@ M.globals = {
       -- Only valid with the 'builtin' previewer
       ["<F3>"]      = "toggle-preview-wrap",
       ["<F4>"]      = "toggle-preview",
+      ["<F5>"]      = "toggle-preview-ccw",
+      ["<F6>"]      = "toggle-preview-cw",
       ["<S-down>"]  = "preview-page-down",
       ["<S-up>"]    = "preview-page-up",
       ["<S-left>"]  = "preview-page-reset",

lua/fzf-lua/win.lua

@@ -26,6 +26,8 @@ function FzfWin:setup_keybinds()
     keymap_tbl = vim.tbl_deep_extend("keep", keymap_tbl, {
       ['toggle-preview']      = { module = 'win', fnc = 'toggle_preview()' },
       ['toggle-preview-wrap'] = { module = 'win', fnc = 'toggle_preview_wrap()' },
+      ['toggle-preview-cw']   = { module = 'win', fnc = 'toggle_preview_cw(1)' },
+      ['toggle-preview-ccw']  = { module = 'win', fnc = 'toggle_preview_cw(-1)' },
       ['preview-page-up']     = { module = 'win', fnc = 'preview_scroll(-1)' },
       ['preview-page-down']   = { module = 'win', fnc = 'preview_scroll(1)' },
       ['preview-page-reset']  = { module = 'win', fnc = 'preview_scroll(0)' },
@@ -737,6 +739,31 @@ function FzfWin.toggle_preview_wrap()
   end
 end
 
+function FzfWin.toggle_preview_cw(direction)
+  if not _self or _self.winopts.split then return end
+  local self = _self
+  local pos = { 'up', 'right', 'down', 'left' }
+  local idx
+  for i=1,#pos do
+    if pos[i] == self.winopts.preview_pos then
+      idx = i
+      break
+    end
+  end
+  if not idx then return end
+  local newidx = direction>0 and idx+1 or idx-1
+  if newidx<1 then newidx = #pos end
+  if newidx>#pos then newidx = 1 end
+  self.winopts.preview_pos = pos[newidx]
+  self.layout = generate_layout(self.winopts)
+  self:close_preview()
+  self:redraw()
+  self:redraw_preview()
+  if self._previewer and self._previewer.display_last_entry then
+    self._previewer:display_last_entry()
+  end
+end
+
 function FzfWin.preview_scroll(direction)
   if not _self then return end
   local self = _self