wezterm: Add event handling

wezterm/.config/wezterm/events.lua

@@ -0,0 +1,63 @@
+local wezterm = require 'wezterm'
+local io = require 'io'
+local os = require 'os'
+local act = wezterm.action
+
+local function setup()
+    local function isViProcess(pane)
+        local proc = pane:get_foreground_process_name()
+        if (proc:find('vim') or proc:find('nvim')) then return true end
+        return false
+    end
+
+    local function conditionalActivatePane(window, pane, pane_direction,
+                                           vim_direction)
+        if (isViProcess(pane)) then
+            window:perform_action(act.Multiple {
+                act.SendKey { key = 'w', mods = 'CTRL' },
+                act.SendKey { key = vim_direction }
+            }, pane)
+        else
+            window:perform_action(act.ActivatePaneDirection(pane_direction),
+                pane)
+        end
+    end
+
+    wezterm.on('ActivatePaneDirection-right', function(window, pane)
+        conditionalActivatePane(window, pane, 'Right', 'l')
+    end)
+    wezterm.on('ActivatePaneDirection-left', function(window, pane)
+        conditionalActivatePane(window, pane, 'Left', 'h')
+    end)
+    wezterm.on('ActivatePaneDirection-up', function(window, pane)
+        conditionalActivatePane(window, pane, 'Up', 'k')
+    end)
+    wezterm.on('ActivatePaneDirection-down', function(window, pane)
+        conditionalActivatePane(window, pane, 'Down', 'j')
+    end)
+
+    -- Retrieve the current scrollback text and send to editor
+    wezterm.on('edit-scrollback', function(window, pane)
+        local viewport_text = pane:get_lines_as_text(10000)
+
+        -- Create a temporary file to pass to vim
+        local name = os.tmpname()
+
+        local f = io.open(name, 'w+')
+        if f == nil then return false end
+        f:write(viewport_text)
+        f:flush()
+        f:close()
+
+        -- Open a new window running vim and tell it to open the file
+        window:perform_action(act.SpawnCommandInNewTab {
+            args = { (os.getenv('EDITOR') or 'vi'), name }
+        }, pane)
+
+        -- Wait time for vim to read the file before we remove it.
+        wezterm.sleep_ms(1000)
+        os.remove(name)
+    end)
+end
+
+return { setup = setup }

wezterm/.config/wezterm/maps.lua

@@ -1,7 +1,11 @@
-local act = require('wezterm').action
+local wezterm = require('wezterm')
+local act = wezterm.action
+
 local keys = {
     { key = 'O', mods = 'CTRL', action = act.ShowDebugOverlay },
 
+    { key = '[', mods = 'CTRL', action = act.ScrollToPrompt(-1) },
+    { key = ']', mods = 'CTRL', action = act.ScrollToPrompt(1) },
     { -- vertical pane
         key = '\\',
         mods = 'LEADER',
@@ -10,11 +14,26 @@ local keys = {
         key = '-',
         mods = 'LEADER',
         action = act.SplitVertical { domain = 'CurrentPaneDomain' }
-    }, { key = 'h', mods = 'CTRL', action = act.ActivatePaneDirection 'Left' },
-    { key = 'j', mods = 'CTRL', action = act.ActivatePaneDirection 'Down' },
-    { key = 'k', mods = 'CTRL', action = act.ActivatePaneDirection 'Up' },
-    { key = 'l', mods = 'CTRL', action = act.ActivatePaneDirection 'Right' },
-    { key = 'z', mods = 'LEADER', action = act.TogglePaneZoomState },
+    }, -- pane movement keys
+    {
+        key = 'h',
+        mods = 'CTRL',
+        action = act.EmitEvent 'ActivatePaneDirection-left'
+    },
+    {
+        key = 'j',
+        mods = 'CTRL',
+        action = act.EmitEvent 'ActivatePaneDirection-down'
+    },
+    {
+        key = 'k',
+        mods = 'CTRL',
+        action = act.EmitEvent 'ActivatePaneDirection-up'
+    }, {
+        key = 'l',
+        mods = 'CTRL',
+        action = act.EmitEvent 'ActivatePaneDirection-right'
+    }, { key = 'z', mods = 'LEADER', action = act.TogglePaneZoomState },
     { key = ' ', mods = 'LEADER', action = act.RotatePanes 'Clockwise' },
     { key = 'q', mods = 'LEADER', action = act.PaneSelect { mode = 'Activate' } },
     {
@@ -22,24 +41,38 @@ local keys = {
         mods = 'LEADER',
         action = act.PaneSelect { mode = 'SwapWithActive' }
     }, { key = 'c', mods = 'LEADER', action = act.SpawnTab 'CurrentPaneDomain' },
-
-    { key = 't', mods = 'LEADER', action = act.ShowTabNavigator },
+    { key = ',', mods = 'LEADER', action = act.MoveTabRelative(-1) },
+    { key = '.', mods = 'LEADER', action = act.MoveTabRelative(1) }, -- workspace selection
+    {
+        key = 's',
+        mods = 'LEADER',
+        action = act.ShowLauncherArgs { flags = 'FUZZY|WORKSPACES' }
+    }, { key = 't', mods = 'LEADER', action = act.ShowTabNavigator },
     { key = '[', mods = 'LEADER', action = act.ActivateCopyMode }, {
         key = 'r',
         mods = 'LEADER',
         action = act.ActivateKeyTable {
             name = 'resize_pane',
             one_shot = false,
-            timeout_milliseconds = 2000
+            timeout_milliseconds = 2000,
+            replace_current = true
         }
     }, { key = 'F', mods = 'LEADER', action = act.QuickSelect }, {
         key = '/',
         mods = 'LEADER',
         action = act.Search('CurrentSelectionOrEmptyString')
     }, {
-        key = 'b',
+        key = 'f',
         mods = 'LEADER',
-        action = act.ActivateKeyTable { name = 'scroll_mode', one_shot = false }
+        action = act.ActivateKeyTable {
+            name = 'scroll_mode',
+            one_shot = false,
+            replace_current = true
+        }
+    }, { key = 'e', mods = 'LEADER', action = act.EmitEvent 'edit-scrollback' }, {
+        key = 'l',
+        mods = 'LEADER',
+        action = act.EmitEvent 'ActivatePaneDirection-Right'
     }
 
 }
@@ -59,6 +92,10 @@ local key_tables = {
         { key = 'l', action = act.AdjustPaneSize { 'Right', 1 } },
         { key = 'k', action = act.AdjustPaneSize { 'Up', 1 } },
         { key = 'j', action = act.AdjustPaneSize { 'Down', 1 } },
+        { key = 'H', action = act.AdjustPaneSize { 'Left', 10 } },
+        { key = 'L', action = act.AdjustPaneSize { 'Right', 10 } },
+        { key = 'K', action = act.AdjustPaneSize { 'Up', 10 } },
+        { key = 'J', action = act.AdjustPaneSize { 'Down', 10 } },
         { key = 'Escape', action = 'PopKeyTable' }
     },
     scroll_mode = {
@@ -70,8 +107,6 @@ local key_tables = {
         { key = 'u', mods = 'CTRL', action = act.ScrollByPage(-0.5) },
         { key = 'g', mods = 'CTRL', action = act.ScrollToTop },
         { key = 'G', mods = 'CTRL', action = act.ScrollToBottom },
-        { key = '[', mods = 'CTRL', action = act.ScrollToPrompt(-1) },
-        { key = ']', mods = 'CTRL', action = act.ScrollToPrompt(1) },
         { key = 'Escape', action = 'PopKeyTable' }
     }
 }

wezterm/.config/wezterm/statusbar.lua

@@ -0,0 +1,46 @@
+local wezterm = require 'wezterm'
+
+local function basename(s) return string.gsub(s or '', '(.*[/\\])(.*)', '%2') end
+
+local SEPARATOR = ' | '
+local function setup()
+    -- STATUSBAR
+    -- show currently active key table in lower right status bar
+    -- mimicing Vim modes
+    wezterm.on('update-status', function(window, pane)
+        local displayed = { left = {}, right = {} }
+        local keytable = window:active_key_table()
+        if keytable then
+            displayed.left[#displayed.left + 1] = 'MODE: ' .. keytable
+        end
+
+        local workspace = window:active_workspace()
+        if workspace and workspace ~= 'default' then
+            displayed.left[#displayed.left + 1] = 'WORKSPACE: ' .. workspace
+        end
+
+        local bat = ''
+        for _, b in ipairs(wezterm.battery_info()) do
+            bat = '🔋 ' .. string.format('%.0f%%', b.state_of_charge * 100) ..
+                ' ' .. b.state
+        end
+        displayed.right[#displayed.right + 1] = bat
+
+        local currentprogram = pane:get_foreground_process_name()
+        displayed.right[#displayed.right + 1] = basename(currentprogram)
+
+        local statusleft = ''
+        for _, v in ipairs(displayed.left) do
+            statusleft = statusleft .. v .. SEPARATOR
+        end
+        local statusright = ''
+        for _, v in ipairs(displayed.right) do
+            statusright = statusright .. v .. SEPARATOR
+        end
+
+        window:set_left_status(statusleft or '')
+        window:set_right_status(statusright or '')
+    end)
+end
+
+return { setup = setup }

wezterm/.config/wezterm/wezterm.lua

@@ -3,56 +3,26 @@ local mux = wezterm.mux
 
 local maps = require 'maps'
 
--- STATUSBAR
--- show currently active key table in lower right status bar
--- mimicking Vim modes
-wezterm.on('update-right-status', function(window, _)
-    local keytable = window:active_key_table()
-    if keytable then
-        keytable = 'MODE: ' .. keytable
-    else
-        keytable = ''
-    end
-    local workspace = window:active_workspace()
-    if workspace and workspace ~= 'default' then
-        workspace = 'WORKSPACE: ' .. workspace
-    else
-        workspace = ''
-    end
+require 'statusbar'.setup()
+require 'events'.setup()
 
-    local status = keytable .. ' ' .. workspace
-    window:set_left_status(status or '')
-
-    -- "Wed Mar 3 08:14"
-    local date = wezterm.strftime '%a %b %-d %H:%M '
-
-    local bat = ''
-    for _, b in ipairs(wezterm.battery_info()) do
-        bat =
-            '🔋 ' .. string.format('%.0f%%', b.state_of_charge * 100) .. ' ' ..
-                b.state
-    end
-
-    window:set_right_status(wezterm.format {{Text = bat .. '   ' .. date}})
-end)
-
-wezterm.on("set-up-dotfile-workspace", function(window, pane)
-    -- Set a workspace for coding on a current project
-    -- Top pane is for the editor, bottom pane is for the build tool
-    local project_dir = wezterm.home_dir .. '/projects/test/quarto/quarto-test'
-    local tab, build_pane, window = mux.spawn_window {
-        workspace = 'coding',
-        cwd = project_dir,
-        args = args
-    }
-    local editor_pane = build_pane:split{
-        direction = 'Top',
-        size = 0.6,
-        cwd = project_dir
-    }
-    build_pane:send_text 'quarto check'
-    mux.set_active_workspace 'coding'
-end)
+-- wezterm.on("set-up-dotfile-workspace", function(window, pane)
+--     -- Set a workspace for coding on a current project
+--     -- Top pane is for the editor, bottom pane is for the build tool
+--     local project_dir = wezterm.home_dir .. '/projects/test/quarto/quarto-test'
+--     local tab, build_pane, window = mux.spawn_window {
+--         workspace = 'coding',
+--         cwd = project_dir,
+--         args = args
+--     }
+--     local editor_pane = build_pane:split{
+--         direction = 'Top',
+--         size = 0.6,
+--         cwd = project_dir
+--     }
+--     build_pane:send_text 'quarto check'
+--     mux.set_active_workspace 'coding'
+-- end)
 --
 -- wezterm.on('gui-startup', function(cmd)
 --     -- allow `wezterm start -- something` to affect what we spawn
@@ -92,16 +62,17 @@ return {
     hide_tab_bar_if_only_one_tab = true,
     use_fancy_tab_bar = false,
     tab_bar_at_bottom = true,
-    window_padding = {left = 0, right = 0, top = 0, bottom = 0},
+    window_padding = { left = 0, right = 0, top = 0, bottom = 0 },
+
+    color_scheme = "Mexico Light (base16)",
 
-    color_scheme = "Nord (base16)",
     -- default_prog = {"nu"},
     scrollback_lines = 10000,
 
     font = wezterm.font('Liga Iosevka'),
     line_height = 1.0,
 
-    leader = {key = 'a', mods = 'CTRL', timeout_milliseconds = 1500},
+    leader = { key = 'a', mods = 'CTRL', timeout_milliseconds = 1500 },
     keys = maps.keys,
     key_tables = maps.key_tables
 }