update

11 files changed, 242 insertions, 52 deletions

diff --git a/src/.bashrc b/src/.bashrc
index 53036bf..d69cb43 100644
--- a/src/.bashrc
+++ b/src/.bashrc
@@ -12,11 +12,18 @@ export LC_ALL=en_US.UTF-8
 source ~/.bashrc_ps1
 source ~/.bashrc_alias
 
+# Minimalist PS1: shows last exit, user, current folder
+
+PS1='[\$? \u \W ]\$ '
+
+
 # colored GCC warnings and errors
 export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'
 
 # PATH
 export PATH=~/bin:$PATH
+export PATH=~/bin/audio-convert:$PATH
+
 
 # Title bar
 #echo -ne "\033]0;$(lsb_release -ds) $(hostname) $(uname -r)\007"
diff --git a/src/.bashrc_alias b/src/.bashrc_alias
index d25769c..b6fe39a 100644
--- a/src/.bashrc_alias
+++ b/src/.bashrc_alias
@@ -1,2 +1,4 @@
 alias ta='tmux a -t'
 alias tl='tmux ls'
+
+alias lsg='ls --group-directories-first'
diff --git a/src/.bashrc_ps1 b/src/.bashrc_ps1
index ae945a1..48599a5 100644
--- a/src/.bashrc_ps1
+++ b/src/.bashrc_ps1
@@ -1,49 +1,45 @@
-# Dynamic PS1: exit code, time, user, current directory, git, colorized
+# Dynamic PS1 using terminal palette colors only
 function update_ps1 {
     local exit_code=$?
 
     # Color exit code: green if 0, red otherwise
     if [[ $exit_code -eq 0 ]]; then
-        local exit_display="\[\033[1;32m\]$exit_code\[\033[0m\]"  # green
+        local exit_display="\[\e[1;32m\]$exit_code\[\e[0m\]"  # bright green
     else
-        local exit_display="\[\033[1;31m\]$exit_code\[\033[0m\]"  # red
+        local exit_display="\[\e[1;31m\]$exit_code\[\e[0m\]"  # bright red
     fi
 
-    # Symbol always white
-    local symbol="\[\033[1;37m\]\$\[\033[0m\]"
+    # Symbol always bright white
+    local symbol="\[\e[1;37m\]\$\[\e[0m\]"
 
-    # White brackets
-    local open_bracket="\[\033[1;37m\][\[\033[0m\]"
-    local close_bracket="\[\033[1;37m\]]\[\033[0m\]"
+    # Brackets in bright white
+    local open_bracket="\[\e[1;37m\][\[\e[0m\]"
+    local close_bracket="\[\e[1;37m\]]\[\e[0m\]"
 
-    # Time in HH:MM:SS
-    #local time="\[\033[1;37m\]\t\[\033[0m\]"
-
-    # User
-    #local user="\[\033[1;37m\]\u\[\033[0m\]"
+    # User: red for root, cyan otherwise
     if [ $(id -u) -eq 0 ]; then
-        local user="\[\033[1;31m\]\u\[\033[0m\]"
+        local user="\[\e[1;31m\]\u\[\e[0m\]"
     else
-        local user="\[\033[1;36m\]\u\[\033[0m\]"
+        local user="\[\e[1;36m\]\u\[\e[0m\]"
     fi
 
-    # Current folder only, ~ for home
-    local folder="\[\033[1;33m\]\W\[\033[0m\]"
+    # Current folder: yellow
+    local folder="\[\e[1;33m\]\W\[\e[0m\]"
 
-    # Git status
+    # Git status: green if up to date, red if ahead, yellow if dirty
     local git_status=""
-    if [[ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" == true ]]; then
-        if [[ -z $(git log origin/master..HEAD 2>/dev/null) ]]; then
-            git_status="\[\033[1;38;5;10m\](git)\[\033[0m\]"  # green if up to date
+    if git rev-parse --is-inside-work-tree &>/dev/null; then
+        if [[ -z $(git status --porcelain 2>/dev/null) ]]; then
+            git_status="\[\e[1;32m\](git)\[\e[0m\]"  # clean
         else
-            git_status="\[\033[1;38;5;9m\](git)\[\033[0m\]"   # red if ahead
+            git_status="\[\e[1;31m\](git)\[\e[0m\]"  # dirty
         fi
     fi
 
     # Build the prompt
-    export PS1="${open_bracket} ${exit_display} ${user} ${folder} ${git_status}${close_bracket} ${symbol} "
+    PS1="${open_bracket}${exit_display} ${user} ${folder}${git_status}${close_bracket}${symbol} "
 }
 
-
 # Update PS1 after every command
 PROMPT_COMMAND='update_ps1'
+
diff --git a/src/.tmux-procman/shell.pid b/src/.tmux-procman/shell.pid
new file mode 100644
index 0000000..3a20daa
--- /dev/null
+++ b/src/.tmux-procman/shell.pid
@@ -0,0 +1 @@
+1251
diff --git a/src/.tmux.conf b/src/.tmux.conf
index 7b66371..6302a09 100755
--- a/src/.tmux.conf
+++ b/src/.tmux.conf
@@ -7,6 +7,12 @@ set -g status on
 set -g history-limit 10000
 set -g terminal-overrides ',*:Tc'
 
+
+set-option -g display-panes-time 100  # milliseconds
+set-option -g repeat-time 50  # in milliseconds, default is 500
+set-option -s escape-time 10  # default 500ms, lower = faster key recognition
+
+
 # Pass through bracketed paste
 bind-key ] run-shell "tmux set-buffer -- \"$(xclip -o -selection clipboard)\"; tmux paste-buffer"
 
diff --git a/src/.tmux/themes/linux.theme b/src/.tmux/themes/linux.theme
new file mode 100644
index 0000000..2741e83
--- /dev/null
+++ b/src/.tmux/themes/linux.theme
@@ -0,0 +1,38 @@
+# ================================
+# Linux style: black and light gray (active tab light foreground)
+# ================================
+
+# Status bar background black, foreground light gray
+set -g status-bg "#000000"          # Pure black
+set -g status-fg "#cccccc"          # Light gray
+
+# Status left (session name)
+set -g status-left "#[bold]#[fg=#cccccc,bg=#000000] ⧉ #S #[default]"
+
+# Refresh status bar every second (live clock)
+set -g status-interval 1
+
+# Status right (clock, date, host)
+set -g status-right "#[bold]#[fg=#cccccc,bg=#000000] %H:%M:%S | %d %b %Y | #H #[default]"
+
+# Window status inactive (gray on black, bold)
+setw -g window-status-format "#[bold,fg=#888888,bg=#000000] #I:#W #[default]"
+
+# Window status active (inverse, darker background, light foreground, bold)
+setw -g window-status-current-format "#[bold,fg=#eeeeee,bg=#666666] #I:#W #[default]"
+
+# Window styles
+setw -g window-status-style fg=#888888,bg=#000000
+setw -g window-status-current-style fg=#eeeeee,bg=#666666
+
+# Pane borders
+set -g pane-border-style fg=#666666
+set -g pane-active-border-style fg=#cccccc
+
+# Message style (prompts, commands)
+set -g message-style fg=#cccccc,bg=#000000
+
+# Clock colors
+set -g clock-mode-color "#cccccc"
+set -g clock-mode-style 24
+
diff --git a/src/.tmux/themes/selected.theme b/src/.tmux/themes/selected.theme
index 0d1c159..d22bee9 120000
--- a/src/.tmux/themes/selected.theme
+++ b/src/.tmux/themes/selected.theme
@@ -1 +1 @@
-/home/bytepolar/.tmux/themes/ice.theme
\ No newline at end of file
+/home/bytepolar/.tmux/themes/linux.theme
\ No newline at end of file
diff --git a/src/.vim/colors/cyberpunk.vim b/src/.vim/colors/cyberpunk.vim
index 85a656b..b742dd1 100755
--- a/src/.vim/colors/cyberpunk.vim
+++ b/src/.vim/colors/cyberpunk.vim
@@ -12,7 +12,7 @@ hi clear
 
 "hi Normal       guifg=#ffffff guibg=#0f0f1a
 "hi Normal       guifg=#ffffff guibg=#000000
-hi Normal       guifg=#ffffff guibg=NONE
+hi Normal	guifg=#ffffff guibg=NONE
 "hi LineNr       guifg=#ff6fff guibg=#0f0f1a
 "hi LineNr       guifg=#ff6fff guibg=#000000
 hi LineNr       guifg=#ff6fff guibg=NONE
diff --git a/src/.vim/colors/ice.vim b/src/.vim/colors/ice.vim
index c707333..64afe5d 100644
--- a/src/.vim/colors/ice.vim
+++ b/src/.vim/colors/ice.vim
@@ -11,7 +11,8 @@ set termguicolors
 hi clear
 
 " Normal text
-hi Normal       guifg=#ffffff guibg=NONE
+"hi Normal       guifg=#ffffff guibg=NONE
+hi Normal       guifg=NONE guibg=NONE
 hi LineNr       guifg=#00d7ff guibg=NONE
 hi CursorLineNr guifg=#00d7ff guibg=NONE gui=bold
 hi CursorLine   guibg=NONE
diff --git a/src/.vimrc b/src/.vimrc
index b8d4422..90c0681 100755
--- a/src/.vimrc
+++ b/src/.vimrc
@@ -1,20 +1,69 @@
-syntax on
 
-colorscheme ice
+" -------------------------------
+" Global options
+" -------------------------------
+
+"colorscheme ice
+colorscheme default
+
+" Colors
+if has('termguicolors')
+  set termguicolors
+endif
+
+" Cursor can rest beyond the last character
+set virtualedit=onemore
 
-" Your usual config below
+" Highlight
+set hlsearch
+
+" Options
+syntax on
 set number
-set expandtab
-set shiftwidth=4
-set tabstop=4
-set softtabstop=4
+set tabstop=8
+set shiftwidth=8
+set softtabstop=8
+set noexpandtab
 set autoindent
 set smartindent
 set scrolloff=999
+set relativenumber
 set mouse=a
 
-""""""""""""""""""""""""""""""""""""""""""
-" Statubar
+
+" Line numbers
+hi LineNr       ctermfg=7 ctermbg=NONE guifg=#505050 guibg=NONE
+hi CursorLineNr ctermfg=7 ctermbg=NONE guifg=#505050 guibg=NONE
+
+
+" -------------------------------
+" Toggle between default and kernel-style settings
+" -------------------------------
+
+let g:vim_kernel_mode = 1  " 0 = personal, 1 = kernel
+
+function! ToggleListStyle()
+    if g:vim_kernel_mode
+        " Kernel style settings
+        set list               " show tabs, trailing spaces, eol
+        set listchars=tab:>-,trail:~,eol:$
+        let g:vim_list_mode = 1
+        echo "List mode"
+    else
+        " Restore your personal settings
+        set nolist
+        set listchars=
+        let g:vim_list_mode = 0
+        echo "No list mode"
+    endif
+    " toggle the mode for next call
+    let g:vim_kernel_mode = !g:vim_kernel_mode
+endfunction
+
+
+" -------------------------------
+" Statusbar
+" -------------------------------
 
 function! VisualModeLineCount()
   if mode() =~# 'v'
@@ -37,14 +86,19 @@ function! ReadOnlyFlag()
   return ''                 " Empty if not modified
 endfunction
 
+
+" Function to display current column / total columns in current line
+function! ColAndTotal()
+  return printf('%d/%d', col('.'), col('$'))
+endfunction
+
 " Full-width statusline
 set laststatus=2
-set statusline=
 
 " LEFT Side
 set statusline=
 set statusline+=%f                          " File name
-set statusline+=\ [%l:%c]                   " Line and column
+set statusline+=\ [%l:%{ColAndTotal()}]     " Line and column / total columns
 set statusline+=\ [%L/%p%%]                 " Total lines and percent
 set statusline+=%{VisualModeLineCount()}    " Selected lines in visual mode
 set statusline+=%{ModifiedFlag()}           " Custom modified flag
@@ -53,19 +107,11 @@ set statusline+=%{ModifiedFlag()}           " Custom modified flag
 set statusline+=%=
 
 " RIGHT side
-set statusline+=\ [%y]                " Filetype
+set statusline+=\ [%y]                      " Filetype
 set statusline+=%{ReadOnlyFlag()}
 
-""""""""""""""""""""""""""""""""""""""""""
-
 " Status bar transparent
 hi StatusLine ctermbg=0 cterm=NONE
-   
-" Cursor can rest beyond the last character
-set virtualedit=onemore
-
-" Highlight
-set hlsearch
 
 " Disable expandtab for make files
 autocmd FileType make setlocal noexpandtab
@@ -75,15 +121,61 @@ if has("clipboard")
   set clipboard=unnamedplus
 endif
 
+" ===============================
+" Kernel-style 80-column guide for C files
+" ===============================
+
+" Use ftplugin for C files only
+augroup c_kernel_style
+    autocmd!
+
+    " Trigger for C files
+    autocmd FileType c call s:kernel_c_setup()
+augroup END
+
+function! s:kernel_c_setup()
+    " Highlight the 80th column
+    setlocal colorcolumn=80
+
+    " Optional: show cursor position
+    setlocal ruler
+
+    " Optional: soft wrap for comments
+    setlocal textwidth=80
+    setlocal formatoptions+=t
+
+    " Optional: subtle color for colorcolumn (works in GUI or truecolor terminals)
+    hi ColorColumn ctermbg=236 guibg=#3a3a3a
+endfunction
+
+
+" -------------------------------
+" Keymaps
+" -------------------------------
+
 " F2: absolute numbers only
 nnoremap <F2> :set number!<CR>
 
 " F4: absolute numbers only
 nnoremap <F4> :set relativenumber!<CR>
 
-" Search highlight
+" F5: Search highlight
 nnoremap <F5> :nohlsearch<CR>
 
+" F6: to toggle kernel style
+nnoremap <F6> :call ToggleListStyle()<CR>
+
+" F7: remove all trailing line
+nnoremap <F7> :%s/\s\+$//e<CR>
+
+" F8 will run checkpatch.pl and populate quickfix list
+nnoremap <F8> :w<CR>:cexpr system('checkpatch.pl --no-tree --file ' . expand('%:p'))<CR>:cwindow<CR>
+
+" Quickfix navigation with Shift + > / Shift + <
+" Note: Vim sees these as > and < in normal mode
+nnoremap > :cnext<CR>
+nnoremap < :cprev<CR>
+
 if &term =~ 'tmux\|xterm\|konsole'
   " Map HOME key to move to beginning of line in normal mode
   noremap <Esc>[1~ 0
@@ -91,7 +183,3 @@ if &term =~ 'tmux\|xterm\|konsole'
   noremap <Esc>OH 0
 endif
 
-" Colors
-if has('termguicolors')
-  set termguicolors
-endif
diff --git a/src/.vimrc.bak b/src/.vimrc.bak
new file mode 100755
index 0000000..3aa6721
--- /dev/null
+++ b/src/.vimrc.bak
@@ -0,0 +1,51 @@
+syntax on
+set background=dark
+colorscheme cyberpunk
+
+" Your usual config below
+set number
+set expandtab
+set shiftwidth=4
+set tabstop=4
+set softtabstop=4
+set autoindent
+set smartindent
+set scrolloff=999
+set mouse=a
+
+" Cursor can rest beyond the last character
+set virtualedit=onemore
+
+" Highlight
+set hlsearch
+
+" Disable expandtab for make files
+autocmd FileType make setlocal noexpandtab
+
+
+if has("clipboard")
+  set clipboard=unnamedplus
+endif
+
+
+" F2: absolute numbers only
+nnoremap <F2> :set number!<CR>
+
+" F4: absolute numbers only
+nnoremap <F4> :set relativenumber!<CR>
+
+" Search highlight
+nnoremap <F5> :nohlsearch<CR>
+
+if &term =~ 'tmux\|xterm\|konsole'
+  " Map HOME key to move to beginning of line in normal mode
+  noremap <Esc>[1~ 0
+  noremap <Esc>[H 0
+  noremap <Esc>OH 0
+endif
+
+
+
+if has('termguicolors')
+  set termguicolors
+endif