Merge branch 'arch' into gentoo

home/.config/lf/draw_img.sh

@@ -1,11 +1,21 @@
 #!/bin/sh
 
-readonly PREVIEW_ID="preview"
-
-printf '{"action": "add", "identifier": "%s", "x": %d, "y": %d, "width": %d, "height": %d, "scaler": "contain", "scaling_position_x": 0.5, "scaling_position_y": 0.5, "path": "%s"}\n' \
-    "$PREVIEW_ID" "$2" "$3" "$4" "$5" "$1" > "$FIFO_UEBERZUG"
-
-#declare -p -A cmd=([action]=add [identifier]="$PREVIEW_ID" \
-#   [x]="$2" [y]="$3" [max_width]="$4" [max_height]="$5" \
-#   [path]="$1") > "$FIFO_UEBERZUG"
+path="$1"
+x="$2"
+y="$3"
+width="$4"
+height="$5"
+PREVIEW_ID="preview"
 
+if [ -n "$FIFO_UEBERZUG" ]; then
+    printf '{"action": "add", "identifier": "%s", "x": %d, "y": %d, "width": %d, "height": %d, "scaler": "contain", "scaling_position_x": 0.5, "scaling_position_y": 0.5, "path": "%s"}\n' \
+        "$PREVIEW_ID" "$x" "$y" "$width" "$height" "$path" > "$FIFO_UEBERZUG"
+else
+    # Ueberzug isn't avialable, try to use pixterm
+    if command -v pixterm > /dev/null; then
+        pixterm -s 2 -tr "$x" -tc "$width" "$path"
+    else
+        >&2 echo "ueberzug not running, pixterm fallback not found!"
+        exit 1
+    fi
+fi

home/.config/lf/previewer.sh

@@ -1,9 +1,15 @@
 #!/bin/sh
 # This script handles showing file-previews within lf.
+
 # It can also show image previews using ueberzug, however
-# that requires lf to be start with a script that also starts
+# that requires lf to be started with a script that also starts
 # ueberzug alongside of it.
 # (In my dotfiles, this script is in '~/.local/bin/scripts/lfu')
+# Alternatively, we could also handle ANSI previews with pixterms
+# this will be in a pretty low quiality, but it will work without
+# ueberzug. To enable this, change PIXTERM_ENABLED to 1.
+# if both ueberzug and pixterm are enabled, ueberzug takes precedence.
+PIXTERM_ENABLED=1
 
 run_cmd() {
     # Try to run given command, if it is installed.
@@ -77,7 +83,8 @@ media_handle() {
     file="$1"
     shift
 
-    # Set ENABLED=1 if ueberzug is enabled
+    # Set ENABLED=1 if ueberzug or pixterm is enabled
+    command -v pixterm > /dev/null && [ "$PIXTERM_ENABLED" = 1 ] && ENABLED=1
     [ -n "$FIFO_UEBERZUG" ] && [ -f "$draw_script" ] && ENABLED=1
 
     case "$file" in
@@ -85,7 +92,7 @@ media_handle() {
             if [ -n "$ENABLED" ]; then
                 draw_image $draw_script "$file"
             else
-                echo "@@PREVIEW FALLBACK: Using mediainfo, ueberzug isn't aviable."
+                echo "@@PREVIEW FALLBACK: Using mediainfo, ueberzug isn't available."
                 run_cmd mediainfo "$file"
             fi
             ;;

home/.config/shell/aliases

@@ -217,7 +217,6 @@ alias path='echo -e ${PATH//:/\\n}' # Print each PATH entry on a separate line
 alias unsudo='sudo -k' # Reset sudo timeout (sudo will require password)
 alias vimwiki='vim -c VimwikiIndex' # Open vimwiki index
 alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'
-alias colors-256='curl -s https://gist.githubusercontent.com/HaleTom/89ffe32783f89f403bba96bd7bcd1263/raw/ | bash' # Show color table
 alias tty-clock='tty-clock -Ssc' # Terminal clock screensaver
 alias rick='curl -s -L https://raw.githubusercontent.com/ItsDrike/rickrollrc/master/roll.sh| bash' # Terminal rickroll
 

home/.config/x11/xprofile

@@ -22,9 +22,12 @@ dunst &
 nm-applet &
 
 # Run trayer-srg for systemtray bar
-# if installed normally, use `trayer`, not `trayer-srg` command
+# if installed normally, command will be `trayer`, not `trayer-srg` command
 trayer --monitor 0 --edge top --align right --widthtype request --padding 0 --transparent true --tint 0x282c34 --alpha 0 --height 23 &
 
+# Start flameshot in background
+flameshot &
+
 # AppArmor notifications
 aa-notify -p &
 

home/.config/xmonad/xmonad.hs

@@ -120,6 +120,7 @@ myKeys =
     , ("M-S-<Print>",   spawn "flameshot screen -c")
     , ("C-<Print>",     spawn "flameshot full -p ~/Pictures/Screenshots")
     , ("C-S-<Print>",   spawn "flameshot full -c")
+    , ("C-M-<Print>",   spawn "flameshot launcher")
 
     -- Script shortcuts
     , ("M-S-p",         spawn "setbg ~/Pictures/Wallpapers/Active")  -- Set random background
@@ -178,16 +179,16 @@ myKeys =
     , ("M-M1-k",    sendMessage MirrorExpand)   -- Expand vert window width
 
     -- Multimedia keys
-    , ("<XF86AudioMute>",           spawn "amixer set Master toggle")
-    , ("<XF86AudioLowerVolume>",    spawn "amixer set Master 5%- unmute")
-    , ("<XF86AudioRaiseVolume>",    spawn "amixer set Master 5%+ unmute")
-    , ("<XF86MonBrightnessUp>",     spawn "brightness + 10 %")
-    , ("<XF86MonBrightnessDown>",   spawn "brightness - 10 %")
+    , ("<XF86AudioMute>",           spawn "pulsemixer --toggle-mute")
+    , ("<XF86AudioLowerVolume>",    spawn "pulsemixer --change-volume -5")
+    , ("<XF86AudioRaiseVolume>",    spawn "pulsemixer --change-volume +5")
+    , ("<XF86MonBrightnessUp>",     spawn "brightness + 5 %")
+    , ("<XF86MonBrightnessDown>",   spawn "brightness - 5 %")
     -- Map media keys to meta + arrows for keyboards without special keys
-    , ("M-<Down>",                  spawn "amixer set Master 5%- unmute")
-    , ("M-<Up>",                    spawn "amixer set Master 5%+ unmute")
-    , ("M-<Right>",                 spawn "brightness + 10 %")
-    , ("M-<Left>",                  spawn "brightness - 10 %")
+    , ("M-<Down>",                  spawn "pulsemixer --change-volume -5")
+    , ("M-<Up>",                    spawn "pulsemixer --change-volume +5")
+    , ("M-<Right>",                 spawn "brightness + 5 %")
+    , ("M-<Left>",                  spawn "brightness - 5 %")
     ]
         where nonNSP            = WSIs (return (\ws -> W.tag ws /= "NSP"))
               nonEmptyNonNSP    = WSIs (return (\ws -> isJust (W.stack ws) && W.tag ws /= "NSP"))
@@ -315,6 +316,7 @@ myManageHook = composeAll
     -- auto-shift applications to their respecitve workspaces
     , className =? "discord"            --> doShift ( myWorkspaces !! 3 )
     , className =? "Code"               --> doShift ( myWorkspaces !! 0 )
+    , className =? "Stremio"		--> doShift ( myWorkspaces !! 5 )
     , title     =? "Mozilla Firefox"    --> doShift ( myWorkspaces !! 1 )
     ]
 

home/.local/bin/scripts/colors-256

@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# # Print out 256 colors, with each number printed in its corresponding colour
+#
+# This file is uploaded on <https://gist.githubusercontent.com/HaleTom/89ffe32783f89f403bba96bd7bcd1263/raw/>
+# It was originally intended to be used as an alias that curled this URL and piped it into bash, however
+# this is very unsafe as the owner can change the content of this gist at his convenience, meaning it was
+# a potential security vulnerability. This is a script version of this alias to avoid this issue.
+#
+# The copyright for this file belongs to the original author: Tom Hale, 2016
+# This file was released under MIT license
+
+set -eu # Fail on errors or undeclared variables
+
+printable_colours=256
+
+# Return a colour that contrasts with the given colour
+# Bash only does integer division, so keep it integral
+function contrast_colour {
+    local r g b luminance
+    colour="$1"
+
+    if (( colour < 16 )); then # Initial 16 ANSI colours
+        (( colour == 0 )) && printf "15" || printf "0"
+        return
+    fi
+
+    # Greyscale # rgb_R = rgb_G = rgb_B = (number - 232) * 10 + 8
+    if (( colour > 231 )); then # Greyscale ramp
+        (( colour < 244 )) && printf "15" || printf "0"
+        return
+    fi
+
+    # All other colours:
+    # 6x6x6 colour cube = 16 + 36*R + 6*G + B  # Where RGB are [0..5]
+    # See http://stackoverflow.com/a/27165165/5353461
+
+    # r=$(( (colour-16) / 36 ))
+    g=$(( ((colour-16) % 36) / 6 ))
+    # b=$(( (colour-16) % 6 ))
+
+    # If luminance is bright, print number in black, white otherwise.
+    # Green contributes 587/1000 to human perceived luminance - ITU R-REC-BT.601
+    (( g > 2)) && printf "0" || printf "15"
+    return
+
+    # Uncomment the below for more precise luminance calculations
+
+    # # Calculate percieved brightness
+    # # See https://www.w3.org/TR/AERT#color-contrast
+    # # and http://www.itu.int/rec/R-REC-BT.601
+    # # Luminance is in range 0..5000 as each value is 0..5
+    # luminance=$(( (r * 299) + (g * 587) + (b * 114) ))
+    # (( $luminance > 2500 )) && printf "0" || printf "15"
+}
+
+# Print a coloured block with the number of that colour
+function print_colour {
+    local colour="$1" contrast
+    contrast=$(contrast_colour "$1")
+    printf "\e[48;5;%sm" "$colour"                # Start block of colour
+    printf "\e[38;5;%sm%3d" "$contrast" "$colour" # In contrast, print number
+    printf "\e[0m "                               # Reset colour
+}
+
+# Starting at $1, print a run of $2 colours
+function print_run {
+    local i
+    for (( i = "$1"; i < "$1" + "$2" && i < printable_colours; i++ )) do
+        print_colour "$i"
+    done
+    printf "  "
+}
+
+# Print blocks of colours
+function print_blocks {
+    local start="$1" i
+    local end="$2" # inclusive
+    local block_cols="$3"
+    local block_rows="$4"
+    local blocks_per_line="$5"
+    local block_length=$((block_cols * block_rows))
+
+    # Print sets of blocks
+    for (( i = start; i <= end; i += (blocks_per_line-1) * block_length )) do
+        printf "\n" # Space before each set of blocks
+        # For each block row
+        for (( row = 0; row < block_rows; row++ )) do
+            # Print block columns for all blocks on the line
+            for (( block = 0; block < blocks_per_line; block++ )) do
+                print_run $(( i + (block * block_length) )) "$block_cols"
+            done
+            (( i += block_cols )) # Prepare to print the next row
+            printf "\n"
+        done
+    done
+}
+
+print_run 0 16 # The first 16 colours are spread over the whole spectrum
+printf "\n"
+print_blocks 16 231 6 6 3 # 6x6x6 colour cube between 16 and 231 inclusive
+print_blocks 232 255 12 2 1 # Not 50, but 24 Shades of Grey