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xrectsel
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ext.grid
grid
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gridmacro.kde
snap.all
snap.grid
split.grid
swap.grid


tilingsnap.grid
1 905•  9 years ago•  DownloadRawClose
9 years ago•  1 905

{}
#!/bin/bash
#
#   Author:         Twily                        2015
#   Description:    Snaps windows into a virtual grid
#   Requires:       wmctrl, xdotool, xwininfo
#   Usage:          $ sh ./snap.grid <id>
#                   (Eg.: Bind script to trigger on window resize/movement
#                         or bind to hotkey W-x)
#
#   Note:           This script does not work directly w/ 'grid' but can
#                   be used together w/ 'ext.grid'
#

ACT=$1
if [ -z $1 ]; then ACT=$(xdotool getactivewindow); fi

WNAME=$(xdotool getwindowname $ACT);
if [ "$WNAME" == "Desktop" ]; then exit 3; fi

dW=1920             # Desktop Width
dH=1080             # Desktop Height

eM=48               # (Used for equal margin on all sides)

L=$eM               # Left Margin
T=$(( $eM + 24 ))   # Top Margin (+24 for panel)
R=$eM               # Right Margin
B=$eM               # Bottom Margin

G=24                # Grid Gap
D=0                 # Decoration Height (0 = none)
M=0                 # Border Width (0 = none)

D2=0
if [ "$D" -gt "0" ]; then D=$(( $D + $M )) && D2=$M; fi

rW=$(( $dW - $L - $R ))
rH=$(( $dH - $T - $B ))
M=$(( $M * 2 ))

unset X Y W H
eval $(xwininfo -id $ACT | 
    sed -n -e "s/^ \+Absolute upper-left X: \+\([0-9]\+\).*/X=\1/p" \
           -e "s/^ \+Absolute upper-left Y: \+\([0-9]\+\).*/Y=\1/p" \
           -e "s/^ \+Width: \+\([0-9]\+\).*/W=\1/p" \
           -e "s/^ \+Height: \+\([0-9]\+\).*/H=\1/p" )

Y=$(( $Y - $D - $M / 2 ))
X=$(( $X - $M / 2 ))

i=0
nP=0
while [ "$i" -lt "$(( $rW / $G + 1 ))" ]; do # Horizontal loop
    oP=$nP
    nP=$(( $L + $i * $G ))

    # Snap left side 
    if [[ "$X" -lt "$nP" && "$(( $nP - $X ))" -lt "$(( $G + 1 ))" ]]; then
        t1=$(( $X - $oP ))
        t2=$(( $nP - $X ))

        if [ "$t1" -lt "$t2" ]
        then    X=$(( $X - $t1 ))
                W=$(( $W + $t1 ))
        else    X=$(( $X + $t2 ))
                W=$(( $W - $t2 )); fi
    fi

    # Snap right side
    if [[ "$(( $W + $X ))" -lt "$nP" && "$(( $nP - $W - $X ))" -lt "$(( $G + 1 ))" ]]; then
        t1=$(( $W + $X - $oP + $M ))
        t2=$(( $nP - $W - $X - $M ))

        if [ "$t1" -lt "$t2" ]
        then    W=$(( $W - $t1 ))
        else    W=$(( $W + $t2 )); fi
    fi
    
    let i=$i+1
done

i=0
nP=0
while [ "$i" -lt "$(( $rH / $G + 1 ))" ]; do # Vertical loop
    oP=$nP
    nP=$(( $T + $i * $G ))

    # Snap top side
    if [[ "$Y" -lt "$nP" && "$(( $nP - $Y ))" -lt "$(( $G + 1 ))" ]]; then
        t1=$(( $Y - $oP ))
        t2=$(( $nP - $Y ))

        if [ "$t1" -lt "$t2" ]
        then    Y=$(( $Y - $t1 ))
                H=$(( $H + $t1 ))
        else    Y=$(( $Y + $t2 ))
                H=$(( $H - $t2 )); fi
    fi
 
    # Snap bottom side
    if [[ "$(( $H + $Y ))" -lt "$nP" && "$(( $nP - $H - $Y ))" -lt "$(( $G + 1 ))" ]]; then
        t1=$(( $H + $Y - $oP + $M + $D2 ))
        t2=$(( $nP - $H - $Y - $M - $D2 ))

        if [ "$t1" -lt "$t2" ]
        then    H=$(( $H - $t1 ))
        else    H=$(( $H + $t2 )); fi
    fi

    let i=$i+1
done

if [ "$X" -lt "$L" ]; then S=$(( $L - $X )) && X=$L; if [ "$W" -le "$(( $dW - $L - $R ))" ]; then W=$(( $W - $S )); fi; fi
if [ "$Y" -lt "$T" ]; then S=$(( $T - $Y )) && Y=$T; if [ "$H" -le "$(( $dH - $T - $B ))" ]; then H=$(( $H - $S )); fi; fi
if [ "$(( $X + $W ))" -gt "$(( $dW - $R ))" ]; then W=$(( $dW - $X - $R - $M )); fi
if [ "$(( $Y + $H ))" -gt "$(( $dH - $B ))" ]; then H=$(( $dH - $Y - $B - $D - $M )); fi

wmctrl -i -r $ACT -e 0,$X,$Y,$W,$H
exit 0

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