popup-calendar: add script

polybar-scripts/popup-calendar/README.md

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+# Script: popup-calendar
+
+A small script that displays the date and opens a small popup calendar with YAD when clicked.
+
+![popup-calendar](screenshots/1.png)
+
+
+## Dependencies
+
+* [`yad`](https://sourceforge.net/projects/yad-dialog/)
+* `xdotool`
+
+
+## Configuration
+
+Change these values if you want:
+
+```sh
+YAD_WIDTH=200
+YAD_HEIGHT=200
+BOTTOM=false
+DATE="$(date +"%a %d %H:%M")"
+```
+
+If you use a tiling window manager you should enable floating for `yad`. This example is for `i3wm`:
+
+```ini
+for_window [class="Yad"] floating enable
+```
+
+
+## Module
+
+```ini
+[module/popup-calendar]
+type = custom/script
+exec = ~/polybar-scripts/popup-calendar.sh
+interval = 5
+click-left = ~/polybar-scripts/popup-calendar.sh --popup
+```

polybar-scripts/popup-calendar/popup-calendar.sh

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+#!/bin/sh
+
+YAD_WIDTH=200
+YAD_HEIGHT=200
+BOTTOM=false
+DATE="$(date +"%a %d %H:%M")"
+
+case "$1" in
+    --popup)
+        eval "$(xdotool getmouselocation --shell)"
+
+        if [ $BOTTOM = true ]; then
+            : $(( pos_y = Y - YAD_HEIGHT - 20 ))
+            : $(( pos_x = X - (YAD_WIDTH / 2) ))
+        else
+            : $(( pos_y = Y + 20 ))
+            : $(( pos_x = X - (YAD_WIDTH / 2) ))
+        fi
+
+        yad --calendar --undecorated --fixed --close-on-unfocus --no-buttons \
+            --width=$YAD_WIDTH --height=$YAD_HEIGHT --posx=$pos_x --posy=$pos_y \
+            > /dev/null
+        ;;
+    *)
+        echo "$DATE"
+        ;;
+esac