From f4078e682079a1a41eb52c10c75e2172a172f4c5 Mon Sep 17 00:00:00 2001
From: Morgan Aldridge <morgant@makkintosshu.com>
Date: Wed, 20 Sep 2023 12:46:35 -0400
Subject: [PATCH] Added new mlvwm-powerdown script implementing OS-specific
 sleep/reboot/shutdown functionality, updated Makefile to install mlvwm-*
 scripts in ~/bin, and updated Special menu items to use mlvwm-powerdown for
 sleep/restart/shutdown functionality. Issue #10

---
 .mlvwm/MenuBar      | 11 ++++---
 Makefile            |  7 ++++-
 bin/mlvwm-powerdown | 70 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 83 insertions(+), 5 deletions(-)
 create mode 100755 bin/mlvwm-powerdown

diff --git a/.mlvwm/MenuBar b/.mlvwm/MenuBar
index e3eb559..4cb30a3 100644
--- a/.mlvwm/MenuBar
+++ b/.mlvwm/MenuBar
@@ -48,9 +48,10 @@ Menu Default-Label, Label "Label"
 "Project 2" NonSelect, Gray
 END
 
-Menu Default-Restart
+Menu Default-WindowManager
 "Start twm"  Action Restart twm
 "Start fvwm" Action Restart fvwm
+"Restart mlvwm" Action Restart mlvwm
 END
 
 Menu Default-Special, Label "Special"
@@ -60,10 +61,12 @@ Menu Default-Special, Label "Special"
 "Eject Disk" NonSelect, Gray
 "Erase Disk..." NonSelect, Gray
 "" NonSelect
-"Start" SubMenu Default-Restart
+"Window Manager" SubMenu Default-WindowManager
+"" NonSelect
 "Log Out" Action Exit
-"Restart" Action Restart mlvwm
-"Shut down" Action Exit
+"Sleep" Action Exec mlvwm-powerdown exec mlvwm-powerdown -s
+"Restart" Action Exec mlvwm-powerdown exec mlvwm-powerdown -r
+"Shut Down" Action Exec mlvwm-powerdown exec mlvwm-powerdown -p
 END
 
 Menu Default-Window
diff --git a/Makefile b/Makefile
index fe6cd2b..8743302 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 TEMP=tmp
 CONF=.mlvwm
+BIN=bin
 PIXMAP=$(CONF)/pixmap
 PATTERNS=$(CONF)/patterns
 
@@ -51,11 +52,15 @@ patterns:
 	curl -# -L https://imgur.com/a/9jYy0/zip -o "$(TEMP)/Mac OS Solid Color Backgrounds.zip"
 	unzip -d $(PATTERNS) "$(TEMP)/Mac OS Solid Color Backgrounds.zip"
 
-install:
+install: install-bin
 	cp -R $(CONF) $(HOME)/
 	ln -fs $(HOME)/$(CONF)/.mlvwmrc $(HOME)/.mlvwmrc
 	sed -i 's@/home2/tak/bin/pixmap@$(HOME)/$(PIXMAP)@g' $(HOME)/$(CONF)/.mlvwmrc
 
+install-bin:
+	mkdir -p $(HOME)/$(BIN)
+	install -b -B .`date +%Y%m%d-%H%M%S` -m 700 -o $(USER) $(BIN)/mlvwm-* $(HOME)/$(BIN)
+
 clean: clean-pixmap
 	rm -r $(TEMP)
 	rm -rf $(PATTERNS)
diff --git a/bin/mlvwm-powerdown b/bin/mlvwm-powerdown
new file mode 100755
index 0000000..21dd0bc
--- /dev/null
+++ b/bin/mlvwm-powerdown
@@ -0,0 +1,70 @@
+#!/bin/sh
+
+# mlvwm-powerdown - Wrapper OS-specific implementations of sleep, reboot, and/or
+# power off of the system
+#
+# There may be OS-specific configuration required
+
+tool="$(basename "$0")"
+os="$(uname -s)"
+
+_usage() {
+  echo "Usage: ${tool} [-s | -r | -p]"
+  exit 1
+}
+
+_unsupported() {
+  echo "${tool}: ${1} is not supported under ${os}."
+  exit 1
+}
+
+_sleep_now() {
+  case "$os" in
+    "OpenBSD")
+      pgrep -q apmd && zzz
+      ;;
+    *)
+      _unsupported "sleep"
+      ;;
+  esac
+}
+
+_reboot_now() {
+  case "$os" in
+    "OpenBSD"|"FreeBSD"|"Linux")
+      shutdown -r now
+      ;;
+    *)
+      _unsupported "reboot"
+      ;;
+  esac
+}
+
+_poweroff_now() {
+  case "$os" in
+    "OpenBSD"|"FreeBSD")
+      shutdown -p now
+      ;;
+    "Linux")
+      shutdown -P now
+      ;;
+    *)
+      _unsupported "power off"
+      ;;
+  esac
+}
+
+case "$1" in
+  "-s")
+    _sleep_now
+    ;;
+  "-r")
+    _reboot_now
+    ;;
+  "-p")
+    _poweroff_now
+    ;;
+  *)
+    _usage
+    ;;
+esac