From 39cbb155f72e385d557511001b8579d237ff02e0 Mon Sep 17 00:00:00 2001
From: Giorgio Bonvicini <GioBonvi@users.noreplygithub.com>
Date: Wed, 17 May 2017 00:16:23 +0200
Subject: [PATCH] First ideas about toggling between last desktops.

This is a rapid jot down of the first ideas about enabling a hotkey
to toggle between the current desktop and the last one.

I am not really shure this is the most elegant way to do this, still,
it seems to work ;)
---
 settings.ini                 |  1 +
 virtual-desktop-enhancer.ahk | 40 ++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/settings.ini b/settings.ini
index a0c99d5..60d0c82 100644
--- a/settings.ini
+++ b/settings.ini
@@ -38,6 +38,7 @@ NextTenDesktops=
 [KeyboardShortcutsIdentifiers]
 PreviousDesktop=Left
 NextDesktop=Right
+LastDesktop=C
 Desktop1=1
 Desktop2=2
 Desktop3=3
diff --git a/virtual-desktop-enhancer.ahk b/virtual-desktop-enhancer.ahk
index 077c8e1..eb40c08 100644
--- a/virtual-desktop-enhancer.ahk
+++ b/virtual-desktop-enhancer.ahk
@@ -75,6 +75,9 @@ global taskbarID=0
 global previousDesktopNo=0
 global doFocusAfterNextSwitch=0
 global hasSwitchedDesktopsBefore=1
+global lastDesktopNumber := _GetCurrentDesktopNumber()
+global lastDesktopChangeTime := A_TickCount
+global timeForDesktopToBeActive := 1000
 
 initialDesktopNo := _GetCurrentDesktopNumber()
 
@@ -96,6 +99,7 @@ hkModifiersMoveAndSwitch   := KeyboardShortcutsModifiersMoveWindowAndSwitchToDes
 hkModifiersPlusTen         := KeyboardShortcutsModifiersNextTenDesktops
 hkIdentifierPrevious       := KeyboardShortcutsIdentifiersPreviousDesktop
 hkIdentifierNext           := KeyboardShortcutsIdentifiersNextDesktop
+hkIdentifierLast           := KeyboardShortcutsIdentifiersLastDesktop
 hkComboPinWin              := KeyboardShortcutsCombinationsPinWindow
 hkComboUnpinWin            := KeyboardShortcutsCombinationsUnpinWindow
 hkComboTogglePinWin        := KeyboardShortcutsCombinationsTogglePinWindow
@@ -174,12 +178,17 @@ if (!(GeneralUseNativePrevNextDesktopSwitchingIfConflicting && _IsPrevNextDeskto
 if (!(GeneralUseNativePrevNextDesktopSwitchingIfConflicting && _IsPrevNextDesktopSwitchingKeyboardShortcutConflicting(hkModifiersSwitch, hkIdentifierNext))) {
     setUpHotkeyWithOneSetOfModifiersAndIdentifier(hkModifiersSwitch, hkIdentifierNext, "OnShiftRightPress", "[KeyboardShortcutsModifiers] SwitchDesktop, [KeyboardShortcutsIdentifiers] NextDesktop")
 }
+if (!(GeneralUseNativePrevNextDesktopSwitchingIfConflicting && _IsPrevNextDesktopSwitchingKeyboardShortcutConflicting(hkModifiersSwitch, hkIdentifierLast))) {
+    setUpHotkeyWithOneSetOfModifiersAndIdentifier(hkModifiersSwitch, hkIdentifierLast, "OnShiftLastPress", "[KeyboardShortcutsModifiers] SwitchDesktop, [KeyboardShortcutsIdentifiers] NextDesktop")
+}
 
 setUpHotkeyWithOneSetOfModifiersAndIdentifier(hkModifiersMove, hkIdentifierPrevious, "OnMoveLeftPress", "[KeyboardShortcutsModifiers] MoveWindowToDesktop, [KeyboardShortcutsIdentifiers] PreviousDesktop")
 setUpHotkeyWithOneSetOfModifiersAndIdentifier(hkModifiersMove, hkIdentifierNext, "OnMoveRightPress", "[KeyboardShortcutsModifiers] MoveWindowToDesktop, [KeyboardShortcutsIdentifiers] NextDesktop")
+setUpHotkeyWithOneSetOfModifiersAndIdentifier(hkModifiersMove, hkIdentifierLast, "OnMoveLastPress", "[KeyboardShortcutsModifiers] MoveWindowToDesktop, [KeyboardShortcutsIdentifiers] LastDesktop")
 
 setUpHotkeyWithOneSetOfModifiersAndIdentifier(hkModifiersMoveAndSwitch, hkIdentifierPrevious, "OnMoveAndShiftLeftPress", "[KeyboardShortcutsModifiers] MoveWindowAndSwitchToDesktop, [KeyboardShortcutsIdentifiers] PreviousDesktop")
 setUpHotkeyWithOneSetOfModifiersAndIdentifier(hkModifiersMoveAndSwitch, hkIdentifierNext, "OnMoveAndShiftRightPress", "[KeyboardShortcutsModifiers] MoveWindowAndSwitchToDesktop, [KeyboardShortcutsIdentifiers] NextDesktop")
+setUpHotkeyWithOneSetOfModifiersAndIdentifier(hkModifiersMoveAndSwitch, hkIdentifierLast, "OnMoveAndShiftLastPress", "[KeyboardShortcutsModifiers] MoveWindowAndSwitchToDesktop, [KeyboardShortcutsIdentifiers] NextDesktop")
 
 setUpHotkeyWithCombo(hkComboPinWin, "OnPinWindowPress", "[KeyboardShortcutsCombinations] PinWindow")
 setUpHotkeyWithCombo(hkComboUnpinWin, "OnUnpinWindowPress", "[KeyboardShortcutsCombinations] UnpinWindow")
@@ -232,6 +241,13 @@ OnShiftRightPress() {
     SwitchToDesktop(_GetNextDesktopNumber())
 }
 
+OnShiftLastPress() {
+    global lastDesktopNumber, lastDesktopChangeTime
+    tempDesktopNumber := _getCurrentDesktopNumber()
+    SwitchToDesktop(lastDesktopNumber)
+    lastDesktopNumber := tempDesktopNumber
+}
+
 OnMoveLeftPress() {
     MoveToDesktop(_GetPreviousDesktopNumber())
 }
@@ -240,6 +256,13 @@ OnMoveRightPress() {
     MoveToDesktop(_GetNextDesktopNumber())
 }
 
+OnMoveLastPress() {
+    global lastDesktopNumber, lastDesktopChangeTime
+    tempDesktopNumber := _getCurrentDesktopNumber()
+    MoveToDesktop(lastDesktopNumber)
+    lastDesktopNumber := tempDesktopNumber
+}
+
 OnMoveAndShiftLeftPress() {
     MoveAndSwitchToDesktop(_GetPreviousDesktopNumber())
 }
@@ -248,6 +271,13 @@ OnMoveAndShiftRightPress() {
     MoveAndSwitchToDesktop(_GetNextDesktopNumber())
 }
 
+OnMoveAndShiftLastPress() {
+    global lastDesktopNumber, lastDesktopChangeTime
+    tempDesktopNumber := _getCurrentDesktopNumber()
+    MoveAndSwitchToDesktop(lastDesktopNumber)
+    lastDesktopNumber := tempDesktopNumber
+}
+
 OnTaskbarScrollUp() {
     if (_IsCursorHoveringTaskbar()) {
         OnShiftLeftPress()
@@ -434,6 +464,16 @@ _MoveCurrentWindowToDesktop(n:=1) {
 }
 
 _ChangeDesktop(n:=1) {
+
+    ; If this desktop was active for more than 1000ms mark it as the last used desktop.
+    global lastDesktopChangeTime, lastDesktopNumber, timeForDesktopToBeActive
+    timeSinceLastDesktopChange := A_TickCount - lastDesktopChangeTime
+    lastDesktopChangeTime := A_TickCount
+    if (timeSinceLastDesktopChange > timeForDesktopToBeActive && n != lastDesktopNumber) {
+        lastDesktopNumber := _getCurrentDesktopNumber()
+    }
+
+    ; Change desktop.
     if (n == 0) {
         n := 10
     }