1 files changed, 202 insertions, 0 deletions
diff --git a/tt.windowselect.ahk b/tt.windowselect.ahk
new file mode 100644
index 0000000..ba9abb5
--- /dev/null
+++ b/tt.windowselect.ahk
@@ -0,0 +1,202 @@
+;; Select window by number ----------------------------------------------------
+
+;; -> body
+
+#1::FocusButton(1)
+#2::FocusButton(2)
+#3::FocusButton(3)
+#4::FocusButton(4)
+#5::FocusButton(5)
+#6::FocusButton(6)
+#7::FocusButton(7)
+#8::FocusButton(8)
+#9::FocusButton(9)
+#0::FocusButton(10)
+
+;; -> library
+
+; https://code.google.com/archive/p/activatebynum/
+
+Add_hWndToArray(gi, hWnd)
+{
+  global
+  g_bundleSize%gi% := g_bundleSize%gi% + 1
+  local wi := g_bundleSize%gi%
+  g_hWnd%gi%_%wi% := hWnd  
+}
+
+AddBundle(gi)
+{
+  global
+  g_bundleSize%gi% := 0
+}
+
+BundleSize(gi)
+{
+  global
+  return g_bundleSize%gi%
+}
+
+Get_hWndFromArray(gi, wi)
+{
+  global
+  return g_hWnd%gi%_%wi%
+}
+
+SetButtonTopLeftLoc(gi, x, y)
+{
+  global
+  g_xs%gi% := x
+  g_ys%gi% := y
+}
+
+Build_hWndArray(maxBundleCount)
+{
+  global g_bundleCount
+  
+  WinGet,  pidTaskbar, PID, ahk_class Shell_TrayWnd
+  hProc := DllCall("OpenProcess", "Uint", 0x38, "int", 0, "Uint", pidTaskbar)
+  pProc := DllCall("VirtualAllocEx", "Uint", hProc, "Uint", 0, "Uint", 32, "Uint", 0x1000, "Uint", 0x4)
+  idxTB := GetTaskSwBar()
+  SendMessage, 0x418, 0, 0, ToolbarWindow32%idxTB%, ahk_class Shell_TrayWnd ; TB_BUTTONCOUNT
+  buttonCount := ErrorLevel
+  
+  g_bundleCount := 0
+  
+  Loop, %buttonCount%
+  {
+    SendMessage, 0x417, A_Index-1, pProc, ToolbarWindow32%idxTB%, ahk_class Shell_TrayWnd ; TB_GETBUTTON
+  
+    VarSetCapacity(btn, 32, 0)
+    DllCall("ReadProcessMemory", "Uint", hProc, "Uint", pProc, "Uint", &btn, "Uint", 32, "Uint", 0)
+    
+    idn  := NumGet(btn, 4)
+    Statyle := NumGet(btn, 8, "Char")
+    dwData := NumGet(btn, 12)
+    If Not dwData
+      dwData := NumGet(btn, 16, "int64")
+      
+    DllCall("ReadProcessMemory", "Uint", hProc, "Uint", dwData, "int64P", hWnd:=0, "Uint", NumGet(btn,12) ? 4:8, "Uint", 0)
+    
+    If Not hWnd ; group button, indicates the start of a group
+    {
+      If g_bundleCount >= %maxBundleCount%
+        Break
+
+      hidden := Statyle & 0x08 ; TBSTATE_HIDDEN
+      If Not hidden
+      {
+        grpCollapsed := true
+        g_bundleCount := g_bundleCount + 1
+        AddBundle(g_bundleCount)
+        
+        GetTaskbarButtonTopLeft(idn, x, y)
+        SetButtonTopLeftLoc(g_bundleCount, x, y)
+      }
+      Else
+        grpCollapsed := false
+    }
+    else ; actual window button
+    {
+      If grpCollapsed
+      {
+        Add_hWndToArray(g_bundleCount, hWnd)
+      }
+      Else
+      {
+        g_bundleCount := g_bundleCount + 1
+        AddBundle(g_bundleCount)
+        Add_hWndToArray(g_bundleCount, hWnd)
+        
+        GetTaskbarButtonTopLeft(idn, x, y)
+        SetButtonTopLeftLoc(g_bundleCount, x, y)
+      }
+    }
+  }
+
+  DllCall("VirtualFreeEx", "Uint", hProc, "Uint", pProc, "Uint", 0, "Uint", 0x8000)
+  DllCall("CloseHandle", "Uint", hProc)
+}
+
+FocusButton(n)
+{
+  global g_bundleCount
+  
+  ; these static variables can become inaccurate if windows are created or closed
+  ; inbetween pressing of hotkeys, but in practice, we can safely ignore the
+  ; inaccuracy
+  static prevBundleIndex := 0
+  static prevWindowIndex := 0
+
+  Build_hWndArray(n)
+
+  if (g_bundleCount >= n)
+  {
+    bundleSize := BundleSize(n)
+    
+    if n = %prevBundleIndex%
+      windowIndex := Mod(prevWindowIndex, bundleSize) + 1
+    else
+      windowIndex := 1
+
+    hWnd := Get_hWndFromArray(n, windowIndex)
+
+    If bundleSize > 1 ; cycle through windows in the same bundle
+      WinActivate, ahk_id %hWnd%
+    Else ; single-window bundle; toggles between activating (restoring) and minimizing the window
+      IfWinActive, ahk_id %hWnd%
+        WinMinimize, ahk_id %hWnd%
+      Else
+        WinActivate, ahk_id %hWnd%
+      
+    prevBundleIndex := n
+    prevWindowIndex := windowIndex
+  }
+}
+
+GetTaskSwBar()
+{
+  ControlGet, hParent, hWnd,, MSTaskSwWClass1 , ahk_class Shell_TrayWnd
+  ControlGet, hChild , hWnd,, ToolbarWindow321, ahk_id %hParent%
+  Loop
+  {
+    ControlGet, hWnd, hWnd,, ToolbarWindow32%A_Index%, ahk_class Shell_TrayWnd
+    If Not hWnd
+      Break
+    Else If hWnd = %hChild%
+    {
+      idxTB := A_Index
+      Break
+    }
+  }
+  Return  idxTB
+}
+
+GetTaskbarButtonTopLeft(id, ByRef x, ByRef y)
+{
+  idxTB := GetTaskSwBar()
+  WinGet,  pidTaskbar, PID, ahk_class Shell_TrayWnd
+  hProc := DllCall("OpenProcess", "Uint", 0x38, "int", 0, "Uint", pidTaskbar)
+  pProc := DllCall("VirtualAllocEx", "Uint", hProc, "Uint", 0, "Uint", 32, "Uint", 0x1000, "Uint", 0x4)
+  idxTB := GetTaskSwBar()
+
+    SendMessage, 0x433, id, pProc, ToolbarWindow32%idxTB%, ahk_class Shell_TrayWnd ; TB_GETRECT
+  ;IfEqual, ErrorLevel, 0, return "Err: can't get rect"
+  
+  VarSetCapacity(rect, 32, 0)
+  DllCall("ReadProcessMemory", "Uint", hProc, "Uint", pProc, "Uint", &rect, "Uint", 32, "Uint", 0)
+  
+  DllCall("VirtualFreeEx", "Uint", hProc, "Uint", pProc, "Uint", 0, "Uint", 0x8000)
+  DllCall("CloseHandle", "Uint", hProc)
+  
+  ControlGet, hWnd, hWnd,, ToolbarWindow32%idxTB%, ahk_class Shell_TrayWnd
+  WinGetPos, x, y, w, h, ahk_id %hWnd%
+  
+  left := NumGet(rect, 0)
+  top := NumGet(rect, 4)
+  right := NumGet(rect, 8)
+  bottom := NumGet(rect, 12)
+
+  x := x + left
+  y := y + top
+}