Get_TextCtrlSize.ahk

Get_TextCtrlSize(txt, fontName, fontSize, maxWidth="", params="") {
/*		Create a control with the specified text to retrieve
 *		the space (width/height) it would normally take
*/
	Gui, GetTextSize:Destroy
	Gui, GetTextSize:Font, S%fontSize%,% fontName
	if (maxWidth)
		Gui, GetTextSize:Add, Text,x0 y0 +Wrap w%maxWidth% hwndTxtHandler,% txt
	else
		Gui, GetTextSize:Add, Text,x0 y0 %params% hwndTxtHandler,% txt
	coords := Get_ControlCoords("GetTextSize", TxtHandler)
	Gui, GetTextSize:Destroy

return coords

/*	Alternative version, with auto sizing

	Gui, GetTextSize:Font, S%fontSize%,% fontName
	Gui, GetTextsize:Add, Text,x0 y0 hwndTxtHandlerAutoSize,% txt
	coordsAuto := Get_ControlCoords("GetTextSize", TxtHandlerAutoSize)
	if (maxWidth) {
		Gui, GetTextSize:Add, Text,x0 y0 +Wrap w%maxWidth% hwndTxtHandlerFixedSize,% txt
		coordsFixed := Get_ControlCoords("GetTextSize", TxtHandlerFixedSize)
	}
	Gui, GetTextSize:Destroy

	if (maxWidth > coords.Auto)
		coords := coordsAuto
	else
		coords := coordsFixed

	return coords
*/
}

Get_ControlCoords(guiName, ctrlHandler) {
/*		Retrieve a control's position and return them in an array.
		The reason of this function is because the variable content would be blank
			unless its sub-variables (coordsX, coordsY, ...) were set to global.
			(Weird AHK bug)
*/
	GuiControlGet, coords, %guiName%:Pos,% ctrlHandler
	return {X:coordsX,Y:coordsY,W:coordsW,H:coordsH}
}