editor: fix camera stuck when doubleclick on bottom icons (#299)

Author: androksi

[editor]/editor_gui/client/elementproperties.lua

@@ -763,6 +763,10 @@ function addOKButtonHandler (button, state)
 end
 
 function openPropertiesBox( element, resourceName, shortcut )
+	if isPropertiesOpen then
+		return false
+	end
+	
 	selectedElement = nil
 	--Tutorial hook
 	if tutorialVars.detectPropertiesBox then

[editor]/editor_main/client/main.lua

@@ -1049,6 +1049,10 @@ function setWorkingInterior( interior )
 end
 
 function suspend(leavePlayersAttached)
+	if g_suspended then
+		return false
+	end
+
 	outputConsole("Suspending editor_main.")
 
 	local move_resource
@@ -1082,6 +1086,10 @@ function suspend(leavePlayersAttached)
 end
 
 function resume(dontEnableMove)
+	if (not g_suspended) then
+		return false
+	end
+
 	outputConsole("Resuming editor_main.")
 
 	local move_resource

[editor]/move_cursor/move_cursor.lua

@@ -12,6 +12,8 @@ local rotateSpeed = {slow = 1, medium = 8, fast = 40} -- degrees per scroll
 local zoomSpeed = {slow = 0.5, medium = 2, fast = 6}  -- units per scroll
 local ignoreElementWalls = true -- 'false' not supported yet
 
+local isEnabled = false
+
 local root = getRootElement()
 
 local camX, camY, camZ
@@ -348,15 +350,22 @@ function getZoomSpeeds()
 end
 
 function disable()
+	if (not isEnabled) then
+		return false
+	end
 	-- remove events, unbind keys
 	removeEventHandler("onClientCursorMove", root, onClientCursorMove_cursor)
 	unbindControl("quick_rotate_increase", "down", rotateWithMouseWheel)
 	unbindControl("quick_rotate_decrease", "down", rotateWithMouseWheel)
 	unbindControl("zoom_in", "down", zoomWithMouseWheel)
 	unbindControl("zoom_out", "down", zoomWithMouseWheel)
+	isEnabled = false
 end
 
 function enable()
+	if isEnabled then
+		return false
+	end
 	-- add events, bind keys
 	ignoreFirst = true
 	addEventHandler("onClientCursorMove", root, onClientCursorMove_cursor)
@@ -365,4 +374,5 @@ function enable()
 	bindControl("zoom_in", "down", zoomWithMouseWheel) --zoom in
 	bindControl("zoom_out", "down", zoomWithMouseWheel) --zoom out
 	setTimer ( processCursorMove, 50, 1 ) --Lazy but we have to wait for MTA to switch modes
+	isEnabled = true
 end

[editor]/move_freecam/move_freecam.lua

@@ -11,6 +11,8 @@ local rotateSpeed = {slow = 1, medium = 8, fast = 40} -- degrees per scroll
 local zoomSpeed = {slow = 0.5, medium = 2, fast = 6}  -- units per scroll
 local ignoreElementWalls = true -- 'false' not supported yet
 
+local isEnabled = false
+
 local root = getRootElement()
 
 local camX, camY, camZ
@@ -297,17 +299,25 @@ function getZoomSpeeds()
 end
 
 function enable()
+	if isEnabled then
+		return false
+	end
 	addEventHandler("onClientRender", root, onClientRender_freecam)
 	bindControl("quick_rotate_increase", "down", rotateWithMouseWheel) --rotate left
 	bindControl("quick_rotate_decrease", "down", rotateWithMouseWheel) --rotate right
 	bindControl("zoom_in", "down", zoomWithMouseWheel) --zoom in
 	bindControl("zoom_out", "down", zoomWithMouseWheel) --zoom out
+	isEnabled = true
 end
 
 function disable()
+	if (not isEnabled) then
+		return false
+	end
 	removeEventHandler("onClientRender", root, onClientRender_freecam)
 	unbindControl("quick_rotate_increase", "down", rotateWithMouseWheel) --rotate left
 	unbindControl("quick_rotate_decrease", "down", rotateWithMouseWheel) --rotate right
 	unbindControl("zoom_in", "down", zoomWithMouseWheel) --zoom in
 	unbindControl("zoom_out", "down", zoomWithMouseWheel) --zoom out
+	isEnabled = false
 end

[editor]/move_keyboard/move_keyboard.lua

@@ -5,6 +5,8 @@ local ignoreAllSurfaces = true
 local moveSpeed = {slow = .025, medium = .25, fast = 2} -- meters per frame
 local rotateSpeed = {slow = 1, medium = 8, fast = 40} -- degrees per scroll or frame
 
+local isEnabled = false
+
 local selectedElement
 
 local posX, posY, posZ
@@ -489,15 +491,23 @@ function toggleAxesLock ( bool )
 end
 
 function enable()
+	if isEnabled then
+		return false
+	end
 	bindControl("quick_rotate_increase", "down", rotateWithMouseWheel) --rotate left
 	bindControl("quick_rotate_decrease", "down", rotateWithMouseWheel) --rotate right
 	addEventHandler("onClientRender", root, onClientRender_keyboard)
+	isEnabled = true
 end
 
 function disable()
+	if (not isEnabled) then
+		return false
+	end
 	unbindControl("quick_rotate_increase", "down", rotateWithMouseWheel) --rotate left
 	unbindControl("quick_rotate_decrease", "down", rotateWithMouseWheel) --rotate right
 	removeEventHandler("onClientRender", root, onClientRender_keyboard)
+	isEnabled = false
 end
 
 function setMovementType(movementType)