Add functions IGUIButton::getClickShiftState and IGUIButton::getClickControlState to get shift/ctrl key-state when a button was clicked. Thanks @StarSonata for patch (long time ago...).

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5545 dfc29bdd-3216-0410-991c-e03cc46cb475

changes.txt

@@ -1,6 +1,7 @@
 --------------------------
 Changes in 1.9 (not yet released)
 
+- Add functions IGUIButton::getClickShiftState and IGUIButton::getClickControlState to get shift/ctrl key-state when a button was clicked. Thanks @StarSonata for patch.
 - Add function ISceneManager::clearAllRegisteredNodesForRendering.
 - Add function IVideoDriver::queryTextureFormat to allow checking if a driver supports textures with a specific color format.
 - ISceneManager::getMesh can now creates meshes with alternative cache-names.

include/IGUIButton.h

@@ -225,6 +225,14 @@ namespace gui
 
 		//! Checks whether the button scales the used images
 		virtual bool isScalingImage() const = 0;
+
+		//! Get if the shift key was pressed in last EGET_BUTTON_CLICKED event
+		/** Generated together with event, so info is available in the event-receiver.	*/
+		virtual bool getClickShiftState() const	= 0;
+
+		//! Get if the control key was pressed in last EGET_BUTTON_CLICKED event
+		/** Generated together with event, so info is available in the event-receiver.	*/
+		virtual bool getClickControlState() const = 0;
 	};
 
 

source/Irrlicht/CGUIButton.cpp

@@ -22,6 +22,7 @@ CGUIButton::CGUIButton(IGUIEnvironment* environment, IGUIElement* parent,
 : IGUIButton(environment, parent, id, rectangle),
 	SpriteBank(0), OverrideFont(0),
 	ClickTime(0), HoverTime(0), FocusTime(0),
+	ClickShiftState(false), ClickControlState(false),
 	IsPushButton(false), Pressed(false),
 	UseAlphaChannel(false), DrawBorder(true), ScaleImage(false)
 {
@@ -146,6 +147,9 @@ bool CGUIButton::OnEvent(const SEvent& event)
 
 			if (Parent)
 			{
+				ClickShiftState = event.KeyInput.Shift;
+				ClickControlState = event.KeyInput.Control;
+
 				SEvent newEvent;
 				newEvent.EventType = EET_GUI_EVENT;
 				newEvent.GUIEvent.Caller = this;
@@ -205,6 +209,9 @@ bool CGUIButton::OnEvent(const SEvent& event)
 			if ((!IsPushButton && wasPressed && Parent) ||
 				(IsPushButton && wasPressed != Pressed))
 			{
+				ClickShiftState = event.MouseInput.Shift;
+				ClickControlState = event.MouseInput.Control;
+
 				SEvent newEvent;
 				newEvent.EventType = EET_GUI_EVENT;
 				newEvent.GUIEvent.Caller = this;

source/Irrlicht/CGUIButton.h

@@ -128,6 +128,18 @@ namespace gui
 		//! Checks whether the button scales the used images
 		virtual bool isScalingImage() const _IRR_OVERRIDE_;
 
+		//! Get if the shift key was pressed in last EGET_BUTTON_CLICKED event
+		virtual bool getClickShiftState() const	_IRR_OVERRIDE_
+		{
+			return ClickShiftState;
+		}
+
+		//! Get if the control key was pressed in last EGET_BUTTON_CLICKED event
+		virtual bool getClickControlState() const _IRR_OVERRIDE_
+		{
+			return ClickControlState;
+		}
+
 		//! Writes attributes of the element.
 		virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const _IRR_OVERRIDE_;
 
@@ -207,6 +219,9 @@ namespace gui
 
 		u32 ClickTime, HoverTime, FocusTime;
 
+		bool ClickShiftState;
+		bool ClickControlState;
+
 		bool IsPushButton;
 		bool Pressed;
 		bool UseAlphaChannel;