GdkModifierType

Flags

Value	Symbolic name	Description
????0	GDK_SHIFT_MASK	Denotes that a shift modifier is in place. A dedicated key or mouse-button will not become active until the Shift key is pressed down.
????1	GDK_LOCK_MASK	Denotes that a Caps Lock modifier is in place. Note that this modifier is illegal for use with accelerator keys, and will not work there.
????2	GDK_CONTROL_MASK	Denotes that a control modifier is in place. A dedicated key or mouse-button will not become active until the Control key is pressed down.
????3	GDK_MOD1_MASK	Denotes that an alt modifier is in place. A dedicated key or mouse-button will not become active until the Alt key is pressed down.
????4	GDK_MOD2_MASK
????5	GDK_MOD3_MASK
????6	GDK_MOD4_MASK
????7	GDK_MOD5_MASK
????8	GDK_BUTTON1_MASK	The first (mostly left) mouse button.
????9	GDK_BUTTON2_MASK	The second (middle) mouse button.
????10	GDK_BUTTON3_MASK	The third (mostly right) mouse button.
????11	GDK_BUTTON4_MASK	Mouse wheel up.
????12	GDK_BUTTON5_MASK	Mouse wheel down.
????13	GDK_RELEASE_MASK	Denotes that the act of releasing the button is a modifier.
????14	GDK_MODIFIER_MASK	Returns all the modifiers that are possible in the current context.