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.