gtk.gdk.Event
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## gtk.gdk.Event

gtk.gdk.Event — an object representing an event from the windowing system

## Synopsis

    class gtk.gdk.Event(gobject.GBoxed):
        gtk.gdk.Event(type)
        def put()
        def copy()
        def free()
        def get_time()
        def get_state(state)
        def get_coords()
        def get_root_coords()
        def get_axis(axis_use)
        def set_screen(screen)
        def get_screen()

    Functions

        def gtk.gdk.events_pending()
        def gtk.gdk.event_peek()
        def gtk.gdk.event_get()
        def gtk.gdk.event_get_graphics_expose(window)
        def gtk.gdk.set_show_events(show_events)
        def gtk.gdk.get_show_events()
        def gtk.gdk.event_handler_set(func, data=None)

## Attributes

The attributes available for a `gtk.gdk.Event` are dependent on the type of the event. The event types are described in the Description section.

### `gtk.gdk.NOTHING`

### `gtk.gdk.DELETE`

### `gtk.gdk.DESTROY`

### `gtk.gdk.MAP`

### `gtk.gdk.UNMAP`

### `gtk.gdk.NO_EXPOSE`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.

Contain only the fields that are common to all event types.

### `gtk.gdk.EXPOSE`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"area" | Read/Write | The bounding box of the area to be redrawn
"count" | Read/Write | The number of contiguous gtk.gdk.EXPOSE events following this one. The only use for this is "exposure compression", i.e. handling all contiguous gtk.gdk.EXPOSE events in one go, though `PyGTK` performs some exposure compression so this is not normally needed.

Generated when all or part of a window becomes visible and needs to be redrawn.

### `gtk.gdk.MOTION_NOTIFY`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"time" | Read/Write | The time of the event in milliseconds.
"x" | Read/Write | The x coordinate of the pointer relative to the window.
"y" | Read/Write | The y coordinate of the pointer relative to the window.
"axes" | Read | `x`, `y` translated to the axes of `device`, or `None` if `device` is the mouse.
"state" | Read/Write | A bit-mask representing the state of the modifier keys (e.g. Control, Shift and Alt) and the pointer buttons.
"is_hint" | Read/Write | `TRUE` if the `gdk.POINTER_MOTION_HINT_MASK` is set.
"device" | Read | The device where the event originated.
"x_root" | Read/Write | The x coordinate of the pointer relative to the root of the screen.
"y_root" | Read/Write | The y coordinate of the pointer relative to the root of the screen.

Generated when the pointer moves.

### `gtk.gdk.BUTTON_PRESS`

### `gtk.gdk._2BUTTON_PRESS`

### `gtk.gdk._3BUTTON_PRESS`

### `gtk.gdk.BUTTON_RELEASE`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"time" | Read/Write | The time of the event in milliseconds.
"x" | Read/Write | The x coordinate of the pointer relative to the window.
"y" | Read/Write | The y coordinate of the pointer relative to the window.
"axes" | Read | `x`, `y` translated to the axes of `device`, or `None` if `device` is the mouse.
"state" | Read/Write | A bit-mask representing the state of the modifier keys (e.g. Control, Shift and Alt) and the pointer buttons.
"button" | Read/Write | The button which was pressed or released, numbered from 1 to 5. Normally button 1 is the left mouse button, 2 is the middle button, and 3 is the right button. On 2-button mice, the middle button can often be simulated by pressing both mouse buttons together.
"device" | Read | The device where the event originated.
"x_root" | Read/Write | The x coordinate of the pointer relative to the root of the screen.
"y_root" | Read/Write | The y coordinate of the pointer relative to the root of the screen.

Used for button press and button release events.

Double and triple-clicks result in a sequence of events being received. For double-clicks the order of events will be:

1. `gtk.gdk.BUTTON_PRESS`
2. `gtk.gdk.BUTTON_RELEASE`
3. `gtk.gdk.BUTTON_PRESS`
4. `gtk.gdk.2BUTTON_PRESS`
5. `gtk.gdk.BUTTON_RELEASE`

Note that the first click is received just like a normal button press, while the second click results in a `gtk.gdk.2BUTTON_PRESS` being received just after the `gtk.gdk.BUTTON_PRESS`.

Triple-clicks are very similar to double-clicks, except that `gtk.gdk.3BUTTON_PRESS` is inserted after the third click. The order of the events is:

1. `gtk.gdk.BUTTON_PRESS`
2. `gtk.gdk.BUTTON_RELEASE`
3. `gtk.gdk.BUTTON_PRESS`
4. `gtk.gdk.2BUTTON_PRESS`
5. `gtk.gdk.BUTTON_RELEASE`
6. `gtk.gdk.BUTTON_PRESS`
7. `gtk.gdk.3BUTTON_PRESS`
8. `gtk.gdk.BUTTON_RELEASE`

For a double click to occur, the second button press must occur within 1/4 of a second of the first. For a triple click to occur, the third button press must also occur within 1/2 second of the first button press.

### `gtk.gdk.KEY_PRESS`

### `gtk.gdk.KEY_RELEASE`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"time" | Read/Write | The time of the event in milliseconds.
"state" | Read/Write | A bit-mask representing the state of the modifier keys (e.g. Control, Shift and Alt) and the pointer buttons.
"keyval" | Read/Write | The key that was pressed or released.
"string" | Read/Write | A multi-byte string containing the composed characters resulting from the key press. When text is being input, in a `gtk.Entry` for example, it is these characters which should be added to the input buffer. When using Input Methods to support internationalized text input, the composed characters appear here after the pre-editing has been completed.
"hardware_keycode" | Read/Write | The raw code of the key that was pressed or released. Available in PyGTK 2.2 and above.
"group" | Read/Write | the keyboard group. Available in PyGTK 2.4 and above.

Generated for a key press or key release event.

### `gtk.gdk.ENTER_NOTIFY`

### `gtk.gdk.LEAVE_NOTIFY`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"subwindow" | Read/Write | The window that was entered or left.
"time" | Read/Write | The time of the event in milliseconds.
"x" | Read/Write | The x coordinate of the pointer relative to the window.
"y" | Read/Write | The y coordinate of the pointer relative to the window.
"x_root" | Read/Write | The x coordinate of the pointer relative to the root of the screen.
"y_root" | Read/Write | The y coordinate of the pointer relative to the root of the screen.
"mode" | Read/Write | The crossing mode (`gtk.gdk.CROSSING_NORMAL`, `gtk.gdk.CROSSING_GRAB` or `gtk.gdk.CROSSING_UNGRAB`).
"detail" | Read/Write | The kind of crossing that happened (`gtk.gdk.NOTIFY_INFERIOR`, `gtk.gdk.NOTIFY_ANCESTOR`, `gtk.gdk.NOTIFY_VIRTUAL`, `gtk.gdk.NOTIFY_NONLINEAR` or `gtk.gdk.NOTIFY_NONLINEAR_VIRTUAL`).
"focus" | Read/Write | `TRUE` if `window` is the focus window or an inferior.
"state" | Read/Write | A bit-mask representing the state of the modifier keys (e.g. Control, Shift and Alt) and the pointer buttons.

Generated when the pointer enters or leaves a window.

### `gtk.gdk.FOCUS_CHANGE`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"in_" | Read/Write | `TRUE` if the window has gained the keyboard focus, `FALSE` if it has lost the focus.

Describes a change of keyboard focus.

### `gtk.gdk.CONFIGURE`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"x" | Read/Write | The new x coordinate of the window relative to its parent.
"y" | Read/Write | The new y coordinate of the window relative to its parent.
"width" | Read/Write | The new width of the window.
"height" | Read/Write | The new height of the window.

Generated when a window size or position has changed.

### `gtk.gdk.PROPERTY_NOTIFY`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"atom" | Read | The property that was changed.
"time" | Read/Write | The time of the event in milliseconds.
"state" | Read/Write | The property was changed (`gtk.gdk.PROPERTY_NEW_VALUE`) or deleted (`gtk.gdk.PROPERTY_DELETE`).

Describes a property change on a window.

### `gtk.gdk.SELECTION_CLEAR`

### `gtk.gdk.SELECTION_REQUEST`

### `gtk.gdk.SELECTION_NOTIFY`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"selection" | Read | The selection.
"target" | Read | The target to which the selection should be converted.
"property" | Read | The property in which to place the result of the conversion.
"requestor" | Read/Write | the native window ID on which to place property.
"time" | Read/Write | The time of the event in milliseconds.

Generated when a selection is requested or ownership of a selection is taken over by another client application.

### `gtk.gdk.PROXIMITY_IN`

### `gtk.gdk.PROXIMITY_OUT`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"time" | Read/Write | The time of the event in milliseconds.
"device" | Read | The device where the event originated.

Proximity events are generated when using GDK's wrapper for the XInput extension. The XInput extension is an add-on for standard X that allows you to use nonstandard devices such as graphics tablets. A proximity event indicates that the stylus has moved in or out of contact with the tablet, or perhaps that the user's finger has moved in or out of contact with a touch screen.

### `gtk.gdk.DRAG_ENTER`

### `gtk.gdk.DRAG_LEAVE`

### `gtk.gdk.DRAG_MOTION`

### `gtk.gdk.DRAG_STATUS`

### `gtk.gdk.DRAG_START`

### `gtk.gdk.DRAG_FINISHED`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"context" | Read | The `gtk.gdk.DragContext` for the current DND operation.
"time" | Read/Write | The time of the event in milliseconds.
"x_root" | Read/Write | The x coordinate of the pointer relative to the root of the screen only set for `gtk.gdk.DRAG_MOTION` and `gtk.gdk.DROP_START`.
"y_root" | Read/Write | The y coordinate of the pointer relative to the root of the screen only set for `gtk.gdk.DRAG_MOTION` and `gtk.gdk.DROP_START`.

Generated during Drag and Drop operations.

### `gtk.gdk.CLIENT_EVENT`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"message_type" | Read/Write | The type of the message, which can be defined by the application.
"data_format" | Read/Write | The format of the data, given as the number of bits in each data element, i.e. 8, 16, or 32.
"data" | Read/Write | The data as a string of 8-bit characters.

An event sent by another client application.

### `gtk.gdk.VISIBILITY_NOTIFY`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"state" | Read/Write | The new visibility state (`gtk.gdk.VISIBILITY_FULLY_OBSCURED`, `gtk.gdk.VISIBILITY_PARTIAL` or `gtk.gdk.VISIBILITY_UNOBSCURED`).

Generated when the window visibility status has changed.

### `gtk.gdk.SCROLL`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"time" | Read/Write | The time of the event in milliseconds.
"x" | Read/Write | The x coordinate of the pointer relative to the window.
"y" | Read/Write | The y coordinate of the pointer relative to the window.
"state" | Read/Write | A bit-mask representing the state of the modifier keys (e.g. Control, Shift and Alt) and the pointer buttons.
"direction" | Read/Write | The direction to scroll to (one of `gtk.gdk.SCROLL_UP`, `gtk.gdk.SCROLL_DOWN`, `gtk.gdk.SCROLL_LEFT` or `gtk.gdk.SCROLL_RIGHT`).
"device" | Read | The device where the event originated.
"x_root" | Read/Write | The x coordinate of the pointer relative to the root of the screen.
"y_root" | Read/Write | The y coordinate of the pointer relative to the root of the screen.

Generated from button presses for the buttons 4 to 7. Wheel mice are usually configured to generate button press events for buttons 4 and 5 when the wheel is turned.

### `gtk.gdk.WINDOW_STATE`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"changed_mask" | Read/Write | The mask specifying what flags have changed - a combination of: `gtk.gdk.WINDOW_STATE_WITHDRAWN`, `gtk.gdk.WINDOW_STATE_ICONIFIED`, `gtk.gdk.WINDOW_STATE_MAXIMIZED` and `gtk.gdk.WINDOW_STATE_STICKY`
"new_window_state" | Read/Write | The new window state - a combination of: `gtk.gdk.WINDOW_STATE_WITHDRAWN`, `gtk.gdk.WINDOW_STATE_ICONIFIED`, `gtk.gdk.WINDOW_STATE_MAXIMIZED` and `gtk.gdk.WINDOW_STATE_STICKY`

Generated when the state of a toplevel window changes.

### `gtk.gdk.SETTING`

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"action" | Read/Write | What happened to the setting (`gtk.gdk.SETTING_ACTION_NEW`, `gtk.gdk.SETTING_ACTION_CHANGED` or `gtk.gdk.SETTING_ACTION_DELETED`).
"name" | Read/Write | The name of the setting.

Generated when a setting is modified.

### `gtk.gdk.OWNER_CHANGE`

### Note

This Event type is available in PyGTK 2.8 and above.

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"owner" | Read/Write | the new owner of the selection - the native window ID as an integer
"reason" | Read/Write | the reason for the ownership change indicated by one of the GDK Owner Change Constants.
"selection" | Read | the atom identifying the selection
"time" | Read/Write | the timestamp of the event
"selection_time" | Read/Write | the time at which the selection ownership was taken over

Generated when the owner of a selection changes. On X11, this information is only available if the X server supports the XFIXES extension.

### `gtk.gdk.GRAB_BROKEN`

### Note

This Event type is available in PyGTK 2.8 and above.

"type" | Read | The event type - see the list below in the Description section
"window" | Read/Write | The `gtk.gdk.Window` the event occurred on.
"send_event" | Read/Write | `TRUE` if the event was sent explicitly.
"keyboard" | Read/Write | if `TRUE` a keyboard grab was broken; if `FALSE` a pointer grab was broken
"implicit" | Read/Write | if TRUE the broken grab was implicit
"grab_window" | Read | If this event is caused by another grab in the same application, `grab_window` contains the new grab window. Otherwise `grab_window` is `None`.

Generated when a pointer or keyboard grab is broken. On X11, this happens when the grab window becomes unviewable (i.e. it or one of its ancestors is unmapped), or if the same application grabs the pointer or keyboard again. Note that implicit grabs (which are initiated by button presses) can also cause `gtk.gdk.GRAB_BROKEN` events.

## Description

A `gtk.gdk.Event` represents an event from the windowing system. The `gtk.gdk.Event` methods are usually not used by applications since the `PyGTK` main loop generates signals and invokes the appropriate signal handler. The event types are:

`gtk.gdk.NOTHING` | a special code to indicate a null event.
`gtk.gdk.DELETE` | the window manager has requested that the toplevel window be hidden or destroyed, usually when the user clicks on a special icon in the title bar.
`gtk.gdk.DESTROY` | the window has been destroyed.
`gtk.gdk.EXPOSE` | all or part of the window has become visible and needs to be redrawn.
`gtk.gdk.MOTION_NOTIFY` | the pointer (usually a mouse) has moved.
`gtk.gdk.BUTTON_PRESS` | a mouse button has been pressed.
`gtk.gdk._2BUTTON_PRESS` | a mouse button has been double-clicked (clicked twice within a short period of time). Note that each click also generates a `gtk.gdk.BUTTON_PRESS` event.
`gtk.gdk._3BUTTON_PRESS` | a mouse button has been clicked 3 times in a short period of time. Note that each click also generates a `gtk.gdk.BUTTON_PRESS` event.
`gtk.gdk.BUTTON_RELEASE` | a mouse button has been released.
`gtk.gdk.KEY_PRESS` | a key has been pressed.
`gtk.gdk.KEY_RELEASE` | a key has been released.
`gtk.gdk.ENTER_NOTIFY` | the pointer has entered the window.
`gtk.gdk.LEAVE_NOTIFY` | the pointer has left the window.
`gtk.gdk.FOCUS_CHANGE` | the keyboard focus has entered or left the window.
`gtk.gdk.CONFIGURE` | the size, position or stacking order of the window has changed. Note that `PyGTK` discards these events for `gtk.gdk.WINDOW_CHILD` windows.
`gtk.gdk.MAP` | the window has been mapped.
`gtk.gdk.UNMA` | the window has been unmapped.
`gtk.gdk.PROPERTY_NOTIFY` | a property on the window has been changed or deleted.
`gtk.gdk.SELECTION_CLEAR` | the application has lost ownership of a selection.
`gtk.gdk.SELECTION_REQUEST` | another application has requested a selection.
`gtk.gdk.SELECTION_NOTIFY` | a selection has been received.
`gtk.gdk.PROXIMITY_IN` | an input device has moved into contact with a sensing surface (e.g. a touchscreen or graphics tablet).
`gtk.gdk.PROXIMITY_OUT` | an input device has moved out of contact with a sensing surface.
`gtk.gdk.DRAG_ENTER` | the mouse has entered the window while a drag is in progress.
`gtk.gdk.DRAG_LEAVE` | the mouse has left the window while a drag is in progress
`gtk.gdk.DRAG_MOTION` | the mouse has moved in the window while a drag is in progress.
`gtk.gdk.DRAG_STATUS` | the status of the drag operation initiated by the window has changed.
`gtk.gdk.DROP_START` | a drop operation onto the window has started.
`gtk.gdk.DROP_FINISHED` | the drop operation initiated by the window has completed.
`gtk.gdk.CLIENT_EVENT` | a message has been received from another application.
`gtk.gdk.VISIBILITY_NOTIFY` | the window visibility status has changed.
`gtk.gdk.NO_EXPOSE` | indicates that the source region was completely available when parts of a drawable were copied. This is not very useful.
`gtk.gdk.SCROLL` | a scroll had occurred for a window
`gtk.gdk.WINDOW_STATE` | the window state has changed
`gtk.gdk.SETTING` | a setting has changed
`gtk.gdk.OWNER_CHANGE` | the owner of a selection has changed. Added in GTK+ 2.6
`gtk.gdk.GRAB_BROKEN` | a pointer or keyboard grab was broken. Added in GTK+ 2.8.

A set of bit-flags is used to indicate which events a window is to receive. Most of these masks map onto one or more of the event types above. Use the `gtk.Widget.set_events`() method to indicate which events a widget should receive.

The `gtk.gdk.POINTER_MOTION_HINT_MASK` is a special mask which is used to reduce the number of `gtk.gdk.MOTION_NOTIFY` events received. Normally a `gtk.gdk.MOTION_NOTIFY` event is received each time the mouse moves. However, if the application spends a lot of time processing the event (updating the display, for example), it can easily lag behind the position of the mouse. When using the `gtk.gdk.POINTER_MOTION_HINT_MASK` the server will only send a single `gtk.gdk.MOTION_NOTIFY` event (which is marked as a hint) until the application asks for more, by calling the `gtk.gdk.Window.get_pointer`() method. The masks are:

- `gtk.gdk.EXPOSURE_MASK`
- `gtk.gdk.POINTER_MOTION_MASK`
- `gtk.gdk.POINTER_MOTION_HINT_MASK`
- `gtk.gdk.BUTTON_MOTION_MASK`
- `gtk.gdk.BUTTON1_MOTION_MASK`
- `gtk.gdk.BUTTON2_MOTION_MASK`
- `gtk.gdk.BUTTON3_MOTION_MASK`
- `gtk.gdk.BUTTON_PRESS_MASK`
- `gtk.gdk.BUTTON_RELEASE_MASK`
- `gtk.gdk.KEY_PRESS_MASK`
- `gtk.gdk.KEY_RELEASE_MASK`
- `gtk.gdk.ENTER_NOTIFY_MASK`
- `gtk.gdk.LEAVE_NOTIFY_MASK`
- `gtk.gdk.FOCUS_CHANGE_MASK`
- `gtk.gdk.STRUCTURE_MASK`
- `gtk.gdk.PROPERTY_CHANGE_MASK`
- `gtk.gdk.VISIBILITY_NOTIFY_MASK`
- `gtk.gdk.PROXIMITY_IN_MASK`
- `gtk.gdk.PROXIMITY_OUT_MASK`
- `gtk.gdk.SUBSTRUCTURE_MASK`
- `gtk.gdk.SCROLL_MASK`
- `gtk.gdk.ALL_EVENTS_MASK`

`gtk.gdk.ALL_EVENTS_MASK` is a combination of all the event masks.

## Constructor

        gtk.gdk.Event(type)

`type` : | a event type - see the Description above
Returns : | a newly-allocated `gtk.gdk.Event`.

### Note

This constructor is available in PyGTK 2.2 and above.

Creates a new `gtk.gdk.Event` of the given type. All fields are set to 0.

## Methods

### gtk.gdk.Event.put

        def put()

The `put`() method appends a copy of the given event onto the tail of the event queue.

### gtk.gdk.Event.copy

        def copy()

Returns : | a copy of the event

The `copy`() method copies the event, copying or incrementing the reference count of the resources associated with it (e.g. windows and strings).

### gtk.gdk.Event.free

        def free()

### Warning

This method is deprecated and should not be used since it may crash your application.

The `free`() method frees the event, freeing or decrementing any resources associated with it. Note that this method should only be called on `gtk.gdk.Event` objects returned from methods or functions such as `gtk.gdk.event_peek`(), `gtk.gdk.event_get`(), `gtk.gdk.event_get_graphics_expose`() and `copy`().

### gtk.gdk.Event.get_time

        def get_time()

Returns : | the time stamp field from the event

The `get_time`() method returns the time stamp from the event, if there is one; otherwise returns 0.

### gtk.gdk.Event.get_state

        def get_state()

Returns : | the modifier state

### Note

This method is available in PyGTK 2.4 and above.

The `get_state`() method returns the value of the modifier "state" field. If the event has no "state" field the empty state value (0) is returned. The "state" field contains a modifier type: a combination of the GDK Modifier Constants.

### `gtk.gdk.NOTHING`

### `gtk.gdk.DELETE`

### `gtk.gdk.DESTROY`

### `gtk.gdk.MAP`

### `gtk.gdk.UNMAP`

### `gtk.gdk.NO_EXPOSE`

> These events do not have any additional attributes.

### gtk.gdk.Event.get_coords

        def get_coords()

Returns : | a tuple containing the event window x and y coordinates or an empty tuple if the event did not deliver event window coordinates

The `get_coords`() method returns a tuple containing the x and y coordinates of an event relative to the event `gtk.gdk.Window` or an empty tuple if the event did not deliver event window coordinates.

### gtk.gdk.Event.get_root_coords

        def get_root_coords()

Returns : | a tuple containing the root window x and y coordinates or an empty tuple if the event did not deliver root window coordinates

The `get_root_coords`() method returns a tuple containing the x and y coordinates from an event relative to the root window or an empty tuple if the event did not deliver root window coordinates.

### gtk.gdk.Event.get_axis

        def get_axis(axis_use)

`axis_use` : | the axis use to look for
Returns : | the value found or `None` if the axis was not found.

The `get_axis`() method returns the axis value for the axis use specified by `axis_use` from an event structure. The value of `axis_use` must be one of:

`gtk.gdk.AXIS_IGNORE` | the axis is ignored.
`gtk.gdk.AXIS_X` | the axis is used as the x axis.
`gtk.gdk.AXIS_Y` | the axis is used as the y axis.
`gtk.gdk.AXIS_PRESSURE` | the axis is used for pressure information.
`gtk.gdk.AXIS_XTILT` | the axis is used for x tilt information.
`gtk.gdk.AXIS_YTILT` | the axis is used for y tilt information.
`gtk.gdk.AXIS_WHEEL` | the axis is used for wheel information.
`gtk.gdk.AXIS_LAST` | a constant equal to the numerically highest axis value.

If an axis with the specified axis use is not found, this method returns `None`.

### gtk.gdk.Event.set_screen

        def set_screen(screen)

`screen` : | a `gtk.gdk.Screen`

### Note

This method is available in PyGTK 2.2 and above.

The `set_screen`() method sets the `gtk.gdk.Screen` to the value of `screen`. The event must have been allocated by `PyGTK`, for instance, by the `gtk.gdk.Event.copy()` method.

### gtk.gdk.Event.get_screen

        def get_screen()

Returns : | the screen for the event

### Note

This method is available in PyGTK 2.2 and above.

The `get_screen`() method returns the `gtk.gdk.Screen` for the event. The screen is typically the screen for the event window, but for events such as mouse events, it is the screen where the the pointer was when the event occurs - that is, the screen that has the root window for the event.

## Functions

### gtk.gdk.events_pending

        def gtk.gdk.events_pending()

Returns : | `TRUE` if any events are pending

The `gtk.gdk.events_pending`() function returns `TRUE` if any events are ready to be processed.

### gtk.gdk.event_peek

        def gtk.gdk.event_peek()

Returns : | a copy of the first `gtk.gdk.Event` on the event queue or `None` if there is no event in the queue.

The `gtk.gdk.event_peek`() function returns a copy of the first `gtk.gdk.Event` on the event queue or `None` if there is no event on the event queue.

### gtk.gdk.event_get

        def gtk.gdk.event_get()

Returns : | the next `gtk.gdk.Event` to be processed, or `None` if no events are pending.

The `gtk.gdk.event_get`() function returns the next `gtk.gdk.Event` to be processed or `None` if no events are available.

### gtk.gdk.event_get_graphics_expose

        def gtk.gdk.event_get_graphics_expose(window)

`window` : | a `gtk.gdk.Window`
Returns : | an expose `gtk.gdk.Event` if a `GraphicsExpose` was received, or `None` if a `NoExpose` event was received.

The `gtk.gdk.event_get_graphics_expose`() function waits for and returns returns an expose `gtk.gdk.Event` if a `GraphicsExpose` was received, or `None` if a `NoExpose` event was received.

### gtk.gdk.set_show_events

        def gtk.gdk.set_show_events(show_events)

`show_events` : | if `TRUE` output event debug information

The `gtk.gdk.set_show_events`() function sets the debug events flag if `show_events` is `TRUE`. Otherwise the debug events flag is unset.

### gtk.gdk.get_show_events

        def gtk.gdk.get_show_events()

Returns : | `TRUE` if the debug events flag is set.

The `gtk.gdk.get_show_events`() function returns the setting of the internal debug events flag.

### gtk.gdk.event_handler_set

        def gtk.gdk.event_handler_set(func, data=None)

`func` : | the function to call to handle events from GDK or `None`.
`data` : | user data to pass to the function.

### Note

This function is available in PyGTK 2.10 and above.

The `gtk.gdk.event_handler_set`() function specifies `func` as the function to call to handle all events from GDK. `data` is the optional user data to pass to `func`.

The signature of `func` is:

      def func(event, user_data):

where `event` is the `gtk.gdk.Event` and `user_data` is `data`.

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