* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
+#ifndef __GDK_EVENTS_H__
+#define __GDK_EVENTS_H__
+
#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
-#ifndef __GDK_EVENTS_H__
-#define __GDK_EVENTS_H__
-
#include <gdk/gdkversionmacros.h>
#include <gdk/gdkcolor.h>
#include <gdk/gdktypes.h>
typedef struct _GdkEventVisibility GdkEventVisibility;
typedef struct _GdkEventMotion GdkEventMotion;
typedef struct _GdkEventButton GdkEventButton;
+typedef struct _GdkEventTouch GdkEventTouch;
typedef struct _GdkEventScroll GdkEventScroll;
typedef struct _GdkEventKey GdkEventKey;
typedef struct _GdkEventFocus GdkEventFocus;
typedef struct _GdkEventSetting GdkEventSetting;
typedef struct _GdkEventGrabBroken GdkEventGrabBroken;
+typedef struct _GdkEventSequence GdkEventSequence;
+
typedef union _GdkEvent GdkEvent;
/**
* @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
* %GDK_BUTTON_PRESS event.
+ * @GDK_DOUBLE_BUTTON_PRESS: alias for %GDK_2BUTTON_PRESS, added in 3.6.
* @GDK_3BUTTON_PRESS: a mouse button has been clicked 3 times in a short period
* of time. Note that each click also generates a %GDK_BUTTON_PRESS event.
+ * @GDK_TRIPLE_BUTTON_PRESS: alias for %GDK_3BUTTON_PRESS, added in 3.6.
* @GDK_BUTTON_RELEASE: a mouse button has been released.
* @GDK_KEY_PRESS: a key has been pressed.
* @GDK_KEY_RELEASE: a key has been released.
* was added in 2.8.
* @GDK_DAMAGE: the content of the window has been changed. This event type
* was added in 2.14.
+ * @GDK_TOUCH_BEGIN: A new touch event sequence has just started. This event
+ * type was added in 3.4.
+ * @GDK_TOUCH_UPDATE: A touch event sequence has been updated. This event type
+ * was added in 3.4.
+ * @GDK_TOUCH_END: A touch event sequence has finished. This event type
+ * was added in 3.4.
+ * @GDK_TOUCH_CANCEL: A touch event sequence has been canceled. This event type
+ * was added in 3.4.
* @GDK_EVENT_LAST: marks the end of the GdkEventType enumeration. Added in 2.18
*
* Specifies the type of the event.
* Do not confuse these events with the signals that GTK+ widgets emit.
* Although many of these events result in corresponding signals being emitted,
* the events are often transformed or filtered along the way.
+ *
+ * In some language bindings, the values %GDK_2BUTTON_PRESS and
+ * %GDK_3BUTTON_PRESS would translate into something syntactically
+ * invalid (eg <literal>Gdk.EventType.2ButtonPress</literal>, where a
+ * symbol is not allowed to start with a number). In that case, the
+ * aliases %GDK_DOUBLE_BUTTON_PRESS and %GDK_TRIPLE_BUTTON_PRESS can
+ * be used instead.
*/
typedef enum
{
GDK_MOTION_NOTIFY = 3,
GDK_BUTTON_PRESS = 4,
GDK_2BUTTON_PRESS = 5,
+ GDK_DOUBLE_BUTTON_PRESS = GDK_2BUTTON_PRESS,
GDK_3BUTTON_PRESS = 6,
+ GDK_TRIPLE_BUTTON_PRESS = GDK_3BUTTON_PRESS,
GDK_BUTTON_RELEASE = 7,
GDK_KEY_PRESS = 8,
GDK_KEY_RELEASE = 9,
GDK_OWNER_CHANGE = 34,
GDK_GRAB_BROKEN = 35,
GDK_DAMAGE = 36,
+ GDK_TOUCH_BEGIN = 37,
+ GDK_TOUCH_UPDATE = 38,
+ GDK_TOUCH_END = 39,
+ GDK_TOUCH_CANCEL = 40,
GDK_EVENT_LAST /* helper variable for decls */
} GdkEventType;
* @GDK_SCROLL_DOWN: the window is scrolled down.
* @GDK_SCROLL_LEFT: the window is scrolled to the left.
* @GDK_SCROLL_RIGHT: the window is scrolled to the right.
+ * @GDK_SCROLL_SMOOTH: the scrolling is determined by the delta values
+ * in #GdkEventScroll. See gdk_event_get_scroll_deltas(). Since: 3.4
*
* Specifies the direction for #GdkEventScroll.
*/
GDK_SCROLL_UP,
GDK_SCROLL_DOWN,
GDK_SCROLL_LEFT,
- GDK_SCROLL_RIGHT
+ GDK_SCROLL_RIGHT,
+ GDK_SCROLL_SMOOTH
} GdkScrollDirection;
/**
* @GDK_CROSSING_GTK_UNGRAB: crossing because a GTK+ grab is deactivated.
* @GDK_CROSSING_STATE_CHANGED: crossing because a GTK+ widget changed
* state (e.g. sensitivity).
+ * @GDK_CROSSING_TOUCH_BEGIN: crossing because a touch sequence has begun,
+ * this event is synthetic as the pointer might have not left the window.
+ * @GDK_CROSSING_TOUCH_END: crossing because a touch sequence has ended,
+ * this event is synthetic as the pointer might have not left the window.
+ * @GDK_CROSSING_DEVICE_SWITCH: crossing because of a device switch (i.e.
+ * a mouse taking control of the pointer after a touch device), this event
+ * is synthetic as the pointer didn't leave the window.
*
* Specifies the crossing mode for #GdkEventCrossing.
*/
GDK_CROSSING_UNGRAB,
GDK_CROSSING_GTK_GRAB,
GDK_CROSSING_GTK_UNGRAB,
- GDK_CROSSING_STATE_CHANGED
+ GDK_CROSSING_STATE_CHANGED,
+ GDK_CROSSING_TOUCH_BEGIN,
+ GDK_CROSSING_TOUCH_END,
+ GDK_CROSSING_DEVICE_SWITCH
} GdkCrossingMode;
/**
*
* Used for button press and button release events. The
* @type field will be one of %GDK_BUTTON_PRESS,
- * %GDK_2BUTTON_PRESS, %GDK_3BUTTON_PRESS, and %GDK_BUTTON_RELEASE.
+ * %GDK_2BUTTON_PRESS, %GDK_3BUTTON_PRESS or %GDK_BUTTON_RELEASE,
*
* Double and triple-clicks result in a sequence of events being received.
* For double-clicks the order of events will be:
gdouble x_root, y_root;
};
+/**
+ * GdkEventTouch:
+ * @type: the type of the event (%GDK_TOUCH_BEGIN, %GDK_TOUCH_UPDATE,
+ * %GDK_TOUCH_END, %GDK_TOUCH_CANCEL)
+ * @window: the window which received the event
+ * @send_event: %TRUE if the event was sent explicitly (e.g. using
+ * <function>XSendEvent</function>)
+ * @time: the time of the event in milliseconds.
+ * @x: the x coordinate of the pointer relative to the window
+ * @y: the y coordinate of the pointer relative to the window
+ * @axes: @x, @y translated to the axes of @device, or %NULL if @device is
+ * the mouse
+ * @state: (type GdkModifierType): a bit-mask representing the state of
+ * the modifier keys (e.g. Control, Shift and Alt) and the pointer
+ * buttons. See #GdkModifierType
+ * @sequence: the event sequence that the event belongs to
+ * @emulating_pointer: whether the event should be used for emulating
+ * pointer event
+ * @device: the device where the event originated
+ * @x_root: the x coordinate of the pointer relative to the root of the
+ * screen
+ * @y_root: the y coordinate of the pointer relative to the root of the
+ * screen
+ *
+ * Used for touch events.
+ * @type field will be one of %GDK_TOUCH_BEGIN, %GDK_TOUCH_UPDATE,
+ * %GDK_TOUCH_END or %GDK_TOUCH_CANCEL.
+ *
+ * Touch events are grouped into sequences by means of the @sequence
+ * field, which can also be obtained with gdk_event_get_event_sequence().
+ * Each sequence begins with a %GDK_TOUCH_BEGIN event, followed by
+ * any number of %GDK_TOUCH_UPDATE events, and ends with a %GDK_TOUCH_END
+ * (or %GDK_TOUCH_CANCEL) event. With multitouch devices, there may be
+ * several active sequences at the same time.
+ */
+struct _GdkEventTouch
+{
+ GdkEventType type;
+ GdkWindow *window;
+ gint8 send_event;
+ guint32 time;
+ gdouble x;
+ gdouble y;
+ gdouble *axes;
+ guint state;
+ GdkEventSequence *sequence;
+ gboolean emulating_pointer;
+ GdkDevice *device;
+ gdouble x_root, y_root;
+};
+
/**
* GdkEventScroll:
* @type: the type of the event (%GDK_SCROLL).
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType.
* @direction: the direction to scroll to (one of %GDK_SCROLL_UP,
- * %GDK_SCROLL_DOWN, %GDK_SCROLL_LEFT and %GDK_SCROLL_RIGHT).
+ * %GDK_SCROLL_DOWN, %GDK_SCROLL_LEFT, %GDK_SCROLL_RIGHT or
+ * %GDK_SCROLL_SMOOTH).
* @device: the device where the event originated.
* @x_root: the x 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.
+ *
+ * Some GDK backends can also generate 'smooth' scroll events, which
+ * can be recognized by the %GDK_SCROLL_SMOOTH scroll direction. For
+ * these, the scroll deltas can be obtained with
+ * gdk_event_get_scroll_deltas().
*/
struct _GdkEventScroll
{
GdkScrollDirection direction;
GdkDevice *device;
gdouble x_root, y_root;
+ gdouble delta_x;
+ gdouble delta_y;
};
/**
* <function>XSendEvent</function>).
* @atom: the property that was changed.
* @time: the time of the event in milliseconds.
- * @state: whether the property was changed (%GDK_PROPERTY_NEW_VALUE) or
- * deleted (%GDK_PROPERTY_DELETE).
+ * @state: (type GdkPropertyState): whether the property was changed
+ * (%GDK_PROPERTY_NEW_VALUE) or deleted (%GDK_PROPERTY_DELETE).
*
* Describes a property change on a window.
*/
GdkEventVisibility visibility;
GdkEventMotion motion;
GdkEventButton button;
+ GdkEventTouch touch;
GdkEventScroll scroll;
GdkEventKey key;
GdkEventCrossing crossing;
GDK_AVAILABLE_IN_3_2
gboolean gdk_event_get_scroll_direction (const GdkEvent *event,
GdkScrollDirection *direction);
+GDK_AVAILABLE_IN_3_4
+gboolean gdk_event_get_scroll_deltas (const GdkEvent *event,
+ gdouble *delta_x,
+ gdouble *delta_y);
+
gboolean gdk_event_get_axis (const GdkEvent *event,
GdkAxisUse axis_use,
gdouble *value);
GdkScreen *screen);
GdkScreen *gdk_event_get_screen (const GdkEvent *event);
+GDK_AVAILABLE_IN_3_4
+GdkEventSequence *gdk_event_get_event_sequence (const GdkEvent *event);
+
void gdk_set_show_events (gboolean show_events);
gboolean gdk_get_show_events (void);
projects / ~andy / gtk / blobdiff