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wayland: Add gestures protocol XML
This commit is contained in:
Carlos Garnacho
parent
1ee387bb31
commit
e11feb229b
2
.gitignore
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2
.gitignore
vendored
@ -66,6 +66,8 @@ src/gtk-shell-protocol.c
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src/gtk-shell-server-protocol.h
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src/xdg-shell-protocol.c
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src/xdg-shell-server-protocol.h
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src/pointer-gestures-protocol.c
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src/pointer-gestures-server-protocol.h
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src/xserver-protocol.c
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src/xserver-server-protocol.h
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src/meta/meta-version.h
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@ -45,6 +45,8 @@ mutter_built_sources = \
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if HAVE_WAYLAND
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mutter_built_sources += \
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pointer-gestures-protocol.c \
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pointer-gestures-server-protocol.h \
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gtk-shell-protocol.c \
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gtk-shell-server-protocol.h \
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xdg-shell-protocol.c \
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@ -53,6 +55,7 @@ mutter_built_sources += \
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endif
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wayland_protocols = \
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wayland/protocol/pointer-gestures.xml \
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wayland/protocol/gtk-shell.xml \
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wayland/protocol/xdg-shell.xml \
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$(NULL)
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172
src/wayland/protocol/pointer-gestures.xml
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172
src/wayland/protocol/pointer-gestures.xml
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@ -0,0 +1,172 @@
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<protocol name="pointer_gestures">
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<interface name="_wl_pointer_gestures" version="1">
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<description summary="touchpad gestures">
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A global interface to provide semantic touchpad gestures for a given
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pointer.
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Two gestures are currently supported: swipe and zoom/rotate.
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All gestures follow a three-stage cycle: begin, update, end and
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are identified by a unique id.
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Warning! The protocol described in this file is experimental. Each
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version of this protocol should be considered incompatible with any
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other version, and a client binding to a version different to the one
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advertised will be terminated. Once the protocol is declared stable,
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compatibility is guaranteed, the '_' prefix will be removed from the
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name and the version will be reset to 1.
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</description>
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<request name="get_swipe_gesture">
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<description summary="get swipe gesture">
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Create a swipe gesture object. See the
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wl_pointer_gesture_swipe interface for details.
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</description>
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<arg name="id" type="new_id" interface="_wl_pointer_gesture_swipe"/>
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<arg name="pointer" type="object" interface="wl_pointer"/>
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</request>
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<request name="get_pinch_gesture">
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<description summary="get pinch gesture">
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Create a pinch gesture object. See the
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wl_pointer_gesture_pinch interface for details.
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</description>
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<arg name="id" type="new_id" interface="_wl_pointer_gesture_pinch"/>
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<arg name="pointer" type="object" interface="wl_pointer"/>
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</request>
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</interface>
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<interface name="_wl_pointer_gesture_swipe" version="1">
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<description summary="a swipe gesture object">
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A swipe gesture object notifies a client about a multi-finger swipe
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gesture detected on an indirect input device such as a touchpad.
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The gesture is usually initiated by multiple fingers moving in the
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same direction but once initiated the direction may change.
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The precise conditions of when such a gesture is detected are
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implementation-dependent.
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A gesture consists of three stages: begin, update (optional) and end.
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There cannot be multiple simultaneous pinch or swipe gestures on a
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same pointer/seat, how compositors prevent these situations is
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implementation-dependent.
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A gesture may be cancelled by the compositor or the hardware.
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Clients should not consider performing permanent or irreversible
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actions until the end of a gesture has been received.
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</description>
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<request name="destroy" type="destructor">
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<description summary="destroy the pointer swipe gesture object"/>
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</request>
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<event name="begin">
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<description summary="multi-finger swipe begin">
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This event is sent when a multi-finger swipe gesture is detected
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on the device.
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</description>
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<arg name="serial" type="uint"/>
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<arg name="time" type="uint" summary="timestamp with millisecond granularity"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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<arg name="fingers" type="uint" summary="number of fingers"/>
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</event>
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<event name="update">
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<description summary="multi-finger swipe motion">
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This event is sent when a multi-finger swipe gesture changes the
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position of the logical center.
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The dx and dy coordinates are relative coordinates of the logical
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center of the gesture compared to the previous event.
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</description>
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<arg name="time" type="uint" summary="timestamp with millisecond granularity"/>
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<arg name="dx" type="fixed" summary="delta x coordinate in surface coordinate space"/>
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<arg name="dy" type="fixed" summary="delta y coordinate in surface coordinate space"/>
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</event>
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<event name="end">
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<description summary="multi-finger swipe end">
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This event is sent when a multi-finger swipe gesture ceases to
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be valid. This may happen when one or more finger is lifted or
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the gesture is cancelled.
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When a gesture is cancelled, the client should undo state changes
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caused by this gesture. What causes a gesture to be cancelled is
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implementation-dependent.
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</description>
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<arg name="serial" type="uint"/>
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<arg name="time" type="uint" summary="timestamp with millisecond granularity"/>
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<arg name="cancelled" type="int" summary="1 if the gesture was cancelled, 0 otherwise"/>
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</event>
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</interface>
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<interface name="_wl_pointer_gesture_pinch" version="1">
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<description summary="a pinch gesture object">
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A pinch gesture object notifies a client about a multi-finger pinch
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gesture detected on an indirect input device such as a touchpad.
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The gesture is usually initiated by multiple fingers moving towards
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each other or away from each other, or by two or more fingers rotating
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around a logical center of gravity. The precise conditions of when
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such a gesture is detected are implementation-dependent.
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A gesture consists of three stages: begin, update (optional) and end.
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There cannot be multiple simultaneous pinch or swipe gestures on a
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same pointer/seat, how compositors prevent these situations is
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implementation-dependent.
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A gesture may be cancelled by the compositor or the hardware.
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Clients should not consider performing permanent or irreversible
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actions until the end of a gesture has been received.
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</description>
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<request name="destroy" type="destructor">
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<description summary="destroy the pinch gesture object"/>
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</request>
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<event name="begin">
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<description summary="multi-finger pinch begin">
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This event is sent when a multi-finger pinch gesture is detected
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on the device.
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</description>
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<arg name="serial" type="uint"/>
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<arg name="time" type="uint" summary="timestamp with millisecond granularity"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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<arg name="fingers" type="uint" summary="number of fingers"/>
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</event>
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<event name="update">
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<description summary="multi-finger pinch motion">
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This event is sent when a multi-finger pinch gesture changes the
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position of the logical center, the rotation or the relative scale.
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The dx and dy coordinates are relative coordinates in the
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surface coordinate space of the logical center of the gesture.
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The scale factor is an absolute scale compared to the
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pointer_gesture_pinch.begin event, e.g. a scale of 2 means the fingers
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are now twice as far apart as on pointer_gesture_pinch.begin.
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The rotation is the relative angle in degrees clockwise compared to the previous
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pointer_gesture_pinch.begin or pointer_gesture_pinch.update event.
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</description>
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<arg name="time" type="uint" summary="timestamp with millisecond granularity"/>
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<arg name="dx" type="fixed" summary="delta x coordinate in surface coordinate space"/>
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<arg name="dy" type="fixed" summary="delta y coordinate in surface coordinate space"/>
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<arg name="scale" type="fixed" summary="scale relative to the initial finger position"/>
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<arg name="rotation" type="fixed" summary="angle in degrees cw relative to the previous event"/>
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</event>
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<event name="end">
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<description summary="multi-finger pinch end">
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This event is sent when a multi-finger pinch gesture ceases to
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be valid. This may happen when one or more finger is lifted or
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the gesture is cancelled.
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When a gesture is cancelled, the client should undo state changes
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caused by this gesture. What causes a gesture to be cancelled is
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implementation-dependent.
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</description>
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<arg name="serial" type="uint"/>
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<arg name="time" type="uint" summary="timestamp with millisecond granularity"/>
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<arg name="cancelled" type="int" summary="1 if the gesture was cancelled, 0 otherwise"/>
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</event>
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</interface>
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</protocol>
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