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2b81d90dd7
The G_CONST_RETURN define in GLib is, and has always been, a bit fuzzy. We always used it to conform to the platform, at least for public-facing API. At first I assumed it has something to do with brain-damaged compilers or with weird platforms where const was not really supported; sadly, it's something much, much worse: it's a define that can be toggled at compile-time to remove const from the signature of public API. This is a truly terrifying feature that I assume was added in the past century, and whose inception clearly had something to do with massive doses of absynthe and opium — because any other explanation would make the existence of such a feature even worse than assuming drugs had anything to do with it. Anyway, and pleasing the gods, this dubious feature is being removed/deprecated in GLib; see bug: https://bugzilla.gnome.org/show_bug.cgi?id=644611 Before deprecation, though, we should just remove its usage from the whole API. We should especially remove its usage from Cally's internals, since there it never made sense in the first place.
173 lines
7.5 KiB
C
173 lines
7.5 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright © 2009, 2010, 2011 Intel Corp.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_INPUT_DEVICE_H__
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#define __CLUTTER_INPUT_DEVICE_H__
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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_INPUT_DEVICE (clutter_input_device_get_type ())
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#define CLUTTER_INPUT_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_INPUT_DEVICE, ClutterInputDevice))
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#define CLUTTER_IS_INPUT_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_INPUT_DEVICE))
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#define CLUTTER_INPUT_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_INPUT_DEVICE, ClutterInputDeviceClass))
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#define CLUTTER_IS_INPUT_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_INPUT_DEVICE))
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#define CLUTTER_INPUT_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_INPUT_DEVICE, ClutterInputDeviceClass))
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/**
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* ClutterInputDevice:
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*
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* Generic representation of an input device. The actual contents of this
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* structure depend on the backend used.
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*/
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typedef struct _ClutterInputDevice ClutterInputDevice;
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typedef struct _ClutterInputDeviceClass ClutterInputDeviceClass;
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/**
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* ClutterInputDeviceType:
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* @CLUTTER_POINTER_DEVICE: A pointer device
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* @CLUTTER_KEYBOARD_DEVICE: A keyboard device
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* @CLUTTER_EXTENSION_DEVICE: A generic extension device
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* @CLUTTER_JOYSTICK_DEVICE: A joystick device
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* @CLUTTER_TABLET_DEVICE: A tablet device
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* @CLUTTER_TOUCHPAD_DEVICE: A touchpad device
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* @CLUTTER_TOUCHSCREEN_DEVICE: A touch screen device
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* @CLUTTER_PEN_DEVICE: A pen device
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* @CLUTTER_ERASER_DEVICE: An eraser device
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* @CLUTTER_CURSOR_DEVICE: A cursor device
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* @CLUTTER_N_DEVICE_TYPES: The number of device types
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*
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* The types of input devices available.
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*
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* The #ClutterInputDeviceType enumeration can be extended at later
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* date; not every platform supports every input device type.
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*
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* Since: 1.0
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*/
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typedef enum {
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CLUTTER_POINTER_DEVICE,
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CLUTTER_KEYBOARD_DEVICE,
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CLUTTER_EXTENSION_DEVICE,
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CLUTTER_JOYSTICK_DEVICE,
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CLUTTER_TABLET_DEVICE,
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CLUTTER_TOUCHPAD_DEVICE,
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CLUTTER_TOUCHSCREEN_DEVICE,
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CLUTTER_PEN_DEVICE,
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CLUTTER_ERASER_DEVICE,
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CLUTTER_CURSOR_DEVICE,
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CLUTTER_N_DEVICE_TYPES
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} ClutterInputDeviceType;
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/**
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* ClutterInputMode:
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* @CLUTTER_INPUT_MODE_MASTER: A master, virtual device
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* @CLUTTER_INPUT_MODE_SLAVE: A slave, physical device, attached to
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* a master device
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* @CLUTTER_INPUT_MODE_FLOATING: A slave, physical device, not attached
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* to a master device
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*
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* The mode for input devices available.
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*
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* Since: 1.6
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*/
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typedef enum {
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CLUTTER_INPUT_MODE_MASTER,
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CLUTTER_INPUT_MODE_SLAVE,
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CLUTTER_INPUT_MODE_FLOATING
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} ClutterInputMode;
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/**
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* ClutterInputAxis:
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* @CLUTTER_INPUT_AXIS_IGNORE: Unused axis
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* @CLUTTER_INPUT_AXIS_X: The position on the X axis
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* @CLUTTER_INPUT_AXIS_Y: The position of the Y axis
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* @CLUTTER_INPUT_AXIS_PRESSURE: The pressure information
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* @CLUTTER_INPUT_AXIS_XTILT: The tilt on the X axis
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* @CLUTTER_INPUT_AXIS_YTILT: The tile on the Y axis
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* @CLUTTER_INPUT_AXIS_WHEEL: A wheel
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*
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* The type of axes Clutter recognizes on a #ClutterInputDevice
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*
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* Since: 1.6
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*/
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typedef enum {
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CLUTTER_INPUT_AXIS_IGNORE,
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CLUTTER_INPUT_AXIS_X,
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CLUTTER_INPUT_AXIS_Y,
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CLUTTER_INPUT_AXIS_PRESSURE,
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CLUTTER_INPUT_AXIS_XTILT,
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CLUTTER_INPUT_AXIS_YTILT,
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CLUTTER_INPUT_AXIS_WHEEL
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} ClutterInputAxis;
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GType clutter_input_device_get_type (void) G_GNUC_CONST;
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ClutterInputDeviceType clutter_input_device_get_device_type (ClutterInputDevice *device);
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gint clutter_input_device_get_device_id (ClutterInputDevice *device);
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void clutter_input_device_get_device_coords (ClutterInputDevice *device,
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gint *x,
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gint *y);
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ClutterActor * clutter_input_device_get_pointer_actor (ClutterInputDevice *device);
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ClutterStage * clutter_input_device_get_pointer_stage (ClutterInputDevice *device);
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const gchar * clutter_input_device_get_device_name (ClutterInputDevice *device);
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ClutterInputMode clutter_input_device_get_device_mode (ClutterInputDevice *device);
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gboolean clutter_input_device_get_has_cursor (ClutterInputDevice *device);
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void clutter_input_device_set_enabled (ClutterInputDevice *device,
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gboolean enabled);
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gboolean clutter_input_device_get_enabled (ClutterInputDevice *device);
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guint clutter_input_device_get_n_axes (ClutterInputDevice *device);
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ClutterInputAxis clutter_input_device_get_axis (ClutterInputDevice *device,
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guint index_);
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gboolean clutter_input_device_get_axis_value (ClutterInputDevice *device,
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gdouble *axes,
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ClutterInputAxis axis,
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gdouble *value);
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guint clutter_input_device_get_n_keys (ClutterInputDevice *device);
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void clutter_input_device_set_key (ClutterInputDevice *device,
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guint index_,
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guint keyval,
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ClutterModifierType modifiers);
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gboolean clutter_input_device_get_key (ClutterInputDevice *device,
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guint index_,
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guint *keyval,
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ClutterModifierType *modifiers);
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ClutterInputDevice * clutter_input_device_get_associated_device (ClutterInputDevice *device);
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GList * clutter_input_device_get_slave_devices (ClutterInputDevice *device);
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void clutter_input_device_update_from_event (ClutterInputDevice *device,
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ClutterEvent *event,
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gboolean update_stage);
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G_END_DECLS
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#endif /* __CLUTTER_INPUT_DEVICE_H__ */
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