2006-05-29 08:59:36 +00:00
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/*
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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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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _HAVE_CLUTTER_PRIVATE_H
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#define _HAVE_CLUTTER_PRIVATE_H
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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2007-10-12 09:39:41 +00:00
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#ifdef HAVE_UNISTD_H
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2006-05-29 08:59:36 +00:00
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#include <unistd.h>
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2007-10-12 09:39:41 +00:00
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#endif
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2006-05-29 08:59:36 +00:00
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#include <math.h>
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#include <glib.h>
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2008-12-22 13:24:52 +00:00
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#include "pango/cogl-pango.h"
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2007-03-22 18:21:59 +00:00
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#include "clutter-backend.h"
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2009-11-20 15:35:40 +00:00
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#include "clutter-device-manager.h"
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2008-04-04 15:02:11 +00:00
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#include "clutter-event.h"
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2007-05-16 09:08:30 +00:00
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#include "clutter-feature.h"
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2008-03-07 17:34:40 +00:00
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#include "clutter-id-pool.h"
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2009-05-07 18:07:21 +00:00
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#include "clutter-master-clock.h"
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2008-04-04 15:02:11 +00:00
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#include "clutter-stage-manager.h"
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#include "clutter-stage-window.h"
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#include "clutter-stage.h"
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2009-03-21 20:39:32 +00:00
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#include "clutter-timeline.h"
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2007-03-22 18:21:59 +00:00
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2006-07-06 Emmanuele Bassi <ebassi@openedhand.com>
Big rework of the actor management semantics: now ClutterActor
objects behave like GtkObjects - that is they have an initial
"floating" reference that gets "sunk" when they are added to
a ClutterGroup. This makes a group responsible of de-allocating
each actor inside it, so you just have to destroy the group to
get every child actor destroyed. Also, now you can do:
clutter_group_add (group, clutter_video_texture_new ());
without having to care about reference counting and explicit
unreffing.
* clutter/clutter-private.h: Add private flags setter and
getter macros.
* clutter/clutter-actor.h:
* clutter/clutter-actor.c: Clean up; inherit from GInitiallyUnowned;
add a "visible" property; add the "destroy", "show" and "hide"
signals to ClutterActorClass.
(clutter_actor_show), (clutter_actor_hide): Refactor a bit; emit
the "show" and "hide" signals.
(clutter_actor_set_property), (clutter_actor_get_property),
(clutter_actor_class_init): Implement the "visible" property; add
signals.
(clutter_actor_finalize): Do not leak the actor's name, if it is
set.
(clutter_actor_dispose): Emit the "destroy" signal here.
(clutter_actor_init): Sink the initial floating flag if needed.
(clutter_actor_destroy): Add a function to explicitely destroy
a ClutterActor.
(clutter_actor_set_parent), (clutter_actor_get_parent),
(clutter_actor_unparent): Make set_parent require a valid parent;
add unparent; check on get_parent; ref_sink the actor when
setting its parent and unref it when unsetting it. Probably we'll
need a function that does reparenting as unparent+set_parent in
a single shot.
* clutter/clutter-group.h:
* clutter/clutter-group.c (clutter_group_dispose),
(clutter_group_finalize), (clutter_group_add),
(clutter_group_remove): Make the group destroy its children when
disposing it; clean up, and use the newly-available
clutter_actor_unparent().
* clutter/clutter-stage.h:
* clutter/clutter-stage.c (clutter_stage_init): ClutterStage is
a top-level actor; clean up.
* clutter/clutter-video-texture.h:
* clutter/clutter-video-texture.c: Clean up.
* examples/super-oh.c:
* examples/test.c:
* examples/video-player.c:
* examples/test-text.c:
* examples/video-cube.c: Remove the g_object_unref() call, as the
ClutterStage object is destroyed on clutter_main_quit().
2006-07-06 17:52:57 +00:00
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G_BEGIN_DECLS
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2009-11-23 16:07:16 +00:00
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typedef struct _ClutterMainContext ClutterMainContext;
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2009-11-20 15:35:40 +00:00
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2007-08-13 20:48:01 +00:00
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typedef enum {
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2009-07-13 15:16:38 +00:00
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CLUTTER_ACTOR_UNUSED_FLAG = 0,
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2007-08-13 20:48:01 +00:00
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CLUTTER_ACTOR_IN_DESTRUCTION = 1 << 0,
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CLUTTER_ACTOR_IS_TOPLEVEL = 1 << 1,
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CLUTTER_ACTOR_IN_REPARENT = 1 << 2,
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actor: Add internal child flag
ClutterActor checks, when destroying and reparenting, if the parent
actor implements the Container interface, and automatically calls the
remove() method to perform a clean removal.
Actors implementing Container, though, might have internal children;
that is, children that are not added through the Container API. It is
already possible to iterate through them using the Container API to
avoid breaking invariants - but calling clutter_actor_destroy() on
these children (even from the Container implementation, and thus outside
of Clutter's control) will either lead to leaks or to segmentation
faults.
Clutter needs a way to distinguish a clutter_actor_set_parent() done on
an internal child from one done on a "public" child; for this reason, a
push/pop pair of functions should be available to Actor implementations
to mark the section where they wish to add internal children:
➔ clutter_actor_push_internal ();
...
clutter_actor_set_parent (child1, parent);
clutter_actor_set_parent (child2, parent);
...
➔ clutter_actor_pop_internal ();
The set_parent() call will automatically set the newly added
INTERNAL_CHILD private flag on each child, and both
clutter_actor_destroy() and clutter_actor_unparent() will check for the
flag before deciding whether to call the Container's remove method.
2009-12-18 23:20:04 +00:00
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/* Used by the stage to indicate GL viewport / perspective etc needs
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* (re)setting.
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*/
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CLUTTER_ACTOR_SYNC_MATRICES = 1 << 3,
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/* Used to avoid recursion */
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CLUTTER_ACTOR_IN_PAINT = 1 << 4,
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/* Used to avoid recursion */
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CLUTTER_ACTOR_IN_RELAYOUT = 1 << 5,
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/* Used by the stage if resizing is an asynchronous operation (like on
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* X11) to delay queueing relayouts until we got a notification from the
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* event handling
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*/
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CLUTTER_STAGE_IN_RESIZE = 1 << 6,
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/* a flag for internal children of Containers */
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CLUTTER_ACTOR_INTERNAL_CHILD = 1 << 7
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2007-08-13 20:48:01 +00:00
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} ClutterPrivateFlags;
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2008-06-23 09:55:42 +00:00
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struct _ClutterInputDevice
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{
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2009-11-23 16:07:16 +00:00
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GObject parent_instance;
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2009-11-20 15:35:40 +00:00
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gint id;
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2009-06-19 12:07:20 +00:00
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ClutterInputDeviceType device_type;
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2010-01-15 11:37:43 +00:00
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gchar *device_name;
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/* the actor underneath the pointer */
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2010-01-08 17:51:00 +00:00
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ClutterActor *cursor_actor;
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2010-01-15 11:37:43 +00:00
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/* the actor that has a grab in place for the device */
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2008-06-23 09:55:42 +00:00
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ClutterActor *pointer_grab_actor;
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2010-01-15 11:37:43 +00:00
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/* the current click count */
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2009-11-20 15:35:40 +00:00
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gint click_count;
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2009-11-23 16:07:16 +00:00
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2010-01-15 11:37:43 +00:00
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/* the stage the device is on */
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2010-01-08 17:51:00 +00:00
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ClutterStage *stage;
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2009-12-07 23:05:20 +00:00
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2010-01-15 11:37:43 +00:00
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/* the current state */
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2009-12-07 23:05:20 +00:00
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gint current_x;
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gint current_y;
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guint32 current_time;
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gint current_button_number;
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ClutterModifierType current_state;
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2010-01-15 11:37:43 +00:00
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/* the previous state, used for click count generation */
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2010-01-08 17:51:00 +00:00
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gint previous_x;
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gint previous_y;
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2009-11-20 15:35:40 +00:00
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guint32 previous_time;
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gint previous_button_number;
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2009-11-23 16:07:16 +00:00
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ClutterModifierType previous_state;
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2008-06-23 09:55:42 +00:00
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};
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2009-11-20 15:35:40 +00:00
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struct _ClutterStageManager
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{
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GObject parent_instance;
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GSList *stages;
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};
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2006-06-05 Emmanuele Bassi <ebassi@openedhand.com>
* clutter-color.h:
* clutter-color.c: Reimplement ClutterColor as a boxed type;
add convenience API for color handling, like: add, subtract,
shade, HSL color-space conversion, packing and unpacking.
* clutter-private.h: Update ClutterMainContext, and export the
main context pointer here.
* clutter-rectangle.h:
* clutter-rectangle.c: Update the color-related code; make
clutter_rectangle_new() and empty constructor and provide
clutter_rectangle_new_with_color(); provide color setter
and getter API.
* clutter-label.h:
* clutter-label.c: Rename the "font" property to "font-name";
update the color-related code to the new ClutterColor object;
rename clutter_label_new() to clutter_label_new_with_text(),
and add setters and getters for the properties.
* clutter-marshal.list: Add VOID:OBJECT and VOID:BOXED marshallers
generators.
* clutter-stage.h:
* clutter-stage.c: Rework the API: provide a default constructor
for a singleton object, named clutter_stage_get_default(), which
supercedes the clutter_stage() function in clutter-main; provide
new events: button-press-event, button-release-event,
key-press-event and key-release-event; update the color-related
code;
(clutter_stage_snapshot): Allow negative width and height when
taking a snapshot (meaning: use full width/height).
(clutter_stage_get_element_at_pos): Rename clutter_stage_pick().
* clutter-element.c (clutter_element_paint): Clean up the
stage and color related code.
* clutter-event.h:
* clutter-event.c: Add generic ClutterAnyEvent type; add
clutter_event_new(), clutter_event_copy() and clutter_event_free();
make ClutterEvent a boxed type.
* clutter-main.h:
* clutter-main.c: Remove clutter_stage(); add clutter_main_quit(),
for cleanly quitting from clutter_main(); add multiple mainloops
support; allocate the ClutterCntx instead of adding it to the
stack; re-work the ClutterEvent dispatching.
* clutter-group.c (clutter_group_add), (clutter_group_remove): Keep
a reference on the element when added to a ClutterGroup.
* examples/rects.py
* examples/test.c:
* examples/test-text.c:
* examples/video-cube.c:
* examples/super-oh.c:
* examples/test-video.c: Update.
2006-06-05 13:38:31 +00:00
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struct _ClutterMainContext
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2006-05-29 08:59:36 +00:00
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{
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2007-11-15 17:08:48 +00:00
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ClutterBackend *backend; /* holds a pointer to the windowing
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system backend */
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GQueue *events_queue; /* the main event queue */
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2008-09-23 07:03:35 +00:00
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2007-10-08 16:18:33 +00:00
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guint is_initialized : 1;
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2008-09-23 07:03:35 +00:00
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guint motion_events_per_actor : 1;/* set for enter/leave events */
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guint defer_display_setup : 1;
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guint options_parsed : 1;
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2007-06-07 23:51:53 +00:00
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GTimer *timer; /* Used for debugging scheduler */
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2007-08-13 20:48:01 +00:00
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ClutterPickMode pick_mode; /* Indicates pick render mode */
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2008-03-28 22:50:55 +00:00
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2007-08-13 20:48:01 +00:00
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gint num_reactives; /* Num of reactive actors */
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2007-10-08 16:18:33 +00:00
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2008-03-28 22:50:55 +00:00
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ClutterIDPool *id_pool; /* mapping between reused integer ids
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* and actors
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*/
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2007-10-16 13:41:34 +00:00
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guint frame_rate; /* Default FPS */
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2007-11-15 17:08:48 +00:00
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ClutterActor *pointer_grab_actor; /* The actor having the pointer grab
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2008-03-28 22:50:55 +00:00
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* (or NULL if there is no pointer grab
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2007-11-15 17:08:48 +00:00
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*/
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2007-11-15 18:00:24 +00:00
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ClutterActor *keyboard_grab_actor; /* The actor having the pointer grab
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2008-03-28 22:50:55 +00:00
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* (or NULL if there is no pointer
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* grab)
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*/
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2007-12-03 16:29:18 +00:00
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GSList *shaders; /* stack of overridden shaders */
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2007-12-18 10:49:29 +00:00
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ClutterActor *motion_last_actor;
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2008-05-13 23:02:45 +00:00
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/* fb bit masks for col<->id mapping in picking */
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gint fb_r_mask, fb_g_mask, fb_b_mask;
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gint fb_r_mask_used, fb_g_mask_used, fb_b_mask_used;
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2008-12-23 14:27:41 +00:00
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PangoContext *pango_context; /* Global Pango context */
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CoglPangoFontMap *font_map; /* Global font map */
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2008-06-23 09:55:42 +00:00
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2009-11-12 22:33:15 +00:00
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ClutterEvent *current_event;
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2009-02-14 11:38:16 +00:00
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guint32 last_event_time;
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2009-03-21 20:39:32 +00:00
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gulong redraw_count;
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2009-03-30 12:49:03 +00:00
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GList *repaint_funcs;
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2006-06-05 Emmanuele Bassi <ebassi@openedhand.com>
* clutter-color.h:
* clutter-color.c: Reimplement ClutterColor as a boxed type;
add convenience API for color handling, like: add, subtract,
shade, HSL color-space conversion, packing and unpacking.
* clutter-private.h: Update ClutterMainContext, and export the
main context pointer here.
* clutter-rectangle.h:
* clutter-rectangle.c: Update the color-related code; make
clutter_rectangle_new() and empty constructor and provide
clutter_rectangle_new_with_color(); provide color setter
and getter API.
* clutter-label.h:
* clutter-label.c: Rename the "font" property to "font-name";
update the color-related code to the new ClutterColor object;
rename clutter_label_new() to clutter_label_new_with_text(),
and add setters and getters for the properties.
* clutter-marshal.list: Add VOID:OBJECT and VOID:BOXED marshallers
generators.
* clutter-stage.h:
* clutter-stage.c: Rework the API: provide a default constructor
for a singleton object, named clutter_stage_get_default(), which
supercedes the clutter_stage() function in clutter-main; provide
new events: button-press-event, button-release-event,
key-press-event and key-release-event; update the color-related
code;
(clutter_stage_snapshot): Allow negative width and height when
taking a snapshot (meaning: use full width/height).
(clutter_stage_get_element_at_pos): Rename clutter_stage_pick().
* clutter-element.c (clutter_element_paint): Clean up the
stage and color related code.
* clutter-event.h:
* clutter-event.c: Add generic ClutterAnyEvent type; add
clutter_event_new(), clutter_event_copy() and clutter_event_free();
make ClutterEvent a boxed type.
* clutter-main.h:
* clutter-main.c: Remove clutter_stage(); add clutter_main_quit(),
for cleanly quitting from clutter_main(); add multiple mainloops
support; allocate the ClutterCntx instead of adding it to the
stack; re-work the ClutterEvent dispatching.
* clutter-group.c (clutter_group_add), (clutter_group_remove): Keep
a reference on the element when added to a ClutterGroup.
* examples/rects.py
* examples/test.c:
* examples/test-text.c:
* examples/video-cube.c:
* examples/super-oh.c:
* examples/test-video.c: Update.
2006-06-05 13:38:31 +00:00
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};
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2009-06-17 16:59:54 +00:00
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#define CLUTTER_CONTEXT() (_clutter_context_get_default ())
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ClutterMainContext *_clutter_context_get_default (void);
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2009-06-19 13:09:42 +00:00
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gboolean _clutter_context_is_initialized (void);
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2008-06-13 09:10:39 +00:00
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PangoContext *_clutter_context_create_pango_context (ClutterMainContext *self);
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2009-01-05 15:27:33 +00:00
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PangoContext *_clutter_context_get_pango_context (ClutterMainContext *self);
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2006-05-29 08:59:36 +00:00
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2007-11-23 11:20:14 +00:00
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#define CLUTTER_PRIVATE_FLAGS(a) (((ClutterActor *) (a))->private_flags)
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#define CLUTTER_SET_PRIVATE_FLAGS(a,f) (CLUTTER_PRIVATE_FLAGS (a) |= (f))
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#define CLUTTER_UNSET_PRIVATE_FLAGS(a,f) (CLUTTER_PRIVATE_FLAGS (a) &= ~(f))
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2006-07-06 Emmanuele Bassi <ebassi@openedhand.com>
Big rework of the actor management semantics: now ClutterActor
objects behave like GtkObjects - that is they have an initial
"floating" reference that gets "sunk" when they are added to
a ClutterGroup. This makes a group responsible of de-allocating
each actor inside it, so you just have to destroy the group to
get every child actor destroyed. Also, now you can do:
clutter_group_add (group, clutter_video_texture_new ());
without having to care about reference counting and explicit
unreffing.
* clutter/clutter-private.h: Add private flags setter and
getter macros.
* clutter/clutter-actor.h:
* clutter/clutter-actor.c: Clean up; inherit from GInitiallyUnowned;
add a "visible" property; add the "destroy", "show" and "hide"
signals to ClutterActorClass.
(clutter_actor_show), (clutter_actor_hide): Refactor a bit; emit
the "show" and "hide" signals.
(clutter_actor_set_property), (clutter_actor_get_property),
(clutter_actor_class_init): Implement the "visible" property; add
signals.
(clutter_actor_finalize): Do not leak the actor's name, if it is
set.
(clutter_actor_dispose): Emit the "destroy" signal here.
(clutter_actor_init): Sink the initial floating flag if needed.
(clutter_actor_destroy): Add a function to explicitely destroy
a ClutterActor.
(clutter_actor_set_parent), (clutter_actor_get_parent),
(clutter_actor_unparent): Make set_parent require a valid parent;
add unparent; check on get_parent; ref_sink the actor when
setting its parent and unref it when unsetting it. Probably we'll
need a function that does reparenting as unparent+set_parent in
a single shot.
* clutter/clutter-group.h:
* clutter/clutter-group.c (clutter_group_dispose),
(clutter_group_finalize), (clutter_group_add),
(clutter_group_remove): Make the group destroy its children when
disposing it; clean up, and use the newly-available
clutter_actor_unparent().
* clutter/clutter-stage.h:
* clutter/clutter-stage.c (clutter_stage_init): ClutterStage is
a top-level actor; clean up.
* clutter/clutter-video-texture.h:
* clutter/clutter-video-texture.c: Clean up.
* examples/super-oh.c:
* examples/test.c:
* examples/video-player.c:
* examples/test-text.c:
* examples/video-cube.c: Remove the g_object_unref() call, as the
ClutterStage object is destroyed on clutter_main_quit().
2006-07-06 17:52:57 +00:00
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2006-12-04 16:26:35 +00:00
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#define CLUTTER_PARAM_READABLE \
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G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB
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#define CLUTTER_PARAM_WRITABLE \
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G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB
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#define CLUTTER_PARAM_READWRITE \
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G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK |G_PARAM_STATIC_BLURB
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2007-12-10 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-actor.c:
(clutter_actor_set_property),
(clutter_actor_get_property),
(clutter_actor_class_init): Add the rotation-* properties,
controlling the rotation angle and center on each axis. (#614)
(parse_rotation_array), (parse_rotation),
(clutter_actor_parse_custom_node),
(clutter_actor_set_custom_property),
(clutter_scriptable_iface_init): Add a new "rotation" custom
property for expressing the rotation along each axis in a
compact way:
"rotation" : [
{ "x-axis" : [ <angle>, [ <y>, <z> ] ] },
{ "y-axis" : [ <angle>, [ <x>, <z> ] ] },
{ "z-axis" : [ <angle>, [ <x>, <y> ] ] }
]
(clutter_geometry_get_type),(clutter_vertex_get_type),
(clutter_actor_box_get_type): Use the I_() macro instead of
directly calling g_intern_static_string().
* clutter/clutter-entry.c (clutter_entry_request_coords):
* clutter/clutter-label.c (clutter_label_ensure_layout),
(clutter_label_request_coords): Use CLUTTER_UNITS_FROM_DEVICE()
instead of CLUTTER_UNITS_FROM_INT(), as "device" means "pixels".
* clutter/clutter-private.h: Add the I_() macro for intern
static strings.
* tests/test-script.json: Test the newly added "rotation"
custom property.
2007-12-10 11:01:10 +00:00
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#define I_(str) (g_intern_static_string ((str)))
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2009-11-20 15:35:40 +00:00
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/* device manager */
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2010-01-08 17:51:00 +00:00
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void _clutter_device_manager_add_device (ClutterDeviceManager *device_manager,
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ClutterInputDevice *device);
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void _clutter_device_manager_remove_device (ClutterDeviceManager *device_manager,
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ClutterInputDevice *device);
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void _clutter_device_manager_update_devices (ClutterDeviceManager *device_manager);
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2008-03-28 22:50:55 +00:00
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2009-11-23 16:07:16 +00:00
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/* input device */
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2010-01-08 17:51:00 +00:00
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void _clutter_input_device_set_coords (ClutterInputDevice *device,
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gint x,
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gint y);
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void _clutter_input_device_set_state (ClutterInputDevice *device,
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ClutterModifierType state);
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void _clutter_input_device_set_time (ClutterInputDevice *device,
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guint32 time_);
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void _clutter_input_device_set_stage (ClutterInputDevice *device,
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ClutterStage *stage);
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void _clutter_input_device_set_actor (ClutterInputDevice *device,
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ClutterActor *actor);
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ClutterActor *_clutter_input_device_update (ClutterInputDevice *device);
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2009-11-23 16:07:16 +00:00
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2009-11-20 15:35:40 +00:00
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/* stage manager */
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2008-03-28 22:50:55 +00:00
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void _clutter_stage_manager_add_stage (ClutterStageManager *stage_manager,
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ClutterStage *stage);
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void _clutter_stage_manager_remove_stage (ClutterStageManager *stage_manager,
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ClutterStage *stage);
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2008-04-04 15:02:11 +00:00
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/* stage */
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2008-06-10 Emmanuele Bassi <ebassi@openedhand.com>
Bug #815 - Split up request, allocation, and paint box
* clutter/clutter-actor.[ch]: Rework the size allocation,
request and paint area. Now ::request_coords() is called
::allocate(), and ::query_coords() has been split into
::get_preferred_width() and ::get_preferred_height(). See
the documentation and the layout test on how to implement
a container and layout manager with the new API. (#915,
based on a patch by Havoc Pennington, Lucas Rocha and Johan
Bilien)
* clutter/clutter-clone-texture.c: Port CloneTexture to
the new size negotiation API; it just means forwarding
the requests to the parent texture.
* clutter/clutter-deprecated.h: Add deprecated and replaced
API.
* clutter/clutter-entry.c: Port Entry to the new size
negotiation API.
* clutter/clutter-group.c: Port Group to the new size
negotiation API; the semantics of the Group actor do not
change.
* clutter/clutter-label.c: Port Label to the new size
negotiation API, and vastly simplify the code.
* clutter/clutter-main.[ch]: Add API for executing a
relayout when needed.
* clutter/clutter-private.h: Add new Stage private API.
* clutter/clutter-rectangle.c: Update the get_abs_opacity()
call to get_paint_opacity().
* clutter/clutter-stage.c:
(clutter_stage_get_preferred_width),
(clutter_stage_get_preferred_height),
(clutter_stage_allocate),
(clutter_stage_class_init): Port Stage to the new size
negotiation API.
* clutter/clutter-texture.c: Port Texture to the new size
negotiation API.
* clutter/clutter-types.h: Add ClutterRequestMode enumeration.
* clutter/x11/clutter-stage-x11.c: Port the X11 stage
implementation to the new size negotiation API.
* tests/Makefile.am: Add the layout manager test case.
* tests/test-opacity.c: Update.
* tests/test-project.c: Update.
* tests/test-layout.c: Test case for a layout manager implemented
using the new size negotiation API; the layout manager handles
both transformed and untransformed children.
2008-06-10 17:07:52 +00:00
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void _clutter_stage_set_window (ClutterStage *stage,
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ClutterStageWindow *stage_window);
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ClutterStageWindow *_clutter_stage_get_window (ClutterStage *stage);
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ClutterStageWindow *_clutter_stage_get_default_window (void);
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void _clutter_stage_maybe_setup_viewport (ClutterStage *stage);
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void _clutter_stage_maybe_relayout (ClutterActor *stage);
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2009-06-06 22:22:51 +00:00
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gboolean _clutter_stage_needs_update (ClutterStage *stage);
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2009-06-10 14:50:27 +00:00
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gboolean _clutter_stage_do_update (ClutterStage *stage);
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2008-03-28 22:50:55 +00:00
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2009-06-06 23:10:41 +00:00
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void _clutter_stage_queue_event (ClutterStage *stage,
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ClutterEvent *event);
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gboolean _clutter_stage_has_queued_events (ClutterStage *stage);
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void _clutter_stage_process_queued_events (ClutterStage *stage);
|
2010-01-08 17:51:00 +00:00
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void _clutter_stage_update_input_devices (ClutterStage *stage);
|
2009-06-06 23:10:41 +00:00
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2009-11-12 20:37:01 +00:00
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int _clutter_stage_get_pending_swaps (ClutterStage *stage);
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2008-04-04 15:02:11 +00:00
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/* vfuncs implemented by backend */
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GType _clutter_backend_impl_get_type (void);
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2007-05-28 18:49:34 +00:00
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2008-04-04 15:02:11 +00:00
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void _clutter_backend_redraw (ClutterBackend *backend,
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ClutterStage *stage);
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2009-08-13 11:34:07 +00:00
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ClutterStageWindow *_clutter_backend_create_stage (ClutterBackend *backend,
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2008-04-04 15:02:11 +00:00
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ClutterStage *wrapper,
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GError **error);
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void _clutter_backend_ensure_context (ClutterBackend *backend,
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ClutterStage *stage);
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2009-11-11 13:26:54 +00:00
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void _clutter_backend_ensure_context_internal
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(ClutterBackend *backend,
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ClutterStage *stage);
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2009-05-13 21:21:48 +00:00
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gboolean _clutter_backend_create_context (ClutterBackend *backend,
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GError **error);
|
2007-03-23 17:55:13 +00:00
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2008-04-04 15:02:11 +00:00
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void _clutter_backend_add_options (ClutterBackend *backend,
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GOptionGroup *group);
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gboolean _clutter_backend_pre_parse (ClutterBackend *backend,
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GError **error);
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gboolean _clutter_backend_post_parse (ClutterBackend *backend,
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GError **error);
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void _clutter_backend_init_events (ClutterBackend *backend);
|
2008-03-28 22:50:55 +00:00
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2007-05-16 09:08:30 +00:00
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ClutterFeatureFlags _clutter_backend_get_features (ClutterBackend *backend);
|
2007-03-23 17:55:13 +00:00
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2009-05-07 13:16:01 +00:00
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gfloat _clutter_backend_get_units_per_em (ClutterBackend *backend,
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PangoFontDescription *font_desc);
|
2009-01-22 11:37:52 +00:00
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2007-05-16 09:08:30 +00:00
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void _clutter_feature_init (void);
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2009-06-06 23:10:41 +00:00
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/* Reinjecting queued events for processing */
|
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void _clutter_process_event (ClutterEvent *event);
|
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|
2008-05-13 23:02:45 +00:00
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|
|
/* Picking code */
|
Remove Units from the public API
With the recent change to internal floating point values, ClutterUnit
has become a redundant type, defined to be a float. All integer entry
points are being internally converted to floating point values to be
passed to the GL pipeline with the least amount of conversion.
ClutterUnit is thus exposed as just a "pixel with fractionary bits",
and not -- as users might think -- as generic, resolution and device
independent units. not that it was the case, but a definitive amount
of people was convinced it did provide this "feature", and was flummoxed
about the mere existence of this type.
So, having ClutterUnit exposed in the public API doubles the entry
points and has the following disadvantages:
- we have to maintain twice the amount of entry points in ClutterActor
- we still do an integer-to-float implicit conversion
- we introduce a weird impedance between pixels and "pixels with
fractionary bits"
- language bindings will have to choose what to bind, and resort
to manually overriding the API
+ *except* for language bindings based on GObject-Introspection, as
they cannot do manual overrides, thus will replicate the entire
set of entry points
For these reason, we should coalesces every Actor entry point for
pixels and for ClutterUnit into a single entry point taking a float,
like:
void clutter_actor_set_x (ClutterActor *self,
gfloat x);
void clutter_actor_get_size (ClutterActor *self,
gfloat *width,
gfloat *height);
gfloat clutter_actor_get_height (ClutterActor *self);
etc.
The issues I have identified are:
- we'll have a two cases of compiler warnings:
- printf() format of the return values from %d to %f
- clutter_actor_get_size() taking floats instead of unsigned ints
- we'll have a problem with varargs when passing an integer instead
of a floating point value, except on 64bit platforms where the
size of a float is the same as the size of an int
To be clear: the *intent* of the API should not change -- we still use
pixels everywhere -- but:
- we remove ambiguity in the API with regard to pixels and units
- we remove entry points we get to maintain for the whole 1.0
version of the API
- we make things simpler to bind for both manual language bindings
and automatic (gobject-introspection based) ones
- we have the simplest API possible while still exposing the
capabilities of the underlying GL implementation
2009-05-06 15:44:47 +00:00
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ClutterActor *_clutter_do_pick (ClutterStage *stage,
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|
gint x,
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|
gint y,
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|
ClutterPickMode mode);
|
2007-08-13 20:48:01 +00:00
|
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|
2009-06-05 16:55:24 +00:00
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|
/* the actual redraw */
|
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|
void _clutter_do_redraw (ClutterStage *stage);
|
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|
2008-05-13 23:02:45 +00:00
|
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|
guint _clutter_pixel_to_id (guchar pixel[4]);
|
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|
void _clutter_id_to_color (guint id, ClutterColor *col);
|
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|
2007-10-02 14:03:36 +00:00
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|
/* use this function as the accumulator if you have a signal with
|
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|
* a G_TYPE_BOOLEAN return value; this will stop the emission as
|
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|
* soon as one handler returns TRUE
|
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|
*/
|
2008-04-04 15:02:11 +00:00
|
|
|
gboolean _clutter_boolean_handled_accumulator (GSignalInvocationHint *ihint,
|
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|
|
GValue *return_accu,
|
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|
const GValue *handler_return,
|
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|
gpointer dummy);
|
2007-10-02 14:03:36 +00:00
|
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|
2008-08-01 12:23:57 +00:00
|
|
|
void _clutter_actor_apply_modelview_transform_recursive (ClutterActor *self,
|
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|
|
ClutterActor *ancestor);
|
|
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|
|
Enforce invariants on mapped, realized, visibility states
Bug 1138 - No trackable "mapped" state
* Add a VISIBLE flag tracking application programmer's
expected showing-state for the actor, allowing us to
always ensure we keep what the app wants while tracking
internal implementation state separately.
* Make MAPPED reflect whether the actor will be painted;
add notification on a ClutterActor::mapped property.
Keep MAPPED state updated as the actor is shown,
ancestors are shown, actor is reparented, etc.
* Require a stage and realized parents to realize; this means
at realization time the correct window system and GL resources
are known. But unparented actors can no longer be realized.
* Allow children to be unrealized even if parent is realized.
Otherwise in effect either all actors or no actors are realized,
i.e. it becomes a stage-global flag.
* Allow clutter_actor_realize() to "fail" if not inside a toplevel
* Rework clutter_actor_unrealize() so internally we have
a flavor that does not mess with visibility flag
* Add _clutter_actor_rerealize() to encapsulate a somewhat
tricky operation we were doing in a couple of places
* Do not realize/unrealize children in ClutterGroup,
ClutterActor already does it
* Do not realize impl by hand in clutter_stage_show(),
since showing impl already does that
* Do not unrealize in various dispose() methods, since
ClutterActor dispose implementation already does it
and chaining up is mandatory
* ClutterTexture uses COGL while unrealizable (before it's
added to a stage). Previously this breakage was affecting
ClutterActor because we had to allow realize outside
a stage. Move the breakage to ClutterTexture, by making
ClutterTexture just use COGL while not realized.
* Unrealize before we set parent to NULL in clutter_actor_unparent().
This means unrealize() implementations can get to the stage.
Because actors need the stage in order to detach from stage.
* Update clutter-actor-invariants.txt to reflect latest changes
* Remove explicit hide/unrealize from ClutterActor::dispose since
unparent already forces those
Instead just assert that unparent() occurred and did the right thing.
* Check whether parent implements unrealize before chaining up
Needed because ClutterGroup no longer has to implement unrealize.
* Perform unrealize in the default handler for the signal.
This allows non-containers that have children to work properly,
and allows containers to override how it's done.
* Add map/unmap virtual methods and set MAPPED flag on self and
children in there. This allows subclasses to hook map/unmap.
These are not signals, because notify::mapped is better for
anything it's legitimate for a non-subclass to do.
Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
2009-04-02 13:16:43 +00:00
|
|
|
void _clutter_actor_rerealize (ClutterActor *self,
|
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|
|
ClutterCallback callback,
|
|
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|
|
void *data);
|
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|
|
2009-01-17 16:51:03 +00:00
|
|
|
void _clutter_actor_set_opacity_parent (ClutterActor *self,
|
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|
|
ClutterActor *parent);
|
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|
void _clutter_actor_set_enable_model_view_transform (ClutterActor *self,
|
|
|
|
|
gboolean enable);
|
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|
|
2009-05-01 11:33:42 +00:00
|
|
|
void _clutter_actor_set_enable_paint_unmapped (ClutterActor *self,
|
|
|
|
|
gboolean enable);
|
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|
|
2009-11-24 12:53:57 +00:00
|
|
|
void _clutter_actor_set_has_pointer (ClutterActor *self,
|
|
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|
|
gboolean has_pointer);
|
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|
2009-03-30 12:49:03 +00:00
|
|
|
void _clutter_run_repaint_functions (void);
|
|
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|
2009-10-16 14:25:37 +00:00
|
|
|
gint32 _clutter_backend_get_units_serial (ClutterBackend *backend);
|
|
|
|
|
|
2006-07-06 Emmanuele Bassi <ebassi@openedhand.com>
Big rework of the actor management semantics: now ClutterActor
objects behave like GtkObjects - that is they have an initial
"floating" reference that gets "sunk" when they are added to
a ClutterGroup. This makes a group responsible of de-allocating
each actor inside it, so you just have to destroy the group to
get every child actor destroyed. Also, now you can do:
clutter_group_add (group, clutter_video_texture_new ());
without having to care about reference counting and explicit
unreffing.
* clutter/clutter-private.h: Add private flags setter and
getter macros.
* clutter/clutter-actor.h:
* clutter/clutter-actor.c: Clean up; inherit from GInitiallyUnowned;
add a "visible" property; add the "destroy", "show" and "hide"
signals to ClutterActorClass.
(clutter_actor_show), (clutter_actor_hide): Refactor a bit; emit
the "show" and "hide" signals.
(clutter_actor_set_property), (clutter_actor_get_property),
(clutter_actor_class_init): Implement the "visible" property; add
signals.
(clutter_actor_finalize): Do not leak the actor's name, if it is
set.
(clutter_actor_dispose): Emit the "destroy" signal here.
(clutter_actor_init): Sink the initial floating flag if needed.
(clutter_actor_destroy): Add a function to explicitely destroy
a ClutterActor.
(clutter_actor_set_parent), (clutter_actor_get_parent),
(clutter_actor_unparent): Make set_parent require a valid parent;
add unparent; check on get_parent; ref_sink the actor when
setting its parent and unref it when unsetting it. Probably we'll
need a function that does reparenting as unparent+set_parent in
a single shot.
* clutter/clutter-group.h:
* clutter/clutter-group.c (clutter_group_dispose),
(clutter_group_finalize), (clutter_group_add),
(clutter_group_remove): Make the group destroy its children when
disposing it; clean up, and use the newly-available
clutter_actor_unparent().
* clutter/clutter-stage.h:
* clutter/clutter-stage.c (clutter_stage_init): ClutterStage is
a top-level actor; clean up.
* clutter/clutter-video-texture.h:
* clutter/clutter-video-texture.c: Clean up.
* examples/super-oh.c:
* examples/test.c:
* examples/video-player.c:
* examples/test-text.c:
* examples/video-cube.c: Remove the g_object_unref() call, as the
ClutterStage object is destroyed on clutter_main_quit().
2006-07-06 17:52:57 +00:00
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G_END_DECLS
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2007-03-22 18:21:59 +00:00
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#endif /* _HAVE_CLUTTER_PRIVATE_H */
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