author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:30:33 +0300 | |
branch | RCL_3 |
changeset 29 | 567bb019e3e3 |
parent 0 | 0e761a78d257 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* GStreamer Navigation |
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> |
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* Copyright (C) 2007-2009 Jan Schmidt <thaytan@noraisin.net> |
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* |
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* navigation.c: navigation event virtual class function wrappers |
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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 Library 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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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library 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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|
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/** |
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* SECTION:gstnavigation |
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* @short_description: Interface for creating, sending and parsing navigation |
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* events. |
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* |
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* The Navigation interface is used for creating and injecting navigation related |
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* events such as mouse button presses, cursor motion and key presses. The associated |
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* library also provides methods for parsing received events, and for sending and |
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* receiving navigation related bus events. One main usecase is DVD menu navigation. |
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* |
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* The main parts of the API are: |
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* <itemizedlist> |
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* <listitem> |
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* <para> |
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* The GstNavigation interface, implemented by elements which provide an application |
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* with the ability to create and inject navigation events into the pipeline. |
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* </para> |
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* </listitem> |
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* <listitem> |
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* <para> |
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* GstNavigation event handling API. GstNavigation events are created in response to |
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* calls on a GstNavigation interface implementation, and sent in the pipeline. Upstream |
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* elements can use the navigation event API functions to parse the contents of received |
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* messages. |
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* </para> |
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* </listitem> |
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* <listitem> |
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* <para> |
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* GstNavigation message handling API. GstNavigation messages may be sent on the message |
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* bus to inform applications of navigation related changes in the pipeline, such as the |
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* mouse moving over a clickable region, or the set of available angles changing. |
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* </para><para> |
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* The GstNavigation message functions provide functions for creating and parsing |
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* custom bus messages for signalling GstNavigation changes. |
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* </para> |
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* </listitem> |
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* </itemizedlist> |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <gst/interfaces/navigation.h> |
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#include <gst/interfaces/interfaces-enumtypes.h> |
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static void gst_navigation_class_init (GstNavigationInterface * iface); |
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#define GST_NAVIGATION_MESSAGE_NAME "GstNavigationMessage" |
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#define GST_NAVIGATION_QUERY_NAME "GstNavigationQuery" |
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#define GST_NAVIGATION_EVENT_NAME "application/x-gst-navigation" |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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GType |
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gst_navigation_get_type (void) |
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{ |
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static GType gst_navigation_type = 0; |
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if (!gst_navigation_type) { |
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static const GTypeInfo gst_navigation_info = { |
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sizeof (GstNavigationInterface), |
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(GBaseInitFunc) gst_navigation_class_init, |
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NULL, |
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NULL, |
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NULL, |
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NULL, |
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0, |
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0, |
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NULL, |
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}; |
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gst_navigation_type = g_type_register_static (G_TYPE_INTERFACE, |
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"GstNavigation", &gst_navigation_info, 0); |
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} |
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return gst_navigation_type; |
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} |
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|
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static void |
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gst_navigation_class_init (GstNavigationInterface * iface) |
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106 |
{ |
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/* default virtual functions */ |
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iface->send_event = NULL; |
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} |
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110 |
|
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/* The interface implementer should make sure that the object can handle |
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* the event. */ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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void |
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gst_navigation_send_event (GstNavigation * navigation, GstStructure * structure) |
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119 |
{ |
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GstNavigationInterface *iface = GST_NAVIGATION_GET_IFACE (navigation); |
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121 |
|
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if (iface->send_event) { |
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iface->send_event (navigation, structure); |
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} |
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} |
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|
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/** |
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* gst_navigation_send_mouse_event: |
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* @navigation: The navigation interface instance |
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* @event: The type of the key event. Recognised values are "key-press" and |
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* "key-release" |
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* @key: Character representation of the key. This is typically as produced |
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* by XKeysymToString. |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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139 |
void |
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gst_navigation_send_key_event (GstNavigation * navigation, const char *event, |
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const char *key) |
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{ |
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gst_navigation_send_event (navigation, |
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gst_structure_new (GST_NAVIGATION_EVENT_NAME, "event", G_TYPE_STRING, |
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event, "key", G_TYPE_STRING, key, NULL)); |
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} |
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|
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/** |
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* gst_navigation_send_mouse_event: |
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* @navigation: The navigation interface instance |
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* @event: The type of mouse event, as a text string. Recognised values are |
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* "mouse-button-press", "mouse-button-release" and "mouse-move". |
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* @button: The button number of the button being pressed or released. Pass 0 |
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* for mouse-move events. |
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* @x: The x coordinate of the mouse event. |
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* @y: The y coordinate of the mouse event. |
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* |
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* Sends a mouse event to the navigation interface. Mouse event coordinates |
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* are sent relative to the display space of the related output area. This is |
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* usually the size in pixels of the window associated with the element |
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* implementing the #GstNavigation interface. |
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* |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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void |
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gst_navigation_send_mouse_event (GstNavigation * navigation, const char *event, |
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int button, double x, double y) |
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{ |
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gst_navigation_send_event (navigation, |
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gst_structure_new (GST_NAVIGATION_EVENT_NAME, "event", G_TYPE_STRING, |
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event, "button", G_TYPE_INT, button, "pointer_x", G_TYPE_DOUBLE, x, |
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"pointer_y", G_TYPE_DOUBLE, y, NULL)); |
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} |
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|
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/** |
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* gst_navigation_send_command: |
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* @navigation: The navigation interface instance |
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* @command: The command to issue |
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* |
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* Sends the indicated command to the navigation interface. |
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* |
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* Since: 0.10.23 |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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void |
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gst_navigation_send_command (GstNavigation * navigation, |
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GstNavigationCommand command) |
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{ |
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gst_navigation_send_event (navigation, |
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gst_structure_new (GST_NAVIGATION_EVENT_NAME, "event", G_TYPE_STRING, |
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"command", "command-code", G_TYPE_UINT, (guint) command, NULL)); |
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} |
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|
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/* Navigation Queries */ |
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|
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#define GST_NAVIGATION_QUERY_HAS_TYPE(query,query_type) \ |
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(gst_navigation_query_get_type (query) == GST_NAVIGATION_QUERY_ ## query_type) |
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/** |
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* gst_navigation_query_get_type: |
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* @query: The query to inspect |
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* |
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* Inspect a #GstQuery and return the #GstNavigationQueryType associated with |
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* it if it is a #GstNavigation query. |
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* |
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* Returns: The #GstNavigationQueryType of the query, or |
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* #GST_NAVIGATION_QUERY_INVALID |
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* Since: 0.10.23 |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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GstNavigationQueryType |
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gst_navigation_query_get_type (GstQuery * query) |
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{ |
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const GstStructure *s; |
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const gchar *q_type; |
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if (query == NULL || GST_QUERY_TYPE (query) != GST_QUERY_CUSTOM) |
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return GST_NAVIGATION_QUERY_INVALID; |
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s = gst_query_get_structure (query); |
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if (s == NULL || !gst_structure_has_name (s, GST_NAVIGATION_QUERY_NAME)) |
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return GST_NAVIGATION_QUERY_INVALID; |
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|
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q_type = gst_structure_get_string (s, "type"); |
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if (q_type == NULL) |
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return GST_NAVIGATION_QUERY_INVALID; |
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|
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if (g_str_equal (q_type, "commands")) |
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return GST_NAVIGATION_QUERY_COMMANDS; |
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else if (g_str_equal (q_type, "angles")) |
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return GST_NAVIGATION_QUERY_ANGLES; |
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|
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return GST_NAVIGATION_QUERY_INVALID; |
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} |
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|
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/** |
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* gst_navigation_query_new_commands: |
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* |
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* Create a new #GstNavigation commands query. When executed, it will |
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* query the pipeline for the set of currently available commands. |
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* |
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* Returns: The new query. |
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* Since: 0.10.23 |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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GstQuery * |
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gst_navigation_query_new_commands (void) |
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{ |
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GstQuery *query; |
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GstStructure *structure; |
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|
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structure = gst_structure_new (GST_NAVIGATION_QUERY_NAME, |
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"type", G_TYPE_STRING, "commands", NULL); |
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query = gst_query_new_application (GST_QUERY_CUSTOM, structure); |
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|
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return query; |
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} |
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static void |
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gst_query_list_add_command (GValue * list, GstNavigationCommand val) |
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{ |
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GValue item = { 0, }; |
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|
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g_value_init (&item, GST_TYPE_NAVIGATION_COMMAND); |
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g_value_set_enum (&item, val); |
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gst_value_list_append_value (list, &item); |
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g_value_unset (&item); |
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} |
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|
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/** |
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* gst_navigation_query_set_commands: |
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* @query: a #GstQuery |
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* @n_cmds: the number of commands to set. |
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* @...: A list of @GstNavigationCommand values, @n_cmds entries long. |
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* |
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* Set the #GstNavigation command query result fields in @query. The number |
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* of commands passed must be equal to @n_commands. |
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* |
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* Since: 0.10.23 |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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void |
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gst_navigation_query_set_commands (GstQuery * query, gint n_cmds, ...) |
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{ |
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va_list ap; |
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GValue list = { 0, }; |
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GstStructure *structure; |
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gint i; |
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g_return_if_fail (GST_NAVIGATION_QUERY_HAS_TYPE (query, COMMANDS)); |
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306 |
|
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g_value_init (&list, GST_TYPE_LIST); |
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308 |
|
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va_start (ap, n_cmds); |
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for (i = 0; i < n_cmds; i++) { |
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GstNavigationCommand val = va_arg (ap, GstNavigationCommand); |
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gst_query_list_add_command (&list, val); |
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} |
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va_end (ap); |
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315 |
|
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structure = gst_query_get_structure (query); |
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gst_structure_set_value (structure, "commands", &list); |
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318 |
|
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g_value_unset (&list); |
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320 |
} |
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321 |
|
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322 |
/** |
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* gst_navigation_query_set_commandsv: |
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* @query: a #GstQuery |
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* @n_cmds: the number of commands to set. |
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* @cmds: An array containing @n_cmds @GstNavigationCommand values. |
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327 |
* |
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* Set the #GstNavigation command query result fields in @query. The number |
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* of commands passed must be equal to @n_commands. |
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330 |
* |
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* Since: 0.10.23 |
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*/ |
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#ifdef __SYMBIAN32__ |
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334 |
EXPORT_C |
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#endif |
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336 |
|
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337 |
void |
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gst_navigation_query_set_commandsv (GstQuery * query, gint n_cmds, |
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GstNavigationCommand * cmds) |
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340 |
{ |
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GValue list = { 0, }; |
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GstStructure *structure; |
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gint i; |
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344 |
|
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g_return_if_fail (GST_NAVIGATION_QUERY_HAS_TYPE (query, COMMANDS)); |
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346 |
|
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g_value_init (&list, GST_TYPE_LIST); |
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for (i = 0; i < n_cmds; i++) { |
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gst_query_list_add_command (&list, cmds[i]); |
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} |
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structure = gst_query_get_structure (query); |
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gst_structure_set_value (structure, "commands", &list); |
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|
353 |
|
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g_value_unset (&list); |
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355 |
} |
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|
356 |
|
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357 |
/** |
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* gst_navigation_query_parse_commands_length: |
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* @query: a #GstQuery |
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* @n_cmds: the number of commands in this query. |
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361 |
* |
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* Parse the number of commands in the #GstNavigation commands @query. |
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363 |
* |
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* Returns: %TRUE if the query could be successfully parsed. %FALSE if not. |
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365 |
* Since: 0.10.23 |
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366 |
*/ |
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|
367 |
#ifdef __SYMBIAN32__ |
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368 |
EXPORT_C |
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369 |
#endif |
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|
370 |
|
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371 |
gboolean |
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gst_navigation_query_parse_commands_length (GstQuery * query, guint * n_cmds) |
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373 |
{ |
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GstStructure *structure; |
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const GValue *list; |
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376 |
|
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g_return_val_if_fail (GST_NAVIGATION_QUERY_HAS_TYPE (query, COMMANDS), FALSE); |
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|
378 |
|
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if (n_cmds == NULL) |
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return TRUE; |
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|
381 |
|
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structure = gst_query_get_structure (query); |
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list = gst_structure_get_value (structure, "commands"); |
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if (list == NULL) |
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*n_cmds = 0; |
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386 |
else |
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*n_cmds = gst_value_list_get_size (list); |
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|
388 |
|
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389 |
return TRUE; |
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390 |
} |
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|
391 |
|
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|
392 |
/** |
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* gst_navigation_query_parse_commands_nth: |
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* @query: a #GstQuery |
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* @nth: the nth command to retrieve. |
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* @cmd: a pointer to store the nth command into. |
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|
397 |
* |
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* Parse the #GstNavigation command query and retrieve the @nth command from |
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|
399 |
* it into @cmd. If the list contains less elements than @nth, @cmd will be |
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* set to #GST_NAVIGATION_COMMAND_INVALID. |
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|
401 |
* |
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402 |
* Returns: %TRUE if the query could be successfully parsed. %FALSE if not. |
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|
403 |
* Since: 0.10.23 |
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|
404 |
*/ |
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|
405 |
#ifdef __SYMBIAN32__ |
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406 |
EXPORT_C |
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407 |
#endif |
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|
408 |
|
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409 |
gboolean |
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410 |
gst_navigation_query_parse_commands_nth (GstQuery * query, guint nth, |
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|
411 |
GstNavigationCommand * cmd) |
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412 |
{ |
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|
413 |
GstStructure *structure; |
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414 |
const GValue *list; |
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415 |
|
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|
416 |
g_return_val_if_fail (GST_NAVIGATION_QUERY_HAS_TYPE (query, COMMANDS), FALSE); |
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|
417 |
|
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418 |
if (cmd == NULL) |
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419 |
return TRUE; |
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420 |
|
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421 |
structure = gst_query_get_structure (query); |
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list = gst_structure_get_value (structure, "commands"); |
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423 |
if (list == NULL) { |
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*cmd = GST_NAVIGATION_COMMAND_INVALID; |
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425 |
} else { |
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426 |
if (nth < gst_value_list_get_size (list)) { |
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*cmd = (GstNavigationCommand) |
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g_value_get_enum (gst_value_list_get_value (list, nth)); |
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429 |
} else |
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430 |
*cmd = GST_NAVIGATION_COMMAND_INVALID; |
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431 |
} |
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432 |
|
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433 |
return TRUE; |
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|
434 |
} |
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|
435 |
|
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|
436 |
/** |
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437 |
* gst_navigation_query_new_angles: |
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|
438 |
* |
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439 |
* Create a new #GstNavigation angles query. When executed, it will |
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440 |
* query the pipeline for the set of currently available angles, which may be |
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441 |
* greater than one in a multiangle video. |
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|
442 |
* |
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443 |
* Returns: The new query. |
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444 |
* Since: 0.10.23 |
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445 |
*/ |
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446 |
#ifdef __SYMBIAN32__ |
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447 |
EXPORT_C |
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448 |
#endif |
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|
449 |
|
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450 |
GstQuery * |
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451 |
gst_navigation_query_new_angles (void) |
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452 |
{ |
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453 |
GstQuery *query; |
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|
454 |
GstStructure *structure; |
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|
455 |
|
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456 |
structure = gst_structure_new (GST_NAVIGATION_QUERY_NAME, |
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457 |
"type", G_TYPE_STRING, "angles", NULL); |
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458 |
query = gst_query_new_application (GST_QUERY_CUSTOM, structure); |
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|
459 |
|
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460 |
return query; |
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461 |
} |
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|
462 |
|
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|
463 |
/** |
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464 |
* gst_navigation_query_set_angles: |
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465 |
* @query: a #GstQuery |
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|
466 |
* @cur_angle: the current viewing angle to set. |
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|
467 |
* @n_angles: the number of viewing angles to set. |
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|
468 |
* |
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|
469 |
* Set the #GstNavigation angles query result field in @query. |
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|
470 |
* |
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|
471 |
* Since: 0.10.23 |
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472 |
*/ |
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|
473 |
#ifdef __SYMBIAN32__ |
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|
474 |
EXPORT_C |
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|
475 |
#endif |
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|
476 |
|
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|
477 |
void |
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|
478 |
gst_navigation_query_set_angles (GstQuery * query, guint cur_angle, |
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|
479 |
guint n_angles) |
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|
480 |
{ |
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|
481 |
GstStructure *structure; |
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|
482 |
|
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|
483 |
g_return_if_fail (GST_NAVIGATION_QUERY_HAS_TYPE (query, ANGLES)); |
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|
484 |
|
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|
485 |
structure = gst_query_get_structure (query); |
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|
486 |
gst_structure_set (structure, |
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|
487 |
"angle", G_TYPE_UINT, cur_angle, "angles", G_TYPE_UINT, n_angles, NULL); |
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|
488 |
} |
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|
489 |
|
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|
490 |
/** |
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|
491 |
* gst_navigation_query_parse_angles: |
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|
492 |
* @query: a #GstQuery |
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|
493 |
* @cur_angle: Pointer to a #guint into which to store the currently selected |
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|
494 |
* angle value from the query, or NULL |
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|
495 |
* @n_angles: Pointer to a #guint into which to store the number of angles |
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|
496 |
* value from the query, or NULL |
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|
497 |
* |
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|
498 |
* Parse the current angle number in the #GstNavigation angles @query into the |
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|
499 |
* #guint pointed to by the @cur_angle variable, and the number of available |
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|
500 |
* angles into the #guint pointed to by the @n_angles variable. |
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|
501 |
* |
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|
502 |
* Returns: %TRUE if the query could be successfully parsed. %FALSE if not. |
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|
503 |
* Since: 0.10.23 |
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504 |
*/ |
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|
505 |
#ifdef __SYMBIAN32__ |
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|
506 |
EXPORT_C |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
507 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
508 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
509 |
gboolean |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
510 |
gst_navigation_query_parse_angles (GstQuery * query, guint * cur_angle, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
511 |
guint * n_angles) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
512 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
513 |
GstStructure *structure; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
514 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
515 |
g_return_val_if_fail (GST_NAVIGATION_QUERY_HAS_TYPE (query, ANGLES), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
516 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
517 |
structure = gst_query_get_structure (query); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
518 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
519 |
if (cur_angle) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
520 |
g_return_val_if_fail (gst_structure_get_uint (structure, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
521 |
"angle", cur_angle), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
522 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
523 |
if (n_angles) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
524 |
g_return_val_if_fail (gst_structure_get_uint (structure, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
525 |
"angles", n_angles), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
526 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
527 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
528 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
529 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
530 |
/* Navigation Messages */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
531 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
532 |
#define GST_NAVIGATION_MESSAGE_HAS_TYPE(msg,msg_type) \ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
533 |
(gst_navigation_message_get_type (msg) == GST_NAVIGATION_MESSAGE_ ## msg_type) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
534 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
535 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
536 |
* gst_navigation_message_get_type: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
537 |
* @message: A #GstMessage to inspect. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
538 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
539 |
* Check a bus message to see if it is a #GstNavigation event, and return |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
540 |
* the #GstNavigationMessageType identifying the type of the message if so. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
541 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
542 |
* Returns: The type of the #GstNavigationMessage, or |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
543 |
* #GST_NAVIGATION_MESSAGE_INVALID if the message is not a #GstNavigation |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
544 |
* notification. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
545 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
546 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
547 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
548 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
549 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
550 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
551 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
552 |
GstNavigationMessageType |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
553 |
gst_navigation_message_get_type (GstMessage * message) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
554 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
555 |
const GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
556 |
const gchar *m_type; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
557 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
558 |
if (message == NULL || GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
559 |
return GST_NAVIGATION_MESSAGE_INVALID; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
560 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
561 |
s = gst_message_get_structure (message); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
562 |
if (s == NULL || !gst_structure_has_name (s, GST_NAVIGATION_MESSAGE_NAME)) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
563 |
return GST_NAVIGATION_MESSAGE_INVALID; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
564 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
565 |
m_type = gst_structure_get_string (s, "type"); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
566 |
if (m_type == NULL) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
567 |
return GST_NAVIGATION_MESSAGE_INVALID; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
568 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
569 |
if (g_str_equal (m_type, "mouse-over")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
570 |
return GST_NAVIGATION_MESSAGE_MOUSE_OVER; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
571 |
else if (g_str_equal (m_type, "commands-changed")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
572 |
return GST_NAVIGATION_MESSAGE_COMMANDS_CHANGED; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
573 |
else if (g_str_equal (m_type, "angles-changed")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
574 |
return GST_NAVIGATION_MESSAGE_ANGLES_CHANGED; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
575 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
576 |
return GST_NAVIGATION_MESSAGE_INVALID; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
577 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
578 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
579 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
580 |
* gst_navigation_message_new_mouse_over: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
581 |
* @src: A #GstObject to set as source of the new message. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
582 |
* @active: %TRUE if the mouse has entered a clickable area of the display. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
583 |
* %FALSE if it over a non-clickable area. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
584 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
585 |
* Creates a new #GstNavigation message with type |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
586 |
* #GST_NAVIGATION_MESSAGE_MOUSE_OVER. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
587 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
588 |
* Returns: The new #GstMessage. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
589 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
590 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
591 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
592 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
593 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
594 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
595 |
GstMessage * |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
596 |
gst_navigation_message_new_mouse_over (GstObject * src, gboolean active) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
597 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
598 |
GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
599 |
GstMessage *m; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
600 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
601 |
s = gst_structure_new (GST_NAVIGATION_MESSAGE_NAME, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
602 |
"type", G_TYPE_STRING, "mouse-over", "active", G_TYPE_BOOLEAN, active, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
603 |
NULL); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
604 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
605 |
m = gst_message_new_custom (GST_MESSAGE_ELEMENT, src, s); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
606 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
607 |
return m; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
608 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
609 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
610 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
611 |
* gst_navigation_message_parse_mouse_over: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
612 |
* @message: A #GstMessage to inspect. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
613 |
* @active: A pointer to a gboolean to receive the active/inactive state, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
614 |
* or NULL. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
615 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
616 |
* Parse a #GstNavigation message of type #GST_NAVIGATION_MESSAGE_MOUSE_OVER |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
617 |
* and extract the active/inactive flag. If the mouse over event is marked |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
618 |
* active, it indicates that the mouse is over a clickable area. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
619 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
620 |
* Returns: %TRUE if the message could be successfully parsed. %FALSE if not. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
621 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
622 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
623 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
624 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
625 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
626 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
627 |
gboolean |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
628 |
gst_navigation_message_parse_mouse_over (GstMessage * message, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
629 |
gboolean * active) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
630 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
631 |
if (!GST_NAVIGATION_MESSAGE_HAS_TYPE (message, MOUSE_OVER)) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
632 |
return FALSE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
633 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
634 |
if (active) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
635 |
const GstStructure *s = gst_message_get_structure (message); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
636 |
if (gst_structure_get_boolean (s, "active", active) == FALSE) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
637 |
return FALSE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
638 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
639 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
640 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
641 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
642 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
643 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
644 |
* gst_navigation_message_new_commands_changed: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
645 |
* @src: A #GstObject to set as source of the new message. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
646 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
647 |
* Creates a new #GstNavigation message with type |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
648 |
* #GST_NAVIGATION_MESSAGE_COMMANDS_CHANGED |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
649 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
650 |
* Returns: The new #GstMessage. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
651 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
652 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
653 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
654 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
655 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
656 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
657 |
GstMessage * |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
658 |
gst_navigation_message_new_commands_changed (GstObject * src) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
659 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
660 |
GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
661 |
GstMessage *m; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
662 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
663 |
s = gst_structure_new (GST_NAVIGATION_MESSAGE_NAME, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
664 |
"type", G_TYPE_STRING, "commands-changed", NULL); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
665 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
666 |
m = gst_message_new_custom (GST_MESSAGE_ELEMENT, src, s); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
667 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
668 |
return m; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
669 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
670 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
671 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
672 |
* gst_navigation_message_new_angles_changed: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
673 |
* @src: A #GstObject to set as source of the new message. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
674 |
* @cur_angle: The currently selected angle. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
675 |
* @n_angles: The number of viewing angles now available. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
676 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
677 |
* Creates a new #GstNavigation message with type |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
678 |
* #GST_NAVIGATION_MESSAGE_ANGLES_CHANGED for notifying an application |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
679 |
* that the current angle, or current number of angles available in a |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
680 |
* multiangle video has changed. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
681 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
682 |
* Returns: The new #GstMessage. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
683 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
684 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
685 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
686 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
687 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
688 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
689 |
GstMessage * |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
690 |
gst_navigation_message_new_angles_changed (GstObject * src, guint cur_angle, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
691 |
guint n_angles) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
692 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
693 |
GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
694 |
GstMessage *m; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
695 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
696 |
s = gst_structure_new (GST_NAVIGATION_MESSAGE_NAME, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
697 |
"type", G_TYPE_STRING, "angles-changed", |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
698 |
"angle", G_TYPE_UINT, cur_angle, "angles", G_TYPE_UINT, n_angles, NULL); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
699 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
700 |
m = gst_message_new_custom (GST_MESSAGE_ELEMENT, src, s); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
701 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
702 |
return m; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
703 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
704 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
705 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
706 |
* gst_navigation_message_parse_angles_changed: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
707 |
* @message: A #GstMessage to inspect. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
708 |
* @cur_angle: A pointer to a #guint to receive the new current angle number, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
709 |
* or NULL |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
710 |
* @n_angles: A pointer to a #guint to receive the new angle count, or NULL. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
711 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
712 |
* Parse a #GstNavigation message of type GST_NAVIGATION_MESSAGE_ANGLES_CHANGED |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
713 |
* and extract the @cur_angle and @n_angles parameters. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
714 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
715 |
* Returns: %TRUE if the message could be successfully parsed. %FALSE if not. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
716 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
717 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
718 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
719 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
720 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
721 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
722 |
gboolean |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
723 |
gst_navigation_message_parse_angles_changed (GstMessage * message, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
724 |
guint * cur_angle, guint * n_angles) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
725 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
726 |
const GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
727 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
728 |
g_return_val_if_fail (GST_NAVIGATION_MESSAGE_HAS_TYPE (message, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
729 |
ANGLES_CHANGED), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
730 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
731 |
s = gst_message_get_structure (message); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
732 |
if (cur_angle) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
733 |
g_return_val_if_fail (gst_structure_get_uint (s, "angle", cur_angle), |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
734 |
FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
735 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
736 |
if (n_angles) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
737 |
g_return_val_if_fail (gst_structure_get_uint (s, "angles", n_angles), |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
738 |
FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
739 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
740 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
741 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
742 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
743 |
#define GST_NAVIGATION_EVENT_HAS_TYPE(event,event_type) \ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
744 |
(gst_navigation_event_get_type (event) == GST_NAVIGATION_EVENT_ ## event_type) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
745 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
746 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
747 |
* gst_navigation_event_get_type: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
748 |
* @event: A #GstEvent to inspect. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
749 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
750 |
* Inspect a #GstEvent and return the #GstNavigationEventType of the event, or |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
751 |
* #GST_NAVIGATION_EVENT_INVALID if the event is not a #GstNavigation event. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
752 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
753 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
754 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
755 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
756 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
757 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
758 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
759 |
GstNavigationEventType |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
760 |
gst_navigation_event_get_type (GstEvent * event) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
761 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
762 |
const GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
763 |
const gchar *e_type; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
764 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
765 |
if (event == NULL || GST_EVENT_TYPE (event) != GST_EVENT_NAVIGATION) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
766 |
return GST_NAVIGATION_EVENT_INVALID; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
767 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
768 |
s = gst_event_get_structure (event); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
769 |
if (s == NULL || !gst_structure_has_name (s, GST_NAVIGATION_EVENT_NAME)) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
770 |
return GST_NAVIGATION_EVENT_INVALID; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
771 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
772 |
e_type = gst_structure_get_string (s, "event"); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
773 |
if (e_type == NULL) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
774 |
return GST_NAVIGATION_EVENT_INVALID; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
775 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
776 |
if (g_str_equal (e_type, "mouse-button-press")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
777 |
return GST_NAVIGATION_EVENT_MOUSE_BUTTON_PRESS; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
778 |
else if (g_str_equal (e_type, "mouse-button-release")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
779 |
return GST_NAVIGATION_EVENT_MOUSE_BUTTON_RELEASE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
780 |
else if (g_str_equal (e_type, "mouse-move")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
781 |
return GST_NAVIGATION_EVENT_MOUSE_MOVE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
782 |
else if (g_str_equal (e_type, "key-press")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
783 |
return GST_NAVIGATION_EVENT_KEY_PRESS; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
784 |
else if (g_str_equal (e_type, "key-release")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
785 |
return GST_NAVIGATION_EVENT_KEY_RELEASE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
786 |
else if (g_str_equal (e_type, "command")) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
787 |
return GST_NAVIGATION_EVENT_COMMAND; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
788 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
789 |
return GST_NAVIGATION_EVENT_INVALID; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
790 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
791 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
792 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
793 |
* gst_navigation_event_parse_key_event: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
794 |
* @event: A #GstEvent to inspect. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
795 |
* @key: A pointer to a location to receive the string identifying the key |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
796 |
* press. The returned string is owned by the event, and valid only until the |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
797 |
* event is unreffed. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
798 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
799 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
800 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
801 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
802 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
803 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
804 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
805 |
gboolean |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
806 |
gst_navigation_event_parse_key_event (GstEvent * event, const gchar ** key) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
807 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
808 |
GstNavigationEventType e_type; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
809 |
const GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
810 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
811 |
e_type = gst_navigation_event_get_type (event); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
812 |
g_return_val_if_fail (e_type == GST_NAVIGATION_EVENT_KEY_PRESS || |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
813 |
e_type == GST_NAVIGATION_EVENT_KEY_RELEASE, FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
814 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
815 |
if (key) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
816 |
s = gst_event_get_structure (event); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
817 |
*key = gst_structure_get_string (s, "key"); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
818 |
if (*key == NULL) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
819 |
return FALSE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
820 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
821 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
822 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
823 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
824 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
825 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
826 |
* gst_navigation_event_parse_mouse_button_event: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
827 |
* @event: A #GstEvent to inspect. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
828 |
* @button: Pointer to a gint that will receive the button number associated |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
829 |
* with the event. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
830 |
* @x: Pointer to a gdouble to receive the x coordinate of the mouse button |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
831 |
* event. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
832 |
* @y: Pointer to a gdouble to receive the y coordinate of the mouse button |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
833 |
* event. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
834 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
835 |
* Retrieve the details of either a #GstNavigation mouse button press event or |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
836 |
* a mouse button release event. Determine which type the event is using |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
837 |
* gst_navigation_event_get_type() to retrieve the #GstNavigationEventType. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
838 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
839 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
840 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
841 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
842 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
843 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
844 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
845 |
gboolean |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
846 |
gst_navigation_event_parse_mouse_button_event (GstEvent * event, gint * button, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
847 |
gdouble * x, gdouble * y) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
848 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
849 |
GstNavigationEventType e_type; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
850 |
const GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
851 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
852 |
e_type = gst_navigation_event_get_type (event); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
853 |
g_return_val_if_fail (e_type == GST_NAVIGATION_EVENT_MOUSE_BUTTON_PRESS || |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
854 |
e_type == GST_NAVIGATION_EVENT_MOUSE_BUTTON_RELEASE, FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
855 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
856 |
s = gst_event_get_structure (event); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
857 |
if (x) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
858 |
g_return_val_if_fail (gst_structure_get_double (s, "pointer_x", x), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
859 |
if (y) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
860 |
g_return_val_if_fail (gst_structure_get_double (s, "pointer_y", y), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
861 |
if (button) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
862 |
g_return_val_if_fail (gst_structure_get_int (s, "button", button), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
863 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
864 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
865 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
866 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
867 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
868 |
* gst_navigation_event_parse_mouse_move_event: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
869 |
* @event: A #GstEvent to inspect. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
870 |
* @x: Pointer to a gdouble to receive the x coordinate of the mouse movement. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
871 |
* @y: Pointer to a gdouble to receive the y coordinate of the mouse movement. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
872 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
873 |
* Inspect a #GstNavigation mouse movement event and extract the coordinates |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
874 |
* of the event. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
875 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
876 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
877 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
878 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
879 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
880 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
881 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
882 |
gboolean |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
883 |
gst_navigation_event_parse_mouse_move_event (GstEvent * event, gdouble * x, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
884 |
gdouble * y) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
885 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
886 |
const GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
887 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
888 |
g_return_val_if_fail (GST_NAVIGATION_EVENT_HAS_TYPE (event, MOUSE_MOVE), |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
889 |
FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
890 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
891 |
s = gst_event_get_structure (event); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
892 |
if (x) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
893 |
g_return_val_if_fail (gst_structure_get_double (s, "pointer_x", x), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
894 |
if (y) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
895 |
g_return_val_if_fail (gst_structure_get_double (s, "pointer_y", y), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
896 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
897 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
898 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
899 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
900 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
901 |
* gst_navigation_event_parse_command: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
902 |
* @event: A #GstEvent to inspect. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
903 |
* @command: Pointer to GstNavigationCommand to receive the type of the |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
904 |
* navigation event. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
905 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
906 |
* Inspect a #GstNavigation command event and retrieve the enum value of the |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
907 |
* associated command. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
908 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
909 |
* Since: 0.10.23 |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
910 |
*/ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
911 |
#ifdef __SYMBIAN32__ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
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changeset
|
912 |
EXPORT_C |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
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changeset
|
913 |
#endif |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
914 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
915 |
gboolean |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
916 |
gst_navigation_event_parse_command (GstEvent * event, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
917 |
GstNavigationCommand * command) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
918 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
919 |
const GstStructure *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
920 |
g_return_val_if_fail (GST_NAVIGATION_EVENT_HAS_TYPE (event, COMMAND), FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
921 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
922 |
if (command) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
923 |
s = gst_event_get_structure (event); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
924 |
g_return_val_if_fail (gst_structure_get_uint (s, "command-code", (guint*)command), |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
925 |
FALSE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
926 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
927 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
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changeset
|
928 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
929 |
} |