Import MxIcon as StIcon
https://bugzilla.gnome.org/show_bug.cgi?id=633865
This commit is contained in:
Owen W. Taylor
parent
c98103ffc8
commit
839492f15b
@ -79,6 +79,7 @@ st_source_h = \
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st/st-entry.h \
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st/st-entry.h \
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st/st-focus-manager.h \
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st/st-focus-manager.h \
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st/st-group.h \
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st/st-group.h \
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st/st-icon.h \
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st/st-im-text.h \
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st/st-im-text.h \
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st/st-label.h \
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st/st-label.h \
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st/st-overflow-box.h \
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st/st-overflow-box.h \
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@ -128,6 +129,7 @@ st_source_c = \
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st/st-entry.c \
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st/st-entry.c \
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st/st-focus-manager.c \
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st/st-focus-manager.c \
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st/st-group.c \
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st/st-group.c \
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st/st-icon.c \
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st/st-im-text.c \
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st/st-im-text.c \
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st/st-label.c \
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st/st-label.c \
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st/st-overflow-box.c \
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st/st-overflow-box.c \
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553
src/st/st-icon.c
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553
src/st/st-icon.c
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@ -0,0 +1,553 @@
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* st-icon.c: icon widget
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*
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* Copyright 2009, 2010 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU Lesser General Public License,
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* version 2.1, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Written by: Thomas Wood <thomas.wood@intel.com>,
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* Chris Lord <chris@linux.intel.com>
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*
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*/
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/**
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* SECTION:st-icon
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* @short_description: a simple styled icon actor
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*
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* #StIcon is a simple styled texture actor that displays an image from
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* a stylesheet.
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*/
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#include "st-icon.h"
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#include "st-icon-theme.h"
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#include "st-stylable.h"
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#include "st-private.h"
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enum
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{
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PROP_0,
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PROP_ICON_NAME,
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PROP_ICON_SIZE
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};
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static void st_stylable_iface_init (StStylableIface *iface);
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G_DEFINE_TYPE_WITH_CODE (StIcon, st_icon, ST_TYPE_WIDGET,
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G_IMPLEMENT_INTERFACE (ST_TYPE_STYLABLE,
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st_stylable_iface_init))
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#define ST_ICON_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((obj), ST_TYPE_ICON, StIconPrivate))
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struct _StIconPrivate
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{
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ClutterActor *icon_texture;
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gboolean is_content_image;
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gchar *icon_name;
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gint icon_size;
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};
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static void st_icon_update (StIcon *icon);
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static void
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st_stylable_iface_init (StStylableIface *iface)
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{
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static gboolean is_initialized = FALSE;
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if (G_UNLIKELY (!is_initialized))
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{
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GParamSpec *pspec;
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is_initialized = TRUE;
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pspec = g_param_spec_boxed ("x-st-content-image",
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"Content Image",
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"Image used as the button",
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ST_TYPE_BORDER_IMAGE,
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G_PARAM_READWRITE);
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st_stylable_iface_install_property (iface, ST_TYPE_ICON, pspec);
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pspec = g_param_spec_string ("x-st-icon-name",
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"Icon name",
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"Icon name to load from the theme",
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NULL,
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G_PARAM_READWRITE);
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st_stylable_iface_install_property (iface, ST_TYPE_ICON, pspec);
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pspec = g_param_spec_int ("x-st-icon-size",
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"Icon size",
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"Size to use for icon",
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-1, G_MAXINT, -1,
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G_PARAM_READWRITE);
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st_stylable_iface_install_property (iface, ST_TYPE_ICON, pspec);
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}
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}
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static void
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st_icon_set_property (GObject *gobject,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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StIcon *icon = ST_ICON (gobject);
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switch (prop_id)
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{
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case PROP_ICON_NAME:
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st_icon_set_icon_name (icon, g_value_get_string (value));
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break;
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case PROP_ICON_SIZE:
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st_icon_set_icon_size (icon, g_value_get_int (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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break;
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}
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}
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static void
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st_icon_get_property (GObject *gobject,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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StIcon *icon = ST_ICON (gobject);
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switch (prop_id)
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{
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case PROP_ICON_NAME:
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g_value_set_string (value, st_icon_get_icon_name (icon));
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break;
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case PROP_ICON_SIZE:
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g_value_set_int (value, st_icon_get_icon_size (icon));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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break;
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}
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}
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static void
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st_icon_notify_theme_name_cb (StIconTheme *theme,
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GParamSpec *pspec,
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StIcon *self)
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{
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st_icon_update (self);
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}
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static void
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st_icon_dispose (GObject *gobject)
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{
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StIconTheme *theme;
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StIconPrivate *priv = ST_ICON (gobject)->priv;
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if (priv->icon_texture)
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{
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clutter_actor_destroy (priv->icon_texture);
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priv->icon_texture = NULL;
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}
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if ((theme = st_icon_theme_get_default ()))
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{
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g_signal_handlers_disconnect_by_func (st_icon_theme_get_default (),
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st_icon_notify_theme_name_cb,
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gobject);
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}
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G_OBJECT_CLASS (st_icon_parent_class)->dispose (gobject);
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}
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static void
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st_icon_get_preferred_height (ClutterActor *actor,
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gfloat for_width,
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gfloat *min_height_p,
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gfloat *nat_height_p)
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{
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StPadding padding;
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gfloat pref_height;
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StIconPrivate *priv = ST_ICON (actor)->priv;
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if (priv->icon_texture)
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{
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gint width, height;
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clutter_texture_get_base_size (CLUTTER_TEXTURE (priv->icon_texture),
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&width,
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&height);
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if (!priv->is_content_image)
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{
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if (width <= height)
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pref_height = priv->icon_size;
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else
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pref_height = height / (gfloat)width * priv->icon_size;
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}
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else
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pref_height = height;
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}
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else
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pref_height = 0;
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st_widget_get_padding (ST_WIDGET (actor), &padding);
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pref_height += padding.top + padding.bottom;
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if (min_height_p)
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*min_height_p = pref_height;
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if (nat_height_p)
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*nat_height_p = pref_height;
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}
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static void
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st_icon_get_preferred_width (ClutterActor *actor,
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gfloat for_height,
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gfloat *min_width_p,
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gfloat *nat_width_p)
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{
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StPadding padding;
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gfloat pref_width;
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StIconPrivate *priv = ST_ICON (actor)->priv;
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if (priv->icon_texture)
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{
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gint width, height;
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clutter_texture_get_base_size (CLUTTER_TEXTURE (priv->icon_texture),
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&width,
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&height);
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if (!priv->is_content_image)
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{
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if (height <= width)
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pref_width = priv->icon_size;
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else
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pref_width = width / (gfloat)height * priv->icon_size;
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}
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else
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pref_width = width;
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}
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else
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pref_width = 0;
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st_widget_get_padding (ST_WIDGET (actor), &padding);
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pref_width += padding.left + padding.right;
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if (min_width_p)
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*min_width_p = pref_width;
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if (nat_width_p)
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*nat_width_p = pref_width;
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}
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static void
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st_icon_allocate (ClutterActor *actor,
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const ClutterActorBox *box,
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ClutterAllocationFlags flags)
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{
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StIconPrivate *priv = ST_ICON (actor)->priv;
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CLUTTER_ACTOR_CLASS (st_icon_parent_class)->allocate (actor, box, flags);
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if (priv->icon_texture)
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{
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StPadding padding;
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ClutterActorBox child_box;
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st_widget_get_padding (ST_WIDGET (actor), &padding);
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child_box.x1 = padding.left;
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child_box.y1 = padding.top;
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child_box.x2 = box->x2 - box->x1 - padding.right;
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child_box.y2 = box->y2 - box->y1 - padding.bottom;
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clutter_actor_allocate (priv->icon_texture, &child_box, flags);
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}
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}
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static void
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st_icon_paint (ClutterActor *actor)
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{
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StIconPrivate *priv = ST_ICON (actor)->priv;
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/* Chain up to paint background */
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if (!priv->is_content_image)
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CLUTTER_ACTOR_CLASS (st_icon_parent_class)->paint (actor);
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if (priv->icon_texture)
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clutter_actor_paint (priv->icon_texture);
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}
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static void
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st_icon_map (ClutterActor *actor)
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{
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StIconPrivate *priv = ST_ICON (actor)->priv;
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CLUTTER_ACTOR_CLASS (st_icon_parent_class)->map (actor);
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if (priv->icon_texture)
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clutter_actor_map (priv->icon_texture);
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}
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static void
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st_icon_unmap (ClutterActor *actor)
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{
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StIconPrivate *priv = ST_ICON (actor)->priv;
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CLUTTER_ACTOR_CLASS (st_icon_parent_class)->unmap (actor);
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if (priv->icon_texture)
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clutter_actor_unmap (priv->icon_texture);
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}
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static void
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st_icon_class_init (StIconClass *klass)
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{
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GParamSpec *pspec;
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
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g_type_class_add_private (klass, sizeof (StIconPrivate));
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object_class->get_property = st_icon_get_property;
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object_class->set_property = st_icon_set_property;
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object_class->dispose = st_icon_dispose;
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actor_class->get_preferred_height = st_icon_get_preferred_height;
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actor_class->get_preferred_width = st_icon_get_preferred_width;
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actor_class->allocate = st_icon_allocate;
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actor_class->paint = st_icon_paint;
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actor_class->map = st_icon_map;
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actor_class->unmap = st_icon_unmap;
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pspec = g_param_spec_string ("icon-name",
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"Icon name",
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"An icon name",
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NULL, ST_PARAM_READWRITE);
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g_object_class_install_property (object_class, PROP_ICON_NAME, pspec);
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pspec = g_param_spec_int ("icon-size",
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"Icon size",
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"Size of the icon",
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1, G_MAXINT, 48,
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ST_PARAM_READWRITE);
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g_object_class_install_property (object_class, PROP_ICON_SIZE, pspec);
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}
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static void
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st_icon_update (StIcon *icon)
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{
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StIconPrivate *priv = icon->priv;
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if (priv->is_content_image)
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{
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priv->is_content_image = FALSE;
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g_signal_connect (st_icon_theme_get_default (), "notify::theme-name",
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G_CALLBACK (st_icon_notify_theme_name_cb), icon);
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}
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/* Get rid of the old one */
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if (priv->icon_texture)
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{
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clutter_actor_destroy (priv->icon_texture);
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priv->icon_texture = NULL;
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}
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/* Try to lookup the new one */
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if (priv->icon_name)
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{
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StIconTheme *theme = st_icon_theme_get_default ();
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priv->icon_texture = (ClutterActor *)
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st_icon_theme_lookup_texture (theme, priv->icon_name, priv->icon_size);
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/* If the icon is missing, use the image-missing icon */
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||||||
|
if (!priv->icon_texture)
|
||||||
|
priv->icon_texture = (ClutterActor *)
|
||||||
|
st_icon_theme_lookup_texture (theme,
|
||||||
|
"image-missing",
|
||||||
|
priv->icon_size);
|
||||||
|
|
||||||
|
if (priv->icon_texture)
|
||||||
|
clutter_actor_set_parent (priv->icon_texture, CLUTTER_ACTOR (icon));
|
||||||
|
}
|
||||||
|
|
||||||
|
clutter_actor_queue_relayout (CLUTTER_ACTOR (icon));
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
st_icon_style_changed_cb (StWidget *widget)
|
||||||
|
{
|
||||||
|
StIcon *self = ST_ICON (widget);
|
||||||
|
StIconPrivate *priv = self->priv;
|
||||||
|
|
||||||
|
StBorderImage *content_image = NULL;
|
||||||
|
gboolean changed = FALSE;
|
||||||
|
gchar *icon_name = NULL;
|
||||||
|
gint icon_size = -1;
|
||||||
|
|
||||||
|
st_stylable_get (ST_STYLABLE (widget),
|
||||||
|
"x-st-content-image", &content_image,
|
||||||
|
"x-st-icon-name", &icon_name,
|
||||||
|
"x-st-icon-size", &icon_size,
|
||||||
|
NULL);
|
||||||
|
|
||||||
|
/* Content-image overrides drawing of the icon, so
|
||||||
|
* don't bother reading those properties if it's set.
|
||||||
|
*/
|
||||||
|
if (content_image)
|
||||||
|
{
|
||||||
|
GError *error = NULL;
|
||||||
|
|
||||||
|
priv->is_content_image = TRUE;
|
||||||
|
g_signal_handlers_disconnect_by_func (st_icon_theme_get_default (),
|
||||||
|
st_icon_notify_theme_name_cb,
|
||||||
|
self);
|
||||||
|
|
||||||
|
if (priv->icon_texture)
|
||||||
|
clutter_actor_destroy (priv->icon_texture);
|
||||||
|
|
||||||
|
priv->icon_texture = clutter_texture_new_from_file (content_image->uri,
|
||||||
|
&error);
|
||||||
|
if (priv->icon_texture)
|
||||||
|
clutter_actor_set_parent (priv->icon_texture, CLUTTER_ACTOR (widget));
|
||||||
|
|
||||||
|
if (error)
|
||||||
|
{
|
||||||
|
g_warning ("Could not load content image: %s", error->message);
|
||||||
|
g_error_free (error);
|
||||||
|
}
|
||||||
|
|
||||||
|
g_boxed_free (ST_TYPE_BORDER_IMAGE, content_image);
|
||||||
|
g_free (icon_name);
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (icon_name && (!priv->icon_name ||
|
||||||
|
!g_str_equal (icon_name, priv->icon_name)))
|
||||||
|
{
|
||||||
|
g_free (priv->icon_name);
|
||||||
|
priv->icon_name = g_strdup (icon_name);
|
||||||
|
changed = TRUE;
|
||||||
|
|
||||||
|
g_object_notify (G_OBJECT (self), "icon-name");
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((icon_size > 0) && (priv->icon_size != icon_size))
|
||||||
|
{
|
||||||
|
priv->icon_size = icon_size;
|
||||||
|
changed = TRUE;
|
||||||
|
|
||||||
|
g_object_notify (G_OBJECT (self), "icon-size");
|
||||||
|
}
|
||||||
|
|
||||||
|
if (changed)
|
||||||
|
st_icon_update (self);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
st_icon_init (StIcon *self)
|
||||||
|
{
|
||||||
|
self->priv = ST_ICON_GET_PRIVATE (self);
|
||||||
|
|
||||||
|
self->priv->icon_size = 48;
|
||||||
|
|
||||||
|
g_signal_connect (self, "style-changed",
|
||||||
|
G_CALLBACK (st_icon_style_changed_cb), NULL);
|
||||||
|
|
||||||
|
/* make sure we are not reactive */
|
||||||
|
clutter_actor_set_reactive (CLUTTER_ACTOR (self), FALSE);
|
||||||
|
|
||||||
|
/* Reload the icon when the theme changes */
|
||||||
|
g_signal_connect (st_icon_theme_get_default (), "notify::theme-name",
|
||||||
|
G_CALLBACK (st_icon_notify_theme_name_cb), self);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* st_icon_new:
|
||||||
|
*
|
||||||
|
* Create a newly allocated #StIcon
|
||||||
|
*
|
||||||
|
* Returns: A newly allocated #StIcon
|
||||||
|
*/
|
||||||
|
ClutterActor *
|
||||||
|
st_icon_new (void)
|
||||||
|
{
|
||||||
|
return g_object_new (ST_TYPE_ICON, NULL);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
const gchar *
|
||||||
|
st_icon_get_icon_name (StIcon *icon)
|
||||||
|
{
|
||||||
|
g_return_val_if_fail (ST_IS_ICON (icon), NULL);
|
||||||
|
|
||||||
|
return icon->priv->icon_name;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
st_icon_set_icon_name (StIcon *icon,
|
||||||
|
const gchar *icon_name)
|
||||||
|
{
|
||||||
|
StIconPrivate *priv;
|
||||||
|
|
||||||
|
g_return_if_fail (ST_IS_ICON (icon));
|
||||||
|
|
||||||
|
priv = icon->priv;
|
||||||
|
|
||||||
|
/* Check if there's no change */
|
||||||
|
if ((!priv->icon_name && !icon_name) ||
|
||||||
|
(priv->icon_name && icon_name &&
|
||||||
|
g_str_equal (priv->icon_name, icon_name)))
|
||||||
|
return;
|
||||||
|
|
||||||
|
g_free (priv->icon_name);
|
||||||
|
priv->icon_name = g_strdup (icon_name);
|
||||||
|
|
||||||
|
st_icon_update (icon);
|
||||||
|
|
||||||
|
g_object_notify (G_OBJECT (icon), "icon-name");
|
||||||
|
}
|
||||||
|
|
||||||
|
gint
|
||||||
|
st_icon_get_icon_size (StIcon *icon)
|
||||||
|
{
|
||||||
|
g_return_val_if_fail (ST_IS_ICON (icon), -1);
|
||||||
|
|
||||||
|
return icon->priv->icon_size;
|
||||||
|
}
|
||||||
|
void
|
||||||
|
st_icon_set_icon_size (StIcon *icon,
|
||||||
|
gint size)
|
||||||
|
{
|
||||||
|
StIconPrivate *priv;
|
||||||
|
|
||||||
|
g_return_if_fail (ST_IS_ICON (icon));
|
||||||
|
g_return_if_fail (size > 0);
|
||||||
|
|
||||||
|
priv = icon->priv;
|
||||||
|
if (priv->icon_size != size)
|
||||||
|
{
|
||||||
|
priv->icon_size = size;
|
||||||
|
st_icon_update (icon);
|
||||||
|
g_object_notify (G_OBJECT (icon), "icon-size");
|
||||||
|
}
|
||||||
|
}
|
||||||
95
src/st/st-icon.h
Normal file
95
src/st/st-icon.h
Normal file
@ -0,0 +1,95 @@
|
|||||||
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
|
||||||
|
/*
|
||||||
|
* st-icon.h: icon widget
|
||||||
|
*
|
||||||
|
* Copyright 2009, 2010 Intel Corporation.
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify it
|
||||||
|
* under the terms and conditions of the GNU Lesser General Public License,
|
||||||
|
* version 2.1, as published by the Free Software Foundation.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope it will be useful, but WITHOUT ANY
|
||||||
|
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||||
|
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
|
||||||
|
* more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Lesser General Public License
|
||||||
|
* along with this program; if not, write to the Free Software Foundation,
|
||||||
|
* Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
||||||
|
*
|
||||||
|
* Written by: Thomas Wood <thomas.wood@intel.com>
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#if !defined(ST_H_INSIDE) && !defined(ST_COMPILATION)
|
||||||
|
#error "Only <st/st.h> can be included directly.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef _ST_ICON
|
||||||
|
#define _ST_ICON
|
||||||
|
|
||||||
|
#include <glib-object.h>
|
||||||
|
#include "st-widget.h"
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define ST_TYPE_ICON st_icon_get_type()
|
||||||
|
|
||||||
|
#define ST_ICON(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), ST_TYPE_ICON, StIcon))
|
||||||
|
|
||||||
|
#define ST_ICON_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST ((klass), ST_TYPE_ICON, StIconClass))
|
||||||
|
|
||||||
|
#define ST_IS_ICON(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), ST_TYPE_ICON))
|
||||||
|
|
||||||
|
#define ST_IS_ICON_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), ST_TYPE_ICON))
|
||||||
|
|
||||||
|
#define ST_ICON_GET_CLASS(obj) \
|
||||||
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), ST_TYPE_ICON, StIconClass))
|
||||||
|
|
||||||
|
typedef struct _StIconPrivate StIconPrivate;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* StIcon:
|
||||||
|
*
|
||||||
|
* The contents of this structure are private and should only be accessed
|
||||||
|
* through the public API.
|
||||||
|
*/
|
||||||
|
typedef struct {
|
||||||
|
/*< private >*/
|
||||||
|
StWidget parent;
|
||||||
|
|
||||||
|
StIconPrivate *priv;
|
||||||
|
} StIcon;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
StWidgetClass parent_class;
|
||||||
|
|
||||||
|
/* padding for future expansion */
|
||||||
|
void (*_padding_0) (void);
|
||||||
|
void (*_padding_1) (void);
|
||||||
|
void (*_padding_2) (void);
|
||||||
|
void (*_padding_3) (void);
|
||||||
|
void (*_padding_4) (void);
|
||||||
|
} StIconClass;
|
||||||
|
|
||||||
|
GType st_icon_get_type (void);
|
||||||
|
|
||||||
|
ClutterActor* st_icon_new (void);
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
const gchar *st_icon_get_icon_name (StIcon *icon);
|
||||||
|
void st_icon_set_icon_name (StIcon *icon, const gchar *icon_name);
|
||||||
|
|
||||||
|
gint st_icon_get_icon_size (StIcon *icon);
|
||||||
|
void st_icon_set_icon_size (StIcon *icon, gint size);
|
||||||
|
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* _ST_ICON */
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user