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Tidy up redrawing and notifications in KatzeThrobber

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This commit is contained in:
Christian Dywan 2008-08-02 04:21:38 +02:00
parent 68fe5e05e1
commit f210b90ff9
1 changed files with 81 additions and 44 deletions
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125
katze/katze-throbber.c
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@ -1,5 +1,5 @@
/*
Copyright (C) 2007 Christian Dywan <christian@twotoasts.de>
Copyright (C) 2007-2008 Christian Dywan <christian@twotoasts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@ -130,7 +130,7 @@ katze_throbber_class_init (KatzeThrobberClass* class)
PROP_ICON_SIZE,
g_param_spec_int (
"icon-size",
"Icon size",
_("Icon size"),
_("Symbolic size to use for the animation"),
0, G_MAXINT, GTK_ICON_SIZE_MENU,
flags));
@ -139,7 +139,7 @@ katze_throbber_class_init (KatzeThrobberClass* class)
PROP_ICON_NAME,
g_param_spec_string (
"icon-name",
"Icon Name",
_("Icon Name"),
_("The name of an icon containing animation frames"),
"process-working",
flags));
@ -148,7 +148,7 @@ katze_throbber_class_init (KatzeThrobberClass* class)
PROP_PIXBUF,
g_param_spec_object (
"pixbuf",
"Pixbuf",
_("Pixbuf"),
_("A GdkPixbuf containing animation frames"),
GDK_TYPE_PIXBUF,
G_PARAM_READWRITE));
@ -157,7 +157,7 @@ katze_throbber_class_init (KatzeThrobberClass* class)
PROP_ANIMATED,
g_param_spec_boolean (
"animated",
"Animated",
_("Animated"),
_("Whether the throbber should be animated"),
FALSE,
flags));
@ -166,7 +166,7 @@ katze_throbber_class_init (KatzeThrobberClass* class)
PROP_STATIC_ICON_NAME,
g_param_spec_string (
"static-icon-name",
"Static Icon Name",
_("Static Icon Name"),
_("The name of an icon to be used as the static image"),
NULL,
flags));
@ -175,7 +175,7 @@ katze_throbber_class_init (KatzeThrobberClass* class)
PROP_PIXBUF,
g_param_spec_object (
"static-pixbuf",
"Static Pixbuf",
_("Static Pixbuf"),
_("A GdkPixbuf to be used as the static image"),
GDK_TYPE_PIXBUF,
G_PARAM_READWRITE));
@ -184,7 +184,7 @@ katze_throbber_class_init (KatzeThrobberClass* class)
PROP_STATIC_STOCK_ID,
g_param_spec_string (
"static-stock-id",
"Static Stock ID",
_("Static Stock ID"),
_("The stock ID of an icon to be used as the static image"),
NULL,
flags));
@ -261,10 +261,10 @@ katze_throbber_set_property (GObject* object,
}
static void
katze_throbber_get_property (GObject* object,
guint prop_id,
GValue* value,
GParamSpec* pspec)
katze_throbber_get_property (GObject* object,
guint prop_id,
GValue* value,
GParamSpec* pspec)
{
KatzeThrobber* throbber = KATZE_THROBBER (object);
@ -326,14 +326,20 @@ void
katze_throbber_set_icon_size (KatzeThrobber* throbber,
GtkIconSize icon_size)
{
GtkSettings* gtk_settings;
g_return_if_fail (KATZE_IS_THROBBER (throbber));
g_return_if_fail (gtk_icon_size_lookup (icon_size,
&throbber->width,
&throbber->height));
gtk_settings = gtk_widget_get_settings (GTK_WIDGET (throbber));
g_return_if_fail (gtk_icon_size_lookup_for_settings (gtk_settings,
icon_size,
&throbber->width,
&throbber->height));
throbber->icon_size = icon_size;
g_object_notify (G_OBJECT (throbber), "icon-size");
gtk_widget_queue_draw (GTK_WIDGET (throbber));
}
/**
@ -375,20 +381,24 @@ katze_throbber_set_pixbuf (KatzeThrobber* throbber,
GdkPixbuf* pixbuf)
{
g_return_if_fail (KATZE_IS_THROBBER (throbber));
g_return_if_fail (pixbuf == NULL || GDK_IS_PIXBUF (pixbuf));
g_return_if_fail (!pixbuf || GDK_IS_PIXBUF (pixbuf));
katze_object_assign (throbber->pixbuf, pixbuf);
g_object_freeze_notify (G_OBJECT (throbber));
if (pixbuf)
{
g_object_ref (pixbuf);
katze_assign (throbber->icon_name, NULL);
g_object_notify (G_OBJECT (throbber), "icon-name");
}
gtk_widget_queue_draw (GTK_WIDGET (throbber));
g_object_notify (G_OBJECT (throbber), "pixbuf");
g_object_thaw_notify (G_OBJECT (throbber));
}
/**
@ -438,14 +448,20 @@ katze_throbber_set_static_icon_name (KatzeThrobber* throbber,
katze_assign (throbber->static_icon_name, g_strdup (icon_name));
g_object_freeze_notify (G_OBJECT (throbber));
if (icon_name)
{
katze_assign (throbber->static_stock_id, NULL);
icon_theme_changed (throbber);
g_object_notify (G_OBJECT (throbber), "static-pixbuf");
g_object_notify (G_OBJECT (throbber), "static-stock-id");
}
g_object_notify (G_OBJECT (throbber), "static-icon-name");
g_object_thaw_notify (G_OBJECT (throbber));
}
/**
@ -468,15 +484,23 @@ katze_throbber_set_static_pixbuf (KatzeThrobber* throbber,
katze_object_assign (throbber->static_pixbuf, pixbuf);
g_object_freeze_notify (G_OBJECT (throbber));
if (pixbuf)
{
g_object_ref (pixbuf);
katze_assign (throbber->static_icon_name, NULL);
katze_assign (throbber->static_stock_id, NULL);
gtk_widget_queue_draw (GTK_WIDGET (throbber));
g_object_notify (G_OBJECT (throbber), "static-icon-name");
g_object_notify (G_OBJECT (throbber), "static-stock-id");
}
g_object_notify (G_OBJECT (throbber), "static-pixbuf");
g_object_thaw_notify (G_OBJECT (throbber));
}
/**
@ -486,18 +510,23 @@ katze_throbber_set_static_pixbuf (KatzeThrobber* throbber,
*
* Sets the stock ID of an icon that should provide the static image.
*
* The statc icon name and pixbuf are automatically invalidated.
* The static icon name and pixbuf are automatically invalidated.
**/
void
katze_throbber_set_static_stock_id (KatzeThrobber* throbber,
const gchar* stock_id)
katze_throbber_set_static_stock_id (KatzeThrobber* throbber,
const gchar* stock_id)
{
g_return_if_fail (KATZE_IS_THROBBER (throbber));
g_object_freeze_notify (G_OBJECT (throbber));
if (stock_id)
{
GtkStockItem stock_item;
g_return_if_fail (gtk_stock_lookup (stock_id, &stock_item));
g_object_notify (G_OBJECT (throbber), "static-icon-name");
g_object_notify (G_OBJECT (throbber), "static-pixbuf");
}
katze_assign (throbber->static_stock_id, g_strdup (stock_id));
@ -506,6 +535,7 @@ katze_throbber_set_static_stock_id (KatzeThrobber* throbber,
icon_theme_changed (throbber);
g_object_notify (G_OBJECT (throbber), "static-stock-id");
g_object_thaw_notify (G_OBJECT (throbber));
}
/**
@ -637,13 +667,8 @@ katze_throbber_realize (GtkWidget* widget)
static void
katze_throbber_unrealize (GtkWidget* widget)
{
KatzeThrobber* throbber = KATZE_THROBBER (widget);
if (GTK_WIDGET_CLASS (katze_throbber_parent_class)->unrealize)
GTK_WIDGET_CLASS (katze_throbber_parent_class)->unrealize (widget);
katze_object_assign (throbber->pixbuf, NULL);
katze_object_assign (throbber->static_pixbuf, NULL);
}
static void
@ -651,11 +676,14 @@ pixbuf_assign_icon (GdkPixbuf** pixbuf,
const gchar* icon_name,
KatzeThrobber* throbber)
{
GdkScreen* screen;
GtkIconTheme* icon_theme;
if (*pixbuf)
g_object_unref (*pixbuf);
GdkScreen* screen = gtk_widget_get_screen (GTK_WIDGET (throbber));
GtkIconTheme* icon_theme = gtk_icon_theme_get_for_screen (screen);
screen = gtk_widget_get_screen (GTK_WIDGET (throbber));
icon_theme = gtk_icon_theme_get_for_screen (screen);
*pixbuf = gtk_icon_theme_load_icon (icon_theme,
icon_name,
MAX (throbber->width, throbber->height),
@ -667,22 +695,23 @@ static void
icon_theme_changed (KatzeThrobber* throbber)
{
if (throbber->icon_name)
pixbuf_assign_icon (&throbber->pixbuf, throbber->icon_name,
throbber);
pixbuf_assign_icon (&throbber->pixbuf,
throbber->icon_name, throbber);
if (throbber->static_icon_name)
pixbuf_assign_icon (&throbber->static_pixbuf, throbber->static_icon_name,
throbber);
pixbuf_assign_icon (&throbber->static_pixbuf,
throbber->static_icon_name, throbber);
else if (throbber->static_stock_id)
{
if (throbber->static_pixbuf)
g_object_unref (throbber->static_pixbuf);
katze_object_assign (throbber->static_pixbuf,
gtk_widget_render_icon (GTK_WIDGET (throbber),
throbber->static_stock_id,
throbber->icon_size,
NULL));
throbber->static_pixbuf = gtk_widget_render_icon (GTK_WIDGET (throbber),
throbber->static_stock_id,
throbber->icon_size,
NULL);
}
g_object_freeze_notify (G_OBJECT (throbber));
g_object_notify (G_OBJECT (throbber), "pixbuf");
g_object_notify (G_OBJECT (throbber), "static-pixbuf");
g_object_thaw_notify (G_OBJECT (throbber));
gtk_widget_queue_draw (GTK_WIDGET (throbber));
}
@ -765,8 +794,8 @@ katze_throbber_expose_event (GtkWidget* widget,
if (throbber->animated && !throbber->pixbuf && !throbber->icon_name)
return TRUE;
if (!throbber->animated &&
(throbber->static_pixbuf || throbber->static_icon_name || throbber->static_stock_id))
if (!throbber->animated && (throbber->static_pixbuf
|| throbber->static_icon_name || throbber->static_stock_id))
{
if (G_UNLIKELY (!throbber->static_pixbuf && throbber->static_icon_name))
{
@ -774,9 +803,10 @@ katze_throbber_expose_event (GtkWidget* widget,
if (!throbber->static_pixbuf)
{
g_warning ("Named icon '%s' couldn't be loaded",
g_warning (_("Named icon '%s' couldn't be loaded"),
throbber->static_icon_name);
katze_assign (throbber->static_icon_name, NULL);
g_object_notify (G_OBJECT (throbber), "static-icon-name");
return TRUE;
}
}
@ -786,9 +816,10 @@ katze_throbber_expose_event (GtkWidget* widget,
if (!throbber->static_pixbuf)
{
g_warning ("Stock icon '%s' couldn't be loaded",
g_warning (_("Stock icon '%s' couldn't be loaded"),
throbber->static_stock_id);
katze_assign (throbber->static_stock_id, NULL);
g_object_notify (G_OBJECT (throbber), "static-stock-id");
return TRUE;
}
}
@ -808,8 +839,9 @@ katze_throbber_expose_event (GtkWidget* widget,
if (!throbber->pixbuf)
{
g_warning ("Icon '%s' couldn't be loaded", throbber->icon_name);
g_warning (_("Icon '%s' couldn't be loaded"), throbber->icon_name);
katze_assign (throbber->icon_name, NULL);
g_object_notify (G_OBJECT (throbber), "icon-name");
return TRUE;
}
}
@ -839,9 +871,14 @@ katze_throbber_expose_event (GtkWidget* widget,
}
else
{
g_warning ("Animation frames are broken");
g_warning (_("Animation frames are broken"));
katze_assign (throbber->icon_name, NULL);
katze_object_assign (throbber->pixbuf, NULL);
g_object_freeze_notify (G_OBJECT (throbber));
g_object_notify (G_OBJECT (throbber), "icon-name");
g_object_notify (G_OBJECT (throbber), "pixbuf");
g_object_thaw_notify (G_OBJECT (throbber));
}
}