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Notify the "active" property of the spinner only when needed

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Notify spinner::active only if it really changed an other cosmetic fixes
This commit is contained in:
Paolo Borelli 2009-10-15 13:59:01 +02:00
parent 7d6a0f348a
commit 10a53ff12e
2 changed files with 81 additions and 59 deletions
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138
gtk/gtkspinner.c
View File

@ -91,7 +91,8 @@ static void gtk_spinner_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_spinner_set_active (GtkSpinner *spinner,
gboolean active);
static AtkObject *gtk_spinner_get_accessible (GtkWidget *widget);
static GType gtk_spinner_accessible_get_type (void);
@ -173,7 +174,7 @@ gtk_spinner_get_property (GObject *object,
{
GtkSpinnerPrivate *priv;
priv = GTK_SPINNER_GET_PRIVATE (object);
priv = GTK_SPINNER (object)->priv;
switch (param_id)
{
@ -194,10 +195,7 @@ gtk_spinner_set_property (GObject *object,
switch (param_id)
{
case PROP_ACTIVE:
if (g_value_get_boolean (value))
gtk_spinner_start (GTK_SPINNER (object));
else
gtk_spinner_stop (GTK_SPINNER (object));
gtk_spinner_set_active (GTK_SPINNER (object), g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
@ -213,6 +211,8 @@ gtk_spinner_init (GtkSpinner *spinner)
priv->current = 0;
priv->timeout = 0;
spinner->priv = priv;
GTK_WIDGET_SET_FLAGS (GTK_WIDGET (spinner), GTK_NO_WINDOW);
}
@ -223,7 +223,7 @@ gtk_spinner_expose (GtkWidget *widget, GdkEventExpose *event)
GtkSpinnerPrivate *priv;
int width, height;
priv = GTK_SPINNER_GET_PRIVATE (widget);
priv = GTK_SPINNER (widget)->priv;
width = widget->allocation.width;
height = widget->allocation.height;
@ -245,17 +245,55 @@ gtk_spinner_expose (GtkWidget *widget, GdkEventExpose *event)
return FALSE;
}
static gboolean
gtk_spinner_timeout (gpointer data)
{
GtkSpinnerPrivate *priv;
priv = GTK_SPINNER (data)->priv;
if (priv->current + 1 >= priv->num_steps)
priv->current = 0;
else
priv->current++;
gtk_widget_queue_draw (GTK_WIDGET (data));
return TRUE;
}
static void
gtk_spinner_add_timeout (GtkSpinner *spinner)
{
GtkSpinnerPrivate *priv;
priv = spinner->priv;
priv->timeout = gdk_threads_add_timeout ((guint) priv->cycle_duration / priv->num_steps, gtk_spinner_timeout, spinner);
}
static void
gtk_spinner_remove_timeout (GtkSpinner *spinner)
{
GtkSpinnerPrivate *priv;
priv = spinner->priv;
g_source_remove (priv->timeout);
priv->timeout = 0;
}
static void
gtk_spinner_realize (GtkWidget *widget)
{
GtkSpinnerPrivate *priv;
priv = GTK_SPINNER_GET_PRIVATE (widget);
priv = GTK_SPINNER (widget)->priv;
GTK_WIDGET_CLASS (gtk_spinner_parent_class)->realize (widget);
if (priv->active)
gtk_spinner_start (GTK_SPINNER (widget));
gtk_spinner_add_timeout (GTK_SPINNER (widget));
}
static void
@ -263,12 +301,11 @@ gtk_spinner_unrealize (GtkWidget *widget)
{
GtkSpinnerPrivate *priv;
priv = GTK_SPINNER_GET_PRIVATE (widget);
priv = GTK_SPINNER (widget)->priv;
if (priv->timeout != 0)
{
g_source_remove (priv->timeout);
priv->timeout = 0;
gtk_spinner_remove_timeout (GTK_SPINNER (widget));
}
GTK_WIDGET_CLASS (gtk_spinner_parent_class)->unrealize (widget);
@ -281,7 +318,7 @@ gtk_spinner_screen_changed (GtkWidget* widget, GdkScreen* old_screen)
GdkScreen* new_screen;
GdkColormap* colormap;
spinner = GTK_SPINNER(widget);
spinner = GTK_SPINNER (widget);
new_screen = gtk_widget_get_screen (widget);
colormap = gdk_screen_get_rgba_colormap (new_screen);
@ -300,7 +337,7 @@ gtk_spinner_style_set (GtkWidget *widget,
{
GtkSpinnerPrivate *priv;
priv = GTK_SPINNER_GET_PRIVATE (widget);
priv = GTK_SPINNER (widget)->priv;
gtk_widget_style_get (GTK_WIDGET (widget),
"num-steps", &(priv->num_steps),
@ -311,38 +348,46 @@ gtk_spinner_style_set (GtkWidget *widget,
priv->current = 0;
}
static gboolean
gtk_spinner_timeout (gpointer data)
{
GtkSpinnerPrivate *priv;
priv = GTK_SPINNER_GET_PRIVATE (data);
if (priv->current + 1 >= priv->num_steps)
priv->current = 0;
else
priv->current++;
gtk_widget_queue_draw (GTK_WIDGET (data));
return TRUE;
}
static void
gtk_spinner_dispose (GObject *gobject)
{
GtkSpinnerPrivate *priv;
priv = GTK_SPINNER_GET_PRIVATE (gobject);
priv = GTK_SPINNER (gobject)->priv;
if (priv->timeout != 0)
{
g_source_remove (priv->timeout);
priv->timeout = 0;
gtk_spinner_remove_timeout (GTK_SPINNER (gobject));
}
G_OBJECT_CLASS (gtk_spinner_parent_class)->dispose (gobject);
}
static void
gtk_spinner_set_active (GtkSpinner *spinner, gboolean active)
{
GtkSpinnerPrivate *priv;
active = active != FALSE;
priv = GTK_SPINNER (spinner)->priv;
if (priv->active != active)
{
priv->active = active;
g_object_notify (G_OBJECT (spinner), "active");
if (active && GTK_WIDGET_REALIZED (GTK_WIDGET (spinner)) && priv->timeout == 0)
{
gtk_spinner_add_timeout (spinner);
}
else if (!active && priv->timeout != 0)
{
gtk_spinner_remove_timeout (spinner);
}
}
}
static GType
gtk_spinner_accessible_factory_get_accessible_type (void)
{
@ -559,21 +604,9 @@ gtk_spinner_new (void)
void
gtk_spinner_start (GtkSpinner *spinner)
{
GtkSpinnerPrivate *priv;
g_return_if_fail (GTK_IS_SPINNER (spinner));
priv = GTK_SPINNER_GET_PRIVATE (spinner);
priv->active = TRUE;
g_object_notify (G_OBJECT (spinner), "active");
if (priv->timeout != 0)
return;
if (!GTK_WIDGET_REALIZED (GTK_WIDGET (spinner)))
return;
priv->timeout = gdk_threads_add_timeout ((guint) priv->cycle_duration / priv->num_steps, gtk_spinner_timeout, spinner);
gtk_spinner_set_active (spinner, TRUE);
}
/**
@ -587,20 +620,9 @@ gtk_spinner_start (GtkSpinner *spinner)
void
gtk_spinner_stop (GtkSpinner *spinner)
{
GtkSpinnerPrivate *priv;
g_return_if_fail (GTK_IS_SPINNER (spinner));
priv = GTK_SPINNER_GET_PRIVATE (spinner);
priv->active = FALSE;
g_object_notify (G_OBJECT (spinner), "active");
if (priv->timeout == 0)
return;
g_source_remove (priv->timeout);
priv->timeout = 0;
gtk_spinner_set_active (spinner, FALSE);
}
#define __GTK_SPINNER_C__

2
gtk/gtkspinner.h
View File

@ -47,12 +47,12 @@ typedef struct _GtkSpinnerPrivate GtkSpinnerPrivate;
struct _GtkSpinner
{
GtkDrawingArea parent;
GtkSpinnerPrivate *priv;
};
struct _GtkSpinnerClass
{
GtkDrawingAreaClass parent_class;
GtkSpinnerPrivate *priv;
};
GType gtk_spinner_get_type (void) G_GNUC_CONST;