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Bug 643805 - Allow GtkExpander to resize the toplevel upon expanding/collpasing

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Add gtk_expander_get,set_resize_toplevel() and a "resize-toplevel"
property.
This commit is contained in:
Michael Natterer
2011-03-21 20:57:43 +01:00
parent 9a0700e20c
commit 41810b46e7
2 changed files with 138 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

111
gtk/gtkexpander.c
View File

@ -128,7 +128,8 @@ enum
PROP_USE_MARKUP,
PROP_SPACING,
PROP_LABEL_WIDGET,
PROP_LABEL_FILL
PROP_LABEL_FILL,
PROP_RESIZE_TOPLEVEL
};
struct _GtkExpanderPrivate
@ -145,6 +146,7 @@ struct _GtkExpanderPrivate
guint button_down : 1;
guint prelight : 1;
guint label_fill : 1;
guint resize_toplevel : 1;
};
static void gtk_expander_set_property (GObject *object,
@ -331,6 +333,22 @@ gtk_expander_class_init (GtkExpanderClass *klass)
FALSE,
GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
/**
* GtkExpander:resize-toplevel:
*
* When this property is %TRUE, the expander will resize the toplevel
* widget containing the expander upon expanding and collapsing.
*
* Since: 3.2
*/
g_object_class_install_property (gobject_class,
PROP_RESIZE_TOPLEVEL,
g_param_spec_boolean ("resize-toplevel",
P_("Resize tolevel"),
P_("Whether the expander will resize the toplevel window upon expanding and collapsing"),
FALSE,
GTK_PARAM_READWRITE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("expander-size",
P_("Expander Size"),
@ -382,6 +400,7 @@ gtk_expander_init (GtkExpander *expander)
priv->prelight = FALSE;
priv->label_fill = FALSE;
priv->expand_timer = 0;
priv->resize_toplevel = 0;
gtk_drag_dest_set (GTK_WIDGET (expander), 0, NULL, 0, 0);
gtk_drag_dest_set_track_motion (GTK_WIDGET (expander), TRUE);
@ -438,6 +457,9 @@ gtk_expander_set_property (GObject *object,
case PROP_LABEL_FILL:
gtk_expander_set_label_fill (expander, g_value_get_boolean (value));
break;
case PROP_RESIZE_TOPLEVEL:
gtk_expander_set_resize_toplevel (expander, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -478,6 +500,9 @@ gtk_expander_get_property (GObject *object,
case PROP_LABEL_FILL:
g_value_set_boolean (value, priv->label_fill);
break;
case PROP_RESIZE_TOPLEVEL:
g_value_set_boolean (value, gtk_expander_get_resize_toplevel (expander));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1275,6 +1300,47 @@ get_next_site (GtkExpander *expander,
return FOCUS_NONE;
}
static void
gtk_expander_resize_toplevel (GtkExpander *expander)
{
GtkExpanderPrivate *priv = expander->priv;
GtkWidget *child = gtk_bin_get_child (GTK_BIN (expander));
if (child && priv->resize_toplevel &&
gtk_widget_get_realized (GTK_WIDGET (expander)))
{
GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (expander));
if (toplevel && gtk_widget_get_realized (toplevel))
{
GtkAllocation toplevel_allocation;
gtk_widget_get_allocation (toplevel, &toplevel_allocation);
if (priv->expanded)
{
GtkRequisition child_requisition;
gtk_widget_get_preferred_size (child, &child_requisition, NULL);
toplevel_allocation.height += child_requisition.height;
}
else
{
GtkAllocation child_allocation;
gtk_widget_get_allocation (child, &child_allocation);
toplevel_allocation.height -= child_allocation.height;
}
gtk_window_resize (GTK_WINDOW (toplevel),
toplevel_allocation.width,
toplevel_allocation.height);
}
}
}
static gboolean
gtk_expander_focus (GtkWidget *widget,
GtkDirectionType direction)
@ -1668,6 +1734,7 @@ gtk_expander_set_expanded (GtkExpander *expander,
{
gtk_widget_set_child_visible (child, priv->expanded);
gtk_widget_queue_resize (widget);
gtk_expander_resize_toplevel (expander);
}
g_object_notify (G_OBJECT (expander), "expanded");
@ -2048,3 +2115,45 @@ gtk_expander_get_label_fill (GtkExpander *expander)
return expander->priv->label_fill;
}
/**
* gtk_expander_set_resize_toplevel:
* @expander: a #GtkExpander
* @resize_toplevel: whether to resize the toplevel
*
* Sets whether the expander will resize the toplevel widget
* containing the expander upon resizing and collpasing.
*
* Since: 3.2
*/
void
gtk_expander_set_resize_toplevel (GtkExpander *expander,
gboolean resize_toplevel)
{
g_return_if_fail (GTK_IS_EXPANDER (expander));
if (expander->priv->resize_toplevel != resize_toplevel)
{
expander->priv->resize_toplevel = resize_toplevel ? TRUE : FALSE;
g_object_notify (G_OBJECT (expander), "resize-toplevel");
}
}
/**
* gtk_expander_get_resize_toplevel:
* @expander: a #GtkExpander
*
* Returns whether the expander will resize the toplevel widget
* containing the expander upon resizing and collpasing.
*
* Return value: the "resize toplevel" setting.
*
* Since: 3.2
*/
gboolean
gtk_expander_get_resize_toplevel (GtkExpander *expander)
{
g_return_val_if_fail (GTK_IS_EXPANDER (expander), FALSE);
return expander->priv->resize_toplevel;
}

52
gtk/gtkexpander.h
View File

@ -66,38 +66,42 @@ struct _GtkExpanderClass
void (*_gtk_reserved4) (void);
};
GType gtk_expander_get_type (void) G_GNUC_CONST;
GType gtk_expander_get_type (void) G_GNUC_CONST;
GtkWidget *gtk_expander_new (const gchar *label);
GtkWidget *gtk_expander_new_with_mnemonic (const gchar *label);
GtkWidget *gtk_expander_new (const gchar *label);
GtkWidget *gtk_expander_new_with_mnemonic (const gchar *label);
void gtk_expander_set_expanded (GtkExpander *expander,
gboolean expanded);
gboolean gtk_expander_get_expanded (GtkExpander *expander);
void gtk_expander_set_expanded (GtkExpander *expander,
gboolean expanded);
gboolean gtk_expander_get_expanded (GtkExpander *expander);
/* Spacing between the expander/label and the child */
void gtk_expander_set_spacing (GtkExpander *expander,
gint spacing);
gint gtk_expander_get_spacing (GtkExpander *expander);
void gtk_expander_set_spacing (GtkExpander *expander,
gint spacing);
gint gtk_expander_get_spacing (GtkExpander *expander);
void gtk_expander_set_label (GtkExpander *expander,
const gchar *label);
G_CONST_RETURN gchar *gtk_expander_get_label (GtkExpander *expander);
void gtk_expander_set_label (GtkExpander *expander,
const gchar *label);
G_CONST_RETURN gchar *gtk_expander_get_label (GtkExpander *expander);
void gtk_expander_set_use_underline (GtkExpander *expander,
gboolean use_underline);
gboolean gtk_expander_get_use_underline (GtkExpander *expander);
void gtk_expander_set_use_underline (GtkExpander *expander,
gboolean use_underline);
gboolean gtk_expander_get_use_underline (GtkExpander *expander);
void gtk_expander_set_use_markup (GtkExpander *expander,
gboolean use_markup);
gboolean gtk_expander_get_use_markup (GtkExpander *expander);
void gtk_expander_set_use_markup (GtkExpander *expander,
gboolean use_markup);
gboolean gtk_expander_get_use_markup (GtkExpander *expander);
void gtk_expander_set_label_widget (GtkExpander *expander,
GtkWidget *label_widget);
GtkWidget *gtk_expander_get_label_widget (GtkExpander *expander);
void gtk_expander_set_label_fill (GtkExpander *expander,
gboolean label_fill);
gboolean gtk_expander_get_label_fill (GtkExpander *expander);
void gtk_expander_set_label_widget (GtkExpander *expander,
GtkWidget *label_widget);
GtkWidget *gtk_expander_get_label_widget (GtkExpander *expander);
void gtk_expander_set_label_fill (GtkExpander *expander,
gboolean label_fill);
gboolean gtk_expander_get_label_fill (GtkExpander *expander);
void gtk_expander_set_resize_toplevel (GtkExpander *expander,
gboolean resize_toplevel);
gboolean gtk_expander_get_resize_toplevel (GtkExpander *expander);
G_END_DECLS