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gtk2/gtk/gtkframe.c
Havoc Pennington c29f0a1392 Fix more SizeRequest implementations to avoid recursive calls to wrapper API 
GtkFrame, GtkComboBox, GtkExpander, GtkMenu, GtkWrapBox

These are all the examples I could find so far.

https://bugzilla.gnome.org/show_bug.cgi?id=628829
2010-09-12 21:47:10 -04:00

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that 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 library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <string.h>
#include "gtkframe.h"
#include "gtklabel.h"
#include "gtkprivate.h"
#include "gtkintl.h"
#include "gtkbuildable.h"
#include "gtksizerequest.h"
#define LABEL_PAD 1
#define LABEL_SIDE_PAD 2
struct _GtkFramePrivate
{
/* Properties */
GtkWidget *label_widget;
gint16 shadow_type;
gfloat label_xalign;
gfloat label_yalign;
/* Properties */
GtkAllocation child_allocation;
GtkAllocation label_allocation;
};
enum {
PROP_0,
PROP_LABEL,
PROP_LABEL_XALIGN,
PROP_LABEL_YALIGN,
PROP_SHADOW_TYPE,
PROP_LABEL_WIDGET
};
static void gtk_frame_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_frame_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec);
static void gtk_frame_paint (GtkWidget *widget,
GdkRectangle *area);
static gint gtk_frame_expose (GtkWidget *widget,
GdkEventExpose *event);
static void gtk_frame_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_frame_remove (GtkContainer *container,
GtkWidget *child);
static void gtk_frame_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static void gtk_frame_compute_child_allocation (GtkFrame *frame,
GtkAllocation *child_allocation);
static void gtk_frame_real_compute_child_allocation (GtkFrame *frame,
GtkAllocation *child_allocation);
/* GtkBuildable */
static void gtk_frame_buildable_init (GtkBuildableIface *iface);
static void gtk_frame_buildable_add_child (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
const gchar *type);
static void gtk_frame_size_request_init (GtkSizeRequestIface *iface);
static void gtk_frame_get_width (GtkSizeRequest *widget,
gint *minimum_size,
gint *natural_size);
static void gtk_frame_get_height (GtkSizeRequest *widget,
gint *minimum_size,
gint *natural_size);
static void gtk_frame_get_height_for_width (GtkSizeRequest *layout,
gint width,
gint *minimum_height,
gint *natural_height);
static void gtk_frame_get_width_for_height (GtkSizeRequest *layout,
gint width,
gint *minimum_height,
gint *natural_height);
G_DEFINE_TYPE_WITH_CODE (GtkFrame, gtk_frame, GTK_TYPE_BIN,
G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
gtk_frame_buildable_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_SIZE_REQUEST,
gtk_frame_size_request_init))
static void
gtk_frame_class_init (GtkFrameClass *class)
{
GObjectClass *gobject_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
gobject_class = (GObjectClass*) class;
widget_class = GTK_WIDGET_CLASS (class);
container_class = GTK_CONTAINER_CLASS (class);
gobject_class->set_property = gtk_frame_set_property;
gobject_class->get_property = gtk_frame_get_property;
g_object_class_install_property (gobject_class,
PROP_LABEL,
g_param_spec_string ("label",
P_("Label"),
P_("Text of the frame's label"),
NULL,
GTK_PARAM_READABLE |
GTK_PARAM_WRITABLE));
g_object_class_install_property (gobject_class,
PROP_LABEL_XALIGN,
g_param_spec_float ("label-xalign",
P_("Label xalign"),
P_("The horizontal alignment of the label"),
0.0,
1.0,
0.0,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_LABEL_YALIGN,
g_param_spec_float ("label-yalign",
P_("Label yalign"),
P_("The vertical alignment of the label"),
0.0,
1.0,
0.5,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_SHADOW_TYPE,
g_param_spec_enum ("shadow-type",
P_("Frame shadow"),
P_("Appearance of the frame border"),
GTK_TYPE_SHADOW_TYPE,
GTK_SHADOW_ETCHED_IN,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_LABEL_WIDGET,
g_param_spec_object ("label-widget",
P_("Label widget"),
P_("A widget to display in place of the usual frame label"),
GTK_TYPE_WIDGET,
GTK_PARAM_READWRITE));
widget_class->expose_event = gtk_frame_expose;
widget_class->size_allocate = gtk_frame_size_allocate;
container_class->remove = gtk_frame_remove;
container_class->forall = gtk_frame_forall;
class->compute_child_allocation = gtk_frame_real_compute_child_allocation;
g_type_class_add_private (class, sizeof (GtkFramePrivate));
}
static void
gtk_frame_buildable_init (GtkBuildableIface *iface)
{
iface->add_child = gtk_frame_buildable_add_child;
}
static void
gtk_frame_buildable_add_child (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
const gchar *type)
{
if (type && strcmp (type, "label") == 0)
gtk_frame_set_label_widget (GTK_FRAME (buildable), GTK_WIDGET (child));
else if (!type)
gtk_container_add (GTK_CONTAINER (buildable), GTK_WIDGET (child));
else
GTK_BUILDER_WARN_INVALID_CHILD_TYPE (GTK_FRAME (buildable), type);
}
static void
gtk_frame_init (GtkFrame *frame)
{
GtkFramePrivate *priv;
frame->priv = G_TYPE_INSTANCE_GET_PRIVATE (frame,
GTK_TYPE_FRAME,
GtkFramePrivate);
priv = frame->priv;
priv->label_widget = NULL;
priv->shadow_type = GTK_SHADOW_ETCHED_IN;
priv->label_xalign = 0.0;
priv->label_yalign = 0.5;
}
static void
gtk_frame_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkFrame *frame = GTK_FRAME (object);
GtkFramePrivate *priv = frame->priv;
switch (prop_id)
{
case PROP_LABEL:
gtk_frame_set_label (frame, g_value_get_string (value));
break;
case PROP_LABEL_XALIGN:
gtk_frame_set_label_align (frame, g_value_get_float (value),
priv->label_yalign);
break;
case PROP_LABEL_YALIGN:
gtk_frame_set_label_align (frame, priv->label_xalign,
g_value_get_float (value));
break;
case PROP_SHADOW_TYPE:
gtk_frame_set_shadow_type (frame, g_value_get_enum (value));
break;
case PROP_LABEL_WIDGET:
gtk_frame_set_label_widget (frame, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_frame_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkFrame *frame = GTK_FRAME (object);
GtkFramePrivate *priv = frame->priv;
switch (prop_id)
{
case PROP_LABEL:
g_value_set_string (value, gtk_frame_get_label (frame));
break;
case PROP_LABEL_XALIGN:
g_value_set_float (value, priv->label_xalign);
break;
case PROP_LABEL_YALIGN:
g_value_set_float (value, priv->label_yalign);
break;
case PROP_SHADOW_TYPE:
g_value_set_enum (value, priv->shadow_type);
break;
case PROP_LABEL_WIDGET:
g_value_set_object (value,
priv->label_widget ?
G_OBJECT (priv->label_widget) : NULL);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/**
* gtk_frame_new:
* @label: the text to use as the label of the frame
*
* Creates a new #GtkFrame, with optional label @label.
* If @label is %NULL, the label is omitted.
*
* Return value: a new #GtkFrame widget
**/
GtkWidget*
gtk_frame_new (const gchar *label)
{
return g_object_new (GTK_TYPE_FRAME, "label", label, NULL);
}
static void
gtk_frame_remove (GtkContainer *container,
GtkWidget *child)
{
GtkFrame *frame = GTK_FRAME (container);
GtkFramePrivate *priv = frame->priv;
if (priv->label_widget == child)
gtk_frame_set_label_widget (frame, NULL);
else
GTK_CONTAINER_CLASS (gtk_frame_parent_class)->remove (container, child);
}
static void
gtk_frame_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
GtkBin *bin = GTK_BIN (container);
GtkFrame *frame = GTK_FRAME (container);
GtkFramePrivate *priv = frame->priv;
GtkWidget *child;
child = gtk_bin_get_child (bin);
if (child)
(* callback) (child, callback_data);
if (priv->label_widget)
(* callback) (priv->label_widget, callback_data);
}
/**
* gtk_frame_set_label:
* @frame: a #GtkFrame
* @label: (allow-none): the text to use as the label of the frame
*
* Sets the text of the label. If @label is %NULL,
* the current label is removed.
**/
void
gtk_frame_set_label (GtkFrame *frame,
const gchar *label)
{
g_return_if_fail (GTK_IS_FRAME (frame));
if (!label)
{
gtk_frame_set_label_widget (frame, NULL);
}
else
{
GtkWidget *child = gtk_label_new (label);
gtk_widget_show (child);
gtk_frame_set_label_widget (frame, child);
}
}
/**
* gtk_frame_get_label:
* @frame: a #GtkFrame
*
* If the frame's label widget is a #GtkLabel, returns the
* text in the label widget. (The frame will have a #GtkLabel
* for the label widget if a non-%NULL argument was passed
* to gtk_frame_new().)
*
* Return value: the text in the label, or %NULL if there
* was no label widget or the lable widget was not
* a #GtkLabel. This string is owned by GTK+ and
* must not be modified or freed.
**/
G_CONST_RETURN gchar *
gtk_frame_get_label (GtkFrame *frame)
{
GtkFramePrivate *priv;
g_return_val_if_fail (GTK_IS_FRAME (frame), NULL);
priv = frame->priv;
if (GTK_IS_LABEL (priv->label_widget))
return gtk_label_get_text (GTK_LABEL (priv->label_widget));
else
return NULL;
}
/**
* gtk_frame_set_label_widget:
* @frame: a #GtkFrame
* @label_widget: the new label widget
*
* Sets the label widget for the frame. This is the widget that
* will appear embedded in the top edge of the frame as a
* title.
**/
void
gtk_frame_set_label_widget (GtkFrame *frame,
GtkWidget *label_widget)
{
GtkFramePrivate *priv;
gboolean need_resize = FALSE;
g_return_if_fail (GTK_IS_FRAME (frame));
g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget));
g_return_if_fail (label_widget == NULL || gtk_widget_get_parent (label_widget) == NULL);
priv = frame->priv;
if (priv->label_widget == label_widget)
return;
if (priv->label_widget)
{
need_resize = gtk_widget_get_visible (priv->label_widget);
gtk_widget_unparent (priv->label_widget);
}
priv->label_widget = label_widget;
if (label_widget)
{
priv->label_widget = label_widget;
gtk_widget_set_parent (label_widget, GTK_WIDGET (frame));
need_resize |= gtk_widget_get_visible (label_widget);
}
if (gtk_widget_get_visible (GTK_WIDGET (frame)) && need_resize)
gtk_widget_queue_resize (GTK_WIDGET (frame));
g_object_freeze_notify (G_OBJECT (frame));
g_object_notify (G_OBJECT (frame), "label-widget");
g_object_notify (G_OBJECT (frame), "label");
g_object_thaw_notify (G_OBJECT (frame));
}
/**
* gtk_frame_get_label_widget:
* @frame: a #GtkFrame
*
* Retrieves the label widget for the frame. See
* gtk_frame_set_label_widget().
*
* Return value: the label widget, or %NULL if there is none.
**/
GtkWidget *
gtk_frame_get_label_widget (GtkFrame *frame)
{
g_return_val_if_fail (GTK_IS_FRAME (frame), NULL);
return frame->priv->label_widget;
}
/**
* gtk_frame_set_label_align:
* @frame: a #GtkFrame
* @xalign: The position of the label along the top edge
* of the widget. A value of 0.0 represents left alignment;
* 1.0 represents right alignment.
* @yalign: The y alignment of the label. A value of 0.0 aligns under
* the frame; 1.0 aligns above the frame. If the values are exactly
* 0.0 or 1.0 the gap in the frame won't be painted because the label
* will be completely above or below the frame.
*
* Sets the alignment of the frame widget's label. The
* default values for a newly created frame are 0.0 and 0.5.
**/
void
gtk_frame_set_label_align (GtkFrame *frame,
gfloat xalign,
gfloat yalign)
{
GtkFramePrivate *priv;
g_return_if_fail (GTK_IS_FRAME (frame));
priv = frame->priv;
xalign = CLAMP (xalign, 0.0, 1.0);
yalign = CLAMP (yalign, 0.0, 1.0);
g_object_freeze_notify (G_OBJECT (frame));
if (xalign != priv->label_xalign)
{
priv->label_xalign = xalign;
g_object_notify (G_OBJECT (frame), "label-xalign");
}
if (yalign != priv->label_yalign)
{
priv->label_yalign = yalign;
g_object_notify (G_OBJECT (frame), "label-yalign");
}
g_object_thaw_notify (G_OBJECT (frame));
gtk_widget_queue_resize (GTK_WIDGET (frame));
}
/**
* gtk_frame_get_label_align:
* @frame: a #GtkFrame
* @xalign: (allow-none): location to store X alignment of frame's label, or %NULL
* @yalign: (allow-none): location to store X alignment of frame's label, or %NULL
*
* Retrieves the X and Y alignment of the frame's label. See
* gtk_frame_set_label_align().
**/
void
gtk_frame_get_label_align (GtkFrame *frame,
gfloat *xalign,
gfloat *yalign)
{
GtkFramePrivate *priv;
g_return_if_fail (GTK_IS_FRAME (frame));
priv = frame->priv;
if (xalign)
*xalign = priv->label_xalign;
if (yalign)
*yalign = priv->label_yalign;
}
/**
* gtk_frame_set_shadow_type:
* @frame: a #GtkFrame
* @type: the new #GtkShadowType
*
* Sets the shadow type for @frame.
**/
void
gtk_frame_set_shadow_type (GtkFrame *frame,
GtkShadowType type)
{
GtkFramePrivate *priv;
GtkWidget *widget;
g_return_if_fail (GTK_IS_FRAME (frame));
priv = frame->priv;
if ((GtkShadowType) priv->shadow_type != type)
{
widget = GTK_WIDGET (frame);
priv->shadow_type = type;
g_object_notify (G_OBJECT (frame), "shadow-type");
if (gtk_widget_is_drawable (widget))
{
gtk_widget_queue_draw (widget);
}
gtk_widget_queue_resize (widget);
}
}
/**
* gtk_frame_get_shadow_type:
* @frame: a #GtkFrame
*
* Retrieves the shadow type of the frame. See
* gtk_frame_set_shadow_type().
*
* Return value: the current shadow type of the frame.
**/
GtkShadowType
gtk_frame_get_shadow_type (GtkFrame *frame)
{
g_return_val_if_fail (GTK_IS_FRAME (frame), GTK_SHADOW_ETCHED_IN);
return frame->priv->shadow_type;
}
static void
gtk_frame_paint (GtkWidget *widget,
GdkRectangle *area)
{
GtkFrame *frame;
GtkFramePrivate *priv;
GtkStateType state;
GtkStyle *style;
GdkWindow *window;
gint x, y, width, height;
if (gtk_widget_is_drawable (widget))
{
frame = GTK_FRAME (widget);
priv = frame->priv;
style = gtk_widget_get_style (widget);
window = gtk_widget_get_window (widget);
state = gtk_widget_get_state (widget);
x = priv->child_allocation.x - style->xthickness;
y = priv->child_allocation.y - style->ythickness;
width = priv->child_allocation.width + 2 * style->xthickness;
height = priv->child_allocation.height + 2 * style->ythickness;
if (priv->label_widget)
{
gfloat xalign;
gint height_extra;
gint x2;
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
xalign = priv->label_xalign;
else
xalign = 1 - priv->label_xalign;
height_extra = MAX (0, priv->label_allocation.height - style->ythickness)
- priv->label_yalign * priv->label_allocation.height;
y -= height_extra;
height += height_extra;
x2 = style->xthickness + (priv->child_allocation.width - priv->label_allocation.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_SIDE_PAD;
/* If the label is completely over or under the frame we can omit the gap */
if (priv->label_yalign == 0.0 || priv->label_yalign == 1.0)
gtk_paint_shadow (style, window,
state, priv->shadow_type,
area, widget, "frame",
x, y, width, height);
else
gtk_paint_shadow_gap (style, window,
state, priv->shadow_type,
area, widget, "frame",
x, y, width, height,
GTK_POS_TOP,
x2, priv->label_allocation.width + 2 * LABEL_PAD);
}
else
gtk_paint_shadow (style, window,
state, priv->shadow_type,
area, widget, "frame",
x, y, width, height);
}
}
static gboolean
gtk_frame_expose (GtkWidget *widget,
GdkEventExpose *event)
{
if (gtk_widget_is_drawable (widget))
{
gtk_frame_paint (widget, &event->area);
GTK_WIDGET_CLASS (gtk_frame_parent_class)->expose_event (widget, event);
}
return FALSE;
}
static void
gtk_frame_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkFrame *frame = GTK_FRAME (widget);
GtkFramePrivate *priv = frame->priv;
GtkBin *bin = GTK_BIN (widget);
GtkAllocation new_allocation;
GtkWidget *child;
gtk_widget_set_allocation (widget, allocation);
gtk_frame_compute_child_allocation (frame, &new_allocation);
/* If the child allocation changed, that means that the frame is drawn
* in a new place, so we must redraw the entire widget.
*/
if (gtk_widget_get_mapped (widget))
{
gdk_window_invalidate_rect (gtk_widget_get_window (widget), allocation, FALSE);
}
child = gtk_bin_get_child (bin);
if (child && gtk_widget_get_visible (child))
gtk_widget_size_allocate (child, &new_allocation);
priv->child_allocation = new_allocation;
if (priv->label_widget && gtk_widget_get_visible (priv->label_widget))
{
GtkStyle *style;
gint nat_width, width, height;
gfloat xalign;
style = gtk_widget_get_style (widget);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
xalign = priv->label_xalign;
else
xalign = 1 - priv->label_xalign;
gtk_size_request_get_width (GTK_SIZE_REQUEST (priv->label_widget), NULL, &nat_width);
width = new_allocation.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD;
width = MIN (width, nat_width);
gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (priv->label_widget), width,
&height, NULL);
priv->label_allocation.x = priv->child_allocation.x + LABEL_SIDE_PAD +
(new_allocation.width - width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_PAD;
priv->label_allocation.width = width;
priv->label_allocation.y = priv->child_allocation.y - MAX (height, style->ythickness);
priv->label_allocation.height = height;
gtk_widget_size_allocate (priv->label_widget, &priv->label_allocation);
}
}
static void
gtk_frame_compute_child_allocation (GtkFrame *frame,
GtkAllocation *child_allocation)
{
g_return_if_fail (GTK_IS_FRAME (frame));
g_return_if_fail (child_allocation != NULL);
GTK_FRAME_GET_CLASS (frame)->compute_child_allocation (frame, child_allocation);
}
static void
gtk_frame_real_compute_child_allocation (GtkFrame *frame,
GtkAllocation *child_allocation)
{
GtkFramePrivate *priv = frame->priv;
GtkWidget *widget = GTK_WIDGET (frame);
GtkAllocation allocation;
GtkStyle *style;
gint top_margin;
guint border_width;
style = gtk_widget_get_style (widget);
gtk_widget_get_allocation (widget, &allocation);
border_width = gtk_container_get_border_width (GTK_CONTAINER (frame));
if (priv->label_widget)
{
gint nat_width, width, height;
gtk_size_request_get_width (GTK_SIZE_REQUEST (priv->label_widget), NULL, &nat_width);
width = allocation.width;
width -= 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD;
width -= (border_width + style->xthickness) * 2;
width = MIN (width, nat_width);
gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (priv->label_widget), width,
&height, NULL);
top_margin = MAX (height, style->ythickness);
}
else
top_margin = style->ythickness;
child_allocation->x = border_width + style->xthickness;
child_allocation->y = border_width + top_margin;
child_allocation->width = MAX (1, (gint) allocation.width - child_allocation->x * 2);
child_allocation->height = MAX (1, ((gint) allocation.height - child_allocation->y -
border_width - (gint) style->ythickness));
child_allocation->x += allocation.x;
child_allocation->y += allocation.y;
}
static void
gtk_frame_get_size (GtkSizeRequest *request,
GtkOrientation orientation,
gint *minimum_size,
gint *natural_size)
{
GtkFrame *frame = GTK_FRAME (request);
GtkFramePrivate *priv = frame->priv;
GtkStyle *style;
GtkWidget *widget = GTK_WIDGET (request);
GtkWidget *child;
GtkBin *bin = GTK_BIN (widget);
gint child_min, child_nat;
gint minimum, natural;
guint border_width;
style = gtk_widget_get_style (widget);
if (priv->label_widget && gtk_widget_get_visible (priv->label_widget))
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
gtk_size_request_get_width (GTK_SIZE_REQUEST (priv->label_widget),
&child_min, &child_nat);
minimum = child_min + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD;
natural = child_nat + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD;
}
else
{
gtk_size_request_get_height (GTK_SIZE_REQUEST (priv->label_widget),
&child_min, &child_nat);
minimum = MAX (0, child_min - style->ythickness);
natural = MAX (0, child_nat - style->ythickness);
}
}
else
{
minimum = 0;
natural = 0;
}
child = gtk_bin_get_child (bin);
if (child && gtk_widget_get_visible (child))
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
gtk_size_request_get_width (GTK_SIZE_REQUEST (child),
&child_min, &child_nat);
minimum = MAX (minimum, child_min);
natural = MAX (natural, child_nat);
}
else
{
gtk_size_request_get_height (GTK_SIZE_REQUEST (child),
&child_min, &child_nat);
minimum += child_min;
natural += child_nat;
}
}
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
minimum += (border_width + style->xthickness) * 2;
natural += (border_width + style->xthickness) * 2;
}
else
{
minimum += (border_width + style->ythickness) * 2;
natural += (border_width + style->ythickness) * 2;
}
if (minimum_size)
*minimum_size = minimum;
if (natural_size)
*natural_size = natural;
}
static void
gtk_frame_get_width (GtkSizeRequest *widget,
gint *minimum_size,
gint *natural_size)
{
gtk_frame_get_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size);
}
static void
gtk_frame_get_height (GtkSizeRequest *widget,
gint *minimum_size,
gint *natural_size)
{
gtk_frame_get_size (widget, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size);
}
static void
gtk_frame_get_height_for_width (GtkSizeRequest *request,
gint width,
gint *minimum_height,
gint *natural_height)
{
GtkWidget *widget = GTK_WIDGET (request);
GtkWidget *child;
GtkFrame *frame = GTK_FRAME (widget);
GtkFramePrivate *priv = frame->priv;
GtkBin *bin = GTK_BIN (widget);
GtkStyle *style;
gint child_min, child_nat, label_width;
gint minimum, natural;
guint border_width;
style = gtk_widget_get_style (widget);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
minimum = (border_width + style->ythickness) * 2;
natural = (border_width + style->ythickness) * 2;
width -= (border_width + style->xthickness) * 2;
label_width = width - 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD;
if (priv->label_widget && gtk_widget_get_visible (priv->label_widget))
{
gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (priv->label_widget),
label_width, &child_min, &child_nat);
minimum += child_min;
natural += child_nat;
}
child = gtk_bin_get_child (bin);
if (child && gtk_widget_get_visible (child))
{
gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (child),
width, &child_min, &child_nat);
minimum += child_min;
natural += child_nat;
}
if (minimum_height)
*minimum_height = minimum;
if (natural_height)
*natural_height = natural;
}
static void
gtk_frame_get_width_for_height (GtkSizeRequest *widget,
gint height,
gint *minimum_width,
gint *natural_width)
{
GTK_SIZE_REQUEST_GET_IFACE (widget)->get_width (widget, minimum_width, natural_width);
}
static void
gtk_frame_size_request_init (GtkSizeRequestIface *iface)
{
iface->get_width = gtk_frame_get_width;
iface->get_height = gtk_frame_get_height;
iface->get_height_for_width = gtk_frame_get_height_for_width;
iface->get_width_for_height = gtk_frame_get_width_for_height;
}
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