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gtk2/gtk/gtkmisc.c
Pavel Holejsovsky 6e178a69fc [GI] Add missing (out) and (array) annotations 
Backported from master commit 2fb1c064.
2011-03-16 10:45:35 +01:00

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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 "gtkcontainer.h"
#include "gtkmisc.h"
#include "gtkintl.h"
#include "gtkprivate.h"
#include "gtkalias.h"
enum {
PROP_0,
PROP_XALIGN,
PROP_YALIGN,
PROP_XPAD,
PROP_YPAD
};
static void gtk_misc_realize (GtkWidget *widget);
static void gtk_misc_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_misc_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
G_DEFINE_ABSTRACT_TYPE (GtkMisc, gtk_misc, GTK_TYPE_WIDGET)
static void
gtk_misc_class_init (GtkMiscClass *class)
{
GObjectClass *gobject_class;
GtkWidgetClass *widget_class;
gobject_class = G_OBJECT_CLASS (class);
widget_class = (GtkWidgetClass*) class;
gobject_class->set_property = gtk_misc_set_property;
gobject_class->get_property = gtk_misc_get_property;
widget_class->realize = gtk_misc_realize;
g_object_class_install_property (gobject_class,
PROP_XALIGN,
g_param_spec_float ("xalign",
P_("X align"),
P_("The horizontal alignment, from 0 (left) to 1 (right). Reversed for RTL layouts."),
0.0,
1.0,
0.5,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_YALIGN,
g_param_spec_float ("yalign",
P_("Y align"),
P_("The vertical alignment, from 0 (top) to 1 (bottom)"),
0.0,
1.0,
0.5,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_XPAD,
g_param_spec_int ("xpad",
P_("X pad"),
P_("The amount of space to add on the left and right of the widget, in pixels"),
0,
G_MAXINT,
0,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_YPAD,
g_param_spec_int ("ypad",
P_("Y pad"),
P_("The amount of space to add on the top and bottom of the widget, in pixels"),
0,
G_MAXINT,
0,
GTK_PARAM_READWRITE));
}
static void
gtk_misc_init (GtkMisc *misc)
{
misc->xalign = 0.5;
misc->yalign = 0.5;
misc->xpad = 0;
misc->ypad = 0;
}
static void
gtk_misc_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkMisc *misc;
misc = GTK_MISC (object);
switch (prop_id)
{
case PROP_XALIGN:
gtk_misc_set_alignment (misc, g_value_get_float (value), misc->yalign);
break;
case PROP_YALIGN:
gtk_misc_set_alignment (misc, misc->xalign, g_value_get_float (value));
break;
case PROP_XPAD:
gtk_misc_set_padding (misc, g_value_get_int (value), misc->ypad);
break;
case PROP_YPAD:
gtk_misc_set_padding (misc, misc->xpad, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_misc_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkMisc *misc;
misc = GTK_MISC (object);
switch (prop_id)
{
case PROP_XALIGN:
g_value_set_float (value, misc->xalign);
break;
case PROP_YALIGN:
g_value_set_float (value, misc->yalign);
break;
case PROP_XPAD:
g_value_set_int (value, misc->xpad);
break;
case PROP_YPAD:
g_value_set_int (value, misc->ypad);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
void
gtk_misc_set_alignment (GtkMisc *misc,
gfloat xalign,
gfloat yalign)
{
GtkWidget *widget;
g_return_if_fail (GTK_IS_MISC (misc));
if (xalign < 0.0)
xalign = 0.0;
else if (xalign > 1.0)
xalign = 1.0;
if (yalign < 0.0)
yalign = 0.0;
else if (yalign > 1.0)
yalign = 1.0;
if ((xalign != misc->xalign) || (yalign != misc->yalign))
{
g_object_freeze_notify (G_OBJECT (misc));
if (xalign != misc->xalign)
g_object_notify (G_OBJECT (misc), "xalign");
if (yalign != misc->yalign)
g_object_notify (G_OBJECT (misc), "yalign");
misc->xalign = xalign;
misc->yalign = yalign;
/* clear the area that was allocated before the change
*/
widget = GTK_WIDGET (misc);
if (gtk_widget_is_drawable (widget))
gtk_widget_queue_draw (widget);
g_object_thaw_notify (G_OBJECT (misc));
}
}
/**
* gtk_misc_get_alignment:
* @misc: a #GtkMisc
* @xalign: (out) (allow-none): location to store X alignment of @misc, or %NULL
* @yalign: (out) (allow-none): location to store Y alignment of @misc, or %NULL
*
* Gets the X and Y alignment of the widget within its allocation.
* See gtk_misc_set_alignment().
**/
void
gtk_misc_get_alignment (GtkMisc *misc,
gfloat *xalign,
gfloat *yalign)
{
g_return_if_fail (GTK_IS_MISC (misc));
if (xalign)
*xalign = misc->xalign;
if (yalign)
*yalign = misc->yalign;
}
void
gtk_misc_set_padding (GtkMisc *misc,
gint xpad,
gint ypad)
{
GtkRequisition *requisition;
g_return_if_fail (GTK_IS_MISC (misc));
if (xpad < 0)
xpad = 0;
if (ypad < 0)
ypad = 0;
if ((xpad != misc->xpad) || (ypad != misc->ypad))
{
g_object_freeze_notify (G_OBJECT (misc));
if (xpad != misc->xpad)
g_object_notify (G_OBJECT (misc), "xpad");
if (ypad != misc->ypad)
g_object_notify (G_OBJECT (misc), "ypad");
requisition = &(GTK_WIDGET (misc)->requisition);
requisition->width -= misc->xpad * 2;
requisition->height -= misc->ypad * 2;
misc->xpad = xpad;
misc->ypad = ypad;
requisition->width += misc->xpad * 2;
requisition->height += misc->ypad * 2;
if (gtk_widget_is_drawable (GTK_WIDGET (misc)))
gtk_widget_queue_resize (GTK_WIDGET (misc));
g_object_thaw_notify (G_OBJECT (misc));
}
}
/**
* gtk_misc_get_padding:
* @misc: a #GtkMisc
* @xpad: (out) (allow-none): location to store padding in the X
* direction, or %NULL
* @ypad: (out) (allow-none): location to store padding in the Y
* direction, or %NULL
*
* Gets the padding in the X and Y directions of the widget.
* See gtk_misc_set_padding().
**/
void
gtk_misc_get_padding (GtkMisc *misc,
gint *xpad,
gint *ypad)
{
g_return_if_fail (GTK_IS_MISC (misc));
if (xpad)
*xpad = misc->xpad;
if (ypad)
*ypad = misc->ypad;
}
static void
gtk_misc_realize (GtkWidget *widget)
{
GdkWindowAttr attributes;
gint attributes_mask;
gtk_widget_set_realized (widget, TRUE);
if (!gtk_widget_get_has_window (widget))
{
widget->window = gtk_widget_get_parent_window (widget);
g_object_ref (widget->window);
widget->style = gtk_style_attach (widget->style, widget->window);
}
else
{
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
gdk_window_set_user_data (widget->window, widget);
widget->style = gtk_style_attach (widget->style, widget->window);
gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
}
}
#define __GTK_MISC_C__
#include "gtkaliasdef.c"
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