gtk2/gtk/gtkmisc.c

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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
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* 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.
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*
* 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.
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*/
/*
* 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>
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#include "gtkcontainer.h"
#include "gtkmisc.h"
#include "gtkintl.h"
#include "gtkprivate.h"
#include "gtkalias.h"
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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);
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G_DEFINE_ABSTRACT_TYPE (GtkMisc, gtk_misc, GTK_TYPE_WIDGET)
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static void
gtk_misc_class_init (GtkMiscClass *class)
{
GObjectClass *gobject_class;
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GtkWidgetClass *widget_class;
gobject_class = G_OBJECT_CLASS (class);
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widget_class = (GtkWidgetClass*) class;
gobject_class->set_property = gtk_misc_set_property;
gobject_class->get_property = gtk_misc_get_property;
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widget_class->realize = gtk_misc_realize;
g_object_class_install_property (gobject_class,
PROP_XALIGN,
g_param_spec_float ("xalign",
P_("X align"),
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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));
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}
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)
{
call the base class init fucntions from all parent types upon class Sun Jun 28 04:29:10 1998 Tim Janik <timj@gtk.org> * gtk/gtktypeutils.c (gtk_type_class_init): call the base class init fucntions from all parent types upon class initialization. * gtk/gtkcontainer.c: (gtk_container_get_type): announce gtk_container_base_class_init to the type system. (gtk_container_base_class_init): new function to feature base class initialization. (gtk_container_get_child_arg): (gtk_container_set_child_arg): call the GtkContainerClass get_child_arg and set_child_arg methods of the class indicated through the argument name. * gtk/gtkobject.c: (gtk_object_base_class_init): new function to feature base class initialization. (gtk_object_init_type): announce gtk_object_base_class_init to the type system. (gtk_object_class_init): setup the get_arg and set_arg pointers for GtkObjectClass. (gtk_object_setv): (gtk_object_getv): call the GtkObjectClass get_arg and set_arg methods, instead of bothering the type system with this. * gtk/gtkaccellabel.c: * gtk/gtkbutton.c: * gtk/gtkradiobutton.c: * gtk/gtktable.c: * gtk/gtktogglebutton.c: * gtk/gtktipsquery.c: * gtk/gtkbox.c: * gtk/gtkpacker.c: * gtk/gtkwidget.c: * gtk/gtkwindow.c: * gtk/gtkframe.c: * gtk/gtkmisc.c: * gtk/gtklabel.c: set the object_class->{g|s}et_arg pointers to the corresponding gtk_*_{g|s]et_arg functions and updated the gtk_*_get_type functions wrt GtkTypeInfo initialization. changed a lot of the set/get arg functions to take a GtkObject argument. gtk/gtkadjustment.c: gtk/gtkalignment.c: gtk/gtkarrow.c: gtk/gtkaspectframe.c: gtk/gtkbbox.c: gtk/gtkbin.c: gtk/gtkcheckbutton.c: gtk/gtkcheckmenuitem.c: gtk/gtkclist.c: gtk/gtkcolorsel.c: gtk/gtkcombo.c: gtk/gtkctree.c: gtk/gtkcurve.c: gtk/gtkdata.c: gtk/gtkdialog.c: gtk/gtkdrawingarea.c: gtk/gtkeditable.c: gtk/gtkentry.c: gtk/gtkeventbox.c: gtk/gtkfilesel.c: gtk/gtkfixed.c: gtk/gtkfontsel.c: gtk/gtkgamma.c: gtk/gtkhandlebox.c: gtk/gtkhbbox.c: gtk/gtkhbox.c: gtk/gtkhpaned.c: gtk/gtkhruler.c: gtk/gtkhscale.c: gtk/gtkhscrollbar.c: gtk/gtkhseparator.c: gtk/gtkimage.c: gtk/gtkinputdialog.c: gtk/gtkitem.c: gtk/gtkitemfactory.c: gtk/gtklist.c: gtk/gtklistitem.c: gtk/gtkmenu.c: gtk/gtkmenubar.c: gtk/gtkmenuitem.c: gtk/gtkmenushell.c: gtk/gtknotebook.c: gtk/gtkoptionmenu.c: gtk/gtkpaned.c: gtk/gtkpixmap.c: gtk/gtkpreview.c: gtk/gtkprogressbar.c: gtk/gtkradiomenuitem.c: gtk/gtkrange.c: gtk/gtkruler.c: gtk/gtkscale.c: gtk/gtkscrollbar.c: gtk/gtkscrolledwindow.c: gtk/gtkseparator.c: gtk/gtkspinbutton.c: gtk/gtkstatusbar.c: gtk/gtktext.c: gtk/gtktoolbar.c: gtk/gtktooltips.c: gtk/gtktree.c: gtk/gtktreeitem.c: gtk/gtkvbbox.c: gtk/gtkvbox.c: gtk/gtkviewport.c: gtk/gtkvpaned.c: gtk/gtkvruler.c: gtk/gtkvscale.c: gtk/gtkvscrollbar.c: gtk/gtkvseparator.c: updated the GtkTypeInfo initialization code to match the modified GtkTypeInfo structure.
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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)
{
call the base class init fucntions from all parent types upon class Sun Jun 28 04:29:10 1998 Tim Janik <timj@gtk.org> * gtk/gtktypeutils.c (gtk_type_class_init): call the base class init fucntions from all parent types upon class initialization. * gtk/gtkcontainer.c: (gtk_container_get_type): announce gtk_container_base_class_init to the type system. (gtk_container_base_class_init): new function to feature base class initialization. (gtk_container_get_child_arg): (gtk_container_set_child_arg): call the GtkContainerClass get_child_arg and set_child_arg methods of the class indicated through the argument name. * gtk/gtkobject.c: (gtk_object_base_class_init): new function to feature base class initialization. (gtk_object_init_type): announce gtk_object_base_class_init to the type system. (gtk_object_class_init): setup the get_arg and set_arg pointers for GtkObjectClass. (gtk_object_setv): (gtk_object_getv): call the GtkObjectClass get_arg and set_arg methods, instead of bothering the type system with this. * gtk/gtkaccellabel.c: * gtk/gtkbutton.c: * gtk/gtkradiobutton.c: * gtk/gtktable.c: * gtk/gtktogglebutton.c: * gtk/gtktipsquery.c: * gtk/gtkbox.c: * gtk/gtkpacker.c: * gtk/gtkwidget.c: * gtk/gtkwindow.c: * gtk/gtkframe.c: * gtk/gtkmisc.c: * gtk/gtklabel.c: set the object_class->{g|s}et_arg pointers to the corresponding gtk_*_{g|s]et_arg functions and updated the gtk_*_get_type functions wrt GtkTypeInfo initialization. changed a lot of the set/get arg functions to take a GtkObject argument. gtk/gtkadjustment.c: gtk/gtkalignment.c: gtk/gtkarrow.c: gtk/gtkaspectframe.c: gtk/gtkbbox.c: gtk/gtkbin.c: gtk/gtkcheckbutton.c: gtk/gtkcheckmenuitem.c: gtk/gtkclist.c: gtk/gtkcolorsel.c: gtk/gtkcombo.c: gtk/gtkctree.c: gtk/gtkcurve.c: gtk/gtkdata.c: gtk/gtkdialog.c: gtk/gtkdrawingarea.c: gtk/gtkeditable.c: gtk/gtkentry.c: gtk/gtkeventbox.c: gtk/gtkfilesel.c: gtk/gtkfixed.c: gtk/gtkfontsel.c: gtk/gtkgamma.c: gtk/gtkhandlebox.c: gtk/gtkhbbox.c: gtk/gtkhbox.c: gtk/gtkhpaned.c: gtk/gtkhruler.c: gtk/gtkhscale.c: gtk/gtkhscrollbar.c: gtk/gtkhseparator.c: gtk/gtkimage.c: gtk/gtkinputdialog.c: gtk/gtkitem.c: gtk/gtkitemfactory.c: gtk/gtklist.c: gtk/gtklistitem.c: gtk/gtkmenu.c: gtk/gtkmenubar.c: gtk/gtkmenuitem.c: gtk/gtkmenushell.c: gtk/gtknotebook.c: gtk/gtkoptionmenu.c: gtk/gtkpaned.c: gtk/gtkpixmap.c: gtk/gtkpreview.c: gtk/gtkprogressbar.c: gtk/gtkradiomenuitem.c: gtk/gtkrange.c: gtk/gtkruler.c: gtk/gtkscale.c: gtk/gtkscrollbar.c: gtk/gtkscrolledwindow.c: gtk/gtkseparator.c: gtk/gtkspinbutton.c: gtk/gtkstatusbar.c: gtk/gtktext.c: gtk/gtktoolbar.c: gtk/gtktooltips.c: gtk/gtktree.c: gtk/gtktreeitem.c: gtk/gtkvbbox.c: gtk/gtkvbox.c: gtk/gtkviewport.c: gtk/gtkvpaned.c: gtk/gtkvruler.c: gtk/gtkvscale.c: gtk/gtkvscrollbar.c: gtk/gtkvseparator.c: updated the GtkTypeInfo initialization code to match the modified GtkTypeInfo structure.
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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;
}
}
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void
gtk_misc_set_alignment (GtkMisc *misc,
gfloat xalign,
gfloat yalign)
{
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");
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misc->xalign = xalign;
misc->yalign = yalign;
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/* clear the area that was allocated before the change
*/
if (GTK_WIDGET_DRAWABLE (misc))
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{
GtkWidget *widget;
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widget = GTK_WIDGET (misc);
gtk_widget_queue_draw (widget);
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}
g_object_thaw_notify (G_OBJECT (misc));
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}
}
/**
* gtk_misc_get_alignment:
* @misc: a #GtkMisc
* @xalign: location to store X alignment of @misc, or %NULL
* @yalign: 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;
}
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void
gtk_misc_set_padding (GtkMisc *misc,
gint xpad,
gint ypad)
{
GtkRequisition *requisition;
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g_return_if_fail (GTK_IS_MISC (misc));
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if (xpad < 0)
xpad = 0;
if (ypad < 0)
ypad = 0;
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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");
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requisition = &(GTK_WIDGET (misc)->requisition);
requisition->width -= misc->xpad * 2;
requisition->height -= misc->ypad * 2;
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misc->xpad = xpad;
misc->ypad = ypad;
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requisition->width += misc->xpad * 2;
requisition->height += misc->ypad * 2;
if (GTK_WIDGET_DRAWABLE (misc))
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gtk_widget_queue_resize (GTK_WIDGET (misc));
g_object_thaw_notify (G_OBJECT (misc));
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}
}
/**
* gtk_misc_get_padding:
* @misc: a #GtkMisc
* @xpad: location to store padding in the X direction, or %NULL
* @ypad: 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;
}
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static void
gtk_misc_realize (GtkWidget *widget)
{
GdkWindowAttr attributes;
gint attributes_mask;
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
if (GTK_WIDGET_NO_WINDOW (widget))
{
widget->window = gtk_widget_get_parent_window (widget);
g_object_ref (widget->window);
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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);
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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"