1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28 #include "gtkcontainer.h"
31 #include "gtkprivate.h"
43 static void gtk_misc_realize (GtkWidget *widget);
44 static void gtk_misc_set_property (GObject *object,
48 static void gtk_misc_get_property (GObject *object,
54 G_DEFINE_ABSTRACT_TYPE (GtkMisc, gtk_misc, GTK_TYPE_WIDGET)
57 gtk_misc_class_init (GtkMiscClass *class)
59 GObjectClass *gobject_class;
60 GtkWidgetClass *widget_class;
62 gobject_class = G_OBJECT_CLASS (class);
63 widget_class = (GtkWidgetClass*) class;
65 gobject_class->set_property = gtk_misc_set_property;
66 gobject_class->get_property = gtk_misc_get_property;
68 widget_class->realize = gtk_misc_realize;
70 g_object_class_install_property (gobject_class,
72 g_param_spec_float ("xalign",
74 P_("The horizontal alignment, from 0 (left) to 1 (right). Reversed for RTL layouts."),
78 GTK_PARAM_READWRITE));
80 g_object_class_install_property (gobject_class,
82 g_param_spec_float ("yalign",
84 P_("The vertical alignment, from 0 (top) to 1 (bottom)"),
88 GTK_PARAM_READWRITE));
90 g_object_class_install_property (gobject_class,
92 g_param_spec_int ("xpad",
94 P_("The amount of space to add on the left and right of the widget, in pixels"),
98 GTK_PARAM_READWRITE));
100 g_object_class_install_property (gobject_class,
102 g_param_spec_int ("ypad",
104 P_("The amount of space to add on the top and bottom of the widget, in pixels"),
108 GTK_PARAM_READWRITE));
112 gtk_misc_init (GtkMisc *misc)
121 gtk_misc_set_property (GObject *object,
128 misc = GTK_MISC (object);
133 gtk_misc_set_alignment (misc, g_value_get_float (value), misc->yalign);
136 gtk_misc_set_alignment (misc, misc->xalign, g_value_get_float (value));
139 gtk_misc_set_padding (misc, g_value_get_int (value), misc->ypad);
142 gtk_misc_set_padding (misc, misc->xpad, g_value_get_int (value));
145 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
151 gtk_misc_get_property (GObject *object,
158 misc = GTK_MISC (object);
163 g_value_set_float (value, misc->xalign);
166 g_value_set_float (value, misc->yalign);
169 g_value_set_int (value, misc->xpad);
172 g_value_set_int (value, misc->ypad);
175 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
181 gtk_misc_set_alignment (GtkMisc *misc,
187 g_return_if_fail (GTK_IS_MISC (misc));
191 else if (xalign > 1.0)
196 else if (yalign > 1.0)
199 if ((xalign != misc->xalign) || (yalign != misc->yalign))
201 g_object_freeze_notify (G_OBJECT (misc));
202 if (xalign != misc->xalign)
203 g_object_notify (G_OBJECT (misc), "xalign");
205 if (yalign != misc->yalign)
206 g_object_notify (G_OBJECT (misc), "yalign");
208 misc->xalign = xalign;
209 misc->yalign = yalign;
211 /* clear the area that was allocated before the change
213 widget = GTK_WIDGET (misc);
214 if (gtk_widget_is_drawable (widget))
215 gtk_widget_queue_draw (widget);
217 g_object_thaw_notify (G_OBJECT (misc));
222 * gtk_misc_get_alignment:
224 * @xalign: (allow-none): location to store X alignment of @misc, or %NULL
225 * @yalign: (allow-none): location to store Y alignment of @misc, or %NULL
227 * Gets the X and Y alignment of the widget within its allocation.
228 * See gtk_misc_set_alignment().
231 gtk_misc_get_alignment (GtkMisc *misc,
235 g_return_if_fail (GTK_IS_MISC (misc));
238 *xalign = misc->xalign;
240 *yalign = misc->yalign;
244 gtk_misc_set_padding (GtkMisc *misc,
248 GtkRequisition *requisition;
250 g_return_if_fail (GTK_IS_MISC (misc));
257 if ((xpad != misc->xpad) || (ypad != misc->ypad))
259 g_object_freeze_notify (G_OBJECT (misc));
260 if (xpad != misc->xpad)
261 g_object_notify (G_OBJECT (misc), "xpad");
263 if (ypad != misc->ypad)
264 g_object_notify (G_OBJECT (misc), "ypad");
266 requisition = &(GTK_WIDGET (misc)->requisition);
267 requisition->width -= misc->xpad * 2;
268 requisition->height -= misc->ypad * 2;
273 requisition->width += misc->xpad * 2;
274 requisition->height += misc->ypad * 2;
276 if (gtk_widget_is_drawable (GTK_WIDGET (misc)))
277 gtk_widget_queue_resize (GTK_WIDGET (misc));
279 g_object_thaw_notify (G_OBJECT (misc));
284 * gtk_misc_get_padding:
286 * @xpad: (allow-none): location to store padding in the X direction, or %NULL
287 * @ypad: (allow-none): location to store padding in the Y direction, or %NULL
289 * Gets the padding in the X and Y directions of the widget.
290 * See gtk_misc_set_padding().
293 gtk_misc_get_padding (GtkMisc *misc,
297 g_return_if_fail (GTK_IS_MISC (misc));
306 gtk_misc_realize (GtkWidget *widget)
308 GdkWindowAttr attributes;
309 gint attributes_mask;
311 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
313 if (!gtk_widget_get_has_window (widget))
315 widget->window = gtk_widget_get_parent_window (widget);
316 g_object_ref (widget->window);
317 widget->style = gtk_style_attach (widget->style, widget->window);
321 attributes.window_type = GDK_WINDOW_CHILD;
322 attributes.x = widget->allocation.x;
323 attributes.y = widget->allocation.y;
324 attributes.width = widget->allocation.width;
325 attributes.height = widget->allocation.height;
326 attributes.wclass = GDK_INPUT_OUTPUT;
327 attributes.visual = gtk_widget_get_visual (widget);
328 attributes.colormap = gtk_widget_get_colormap (widget);
329 attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
330 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
332 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
333 gdk_window_set_user_data (widget->window, widget);
335 widget->style = gtk_style_attach (widget->style, widget->window);
336 gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
340 #define __GTK_MISC_C__
341 #include "gtkaliasdef.c"