Pileus Git - ~andy/gtk/blob - gtk/gtkseparator.c

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   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.
   8  *
   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.
  13  *
  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.
  18  */
  19
  20 /*
  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/.
  25  */
  26
  27 #include "config.h"
  28
  29 #include "gtkorientable.h"
  30 #include "gtkseparator.h"
  31 #include "gtkprivate.h"
  32 #include "gtkintl.h"
  33 #include "gtkalias.h"
  34
  35
  36 enum {
  37   PROP_0,
  38   PROP_ORIENTATION
  39 };
  40
  41
  42 typedef struct _GtkSeparatorPrivate GtkSeparatorPrivate;
  43
  44 struct _GtkSeparatorPrivate
  45 {
  46   GtkOrientation orientation;
  47 };
  48
  49 #define GTK_SEPARATOR_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_SEPARATOR, GtkSeparatorPrivate))
  50
  51
  52 static void       gtk_separator_set_property (GObject        *object,
  53                                               guint           prop_id,
  54                                               const GValue   *value,
  55                                               GParamSpec     *pspec);
  56 static void       gtk_separator_get_property (GObject        *object,
  57                                               guint           prop_id,
  58                                               GValue         *value,
  59                                               GParamSpec     *pspec);
  60
  61 static void       gtk_separator_size_request (GtkWidget      *widget,
  62                                               GtkRequisition *requisition);
  63 static gboolean   gtk_separator_expose       (GtkWidget      *widget,
  64                                               GdkEventExpose *event);
  65
  66
  67 G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkSeparator, gtk_separator, GTK_TYPE_WIDGET,
  68                                   G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE,
  69                                                          NULL))
  70
  71
  72 static void
  73 gtk_separator_class_init (GtkSeparatorClass *class)
  74 {
  75   GObjectClass *object_class = G_OBJECT_CLASS (class);
  76   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
  77
  78   object_class->set_property = gtk_separator_set_property;
  79   object_class->get_property = gtk_separator_get_property;
  80
  81   widget_class->size_request = gtk_separator_size_request;
  82   widget_class->expose_event = gtk_separator_expose;
  83
  84   g_object_class_override_property (object_class,
  85                                     PROP_ORIENTATION,
  86                                     "orientation");
  87
  88   g_type_class_add_private (object_class, sizeof (GtkSeparatorPrivate));
  89 }
  90
  91 static void
  92 gtk_separator_init (GtkSeparator *separator)
  93 {
  94   GtkWidget *widget = GTK_WIDGET (separator);
  95   GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (separator);
  96
  97   gtk_widget_set_has_window (GTK_WIDGET (separator), FALSE);
  98
  99   private->orientation = GTK_ORIENTATION_HORIZONTAL;
 100
 101   widget->requisition.width  = 1;
 102   widget->requisition.height = widget->style->ythickness;
 103 }
 104
 105 static void
 106 gtk_separator_set_property (GObject      *object,
 107                             guint         prop_id,
 108                             const GValue *value,
 109                             GParamSpec   *pspec)
 110 {
 111   GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (object);
 112
 113   switch (prop_id)
 114     {
 115     case PROP_ORIENTATION:
 116       private->orientation = g_value_get_enum (value);
 117       gtk_widget_queue_resize (GTK_WIDGET (object));
 118       break;
 119     default:
 120       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 121       break;
 122     }
 123 }
 124
 125 static void
 126 gtk_separator_get_property (GObject    *object,
 127                             guint       prop_id,
 128                             GValue     *value,
 129                             GParamSpec *pspec)
 130 {
 131   GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (object);
 132
 133   switch (prop_id)
 134     {
 135     case PROP_ORIENTATION:
 136       g_value_set_enum (value, private->orientation);
 137       break;
 138     default:
 139       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 140       break;
 141     }
 142 }
 143
 144 static void
 145 gtk_separator_size_request (GtkWidget      *widget,
 146                             GtkRequisition *requisition)
 147 {
 148   GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (widget);
 149   gboolean wide_separators;
 150   gint     separator_width;
 151   gint     separator_height;
 152
 153   gtk_widget_style_get (widget,
 154                         "wide-separators",  &wide_separators,
 155                         "separator-width",  &separator_width,
 156                         "separator-height", &separator_height,
 157                         NULL);
 158
 159   requisition->width  = 1;
 160   requisition->height = 1;
 161
 162   if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
 163     {
 164       if (wide_separators)
 165         requisition->height = separator_height;
 166       else
 167         requisition->height = widget->style->ythickness;
 168     }
 169   else
 170     {
 171       if (wide_separators)
 172         requisition->width = separator_width;
 173       else
 174         requisition->width = widget->style->xthickness;
 175     }
 176 }
 177
 178 static gboolean
 179 gtk_separator_expose (GtkWidget      *widget,
 180                       GdkEventExpose *event)
 181 {
 182   GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (widget);
 183   gboolean wide_separators;
 184   gint     separator_width;
 185   gint     separator_height;
 186
 187   if (!gtk_widget_is_drawable (widget))
 188     return FALSE;
 189
 190   gtk_widget_style_get (widget,
 191                         "wide-separators",  &wide_separators,
 192                         "separator-width",  &separator_width,
 193                         "separator-height", &separator_height,
 194                         NULL);
 195
 196   if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
 197     {
 198       if (wide_separators)
 199         gtk_paint_box (widget->style, widget->window,
 200                        GTK_WIDGET_STATE (widget), GTK_SHADOW_ETCHED_OUT,
 201                        &event->area, widget, "hseparator",
 202                        widget->allocation.x,
 203                        widget->allocation.y + (widget->allocation.height -
 204                                                separator_height) / 2,
 205                        widget->allocation.width,
 206                        separator_height);
 207       else
 208         gtk_paint_hline (widget->style, widget->window,
 209                          GTK_WIDGET_STATE (widget),
 210                          &event->area, widget, "hseparator",
 211                          widget->allocation.x,
 212                          widget->allocation.x + widget->allocation.width - 1,
 213                          widget->allocation.y + (widget->allocation.height -
 214                                                  widget->style->ythickness) / 2);
 215     }
 216   else
 217     {
 218       if (wide_separators)
 219         gtk_paint_box (widget->style, widget->window,
 220                        GTK_WIDGET_STATE (widget), GTK_SHADOW_ETCHED_OUT,
 221                        &event->area, widget, "vseparator",
 222                        widget->allocation.x + (widget->allocation.width -
 223                                                separator_width) / 2,
 224                        widget->allocation.y,
 225                        separator_width,
 226                        widget->allocation.height);
 227       else
 228         gtk_paint_vline (widget->style, widget->window,
 229                          GTK_WIDGET_STATE (widget),
 230                          &event->area, widget, "vseparator",
 231                          widget->allocation.y,
 232                          widget->allocation.y + widget->allocation.height - 1,
 233                          widget->allocation.x + (widget->allocation.width -
 234                                                  widget->style->xthickness) / 2);
 235     }
 236
 237   return FALSE;
 238 }
 239
 240 #if 0
 241 /**
 242  * gtk_separator_new:
 243  * @orientation: the separator's orientation.
 244  *
 245  * Creates a new #GtkSeparator with the given orientation.
 246  *
 247  * Return value: a new #GtkSeparator.
 248  *
 249  * Since: 2.16
 250  **/
 251 GtkWidget *
 252 gtk_separator_new (GtkOrientation orientation)
 253 {
 254   return g_object_new (GTK_TYPE_SEPARATOR,
 255                        "orientation", orientation,
 256                        NULL);
 257 }
 258 #endif
 259
 260
 261 #define __GTK_SEPARATOR_C__
 262 #include "gtkaliasdef.c"