val-labs-dialog: Improve keyboard interface.
[pspp] / src / ui / gui / psppire-hbuttonbox.c
index 8b146a9bab1d528ca9fb1ed2c63c9d63a8aab0ca..93f8990e6f66f5ff8a275106d05d59dbc519691a 100644 (file)
@@ -1,33 +1,27 @@
-/*
-    PSPPIRE --- A Graphical User Interface for PSPP
-    Copyright (C) 2007  Free Software Foundation
+/* PSPPIRE - a graphical user interface for PSPP.
+   Copyright (C) 2007, 2010, 2011  Free Software Foundation
 
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-    This program 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 General Public License for more details.
+   This program 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 General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-    02110-1301, USA. */
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 
 #include <config.h>
 
 #include <glib.h>
 #include <gtk/gtk.h>
-#include <gtk/gtksignal.h>
 #include "psppire-hbuttonbox.h"
 #include "psppire-dialog.h"
 
-#include <gtk/gtkbbox.h>
-
 #include <gettext.h>
 
 #define _(msgid) gettext (msgid)
@@ -43,7 +37,33 @@ static void gtk_hbutton_box_size_allocate (GtkWidget      *widget,
                                           GtkAllocation  *allocation);
 
 
-static GtkButtonBoxStyle default_layout_style = GTK_BUTTONBOX_EDGE;
+static void
+psppire_hbutton_box_get_preferred_height (GtkWidget *widget,
+                                gint      *minimal_height,
+                                gint      *natural_height)
+{
+  GtkRequisition requisition;
+
+  gtk_hbutton_box_size_request (widget, &requisition);
+
+  *minimal_height = *natural_height = requisition.height;
+}
+
+
+static void
+psppire_hbutton_box_get_preferred_width (GtkWidget *widget,
+                                gint      *minimal_width,
+                                gint      *natural_width)
+{
+  GtkRequisition requisition;
+
+  gtk_hbutton_box_size_request (widget, &requisition);
+
+  *minimal_width = *natural_width = requisition.width;
+}
+
+
+
 
 GType
 psppire_hbutton_box_get_type (void)
@@ -79,7 +99,8 @@ psppire_hbuttonbox_class_init (PsppireHButtonBoxClass *class)
 
   widget_class = (GtkWidgetClass*) class;
 
-  widget_class->size_request = gtk_hbutton_box_size_request;
+  widget_class->get_preferred_width = psppire_hbutton_box_get_preferred_width;
+  widget_class->get_preferred_height = psppire_hbutton_box_get_preferred_height;
   widget_class->size_allocate = gtk_hbutton_box_size_allocate;
 }
 
@@ -120,9 +141,8 @@ gtk_hbutton_box_size_request (GtkWidget      *widget,
   box = GTK_BOX (widget);
   bbox = GTK_BUTTON_BOX (widget);
 
-  spacing = box->spacing;
-  layout = bbox->layout_style != GTK_BUTTONBOX_DEFAULT_STYLE
-         ? bbox->layout_style : default_layout_style;
+  spacing = gtk_box_get_spacing (box);
+  layout = gtk_button_box_get_layout (bbox) ;
 
   _psppire_button_box_child_requisition (widget,
                                      &nvis_children,
@@ -143,21 +163,19 @@ gtk_hbutton_box_size_request (GtkWidget      *widget,
       requisition->width =
              nvis_children*child_width + ((nvis_children+1)*spacing);
       break;
+    default:
     case GTK_BUTTONBOX_EDGE:
     case GTK_BUTTONBOX_START:
     case GTK_BUTTONBOX_END:
       requisition->width = nvis_children*child_width + ((nvis_children-1)*spacing);
       break;
-    default:
-      g_assert_not_reached();
-      break;
     }
 
     requisition->height = child_height;
   }
 
-  requisition->width += GTK_CONTAINER (box)->border_width * 2;
-  requisition->height += GTK_CONTAINER (box)->border_width * 2;
+  requisition->width += gtk_container_get_border_width (GTK_CONTAINER (box)) * 2;
+  requisition->height += gtk_container_get_border_width (GTK_CONTAINER (box)) * 2;
 }
 
 
@@ -168,7 +186,6 @@ gtk_hbutton_box_size_allocate (GtkWidget     *widget,
 {
   GtkBox *base_box;
   GtkButtonBox *box;
-  GtkBoxChild *child;
   GList *children;
   GtkAllocation child_allocation;
   gint nvis_children;
@@ -186,28 +203,28 @@ gtk_hbutton_box_size_allocate (GtkWidget     *widget,
 
   base_box = GTK_BOX (widget);
   box = GTK_BUTTON_BOX (widget);
-  spacing = base_box->spacing;
-  layout = box->layout_style != GTK_BUTTONBOX_DEFAULT_STYLE
-         ? box->layout_style : default_layout_style;
+  spacing = gtk_box_get_spacing (base_box);
+  layout = gtk_button_box_get_layout (box) ;
   _psppire_button_box_child_requisition (widget,
                                      &nvis_children,
                                     &n_secondaries,
                                      &child_width,
                                      &child_height);
-  widget->allocation = *allocation;
-  width = allocation->width - GTK_CONTAINER (box)->border_width*2;
+  gtk_widget_set_allocation (widget, allocation);
+  width = allocation->width - gtk_container_get_border_width (GTK_CONTAINER (box))*2;
   switch (layout)
   {
   case GTK_BUTTONBOX_SPREAD:
     childspacing = (width - (nvis_children * child_width)) / (nvis_children + 1);
-    x = allocation->x + GTK_CONTAINER (box)->border_width + childspacing;
+    x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (box)) + childspacing;
     secondary_x = x + ((nvis_children - n_secondaries) * (child_width + childspacing));
     break;
+  default:
   case GTK_BUTTONBOX_EDGE:
     if (nvis_children >= 2)
       {
        childspacing = (width - (nvis_children * child_width)) / (nvis_children - 1);
-       x = allocation->x + GTK_CONTAINER (box)->border_width;
+       x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (box));
        secondary_x = x + ((nvis_children - n_secondaries) * (child_width + childspacing));
       }
     else
@@ -219,22 +236,19 @@ gtk_hbutton_box_size_allocate (GtkWidget     *widget,
     break;
   case GTK_BUTTONBOX_START:
     childspacing = spacing;
-    x = allocation->x + GTK_CONTAINER (box)->border_width;
+    x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (box));
     secondary_x = allocation->x + allocation->width
       - child_width * n_secondaries
       - spacing * (n_secondaries - 1)
-      - GTK_CONTAINER (box)->border_width;
+      - gtk_container_get_border_width (GTK_CONTAINER (box));
     break;
   case GTK_BUTTONBOX_END:
     childspacing = spacing;
     x = allocation->x + allocation->width
       - child_width * (nvis_children - n_secondaries)
       - spacing * (nvis_children - n_secondaries - 1)
-      - GTK_CONTAINER (box)->border_width;
-    secondary_x = allocation->x + GTK_CONTAINER (box)->border_width;
-    break;
-  default:
-    g_assert_not_reached();
+      - gtk_container_get_border_width (GTK_CONTAINER (box));
+    secondary_x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (box));
     break;
   }
 
@@ -242,25 +256,29 @@ gtk_hbutton_box_size_allocate (GtkWidget     *widget,
   y = allocation->y + (allocation->height - child_height) / 2;
   childspace = child_width + childspacing;
 
-  children = GTK_BOX (box)->children;
+  children = gtk_container_get_children (GTK_CONTAINER (box));
 
   while (children)
     {
-      child = children->data;
+      GtkWidget *child = children->data;
       children = children->next;
 
-      if (GTK_WIDGET_VISIBLE (child->widget))
+      if (gtk_widget_get_visible (child))
        {
+          gboolean is_secondary = FALSE;
+          gtk_container_child_get (GTK_CONTAINER (box), child, "secondary", &is_secondary, NULL);
+
+
          child_allocation.width = child_width;
          child_allocation.height = child_height;
          child_allocation.y = y;
 
-         if (child->is_secondary)
-           {
+          if (is_secondary)
+            {
              child_allocation.x = secondary_x;
              secondary_x += childspace;
            }
-         else
+          else
            {
              child_allocation.x = x;
              x += childspace;
@@ -269,7 +287,7 @@ gtk_hbutton_box_size_allocate (GtkWidget     *widget,
          if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
            child_allocation.x = (allocation->x + allocation->width) - (child_allocation.x + child_width - allocation->x);
 
-         gtk_widget_size_allocate (child->widget, &child_allocation);
+         gtk_widget_size_allocate (child, &child_allocation);
        }
     }
 }