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Add a function to determine what parts of the model are visible. (#306726,

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2005-06-11  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtk.symbols:
	* gtk/gtkiconview.h:
	* gtk/gtkiconview.c (gtk_icon_view_get_visible_range):
	Add a function to determine what parts of the model are
	visible.  (#306726, Jonathan Blandford)
This commit is contained in:
Matthias Clasen 2005-06-11 05:15:10 +00:00 committed by Matthias Clasen
parent 9d274e0e56
commit 50830412b0
6 changed files with 78 additions and 0 deletions
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6
ChangeLog
View File

@ -1,5 +1,11 @@
2005-06-11 Matthias Clasen <mclasen@redhat.com>
* gtk/gtk.symbols:
* gtk/gtkiconview.h:
* gtk/gtkiconview.c (gtk_icon_view_get_visible_range):
Add a function to determine what parts of the model are
visible. (#306726, Jonathan Blandford)
* gtk/gtkfilesystemunix.c (create_file_info): Treat backup
files the same way as hidden files, to be closer to what
Nautilus does. (#136196, Sean Middleditch)

6
ChangeLog.pre-2-10
View File

@ -1,5 +1,11 @@
2005-06-11 Matthias Clasen <mclasen@redhat.com>
* gtk/gtk.symbols:
* gtk/gtkiconview.h:
* gtk/gtkiconview.c (gtk_icon_view_get_visible_range):
Add a function to determine what parts of the model are
visible. (#306726, Jonathan Blandford)
* gtk/gtkfilesystemunix.c (create_file_info): Treat backup
files the same way as hidden files, to be closer to what
Nautilus does. (#136196, Sean Middleditch)

6
ChangeLog.pre-2-8
View File

@ -1,5 +1,11 @@
2005-06-11 Matthias Clasen <mclasen@redhat.com>
* gtk/gtk.symbols:
* gtk/gtkiconview.h:
* gtk/gtkiconview.c (gtk_icon_view_get_visible_range):
Add a function to determine what parts of the model are
visible. (#306726, Jonathan Blandford)
* gtk/gtkfilesystemunix.c (create_file_info): Treat backup
files the same way as hidden files, to be closer to what
Nautilus does. (#136196, Sean Middleditch)

1
gtk/gtk.symbols
View File

@ -1675,6 +1675,7 @@ gtk_icon_view_get_selection_mode
gtk_icon_view_get_spacing
gtk_icon_view_get_text_column
gtk_icon_view_get_type G_GNUC_CONST
gtk_icon_view_get_visible_range
gtk_icon_view_item_activated
gtk_icon_view_new
gtk_icon_view_new_with_model

56
gtk/gtkiconview.c
View File

@ -4373,6 +4373,62 @@ gtk_icon_view_get_item_at_pos (GtkIconView *icon_view,
return (item != NULL);
}
/**
* gtk_icon_view_get_visible_range:
* @icon_view: A #GtkIconView
* @start_path: Return location for start of region, or %NULL
* @end_path: Return location for end of region, or %NULL
*
* Sets @start_path and @end_path to be the first and last visible path.
* Note that there may be invisible paths in between.
*
* Return value: %TRUE, if valid paths were placed in @start_path and @end_path
*
* Since: 2.8
**/
gboolean
gtk_icon_view_get_visible_range (GtkIconView *icon_view,
GtkTreePath **start_path,
GtkTreePath **end_path)
{
gint start_index = -1;
gint end_index = -1;
GtkIconViewItem *item;
GList *icons;
g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), FALSE);
if (icon_view->priv->hadjustment == NULL ||
icon_view->priv->vadjustment == NULL)
return FALSE;
if (start_path == NULL && end_path == NULL)
return FALSE;
for (icons = icon_view->priv->items; icons; icons = icons->next)
{
GtkIconViewItem *item = icons->data;
if ((item->x + item->width >= (int)icon_view->priv->hadjustment->value) &&
(item->y + item->height >= (int)icon_view->priv->vadjustment->value) &&
(item->x <= (int) (icon_view->priv->hadjustment->value + icon_view->priv->hadjustment->page_size)) &&
(item->y <= (int) (icon_view->priv->vadjustment->value + icon_view->priv->vadjustment->page_size)))
{
if (start_index == -1)
start_index = item->index;
end_index = item->index;
}
}
if (start_path && start_index != -1)
*start_path = gtk_tree_path_new_from_indices (start_index, -1);
if (end_path && end_index != -1)
*end_path = gtk_tree_path_new_from_indices (end_index, -1);
return start_index != -1;
}
/**
* gtk_icon_view_selected_foreach:
* @icon_view: A #GtkIconView.

3
gtk/gtkiconview.h
View File

@ -129,6 +129,9 @@ gboolean gtk_icon_view_get_item_at_pos (GtkIconView *icon_view,
gint y,
GtkTreePath **path,
GtkCellRenderer **cell);
gboolean gtk_icon_view_get_visible_range (GtkIconView *icon_view,
GtkTreePath **start_path,
GtkTreePath **end_path);
void gtk_icon_view_selected_foreach (GtkIconView *icon_view,
GtkIconViewForeachFunc func,