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Add a new boolean property ::hover-expand and make the treeview

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2004-08-02  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtktreeview.h:
	* gtk/gtktreeview.c:
	* gtk/gtktreeprivate.h: Add a new boolean property
	::hover-expand and make the treeview expand/collapse rows
	on mouseover if it is set.
This commit is contained in:
Matthias Clasen 2004-08-02 19:11:32 +00:00 committed by Matthias Clasen
parent b9c686ad9e
commit d4853eb883
7 changed files with 157 additions and 4 deletions
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6
ChangeLog
View File

@ -1,5 +1,11 @@
2004-08-02 Matthias Clasen <mclasen@redhat.com>
* gtk/gtktreeview.h:
* gtk/gtktreeview.c:
* gtk/gtktreeprivate.h: Add a new boolean property
::hover-expand and make the treeview expand/collapse rows
on mouseover if it is set.
* gtk/gtkiconview.h: Remove some erroneous declarations.
* gtk/gtkcellview.c (gtk_cell_view_set_cell_data): Don't

6
ChangeLog.pre-2-10
View File

@ -1,5 +1,11 @@
2004-08-02 Matthias Clasen <mclasen@redhat.com>
* gtk/gtktreeview.h:
* gtk/gtktreeview.c:
* gtk/gtktreeprivate.h: Add a new boolean property
::hover-expand and make the treeview expand/collapse rows
on mouseover if it is set.
* gtk/gtkiconview.h: Remove some erroneous declarations.
* gtk/gtkcellview.c (gtk_cell_view_set_cell_data): Don't

6
ChangeLog.pre-2-6
View File

@ -1,5 +1,11 @@
2004-08-02 Matthias Clasen <mclasen@redhat.com>
* gtk/gtktreeview.h:
* gtk/gtktreeview.c:
* gtk/gtktreeprivate.h: Add a new boolean property
::hover-expand and make the treeview expand/collapse rows
on mouseover if it is set.
* gtk/gtkiconview.h: Remove some erroneous declarations.
* gtk/gtkcellview.c (gtk_cell_view_set_cell_data): Don't

6
ChangeLog.pre-2-8
View File

@ -1,5 +1,11 @@
2004-08-02 Matthias Clasen <mclasen@redhat.com>
* gtk/gtktreeview.h:
* gtk/gtktreeview.c:
* gtk/gtktreeprivate.h: Add a new boolean property
::hover-expand and make the treeview expand/collapse rows
on mouseover if it is set.
* gtk/gtkiconview.h: Remove some erroneous declarations.
* gtk/gtkcellview.c (gtk_cell_view_set_cell_data): Don't

4
gtk/gtktreeprivate.h
View File

@ -210,8 +210,12 @@ struct _GtkTreeViewPrivate
guint disable_popdown : 1;
guint hover_selection : 1;
guint hover_expand : 1;
guint imcontext_changed : 1;
/* Auto expand/collapse timeout in hover mode */
guint auto_expand_timeout;
gint selected_iter;
gint search_column;
GtkTreeViewSearchDialogPositionFunc search_dialog_position_func;

130
gtk/gtktreeview.c
View File

@ -48,6 +48,8 @@
#define SCROLL_EDGE_SIZE 15
#define EXPANDER_EXTRA_PADDING 4
#define GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT 5000
#define AUTO_EXPAND_TIMEOUT 500
/* The "background" areas of all rows/cells add up to cover the entire tree.
* The background includes all inter-row and inter-cell spacing.
* The "cell" areas are the cell_area passed in to gtk_cell_renderer_render(),
@ -128,7 +130,8 @@ enum {
PROP_ENABLE_SEARCH,
PROP_SEARCH_COLUMN,
PROP_FIXED_HEIGHT_MODE,
PROP_HOVER_SELECTION
PROP_HOVER_SELECTION,
PROP_HOVER_EXPAND
};
static void gtk_tree_view_class_init (GtkTreeViewClass *klass);
@ -665,6 +668,26 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
FALSE,
G_PARAM_READWRITE));
/**
* GtkTreeView:hover-expand:
*
* Enables of disables the hover expansion mode of @tree_view.
* Hover expansion makes rows expand or collaps if the pointer moves
* over them.
*
* This mode is primarily indended for treeviews in popups, e.g.
* in #GtkComboBox or #GtkEntryCompletion.
*
* Since: 2.6
*/
g_object_class_install_property (o_class,
PROP_HOVER_EXPAND,
g_param_spec_boolean ("hover_expand",
P_("Hover Expand"),
P_("Whether rows should be expanded/collaped when the pointer moves over them"),
FALSE,
G_PARAM_READWRITE));
/* Style properties */
#define _TREE_VIEW_EXPANDER_SIZE 10
#define _TREE_VIEW_VERTICAL_SEPARATOR 2
@ -1135,6 +1158,7 @@ gtk_tree_view_init (GtkTreeView *tree_view)
tree_view->priv->width = 0;
tree_view->priv->hover_selection = FALSE;
tree_view->priv->hover_expand = FALSE;
}
@ -1190,6 +1214,9 @@ gtk_tree_view_set_property (GObject *object,
case PROP_HOVER_SELECTION:
tree_view->priv->hover_selection = g_value_get_boolean (value);
break;
case PROP_HOVER_EXPAND:
tree_view->priv->hover_expand = g_value_get_boolean (value);
break;
default:
break;
}
@ -1240,6 +1267,9 @@ gtk_tree_view_get_property (GObject *object,
case PROP_HOVER_SELECTION:
g_value_set_boolean (value, tree_view->priv->hover_selection);
break;
case PROP_HOVER_EXPAND:
g_value_set_boolean (value, tree_view->priv->hover_expand);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -2672,6 +2702,45 @@ coords_are_over_arrow (GtkTreeView *tree_view,
y < (arrow.y + arrow.height));
}
static gboolean
auto_expand_timeout (gpointer data)
{
GtkTreeView *tree_view = GTK_TREE_VIEW (data);
GtkTreePath *path;
GDK_THREADS_ENTER ();
if (tree_view->priv->prelight_node)
{
path = _gtk_tree_view_find_path (tree_view,
tree_view->priv->prelight_tree,
tree_view->priv->prelight_node);
if (tree_view->priv->prelight_node->children)
gtk_tree_view_collapse_row (tree_view, path);
else
gtk_tree_view_expand_row (tree_view, path, FALSE);
gtk_tree_path_free (path);
}
tree_view->priv->auto_expand_timeout = 0;
GDK_THREADS_LEAVE ();
return FALSE;
}
static void
remove_auto_expand_timeout (GtkTreeView *tree_view)
{
if (tree_view->priv->auto_expand_timeout != 0)
{
g_source_remove (tree_view->priv->auto_expand_timeout);
tree_view->priv->auto_expand_timeout = 0;
}
}
static void
do_prelight (GtkTreeView *tree_view,
GtkRBTree *tree,
@ -2736,8 +2805,10 @@ do_prelight (GtkTreeView *tree_view,
}
/* Set the new prelight values */
if (tree_view->priv->hover_expand)
remove_auto_expand_timeout (tree_view);
/* Set the new prelight values */
tree_view->priv->prelight_node = node;
tree_view->priv->prelight_tree = tree;
@ -2756,6 +2827,12 @@ do_prelight (GtkTreeView *tree_view,
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PRELIT);
_gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
if (tree_view->priv->hover_expand)
{
tree_view->priv->auto_expand_timeout =
g_timeout_add (AUTO_EXPAND_TIMEOUT, auto_expand_timeout, tree_view);
}
}
static void
@ -2789,10 +2866,11 @@ prelight_or_select (GtkTreeView *tree_view,
gtk_tree_path_free (path);
}
}
else if (mode == GTK_SELECTION_SINGLE)
gtk_tree_selection_unselect_all (tree_view->priv->selection);
}
else
do_prelight (tree_view, tree, node, x, y);
}
@ -6014,7 +6092,7 @@ gtk_tree_view_drag_motion (GtkWidget *widget,
pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE))
{
tree_view->priv->open_dest_timeout =
g_timeout_add (500, open_row_timeout, tree_view);
g_timeout_add (AUTO_EXPAND_TIMEOUT, open_row_timeout, tree_view);
}
else if (tree_view->priv->scroll_timeout == 0)
{
@ -10380,6 +10458,8 @@ gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
GtkTreeIter temp;
gboolean expand;
remove_auto_expand_timeout (tree_view);
if (node->children && !open_all)
return FALSE;
@ -10516,6 +10596,8 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
GdkDisplay *display;
GdkWindow *child, *parent;
remove_auto_expand_timeout (tree_view);
if (node->children == NULL)
return FALSE;
@ -12739,6 +12821,46 @@ gtk_tree_view_get_hover_selection (GtkTreeView *tree_view)
return tree_view->priv->hover_selection;
}
/**
* gtk_tree_view_set_hover_expand:
* @tree_view: a #GtkTreeView
* @expand: %TRUE to enable hover selection mode
*
* Enables of disables the hover expansion mode of @tree_view.
* Hover expansion makes rows expand or collaps if the pointer
* moves over them.
*
* Since: 2.6
**/
void
gtk_tree_view_set_hover_expand (GtkTreeView *tree_view,
gboolean expand)
{
expand = expand != FALSE;
if (expand != tree_view->priv->hover_expand)
{
tree_view->priv->hover_expand = expand;
g_object_notify (G_OBJECT (tree_view), "hover-expand");
}
}
/**
* gtk_tree_view_get_hover_expand:
* @tree_view: a #GtkTreeView
*
* Returns whether hover expansion mode is turned on for @tree_view.
*
* Return value: %TRUE if @tree_view is in hover expansion mode
*
* Since: 2.6
**/
gboolean
gtk_tree_view_get_hover_expand (GtkTreeView *tree_view)
{
return tree_view->priv->hover_expand;
}
/**
* gtk_tree_view_get_row_separator_func:

3
gtk/gtktreeview.h
View File

@ -322,6 +322,9 @@ gboolean gtk_tree_view_get_fixed_height_mode (GtkTreeView *tree_view);
void gtk_tree_view_set_hover_selection (GtkTreeView *tree_view,
gboolean hover);
gboolean gtk_tree_view_get_hover_selection (GtkTreeView *tree_view);
void gtk_tree_view_set_hover_expand (GtkTreeView *tree_view,
gboolean expand);
gboolean gtk_tree_view_get_hover_expand (GtkTreeView *tree_view);
GtkTreeViewRowSeparatorFunc gtk_tree_view_get_row_separator_func (GtkTreeView *tree_view);
void gtk_tree_view_set_row_separator_func (GtkTreeView *tree_view,