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Add an optional single click activation mode to treeview

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https://bugzilla.gnome.org/show_bug.cgi?id=345023
This commit is contained in:
William Jon McCann 2013-01-17 18:27:15 -05:00
parent 85d1dbcc0a
commit dcc412c88e
4 changed files with 137 additions and 32 deletions
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2
docs/reference/gtk/gtk3-sections.txt
View File

@ -4456,6 +4456,8 @@ gtk_tree_view_get_headers_clickable
gtk_tree_view_set_headers_clickable
gtk_tree_view_set_rules_hint
gtk_tree_view_get_rules_hint
gtk_tree_view_set_activate_on_single_click
gtk_tree_view_get_activate_on_single_click
gtk_tree_view_append_column
gtk_tree_view_remove_column
gtk_tree_view_insert_column

2
gtk/gtk.symbols
View File

@ -3521,6 +3521,7 @@ gtk_tree_view_enable_model_drag_source
gtk_tree_view_expand_all
gtk_tree_view_expand_row
gtk_tree_view_expand_to_path
gtk_tree_view_get_activate_on_single_click
gtk_tree_view_get_background_area
gtk_tree_view_get_bin_window
gtk_tree_view_get_cell_area
@ -3574,6 +3575,7 @@ gtk_tree_view_row_activated
gtk_tree_view_row_expanded
gtk_tree_view_scroll_to_cell
gtk_tree_view_scroll_to_point
gtk_tree_view_set_activate_on_single_click
gtk_tree_view_set_column_drag_function
gtk_tree_view_set_cursor
gtk_tree_view_set_cursor_on_cell

160
gtk/gtktreeview.c
View File

@ -462,6 +462,7 @@ struct _GtkTreeViewPrivate
guint fixed_height_mode : 1;
guint fixed_height_check : 1;
guint activate_on_single_click : 1;
guint reorderable : 1;
guint header_has_focus : 1;
guint drag_column_window_state : 3;
@ -556,7 +557,8 @@ enum {
PROP_RUBBER_BANDING,
PROP_ENABLE_GRID_LINES,
PROP_ENABLE_TREE_LINES,
PROP_TOOLTIP_COLUMN
PROP_TOOLTIP_COLUMN,
PROP_ACTIVATE_ON_SINGLE_CLICK
};
/* object signals */
@ -1175,6 +1177,22 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
-1,
GTK_PARAM_READWRITE));
/**
* GtkTreeView:activate-on-single-click:
*
* The activate-on-single-click property specifies whether the "row-activated" signal
* will be emitted after a single click.
*
* Since: 3.8
*/
g_object_class_install_property (o_class,
PROP_ACTIVATE_ON_SINGLE_CLICK,
g_param_spec_boolean ("activate-on-single-click",
P_("Activate on Single Click"),
P_("Activate row on a single click"),
FALSE,
GTK_PARAM_READWRITE));
/* Style properties */
#define _TREE_VIEW_EXPANDER_SIZE 14
#define _TREE_VIEW_VERTICAL_SEPARATOR 2
@ -1271,10 +1289,12 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
* @column: the #GtkTreeViewColumn in which the activation occurred
*
* The "row-activated" signal is emitted when the method
* gtk_tree_view_row_activated() is called or the user double clicks
* a treeview row. It is also emitted when a non-editable row is
* selected and one of the keys: Space, Shift+Space, Return or
* Enter is pressed.
* gtk_tree_view_row_activated() is called, when the user double
* clicks a treeview row with the "activate-on-single-click"
* property set to %FALSE, or when the user single clicks a row when
* the "activate-on-single-click" property set to %TRUE. It is also
* emitted when a non-editable row is selected and one of the keys:
* Space, Shift+Space, Return or Enter is pressed.
*
* For selection handling refer to the <link linkend="TreeWidget">tree
* widget conceptual overview</link> as well as #GtkTreeSelection.
@ -1709,6 +1729,7 @@ gtk_tree_view_init (GtkTreeView *tree_view)
tree_view->priv->show_expanders = TRUE;
tree_view->priv->draw_keyfocus = TRUE;
tree_view->priv->headers_visible = TRUE;
tree_view->priv->activate_on_single_click = FALSE;
/* We need some padding */
tree_view->priv->dy = 0;
@ -1847,6 +1868,9 @@ gtk_tree_view_set_property (GObject *object,
case PROP_TOOLTIP_COLUMN:
gtk_tree_view_set_tooltip_column (tree_view, g_value_get_int (value));
break;
case PROP_ACTIVATE_ON_SINGLE_CLICK:
gtk_tree_view_set_activate_on_single_click (tree_view, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1928,6 +1952,9 @@ gtk_tree_view_get_property (GObject *object,
case PROP_TOOLTIP_COLUMN:
g_value_set_int (value, tree_view->priv->tooltip_column);
break;
case PROP_ACTIVATE_ON_SINGLE_CLICK:
g_value_set_boolean (value, tree_view->priv->activate_on_single_click);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -3135,38 +3162,47 @@ gtk_tree_view_button_press (GtkWidget *widget,
}
}
/* Test if a double click happened on the same row. */
if (event->button == GDK_BUTTON_PRIMARY && event->type == GDK_BUTTON_PRESS)
{
int double_click_time, double_click_distance;
g_object_get (gtk_settings_get_default (),
"gtk-double-click-time", &double_click_time,
"gtk-double-click-distance", &double_click_distance,
NULL);
/* Same conditions as _gdk_event_button_generate */
if (tree_view->priv->last_button_x != -1 &&
(event->time < tree_view->priv->last_button_time + double_click_time) &&
(ABS (event->x - tree_view->priv->last_button_x) <= double_click_distance) &&
(ABS (event->y - tree_view->priv->last_button_y) <= double_click_distance))
/* Test if a double click happened on the same row. */
if (!tree_view->priv->activate_on_single_click)
{
/* We do no longer compare paths of this row and the
* row clicked previously. We use the double click
* distance to decide whether this is a valid click,
* allowing the mouse to slightly move over another row.
*/
row_double_click = TRUE;
int double_click_time, double_click_distance;
tree_view->priv->last_button_time = 0;
tree_view->priv->last_button_x = -1;
tree_view->priv->last_button_y = -1;
g_object_get (gtk_settings_get_default (),
"gtk-double-click-time", &double_click_time,
"gtk-double-click-distance", &double_click_distance,
NULL);
/* Same conditions as _gdk_event_button_generate */
if (tree_view->priv->last_button_x != -1 &&
(event->time < tree_view->priv->last_button_time + double_click_time) &&
(ABS (event->x - tree_view->priv->last_button_x) <= double_click_distance) &&
(ABS (event->y - tree_view->priv->last_button_y) <= double_click_distance))
{
/* We do no longer compare paths of this row and the
* row clicked previously. We use the double click
* distance to decide whether this is a valid click,
* allowing the mouse to slightly move over another row.
*/
row_double_click = TRUE;
tree_view->priv->last_button_time = 0;
tree_view->priv->last_button_x = -1;
tree_view->priv->last_button_y = -1;
}
else
{
tree_view->priv->last_button_time = event->time;
tree_view->priv->last_button_x = event->x;
tree_view->priv->last_button_y = event->y;
}
}
else
{
tree_view->priv->last_button_time = event->time;
tree_view->priv->last_button_x = event->x;
tree_view->priv->last_button_y = event->y;
tree_view->priv->button_pressed_node = tree_view->priv->prelight_node;
tree_view->priv->button_pressed_tree = tree_view->priv->prelight_tree;
}
}
@ -3352,6 +3388,12 @@ gtk_tree_view_button_release_column_resize (GtkWidget *widget,
return TRUE;
}
static gboolean
button_event_modifies_selection (GdkEventButton *event)
{
return (event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) != 0;
}
static gboolean
gtk_tree_view_button_release (GtkWidget *widget,
GdkEventButton *event)
@ -3373,10 +3415,10 @@ gtk_tree_view_button_release (GtkWidget *widget,
if (tree_view->priv->button_pressed_node == NULL)
return FALSE;
if (event->button == GDK_BUTTON_PRIMARY)
if (event->button == GDK_BUTTON_PRIMARY
&& tree_view->priv->button_pressed_node == tree_view->priv->prelight_node)
{
if (tree_view->priv->button_pressed_node == tree_view->priv->prelight_node &&
tree_view->priv->arrow_prelit)
if (tree_view->priv->arrow_prelit)
{
GtkTreePath *path = NULL;
@ -3394,6 +3436,16 @@ gtk_tree_view_button_release (GtkWidget *widget,
tree_view->priv->button_pressed_node, TRUE);
gtk_tree_path_free (path);
}
else if (tree_view->priv->activate_on_single_click
&& !button_event_modifies_selection (event))
{
GtkTreePath *path = NULL;
path = _gtk_tree_path_new_from_rbtree (tree_view->priv->button_pressed_tree,
tree_view->priv->button_pressed_node);
gtk_tree_view_row_activated (tree_view, path, tree_view->priv->focus_column);
gtk_tree_path_free (path);
}
gtk_grab_remove (widget);
tree_view->priv->button_pressed_tree = NULL;
@ -11779,6 +11831,50 @@ gtk_tree_view_get_rules_hint (GtkTreeView *tree_view)
return tree_view->priv->has_rules;
}
/**
* gtk_tree_view_set_activate_on_single_click:
* @tree_view: a #GtkTreeView
* @setting: %TRUE to emit row-activated on a single click
*
* Cause the "row-activated" signal to be emitted on a single click
* instead of a double click.
*
* Since: 3.8
**/
void
gtk_tree_view_set_activate_on_single_click (GtkTreeView *tree_view,
gboolean setting)
{
g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
setting = setting != FALSE;
if (tree_view->priv->activate_on_single_click == setting)
return;
tree_view->priv->activate_on_single_click = setting;
g_object_notify (G_OBJECT (tree_view), "activate-on-single-click");
}
/**
* gtk_tree_view_get_activate_on_single_click:
* @tree_view: a #GtkTreeView
*
* Gets the setting set by gtk_tree_view_set_activate_on_single_click().
*
* Return value: %TRUE if row-activated will be emitted on a single click
*
* Since: 3.8
**/
gboolean
gtk_tree_view_get_activate_on_single_click (GtkTreeView *tree_view)
{
g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
return tree_view->priv->activate_on_single_click;
}
/* Public Column functions
*/

5
gtk/gtktreeview.h
View File

@ -234,6 +234,11 @@ void gtk_tree_view_set_headers_clickable (GtkTreeView
void gtk_tree_view_set_rules_hint (GtkTreeView *tree_view,
gboolean setting);
gboolean gtk_tree_view_get_rules_hint (GtkTreeView *tree_view);
GDK_AVAILABLE_IN_3_8
gboolean gtk_tree_view_get_activate_on_single_click (GtkTreeView *tree_view);
GDK_AVAILABLE_IN_3_8
void gtk_tree_view_set_activate_on_single_click (GtkTreeView *tree_view,
gboolean single);
/* Column funtions */
gint gtk_tree_view_append_column (GtkTreeView *tree_view,