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treeview: Use multipress gesture for row activation

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Replace custom double click detection with multipress gesture
This commit is contained in:
Carlos Garnacho
2014-03-27 12:31:28 +01:00
parent b0eef458d1
commit 185da29b68
1 changed files with 46 additions and 62 deletions
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108
gtk/gtktreeview.c
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@ -436,6 +436,10 @@ struct _GtkTreeViewPrivate
gpointer row_separator_data;
GDestroyNotify row_separator_destroy;
/* Gestures */
GtkGesture *multipress_gesture;
GtkGesture *drag_gesture;
/* Tooltip support */
gint tooltip_column;
@ -883,6 +887,8 @@ static gboolean scroll_row_timeout (gpointer data);
static void add_scroll_timeout (GtkTreeView *tree_view);
static void remove_scroll_timeout (GtkTreeView *tree_view);
static void grab_focus_and_unset_draw_keyfocus (GtkTreeView *tree_view);
static guint tree_view_signals [LAST_SIGNAL] = { 0 };
@ -1731,6 +1737,38 @@ G_GNUC_END_IGNORE_DEPRECATIONS
gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_TREE_VIEW_ACCESSIBLE);
}
static void
_tree_view_multipress_pressed (GtkGestureMultiPress *gesture,
gint n_press,
gdouble x,
gdouble y,
GtkTreeView *tree_view)
{
GtkTreeViewColumn *column;
GtkTreePath *path;
gint bin_x, bin_y;
gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, x, y,
&bin_x, &bin_y);
gtk_tree_view_get_path_at_pos (tree_view, bin_x, bin_y,
&path, &column, NULL, NULL);
if (n_press == 2 || (n_press == 1 && tree_view->priv->activate_on_single_click))
gtk_tree_view_row_activated (tree_view, path, column);
else
{
if (n_press == 1)
{
tree_view->priv->button_pressed_node = tree_view->priv->prelight_node;
tree_view->priv->button_pressed_tree = tree_view->priv->prelight_tree;
}
grab_focus_and_unset_draw_keyfocus (tree_view);
}
gtk_tree_path_free (path);
}
static void
gtk_tree_view_init (GtkTreeView *tree_view)
{
@ -1799,6 +1837,14 @@ gtk_tree_view_init (GtkTreeView *tree_view)
gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (tree_view)),
GTK_STYLE_CLASS_VIEW);
tree_view->priv->multipress_gesture = gtk_gesture_multi_press_new (GTK_WIDGET (tree_view));
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (tree_view->priv->multipress_gesture), FALSE);
g_signal_connect (tree_view->priv->multipress_gesture, "pressed",
G_CALLBACK (_tree_view_multipress_pressed), tree_view);
gtk_widget_add_gesture (GTK_WIDGET (tree_view),
tree_view->priv->multipress_gesture,
GTK_PHASE_BUBBLE);
}
@ -2995,7 +3041,6 @@ gtk_tree_view_button_press (GtkWidget *widget,
gint pre_val, aft_val;
GtkTreeViewColumn *column = NULL;
gint column_handled_click = FALSE;
gboolean row_double_click = FALSE;
gboolean rtl;
gboolean node_selected;
GdkModifierType extend_mod_mask;
@ -3245,67 +3290,6 @@ gtk_tree_view_button_press (GtkWidget *widget,
}
}
if (event->button == GDK_BUTTON_PRIMARY && event->type == GDK_BUTTON_PRESS)
{
/* Test if a double click happened on the same row. */
if (!tree_view->priv->activate_on_single_click)
{
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))
{
/* 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->button_pressed_node = tree_view->priv->prelight_node;
tree_view->priv->button_pressed_tree = tree_view->priv->prelight_tree;
}
}
if (row_double_click)
{
gtk_grab_remove (widget);
gtk_tree_view_row_activated (tree_view, path, column);
if (tree_view->priv->pressed_button == event->button)
tree_view->priv->pressed_button = -1;
}
gtk_tree_path_free (path);
/* If we activated the row through a double click we don't want to grab
* focus back, as moving focus to another widget is pretty common.
*/
if (!row_double_click)
grab_focus_and_unset_draw_keyfocus (tree_view);
return TRUE;
}