static void
select_or_unselect_range(GtkTreeSelection *selection,
guint from, guint to,
gboolean select)
{
if (from == to)
return;
GtkTreePath *pathfrom = gtk_tree_path_new();
gtk_tree_path_append_index(pathfrom, from);
if (from+1 == to) {
if (select)
gtk_tree_selection_select_path(selection, pathfrom);
else
gtk_tree_selection_unselect_path(selection, pathfrom);
}
else {
GtkTreePath *pathto = gtk_tree_path_new();
gtk_tree_path_append_index(pathto, to);
if (select)
gtk_tree_selection_select_range(selection, pathfrom, pathto);
else
gtk_tree_selection_unselect_range(selection, pathfrom, pathto);
gtk_tree_path_free(pathto);
}
gtk_tree_path_free(pathfrom);
}
gboolean listbox_drag (GtkWidget *listbox, GdkEventMotion *event,
gpointer data)
{
gint x, y;
GdkModifierType state;
GtkTreeView *view = GTK_TREE_VIEW(listbox);
GtkTreePath *path;
if (event->is_hint) {
gdk_window_get_pointer(event->window, &x, &y, &state);
} else {
x = event->x;
y = event->y;
state = event->state;
}
if ((state & GDK_BUTTON1_MASK) &&
gtk_tree_view_get_path_at_pos(view, x, y, &path,
NULL, NULL, NULL)) {
GtkTreeSelection *select = NULL;
GtkTreePath *anchor_path = NULL;
gchar *anchor_id = NULL;
gint row;
int anchor;
static gint lastrow;
anchor = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(listbox),
"active_row"));
row = tree_path_get_row_number(path);
select = gtk_tree_view_get_selection(view);
if (select == NULL) {
return FALSE;
}
anchor_id = g_strdup_printf("%d", anchor);
anchor_path = gtk_tree_path_new_from_string(anchor_id);
g_free(anchor_id);
if (row != lastrow) {
gtk_tree_selection_unselect_all(select);
gtk_tree_selection_select_range(select, anchor_path,
path);
}
gtk_tree_path_free(path);
gtk_tree_path_free(anchor_path);
lastrow = row;
}
return FALSE;
}
int
clip_GTK_TREESELECTIONSELECTRANGE(ClipMachine * cm)
{
C_object *ctreesel = _fetch_co_arg(cm);
C_object *cpath1 = _fetch_cobject(cm, _clip_spar(cm, 2));
C_object *cpath2 = _fetch_cobject(cm, _clip_spar(cm, 3));
CHECKOPT2(1, MAP_t, NUMERIC_t); CHECKCOBJ(ctreesel,GTK_IS_TREE_SELECTION(ctreesel->object));
CHECKCOBJ(cpath1,GTK_IS_TREE_PATH(cpath1->object)); CHECKCOBJ(cpath2,GTK_IS_TREE_PATH(cpath2->object));
gtk_tree_selection_select_range(GTK_TREE_SELECTION(ctreesel->object),
GTK_TREE_PATH(cpath1->object), GTK_TREE_PATH(cpath2->object));
return 0;
err:
return 1;
}
void ctree_select_vars(gint action)
{
GtkTreeView *view;
GtkTreeModel *model;
GtkTreePath *path = path_to_drag;
GtkTreeIter parent, start_iter, end_iter, iter;
view = GTK_TREE_VIEW(ctree_wnd);
model = gtk_tree_view_get_model(view);
// select var beneath a folder
gtk_tree_model_get_iter(model, &parent, path);
if (gtk_tree_model_iter_has_child(model, &parent))
{
GtkTreeSelection *sel;
GtkTreePath *start_path, *end_path;
gint n;
gboolean valid;
sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree_wnd));
n = gtk_tree_model_iter_n_children(model, &parent);
valid = gtk_tree_model_iter_children(model, &start_iter, &parent);
start_path = gtk_tree_model_get_path(model, &start_iter);
valid = gtk_tree_model_iter_nth_child(model, &end_iter, &parent, n - 1);
if(gtk_tree_model_iter_has_child(model, &end_iter))
{
n = gtk_tree_model_iter_n_children(model, &end_iter);
valid = gtk_tree_model_iter_nth_child(model, &iter, &end_iter, n - 1);
memcpy(&end_iter, &iter, sizeof(GtkTreeIter));
}
end_path = gtk_tree_model_get_path(model, &end_iter);
if (!action)
gtk_tree_selection_unselect_range(sel, start_path, end_path);
else
{
gtk_tree_selection_select_range(sel, start_path, end_path);
}
gtk_tree_path_free(start_path);
gtk_tree_path_free(end_path);
}
}
int
clip_GTK_TREESELECTIONSELECTRANGE(ClipMachine * ClipMachineMemory)
{
C_object *ctreesel = _fetch_co_arg(ClipMachineMemory);
C_object *cpath1 = _fetch_cobject(ClipMachineMemory, _clip_spar(ClipMachineMemory, 2));
C_object *cpath2 = _fetch_cobject(ClipMachineMemory, _clip_spar(ClipMachineMemory, 3));
CHECKOPT2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);
CHECKCOBJ(ctreesel, GTK_IS_TREE_SELECTION(ctreesel->object));
CHECKCOBJ(cpath1, GTK_IS_TREE_PATH(cpath1->object));
CHECKCOBJ(cpath2, GTK_IS_TREE_PATH(cpath2->object));
gtk_tree_selection_select_range(GTK_TREE_SELECTION(ctreesel->object),
GTK_TREE_PATH(cpath1->object), GTK_TREE_PATH(cpath2->object));
return 0;
err:
return 1;
}
static void
select_range_path_str(GtkWidget *w, char *from, char *to)
{
GtkTreePath *path1, *path2;
GtkTreeSelection *sel;
sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(w));
path1 = gtk_tree_path_new_from_string(from);
if (! path1)
return;
path2 = gtk_tree_path_new_from_string(to);
if (! path2) {
gtk_tree_path_free(path1);
return;
}
gtk_tree_selection_select_range(sel, path1, path2);
gtk_tree_path_free(path2);
gtk_tree_path_free(path1);
}
static gboolean
exo_tree_view_single_click_timeout (gpointer user_data)
{
GtkTreeViewColumn *cursor_column;
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreePath *cursor_path;
GtkTreeIter iter;
ExoTreeView *tree_view = EXO_TREE_VIEW (user_data);
gboolean hover_path_selected;
GList *rows;
GList *lp;
//GDK_THREADS_ENTER (); //sfm not needed because called from g_idle?
/* verify that we are in single-click mode, have focus and a hover path */
if (gtk_widget_has_focus (GTK_WIDGET (tree_view)) && tree_view->priv->single_click && tree_view->priv->hover_path != NULL)
{
/* transform the hover_path to a tree iterator */
model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view));
if (model != NULL && gtk_tree_model_get_iter (model, &iter, tree_view->priv->hover_path))
{
/* determine the current cursor path/column */
gtk_tree_view_get_cursor (GTK_TREE_VIEW (tree_view), &cursor_path, &cursor_column);
/* be sure the row is fully visible */
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (tree_view),
tree_view->priv->hover_path,
0, //sfm was cursor_column - caused horizontal scroll
FALSE, 0.0f, 0.0f);
/* determine the selection and change it appropriately */
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
if (gtk_tree_selection_get_mode (selection) == GTK_SELECTION_NONE)
{
/* just place the cursor on the row */
gtk_tree_view_set_cursor (GTK_TREE_VIEW (tree_view), tree_view->priv->hover_path, cursor_column, FALSE);
}
else if ((tree_view->priv->single_click_timeout_state & GDK_SHIFT_MASK) != 0
&& gtk_tree_selection_get_mode (selection) == GTK_SELECTION_MULTIPLE)
{
/* check if the item is not already selected (otherwise do nothing) */
if (!gtk_tree_selection_path_is_selected (selection, tree_view->priv->hover_path))
{
/* unselect all previously selected items */
gtk_tree_selection_unselect_all (selection);
/* since we cannot access the anchor of a GtkTreeView, we
* use the cursor instead which is usually the same row.
*/
if (G_UNLIKELY (cursor_path == NULL))
{
/* place the cursor on the new row */
gtk_tree_view_set_cursor (GTK_TREE_VIEW (tree_view), tree_view->priv->hover_path, cursor_column, FALSE);
}
else
{
/* select all between the cursor and the current row */
gtk_tree_selection_select_range (selection, tree_view->priv->hover_path, cursor_path);
}
}
}
else
{
/* remember the previously selected rows as set_cursor() clears the selection */
rows = gtk_tree_selection_get_selected_rows (selection, NULL);
/* check if the hover path is selected (as it will be selected after the set_cursor() call) */
hover_path_selected = gtk_tree_selection_path_is_selected (selection, tree_view->priv->hover_path);
/* place the cursor on the hover row */
gtk_tree_view_set_cursor (GTK_TREE_VIEW (tree_view), tree_view->priv->hover_path, cursor_column, FALSE);
/* restore the previous selection */
for (lp = rows; lp != NULL; lp = lp->next)
{
gtk_tree_selection_select_path (selection, lp->data);
gtk_tree_path_free (lp->data);
}
g_list_free (rows);
/* check what to do */
if ((gtk_tree_selection_get_mode (selection) == GTK_SELECTION_MULTIPLE ||
(gtk_tree_selection_get_mode (selection) == GTK_SELECTION_SINGLE && hover_path_selected))
&& (tree_view->priv->single_click_timeout_state & GDK_CONTROL_MASK) != 0)
{
/* toggle the selection state of the row */
if (G_UNLIKELY (hover_path_selected))
gtk_tree_selection_unselect_path (selection, tree_view->priv->hover_path);
else
gtk_tree_selection_select_path (selection, tree_view->priv->hover_path);
}
else if (G_UNLIKELY (!hover_path_selected))
{
/* unselect all other rows */
gtk_tree_selection_unselect_all (selection);
/* select only the hover row */
gtk_tree_selection_select_path (selection, tree_view->priv->hover_path);
}
}
/* cleanup */
if (G_LIKELY (cursor_path != NULL))
gtk_tree_path_free (cursor_path);
}
}
//GDK_THREADS_LEAVE ();
return FALSE;
}
