/*
* text has been dragged into the watch tree view
*/
static void on_watch_dragged_callback(GtkWidget *wgt, GdkDragContext *context, int x, int y,
GtkSelectionData *seldata, guint info, guint _time,
gpointer userdata)
{
/* string that is dragged */
gchar *expression = (gchar*)seldata->data;
GtkTreePath *path = NULL;
GtkTreeViewDropPosition pos;
GtkTreePath *empty_path;
GtkTreeIter newvar;
/* lookup for where the text has been dropped */
gtk_tree_view_get_dest_row_at_pos(GTK_TREE_VIEW(wtree), x, y, &path, &pos);
/* if dropped into last row - insert before it */
empty_path = wtree_empty_path();
if (!gtk_tree_path_compare(empty_path, path))
pos = GTK_TREE_VIEW_DROP_BEFORE;
gtk_tree_path_free(empty_path);
/* if dropped into children area - insert before parent */
if (gtk_tree_path_get_depth(path) > 1)
{
while (gtk_tree_path_get_depth(path) > 1)
gtk_tree_path_up(path);
pos = GTK_TREE_VIEW_DROP_BEFORE;
}
/* insert new row */
if (path)
{
GtkTreeIter sibling;
gtk_tree_model_get_iter(wmodel, &sibling, path);
if (GTK_TREE_VIEW_DROP_BEFORE == pos || GTK_TREE_VIEW_DROP_INTO_OR_BEFORE == pos)
gtk_tree_store_insert_before(wstore, &newvar, NULL, &sibling);
else
gtk_tree_store_insert_after(wstore, &newvar, NULL, &sibling);
}
else
{
GtkTreeIter empty;
wtree_empty_row(&empty);
gtk_tree_store_insert_before(wstore, &newvar, NULL, &empty);
}
/* if debugger is active (in stopped condition) - add to run-time watch list
* if not - just set new expession in the tree view */
if (DBS_STOPPED == debug_state)
{
variable *var = active_module->add_watch(expression);
change_watch(GTK_TREE_VIEW(wtree), &newvar, var);
}
else
variable_set_name_only(wstore, &newvar, expression);
config_set_debug_changed();
}
/*
* mouse button has been pressed while being in watch(autos) tree view
*/
static gboolean on_watch_button_pressed_callback(GtkWidget *treeview, GdkEventButton *event, gpointer userdata)
{
if (event->type == GDK_2BUTTON_PRESS && event->button == 1)
{
GtkTreePath *path = NULL;
if (gtk_tree_view_get_path_at_pos(
GTK_TREE_VIEW(treeview),
(int)event->x, (int)event->y, &path, NULL, NULL, NULL))
{
gchar *expression = NULL;
GtkTreeIter iter;
GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(treeview));
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get(model, &iter,
W_EXPRESSION, &expression,
-1);
if (strlen(expression))
{
GtkTreeIter newvar, empty;
wtree_empty_row(&empty);
gtk_tree_store_insert_before(wstore, &newvar, NULL, &empty);
/* if debugger is active (in stopped condition) - add to run-time watch list
* if not - just set new expession in the tree view */
if (DBS_STOPPED == debug_state)
{
variable *var = active_module->add_watch(expression);
change_watch(GTK_TREE_VIEW(wtree), &newvar, var);
}
else
variable_set_name_only(wstore, &newvar, expression);
config_set_debug_changed();
}
g_free(expression);
}
}
return FALSE;
}
/*
* watch expression has been changed
*/
static void on_watch_changed(GtkCellRendererText *renderer, gchar *path, gchar *new_text, gpointer user_data)
{
/* get iterator to the changed row */
GtkTreeIter iter;
GtkTreePath *tree_path = gtk_tree_path_new_from_string (path);
gtk_tree_model_get_iter (
gtk_tree_view_get_model(GTK_TREE_VIEW(wtree)),
&iter,
tree_path);
/* get oldvalue */
gchar* oldvalue;
gtk_tree_model_get (
wmodel,
&iter,
W_NAME, &oldvalue,
-1);
gchar *internal = NULL;
gtk_tree_model_get (
wmodel,
&iter,
W_INTERNAL, &internal,
-1);
/* check if it is empty row */
GtkTreePath *empty_path = wtree_empty_path();
gboolean is_empty_row = !gtk_tree_path_compare (tree_path, empty_path);
gtk_tree_path_free(empty_path);
gchar *striped = g_strstrip(g_strdup(new_text));
if (!strlen(striped) &&
!is_empty_row &&
dialogs_show_question(_("Delete variable?")))
{
/* if new value is empty string on non-empty row
* offer to delete watch */
gtk_tree_store_remove(wstore, &iter);
if (DBS_STOPPED == debug_state)
active_module->remove_watch(internal);
config_set_debug_changed();
}
else if (strcmp(oldvalue, striped))
{
/* new value is non empty */
/* insert new row if changing was the last empty row */
GtkTreeIter newiter;
if (is_empty_row)
gtk_tree_store_insert_before(wstore, &newiter, NULL, &iter);
/* set expression */
variable_set_name_only(wstore, is_empty_row ? &newiter : &iter, striped);
/* if debug is active - remove old watch and add new one */
if (DBS_STOPPED == debug_state)
{
active_module->remove_watch(internal);
variable *newvar = active_module->add_watch(striped);
change_watch(GTK_TREE_VIEW(wtree), is_empty_row ? &newiter : &iter, newvar);
}
/* if new watch has been added - set selection to the new created row */
if (is_empty_row)
{
GtkTreePath *_path = gtk_tree_model_get_path(wmodel, &newiter);
GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(wtree));
gtk_tree_selection_unselect_all(selection);
gtk_tree_selection_select_path(selection, _path);
gtk_tree_path_free(_path);
}
config_set_debug_changed();
}
/* free resources */
gtk_tree_path_free(tree_path);
g_free(oldvalue);
g_free(internal);
g_free(striped);
}