GTK4_GG_hack/callback.c

#include <stdio.h>
#include <gtk-4.0/gtk/gtk.h>

#include "tree.h"
#include "display.h"
#include "contain.h"
#include "texts.h"
#include "in_depth.h"

/******************************************************************************/
/*                M A I N   W I N D O W   A C T I V A T I O N                 */
/******************************************************************************/
void ui_main_window (GtkApplication *self, gpointer user_data)
{
  GtkWindow *main_window = GTK_WINDOW (gtk_application_window_new (self));
  window_header_bar (main_window,
                     "E coli   (with permission from David S. Goodsell, 2009)");
  two_notebooks_in_two_panes (main_window);
  gtk_window_present (GTK_WINDOW (main_window));
}

/******************************************************************************/
/*                                T R E E                                     */
/******************************************************************************/
void on_user_tree_expander_toggled(GtkExpander *expander, gpointer user_data)
{
  // This is a conceptual callback for when an expander is toggled
  GtkTreeListRow *row = GTK_TREE_LIST_ROW (user_data);
  gboolean is_expanded = gtk_tree_list_row_get_expanded(row);
  gtk_tree_list_row_set_expanded (row, !is_expanded);
}

void on_bind_user_tree_factory (GtkSignalListItemFactory *factory, GObject* object, gpointer user_data)
{
  GtkListItem *list_item = GTK_LIST_ITEM (object); assert (list_item);
  GtkTreeListRow *row = gtk_list_item_get_item (list_item); assert (row);
//    if (row != NULL) {
  const gchar *text = gtk_string_object_get_string (GTK_STRING_OBJECT (gtk_tree_list_row_get_item (row)));
  GtkWidget *expander = gtk_list_item_get_child (list_item);
  gtk_expander_set_label (GTK_EXPANDER (expander), text);
  g_signal_handlers_disconnect_by_func(expander, G_CALLBACK (on_user_tree_expander_toggled), row);
  g_signal_connect(expander, "activate", G_CALLBACK (on_user_tree_expander_toggled), row);
  gtk_widget_set_margin_start(expander, gtk_tree_list_row_get_depth(row)*20);
  gboolean is_expanded = gtk_tree_list_row_get_expanded(row);
  if (0) printf("[on_bind_user_tree_factory] row content is [%s] and expander is [%d]\n", text, is_expanded);
//    } else if (0) printf("[on_bind_user_tree_factory] row == NULL\n");
}

/******************************************************************************/
/*                             B U T T O N S                                  */
/******************************************************************************/
void ui_toggle_run_edit (GtkWidget *btt_run_xor_edit, gpointer   data)
{
  printf("window.ui_toggle_run_edit()   >>>    mode = %d", get_run_edit_mode ());
  if (get_run_edit_mode()) {
    gtk_button_set_icon_name (GTK_BUTTON (btt_run_xor_edit), "system-run-symbolic");
    set_run_edit_mode (0);
  } else {
    gtk_button_set_icon_name (GTK_BUTTON (btt_run_xor_edit), "document-edit-symbolic");
    set_run_edit_mode (1);
  }
  printf(" > %d\n", get_run_edit_mode ());
}