GTK4_GG_hack/hot.c

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

#include "warm.h"
#include "cold.h"
#include "display.h"
#include "contain.h"
#include "texts.h"

//  https://docs.gtk.org/gtk4/visual_index.html  <  widgets gallery
//  https://docs.gtk.org/gtk4/section-text-widget.html
//  https://docs.gtk.org/gtk4/class.Widget.html#height-for-width-geometry-management
//  GTK_ORIENTATION_VERTICAL       GTK_ORIENTATION_HORIZONTAL


static void on_experimental_expander_toggled(GtkExpander *expander, gpointer user_data){
  gtk_expander_set_expanded (expander, gtk_expander_get_expanded (expander));
  printf(">>>>>>>  %s  <<<<<<<\n", gtk_expander_get_label (user_data));
}

GtkBox *get_experimental_box_new(){
  GtkBox *experimental_box = GTK_BOX(gtk_box_new (GTK_ORIENTATION_VERTICAL, 0));
  gtk_box_append (experimental_box, GTK_WIDGET(gtk_separator_new (GTK_ORIENTATION_HORIZONTAL)));
  gtk_box_append (experimental_box, GTK_WIDGET(gtk_label_new ("\n\n")));

  GtkExpander *hello = GTK_EXPANDER (gtk_expander_new ("hello !"));
  gtk_expander_set_expanded (GTK_EXPANDER (hello), TRUE);
  gtk_widget_set_margin_start (GTK_WIDGET (hello), 0);
  g_signal_connect (hello, "activate", G_CALLBACK (on_experimental_expander_toggled), hello);
  gtk_box_append (experimental_box, GTK_WIDGET (hello));

  GtkExpander *it_s_me = GTK_EXPANDER (gtk_expander_new ("it's me !"));
  gtk_expander_set_expanded (GTK_EXPANDER (it_s_me), FALSE);
  gtk_widget_set_margin_start(GTK_WIDGET (it_s_me), 20);
  g_signal_connect (hello, "activate", G_CALLBACK (on_experimental_expander_toggled), it_s_me);
  gtk_box_append (experimental_box, GTK_WIDGET (it_s_me));

  gtk_box_append (experimental_box, GTK_WIDGET(gtk_label_new ("\n\n")));

  return experimental_box;
}