#include <gtk/gtk.h>
#include <gtk4curve.h>
#include <gtk4gamma.h>

#define WINDOW_WIDTH  400
#define WINDOW_HEIGHT 400


static void
activate (GtkApplication *app, gpointer user_data)
{
  GtkWidget *window;
  GtkWidget *da;
  GtkWidget *gamma;
  GtkWidget *grid;

  
  window = gtk_application_window_new (app);
  gtk_window_set_title (GTK_WINDOW (window), "Window");
  // gtk_container_set_border_width (GTK_CONTAINER (window), 10);
  grid = gtk_grid_new();

  {
/*
	        da = gtk4_curve_new ();
	        gtk_widget_set_name (da, "curve1");
	        gamma = da;
*/
	if (strstr((const char*)user_data, "gtk4curve-sample"))
	{
	        da = gtk4_curve_new ();
	        gtk_widget_set_name (da, "curve1");
	        gamma = da;
	}
	else
	{
	        gamma = gtk4_gamma_new ();
	        da = gtk4_gamma_get_curve (gamma);
            // gtk_widget_show (da);
	        gtk_widget_set_name (gamma, "GammaCurve");
	        // gtk_widget_set_size_request (da, WINDOW_WIDTH - 18, WINDOW_HEIGHT - 18);
	}
	gtk4_curve_set_color_background_rgba (da, 0.8, 0.8, 0.8, 0.5);
	gtk4_curve_set_color_grid_rgba (da, 0.0, 0.0, 0.0, 0.5);
	gtk4_curve_set_color_curve_rgba (da, 1.0, 1.0, 1.0, 1.0);
	gtk4_curve_set_color_cpoint_rgba (da, 0.8, 0.3, 0.3, 1.0);

	gtk4_curve_set_use_theme_background(da, FALSE);
	gtk_widget_set_size_request (da, WINDOW_WIDTH, WINDOW_HEIGHT);
	
	gtk4_curve_set_grid_size (da, GTK4_CURVE_GRID_SMALL);
	gtk4_curve_set_range (da, 0, WINDOW_WIDTH, 0, WINDOW_HEIGHT);
  }
  gtk_widget_set_size_request (gamma, WINDOW_WIDTH, WINDOW_HEIGHT);
  gtk_grid_attach(GTK_GRID(grid), gamma, 1, 1, 1, 1);
  gtk_widget_set_halign (grid, GTK_ALIGN_CENTER);
  gtk_widget_set_valign (grid, GTK_ALIGN_CENTER);
  gtk_widget_set_hexpand (grid, TRUE);
  gtk_window_set_child (GTK_WINDOW (window), grid);
  // gtk_window_set_child (GTK_WINDOW (window), gamma);

  gtk_widget_show (gamma);
  gtk_widget_show (grid);
  gtk_widget_show (window);
}

int
main (int    argc, char **argv)
{
  GtkApplication *app;
  int status;

  app = gtk_application_new ("org.gtk.sample", G_APPLICATION_FLAGS_NONE);
  g_signal_connect (app, "activate", G_CALLBACK (activate), argv[0]);
  status = g_application_run (G_APPLICATION (app), argc, argv);
  g_object_unref (app);

  return status;
}