#include <gtk/gtk.h>

#include <rfftw.h>
#include "fluids.h"


#include "palette.h"
#include "glyphs.h"

#include "gtk_glyphs.h"


static gboolean select_colormap(GtkComboBox *combo, gpointer data)
{
  glyphs_set_colormap(gtk_combo_box_get_active(combo));

  return TRUE;
}


static gboolean select_num_colors(GtkRange *adjustment, gpointer data)
{
  glyphs_set_num_colors((int)gtk_range_get_value(adjustment));

  return TRUE;
}

static gboolean select_alpha(GtkRange *adjustment, gpointer data)
{
  glyphs_set_alpha((float)gtk_range_get_value(adjustment));

  return TRUE;
}

static gboolean set_dataset_color(GtkToggleButton *button, gpointer data)
{
  if (gtk_toggle_button_get_active(button)) {
    glyphs_set_dataset_color((int)data);
  }

  return TRUE;
}

static gboolean set_dataset_direction(GtkToggleButton *button, gpointer data)
{
  if (gtk_toggle_button_get_active(button)) {
    glyphs_set_dataset_direction((int)data);
  }

  return TRUE;
}


static gboolean select_sort(GtkComboBox *combo, gpointer data)
{
  glyphs_set_sort(gtk_combo_box_get_active(combo));

  return TRUE;
}


static gboolean select_var_dim(GtkRange *adjustment, gpointer data)
{
  fluids_set_var_dim((int)gtk_range_get_value(adjustment));

  return TRUE;
}


GtkWidget *create_glyphs_page(void)
{
  /* in reality a page is really just a vbox filled with other widgets
   */
  GtkWidget *page;
  GtkWidget *frame;
  GtkWidget *box;
  GtkWidget *label;  
  GtkWidget *button;
  GtkWidget *combo;
  GtkAdjustment *adjustment;
  GtkWidget *scale;
  GSList *dataset_group;

  page = gtk_vbox_new(FALSE, 0);

  frame = gtk_frame_new("Color");

    box = gtk_hbox_new(FALSE, 0);

      button = gtk_radio_button_new_with_label (NULL, "Rho");
      if (glyphs_get_dataset_color() == DATASET_RHO) {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
      } else {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);            
      }
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
      g_signal_connect (G_OBJECT(button), "clicked", G_CALLBACK(set_dataset_color), (gpointer)DATASET_RHO);
      gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
      gtk_widget_show(button);

      dataset_group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(button));

      button = gtk_radio_button_new_with_label(dataset_group, "Velocity");
      if (glyphs_get_dataset_color() == DATASET_VEL) {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
      } else {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);            
      }
      g_signal_connect (G_OBJECT(button), "clicked", G_CALLBACK(set_dataset_color), (gpointer)DATASET_VEL);
      gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
      gtk_widget_show(button);

      button = gtk_radio_button_new_with_label_from_widget(GTK_RADIO_BUTTON(button), "Force");
      if (glyphs_get_dataset_color() == DATASET_FORCE) {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
      } else {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);            
      }
      g_signal_connect (G_OBJECT(button), "clicked", G_CALLBACK(set_dataset_color), (gpointer)DATASET_FORCE);
      gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);      
      gtk_widget_show(button);

    gtk_container_add(GTK_CONTAINER(frame), box);
    gtk_widget_show(box);

  gtk_box_pack_start (GTK_BOX(page), frame, FALSE, TRUE, 0);
  gtk_widget_show(frame);
  
  frame = gtk_frame_new("Direction");

    box = gtk_hbox_new(FALSE, 0);

      button = gtk_radio_button_new_with_label(NULL, "Velocity");
      if (glyphs_get_dataset_direction() == DATASET_FORCE) {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
      } else {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);            
      }
      g_signal_connect (G_OBJECT(button), "clicked", G_CALLBACK(set_dataset_direction), (gpointer)DATASET_VEL);
      gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
      gtk_widget_show(button);

      dataset_group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(button));

      button = gtk_radio_button_new_with_label_from_widget(GTK_RADIO_BUTTON(button), "Force");
      if (glyphs_get_dataset_direction() == DATASET_FORCE) {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
      } else {
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);            
      }
      g_signal_connect (G_OBJECT(button), "clicked", G_CALLBACK(set_dataset_direction), (gpointer)DATASET_FORCE);
      gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);      
      gtk_widget_show(button);

    gtk_container_add(GTK_CONTAINER(frame), box);
    gtk_widget_show(box);

  gtk_box_pack_start (GTK_BOX(page), frame, FALSE, TRUE, 0);
  gtk_widget_show(frame);


  frame = gtk_frame_new("Glyphs");

    box = gtk_vbox_new(FALSE, 0);
      

      label = gtk_label_new("Parameterize the glyphs");

      gtk_box_pack_start(GTK_BOX(box), label, FALSE, TRUE, 0);
      gtk_widget_show(label);


      combo = gtk_combo_box_new_text();

        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "Hedgehogs");
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "Triangles");
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "3D Cones");
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "Arrow images");
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "Quake");

        gtk_combo_box_set_active(GTK_COMBO_BOX(combo), glyphs_get_sort());
        g_signal_connect(combo, "changed", G_CALLBACK(select_sort), (gpointer)NULL);

      gtk_box_pack_start(GTK_BOX(box), combo, FALSE, TRUE, 0);
      gtk_widget_show(combo);



      label = gtk_label_new("Change resolution of glyphs");

      gtk_box_pack_start(GTK_BOX(box), label, FALSE, TRUE, 0);
      gtk_widget_show(label);


      adjustment = GTK_ADJUSTMENT(gtk_adjustment_new(fluids_get_var_dim(), 5, fluids_get_dim() + 25, 0.5, 5, 0));
      scale = gtk_hscale_new(adjustment);
			  gtk_scale_set_digits(GTK_SCALE(scale), 0);
        g_signal_connect(GTK_RANGE(scale), "value-changed", G_CALLBACK(select_var_dim), NULL);

      gtk_box_pack_start(GTK_BOX(box), scale, FALSE, TRUE, 0);
      gtk_widget_show(scale);

    gtk_container_add(GTK_CONTAINER(frame), box);
    gtk_widget_show(box);
    
    gtk_box_pack_start(GTK_BOX(page), frame, FALSE, TRUE, 0);

  gtk_widget_show(frame);



  frame = gtk_frame_new("Colors");

    box = gtk_vbox_new(FALSE, 0);
      

      label = gtk_label_new("Colormap");

      gtk_box_pack_start(GTK_BOX(box), label, FALSE, TRUE, 0);
      gtk_widget_show(label);


      combo = gtk_combo_box_new_text();

        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_BLACKWHITE);
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_RAINBOW);
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_BANDS);
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_GREY_BANDS);
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_WILRIK);
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_OLIVER);
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_RED);
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_GREEN);
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo), PALETTE_NAME_BLUE);

        gtk_combo_box_set_active(GTK_COMBO_BOX(combo), glyphs_get_colormap());
        g_signal_connect(combo, "changed", G_CALLBACK(select_colormap), (gpointer)NULL);

      gtk_box_pack_start(GTK_BOX(box), combo, FALSE, TRUE, 0);
      gtk_widget_show(combo);


      label = gtk_label_new("Number of Colors");

      gtk_box_pack_start(GTK_BOX(box), label, FALSE, TRUE, 0);
      gtk_widget_show(label);


      adjustment = GTK_ADJUSTMENT(gtk_adjustment_new(glyphs_get_num_colors(), 1, PALETTE_MAXCOLORS, 0.5, 5, 0.1));
      scale = gtk_hscale_new(adjustment);
			  gtk_scale_set_digits(GTK_SCALE(scale), 0);
        g_signal_connect(GTK_RANGE(scale), "value-changed", G_CALLBACK(select_num_colors), NULL);

      gtk_box_pack_start(GTK_BOX(box), scale, FALSE, TRUE, 0);
      gtk_widget_show(scale);

      label = gtk_label_new("Alpha");

      gtk_box_pack_start(GTK_BOX(box), label, FALSE, TRUE, 0);
      gtk_widget_show(label);

      adjustment = GTK_ADJUSTMENT(gtk_adjustment_new(
            glyphs_get_alpha(), 0, 1, 0.05, 0.05, 0.01));
      scale = gtk_hscale_new(adjustment);
			  gtk_scale_set_digits(GTK_SCALE(scale), 1);
        g_signal_connect(GTK_RANGE(scale), "value-changed", G_CALLBACK(select_alpha), NULL);

      gtk_box_pack_start(GTK_BOX(box), scale, FALSE, TRUE, 0);
      gtk_widget_show(scale);

    gtk_container_add(GTK_CONTAINER(frame), box);
    gtk_widget_show(box);
    
    gtk_box_pack_start(GTK_BOX(page), frame, FALSE, TRUE, 0);

  gtk_widget_show(frame);

  return page;
}