/* clefdialog.cpp
 * callback that creates "change staff" dialog box
 * user for further action

 * for Denemo, a gtk+ frontend to GNU Lilypond
 * (c) 1999-2005  Matthew Hiller,Adam Tee
 */

#include <gtk/gtk.h>
#include <string.h>
#include "calculatepositions.h"
#include "chordops.h"
#include "commandfuncs.h"
#include "contexts.h"
#include "draw.h"
#include "dialogs.h"
#include "measureops.h"
#include "objops.h"
#include "staffops.h"
#include "utils.h"

#define COLUMN_NAME (0)
#define COLUMN_ID (1)


typedef struct ClefInfo
{
  enum clefs clef;
  gchar *name;

} ClefInfo;

// TODO: make this globally accessable
static ClefInfo clef_info[] = {
  {DENEMO_TREBLE_CLEF, N_("Treble")},
  {DENEMO_BASS_CLEF, N_("Bass")},
  {DENEMO_ALTO_CLEF, N_("Alto")},
  {DENEMO_G_8_CLEF, N_("Octava bassa")},
  {DENEMO_TENOR_CLEF, N_("Tenor")},
  {DENEMO_SOPRANO_CLEF, N_("Soprano")}
};

/**
 * Callback to insert a clef change 
 * calls clef change with the INSERT argument
 */
void
clef_change_insert (GtkAction * action, DenemoGUI * si)
{
  clef_change (si, INSERT);
}

/**
 * Callback to change the inital clef on a staff 
 * calls clef change with the CHANGEINITIAL argument
 */
void
clef_change_initial (GtkAction * action, DenemoGUI * si)
{
  clef_change (si, CHANGEINITIAL);
}

void
setinitialclef (DenemoScore * si, DenemoStaff * curstaffstruct,
		enum clefs clef)
{
  curstaffstruct->sclef = clef;
  find_leftmost_staffcontext (curstaffstruct, si);
  fixnoteheights (curstaffstruct);
  find_xes_in_all_measures (si);
}

/**
 * Clef change dialog, two modes
 * 1,  Set Initial clef
 * 2,  Insert Clef Change
 */
void
clef_change (DenemoGUI * si, actiontype action)
{
  GtkWidget *dialog;
  GtkWidget *label;
  GtkWidget *combobox;
  GtkListStore *list_store;
  GtkTreeIter iter;
  GtkCellRenderer *renderer;
  DenemoStaff *curstaffstruct = (DenemoStaff *) si->si->currentstaff->data;
  int i;

  if (si->si->lily_file && action == CHANGEINITIAL)
    return;			/* no code for this yet - just edit textually */

  dialog = gtk_dialog_new_with_buttons (((action == CHANGEINITIAL) ? _("Set Clef") : _("Insert clef change")), NULL,	/* parent window */
					(GtkDialogFlags)
					(GTK_DIALOG_MODAL |
					 GTK_DIALOG_DESTROY_WITH_PARENT),
					GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
					GTK_STOCK_CANCEL, GTK_STOCK_CANCEL,
					NULL);


  label = gtk_label_new (_("Select desired clef"));
  gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
		      label, TRUE, TRUE, 0);

  list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT);
  combobox = gtk_combo_box_new_with_model (GTK_TREE_MODEL (list_store));

  for (i = 0; i < (gint) G_N_ELEMENTS (clef_info); i++)
    {
      gtk_list_store_append (list_store, &iter);
      gtk_list_store_set (list_store, &iter,
			  COLUMN_NAME, clef_info[i].name,
			  COLUMN_ID, clef_info[i].clef, -1);

      if (clef_info[i].clef == curstaffstruct->sclef)
	{
	  gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combobox), &iter);
	}
    }


  renderer = gtk_cell_renderer_text_new ();
  gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox), renderer, TRUE);
  gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combobox),
				 renderer, "text", COLUMN_NAME);

  gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
		      combobox, TRUE, TRUE, 0);
  //gtk_entry_set_activates_default(GTK_ENTRY(GTK_COMBO(combobox)->entry), TRUE);
  gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
  gtk_widget_show_all (dialog);

  if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
    {
      enum clefs clef;
      gtk_combo_box_get_active_iter (GTK_COMBO_BOX (combobox), &iter);
      gtk_tree_model_get (GTK_TREE_MODEL (list_store), &iter,
			  COLUMN_ID, &clef, -1);

      if (action == CHANGEINITIAL)
	{
	  setinitialclef (si->si, curstaffstruct, clef);


	}
      else
	{
	  object_insert (si->si, newclefobj (clef));

	}
      displayhelper (si);
    }
  gtk_widget_destroy (dialog);
}