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

 * for Denemo, a gtk+ frontend to GNU Lilypond
 * (c) 1999-2005, 2008  Matthew Hiller,Adam Tee, Richard Shann
 */

#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_("Treble Octava bassa")},
  {DENEMO_TENOR_CLEF, N_("Tenor")},
  {DENEMO_SOPRANO_CLEF, N_("Soprano")},
  {DENEMO_F_8_CLEF, N_("Bass Octava bassa")},
  {DENEMO_FRENCH_CLEF, N_("French")},
};

const gchar *get_clef_name(gint type) {
  if(type>=0 && (type<G_N_ELEMENTS(clef_info)))
    return  clef_info[type].name;
  return NULL;
}

static enum clefs get_clef_from_name(gchar *name) {
  gint i;
  for(i=0;i<G_N_ELEMENTS(clef_info);i++) {
    if(!g_ascii_strcasecmp(name, clef_info[i].name))
      return clef_info[i].clef;
  }
  return DENEMO_INVALID_CLEF;
}
/**
 * Callback to insert a clef change 
 * calls clef change with the INSERT argument
 */
void
clef_change_insert (GtkAction *action, DenemoScriptParam * param)
{
  GET_1PARAM(action, param, clefname);
  DenemoGUI *gui = Denemo.gui;
  if(clefname==NULL)
    clef_change (gui, INSERT);
 else {
   enum clefs clef = get_clef_from_name(clefname);
   if(clef!=DENEMO_INVALID_CLEF)
     object_insert (gui, dnm_newclefobj (clef));
   displayhelper (gui);
 }
}

/**
 * Callback to change the inital clef on a staff 
 * calls clef change with the CHANGEINITIAL argument
 */
void
clef_change_initial (GtkAction * action, DenemoScriptParam * param)
{
  GET_1PARAM(action, param, clefname);
  DenemoGUI *gui = Denemo.gui;
  if(clefname==NULL)
    clef_change (gui, CHANGEINITIAL);
  else {
    enum clefs clef = get_clef_from_name(clefname);
   if(clef!=DENEMO_INVALID_CLEF)
     dnm_setinitialclef (gui->si, gui->si->currentstaff->data, clef);
   displayhelper (gui);
  }
}

void
dnm_setinitialclef (DenemoScore * si, DenemoStaff * curstaffstruct,
		    enum clefs clef)
{
  curstaffstruct->clef.type = 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 * gui, actiontype action)
{
  GtkWidget *dialog;
  GtkWidget *label;
  GtkWidget *combobox;
  GtkListStore *list_store;
  GtkTreeIter iter;
  GtkCellRenderer *renderer;
  DenemoStaff *curstaffstruct = (DenemoStaff *) gui->si->currentstaff->data;
  int i;
   
  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->clef.type)
	{
	  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_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)
	{
	  dnm_setinitialclef (gui->si, curstaffstruct, clef);
	}
      else
	{
	  if(gui->si->currentobject && ((DenemoObject*)gui->si->currentobject->data)->type==CLEF)
	    deleteobject(gui);
	  object_insert (gui, dnm_newclefobj (clef));

	}
      score_status(gui, TRUE);
      displayhelper (gui);
    }
  gtk_widget_destroy (dialog);
}
