[andy/viking.git] / src / uibuilder.c

/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include <gtk/gtk.h>
#include "uibuilder.h"
#include "vikradiogroup.h"
#include "vikfileentry.h"
#include "vikfilelist.h"

GtkWidget *a_uibuilder_new_widget ( VikLayerParam *param, VikLayerParamData data )
{
  GtkWidget *rv = NULL;
  switch ( param->widget_type )
  {
    case VIK_LAYER_WIDGET_COLOR:
      if ( param->type == VIK_LAYER_PARAM_COLOR )
        rv = gtk_color_button_new_with_color ( &(data.c) );
      break;
    case VIK_LAYER_WIDGET_CHECKBUTTON:
      if ( param->type == VIK_LAYER_PARAM_BOOLEAN )
      {
        //rv = gtk_check_button_new_with_label ( //param->title );
        rv = gtk_check_button_new ();
        if ( data.b )
          gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON(rv), TRUE );
      }
      break;
    case VIK_LAYER_WIDGET_COMBOBOX:
#ifndef GTK_2_2
      if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data )
      {
        gchar **pstr = param->widget_data;
        rv = gtk_combo_box_new_text ();
        while ( *pstr )
          gtk_combo_box_append_text ( GTK_COMBO_BOX ( rv ), *(pstr++) );
        if ( param->extra_widget_data ) /* map of alternate uint values for options */
        {
          int i;
          for ( i = 0; ((const char **)param->widget_data)[i]; i++ )
            if ( ((guint *)param->extra_widget_data)[i] == data.u )
            {
              gtk_combo_box_set_active ( GTK_COMBO_BOX(rv), i );
              break;
            }
        }
        gtk_combo_box_set_active ( GTK_COMBO_BOX ( rv ), data.u );
      }
      break;
#endif
    case VIK_LAYER_WIDGET_RADIOGROUP:
      /* widget_data and extra_widget_data are GList */
      if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data )
      {
        rv = vik_radio_group_new ( param->widget_data );
        if ( param->extra_widget_data ) /* map of alternate uint values for options */
        {
          int i;
	  int nb_elem = g_list_length(param->widget_data);
          for ( i = 0; i < nb_elem; i++ )
            if ( (guint32)g_list_nth_data(param->extra_widget_data, i) == data.u )
            {
              vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), i );
              break;
            }
        }
        else if ( data.u ) /* zero is already default */
          vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), data.u );
      }
      break;
    case VIK_LAYER_WIDGET_RADIOGROUP_STATIC:
      if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data )
      {
        rv = vik_radio_group_new_static ( (const gchar **) param->widget_data );
        if ( param->extra_widget_data ) /* map of alternate uint values for options */
        {
          int i;
          for ( i = 0; ((const char **)param->widget_data)[i]; i++ )
            if ( ((guint *)param->extra_widget_data)[i] == data.u )
            {
              vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), i );
              break;
            }
        }
        else if ( data.u ) /* zero is already default */
          vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), data.u );
      }
      break;
    case VIK_LAYER_WIDGET_SPINBUTTON:
      if ( (param->type == VIK_LAYER_PARAM_DOUBLE || param->type == VIK_LAYER_PARAM_UINT
           || param->type == VIK_LAYER_PARAM_INT)  && param->widget_data )
      {
        gdouble init_val = (param->type == VIK_LAYER_PARAM_DOUBLE) ? data.d : (param->type == VIK_LAYER_PARAM_UINT ? data.u : data.i);
        VikLayerParamScale *scale = (VikLayerParamScale *) param->widget_data;
        rv = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( init_val, scale->min, scale->max, scale->step, scale->step, scale->step )), scale->step, scale->digits );
      }
    break;
    case VIK_LAYER_WIDGET_ENTRY:
      if ( param->type == VIK_LAYER_PARAM_STRING )
      {
        rv = gtk_entry_new ();
        gtk_entry_set_text ( GTK_ENTRY(rv), data.s );
      }
      break;
    case VIK_LAYER_WIDGET_FILEENTRY:
      if ( param->type == VIK_LAYER_PARAM_STRING )
      {
        rv = vik_file_entry_new ();
        vik_file_entry_set_filename ( VIK_FILE_ENTRY(rv), data.s );
      }
      break;
    case VIK_LAYER_WIDGET_FILELIST:
      if ( param->type == VIK_LAYER_PARAM_STRING_LIST )
      {
        rv = vik_file_list_new ( param->title );
        vik_file_list_set_files ( VIK_FILE_LIST(rv), data.sl );
      }
      break;
    case VIK_LAYER_WIDGET_HSCALE:
      if ( (param->type == VIK_LAYER_PARAM_DOUBLE || param->type == VIK_LAYER_PARAM_UINT
           || param->type == VIK_LAYER_PARAM_INT)  && param->widget_data )
      {
        gdouble init_val = (param->type == VIK_LAYER_PARAM_DOUBLE) ? data.d : (param->type == VIK_LAYER_PARAM_UINT ? data.u : data.i);
        VikLayerParamScale *scale = (VikLayerParamScale *) param->widget_data;
        rv = gtk_hscale_new_with_range ( scale->min, scale->max, scale->step );
        gtk_scale_set_digits ( GTK_SCALE(rv), scale->digits );
        gtk_range_set_value ( GTK_RANGE(rv), init_val );
      }
  }
  return rv;
}

VikLayerParamData a_uibuilder_widget_get_value ( GtkWidget *widget, VikLayerParam *param )
{
  VikLayerParamData rv;
  switch ( param->widget_type )
  {
    case VIK_LAYER_WIDGET_COLOR:
      gtk_color_button_get_color ( GTK_COLOR_BUTTON(widget), &(rv.c) );
      break;
    case VIK_LAYER_WIDGET_CHECKBUTTON:
      rv.b = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
      break;
    case VIK_LAYER_WIDGET_COMBOBOX:
#ifndef GTK_2_2
      rv.i = gtk_combo_box_get_active ( GTK_COMBO_BOX(widget) );
      if ( rv.i == -1 ) rv.i = 0;
      rv.u = rv.i;
      if ( param->extra_widget_data )
        rv.u = ((guint *)param->extra_widget_data)[rv.u];
      break;
#endif
    case VIK_LAYER_WIDGET_RADIOGROUP:
    case VIK_LAYER_WIDGET_RADIOGROUP_STATIC:
      rv.u = vik_radio_group_get_selected(VIK_RADIO_GROUP(widget));
      if ( param->extra_widget_data )
        rv.u = (guint32)g_list_nth_data(param->extra_widget_data, rv.u);
      break;
    case VIK_LAYER_WIDGET_SPINBUTTON:
      if ( param->type == VIK_LAYER_PARAM_UINT )
        rv.u = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widget) );
      else if ( param->type == VIK_LAYER_PARAM_INT )
        rv.i = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widget) );
      else
        rv.d = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(widget) );
      break;
    case VIK_LAYER_WIDGET_ENTRY:
      rv.s = gtk_entry_get_text ( GTK_ENTRY(widget) );
      break;
    case VIK_LAYER_WIDGET_FILEENTRY:
      rv.s = vik_file_entry_get_filename ( VIK_FILE_ENTRY(widget) );
      break;
    case VIK_LAYER_WIDGET_FILELIST:
      rv.sl = vik_file_list_get_files ( VIK_FILE_LIST(widget) );
      break;
    case VIK_LAYER_WIDGET_HSCALE:
      if ( param->type == VIK_LAYER_PARAM_UINT )
        rv.u = (guint32) gtk_range_get_value ( GTK_RANGE(widget) );
      else if ( param->type == VIK_LAYER_PARAM_INT )
        rv.i = (gint32) gtk_range_get_value ( GTK_RANGE(widget) );
      else
        rv.d = gtk_range_get_value ( GTK_RANGE(widget) );
      break;
  }
  return rv;
}


gint a_uibuilder_properties_factory ( GtkWindow *parent, VikLayerParam *params,
			guint16 params_count, gchar **groups, guint8 groups_count,
			gboolean (*setparam) (gpointer,guint16,VikLayerParamData,gpointer),
			gpointer pass_along1, gpointer pass_along2,
			VikLayerParamData (*getparam) (gpointer,guint16),
			gpointer pass_along_getparam )
				/* pass_along1 and pass_along2 are for set_param first and last params */
{
  guint16 i, j, widget_count = 0;
  gboolean must_redraw = FALSE;

  if ( ! params )
    return 1; /* no params == no options, so all is good */

  for ( i = 0; i < params_count; i++ )
    if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
      widget_count++;

  if ( widget_count == 0)
    return 0; /* TODO -- should be one? */
  else
  {
    /* create widgets and titles; place in table */
    GtkWidget *dialog = gtk_dialog_new_with_buttons ( "Layer Properties",
                            parent,
                            GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
                            GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
                            GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL );
    gint resp;


    GtkWidget *table = NULL;
    GtkWidget **tables = NULL; /* for more than one group */

    GtkWidget *notebook = NULL;
    GtkWidget **widgets = g_malloc ( sizeof(GtkWidget *) * widget_count );

    if ( groups && groups_count > 1 )
    {
      guint8 current_group;
      guint16 tab_widget_count;
      notebook = gtk_notebook_new ();
      gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), notebook, FALSE, FALSE, 0);
      tables = g_malloc ( sizeof(GtkWidget *) * groups_count );
      for ( current_group = 0; current_group < groups_count; current_group++ )
      {
        tab_widget_count = 0;
        for ( j = 0; j < params_count; j ++ )
          if ( params[j].group == current_group )
            tab_widget_count++;

        if ( tab_widget_count )
        {
          tables[current_group] = gtk_table_new ( tab_widget_count, 1, FALSE );
          gtk_notebook_append_page ( GTK_NOTEBOOK(notebook), tables[current_group], gtk_label_new(groups[current_group]) );
        }
      }
    }
    else
    {
      table = gtk_table_new( widget_count, 1, FALSE );
      gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), table, FALSE, FALSE, 0);
    }

    for ( i = 0, j = 0; i < params_count; i++ )
    {
      if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
      {
        if ( tables )
          table = tables[MAX(0, params[i].group)]; /* round up NOT_IN_GROUP, that's not reasonable here */

        widgets[j] = a_uibuilder_new_widget ( &(params[i]), getparam ( pass_along_getparam, i ) );

        g_assert ( widgets[j] != NULL );

        gtk_table_attach ( GTK_TABLE(table), gtk_label_new(params[i].title), 0, 1, j, j+1, 0, 0, 0, 0 );
        gtk_table_attach ( GTK_TABLE(table), widgets[j], 1, 2, j, j+1, GTK_EXPAND | GTK_FILL, 0, 2, 2 );
        j++;
      }
    }

    gtk_widget_show_all ( dialog );

    resp = gtk_dialog_run (GTK_DIALOG (dialog));
    if ( resp == GTK_RESPONSE_ACCEPT )
    {
      for ( i = 0, j = 0; i < params_count; i++ )
      {
        if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
        {
          if ( setparam ( pass_along1, i,
              a_uibuilder_widget_get_value ( widgets[j], &(params[i]) ), pass_along2 ) )
            must_redraw = TRUE;
          j++;
        }
      }

      gtk_widget_destroy ( dialog ); /* hide before redrawing. */
      g_free ( widgets );

      return must_redraw ? 2 : 3; /* user clicked OK */
    }

    if ( tables )
      g_free ( tables );
    gtk_widget_destroy ( dialog );
    g_free ( widgets );
    return 0;
  }
}


static void uibuilder_run_setparam ( VikLayerParamData *paramdatas, guint16 i, VikLayerParamData data, VikLayerParam *params )
{
  /* could have to copy it if it's a string! */
  switch ( params[i].type ) {
    case VIK_LAYER_PARAM_STRING:
      paramdatas[i].s = g_strdup ( data.s );
      break;
    default:
     paramdatas[i] = data; /* string list will have to be freed by layer. anything else not freed */
  }
}

static VikLayerParamData uibuilder_run_getparam ( VikLayerParamData *params_defaults, guint16 i )
{
  return params_defaults[i];
}


VikLayerParamData *a_uibuilder_run_dialog ( GtkWindow *parent, VikLayerParam *params,
                        guint16 params_count, gchar **groups, guint8 groups_count,
                        VikLayerParamData *params_defaults )
{
    VikLayerParamData *paramdatas = g_new(VikLayerParamData, params_count);
    if ( a_uibuilder_properties_factory ( parent, params, params_count, groups, groups_count,
                                uibuilder_run_setparam, paramdatas, params,
                                uibuilder_run_getparam, params_defaults ) > 0 ) {

      return paramdatas;
    }
    g_free ( paramdatas );
    return NULL;
}

/* frees data from last (if ness) */
void a_uibuilder_free_paramdatas ( VikLayerParamData *paramdatas, VikLayerParam *params, guint16 params_count )
{
  int i;
  /* may have to free strings, etc. */
  for ( i = 0; i < params_count; i++ ) {
    switch ( params[i].type ) {
      case VIK_LAYER_PARAM_STRING:
        g_free ( (gchar *) paramdatas[i].s );
        break;
      case VIK_LAYER_PARAM_STRING_LIST: {
        /* should make a util function out of this */
        GList *iter = paramdatas[i].sl;
        while ( iter ) {
          g_free ( iter->data );
          iter = iter->next;
        }
        g_list_free ( paramdatas[i].sl );
        break;
      }
    }
  }
  g_free ( paramdatas );
}
Commit	Line	Data
f33aa4e0 EB	1	/*
	2	* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
	3	*
	4	* Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	*/
	21	#include <gtk/gtk.h>
	22	#include "uibuilder.h"
	23	#include "vikradiogroup.h"
	24	#include "vikfileentry.h"
	25	#include "vikfilelist.h"
	26
	27	GtkWidget a_uibuilder_new_widget ( VikLayerParam param, VikLayerParamData data )
	28	{
	29	GtkWidget *rv = NULL;
	30	switch ( param->widget_type )
	31	{
	32	case VIK_LAYER_WIDGET_COLOR:
	33	if ( param->type == VIK_LAYER_PARAM_COLOR )
	34	rv = gtk_color_button_new_with_color ( &(data.c) );
	35	break;
	36	case VIK_LAYER_WIDGET_CHECKBUTTON:
	37	if ( param->type == VIK_LAYER_PARAM_BOOLEAN )
	38	{
	39	//rv = gtk_check_button_new_with_label ( //param->title );
	40	rv = gtk_check_button_new ();
	41	if ( data.b )
	42	gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON(rv), TRUE );
	43	}
	44	break;
	45	case VIK_LAYER_WIDGET_COMBOBOX:
	46	#ifndef GTK_2_2
	47	if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data )
	48	{
	49	gchar **pstr = param->widget_data;
	50	rv = gtk_combo_box_new_text ();
	51	while ( *pstr )
	52	gtk_combo_box_append_text ( GTK_COMBO_BOX ( rv ), *(pstr++) );
	53	if ( param->extra_widget_data ) /* map of alternate uint values for options */
	54	{
	55	int i;
	56	for ( i = 0; ((const char **)param->widget_data)[i]; i++ )
	57	if ( ((guint *)param->extra_widget_data)[i] == data.u )
	58	{
	59	gtk_combo_box_set_active ( GTK_COMBO_BOX(rv), i );
	60	break;
	61	}
	62	}
	63	gtk_combo_box_set_active ( GTK_COMBO_BOX ( rv ), data.u );
	64	}
65	break;
66	#endif
67	case VIK_LAYER_WIDGET_RADIOGROUP:
68	/* widget_data and extra_widget_data are GList */
69	if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data )
70	{
71	rv = vik_radio_group_new ( param->widget_data );
72	if ( param->extra_widget_data ) /* map of alternate uint values for options */
73	{
74	int i;
75	int nb_elem = g_list_length(param->widget_data);
76	for ( i = 0; i < nb_elem; i++ )
77	if ( (guint32)g_list_nth_data(param->extra_widget_data, i) == data.u )
78	{
79	vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), i );
80	break;
81	}
82	}
83	else if ( data.u ) /* zero is already default */
84	vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), data.u );
85	}
86	break;
87	case VIK_LAYER_WIDGET_RADIOGROUP_STATIC:
88	if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data )
89	{
90	rv = vik_radio_group_new_static ( (const gchar **) param->widget_data );
91	if ( param->extra_widget_data ) /* map of alternate uint values for options */
92	{
93	int i;
94	for ( i = 0; ((const char **)param->widget_data)[i]; i++ )
95	if ( ((guint *)param->extra_widget_data)[i] == data.u )
96	{
97	vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), i );
98	break;
99	}
100	}
101	else if ( data.u ) /* zero is already default */
102	vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), data.u );
103	}
104	break;
105	case VIK_LAYER_WIDGET_SPINBUTTON:
106	if ( (param->type == VIK_LAYER_PARAM_DOUBLE \|\| param->type == VIK_LAYER_PARAM_UINT
107	\|\| param->type == VIK_LAYER_PARAM_INT) && param->widget_data )
108	{
109	gdouble init_val = (param->type == VIK_LAYER_PARAM_DOUBLE) ? data.d : (param->type == VIK_LAYER_PARAM_UINT ? data.u : data.i);
110	VikLayerParamScale scale = (VikLayerParamScale ) param->widget_data;
111	rv = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( init_val, scale->min, scale->max, scale->step, scale->step, scale->step )), scale->step, scale->digits );
112	}
113	break;
114	case VIK_LAYER_WIDGET_ENTRY:
115	if ( param->type == VIK_LAYER_PARAM_STRING )
116	{
117	rv = gtk_entry_new ();
118	gtk_entry_set_text ( GTK_ENTRY(rv), data.s );
119	}
120	break;
121	case VIK_LAYER_WIDGET_FILEENTRY:
122	if ( param->type == VIK_LAYER_PARAM_STRING )
123	{
124	rv = vik_file_entry_new ();
125	vik_file_entry_set_filename ( VIK_FILE_ENTRY(rv), data.s );
126	}
127	break;
128	case VIK_LAYER_WIDGET_FILELIST:
129	if ( param->type == VIK_LAYER_PARAM_STRING_LIST )
130	{
131	rv = vik_file_list_new ( param->title );
132	vik_file_list_set_files ( VIK_FILE_LIST(rv), data.sl );
133	}
134	break;
135	case VIK_LAYER_WIDGET_HSCALE:
136	if ( (param->type == VIK_LAYER_PARAM_DOUBLE \|\| param->type == VIK_LAYER_PARAM_UINT
137	\|\| param->type == VIK_LAYER_PARAM_INT) && param->widget_data )
138	{
139	gdouble init_val = (param->type == VIK_LAYER_PARAM_DOUBLE) ? data.d : (param->type == VIK_LAYER_PARAM_UINT ? data.u : data.i);
140	VikLayerParamScale scale = (VikLayerParamScale ) param->widget_data;
141	rv = gtk_hscale_new_with_range ( scale->min, scale->max, scale->step );
142	gtk_scale_set_digits ( GTK_SCALE(rv), scale->digits );
143	gtk_range_set_value ( GTK_RANGE(rv), init_val );
144	}
145	}
146	return rv;
147	}
148
149	VikLayerParamData a_uibuilder_widget_get_value ( GtkWidget widget, VikLayerParam param )
150	{
151	VikLayerParamData rv;
152	switch ( param->widget_type )
153	{
154	case VIK_LAYER_WIDGET_COLOR:
155	gtk_color_button_get_color ( GTK_COLOR_BUTTON(widget), &(rv.c) );
156	break;
157	case VIK_LAYER_WIDGET_CHECKBUTTON:
158	rv.b = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
159	break;
160	case VIK_LAYER_WIDGET_COMBOBOX:
161	#ifndef GTK_2_2
162	rv.i = gtk_combo_box_get_active ( GTK_COMBO_BOX(widget) );
163	if ( rv.i == -1 ) rv.i = 0;
164	rv.u = rv.i;
165	if ( param->extra_widget_data )
166	rv.u = ((guint *)param->extra_widget_data)[rv.u];
167	break;
168	#endif
169	case VIK_LAYER_WIDGET_RADIOGROUP:
170	case VIK_LAYER_WIDGET_RADIOGROUP_STATIC:
171	rv.u = vik_radio_group_get_selected(VIK_RADIO_GROUP(widget));
172	if ( param->extra_widget_data )
173	rv.u = (guint32)g_list_nth_data(param->extra_widget_data, rv.u);
174	break;
175	case VIK_LAYER_WIDGET_SPINBUTTON:
176	if ( param->type == VIK_LAYER_PARAM_UINT )
177	rv.u = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widget) );
178	else if ( param->type == VIK_LAYER_PARAM_INT )
179	rv.i = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widget) );
180	else
181	rv.d = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(widget) );
182	break;
183	case VIK_LAYER_WIDGET_ENTRY:
184	rv.s = gtk_entry_get_text ( GTK_ENTRY(widget) );
185	break;
186	case VIK_LAYER_WIDGET_FILEENTRY:
187	rv.s = vik_file_entry_get_filename ( VIK_FILE_ENTRY(widget) );
188	break;
189	case VIK_LAYER_WIDGET_FILELIST:
190	rv.sl = vik_file_list_get_files ( VIK_FILE_LIST(widget) );
191	break;
192	case VIK_LAYER_WIDGET_HSCALE:
193	if ( param->type == VIK_LAYER_PARAM_UINT )
194	rv.u = (guint32) gtk_range_get_value ( GTK_RANGE(widget) );
195	else if ( param->type == VIK_LAYER_PARAM_INT )
196	rv.i = (gint32) gtk_range_get_value ( GTK_RANGE(widget) );
197	else
198	rv.d = gtk_range_get_value ( GTK_RANGE(widget) );
199	break;
200	}
201	return rv;
202	}
203
204
205	gint a_uibuilder_properties_factory ( GtkWindow parent, VikLayerParam params,
206	guint16 params_count, gchar **groups, guint8 groups_count,
207	gboolean (*setparam) (gpointer,guint16,VikLayerParamData,gpointer),
208	gpointer pass_along1, gpointer pass_along2,
209	VikLayerParamData (*getparam) (gpointer,guint16),
210	gpointer pass_along_getparam )
211	/* pass_along1 and pass_along2 are for set_param first and last params */
212	{
213	guint16 i, j, widget_count = 0;
214	gboolean must_redraw = FALSE;
215
216	if ( ! params )
217	return 1; /* no params == no options, so all is good */
218
219	for ( i = 0; i < params_count; i++ )
220	if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
221	widget_count++;
222
223	if ( widget_count == 0)
224	return 0; /* TODO -- should be one? */
225	else
226	{
227	/* create widgets and titles; place in table */
228	GtkWidget *dialog = gtk_dialog_new_with_buttons ( "Layer Properties",
229	parent,
230	GTK_DIALOG_MODAL \| GTK_DIALOG_DESTROY_WITH_PARENT,
231	GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
232	GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL );
233	gint resp;
234
235
236	GtkWidget *table = NULL;
237	GtkWidget *tables = NULL; / for more than one group */
238
239	GtkWidget *notebook = NULL;
240	GtkWidget *widgets = g_malloc ( sizeof(GtkWidget ) * widget_count );
241
242	if ( groups && groups_count > 1 )
243	{
244	guint8 current_group;
245	guint16 tab_widget_count;
246	notebook = gtk_notebook_new ();
247	gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), notebook, FALSE, FALSE, 0);
248	tables = g_malloc ( sizeof(GtkWidget ) groups_count );
249	for ( current_group = 0; current_group < groups_count; current_group++ )
250	{
251	tab_widget_count = 0;
252	for ( j = 0; j < params_count; j ++ )
253	if ( params[j].group == current_group )
254	tab_widget_count++;
255
256	if ( tab_widget_count )
257	{
258	tables[current_group] = gtk_table_new ( tab_widget_count, 1, FALSE );
259	gtk_notebook_append_page ( GTK_NOTEBOOK(notebook), tables[current_group], gtk_label_new(groups[current_group]) );
260	}
261	}
262	}
263	else
264	{
265	table = gtk_table_new( widget_count, 1, FALSE );
266	gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), table, FALSE, FALSE, 0);
267	}
268
269	for ( i = 0, j = 0; i < params_count; i++ )
270	{
271	if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
272	{
273	if ( tables )
274	table = tables[MAX(0, params[i].group)]; /* round up NOT_IN_GROUP, that's not reasonable here */
275
276	widgets[j] = a_uibuilder_new_widget ( &(params[i]), getparam ( pass_along_getparam, i ) );
277
278	g_assert ( widgets[j] != NULL );
279
280	gtk_table_attach ( GTK_TABLE(table), gtk_label_new(params[i].title), 0, 1, j, j+1, 0, 0, 0, 0 );
281	gtk_table_attach ( GTK_TABLE(table), widgets[j], 1, 2, j, j+1, GTK_EXPAND \| GTK_FILL, 0, 2, 2 );
282	j++;
283	}
284	}
285
286	gtk_widget_show_all ( dialog );
287
288	resp = gtk_dialog_run (GTK_DIALOG (dialog));
289	if ( resp == GTK_RESPONSE_ACCEPT )
290	{
291	for ( i = 0, j = 0; i < params_count; i++ )
292	{
293	if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
294	{
295	if ( setparam ( pass_along1, i,
296	a_uibuilder_widget_get_value ( widgets[j], &(params[i]) ), pass_along2 ) )
297	must_redraw = TRUE;
298	j++;
299	}
300	}
301
302	gtk_widget_destroy ( dialog ); /* hide before redrawing. */
303	g_free ( widgets );
304
305	return must_redraw ? 2 : 3; /* user clicked OK */
306	}
307
308	if ( tables )
309	g_free ( tables );
310	gtk_widget_destroy ( dialog );
311	g_free ( widgets );
312	return 0;
313	}
314	}
315
316
317	static void uibuilder_run_setparam ( VikLayerParamData paramdatas, guint16 i, VikLayerParamData data, VikLayerParam params )
318	{
319	/* could have to copy it if it's a string! */
320	switch ( params[i].type ) {
321	case VIK_LAYER_PARAM_STRING:
322	paramdatas[i].s = g_strdup ( data.s );
323	break;
324	default:
325	paramdatas[i] = data; /* string list will have to be freed by layer. anything else not freed */
326	}
327	}
328
329	static VikLayerParamData uibuilder_run_getparam ( VikLayerParamData *params_defaults, guint16 i )
330	{
331	return params_defaults[i];
332	}
333
334
335	VikLayerParamData a_uibuilder_run_dialog ( GtkWindow parent, VikLayerParam *params,
336	guint16 params_count, gchar **groups, guint8 groups_count,
337	VikLayerParamData *params_defaults )
338	{
339	VikLayerParamData *paramdatas = g_new(VikLayerParamData, params_count);
340	if ( a_uibuilder_properties_factory ( parent, params, params_count, groups, groups_count,
341	uibuilder_run_setparam, paramdatas, params,
342	uibuilder_run_getparam, params_defaults ) > 0 ) {
343
344	return paramdatas;
345	}
346	g_free ( paramdatas );
347	return NULL;
348	}
349
350	/* frees data from last (if ness) */
351	void a_uibuilder_free_paramdatas ( VikLayerParamData paramdatas, VikLayerParam params, guint16 params_count )
352	{
353	int i;
354	/* may have to free strings, etc. */
355	for ( i = 0; i < params_count; i++ ) {
356	switch ( params[i].type ) {
357	case VIK_LAYER_PARAM_STRING:
358	g_free ( (gchar *) paramdatas[i].s );
359	break;
360	case VIK_LAYER_PARAM_STRING_LIST: {
361	/* should make a util function out of this */
362	GList *iter = paramdatas[i].sl;
363	while ( iter ) {
364	g_free ( iter->data );
365	iter = iter->next;
366	}
367	g_list_free ( paramdatas[i].sl );
368	break;
369	}
370	}
371	}
372	g_free ( paramdatas );
373	}