trunk/src/list.c

/*
 * Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>.
 *
 * This file is part of OSM2Go.
 *
 * OSM2Go 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 3 of the License, or
 * (at your option) any later version.
 *
 * OSM2Go 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 OSM2Go.  If not, see <http://www.gnu.org/licenses/>.
 */

/*
 * list.c - generic implementation of a list style widget:
 *          
 * +---------+-----------+
 * | Key     | Key       |
 * +---------+-----------+
 * | Test1    Test2     ^|
 * | Test3    Test4     #|
 * |                    ||
 * |                    v|
 * +---------------------+
 * ( Add )( Edit )(Remove)
 */

#include "appdata.h"

#include <stdarg.h>

typedef struct {
  GtkWidget *view;
  GtkMenu *menu;

  struct {
    gboolean(*func)(GtkTreeSelection *, GtkTreeModel *,
                    GtkTreePath *, gboolean,
                    gpointer);
    gpointer data;
  } sel;

  GtkWidget *table;

  struct {
    gpointer data;
    GtkWidget *widget[6];
    int flags;
  } button;

} list_priv_t;

#ifdef FREMANTLE_USE_POPUP

static void cmenu_init(GtkWidget *list) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  /* Create needed handles. */
  priv->menu = GTK_MENU(gtk_menu_new());

  gtk_widget_tap_and_hold_setup(priv->view, GTK_WIDGET(priv->menu), NULL, 0);
}

static GtkWidget *cmenu_append(GtkWidget *list, char *label, 
                               GCallback cb, gpointer data) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  GtkWidget *menu_item;

  /* Setup the map context menu. */
  gtk_menu_append(priv->menu, menu_item
                  = gtk_menu_item_new_with_label(label));

  hildon_gtk_widget_set_theme_size(menu_item, 
           (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH));

  gtk_signal_connect(GTK_OBJECT(menu_item), "activate", 
                     GTK_SIGNAL_FUNC(cb), data);

  gtk_widget_show_all(GTK_WIDGET(priv->menu));

  return menu_item;
}

#endif

GtkWidget *list_get_view(GtkWidget *list) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);
  return priv->view;
}

/* a list supports up to three user defined buttons besides */
/* add, edit and remove */
void list_set_user_buttons(GtkWidget *list, ...) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  va_list ap;

  /* make space for user buttons */
  gtk_table_resize(GTK_TABLE(priv->table), 2, 3);

  va_start(ap, list);
  list_button_t id = va_arg(ap, list_button_t);
  while(id) {
    char *label = va_arg(ap, char*);
    GCallback cb = va_arg(ap, GCallback);

    priv->button.widget[id] = gtk_button_new_with_label(label);
#ifdef FREMANTLE_PANNABLE_AREA
    if(priv->button.flags & LIST_BTN_BIG)
      hildon_gtk_widget_set_theme_size(priv->button.widget[id], 
               (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH));
#endif
    gtk_table_attach_defaults(GTK_TABLE(priv->table), priv->button.widget[id], 
              id-LIST_BUTTON_USER0, id-LIST_BUTTON_USER0+1, 1, 2);
    gtk_signal_connect(GTK_OBJECT(priv->button.widget[id]), "clicked", 
                       GTK_SIGNAL_FUNC(cb), priv->button.data);

    id = va_arg(ap, list_button_t);
  }

  va_end(ap);
}

void list_set_columns(GtkWidget *list, ...) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);
  va_list ap;

  va_start(ap, list);
  char *name = va_arg(ap, char*);
  while(name) {
    int hlkey = -1, key = va_arg(ap, int);
    int flags = va_arg(ap, int);

    if(flags & LIST_FLAG_CAN_HIGHLIGHT)
      hlkey = va_arg(ap, int);

    GtkTreeViewColumn *column = NULL;

    if(flags & LIST_FLAG_TOGGLE) {
      GCallback cb = va_arg(ap, GCallback);
      gpointer data = va_arg(ap, gpointer);

      GtkCellRenderer *renderer = gtk_cell_renderer_toggle_new();
      column = gtk_tree_view_column_new_with_attributes(
                           name, renderer, "active", key, NULL);
      g_signal_connect(renderer, "toggled", cb, data);
    
    } else if(flags & LIST_FLAG_STOCK_ICON) {
      GtkCellRenderer *pixbuf_renderer = gtk_cell_renderer_pixbuf_new();
      column = gtk_tree_view_column_new_with_attributes(name,
                  pixbuf_renderer, "stock_id", key, NULL);
    } else {
      GtkCellRenderer *renderer = gtk_cell_renderer_text_new();

      if(flags & LIST_FLAG_CAN_HIGHLIGHT)
        g_object_set(renderer, "background", "red", NULL );

      if(flags & LIST_FLAG_ELLIPSIZE)
        g_object_set(renderer, "ellipsize", PANGO_ELLIPSIZE_END, NULL);

      column = gtk_tree_view_column_new_with_attributes(name, renderer, 
        "text", key, 
         (flags & LIST_FLAG_CAN_HIGHLIGHT)?"background-set":NULL, hlkey,
        NULL);

      gtk_tree_view_column_set_expand(column, 
                      flags & (LIST_FLAG_EXPAND | LIST_FLAG_ELLIPSIZE));
    }
    
    gtk_tree_view_column_set_sort_column_id(column, key);
    gtk_tree_view_insert_column(GTK_TREE_VIEW(priv->view), column, -1);
    
    name = va_arg(ap, char*);
  }

  va_end(ap);
}

static GtkWidget *list_button_get(GtkWidget *list, list_button_t id) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  return priv->button.widget[id];
}

void list_button_connect(GtkWidget *list, list_button_t id, 
                         GCallback cb, gpointer data) {
  GtkWidget *but = list_button_get(list, id);
  gtk_signal_connect(GTK_OBJECT(but), "clicked", GTK_SIGNAL_FUNC(cb), data);
}

/* put a custom widget into one of the button slots */
void list_set_custom_user_button(GtkWidget *list, list_button_t id, 
                                 GtkWidget *widget) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);
  g_assert((id >= 3) && (id < 6));

  /* make space for user buttons */
  gtk_table_resize(GTK_TABLE(priv->table), 2, 3);
  
  gtk_table_attach_defaults(GTK_TABLE(priv->table), widget,
                    id-LIST_BUTTON_USER0, id-LIST_BUTTON_USER0+1, 1, 2);
  priv->button.widget[id] = widget;
}

GtkTreeSelection *list_get_selection(GtkWidget *list) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  GtkTreeSelection *sel = 
    gtk_tree_view_get_selection(GTK_TREE_VIEW(priv->view));

  return sel;
}

gboolean list_get_selected(GtkWidget *list, GtkTreeModel **model,
                           GtkTreeIter *iter) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  GtkTreeSelection *sel =
    gtk_tree_view_get_selection(GTK_TREE_VIEW(priv->view));

  return gtk_tree_selection_get_selected(sel, model, iter);
}

void list_button_enable(GtkWidget *list, list_button_t id, gboolean enable) {
  GtkWidget *but = list_button_get(list, id);
  if(but) gtk_widget_set_sensitive(but, enable);
}

void list_set_store(GtkWidget *list, GtkListStore *store) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  gtk_tree_view_set_model(GTK_TREE_VIEW(priv->view), GTK_TREE_MODEL(store));
}

void list_set_selection_function(GtkWidget *list, GtkTreeSelectionFunc func,
                                 gpointer data) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  priv->sel.func = func;
  priv->sel.data = data;
}

/* default selection function enables edit and remove if a row is being */
/* selected */
static gboolean
list_selection_function(GtkTreeSelection *selection, GtkTreeModel *model,
                        GtkTreePath *path, gboolean path_currently_selected,
                        gpointer list) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  GtkTreeIter iter;

  if(gtk_tree_model_get_iter(model, &iter, path)) {
    g_assert(gtk_tree_path_get_depth(path) == 1);

    /* this is now handled by the "changed" event handler */
    //    list_button_enable(GTK_WIDGET(list), LIST_BUTTON_REMOVE, TRUE);
    //    list_button_enable(GTK_WIDGET(list), LIST_BUTTON_EDIT, TRUE);
  }

  if(priv->sel.func)
    return priv->sel.func(selection, model, path, path_currently_selected, 
                          priv->sel.data);

  return TRUE; /* allow selection state to change */
}

static void on_row_activated(GtkTreeView *treeview,
                             GtkTreePath        *path,
                             GtkTreeViewColumn  *col,
                             gpointer            userdata) {
  GtkTreeIter   iter;
  GtkTreeModel *model = gtk_tree_view_get_model(treeview);

  printf("row activated\n");

  if(gtk_tree_model_get_iter(model, &iter, path)) {
    list_priv_t *priv = g_object_get_data(G_OBJECT(userdata), "priv");
    g_assert(priv);

    GtkWidget *toplevel = gtk_widget_get_toplevel(GTK_WIDGET(treeview));
    g_assert(GTK_IS_DIALOG(toplevel));

    /* emit a "response accept" signal so we might close the */
    /* dialog */
    gtk_dialog_response(GTK_DIALOG(toplevel), GTK_RESPONSE_ACCEPT);
  }
}

void list_set_static_buttons(GtkWidget *list, int flags,
                             GCallback cb_new, GCallback cb_edit, 
                             GCallback cb_remove, gpointer data) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  priv->button.data = data;
  priv->button.flags = flags;

  /* add the three default buttons, but keep the disabled for now */
  if(cb_new) {
    priv->button.widget[0] = 
      gtk_button_new_with_label(_((flags&LIST_BTN_NEW)?"New":"Add"));
#ifdef FREMANTLE_PANNABLE_AREA
    if(flags & LIST_BTN_BIG)
      hildon_gtk_widget_set_theme_size(priv->button.widget[0], 
               (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH));
#endif
    gtk_table_attach_defaults(GTK_TABLE(priv->table), 
                              priv->button.widget[0], 0, 1, 0, 1);
    gtk_signal_connect(GTK_OBJECT(priv->button.widget[0]), "clicked", 
                       GTK_SIGNAL_FUNC(cb_new), data);
    gtk_widget_set_sensitive(priv->button.widget[0], TRUE);
  }

  if(cb_edit) {
#ifdef FREMANTLE_USE_POPUP
    priv->button.widget[1] = cmenu_append(list, _("Edit"), 
                          GTK_SIGNAL_FUNC(cb_edit), data);
#else
    priv->button.widget[1] = gtk_button_new_with_label(_("Edit"));
#ifdef FREMANTLE_PANNABLE_AREA
    if(flags & LIST_BTN_BIG)
      hildon_gtk_widget_set_theme_size(priv->button.widget[1], 
               (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH));
#endif
    gtk_table_attach_defaults(GTK_TABLE(priv->table), 
                              priv->button.widget[1], 1, 2, 0, 1);
    gtk_signal_connect(GTK_OBJECT(priv->button.widget[1]), "clicked", 
                       GTK_SIGNAL_FUNC(cb_edit), data);
#endif
    gtk_widget_set_sensitive(priv->button.widget[1], FALSE);
  }

  if(cb_remove) {
#ifdef FREMANTLE_USE_POPUP
    priv->button.widget[2] = cmenu_append(list, _("Remove"), 
                          GTK_SIGNAL_FUNC(cb_remove), data);
#else
    priv->button.widget[2] = gtk_button_new_with_label(_("Remove"));
#ifdef FREMANTLE_PANNABLE_AREA
    if(flags & LIST_BTN_BIG)
      hildon_gtk_widget_set_theme_size(priv->button.widget[2], 
               (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH));
#endif
    gtk_table_attach_defaults(GTK_TABLE(priv->table), 
                              priv->button.widget[2], 2, 3, 0, 1);
    gtk_signal_connect(GTK_OBJECT(priv->button.widget[2]), "clicked", 
                       GTK_SIGNAL_FUNC(cb_remove), data);
#endif
    gtk_widget_set_sensitive(priv->button.widget[2], FALSE);
  }
}

GtkTreeModel *list_get_model(GtkWidget *list) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  return gtk_tree_view_get_model(GTK_TREE_VIEW(priv->view));
}

void list_pre_inplace_edit_tweak (GtkTreeModel *model) {
  // Remove any current sort ordering, leaving items where they are.
  gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(model),
                                 GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID,
                                 GTK_SORT_ASCENDING);
}


/* Refocus a GtkTreeView an item specified by iter, unselecting the current
   selection and optionally highlighting the new one. Typically called after
   making an edit to an item with a covering sub-dialog. */

void list_focus_on(GtkWidget *list, GtkTreeIter *iter, gboolean highlight) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);
  GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(priv->view));

  // Handle de/reselection
  GtkTreeSelection *sel = 
    gtk_tree_view_get_selection(GTK_TREE_VIEW(priv->view));
  gtk_tree_selection_unselect_all(sel);

  // Scroll to it, since it might now be out of view.
  GtkTreePath *path = gtk_tree_model_get_path(model, iter);
  gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(priv->view), path, 
                               NULL, FALSE, 0, 0);
  gtk_tree_path_free(path);
  
  // reselect
  if (highlight)
    gtk_tree_selection_select_iter(sel, iter);
}

static gint on_list_destroy(GtkWidget *list, gpointer data) {
  list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
  g_assert(priv);

  g_free(priv);
  
  return FALSE;
}

static void changed(GtkTreeSelection *treeselection, gpointer user_data) {
  GtkWidget *list = (GtkWidget*)user_data;

  GtkTreeModel *model;
  GtkTreeIter iter;
  gboolean selected = list_get_selected(list, &model, &iter);

  list_button_enable(GTK_WIDGET(list), LIST_BUTTON_REMOVE, selected);
  list_button_enable(GTK_WIDGET(list), LIST_BUTTON_EDIT, selected);
}

/* a generic list widget with "add", "edit" and "remove" buttons as used */
/* for all kinds of lists in osm2go */
#ifdef USE_HILDON
GtkWidget *list_new(gboolean show_headers)
#else
GtkWidget *list_new(void)
#endif
{           
  list_priv_t *priv = g_new0(list_priv_t, 1);

  GtkWidget *vbox = gtk_vbox_new(FALSE,3);
  g_object_set_data(G_OBJECT(vbox), "priv", priv);
  g_signal_connect(G_OBJECT(vbox), "destroy",
                   G_CALLBACK(on_list_destroy), priv);

#ifndef FREMANTLE_PANNABLE_AREA
  priv->view = gtk_tree_view_new();
#else
  priv->view = hildon_gtk_tree_view_new(HILDON_UI_MODE_EDIT);
#endif

#ifdef USE_HILDON
  if(show_headers) {
    /* hildon hides these by default */
    gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(priv->view), TRUE); 
  }
#endif
 
  GtkTreeSelection *sel = 
    gtk_tree_view_get_selection(GTK_TREE_VIEW(priv->view));

  gtk_tree_selection_set_select_function(sel, 
         list_selection_function, vbox, NULL);

  g_signal_connect(G_OBJECT(sel), "changed", G_CALLBACK(changed), vbox);

#ifndef FREMANTLE_PANNABLE_AREA
  /* put view into a scrolled window */
  GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
  gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), 
                                 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
  gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), 
                                      GTK_SHADOW_ETCHED_IN);
  gtk_container_add(GTK_CONTAINER(scrolled_window), priv->view);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), scrolled_window);
#else
  /* put view into a pannable area */
  GtkWidget *pannable_area = hildon_pannable_area_new();
  gtk_container_add(GTK_CONTAINER(pannable_area), priv->view);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), pannable_area);

#ifdef FREMANTLE_USE_POPUP
  cmenu_init(vbox);
#endif
#endif

  /* make list react on clicks (double clicks on pre-fremantle) */
  g_signal_connect_after(GTK_OBJECT(priv->view), "row-activated", 
                         (GCallback)on_row_activated, vbox);

  /* add button box */
  priv->table = gtk_table_new(1, 3, TRUE);

  gtk_box_pack_start(GTK_BOX(vbox), priv->table, FALSE, FALSE, 0);

  return vbox;
}

1	/*
2	* Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>.
3	*
4	* This file is part of OSM2Go.
5	*
6	* OSM2Go 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 3 of the License, or
9	* (at your option) any later version.
10	*
11	* OSM2Go 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 OSM2Go. If not, see <http://www.gnu.org/licenses/>.
18	*/
19
20	/*
21	* list.c - generic implementation of a list style widget:
22	*
23	* +---------+-----------+
24	* \| Key \| Key \|
25	* +---------+-----------+
26	* \| Test1 Test2 ^\|
27	* \| Test3 Test4 #\|
28	* \| \|\|
29	* \| v\|
30	* +---------------------+
31	* ( Add )( Edit )(Remove)
32	*/
33
34	#include "appdata.h"
35
36	#include <stdarg.h>
37
38	typedef struct {
39	GtkWidget *view;
40	GtkMenu *menu;
41
42	struct {
43	gboolean(func)(GtkTreeSelection , GtkTreeModel *,
44	GtkTreePath *, gboolean,
45	gpointer);
46	gpointer data;
47	} sel;
48
49	GtkWidget *table;
50
51	struct {
52	gpointer data;
53	GtkWidget *widget[6];
54	int flags;
55	} button;
56
57	} list_priv_t;
58
59	#ifdef FREMANTLE_USE_POPUP
60
61	static void cmenu_init(GtkWidget *list) {
62	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
63	g_assert(priv);
64
65	/* Create needed handles. */
66	priv->menu = GTK_MENU(gtk_menu_new());
67
68	gtk_widget_tap_and_hold_setup(priv->view, GTK_WIDGET(priv->menu), NULL, 0);
69	}
70
71	static GtkWidget cmenu_append(GtkWidget list, char *label,
72	GCallback cb, gpointer data) {
73	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
74	g_assert(priv);
75
76	GtkWidget *menu_item;
77
78	/* Setup the map context menu. */
79	gtk_menu_append(priv->menu, menu_item
80	= gtk_menu_item_new_with_label(label));
81
82	hildon_gtk_widget_set_theme_size(menu_item,
83	(HILDON_SIZE_FINGER_HEIGHT \| HILDON_SIZE_AUTO_WIDTH));
84
85	gtk_signal_connect(GTK_OBJECT(menu_item), "activate",
86	GTK_SIGNAL_FUNC(cb), data);
87
88	gtk_widget_show_all(GTK_WIDGET(priv->menu));
89
90	return menu_item;
91	}
92
93	#endif
94
95	GtkWidget list_get_view(GtkWidget list) {
96	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
97	g_assert(priv);
98	return priv->view;
99	}
100
101	/* a list supports up to three user defined buttons besides */
102	/* add, edit and remove */
103	void list_set_user_buttons(GtkWidget *list, ...) {
104	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
105	g_assert(priv);
106
107	va_list ap;
108
109	/* make space for user buttons */
110	gtk_table_resize(GTK_TABLE(priv->table), 2, 3);
111
112	va_start(ap, list);
113	list_button_t id = va_arg(ap, list_button_t);
114	while(id) {
115	char label = va_arg(ap, char);
116	GCallback cb = va_arg(ap, GCallback);
117
118	priv->button.widget[id] = gtk_button_new_with_label(label);
119	#ifdef FREMANTLE_PANNABLE_AREA
120	if(priv->button.flags & LIST_BTN_BIG)
121	hildon_gtk_widget_set_theme_size(priv->button.widget[id],
122	(HILDON_SIZE_FINGER_HEIGHT \| HILDON_SIZE_AUTO_WIDTH));
123	#endif
124	gtk_table_attach_defaults(GTK_TABLE(priv->table), priv->button.widget[id],
125	id-LIST_BUTTON_USER0, id-LIST_BUTTON_USER0+1, 1, 2);
126	gtk_signal_connect(GTK_OBJECT(priv->button.widget[id]), "clicked",
127	GTK_SIGNAL_FUNC(cb), priv->button.data);
128
129	id = va_arg(ap, list_button_t);
130	}
131
132	va_end(ap);
133	}
134
135	void list_set_columns(GtkWidget *list, ...) {
136	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
137	g_assert(priv);
138	va_list ap;
139
140	va_start(ap, list);
141	char name = va_arg(ap, char);
142	while(name) {
143	int hlkey = -1, key = va_arg(ap, int);
144	int flags = va_arg(ap, int);
145
146	if(flags & LIST_FLAG_CAN_HIGHLIGHT)
147	hlkey = va_arg(ap, int);
148
149	GtkTreeViewColumn *column = NULL;
150
151	if(flags & LIST_FLAG_TOGGLE) {
152	GCallback cb = va_arg(ap, GCallback);
153	gpointer data = va_arg(ap, gpointer);
154
155	GtkCellRenderer *renderer = gtk_cell_renderer_toggle_new();
156	column = gtk_tree_view_column_new_with_attributes(
157	name, renderer, "active", key, NULL);
158	g_signal_connect(renderer, "toggled", cb, data);
159
160	} else if(flags & LIST_FLAG_STOCK_ICON) {
161	GtkCellRenderer *pixbuf_renderer = gtk_cell_renderer_pixbuf_new();
162	column = gtk_tree_view_column_new_with_attributes(name,
163	pixbuf_renderer, "stock_id", key, NULL);
164	} else {
165	GtkCellRenderer *renderer = gtk_cell_renderer_text_new();
166
167	if(flags & LIST_FLAG_CAN_HIGHLIGHT)
168	g_object_set(renderer, "background", "red", NULL );
169
170	if(flags & LIST_FLAG_ELLIPSIZE)
171	g_object_set(renderer, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
172
173	column = gtk_tree_view_column_new_with_attributes(name, renderer,
174	"text", key,
175	(flags & LIST_FLAG_CAN_HIGHLIGHT)?"background-set":NULL, hlkey,
176	NULL);
177
178	gtk_tree_view_column_set_expand(column,
179	flags & (LIST_FLAG_EXPAND \| LIST_FLAG_ELLIPSIZE));
180	}
181
182	gtk_tree_view_column_set_sort_column_id(column, key);
183	gtk_tree_view_insert_column(GTK_TREE_VIEW(priv->view), column, -1);
184
185	name = va_arg(ap, char*);
186	}
187
188	va_end(ap);
189	}
190
191	static GtkWidget list_button_get(GtkWidget list, list_button_t id) {
192	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
193	g_assert(priv);
194
195	return priv->button.widget[id];
196	}
197
198	void list_button_connect(GtkWidget *list, list_button_t id,
199	GCallback cb, gpointer data) {
200	GtkWidget *but = list_button_get(list, id);
201	gtk_signal_connect(GTK_OBJECT(but), "clicked", GTK_SIGNAL_FUNC(cb), data);
202	}
203
204	/* put a custom widget into one of the button slots */
205	void list_set_custom_user_button(GtkWidget *list, list_button_t id,
206	GtkWidget *widget) {
207	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
208	g_assert(priv);
209	g_assert((id >= 3) && (id < 6));
210
211	/* make space for user buttons */
212	gtk_table_resize(GTK_TABLE(priv->table), 2, 3);
213
214	gtk_table_attach_defaults(GTK_TABLE(priv->table), widget,
215	id-LIST_BUTTON_USER0, id-LIST_BUTTON_USER0+1, 1, 2);
216	priv->button.widget[id] = widget;
217	}
218
219	GtkTreeSelection list_get_selection(GtkWidget list) {
220	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
221	g_assert(priv);
222
223	GtkTreeSelection *sel =
224	gtk_tree_view_get_selection(GTK_TREE_VIEW(priv->view));
225
226	return sel;
227	}
228
229	gboolean list_get_selected(GtkWidget list, GtkTreeModel *model,
230	GtkTreeIter *iter) {
231	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
232	g_assert(priv);
233
234	GtkTreeSelection *sel =
235	gtk_tree_view_get_selection(GTK_TREE_VIEW(priv->view));
236
237	return gtk_tree_selection_get_selected(sel, model, iter);
238	}
239
240	void list_button_enable(GtkWidget *list, list_button_t id, gboolean enable) {
241	GtkWidget *but = list_button_get(list, id);
242	if(but) gtk_widget_set_sensitive(but, enable);
243	}
244
245	void list_set_store(GtkWidget list, GtkListStore store) {
246	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
247	g_assert(priv);
248
249	gtk_tree_view_set_model(GTK_TREE_VIEW(priv->view), GTK_TREE_MODEL(store));
250	}
251
252	void list_set_selection_function(GtkWidget *list, GtkTreeSelectionFunc func,
253	gpointer data) {
254	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
255	g_assert(priv);
256
257	priv->sel.func = func;
258	priv->sel.data = data;
259	}
260
261	/* default selection function enables edit and remove if a row is being */
262	/* selected */
263	static gboolean
264	list_selection_function(GtkTreeSelection selection, GtkTreeModel model,
265	GtkTreePath *path, gboolean path_currently_selected,
266	gpointer list) {
267	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
268	g_assert(priv);
269
270	GtkTreeIter iter;
271
272	if(gtk_tree_model_get_iter(model, &iter, path)) {
273	g_assert(gtk_tree_path_get_depth(path) == 1);
274
275	/* this is now handled by the "changed" event handler */
276	// list_button_enable(GTK_WIDGET(list), LIST_BUTTON_REMOVE, TRUE);
277	// list_button_enable(GTK_WIDGET(list), LIST_BUTTON_EDIT, TRUE);
278	}
279
280	if(priv->sel.func)
281	return priv->sel.func(selection, model, path, path_currently_selected,
282	priv->sel.data);
283
284	return TRUE; /* allow selection state to change */
285	}
286
287	static void on_row_activated(GtkTreeView *treeview,
288	GtkTreePath *path,
289	GtkTreeViewColumn *col,
290	gpointer userdata) {
291	GtkTreeIter iter;
292	GtkTreeModel *model = gtk_tree_view_get_model(treeview);
293
294	printf("row activated\n");
295
296	if(gtk_tree_model_get_iter(model, &iter, path)) {
297	list_priv_t *priv = g_object_get_data(G_OBJECT(userdata), "priv");
298	g_assert(priv);
299
300	GtkWidget *toplevel = gtk_widget_get_toplevel(GTK_WIDGET(treeview));
301	g_assert(GTK_IS_DIALOG(toplevel));
302
303	/* emit a "response accept" signal so we might close the */
304	/* dialog */
305	gtk_dialog_response(GTK_DIALOG(toplevel), GTK_RESPONSE_ACCEPT);
306	}
307	}
308
309	void list_set_static_buttons(GtkWidget *list, int flags,
310	GCallback cb_new, GCallback cb_edit,
311	GCallback cb_remove, gpointer data) {
312	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
313	g_assert(priv);
314
315	priv->button.data = data;
316	priv->button.flags = flags;
317
318	/* add the three default buttons, but keep the disabled for now */
319	if(cb_new) {
320	priv->button.widget[0] =
321	gtk_button_new_with_label(_((flags&LIST_BTN_NEW)?"New":"Add"));
322	#ifdef FREMANTLE_PANNABLE_AREA
323	if(flags & LIST_BTN_BIG)
324	hildon_gtk_widget_set_theme_size(priv->button.widget[0],
325	(HILDON_SIZE_FINGER_HEIGHT \| HILDON_SIZE_AUTO_WIDTH));
326	#endif
327	gtk_table_attach_defaults(GTK_TABLE(priv->table),
328	priv->button.widget[0], 0, 1, 0, 1);
329	gtk_signal_connect(GTK_OBJECT(priv->button.widget[0]), "clicked",
330	GTK_SIGNAL_FUNC(cb_new), data);
331	gtk_widget_set_sensitive(priv->button.widget[0], TRUE);
332	}
333
334	if(cb_edit) {
335	#ifdef FREMANTLE_USE_POPUP
336	priv->button.widget[1] = cmenu_append(list, _("Edit"),
337	GTK_SIGNAL_FUNC(cb_edit), data);
338	#else
339	priv->button.widget[1] = gtk_button_new_with_label(_("Edit"));
340	#ifdef FREMANTLE_PANNABLE_AREA
341	if(flags & LIST_BTN_BIG)
342	hildon_gtk_widget_set_theme_size(priv->button.widget[1],
343	(HILDON_SIZE_FINGER_HEIGHT \| HILDON_SIZE_AUTO_WIDTH));
344	#endif
345	gtk_table_attach_defaults(GTK_TABLE(priv->table),
346	priv->button.widget[1], 1, 2, 0, 1);
347	gtk_signal_connect(GTK_OBJECT(priv->button.widget[1]), "clicked",
348	GTK_SIGNAL_FUNC(cb_edit), data);
349	#endif
350	gtk_widget_set_sensitive(priv->button.widget[1], FALSE);
351	}
352
353	if(cb_remove) {
354	#ifdef FREMANTLE_USE_POPUP
355	priv->button.widget[2] = cmenu_append(list, _("Remove"),
356	GTK_SIGNAL_FUNC(cb_remove), data);
357	#else
358	priv->button.widget[2] = gtk_button_new_with_label(_("Remove"));
359	#ifdef FREMANTLE_PANNABLE_AREA
360	if(flags & LIST_BTN_BIG)
361	hildon_gtk_widget_set_theme_size(priv->button.widget[2],
362	(HILDON_SIZE_FINGER_HEIGHT \| HILDON_SIZE_AUTO_WIDTH));
363	#endif
364	gtk_table_attach_defaults(GTK_TABLE(priv->table),
365	priv->button.widget[2], 2, 3, 0, 1);
366	gtk_signal_connect(GTK_OBJECT(priv->button.widget[2]), "clicked",
367	GTK_SIGNAL_FUNC(cb_remove), data);
368	#endif
369	gtk_widget_set_sensitive(priv->button.widget[2], FALSE);
370	}
371	}
372
373	GtkTreeModel list_get_model(GtkWidget list) {
374	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
375	g_assert(priv);
376
377	return gtk_tree_view_get_model(GTK_TREE_VIEW(priv->view));
378	}
379
380	void list_pre_inplace_edit_tweak (GtkTreeModel *model) {
381	// Remove any current sort ordering, leaving items where they are.
382	gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(model),
383	GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID,
384	GTK_SORT_ASCENDING);
385	}
386
387
388	/* Refocus a GtkTreeView an item specified by iter, unselecting the current
389	selection and optionally highlighting the new one. Typically called after
390	making an edit to an item with a covering sub-dialog. */
391
392	void list_focus_on(GtkWidget list, GtkTreeIter iter, gboolean highlight) {
393	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
394	g_assert(priv);
395	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(priv->view));
396
397	// Handle de/reselection
398	GtkTreeSelection *sel =
399	gtk_tree_view_get_selection(GTK_TREE_VIEW(priv->view));
400	gtk_tree_selection_unselect_all(sel);
401
402	// Scroll to it, since it might now be out of view.
403	GtkTreePath *path = gtk_tree_model_get_path(model, iter);
404	gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(priv->view), path,
405	NULL, FALSE, 0, 0);
406	gtk_tree_path_free(path);
407
408	// reselect
409	if (highlight)
410	gtk_tree_selection_select_iter(sel, iter);
411	}
412
413	static gint on_list_destroy(GtkWidget *list, gpointer data) {
414	list_priv_t *priv = g_object_get_data(G_OBJECT(list), "priv");
415	g_assert(priv);
416
417	g_free(priv);
418
419	return FALSE;
420	}
421
422	static void changed(GtkTreeSelection *treeselection, gpointer user_data) {
423	GtkWidget list = (GtkWidget)user_data;
424
425	GtkTreeModel *model;
426	GtkTreeIter iter;
427	gboolean selected = list_get_selected(list, &model, &iter);
428
429	list_button_enable(GTK_WIDGET(list), LIST_BUTTON_REMOVE, selected);
430	list_button_enable(GTK_WIDGET(list), LIST_BUTTON_EDIT, selected);
431	}
432
433	/* a generic list widget with "add", "edit" and "remove" buttons as used */
434	/* for all kinds of lists in osm2go */
435	#ifdef USE_HILDON
436	GtkWidget *list_new(gboolean show_headers)
437	#else
438	GtkWidget *list_new(void)
439	#endif
440	{
441	list_priv_t *priv = g_new0(list_priv_t, 1);
442
443	GtkWidget *vbox = gtk_vbox_new(FALSE,3);
444	g_object_set_data(G_OBJECT(vbox), "priv", priv);
445	g_signal_connect(G_OBJECT(vbox), "destroy",
446	G_CALLBACK(on_list_destroy), priv);
447
448	#ifndef FREMANTLE_PANNABLE_AREA
449	priv->view = gtk_tree_view_new();
450	#else
451	priv->view = hildon_gtk_tree_view_new(HILDON_UI_MODE_EDIT);
452	#endif
453
454	#ifdef USE_HILDON
455	if(show_headers) {
456	/* hildon hides these by default */
457	gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(priv->view), TRUE);
458	}
459	#endif
460
461	GtkTreeSelection *sel =
462	gtk_tree_view_get_selection(GTK_TREE_VIEW(priv->view));
463
464	gtk_tree_selection_set_select_function(sel,
465	list_selection_function, vbox, NULL);
466
467	g_signal_connect(G_OBJECT(sel), "changed", G_CALLBACK(changed), vbox);
468
469	#ifndef FREMANTLE_PANNABLE_AREA
470	/* put view into a scrolled window */
471	GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
472	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
473	GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
474	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window),
475	GTK_SHADOW_ETCHED_IN);
476	gtk_container_add(GTK_CONTAINER(scrolled_window), priv->view);
477	gtk_box_pack_start_defaults(GTK_BOX(vbox), scrolled_window);
478	#else
479	/* put view into a pannable area */
480	GtkWidget *pannable_area = hildon_pannable_area_new();
481	gtk_container_add(GTK_CONTAINER(pannable_area), priv->view);
482	gtk_box_pack_start_defaults(GTK_BOX(vbox), pannable_area);
483
484	#ifdef FREMANTLE_USE_POPUP
485	cmenu_init(vbox);
486	#endif
487	#endif
488
489	/* make list react on clicks (double clicks on pre-fremantle) */
490	g_signal_connect_after(GTK_OBJECT(priv->view), "row-activated",
491	(GCallback)on_row_activated, vbox);
492
493	/* add button box */
494	priv->table = gtk_table_new(1, 3, TRUE);
495
496	gtk_box_pack_start(GTK_BOX(vbox), priv->table, FALSE, FALSE, 0);
497
498	return vbox;
499	}
500