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 */
  if(!(priv->button.flags & LIST_BTN_WIDE))
    gtk_table_resize(GTK_TABLE(priv->table), 2, 3);
  else
    gtk_table_resize(GTK_TABLE(priv->table), 1, 5);

  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] = button_new_with_label(label);
    if(!(priv->button.flags & LIST_BTN_WIDE))
      gtk_table_attach_defaults(GTK_TABLE(priv->table), priv->button.widget[id], 
                id-LIST_BUTTON_USER0, id-LIST_BUTTON_USER0+1, 1, 2);
    else
      gtk_table_attach_defaults(GTK_TABLE(priv->table), priv->button.widget[id], 
                3+id-LIST_BUTTON_USER0, 3+id-LIST_BUTTON_USER0+1, 0, 1);

    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);
  
  if(!(priv->button.flags & LIST_BTN_WIDE))
    gtk_table_attach_defaults(GTK_TABLE(priv->table), widget,
              id-LIST_BUTTON_USER0, id-LIST_BUTTON_USER0+1, 1, 2);
  else
    gtk_table_attach_defaults(GTK_TABLE(priv->table), widget,
              3+id-LIST_BUTTON_USER0, 3+id-LIST_BUTTON_USER0+1, 0, 1);

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