/*
 *      treeviews.c
 *
 *      Copyright 2005 Enrico Troeger <enrico.troeger@uvena.de>
 *
 *      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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include "geany.h"
#include "support.h"
#include "callbacks.h"
#include "treeviews.h"


/* does some preparing things to the tag list widget */
void treeviews_prepare_taglist(void)
{
	GtkCellRenderer *renderer;
	GtkTreeViewColumn *column;
	GtkTreeSelection *select;
	tv.tree_taglist = lookup_widget(app->window, "treeview2");

	//tv.store_taglist = gtk_list_store_new(2, GDK_TYPE_PIXBUF, G_TYPE_STRING);
	tv.store_taglist = gtk_list_store_new(1, G_TYPE_STRING);
	gtk_tree_view_set_model(GTK_TREE_VIEW(tv.tree_taglist), GTK_TREE_MODEL(tv.store_taglist));

	renderer = gtk_cell_renderer_text_new();
	//renderer_img = gtk_cell_renderer_pixbuf_new();
	column = gtk_tree_view_column_new_with_attributes(_("Symbols"), renderer, "text", 0, NULL);
	gtk_tree_view_append_column(GTK_TREE_VIEW(tv.tree_taglist), column);
	gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(tv.tree_taglist), FALSE);

	gtk_widget_modify_font(tv.tree_taglist, pango_font_description_from_string(app->tagbar_font));
	g_signal_connect(G_OBJECT(tv.tree_taglist), "button-press-event",
						G_CALLBACK(on_tree_view_button_press_event), GINT_TO_POINTER(2));

	// selection handling
	select = gtk_tree_view_get_selection(GTK_TREE_VIEW(tv.tree_taglist));
	gtk_tree_selection_set_mode(select, GTK_SELECTION_SINGLE);
	g_signal_connect(G_OBJECT(select), "changed", G_CALLBACK(on_taglist_tree_selection_changed), NULL);
}


/* does some preparing things to the open files list widget */
void treeviews_prepare_openfiles(void)
{
	GtkCellRenderer *renderer;
	GtkTreeViewColumn *column;
	GtkTreeSelection *select;
	tv.tree_openfiles = lookup_widget(app->window, "treeview6");

	// store the short filename to show, and the index as reference
	tv.store_openfiles = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
	gtk_tree_view_set_model(GTK_TREE_VIEW(tv.tree_openfiles), GTK_TREE_MODEL(tv.store_openfiles));

	renderer = gtk_cell_renderer_text_new();
	column = gtk_tree_view_column_new_with_attributes(_("Symbols"), renderer, "text", 0, NULL);
	gtk_tree_view_append_column(GTK_TREE_VIEW(tv.tree_openfiles), column);
	gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(tv.tree_openfiles), FALSE);

	gtk_widget_modify_font(tv.tree_openfiles, pango_font_description_from_string(app->tagbar_font));
	g_signal_connect(G_OBJECT(tv.tree_openfiles), "button-press-event",
						G_CALLBACK(on_tree_view_button_press_event), GINT_TO_POINTER(6));

	// selection handling
	select = gtk_tree_view_get_selection(GTK_TREE_VIEW(tv.tree_openfiles));
	gtk_tree_selection_set_mode(select, GTK_SELECTION_SINGLE);
	g_signal_connect(G_OBJECT(select), "changed", G_CALLBACK(on_openfiles_tree_selection_changed), NULL);
}


GtkTreeIter treeviews_openfiles_add(gint idx, const gchar *string)
{
	GtkTreeIter iter;

	gtk_list_store_append(tv.store_openfiles, &iter);
	gtk_list_store_set(tv.store_openfiles, &iter, 0, string, 1, idx, -1);

	return iter;
}


// I think this wrapper function is useful
void treeviews_openfiles_remove(GtkTreeIter iter)
{
	gtk_list_store_remove(tv.store_openfiles, &iter);
}


void treeviews_create_openfiles_popup_menu(void)
{
	GtkWidget *item;

	tv.popup_openfiles = gtk_menu_new();

	item = gtk_image_menu_item_new_from_stock("gtk-close", NULL);
	gtk_widget_show(item);
	gtk_container_add(GTK_CONTAINER(tv.popup_openfiles), item);
	g_signal_connect((gpointer) item, "activate", G_CALLBACK(on_openfiles_tree_popup_clicked), GINT_TO_POINTER(0));

	item = gtk_separator_menu_item_new();
	gtk_widget_show(item);
	gtk_container_add(GTK_CONTAINER(tv.popup_openfiles), item);

	item = gtk_image_menu_item_new_from_stock("gtk-save", NULL);
	gtk_widget_show(item);
	gtk_container_add(GTK_CONTAINER(tv.popup_openfiles), item);
	g_signal_connect((gpointer) item, "activate", G_CALLBACK(on_openfiles_tree_popup_clicked), GINT_TO_POINTER(1));

	item = gtk_image_menu_item_new_with_label(_("Reload"));
	gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item),
		gtk_image_new_from_stock("gtk-revert-to-saved", GTK_ICON_SIZE_MENU));
	gtk_widget_show(item);
	gtk_container_add(GTK_CONTAINER(tv.popup_openfiles), item);
	g_signal_connect((gpointer) item, "activate", G_CALLBACK(on_openfiles_tree_popup_clicked), GINT_TO_POINTER(2));
}


/* compares the given data (GINT_TO_PONTER(idx)) with the idx from the selected row of openfiles
 * treeview, in case of a match the row is selected and TRUE is returned
 * (called indirectly from gtk_tree_model_foreach()) */
gboolean treeviews_find_node(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
	gint idx = -1;

	gtk_tree_model_get(GTK_TREE_MODEL(tv.store_openfiles), iter, 1, &idx, -1);

	if (idx == GPOINTER_TO_INT(data))
	{
		gtk_tree_view_set_cursor(GTK_TREE_VIEW(tv.tree_openfiles), path, NULL, FALSE);
		return TRUE;
	}
	else return FALSE;
}