dialog-plugins.c

一个简单的文本编辑器

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * gedit
 *
 * Copyright (C) 2000 Jose M Celorio
 *
 * 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 <config.h>
#include <glib.h>
#include <string.h> /* For strlen and strcmp */
#include <gnome.h>
#include <glade/glade.h>

#include "file.h"
#include "plugin.h"
#include "document.h"
#include "utils.h"
#include "window.h"

#include "dialogs/dialogs.h"

#define GEDIT_PLUGIN_MANAGER_GLADE_FILE "plugin-manager.glade"

GtkWidget *installed_list;
GtkWidget *available_list;

gint text_length = 0;

/*
#define OLD_CLEAR
*/

/**
 * gedit_plugin_email_sendmail_location_dialog:
 * @void: 
 * 
 * it displays and pop-up a dialog so that the user can specify a
 * location for an auxiliary program for a plugin (sendmail,diff,lynx)
 * 
 * Return Value: a string with the path specified by the user
 **/
gchar *
gedit_plugin_program_location_dialog (gchar *program_name, gchar *plugin_name)
{
	GladeXML *gui;
	GtkWidget *program_location_dialog = NULL;
	GtkWidget *program_location_entry = NULL;
	GtkWidget *program_location_combo_entry = NULL;
	GtkWidget *label = NULL;
	gchar *str_label;
	
	gchar * location = NULL;

	gedit_debug (DEBUG_PLUGINS, "");

	gui = glade_xml_new (GEDIT_GLADEDIR "/program.glade", NULL);

	if (!gui)
	{
		g_warning ("Could not find program.glade");
		return NULL;
	}

	program_location_dialog = glade_xml_get_widget (gui, "program_location_dialog");
	program_location_entry  = glade_xml_get_widget (gui, "program_location_file_entry");
	program_location_combo_entry  = glade_xml_get_widget (gui, "combo-entry1");
	label = glade_xml_get_widget (gui, "label");

	if (!program_location_dialog || !program_location_entry || 
	    !label || !program_location_combo_entry)
	{
		g_warning ("Could not get the program location dialog from program.glade");
		return NULL;
	}

	str_label = g_strdup_printf(_("To use the %s plugin, you need to specify a location for \"%s\"."),
			plugin_name, program_name);

	gtk_label_set_text (GTK_LABEL (label), str_label);
	g_free(str_label);

	gnome_dialog_set_default     (GNOME_DIALOG (program_location_dialog), 0);
	gnome_dialog_editable_enters (GNOME_DIALOG (program_location_dialog), 
				      GTK_EDITABLE (program_location_combo_entry));
	
	/* If we do this the main plugin dialog goes below the program window. Chema.
	*/
	switch (gnome_dialog_run (GNOME_DIALOG (program_location_dialog)))
	{
	case 0:
		location = gnome_file_entry_get_full_path(GNOME_FILE_ENTRY(program_location_entry), FALSE);
		gnome_dialog_close (GNOME_DIALOG(program_location_dialog));
		break;
	case 1:
		gnome_dialog_close (GNOME_DIALOG(program_location_dialog));
		break;
	default:
		location = NULL;
		break;
	}

	gtk_object_unref (GTK_OBJECT (gui));

	return location;
}

static void
gedit_plugin_manager_info_clear (GtkWidget *widget)
{
	gedit_debug (DEBUG_PLUGINS, "");

	g_return_if_fail (widget != NULL);
	g_return_if_fail (GTK_IS_EDITABLE(widget));
	
	if (text_length > 0)
		gtk_editable_delete_text (GTK_EDITABLE(widget), 0, text_length);
	text_length = 0;
}

static void
gedit_plugin_manager_lists_thaw (GtkWidget *widget)
{
	gedit_debug (DEBUG_PLUGINS, "");

	gtk_clist_unselect_all (GTK_CLIST (installed_list));
	gtk_clist_unselect_all (GTK_CLIST (available_list));

#if 0
 	g_print ("A:%i I:%i\n",
		 GTK_CLIST (available_list)->rows,
		 GTK_CLIST (installed_list)->rows);
#endif
	gtk_clist_thaw (GTK_CLIST (available_list));
	gtk_clist_thaw (GTK_CLIST (installed_list));

	gedit_plugin_manager_info_clear (widget);
}

static void
gedit_plugin_manager_lists_freeze (void)
{
	gedit_debug (DEBUG_PLUGINS, "");

	gtk_clist_freeze (GTK_CLIST (installed_list));
	gtk_clist_freeze (GTK_CLIST (available_list));
}

static gint 
gedit_plugin_manager_clist_compare_function (GtkCList *clist, GtkCListRow *row_1, GtkCListRow *row_2)
{
	gchar *string_1 = ((GtkCellText*)&(row_1->cell[clist->sort_column]))->text;
	gchar *string_2 = ((GtkCellText*)&(row_2->cell[clist->sort_column]))->text;

	gedit_debug (DEBUG_PLUGINS, "");

	g_return_val_if_fail (string_1 != NULL, -1);
	g_return_val_if_fail (string_2 != NULL, -1);
	
	return strcmp (string_1, string_2);
}

static void
gedit_plugin_manager_item_load (GtkWidget *widget)
{
	gint n;
	gint row;
	PluginData *nth_plugin_data;
	gpointer row_data;
	gchar * name[2];

	gedit_debug (DEBUG_PLUGINS, "");

	gedit_plugin_manager_lists_freeze ();
	
	for (n=0; n < g_list_length (plugins_list); n++)
	{
		nth_plugin_data = g_list_nth_data (plugins_list, n);
		name[0] = g_strdup (nth_plugin_data->name);
		name[1] = NULL;
		
		row_data = (gpointer) nth_plugin_data;
		if (nth_plugin_data->installed)
		{
			row = gtk_clist_append (GTK_CLIST(installed_list),
						name);
			gtk_clist_set_row_data (GTK_CLIST(installed_list),
						row, row_data);
		}
		else
		{
			row = gtk_clist_append (GTK_CLIST(available_list),
						name);
			gtk_clist_set_row_data (GTK_CLIST(available_list),
						row, row_data);
		}
		if (name[0] != NULL)
			g_free (name[0]);
	}

	gtk_clist_set_compare_func (GTK_CLIST (installed_list),
				    (GtkCListCompareFunc) gedit_plugin_manager_clist_compare_function);
	gtk_clist_set_compare_func (GTK_CLIST (available_list),
				    (GtkCListCompareFunc) gedit_plugin_manager_clist_compare_function);
	
	gtk_clist_set_sort_column (GTK_CLIST (installed_list), 0);
	gtk_clist_set_sort_column (GTK_CLIST (available_list), 0);

	gtk_clist_set_auto_sort (GTK_CLIST (installed_list), TRUE);
	gtk_clist_set_auto_sort (GTK_CLIST (available_list), TRUE);

	gedit_plugin_manager_lists_thaw (widget);
}

static void
gedit_plugin_manager_item_add (GtkWidget *widget, gpointer data)
{
	gint n;
	gint row;
	gint selection_length;
	gchar *name;
	gchar *name_array[2];
	gpointer item_data;
	gint last_element_hack = FALSE;

	gedit_debug (DEBUG_PLUGINS, "");

	selection_length = g_list_length (GTK_CLIST (available_list)->selection);

	gedit_plugin_manager_lists_freeze();

	if (selection_length == 0 && GTK_CLIST (available_list)->rows == 0)
		last_element_hack = TRUE;

	for (n=0; n < selection_length; n++)
	{
		row = (gint) g_list_nth_data (GTK_CLIST (available_list)->selection, n);
		gtk_clist_get_text (GTK_CLIST (available_list), row, 0, &name);
		item_data = gtk_clist_get_row_data (GTK_CLIST(available_list), row);

		name_array[0] = g_strdup(name);
		name_array[1] = NULL;

		if (!last_element_hack)
			gtk_clist_remove (GTK_CLIST (available_list), row);
		row = gtk_clist_append (GTK_CLIST (installed_list), name_array);
		gtk_clist_set_row_data (GTK_CLIST (installed_list), row, item_data);

		if (name_array[0] != NULL)
			g_free (name_array[0]);
	}

	if (last_element_hack)
		gtk_clist_clear (GTK_CLIST(available_list));
			
	gedit_plugin_manager_lists_thaw (GTK_WIDGET(data));
}

static void
gedit_plugin_manager_item_remove (GtkWidget *widget, gpointer data)
{
	gint n;
	gint row;
	gint selection_length;
	gchar *name;
	gchar *name_array[2];
	gpointer item_data;
	gint last_element_hack = FALSE;

	gedit_debug (DEBUG_PLUGINS, "");

	selection_length = g_list_length (GTK_CLIST (installed_list)->selection);

	gedit_plugin_manager_lists_freeze();

	if (selection_length == 0 && GTK_CLIST (installed_list)->rows == 0)
		last_element_hack = TRUE;

	for (n=0; n < selection_length; n++)
	{
		row = (gint) g_list_nth_data (GTK_CLIST (installed_list)->selection, n);
		gtk_clist_get_text (GTK_CLIST (installed_list), row, 0, &name);
		item_data = gtk_clist_get_row_data (GTK_CLIST(installed_list), row);

		name_array[0] = g_strdup(name);
		name_array[1] = NULL;

		if (!last_element_hack)
			gtk_clist_remove (GTK_CLIST (installed_list), row);
		
		row = gtk_clist_append (GTK_CLIST (available_list), name_array);
		gtk_clist_set_row_data (GTK_CLIST (available_list), row, item_data);

		if (name_array[0] != NULL)
			g_free (name_array [0]);
	}

	if (last_element_hack)
		gtk_clist_clear (GTK_CLIST(installed_list));
	
	gedit_plugin_manager_lists_thaw (GTK_WIDGET(data));
}

static void
gedit_plugin_manager_item_add_all (GtkWidget *widget, gpointer data)