[funini.com] -> [kei@sodan] -> Kernel Reading

root/scripts/kconfig/gconf.c

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DEFINITIONS

This source file includes following definitions.
  1. dbg_print_stype
  2. dbg_print_flags
  3. dbg_print_ptype
  4. replace_button_icon
  5. init_main_window
  6. init_tree_model
  7. init_left_tree
  8. init_right_tree
  9. text_insert_help
  10. text_insert_msg
  11. on_window1_delete_event
  12. on_window1_destroy
  13. on_window1_size_request
  14. load_filename
  15. on_load1_activate
  16. on_save_activate
  17. store_filename
  18. on_save_as1_activate
  19. on_quit1_activate
  20. on_show_name1_activate
  21. on_show_range1_activate
  22. on_show_data1_activate
  23. on_show_all_options1_activate
  24. on_show_debug_info1_activate
  25. on_introduction1_activate
  26. on_about1_activate
  27. on_license1_activate
  28. on_back_clicked
  29. on_load_clicked
  30. on_single_clicked
  31. on_split_clicked
  32. on_full_clicked
  33. on_collapse_clicked
  34. on_expand_clicked
  35. renderer_edited
  36. change_sym_value
  37. toggle_sym_value
  38. renderer_toggled
  39. column2index
  40. on_treeview2_button_press_event
  41. on_treeview2_key_press_event
  42. on_treeview2_cursor_changed
  43. on_treeview1_button_press_event
  44. fill_row
  45. set_node
  46. place_node
  47. gtktree_iter_find_node
  48. update_tree
  49. display_tree
  50. display_tree_part
  51. display_list
  52. fixup_rootmenu
  53. main
  54. conf_changed

/* Hey EMACS -*- linux-c -*- */
/*
 *
 * Copyright (C) 2002-2003 Romain Lievin <roms@tilp.info>
 * Released under the terms of the GNU GPL v2.0.
 *
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "lkc.h"
#include "images.c"

#include <glade/glade.h>
#include <gtk/gtk.h>
#include <glib.h>
#include <gdk/gdkkeysyms.h>

#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <stdlib.h>

//#define DEBUG

enum {
        SINGLE_VIEW, SPLIT_VIEW, FULL_VIEW
};

static gint view_mode = FULL_VIEW;
static gboolean show_name = TRUE;
static gboolean show_range = TRUE;
static gboolean show_value = TRUE;
static gboolean show_all = FALSE;
static gboolean show_debug = FALSE;
static gboolean resizeable = FALSE;

GtkWidget *main_wnd = NULL;
GtkWidget *tree1_w = NULL;      // left  frame
GtkWidget *tree2_w = NULL;      // right frame
GtkWidget *text_w = NULL;
GtkWidget *hpaned = NULL;
GtkWidget *vpaned = NULL;
GtkWidget *back_btn = NULL;
GtkWidget *save_btn = NULL;
GtkWidget *save_menu_item = NULL;

GtkTextTag *tag1, *tag2;
GdkColor color;

GtkTreeStore *tree1, *tree2, *tree;
GtkTreeModel *model1, *model2;
static GtkTreeIter *parents[256];
static gint indent;

static struct menu *current; // current node for SINGLE view
static struct menu *browsed; // browsed node for SPLIT view

enum {
        COL_OPTION, COL_NAME, COL_NO, COL_MOD, COL_YES, COL_VALUE,
        COL_MENU, COL_COLOR, COL_EDIT, COL_PIXBUF,
        COL_PIXVIS, COL_BTNVIS, COL_BTNACT, COL_BTNINC, COL_BTNRAD,
        COL_NUMBER
};

static void display_list(void);
static void display_tree(struct menu *menu);
static void display_tree_part(void);
static void update_tree(struct menu *src, GtkTreeIter * dst);
static void set_node(GtkTreeIter * node, struct menu *menu, gchar ** row);
static gchar **fill_row(struct menu *menu);
static void conf_changed(void);

/* Helping/Debugging Functions */


const char *dbg_print_stype(int val)
{
        static char buf[256];

        bzero(buf, 256);

        if (val == S_UNKNOWN)
                strcpy(buf, "unknown");
        if (val == S_BOOLEAN)
                strcpy(buf, "boolean");
        if (val == S_TRISTATE)
                strcpy(buf, "tristate");
        if (val == S_INT)
                strcpy(buf, "int");
        if (val == S_HEX)
                strcpy(buf, "hex");
        if (val == S_STRING)
                strcpy(buf, "string");
        if (val == S_OTHER)
                strcpy(buf, "other");

#ifdef DEBUG
        printf("%s", buf);
#endif

        return buf;
}

const char *dbg_print_flags(int val)
{
        static char buf[256];

        bzero(buf, 256);

        if (val & SYMBOL_CONST)
                strcat(buf, "const/");
        if (val & SYMBOL_CHECK)
                strcat(buf, "check/");
        if (val & SYMBOL_CHOICE)
                strcat(buf, "choice/");
        if (val & SYMBOL_CHOICEVAL)
                strcat(buf, "choiceval/");
        if (val & SYMBOL_VALID)
                strcat(buf, "valid/");
        if (val & SYMBOL_OPTIONAL)
                strcat(buf, "optional/");
        if (val & SYMBOL_WRITE)
                strcat(buf, "write/");
        if (val & SYMBOL_CHANGED)
                strcat(buf, "changed/");
        if (val & SYMBOL_AUTO)
                strcat(buf, "auto/");

        buf[strlen(buf) - 1] = '\0';
#ifdef DEBUG
        printf("%s", buf);
#endif

        return buf;
}

const char *dbg_print_ptype(int val)
{
        static char buf[256];

        bzero(buf, 256);

        if (val == P_UNKNOWN)
                strcpy(buf, "unknown");
        if (val == P_PROMPT)
                strcpy(buf, "prompt");
        if (val == P_COMMENT)
                strcpy(buf, "comment");
        if (val == P_MENU)
                strcpy(buf, "menu");
        if (val == P_DEFAULT)
                strcpy(buf, "default");
        if (val == P_CHOICE)
                strcpy(buf, "choice");

#ifdef DEBUG
        printf("%s", buf);
#endif

        return buf;
}


void replace_button_icon(GladeXML * xml, GdkDrawable * window,
                         GtkStyle * style, gchar * btn_name, gchar ** xpm)
{
        GdkPixmap *pixmap;
        GdkBitmap *mask;
        GtkToolButton *button;
        GtkWidget *image;

        pixmap = gdk_pixmap_create_from_xpm_d(window, &mask,
                                              &style->bg[GTK_STATE_NORMAL],
                                              xpm);

        button = GTK_TOOL_BUTTON(glade_xml_get_widget(xml, btn_name));
        image = gtk_image_new_from_pixmap(pixmap, mask);
        gtk_widget_show(image);
        gtk_tool_button_set_icon_widget(button, image);
}

/* Main Window Initialization */
void init_main_window(const gchar * glade_file)
{
        GladeXML *xml;
        GtkWidget *widget;
        GtkTextBuffer *txtbuf;
        char title[256];
        GtkStyle *style;

        xml = glade_xml_new(glade_file, "window1", NULL);
        if (!xml)
                g_error(_("GUI loading failed !\n"));
        glade_xml_signal_autoconnect(xml);

        main_wnd = glade_xml_get_widget(xml, "window1");
        hpaned = glade_xml_get_widget(xml, "hpaned1");
        vpaned = glade_xml_get_widget(xml, "vpaned1");
        tree1_w = glade_xml_get_widget(xml, "treeview1");
        tree2_w = glade_xml_get_widget(xml, "treeview2");
        text_w = glade_xml_get_widget(xml, "textview3");

        back_btn = glade_xml_get_widget(xml, "button1");
        gtk_widget_set_sensitive(back_btn, FALSE);

        widget = glade_xml_get_widget(xml, "show_name1");
        gtk_check_menu_item_set_active((GtkCheckMenuItem *) widget,
                                       show_name);

        widget = glade_xml_get_widget(xml, "show_range1");
        gtk_check_menu_item_set_active((GtkCheckMenuItem *) widget,
                                       show_range);

        widget = glade_xml_get_widget(xml, "show_data1");
        gtk_check_menu_item_set_active((GtkCheckMenuItem *) widget,
                                       show_value);

        save_btn = glade_xml_get_widget(xml, "button3");
        save_menu_item = glade_xml_get_widget(xml, "save1");
        conf_set_changed_callback(conf_changed);

        style = gtk_widget_get_style(main_wnd);
        widget = glade_xml_get_widget(xml, "toolbar1");

#if 0   /* Use stock Gtk icons instead */
        replace_button_icon(xml, main_wnd->window, style,
                            "button1", (gchar **) xpm_back);
        replace_button_icon(xml, main_wnd->window, style,
                            "button2", (gchar **) xpm_load);
        replace_button_icon(xml, main_wnd->window, style,
                            "button3", (gchar **) xpm_save);
#endif
        replace_button_icon(xml, main_wnd->window, style,
                            "button4", (gchar **) xpm_single_view);
        replace_button_icon(xml, main_wnd->window, style,
                            "button5", (gchar **) xpm_split_view);
        replace_button_icon(xml, main_wnd->window, style,
                            "button6", (gchar **) xpm_tree_view);

#if 0
        switch (view_mode) {
        case SINGLE_VIEW:
                widget = glade_xml_get_widget(xml, "button4");
                g_signal_emit_by_name(widget, "clicked");
                break;
        case SPLIT_VIEW:
                widget = glade_xml_get_widget(xml, "button5");
                g_signal_emit_by_name(widget, "clicked");
                break;
        case FULL_VIEW:
                widget = glade_xml_get_widget(xml, "button6");
                g_signal_emit_by_name(widget, "clicked");
                break;
        }
#endif
        txtbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_w));
        tag1 = gtk_text_buffer_create_tag(txtbuf, "mytag1",
                                          "foreground", "red",
                                          "weight", PANGO_WEIGHT_BOLD,
                                          NULL);
        tag2 = gtk_text_buffer_create_tag(txtbuf, "mytag2",
                                          /*"style", PANGO_STYLE_OBLIQUE, */
                                          NULL);

        sprintf(title, _("Linux Kernel v%s Configuration"),
                getenv("KERNELVERSION"));
        gtk_window_set_title(GTK_WINDOW(main_wnd), title);

        gtk_widget_show(main_wnd);
}

void init_tree_model(void)
{
        gint i;

        tree = tree2 = gtk_tree_store_new(COL_NUMBER,
                                          G_TYPE_STRING, G_TYPE_STRING,
                                          G_TYPE_STRING, G_TYPE_STRING,
                                          G_TYPE_STRING, G_TYPE_STRING,
                                          G_TYPE_POINTER, GDK_TYPE_COLOR,
                                          G_TYPE_BOOLEAN, GDK_TYPE_PIXBUF,
                                          G_TYPE_BOOLEAN, G_TYPE_BOOLEAN,
                                          G_TYPE_BOOLEAN, G_TYPE_BOOLEAN,
                                          G_TYPE_BOOLEAN);
        model2 = GTK_TREE_MODEL(tree2);

        for (parents[0] = NULL, i = 1; i < 256; i++)
                parents[i] = (GtkTreeIter *) g_malloc(sizeof(GtkTreeIter));

        tree1 = gtk_tree_store_new(COL_NUMBER,
                                   G_TYPE_STRING, G_TYPE_STRING,
                                   G_TYPE_STRING, G_TYPE_STRING,
                                   G_TYPE_STRING, G_TYPE_STRING,
                                   G_TYPE_POINTER, GDK_TYPE_COLOR,
                                   G_TYPE_BOOLEAN, GDK_TYPE_PIXBUF,
                                   G_TYPE_BOOLEAN, G_TYPE_BOOLEAN,
                                   G_TYPE_BOOLEAN, G_TYPE_BOOLEAN,
                                   G_TYPE_BOOLEAN);
        model1 = GTK_TREE_MODEL(tree1);
}

void init_left_tree(void)
{
        GtkTreeView *view = GTK_TREE_VIEW(tree1_w);
        GtkCellRenderer *renderer;
        GtkTreeSelection *sel;
        GtkTreeViewColumn *column;

        gtk_tree_view_set_model(view, model1);
        gtk_tree_view_set_headers_visible(view, TRUE);
        gtk_tree_view_set_rules_hint(view, FALSE);

        column = gtk_tree_view_column_new();
        gtk_tree_view_append_column(view, column);
        gtk_tree_view_column_set_title(column, _("Options"));

        renderer = gtk_cell_renderer_toggle_new();
        gtk_tree_view_column_pack_start(GTK_TREE_VIEW_COLUMN(column),
                                        renderer, FALSE);
        gtk_tree_view_column_set_attributes(GTK_TREE_VIEW_COLUMN(column),
                                            renderer,
                                            "active", COL_BTNACT,
                                            "inconsistent", COL_BTNINC,
                                            "visible", COL_BTNVIS,
                                            "radio", COL_BTNRAD, NULL);
        renderer = gtk_cell_renderer_text_new();
        gtk_tree_view_column_pack_start(GTK_TREE_VIEW_COLUMN(column),
                                        renderer, FALSE);
        gtk_tree_view_column_set_attributes(GTK_TREE_VIEW_COLUMN(column),
                                            renderer,
                                            "text", COL_OPTION,
                                            "foreground-gdk",
                                            COL_COLOR, NULL);

        sel = gtk_tree_view_get_selection(view);
        gtk_tree_selection_set_mode(sel, GTK_SELECTION_SINGLE);
        gtk_widget_realize(tree1_w);
}

static void renderer_edited(GtkCellRendererText * cell,
                            const gchar * path_string,
                            const gchar * new_text, gpointer user_data);
static void renderer_toggled(GtkCellRendererToggle * cellrenderertoggle,
                             gchar * arg1, gpointer user_data);

void init_right_tree(void)
{
        GtkTreeView *view = GTK_TREE_VIEW(tree2_w);
        GtkCellRenderer *renderer;
        GtkTreeSelection *sel;
        GtkTreeViewColumn *column;
        gint i;

        gtk_tree_view_set_model(view, model2);
        gtk_tree_view_set_headers_visible(view, TRUE);
        gtk_tree_view_set_rules_hint(view, FALSE);

        column = gtk_tree_view_column_new();
        gtk_tree_view_append_column(view, column);
        gtk_tree_view_column_set_title(column, _("Options"));

        renderer = gtk_cell_renderer_pixbuf_new();
        gtk_tree_view_column_pack_start(GTK_TREE_VIEW_COLUMN(column),
                                        renderer, FALSE);
        gtk_tree_view_column_set_attributes(GTK_TREE_VIEW_COLUMN(column),
                                            renderer,
                                            "pixbuf", COL_PIXBUF,
                                            "visible", COL_PIXVIS, NULL);
        renderer = gtk_cell_renderer_toggle_new();
        gtk_tree_view_column_pack_start(GTK_TREE_VIEW_COLUMN(column),
                                        renderer, FALSE);
        gtk_tree_view_column_set_attributes(GTK_TREE_VIEW_COLUMN(column),
                                            renderer,
                                            "active", COL_BTNACT,
                                            "inconsistent", COL_BTNINC,
                                            "visible", COL_BTNVIS,
                                            "radio", COL_BTNRAD, NULL);
        /*g_signal_connect(G_OBJECT(renderer), "toggled",
           G_CALLBACK(renderer_toggled), NULL); */
        renderer = gtk_cell_renderer_text_new();
        gtk_tree_view_column_pack_start(GTK_TREE_VIEW_COLUMN(column),
                                        renderer, FALSE);
        gtk_tree_view_column_set_attributes(GTK_TREE_VIEW_COLUMN(column),
                                            renderer,
                                            "text", COL_OPTION,
                                            "foreground-gdk",
                                            COL_COLOR, NULL);

        renderer = gtk_cell_renderer_text_new();
        gtk_tree_view_insert_column_with_attributes(view, -1,
                                                    _("Name"), renderer,
                                                    "text", COL_NAME,
                                                    "foreground-gdk",
                                                    COL_COLOR, NULL);
        renderer = gtk_cell_renderer_text_new();
        gtk_tree_view_insert_column_with_attributes(view, -1,
                                                    "N", renderer,
                                                    "text", COL_NO,
                                                    "foreground-gdk",
                                                    COL_COLOR, NULL);
        renderer = gtk_cell_renderer_text_new();
        gtk_tree_view_insert_column_with_attributes(view, -1,
                                                    "M", renderer,
                                                    "text", COL_MOD,
                                                    "foreground-gdk",
                                                    COL_COLOR, NULL);
        renderer = gtk_cell_renderer_text_new();
        gtk_tree_view_insert_column_with_attributes(view, -1,
                                                    "Y", renderer,
                                                    "text", COL_YES,
                                                    "foreground-gdk",
                                                    COL_COLOR, NULL);
        renderer = gtk_cell_renderer_text_new();
        gtk_tree_view_insert_column_with_attributes(view, -1,
                                                    _("Value"), renderer,
                                                    "text", COL_VALUE,
                                                    "editable",
                                                    COL_EDIT,
                                                    "foreground-gdk",
                                                    COL_COLOR, NULL);
        g_signal_connect(G_OBJECT(renderer), "edited",
                         G_CALLBACK(renderer_edited), NULL);

        column = gtk_tree_view_get_column(view, COL_NAME);
        gtk_tree_view_column_set_visible(column, show_name);
        column = gtk_tree_view_get_column(view, COL_NO);
        gtk_tree_view_column_set_visible(column, show_range);
        column = gtk_tree_view_get_column(view, COL_MOD);
        gtk_tree_view_column_set_visible(column, show_range);
        column = gtk_tree_view_get_column(view, COL_YES);
        gtk_tree_view_column_set_visible(column, show_range);
        column = gtk_tree_view_get_column(view, COL_VALUE);
        gtk_tree_view_column_set_visible(column, show_value);

        if (resizeable) {
                for (i = 0; i < COL_VALUE; i++) {
                        column = gtk_tree_view_get_column(view, i);
                        gtk_tree_view_column_set_resizable(column, TRUE);
                }
        }

        sel = gtk_tree_view_get_selection(view);
        gtk_tree_selection_set_mode(sel, GTK_SELECTION_SINGLE);
}


/* Utility Functions */


static void text_insert_help(struct menu *menu)
{
        GtkTextBuffer *buffer;
        GtkTextIter start, end;
        const char *prompt = _(menu_get_prompt(menu));
        gchar *name;
        const char *help;

        help = menu_get_help(menu);

        /* Gettextize if the help text not empty */
        if ((help != 0) && (help[0] != 0))
                help = _(help);

        if (menu->sym && menu->sym->name)
                name = g_strdup_printf(menu->sym->name);
        else
                name = g_strdup("");

        buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_w));
        gtk_text_buffer_get_bounds(buffer, &start, &end);
        gtk_text_buffer_delete(buffer, &start, &end);
        gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text_w), 15);

        gtk_text_buffer_get_end_iter(buffer, &end);
        gtk_text_buffer_insert_with_tags(buffer, &end, prompt, -1, tag1,
                                         NULL);
        gtk_text_buffer_insert_at_cursor(buffer, " ", 1);
        gtk_text_buffer_get_end_iter(buffer, &end);
        gtk_text_buffer_insert_with_tags(buffer, &end, name, -1, tag1,
                                         NULL);
        gtk_text_buffer_insert_at_cursor(buffer, "\n\n", 2);
        gtk_text_buffer_get_end_iter(buffer, &end);
        gtk_text_buffer_insert_with_tags(buffer, &end, help, -1, tag2,
                                         NULL);
}


static void text_insert_msg(const char *title, const char *message)
{
        GtkTextBuffer *buffer;
        GtkTextIter start, end;
        const char *msg = message;

        buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_w));
        gtk_text_buffer_get_bounds(buffer, &start, &end);
        gtk_text_buffer_delete(buffer, &start, &end);
        gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text_w), 15);

        gtk_text_buffer_get_end_iter(buffer, &end);
        gtk_text_buffer_insert_with_tags(buffer, &end, title, -1, tag1,
                                         NULL);
        gtk_text_buffer_insert_at_cursor(buffer, "\n\n", 2);
        gtk_text_buffer_get_end_iter(buffer, &end);
        gtk_text_buffer_insert_with_tags(buffer, &end, msg, -1, tag2,
                                         NULL);
}


/* Main Windows Callbacks */

void on_save_activate(GtkMenuItem * menuitem, gpointer user_data);
gboolean on_window1_delete_event(GtkWidget * widget, GdkEvent * event,
                                 gpointer user_data)
{
        GtkWidget *dialog, *label;
        gint result;

        if (!conf_get_changed())
                return FALSE;

        dialog = gtk_dialog_new_with_buttons(_("Warning !"),
                                             GTK_WINDOW(main_wnd),
                                             (GtkDialogFlags)
                                             (GTK_DIALOG_MODAL |
                                              GTK_DIALOG_DESTROY_WITH_PARENT),
                                             GTK_STOCK_OK,
                                             GTK_RESPONSE_YES,
                                             GTK_STOCK_NO,
                                             GTK_RESPONSE_NO,
                                             GTK_STOCK_CANCEL,
                                             GTK_RESPONSE_CANCEL, NULL);
        gtk_dialog_set_default_response(GTK_DIALOG(dialog),
                                        GTK_RESPONSE_CANCEL);

        label = gtk_label_new(_("\nSave configuration ?\n"));
        gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), label);
        gtk_widget_show(label);

        result = gtk_dialog_run(GTK_DIALOG(dialog));
        switch (result) {
        case GTK_RESPONSE_YES:
                on_save_activate(NULL, NULL);
                return FALSE;
        case GTK_RESPONSE_NO:
                return FALSE;
        case GTK_RESPONSE_CANCEL:
        case GTK_RESPONSE_DELETE_EVENT:
        default:
                gtk_widget_destroy(dialog);
                return TRUE;
        }

        return FALSE;
}


void on_window1_destroy(GtkObject * object, gpointer user_data)
{
        gtk_main_quit();
}


void
on_window1_size_request(GtkWidget * widget,
                        GtkRequisition * requisition, gpointer user_data)
{
        static gint old_h;
        gint w, h;

        if (widget->window == NULL)
                gtk_window_get_default_size(GTK_WINDOW(main_wnd), &w, &h);
        else
                gdk_window_get_size(widget->window, &w, &h);

        if (h == old_h)
                return;
        old_h = h;

        gtk_paned_set_position(GTK_PANED(vpaned), 2 * h / 3);
}


/* Menu & Toolbar Callbacks */


static void
load_filename(GtkFileSelection * file_selector, gpointer user_data)
{
        const gchar *fn;

        fn = gtk_file_selection_get_filename(GTK_FILE_SELECTION
                                             (user_data));

        if (conf_read(fn))
                text_insert_msg(_("Error"), _("Unable to load configuration !"));
        else
                display_tree(&rootmenu);
}

void on_load1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        GtkWidget *fs;

        fs = gtk_file_selection_new(_("Load file..."));
        g_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(fs)->ok_button),
                         "clicked",
                         G_CALLBACK(load_filename), (gpointer) fs);
        g_signal_connect_swapped(GTK_OBJECT
                                 (GTK_FILE_SELECTION(fs)->ok_button),
                                 "clicked", G_CALLBACK(gtk_widget_destroy),
                                 (gpointer) fs);
        g_signal_connect_swapped(GTK_OBJECT
                                 (GTK_FILE_SELECTION(fs)->cancel_button),
                                 "clicked", G_CALLBACK(gtk_widget_destroy),
                                 (gpointer) fs);
        gtk_widget_show(fs);
}


void on_save_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        if (conf_write(NULL))
                text_insert_msg(_("Error"), _("Unable to save configuration !"));
}


static void
store_filename(GtkFileSelection * file_selector, gpointer user_data)
{
        const gchar *fn;

        fn = gtk_file_selection_get_filename(GTK_FILE_SELECTION
                                             (user_data));

        if (conf_write(fn))
                text_insert_msg(_("Error"), _("Unable to save configuration !"));

        gtk_widget_destroy(GTK_WIDGET(user_data));
}

void on_save_as1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        GtkWidget *fs;

        fs = gtk_file_selection_new(_("Save file as..."));
        g_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(fs)->ok_button),
                         "clicked",
                         G_CALLBACK(store_filename), (gpointer) fs);
        g_signal_connect_swapped(GTK_OBJECT
                                 (GTK_FILE_SELECTION(fs)->ok_button),
                                 "clicked", G_CALLBACK(gtk_widget_destroy),
                                 (gpointer) fs);
        g_signal_connect_swapped(GTK_OBJECT
                                 (GTK_FILE_SELECTION(fs)->cancel_button),
                                 "clicked", G_CALLBACK(gtk_widget_destroy),
                                 (gpointer) fs);
        gtk_widget_show(fs);
}


void on_quit1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        if (!on_window1_delete_event(NULL, NULL, NULL))
                gtk_widget_destroy(GTK_WIDGET(main_wnd));
}


void on_show_name1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        GtkTreeViewColumn *col;

        show_name = GTK_CHECK_MENU_ITEM(menuitem)->active;
        col = gtk_tree_view_get_column(GTK_TREE_VIEW(tree2_w), COL_NAME);
        if (col)
                gtk_tree_view_column_set_visible(col, show_name);
}


void on_show_range1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        GtkTreeViewColumn *col;

        show_range = GTK_CHECK_MENU_ITEM(menuitem)->active;
        col = gtk_tree_view_get_column(GTK_TREE_VIEW(tree2_w), COL_NO);
        if (col)
                gtk_tree_view_column_set_visible(col, show_range);
        col = gtk_tree_view_get_column(GTK_TREE_VIEW(tree2_w), COL_MOD);
        if (col)
                gtk_tree_view_column_set_visible(col, show_range);
        col = gtk_tree_view_get_column(GTK_TREE_VIEW(tree2_w), COL_YES);
        if (col)
                gtk_tree_view_column_set_visible(col, show_range);

}


void on_show_data1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        GtkTreeViewColumn *col;

        show_value = GTK_CHECK_MENU_ITEM(menuitem)->active;
        col = gtk_tree_view_get_column(GTK_TREE_VIEW(tree2_w), COL_VALUE);
        if (col)
                gtk_tree_view_column_set_visible(col, show_value);
}


void
on_show_all_options1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        show_all = GTK_CHECK_MENU_ITEM(menuitem)->active;

        gtk_tree_store_clear(tree2);
        display_tree(&rootmenu);        // instead of update_tree to speed-up
}


void
on_show_debug_info1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        show_debug = GTK_CHECK_MENU_ITEM(menuitem)->active;
        update_tree(&rootmenu, NULL);
}


void on_introduction1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        GtkWidget *dialog;
        const gchar *intro_text = _(
            "Welcome to gkc, the GTK+ graphical kernel configuration tool\n"
            "for Linux.\n"
            "For each option, a blank box indicates the feature is disabled, a\n"
            "check indicates it is enabled, and a dot indicates that it is to\n"
            "be compiled as a module.  Clicking on the box will cycle through the three states.\n"
            "\n"
            "If you do not see an option (e.g., a device driver) that you\n"
            "believe should be present, try turning on Show All Options\n"
            "under the Options menu.\n"
            "Although there is no cross reference yet to help you figure out\n"
            "what other options must be enabled to support the option you\n"
            "are interested in, you can still view the help of a grayed-out\n"
            "option.\n"
            "\n"
            "Toggling Show Debug Info under the Options menu will show \n"
            "the dependencies, which you can then match by examining other options.");

        dialog = gtk_message_dialog_new(GTK_WINDOW(main_wnd),
                                        GTK_DIALOG_DESTROY_WITH_PARENT,
                                        GTK_MESSAGE_INFO,
                                        GTK_BUTTONS_CLOSE, intro_text);
        g_signal_connect_swapped(GTK_OBJECT(dialog), "response",
                                 G_CALLBACK(gtk_widget_destroy),
                                 GTK_OBJECT(dialog));
        gtk_widget_show_all(dialog);
}


void on_about1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        GtkWidget *dialog;
        const gchar *about_text =
            _("gkc is copyright (c) 2002 Romain Lievin <roms@lpg.ticalc.org>.\n"
              "Based on the source code from Roman Zippel.\n");

        dialog = gtk_message_dialog_new(GTK_WINDOW(main_wnd),
                                        GTK_DIALOG_DESTROY_WITH_PARENT,
                                        GTK_MESSAGE_INFO,
                                        GTK_BUTTONS_CLOSE, about_text);
        g_signal_connect_swapped(GTK_OBJECT(dialog), "response",
                                 G_CALLBACK(gtk_widget_destroy),
                                 GTK_OBJECT(dialog));
        gtk_widget_show_all(dialog);
}


void on_license1_activate(GtkMenuItem * menuitem, gpointer user_data)
{
        GtkWidget *dialog;
        const gchar *license_text =
            _("gkc is released under the terms of the GNU GPL v2.\n"
              "For more information, please see the source code or\n"
              "visit http://www.fsf.org/licenses/licenses.html\n");

        dialog = gtk_message_dialog_new(GTK_WINDOW(main_wnd),
                                        GTK_DIALOG_DESTROY_WITH_PARENT,
                                        GTK_MESSAGE_INFO,
                                        GTK_BUTTONS_CLOSE, license_text);
        g_signal_connect_swapped(GTK_OBJECT(dialog), "response",
                                 G_CALLBACK(gtk_widget_destroy),
                                 GTK_OBJECT(dialog));
        gtk_widget_show_all(dialog);
}


void on_back_clicked(GtkButton * button, gpointer user_data)
{
        enum prop_type ptype;

        current = current->parent;
        ptype = current->prompt ? current->prompt->type : P_UNKNOWN;
        if (ptype != P_MENU)
                current = current->parent;
        display_tree_part();

        if (current == &rootmenu)
                gtk_widget_set_sensitive(back_btn, FALSE);
}


void on_load_clicked(GtkButton * button, gpointer user_data)
{
        on_load1_activate(NULL, user_data);
}


void on_single_clicked(GtkButton * button, gpointer user_data)
{
        view_mode = SINGLE_VIEW;
        gtk_paned_set_position(GTK_PANED(hpaned), 0);
        gtk_widget_hide(tree1_w);
        current = &rootmenu;
        display_tree_part();
}


void on_split_clicked(GtkButton * button, gpointer user_data)
{
        gint w, h;
        view_mode = SPLIT_VIEW;
        gtk_widget_show(tree1_w);
        gtk_window_get_default_size(GTK_WINDOW(main_wnd), &w, &h);
        gtk_paned_set_position(GTK_PANED(hpaned), w / 2);
        if (tree2)
                gtk_tree_store_clear(tree2);
        display_list();

        /* Disable back btn, like in full mode. */
        gtk_widget_set_sensitive(back_btn, FALSE);
}


void on_full_clicked(GtkButton * button, gpointer user_data)
{
        view_mode = FULL_VIEW;
        gtk_paned_set_position(GTK_PANED(hpaned), 0);
        gtk_widget_hide(tree1_w);
        if (tree2)
                gtk_tree_store_clear(tree2);
        display_tree(&rootmenu);
        gtk_widget_set_sensitive(back_btn, FALSE);
}


void on_collapse_clicked(GtkButton * button, gpointer user_data)
{
        gtk_tree_view_collapse_all(GTK_TREE_VIEW(tree2_w));
}


void on_expand_clicked(GtkButton * button, gpointer user_data)
{
        gtk_tree_view_expand_all(GTK_TREE_VIEW(tree2_w));
}


/* CTree Callbacks */

/* Change hex/int/string value in the cell */
static void renderer_edited(GtkCellRendererText * cell,
                            const gchar * path_string,
                            const gchar * new_text, gpointer user_data)
{
        GtkTreePath *path = gtk_tree_path_new_from_string(path_string);
        GtkTreeIter iter;
        const char *old_def, *new_def;
        struct menu *menu;
        struct symbol *sym;

        if (!gtk_tree_model_get_iter(model2, &iter, path))
                return;

        gtk_tree_model_get(model2, &iter, COL_MENU, &menu, -1);
        sym = menu->sym;

        gtk_tree_model_get(model2, &iter, COL_VALUE, &old_def, -1);
        new_def = new_text;

        sym_set_string_value(sym, new_def);

        update_tree(&rootmenu, NULL);

        gtk_tree_path_free(path);
}

/* Change the value of a symbol and update the tree */
static void change_sym_value(struct menu *menu, gint col)
{
        struct symbol *sym = menu->sym;
        tristate oldval, newval;

        if (!sym)
                return;

        if (col == COL_NO)
                newval = no;
        else if (col == COL_MOD)
                newval = mod;
        else if (col == COL_YES)
                newval = yes;
        else
                return;

        switch (sym_get_type(sym)) {
        case S_BOOLEAN:
        case S_TRISTATE:
                oldval = sym_get_tristate_value(sym);
                if (!sym_tristate_within_range(sym, newval))
                        newval = yes;
                sym_set_tristate_value(sym, newval);
                if (view_mode == FULL_VIEW)
                        update_tree(&rootmenu, NULL);
                else if (view_mode == SPLIT_VIEW) {
                        update_tree(browsed, NULL);
                        display_list();
                }
                else if (view_mode == SINGLE_VIEW)
                        display_tree_part();    //fixme: keep exp/coll
                break;
        case S_INT:
        case S_HEX:
        case S_STRING:
        default:
                break;
        }
}

static void toggle_sym_value(struct menu *menu)
{
        if (!menu->sym)
                return;

        sym_toggle_tristate_value(menu->sym);
        if (view_mode == FULL_VIEW)
                update_tree(&rootmenu, NULL);
        else if (view_mode == SPLIT_VIEW) {
                update_tree(browsed, NULL);
                display_list();
        }
        else if (view_mode == SINGLE_VIEW)
                display_tree_part();    //fixme: keep exp/coll
}

static void renderer_toggled(GtkCellRendererToggle * cell,
                             gchar * path_string, gpointer user_data)
{
        GtkTreePath *path, *sel_path = NULL;
        GtkTreeIter iter, sel_iter;
        GtkTreeSelection *sel;
        struct menu *menu;

        path = gtk_tree_path_new_from_string(path_string);
        if (!gtk_tree_model_get_iter(model2, &iter, path))
                return;

        sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree2_w));
        if (gtk_tree_selection_get_selected(sel, NULL, &sel_iter))
                sel_path = gtk_tree_model_get_path(model2, &sel_iter);
        if (!sel_path)
                goto out1;
        if (gtk_tree_path_compare(path, sel_path))
                goto out2;

        gtk_tree_model_get(model2, &iter, COL_MENU, &menu, -1);
        toggle_sym_value(menu);

      out2:
        gtk_tree_path_free(sel_path);
      out1:
        gtk_tree_path_free(path);
}

static gint column2index(GtkTreeViewColumn * column)
{
        gint i;

        for (i = 0; i < COL_NUMBER; i++) {
                GtkTreeViewColumn *col;

                col = gtk_tree_view_get_column(GTK_TREE_VIEW(tree2_w), i);
                if (col == column)
                        return i;
        }

        return -1;
}


/* User click: update choice (full) or goes down (single) */
gboolean
on_treeview2_button_press_event(GtkWidget * widget,
                                GdkEventButton * event, gpointer user_data)
{
        GtkTreeView *view = GTK_TREE_VIEW(widget);
        GtkTreePath *path;
        GtkTreeViewColumn *column;
        GtkTreeIter iter;
        struct menu *menu;
        gint col;

#if GTK_CHECK_VERSION(2,1,4) // bug in ctree with earlier version of GTK
        gint tx = (gint) event->x;
        gint ty = (gint) event->y;
        gint cx, cy;

        gtk_tree_view_get_path_at_pos(view, tx, ty, &path, &column, &cx,
                                      &cy);
#else
        gtk_tree_view_get_cursor(view, &path, &column);
#endif
        if (path == NULL)
                return FALSE;

        if (!gtk_tree_model_get_iter(model2, &iter, path))
                return FALSE;
        gtk_tree_model_get(model2, &iter, COL_MENU, &menu, -1);

        col = column2index(column);
        if (event->type == GDK_2BUTTON_PRESS) {
                enum prop_type ptype;
                ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;

                if (ptype == P_MENU && view_mode != FULL_VIEW && col == COL_OPTION) {
                        // goes down into menu
                        current = menu;
                        display_tree_part();
                        gtk_widget_set_sensitive(back_btn, TRUE);
                } else if ((col == COL_OPTION)) {
                        toggle_sym_value(menu);
                        gtk_tree_view_expand_row(view, path, TRUE);
                }
        } else {
                if (col == COL_VALUE) {
                        toggle_sym_value(menu);
                        gtk_tree_view_expand_row(view, path, TRUE);
                } else if (col == COL_NO || col == COL_MOD
                           || col == COL_YES) {
                        change_sym_value(menu, col);
                        gtk_tree_view_expand_row(view, path, TRUE);
                }
        }

        return FALSE;
}

/* Key pressed: update choice */
gboolean
on_treeview2_key_press_event(GtkWidget * widget,
                             GdkEventKey * event, gpointer user_data)
{
        GtkTreeView *view = GTK_TREE_VIEW(widget);
        GtkTreePath *path;
        GtkTreeViewColumn *column;
        GtkTreeIter iter;
        struct menu *menu;
        gint col;

        gtk_tree_view_get_cursor(view, &path, &column);
        if (path == NULL)
                return FALSE;

        if (event->keyval == GDK_space) {
                if (gtk_tree_view_row_expanded(view, path))
                        gtk_tree_view_collapse_row(view, path);
                else
                        gtk_tree_view_expand_row(view, path, FALSE);
                return TRUE;
        }
        if (event->keyval == GDK_KP_Enter) {
        }
        if (widget == tree1_w)
                return FALSE;

        gtk_tree_model_get_iter(model2, &iter, path);
        gtk_tree_model_get(model2, &iter, COL_MENU, &menu, -1);

        if (!strcasecmp(event->string, "n"))
                col = COL_NO;
        else if (!strcasecmp(event->string, "m"))
                col = COL_MOD;
        else if (!strcasecmp(event->string, "y"))
                col = COL_YES;
        else
                col = -1;
        change_sym_value(menu, col);

        return FALSE;
}


/* Row selection changed: update help */
void
on_treeview2_cursor_changed(GtkTreeView * treeview, gpointer user_data)
{
        GtkTreeSelection *selection;
        GtkTreeIter iter;
        struct menu *menu;

        selection = gtk_tree_view_get_selection(treeview);
        if (gtk_tree_selection_get_selected(selection, &model2, &iter)) {
                gtk_tree_model_get(model2, &iter, COL_MENU, &menu, -1);
                text_insert_help(menu);
        }
}


/* User click: display sub-tree in the right frame. */
gboolean
on_treeview1_button_press_event(GtkWidget * widget,
                                GdkEventButton * event, gpointer user_data)
{
        GtkTreeView *view = GTK_TREE_VIEW(widget);
        GtkTreePath *path;
        GtkTreeViewColumn *column;
        GtkTreeIter iter;
        struct menu *menu;

        gint tx = (gint) event->x;
        gint ty = (gint) event->y;
        gint cx, cy;

        gtk_tree_view_get_path_at_pos(view, tx, ty, &path, &column, &cx,
                                      &cy);
        if (path == NULL)
                return FALSE;

        gtk_tree_model_get_iter(model1, &iter, path);
        gtk_tree_model_get(model1, &iter, COL_MENU, &menu, -1);

        if (event->type == GDK_2BUTTON_PRESS) {
                toggle_sym_value(menu);
                current = menu;
                display_tree_part();
        } else {
                browsed = menu;
                display_tree_part();
        }

        gtk_widget_realize(tree2_w);
        gtk_tree_view_set_cursor(view, path, NULL, FALSE);
        gtk_widget_grab_focus(tree2_w);

        return FALSE;
}


/* Fill a row of strings */
static gchar **fill_row(struct menu *menu)
{
        static gchar *row[COL_NUMBER];
        struct symbol *sym = menu->sym;
        const char *def;
        int stype;
        tristate val;
        enum prop_type ptype;
        int i;

        for (i = COL_OPTION; i <= COL_COLOR; i++)
                g_free(row[i]);
        bzero(row, sizeof(row));

        row[COL_OPTION] =
            g_strdup_printf("%s %s", _(menu_get_prompt(menu)),
                            sym && sym_has_value(sym) ? "(NEW)" : "");

        if (show_all && !menu_is_visible(menu))
                row[COL_COLOR] = g_strdup("DarkGray");
        else
                row[COL_COLOR] = g_strdup("Black");

        ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
        switch (ptype) {
        case P_MENU:
                row[COL_PIXBUF] = (gchar *) xpm_menu;
                if (view_mode == SINGLE_VIEW)
                        row[COL_PIXVIS] = GINT_TO_POINTER(TRUE);
                row[COL_BTNVIS] = GINT_TO_POINTER(FALSE);
                break;
        case P_COMMENT:
                row[COL_PIXBUF] = (gchar *) xpm_void;
                row[COL_PIXVIS] = GINT_TO_POINTER(FALSE);
                row[COL_BTNVIS] = GINT_TO_POINTER(FALSE);
                break;
        default:
                row[COL_PIXBUF] = (gchar *) xpm_void;
                row[COL_PIXVIS] = GINT_TO_POINTER(FALSE);
                row[COL_BTNVIS] = GINT_TO_POINTER(TRUE);
                break;
        }

        if (!sym)
                return row;
        row[COL_NAME] = g_strdup(sym->name);

        sym_calc_value(sym);
        sym->flags &= ~SYMBOL_CHANGED;

        if (sym_is_choice(sym)) {       // parse childs for getting final value
                struct menu *child;
                struct symbol *def_sym = sym_get_choice_value(sym);
                struct menu *def_menu = NULL;

                row[COL_BTNVIS] = GINT_TO_POINTER(FALSE);

                for (child = menu->list; child; child = child->next) {
                        if (menu_is_visible(child)
                            && child->sym == def_sym)
                                def_menu = child;
                }

                if (def_menu)
                        row[COL_VALUE] =
                            g_strdup(_(menu_get_prompt(def_menu)));
        }
        if (sym->flags & SYMBOL_CHOICEVAL)
                row[COL_BTNRAD] = GINT_TO_POINTER(TRUE);

        stype = sym_get_type(sym);
        switch (stype) {
        case S_BOOLEAN:
                if (GPOINTER_TO_INT(row[COL_PIXVIS]) == FALSE)
                        row[COL_BTNVIS] = GINT_TO_POINTER(TRUE);
                if (sym_is_choice(sym))
                        break;
        case S_TRISTATE:
                val = sym_get_tristate_value(sym);
                switch (val) {
                case no:
                        row[COL_NO] = g_strdup("N");
                        row[COL_VALUE] = g_strdup("N");
                        row[COL_BTNACT] = GINT_TO_POINTER(FALSE);
                        row[COL_BTNINC] = GINT_TO_POINTER(FALSE);
                        break;
                case mod:
                        row[COL_MOD] = g_strdup("M");
                        row[COL_VALUE] = g_strdup("M");
                        row[COL_BTNINC] = GINT_TO_POINTER(TRUE);
                        break;
                case yes:
                        row[COL_YES] = g_strdup("Y");
                        row[COL_VALUE] = g_strdup("Y");
                        row[COL_BTNACT] = GINT_TO_POINTER(TRUE);
                        row[COL_BTNINC] = GINT_TO_POINTER(FALSE);
                        break;
                }

                if (val != no && sym_tristate_within_range(sym, no))
                        row[COL_NO] = g_strdup("_");
                if (val != mod && sym_tristate_within_range(sym, mod))
                        row[COL_MOD] = g_strdup("_");
                if (val != yes && sym_tristate_within_range(sym, yes))
                        row[COL_YES] = g_strdup("_");
                break;
        case S_INT:
        case S_HEX:
        case S_STRING:
                def = sym_get_string_value(sym);
                row[COL_VALUE] = g_strdup(def);
                row[COL_EDIT] = GINT_TO_POINTER(TRUE);
                row[COL_BTNVIS] = GINT_TO_POINTER(FALSE);
                break;
        }

        return row;
}


/* Set the node content with a row of strings */
static void set_node(GtkTreeIter * node, struct menu *menu, gchar ** row)
{
        GdkColor color;
        gboolean success;
        GdkPixbuf *pix;

        pix = gdk_pixbuf_new_from_xpm_data((const char **)
                                           row[COL_PIXBUF]);

        gdk_color_parse(row[COL_COLOR], &color);
        gdk_colormap_alloc_colors(gdk_colormap_get_system(), &color, 1,
                                  FALSE, FALSE, &success);

        gtk_tree_store_set(tree, node,
                           COL_OPTION, row[COL_OPTION],
                           COL_NAME, row[COL_NAME],
                           COL_NO, row[COL_NO],
                           COL_MOD, row[COL_MOD],
                           COL_YES, row[COL_YES],
                           COL_VALUE, row[COL_VALUE],
                           COL_MENU, (gpointer) menu,
                           COL_COLOR, &color,
                           COL_EDIT, GPOINTER_TO_INT(row[COL_EDIT]),
                           COL_PIXBUF, pix,
                           COL_PIXVIS, GPOINTER_TO_INT(row[COL_PIXVIS]),
                           COL_BTNVIS, GPOINTER_TO_INT(row[COL_BTNVIS]),
                           COL_BTNACT, GPOINTER_TO_INT(row[COL_BTNACT]),
                           COL_BTNINC, GPOINTER_TO_INT(row[COL_BTNINC]),
                           COL_BTNRAD, GPOINTER_TO_INT(row[COL_BTNRAD]),
                           -1);

        g_object_unref(pix);
}


/* Add a node to the tree */
static void place_node(struct menu *menu, char **row)
{
        GtkTreeIter *parent = parents[indent - 1];
        GtkTreeIter *node = parents[indent];

        gtk_tree_store_append(tree, node, parent);
        set_node(node, menu, row);
}


/* Find a node in the GTK+ tree */
static GtkTreeIter found;

/*
 * Find a menu in the GtkTree starting at parent.
 */
GtkTreeIter *gtktree_iter_find_node(GtkTreeIter * parent,
                                    struct menu *tofind)
{
        GtkTreeIter iter;
        GtkTreeIter *child = &iter;
        gboolean valid;
        GtkTreeIter *ret;

        valid = gtk_tree_model_iter_children(model2, child, parent);
        while (valid) {
                struct menu *menu;

                gtk_tree_model_get(model2, child, 6, &menu, -1);

                if (menu == tofind) {
                        memcpy(&found, child, sizeof(GtkTreeIter));
                        return &found;
                }

                ret = gtktree_iter_find_node(child, tofind);
                if (ret)
                        return ret;

                valid = gtk_tree_model_iter_next(model2, child);
        }

        return NULL;
}


/*
 * Update the tree by adding/removing entries
 * Does not change other nodes
 */
static void update_tree(struct menu *src, GtkTreeIter * dst)
{
        struct menu *child1;
        GtkTreeIter iter, tmp;
        GtkTreeIter *child2 = &iter;
        gboolean valid;
        GtkTreeIter *sibling;
        struct symbol *sym;
        struct property *prop;
        struct menu *menu1, *menu2;

        if (src == &rootmenu)
                indent = 1;

        valid = gtk_tree_model_iter_children(model2, child2, dst);
        for (child1 = src->list; child1; child1 = child1->next) {

                prop = child1->prompt;
                sym = child1->sym;

              reparse:
                menu1 = child1;
                if (valid)
                        gtk_tree_model_get(model2, child2, COL_MENU,
                                           &menu2, -1);
                else
                        menu2 = NULL;   // force adding of a first child

#ifdef DEBUG
                printf("%*c%s | %s\n", indent, ' ',
                       menu1 ? menu_get_prompt(menu1) : "nil",
                       menu2 ? menu_get_prompt(menu2) : "nil");
#endif

                if (!menu_is_visible(child1) && !show_all) {    // remove node
                        if (gtktree_iter_find_node(dst, menu1) != NULL) {
                                memcpy(&tmp, child2, sizeof(GtkTreeIter));
                                valid = gtk_tree_model_iter_next(model2,
                                                                 child2);
                                gtk_tree_store_remove(tree2, &tmp);
                                if (!valid)
                                        return; // next parent
                                else
                                        goto reparse;   // next child
                        } else
                                continue;
                }

                if (menu1 != menu2) {
                        if (gtktree_iter_find_node(dst, menu1) == NULL) {       // add node
                                if (!valid && !menu2)
                                        sibling = NULL;
                                else
                                        sibling = child2;
                                gtk_tree_store_insert_before(tree2,
                                                             child2,
                                                             dst, sibling);
                                set_node(child2, menu1, fill_row(menu1));
                                if (menu2 == NULL)
                                        valid = TRUE;
                        } else {        // remove node
                                memcpy(&tmp, child2, sizeof(GtkTreeIter));
                                valid = gtk_tree_model_iter_next(model2,
                                                                 child2);
                                gtk_tree_store_remove(tree2, &tmp);
                                if (!valid)
                                        return; // next parent
                                else
                                        goto reparse;   // next child
                        }
                } else if (sym && (sym->flags & SYMBOL_CHANGED)) {
                        set_node(child2, menu1, fill_row(menu1));
                }

                indent++;
                update_tree(child1, child2);
                indent--;

                valid = gtk_tree_model_iter_next(model2, child2);
        }
}


/* Display the whole tree (single/split/full view) */
static void display_tree(struct menu *menu)
{
        struct symbol *sym;
        struct property *prop;
        struct menu *child;
        enum prop_type ptype;

        if (menu == &rootmenu) {
                indent = 1;
                current = &rootmenu;
        }

        for (child = menu->list; child; child = child->next) {
                prop = child->prompt;
                sym = child->sym;
                ptype = prop ? prop->type : P_UNKNOWN;

                if (sym)
                        sym->flags &= ~SYMBOL_CHANGED;

                if ((view_mode == SPLIT_VIEW)
                    && !(child->flags & MENU_ROOT) && (tree == tree1))
                        continue;

                if ((view_mode == SPLIT_VIEW) && (child->flags & MENU_ROOT)
                    && (tree == tree2))
                        continue;

                if (menu_is_visible(child) || show_all)
                        place_node(child, fill_row(child));
#ifdef DEBUG
                printf("%*c%s: ", indent, ' ', menu_get_prompt(child));
                printf("%s", child->flags & MENU_ROOT ? "rootmenu | " : "");
                dbg_print_ptype(ptype);
                printf(" | ");
                if (sym) {
                        dbg_print_stype(sym->type);
                        printf(" | ");
                        dbg_print_flags(sym->flags);
                        printf("\n");
                } else
                        printf("\n");
#endif
                if ((view_mode != FULL_VIEW) && (ptype == P_MENU)
                    && (tree == tree2))
                        continue;
/*
                if (((menu != &rootmenu) && !(menu->flags & MENU_ROOT))
                    || (view_mode == FULL_VIEW)
                    || (view_mode == SPLIT_VIEW))*/
                if (((view_mode == SINGLE_VIEW) && (menu->flags & MENU_ROOT))
                    || (view_mode == FULL_VIEW)
                    || (view_mode == SPLIT_VIEW)) {
                        indent++;
                        display_tree(child);
                        indent--;
                }
        }
}

/* Display a part of the tree starting at current node (single/split view) */
static void display_tree_part(void)
{
        if (tree2)
                gtk_tree_store_clear(tree2);
        if (view_mode == SINGLE_VIEW)
                display_tree(current);
        else if (view_mode == SPLIT_VIEW)
                display_tree(browsed);
        gtk_tree_view_expand_all(GTK_TREE_VIEW(tree2_w));
}

/* Display the list in the left frame (split view) */
static void display_list(void)
{
        if (tree1)
                gtk_tree_store_clear(tree1);

        tree = tree1;
        display_tree(&rootmenu);
        gtk_tree_view_expand_all(GTK_TREE_VIEW(tree1_w));
        tree = tree2;
}

void fixup_rootmenu(struct menu *menu)
{
        struct menu *child;
        static int menu_cnt = 0;

        menu->flags |= MENU_ROOT;
        for (child = menu->list; child; child = child->next) {
                if (child->prompt && child->prompt->type == P_MENU) {
                        menu_cnt++;
                        fixup_rootmenu(child);
                        menu_cnt--;
                } else if (!menu_cnt)
                        fixup_rootmenu(child);
        }
}


/* Main */
int main(int ac, char *av[])
{
        const char *name;
        char *env;
        gchar *glade_file;

#ifndef LKC_DIRECT_LINK
        kconfig_load();
#endif

        bindtextdomain(PACKAGE, LOCALEDIR);
        bind_textdomain_codeset(PACKAGE, "UTF-8");
        textdomain(PACKAGE);

        /* GTK stuffs */
        gtk_set_locale();
        gtk_init(&ac, &av);
        glade_init();

        //add_pixmap_directory (PACKAGE_DATA_DIR "/" PACKAGE "/pixmaps");
        //add_pixmap_directory (PACKAGE_SOURCE_DIR "/pixmaps");

        /* Determine GUI path */
        env = getenv(SRCTREE);
        if (env)
                glade_file = g_strconcat(env, "/scripts/kconfig/gconf.glade", NULL);
        else if (av[0][0] == '/')
                glade_file = g_strconcat(av[0], ".glade", NULL);
        else
                glade_file = g_strconcat(g_get_current_dir(), "/", av[0], ".glade", NULL);

        /* Load the interface and connect signals */
        init_main_window(glade_file);
        init_tree_model();
        init_left_tree();
        init_right_tree();

        /* Conf stuffs */
        if (ac > 1 && av[1][0] == '-') {
                switch (av[1][1]) {
                case 'a':
                        //showAll = 1;
                        break;
                case 'h':
                case '?':
                        printf("%s <config>\n", av[0]);
                        exit(0);
                }
                name = av[2];
        } else
                name = av[1];

        conf_parse(name);
        fixup_rootmenu(&rootmenu);
        conf_read(NULL);

        switch (view_mode) {
        case SINGLE_VIEW:
                display_tree_part();
                break;
        case SPLIT_VIEW:
                display_list();
                break;
        case FULL_VIEW:
                display_tree(&rootmenu);
                break;
        }

        gtk_main();

        return 0;
}

static void conf_changed(void)
{
        bool changed = conf_get_changed();
        gtk_widget_set_sensitive(save_btn, changed);
        gtk_widget_set_sensitive(save_menu_item, changed);
}

/* [<][>][^][v][top][bottom][index][help] */

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