callbacks.c

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/*
 *      callbacks.c - this file is part of Geany, a fast and lightweight IDE
 *
 *      Copyright 2005 The Geany contributors
 *
 *      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.,
 *      51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
/*
 * Callbacks used by Glade. These are mainly in response to menu item and button events in the
 * main window. Callbacks not used by Glade should go elsewhere.
 */
 
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
 
#include "callbacks.h"
 
#include "about.h"
#include "app.h"
#include "build.h"
#include "dialogs.h"
#include "documentprivate.h"
#include "encodings.h"
#include "filetypes.h"
#include "geanyobject.h"
#include "highlighting.h"
#include "keybindings.h"
#include "keyfile.h"
#include "log.h"
#include "main.h"
#include "msgwindow.h"
#include "navqueue.h"
#include "plugins.h"
#include "pluginutils.h"
#include "prefs.h"
#include "printing.h"
#include "sciwrappers.h"
#include "sidebar.h"
#include "spawn.h"
#ifdef HAVE_SOCKET
# include "socket.h"
#endif
#include "support.h"
#include "symbols.h"
#include "templates.h"
#include "toolbar.h"
#include "tools.h"
#include "ui_utils.h"
#include "utils.h"
#include "vte.h"
 
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <glib/gstdio.h>
#include <time.h>
 
 
/* represents the state at switching a notebook page(in the left treeviews widget), to not emit
 * the selection-changed signal from tv.tree_openfiles */
/*static gboolean switch_tv_notebook_page = FALSE; */
 
 
 
/* wrapper function to abort exit process if cancel button is pressed */
static gboolean on_window_delete_event(GtkWidget *widget, GdkEvent *event, gpointer gdata)
{
    return !main_quit();
}
 
 
/*
 * GUI callbacks
 */
 
void on_new1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    document_new_file(NULL, NULL, NULL);
}
 
 
/* create a new file and copy file content and properties */
static void on_clone1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *old_doc = document_get_current();
 
    if (old_doc)
        document_clone(old_doc);
}
 
 
void on_save1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    if (doc != NULL)
    {
        document_save_file(doc, ui_prefs.allow_always_save);
    }
}
 
 
void on_save_as1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    dialogs_show_save_as();
}
 
 
void on_save_all1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    guint i, max = (guint) gtk_notebook_get_n_pages(GTK_NOTEBOOK(main_widgets.notebook));
    GeanyDocument *cur_doc = document_get_current();
    guint count = 0;
 
    /* iterate over documents in tabs order */
    for (i = 0; i < max; i++)
    {
        GeanyDocument *doc = document_get_from_page(i);
 
        if (! doc->changed)
            continue;
 
        if (document_save_file(doc, FALSE))
            count++;
    }
    if (!count)
        return;
 
    ui_set_statusbar(FALSE, ngettext("%d file saved.", "%d files saved.", count), count);
    /* saving may have changed window title, sidebar for another doc, so update */
    document_show_tab(cur_doc);
    sidebar_update_tag_list(cur_doc, TRUE);
    ui_set_window_title(cur_doc);
}
 
 
void on_close_all1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    document_close_all();
}
 
 
void on_close1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    if (doc != NULL)
        document_close(doc);
}
 
 
void on_quit1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    main_quit();
}
 
 
static void on_file1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    gtk_widget_set_sensitive(ui_widgets.recent_files_menuitem,
                        g_queue_get_length(ui_prefs.recent_queue) > 0);
    /* hide Page setup when GTK printing is not used */
    ui_widget_show_hide(ui_widgets.print_page_setup, printing_prefs.use_gtk_printing);
}
 
 
/* edit actions, c&p & co, from menu bar and from popup menu */
static void on_edit1_select(GtkMenuItem *menuitem, gpointer user_data)
{
    GtkWidget *item;
    GeanyDocument *doc = document_get_current();
 
    ui_update_menu_copy_items(doc);
    ui_update_insert_include_item(doc, 1);
 
    item = ui_lookup_widget(main_widgets.window, "plugin_preferences1");
#ifndef HAVE_PLUGINS
    gtk_widget_hide(item);
#else
    gtk_widget_set_sensitive(item, plugins_have_preferences());
#endif
}
 
 
static void on_edit1_deselect(GtkMenuShell *menushell, gpointer user_data)
{
    /* we re-enable items that were disabled in on_edit1_select() on menu popdown to
     * workaround mutli-layout keyboard issues in our keybinding handling code, so that
     * GTK's accelerator handling can catch them.
     * See https://github.com/geany/geany/issues/1368#issuecomment-273678207 */
    ui_menu_copy_items_set_sensitive(TRUE);
}
 
 
void on_undo1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    if (document_can_undo(doc))
    {
        sci_cancel(doc->editor->sci);
        document_undo(doc);
    }
}
 
 
void on_redo1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    if (document_can_redo(doc))
    {
        sci_cancel(doc->editor->sci);
        document_redo(doc);
    }
}
 
 
void on_cut1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GtkWidget *focusw = gtk_window_get_focus(GTK_WINDOW(main_widgets.window));
 
    if (GTK_IS_EDITABLE(focusw))
        gtk_editable_cut_clipboard(GTK_EDITABLE(focusw));
    else if (IS_SCINTILLA(focusw))
        sci_cut(SCINTILLA(focusw));
    else if (GTK_IS_TEXT_VIEW(focusw))
    {
        GtkTextBuffer *buffer = gtk_text_view_get_buffer(
            GTK_TEXT_VIEW(focusw));
        gtk_text_buffer_cut_clipboard(buffer, gtk_clipboard_get(GDK_NONE), TRUE);
    }
}
 
 
void on_copy1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GtkWidget *focusw = gtk_window_get_focus(GTK_WINDOW(main_widgets.window));
 
    if (GTK_IS_EDITABLE(focusw))
        gtk_editable_copy_clipboard(GTK_EDITABLE(focusw));
    else if (IS_SCINTILLA(focusw))
        sci_copy(SCINTILLA(focusw));
    else if (GTK_IS_TEXT_VIEW(focusw))
    {
        GtkTextBuffer *buffer = gtk_text_view_get_buffer(
            GTK_TEXT_VIEW(focusw));
        gtk_text_buffer_copy_clipboard(buffer, gtk_clipboard_get(GDK_NONE));
    }
}
 
 
void on_paste1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GtkWidget *focusw = gtk_window_get_focus(GTK_WINDOW(main_widgets.window));
 
    if (GTK_IS_EDITABLE(focusw))
        gtk_editable_paste_clipboard(GTK_EDITABLE(focusw));
    else if (IS_SCINTILLA(focusw))
        sci_paste(SCINTILLA(focusw));
    else if (GTK_IS_TEXT_VIEW(focusw))
    {
        GtkTextBuffer *buffer = gtk_text_view_get_buffer(
            GTK_TEXT_VIEW(focusw));
        gtk_text_buffer_paste_clipboard(buffer, gtk_clipboard_get(GDK_NONE), NULL,
            TRUE);
    }
}
 
 
void on_delete1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GtkWidget *focusw = gtk_window_get_focus(GTK_WINDOW(main_widgets.window));
 
    if (GTK_IS_EDITABLE(focusw))
        gtk_editable_delete_selection(GTK_EDITABLE(focusw));
    else if (IS_SCINTILLA(focusw) && sci_has_selection(SCINTILLA(focusw)))
        sci_clear(SCINTILLA(focusw));
    else if (GTK_IS_TEXT_VIEW(focusw))
    {
        GtkTextBuffer *buffer = gtk_text_view_get_buffer(
            GTK_TEXT_VIEW(focusw));
        gtk_text_buffer_delete_selection(buffer, TRUE, TRUE);
    }
}
 
 
void on_preferences1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    prefs_show_dialog();
}
 
 
/* about menu item */
static void on_info1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    about_dialog_show();
}
 
 
/* open file */
void on_open1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    dialogs_show_open_file();
}
 
 
/* reload file */
void on_toolbutton_reload_clicked(GtkAction *action, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    document_reload_prompt(doc, NULL);
}
 
/* reload all files */
void on_reload_all(GtkAction *action, gpointer user_data)
{
    guint i;
    gint cur_page = gtk_notebook_get_current_page(GTK_NOTEBOOK(main_widgets.notebook));
 
    if (!file_prefs.keep_edit_history_on_reload)
    {
        GeanyDocument *doc;
        foreach_document(i)
        {
            doc = documents[i];
            if (doc->changed || document_can_undo(doc) || document_can_redo(doc))
            {
                if (dialogs_show_question_full(NULL, _("_Reload"), GTK_STOCK_CANCEL,
                    _("Changes detected, reloading all will lose any changes and history."),
                    _("Are you sure you want to reload all files?")))
                {
                    break; // break the loop and continue with reloading below
                }
                else
                {
                    return; // cancel reloading
                }
            }
        }
    }
 
    foreach_document(i)
    {
        if (! (documents[i]->file_name == NULL))
            document_reload_force(documents[i], documents[i]->encoding);
    }
 
    gtk_notebook_set_current_page(GTK_NOTEBOOK(main_widgets.notebook), cur_page);
}
 
 
static void on_change_font1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    dialogs_show_open_font();
}
 
 
/* store text, clear search flags so we can use Search->Find Next/Previous */
static void setup_find(const gchar *text, gboolean backwards)
{
    SETPTR(search_data.text, g_strdup(text));
    SETPTR(search_data.original_text, g_strdup(text));
    search_data.flags = 0;
    search_data.backwards = backwards;
    search_data.search_bar = TRUE;
}
 
 
static void do_toolbar_search(const gchar *text, gboolean incremental, gboolean backwards)
{
    GeanyDocument *doc = document_get_current();
    gboolean result;
 
    setup_find(text, backwards);
    result = document_search_bar_find(doc, search_data.text, incremental, backwards);
    if (search_data.search_bar)
        ui_set_search_entry_background(toolbar_get_widget_child_by_name("SearchEntry"), result);
}
 
 
/* search text */
void on_toolbar_search_entry_changed(GtkAction *action, const gchar *text, gpointer user_data)
{
    do_toolbar_search(text, TRUE, FALSE);
}
 
 
/* search text */
void on_toolbar_search_entry_activate(GtkAction *action, const gchar *text, gpointer user_data)
{
    do_toolbar_search(text, FALSE, GPOINTER_TO_INT(user_data));
}
 
 
/* search text */
void on_toolbutton_search_clicked(GtkAction *action, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    gboolean result;
    GtkWidget *entry = toolbar_get_widget_child_by_name("SearchEntry");
 
    if (entry != NULL)
    {
        const gchar *text = gtk_entry_get_text(GTK_ENTRY(entry));
 
        setup_find(text, FALSE);
        result = document_search_bar_find(doc, search_data.text, FALSE, FALSE);
        if (search_data.search_bar)
            ui_set_search_entry_background(entry, result);
    }
    else
        on_find1_activate(NULL, NULL);
}
 
 
/* hides toolbar from toolbar popup menu */
static void on_hide_toolbar1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GtkWidget *tool_item = ui_lookup_widget(GTK_WIDGET(main_widgets.window), "menu_show_toolbar1");
    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(tool_item), FALSE);
}
 
 
/* zoom in from menu bar and popup menu */
void on_zoom_in1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    sci_zoom_in(doc->editor->sci);
}
 
 
/* zoom out from menu bar and popup menu */
void on_zoom_out1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    sci_zoom_out(doc->editor->sci);
}
 
 
void on_normal_size1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    sci_zoom_off(doc->editor->sci);
}
 
 
/* Changes window-title after switching tabs and lots of other things.
 * note: using 'after' makes Scintilla redraw before the UI, appearing more responsive */
static void on_notebook1_switch_page_after(GtkNotebook *notebook, gpointer page,
        guint page_num, gpointer user_data)
{
    GeanyDocument *doc;
 
    if (G_UNLIKELY(main_status.opening_session_files || main_status.closing_all))
        return;
 
    doc = document_get_from_notebook_child(page);
 
    if (doc != NULL)
    {
        sidebar_select_openfiles_item(doc);
        ui_save_buttons_toggle(doc->changed);
        ui_set_window_title(doc);
        ui_update_statusbar(doc, -1);
        ui_update_popup_reundo_items(doc);
        ui_document_show_hide(doc); /* update the document menu */
        build_menu_update(doc);
        sidebar_update_tag_list(doc, FALSE);
        document_highlight_tags(doc);
 
        document_check_disk_status(doc, TRUE);
 
#ifdef HAVE_VTE
        vte_cwd((doc->real_path != NULL) ? doc->real_path : doc->file_name, FALSE);
#endif
 
        g_signal_emit_by_name(geany_object, "document-activate", doc);
    }
}
 
 
static void on_tv_notebook_switch_page(GtkNotebook *notebook, gpointer page,
        guint page_num, gpointer user_data)
{
    /* suppress selection changed signal when switching to the open files list */
    ignore_callback = TRUE;
}
 
 
static void on_tv_notebook_switch_page_after(GtkNotebook *notebook, gpointer page,
        guint page_num, gpointer user_data)
{
    ignore_callback = FALSE;
}
 
 
static void convert_eol(gint mode)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    /* sci_convert_eols() adds UNDO_SCINTILLA action in on_editor_notify().
     * It is added to the undo stack before sci_convert_eols() finishes
     * so after adding UNDO_EOL, UNDO_EOL will be at the top of the stack
     * and UNDO_SCINTILLA below it. */
    sci_convert_eols(doc->editor->sci, mode);
    document_undo_add(doc, UNDO_EOL, GINT_TO_POINTER(sci_get_eol_mode(doc->editor->sci)));
 
    sci_set_eol_mode(doc->editor->sci, mode);
 
    ui_update_statusbar(doc, -1);
}
 
 
static void on_crlf_activate(GtkCheckMenuItem *menuitem, gpointer user_data)
{
    if (ignore_callback || ! gtk_check_menu_item_get_active(menuitem))
        return;
 
    convert_eol(SC_EOL_CRLF);
}
 
 
static void on_lf_activate(GtkCheckMenuItem *menuitem, gpointer user_data)
{
    if (ignore_callback || ! gtk_check_menu_item_get_active(menuitem))
        return;
 
    convert_eol(SC_EOL_LF);
}
 
 
static void on_cr_activate(GtkCheckMenuItem *menuitem, gpointer user_data)
{
    if (ignore_callback || ! gtk_check_menu_item_get_active(menuitem))
        return;
 
    convert_eol(SC_EOL_CR);
}
 
 
void on_replace_tabs_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    editor_replace_tabs(doc->editor, FALSE);
}
 
 
gboolean toolbar_popup_menu(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
    if (event->button == 3)
    {
        gtk_menu_popup(GTK_MENU(ui_widgets.toolbar_menu), NULL, NULL, NULL, NULL, event->button, event->time);
        return TRUE;
    }
    return FALSE;
}
 
 
void on_toggle_case1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    ScintillaObject *sci;
    gboolean keep_sel = TRUE;
 
    g_return_if_fail(doc != NULL);
 
    sci = doc->editor->sci;
    if (! sci_has_selection(sci))
    {
        keybindings_send_command(GEANY_KEY_GROUP_SELECT, GEANY_KEYS_SELECT_WORD);
        keep_sel = FALSE;
    }
 
    /* either we already had a selection or we created one for current word */
    if (sci_has_selection(sci))
    {
        gchar *result = NULL;
        gint cmd = SCI_LOWERCASE;
        gboolean rectsel = (gboolean) SSM(sci, SCI_SELECTIONISRECTANGLE, 0, 0);
        gchar *text = sci_get_selection_contents(sci);
 
        if (utils_str_has_upper(text))
        {
            if (rectsel)
                cmd = SCI_LOWERCASE;
            else
                result = g_utf8_strdown(text, -1);
        }
        else
        {
            if (rectsel)
                cmd = SCI_UPPERCASE;
            else
                result = g_utf8_strup(text, -1);
        }
 
        if (result != NULL)
        {
            sci_replace_sel(sci, result);
            g_free(result);
            if (keep_sel)
                sci_set_selection_start(sci, sci_get_current_position(sci) - strlen(text));
        }
        else
            sci_send_command(sci, cmd);
 
        g_free(text);
    }
}
 
 
static void on_show_toolbar1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback) return;
 
    toolbar_prefs.visible = (toolbar_prefs.visible) ? FALSE : TRUE;;
    ui_widget_show_hide(GTK_WIDGET(main_widgets.toolbar), toolbar_prefs.visible);
}
 
 
static void on_fullscreen1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback)
        return;
 
    ui_prefs.fullscreen = (ui_prefs.fullscreen) ? FALSE : TRUE;
    ui_set_fullscreen();
}
 
 
static void on_show_messages_window1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback)
        return;
 
    ui_prefs.msgwindow_visible = (ui_prefs.msgwindow_visible) ? FALSE : TRUE;
    msgwin_show_hide(ui_prefs.msgwindow_visible);
}
 
 
static void on_menu_color_schemes_activate(GtkImageMenuItem *imagemenuitem, gpointer user_data)
{
    highlighting_show_color_scheme_dialog();
}
 
 
static void on_markers_margin1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback)
        return;
 
    editor_prefs.show_markers_margin = ! editor_prefs.show_markers_margin;
    ui_toggle_editor_features(GEANY_EDITOR_SHOW_MARKERS_MARGIN);
}
 
 
static void on_show_line_numbers1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback)
        return;
 
    editor_prefs.show_linenumber_margin = ! editor_prefs.show_linenumber_margin;
    ui_toggle_editor_features(GEANY_EDITOR_SHOW_LINE_NUMBERS);
}
 
 
static void on_menu_show_white_space1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback)
        return;
 
    editor_prefs.show_white_space = ! editor_prefs.show_white_space;
    ui_toggle_editor_features(GEANY_EDITOR_SHOW_WHITE_SPACE);
}
 
 
static void on_menu_show_line_endings1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback)
        return;
 
    editor_prefs.show_line_endings = ! editor_prefs.show_line_endings;
    ui_toggle_editor_features(GEANY_EDITOR_SHOW_LINE_ENDINGS);
}
 
 
static void on_menu_show_indentation_guides1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback)
        return;
 
    editor_prefs.show_indent_guide = ! editor_prefs.show_indent_guide;
    ui_toggle_editor_features(GEANY_EDITOR_SHOW_INDENTATION_GUIDES);
}
 
 
void on_line_wrapping1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (! ignore_callback)
    {
        GeanyDocument *doc = document_get_current();
        g_return_if_fail(doc != NULL);
 
        editor_set_line_wrapping(doc->editor, ! doc->editor->line_wrapping);
    }
}
 
 
static void on_set_file_readonly1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (! ignore_callback)
    {
        GeanyDocument *doc = document_get_current();
        g_return_if_fail(doc != NULL);
 
        doc->readonly = ! doc->readonly;
        sci_set_readonly(doc->editor->sci, doc->readonly);
        ui_update_tab_status(doc);
        ui_update_statusbar(doc, -1);
    }
}
 
 
static void on_use_auto_indentation1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (! ignore_callback)
    {
        GeanyDocument *doc = document_get_current();
        g_return_if_fail(doc != NULL);
 
        doc->editor->auto_indent = ! doc->editor->auto_indent;
    }
}
 
 
static void find_usage(gboolean in_session)
{
    GeanyFindFlags flags;
    gchar *search_text;
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    if (sci_has_selection(doc->editor->sci))
    {   /* take selected text if there is a selection */
        search_text = sci_get_selection_contents(doc->editor->sci);
        flags = GEANY_FIND_MATCHCASE;
    }
    else
    {
        editor_find_current_word_sciwc(doc->editor, -1,
            editor_info.current_word, GEANY_MAX_WORD_LENGTH);
        search_text = g_strdup(editor_info.current_word);
        flags = GEANY_FIND_MATCHCASE | GEANY_FIND_WHOLEWORD;
    }
 
    search_find_usage(search_text, search_text, flags, in_session);
    g_free(search_text);
}
 
 
void on_find_document_usage1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    find_usage(FALSE);
}
 
 
void on_find_usage1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    find_usage(TRUE);
}
 
 
static void goto_tag(gboolean definition)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    /* update cursor pos for navigating back afterwards */
    if (!sci_has_selection(doc->editor->sci))
        sci_set_current_position(doc->editor->sci, editor_info.click_pos, FALSE);
 
    /* use the keybinding callback as it checks for selections as well as current word */
    if (definition)
        keybindings_send_command(GEANY_KEY_GROUP_GOTO, GEANY_KEYS_GOTO_TAGDEFINITION);
    else
        keybindings_send_command(GEANY_KEY_GROUP_GOTO, GEANY_KEYS_GOTO_TAGDECLARATION);
}
 
 
static void on_goto_tag_definition1(GtkMenuItem *menuitem, gpointer user_data)
{
    goto_tag(TRUE);
}
 
 
static void on_goto_tag_declaration1(GtkMenuItem *menuitem, gpointer user_data)
{
    goto_tag(FALSE);
}
 
 
static void on_count_words1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    tools_word_count();
}
 
 
void on_show_color_chooser1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    gchar colour[9];
    GeanyDocument *doc = document_get_current();
    gint pos;
 
    g_return_if_fail(doc != NULL);
 
    pos = sci_get_current_position(doc->editor->sci);
    editor_find_current_word(doc->editor, pos, colour, sizeof colour, GEANY_WORDCHARS"#");
    tools_color_chooser(colour);
}
 
 
void on_toolbutton_compile_clicked(GtkAction *action, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_BUILD, GEANY_KEYS_BUILD_COMPILE);
}
 
 
void on_find1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    search_show_find_dialog();
}
 
 
void on_find_next1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    search_find_again(FALSE);
}
 
 
void on_find_previous1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    if (search_data.flags & GEANY_FIND_REGEXP)
        /* Can't reverse search order for a regex (find next ignores search backwards) */
        utils_beep();
    else
        search_find_again(TRUE);
}
 
 
void on_find_nextsel1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    search_find_selection(document_get_current(), FALSE);
}
 
 
void on_find_prevsel1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    search_find_selection(document_get_current(), TRUE);
}
 
 
void on_replace1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    search_show_replace_dialog();
}
 
 
void on_find_in_files1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    search_show_find_in_files_dialog(NULL);
}
 
 
static void get_line_and_offset_from_text(const gchar *text, gint *line_no, gint *offset)
{
    if (*text == '+' || *text == '-')
    {
        *line_no = atoi(text + 1);
        *offset = (*text == '+') ? 1 : -1;
    }
    else
    {
        *line_no = atoi(text) - 1;
        *offset = 0;
    }
}
 
 
void on_go_to_line_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    static gchar value[16] = "";
    gchar *result;
 
    result = dialogs_show_input_goto_line(
        _("Go to Line"), GTK_WINDOW(main_widgets.window),
        _("Enter the line you want to go to:"), value);
    if (result != NULL)
    {
        GeanyDocument *doc = document_get_current();
        gint offset;
        gint line_no;
 
        g_return_if_fail(doc != NULL);
 
        get_line_and_offset_from_text(result, &line_no, &offset);
        if (! editor_goto_line(doc->editor, line_no, offset))
            utils_beep();
        /* remember value for future calls */
        g_snprintf(value, sizeof(value), "%s", result);
 
        g_free(result);
    }
}
 
 
void on_toolbutton_goto_entry_activate(GtkAction *action, const gchar *text, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    gint offset;
    gint line_no;
 
    g_return_if_fail(doc != NULL);
 
    get_line_and_offset_from_text(text, &line_no, &offset);
    if (! editor_goto_line(doc->editor, line_no, offset))
        utils_beep();
    else
        keybindings_send_command(GEANY_KEY_GROUP_FOCUS, GEANY_KEYS_FOCUS_EDITOR);
}
 
 
void on_toolbutton_goto_clicked(GtkAction *action, gpointer user_data)
{
    GtkWidget *entry = toolbar_get_widget_child_by_name("GotoEntry");
 
    if (entry != NULL)
    {
        const gchar *text = gtk_entry_get_text(GTK_ENTRY(entry));
 
        on_toolbutton_goto_entry_activate(NULL, text, NULL);
    }
    else
        on_go_to_line_activate(NULL, NULL);
}
 
 
void on_help1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    gchar *uri;
 
    uri = utils_get_help_url(NULL);
    utils_open_browser(uri);
    g_free(uri);
}
 
 
static void on_help_shortcuts1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_show_shortcuts();
}
 
 
static void on_website1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    utils_open_browser(GEANY_HOMEPAGE);
}
 
 
static void on_help_menu_item_donate_activate(GtkMenuItem *item, gpointer user_data)
{
    utils_open_browser(GEANY_DONATE);
}
 
 
static void on_help_menu_item_wiki_activate(GtkMenuItem *item, gpointer user_data)
{
    utils_open_browser(GEANY_WIKI);
}
 
 
static void on_help_menu_item_bug_report_activate(GtkMenuItem *item, gpointer user_data)
{
    utils_open_browser(GEANY_BUG_REPORT);
}
 
 
static void on_comments_function_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    gchar *text;
    const gchar *cur_tag = NULL;
    gint line = -1, pos = 0;
 
    if (doc == NULL || doc->file_type == NULL)
    {
        ui_set_statusbar(FALSE,
            _("Please set the filetype for the current file before using this function."));
        return;
    }
 
    /* symbols_get_current_function returns -1 on failure, so sci_get_position_from_line
     * returns the current position, so it should be safe */
    line = symbols_get_current_function(doc, &cur_tag);
    pos = sci_get_position_from_line(doc->editor->sci, line);
 
    text = templates_get_template_function(doc, cur_tag);
 
    sci_start_undo_action(doc->editor->sci);
    sci_insert_text(doc->editor->sci, pos, text);
    sci_end_undo_action(doc->editor->sci);
    g_free(text);
}
 
 
static void insert_multiline_comment(GeanyDocument *doc, gint pos)
{
    g_return_if_fail(doc != NULL);
    g_return_if_fail(pos == -1 || pos >= 0);
 
    if (doc->file_type == NULL)
    {
        ui_set_statusbar(FALSE,
            _("Please set the filetype for the current file before using this function."));
        return;
    }
 
    if (doc->file_type->comment_open || doc->file_type->comment_single)
    {
        /* editor_insert_multiline_comment() uses editor_info.click_pos */
        if (pos == -1)
            editor_info.click_pos = sci_get_current_position(doc->editor->sci);
        else
            editor_info.click_pos = pos;
        editor_insert_multiline_comment(doc->editor);
    }
    else
        utils_beep();
}
 
 
static void on_comments_multiline_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    insert_multiline_comment(document_get_current(), editor_info.click_pos);
}
 
 
static void on_menu_comments_multiline_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    insert_multiline_comment(document_get_current(), -1);
}
 
 
static void insert_comment_template(GeanyDocument *doc, gint pos, guint template)
{
    gchar *text;
 
    g_return_if_fail(doc != NULL);
    g_return_if_fail(pos == -1 || pos >= 0);
    g_return_if_fail(template < GEANY_MAX_TEMPLATES);
 
    if (pos == -1)
        pos = sci_get_current_position(doc->editor->sci);
 
    text = templates_get_template_licence(doc, template);
 
    sci_start_undo_action(doc->editor->sci);
    sci_insert_text(doc->editor->sci, pos, text);
    sci_end_undo_action(doc->editor->sci);
    g_free(text);
}
 
 
static void on_comments_gpl_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    insert_comment_template(document_get_current(), editor_info.click_pos, GEANY_TEMPLATE_GPL);
}
 
 
static void on_menu_comments_gpl_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    insert_comment_template(document_get_current(), -1, GEANY_TEMPLATE_GPL);
}
 
 
static void on_comments_bsd_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    insert_comment_template(document_get_current(), editor_info.click_pos, GEANY_TEMPLATE_BSD);
}
 
 
static void on_menu_comments_bsd_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    insert_comment_template(document_get_current(), -1, GEANY_TEMPLATE_BSD);
}
 
 
static void on_comments_changelog_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    gchar *text;
 
    g_return_if_fail(doc != NULL);
 
    text = templates_get_template_changelog(doc);
    sci_start_undo_action(doc->editor->sci);
    sci_insert_text(doc->editor->sci, 0, text);
    /* sets the cursor to the right position to type the changelog text,
     * the template has 21 chars + length of name and email */
    sci_goto_pos(doc->editor->sci, 21 + strlen(template_prefs.developer) + strlen(template_prefs.mail), TRUE);
    sci_end_undo_action(doc->editor->sci);
 
    g_free(text);
}
 
 
static void on_comments_fileheader_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    gchar *text;
    const gchar *fname;
    GeanyFiletype *ft;
 
    g_return_if_fail(doc != NULL);
 
    ft = doc->file_type;
    fname = doc->file_name;
    text = templates_get_template_fileheader(FILETYPE_ID(ft), fname);
 
    sci_start_undo_action(doc->editor->sci);
    sci_insert_text(doc->editor->sci, 0, text);
    sci_goto_pos(doc->editor->sci, 0, FALSE);
    sci_end_undo_action(doc->editor->sci);
    g_free(text);
}
 
 
void on_file_properties_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    dialogs_show_file_properties(doc);
}
 
 
static void on_menu_fold_all1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_fold_all(doc->editor);
}
 
 
static void on_menu_unfold_all1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_unfold_all(doc->editor);
}
 
 
void on_toolbutton_run_clicked(GtkAction *action, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_BUILD, GEANY_KEYS_BUILD_RUN);
}
 
 
void on_menu_remove_indicators1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_indicator_clear(doc->editor, GEANY_INDICATOR_ERROR);
}
 
 
void on_print1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    printing_print_doc(doc);
}
 
 
void on_menu_select_all1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GtkWidget *focusw = gtk_window_get_focus(GTK_WINDOW(main_widgets.window));
 
    /* special case for Select All in the scribble widget */
    if (GTK_IS_TEXT_VIEW(focusw))
    {
        g_signal_emit_by_name(focusw, "select-all", TRUE);
    }
    /* special case for Select All in the VTE widget */
#ifdef HAVE_VTE
    else if (vte_info.have_vte && focusw == vc->vte)
    {
        vte_select_all();
    }
#endif
    else if (GTK_IS_EDITABLE(focusw))
    {
        gtk_editable_select_region(GTK_EDITABLE(focusw), 0, -1);
    }
    else if (IS_SCINTILLA(focusw))
    {
        sci_select_all(SCINTILLA(focusw));
    }
}
 
 
void on_menu_show_sidebar1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (ignore_callback)
        return;
 
    ui_prefs.sidebar_visible = ! ui_prefs.sidebar_visible;
 
    /* show built-in tabs if no tabs visible */
    if (ui_prefs.sidebar_visible &&
        ! interface_prefs.sidebar_openfiles_visible && ! interface_prefs.sidebar_symbol_visible &&
        gtk_notebook_get_n_pages(GTK_NOTEBOOK(main_widgets.sidebar_notebook)) <= 2)
    {
        interface_prefs.sidebar_openfiles_visible = TRUE;
        interface_prefs.sidebar_symbol_visible = TRUE;
    }
 
    /* if window has input focus, set it back to the editor before toggling off */
    if (! ui_prefs.sidebar_visible &&
        gtk_container_get_focus_child(GTK_CONTAINER(main_widgets.sidebar_notebook)) != NULL)
    {
        keybindings_send_command(GEANY_KEY_GROUP_FOCUS, GEANY_KEYS_FOCUS_EDITOR);
    }
 
    ui_sidebar_show_hide();
}
 
 
static void on_menu_write_unicode_bom1_toggled(GtkCheckMenuItem *checkmenuitem, gpointer user_data)
{
    if (! ignore_callback)
    {
        GeanyDocument *doc = document_get_current();
 
        g_return_if_fail(doc != NULL);
        if (doc->readonly)
        {
            utils_beep();
            return;
        }
 
        document_undo_add(doc, UNDO_BOM, GINT_TO_POINTER(doc->has_bom));
 
        doc->has_bom = ! doc->has_bom;
 
        ui_update_statusbar(doc, -1);
    }
}
 
 
void on_menu_comment_line1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_do_comment(doc->editor, -1, FALSE, FALSE, TRUE);
}
 
 
void on_menu_uncomment_line1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_do_uncomment(doc->editor, -1, FALSE);
}
 
 
void on_menu_toggle_line_commentation1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_do_comment_toggle(doc->editor);
}
 
 
void on_menu_increase_indent1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_indent(doc->editor, TRUE);
}
 
 
void on_menu_decrease_indent1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_indent(doc->editor, FALSE);
}
 
 
void on_next_message1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    if (! ui_tree_view_find_next(GTK_TREE_VIEW(msgwindow.tree_msg),
        msgwin_goto_messages_file_line))
        ui_set_statusbar(FALSE, _("No more message items."));
}
 
 
void on_previous_message1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    if (! ui_tree_view_find_previous(GTK_TREE_VIEW(msgwindow.tree_msg),
        msgwin_goto_messages_file_line))
        ui_set_statusbar(FALSE, _("No more message items."));
}
 
 
void on_project_new1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    project_new();
}
 
 
void on_project_open1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    project_open();
}
 
 
void on_project_close1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    project_close(TRUE);
}
 
 
void on_project_properties1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    project_properties();
}
 
 
static void on_menu_project1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    static GtkWidget *item_close = NULL;
    static GtkWidget *item_properties = NULL;
 
    if (item_close == NULL)
    {
        item_close = ui_lookup_widget(main_widgets.window, "project_close1");
        item_properties = ui_lookup_widget(main_widgets.window, "project_properties1");
    }
 
    gtk_widget_set_sensitive(item_close, (app->project != NULL));
    gtk_widget_set_sensitive(item_properties, (app->project != NULL));
    gtk_widget_set_sensitive(ui_widgets.recent_projects_menuitem,
                        g_queue_get_length(ui_prefs.recent_projects_queue) > 0);
}
 
 
void on_menu_open_selected_file1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    gchar *sel = NULL;
    const gchar *wc;
 
#ifdef G_OS_WIN32
    wc = GEANY_WORDCHARS "./-" "\\";
#else
    wc = GEANY_WORDCHARS "./-";
#endif
 
    g_return_if_fail(doc != NULL);
 
    sel = editor_get_default_selection(doc->editor, TRUE, wc);
    SETPTR(sel, utils_get_locale_from_utf8(sel));
 
    if (sel != NULL)
    {
        gchar *filename = NULL;
 
        if (g_path_is_absolute(sel))
            filename = g_strdup(sel);
        else
        {   /* relative filename, add the path of the current file */
            gchar *path;
 
            path = utils_get_current_file_dir_utf8();
            SETPTR(path, utils_get_locale_from_utf8(path));
            if (!path)
                path = g_get_current_dir();
 
            filename = g_build_path(G_DIR_SEPARATOR_S, path, sel, NULL);
 
            if (! g_file_test(filename, G_FILE_TEST_EXISTS) &&
                app->project != NULL && !EMPTY(app->project->base_path))
            {
                /* try the project's base path */
                SETPTR(path, project_get_base_path());
                SETPTR(path, utils_get_locale_from_utf8(path));
                SETPTR(filename, g_build_path(G_DIR_SEPARATOR_S, path, sel, NULL));
            }
            g_free(path);
#ifdef G_OS_UNIX
            if (! g_file_test(filename, G_FILE_TEST_EXISTS))
                SETPTR(filename, g_build_path(G_DIR_SEPARATOR_S, "/usr/local/include", sel, NULL));
 
            if (! g_file_test(filename, G_FILE_TEST_EXISTS))
                SETPTR(filename, g_build_path(G_DIR_SEPARATOR_S, "/usr/include", sel, NULL));
#endif
        }
 
        if (g_file_test(filename, G_FILE_TEST_EXISTS))
            document_open_file(filename, FALSE, NULL, NULL);
        else
        {
            SETPTR(sel, utils_get_utf8_from_locale(sel));
            ui_set_statusbar(TRUE, _("Could not open file %s (File not found)"), sel);
        }
 
        g_free(filename);
        g_free(sel);
    }
}
 
 
void on_remove_markers1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    sci_marker_delete_all(doc->editor->sci, 0); /* delete the yellow tag marker */
    sci_marker_delete_all(doc->editor->sci, 1); /* delete user markers */
    editor_indicator_clear(doc->editor, GEANY_INDICATOR_SEARCH);
}
 
 
static void on_load_tags1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    symbols_show_load_tags_dialog();
}
 
 
void on_context_action1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    gchar *word, *command;
    GError *error = NULL;
    GeanyDocument *doc = document_get_current();
    const gchar *check_msg;
 
    g_return_if_fail(doc != NULL);
 
    if (sci_has_selection(doc->editor->sci))
    {   /* take selected text if there is a selection */
        word = sci_get_selection_contents(doc->editor->sci);
    }
    else
    {
        word = g_strdup(editor_info.current_word);
    }
 
    /* use the filetype specific command if available, fallback to global command otherwise */
    if (doc->file_type != NULL &&
        !EMPTY(doc->file_type->context_action_cmd))
    {
        command = g_strdup(doc->file_type->context_action_cmd);
        check_msg = _("Check the path setting in Filetype configuration.");
    }
    else
    {
        command = g_strdup(tool_prefs.context_action_cmd);
        check_msg = _("Check the path setting in Preferences.");
    }
 
    /* substitute the wildcard %s and run the command if it is non empty */
    if (G_LIKELY(!EMPTY(command)))
    {
        gchar *command_line = g_strdup(command);
 
        utils_str_replace_all(&command_line, "%s", word);
 
        if (!spawn_async(NULL, command_line, NULL, NULL, NULL, &error))
        {
            /* G_SHELL_ERROR is parsing error, it may be caused by %s word with quotes */
            ui_set_statusbar(TRUE, _("Cannot execute context action command \"%s\": %s. %s"),
                error->domain == G_SHELL_ERROR ? command_line : command, error->message,
                check_msg);
            g_error_free(error);
        }
        g_free(command_line);
    }
    else
    {
        ui_set_statusbar(TRUE, _("No context action set."));
    }
    g_free(word);
    g_free(command);
}
 
 
void on_menu_toggle_all_additional_widgets1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    static gint hide_all = -1;
    GtkCheckMenuItem *msgw = GTK_CHECK_MENU_ITEM(
        ui_lookup_widget(main_widgets.window, "menu_show_messages_window1"));
    GtkCheckMenuItem *toolbari = GTK_CHECK_MENU_ITEM(
        ui_lookup_widget(main_widgets.window, "menu_show_toolbar1"));
 
    /* get the initial state (necessary if Geany was closed with hide_all = TRUE) */
    if (G_UNLIKELY(hide_all == -1))
    {
        if (! gtk_check_menu_item_get_active(msgw) &&
            ! interface_prefs.show_notebook_tabs &&
            ! gtk_check_menu_item_get_active(toolbari))
        {
            hide_all = TRUE;
        }
        else
            hide_all = FALSE;
    }
 
    hide_all = ! hide_all; /* toggle */
 
    if (hide_all)
    {
        if (gtk_check_menu_item_get_active(msgw))
            gtk_check_menu_item_set_active(msgw, ! gtk_check_menu_item_get_active(msgw));
 
        interface_prefs.show_notebook_tabs = FALSE;
        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(main_widgets.notebook), interface_prefs.show_notebook_tabs);
 
        ui_statusbar_showhide(FALSE);
 
        if (gtk_check_menu_item_get_active(toolbari))
            gtk_check_menu_item_set_active(toolbari, ! gtk_check_menu_item_get_active(toolbari));
    }
    else
    {
 
        if (! gtk_check_menu_item_get_active(msgw))
            gtk_check_menu_item_set_active(msgw, ! gtk_check_menu_item_get_active(msgw));
 
        interface_prefs.show_notebook_tabs = TRUE;
        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(main_widgets.notebook), interface_prefs.show_notebook_tabs);
 
        ui_statusbar_showhide(TRUE);
 
        if (! gtk_check_menu_item_get_active(toolbari))
            gtk_check_menu_item_set_active(toolbari, ! gtk_check_menu_item_get_active(toolbari));
    }
}
 
 
void on_toolbutton_forward_activate(GtkAction *menuitem, gpointer user_data)
{
    navqueue_go_forward();
}
 
 
void on_toolbutton_back_activate(GtkAction *menuitem, gpointer user_data)
{
    navqueue_go_back();
}
 
 
gboolean on_motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
{
    if (prefs.auto_focus && ! gtk_widget_has_focus(widget))
        gtk_widget_grab_focus(widget);
 
    return FALSE;
}
 
 
static void set_indent_type(GtkCheckMenuItem *menuitem, GeanyIndentType type)
{
    GeanyDocument *doc;
 
    if (ignore_callback || ! gtk_check_menu_item_get_active(menuitem))
        return;
 
    doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_set_indent(doc->editor, type, doc->editor->indent_width);
    ui_update_statusbar(doc, -1);
}
 
 
static void on_tabs1_activate(GtkCheckMenuItem *menuitem, gpointer user_data)
{
    set_indent_type(menuitem, GEANY_INDENT_TYPE_TABS);
}
 
 
static void on_spaces1_activate(GtkCheckMenuItem *menuitem, gpointer user_data)
{
    set_indent_type(menuitem, GEANY_INDENT_TYPE_SPACES);
}
 
 
static void on_tabs_and_spaces1_activate(GtkCheckMenuItem *menuitem, gpointer user_data)
{
    set_indent_type(menuitem, GEANY_INDENT_TYPE_BOTH);
}
 
 
static void on_strip_trailing_spaces1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc;
 
    if (ignore_callback)
        return;
 
    doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    editor_strip_trailing_spaces(doc->editor, FALSE);
}
 
 
static void on_page_setup1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    printing_page_setup_gtk();
}
 
 
gboolean on_escape_key_press_event(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
{
    guint state = keybindings_get_modifiers(event->state);
 
    /* make pressing escape in the sidebar and toolbar focus the editor */
    if (event->keyval == GDK_KEY_Escape && state == 0)
    {
        keybindings_send_command(GEANY_KEY_GROUP_FOCUS, GEANY_KEYS_FOCUS_EDITOR);
        return TRUE;
    }
    return FALSE;
}
 
 
void on_line_breaking1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc;
 
    if (ignore_callback)
        return;
 
    doc = document_get_current();
    g_return_if_fail(doc != NULL);
 
    doc->editor->line_breaking = !doc->editor->line_breaking;
}
 
 
void on_replace_spaces_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
 
    g_return_if_fail(doc != NULL);
 
    editor_replace_spaces(doc->editor, FALSE);
}
 
 
static void on_search1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GtkWidget *next_message = ui_lookup_widget(main_widgets.window, "next_message1");
    GtkWidget *previous_message = ui_lookup_widget(main_widgets.window, "previous_message1");
    gboolean have_messages;
 
    /* enable commands if the messages window has any items */
    have_messages = gtk_tree_model_iter_n_children(GTK_TREE_MODEL(msgwindow.store_msg),
        NULL) > 0;
 
    gtk_widget_set_sensitive(next_message, have_messages);
    gtk_widget_set_sensitive(previous_message, have_messages);
}
 
 
/* simple implementation (vs. close all which doesn't close documents if cancelled),
 * if user_data is set, it is the GeanyDocument to keep */
void on_close_other_documents1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    guint i;
    GeanyDocument *cur_doc = user_data;
 
    if (cur_doc == NULL)
        cur_doc = document_get_current();
 
    for (i = 0; i < documents_array->len; i++)
    {
        GeanyDocument *doc = documents[i];
 
        if (doc == cur_doc || ! doc->is_valid)
            continue;
 
        if (! document_close(doc))
            break;
    }
}
 
 
static void on_menu_reload_configuration1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    main_reload_configuration();
}
 
 
static void on_debug_messages1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    log_show_debug_messages_dialog();
}
 
 
void on_send_selection_to_vte1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
#ifdef HAVE_VTE
    if (vte_info.have_vte)
        vte_send_selection_to_vte();
#endif
}
 
 
static gboolean on_window_state_event(GtkWidget *widget, GdkEventWindowState *event, gpointer user_data)
{
 
    if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
    {
        static GtkWidget *menuitem = NULL;
 
        if (menuitem == NULL)
            menuitem = ui_lookup_widget(widget, "menu_fullscreen1");
 
        ignore_callback = TRUE;
 
        ui_prefs.fullscreen = (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) ? TRUE : FALSE;
        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem), ui_prefs.fullscreen);
 
        ignore_callback = FALSE;
    }
    return FALSE;
}
 
 
static void show_notebook_page(const gchar *notebook_name, const gchar *page_name)
{
    GtkWidget *widget;
    GtkNotebook *notebook;
 
    widget = ui_lookup_widget(ui_widgets.prefs_dialog, page_name);
    notebook = GTK_NOTEBOOK(ui_lookup_widget(ui_widgets.prefs_dialog, notebook_name));
 
    if (notebook != NULL && widget != NULL)
        gtk_notebook_set_current_page(notebook, gtk_notebook_page_num(notebook, widget));
}
 
 
static void on_customize_toolbar1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    prefs_show_dialog();
 
    /* select the Interface page */
    show_notebook_page("notebook2", "notebook6");
    /* select the Toolbar subpage */
    show_notebook_page("notebook6", "vbox15");
}
 
 
static void on_button_customize_toolbar_clicked(GtkButton *button, gpointer user_data)
{
    toolbar_configure(GTK_WINDOW(ui_widgets.prefs_dialog));
}
 
 
static void on_cut_current_lines1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_CLIPBOARD, GEANY_KEYS_CLIPBOARD_CUTLINE);
}
 
 
static void on_copy_current_lines1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_CLIPBOARD, GEANY_KEYS_CLIPBOARD_COPYLINE);
}
 
 
static void on_delete_current_lines1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_EDITOR, GEANY_KEYS_EDITOR_DELETELINE);
}
 
 
static void on_duplicate_line_or_selection1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_EDITOR, GEANY_KEYS_EDITOR_DUPLICATELINE);
}
 
 
static void on_select_current_lines1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_SELECT, GEANY_KEYS_SELECT_LINE);
}
 
 
static void on_select_current_paragraph1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_SELECT, GEANY_KEYS_SELECT_PARAGRAPH);
}
 
 
static void on_insert_alternative_white_space1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_INSERT, GEANY_KEYS_INSERT_ALTWHITESPACE);
}
 
 
static void on_go_to_next_marker1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_GOTO, GEANY_KEYS_GOTO_NEXTMARKER);
}
 
 
static void on_go_to_previous_marker1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_GOTO, GEANY_KEYS_GOTO_PREVIOUSMARKER);
}
 
 
static void on_reflow_lines_block1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_FORMAT, GEANY_KEYS_FORMAT_REFLOWPARAGRAPH);
}
 
 
static void on_move_lines_up1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_EDITOR, GEANY_KEYS_EDITOR_MOVELINEUP);
}
 
 
static void on_move_lines_down1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_EDITOR, GEANY_KEYS_EDITOR_MOVELINEDOWN);
}
 
 
static void on_smart_line_indent1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_FORMAT, GEANY_KEYS_FORMAT_AUTOINDENT);
}
 
 
void on_plugin_preferences1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
#ifdef HAVE_PLUGINS
    plugin_show_configure(NULL);
#endif
}
 
 
static void on_indent_width_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc;
    gchar *label;
    gint width;
 
    if (ignore_callback)
        return;
 
    label = ui_menu_item_get_text(menuitem);
    width = atoi(label);
    g_free(label);
 
    doc = document_get_current();
    if (doc != NULL && width > 0)
        editor_set_indent_width(doc->editor, width);
}
 
 
static void on_reset_indentation1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    guint i;
 
    foreach_document(i)
        document_apply_indent_settings(documents[i]);
 
    ui_update_statusbar(NULL, -1);
    ui_document_show_hide(NULL);
}
 
 
static void on_mark_all1_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    keybindings_send_command(GEANY_KEY_GROUP_SEARCH, GEANY_KEYS_SEARCH_MARKALL);
}
 
 
static void on_detect_type_from_file_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    GeanyIndentType type;
 
    if (doc != NULL && document_detect_indent_type(doc, &type))
    {
        editor_set_indent_type(doc->editor, type);
        ui_document_show_hide(doc);
        ui_update_statusbar(doc, -1);
    }
}
 
 
static void on_show_symbol_list_toggled(GtkToggleButton *button, gpointer user_data)
{
    GtkWidget *widget = ui_lookup_widget(ui_widgets.prefs_dialog, "box_show_symbol_list_children");
 
    gtk_widget_set_sensitive(widget, gtk_toggle_button_get_active(button));
}
 
 
static void on_detect_width_from_file_activate(GtkMenuItem *menuitem, gpointer user_data)
{
    GeanyDocument *doc = document_get_current();
    gint width;
 
    if (doc != NULL && document_detect_indent_width(doc, &width))
    {
        editor_set_indent_width(doc->editor, width);
        ui_document_show_hide(doc);
    }
}
 
 
static void builder_connect_func(GtkBuilder *builder, GObject *object,
    const gchar *signal_name, const gchar *handler_name, GObject *connect_obj,
    GConnectFlags flags, gpointer user_data)
{
    GHashTable *hash = user_data;
    GCallback callback;
 
    callback = g_hash_table_lookup(hash, handler_name);
    g_return_if_fail(callback);
 
    if (connect_obj == NULL)
        g_signal_connect_data(object, signal_name, callback, NULL, NULL, flags);
    else
        g_signal_connect_object(object, signal_name, callback, connect_obj, flags);
}
 
 
void callbacks_connect(GtkBuilder *builder)
{
    GHashTable *hash;
 
    g_return_if_fail(GTK_IS_BUILDER(builder));
 
    hash = g_hash_table_new(g_str_hash, g_str_equal);
 
#define ITEM(n) g_hash_table_insert(hash, (gpointer) #n, G_CALLBACK(n));
#   include "signallist.i"
#undef ITEM
 
    gtk_builder_connect_signals_full(builder, builder_connect_func, hash);
    g_hash_table_destroy(hash);
}