mirror of https://github.com/edeproject/ede.git
324 lines
8.3 KiB
C++
324 lines
8.3 KiB
C++
/*
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* $Id$
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*
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* ede-keyboard-conf, a tool to configure keyboard
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* Part of Equinox Desktop Environment (EDE).
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* Copyright (c) 2009 EDE Authors.
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*
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* This program is licensed under terms of the
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* GNU General Public License version 2 or newer.
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* See COPYING for details.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <edelib/MessageBox.h>
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#include <edelib/Ede.h>
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EDELIB_NS_USING(alert)
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#ifdef HAVE_XKBRULES
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#include <stdio.h>
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#include <string.h>
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#include <FL/Fl.H>
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#include <FL/x.H>
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#include <FL/Fl_Button.H>
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#include <FL/Fl_Tabs.H>
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#include <FL/Fl_Group.H>
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#include <FL/Fl_Hold_Browser.H>
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#include <FL/Fl_Check_Button.H>
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#include <FL/Fl_Box.H>
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#include <X11/XKBlib.h>
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#include <X11/extensions/XKBrules.h>
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#include <edelib/Window.h>
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#include <edelib/Debug.h>
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#include <edelib/String.h>
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#include <edelib/Resource.h>
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#include <edelib/File.h>
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#include <edelib/Run.h>
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#include <edelib/MessageBox.h>
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#include <edelib/ForeignCallback.h>
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#define CONFIG_NAME "ede-keyboard"
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#define PANEL_APPLET_ID "ede-keyboard"
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#define DEFAULT_X_LAYOUT "us"
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EDELIB_NS_USING_AS(Window, AppWindow)
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EDELIB_NS_USING(String)
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EDELIB_NS_USING(Resource)
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EDELIB_NS_USING(file_path)
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EDELIB_NS_USING(run_sync)
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EDELIB_NS_USING(foreign_callback_call)
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static AppWindow *win;
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static Fl_Hold_Browser *layout_browser;
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static Fl_Check_Button *repeat_press;
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static Fl_Check_Button *show_flag;
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static bool dialog_canceled;
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static bool show_flag_value;
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static bool repeat_press_value;
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static const char *x11_dirs[] = {
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"/etc/X11/",
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"/usr/share/X11/",
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"/usr/local/share/X11/",
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"/usr/X11R6/lib/X11/",
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"/usr/X11R6/lib64/X11/",
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"/usr/local/X11R6/lib/X11/",
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"/usr/local/X11R6/lib64/X11/",
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"/usr/lib/X11/",
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"/usr/lib64/X11/",
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"/usr/local/lib/X11/",
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"/usr/local/lib64/X11/",
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"/usr/pkg/share/X11/",
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"/usr/pkg/xorg/lib/X11/",
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0
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};
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static const char *x11_rules[] = {
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"xkb/rules/xorg",
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"xkb/rules/xfree86",
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0
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};
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static void cancel_cb(Fl_Widget*, void*) {
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win->hide();
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dialog_canceled = true;
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}
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static void ok_cb(Fl_Widget*, void*) {
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win->hide();
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dialog_canceled = false;
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}
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static void show_flag_cb(Fl_Widget*, void*) {
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show_flag_value = (bool)show_flag->value();
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}
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static void repeat_press_cb(Fl_Widget*, void*) {
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repeat_press_value = (bool)repeat_press->value();
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}
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static void fetch_current_layout(String ¤t) {
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char *rules_file;
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XkbRF_VarDefsRec vd;
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/* get the layout straight from X since the layout can be changed during X session */
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if(!XkbRF_GetNamesProp(fl_display, &rules_file, &vd)) {
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/* use some values */
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current = DEFAULT_X_LAYOUT;
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} else {
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current = vd.layout;
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}
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/* free everything */
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XFree(rules_file);
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XFree(vd.layout);
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XFree(vd.model);
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XFree(vd.options);
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XFree(vd.variant);
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}
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static XkbRF_RulesPtr fetch_all_layouts(const String ¤t) {
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char buf[256];
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XkbRF_RulesPtr xkb_rules = NULL;
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/* try to locate rules file */
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for(int i = 0; x11_dirs[i]; i++) {
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for(int j = 0; x11_rules[j]; j++) {
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snprintf(buf, sizeof(buf), "%s%s", x11_dirs[i], x11_rules[j]);
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xkb_rules = XkbRF_Load(buf, (char*)"", True, True);
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if(xkb_rules)
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goto done;
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}
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}
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if(!xkb_rules) {
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E_WARNING(E_STRLOC ": Unable to load keyboard rules file\n");
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return NULL;
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}
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done:
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for(int i = 0; i < xkb_rules->layouts.num_desc; i++) {
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snprintf(buf, sizeof(buf), "%s\t%s", xkb_rules->layouts.desc[i].name, xkb_rules->layouts.desc[i].desc);
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layout_browser->add(buf);
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if(current == xkb_rules->layouts.desc[i].name) {
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/* Fl_Browser counts items from 1 */
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layout_browser->select(i + 1);
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}
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}
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return xkb_rules;
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}
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static void read_config(String *ret_layout) {
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Resource r;
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if(!r.load(CONFIG_NAME)) {
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/* setup some default values */
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show_flag_value = repeat_press_value = true;
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if(ret_layout)
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*ret_layout = DEFAULT_X_LAYOUT;
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return;
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}
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/*
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* NOTE: keyboard layout is not read from config file to set applet flag/name;
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* this is done using X call. Keyboard layout is only read when '--apply' was given
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* to this program, so it can be set when EDE is started
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*/
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r.get("Keyboard", "show_country_flag", show_flag_value, true);
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r.get("Keyboard", "repeat_key_press", repeat_press_value, true);
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if(ret_layout) {
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char buf[32];
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if(r.get("Keyboard", "layout", buf, sizeof(buf)))
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*ret_layout = buf;
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else
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*ret_layout = DEFAULT_X_LAYOUT;
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}
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}
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static void save_config(const String &layout) {
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Resource r;
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r.set("Keyboard", "show_country_flag", show_flag_value);
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r.set("Keyboard", "repeat_key_press", repeat_press_value);
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r.set("Keyboard", "layout", layout.c_str());
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r.save(CONFIG_NAME);
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}
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static void apply_changes_on_x(const char *current, const String *previous) {
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if(repeat_press_value)
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XAutoRepeatOn(fl_display);
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else
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XAutoRepeatOff(fl_display);
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/* do not do anything if selected layout is the same as previous */
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if(!previous || *previous != current) {
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/*
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* believe me, it is easier to call this command than to reimplmement a mess for
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* uploading keyboard layout on X server!
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*/
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String setxkbmap = file_path("setxkbmap");
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if(setxkbmap.empty()) {
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alert(_("Unable to find 'setxkbmap' tool.\n\nThis tool is used as helper tool for "
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"easier keyboard setup and is standard tool shipped with every X package. "
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"Please install it first and run this program again."));
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} else {
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int ret = run_sync("%s %s", setxkbmap.c_str(), current);
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/* do not show dialog since we can fail if config has bad entry when called from apply_chages_from_config() */
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if(ret != 0)
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E_WARNING(E_STRLOC ": 'setxkbmap %s' failed with %i\n", current, ret);
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}
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}
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/* force panel applet to re-read config file to see if flag should be displayed or not */
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foreign_callback_call(PANEL_APPLET_ID);
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}
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#endif /* HAVE_XKBRULES */
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int main(int argc, char **argv) {
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#ifdef HAVE_XKBRULES
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/* must be opened first */
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fl_open_display();
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/* only apply what was written in config */
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if(argc > 1 && strcmp(argv[1], "--apply") == 0) {
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String layout;
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read_config(&layout);
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apply_changes_on_x(layout.c_str(), NULL);
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return 0;
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} else {
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read_config(NULL);
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}
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EDE_APPLICATION("ede-keyboard-conf");
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String cl;
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dialog_canceled = false;
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/* get layout X holds */
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fetch_current_layout(cl);
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/* construct GUI */
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win = new AppWindow(340, 320, _("Keyboard configuration tool"));
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win->begin();
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Fl_Tabs *tabs = new Fl_Tabs(10, 10, 320, 265);
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tabs->begin();
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Fl_Group *layout_group = new Fl_Group(15, 30, 310, 240, _("Layout"));
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layout_group->begin();
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layout_browser = new Fl_Hold_Browser(20, 40, 300, 190);
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/* so things can be nicely aligned per column */
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int cwidths [] = {100, 0};
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layout_browser->column_widths(cwidths);
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layout_browser->column_char('\t');
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layout_group->resizable(layout_browser);
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show_flag = new Fl_Check_Button(20, 240, 300, 25, _("Show country flag"));
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show_flag->tooltip(_("Display country flag in panel keyboard applet"));
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show_flag->down_box(FL_DOWN_BOX);
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show_flag->value(show_flag_value);
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show_flag->callback(show_flag_cb);
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layout_group->end();
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Fl_Group::current()->resizable(layout_group);
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Fl_Group *details_group = new Fl_Group(15, 30, 310, 240, _("Details"));
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details_group->hide();
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details_group->begin();
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repeat_press = new Fl_Check_Button(20, 45, 300, 25, _("Repeat pressed key"));
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repeat_press->tooltip(_("Allow pressed key to be repeated"));
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repeat_press->down_box(FL_DOWN_BOX);
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repeat_press->value(repeat_press_value);
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repeat_press->callback(repeat_press_cb);
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details_group->end();
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tabs->end();
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/* resizable box */
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Fl_Box *rbox = new Fl_Box(30, 163, 65, 52);
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Fl_Group::current()->resizable(rbox);
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Fl_Button *ok_button = new Fl_Button(145, 285, 90, 25, _("&OK"));
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ok_button->callback(ok_cb);
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Fl_Button *cancel_button = new Fl_Button(240, 285, 90, 25, _("&Cancel"));
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cancel_button->callback(cancel_cb);
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win->end();
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/* read all XKB layouts */
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XkbRF_RulesPtr xkb_rules = fetch_all_layouts(cl);
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win->show(argc, argv);
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Fl::run();
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/* do not save configuration if was canceled */
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if(!dialog_canceled && xkb_rules && layout_browser->value()) {
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int i = layout_browser->value();
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/* get the layout that matches browser row */
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char *n = xkb_rules->layouts.desc[i - 1].name;
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save_config(n);
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apply_changes_on_x(n, &cl);
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}
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if(xkb_rules)
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XkbRF_Free(xkb_rules, True);
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#else
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alert(_("ede-keyboard-conf was compiled without XKB extension. Please recompile it again"));
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#endif /* HAVE_XKBRULES */
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return 0;
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}
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