ede/ede-bell-conf/ede-bell-conf.cpp

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/*
* $Id$
*
* ede-bell-conf, a tool to configure system bell
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2009 EDE Authors.
*
* This program is licensed under terms of the
* GNU General Public License version 2 or newer.
* See COPYING for details.
*/
#ifndef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <FL/x.H>
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Value_Slider.H>
#include <edelib/Window.h>
#include <edelib/Nls.h>
#include <edelib/XSettingsClient.h>
EDELIB_NS_USING(XSettingsClient)
EDELIB_NS_USING(XSettingsAction)
EDELIB_NS_USING(XSettingsSetting)
EDELIB_NS_USING(XSETTINGS_ACTION_NEW)
EDELIB_NS_USING(XSETTINGS_ACTION_CHANGED)
EDELIB_NS_USING(XSETTINGS_ACTION_DELETED)
EDELIB_NS_USING(XSETTINGS_TYPE_INT)
static Fl_Value_Slider* vol_slide = NULL;
static Fl_Value_Slider* pitch_slide = NULL;
static Fl_Value_Slider* dur_slide = NULL;
static edelib::Window* win;
static XSettingsClient* xsc;
static unsigned int vol_val;
static unsigned int pitch_val;
static unsigned int dur_val;
static bool block_xsettings_cb = false;
#define CHECK_SETTING(n, setting, action) (strcmp(setting->name, n) == 0) && \
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((action == XSETTINGS_ACTION_NEW) || (action == XSETTINGS_ACTION_CHANGED))
#define KEY_VOLUME "Bell/Volume"
#define KEY_PITCH "Bell/Pitch"
#define KEY_DURATION "Bell/Duration"
static int xevent_handler(int e) {
if(xsc)
xsc->process_xevent(fl_xevent);
/* make sure to return 0 so other events could be processed */
return 0;
}
static void xsettings_cb(const char* name, XSettingsAction a, XSettingsSetting* s, void* data) {
if(s->type != XSETTINGS_TYPE_INT)
return;
if(block_xsettings_cb)
return;
if(CHECK_SETTING(KEY_VOLUME, s, a)) {
vol_val = s->data.v_int;
if(vol_slide)
vol_slide->value(vol_val);
}
if(CHECK_SETTING(KEY_PITCH, s, a)) {
pitch_val = s->data.v_int;
if(pitch_slide)
pitch_slide->value(pitch_val);
}
if(CHECK_SETTING(KEY_DURATION, s, a)) {
dur_val = s->data.v_int;
if(dur_slide)
dur_slide->value(dur_val);
}
}
static void apply_values(void) {
unsigned long v = KBBellPercent | KBBellPitch | KBBellDuration;
XKeyboardControl kc;
kc.bell_percent = vol_val;
kc.bell_pitch = pitch_val;
kc.bell_duration = dur_val;
XChangeKeyboardControl(fl_display, v, &kc);
}
static void set_values(bool save) {
vol_val = (unsigned int)vol_slide->value();
pitch_val = (unsigned int)pitch_slide->value();
dur_val = (unsigned int)dur_slide->value();
apply_values();
if(save && xsc) {
/* disable callback, since modifying the value will trigger it */
block_xsettings_cb = true;
xsc->set(KEY_VOLUME, vol_val);
xsc->set(KEY_PITCH, pitch_val);
xsc->set(KEY_DURATION, dur_val);
xsc->manager_notify();
block_xsettings_cb = false;
}
}
static void cancel_cb(Fl_Widget*, void*) {
win->hide();
}
static void ok_cb(Fl_Widget*, void*) {
set_values(true);
win->hide();
}
static void test_cb(Fl_Widget*, void*) {
set_values(false);
XBell(fl_display, 0);
}
static void window_create(int argc, char** argv) {
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win = new edelib::Window(330, 210, _("System bell configuration"), edelib::WIN_INIT_NONE);
win->begin();
vol_slide = new Fl_Value_Slider(10, 30, 310, 25, _("Volume"));
vol_slide->type(5);
vol_slide->step(1);
vol_slide->maximum(100);
vol_slide->align(FL_ALIGN_TOP);
pitch_slide = new Fl_Value_Slider(10, 80, 310, 25, _("Pitch"));
pitch_slide->type(5);
pitch_slide->step(1);
pitch_slide->minimum(100);
pitch_slide->maximum(1000);
pitch_slide->align(FL_ALIGN_TOP);
dur_slide = new Fl_Value_Slider(10, 130, 310, 25, _("Duration"));
dur_slide->type(5);
dur_slide->step(1);
dur_slide->minimum(0);
dur_slide->maximum(1000);
dur_slide->align(FL_ALIGN_TOP);
Fl_Button* ok = new Fl_Button(135, 175, 90, 25, _("&OK"));
ok->callback(ok_cb);
Fl_Button* cancel = new Fl_Button(230, 175, 90, 25, _("&Cancel"));
cancel->callback(cancel_cb);
Fl_Button* test = new Fl_Button(10, 175, 90, 25, _("&Test"));
test->callback(test_cb);
win->end();
win->show(argc, argv);
}
int main(int argc, char **argv) {
bool win_show = true;
if(argc > 1 && strcmp(argv[1], "--apply") == 0)
win_show = false;
if(win_show) {
window_create(argc, argv);
Fl::add_handler(xevent_handler);
} else {
/* if window is not going to be shown, we still have to open display */
fl_open_display();
}
/* if window is not shown, xsettings_cb will be triggered anyway */
XSettingsClient x;
if(!x.init(fl_display, fl_screen, xsettings_cb, NULL))
xsc = NULL;
else
xsc = &x;
if(!win_show) {
if(xsc) {
apply_values();
XSync(fl_display, False);
}
return 0;
}
return Fl::run();
}