Differential D14796 Diff 39628 kcms/keyboard/daemon/keyboard_hardware.cpp

Changeset View

Standalone View

kcms/keyboard/daemon/keyboard_hardware.cpp

This file was added.

		1		/*
		2		* Copyright (C) 2010 Andriy Rysin (rysin@kde.org)
		3		*
		4		* This program is free software; you can redistribute it and/or modify
		5		* it under the terms of the GNU General Public License as published by
		6		* the Free Software Foundation; either version 2 of the License, or
		7		* (at your option) any later version.
		8		*
		9		* This program is distributed in the hope that it will be useful,
		10		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		11		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		12		* GNU General Public License for more details.
		13		*
		14		* You should have received a copy of the GNU General Public License
		15		* along with this program; if not, write to the Free Software
		16		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
		17		*/
		18
		19		#include <KModifierKeyInfo>
		20		#include <KConfigGroup>
		21		#include <KSharedConfig>
		22
		23		#include <QDebug>
		24		#include <QX11Info>
		25
		26		#include <math.h>
		27
		28		#include "debug.h"
		29		#include "x11_helper.h"
		30
		31		#include <X11/XKBlib.h>
		32		#include <X11/Xlib.h>
		33		#include <X11/keysym.h>
		34
		35		// This code is taken from xset utility from XFree 4.3 (http://www.xfree86.org/)
		36
		37		static void set_repeatrate(int delay, double rate)
		38		{
		39		if (!X11Helper::xkbSupported(nullptr)) {
		40		qCCritical(KCM_KEYBOARD) << "Failed to set keyboard repeat rate: xkb is not supported";
		41		return;
		42		}
		43
		44		XkbDescPtr xkb = XkbAllocKeyboard();
		45		if (xkb) {
		46		Display* dpy = QX11Info::display();
		47
		48		XkbGetControls(dpy, XkbRepeatKeysMask, xkb);
		49		xkb->ctrls->repeat_delay = static_cast<unsigned short>(delay);
		50		xkb->ctrls->repeat_interval = static_cast<unsigned short>(floor(1000 / rate + 0.5));
		51
		52		XkbSetControls(dpy, XkbRepeatKeysMask, xkb);
		53		XkbFreeKeyboard(xkb, 0, true);
		54		return;
		55		}
		56		}
		57
		58		enum class TriState {
		59		STATE_ON = 0,
		60		STATE_OFF = 1,
		61		STATE_UNCHANGED = 2
		62		};
		63
		64		const int DEFAULT_REPEAT_DELAY = 600;
		65		const double DEFAULT_REPEAT_RATE = 25.0;
		66
		67		static int set_repeat_mode(TriState keyboardRepeatMode)
		68		{
		69		XKeyboardState kbd;
		70		XKeyboardControl kbdc;
		71
		72		XGetKeyboardControl(QX11Info::display(), &kbd);
		73
		74		unsigned long flags = 0;
		75		if (keyboardRepeatMode != TriState::STATE_UNCHANGED) {
		76		flags \|= KBAutoRepeatMode;
		77		kbdc.auto_repeat_mode = (keyboardRepeatMode == TriState::STATE_ON ? AutoRepeatModeOn : AutoRepeatModeOff);
		78		}
		79
		80		return XChangeKeyboardControl(QX11Info::display(), flags, &kbdc);
		81		}
		82
		83		void init_keyboard_hardware()
		84		{
		85		KConfigGroup config(KSharedConfig::openConfig(QStringLiteral("kcminputrc")), "Keyboard");
		86
		87		QString keyRepeatStr = config.readEntry("KeyboardRepeating", "0");
		88		TriState keyRepeat = TriState::STATE_UNCHANGED;
		89		if (keyRepeatStr == QLatin1String("true") \|\| keyRepeatStr == "0") {
		90		keyRepeat = TriState::STATE_ON;
		91		} else if (keyRepeatStr == QLatin1String("false") \|\| keyRepeatStr == "1") {
		92		keyRepeat = TriState::STATE_OFF;
		93		}
		94
		95		if (keyRepeat == TriState::STATE_ON) {
		96		int delay_ = config.readEntry<int>("RepeatDelay", DEFAULT_REPEAT_DELAY);
		97		double rate_ = config.readEntry<double>("RepeatRate", DEFAULT_REPEAT_RATE);
		98		set_repeatrate(delay_, rate_);
		99		}
		100
		101		set_repeat_mode(keyRepeat);
		102
		103		TriState numlockState = TriState(config.readEntry("NumLock", int(TriState::STATE_UNCHANGED)));
		104		if (numlockState != TriState::STATE_UNCHANGED) {
		105		KModifierKeyInfo keyInfo;
		106		keyInfo.setKeyLocked(Qt::Key_NumLock, numlockState == TriState::STATE_ON);
		107		}
		108		}