Differential D17134 Diff 47368 libs/ui/widgets/KisLayerStyleAngleSelector.cpp

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libs/ui/widgets/KisLayerStyleAngleSelector.cpp

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		1		/*
		2		* Copyright (c) 2018 Anna Medonosova <anna.medonosova@gmail.com>
		3		*
		4		* This library is free software; you can redistribute it and/or modify
		5		* it under the terms of the GNU Lesser General Public License as published by
		6		* the Free Software Foundation; version 2.1 of the License.
		7		*
		8		* This library is distributed in the hope that it will be useful,
		9		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		10		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		11		* GNU Lesser General Public License for more details.
		12		*
		13		* You should have received a copy of the GNU Lesser General Public License
		14		* along with this program; if not, write to the Free Software
		15		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
		16		*/
		17
		18		#include "KisLayerStyleAngleSelector.h"
		19
		20		#include <QWidget>
		21		#include <QDial>
		22
		23		#include <kis_signals_blocker.h>
		24
		25		KisLayerStyleAngleSelector::KisLayerStyleAngleSelector(QWidget *parent)
		26		: QWidget(parent)
		27		, m_enableGlobalLight(false)
		28		{
		29		ui = new Ui_WdgKisLayerStyleAngleSelector();
		30		ui->setupUi(this);
		31
		32		ui->chkUseGlobalLight->hide();
		33
		34		connect(ui->dialAngle, SIGNAL(valueChanged(int)), SLOT(slotDialAngleChanged(int)));
		35		connect(ui->intAngle, SIGNAL(valueChanged(int)), SLOT(slotIntAngleChanged(int)));
		36		}
		37
		38		int KisLayerStyleAngleSelector::value()
		39		{
		40		return ui->intAngle->value();
		41		}
		42
		43		void KisLayerStyleAngleSelector::setValue(int value)
		44		{
		45		KisSignalsBlocker intB(ui->intAngle);
		46		KisSignalsBlocker dialB(ui->dialAngle);
		47
		48		ui->intAngle->setValue(value);
		49		ui->dialAngle->setValue(value + m_dialValueShift);
		50		}
		51
		52		void KisLayerStyleAngleSelector::enableGlobalLight(bool enable)
		53		{
		54		m_enableGlobalLight = enable;
		55
		56		if (enable) {
		57		ui->chkUseGlobalLight->show();
		58		connect(ui->chkUseGlobalLight, SIGNAL(toggled(bool)), SLOT(slotGlobalLightToggled()));
		59		} else {
		60		ui->chkUseGlobalLight->hide();
		61		disconnect(ui->chkUseGlobalLight, SIGNAL(toggled(bool)), this, SLOT(slotGlobalLightToggled()));
		62		}
		63		}
		64
		65		bool KisLayerStyleAngleSelector::useGlobalLight()
		66		{
		67		return m_enableGlobalLight && ui->chkUseGlobalLight->isChecked();
		68		}
		69
		70		void KisLayerStyleAngleSelector::setUseGlobalLight(bool state)
		71		{
		72		ui->chkUseGlobalLight->setChecked(state);
		73		}
		74
		75		void KisLayerStyleAngleSelector::slotDialAngleChanged(int value)
		76		{
		77		KisSignalsBlocker b(ui->intAngle);
		78
		79		int normalizedValue = 0;
		80		if (value >= 270 && value <= 360) {
		81		// Due to the mismatch between the domain of the dial (0°,360°)
		82		// and the spinbox (-179°,180°), the shift in the third quadrant
		83		// of the dial is different
		84		normalizedValue = value - 360 - m_dialValueShift;
		85		} else {
		86		normalizedValue = value - m_dialValueShift;
		87		}
		88
		89		ui->intAngle->setValue(normalizedValue);
		90		emit valueChanged(normalizedValue);
		91		emitChangeSignals();
		92		}
		93
		94		void KisLayerStyleAngleSelector::slotIntAngleChanged(int value)
		95		{
		96		KisSignalsBlocker b(ui->dialAngle);
		97
		98		int angleDialValue = value + m_dialValueShift;
		99		ui->dialAngle->setValue(angleDialValue);
		100
		101		emit valueChanged(value);
		102		emitChangeSignals();
		103		}
		104
		105		void KisLayerStyleAngleSelector::slotGlobalLightToggled()
		106		{
		107		emitChangeSignals();
		108		}
		109
		110		void KisLayerStyleAngleSelector::emitChangeSignals()
		111		{
		112		if (useGlobalLight()) {
		113		emit globalAngleChanged(value());
		114		}
		115
		116		emit configChanged();
		117		}