Differential D27892 Diff 77094 kdecoration/breezedecoration.cpp

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kdecoration/breezedecoration.cpp

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23	#include "breezedecoration.h"	23		#include "breezedecoration.h"
24		24
25	#include "breeze.h"	25		#include "breeze.h"
26	#include "breezesettingsprovider.h"	26		#include "breezesettingsprovider.h"
27	#include "config-breeze.h"	27		#include "config-breeze.h"
28	#include "config/breezeconfigwidget.h"	28		#include "config/breezeconfigwidget.h"
29		29
30	#include "breezebutton.h"	30		#include "breezebutton.h"
		31		#include "breezedecorationshadow.h"
31	#include "breezesizegrip.h"	32		#include "breezesizegrip.h"
32		33
33	#include "breezeboxshadowrenderer.h"	34		#include "breezeboxshadowrenderer.h"
34		35
35	#include <KDecoration2/DecoratedClient>	36		#include <KDecoration2/DecoratedClient>
36	#include <KDecoration2/DecorationButtonGroup>	37		#include <KDecoration2/DecorationButtonGroup>
37	#include <KDecoration2/DecorationSettings>	38		#include <KDecoration2/DecorationSettings>
38	#include <KDecoration2/DecorationShadow>	39		#include <KDecoration2/DecorationShadow>
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56	K_PLUGIN_FACTORY_WITH_JSON(	57		K_PLUGIN_FACTORY_WITH_JSON(
57	BreezeDecoFactory,	58		BreezeDecoFactory,
58	"breeze.json",	59		"breeze.json",
59	registerPlugin<Breeze::Decoration>();	60		registerPlugin<Breeze::Decoration>();
60	registerPlugin<Breeze::Button>(QStringLiteral("button"));	61		registerPlugin<Breeze::Button>(QStringLiteral("button"));
61	registerPlugin<Breeze::ConfigWidget>(QStringLiteral("kcmodule"));	62		registerPlugin<Breeze::ConfigWidget>(QStringLiteral("kcmodule"));
62	)	63		)
63		64
64	namespace
65	{
66	struct ShadowParams {
67	ShadowParams()
68	: offset(QPoint(0, 0))
69	, radius(0)
70	, opacity(0) {}
71
72	ShadowParams(const QPoint &offset, int radius, qreal opacity)
73	: offset(offset)
74	, radius(radius)
75	, opacity(opacity) {}
76
77	QPoint offset;
78	int radius;
79	qreal opacity;
80	};
81
82	struct CompositeShadowParams {
83	CompositeShadowParams() = default;
84
85	CompositeShadowParams(
86	const QPoint &offset,
87	const ShadowParams &shadow1,
88	const ShadowParams &shadow2)
89	: offset(offset)
90	, shadow1(shadow1)
91	, shadow2(shadow2) {}
92
93	bool isNone() const {
94	return qMax(shadow1.radius, shadow2.radius) == 0;
95	}
96
97	QPoint offset;
98	ShadowParams shadow1;
99	ShadowParams shadow2;
100	};
101
102	const CompositeShadowParams s_shadowParams[] = {
103	// None
104	CompositeShadowParams(),
105	// Small
106	CompositeShadowParams(
107	QPoint(0, 4),
108	ShadowParams(QPoint(0, 0), 16, 1),
109	ShadowParams(QPoint(0, -2), 8, 0.4)),
110	// Medium
111	CompositeShadowParams(
112	QPoint(0, 8),
113	ShadowParams(QPoint(0, 0), 32, 0.9),
114	ShadowParams(QPoint(0, -4), 16, 0.3)),
115	// Large
116	CompositeShadowParams(
117	QPoint(0, 12),
118	ShadowParams(QPoint(0, 0), 48, 0.8),
119	ShadowParams(QPoint(0, -6), 24, 0.2)),
120	// Very large
121	CompositeShadowParams(
122	QPoint(0, 16),
123	ShadowParams(QPoint(0, 0), 64, 0.7),
124	ShadowParams(QPoint(0, -8), 32, 0.1)),
125	};
126
127	inline CompositeShadowParams lookupShadowParams(int size)
128	{
129	switch (size) {
130	case Breeze::InternalSettings::ShadowNone:
131	return s_shadowParams[0];
132	case Breeze::InternalSettings::ShadowSmall:
133	return s_shadowParams[1];
134	case Breeze::InternalSettings::ShadowMedium:
135	return s_shadowParams[2];
136	case Breeze::InternalSettings::ShadowLarge:
137	return s_shadowParams[3];
138	case Breeze::InternalSettings::ShadowVeryLarge:
139	return s_shadowParams[4];
140	default:
141	// Fallback to the Large size.
142	return s_shadowParams[3];
143	}
144	}
145	}
146
147	namespace Breeze	65		namespace Breeze
148	{	66		{
149		67
150	using KDecoration2::ColorRole;	68		using KDecoration2::ColorRole;
151	using KDecoration2::ColorGroup;	69		using KDecoration2::ColorGroup;
152		70
153	//________________________________________________________________	71		//________________________________________________________________
154	static int g_sDecoCount = 0;
155	static int g_shadowSizeEnum = InternalSettings::ShadowLarge;
156	static int g_shadowStrength = 255;
157	static QColor g_shadowColor = Qt::black;
158	static QSharedPointer<KDecoration2::DecorationShadow> g_sShadow;
159
160	//________________________________________________________________
161	Decoration::Decoration(QObject *parent, const QVariantList &args)	72		Decoration::Decoration(QObject *parent, const QVariantList &args)
162	: KDecoration2::Decoration(parent, args)	73		: KDecoration2::Decoration(parent, args)
163	, m_animation( new QVariantAnimation( this ) )	74		, m_animation( new QVariantAnimation( this ) )
164	{	75		{
165	g_sDecoCount++;
166	}	76		}
167		77
168	//________________________________________________________________	78		//________________________________________________________________
169	Decoration::~Decoration()	79		Decoration::~Decoration()
170	{	80		{
171	g_sDecoCount--;
172	if (g_sDecoCount == 0) {
173	// last deco destroyed, clean up shadow
174	g_sShadow.clear();
175	}
176
177	deleteSizeGrip();	81		deleteSizeGrip();
178
179	}	82		}
180		83
181	//________________________________________________________________	84		//________________________________________________________________
182	void Decoration::setOpacity( qreal value )	85		void Decoration::setOpacity( qreal value )
183	{	86		{
184	if( m_opacity == value ) return;	87		if( m_opacity == value ) return;
185	m_opacity = value;	88		m_opacity = value;
186	update();	89		update();
▲ Show 20 Lines • Show All 242 Lines • ▼ Show 20 Line(s)		331	{
429	if( !isMaximizedHorizontally() ) extSides = extSize;	332		if( !isMaximizedHorizontally() ) extSides = extSize;
430	if( !isMaximizedVertically() ) extBottom = extSize;	333		if( !isMaximizedVertically() ) extBottom = extSize;
431		334
432	} else if( hasNoSideBorders() && !isMaximizedHorizontally() ) {	335		} else if( hasNoSideBorders() && !isMaximizedHorizontally() ) {
433		336
434	extSides = extSize;	337		extSides = extSize;
435		338
436	}	339		}
437		340		if(auto breezeShadow = qobject_cast<Shadow*>(shadow())){
		341		breezeShadow->setEdges(isRightEdge(), isLeftEdge(), isBottomEdge(), isTopEdge());
		342		}
438	setResizeOnlyBorders(QMargins(extSides, 0, extSides, extBottom));	343		setResizeOnlyBorders(QMargins(extSides, 0, extSides, extBottom));
439	}	344		}
440		345
441	//________________________________________________________________	346		//________________________________________________________________
442	void Decoration::createButtons()	347		void Decoration::createButtons()
443	{	348		{
444	m_leftButtons = new KDecoration2::DecorationButtonGroup(KDecoration2::DecorationButtonGroup::Position::Left, this, &Button::create);	349		m_leftButtons = new KDecoration2::DecorationButtonGroup(KDecoration2::DecorationButtonGroup::Position::Left, this, &Button::create);
445	m_rightButtons = new KDecoration2::DecorationButtonGroup(KDecoration2::DecorationButtonGroup::Position::Right, this, &Button::create);	350		m_rightButtons = new KDecoration2::DecorationButtonGroup(KDecoration2::DecorationButtonGroup::Position::Right, this, &Button::create);
▲ Show 20 Lines • Show All 260 Lines • ▼ Show 20 Line(s)		564	{
706		611
707	}	612		}
708		613
709	}	614		}
710		615
711	//________________________________________________________________	616		//________________________________________________________________
712	void Decoration::createShadow()	617		void Decoration::createShadow()
713	{	618		{
714	if (!g_sShadow	619		setShadow(QSharedPointer<Shadow>(new Shadow(static_cast<InternalSettings::EnumShadowSize>(internalSettings()->shadowSize()),
715	\|\|g_shadowSizeEnum != m_internalSettings->shadowSize()	620		internalSettings()->shadowStrength(), internalSettings()->shadowColor())));
716	\|\| g_shadowStrength != m_internalSettings->shadowStrength()	621		qobject_cast<Shadow*>(shadow())->setEdges(isRightEdge(), isLeftEdge(), isBottomEdge(), isTopEdge());
717	\|\| g_shadowColor != m_internalSettings->shadowColor())
718	{
719	g_shadowSizeEnum = m_internalSettings->shadowSize();
720	g_shadowStrength = m_internalSettings->shadowStrength();
721	g_shadowColor = m_internalSettings->shadowColor();
722
723	const CompositeShadowParams params = lookupShadowParams(g_shadowSizeEnum);
724	if (params.isNone()) {
725	g_sShadow.clear();
726	setShadow(g_sShadow);
727	return;
728	}
729
730	auto withOpacity = [](const QColor &color, qreal opacity) -> QColor {
731	QColor c(color);
732	c.setAlphaF(opacity);
733	return c;
734	};
735
736	const QSize boxSize = BoxShadowRenderer::calculateMinimumBoxSize(params.shadow1.radius)
737	.expandedTo(BoxShadowRenderer::calculateMinimumBoxSize(params.shadow2.radius));
738
739	BoxShadowRenderer shadowRenderer;
740	shadowRenderer.setBorderRadius(Metrics::Frame_FrameRadius + 0.5);
741	shadowRenderer.setBoxSize(boxSize);
742	shadowRenderer.setDevicePixelRatio(1.0); // TODO: Create HiDPI shadows?
743
744	const qreal strength = static_cast<qreal>(g_shadowStrength) / 255.0;
745	shadowRenderer.addShadow(params.shadow1.offset, params.shadow1.radius,
746	withOpacity(g_shadowColor, params.shadow1.opacity * strength));
747	shadowRenderer.addShadow(params.shadow2.offset, params.shadow2.radius,
748	withOpacity(g_shadowColor, params.shadow2.opacity * strength));
749
750	QImage shadowTexture = shadowRenderer.render();
751
752	QPainter painter(&shadowTexture);
753	painter.setRenderHint(QPainter::Antialiasing);
754
755	const QRect outerRect = shadowTexture.rect();
756
757	QRect boxRect(QPoint(0, 0), boxSize);
758	boxRect.moveCenter(outerRect.center());
759
760	// Mask out inner rect.
761	const QMargins padding = QMargins(
762	boxRect.left() - outerRect.left() - Metrics::Shadow_Overlap - params.offset.x(),
763	boxRect.top() - outerRect.top() - Metrics::Shadow_Overlap - params.offset.y(),
764	outerRect.right() - boxRect.right() - Metrics::Shadow_Overlap + params.offset.x(),
765	outerRect.bottom() - boxRect.bottom() - Metrics::Shadow_Overlap + params.offset.y());
766	const QRect innerRect = outerRect - padding;
767
768	painter.setPen(Qt::NoPen);
769	painter.setBrush(Qt::black);
770	painter.setCompositionMode(QPainter::CompositionMode_DestinationOut);
771	painter.drawRoundedRect(
772	innerRect,
773	Metrics::Frame_FrameRadius + 0.5,
774	Metrics::Frame_FrameRadius + 0.5);
775
776	// Draw outline.
777	painter.setPen(withOpacity(g_shadowColor, 0.2 * strength));
778	painter.setBrush(Qt::NoBrush);
779	painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
780	painter.drawRoundedRect(
781	innerRect,
782	Metrics::Frame_FrameRadius - 0.5,
783	Metrics::Frame_FrameRadius - 0.5);
784
785	painter.end();
786
787	g_sShadow = QSharedPointer<KDecoration2::DecorationShadow>::create();
788	g_sShadow->setPadding(padding);
789	g_sShadow->setInnerShadowRect(QRect(outerRect.center(), QSize(1, 1)));
790	g_sShadow->setShadow(shadowTexture);
791	}
792
793	setShadow(g_sShadow);
794	}	622		}
795		623
796	//_________________________________________________________________	624		//_________________________________________________________________
797	void Decoration::createSizeGrip()	625		void Decoration::createSizeGrip()
798	{	626		{
799		627
800	// do nothing if size grip already exist	628		// do nothing if size grip already exist
801	if( m_sizeGrip ) return;	629		if( m_sizeGrip ) return;
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