Differential D7444 Diff 19062 decorations/decorationrenderer.cpp

Changeset View

Standalone View

decorations/decorationrenderer.cpp

This file was copied to plugins/platforms/x11/standalone/x11_decoration_renderer.cpp.

Show All 13 Lines
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	15	GNU General Public License for more details.
16		16
17	You should have received a copy of the GNU General Public License	17	You should have received a copy of the GNU General Public License
18	along with this program. If not, see <http://www.gnu.org/licenses/>.	18	along with this program. If not, see <http://www.gnu.org/licenses/>.
19	*********************************************************************/	19	*********************************************************************/
20	#include "decorationrenderer.h"	20	#include "decorationrenderer.h"
21	#include "decoratedclient.h"	21	#include "decoratedclient.h"
22	#include "client.h"
23	#include "deleted.h"	22	#include "deleted.h"
24		23
25	#include <kwinglobals.h>
26
27	#include <KDecoration2/Decoration>	24	#include <KDecoration2/Decoration>
28	#include <KDecoration2/DecoratedClient>	25	#include <KDecoration2/DecoratedClient>
29		26
30	#include <QDebug>	27	#include <QDebug>
31	#include <QPainter>	28	#include <QPainter>
32	#include <QTimer>
33		29
34	namespace KWin	30	namespace KWin
35	{	31	{
36	namespace Decoration	32	namespace Decoration
37	{	33	{
38		34
39	Renderer::Renderer(DecoratedClientImpl *client)	35	Renderer::Renderer(DecoratedClientImpl *client)
40	: QObject(client)	36	: QObject(client)
Show All 35 Lines
76	}	72	}
77		73
78	void Renderer::reparent(Deleted *deleted)	74	void Renderer::reparent(Deleted *deleted)
79	{	75	{
80	setParent(deleted);	76	setParent(deleted);
81	m_client = nullptr;	77	m_client = nullptr;
82	}	78	}
83		79
84	X11Renderer::X11Renderer(DecoratedClientImpl *client)
85	: Renderer(client)
86	, m_scheduleTimer(new QTimer(this))
87	, m_gc(XCB_NONE)
88	{
89	// delay any rendering to end of event cycle to catch multiple updates per cycle
90	m_scheduleTimer->setSingleShot(true);
91	m_scheduleTimer->setInterval(0);
92	connect(m_scheduleTimer, &QTimer::timeout, this, &X11Renderer::render);
93	connect(this, &Renderer::renderScheduled, m_scheduleTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
94	}
95
96	X11Renderer::~X11Renderer()
97	{
98	if (m_gc != XCB_NONE) {
99	xcb_free_gc(connection(), m_gc);
100	}
101	}
102
103	void X11Renderer::reparent(Deleted *deleted)
104	{
105	if (m_scheduleTimer->isActive()) {
106	m_scheduleTimer->stop();
107	}
108	disconnect(m_scheduleTimer, &QTimer::timeout, this, &X11Renderer::render);
109	disconnect(this, &Renderer::renderScheduled, m_scheduleTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
110	Renderer::reparent(deleted);
111	}
112
113	void X11Renderer::render()
114	{
115	if (!client()) {
116	return;
117	}
118	const QRegion scheduled = getScheduled();
119	if (scheduled.isEmpty()) {
120	return;
121	}
122	xcb_connection_t *c = connection();
123	if (m_gc == XCB_NONE) {
124	m_gc = xcb_generate_id(c);
125	xcb_create_gc(c, m_gc, client()->client()->frameId(), 0, nullptr);
126	}
127
128	QRect left, top, right, bottom;
129	client()->client()->layoutDecorationRects(left, top, right, bottom);
130
131	const QRect geometry = scheduled.boundingRect();
132	left = left.intersected(geometry);
133	top = top.intersected(geometry);
134	right = right.intersected(geometry);
135	bottom = bottom.intersected(geometry);
136
137	auto renderPart = [this, c](const QRect &geo) {
138	if (geo.isNull()) {
139	return;
140	}
141	QImage image = renderToImage(geo);
142	xcb_put_image(c, XCB_IMAGE_FORMAT_Z_PIXMAP, client()->client()->frameId(), m_gc,
143	image.width(), image.height(), geo.x(), geo.y(), 0, client()->client()->depth(),
144	image.byteCount(), image.constBits());
145	};
146	renderPart(left);
147	renderPart(top);
148	renderPart(right);
149	renderPart(bottom);
150
151	xcb_flush(c);
152	resetImageSizesDirty();
153	}
154
155	}	80	}
156	}	81	}