Summary: Not needed except for X11/non-composited usage, so should be in the plugin instead of core. Platform API is extended to create a decoration renderer. Reviewers: #kwin, #plasma Subscribers: plasma-devel, kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D7444remotes/origin/scene-opengl-plugin
Martin Flöser
9 years ago
parent
535b107969
commit
23ef40e638
10 changed files with 199 additions and 102 deletions
@ -0,0 +1,109 @@ |
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/********************************************************************
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2014 Martin Gräßlin <mgraesslin@kde.org> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/ |
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#include "x11_decoration_renderer.h" |
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#include "decorations/decoratedclient.h" |
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#include "client.h" |
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#include "deleted.h" |
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#include <kwinglobals.h> |
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#include <KDecoration2/Decoration> |
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#include <KDecoration2/DecoratedClient> |
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#include <QTimer> |
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namespace KWin |
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{ |
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namespace Decoration |
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{ |
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X11Renderer::X11Renderer(DecoratedClientImpl *client) |
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: Renderer(client) |
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, m_scheduleTimer(new QTimer(this)) |
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, m_gc(XCB_NONE) |
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{ |
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// delay any rendering to end of event cycle to catch multiple updates per cycle
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m_scheduleTimer->setSingleShot(true); |
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m_scheduleTimer->setInterval(0); |
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connect(m_scheduleTimer, &QTimer::timeout, this, &X11Renderer::render); |
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connect(this, &Renderer::renderScheduled, m_scheduleTimer, static_cast<void (QTimer::*)()>(&QTimer::start)); |
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} |
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X11Renderer::~X11Renderer() |
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{ |
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if (m_gc != XCB_NONE) { |
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xcb_free_gc(connection(), m_gc); |
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} |
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} |
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void X11Renderer::reparent(Deleted *deleted) |
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{ |
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if (m_scheduleTimer->isActive()) { |
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m_scheduleTimer->stop(); |
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} |
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disconnect(m_scheduleTimer, &QTimer::timeout, this, &X11Renderer::render); |
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disconnect(this, &Renderer::renderScheduled, m_scheduleTimer, static_cast<void (QTimer::*)()>(&QTimer::start)); |
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Renderer::reparent(deleted); |
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} |
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void X11Renderer::render() |
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{ |
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if (!client()) { |
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return; |
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} |
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const QRegion scheduled = getScheduled(); |
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if (scheduled.isEmpty()) { |
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return; |
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} |
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xcb_connection_t *c = connection(); |
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if (m_gc == XCB_NONE) { |
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m_gc = xcb_generate_id(c); |
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xcb_create_gc(c, m_gc, client()->client()->frameId(), 0, nullptr); |
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} |
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QRect left, top, right, bottom; |
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client()->client()->layoutDecorationRects(left, top, right, bottom); |
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const QRect geometry = scheduled.boundingRect(); |
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left = left.intersected(geometry); |
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top = top.intersected(geometry); |
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right = right.intersected(geometry); |
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bottom = bottom.intersected(geometry); |
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auto renderPart = [this, c](const QRect &geo) { |
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if (geo.isNull()) { |
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return; |
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} |
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QImage image = renderToImage(geo); |
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xcb_put_image(c, XCB_IMAGE_FORMAT_Z_PIXMAP, client()->client()->frameId(), m_gc, |
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image.width(), image.height(), geo.x(), geo.y(), 0, client()->client()->depth(), |
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image.byteCount(), image.constBits()); |
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}; |
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renderPart(left); |
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renderPart(top); |
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renderPart(right); |
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renderPart(bottom); |
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xcb_flush(c); |
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resetImageSizesDirty(); |
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} |
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} |
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} |
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@ -0,0 +1,55 @@ |
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/********************************************************************
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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|
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Copyright (C) 2014 Martin Gräßlin <mgraesslin@kde.org> |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/ |
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#ifndef KWIN_DECORATION_X11_RENDERER_H |
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#define KWIN_DECORATION_X11_RENDERER_H |
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#include "decorations/decorationrenderer.h" |
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#include <xcb/xcb.h> |
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class QTimer; |
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namespace KWin |
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{ |
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namespace Decoration |
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{ |
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class X11Renderer : public Renderer |
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{ |
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Q_OBJECT |
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public: |
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explicit X11Renderer(DecoratedClientImpl *client); |
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virtual ~X11Renderer(); |
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void reparent(Deleted *deleted) override; |
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protected: |
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void render() override; |
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private: |
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QTimer *m_scheduleTimer; |
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xcb_gcontext_t m_gc; |
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}; |
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} |
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} |
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#endif |
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