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108 lines
3.7 KiB
108 lines
3.7 KiB
/*****************************************************************************
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* Copyright (C) 2021 VLC authors and VideoLAN
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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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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#include <vlc_cxx_helpers.hpp>
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#include "compositor_x11_utils.hpp"
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namespace vlc {
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DummyNativeWidget::DummyNativeWidget(QWidget* parent, Qt::WindowFlags f)
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: QWidget(parent, f)
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{
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setAttribute(Qt::WA_NativeWindow, true);
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setAttribute(Qt::WA_OpaquePaintEvent, true);
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setAttribute(Qt::WA_PaintOnScreen, true);
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setAttribute(Qt::WA_MouseTracking, true);
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}
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DummyNativeWidget::~DummyNativeWidget()
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{
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}
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QPaintEngine* DummyNativeWidget::paintEngine() const
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{
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return nullptr;
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}
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bool queryExtension(xcb_connection_t* conn, const char* name, uint8_t* first_event_out, uint8_t* first_error_out)
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{
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xcb_query_extension_cookie_t cookie = xcb_query_extension(conn, (uint16_t)strlen(name), name);
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xcb_generic_error_t* error = NULL;
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auto reply = wrap_cptr(xcb_query_extension_reply(conn, cookie, &error));
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auto errorPtr = wrap_cptr(error);
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if (errorPtr || !reply)
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return false;
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if (!reply->present)
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return false;
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if (first_event_out)
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*first_event_out = reply->first_event;
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if (first_error_out)
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*first_error_out = reply->first_error;
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return true;
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}
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bool findVisualFormat(xcb_connection_t* conn, xcb_visualid_t visual,
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xcb_render_pictformat_t* formatOut = nullptr,
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uint8_t* depthOut = nullptr
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)
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{
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xcb_render_query_pict_formats_cookie_t pictFormatC = xcb_render_query_pict_formats(conn);
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auto pictFormatR = wrap_cptr(xcb_render_query_pict_formats_reply(conn, pictFormatC, nullptr));
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if (!pictFormatR)
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return false;
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auto screenIt = xcb_render_query_pict_formats_screens_iterator(pictFormatR.get());
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for (; screenIt.rem > 0; xcb_render_pictscreen_next(&screenIt))
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{
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xcb_render_pictscreen_t* pictScreen = screenIt.data;
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auto depthIt = xcb_render_pictscreen_depths_iterator(pictScreen);
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for (; depthIt.rem > 0; xcb_render_pictdepth_next(&depthIt))
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{
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xcb_render_pictdepth_t* pictDepth = depthIt.data;
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auto visualIt = xcb_render_pictdepth_visuals_iterator(pictDepth);
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for (; visualIt.rem > 0; xcb_render_pictvisual_next(&visualIt))
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{
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xcb_render_pictvisual_t* pictVisual = visualIt.data;
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if (pictVisual->visual == visual)
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{
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if (formatOut)
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*formatOut = pictVisual->format;
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if (depthOut)
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*depthOut = pictDepth->depth;
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return true;
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}
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}
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}
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}
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return false;
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}
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xcb_atom_t getInternAtom(xcb_connection_t* conn, const char* atomName)
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{
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xcb_intern_atom_cookie_t atomCookie = xcb_intern_atom(conn, 1, strlen(atomName), atomName);
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auto atomReply = wrap_cptr(xcb_intern_atom_reply(conn, atomCookie, nullptr));
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if (!atomReply)
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return 0;
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return atomReply->atom;
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}
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}
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