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63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/******************************************************************************
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Copyright (C) 2025 by Dennis Sädtler <saedtler@twitch.tv>
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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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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 "OBSBasic.hpp"
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void OBSBasic::CanvasRemoved(void *data, calldata_t *params)
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{
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obs_canvas_t *canvas = static_cast<obs_canvas_t *>(calldata_ptr(params, "canvas"));
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QMetaObject::invokeMethod(static_cast<OBSBasic *>(data), "RemoveCanvas", Q_ARG(OBSCanvas, OBSCanvas(canvas)));
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}
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const OBS::Canvas &OBSBasic::AddCanvas(const std::string &name, obs_video_info *ovi, int flags)
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{
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OBSCanvas canvas = obs_canvas_create(name.c_str(), ovi, flags);
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auto &it = canvases.emplace_back(canvas);
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OnEvent(OBS_FRONTEND_EVENT_CANVAS_ADDED);
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return it;
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}
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bool OBSBasic::RemoveCanvas(OBSCanvas canvas)
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{
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bool removed = false;
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if (!canvas)
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return removed;
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auto canvas_it = std::find(std::begin(canvases), std::end(canvases), canvas);
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if (canvas_it != std::end(canvases)) {
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// Move canvas to a temporary object to delay removal of the canvas and calls to its signal handlers
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// until after erase() completes. This is to avoid issues with recursion coming from the
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// CanvasRemoved() signal handler.
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OBS::Canvas tmp = std::move(*canvas_it);
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canvases.erase(canvas_it);
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removed = true;
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}
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if (removed)
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OnEvent(OBS_FRONTEND_EVENT_CANVAS_REMOVED);
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return removed;
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}
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void OBSBasic::ClearCanvases()
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{
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// Delete canvases one-by-one to ensure OBS_FRONTEND_EVENT_CANVAS_REMOVED is sent for each
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while (!canvases.empty()) {
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RemoveCanvas(OBSCanvas(canvases.back()));
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}
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}
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