mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-09-20 21:13:04 +02:00
118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
#include <QAction>
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#include <QMouseEvent>
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#include <QMenu>
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#include "window-projector.hpp"
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#include "display-helpers.hpp"
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#include "qt-wrappers.hpp"
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#include "platform.hpp"
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#include "obs-app.hpp"
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OBSProjector::OBSProjector(QWidget *widget, obs_source_t *source_)
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: OBSQTDisplay (widget,
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Qt::Window | Qt::FramelessWindowHint),
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source (source_),
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removedSignal (obs_source_get_signal_handler(source),
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"removed", OBSSourceRemoved, this)
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{
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setAttribute(Qt::WA_DeleteOnClose, true);
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}
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OBSProjector::~OBSProjector()
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{
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if (source)
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obs_source_dec_showing(source);
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}
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void OBSProjector::Init(int monitor)
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{
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std::vector<MonitorInfo> monitors;
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GetMonitors(monitors);
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MonitorInfo &mi = monitors[monitor];
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setGeometry(mi.x, mi.y, mi.cx, mi.cy);
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show();
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if (source)
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obs_source_inc_showing(source);
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struct gs_init_data gid = {};
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gid.cx = mi.cx;
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gid.cy = mi.cy;
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gid.format = GS_RGBA;
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QTToGSWindow(winId(), gid.window);
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display = obs_display_create(&gid);
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obs_display_set_background_color(display, 0x000000);
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obs_display_add_draw_callback(display, OBSRender, this);
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QAction *action = new QAction(this);
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action->setShortcut(Qt::Key_Escape);
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addAction(action);
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connect(action, SIGNAL(triggered()), this, SLOT(EscapeTriggered()));
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}
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void OBSProjector::OBSRender(void *data, uint32_t cx, uint32_t cy)
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{
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OBSProjector *window = reinterpret_cast<OBSProjector*>(data);
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uint32_t targetCX;
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uint32_t targetCY;
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int x, y;
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int newCX, newCY;
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float scale;
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if (window->source) {
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targetCX = std::max(obs_source_get_width(window->source), 1u);
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targetCY = std::max(obs_source_get_height(window->source), 1u);
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} else {
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struct obs_video_info ovi;
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obs_get_video_info(&ovi);
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targetCX = ovi.base_width;
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targetCY = ovi.base_height;
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}
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GetScaleAndCenterPos(targetCX, targetCY, cx, cy, x, y, scale);
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newCX = int(scale * float(targetCX));
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newCY = int(scale * float(targetCY));
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gs_viewport_push();
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gs_projection_push();
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gs_ortho(0.0f, float(targetCX), 0.0f, float(targetCY), -100.0f, 100.0f);
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gs_set_viewport(x, y, newCX, newCY);
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if (window->source)
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obs_source_video_render(window->source);
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else
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obs_render_main_view();
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gs_projection_pop();
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gs_viewport_pop();
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}
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void OBSProjector::OBSSourceRemoved(void *data, calldata_t *params)
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{
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OBSProjector *window = reinterpret_cast<OBSProjector*>(data);
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window->deleteLater();
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UNUSED_PARAMETER(params);
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}
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void OBSProjector::mousePressEvent(QMouseEvent *event)
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{
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OBSQTDisplay::mousePressEvent(event);
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if (event->button() == Qt::RightButton) {
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QMenu popup(this);
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popup.addAction(QTStr("Close"), this, SLOT(EscapeTriggered()));
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popup.exec(QCursor::pos());
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}
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}
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void OBSProjector::EscapeTriggered()
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{
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deleteLater();
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}
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