108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
#include "qt_renderercommon.hpp"
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#include "qt_mainwindow.hpp"
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#include <QPainter>
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#include <QWidget>
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#include <QEvent>
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#include <QApplication>
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#include <cmath>
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extern "C" {
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#include <86box/86box.h>
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#include <86box/video.h>
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}
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RendererCommon::RendererCommon() = default;
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extern MainWindow* main_window;
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static void integer_scale(double *d, double *g) {
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double ratio;
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if (*d > *g) {
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ratio = std::floor(*d / *g);
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*d = *g * ratio;
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} else {
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ratio = std::ceil(*d / *g);
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*d = *g / ratio;
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}
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}
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void RendererCommon::onResize(int width, int height) {
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if (video_fullscreen == 0) {
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destination.setRect(0, 0, width, height);
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return;
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}
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double dx, dy, dw, dh, gsr;
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double hw = width;
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double hh = height;
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double gw = source.width();
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double gh = source.height();
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double hsr = hw / hh;
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switch (video_fullscreen_scale) {
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case FULLSCR_SCALE_INT:
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gsr = gw / gh;
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if (gsr <= hsr) {
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dw = hh * gsr;
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dh = hh;
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} else {
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dw = hw;
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dh = hw / gsr;
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}
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integer_scale(&dw, &gw);
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integer_scale(&dh, &gh);
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dx = (hw - dw) / 2.0;
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dy = (hh - dh) / 2.0;
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destination.setRect(dx, dy, dw, dh);
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break;
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case FULLSCR_SCALE_43:
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case FULLSCR_SCALE_KEEPRATIO:
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if (video_fullscreen_scale == FULLSCR_SCALE_43) {
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gsr = 4.0 / 3.0;
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} else {
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gsr = gw / gh;
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}
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if (gsr <= hsr) {
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dw = hh * gsr;
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dh = hh;
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} else {
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dw = hw;
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dh = hw / gsr;
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}
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dx = (hw - dw) / 2.0;
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dy = (hh - dh) / 2.0;
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destination.setRect(dx, dy, dw, dh);
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break;
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case FULLSCR_SCALE_FULL:
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default:
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destination.setRect(0, 0, hw, hh);
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break;
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}
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}
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bool RendererCommon::eventDelegate(QEvent *event, bool& result)
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{
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switch (event->type())
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{
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default:
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return false;
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case QEvent::KeyPress:
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case QEvent::KeyRelease:
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result = QApplication::sendEvent(main_window, event);
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return true;
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case QEvent::MouseButtonPress:
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case QEvent::MouseMove:
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case QEvent::MouseButtonRelease:
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case QEvent::Wheel:
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case QEvent::Enter:
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case QEvent::Leave:
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result = QApplication::sendEvent(parentWidget, event);
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return true;
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}
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return false;
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}
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