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Qt: Show FPS in title bar

This commit is contained in:
Jeffrey Pfau 2014-11-27 17:35:25 -08:00
parent 12a014e726
commit eb2809829d
2 changed files with 34 additions and 0 deletions
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23
src/platform/qt/Window.cpp
View File

@ -67,6 +67,7 @@ Window::Window(ConfigController* config, QWidget* parent)
#endif
connect(m_controller, SIGNAL(gameUnpaused(GBAThread*)), m_display, SLOT(unpauseDrawing()));
connect(m_controller, SIGNAL(postLog(int, const QString&)), m_logView, SLOT(postLog(int, const QString&)));
connect(m_controller, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(recordFrame()));
connect(m_logView, SIGNAL(levelsSet(int)), m_controller, SLOT(setLogLevel(int)));
connect(m_logView, SIGNAL(levelsEnabled(int)), m_controller, SLOT(enableLogLevel(int)));
connect(m_logView, SIGNAL(levelsDisabled(int)), m_controller, SLOT(disableLogLevel(int)));
@ -76,8 +77,10 @@ Window::Window(ConfigController* config, QWidget* parent)
connect(this, SIGNAL(shutdown()), m_logView, SLOT(hide()));
connect(this, SIGNAL(audioBufferSamplesChanged(int)), m_controller, SLOT(setAudioBufferSamples(int)));
connect(this, SIGNAL(fpsTargetChanged(float)), m_controller, SLOT(setFPSTarget(float)));
connect(&m_fpsTimer, SIGNAL(timeout()), this, SLOT(showFPS()));
m_logView->setLevels(GBA_LOG_WARN | GBA_LOG_ERROR | GBA_LOG_FATAL);
m_fpsTimer.setInterval(FPS_TIMER_INTERVAL);
setupMenu(menuBar());
}
@ -277,6 +280,8 @@ void Window::gameStarted(GBAThread* context) {
setWindowTitle(tr(PROJECT_NAME " - %1").arg(title));
attachWidget(m_display);
m_screenWidget->setScaledContents(true);
m_fpsTimer.start();
}
void Window::gameStopped() {
@ -287,6 +292,8 @@ void Window::gameStopped() {
detachWidget(m_display);
m_screenWidget->setScaledContents(false);
redoLogo();
m_fpsTimer.stop();
}
void Window::redoLogo() {
@ -298,6 +305,22 @@ void Window::redoLogo() {
m_screenWidget->setPixmap(logo);
}
void Window::recordFrame() {
m_frameList.append(QDateTime::currentDateTime());
while (m_frameList.count() > FRAME_LIST_SIZE) {
m_frameList.removeFirst();
}
}
void Window::showFPS() {
qint64 interval = m_frameList.first().msecsTo(m_frameList.last());
float fps = (m_frameList.count() - 1) * 10000.f / interval;
fps = round(fps) / 10.f;
char title[13] = { '\0' };
GBAGetGameTitle(m_controller->thread()->gba, title);
setWindowTitle(tr(PROJECT_NAME " - %1 (%2 fps)").arg(title).arg(fps));
}
void Window::openStateWindow(LoadSave ls) {
if (m_stateWindow) {
return;

11
src/platform/qt/Window.h
View File

@ -2,7 +2,10 @@
#define QGBA_WINDOW
#include <QAudioOutput>
#include <QDateTime>
#include <QList>
#include <QMainWindow>
#include <QTimer>
extern "C" {
#include "gba.h"
@ -76,7 +79,13 @@ private slots:
void gameStopped();
void redoLogo();
void recordFrame();
void showFPS();
private:
static const int FPS_TIMER_INTERVAL = 2000;
static const int FRAME_LIST_SIZE = 120;
void setupMenu(QMenuBar*);
void openStateWindow(LoadSave);
@ -92,6 +101,8 @@ private:
QPixmap m_logo;
ConfigController* m_config;
InputController m_inputController;
QList<QDateTime> m_frameList;
QTimer m_fpsTimer;
#ifdef USE_FFMPEG
VideoView* m_videoView;