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Move common Qt utility functions & JSON I/O together in a single place

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This commit is contained in:
baldurk
2016-11-09 13:23:53 +01:00
parent 66298ea1ce
commit bb2f3a205c
16 changed files with 460 additions and 387 deletions
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qrenderdoc/Code/CaptureContext.h
-161
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@@ -25,7 +25,6 @@
#pragma once
#include <QDebug>
#include <QFileDialog>
#include <QList>
#include <QMap>
#include <QMessageBox>
@@ -194,163 +193,3 @@ private:
QProgressDialog *m_Progress;
MainWindow *m_MainWindow;
};
// implementation of QOverload, to avoid depending on 5.7.
// From: http://stackoverflow.com/a/16795664/4070143
template <typename... Args>
struct OverloadedSlot
{
template <typename C, typename R>
static constexpr auto of(R (C::*pmf)(Args...)) -> decltype(pmf)
{
return pmf;
}
};
// Utility class for invoking a lambda on the GUI thread.
// This is supported by QTimer::singleShot on Qt 5.4 but it's probably
// wise not to require a higher version that necessary.
#include <functional>
class GUIInvoke : public QObject
{
private:
Q_OBJECT
GUIInvoke(const std::function<void()> &f) : func(f) {}
std::function<void()> func;
public:
static void call(const std::function<void()> &f);
static void blockcall(const std::function<void()> &f);
protected slots:
void doInvoke()
{
func();
deleteLater();
}
};
// Utility class for calling a lambda on a new thread.
#include <QThread>
class LambdaThread : public QObject
{
private:
Q_OBJECT
std::function<void()> m_func;
QThread *m_Thread;
QSemaphore completed;
bool m_SelfDelete = false;
public slots:
void process()
{
m_func();
m_Thread->quit();
m_Thread->deleteLater();
m_Thread = NULL;
if(m_SelfDelete)
deleteLater();
completed.acquire();
}
void selfDelete(bool d) { m_SelfDelete = d; }
public:
explicit LambdaThread(std::function<void()> f)
{
completed.release();
m_Thread = new QThread();
m_func = f;
moveToThread(m_Thread);
QObject::connect(m_Thread, &QThread::started, this, &LambdaThread::process);
}
void start(QThread::Priority prio = QThread::InheritPriority) { m_Thread->start(prio); }
bool isRunning() { return completed.available(); }
bool wait(unsigned long time = ULONG_MAX)
{
if(m_Thread)
return m_Thread->wait(time);
return true;
}
};
class QMenu;
// helper for doing a manual blocking invoke of a dialog
struct RDDialog
{
static void show(QMenu *menu, QPoint pos);
static int show(QDialog *dialog);
static QMessageBox::StandardButton messageBox(
QMessageBox::Icon, QWidget *parent, const QString &title, const QString &text,
QMessageBox::StandardButtons buttons = QMessageBox::Ok,
QMessageBox::StandardButton defaultButton = QMessageBox::NoButton);
static QMessageBox::StandardButton information(
QWidget *parent, const QString &title, const QString &text,
QMessageBox::StandardButtons buttons = QMessageBox::Ok,
QMessageBox::StandardButton defaultButton = QMessageBox::NoButton)
{
return messageBox(QMessageBox::Information, parent, title, text, buttons, defaultButton);
}
static QMessageBox::StandardButton question(
QWidget *parent, const QString &title, const QString &text,
QMessageBox::StandardButtons buttons = QMessageBox::StandardButtons(QMessageBox::Yes |
QMessageBox::No),
QMessageBox::StandardButton defaultButton = QMessageBox::NoButton)
{
return messageBox(QMessageBox::Question, parent, title, text, buttons, defaultButton);
}
static QMessageBox::StandardButton warning(
QWidget *parent, const QString &title, const QString &text,
QMessageBox::StandardButtons buttons = QMessageBox::Ok,
QMessageBox::StandardButton defaultButton = QMessageBox::NoButton)
{
return messageBox(QMessageBox::Warning, parent, title, text, buttons, defaultButton);
}
static QMessageBox::StandardButton critical(
QWidget *parent, const QString &title, const QString &text,
QMessageBox::StandardButtons buttons = QMessageBox::Ok,
QMessageBox::StandardButton defaultButton = QMessageBox::NoButton)
{
return messageBox(QMessageBox::Critical, parent, title, text, buttons, defaultButton);
}
static QString getExistingDirectory(QWidget *parent = NULL, const QString &caption = QString(),
const QString &dir = QString(),
QFileDialog::Options options = QFileDialog::ShowDirsOnly);
static QString getOpenFileName(QWidget *parent = NULL, const QString &caption = QString(),
const QString &dir = QString(), const QString &filter = QString(),
QString *selectedFilter = NULL,
QFileDialog::Options options = QFileDialog::Options());
static QString getSaveFileName(QWidget *parent = NULL, const QString &caption = QString(),
const QString &dir = QString(), const QString &filter = QString(),
QString *selectedFilter = NULL,
QFileDialog::Options options = QFileDialog::Options());
};
// useful delegate for enforcing a given size
#include <QItemDelegate>
class SizeDelegate : public QItemDelegate
{
private:
Q_OBJECT
QSize m_Size;
public:
SizeDelegate(QSize size) : m_Size(size) {}
QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
return m_Size;
}
};