///////////////////////////////////////////////////////////////////////////////
// MuldeR's Utilities for Qt
-// Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2018 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// http://www.gnu.org/licenses/lgpl-2.1.txt
//////////////////////////////////////////////////////////////////////////////////
+//MUtils
#include <MUtils/GUI.h>
+#include <MUtils/OSSupport.h>
//Internal
#include "Utils_Win32.h"
#include <QIcon>
#include <QApplication>
#include <QWidget>
+#include <QMutex>
+#include <QDesktopWidget>
+
+//Win32 API
+#ifndef _INC_WINDOWS
+#define WIN32_LEAN_AND_MEAN 1
+#include <Windows.h>
+#endif //_INC_WINDOWS
///////////////////////////////////////////////////////////////////////////////
// BROADCAST
{
namespace Internal
{
- class WindowIconHelper : public QObject
- {
- public:
- WindowIconHelper(QWidget *const parent, const HICON hIcon, const bool &bIsBigIcon)
+ class WindowIconHelper : public QObject
+ {
+ public:
+ WindowIconHelper(QWidget *const parent, const HICON hIcon, const bool &bIsBigIcon)
:
- QObject(parent),
- m_hIcon(hIcon)
- {
- SendMessage(parent->winId(), WM_SETICON, (bIsBigIcon ? ICON_BIG : ICON_SMALL), LPARAM(hIcon));
- }
+ QObject(parent),
+ m_hIcon(hIcon)
+ {
+ SendMessage(reinterpret_cast<HWND>(parent->winId()), WM_SETICON, (bIsBigIcon ? ICON_BIG : ICON_SMALL), LPARAM(hIcon));
+ }
- ~WindowIconHelper(void)
+ virtual ~WindowIconHelper(void)
+ {
+ if (m_hIcon)
{
- if(m_hIcon)
- {
- DestroyIcon(m_hIcon);
- }
+ DestroyIcon(m_hIcon);
}
+ }
- private:
- const HICON m_hIcon;
- };
+ private:
+ const HICON m_hIcon;
+ };
}
}
}
-bool MUtils::GUI::set_window_icon(QWidget *window, const QIcon &icon, const bool bIsBigIcon)
+bool MUtils::GUI::set_window_icon(QWidget *const window, const QIcon &icon, const bool bIsBigIcon)
{
- if((!icon.isNull()) && window->winId())
+ if ((!icon.isNull()) && window->winId())
{
const int extend = (bIsBigIcon ? 32 : 16);
- if(HICON hIcon = qicon_to_hicon(icon, extend, extend))
+ if (const HICON hIcon = (HICON)MUtils::Win32Utils::qicon_to_hicon(&icon, extend, extend))
{
- if(new Internal::WindowIconHelper(window, hIcon, bIsBigIcon))
+ new Internal::WindowIconHelper(window, hIcon, bIsBigIcon); /*will be free'd using QObject parent mechanism*/
+ return true;
+ }
+ }
+ return false;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// BLINK WINDOW
+///////////////////////////////////////////////////////////////////////////////
+
+static QMutex g_blinkMutex;
+
+void MUtils::GUI::blink_window(QWidget *const poWindow, const unsigned int &count, const unsigned int &delay)
+{
+ const double maxOpac = 1.0;
+ const double minOpac = 0.3;
+ const double delOpac = 0.1;
+
+ if (!g_blinkMutex.tryLock())
+ {
+ qWarning("Blinking is already in progress, skipping!");
+ return;
+ }
+
+ try
+ {
+ const int steps = static_cast<int>(ceil(maxOpac - minOpac) / delOpac);
+ const int sleep = static_cast<int>(floor(static_cast<double>(delay) / static_cast<double>(steps)));
+ const double opacity = poWindow->windowOpacity();
+
+ for (unsigned int i = 0; i < count; i++)
+ {
+ for (double x = maxOpac; x >= minOpac; x -= delOpac)
+ {
+ poWindow->setWindowOpacity(x);
+ QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+ MUtils::OS::sleep_ms(sleep);
+ }
+
+ for (double x = minOpac; x <= maxOpac; x += delOpac)
{
- return true;
+ poWindow->setWindowOpacity(x);
+ QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+ MUtils::OS::sleep_ms(sleep);
}
}
+
+ poWindow->setWindowOpacity(opacity);
+ QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+ }
+ catch (...)
+ {
+ qWarning("Exception error while blinking!");
+ }
+
+ g_blinkMutex.unlock();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// DPI SCALING
+///////////////////////////////////////////////////////////////////////////////
+
+double MUtils::GUI::dpi_scale(void)
+{
+ if (const QApplication *const app = dynamic_cast<QApplication*>(QCoreApplication::instance()))
+ {
+ const double dpi_x = static_cast<double>(app->desktop()->logicalDpiX());
+ const double dpi_y = static_cast<double>(app->desktop()->logicalDpiY());
+ return qBound(1.0, ((dpi_x + dpi_y) / 192.0), 2.0);
+ }
+ return -1.0;
+}
+
+bool MUtils::GUI::scale_widget(QWidget *const widget, const bool recenter)
+{
+ if (widget && (widget->windowFlags().testFlag(Qt::WindowType::Window)))
+ {
+ const double dpiScale = dpi_scale();
+ if ((dpiScale > 0.0) && (!qFuzzyCompare(dpiScale, 1.0)))
+ {
+ const QSize originalSize = widget->size();
+ widget->resize(qRound(originalSize.width() * dpiScale), qRound(originalSize.height() * dpiScale));
+ return recenter ? center_widget(widget) : true;
+ }
+ }
+ return false;
+}
+
+bool MUtils::GUI::center_widget(QWidget *const widget)
+{
+ if (widget && (!widget->parentWidget()))
+ {
+ const QRect desktopRect = QApplication::desktop()->screenGeometry();
+ const QRect thisRect = widget->geometry();
+ widget->move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
+ return true;
}
return false;
}
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