1 ///////////////////////////////////////////////////////////////////////////////
2 // MuldeR's Utilities for Qt
3 // Copyright (C) 2004-2015 LoRd_MuldeR <MuldeR2@GMX.de>
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Lesser General Public
7 // License as published by the Free Software Foundation; either
8 // version 2.1 of the License, or (at your option) any later version.
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Lesser General Public License for more details.
15 // You should have received a copy of the GNU Lesser General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 // http://www.gnu.org/licenses/lgpl-2.1.txt
20 //////////////////////////////////////////////////////////////////////////////////
23 #include <MUtils/GUI.h>
24 #include <MUtils/OSSupport.h>
27 #include "Utils_Win32.h"
31 #include <QApplication>
35 ///////////////////////////////////////////////////////////////////////////////
37 ///////////////////////////////////////////////////////////////////////////////
39 bool MUtils::GUI::broadcast(int eventType, const bool &onlyToVisible)
41 if(QApplication *app = dynamic_cast<QApplication*>(QApplication::instance()))
43 qDebug("Broadcasting %d", eventType);
46 QEvent poEvent(static_cast<QEvent::Type>(eventType));
47 QWidgetList list = app->topLevelWidgets();
49 while(!list.isEmpty())
51 QWidget *widget = list.takeFirst();
52 if(!onlyToVisible || widget->isVisible())
54 if(!app->sendEvent(widget, &poEvent))
61 qDebug("Broadcast %d done (%s)", eventType, (allOk ? "OK" : "Stopped"));
66 qWarning("Broadcast failed, could not get QApplication instance!");
71 ///////////////////////////////////////////////////////////////////////////////
73 ///////////////////////////////////////////////////////////////////////////////
81 class WindowIconHelper : public QObject
84 WindowIconHelper(QWidget *const parent, const HICON hIcon, const bool &bIsBigIcon)
89 SendMessage(parent->winId(), WM_SETICON, (bIsBigIcon ? ICON_BIG : ICON_SMALL), LPARAM(hIcon));
92 ~WindowIconHelper(void)
107 bool MUtils::GUI::set_window_icon(QWidget *const window, const QIcon &icon, const bool bIsBigIcon)
109 if((!icon.isNull()) && window->winId())
111 const int extend = (bIsBigIcon ? 32 : 16);
112 if(HICON hIcon = qicon_to_hicon(icon, extend, extend))
114 if(new Internal::WindowIconHelper(window, hIcon, bIsBigIcon))
123 ///////////////////////////////////////////////////////////////////////////////
125 ///////////////////////////////////////////////////////////////////////////////
127 static QMutex g_blinkMutex;
129 void MUtils::GUI::blink_window(QWidget *const poWindow, const unsigned int &count, const unsigned int &delay)
131 const double maxOpac = 1.0;
132 const double minOpac = 0.3;
133 const double delOpac = 0.1;
135 if(!g_blinkMutex.tryLock())
137 qWarning("Blinking is already in progress, skipping!");
143 const int steps = static_cast<int>(ceil(maxOpac - minOpac) / delOpac);
144 const int sleep = static_cast<int>(floor(static_cast<double>(delay) / static_cast<double>(steps)));
145 const double opacity = poWindow->windowOpacity();
147 for(unsigned int i = 0; i < count; i++)
149 for(double x = maxOpac; x >= minOpac; x -= delOpac)
151 poWindow->setWindowOpacity(x);
152 QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
153 MUtils::OS::sleep_ms(sleep);
156 for(double x = minOpac; x <= maxOpac; x += delOpac)
158 poWindow->setWindowOpacity(x);
159 QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
160 MUtils::OS::sleep_ms(sleep);
164 poWindow->setWindowOpacity(opacity);
165 QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
169 qWarning("Exception error while blinking!");
172 g_blinkMutex.unlock();
175 ///////////////////////////////////////////////////////////////////////////////
177 ///////////////////////////////////////////////////////////////////////////////
179 void MUtils::GUI::force_quit(void)
181 qApp->closeAllWindows();
185 ///////////////////////////////////////////////////////////////////////////////