qt_demoe/3rd_qxtglobalshortcut/qxtwindowsystem_win.cpp

128 lines
4.0 KiB
C++

#include "qxtwindowsystem.h"
/****************************************************************************
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** See the Qxt AUTHORS file for a list of authors and copyright holders.
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** Redistribution and use in source and binary forms, with or without
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** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
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** * Neither the name of the LibQxt project nor the
** names of its contributors may be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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*****************************************************************************/
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0500
#endif
#include <qt_windows.h>
#include <qglobal.h> // QT_WA
static WindowList qxt_Windows;
BOOL CALLBACK qxt_EnumWindowsProc(HWND hwnd, LPARAM lParam)
{
Q_UNUSED(lParam);
if (::IsWindowVisible(hwnd))
qxt_Windows += (WId)hwnd;
return true;
}
WindowList QxtWindowSystem::windows()
{
qxt_Windows.clear();
HDESK hdesk = ::OpenInputDesktop(0, false, DESKTOP_READOBJECTS);
::EnumDesktopWindows(hdesk, qxt_EnumWindowsProc, 0);
::CloseDesktop(hdesk);
return qxt_Windows;
}
WId QxtWindowSystem::activeWindow()
{
return (WId)::GetForegroundWindow();
}
WId QxtWindowSystem::findWindow(const QString& title)
{
#if QT_VERSION < QT_VERSION_CHECK(5,0,0)
QT_WA({
return (WId)::FindWindow(NULL, (TCHAR*)title.utf16());
}, {
return (WId)::FindWindowA(NULL, title.toLocal8Bit());
});
#else
return (WId)::FindWindow(NULL, (TCHAR*)title.utf16());
#endif
}
WId QxtWindowSystem::windowAt(const QPoint& pos)
{
POINT pt;
pt.x = pos.x();
pt.y = pos.y();
return (WId)::WindowFromPoint(pt);
}
QString QxtWindowSystem::windowTitle(WId window)
{
QString title;
int len = ::GetWindowTextLength((HWND)window);
if (len >= 0)
{
TCHAR* buf = new TCHAR[len+1];
len = ::GetWindowText((HWND)window, buf, len+1);
#if QT_VERSION < QT_VERSION_CHECK(5,0,0)
QT_WA({
title = QString::fromUtf16((const ushort*)buf, len);
}, {
title = QString::fromLocal8Bit((const char*)buf, len);
});
#else
title = QString::fromUtf16((const ushort*)buf, len);
#endif
delete[] buf;
}
return title;
}
QRect QxtWindowSystem::windowGeometry(WId window)
{
RECT rc;
QRect rect;
if (::GetWindowRect((HWND)window, &rc))
{
rect.setTop(rc.top);
rect.setBottom(rc.bottom);
rect.setLeft(rc.left);
rect.setRight(rc.right);
}
return rect;
}
uint QxtWindowSystem::idleTime()
{
uint idle = -1;
LASTINPUTINFO info;
info.cbSize = sizeof(LASTINPUTINFO);
if (::GetLastInputInfo(&info))
idle = ::GetTickCount() - info.dwTime;
return idle;
}