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SystemTray.cpp
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SystemTray.cpp
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#include "stdafx.h"
#include "SystemTray.h"
#include "WindowLayoutManager.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
SystemTray::SystemTray()
: hwnd(NULL)
, notifyIconData(NULL)
{
}
SystemTray::~SystemTray()
{
destroyTray();
}
bool SystemTray::createTray(HWND hwnd, unsigned int msg, unsigned int id, const TCHAR *tooltip, HICON icon)
{
notifyIconData = new NOTIFYICONDATA;
memset(notifyIconData, 0, sizeof(NOTIFYICONDATA));
notifyIconData->cbSize = sizeof(NOTIFYICONDATA);
notifyIconData->uFlags = NIF_ICON | NIF_TIP | NIF_MESSAGE;
notifyIconData->hWnd = hwnd;
notifyIconData->hIcon = icon;
notifyIconData->uCallbackMessage = msg;
notifyIconData->uID = id;
_tcscpy_s(notifyIconData->szTip, sizeof(notifyIconData->szInfo) / sizeof(notifyIconData->szInfo[0]), tooltip);
bool sResult = ::Shell_NotifyIcon(NIM_ADD, notifyIconData);
if (sResult)
{
this->hwnd = hwnd;
}
else
{
destroyTray();
}
return sResult;
}
void SystemTray::destroyTray()
{
if (notifyIconData)
{
::Shell_NotifyIcon(NIM_DELETE, notifyIconData);
::DestroyIcon(notifyIconData->hIcon);
delete notifyIconData;
notifyIconData = NULL;
hwnd = NULL;
}
}
bool SystemTray::recreateTray()
{
NOTIFYICONDATA sNotifyIconData;
memcpy(&sNotifyIconData, notifyIconData, sizeof(NOTIFYICONDATA));
sNotifyIconData.hIcon = ::DuplicateIcon(theApp.m_hInstance, notifyIconData->hIcon);
destroyTray();
return createTray(sNotifyIconData.hWnd, sNotifyIconData.uCallbackMessage, sNotifyIconData.uID, sNotifyIconData.szTip, sNotifyIconData.hIcon);
}
void SystemTray::showWindow(bool show, bool animate)
{
if (show)
{
showFromTray(animate);
}
else
{
hideToTray(animate);
}
}
void SystemTray::toggleWindow(bool animate)
{
if (::IsWindowVisible(hwnd) == FALSE)
{
showFromTray(animate);
}
else
{
hideToTray(animate);
}
}
void SystemTray::showFromTray(bool animate)
{
::SetForegroundWindow(hwnd);
unsigned int uStyle = CWnd::FromHandle(hwnd)->GetStyle();
if ((uStyle & WS_MINIMIZE) == WS_MINIMIZE)
{
::ShowWindow(hwnd, SW_RESTORE);
}
else
{
animateMaximizeFromTray();
::ShowWindow(hwnd, SW_SHOW);
}
}
void SystemTray::hideToTray(bool animate)
{
animateMinimizeToTray();
::ShowWindow(hwnd, SW_HIDE);
}
void SystemTray::animateMinimizeToTray()
{
CRect sFromRect;
::GetWindowRect(hwnd, &sFromRect);
CRect sToRect;
getTrayWndRect(&sToRect);
::DrawAnimatedRects(hwnd, IDANI_CAPTION, &sFromRect, &sToRect);
}
void SystemTray::animateMaximizeFromTray()
{
CRect sFromRect;
getTrayWndRect(&sFromRect);
// I cannot get window rectagle by GetWindowRect API function on minimized window state.
WINDOWPLACEMENT sWindowPlacement;
::GetWindowPlacement(hwnd, &sWindowPlacement);
::DrawAnimatedRects(hwnd, IDANI_CAPTION, &sFromRect, &sWindowPlacement.rcNormalPosition);
}
void SystemTray::getTrayWndRect(LPRECT rect)
{
HWND aTaskBarHwnd = ::FindWindow(_T("Shell_TrayWnd"), NULL);
if (aTaskBarHwnd)
{
HWND sTrayHwnd = ::FindWindowEx(aTaskBarHwnd, NULL, _T("TrayNotifyWnd"), NULL);
if (sTrayHwnd)
::GetWindowRect(sTrayHwnd, rect);
else
{
::GetWindowRect(aTaskBarHwnd, rect);
rect->left = rect->right - 20;
rect->top = rect->bottom - 20;
}
}
else
{
int sWidth = GetSystemMetrics(SM_CXSCREEN);
int sHeight = GetSystemMetrics(SM_CYSCREEN);
SetRect(rect, sWidth-40, sHeight-20, sWidth, sHeight);
}
}