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/*
* trayicon_win.cpp - Windows trayicon, adapted from Qt example
* Copyright (C) 2003 Justin Karneges
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "trayicon.h"
#include <qwidget.h>
#include <qapplication.h>
#include <qimage.h>
#include <qpixmap.h>
#include <qbitmap.h>
#include <qcursor.h>
#include <qlibrary.h>
#include <qt_windows.h>
static uint WM_TASKBARCREATED = 0;
#define WM_NOTIFYICON (WM_APP+101)
typedef BOOL (WINAPI *PtrShell_NotifyIcon)(DWORD,PNOTIFYICONDATA);
static PtrShell_NotifyIcon ptrShell_NotifyIcon = 0;
static void resolveLibs()
{
QLibrary lib("shell32");
lib.setAutoUnload( FALSE );
static bool triedResolve = FALSE;
if ( !ptrShell_NotifyIcon && !triedResolve ) {
triedResolve = TRUE;
ptrShell_NotifyIcon = (PtrShell_NotifyIcon) lib.resolve( "Shell_NotifyIconW" );
}
}
class TrayIcon::TrayIconPrivate : public QWidget
{
public:
HICON hIcon;
HBITMAP hMask;
TrayIcon *iconObject;
TrayIconPrivate( TrayIcon *object )
: QWidget( 0 ), hIcon( 0 ), hMask( 0 ), iconObject( object )
{
if ( !WM_TASKBARCREATED )
WM_TASKBARCREATED = RegisterWindowMessage( TEXT("TaskbarCreated") );
}
~TrayIconPrivate()
{
if ( hMask ) {
DeleteObject( hMask );
hMask = 0; // michalj
}
if ( hIcon ) {
DestroyIcon( hIcon );
hIcon = 0; // michalj
}
}
// the unavoidable A/W versions. Don't forget to keep them in sync!
bool trayMessageA( DWORD msg )
{
NOTIFYICONDATAA tnd;
ZeroMemory( &tnd, sizeof(NOTIFYICONDATAA) );
tnd.cbSize = sizeof(NOTIFYICONDATAA);
tnd.hWnd = winId();
tnd.uID = 1; // michalj
if ( msg != NIM_DELETE ) {
tnd.uFlags = NIF_MESSAGE|NIF_ICON|NIF_TIP;
tnd.uCallbackMessage= WM_NOTIFYICON;
tnd.hIcon = hIcon;
if ( !iconObject->toolTip().isNull() ) {
// Tip is limited to 63 + NULL; lstrcpyn appends a NULL terminator.
QString tip = iconObject->toolTip().left( 63 ) + QChar();
lstrcpynA(tnd.szTip, (const char*)tip.local8Bit(), QMIN( tip.length()+1, 64 ) );
}
}
return Shell_NotifyIconA(msg, &tnd);
}
#ifdef UNICODE
bool trayMessageW( DWORD msg )
{
resolveLibs();
if ( ! (ptrShell_NotifyIcon && qWinVersion() & Qt::WV_NT_based) )
return trayMessageA( msg );
NOTIFYICONDATAW tnd;
ZeroMemory( &tnd, sizeof(NOTIFYICONDATAW) );
tnd.cbSize = sizeof(NOTIFYICONDATAW);
tnd.hWnd = winId();
tnd.uID = 1; // michalj
if ( msg != NIM_DELETE ) {
tnd.uFlags = NIF_MESSAGE|NIF_ICON|NIF_TIP;
tnd.uCallbackMessage= WM_NOTIFYICON;
tnd.hIcon = hIcon;
if ( !iconObject->toolTip().isNull() ) {
// Tip is limited to 63 + NULL; lstrcpyn appends a NULL terminator.
QString tip = iconObject->toolTip().left( 63 ) + QChar();
lstrcpynW(tnd.szTip, (TCHAR*)tip.unicode(), QMIN( tip.length()+1, 64 ) );
// lstrcpynW(tnd.szTip, (TCHAR*)qt_winTchar( tip, FALSE ), QMIN( tip.length()+1, 64 ) );
}
}
return ptrShell_NotifyIcon(msg, &tnd);
}
#endif
bool trayMessage( DWORD msg )
{
QT_WA(
return trayMessageW(msg);
,
return trayMessageA(msg);
)
}
bool iconDrawItem(LPDRAWITEMSTRUCT lpdi)
{
if (!hIcon)
return FALSE;
DrawIconEx(lpdi->hDC, lpdi->rcItem.left, lpdi->rcItem.top, hIcon, 0, 0, 0, NULL, DI_NORMAL );
return TRUE;
}
bool winEvent( MSG *m )
{
switch(m->message) {
case WM_DRAWITEM:
return iconDrawItem( (LPDRAWITEMSTRUCT)m->lParam );
case WM_NOTIFYICON:
{
QMouseEvent *e = 0;
QPoint gpos = QCursor::pos();
switch (m->lParam) {
case WM_MOUSEMOVE: e = new QMouseEvent( QEvent::MouseMove, mapFromGlobal( gpos ), gpos, 0, 0 ); break;
case WM_LBUTTONDOWN: e = new QMouseEvent( QEvent::MouseButtonPress, mapFromGlobal( gpos ), gpos, LeftButton, LeftButton ); break;
case WM_LBUTTONUP: e = new QMouseEvent( QEvent::MouseButtonRelease, mapFromGlobal( gpos ), gpos, LeftButton, LeftButton ); break;
case WM_LBUTTONDBLCLK: e = new QMouseEvent( QEvent::MouseButtonDblClick, mapFromGlobal( gpos ), gpos, LeftButton, LeftButton ); break;
case WM_RBUTTONDOWN: e = new QMouseEvent( QEvent::MouseButtonPress, mapFromGlobal( gpos ), gpos, RightButton, RightButton ); break;
case WM_RBUTTONUP: e = new QMouseEvent( QEvent::MouseButtonRelease, mapFromGlobal( gpos ), gpos, RightButton, RightButton ); break;
case WM_RBUTTONDBLCLK: e = new QMouseEvent( QEvent::MouseButtonDblClick, mapFromGlobal( gpos ), gpos, RightButton, RightButton ); break;
case WM_MBUTTONDOWN: e = new QMouseEvent( QEvent::MouseButtonPress, mapFromGlobal( gpos ), gpos, MidButton, MidButton ); break;
case WM_MBUTTONUP: e = new QMouseEvent( QEvent::MouseButtonRelease, mapFromGlobal( gpos ), gpos, MidButton, MidButton ); break;
case WM_MBUTTONDBLCLK: e = new QMouseEvent( QEvent::MouseButtonDblClick, mapFromGlobal( gpos ), gpos, MidButton, MidButton ); break;
case WM_CONTEXTMENU: e = new QMouseEvent( QEvent::MouseButtonRelease, mapFromGlobal( gpos ), gpos, RightButton, RightButton ); break;
}
if ( e ) {
bool res = QApplication::sendEvent( iconObject, e );
delete e;
return res;
}
}
break;
default:
if ( m->message == WM_TASKBARCREATED ) trayMessage( NIM_ADD );
}
return QWidget::winEvent( m );
}
};
static HBITMAP createIconMask( const QPixmap &qp )
{
QImage bm = qp.convertToImage();
int w = bm.width();
int h = bm.height();
int bpl = ((w+15)/16)*2; // bpl, 16 bit alignment
uchar *bits = new uchar[bpl*h];
bm.invertPixels();
for ( int y=0; y<h; y++ )
memcpy( bits+y*bpl, bm.scanLine(y), bpl );
HBITMAP hbm = CreateBitmap( w, h, 1, 1, bits );
delete [] bits;
return hbm;
}
static HICON createIcon( const QPixmap &pm, HBITMAP &hbm )
{
QPixmap maskpm( pm.size(), pm.depth(), QPixmap::NormalOptim );
QBitmap mask( pm.size(), FALSE, QPixmap::NormalOptim );
if ( pm.mask() ) {
maskpm.fill( Qt::black ); // make masked area black
bitBlt( &mask, 0, 0, pm.mask() );
} else
maskpm.fill( Qt::color1 );
bitBlt( &maskpm, 0, 0, &pm);
ICONINFO iconInfo;
iconInfo.fIcon = TRUE;
iconInfo.hbmMask = hbm = createIconMask(mask);
iconInfo.hbmColor = maskpm.hbm();
HICON icon = CreateIconIndirect( &iconInfo );
DeleteObject(iconInfo.hbmMask);
iconInfo.hbmMask = hbm = 0; // michalj
return icon;
}
void TrayIcon::sysInstall()
{
if ( !d ) {
d = new TrayIconPrivate( this );
d->hIcon = createIcon( pm, d->hMask );
d->trayMessage( NIM_ADD );
}
}
void TrayIcon::sysRemove()
{
if ( d ) {
d->trayMessage( NIM_DELETE );
delete d;
d = 0;
}
}
void TrayIcon::sysUpdateIcon()
{
if ( d ) {
if ( d->hMask ) {
DeleteObject( d->hMask );
d->hMask = 0; // michalj
}
if ( d->hIcon ) {
DestroyIcon( d->hIcon );
d->hIcon = 0; // michalj
}
d->hIcon = createIcon( pm, d->hMask );
d->trayMessage( NIM_MODIFY );
}
}
void TrayIcon::sysUpdateToolTip()
{
if ( d )
d->trayMessage( NIM_MODIFY );
}
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