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e90c1d2a19361551eb07778280f22be3e759cf64
wxWidgets/src/msw/taskbar.cpp
Vadim Zeitlin e90c1d2a19 many changes; major ones: 
1. start of !wxUSE_GUI support
2. _T() macro renamed to T()
3. wxConvertWX2MB and MB2WX macro added


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3828 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-10-04 20:15:38 +00:00

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8.3 KiB
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/////////////////////////////////////////////////////////////////////////
// File: taskbar.cpp
// Purpose: Implements wxTaskBarIcon class for manipulating icons on
// the Windows task bar.
// Author: Julian Smart
// Modified by:
// Created: 24/3/98
// RCS-ID: $Id$
// Copyright: (c)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "taskbar.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/defs.h"
#include "wx/window.h"
#include "wx/frame.h"
#include "wx/utils.h"
#include "wx/menu.h"
#endif
#if defined(__WIN95__) && !defined(__TWIN32__)
#include <windows.h>
#include <string.h>
#include <wx/msw/taskbar.h>
#include <wx/msw/private.h>
#ifndef __TWIN32__
#ifdef __GNUWIN32__
#ifndef wxUSE_NORLANDER_HEADERS
#include <wx/msw/gnuwin32/extra.h>
#endif
#endif
#endif
#ifdef __SALFORDC__
#include <shellapi.h>
#endif
LRESULT APIENTRY _EXPORT wxTaskBarIconWindowProc( HWND hWnd, unsigned msg,
UINT wParam, LONG lParam );
wxChar *wxTaskBarWindowClass = T("wxTaskBarWindowClass");
wxList wxTaskBarIcon::sm_taskBarIcons;
bool wxTaskBarIcon::sm_registeredClass = FALSE;
UINT wxTaskBarIcon::sm_taskbarMsg = 0;
#if !USE_SHARED_LIBRARY
BEGIN_EVENT_TABLE(wxTaskBarIcon, wxEvtHandler)
EVT_TASKBAR_MOVE (wxTaskBarIcon::_OnMouseMove)
EVT_TASKBAR_LEFT_DOWN (wxTaskBarIcon::_OnLButtonDown)
EVT_TASKBAR_LEFT_UP (wxTaskBarIcon::_OnLButtonUp)
EVT_TASKBAR_RIGHT_DOWN (wxTaskBarIcon::_OnRButtonDown)
EVT_TASKBAR_RIGHT_UP (wxTaskBarIcon::_OnRButtonUp)
EVT_TASKBAR_LEFT_DCLICK (wxTaskBarIcon::_OnLButtonDClick)
EVT_TASKBAR_RIGHT_DCLICK (wxTaskBarIcon::_OnRButtonDClick)
END_EVENT_TABLE()
IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler)
#endif
wxTaskBarIcon::wxTaskBarIcon(void)
{
m_hWnd = 0;
m_iconAdded = FALSE;
AddObject(this);
if (RegisterWindowClass())
m_hWnd = CreateTaskBarWindow();
}
wxTaskBarIcon::~wxTaskBarIcon(void)
{
RemoveObject(this);
if (m_iconAdded)
{
RemoveIcon();
}
if (m_hWnd)
{
::DestroyWindow((HWND) m_hWnd);
m_hWnd = 0;
}
}
// Operations
bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
{
if (!IsOK())
return FALSE;
NOTIFYICONDATA notifyData;
memset(&notifyData, 0, sizeof(notifyData));
notifyData.cbSize = sizeof(notifyData);
notifyData.hWnd = (HWND) m_hWnd;
notifyData.uCallbackMessage = sm_taskbarMsg;
notifyData.uFlags = NIF_MESSAGE ;
if (icon.Ok())
{
notifyData.uFlags |= NIF_ICON;
notifyData.hIcon = (HICON) icon.GetHICON();
}
if (((const wxChar*) tooltip != NULL) && (tooltip != T("")))
{
notifyData.uFlags |= NIF_TIP ;
lstrcpyn(notifyData.szTip, WXSTRINGCAST tooltip, sizeof(notifyData.szTip));
}
notifyData.uID = 99;
if (m_iconAdded)
return (Shell_NotifyIcon(NIM_MODIFY, & notifyData) != 0);
else
{
m_iconAdded = (Shell_NotifyIcon(NIM_ADD, & notifyData) != 0);
return m_iconAdded;
}
}
bool wxTaskBarIcon::RemoveIcon(void)
{
if (!m_iconAdded)
return FALSE;
NOTIFYICONDATA notifyData;
memset(&notifyData, 0, sizeof(notifyData));
notifyData.cbSize = sizeof(notifyData);
notifyData.hWnd = (HWND) m_hWnd;
notifyData.uCallbackMessage = sm_taskbarMsg;
notifyData.uFlags = NIF_MESSAGE;
notifyData.hIcon = 0 ; // hIcon;
notifyData.uID = 99;
m_iconAdded = FALSE;
return (Shell_NotifyIcon(NIM_DELETE, & notifyData) != 0);
}
bool wxTaskBarIcon::PopupMenu(wxMenu *menu) //, int x, int y);
{
// OK, so I know this isn't thread-friendly, but
// what to do? We need this check.
static bool s_inPopup = FALSE;
if (s_inPopup)
return FALSE;
s_inPopup = TRUE;
bool rval = FALSE;
wxWindow* win;
int x, y;
wxGetMousePosition(&x, &y);
// is wxFrame the best window type to use???
win = new wxFrame(NULL, -1, "", wxPoint(x,y), wxSize(-1,-1), 0);
win->PushEventHandler(this);
// Remove from record of top-level windows, or will confuse wxWindows
// if we try to exit right now.
wxTopLevelWindows.DeleteObject(win);
menu->UpdateUI();
rval = win->PopupMenu(menu, 0, 0);
win->PopEventHandler(FALSE);
win->Destroy();
delete win;
s_inPopup = FALSE;
return rval;
}
// Overridables
void wxTaskBarIcon::OnMouseMove(wxEvent&)
{
}
void wxTaskBarIcon::OnLButtonDown(wxEvent&)
{
}
void wxTaskBarIcon::OnLButtonUp(wxEvent&)
{
}
void wxTaskBarIcon::OnRButtonDown(wxEvent&)
{
}
void wxTaskBarIcon::OnRButtonUp(wxEvent&)
{
}
void wxTaskBarIcon::OnLButtonDClick(wxEvent&)
{
}
void wxTaskBarIcon::OnRButtonDClick(wxEvent&)
{
}
void wxTaskBarIcon::_OnMouseMove(wxEvent& e) { OnMouseMove(e); }
void wxTaskBarIcon::_OnLButtonDown(wxEvent& e) { OnLButtonDown(e); }
void wxTaskBarIcon::_OnLButtonUp(wxEvent& e) { OnLButtonUp(e); }
void wxTaskBarIcon::_OnRButtonDown(wxEvent& e) { OnRButtonDown(e); }
void wxTaskBarIcon::_OnRButtonUp(wxEvent& e) { OnRButtonUp(e); }
void wxTaskBarIcon::_OnLButtonDClick(wxEvent& e) { OnLButtonDClick(e); }
void wxTaskBarIcon::_OnRButtonDClick(wxEvent& e) { OnRButtonDClick(e); }
wxTaskBarIcon* wxTaskBarIcon::FindObjectForHWND(WXHWND hWnd)
{
wxNode*node = sm_taskBarIcons.First();
while (node)
{
wxTaskBarIcon* obj = (wxTaskBarIcon*) node->Data();
if (obj->GetHWND() == hWnd)
return obj;
node = node->Next();
}
return NULL;
}
void wxTaskBarIcon::AddObject(wxTaskBarIcon* obj)
{
sm_taskBarIcons.Append(obj);
}
void wxTaskBarIcon::RemoveObject(wxTaskBarIcon* obj)
{
sm_taskBarIcons.DeleteObject(obj);
}
bool wxTaskBarIcon::RegisterWindowClass()
{
if (sm_registeredClass)
return TRUE;
// Also register the taskbar message here
sm_taskbarMsg = ::RegisterWindowMessage(T("wxTaskBarIconMessage"));
WNDCLASS wc;
bool rc;
HINSTANCE hInstance = GetModuleHandle(NULL);
/*
* set up and register window class
*/
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC) wxTaskBarIconWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = 0;
wc.hCursor = 0;
wc.hbrBackground = 0;
wc.lpszMenuName = NULL;
wc.lpszClassName = wxTaskBarWindowClass ;
rc = (::RegisterClass( &wc ) != 0);
sm_registeredClass = (rc != 0);
return( (rc != 0) );
}
WXHWND wxTaskBarIcon::CreateTaskBarWindow()
{
HINSTANCE hInstance = GetModuleHandle(NULL);
HWND hWnd = CreateWindowEx (0, wxTaskBarWindowClass,
T("wxTaskBarWindow"),
WS_OVERLAPPED,
0,
0,
10,
10,
NULL,
(HMENU) 0,
hInstance,
NULL);
return (WXHWND) hWnd;
}
long wxTaskBarIcon::WindowProc( WXHWND hWnd, unsigned int msg, unsigned int wParam, long lParam )
{
wxEventType eventType = 0;
if (msg != sm_taskbarMsg)
return DefWindowProc((HWND) hWnd, msg, wParam, lParam);
switch (lParam)
{
case WM_LBUTTONDOWN:
eventType = wxEVT_TASKBAR_LEFT_DOWN;
break;
case WM_LBUTTONUP:
eventType = wxEVT_TASKBAR_LEFT_UP;
break;
case WM_RBUTTONDOWN:
eventType = wxEVT_TASKBAR_RIGHT_DOWN;
break;
case WM_RBUTTONUP:
eventType = wxEVT_TASKBAR_RIGHT_UP;
break;
case WM_LBUTTONDBLCLK:
eventType = wxEVT_TASKBAR_LEFT_DCLICK;
break;
case WM_RBUTTONDBLCLK:
eventType = wxEVT_TASKBAR_RIGHT_DCLICK;
break;
case WM_MOUSEMOVE:
eventType = wxEVT_TASKBAR_MOVE;
break;
default:
break;
}
if (eventType) {
wxEvent event;
event.SetEventType(eventType);
event.SetEventObject(this);
ProcessEvent(event);
}
return 0;
}
LRESULT APIENTRY _EXPORT wxTaskBarIconWindowProc( HWND hWnd, unsigned msg,
UINT wParam, LONG lParam )
{
wxTaskBarIcon* obj = wxTaskBarIcon::FindObjectForHWND((WXHWND) hWnd);
if (obj)
return obj->WindowProc((WXHWND) hWnd, msg, wParam, lParam);
else
return DefWindowProc(hWnd, msg, wParam, lParam);
}
#endif
// __WIN95__
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