X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3096bd2fa7b88105bc54c08e3c878585de1a9b91..b3fcfa4d89d44425ed28050462c6064100fe7b05:/src/msw/taskbar.cpp diff --git a/src/msw/taskbar.cpp b/src/msw/taskbar.cpp index 9b2f4eeb50..57ce4633f8 100644 --- a/src/msw/taskbar.cpp +++ b/src/msw/taskbar.cpp @@ -1,16 +1,16 @@ ///////////////////////////////////////////////////////////////////////// // File: taskbar.cpp -// Purpose: Implements wxTaskBarIcon class for manipulating icons on +// Purpose: Implements wxTaskBarIcon class for manipulating icons on // the Windows task bar. // Author: Julian Smart -// Modified by: +// Modified by: Vaclav Slavik // Created: 24/3/98 // RCS-ID: $Id$ // Copyright: (c) -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "taskbar.h" #endif @@ -29,36 +29,28 @@ #include "wx/menu.h" #endif -#if defined(__WIN95__) && !defined(__TWIN32__) +#if defined(__WIN95__) -#include -#include -#include "wx/msw/taskbar.h" #include "wx/msw/private.h" +#include "wx/msw/winundef.h" -#ifndef __TWIN32__ -#ifdef __GNUWIN32__ -#ifndef wxUSE_NORLANDER_HEADERS -#include "wx/msw/gnuwin32/extra.h" -#endif -#endif -#endif +#include +#include "wx/taskbar.h" -#ifdef __SALFORDC__ -#include +#ifdef __GNUWIN32_OLD__ + #include "wx/msw/gnuwin32/extra.h" #endif -LRESULT APIENTRY _EXPORT wxTaskBarIconWindowProc( HWND hWnd, unsigned msg, - UINT wParam, LONG lParam ); - -wxChar *wxTaskBarWindowClass = wxT("wxTaskBarWindowClass"); - -wxList wxTaskBarIcon::sm_taskBarIcons; -bool wxTaskBarIcon::sm_registeredClass = FALSE; -UINT wxTaskBarIcon::sm_taskbarMsg = 0; +#ifdef __WXWINCE__ + #include + #include +#endif +// initialized on demand +UINT gs_msgTaskbar = 0; +UINT gs_msgRestartTaskbar = 0; -#if !USE_SHARED_LIBRARY +#if WXWIN_COMPATIBILITY_2_4 BEGIN_EVENT_TABLE(wxTaskBarIcon, wxEvtHandler) EVT_TASKBAR_MOVE (wxTaskBarIcon::_OnMouseMove) EVT_TASKBAR_LEFT_DOWN (wxTaskBarIcon::_OnLButtonDown) @@ -68,161 +60,184 @@ BEGIN_EVENT_TABLE(wxTaskBarIcon, wxEvtHandler) EVT_TASKBAR_LEFT_DCLICK (wxTaskBarIcon::_OnLButtonDClick) EVT_TASKBAR_RIGHT_DCLICK (wxTaskBarIcon::_OnRButtonDClick) END_EVENT_TABLE() +#endif IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler) -#endif +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxTaskBarIconWindow: helper window +// ---------------------------------------------------------------------------- -wxTaskBarIcon::wxTaskBarIcon(void) +// NB: this class serves two purposes: +// 1. win32 needs a HWND associated with taskbar icon, this provides it +// 2. we need wxTopLevelWindow so that the app doesn't exit when +// last frame is closed but there still is a taskbar icon +class wxTaskBarIconWindow : public wxFrame { - m_hWnd = 0; - m_iconAdded = FALSE; +public: + wxTaskBarIconWindow(wxTaskBarIcon *icon) + : wxFrame(NULL, -1, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0), + m_icon(icon) + { + } + + WXLRESULT MSWWindowProc(WXUINT msg, + WXWPARAM wParam, WXLPARAM lParam) + { + if (msg == gs_msgRestartTaskbar || msg == gs_msgTaskbar) + { + return m_icon->WindowProc(msg, wParam, lParam); + } + else + { + return wxFrame::MSWWindowProc(msg, wParam, lParam); + } + } - AddObject(this); +private: + wxTaskBarIcon *m_icon; +}; - if (RegisterWindowClass()) - m_hWnd = CreateTaskBarWindow(); -} + +// ---------------------------------------------------------------------------- +// NotifyIconData: wrapper around NOTIFYICONDATA +// ---------------------------------------------------------------------------- -wxTaskBarIcon::~wxTaskBarIcon(void) +struct NotifyIconData : public NOTIFYICONDATA { - RemoveObject(this); + NotifyIconData(WXHWND hwnd) + { + memset(this, 0, sizeof(NOTIFYICONDATA)); + cbSize = sizeof(NOTIFYICONDATA); + hWnd = (HWND) hwnd; + uCallbackMessage = gs_msgTaskbar; + uFlags = NIF_MESSAGE; + + // we use the same id for all taskbar icons as we don't need it to + // distinguish between them + uID = 99; + } +}; + +// ---------------------------------------------------------------------------- +// wxTaskBarIcon +// ---------------------------------------------------------------------------- +wxTaskBarIcon::wxTaskBarIcon() +{ + m_win = NULL; + m_iconAdded = false; + RegisterWindowMessages(); +} + +wxTaskBarIcon::~wxTaskBarIcon() +{ if (m_iconAdded) - { RemoveIcon(); - } - if (m_hWnd) - { - ::DestroyWindow((HWND) m_hWnd); - m_hWnd = 0; - } + if (m_win) + m_win->Destroy(); } // Operations bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip) { - if (!IsOK()) - return FALSE; + // NB: we have to create the window lazily because of backward compatiblity, + // old aplications may create wxTaskBarIcon instance before wxApp + // is initialized (as samples/taskbar used to do) + if (!m_win) + { + m_win = new wxTaskBarIconWindow(this); + } - NOTIFYICONDATA notifyData; + m_icon = icon; + m_strTooltip = tooltip; - memset(¬ifyData, 0, sizeof(notifyData)); - notifyData.cbSize = sizeof(notifyData); - notifyData.hWnd = (HWND) m_hWnd; - notifyData.uCallbackMessage = sm_taskbarMsg; - notifyData.uFlags = NIF_MESSAGE ; - if (icon.Ok()) + NotifyIconData notifyData((HWND)m_win->GetHWND()); + + if (icon.Ok()) { - notifyData.uFlags |= NIF_ICON; - notifyData.hIcon = (HICON) icon.GetHICON(); + notifyData.uFlags |= NIF_ICON; + notifyData.hIcon = GetHiconOf(icon); } - if (((const wxChar*) tooltip != NULL) && (tooltip != wxT(""))) + if ( !tooltip.empty() ) { - notifyData.uFlags |= NIF_TIP ; - lstrcpyn(notifyData.szTip, WXSTRINGCAST tooltip, sizeof(notifyData.szTip)); + notifyData.uFlags |= NIF_TIP; +// lstrcpyn(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip)); + wxStrncpy(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip)); } - notifyData.uID = 99; + bool ok = Shell_NotifyIcon(m_iconAdded ? NIM_MODIFY + : NIM_ADD, ¬ifyData) != 0; - if (m_iconAdded) - return (Shell_NotifyIcon(NIM_MODIFY, & notifyData) != 0); - else - { - m_iconAdded = (Shell_NotifyIcon(NIM_ADD, & notifyData) != 0); - return m_iconAdded; - } + if ( !m_iconAdded && ok ) + m_iconAdded = true; + + return ok; } -bool wxTaskBarIcon::RemoveIcon(void) +bool wxTaskBarIcon::RemoveIcon() { if (!m_iconAdded) - return FALSE; + return false; - NOTIFYICONDATA notifyData; + m_iconAdded = false; - memset(¬ifyData, 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; + NotifyIconData notifyData((HWND)m_win->GetHWND()); - return (Shell_NotifyIcon(NIM_DELETE, & notifyData) != 0); + return Shell_NotifyIcon(NIM_DELETE, ¬ifyData) != 0; } -bool wxTaskBarIcon::PopupMenu(wxMenu *menu) //, int x, int y); +bool wxTaskBarIcon::PopupMenu(wxMenu *menu) { - // OK, so I know this isn't thread-friendly, but - // what to do? We need this check. + wxASSERT_MSG( m_win != NULL, _T("taskbar icon not initialized") ); - static bool s_inPopup = FALSE; + static bool s_inPopup = false; if (s_inPopup) - return FALSE; + return false; - s_inPopup = TRUE; + 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); + m_win->Move(x, y); + + m_win->PushEventHandler(this); menu->UpdateUI(); - rval = win->PopupMenu(menu, 0, 0); - - win->PopEventHandler(FALSE); - win->Destroy(); - delete win; + // Work around a WIN32 bug + ::SetForegroundWindow((HWND)m_win->GetHWND()); - s_inPopup = FALSE; + bool rval = m_win->PopupMenu(menu, 0, 0); - return rval; -} + // Work around a WIN32 bug + ::PostMessage((HWND)m_win->GetHWND(), WM_NULL, 0, 0L); + m_win->PopEventHandler(false); -// Overridables -void wxTaskBarIcon::OnMouseMove(wxEvent&) -{ -} + s_inPopup = false; -void wxTaskBarIcon::OnLButtonDown(wxEvent&) -{ -} - -void wxTaskBarIcon::OnLButtonUp(wxEvent&) -{ -} - -void wxTaskBarIcon::OnRButtonDown(wxEvent&) -{ -} - -void wxTaskBarIcon::OnRButtonUp(wxEvent&) -{ -} - -void wxTaskBarIcon::OnLButtonDClick(wxEvent&) -{ + return rval; } -void wxTaskBarIcon::OnRButtonDClick(wxEvent&) -{ -} +#if WXWIN_COMPATIBILITY_2_4 +// 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); } @@ -231,143 +246,85 @@ 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); } +#endif - -wxTaskBarIcon* wxTaskBarIcon::FindObjectForHWND(WXHWND hWnd) +void wxTaskBarIcon::RegisterWindowMessages() { - wxNode*node = sm_taskBarIcons.First(); - while (node) - { - wxTaskBarIcon* obj = (wxTaskBarIcon*) node->Data(); - if (obj->GetHWND() == hWnd) - return obj; - node = node->Next(); - } - return NULL; -} + static bool s_registered = false; -void wxTaskBarIcon::AddObject(wxTaskBarIcon* obj) -{ - sm_taskBarIcons.Append(obj); -} + if ( !s_registered ) + { + // Taskbar restart msg will be sent to us if the icon needs to be redrawn + gs_msgRestartTaskbar = RegisterWindowMessage(wxT("TaskbarCreated")); -void wxTaskBarIcon::RemoveObject(wxTaskBarIcon* obj) -{ - sm_taskBarIcons.DeleteObject(obj); -} + // Also register the taskbar message here + gs_msgTaskbar = ::RegisterWindowMessage(wxT("wxTaskBarIconMessage")); -bool wxTaskBarIcon::RegisterWindowClass() -{ - if (sm_registeredClass) - return TRUE; - - // Also register the taskbar message here - sm_taskbarMsg = ::RegisterWindowMessage(wxT("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) ); + s_registered = true; + } } -WXHWND wxTaskBarIcon::CreateTaskBarWindow() -{ - HINSTANCE hInstance = GetModuleHandle(NULL); - - HWND hWnd = CreateWindowEx (0, wxTaskBarWindowClass, - wxT("wxTaskBarWindow"), - WS_OVERLAPPED, - 0, - 0, - 10, - 10, - NULL, - (HMENU) 0, - hInstance, - NULL); - - return (WXHWND) hWnd; -} +// ---------------------------------------------------------------------------- +// wxTaskBarIcon window proc +// ---------------------------------------------------------------------------- -long wxTaskBarIcon::WindowProc( WXHWND hWnd, unsigned int msg, unsigned int wParam, long lParam ) +long wxTaskBarIcon::WindowProc(unsigned int msg, + unsigned int WXUNUSED(wParam), + long lParam) { wxEventType eventType = 0; - if (msg != sm_taskbarMsg) - return DefWindowProc((HWND) hWnd, msg, wParam, lParam); + if (msg == gs_msgRestartTaskbar) // does the icon need to be redrawn? + { + m_iconAdded = false; + SetIcon(m_icon, m_strTooltip); + } + + // this function should only be called for gs_msg(Restart)Taskbar messages + wxASSERT(msg == gs_msgTaskbar); switch (lParam) { - case WM_LBUTTONDOWN: + case WM_LBUTTONDOWN: eventType = wxEVT_TASKBAR_LEFT_DOWN; break; - case WM_LBUTTONUP: + case WM_LBUTTONUP: eventType = wxEVT_TASKBAR_LEFT_UP; break; - case WM_RBUTTONDOWN: + case WM_RBUTTONDOWN: eventType = wxEVT_TASKBAR_RIGHT_DOWN; break; - case WM_RBUTTONUP: + case WM_RBUTTONUP: eventType = wxEVT_TASKBAR_RIGHT_UP; break; - case WM_LBUTTONDBLCLK: + case WM_LBUTTONDBLCLK: eventType = wxEVT_TASKBAR_LEFT_DCLICK; break; - case WM_RBUTTONDBLCLK: + case WM_RBUTTONDBLCLK: eventType = wxEVT_TASKBAR_RIGHT_DCLICK; break; - case WM_MOUSEMOVE: + case WM_MOUSEMOVE: eventType = wxEVT_TASKBAR_MOVE; break; - default: + default: break; - } + } - if (eventType) { - wxEvent event; - event.SetEventType(eventType); - event.SetEventObject(this); + if (eventType) + { + wxTaskBarIconEvent event(eventType, 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); + return 0; } -#endif - // __WIN95__ +#endif // __WIN95__