X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6466d41e9454208a9b44a7fd2839d60179d2df82..e6d18909c9cb124feaab32966f2aa44c2f0b0617:/src/msw/taskbar.cpp diff --git a/src/msw/taskbar.cpp b/src/msw/taskbar.cpp index 45ec2c6dcc..52e05fee69 100644 --- a/src/msw/taskbar.cpp +++ b/src/msw/taskbar.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////// -// File: taskbar.cpp +// File: src/msw/taskbar.cpp // Purpose: Implements wxTaskBarIcon class for manipulating icons on // the Windows task bar. // Author: Julian Smart @@ -10,57 +10,31 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "taskbar.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_TASKBARICON + #ifndef WX_PRECOMP -#include "wx/defs.h" -#include "wx/window.h" -#include "wx/frame.h" -#include "wx/utils.h" -#include "wx/menu.h" + #include "wx/window.h" + #include "wx/frame.h" + #include "wx/utils.h" + #include "wx/menu.h" #endif -#if defined(__WIN95__) - -#include "wx/msw/private.h" -#include "wx/msw/winundef.h" +#include "wx/msw/wrapshl.h" #include #include "wx/taskbar.h" - -#ifdef __GNUWIN32_OLD__ - #include "wx/msw/gnuwin32/extra.h" -#endif - -#ifdef __WXWINCE__ - #include - #include -#endif +#include "wx/dynlib.h" // initialized on demand -UINT gs_msgTaskbar = 0; -UINT gs_msgRestartTaskbar = 0; - -#if WXWIN_COMPATIBILITY_2_4 -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() -#endif +static UINT gs_msgTaskbar = 0; +static UINT gs_msgRestartTaskbar = 0; IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler) @@ -69,6 +43,38 @@ IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler) // implementation // ============================================================================ +// wrapper around Shell_NotifyIcon(): this function is not present in Win95 +// shell32.dll so load it dynamically to allow programs using wxTaskBarIcon to +// start under this OS +static BOOL wxShellNotifyIcon(DWORD dwMessage, NOTIFYICONDATA *pData) +{ +#if wxUSE_DYNLIB_CLASS + typedef BOOL (WINAPI *Shell_NotifyIcon_t)(DWORD, NOTIFYICONDATA *); + + static Shell_NotifyIcon_t s_pfnShell_NotifyIcon = NULL; + static bool s_initialized = false; + if ( !s_initialized ) + { + s_initialized = true; + + wxLogNull noLog; + wxDynamicLibrary dllShell("shell32.dll"); + if ( dllShell.IsLoaded() ) + { + wxDL_INIT_FUNC_AW(s_pfn, Shell_NotifyIcon, dllShell); + } + + // NB: it's ok to destroy dllShell here, we link to shell32.dll + // implicitly so it won't be unloaded + } + + return s_pfnShell_NotifyIcon ? (*s_pfnShell_NotifyIcon)(dwMessage, pData) + : FALSE; +#else // !wxUSE_DYNLIB_CLASS + return Shell_NotifyIcon(dwMessage, pData); +#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS +} + // ---------------------------------------------------------------------------- // wxTaskBarIconWindow: helper window // ---------------------------------------------------------------------------- @@ -81,11 +87,11 @@ class wxTaskBarIconWindow : public wxFrame { public: wxTaskBarIconWindow(wxTaskBarIcon *icon) - : wxFrame(NULL, -1, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0), + : wxFrame(NULL, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0), m_icon(icon) { } - + WXLRESULT MSWWindowProc(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) { @@ -103,7 +109,7 @@ private: wxTaskBarIcon *m_icon; }; - + // ---------------------------------------------------------------------------- // NotifyIconData: wrapper around NOTIFYICONDATA // ---------------------------------------------------------------------------- @@ -147,8 +153,8 @@ wxTaskBarIcon::~wxTaskBarIcon() // Operations bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip) { - // NB: we have to create the window lazily because of backward compatiblity, - // old aplications may create wxTaskBarIcon instance before wxApp + // NB: we have to create the window lazily because of backward compatibility, + // old applications may create a wxTaskBarIcon instance before wxApp // is initialized (as samples/taskbar used to do) if (!m_win) { @@ -158,7 +164,7 @@ bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip) m_icon = icon; m_strTooltip = tooltip; - NotifyIconData notifyData((HWND)m_win->GetHWND()); + NotifyIconData notifyData(GetHwndOf(m_win)); if (icon.Ok()) { @@ -166,15 +172,16 @@ bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip) notifyData.hIcon = GetHiconOf(icon); } + // set NIF_TIP even for an empty tooltip: otherwise it would be impossible + // to remove an existing tooltip using this function + notifyData.uFlags |= NIF_TIP; if ( !tooltip.empty() ) { - notifyData.uFlags |= NIF_TIP; -// lstrcpyn(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip)); wxStrncpy(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip)); } - bool ok = Shell_NotifyIcon(m_iconAdded ? NIM_MODIFY - : NIM_ADD, ¬ifyData) != 0; + bool ok = wxShellNotifyIcon(m_iconAdded ? NIM_MODIFY + : NIM_ADD, ¬ifyData) != 0; if ( !m_iconAdded && ok ) m_iconAdded = true; @@ -189,11 +196,12 @@ bool wxTaskBarIcon::RemoveIcon() m_iconAdded = false; - NotifyIconData notifyData((HWND)m_win->GetHWND()); + NotifyIconData notifyData(GetHwndOf(m_win)); - return Shell_NotifyIcon(NIM_DELETE, ¬ifyData) != 0; + return wxShellNotifyIcon(NIM_DELETE, ¬ifyData) != 0; } +#if wxUSE_MENUS bool wxTaskBarIcon::PopupMenu(wxMenu *menu) { wxASSERT_MSG( m_win != NULL, _T("taskbar icon not initialized") ); @@ -209,18 +217,19 @@ bool wxTaskBarIcon::PopupMenu(wxMenu *menu) wxGetMousePosition(&x, &y); m_win->Move(x, y); - + m_win->PushEventHandler(this); menu->UpdateUI(); - // Work around a WIN32 bug - ::SetForegroundWindow((HWND)m_win->GetHWND()); + // the SetForegroundWindow() and PostMessage() calls are needed to work + // around Win32 bug with the popup menus shown for the notifications as + // documented at http://support.microsoft.com/kb/q135788/ + ::SetForegroundWindow(GetHwndOf(m_win)); bool rval = m_win->PopupMenu(menu, 0, 0); - // Work around a WIN32 bug - ::PostMessage((HWND)m_win->GetHWND(), WM_NULL, 0, 0L); + ::PostMessage(GetHwndOf(m_win), WM_NULL, 0, 0L); m_win->PopEventHandler(false); @@ -228,39 +237,14 @@ bool wxTaskBarIcon::PopupMenu(wxMenu *menu) return rval; } - -#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(wxTaskBarIconEvent& e) - { OnMouseMove(e); } -void wxTaskBarIcon::_OnLButtonDown(wxTaskBarIconEvent& e) - { OnLButtonDown(e); } -void wxTaskBarIcon::_OnLButtonUp(wxTaskBarIconEvent& e) - { OnLButtonUp(e); } -void wxTaskBarIcon::_OnRButtonDown(wxTaskBarIconEvent& e) - { OnRButtonDown(e); } -void wxTaskBarIcon::_OnRButtonUp(wxTaskBarIconEvent& e) - { OnRButtonUp(e); } -void wxTaskBarIcon::_OnLButtonDClick(wxTaskBarIconEvent& e) - { OnLButtonDClick(e); } -void wxTaskBarIcon::_OnRButtonDClick(wxTaskBarIconEvent& e) - { OnRButtonDClick(e); } -#endif +#endif // wxUSE_MENUS void wxTaskBarIcon::RegisterWindowMessages() { static bool s_registered = false; if ( !s_registered ) - { + { // Taskbar restart msg will be sent to us if the icon needs to be redrawn gs_msgRestartTaskbar = RegisterWindowMessage(wxT("TaskbarCreated")); @@ -334,4 +318,5 @@ long wxTaskBarIcon::WindowProc(unsigned int msg, return 0; } -#endif // __WIN95__ +#endif // wxUSE_TASKBARICON +