X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/14dd645ee16eb022afb19f35d0c8cfdf2d3cdee9..98225d0279de4d074d306b40683667670333be51:/src/msw/toplevel.cpp diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp index 2132b62467..faa55fe617 100644 --- a/src/msw/toplevel.cpp +++ b/src/msw/toplevel.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/toplevel.cpp +// Name: src/msw/toplevel.cpp // Purpose: implements wxTopLevelWindow for MSW // Author: Vadim Zeitlin // Modified by: // Created: 24.09.01 // RCS-ID: $Id$ // Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com) -// License: wxWindows license +// License: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "toplevel.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,16 +24,43 @@ #pragma hdrstop #endif +#include "wx/toplevel.h" + #ifndef WX_PRECOMP #include "wx/app.h" - #include "wx/toplevel.h" + #include "wx/dialog.h" #include "wx/string.h" #include "wx/log.h" #include "wx/intl.h" #include "wx/frame.h" + #include "wx/containr.h" // wxSetFocusToChild() + #include "wx/module.h" #endif //WX_PRECOMP +#include "wx/dynlib.h" + #include "wx/msw/private.h" +#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) + #include + #include + // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h + #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__) + #include + #endif +#endif + +#include "wx/msw/winundef.h" +#include "wx/msw/missing.h" + +#include "wx/display.h" + +#ifndef ICON_BIG + #define ICON_BIG 1 +#endif + +#ifndef ICON_SMALL + #define ICON_SMALL 0 +#endif // ---------------------------------------------------------------------------- // stubs for missing functions under MicroWindows @@ -45,42 +68,61 @@ #ifdef __WXMICROWIN__ -static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; } -static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; } +// static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; } +static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; } #endif // __WXMICROWIN__ +// NB: wxDlgProc must be defined here and not in dialog.cpp because the latter +// is not included by wxUniv build which does need wxDlgProc +LONG APIENTRY _EXPORT +wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam); + // ---------------------------------------------------------------------------- // globals // ---------------------------------------------------------------------------- -// list of all frames and modeless dialogs -wxWindowList wxModelessWindows; - -// the name of the default wxWindows class +// the name of the default wxWidgets class +#ifdef __WXWINCE__ +extern wxChar *wxCanvasClassName; +#else extern const wxChar *wxCanvasClassName; +#endif + +// ---------------------------------------------------------------------------- +// wxTLWHiddenParentModule: used to manage the hidden parent window (we need a +// module to ensure that the window is always deleted) +// ---------------------------------------------------------------------------- + +class wxTLWHiddenParentModule : public wxModule +{ +public: + // module init/finalize + virtual bool OnInit(); + virtual void OnExit(); + + // get the hidden window (creates on demand) + static HWND GetHWND(); + +private: + // the HWND of the hidden parent + static HWND ms_hwnd; + + // the class used to create it + static const wxChar *ms_className; + + DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule) +}; + +IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule) // ============================================================================ // wxTopLevelWindowMSW implementation // ============================================================================ -// Dialog window proc -LONG APIENTRY _EXPORT -wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXUNUSED(lParam)) -{ - if ( message == WM_INITDIALOG ) - { - // for this message, returning TRUE tells system to set focus to the - // first control in the dialog box - return TRUE; - } - else - { - // for all the other ones, FALSE means that we didn't process the - // message - return FALSE; - } -} +BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase) + EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate) +END_EVENT_TABLE() // ---------------------------------------------------------------------------- // wxTopLevelWindowMSW creation @@ -89,87 +131,251 @@ wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXU void wxTopLevelWindowMSW::Init() { m_iconized = - m_maximizeOnShow = FALSE; + m_maximizeOnShow = false; - // unlike (almost?) all other windows, frames are created hidden - m_isShown = FALSE; + // Data to save/restore when calling ShowFullScreen + m_fsStyle = 0; + m_fsOldWindowStyle = 0; + m_fsIsMaximized = false; + m_fsIsShowing = false; + + m_winLastFocused = (wxWindow *)NULL; + +#if defined(__SMARTPHONE__) && defined(__WXWINCE__) + m_MenuBarHWND = 0; +#endif + +#if defined(__SMARTPHONE__) || defined(__POCKETPC__) + SHACTIVATEINFO* info = new SHACTIVATEINFO; + wxZeroMemory(*info); + info->cbSize = sizeof(SHACTIVATEINFO); + + m_activateInfo = (void*) info; +#endif } -long wxTopLevelWindowMSW::MSWGetCreateWindowFlags(long *exflags) const +WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const { - long style = GetWindowStyle(); - long msflags = 0; + // let the base class deal with the common styles but fix the ones which + // don't make sense for us (we also deal with the borders ourselves) + WXDWORD msflags = wxWindow::MSWGetStyle + ( + (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags + ) & ~WS_CHILD & ~WS_VISIBLE; + + // For some reason, WS_VISIBLE needs to be defined on creation for + // SmartPhone 2003. The title can fail to be displayed otherwise. +#if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400) + msflags |= WS_VISIBLE; + ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true); +#endif // first select the kind of window being created + // + // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and + // creates a window with both caption and border, hence we need to use + // WS_POPUP in a few cases just to avoid having caption/border which we + // don't want + + // border and caption styles + if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized()) + msflags |= WS_THICKFRAME; + else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) ) + *exflags |= WS_EX_DLGMODALFRAME; + else if ( !(style & wxBORDER_NONE) ) + msflags |= WS_BORDER; +#ifndef __POCKETPC__ + else + msflags |= WS_POPUP; +#endif + + // normally we consider that all windows without a caption must be popups, + // but CE is an exception: there windows normally do not have the caption + // but shouldn't be made popups as popups can't have menus and don't look + // like normal windows anyhow + + // TODO: Smartphone appears to like wxCAPTION, but we should check that + // we need it. +#if defined(__SMARTPHONE__) || !defined(__WXWINCE__) if ( style & wxCAPTION ) - { - if ( style & wxFRAME_TOOL_WINDOW ) - msflags |= WS_POPUPWINDOW; - else - msflags |= WS_OVERLAPPED; - } + msflags |= WS_CAPTION; +#ifndef __WXWINCE__ else - { msflags |= WS_POPUP; - } +#endif // !__WXWINCE__ +#endif // next translate the individual flags - if ( style & wxMINIMIZE_BOX ) - msflags |= WS_MINIMIZEBOX; - if ( style & wxMAXIMIZE_BOX ) - msflags |= WS_MAXIMIZEBOX; - if ( style & wxTHICK_FRAME ) - msflags |= WS_THICKFRAME; - if ( style & wxSYSTEM_MENU ) + + // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX + // and is ignored if we specify both of them, but chances are that if we + // use wxWS_EX_CONTEXTHELP, we really do want to have the context help + // button while wxMINIMIZE/wxMAXIMIZE are included by default, so the help + // takes precedence + if ( !(GetExtraStyle() & wxWS_EX_CONTEXTHELP) ) + { + if ( style & wxMINIMIZE_BOX ) + msflags |= WS_MINIMIZEBOX; + if ( style & wxMAXIMIZE_BOX ) + msflags |= WS_MAXIMIZEBOX; + } + +#ifndef __WXWINCE__ + // notice that if wxCLOSE_BOX is specified we need to use WS_SYSMENU too as + // otherwise the close box doesn't appear + if ( style & (wxSYSTEM_MENU | wxCLOSE_BOX) ) msflags |= WS_SYSMENU; +#endif // !__WXWINCE__ + + // NB: under CE these 2 styles are not supported currently, we should + // call Minimize()/Maximize() "manually" if we want to support them if ( style & wxMINIMIZE ) msflags |= WS_MINIMIZE; + if ( style & wxMAXIMIZE ) msflags |= WS_MAXIMIZE; - if ( style & wxCAPTION ) - msflags |= WS_CAPTION; - if ( style & wxCLIP_CHILDREN ) - msflags |= WS_CLIPCHILDREN; // Keep this here because it saves recoding this function in wxTinyFrame -#if wxUSE_ITSY_BITSY && !defined(__WIN32__) - if ( style & wxTINY_CAPTION_VERT ) - msflags |= IBS_VERTCAPTION; - if ( style & wxTINY_CAPTION_HORIZ ) - msflags |= IBS_HORZCAPTION; -#else if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) ) msflags |= WS_CAPTION; -#endif if ( exflags ) { - *exflags = MakeExtendedStyle(style); - - // make all frames appear in the win9x shell taskbar unless - // wxFRAME_TOOL_WINDOW or wxFRAME_NO_TASKBAR is given - without giving - // them WS_EX_APPWINDOW style, the child (i.e. owned) frames wouldn't - // appear in it -#if !defined(__WIN16__) && !defined(__SC__) - if ( (style & wxFRAME_TOOL_WINDOW) || (style & wxFRAME_NO_TASKBAR) ) - *exflags |= WS_EX_TOOLWINDOW; - else if ( !(style & wxFRAME_NO_TASKBAR) ) - *exflags |= WS_EX_APPWINDOW; -#endif + // there is no taskbar under CE, so omit all this +#if !defined(__WXWINCE__) + if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ) + { + if ( style & wxFRAME_TOOL_WINDOW ) + { + // create the palette-like window + *exflags |= WS_EX_TOOLWINDOW; + + // tool windows shouldn't appear on the taskbar (as documented) + style |= wxFRAME_NO_TASKBAR; + } + + // We have to solve 2 different problems here: + // + // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the + // taskbar even if they don't have a parent + // + // 2. frames without this style should appear in the taskbar even + // if they're owned (Windows only puts non owned windows into + // the taskbar normally) + // + // The second one is solved here by using WS_EX_APPWINDOW flag, the + // first one is dealt with in our MSWGetParent() method + // implementation + if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() ) + { + // need to force the frame to appear in the taskbar + *exflags |= WS_EX_APPWINDOW; + } + //else: nothing to do [here] + } + + if ( GetExtraStyle() & wxWS_EX_CONTEXTHELP ) + *exflags |= WS_EX_CONTEXTHELP; +#endif // !__WXWINCE__ if ( style & wxSTAY_ON_TOP ) *exflags |= WS_EX_TOPMOST; - -#ifdef __WIN32__ - if ( m_exStyle & wxFRAME_EX_CONTEXTHELP ) - *exflags |= WS_EX_CONTEXTHELP; -#endif // __WIN32__ } return msflags; } -bool wxTopLevelWindowMSW::CreateDialog(const wxChar *dlgTemplate, +WXHWND wxTopLevelWindowMSW::MSWGetParent() const +{ + // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL + // parent HWND or it would be always on top of its parent which is not what + // we usually want (in fact, we only want it for frames with the + // wxFRAME_FLOAT_ON_PARENT flag) + HWND hwndParent = NULL; + if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) ) + { + const wxWindow *parent = GetParent(); + + if ( !parent ) + { + // this flag doesn't make sense then and will be ignored + wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") ); + } + else + { + hwndParent = GetHwndOf(parent); + } + } + //else: don't float on parent, must not be owned + + // now deal with the 2nd taskbar-related problem (see comments above in + // MSWGetStyle()) + if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent ) + { + // use hidden parent + hwndParent = wxTLWHiddenParentModule::GetHWND(); + } + + return (WXHWND)hwndParent; +} + +#if defined(__SMARTPHONE__) || defined(__POCKETPC__) +bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam) +{ + SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo; + if ( info ) + { + SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info); + } + + return wxWindowMSW::HandleSettingChange(wParam, lParam); +} +#endif + +WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +{ + WXLRESULT rc = 0; + bool processed = false; + +#if defined(__SMARTPHONE__) || defined(__POCKETPC__) + switch ( message ) + { + case WM_ACTIVATE: + { + SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo; + if (info) + { + DWORD flags = 0; + if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG; + SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags); + } + + // This implicitly sends a wxEVT_ACTIVATE_APP event + if (wxTheApp) + wxTheApp->SetActive(wParam != 0, FindFocus()); + + break; + } + case WM_HIBERNATE: + { + if (wxTheApp) + { + wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY); + event.SetEventObject(wxTheApp); + processed = wxTheApp->ProcessEvent(event); + } + break; + } + } +#endif + + if ( !processed ) + rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam); + + return rc; +} + +bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate, const wxString& title, const wxPoint& pos, const wxSize& size) @@ -186,39 +392,43 @@ bool wxTopLevelWindowMSW::CreateDialog(const wxChar *dlgTemplate, if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) ) { parent = wxTheApp->GetTopWindow(); + + if ( parent ) + { + // don't use transient windows as parents, this is dangerous as it + // can lead to a crash if the parent is destroyed before the child + // + // also don't use the window which is currently hidden as then the + // dialog would be hidden as well + if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) || + !parent->IsShown() ) + { + parent = NULL; + } + } } - m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(), - dlgTemplate, - parent ? GetHwndOf(parent) : NULL, - (DLGPROC)wxDlgProc); + m_hWnd = (WXHWND)::CreateDialogIndirect + ( + wxGetInstance(), + (DLGTEMPLATE*)dlgTemplate, + parent ? GetHwndOf(parent) : NULL, + (DLGPROC)wxDlgProc + ); if ( !m_hWnd ) { - wxFAIL_MSG(_("Did you forget to include wx/msw/wx.rc in your resources?")); + wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?")); - wxLogSysError(_("Can't create dialog using template '%s'"), dlgTemplate); + wxLogSysError(wxT("Can't create dialog using memory template")); - return FALSE; + return false; } - long exflags; - (void)MSWGetCreateWindowFlags(&exflags); - - if ( exflags ) - { - ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags); - ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0, - SWP_NOSIZE | - SWP_NOMOVE | - SWP_NOZORDER | - SWP_NOACTIVATE); - } - -#if defined(__WIN95__) +#if !defined(__WXWINCE__) // For some reason, the system menu is activated when we use the // WS_EX_CONTEXTHELP style, so let's set a reasonable icon - if ( exflags & WS_EX_CONTEXTHELP ) + if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) ) { wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame); if ( winTop ) @@ -232,27 +442,41 @@ bool wxTopLevelWindowMSW::CreateDialog(const wxChar *dlgTemplate, } } } -#endif // __WIN95__ +#endif // !__WXWINCE__ // move the dialog to its initial position without forcing repainting int x, y, w, h; - if ( MSWGetCreateWindowCoords(pos, size, x, y, w, h) ) + (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h); + + if ( x == (int)CW_USEDEFAULT ) { - if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) ) - { - wxLogLastError(wxT("MoveWindow")); - } + // centre it on the screen - what else can we do? + wxSize sizeDpy = wxGetDisplaySize(); + + x = (sizeDpy.x - w) / 2; + y = (sizeDpy.y - h) / 2; + } + +#if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__) + if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) ) + { + wxLogLastError(wxT("MoveWindow")); } - //else: leave it at default position +#endif if ( !title.empty() ) { - ::SetWindowText(GetHwnd(), title); + ::SetWindowText(GetHwnd(), title.wx_str()); } SubclassWin(m_hWnd); - return TRUE; +#ifdef __SMARTPHONE__ + // Work around title non-display glitch + Show(false); +#endif + + return true; #endif // __WXMICROWIN__/!__WXMICROWIN__ } @@ -260,10 +484,17 @@ bool wxTopLevelWindowMSW::CreateFrame(const wxString& title, const wxPoint& pos, const wxSize& size) { - long exflags; - long flags = MSWGetCreateWindowFlags(&exflags); + WXDWORD exflags; + WXDWORD flags = MSWGetCreateWindowFlags(&exflags); - return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags); + const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size; + +#ifndef __WXWINCE__ + if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft ) + exflags |= WS_EX_LAYOUTRTL; +#endif + + return MSWCreate(wxCanvasClassName, title.wx_str(), pos, sz, flags, exflags); } bool wxTopLevelWindowMSW::Create(wxWindow *parent, @@ -274,14 +505,19 @@ bool wxTopLevelWindowMSW::Create(wxWindow *parent, long style, const wxString& name) { - // init our fields - Init(); + bool ret wxDUMMY_INITIALIZE(false); + + wxSize sizeReal = size; + if ( !sizeReal.IsFullySpecified() ) + { + sizeReal.SetDefaults(GetDefaultSize()); + } m_windowStyle = style; SetName(name); - m_windowId = id == -1 ? NewControlId() : id; + m_windowId = id == wxID_ANY ? NewControlId() : id; wxTopLevelWindows.Append(this); @@ -290,88 +526,107 @@ bool wxTopLevelWindowMSW::Create(wxWindow *parent, if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG ) { - // TODO: it would be better to construct the dialog template in memory - // during run-time than to rely on the limited number of - // templates in wx.rc because: - // a) you wouldn't have to include wx.rc in all wxWin programs - // (and the number of complaints about it would dtop) - // b) we'd be able to provide more templates simply, i.e. - // we could generate the templates for all style - // combinations - // we have different dialog templates to allows creation of dialogs // with & without captions under MSWindows, resizeable or not (but a // resizeable dialog always has caption - otherwise it would look too // strange) - const wxChar *dlgTemplate; - if ( style & wxRESIZE_BORDER ) - dlgTemplate = wxT("wxResizeableDialog"); - else if ( style & wxCAPTION ) - dlgTemplate = wxT("wxCaptionDialog"); - else - dlgTemplate = wxT("wxNoCaptionDialog"); - return CreateDialog(dlgTemplate, title, pos, size); + // we need 3 additional WORDs for dialog menu, class and title (as we + // don't use DS_SETFONT we don't need the fourth WORD for the font) + static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3); + DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize); + memset(dlgTemplate, 0, dlgsize); + + // these values are arbitrary, they won't be used normally anyhow + dlgTemplate->x = 34; + dlgTemplate->y = 22; + dlgTemplate->cx = 144; + dlgTemplate->cy = 75; + + // reuse the code in MSWGetStyle() but correct the results slightly for + // the dialog + // + // NB: we need a temporary variable as we can't pass pointer to + // dwExtendedStyle directly, it's not aligned correctly for 64 bit + // architectures + WXDWORD dwExtendedStyle; + dlgTemplate->style = MSWGetStyle(style, &dwExtendedStyle); + dlgTemplate->dwExtendedStyle = dwExtendedStyle; + + // all dialogs are popups + dlgTemplate->style |= WS_POPUP; + +#ifndef __WXWINCE__ + if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft ) + { + dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL; + } + + // force 3D-look if necessary, it looks impossibly ugly otherwise + if ( style & (wxRESIZE_BORDER | wxCAPTION) ) + dlgTemplate->style |= DS_MODALFRAME; +#endif + + ret = CreateDialog(dlgTemplate, title, pos, sizeReal); + free(dlgTemplate); } else // !dialog { - return CreateFrame(title, pos, size); + ret = CreateFrame(title, pos, sizeReal); } -} -wxTopLevelWindowMSW::~wxTopLevelWindowMSW() -{ - wxTopLevelWindows.DeleteObject(this); - - if ( wxModelessWindows.Find(this) ) - wxModelessWindows.DeleteObject(this); - - // If this is the last top-level window, exit. - if ( wxTheApp && (wxTopLevelWindows.Number() == 0) ) +#ifndef __WXWINCE__ + if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) ) { - wxTheApp->SetTopWindow(NULL); - - if ( wxTheApp->GetExitOnFrameDelete() ) - { - ::PostQuitMessage(0); - } + EnableCloseButton(false); } -} - -// ---------------------------------------------------------------------------- -// wxTopLevelWindowMSW geometry -// ---------------------------------------------------------------------------- +#endif -void wxTopLevelWindowMSW::DoSetClientSize(int width, int height) -{ - HWND hWnd = GetHwnd(); + // for standard dialogs the dialog manager generates WM_CHANGEUISTATE + // itself but for custom windows we have to do it ourselves in order to + // make the keyboard indicators (such as underlines for accelerators and + // focus rectangles) work under Win2k+ + if ( ret ) + { + MSWUpdateUIState(UIS_INITIALIZE); + } - RECT rectClient; - ::GetClientRect(hWnd, &rectClient); + // Note: if we include PocketPC in this test, dialogs can fail to show up, + // for example the text entry dialog in the dialogs sample. Problem with Maximise()? +#if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__)) + if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() ) + { + this->Maximize(); + } +#endif - RECT rectTotal; - ::GetWindowRect(hWnd, &rectTotal); +#if defined(__SMARTPHONE__) && defined(__WXWINCE__) + SetRightMenu(); // to nothing for initialization +#endif - // Find the difference between the entire window (title bar and all) - // and the client area; add this to the new client size to move the - // window - width += rectTotal.right - rectTotal.left - rectClient.right; - height += rectTotal.bottom - rectTotal.top - rectClient.bottom; + return ret; +} - // note that calling GetClientAreaOrigin() takes the toolbar into account - wxPoint pt = GetClientAreaOrigin(); - width += pt.x; - height += pt.y; +wxTopLevelWindowMSW::~wxTopLevelWindowMSW() +{ +#if defined(__SMARTPHONE__) || defined(__POCKETPC__) + SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo; + delete info; + m_activateInfo = NULL; +#endif - if ( !::MoveWindow(hWnd, rectTotal.left, rectTotal.top, - width, height, TRUE /* redraw */) ) + // after destroying an owned window, Windows activates the next top level + // window in Z order but it may be different from our owner (to reproduce + // this simply Alt-TAB to another application and back before closing the + // owned frame) whereas we always want to yield activation to our parent + if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) ) { - wxLogLastError(_T("MoveWindow")); + wxWindow *parent = GetParent(); + if ( parent ) + { + ::BringWindowToTop(GetHwndOf(parent)); + } } - - wxSizeEvent event(wxSize(width, height), m_windowId); - event.SetEventObject(this); - (void)GetEventHandler()->ProcessEvent(event); } // ---------------------------------------------------------------------------- @@ -389,7 +644,7 @@ bool wxTopLevelWindowMSW::Show(bool show) { // don't use wxWindow version as we want to call DoShowWindow() ourselves if ( !wxWindowBase::Show(show) ) - return FALSE; + return false; int nShowCmd; if ( show ) @@ -399,11 +654,23 @@ bool wxTopLevelWindowMSW::Show(bool show) // show and maximize nShowCmd = SW_MAXIMIZE; - m_maximizeOnShow = FALSE; + // This is necessary, or no window appears +#if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__) + DoShowWindow(SW_SHOW); +#endif + + m_maximizeOnShow = false; } else // just show { - nShowCmd = SW_SHOW; + // we shouldn't use SW_SHOW which also activates the window for + // tool frames (as they shouldn't steal focus from the main window) + // nor for the currently disabled windows as they would be enabled + // as a side effect + if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() ) + nShowCmd = SW_SHOWNA; + else + nShowCmd = SW_SHOW; } } else // hide @@ -413,26 +680,19 @@ bool wxTopLevelWindowMSW::Show(bool show) DoShowWindow(nShowCmd); - if ( show ) - { - ::BringWindowToTop(GetHwnd()); +#if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__)) + // Addornments have to be added when the frame is the correct size + wxFrame* frame = wxDynamicCast(this, wxFrame); + if (frame && frame->GetMenuBar()) + frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag()); +#endif - wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); - } - else // hide - { - // Try to highlight the correct window (the parent) - if ( GetParent() ) - { - HWND hWndParent = GetHwndOf(GetParent()); - if (hWndParent) - ::BringWindowToTop(hWndParent); - } - } + // we only set pending size if we're maximized before being shown, now that + // we're shown we don't need it any more (it is reset in size event handler + // for child windows but we have to do it ourselves for this parent window) + m_pendingSize = wxDefaultSize; - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -448,15 +708,38 @@ void wxTopLevelWindowMSW::Maximize(bool maximize) } else // hidden { - // we can't maximize the hidden frame because it shows it as well, so - // just remember that we should do it later in this case - m_maximizeOnShow = TRUE; + // we can't maximize the hidden frame because it shows it as well, + // so just remember that we should do it later in this case + m_maximizeOnShow = maximize; + + // after calling Maximize() the client code expects to get the frame + // "real" size and doesn't want to know that, because of implementation + // details, the frame isn't really maximized yet but will be only once + // it's shown, so return our size as it will be then in this case + if ( maximize ) + { + // we must only change pending size here, and not call SetSize() + // because otherwise Windows would think that this (full screen) + // size is the natural size for the frame and so would use it when + // the user clicks on "restore" title bar button instead of the + // correct initial frame size + // + // NB: unfortunately we don't know which display we're on yet so we + // have to use the default one + m_pendingSize = wxGetClientDisplayRect().GetSize(); + } + //else: can't do anything in this case, we don't have the old size } } bool wxTopLevelWindowMSW::IsMaximized() const { - return ::IsZoomed(GetHwnd()) != 0; + return IsAlwaysMaximized() || +#if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__) + + (::IsZoomed(GetHwnd()) != 0) || +#endif + m_maximizeOnShow; } void wxTopLevelWindowMSW::Iconize(bool iconize) @@ -466,10 +749,15 @@ void wxTopLevelWindowMSW::Iconize(bool iconize) bool wxTopLevelWindowMSW::IsIconized() const { - // also update the current state - ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0; - - return m_iconized; +#ifdef __WXWINCE__ + return false; +#else + // don't use m_iconized, it may be briefly out of sync with the real state + // as it's only modified when we receive a WM_SIZE and we could be called + // from an event handler from one of the messages we receive before it, + // such as WM_MOVE + return ::IsIconic(GetHwnd()) != 0; +#endif } void wxTopLevelWindowMSW::Restore() @@ -477,20 +765,604 @@ void wxTopLevelWindowMSW::Restore() DoShowWindow(SW_RESTORE); } +void wxTopLevelWindowMSW::SetLayoutDirection(wxLayoutDirection dir) +{ + if ( dir == wxLayout_Default ) + dir = wxTheApp->GetLayoutDirection(); + + if ( dir != wxLayout_Default ) + wxTopLevelWindowBase::SetLayoutDirection(dir); +} + +// ---------------------------------------------------------------------------- +// wxTopLevelWindowMSW geometry +// ---------------------------------------------------------------------------- + +#ifndef __WXWINCE__ + +void wxTopLevelWindowMSW::DoGetPosition(int *x, int *y) const +{ + if ( IsIconized() ) + { + WINDOWPLACEMENT wp; + wp.length = sizeof(WINDOWPLACEMENT); + if ( ::GetWindowPlacement(GetHwnd(), &wp) ) + { + RECT& rc = wp.rcNormalPosition; + + // the position returned by GetWindowPlacement() is in workspace + // coordinates except for windows with WS_EX_TOOLWINDOW style + if ( !HasFlag(wxFRAME_TOOL_WINDOW) ) + { + // we must use the correct display for the translation as the + // task bar might be shown on one display but not the other one + int n = wxDisplay::GetFromWindow(this); + wxDisplay dpy(n == wxNOT_FOUND ? 0 : n); + const wxPoint ptOfs = dpy.GetClientArea().GetPosition() - + dpy.GetGeometry().GetPosition(); + + rc.left += ptOfs.x; + rc.top += ptOfs.y; + } + + if ( x ) + *x = rc.left; + if ( y ) + *y = rc.top; + + return; + } + + wxLogLastError(_T("GetWindowPlacement")); + } + //else: normal case + + wxTopLevelWindowBase::DoGetPosition(x, y); +} + +void wxTopLevelWindowMSW::DoGetSize(int *width, int *height) const +{ + if ( IsIconized() ) + { + WINDOWPLACEMENT wp; + wp.length = sizeof(WINDOWPLACEMENT); + if ( ::GetWindowPlacement(GetHwnd(), &wp) ) + { + const RECT& rc = wp.rcNormalPosition; + + if ( width ) + *width = rc.right - rc.left; + if ( height ) + *height = rc.bottom - rc.top; + + return; + } + + wxLogLastError(_T("GetWindowPlacement")); + } + //else: normal case + + wxTopLevelWindowBase::DoGetSize(width, height); +} + +#endif // __WXWINCE__ + +// ---------------------------------------------------------------------------- +// wxTopLevelWindowMSW fullscreen +// ---------------------------------------------------------------------------- + +bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style) +{ + if ( show == IsFullScreen() ) + { + // nothing to do + return true; + } + + m_fsIsShowing = show; + + if ( show ) + { + m_fsStyle = style; + + // zap the frame borders + + // save the 'normal' window style + m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE); + + // save the old position, width & height, maximize state + m_fsOldSize = GetRect(); + m_fsIsMaximized = IsMaximized(); + + // decide which window style flags to turn off + LONG newStyle = m_fsOldWindowStyle; + LONG offFlags = 0; + + if (style & wxFULLSCREEN_NOBORDER) + { + offFlags |= WS_BORDER; +#ifndef __WXWINCE__ + offFlags |= WS_THICKFRAME; +#endif + } + if (style & wxFULLSCREEN_NOCAPTION) + offFlags |= WS_CAPTION | WS_SYSMENU; + + newStyle &= ~offFlags; + + // change our window style to be compatible with full-screen mode + ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle); + + wxRect rect; +#if wxUSE_DISPLAY + // resize to the size of the display containing us + int dpy = wxDisplay::GetFromWindow(this); + if ( dpy != wxNOT_FOUND ) + { + rect = wxDisplay(dpy).GetGeometry(); + } + else // fall back to the main desktop +#endif // wxUSE_DISPLAY + { + // resize to the size of the desktop + wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect); +#ifdef __WXWINCE__ + // FIXME: size of the bottom menu (toolbar) + // should be taken in account + rect.height += rect.y; + rect.y = 0; +#endif + } + + SetSize(rect); + + // now flush the window style cache and actually go full-screen + long flags = SWP_FRAMECHANGED; + + // showing the frame full screen should also show it if it's still + // hidden + if ( !IsShown() ) + { + // don't call wxWindow version to avoid flicker from calling + // ::ShowWindow() -- we're going to show the window at the correct + // location directly below -- but do call the wxWindowBase version + // to sync the internal m_isShown flag + wxWindowBase::Show(); + + flags |= SWP_SHOWWINDOW; + } + + SetWindowPos(GetHwnd(), HWND_TOP, + rect.x, rect.y, rect.width, rect.height, + flags); + +#if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400)) + ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON); +#endif + + // finally send an event allowing the window to relayout itself &c + wxSizeEvent event(rect.GetSize(), GetId()); + HandleWindowEvent(event); + } + else // stop showing full screen + { +#if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400)) + ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON); +#endif + Maximize(m_fsIsMaximized); + SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle); + SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y, + m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED); + } + + return true; +} + // ---------------------------------------------------------------------------- // wxTopLevelWindowMSW misc // ---------------------------------------------------------------------------- -void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon) +void wxTopLevelWindowMSW::SetTitle( const wxString& title) +{ + SetLabel(title); +} + +wxString wxTopLevelWindowMSW::GetTitle() const +{ + return GetLabel(); +} + +void wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons, + int smX, + int smY, + int i) +{ + const wxSize size(::GetSystemMetrics(smX), ::GetSystemMetrics(smY)); + + const wxIcon icon = icons.GetIconOfExactSize(size); + if ( icon.Ok() ) + { + ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon)); + } +} + +void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons) +{ + wxTopLevelWindowBase::SetIcons(icons); + + DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL); + DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG); +} + +bool wxTopLevelWindowMSW::EnableCloseButton(bool enable) +{ +#if !defined(__WXMICROWIN__) + // get system (a.k.a. window) menu + HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */); + if ( !hmenu ) + { + // no system menu at all -- ok if we want to remove the close button + // anyhow, but bad if we want to show it + return !enable; + } + + // enabling/disabling the close item from it also automatically + // disables/enables the close title bar button + if ( ::EnableMenuItem(hmenu, SC_CLOSE, + MF_BYCOMMAND | + (enable ? MF_ENABLED : MF_GRAYED)) == -1 ) + { + wxLogLastError(_T("EnableMenuItem(SC_CLOSE)")); + + return false; + } +#ifndef __WXWINCE__ + // update appearance immediately + if ( !::DrawMenuBar(GetHwnd()) ) + { + wxLogLastError(_T("DrawMenuBar")); + } +#endif +#endif // !__WXMICROWIN__ + + return true; +} + +#ifndef __WXWINCE__ + +bool wxTopLevelWindowMSW::SetShape(const wxRegion& region) { - // this sets m_icon - wxTopLevelWindowBase::SetIcon(icon); + wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false, + _T("Shaped windows must be created with the wxFRAME_SHAPED style.")); -#if defined(__WIN95__) && !defined(__WXMICROWIN__) - if ( m_icon.Ok() ) + // The empty region signifies that the shape should be removed from the + // window. + if ( region.IsEmpty() ) { - ::SendMessage(GetHwnd(), WM_SETICON, - (WPARAM)TRUE, (LPARAM)GetHiconOf(m_icon)); + if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0) + { + wxLogLastError(_T("SetWindowRgn")); + return false; + } + return true; } -#endif // __WIN95__ + + // Windows takes ownership of the region, so + // we'll have to make a copy of the region to give to it. + DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL); + RGNDATA *rgnData = (RGNDATA*) new char[noBytes]; + ::GetRegionData(GetHrgnOf(region), noBytes, rgnData); + HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData); + delete[] (char*) rgnData; + + // SetWindowRgn expects the region to be in coordinants + // relative to the window, not the client area. Figure + // out the offset, if any. + RECT rect; + DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE); + DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE); + ::GetClientRect(GetHwnd(), &rect); + ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle); + ::OffsetRgn(hrgn, -rect.left, -rect.top); + + // Now call the shape API with the new region. + if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0) + { + wxLogLastError(_T("SetWindowRgn")); + return false; + } + return true; +} + +#endif // !__WXWINCE__ + +void wxTopLevelWindowMSW::RequestUserAttention(int flags) +{ + // check if we can use FlashWindowEx(): unfortunately a simple test for + // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't + // provide FlashWindowEx() declaration, so try to detect whether we have + // real headers for WINVER 0x0500 by checking for existence of a symbol not + // declated in MSVC6 header +#if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS + // available in the headers, check if it is supported by the system + typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi); + static FlashWindowEx_t s_pfnFlashWindowEx = NULL; + if ( !s_pfnFlashWindowEx ) + { + wxDynamicLibrary dllUser32(_T("user32.dll")); + s_pfnFlashWindowEx = (FlashWindowEx_t) + dllUser32.GetSymbol(_T("FlashWindowEx")); + + // we can safely unload user32.dll here, it's going to remain loaded as + // long as the program is running anyhow + } + + if ( s_pfnFlashWindowEx ) + { + WinStruct fwi; + fwi.hwnd = GetHwnd(); + fwi.dwFlags = FLASHW_ALL; + if ( flags & wxUSER_ATTENTION_INFO ) + { + // just flash a few times + fwi.uCount = 3; + } + else // wxUSER_ATTENTION_ERROR + { + // flash until the user notices it + fwi.dwFlags |= FLASHW_TIMERNOFG; + } + + s_pfnFlashWindowEx(&fwi); + } + else // FlashWindowEx() not available +#endif // FlashWindowEx() defined + { + wxUnusedVar(flags); +#ifndef __WXWINCE__ + ::FlashWindow(GetHwnd(), TRUE); +#endif // __WXWINCE__ + } +} + +// --------------------------------------------------------------------------- + +bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha) +{ +#if wxUSE_DYNLIB_CLASS + typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD); + static PSETLAYEREDWINDOWATTR pSetLayeredWindowAttributes = NULL; + + if ( pSetLayeredWindowAttributes == NULL ) + { + wxDynamicLibrary dllUser32(_T("user32.dll")); + pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR) + dllUser32.GetSymbol(wxT("SetLayeredWindowAttributes")); + } + if ( pSetLayeredWindowAttributes == NULL ) + return false; +#endif // wxUSE_DYNLIB_CLASS + + LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE); + + // if setting alpha to fully opaque then turn off the layered style + if (alpha == 255) + { + SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED); + Refresh(); + return true; + } + +#if wxUSE_DYNLIB_CLASS + // Otherwise, set the layered style if needed and set the alpha value + if ((exstyle & WS_EX_LAYERED) == 0 ) + SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED); + + if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) ) + return true; +#endif // wxUSE_DYNLIB_CLASS + + return false; +} + +bool wxTopLevelWindowMSW::CanSetTransparent() +{ + // The API is available on win2k and above + + static int os_type = -1; + static int ver_major = -1; + + if (os_type == -1) + os_type = ::wxGetOsVersion(&ver_major); + + return (os_type == wxOS_WINDOWS_NT && ver_major >= 5); +} + + +void wxTopLevelWindowMSW::DoFreeze() +{ + // do nothing: freezing toplevel window causes paint and mouse events + // to go through it any TLWs under it, so the best we can do is to freeze + // all children -- and wxWindowBase::Freeze() does that +} + +void wxTopLevelWindowMSW::DoThaw() +{ + // intentionally empty -- see DoFreeze() +} + + +// ---------------------------------------------------------------------------- +// wxTopLevelWindow event handling +// ---------------------------------------------------------------------------- + +// Default activation behaviour - set the focus for the first child +// subwindow found. +void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event) +{ + if ( event.GetActive() ) + { + // restore focus to the child which was last focused unless we already + // have it + wxLogTrace(_T("focus"), _T("wxTLW %p activated."), m_hWnd); + + wxWindow *winFocus = FindFocus(); + if ( !winFocus || wxGetTopLevelParent(winFocus) != this ) + { + wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent() + : NULL; + if ( !parent ) + { + parent = this; + } + + wxSetFocusToChild(parent, &m_winLastFocused); + } + } + else // deactivating + { + // remember the last focused child if it is our child + m_winLastFocused = FindFocus(); + + if ( m_winLastFocused ) + { + // let it know that it doesn't have focus any more + // But this will already be done via WM_KILLFOCUS, so we'll get two kill + // focus events if we call it explicitly. + // m_winLastFocused->HandleKillFocus((WXHWND)NULL); + + // and don't remember it if it's a child from some other frame + if ( wxGetTopLevelParent(m_winLastFocused) != this ) + { + m_winLastFocused = NULL; + } + } + + wxLogTrace(_T("focus"), + _T("wxTLW %p deactivated, last focused: %p."), + m_hWnd, + m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL); + + event.Skip(); + } +} + +// the DialogProc for all wxWidgets dialogs +LONG APIENTRY _EXPORT +wxDlgProc(HWND hDlg, + UINT message, + WPARAM WXUNUSED(wParam), + LPARAM WXUNUSED(lParam)) +{ + switch ( message ) + { + case WM_INITDIALOG: + { + // under CE, add a "Ok" button in the dialog title bar and make it full + // screen + // + // TODO: find the window for this HWND, and take into account + // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present. + // + // Standard SDK doesn't have aygshell.dll: see + // include/wx/msw/wince/libraries.h +#if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__) + SHINITDLGINFO shidi; + shidi.dwMask = SHIDIM_FLAGS; + shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar +#ifndef __SMARTPHONE__ + | SHIDIF_DONEBUTTON +#endif + ; + shidi.hDlg = hDlg; + SHInitDialog( &shidi ); +#else // no SHInitDialog() + wxUnusedVar(hDlg); +#endif + // for WM_INITDIALOG, returning TRUE tells system to set focus to + // the first control in the dialog box, but as we set the focus + // ourselves, we return FALSE for it as well + return FALSE; + } + } + + // for almost all messages, returning FALSE means that we didn't process + // the message + return FALSE; +} + +// ============================================================================ +// wxTLWHiddenParentModule implementation +// ============================================================================ + +HWND wxTLWHiddenParentModule::ms_hwnd = NULL; + +const wxChar *wxTLWHiddenParentModule::ms_className = NULL; + +bool wxTLWHiddenParentModule::OnInit() +{ + ms_hwnd = NULL; + ms_className = NULL; + + return true; +} + +void wxTLWHiddenParentModule::OnExit() +{ + if ( ms_hwnd ) + { + if ( !::DestroyWindow(ms_hwnd) ) + { + wxLogLastError(_T("DestroyWindow(hidden TLW parent)")); + } + + ms_hwnd = NULL; + } + + if ( ms_className ) + { + if ( !::UnregisterClass(ms_className, wxGetInstance()) ) + { + wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")")); + } + + ms_className = NULL; + } +} + +/* static */ +HWND wxTLWHiddenParentModule::GetHWND() +{ + if ( !ms_hwnd ) + { + if ( !ms_className ) + { + static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent"); + + WNDCLASS wndclass; + wxZeroMemory(wndclass); + + wndclass.lpfnWndProc = DefWindowProc; + wndclass.hInstance = wxGetInstance(); + wndclass.lpszClassName = HIDDEN_PARENT_CLASS; + + if ( !::RegisterClass(&wndclass) ) + { + wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")")); + } + else + { + ms_className = HIDDEN_PARENT_CLASS; + } + } + + ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL, + (HMENU)NULL, wxGetInstance(), NULL); + if ( !ms_hwnd ) + { + wxLogLastError(_T("CreateWindow(hidden TLW parent)")); + } + } + + return ms_hwnd; }