X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6f26f98eb58d08919e531b64cbe68a053eb5eaae..32cd189dfcfe96c41e32c3b9827bf67484c60b13:/src/msw/toplevel.cpp?ds=sidebyside diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp index 914f6fe15d..bdd1e301c4 100644 --- a/src/msw/toplevel.cpp +++ b/src/msw/toplevel.cpp @@ -24,9 +24,10 @@ #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" @@ -206,10 +207,19 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const #endif // next translate the individual flags - if ( style & wxMINIMIZE_BOX ) - msflags |= WS_MINIMIZEBOX; - if ( style & wxMAXIMIZE_BOX ) - msflags |= WS_MAXIMIZEBOX; + + // 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 wxFRAME_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() & wxFRAME_EX_CONTEXTHELP) ) + { + if ( style & wxMINIMIZE_BOX ) + msflags |= WS_MINIMIZEBOX; + if ( style & wxMAXIMIZE_BOX ) + msflags |= WS_MAXIMIZEBOX; + } #ifndef __WXWINCE__ if ( style & wxSYSTEM_MENU ) @@ -491,20 +501,9 @@ bool wxTopLevelWindowMSW::CreateFrame(const wxString& title, WXDWORD exflags; WXDWORD flags = MSWGetCreateWindowFlags(&exflags); - wxSize sz; - - if (IsAlwaysMaximized()) - { - sz = wxDefaultSize; - } - else - { - sz = size; - } - - bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags); + const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size; - return result; + return MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags); } bool wxTopLevelWindowMSW::Create(wxWindow *parent, @@ -593,10 +592,14 @@ bool wxTopLevelWindowMSW::Create(wxWindow *parent, MSWUpdateUIState(UIS_INITIALIZE); } + // 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 #if defined(__SMARTPHONE__) && defined(__WXWINCE__) SetRightMenu(); // to nothing for initialization @@ -681,6 +684,11 @@ bool wxTopLevelWindowMSW::Show(bool show) frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag()); #endif + // 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; } @@ -707,9 +715,15 @@ void wxTopLevelWindowMSW::Maximize(bool maximize) // it's shown, so return our size as it will be then in this case if ( maximize ) { - // unfortunately we don't know which display we're on yet so we - // have to use the default one - SetSize(wxGetClientDisplayRect().GetSize()); + // 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 } @@ -1029,6 +1043,52 @@ void wxTopLevelWindowMSW::RequestUserAttention(int flags) } } +// --------------------------------------------------------------------------- + +bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha) +{ + 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; + + 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; + } + + // 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); + + return pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) != 0; +} + +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 == wxWINDOWS_NT && ver_major >= 5); +} + // ---------------------------------------------------------------------------- // wxTopLevelWindow event handling // ----------------------------------------------------------------------------