X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/daf3246330c8ae7b4536cd1f6deef733a405cecd..593ac33e50ab0b01f6186773fa646104d410f365:/src/msw/filedlg.cpp diff --git a/src/msw/filedlg.cpp b/src/msw/filedlg.cpp index de26b29ef6..36e5f9c58b 100644 --- a/src/msw/filedlg.cpp +++ b/src/msw/filedlg.cpp @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "filedlg.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,7 +24,7 @@ #pragma hdrstop #endif -#if wxUSE_FILEDLG && !defined(__SMARTPHONE__) +#if wxUSE_FILEDLG && !(defined(__SMARTPHONE__) && defined(__WXWINCE__)) #ifndef WX_PRECOMP #include "wx/utils.h" @@ -40,22 +36,16 @@ #include "wx/app.h" #endif -#include "wx/msw/private.h" +#include "wx/msw/wrapcdlg.h" -#if !defined(__WIN32__) || defined(__WXWINCE__) - #include -#endif - -#include #include #include #include "wx/filename.h" #include "wx/tokenzr.h" +#include "wx/math.h" -#ifndef OFN_EXPLORER - #define OFN_EXPLORER 0x00080000 -#endif +#include "wx/msw/missing.h" // ---------------------------------------------------------------------------- // constants @@ -71,12 +61,64 @@ # define wxMAXEXT 5 +// ---------------------------------------------------------------------------- +// globals +// ---------------------------------------------------------------------------- + +// standard dialog size +static wxRect gs_rectDialog(0, 0, 428, 266); + // ============================================================================ // implementation // ============================================================================ IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase) +// ---------------------------------------------------------------------------- +// hook function for moving the dialog +// ---------------------------------------------------------------------------- + +UINT_PTR APIENTRY +wxFileDialogHookFunction(HWND hDlg, + UINT iMsg, + WPARAM WXUNUSED(wParam), + LPARAM lParam) +{ + switch ( iMsg ) + { + case WM_NOTIFY: + { + OFNOTIFY *pNotifyCode = wx_reinterpret_cast(OFNOTIFY *, lParam); + if ( pNotifyCode->hdr.code == CDN_INITDONE ) + { + // note that we need to move the parent window: hDlg is a + // child of it when OFN_EXPLORER is used + ::SetWindowPos + ( + ::GetParent(hDlg), + HWND_TOP, + gs_rectDialog.x, gs_rectDialog.y, + 0, 0, + SWP_NOZORDER | SWP_NOSIZE + ); + } + } + break; + + case WM_DESTROY: + // reuse the position used for the dialog the next time by default + // + // NB: at least under Windows 2003 this is useless as after the + // first time it's shown the dialog always remembers its size + // and position itself and ignores any later SetWindowPos calls + wxCopyRECTToRect(wxGetWindowRect(::GetParent(hDlg)), gs_rectDialog); + break; + } + + // do the default processing + return 0; +} + // ---------------------------------------------------------------------------- // wxFileDialog // ---------------------------------------------------------------------------- @@ -88,13 +130,22 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& wildCard, long style, const wxPoint& pos) - :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos) + : wxFileDialogBase(parent, message, defaultDir, defaultFileName, + wildCard, style, pos) { if ( ( m_dialogStyle & wxMULTIPLE ) && ( m_dialogStyle & wxSAVE ) ) m_dialogStyle &= ~wxMULTIPLE; -} + m_bMovedWindow = false; + + // Must set to zero, otherwise the wx routines won't size the window + // the second time you call the file dialog, because it thinks it is + // already at the requested size.. (when centering) + gs_rectDialog.x = + gs_rectDialog.y = 0; + +} void wxFileDialog::GetPaths(wxArrayString& paths) const { paths.Empty(); @@ -126,6 +177,92 @@ void wxFileDialog::SetPath(const wxString& path) m_fileName << _T('.') << ext; } +void wxFileDialog::DoGetPosition(int *x, int *y) const +{ + if ( x ) + *x = gs_rectDialog.x; + if ( y ) + *y = gs_rectDialog.y; +} + + +void wxFileDialog::DoGetSize(int *width, int *height) const +{ + if ( width ) + *width = gs_rectDialog.width; + if ( height ) + *height = gs_rectDialog.height; +} + +void wxFileDialog::DoMoveWindow(int x, int y, int WXUNUSED(w), int WXUNUSED(h)) +{ + m_bMovedWindow = true; + + gs_rectDialog.x = x; + gs_rectDialog.y = y; + + // size of the dialog can't be changed because the controls are not laid + // out correctly then +} + +// helper used below in ShowModal(): style is used to determine whether to show +// the "Save file" dialog (if it contains wxSAVE bit) or "Open file" one; +// returns true on success or false on failure in which case err is filled with +// the CDERR_XXX constant +static bool DoShowCommFileDialog(OPENFILENAME *of, long style, DWORD *err) +{ + if ( style & wxSAVE ? GetSaveFileName(of) : GetOpenFileName(of) ) + return true; + + if ( err ) + { +#ifdef __WXWINCE__ + // according to MSDN, CommDlgExtendedError() should work under CE as + // well but apparently in practice it doesn't (anybody has more + // details?) + *err = GetLastError(); +#else + *err = CommDlgExtendedError(); +#endif + } + + return false; +} + +// We want to use OPENFILENAME struct version 5 (Windows 2000/XP) but we don't +// know if the OPENFILENAME declared in the currently used headers is a V5 or +// V4 (smaller) one so we try to manually extend the struct in case it is the +// old one. +// +// We don't do this on Windows CE nor under Win64, however, as there are no +// compilers with old headers for these architectures +#if defined(__WXWINCE__) || defined(__WIN64__) + typedef OPENFILENAME wxOPENFILENAME; + + static const DWORD gs_ofStructSize = sizeof(OPENFILENAME); +#else // !__WXWINCE__ || __WIN64__ + #define wxTRY_SMALLER_OPENFILENAME + + struct wxOPENFILENAME : public OPENFILENAME + { + // fields added in Windows 2000/XP comdlg32.dll version + void *pVoid; + DWORD dw1; + DWORD dw2; + }; + + // hardcoded sizeof(OPENFILENAME) in the Platform SDK: we have to do it + // because sizeof(OPENFILENAME) in the headers we use when compiling the + // library could be less if _WIN32_WINNT is not >= 0x500 + static const DWORD wxOPENFILENAME_V5_SIZE = 88; + + // this is hardcoded sizeof(OPENFILENAME_NT4) from Platform SDK + static const DWORD wxOPENFILENAME_V4_SIZE = 76; + + // always try the new one first + static DWORD gs_ofStructSize = wxOPENFILENAME_V5_SIZE; +#endif // __WXWINCE__ || __WIN64__/!... + int wxFileDialog::ShowModal() { HWND hWnd = 0; @@ -149,6 +286,21 @@ int wxFileDialog::ShowModal() if ( m_dialogStyle & wxFILE_MUST_EXIST ) msw_flags |= OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST; + /* + If the window has been moved the programmer is probably + trying to center or position it. Thus we set the callback + or hook function so that we can actually adjust the position. + Without moving or centering the dlg, it will just stay + in the upper left of the frame, it does not center + automatically. + */ + if (m_bMovedWindow) // we need these flags. + { + msw_flags |= OFN_EXPLORER|OFN_ENABLEHOOK; +#ifndef __WXWINCE__ + msw_flags |= OFN_ENABLESIZING; +#endif + } if (m_dialogStyle & wxMULTIPLE ) { @@ -157,7 +309,8 @@ int wxFileDialog::ShowModal() } // if wxCHANGE_DIR flag is not given we shouldn't change the CWD which the - // standard dialog does by default + // standard dialog does by default (notice that under NT it does it anyhow, + // OFN_NOCHANGEDIR or not, see below) if ( !(m_dialogStyle & wxCHANGE_DIR) ) { msw_flags |= OFN_NOCHANGEDIR; @@ -168,31 +321,21 @@ int wxFileDialog::ShowModal() msw_flags |= OFN_OVERWRITEPROMPT; } - OPENFILENAME of; + wxOPENFILENAME of; wxZeroMemory(of); - // the OPENFILENAME struct has been extended in newer version of - // comcdlg32.dll, but as we don't use the extended fields anyhow, set - // the struct size to the old value - otherwise, the programs compiled - // with new headers will not work with the old libraries -#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0500) - of.lStructSize = sizeof(OPENFILENAME) - - (sizeof(void *) + 2*sizeof(DWORD)); -#else // old headers - of.lStructSize = sizeof(OPENFILENAME); -#endif - + of.lStructSize = gs_ofStructSize; of.hwndOwner = hWnd; of.lpstrTitle = WXSTRINGCAST m_message; of.lpstrFileTitle = titleBuffer; - of.nMaxFileTitle = wxMAXFILE + 1 + wxMAXEXT; // Windows 3.0 and 3.1 + of.nMaxFileTitle = wxMAXFILE + 1 + wxMAXEXT; // Convert forward slashes to backslashes (file selector doesn't like // forward slashes) and also squeeze multiple consecutive slashes into one // as it doesn't like two backslashes in a row neither - wxString dir; - size_t i, len = m_dir.length(); + wxString dir; + size_t i, len = m_dir.length(); dir.reserve(len); for ( i = 0; i < len; i++ ) { @@ -216,7 +359,7 @@ int wxFileDialog::ShowModal() if (i > 0) i++; else - break; + break; } // fall through @@ -229,6 +372,7 @@ int wxFileDialog::ShowModal() of.lpstrInitialDir = dir.c_str(); of.Flags = msw_flags; + of.lpfnHook = wxFileDialogHookFunction; wxArrayString wildDescriptions, wildFilters; @@ -264,35 +408,66 @@ int wxFileDialog::ShowModal() of.lpstrFile = fileNameBuffer; // holds returned filename of.nMaxFile = wxMAXPATH; - //== Execute FileDialog >>================================================= + // we must set the default extension because otherwise Windows would check + // for the existing of a wrong file with wxOVERWRITE_PROMPT (i.e. if the + // user types "foo" and the default extension is ".bar" we should force it + // to check for "foo.bar" existence and not "foo") + wxString defextBuffer; // we need it to be alive until GetSaveFileName()! + if (m_dialogStyle & wxSAVE) + { + const wxChar* extension = filterBuffer; + int maxFilter = (int)(of.nFilterIndex*2L) - 1; - bool success = (m_dialogStyle & wxSAVE ? GetSaveFileName(&of) - : GetOpenFileName(&of)) != 0; + for( int i = 0; i < maxFilter; i++ ) // get extension + extension = extension + wxStrlen( extension ) + 1; - DWORD errCode = CommDlgExtendedError(); + // use dummy name a to avoid assert in AppendExtension + defextBuffer = AppendExtension(wxT("a"), extension); + if (defextBuffer.StartsWith(wxT("a."))) + { + defextBuffer.Mid(2); + of.lpstrDefExt = defextBuffer.c_str(); + } + } -#ifdef __WIN32__ - if (!success && (errCode == CDERR_STRUCTSIZE)) + // store off before the standard windows dialog can possibly change it + const wxString cwdOrig = wxGetCwd(); + + //== Execute FileDialog >>================================================= + + DWORD errCode; + bool success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode); + +#ifdef wxTRY_SMALLER_OPENFILENAME + // the system might be too old to support the new version file dialog + // boxes, try with the old size + if ( !success && errCode == CDERR_STRUCTSIZE && + of.lStructSize != wxOPENFILENAME_V4_SIZE ) { - // The struct size has changed so try a smaller or bigger size + of.lStructSize = wxOPENFILENAME_V4_SIZE; - int oldStructSize = of.lStructSize; - of.lStructSize = oldStructSize - (sizeof(void *) + 2*sizeof(DWORD)); - success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0) - : (GetOpenFileName(&of) != 0); - errCode = CommDlgExtendedError(); + success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode); - if (!success && (errCode == CDERR_STRUCTSIZE)) + if ( success || !errCode ) { - of.lStructSize = oldStructSize + (sizeof(void *) + 2*sizeof(DWORD)); - success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0) - : (GetOpenFileName(&of) != 0); + // use this struct size for subsequent dialogs + gs_ofStructSize = of.lStructSize; } } -#endif // __WIN32__ +#endif // wxTRY_SMALLER_OPENFILENAME if ( success ) { + // GetOpenFileName will always change the current working directory on + // (according to MSDN) "Windows NT 4.0/2000/XP" because the flag + // OFN_NOCHANGEDIR has no effect. If the user did not specify + // wxCHANGE_DIR let's restore the current working directory to what it + // was before the dialog was shown. + if ( msw_flags & OFN_NOCHANGEDIR ) + { + wxSetWorkingDirectory(cwdOrig); + } + m_fileNames.Empty(); if ( ( m_dialogStyle & wxMULTIPLE ) && @@ -338,7 +513,7 @@ int wxFileDialog::ShowModal() m_filterIndex = (int)of.nFilterIndex - 1; - if ( !of.nFileExtension || + if ( !of.nFileExtension || (of.nFileExtension && fileNameBuffer[of.nFileExtension] == wxT('\0')) ) { // User has typed a filename without an extension: @@ -359,24 +534,23 @@ int wxFileDialog::ShowModal() m_dir = wxPathOnly(fileNameBuffer); } } +#ifdef __WXDEBUG__ else { // common dialog failed - why? -#ifdef __WXDEBUG__ - DWORD dwErr = CommDlgExtendedError(); - if ( dwErr != 0 ) + if ( errCode != 0 ) { - // this msg is only for developers + // this msg is only for developers so don't translate it wxLogError(wxT("Common dialog failed with error code %0lx."), - dwErr); + errCode); } //else: it was just cancelled -#endif } +#endif // __WXDEBUG__ return success ? wxID_OK : wxID_CANCEL; } -#endif // wxUSE_FILEDLG +#endif // wxUSE_FILEDLG && !(__SMARTPHONE__ && __WXWINCE__)