--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwindowsdialoghelpers.h"
+
+#ifdef QT_WIDGETS_LIB
+
+#include "qwindowscontext.h"
+#include "qwindowswindow.h"
+
+#include <QtWidgets/QColorDialog>
+#include <QtWidgets/QFontDialog>
+#include <QtWidgets/QFileDialog>
+
+#include <QtGui/QGuiApplication>
+#include <QtGui/QColor>
+
+#include <QtCore/QDebug>
+#include <QtCore/QRegExp>
+#include <QtCore/QTimer>
+#include <QtCore/QDir>
+#include <QtCore/QScopedArrayPointer>
+#include <QtCore/QObject>
+#include <QtCore/QThread>
+#include <QtCore/private/qsystemlibrary_p.h>
+
+#include "qtwindows_additional.h"
+
+#define STRICT_TYPED_ITEMIDS
+#include <ShlObj.h>
+#include <Shlwapi.h>
+
+// #define USE_NATIVE_COLOR_DIALOG /* Testing purposes only */
+
+#ifdef Q_CC_MINGW /* Add missing declarations for MinGW */
+
+/* Constants obtained by running the below stream operator for
+ * CLSID, IID on the constants in the Windows SDK libraries. */
+
+static const IID IID_IFileOpenDialog = {0xd57c7288, 0xd4ad, 0x4768, {0xbe, 0x02, 0x9d, 0x96, 0x95, 0x32, 0xd9, 0x60}};
+static const IID IID_IFileSaveDialog = {0x84bccd23, 0x5fde, 0x4cdb,{0xae, 0xa4, 0xaf, 0x64, 0xb8, 0x3d, 0x78, 0xab}};
+static const IID IID_IShellItem = {0x43826d1e, 0xe718, 0x42ee, {0xbc, 0x55, 0xa1, 0xe2, 0x61, 0xc3, 0x7b, 0xfe}};
+static const IID IID_IFileDialogEvents = {0x973510db, 0x7d7f, 0x452b,{0x89, 0x75, 0x74, 0xa8, 0x58, 0x28, 0xd3, 0x54}};
+static const CLSID CLSID_FileOpenDialog = {0xdc1c5a9c, 0xe88a, 0x4dde, {0xa5, 0xa1, 0x60, 0xf8, 0x2a, 0x20, 0xae, 0xf7}};
+static const CLSID CLSID_FileSaveDialog = {0xc0b4e2f3, 0xba21, 0x4773,{0x8d, 0xba, 0x33, 0x5e, 0xc9, 0x46, 0xeb, 0x8b}};
+
+typedef struct _COMDLG_FILTERSPEC
+{
+ LPCWSTR pszName;
+ LPCWSTR pszSpec;
+} COMDLG_FILTERSPEC;
+
+
+#define FOS_OVERWRITEPROMPT 0x2
+#define FOS_STRICTFILETYPES 0x4
+#define FOS_NOCHANGEDIR 0x8
+#define FOS_PICKFOLDERS 0x20
+#define FOS_FORCEFILESYSTEM 0x40
+#define FOS_ALLNONSTORAGEITEMS 0x80
+#define FOS_NOVALIDATE 0x100
+#define FOS_ALLOWMULTISELECT 0x200
+#define FOS_PATHMUSTEXIST 0x800
+#define FOS_FILEMUSTEXIST 0x1000
+#define FOS_CREATEPROMPT 0x2000
+#define FOS_SHAREAWARE 0x4000
+#define FOS_NOREADONLYRETURN 0x8000
+#define FOS_NOTESTFILECREATE 0x10000
+#define FOS_HIDEMRUPLACES 0x20000
+#define FOS_HIDEPINNEDPLACES 0x40000
+#define FOS_NODEREFERENCELINKS 0x100000
+#define FOS_DONTADDTORECENT 0x2000000
+#define FOS_FORCESHOWHIDDEN 0x10000000
+#define FOS_DEFAULTNOMINIMODE 0x20000000
+#define FOS_FORCEPREVIEWPANEON 0x40000000
+
+typedef int GETPROPERTYSTOREFLAGS;
+#define GPS_DEFAULT 0x00000000
+#define GPS_HANDLERPROPERTIESONLY 0x00000001
+#define GPS_READWRITE 0x00000002
+#define GPS_TEMPORARY 0x00000004
+#define GPS_FASTPROPERTIESONLY 0x00000008
+#define GPS_OPENSLOWITEM 0x00000010
+#define GPS_DELAYCREATION 0x00000020
+#define GPS_BESTEFFORT 0x00000040
+#define GPS_MASK_VALID 0x0000007F
+
+typedef int (QT_WIN_CALLBACK* BFFCALLBACK)(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData);
+// message from browser
+#define BFFM_INITIALIZED 1
+#define BFFM_SELCHANGED 2
+#define BFFM_ENABLEOK (WM_USER + 101)
+// Browsing for directory.
+#define BIF_NONEWFOLDERBUTTON 0x0200
+#define BIF_NOTRANSLATETARGETS 0x0400
+#define BIF_BROWSEFORCOMPUTER 0x1000
+#define BIF_BROWSEFORPRINTER 0x2000
+#define BIF_BROWSEINCLUDEFILES 0x4000
+#define BIF_SHAREABLE 0x8000
+
+//the enums
+typedef enum {
+ SIATTRIBFLAGS_AND = 0x1,
+ SIATTRIBFLAGS_OR = 0x2,
+ SIATTRIBFLAGS_APPCOMPAT = 0x3,
+ SIATTRIBFLAGS_MASK = 0x3
+} SIATTRIBFLAGS;
+typedef enum {
+ SIGDN_NORMALDISPLAY = 0x00000000,
+ SIGDN_PARENTRELATIVEPARSING = 0x80018001,
+ SIGDN_PARENTRELATIVEFORADDRESSBAR = 0x8001c001,
+ SIGDN_DESKTOPABSOLUTEPARSING = 0x80028000,
+ SIGDN_PARENTRELATIVEEDITING = 0x80031001,
+ SIGDN_DESKTOPABSOLUTEEDITING = 0x8004c000,
+ SIGDN_FILESYSPATH = 0x80058000,
+ SIGDN_URL = 0x80068000
+} SIGDN;
+typedef enum {
+ FDAP_BOTTOM = 0x00000000,
+ FDAP_TOP = 0x00000001
+} FDAP;
+typedef enum {
+ FDESVR_DEFAULT = 0x00000000,
+ FDESVR_ACCEPT = 0x00000001,
+ FDESVR_REFUSE = 0x00000002
+} FDE_SHAREVIOLATION_RESPONSE;
+typedef FDE_SHAREVIOLATION_RESPONSE FDE_OVERWRITE_RESPONSE;
+
+//the structs
+typedef struct {
+ LPCWSTR pszName;
+ LPCWSTR pszSpec;
+} qt_COMDLG_FILTERSPEC;
+typedef struct {
+ GUID fmtid;
+ DWORD pid;
+} qt_PROPERTYKEY;
+
+typedef struct {
+ USHORT cb;
+ BYTE abID[1];
+} qt_SHITEMID, *qt_LPSHITEMID;
+typedef struct {
+ qt_SHITEMID mkid;
+} qt_ITEMIDLIST, *qt_LPITEMIDLIST;
+typedef const qt_ITEMIDLIST *qt_LPCITEMIDLIST;
+typedef struct {
+ HWND hwndOwner;
+ qt_LPCITEMIDLIST pidlRoot;
+ LPWSTR pszDisplayName;
+ LPCWSTR lpszTitle;
+ UINT ulFlags;
+ BFFCALLBACK lpfn;
+ LPARAM lParam;
+ int iImage;
+} qt_BROWSEINFO;
+
+DECLARE_INTERFACE(IFileDialogEvents);
+
+DECLARE_INTERFACE_(IShellItem, IUnknown)
+{
+ STDMETHOD(BindToHandler)(THIS_ IBindCtx *pbc, REFGUID bhid, REFIID riid, void **ppv) PURE;
+ STDMETHOD(GetParent)(THIS_ IShellItem **ppsi) PURE;
+ STDMETHOD(GetDisplayName)(THIS_ SIGDN sigdnName, LPWSTR *ppszName) PURE;
+ STDMETHOD(GetAttributes)(THIS_ ULONG sfgaoMask, ULONG *psfgaoAttribs) PURE;
+ STDMETHOD(Compare)(THIS_ IShellItem *psi, DWORD hint, int *piOrder) PURE;
+};
+
+DECLARE_INTERFACE_(IShellItemFilter, IUnknown)
+{
+ STDMETHOD(IncludeItem)(THIS_ IShellItem *psi) PURE;
+ STDMETHOD(GetEnumFlagsForItem)(THIS_ IShellItem *psi, DWORD *pgrfFlags) PURE;
+};
+
+DECLARE_INTERFACE_(IEnumShellItems, IUnknown)
+{
+ STDMETHOD(Next)(THIS_ ULONG celt, IShellItem **rgelt, ULONG *pceltFetched) PURE;
+ STDMETHOD(Skip)(THIS_ ULONG celt) PURE;
+ STDMETHOD(Reset)(THIS_) PURE;
+ STDMETHOD(Clone)(THIS_ IEnumShellItems **ppenum) PURE;
+};
+
+DECLARE_INTERFACE_(IShellItemArray, IUnknown)
+{
+ STDMETHOD(BindToHandler)(THIS_ IBindCtx *pbc, REFGUID rbhid, REFIID riid, void **ppvOut) PURE;
+ STDMETHOD(GetPropertyStore)(THIS_ GETPROPERTYSTOREFLAGS flags, REFIID riid, void **ppv) PURE;
+ STDMETHOD(GetPropertyDescriptionList)(THIS_ const qt_PROPERTYKEY *keyType, REFIID riid, void **ppv) PURE;
+ STDMETHOD(GetAttributes)(THIS_ SIATTRIBFLAGS dwAttribFlags, ULONG sfgaoMask, ULONG *psfgaoAttribs) PURE;
+ STDMETHOD(GetCount)(THIS_ DWORD *pdwNumItems) PURE;
+ STDMETHOD(GetItemAt)(THIS_ DWORD dwIndex, IShellItem **ppsi) PURE;
+ STDMETHOD(EnumItems)(THIS_ IEnumShellItems **ppenumShellItems) PURE;
+};
+
+DECLARE_INTERFACE_(IModalWindow, IUnknown)
+{
+ STDMETHOD(Show)(THIS_ HWND hwndParent) PURE;
+};
+
+DECLARE_INTERFACE_(IFileDialog, IModalWindow)
+{
+ STDMETHOD(SetFileTypes)(THIS_ UINT cFileTypes, const COMDLG_FILTERSPEC *rgFilterSpec) PURE;
+ STDMETHOD(SetFileTypeIndex)(THIS_ UINT iFileType) PURE;
+ STDMETHOD(GetFileTypeIndex)(THIS_ UINT *piFileType) PURE;
+ STDMETHOD(Advise)(THIS_ IFileDialogEvents *pfde, DWORD *pdwCookie) PURE;
+ STDMETHOD(Unadvise)(THIS_ DWORD dwCookie) PURE;
+ STDMETHOD(SetOptions)(THIS_ DWORD fos) PURE;
+ STDMETHOD(GetOptions)(THIS_ DWORD *pfos) PURE;
+ STDMETHOD(SetDefaultFolder)(THIS_ IShellItem *psi) PURE;
+ STDMETHOD(SetFolder)(THIS_ IShellItem *psi) PURE;
+ STDMETHOD(GetFolder)(THIS_ IShellItem **ppsi) PURE;
+ STDMETHOD(GetCurrentSelection)(THIS_ IShellItem **ppsi) PURE;
+ STDMETHOD(SetFileName)(THIS_ LPCWSTR pszName) PURE;
+ STDMETHOD(GetFileName)(THIS_ LPWSTR *pszName) PURE;
+ STDMETHOD(SetTitle)(THIS_ LPCWSTR pszTitle) PURE;
+ STDMETHOD(SetOkButtonLabel)(THIS_ LPCWSTR pszText) PURE;
+ STDMETHOD(SetFileNameLabel)(THIS_ LPCWSTR pszLabel) PURE;
+ STDMETHOD(GetResult)(THIS_ IShellItem **ppsi) PURE;
+ STDMETHOD(AddPlace)(THIS_ IShellItem *psi, FDAP fdap) PURE;
+ STDMETHOD(SetDefaultExtension)(THIS_ LPCWSTR pszDefaultExtension) PURE;
+ STDMETHOD(Close)(THIS_ HRESULT hr) PURE;
+ STDMETHOD(SetClientGuid)(THIS_ REFGUID guid) PURE;
+ STDMETHOD(ClearClientData)(THIS_) PURE;
+ STDMETHOD(SetFilter)(THIS_ IShellItemFilter *pFilter) PURE;
+};
+
+DECLARE_INTERFACE_(IFileDialogEvents, IUnknown)
+{
+ STDMETHOD(OnFileOk)(THIS_ IFileDialog *pfd) PURE;
+ STDMETHOD(OnFolderChanging)(THIS_ IFileDialog *pfd, IShellItem *psiFolder) PURE;
+ STDMETHOD(OnFolderChange)(THIS_ IFileDialog *pfd) PURE;
+ STDMETHOD(OnSelectionChange)(THIS_ IFileDialog *pfd) PURE;
+ STDMETHOD(OnShareViolation)(THIS_ IFileDialog *pfd, IShellItem *psi, FDE_SHAREVIOLATION_RESPONSE *pResponse) PURE;
+ STDMETHOD(OnTypeChange)(THIS_ IFileDialog *pfd) PURE;
+ STDMETHOD(OnOverwrite)(THIS_ IFileDialog *pfd, IShellItem *psi, FDE_OVERWRITE_RESPONSE *pResponse) PURE;
+};
+
+DECLARE_INTERFACE_(IFileOpenDialog, IFileDialog)
+{
+ STDMETHOD(GetResults)(THIS_ IShellItemArray **ppenum) PURE;
+ STDMETHOD(GetSelectedItems)(THIS_ IShellItemArray **ppsai) PURE;
+};
+
+typedef IUnknown IPropertyStore;
+typedef IUnknown IFileOperationProgressSink;
+
+DECLARE_INTERFACE_(IFileSaveDialog, IFileDialog)
+{
+public:
+ STDMETHOD(SetSaveAsItem)(THIS_ IShellItem *psi) PURE;
+ STDMETHOD(SetProperties)(THIS_ IPropertyStore *pStore) PURE;
+ STDMETHOD(SetCollectedProperties)(THIS_ IPropertyStore *pStore) PURE;
+ STDMETHOD(GetProperties)(THIS_ IPropertyStore **ppStore) PURE;
+ STDMETHOD(ApplyProperties)(THIS_ IShellItem *psi, IPropertyStore *pStore, HWND hwnd, IFileOperationProgressSink *pSink) PURE;
+};
+
+#endif // Q_CC_MINGW
+
+QT_BEGIN_NAMESPACE
+
+/* Output UID (IID, CLSID) as C++ constants.
+ * The constants are contained in the Windows SDK libs, but not for MinGW. */
+static inline QString guidToString(const GUID &g)
+{
+ QString rc;
+ QTextStream str(&rc);
+ str.setIntegerBase(16);
+ str.setNumberFlags(str.numberFlags() | QTextStream::ShowBase);
+ str << '{' << g.Data1 << ", " << g.Data2 << ", " << g.Data3;
+ str.setFieldWidth(2);
+ str.setFieldAlignment(QTextStream::AlignRight);
+ str.setPadChar(QLatin1Char('0'));
+ str << ",{" << g.Data4[0] << ", " << g.Data4[1] << ", " << g.Data4[2] << ", " << g.Data4[3]
+ << ", " << g.Data4[4] << ", " << g.Data4[5] << ", " << g.Data4[6] << ", " << g.Data4[7]
+ << "}};";
+ return rc;
+}
+
+inline QDebug operator<<(QDebug d, const GUID &g)
+{ d.nospace() << guidToString(g); return d; }
+
+namespace QWindowsDialogs
+{
+/*!
+ \fn eatMouseMove()
+
+ After closing a windows dialog with a double click (i.e. open a file)
+ the message queue still contains a dubious WM_MOUSEMOVE message where
+ the left button is reported to be down (wParam != 0).
+ remove all those messages (usually 1) and post the last one with a
+ reset button state.
+
+ \ingroup qt-lighthouse-win
+*/
+
+void eatMouseMove()
+{
+ MSG msg = {0, 0, 0, 0, 0, {0, 0} };
+ while (PeekMessage(&msg, 0, WM_MOUSEMOVE, WM_MOUSEMOVE, PM_REMOVE))
+ ;
+ if (msg.message == WM_MOUSEMOVE)
+ PostMessage(msg.hwnd, msg.message, 0, msg.lParam);
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s triggered=%d" , __FUNCTION__, msg.message == WM_MOUSEMOVE);
+}
+
+Type dialogType(const QDialog *dialog)
+{
+ if (qobject_cast<const QFileDialog *>(dialog))
+ return FileDialog;
+ if (qobject_cast<const QFontDialog *>(dialog))
+ return FontDialog;
+ if (qobject_cast<const QColorDialog *>(dialog))
+ return ColorDialog;
+ return UnknownType;
+}
+
+} // namespace QWindowsDialogs
+
+// Find the owner which to use as a parent of a native dialog.
+static inline HWND ownerWindow(const QDialog *dialog)
+{
+ if (QWidget *parent = dialog->nativeParentWidget())
+ if (QWindow *windowHandle = parent->windowHandle())
+ return QWindowsWindow::handleOf(windowHandle);
+ if (QWindow *fw = QGuiApplication::focusWindow())
+ return QWindowsWindow::handleOf(fw);
+ return 0;
+}
+
+/*!
+ \class QWindowsNativeDialogBase
+ \brief Base class for Windows native dialogs.
+
+ Base clases for native dialogs that mimick the
+ behaviour of their QDialog counterparts as close as
+ possible.
+
+ A major difference is that there is only an exec(), which
+ is a modal, blocking call; there is no non-blocking show().
+ There 2 types of native dialogs:
+
+ \list
+ \o Dialogs provided by the Comdlg32 library (ChooseColor,
+ ChooseFont). They only provide a modal, blocking
+ function call (with idle processing).
+ \o File dialogs are classes derived from IFileDialog. They
+ inherit IModalWindow and their exec() method (calling
+ IModalWindow::Show()) is similarly blocking, but methods
+ like close() can be called on them from event handlers.
+ \endlist
+
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsNativeDialogBase : public QObject
+{
+ Q_OBJECT
+public:
+ virtual void setWindowTitle(const QString &title) = 0;
+ virtual void exec(HWND owner = 0) = 0;
+ virtual QDialog::DialogCode result() const = 0;
+
+signals:
+ void accepted();
+ void rejected();
+
+public slots:
+ virtual void close() = 0;
+
+protected:
+ QWindowsNativeDialogBase() {}
+};
+
+/*!
+ \class QWindowsDialogHelperBase
+ \brief Helper for native Windows dialogs.
+
+ Provides basic functionality and introduces new virtuals.
+ The native dialog is created in setVisible_sys() since
+ then modality and the state of DontUseNativeDialog is known.
+
+ Modal dialogs are then started via the platformNativeDialogModalHelp(),
+ platformNativeDialogModalHelp() slots.
+ Non-modal dialogs are shown using a separate thread should
+ they support it.
+
+ \sa QWindowsDialogThread
+ \ingroup qt-lighthouse-win
+*/
+
+QWindowsDialogHelperBase::QWindowsDialogHelperBase(QDialog *dialog) :
+ m_dialog(dialog),
+ m_nativeDialog(0)
+{
+}
+
+QWindowsNativeDialogBase *QWindowsDialogHelperBase::nativeDialog() const
+{
+ if (!m_nativeDialog) {
+ qWarning("%s invoked with no native dialog present.", __FUNCTION__);
+ return 0;
+ }
+ return m_nativeDialog;
+}
+
+QWindowsNativeDialogBase *QWindowsDialogHelperBase::ensureNativeDialog()
+{
+ // Create dialog and apply common settings.
+ if (!m_nativeDialog) {
+ m_nativeDialog = createNativeDialog();
+ if (m_nativeDialog)
+ m_nativeDialog->setWindowTitle(m_dialog->windowTitle());
+ }
+ return m_nativeDialog;
+}
+
+void QWindowsDialogHelperBase::deleteNativeDialog_sys()
+{
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s" , __FUNCTION__);
+ delete m_nativeDialog;
+ m_nativeDialog = 0;
+}
+
+/*!
+ \class QWindowsDialogThread
+ \brief Run a non-modal native dialog in a separate thread.
+
+ \sa QWindowsDialogHelperBase
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsDialogThread : public QThread
+{
+public:
+ QWindowsDialogThread(QWindowsNativeDialogBase *dialog,
+ HWND owner = 0) :
+ m_dialog(dialog), m_owner(owner) {}
+
+ void run();
+
+private:
+ QWindowsNativeDialogBase *m_dialog;
+ const HWND m_owner;
+};
+
+void QWindowsDialogThread::run()
+{
+ if (QWindowsContext::verboseDialogs)
+ qDebug(">%s" , __FUNCTION__);
+ m_dialog->exec(m_owner);
+ deleteLater();
+ if (QWindowsContext::verboseDialogs)
+ qDebug("<%s" , __FUNCTION__);
+}
+
+bool QWindowsDialogHelperBase::setVisible_sys(bool visible)
+{
+ const bool nonNative = nonNativeDialog();
+ const bool modal = m_dialog->isModal();
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s visible=%d, native=%d, modal=%d native=%p" ,
+ __FUNCTION__, visible, !nonNative, modal, m_nativeDialog);
+ if (nonNative || (!visible && !m_nativeDialog) || (!modal && !supportsNonModalDialog()))
+ return false; // Was it changed in-between?
+ if (!ensureNativeDialog())
+ return false;
+ if (visible) {
+ if (!modal) { // Modal dialogs are shown in separate slot.
+ QWindowsDialogThread *thread = new QWindowsDialogThread(m_nativeDialog, ownerWindow(m_dialog));
+ thread->start();
+ }
+ } else {
+ m_nativeDialog->close();
+ }
+ return true;
+}
+
+void QWindowsDialogHelperBase::platformNativeDialogModalHelp()
+{
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s" , __FUNCTION__);
+ if (QWindowsNativeDialogBase *nd =nativeDialog())
+ nd->metaObject()->invokeMethod(m_dialog, "_q_platformRunNativeAppModalPanel",
+ Qt::QueuedConnection);
+}
+
+void QWindowsDialogHelperBase::_q_platformRunNativeAppModalPanel()
+{
+ if (QWindowsNativeDialogBase *nd =nativeDialog())
+ nd->exec(ownerWindow(m_dialog));
+}
+
+QDialog::DialogCode QWindowsDialogHelperBase::dialogResultCode_sys()
+{
+ if (QWindowsNativeDialogBase *nd =nativeDialog())
+ return nd->result();
+ return QDialog::Rejected;
+}
+
+/*!
+ \class QWindowsNativeFileDialogEventHandler
+ \brief Listens to IFileDialog events and forwards them to QWindowsNativeFileDialogBase
+
+ Events like 'folder change' that have an equivalent signal
+ in QFileDialog are forwarded.
+
+ \sa QWindowsNativeFileDialogBase, QWindowsFileDialogHelper
+
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsNativeFileDialogBase;
+
+class QWindowsNativeFileDialogEventHandler : public IFileDialogEvents
+{
+public:
+ static IFileDialogEvents *create(QWindowsNativeFileDialogBase *nativeFileDialog);
+
+ // IUnknown methods
+ IFACEMETHODIMP QueryInterface(REFIID riid, void** ppv)
+ {
+ if (riid != IID_IUnknown && riid != IID_IFileDialogEvents) {
+ *ppv = NULL;
+ return ResultFromScode(E_NOINTERFACE);
+ }
+ *ppv = this;
+ AddRef();
+ return NOERROR;
+ }
+
+ IFACEMETHODIMP_(ULONG) AddRef() { return InterlockedIncrement(&m_ref); }
+
+ IFACEMETHODIMP_(ULONG) Release()
+ {
+ const long ref = InterlockedDecrement(&m_ref);
+ if (!ref)
+ delete this;
+ return ref;
+ }
+
+ // IFileDialogEvents methods
+ IFACEMETHODIMP OnFileOk(IFileDialog *) { return S_OK; }
+ IFACEMETHODIMP OnFolderChange(IFileDialog *) { return S_OK; }
+ IFACEMETHODIMP OnFolderChanging(IFileDialog *, IShellItem *);
+ IFACEMETHODIMP OnHelp(IFileDialog *) { return S_OK; }
+ IFACEMETHODIMP OnSelectionChange(IFileDialog *);
+ IFACEMETHODIMP OnShareViolation(IFileDialog *, IShellItem *, FDE_SHAREVIOLATION_RESPONSE *) { return S_OK; }
+ IFACEMETHODIMP OnTypeChange(IFileDialog *);
+ IFACEMETHODIMP OnOverwrite(IFileDialog *, IShellItem *, FDE_OVERWRITE_RESPONSE *) { return S_OK; }
+
+ QWindowsNativeFileDialogEventHandler(QWindowsNativeFileDialogBase *nativeFileDialog) :
+ m_ref(1), m_nativeFileDialog(nativeFileDialog) {}
+ ~QWindowsNativeFileDialogEventHandler() {}
+
+private:
+ long m_ref;
+ QWindowsNativeFileDialogBase *m_nativeFileDialog;
+};
+
+IFileDialogEvents *QWindowsNativeFileDialogEventHandler::create(QWindowsNativeFileDialogBase *nativeFileDialog)
+{
+ IFileDialogEvents *result;
+ QWindowsNativeFileDialogEventHandler *eventHandler = new QWindowsNativeFileDialogEventHandler(nativeFileDialog);
+ if (FAILED(eventHandler->QueryInterface(IID_IFileDialogEvents, reinterpret_cast<void **>(&result)))) {
+ qErrnoWarning("%s: Unable to obtain IFileDialogEvents");
+ return 0;
+ }
+ eventHandler->Release();
+ return result;
+}
+
+/*!
+ \class QWindowsNativeFileDialogBase
+ \brief Windows native file dialog wrapper around IFileOpenDialog, IFileSaveDialog.
+
+ Provides convenience methods.
+ Note that only IFileOpenDialog has multi-file functionality.
+
+ \sa QWindowsNativeFileDialogEventHandler, QWindowsFileDialogHelper
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsNativeFileDialogBase : public QWindowsNativeDialogBase
+{
+ Q_OBJECT
+ Q_PROPERTY(bool hideFiltersDetails READ hideFiltersDetails WRITE setHideFiltersDetails)
+public:
+ ~QWindowsNativeFileDialogBase();
+
+ inline static QWindowsNativeFileDialogBase *create(QFileDialog::AcceptMode am);
+
+ virtual void setWindowTitle(const QString &title);
+ inline void setMode(QFileDialog::FileMode mode, QFileDialog::Options options);
+ inline void setDirectory(const QString &directory);
+ inline QString directory() const;
+ virtual void exec(HWND owner = 0);
+ inline void setNameFilters(const QStringList &f);
+ inline void selectNameFilter(const QString &filter);
+ inline QString selectedNameFilter() const;
+ bool hideFiltersDetails() const { return m_hideFiltersDetails; }
+ void setHideFiltersDetails(bool h) { m_hideFiltersDetails = h; }
+
+ virtual QDialog::DialogCode result() const
+ { return fileResult(); }
+ virtual QDialog::DialogCode fileResult(QStringList *fileResult = 0) const = 0;
+ virtual QStringList selectedFiles() const = 0;
+
+ inline void onFolderChange(IShellItem *);
+ inline void onSelectionChange();
+ inline void onTypeChange();
+
+signals:
+ void directoryEntered(const QString& directory);
+ void currentChanged(const QString& file);
+ void filterSelected(const QString & filter);
+
+public slots:
+ virtual void close() { m_fileDialog->Close(S_OK); }
+
+protected:
+ QWindowsNativeFileDialogBase();
+ bool init(const CLSID &clsId, const IID &iid);
+ inline IFileDialog * fileDialog() const { return m_fileDialog; }
+ static QString itemPath(IShellItem *item);
+ static int itemPaths(IShellItemArray *items, QStringList *fileResult = 0);
+ static IShellItem *shellItem(const QString &path);
+
+private:
+ IFileDialog *m_fileDialog;
+ IFileDialogEvents *m_dialogEvents;
+ DWORD m_cookie;
+ QStringList m_nameFilters;
+ bool m_hideFiltersDetails;
+};
+
+QWindowsNativeFileDialogBase::QWindowsNativeFileDialogBase() :
+ m_fileDialog(0), m_dialogEvents(0), m_cookie(0), m_hideFiltersDetails(false)
+{
+}
+
+QWindowsNativeFileDialogBase::~QWindowsNativeFileDialogBase()
+{
+ if (m_dialogEvents && m_fileDialog)
+ m_fileDialog->Unadvise(m_cookie);
+ if (m_dialogEvents)
+ m_dialogEvents->Release();
+ if (m_fileDialog)
+ m_fileDialog->Release();
+}
+
+bool QWindowsNativeFileDialogBase::init(const CLSID &clsId, const IID &iid)
+{
+ HRESULT hr = CoCreateInstance(clsId, NULL, CLSCTX_INPROC_SERVER,
+ iid, reinterpret_cast<void **>(&m_fileDialog));
+ if (FAILED(hr)) {
+ qErrnoWarning("%s: CoCreateInstance failed");
+ return false;
+ }
+ m_dialogEvents = QWindowsNativeFileDialogEventHandler::create(this);
+ if (!m_dialogEvents)
+ return false;
+ // Register event handler
+ hr = m_fileDialog->Advise(m_dialogEvents, &m_cookie);
+ if (FAILED(hr)) {
+ qErrnoWarning("%s: IFileDialog::Advise failed");
+ return false;
+ }
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s %p %p cookie=%lu" , __FUNCTION__, m_fileDialog, m_dialogEvents, m_cookie);
+
+ return true;
+}
+
+void QWindowsNativeFileDialogBase::setWindowTitle(const QString &title)
+{
+ m_fileDialog->SetTitle(reinterpret_cast<const wchar_t *>(title.utf16()));
+}
+
+IShellItem *QWindowsNativeFileDialogBase::shellItem(const QString &path)
+{
+ if (QWindowsContext::shell32dll.sHCreateItemFromParsingName) {
+ IShellItem *result = 0;
+ const QString native = QDir::toNativeSeparators(path);
+ const HRESULT hr =
+ QWindowsContext::shell32dll.sHCreateItemFromParsingName(reinterpret_cast<const wchar_t *>(native.utf16()),
+ NULL, IID_IShellItem,
+ reinterpret_cast<void **>(&result));
+ if (SUCCEEDED(hr))
+ return result;
+ }
+ qErrnoWarning("%s: SHCreateItemFromParsingName()) failed", __FUNCTION__);
+ return 0;
+}
+
+void QWindowsNativeFileDialogBase::setDirectory(const QString &directory)
+{
+ if (IShellItem *psi = QWindowsNativeFileDialogBase::shellItem(directory)) {
+ m_fileDialog->SetFolder(psi);
+ psi->Release();
+ }
+}
+
+QString QWindowsNativeFileDialogBase::directory() const
+{
+ IShellItem *item = 0;
+ return (SUCCEEDED(m_fileDialog) && item) ?
+ QWindowsNativeFileDialogBase::itemPath(item) : QString();
+}
+
+void QWindowsNativeFileDialogBase::exec(HWND owner)
+{
+ if (QWindowsContext::verboseDialogs)
+ qDebug(">%s on %p", __FUNCTION__, (void *)owner);
+ const HRESULT hr = m_fileDialog->Show(owner);
+ QWindowsDialogs::eatMouseMove();
+ if (QWindowsContext::verboseDialogs)
+ qDebug("<%s returns 0x%lx", __FUNCTION__, hr);
+ if (hr == S_OK) {
+ emit accepted();
+ } else {
+ emit rejected();
+ }
+}
+
+void QWindowsNativeFileDialogBase::setMode(QFileDialog::FileMode mode, QFileDialog::Options options)
+{
+ DWORD flags = FOS_PATHMUSTEXIST | FOS_FORCESHOWHIDDEN;
+ if (options & QFileDialog::DontResolveSymlinks)
+ flags |= FOS_NODEREFERENCELINKS;
+ switch (mode) {
+ case QFileDialog::AnyFile:
+ flags |= FOS_NOREADONLYRETURN;
+ if (!(options & QFileDialog::DontConfirmOverwrite))
+ flags |= FOS_OVERWRITEPROMPT;
+ break;
+ case QFileDialog::ExistingFile:
+ flags |= FOS_FILEMUSTEXIST;
+ break;
+ case QFileDialog::Directory:
+ case QFileDialog::DirectoryOnly:
+ flags |= FOS_PICKFOLDERS | FOS_FILEMUSTEXIST;
+ break;
+ case QFileDialog::ExistingFiles:
+ flags |= FOS_FILEMUSTEXIST | FOS_ALLOWMULTISELECT;
+ break;
+ }
+ if (QWindowsContext::verboseDialogs)
+ qDebug().nospace()
+ << __FUNCTION__ << " mode=" << mode << " options"
+ << options << " results in 0x" << flags;
+
+ if (FAILED(m_fileDialog->SetOptions(flags)))
+ qErrnoWarning("%s: SetOptions() failed", __FUNCTION__);
+}
+
+QString QWindowsNativeFileDialogBase::itemPath(IShellItem *item)
+{
+ QString result;
+ LPWSTR name = 0;
+ if (SUCCEEDED(item->GetDisplayName(SIGDN_FILESYSPATH, &name))) {
+ result = QDir::cleanPath(QString::fromWCharArray(name));
+ CoTaskMemFree(name);
+ }
+ return result;
+}
+
+int QWindowsNativeFileDialogBase::itemPaths(IShellItemArray *items,
+ QStringList *result /* = 0 */)
+{
+ DWORD itemCount = 0;
+ if (result)
+ result->clear();
+ if (FAILED(items->GetCount(&itemCount)))
+ return 0;
+ if (result && itemCount) {
+ result->reserve(itemCount);
+ for (DWORD i = 0; i < itemCount; ++i) {
+ IShellItem *item = 0;
+ if (SUCCEEDED(items->GetItemAt(i, &item)))
+ result->push_back(QWindowsNativeFileDialogBase::itemPath(item));
+ }
+ }
+ return itemCount;
+}
+
+// Copy a string to an Utf16 buffer.
+static inline void toBuffer(const QString &what, WCHAR **ptr)
+{
+ const int length = 1 + what.size();
+ qMemCopy(*ptr, what.utf16(), length * sizeof(WCHAR));
+ *ptr += length;
+}
+
+void QWindowsNativeFileDialogBase::setNameFilters(const QStringList &filters)
+{
+ /* Populates an array of COMDLG_FILTERSPEC from list of filters,
+ * store the strings in a flat, contiguous buffer. */
+ m_nameFilters = filters;
+ const int size = filters.size();
+ int totalStringLength = 0;
+ for (int i = 0; i < size; ++i)
+ totalStringLength += filters.at(i).size();
+
+ QScopedArrayPointer<WCHAR> buffer(new WCHAR[totalStringLength * 2 + 2 * size]);
+ QScopedArrayPointer<COMDLG_FILTERSPEC> comFilterSpec(new COMDLG_FILTERSPEC[size]);
+
+ const QString matchesAll = QStringLiteral(" (*)");
+ const QRegExp filterSeparatorRE(QStringLiteral("; *"));
+ const QString separator = QStringLiteral(";");
+ Q_ASSERT(filterSeparatorRE.isValid());
+
+ WCHAR *ptr = buffer.data();
+ // Split filter specification as 'Texts (*.txt[;] *.doc)'
+ // into description and filters specification as '*.txt;*.doc'
+ for (int i = 0; i < size; ++i) {
+ QString filterString = filters.at(i);
+ const int openingParenPos = filterString.lastIndexOf(QLatin1Char('('));
+ const int closingParenPos = openingParenPos != -1 ?
+ filterString.indexOf(QLatin1Char(')'), openingParenPos + 1) : -1;
+ QString filterSpec = closingParenPos == -1 ?
+ QString(QLatin1Char('*')) : filterString.mid(openingParenPos + 1, closingParenPos - openingParenPos - 1);
+ filterSpec.replace(filterSeparatorRE, separator);
+ if (m_hideFiltersDetails) {
+ // Do not show pattern in description
+ if (openingParenPos != -1) {
+ filterString.truncate(openingParenPos);
+ while (filterString.endsWith(QLatin1Char(' ')))
+ filterString.truncate(filterString.size() - 1);
+ }
+ } else {
+ // Display glitch: 'All files (*)' shows up as 'All files (*) (*)'
+ if (filterString.endsWith(matchesAll))
+ filterString.truncate(filterString.size() - matchesAll.size());
+ }
+ // Add to buffer.
+ comFilterSpec[i].pszName = ptr;
+ toBuffer(filterString, &ptr);
+ comFilterSpec[i].pszSpec = ptr;
+ toBuffer(filterSpec, &ptr);
+ }
+
+ m_fileDialog->SetFileTypes(size, comFilterSpec.data());
+}
+
+void QWindowsNativeFileDialogBase::selectNameFilter(const QString &filter)
+{
+ const int index = m_nameFilters.indexOf(filter);
+ if (index >= 0) {
+ m_fileDialog->SetFileTypeIndex(index + 1); // one-based.
+ } else {
+ qWarning("%s: Invalid parameter '%s' not found in '%s'.",
+ __FUNCTION__, qPrintable(filter),
+ qPrintable(m_nameFilters.join(QStringLiteral(", "))));
+ }
+}
+
+QString QWindowsNativeFileDialogBase::selectedNameFilter() const
+{
+ UINT uIndex = 0;
+ if (SUCCEEDED(m_fileDialog->GetFileTypeIndex(&uIndex))) {
+ const int index = uIndex - 1; // one-based
+ if (index < m_nameFilters.size())
+ return m_nameFilters.at(index);
+ }
+ return QString();
+}
+
+void QWindowsNativeFileDialogBase::onFolderChange(IShellItem *item)
+{
+ if (item) {
+ const QString directory = QWindowsNativeFileDialogBase::itemPath(item);
+ emit directoryEntered(directory);
+ }
+}
+
+void QWindowsNativeFileDialogBase::onSelectionChange()
+{
+ const QStringList current = selectedFiles();
+ if (current.size() == 1)
+ emit currentChanged(current.front());
+}
+
+void QWindowsNativeFileDialogBase::onTypeChange()
+{
+ emit filterSelected(selectedNameFilter());
+}
+
+HRESULT QWindowsNativeFileDialogEventHandler::OnFolderChanging(IFileDialog *, IShellItem *item)
+{
+ m_nativeFileDialog->onFolderChange(item);
+ return S_OK;
+}
+
+HRESULT QWindowsNativeFileDialogEventHandler::OnSelectionChange(IFileDialog *)
+{
+ m_nativeFileDialog->onSelectionChange();
+ return S_OK;
+}
+
+HRESULT QWindowsNativeFileDialogEventHandler::OnTypeChange(IFileDialog *)
+{
+ m_nativeFileDialog->onTypeChange();
+ return S_OK;
+}
+
+/*!
+ \class QWindowsNativeSaveFileDialog
+ \brief Windows native file save dialog wrapper around IFileSaveDialog.
+
+ Implements single-selection methods.
+
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsNativeSaveFileDialog : public QWindowsNativeFileDialogBase
+{
+public:
+ virtual QDialog::DialogCode fileResult(QStringList *fileResult = 0) const;
+ virtual QStringList selectedFiles() const;
+};
+
+QDialog::DialogCode QWindowsNativeSaveFileDialog::fileResult(QStringList *result /* = 0 */) const
+{
+ if (result)
+ result->clear();
+ IShellItem *item = 0;
+ const HRESULT hr = fileDialog()->GetResult(&item);
+ if (FAILED(hr) || !item)
+ return QDialog::Rejected;
+ if (result)
+ result->push_back(QWindowsNativeFileDialogBase::itemPath(item));
+ return QDialog::Accepted;
+}
+
+QStringList QWindowsNativeSaveFileDialog::selectedFiles() const
+{
+ QStringList result;
+ IShellItem *item = 0;
+ const HRESULT hr = fileDialog()->GetCurrentSelection(&item);
+ if (SUCCEEDED(hr) && item)
+ result.push_back(QWindowsNativeSaveFileDialog::itemPath(item));
+ return result;
+}
+
+/*!
+ \class QWindowsNativeOpenFileDialog
+ \brief Windows native file save dialog wrapper around IFileOpenDialog.
+
+ Implements multi-selection methods.
+
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsNativeOpenFileDialog : public QWindowsNativeFileDialogBase
+{
+public:
+ virtual QDialog::DialogCode fileResult(QStringList *fileResult = 0) const;
+ virtual QStringList selectedFiles() const;
+
+private:
+ inline IFileOpenDialog *openFileDialog() const
+ { return static_cast<IFileOpenDialog *>(fileDialog()); }
+};
+
+QDialog::DialogCode QWindowsNativeOpenFileDialog::fileResult(QStringList *result /* = 0 */) const
+{
+ if (result)
+ result->clear();
+ IShellItemArray *items = 0;
+ const HRESULT hr = openFileDialog()->GetResults(&items);
+ if (SUCCEEDED(hr) && items && QWindowsNativeFileDialogBase::itemPaths(items, result) > 0)
+ return QDialog::Accepted;
+ return QDialog::Rejected;
+}
+
+QStringList QWindowsNativeOpenFileDialog::selectedFiles() const
+{
+ QStringList result;
+ IShellItemArray *items = 0;
+ const HRESULT hr = openFileDialog()->GetSelectedItems(&items);
+ if (SUCCEEDED(hr) && items)
+ QWindowsNativeFileDialogBase::itemPaths(items, &result);
+ return result;
+}
+
+/*!
+ \brief Factory method for QWindowsNativeFileDialogBase returning
+ QWindowsNativeOpenFileDialog or QWindowsNativeSaveFileDialog depending on
+ QFileDialog::AcceptMode.
+*/
+
+QWindowsNativeFileDialogBase *QWindowsNativeFileDialogBase::create(QFileDialog::AcceptMode am)
+{
+ QWindowsNativeFileDialogBase *result = 0;
+ if (am == QFileDialog::AcceptOpen) {
+ result = new QWindowsNativeOpenFileDialog;
+ if (!result->init(CLSID_FileOpenDialog, IID_IFileOpenDialog)) {
+ delete result;
+ return 0;
+ }
+ } else {
+ result = new QWindowsNativeSaveFileDialog;
+ if (!result->init(CLSID_FileSaveDialog, IID_IFileSaveDialog)) {
+ delete result;
+ return 0;
+ }
+ }
+ return result;
+}
+
+/*!
+ \class QWindowsFileDialogHelper
+ \brief Helper for native Windows file dialogs
+
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsFileDialogHelper : public QWindowsDialogHelperBase
+{
+public:
+ explicit QWindowsFileDialogHelper(QDialog *dialog) :
+ QWindowsDialogHelperBase(dialog),
+ m_fileDialog(qobject_cast<QFileDialog *>(dialog))
+ { Q_ASSERT(m_fileDialog); }
+
+ virtual bool nonNativeDialog() const
+ { return m_fileDialog->testOption(QFileDialog::DontUseNativeDialog); }
+
+ virtual bool defaultNameFilterDisables() const
+ { return true; }
+ virtual void setDirectory_sys(const QString &directory);
+ virtual QString directory_sys() const;
+ virtual void selectFile_sys(const QString &filename);
+ virtual QStringList selectedFiles_sys() const;
+ virtual void setFilter_sys();
+ virtual void setNameFilters_sys(const QStringList &filters);
+ virtual void selectNameFilter_sys(const QString &filter);
+ virtual QString selectedNameFilter_sys() const;
+
+private:
+ virtual QWindowsNativeDialogBase *createNativeDialog();
+ inline QWindowsNativeFileDialogBase *nativeFileDialog() const
+ { return static_cast<QWindowsNativeFileDialogBase *>(nativeDialog()); }
+
+ QFileDialog *m_fileDialog;
+};
+
+QWindowsNativeDialogBase *QWindowsFileDialogHelper::createNativeDialog()
+{
+ QWindowsNativeFileDialogBase *result = QWindowsNativeFileDialogBase::create(m_fileDialog->acceptMode());
+ if (!result)
+ return 0;
+ QObject::connect(result, SIGNAL(accepted()), m_fileDialog, SLOT(accept()),
+ Qt::QueuedConnection);
+ QObject::connect(result, SIGNAL(rejected()), m_fileDialog, SLOT(reject()),
+ Qt::QueuedConnection);
+ QObject::connect(result, SIGNAL(directoryEntered(QString)),
+ m_fileDialog, SIGNAL(directoryEntered(QString)),
+ Qt::QueuedConnection);
+ QObject::connect(result, SIGNAL(currentChanged(QString)),
+ m_fileDialog, SIGNAL(currentChanged(QString)),
+ Qt::QueuedConnection);
+ QObject::connect(result, SIGNAL(filterSelected(QString)),
+ m_fileDialog, SIGNAL(filterSelected(QString)),
+ Qt::QueuedConnection);
+
+ // Apply settings.
+ result->setMode(m_fileDialog->fileMode(), m_fileDialog->options());
+ const QDir directory = m_fileDialog->directory();
+ if (directory.exists())
+ result->setDirectory(directory.absolutePath());
+ result->setHideFiltersDetails(m_fileDialog->testOption(QFileDialog::HideNameFilterDetails));
+ const QStringList nameFilters = m_fileDialog->nameFilters();
+ if (!nameFilters.isEmpty()) {
+ result->setNameFilters(nameFilters);
+ const QString selectedNameFilter = m_fileDialog->selectedNameFilter();
+ if (!selectedNameFilter.isEmpty())
+ result->selectNameFilter(selectedNameFilter);
+ }
+ return result;
+}
+
+void QWindowsFileDialogHelper::setDirectory_sys(const QString &directory)
+{
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s %s" , __FUNCTION__, qPrintable(directory));
+
+ if (QWindowsNativeFileDialogBase *nfd = nativeFileDialog())
+ nfd->setDirectory(directory);
+}
+
+QString QWindowsFileDialogHelper::directory_sys() const
+{
+ if (const QWindowsNativeFileDialogBase *nfd = nativeFileDialog())
+ return nfd->directory();
+ return QString();
+}
+
+void QWindowsFileDialogHelper::selectFile_sys(const QString & /* filename */)
+{
+ // Not implemented.
+}
+
+QStringList QWindowsFileDialogHelper::selectedFiles_sys() const
+{
+ QStringList files;
+ if (const QWindowsNativeFileDialogBase *nfd = nativeFileDialog())
+ nfd->fileResult(&files);
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s files='%s'" , __FUNCTION__,
+ qPrintable(files.join(QStringLiteral(", "))));
+ return files;
+}
+
+void QWindowsFileDialogHelper::setFilter_sys()
+{
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s" , __FUNCTION__);
+}
+
+void QWindowsFileDialogHelper::setNameFilters_sys(const QStringList &filters)
+{
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s" , __FUNCTION__);
+ if (QWindowsNativeFileDialogBase *nfd = nativeFileDialog())
+ nfd->setNameFilters(filters);
+}
+
+void QWindowsFileDialogHelper::selectNameFilter_sys(const QString &filter)
+{
+ if (QWindowsNativeFileDialogBase *nfd = nativeFileDialog())
+ nfd->selectNameFilter(filter);
+}
+
+QString QWindowsFileDialogHelper::selectedNameFilter_sys() const
+{
+ if (const QWindowsNativeFileDialogBase *nfd = nativeFileDialog())
+ return nfd->selectedNameFilter();
+ return QString();
+}
+
+/*!
+ \class QWindowsNativeColorDialog
+ \brief Native Windows color dialog.
+
+ Wrapper around Comdlg32's ChooseColor() function.
+ Not currently in use as QColorDialog is equivalent.
+
+ \sa QWindowsColorDialogHelper
+ \sa #define USE_NATIVE_COLOR_DIALOG
+
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsNativeColorDialog : public QWindowsNativeDialogBase
+{
+ Q_OBJECT
+public:
+ explicit QWindowsNativeColorDialog(QColorDialog *dialog);
+
+ virtual void setWindowTitle(const QString &) {}
+ virtual void exec(HWND owner = 0);
+ virtual QDialog::DialogCode result() const { return m_code; }
+
+public slots:
+ virtual void close() {}
+
+private:
+ COLORREF m_customColors[16];
+ QDialog::DialogCode m_code;
+ QColorDialog *m_dialog;
+};
+
+QWindowsNativeColorDialog::QWindowsNativeColorDialog(QColorDialog *dialog) :
+ m_code(QDialog::Rejected), m_dialog(dialog)
+{
+ qFill(m_customColors, m_customColors + 16, COLORREF(0));
+}
+
+static inline COLORREF qColorToCOLORREF(const QColor &color)
+{ return RGB(color.red(), color.green(), color.blue()); }
+
+static inline QColor COLORREFToQColor(COLORREF cr)
+{ return QColor(GetRValue(cr), GetGValue(cr), GetBValue(cr)); }
+
+void QWindowsNativeColorDialog::exec(HWND owner)
+{
+ typedef BOOL (WINAPI *ChooseColorWType)(LPCHOOSECOLORW);
+
+ CHOOSECOLOR chooseColor;
+ if (QWindowsContext::verboseDialogs)
+ qDebug() << '>' << __FUNCTION__ << " on " << owner;
+ ZeroMemory(&chooseColor, sizeof(chooseColor));
+ chooseColor.lStructSize = sizeof(chooseColor);
+ chooseColor.hwndOwner = owner;
+ chooseColor.lpCustColors = m_customColors;
+ chooseColor.rgbResult = qColorToCOLORREF(m_dialog->currentColor());
+ chooseColor.Flags = CC_FULLOPEN | CC_RGBINIT;
+ static ChooseColorWType chooseColorW = 0;
+ if (!chooseColorW) {
+ QSystemLibrary library(QStringLiteral("Comdlg32"));
+ chooseColorW = (ChooseColorWType)library.resolve("ChooseColorW");
+ }
+ if (chooseColorW) {
+ m_code = chooseColorW(&chooseColor) ? QDialog::Accepted :QDialog::Rejected;
+ QWindowsDialogs::eatMouseMove();
+ } else {
+ m_code = QDialog::Rejected;
+ }
+ if (m_code == QDialog::Accepted) {
+ m_dialog->setCurrentColor(COLORREFToQColor(chooseColor.rgbResult));
+ emit accepted();
+ if (QWindowsContext::verboseDialogs)
+ qDebug() << '<' << __FUNCTION__ << m_dialog->currentColor();
+ } else {
+ emit rejected();
+ }
+}
+
+/*!
+ \class QWindowsColorDialogHelper
+ \brief Helper for native Windows color dialogs
+
+ Not currently in use as QColorDialog is equivalent.
+
+ \sa #define USE_NATIVE_COLOR_DIALOG
+ \sa QWindowsNativeColorDialog
+
+ \ingroup qt-lighthouse-win
+*/
+
+class QWindowsColorDialogHelper : public QWindowsDialogHelperBase
+{
+public:
+ explicit QWindowsColorDialogHelper(QDialog *dialog) :
+ QWindowsDialogHelperBase(dialog),
+ m_colorDialog(qobject_cast<QColorDialog *>(dialog))
+ { Q_ASSERT(m_colorDialog); }
+
+ virtual bool nonNativeDialog() const
+ { return m_colorDialog->testOption(QColorDialog::DontUseNativeDialog); }
+ virtual bool supportsNonModalDialog()
+ { return false; }
+
+ // ### fixme: Remove once a dialog helper hierarchy is in place
+ virtual bool defaultNameFilterDisables() const { return true; }
+ virtual void setDirectory_sys(const QString &) {}
+ virtual QString directory_sys() const { return QString(); }
+ virtual void selectFile_sys(const QString &) {}
+ virtual QStringList selectedFiles_sys() const { return QStringList(); }
+ virtual void setFilter_sys() {}
+ virtual void setNameFilters_sys(const QStringList &) {}
+ virtual void selectNameFilter_sys(const QString &) {}
+ virtual QString selectedNameFilter_sys() const { return QString(); }
+
+private:
+ inline QWindowsNativeColorDialog *nativeFileDialog() const
+ { return static_cast<QWindowsNativeColorDialog *>(nativeDialog()); }
+ virtual QWindowsNativeDialogBase *createNativeDialog()
+ { return new QWindowsNativeColorDialog(m_colorDialog); }
+ QColorDialog *m_colorDialog;
+};
+
+// QWindowsDialogHelperBase creation functions
+
+bool QWindowsDialogHelperBase::useHelper(const QDialog *dialog)
+{
+ switch (QWindowsDialogs::dialogType(dialog)) {
+ case QWindowsDialogs::FileDialog:
+ return true;
+ case QWindowsDialogs::ColorDialog:
+#ifdef USE_NATIVE_COLOR_DIALOG
+ return true;
+#endif
+ case QWindowsDialogs::FontDialog:
+ case QWindowsDialogs::UnknownType:
+ break;
+ }
+ return false;
+}
+
+QPlatformDialogHelper *QWindowsDialogHelperBase::create(QDialog *dialog)
+{
+ if (QWindowsContext::verboseDialogs)
+ qDebug("%s %p %s" , __FUNCTION__, dialog, dialog->metaObject()->className());
+
+ switch (QWindowsDialogs::dialogType(dialog)) {
+ case QWindowsDialogs::FileDialog:
+ return new QWindowsFileDialogHelper(dialog);
+ case QWindowsDialogs::ColorDialog:
+#ifdef USE_NATIVE_COLOR_DIALOG
+ return new QWindowsColorDialogHelper(dialog);
+#endif
+ case QWindowsDialogs::FontDialog:
+ case QWindowsDialogs::UnknownType:
+ break;
+ }
+ return 0;
+}
+
+QT_END_NAMESPACE
+
+#include "qwindowsdialoghelpers.moc"
+
+#endif // QT_WIDGETS_LIB