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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0 *
// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#include "folder_selector2.h"
#include <zen/thread.h>
#include <zen/file_access.h>
#include <zen/optional.h>
#include <wx/dirdlg.h>
#include <wx/scrolwin.h>
#include <wx+/string_conv.h>
#include <wx+/popup_dlg.h>
#include "../lib/resolve_path.h"
#ifdef ZEN_WIN_VISTA_AND_LATER
#include "../ui/ifile_dialog.h"
#elif defined ZEN_LINUX
#include <gtk/gtk.h>
#endif
using namespace zen;
namespace
{
void setFolderPath(const Zstring& dirpath, wxTextCtrl* txtCtrl, wxWindow& tooltipWnd, wxStaticText* staticText) //pointers are optional
{
if (txtCtrl)
txtCtrl->ChangeValue(toWx(dirpath));
const Zstring folderPathFmt = getResolvedFilePath(dirpath); //may block when resolving [<volume name>]
tooltipWnd.SetToolTip(nullptr); //workaround wxComboBox bug http://trac.wxwidgets.org/ticket/10512 / http://trac.wxwidgets.org/ticket/12659
tooltipWnd.SetToolTip(toWx(folderPathFmt)); //who knows when the real bugfix reaches mere mortals via an official release...
if (staticText) //change static box label only if there is a real difference to what is shown in wxTextCtrl anyway
staticText->SetLabel(EqualFilePath()(appendSeparator(trimCpy(dirpath)), appendSeparator(folderPathFmt)) ? wxString(_("Drag && drop")) : toWx(folderPathFmt));
}
}
//##############################################################################################################
FolderSelector2::FolderSelector2(wxWindow& dropWindow,
wxButton& selectButton,
wxTextCtrl& folderPathCtrl,
wxStaticText* staticText) :
dropWindow_(dropWindow),
selectButton_(selectButton),
folderPathCtrl_(folderPathCtrl),
staticText_(staticText)
{
#ifdef ZEN_LINUX
//file drag and drop directly into the text control unhelpfully inserts in format "file://..<cr><nl>"; see folder_history_box.cpp
if (GtkWidget* widget = folderPathCtrl.GetConnectWidget())
::gtk_drag_dest_unset(widget);
#endif
//prepare drag & drop
setupFileDrop(dropWindow_);
dropWindow_.Connect(EVENT_DROP_FILE, FileDropEventHandler(FolderSelector2::onFilesDropped), nullptr, this);
//keep dirPicker and dirpath synchronous
folderPathCtrl_.Connect(wxEVT_MOUSEWHEEL, wxMouseEventHandler (FolderSelector2::onMouseWheel ), nullptr, this);
folderPathCtrl_.Connect(wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler(FolderSelector2::onEditFolderPath), nullptr, this);
selectButton_ .Connect(wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler(FolderSelector2::onSelectDir ), nullptr, this);
}
FolderSelector2::~FolderSelector2()
{
dropWindow_.Disconnect(EVENT_DROP_FILE, FileDropEventHandler(FolderSelector2::onFilesDropped), nullptr, this);
folderPathCtrl_.Disconnect(wxEVT_MOUSEWHEEL, wxMouseEventHandler (FolderSelector2::onMouseWheel ), nullptr, this);
folderPathCtrl_.Disconnect(wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler(FolderSelector2::onEditFolderPath), nullptr, this);
selectButton_ .Disconnect(wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler(FolderSelector2::onSelectDir ), nullptr, this);
}
void FolderSelector2::onMouseWheel(wxMouseEvent& event)
{
//for combobox: although switching through available items is wxWidgets default, this is NOT windows default, e.g. explorer
//additionally this will delete manual entries, although all the users wanted is scroll the parent window!
//redirect to parent scrolled window!
wxWindow* wnd = &folderPathCtrl_;
while ((wnd = wnd->GetParent()) != nullptr) //silence MSVC warning
if (dynamic_cast<wxScrolledWindow*>(wnd) != nullptr)
if (wxEvtHandler* evtHandler = wnd->GetEventHandler())
{
evtHandler->AddPendingEvent(event);
break;
}
// event.Skip();
}
void FolderSelector2::onFilesDropped(FileDropEvent& event)
{
const auto& itemPaths = event.getPaths();
if (itemPaths.empty())
return;
Zstring itemPath = itemPaths[0];
if (!dirExists(itemPath))
{
Zstring parentPath = beforeLast(itemPath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE);
#ifdef ZEN_WIN
if (endsWith(parentPath, L":")) //volume root
parentPath += FILE_NAME_SEPARATOR;
#endif
if (dirExists(parentPath))
itemPath = parentPath;
//else: keep original name unconditionally: usecase: inactive mapped network shares
}
setPath(itemPath);
//event.Skip();
}
void FolderSelector2::onEditFolderPath(wxCommandEvent& event)
{
setFolderPath(toZ(event.GetString()), nullptr, folderPathCtrl_, staticText_);
event.Skip();
}
#ifdef ZEN_WIN_VISTA_AND_LATER
bool onIFileDialogAcceptFolder(HWND wnd, const Zstring& folderPath)
{
if (dirExists(folderPath))
return true;
const std::wstring msg = replaceCpy(_("Cannot find folder %x."), L"%x", fmtPath(folderPath));
::MessageBox(wnd, msg.c_str(), (_("Select a folder")).c_str(), MB_ICONWARNING);
//showNotificationDialog would not support HWND parent
return false;
}
#endif
void FolderSelector2::onSelectDir(wxCommandEvent& event)
{
//IFileDialog requirements for default path: 1. accepts native paths only!!! 2. path must exist!
Zstring defaultFolderPath;
{
const Zstring folderPath = getResolvedFilePath(getPath());
if (!folderPath.empty())
{
auto ft = runAsync([folderPath] { return dirExists(folderPath); });
if (ft.wait_for(std::chrono::milliseconds(200)) == std::future_status::ready && ft.get()) //potentially slow network access: wait 200ms at most
defaultFolderPath = folderPath;
}
}
#ifdef ZEN_WIN_VISTA_AND_LATER
Zstring newFolder;
try
{
//some random GUID => have Windows save IFileDialog state separately from other file/dir pickers!
const GUID guid = { 0xe89c1f5d, 0xb217, 0x5546, { 0xa3, 0xc0, 0xdc, 0xcb, 0x37, 0xbb, 0x4e, 0x35 } };
const std::pair<Zstring, bool> rv = ifile::showFolderPicker(static_cast<HWND>(selectButton_.GetHWND()), defaultFolderPath, nullptr, &guid, onIFileDialogAcceptFolder); //throw FileError
if (!rv.second) //cancelled
return;
newFolder = rv.first;
}
catch (const FileError& e) { showNotificationDialog(&dropWindow_, DialogInfoType::ERROR2, PopupDialogCfg().setDetailInstructions(e.toString())); return; }
#else
wxDirDialog dirPicker(&selectButton_, _("Select a folder"), toWx(defaultFolderPath)); //put modal wxWidgets dialogs on stack: creating on freestore leads to memleak!
if (dirPicker.ShowModal() != wxID_OK)
return;
const Zstring newFolder = toZ(dirPicker.GetPath());
#endif
setFolderPath(newFolder, &folderPathCtrl_, folderPathCtrl_, staticText_);
}
Zstring FolderSelector2::getPath() const
{
return toZ(folderPathCtrl_.GetValue());
}
void FolderSelector2::setPath(const Zstring& dirpath)
{
setFolderPath(dirpath, &folderPathCtrl_, folderPathCtrl_, staticText_);
}
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