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// *****************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: https://www.gnu.org/licenses/gpl-3.0 *
// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
// *****************************************************************************
#include "folder_selector2.h"
#include <zen/thread.h>
#include <zen/file_access.h>
#include <wx/scrolwin.h>
#include <wx/dirdlg.h>
#include <wx+/popup_dlg.h>
#include <zen/resolve_path.h>
#include <gtk/gtk.h>
using namespace zen;
using namespace rts;
namespace
{
constexpr std::chrono::milliseconds FOLDER_SELECTED_EXISTENCE_CHECK_TIME_MAX(200);
void setFolderPath(const Zstring& dirpath, wxTextCtrl* txtCtrl, wxWindow& tooltipWnd, wxStaticText* staticText) //pointers are optional
{
if (txtCtrl)
txtCtrl->ChangeValue(utfTo<wxString>(dirpath));
const Zstring folderPathFmt = getResolvedFilePath(dirpath); //may block when resolving [<volume name>]
if (folderPathFmt.empty())
tooltipWnd.UnsetToolTip(); //wxGTK doesn't allow wxToolTip with empty text!
else
tooltipWnd.SetToolTip(utfTo<wxString>(folderPathFmt));
if (staticText) //change static box label only if there is a real difference to what is shown in wxTextCtrl anyway
staticText->SetLabel(equalNativePath(appendSeparator(trimCpy(dirpath)), appendSeparator(folderPathFmt)) ?
wxString(_("Drag && drop")) : utfTo<wxString>(folderPathFmt));
}
}
//##############################################################################################################
FolderSelector2::FolderSelector2(wxWindow* parent,
wxWindow& dropWindow,
wxButton& selectButton,
wxTextCtrl& folderPathCtrl,
Zstring& folderLastSelected,
wxStaticText* staticText,
const std::function<bool (const std::vector<Zstring>& shellItemPaths)>& droppedPathsFilter) :
droppedPathsFilter_ (droppedPathsFilter),
parent_(parent),
dropWindow_(dropWindow),
selectButton_(selectButton),
folderPathCtrl_(folderPathCtrl),
folderLastSelected_(folderLastSelected),
staticText_(staticText)
{
//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);
setupFileDrop(dropWindow_);
dropWindow_.Bind(EVENT_DROP_FILE, &FolderSelector2::onFilesDropped, this);
//keep folderSelector and dirpath synchronous
folderPathCtrl_.Bind(wxEVT_MOUSEWHEEL, &FolderSelector2::onMouseWheel, this);
folderPathCtrl_.Bind(wxEVT_COMMAND_TEXT_UPDATED, &FolderSelector2::onEditFolderPath, this);
selectButton_ .Bind(wxEVT_COMMAND_BUTTON_CLICKED, &FolderSelector2::onSelectDir, this);
}
FolderSelector2::~FolderSelector2()
{
[[maybe_unused]] bool ubOk1 = dropWindow_.Unbind(EVENT_DROP_FILE, &FolderSelector2::onFilesDropped, this);
[[maybe_unused]] bool ubOk2 = folderPathCtrl_.Unbind(wxEVT_MOUSEWHEEL, &FolderSelector2::onMouseWheel, this);
[[maybe_unused]] bool ubOk3 = folderPathCtrl_.Unbind(wxEVT_COMMAND_TEXT_UPDATED, &FolderSelector2::onEditFolderPath, this);
[[maybe_unused]] bool ubOk4 = selectButton_ .Unbind(wxEVT_COMMAND_BUTTON_CLICKED, &FolderSelector2::onSelectDir, this);
assert(ubOk1 && ubOk2 && ubOk3 && ubOk4);
}
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!
for (wxWindow* wnd = folderPathCtrl_.GetParent(); wnd; wnd = wnd->GetParent())
if (dynamic_cast<wxScrolledWindow*>(wnd) != nullptr)
return wnd->GetEventHandler()->AddPendingEvent(event);
assert(false);
event.Skip();
}
void FolderSelector2::onFilesDropped(FileDropEvent& event)
{
if (event.itemPaths_.empty())
return;
if (!droppedPathsFilter_ || droppedPathsFilter_(event.itemPaths_))
{
Zstring itemPath = event.itemPaths_[0];
try
{
if (getItemType(itemPath) == ItemType::file) //throw FileError
if (const std::optional<Zstring>& parentPath = getParentFolderPath(itemPath))
itemPath = *parentPath;
}
catch (FileError&) {} //e.g. good for inactive mapped network shares, not so nice for C:\pagefile.sys
if (endsWith(itemPath, Zstr(' '))) //prevent getResolvedFilePath() from trimming legit trailing blank!
itemPath += FILE_NAME_SEPARATOR;
setPath(itemPath);
}
//event.Skip();
}
void FolderSelector2::onEditFolderPath(wxCommandEvent& event)
{
setFolderPath(utfTo<Zstring>(event.GetString()), nullptr, folderPathCtrl_, staticText_);
event.Skip();
}
void FolderSelector2::onSelectDir(wxCommandEvent& event)
{
//IFileDialog requirements for default path: 1. accepts native paths only!!! 2. path must exist!
Zstring defaultFolderPath;
{
auto folderAccessible = [stopTime = std::chrono::steady_clock::now() + FOLDER_SELECTED_EXISTENCE_CHECK_TIME_MAX](const Zstring& folderPath)
{
auto ft = runAsync([folderPath]
{
try
{
return getItemType(folderPath) != ItemType::file; //throw FileError
}
catch (FileError&) { return false; }
});
return ft.wait_until(stopTime) == std::future_status::ready && ft.get(); //potentially slow network access: wait 200ms at most
};
auto trySetDefaultPath = [&](const Zstring& folderPathPhrase)
{
if (const Zstring folderPath = getResolvedFilePath(folderPathPhrase);
!folderPath.empty())
if (folderAccessible(folderPath))
defaultFolderPath = folderPath;
};
const Zstring& currentFolderPath = getPath();
trySetDefaultPath(currentFolderPath);
if (defaultFolderPath.empty() && //=> fallback: use last user-selected path
trimCpy(folderLastSelected_) != trimCpy(currentFolderPath) /*case-sensitive comp for path phrase!*/)
trySetDefaultPath(folderLastSelected_);
}
Zstring newFolderPath;
wxDirDialog folderSelector(parent_, _("Select a folder"), utfTo<wxString>(defaultFolderPath), wxDD_DEFAULT_STYLE | wxDD_SHOW_HIDDEN);
if (folderSelector.ShowModal() != wxID_OK)
return;
newFolderPath = utfTo<Zstring>(folderSelector.GetPath());
if (endsWith(newFolderPath, Zstr(' '))) //prevent getResolvedFilePath() from trimming legit trailing blank!
newFolderPath += FILE_NAME_SEPARATOR;
setPath(newFolderPath);
folderLastSelected_ = newFolderPath;
}
Zstring FolderSelector2::getPath() const
{
return utfTo<Zstring>(folderPathCtrl_.GetValue());
}
void FolderSelector2::setPath(const Zstring& dirpath)
{
setFolderPath(dirpath, &folderPathCtrl_, folderPathCtrl_, staticText_);
}
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