1 files changed, 106 insertions, 0 deletions
diff --git a/lib/folder_history_box.h b/lib/folder_history_box.h
new file mode 100644
index 00000000..28b85c90
--- /dev/null
+++ b/lib/folder_history_box.h
@@ -0,0 +1,106 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de)                    *
+// **************************************************************************
+
+#ifndef CUSTOMCOMBOBOX_H_INCLUDED
+#define CUSTOMCOMBOBOX_H_INCLUDED
+
+#include <wx/combobox.h>
+#include <memory>
+#include <zen/zstring.h>
+#include <wx+/string_conv.h>
+#include <zen/stl_tools.h>
+
+//combobox with history function + functionality to delete items (DEL)
+
+
+class FolderHistory
+{
+public:
+    FolderHistory() : maxSize_(0) {}
+
+    FolderHistory(const std::vector<Zstring>& dirnames, size_t maxSize) :
+        maxSize_(maxSize),
+        dirnames_(dirnames)
+    {
+        if (dirnames_.size() > maxSize_) //keep maximal size of history list
+            dirnames_.resize(maxSize_);
+    }
+
+    const std::vector<Zstring>& getList() const { return dirnames_; }
+
+    static const Zstring lineSeparator() { return Zstr("---------------------------------------------------------------------------------------------------------------"); }
+
+    void addItem(const Zstring& dirname)
+    {
+        if (dirname.empty() || dirname == lineSeparator())
+            return;
+
+        Zstring nameTmp = dirname;
+        zen::trim(nameTmp);
+
+        //insert new folder or put it to the front if already existing
+        auto iter = std::find_if(dirnames_.begin(), dirnames_.end(),
+        [&](const Zstring& entry) { return ::EqualFilename()(entry, nameTmp); });
+
+        if (iter != dirnames_.end())
+            dirnames_.erase(iter);
+        dirnames_.insert(dirnames_.begin(), nameTmp);
+
+        if (dirnames_.size() > maxSize_) //keep maximal size of history list
+            dirnames_.resize(maxSize_);
+    }
+
+    void delItem(const Zstring& dirname) { zen::vector_remove_if(dirnames_, [&](const Zstring& entry) { return ::EqualFilename()(entry, dirname); }); }
+
+private:
+
+    size_t maxSize_;
+    std::vector<Zstring> dirnames_;
+};
+
+
+class FolderHistoryBox : public wxComboBox
+{
+public:
+    FolderHistoryBox(wxWindow* parent,
+                     wxWindowID id,
+                     const wxString& value = wxEmptyString,
+                     const wxPoint& pos = wxDefaultPosition,
+                     const wxSize& size = wxDefaultSize,
+                     int n = 0,
+                     const wxString choices[] = NULL,
+                     long style = 0,
+                     const wxValidator& validator = wxDefaultValidator,
+                     const wxString& name = wxComboBoxNameStr);
+
+    void init(const std::shared_ptr<FolderHistory>& sharedHistory) { sharedHistory_ = sharedHistory; }
+
+    void setValue(const wxString& dirname)
+    {
+        update(dirname); //required for setting value correctly + Linux to ensure the dropdown is shown as being populated
+    }
+
+    // GetValue
+
+private:
+    void OnKeyEvent(wxKeyEvent& event);
+    void OnSelection(wxCommandEvent& event);
+    void OnUpdateList(wxEvent& event) { update(GetValue()); event.Skip(); }
+
+    void update(const wxString& dirname);
+
+#if wxCHECK_VERSION(2, 9, 1)
+    void OnShowDropDown(wxCommandEvent& event);
+    void OnHideDropDown(wxCommandEvent& event);
+
+    bool dropDownShown;
+#endif
+
+    std::shared_ptr<FolderHistory> sharedHistory_;
+};
+
+
+#endif // CUSTOMCOMBOBOX_H_INCLUDED