1 files changed, 63 insertions, 0 deletions

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+#ifndef UNDO_H
+#define UNDO_H
+
+#include <wx/wxprec.h>
+
+#ifndef WX_PRECOMP
+#include <wx/wx.h>
+#endif
+
+#include <functional>
+#include <string>
+#include <list>
+
+class MapeditFrame;
+
+class Undoable {
+  public:
+    Undoable(std::string title, std::function<void ()> forward, std::function<void ()> backward);
+    virtual std::string getTitle() const;
+    virtual void apply();
+    virtual void undo();
+    virtual void endChanges() {}
+    
+  protected:
+    Undoable() {}
+    
+    std::string title;
+    std::function<void ()> forward;
+    std::function<void ()> backward;
+};
+
+class UndoableTextBox : public wxTextCtrl {
+  public:
+    UndoableTextBox();
+    UndoableTextBox(wxWindow* parent, wxWindowID id, wxString startText, std::string undoType, MapeditFrame* realParent, wxPoint pos = wxDefaultPosition, wxSize size = wxDefaultSize, long style = 0);
+    
+  private:
+    class Undo : public Undoable {
+      public:
+        Undo(std::string title, wxString origText, UndoableTextBox& parent);
+        void apply();
+        void undo();
+        void endChanges();
+      
+        wxString origText;
+        wxString newText;
+        UndoableTextBox& parent;
+    };
+    
+    void Init();
+    void OnFocus(wxFocusEvent& event);
+    void OnKillFocus(wxFocusEvent& event);
+    void OnTextChange(wxCommandEvent& event);
+    
+    MapeditFrame* realParent;
+    std::string undoText;
+    wxString curText;
+    std::shared_ptr<Undo> undo;
+    
+    wxDECLARE_EVENT_TABLE();
+};
+
+#endif