initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/samples/dataview/mymodels.h

@@ -0,0 +1,287 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        mymodels.h
+// Purpose:     wxDataViewCtrl wxWidgets sample
+// Author:      Robert Roebling
+// Modified by: Francesco Montorsi, Bo Yang
+// Created:     06/01/06
+// Copyright:   (c) Robert Roebling
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#include <memory>
+#include <unordered_map>
+#include <vector>
+
+// ----------------------------------------------------------------------------
+// MyMusicTreeModelNode: a node inside MyMusicTreeModel
+// ----------------------------------------------------------------------------
+
+class MyMusicTreeModelNode;
+using MyMusicTreeModelNodePtr = std::unique_ptr<MyMusicTreeModelNode>;
+using MyMusicTreeModelNodePtrArray = std::vector<MyMusicTreeModelNodePtr>;
+
+class MyMusicTreeModelNode
+{
+public:
+    MyMusicTreeModelNode( MyMusicTreeModelNode* parent,
+                          const wxString &title, const wxString &artist,
+                          int year )
+    {
+        m_parent = parent;
+
+        m_title = title;
+        m_artist = artist;
+        m_year = year;
+        m_quality = "good";
+
+        m_container = false;
+    }
+
+    MyMusicTreeModelNode( MyMusicTreeModelNode* parent,
+                          const wxString &branch )
+    {
+        m_parent = parent;
+
+        m_title = branch;
+        m_year = -1;
+
+        m_container = true;
+    }
+
+    ~MyMusicTreeModelNode() = default;
+
+    bool IsContainer() const
+        { return m_container; }
+
+    MyMusicTreeModelNode* GetParent()
+        { return m_parent; }
+    MyMusicTreeModelNodePtrArray& GetChildren()
+        { return m_children; }
+    MyMusicTreeModelNode* GetNthChild( unsigned int n )
+        { return m_children.at( n ).get(); }
+    void Insert( MyMusicTreeModelNode* child, unsigned int n)
+        { m_children.insert( m_children.begin() + n, MyMusicTreeModelNodePtr(child) ); }
+    void Append( MyMusicTreeModelNode* child )
+        { m_children.push_back( MyMusicTreeModelNodePtr(child) ); }
+    unsigned int GetChildCount() const
+        { return m_children.size(); }
+
+public:     // public to avoid getters/setters
+    wxString                m_title;
+    wxString                m_artist;
+    int                     m_year;
+    wxString                m_quality;
+
+    // TODO/FIXME:
+    // the GTK version of wxDVC (in particular wxDataViewCtrlInternal::ItemAdded)
+    // needs to know in advance if a node is or _will be_ a container.
+    // Thus implementing:
+    //   bool IsContainer() const
+    //    { return !m_children.empty(); }
+    // doesn't work with wxGTK when MyMusicTreeModel::AddToClassical is called
+    // AND the classical node was removed (a new node temporary without children
+    // would be added to the control)
+    bool m_container;
+
+private:
+    MyMusicTreeModelNode          *m_parent;
+    MyMusicTreeModelNodePtrArray   m_children;
+};
+
+
+// ----------------------------------------------------------------------------
+// MyMusicTreeModel
+// ----------------------------------------------------------------------------
+
+/*
+Implement this data model
+            Title               Artist               Year        Judgement
+--------------------------------------------------------------------------
+1: My Music:
+    2:  Pop music
+        3:  You are not alone   Michael Jackson      1995        good
+        4:  Take a bow          Madonna              1994        good
+    5:  Classical music
+        6:  Ninth Symphony      Ludwig v. Beethoven  1824        good
+        7:  German Requiem      Johannes Brahms      1868        good
+*/
+
+class MyMusicTreeModel: public wxDataViewModel
+{
+public:
+    MyMusicTreeModel();
+    ~MyMusicTreeModel()
+    {
+        delete m_root;
+    }
+
+    // helper method for wxLog
+
+    wxString GetTitle( const wxDataViewItem &item ) const;
+    wxString GetArtist( const wxDataViewItem &item ) const;
+    int GetYear( const wxDataViewItem &item ) const;
+
+    // helper methods to change the model
+
+    void AddToClassical( const wxString &title, const wxString &artist,
+                         unsigned int year );
+    void Delete( const wxDataViewItem &item );
+    void Clear();
+
+    wxDataViewItem GetNinthItem() const
+    {
+       return wxDataViewItem( m_ninth );
+    }
+
+    // override sorting to always sort branches ascendingly
+
+    int Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
+                 unsigned int column, bool ascending ) const override;
+
+    // implementation of base class virtuals to define model
+
+    virtual void GetValue( wxVariant &variant,
+                           const wxDataViewItem &item, unsigned int col ) const override;
+    virtual bool SetValue( const wxVariant &variant,
+                           const wxDataViewItem &item, unsigned int col ) override;
+
+    virtual bool IsEnabled( const wxDataViewItem &item,
+                            unsigned int col ) const override;
+
+    virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const override;
+    virtual bool IsContainer( const wxDataViewItem &item ) const override;
+    virtual unsigned int GetChildren( const wxDataViewItem &parent,
+                                      wxDataViewItemArray &array ) const override;
+
+private:
+    MyMusicTreeModelNode*   m_root;
+
+    // pointers to some "special" nodes of the tree:
+    MyMusicTreeModelNode*   m_pop;
+    MyMusicTreeModelNode*   m_classical;
+    MyMusicTreeModelNode*   m_ninth;
+};
+
+
+// ----------------------------------------------------------------------------
+// MyLongMusicTreeModel
+// ----------------------------------------------------------------------------
+
+class MyLongMusicTreeModel : public MyMusicTreeModel
+{
+public:
+    MyLongMusicTreeModel();
+};
+
+
+// ----------------------------------------------------------------------------
+// MyListModel
+// ----------------------------------------------------------------------------
+
+class MyListModel: public wxDataViewVirtualListModel
+{
+public:
+    enum
+    {
+        Col_ToggleIconText,
+        Col_EditableText,
+        Col_Date,
+        Col_TextWithAttr,
+        Col_Custom
+    };
+
+    MyListModel(int modelFlags);
+
+    // helper methods to change the model
+
+    void Prepend( const wxString &text );
+    void DeleteItem( const wxDataViewItem &item );
+    void DeleteItems( const wxDataViewItemArray &items );
+    void AddMany();
+
+
+    // implementation of base class virtuals to define model
+
+    virtual void GetValueByRow( wxVariant &variant,
+                                unsigned int row, unsigned int col ) const override;
+    virtual bool GetAttrByRow( unsigned int row, unsigned int col,
+                               wxDataViewItemAttr &attr ) const override;
+    virtual bool SetValueByRow( const wxVariant &variant,
+                                unsigned int row, unsigned int col ) override;
+
+private:
+    std::vector<bool>   m_toggleColValues;
+    wxArrayString    m_textColValues;
+    wxArrayString    m_iconColValues;
+    std::unordered_map<unsigned, wxString> m_customColValues;
+    wxBitmapBundle   m_icon[2];
+};
+
+// ----------------------------------------------------------------------------
+// MyListStoreDerivedModel
+// ----------------------------------------------------------------------------
+
+class MyListStoreDerivedModel : public wxDataViewListStore
+{
+public:
+    virtual bool IsEnabledByRow(unsigned int row, unsigned int col) const override;
+};
+
+// ----------------------------------------------------------------------------
+// MyListStoreHasValueModel
+// ----------------------------------------------------------------------------
+
+class MyListStoreHasValueModel : public MyListStoreDerivedModel
+{
+public:
+    virtual bool HasValue(const wxDataViewItem &item, unsigned int col) const override;
+};
+
+// ----------------------------------------------------------------------------
+// MyIndexListModel
+// ----------------------------------------------------------------------------
+
+class MyIndexListModel : public wxDataViewIndexListModel
+{
+public:
+    MyIndexListModel() { }
+    MyIndexListModel(const MyIndexListModel&) = delete;
+    MyIndexListModel& operator=(const MyIndexListModel&) = delete;
+
+    void Fill(const wxArrayString& strings)
+    {
+        m_strings = strings;
+
+        Reset(m_strings.size());
+    }
+
+    // Implement base class pure virtual methods.
+    unsigned GetCount() const override { return m_strings.size(); }
+    void GetValueByRow(wxVariant& val, unsigned row, unsigned) const override
+    {
+        val = m_strings[row];
+    }
+    bool SetValueByRow(const wxVariant&, unsigned, unsigned) override
+    {
+        return false;
+    }
+
+private:
+    wxArrayString m_strings;
+};
+
+enum ModelFlags
+{
+    MODEL_USE_TALL_ROWS = 1 << 0,
+    MODEL_KEEP_LOGO_SMALL = 1 << 1,
+    MODEL_USE_MULTI_LINE_TEXT = 1 << 2
+};
+
+inline wxSize GetIconSizeFromModelFlags(int modelFlags)
+{
+    wxSize size(16, 16);
+    if ( (modelFlags & MODEL_USE_TALL_ROWS) && !(modelFlags & MODEL_KEEP_LOGO_SMALL) )
+        size *= 2;
+
+    return size;
+}