+private:
+ size_t m_nRef;
+
+ // suppress the stupid gcc warning about the class having private dtor and
+ // no friends
+ friend class wxGridCellWorkerDummyFriend;
+};
+
+// ----------------------------------------------------------------------------
+// wxGridCellRenderer: this class is responsible for actually drawing the cell
+// in the grid. You may pass it to the wxGridCellAttr (below) to change the
+// format of one given cell or to wxGrid::SetDefaultRenderer() to change the
+// view of all cells. This is an ABC, you will normally use one of the
+// predefined derived classes or derive your own class from it.
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_ADV wxGridCellRenderer : public wxGridCellWorker
+{
+public:
+ // draw the given cell on the provided DC inside the given rectangle
+ // using the style specified by the attribute and the default or selected
+ // state corresponding to the isSelected value.
+ //
+ // this pure virtual function has a default implementation which will
+ // prepare the DC using the given attribute: it will draw the rectangle
+ // with the bg colour from attr and set the text colour and font
+ virtual void Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rect,
+ int row, int col,
+ bool isSelected) = 0;
+
+ // get the preferred size of the cell for its contents
+ virtual wxSize GetBestSize(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ int row, int col) = 0;
+
+ // create a new object which is the copy of this one
+ virtual wxGridCellRenderer *Clone() const = 0;
+};
+
+// the default renderer for the cells containing string data
+class WXDLLIMPEXP_ADV wxGridCellStringRenderer : public wxGridCellRenderer
+{
+public:
+ // draw the string
+ virtual void Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rect,
+ int row, int col,
+ bool isSelected);
+
+ // return the string extent
+ virtual wxSize GetBestSize(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ int row, int col);
+
+ virtual wxGridCellRenderer *Clone() const
+ { return new wxGridCellStringRenderer; }
+
+protected:
+ // set the text colours before drawing
+ void SetTextColoursAndFont(const wxGrid& grid,
+ const wxGridCellAttr& attr,
+ wxDC& dc,
+ bool isSelected);
+
+ // calc the string extent for given string/font
+ wxSize DoGetBestSize(const wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxString& text);
+};
+
+// the default renderer for the cells containing numeric (long) data
+class WXDLLIMPEXP_ADV wxGridCellNumberRenderer : public wxGridCellStringRenderer
+{
+public:
+ // draw the string right aligned
+ virtual void Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rect,
+ int row, int col,
+ bool isSelected);
+
+ virtual wxSize GetBestSize(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ int row, int col);
+
+ virtual wxGridCellRenderer *Clone() const
+ { return new wxGridCellNumberRenderer; }
+
+protected:
+ wxString GetString(const wxGrid& grid, int row, int col);
+};
+
+class WXDLLIMPEXP_ADV wxGridCellFloatRenderer : public wxGridCellStringRenderer
+{
+public:
+ wxGridCellFloatRenderer(int width = -1, int precision = -1);
+
+ // get/change formatting parameters
+ int GetWidth() const { return m_width; }
+ void SetWidth(int width) { m_width = width; m_format.clear(); }
+ int GetPrecision() const { return m_precision; }
+ void SetPrecision(int precision) { m_precision = precision; m_format.clear(); }
+
+ // draw the string right aligned with given width/precision
+ virtual void Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rect,
+ int row, int col,
+ bool isSelected);
+
+ virtual wxSize GetBestSize(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ int row, int col);
+
+ // parameters string format is "width[,precision]"
+ virtual void SetParameters(const wxString& params);
+
+ virtual wxGridCellRenderer *Clone() const;
+
+protected:
+ wxString GetString(const wxGrid& grid, int row, int col);
+
+private:
+ // formatting parameters
+ int m_width,
+ m_precision;
+
+ wxString m_format;
+};
+
+// renderer for boolean fields
+class WXDLLIMPEXP_ADV wxGridCellBoolRenderer : public wxGridCellRenderer
+{
+public:
+ // draw a check mark or nothing
+ virtual void Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rect,
+ int row, int col,
+ bool isSelected);
+
+ // return the checkmark size
+ virtual wxSize GetBestSize(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ int row, int col);
+
+ virtual wxGridCellRenderer *Clone() const
+ { return new wxGridCellBoolRenderer; }
+
+private:
+ static wxSize ms_sizeCheckMark;
+};
+
+// ----------------------------------------------------------------------------
+// wxGridCellEditor: This class is responsible for providing and manipulating
+// the in-place edit controls for the grid. Instances of wxGridCellEditor
+// (actually, instances of derived classes since it is an ABC) can be
+// associated with the cell attributes for individual cells, rows, columns, or
+// even for the entire grid.
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_ADV wxGridCellEditor : public wxGridCellWorker
+{
+public:
+ wxGridCellEditor();
+
+ bool IsCreated() { return m_control != NULL; }
+ wxControl* GetControl() { return m_control; }
+ void SetControl(wxControl* control) { m_control = control; }
+
+ wxGridCellAttr* GetCellAttr() { return m_attr; }
+ void SetCellAttr(wxGridCellAttr* attr) { m_attr = attr; }
+
+ // Creates the actual edit control
+ virtual void Create(wxWindow* parent,
+ wxWindowID id,
+ wxEvtHandler* evtHandler) = 0;
+
+ // Size and position the edit control
+ virtual void SetSize(const wxRect& rect);
+
+ // Show or hide the edit control, use the specified attributes to set
+ // colours/fonts for it
+ virtual void Show(bool show, wxGridCellAttr *attr = (wxGridCellAttr *)NULL);
+
+ // Draws the part of the cell not occupied by the control: the base class
+ // version just fills it with background colour from the attribute
+ virtual void PaintBackground(const wxRect& rectCell, wxGridCellAttr *attr);
+
+ // Fetch the value from the table and prepare the edit control
+ // to begin editing. Set the focus to the edit control.
+ virtual void BeginEdit(int row, int col, wxGrid* grid) = 0;
+
+ // Complete the editing of the current cell. Returns true if the value has
+ // changed. If necessary, the control may be destroyed.
+ virtual bool EndEdit(int row, int col, wxGrid* grid) = 0;
+
+ // Reset the value in the control back to its starting value
+ virtual void Reset() = 0;
+
+ // return true to allow the given key to start editing: the base class
+ // version only checks that the event has no modifiers. The derived
+ // classes are supposed to do "if ( base::IsAcceptedKey() && ... )" in
+ // their IsAcceptedKey() implementation, although, of course, it is not a
+ // mandatory requirment.
+ //
+ // NB: if the key is F2 (special), editing will always start and this
+ // method will not be called at all (but StartingKey() will)
+ virtual bool IsAcceptedKey(wxKeyEvent& event);
+
+ // If the editor is enabled by pressing keys on the grid, this will be
+ // called to let the editor do something about that first key if desired
+ virtual void StartingKey(wxKeyEvent& event);
+
+ // if the editor is enabled by clicking on the cell, this method will be
+ // called
+ virtual void StartingClick();
+
+ // Some types of controls on some platforms may need some help
+ // with the Return key.
+ virtual void HandleReturn(wxKeyEvent& event);
+
+ // Final cleanup
+ virtual void Destroy();
+
+ // create a new object which is the copy of this one
+ virtual wxGridCellEditor *Clone() const = 0;
+
+ // added GetValue so we can get the value which is in the control
+ virtual wxString GetValue() const = 0;
+
+protected:
+ // the dtor is private because only DecRef() can delete us
+ virtual ~wxGridCellEditor();
+
+ // the control we show on screen
+ wxControl* m_control;
+
+ // a temporary pointer to the attribute being edited
+ wxGridCellAttr* m_attr;
+
+ // if we change the colours/font of the control from the default ones, we
+ // must restore the default later and we save them here between calls to
+ // Show(true) and Show(false)
+ wxColour m_colFgOld,
+ m_colBgOld;
+ wxFont m_fontOld;
+
+ // suppress the stupid gcc warning about the class having private dtor and
+ // no friends
+ friend class wxGridCellEditorDummyFriend;
+
+ DECLARE_NO_COPY_CLASS(wxGridCellEditor)
+};
+
+#if wxUSE_TEXTCTRL
+
+// the editor for string/text data
+class WXDLLIMPEXP_ADV wxGridCellTextEditor : public wxGridCellEditor
+{
+public:
+ wxGridCellTextEditor();
+
+ virtual void Create(wxWindow* parent,
+ wxWindowID id,
+ wxEvtHandler* evtHandler);
+ virtual void SetSize(const wxRect& rect);
+
+ virtual void PaintBackground(const wxRect& rectCell, wxGridCellAttr *attr);
+
+ virtual bool IsAcceptedKey(wxKeyEvent& event);
+ virtual void BeginEdit(int row, int col, wxGrid* grid);
+ virtual bool EndEdit(int row, int col, wxGrid* grid);
+
+ virtual void Reset();
+ virtual void StartingKey(wxKeyEvent& event);
+ virtual void HandleReturn(wxKeyEvent& event);
+
+ // parameters string format is "max_width"
+ virtual void SetParameters(const wxString& params);
+
+ virtual wxGridCellEditor *Clone() const
+ { return new wxGridCellTextEditor; }
+
+ // added GetValue so we can get the value which is in the control
+ virtual wxString GetValue() const;
+
+protected:
+ wxTextCtrl *Text() const { return (wxTextCtrl *)m_control; }
+
+ // parts of our virtual functions reused by the derived classes
+ void DoBeginEdit(const wxString& startValue);
+ void DoReset(const wxString& startValue);
+
+private:
+ size_t m_maxChars; // max number of chars allowed
+ wxString m_startValue;
+
+ DECLARE_NO_COPY_CLASS(wxGridCellTextEditor)
+};
+
+// the editor for numeric (long) data
+class WXDLLIMPEXP_ADV wxGridCellNumberEditor : public wxGridCellTextEditor
+{
+public:
+ // allows to specify the range - if min == max == -1, no range checking is
+ // done
+ wxGridCellNumberEditor(int min = -1, int max = -1);
+
+ virtual void Create(wxWindow* parent,
+ wxWindowID id,
+ wxEvtHandler* evtHandler);
+
+ virtual bool IsAcceptedKey(wxKeyEvent& event);
+ virtual void BeginEdit(int row, int col, wxGrid* grid);
+ virtual bool EndEdit(int row, int col, wxGrid* grid);
+
+ virtual void Reset();
+ virtual void StartingKey(wxKeyEvent& event);
+
+ // parameters string format is "min,max"
+ virtual void SetParameters(const wxString& params);
+
+ virtual wxGridCellEditor *Clone() const
+ { return new wxGridCellNumberEditor(m_min, m_max); }
+
+ // added GetValue so we can get the value which is in the control
+ virtual wxString GetValue() const;
+
+protected:
+#if wxUSE_SPINCTRL
+ wxSpinCtrl *Spin() const { return (wxSpinCtrl *)m_control; }
+#endif
+
+ // if HasRange(), we use wxSpinCtrl - otherwise wxTextCtrl
+ bool HasRange() const
+ {
+#if wxUSE_SPINCTRL
+ return m_min != m_max;
+#else
+ return false;
+#endif
+ }
+
+ // string representation of m_valueOld
+ wxString GetString() const
+ { return wxString::Format(_T("%ld"), m_valueOld); }
+
+private:
+ int m_min,
+ m_max;
+
+ long m_valueOld;
+
+ DECLARE_NO_COPY_CLASS(wxGridCellNumberEditor)
+};
+
+// the editor for floating point numbers (double) data
+class WXDLLIMPEXP_ADV wxGridCellFloatEditor : public wxGridCellTextEditor
+{
+public:
+ wxGridCellFloatEditor(int width = -1, int precision = -1);
+
+ virtual void Create(wxWindow* parent,
+ wxWindowID id,
+ wxEvtHandler* evtHandler);
+
+ virtual bool IsAcceptedKey(wxKeyEvent& event);
+ virtual void BeginEdit(int row, int col, wxGrid* grid);
+ virtual bool EndEdit(int row, int col, wxGrid* grid);
+
+ virtual void Reset();
+ virtual void StartingKey(wxKeyEvent& event);
+
+ virtual wxGridCellEditor *Clone() const
+ { return new wxGridCellFloatEditor(m_width, m_precision); }
+
+ // parameters string format is "width,precision"
+ virtual void SetParameters(const wxString& params);
+
+protected:
+ // string representation of m_valueOld
+ wxString GetString() const;
+
+private:
+ int m_width,
+ m_precision;
+ double m_valueOld;
+
+ DECLARE_NO_COPY_CLASS(wxGridCellFloatEditor)
+};
+
+#endif // wxUSE_TEXTCTRL
+
+#if wxUSE_CHECKBOX
+
+// the editor for boolean data
+class WXDLLIMPEXP_ADV wxGridCellBoolEditor : public wxGridCellEditor
+{
+public:
+ wxGridCellBoolEditor() { }
+
+ virtual void Create(wxWindow* parent,
+ wxWindowID id,
+ wxEvtHandler* evtHandler);
+
+ virtual void SetSize(const wxRect& rect);
+ virtual void Show(bool show, wxGridCellAttr *attr = NULL);
+
+ virtual bool IsAcceptedKey(wxKeyEvent& event);
+ virtual void BeginEdit(int row, int col, wxGrid* grid);
+ virtual bool EndEdit(int row, int col, wxGrid* grid);
+
+ virtual void Reset();
+ virtual void StartingClick();
+ virtual void StartingKey(wxKeyEvent& event);
+
+ virtual wxGridCellEditor *Clone() const
+ { return new wxGridCellBoolEditor; }
+
+ // added GetValue so we can get the value which is in the control, see
+ // also UseStringValues()
+ virtual wxString GetValue() const;
+
+ // set the string values returned by GetValue() for the true and false
+ // states, respectively
+ static void UseStringValues(const wxString& valueTrue = _T("1"),
+ const wxString& valueFalse = wxEmptyString);
+
+ // return true if the given string is equal to the string representation of
+ // true value which we currently use
+ static bool IsTrueValue(const wxString& value);
+
+protected:
+ wxCheckBox *CBox() const { return (wxCheckBox *)m_control; }
+
+private:
+ bool m_startValue;
+
+ static wxString ms_stringValues[2];
+
+ DECLARE_NO_COPY_CLASS(wxGridCellBoolEditor)
+};
+
+#endif // wxUSE_CHECKBOX
+
+#if wxUSE_COMBOBOX
+
+// the editor for string data allowing to choose from the list of strings
+class WXDLLIMPEXP_ADV wxGridCellChoiceEditor : public wxGridCellEditor
+{
+public:
+ // if !allowOthers, user can't type a string not in choices array
+ wxGridCellChoiceEditor(size_t count = 0,
+ const wxString choices[] = NULL,
+ bool allowOthers = false);
+ wxGridCellChoiceEditor(const wxArrayString& choices,
+ bool allowOthers = false);
+
+ virtual void Create(wxWindow* parent,
+ wxWindowID id,
+ wxEvtHandler* evtHandler);
+
+ virtual void PaintBackground(const wxRect& rectCell, wxGridCellAttr *attr);
+
+ virtual void BeginEdit(int row, int col, wxGrid* grid);
+ virtual bool EndEdit(int row, int col, wxGrid* grid);
+
+ virtual void Reset();
+
+ // parameters string format is "item1[,item2[...,itemN]]"
+ virtual void SetParameters(const wxString& params);
+
+ virtual wxGridCellEditor *Clone() const;
+
+ // added GetValue so we can get the value which is in the control
+ virtual wxString GetValue() const;
+
+protected:
+ wxComboBox *Combo() const { return (wxComboBox *)m_control; }
+
+// DJC - (MAPTEK) you at least need access to m_choices if you
+// wish to override this class
+protected:
+ wxString m_startValue;
+ wxArrayString m_choices;
+ bool m_allowOthers;
+
+ DECLARE_NO_COPY_CLASS(wxGridCellChoiceEditor)
+};
+
+#endif // wxUSE_COMBOBOX
+
+// ----------------------------------------------------------------------------
+// wxGridCellAttr: this class can be used to alter the cells appearance in
+// the grid by changing their colour/font/... from default. An object of this
+// class may be returned by wxGridTable::GetAttr().
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_ADV wxGridCellAttr : public wxClientDataContainer
+{
+public:
+ enum wxAttrKind
+ {
+ Any,
+ Default,
+ Cell,
+ Row,
+ Col,
+ Merged
+ };
+
+ // ctors
+ wxGridCellAttr(wxGridCellAttr *attrDefault = NULL)
+ {
+ Init(attrDefault);
+
+ // MB: args used to be 0,0 here but wxALIGN_LEFT is 0
+ SetAlignment(-1, -1);
+ }
+
+ // VZ: considering the number of members wxGridCellAttr has now, this ctor
+ // seems to be pretty useless... may be we should just remove it?
+ wxGridCellAttr(const wxColour& colText,
+ const wxColour& colBack,
+ const wxFont& font,
+ int hAlign,
+ int vAlign)
+ : m_colText(colText), m_colBack(colBack), m_font(font)
+ {
+ Init();
+ SetAlignment(hAlign, vAlign);
+ }
+
+ // creates a new copy of this object
+ wxGridCellAttr *Clone() const;
+ void MergeWith(wxGridCellAttr *mergefrom);
+
+ // this class is ref counted: it is created with ref count of 1, so
+ // calling DecRef() once will delete it. Calling IncRef() allows to lock
+ // it until the matching DecRef() is called
+ void IncRef() { m_nRef++; }
+ void DecRef() { if ( --m_nRef == 0 ) delete this; }
+
+ // setters
+ void SetTextColour(const wxColour& colText) { m_colText = colText; }
+ void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
+ void SetFont(const wxFont& font) { m_font = font; }
+ void SetAlignment(int hAlign, int vAlign)
+ {
+ m_hAlign = hAlign;
+ m_vAlign = vAlign;
+ }
+ void SetSize(int num_rows, int num_cols);
+ void SetOverflow(bool allow = true)
+ { m_overflow = allow ? Overflow : SingleCell; }
+ void SetReadOnly(bool isReadOnly = true)
+ { m_isReadOnly = isReadOnly ? ReadOnly : ReadWrite; }
+
+ // takes ownership of the pointer
+ void SetRenderer(wxGridCellRenderer *renderer)
+ { wxSafeDecRef(m_renderer); m_renderer = renderer; }
+ void SetEditor(wxGridCellEditor* editor)
+ { wxSafeDecRef(m_editor); m_editor = editor; }
+
+ void SetKind(wxAttrKind kind) { m_attrkind = kind; }
+
+ // accessors
+ bool HasTextColour() const { return m_colText.Ok(); }
+ bool HasBackgroundColour() const { return m_colBack.Ok(); }
+ bool HasFont() const { return m_font.Ok(); }
+ bool HasAlignment() const { return (m_hAlign != -1 || m_vAlign != -1); }
+ bool HasRenderer() const { return m_renderer != NULL; }
+ bool HasEditor() const { return m_editor != NULL; }
+ bool HasReadWriteMode() const { return m_isReadOnly != Unset; }
+ bool HasOverflowMode() const { return m_overflow != UnsetOverflow; }
+ bool HasSize() const { return m_sizeRows != 1 || m_sizeCols != 1; }
+
+ const wxColour& GetTextColour() const;
+ const wxColour& GetBackgroundColour() const;
+ const wxFont& GetFont() const;
+ void GetAlignment(int *hAlign, int *vAlign) const;
+ void GetSize(int *num_rows, int *num_cols) const;
+ bool GetOverflow() const
+ { return m_overflow != SingleCell; }
+ wxGridCellRenderer *GetRenderer(const wxGrid* grid, int row, int col) const;
+ wxGridCellEditor *GetEditor(const wxGrid* grid, int row, int col) const;
+
+ bool IsReadOnly() const { return m_isReadOnly == wxGridCellAttr::ReadOnly; }
+
+ wxAttrKind GetKind() { return m_attrkind; }
+
+ void SetDefAttr(wxGridCellAttr* defAttr) { m_defGridAttr = defAttr; }
+
+protected:
+ // the dtor is private because only DecRef() can delete us
+ virtual ~wxGridCellAttr()
+ {
+ wxSafeDecRef(m_renderer);
+ wxSafeDecRef(m_editor);
+ }
+
+private:
+ enum wxAttrReadMode
+ {
+ Unset = -1,
+ ReadWrite,
+ ReadOnly
+ };
+
+ enum wxAttrOverflowMode
+ {
+ UnsetOverflow = -1,
+ Overflow,
+ SingleCell
+ };
+
+ // the common part of all ctors
+ void Init(wxGridCellAttr *attrDefault = NULL);
+
+
+ // the ref count - when it goes to 0, we die
+ size_t m_nRef;
+
+ wxColour m_colText,
+ m_colBack;
+ wxFont m_font;
+ int m_hAlign,
+ m_vAlign;
+ int m_sizeRows,
+ m_sizeCols;
+
+ wxAttrOverflowMode m_overflow;
+
+ wxGridCellRenderer* m_renderer;
+ wxGridCellEditor* m_editor;
+ wxGridCellAttr* m_defGridAttr;
+
+ wxAttrReadMode m_isReadOnly;
+
+ wxAttrKind m_attrkind;
+
+ // use Clone() instead
+ DECLARE_NO_COPY_CLASS(wxGridCellAttr)
+
+ // suppress the stupid gcc warning about the class having private dtor and
+ // no friends
+ friend class wxGridCellAttrDummyFriend;
+};
+
+// ----------------------------------------------------------------------------
+// wxGridCellAttrProvider: class used by wxGridTableBase to retrieve/store the
+// cell attributes.
+// ----------------------------------------------------------------------------
+
+// implementation note: we separate it from wxGridTableBase because we wish to
+// avoid deriving a new table class if possible, and sometimes it will be
+// enough to just derive another wxGridCellAttrProvider instead
+//
+// the default implementation is reasonably efficient for the generic case,
+// but you might still wish to implement your own for some specific situations
+// if you have performance problems with the stock one
+class WXDLLIMPEXP_ADV wxGridCellAttrProvider : public wxClientDataContainer
+{
+public:
+ wxGridCellAttrProvider();
+ virtual ~wxGridCellAttrProvider();
+
+ // DecRef() must be called on the returned pointer
+ virtual wxGridCellAttr *GetAttr(int row, int col,
+ wxGridCellAttr::wxAttrKind kind ) const;
+
+ // all these functions take ownership of the pointer, don't call DecRef()
+ // on it
+ virtual void SetAttr(wxGridCellAttr *attr, int row, int col);
+ virtual void SetRowAttr(wxGridCellAttr *attr, int row);
+ virtual void SetColAttr(wxGridCellAttr *attr, int col);
+
+ // these functions must be called whenever some rows/cols are deleted
+ // because the internal data must be updated then
+ void UpdateAttrRows( size_t pos, int numRows );
+ void UpdateAttrCols( size_t pos, int numCols );
+
+private:
+ void InitData();
+
+ wxGridCellAttrProviderData *m_data;
+
+ DECLARE_NO_COPY_CLASS(wxGridCellAttrProvider)
+};
projects / wxWidgets.git / blobdiff