richtextstyles.h

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

    /// Get/set previous sheet
    wxRichTextStyleSheet* GetPreviousSheet() const { return m_previousSheet; }
    void SetPreviousSheet(wxRichTextStyleSheet* sheet) { m_previousSheet = sheet; }

    /// Sets and gets the name of the style sheet
    void SetName(const wxString& name) { m_name = name; }
    const wxString& GetName() const { return m_name; }

    /// Sets and gets the style description
    void SetDescription(const wxString& descr) { m_description = descr; }
    const wxString& GetDescription() const { return m_description; }

/// Implementation

    /// Add a definition to one of the style lists
    bool AddStyle(wxList& list, wxRichTextStyleDefinition* def);

    /// Remove a style
    bool RemoveStyle(wxList& list, wxRichTextStyleDefinition* def, bool deleteStyle);

    /// Find a definition by name
    wxRichTextStyleDefinition* FindStyle(const wxList& list, const wxString& name, bool recurse = true) const;

protected:

    wxString                m_description;
    wxString                m_name;

    wxList                  m_characterStyleDefinitions;
    wxList                  m_paragraphStyleDefinitions;
    wxList                  m_listStyleDefinitions;

    wxRichTextStyleSheet*   m_previousSheet;
    wxRichTextStyleSheet*   m_nextSheet;
};

#if wxUSE_HTML
/*!
 * wxRichTextStyleListBox class declaration
 * A listbox to display styles.
 */

class WXDLLIMPEXP_RICHTEXT wxRichTextStyleListBox: public wxHtmlListBox
{
    DECLARE_CLASS(wxRichTextStyleListBox)
    DECLARE_EVENT_TABLE()

public:
    /// Which type of style definition is currently showing?
    enum wxRichTextStyleType
    {
        wxRICHTEXT_STYLE_ALL,
        wxRICHTEXT_STYLE_PARAGRAPH,
        wxRICHTEXT_STYLE_CHARACTER,
        wxRICHTEXT_STYLE_LIST
    };

    wxRichTextStyleListBox()
    {
        Init();
    }
    wxRichTextStyleListBox(wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
        const wxSize& size = wxDefaultSize, long style = 0);
    virtual ~wxRichTextStyleListBox();

    void Init()
    {
        m_styleSheet = NULL;
        m_richTextCtrl = NULL;
        m_applyOnSelection = false;
        m_styleType = wxRICHTEXT_STYLE_PARAGRAPH;
        m_autoSetSelection = true;
    }

    bool Create(wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
        const wxSize& size = wxDefaultSize, long style = 0);

    /// Creates a suitable HTML fragment for a definition
    wxString CreateHTML(wxRichTextStyleDefinition* def) const;

    /// Associates the control with a style sheet
    void SetStyleSheet(wxRichTextStyleSheet* styleSheet) { m_styleSheet = styleSheet; }
    wxRichTextStyleSheet* GetStyleSheet() const { return m_styleSheet; }

    /// Associates the control with a wxRichTextCtrl
    void SetRichTextCtrl(wxRichTextCtrl* ctrl) { m_richTextCtrl = ctrl; }
    wxRichTextCtrl* GetRichTextCtrl() const { return m_richTextCtrl; }

    /// Get style for index
    wxRichTextStyleDefinition* GetStyle(size_t i) const ;

    /// Get index for style name
    int GetIndexForStyle(const wxString& name) const ;

    /// Set selection for string, returning the index.
    int SetStyleSelection(const wxString& name);

    /// Updates the list
    void UpdateStyles();

    /// Apply the style
    void ApplyStyle(int i);

    /// Left click
    void OnLeftDown(wxMouseEvent& event);

    /// Left double-click
    void OnLeftDoubleClick(wxMouseEvent& event);

    /// Auto-select from style under caret in idle time
    void OnIdle(wxIdleEvent& event);

    /// Convert units in tends of a millimetre to device units
    int ConvertTenthsMMToPixels(wxDC& dc, int units) const;

    /// Can we set the selection based on the editor caret position?
    /// Need to override this if being used in a combobox popup
    virtual bool CanAutoSetSelection() { return m_autoSetSelection; }
    virtual void SetAutoSetSelection(bool autoSet) { m_autoSetSelection = autoSet; }

    /// Set whether the style should be applied as soon as the item is selected (the default)
    void SetApplyOnSelection(bool applyOnSel) { m_applyOnSelection = applyOnSel; }
    bool GetApplyOnSelection() const { return m_applyOnSelection; }

    /// Set the style type to display
    void SetStyleType(wxRichTextStyleType styleType) { m_styleType = styleType; UpdateStyles(); }
    wxRichTextStyleType GetStyleType() const { return m_styleType; }

    /// Helper for listbox and combo control
    static wxString GetStyleToShowInIdleTime(wxRichTextCtrl* ctrl, wxRichTextStyleType styleType);

protected:
    /// Returns the HTML for this item
    virtual wxString OnGetItem(size_t n) const;

private:

    wxRichTextStyleSheet*   m_styleSheet;
    wxRichTextCtrl*         m_richTextCtrl;
    bool                    m_applyOnSelection; // if true, applies style on selection
    wxRichTextStyleType     m_styleType; // style type to display
    bool                    m_autoSetSelection;
    wxArrayString           m_styleNames;
};

/*!
 * wxRichTextStyleListCtrl class declaration
 * This is a container for the list control plus a combobox to switch between
 * style types.
 */

#define wxRICHTEXTSTYLELIST_HIDE_TYPE_SELECTOR     0x1000

class WXDLLIMPEXP_RICHTEXT wxRichTextStyleListCtrl: public wxControl
{
    DECLARE_CLASS(wxRichTextStyleListCtrl)
    DECLARE_EVENT_TABLE()

public:

    /// Constructors
    wxRichTextStyleListCtrl()
    {
        Init();
    }

    wxRichTextStyleListCtrl(wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
        const wxSize& size = wxDefaultSize, long style = 0);

    /// Constructors
    virtual ~wxRichTextStyleListCtrl();

    /// Member initialisation
    void Init()
    {
        m_styleListBox = NULL;
        m_styleChoice = NULL;
        m_dontUpdate = false;
    }

    /// Creates the windows
    bool Create(wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
        const wxSize& size = wxDefaultSize, long style = 0);

    /// Updates the style list box
    void UpdateStyles();

    /// Associates the control with a style sheet
    void SetStyleSheet(wxRichTextStyleSheet* styleSheet);
    wxRichTextStyleSheet* GetStyleSheet() const;

    /// Associates the control with a wxRichTextCtrl
    void SetRichTextCtrl(wxRichTextCtrl* ctrl);
    wxRichTextCtrl* GetRichTextCtrl() const;

    /// Set/get the style type to display
    void SetStyleType(wxRichTextStyleListBox::wxRichTextStyleType styleType);
    wxRichTextStyleListBox::wxRichTextStyleType GetStyleType() const;

    /// Get the choice index for style type
    int StyleTypeToIndex(wxRichTextStyleListBox::wxRichTextStyleType styleType);

    /// Get the style type for choice index
    wxRichTextStyleListBox::wxRichTextStyleType StyleIndexToType(int i);

    /// Get the listbox
    wxRichTextStyleListBox* GetStyleListBox() const { return m_styleListBox; }

    /// Get the choice
    wxChoice* GetStyleChoice() const { return m_styleChoice; }

    /// React to style type choice
    void OnChooseType(wxCommandEvent& event);

    /// Lay out the controls
    void OnSize(wxSizeEvent& event);

private:

    wxRichTextStyleListBox* m_styleListBox;
    wxChoice*               m_styleChoice;
    bool                    m_dontUpdate;
};

#if wxUSE_COMBOCTRL

/*!
 * Style drop-down for a wxComboCtrl
 */

class wxRichTextStyleComboPopup : public wxRichTextStyleListBox, public wxComboPopup
{
public:
    virtual void Init()
    {
        m_itemHere = -1; // hot item in list
        m_value = -1;
    }

    virtual bool Create( wxWindow* parent )
    {
        return wxRichTextStyleListBox::Create(parent, wxID_ANY,
                                  wxPoint(0,0), wxDefaultSize,
                                  wxSIMPLE_BORDER);
    }

    virtual wxWindow *GetControl() { return this; }

    virtual void SetStringValue( const wxString& s );

    virtual wxString GetStringValue() const;

    /// Can we set the selection based on the editor caret position?
    // virtual bool CanAutoSetSelection() { return ((m_combo == NULL) || !m_combo->IsPopupShown()); }
    virtual bool CanAutoSetSelection() { return false; }

    //
    // Popup event handlers
    //

    // Mouse hot-tracking
    void OnMouseMove(wxMouseEvent& event);

    // On mouse left, set the value and close the popup
    void OnMouseClick(wxMouseEvent& WXUNUSED(event));

protected:

    int             m_itemHere; // hot item in popup
    int             m_value;

private:
    DECLARE_EVENT_TABLE()
};

/*!
 * wxRichTextStyleComboCtrl
 * A combo for applying styles.
 */

class WXDLLIMPEXP_RICHTEXT wxRichTextStyleComboCtrl: public wxComboCtrl
{
    DECLARE_CLASS(wxRichTextStyleComboCtrl)
    DECLARE_EVENT_TABLE()

public:
    wxRichTextStyleComboCtrl()
    {
        Init();
    }

    wxRichTextStyleComboCtrl(wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
        const wxSize& size = wxDefaultSize, long style = wxCB_READONLY)
    {
        Init();
        Create(parent, id, pos, size, style);
    }

    virtual ~wxRichTextStyleComboCtrl() {}

    void Init()
    {
        m_stylePopup = NULL;
    }

    bool Create(wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
        const wxSize& size = wxDefaultSize, long style = 0);

    /// Updates the list
    void UpdateStyles() { m_stylePopup->UpdateStyles(); }

    /// Associates the control with a style sheet
    void SetStyleSheet(wxRichTextStyleSheet* styleSheet) { m_stylePopup->SetStyleSheet(styleSheet); }
    wxRichTextStyleSheet* GetStyleSheet() const { return m_stylePopup->GetStyleSheet(); }

    /// Associates the control with a wxRichTextCtrl
    void SetRichTextCtrl(wxRichTextCtrl* ctrl) { m_stylePopup->SetRichTextCtrl(ctrl); }
    wxRichTextCtrl* GetRichTextCtrl() const { return m_stylePopup->GetRichTextCtrl(); }

    /// Gets the style popup
    wxRichTextStyleComboPopup* GetStylePopup() const { return m_stylePopup; }

    /// Auto-select from style under caret in idle time
    void OnIdle(wxIdleEvent& event);

protected:
    wxRichTextStyleComboPopup*  m_stylePopup;
};

#endif
    // wxUSE_COMBOCTRL

#endif
    // wxUSE_HTML

#endif
    // wxUSE_RICHTEXT

#endif
    // _WX_RICHTEXTSTYLES_H_