X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/795dac4c866d89804e625fa1d04cb70aba320183..58ce18f2fdadecffb21e27555115af708325cf18:/include/wx/dataview.h?ds=inline diff --git a/include/wx/dataview.h b/include/wx/dataview.h index f02ad00a19..46b5e997ab 100644 --- a/include/wx/dataview.h +++ b/include/wx/dataview.h @@ -32,6 +32,14 @@ class WXDLLIMPEXP_FWD_CORE wxImageList; #define wxHAS_GENERIC_DATAVIEWCTRL #endif +#ifdef wxHAS_GENERIC_DATAVIEWCTRL + // this symbol doesn't follow the convention for wxUSE_XXX symbols which + // are normally always defined as either 0 or 1, so its use is deprecated + // and it only exists for backwards compatibility, don't use it any more + // and use wxHAS_GENERIC_DATAVIEWCTRL instead + #define wxUSE_GENERICDATAVIEWCTRL +#endif + // ---------------------------------------------------------------------------- // wxDataViewCtrl globals // ---------------------------------------------------------------------------- @@ -118,6 +126,10 @@ public: virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ) = 0; virtual bool Cleared() = 0; + // some platforms, such as GTK+, may need a two step procedure for ::Reset() + virtual bool BeforeReset() { return true; } + virtual bool AfterReset() { return Cleared(); } + virtual void Resort() = 0; void SetOwner( wxDataViewModel *owner ) { m_owner = owner; } @@ -158,6 +170,11 @@ public: bool GetBold() const { return m_bold; } bool GetItalic() const { return m_italic; } + bool IsDefault() const { return !(HasColour() || HasFont()); } + + // Return the font based on the given one with this attribute applied to it. + wxFont GetEffectiveFont(const wxFont& font) const; + private: wxColour m_colour; bool m_bold; @@ -186,6 +203,14 @@ public: virtual void GetValue( wxVariant &variant, const wxDataViewItem &item, unsigned int col ) const = 0; + // return true if the given item has a value to display in the given + // column: this is always true except for container items which by default + // only show their label in the first column (but see HasContainerColumns()) + bool HasValue(const wxDataViewItem& item, unsigned col) const + { + return col == 0 || !IsContainer(item) || HasContainerColumns(item); + } + // usually ValueChanged() should be called after changing the value in the // model to update the control, ChangeValue() does it on its own while // SetValue() does not -- so while you will override SetValue(), you should @@ -202,8 +227,19 @@ public: } // Get text attribute, return false of default attributes should be used - virtual bool GetAttr( const wxDataViewItem &WXUNUSED(item), unsigned int WXUNUSED(col), wxDataViewItemAttr &WXUNUSED(attr) ) - { return false; } + virtual bool GetAttr(const wxDataViewItem &WXUNUSED(item), + unsigned int WXUNUSED(col), + wxDataViewItemAttr &WXUNUSED(attr)) const + { + return false; + } + + // Override this if you want to disable specific items + virtual bool IsEnabled(const wxDataViewItem &WXUNUSED(item), + unsigned int WXUNUSED(col)) const + { + return true; + } // define hierachy virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const = 0; @@ -214,16 +250,21 @@ public: virtual unsigned int GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const = 0; // delegated notifiers - virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item ); - virtual bool ItemsAdded( const wxDataViewItem &parent, const wxDataViewItemArray &items ); - virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item ); - virtual bool ItemsDeleted( const wxDataViewItem &parent, const wxDataViewItemArray &items ); - virtual bool ItemChanged( const wxDataViewItem &item ); - virtual bool ItemsChanged( const wxDataViewItemArray &items ); - virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ); - virtual bool Cleared(); + bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item ); + bool ItemsAdded( const wxDataViewItem &parent, const wxDataViewItemArray &items ); + bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item ); + bool ItemsDeleted( const wxDataViewItem &parent, const wxDataViewItemArray &items ); + bool ItemChanged( const wxDataViewItem &item ); + bool ItemsChanged( const wxDataViewItemArray &items ); + bool ValueChanged( const wxDataViewItem &item, unsigned int col ); + bool Cleared(); - // delegatd action + // some platforms, such as GTK+, may need a two step procedure for ::Reset() + bool BeforeReset(); + bool AfterReset(); + + + // delegated action virtual void Resort(); void AddNotifier( wxDataViewModelNotifier *notifier ); @@ -235,6 +276,7 @@ public: virtual bool HasDefaultCompare() const { return false; } // internal + virtual bool IsListModel() const { return false; } virtual bool IsVirtualListModel() const { return false; } protected: @@ -244,24 +286,94 @@ protected: wxDataViewModelNotifiers m_notifiers; }; +// ---------------------------------------------------------------------------- +// wxDataViewListModel: a model of a list, i.e. flat data structure without any +// branches/containers, used as base class by wxDataViewIndexListModel and +// wxDataViewVirtualListModel +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_ADV wxDataViewListModel : public wxDataViewModel +{ +public: + // derived classes should override these methods instead of + // {Get,Set}Value() and GetAttr() inherited from the base class + + virtual void GetValueByRow(wxVariant &variant, + unsigned row, unsigned col) const = 0; + + virtual bool SetValueByRow(const wxVariant &variant, + unsigned row, unsigned col) = 0; + + virtual bool + GetAttrByRow(unsigned WXUNUSED(row), unsigned WXUNUSED(col), + wxDataViewItemAttr &WXUNUSED(attr)) const + { + return false; + } + + virtual bool IsEnabledByRow(unsigned int WXUNUSED(row), + unsigned int WXUNUSED(col)) const + { + return true; + } + + + // helper methods provided by list models only + virtual unsigned GetRow( const wxDataViewItem &item ) const = 0; + + // returns the number of rows + virtual unsigned int GetCount() const = 0; + + // implement some base class pure virtual directly + virtual wxDataViewItem + GetParent( const wxDataViewItem & WXUNUSED(item) ) const + { + // items never have valid parent in this model + return wxDataViewItem(); + } + + virtual bool IsContainer( const wxDataViewItem &item ) const + { + // only the invisible (and invalid) root item has children + return !item.IsOk(); + } + + // and implement some others by forwarding them to our own ones + virtual void GetValue( wxVariant &variant, + const wxDataViewItem &item, unsigned int col ) const + { + GetValueByRow(variant, GetRow(item), col); + } + + virtual bool SetValue( const wxVariant &variant, + const wxDataViewItem &item, unsigned int col ) + { + return SetValueByRow( variant, GetRow(item), col ); + } + + virtual bool GetAttr(const wxDataViewItem &item, unsigned int col, + wxDataViewItemAttr &attr) const + { + return GetAttrByRow( GetRow(item), col, attr ); + } + + virtual bool IsEnabled(const wxDataViewItem &item, unsigned int col) const + { + return IsEnabledByRow( GetRow(item), col ); + } + + + virtual bool IsListModel() const { return true; } +}; + // --------------------------------------------------------- // wxDataViewIndexListModel // --------------------------------------------------------- -class WXDLLIMPEXP_ADV wxDataViewIndexListModel: public wxDataViewModel +class WXDLLIMPEXP_ADV wxDataViewIndexListModel: public wxDataViewListModel { public: wxDataViewIndexListModel( unsigned int initial_size = 0 ); - ~wxDataViewIndexListModel(); - - virtual void GetValueByRow( wxVariant &variant, - unsigned int row, unsigned int col ) const = 0; - - virtual bool SetValueByRow( const wxVariant &variant, - unsigned int row, unsigned int col ) = 0; - - virtual bool GetAttrByRow( unsigned int WXUNUSED(row), unsigned int WXUNUSED(col), wxDataViewItemAttr &WXUNUSED(attr) ) - { return false; } void RowPrepended(); void RowInserted( unsigned int before ); @@ -274,7 +386,7 @@ public: // convert to/from row/wxDataViewItem - unsigned int GetRow( const wxDataViewItem &item ) const; + virtual unsigned GetRow( const wxDataViewItem &item ) const; wxDataViewItem GetItem( unsigned int row ) const; // compare based on index @@ -284,18 +396,8 @@ public: virtual bool HasDefaultCompare() const; // implement base methods - - virtual void GetValue( wxVariant &variant, - const wxDataViewItem &item, unsigned int col ) const; - virtual bool SetValue( const wxVariant &variant, - const wxDataViewItem &item, unsigned int col ); - virtual bool GetAttr( const wxDataViewItem &item, unsigned int col, wxDataViewItemAttr &attr ); - virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const; - virtual bool IsContainer( const wxDataViewItem &item ) const; virtual unsigned int GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const; - // internal - virtual bool IsVirtualListModel() const { return false; } unsigned int GetCount() const { return m_hash.GetCount(); } private: @@ -313,20 +415,10 @@ private: typedef wxDataViewIndexListModel wxDataViewVirtualListModel; #else -class WXDLLIMPEXP_ADV wxDataViewVirtualListModel: public wxDataViewModel +class WXDLLIMPEXP_ADV wxDataViewVirtualListModel: public wxDataViewListModel { public: wxDataViewVirtualListModel( unsigned int initial_size = 0 ); - ~wxDataViewVirtualListModel(); - - virtual void GetValueByRow( wxVariant &variant, - unsigned int row, unsigned int col ) const = 0; - - virtual bool SetValueByRow( const wxVariant &variant, - unsigned int row, unsigned int col ) = 0; - - virtual bool GetAttrByRow( unsigned int WXUNUSED(row), unsigned int WXUNUSED(col), wxDataViewItemAttr &WXUNUSED(attr) ) - { return false; } void RowPrepended(); void RowInserted( unsigned int before ); @@ -339,7 +431,7 @@ public: // convert to/from row/wxDataViewItem - unsigned int GetRow( const wxDataViewItem &item ) const; + virtual unsigned GetRow( const wxDataViewItem &item ) const; wxDataViewItem GetItem( unsigned int row ) const; // compare based on index @@ -349,19 +441,12 @@ public: virtual bool HasDefaultCompare() const; // implement base methods - - virtual void GetValue( wxVariant &variant, - const wxDataViewItem &item, unsigned int col ) const; - virtual bool SetValue( const wxVariant &variant, - const wxDataViewItem &item, unsigned int col ); - virtual bool GetAttr( const wxDataViewItem &item, unsigned int col, wxDataViewItemAttr &attr ); - virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const; - virtual bool IsContainer( const wxDataViewItem &item ) const; virtual unsigned int GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const; + unsigned int GetCount() const { return m_size; } + // internal virtual bool IsVirtualListModel() const { return true; } - unsigned int GetCount() const { return m_size; } private: unsigned int m_size; @@ -369,162 +454,11 @@ private: }; #endif -//----------------------------------------------------------------------------- -// wxDataViewEditorCtrlEvtHandler -//----------------------------------------------------------------------------- - -class wxDataViewEditorCtrlEvtHandler: public wxEvtHandler -{ -public: - wxDataViewEditorCtrlEvtHandler( wxControl *editor, wxDataViewRenderer *owner ); - - void AcceptChangesAndFinish(); - void SetFocusOnIdle( bool focus = true ) { m_focusOnIdle = focus; } - -protected: - void OnChar( wxKeyEvent &event ); - void OnTextEnter( wxCommandEvent &event ); - void OnKillFocus( wxFocusEvent &event ); - void OnIdle( wxIdleEvent &event ); - -private: - wxDataViewRenderer *m_owner; - wxControl *m_editorCtrl; - bool m_finished; - bool m_focusOnIdle; - -private: - DECLARE_EVENT_TABLE() -}; - -// --------------------------------------------------------- -// wxDataViewRendererBase -// --------------------------------------------------------- - -enum wxDataViewCellMode -{ - wxDATAVIEW_CELL_INERT, - wxDATAVIEW_CELL_ACTIVATABLE, - wxDATAVIEW_CELL_EDITABLE -}; - -enum wxDataViewCellRenderState -{ - wxDATAVIEW_CELL_SELECTED = 1, - wxDATAVIEW_CELL_PRELIT = 2, - wxDATAVIEW_CELL_INSENSITIVE = 4, - wxDATAVIEW_CELL_FOCUSED = 8 -}; - -class WXDLLIMPEXP_ADV wxDataViewRendererBase: public wxObject -{ -public: - wxDataViewRendererBase( const wxString &varianttype, - wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, - int alignment = wxDVR_DEFAULT_ALIGNMENT ); - virtual ~wxDataViewRendererBase(); - - virtual bool Validate( wxVariant& WXUNUSED(value) ) - { return true; } - - void SetOwner( wxDataViewColumn *owner ) { m_owner = owner; } - wxDataViewColumn* GetOwner() const { return m_owner; } - - // renderer properties: - - virtual bool SetValue( const wxVariant& WXUNUSED(value) ) = 0; - virtual bool GetValue( wxVariant& WXUNUSED(value) ) const = 0; - - wxString GetVariantType() const { return m_variantType; } - - virtual void SetMode( wxDataViewCellMode mode ) = 0; - virtual wxDataViewCellMode GetMode() const = 0; - - // NOTE: Set/GetAlignment do not take/return a wxAlignment enum but - // rather an "int"; that's because for rendering cells it's allowed - // to combine alignment flags (e.g. wxALIGN_LEFT|wxALIGN_BOTTOM) - virtual void SetAlignment( int align ) = 0; - virtual int GetAlignment() const = 0; - - // enable or disable (if called with wxELLIPSIZE_NONE) replacing parts of - // the item text (hence this only makes sense for renderers showing - // text...) with ellipsis in order to make it fit the column width - virtual void EnableEllipsize(wxEllipsizeMode mode = wxELLIPSIZE_MIDDLE) = 0; - void DisableEllipsize() { EnableEllipsize(wxELLIPSIZE_NONE); } - - virtual wxEllipsizeMode GetEllipsizeMode() const = 0; - - // in-place editing - virtual bool HasEditorCtrl() const - { return false; } - virtual wxControl* CreateEditorCtrl(wxWindow * WXUNUSED(parent), - wxRect WXUNUSED(labelRect), - const wxVariant& WXUNUSED(value)) - { return NULL; } - virtual bool GetValueFromEditorCtrl(wxControl * WXUNUSED(editor), - wxVariant& WXUNUSED(value)) - { return false; } - - virtual bool StartEditing( const wxDataViewItem &item, wxRect labelRect ); - virtual void CancelEditing(); - virtual bool FinishEditing(); - - wxControl *GetEditorCtrl() { return m_editorCtrl; } - -protected: - wxString m_variantType; - wxDataViewColumn *m_owner; - wxWeakRef m_editorCtrl; - wxDataViewItem m_item; // for m_editorCtrl - - // internal utility: - const wxDataViewCtrl* GetView() const; - -protected: - DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRendererBase) -}; - -//----------------------------------------------------------------------------- -// wxDataViewIconText -//----------------------------------------------------------------------------- - -class WXDLLIMPEXP_ADV wxDataViewIconText: public wxObject -{ -public: - wxDataViewIconText( const wxString &text = wxEmptyString, const wxIcon& icon = wxNullIcon ) - : m_text(text), m_icon(icon) - { } - wxDataViewIconText( const wxDataViewIconText &other ) - : wxObject() - { m_icon = other.m_icon; m_text = other.m_text; } - - void SetText( const wxString &text ) { m_text = text; } - wxString GetText() const { return m_text; } - void SetIcon( const wxIcon &icon ) { m_icon = icon; } - const wxIcon &GetIcon() const { return m_icon; } - -private: - wxString m_text; - wxIcon m_icon; - -private: - DECLARE_DYNAMIC_CLASS(wxDataViewIconText) -}; - -inline -bool operator==(const wxDataViewIconText& left, const wxDataViewIconText& right) -{ - return left.GetText() == right.GetText() && - left.GetIcon().IsSameAs(right.GetIcon()); -} - -inline -bool operator!=(const wxDataViewIconText& left, const wxDataViewIconText& right) -{ - return !(left == right); -} +// ---------------------------------------------------------------------------- +// wxDataViewRenderer and related classes +// ---------------------------------------------------------------------------- -DECLARE_VARIANT_OBJECT_EXPORTED(wxDataViewIconText, WXDLLIMPEXP_ADV) +#include "wx/dvrenderers.h" // --------------------------------------------------------- // wxDataViewColumnBase @@ -741,6 +675,12 @@ public: int GetIndent() const { return m_indent; } + // Current item is the one used by the keyboard navigation, it is the same + // as the (unique) selected item in single selection mode so these + // functions are mostly useful for controls with wxDV_MULTIPLE style. + wxDataViewItem GetCurrentItem() const; + void SetCurrentItem(const wxDataViewItem& item); + virtual wxDataViewItem GetSelection() const = 0; virtual int GetSelections( wxDataViewItemArray & sel ) const = 0; virtual void SetSelections( const wxDataViewItemArray & sel ) = 0; @@ -787,6 +727,12 @@ protected: virtual void DoSetIndent() = 0; private: + // Implementation of the public Set/GetCurrentItem() methods which are only + // called in multi selection case (for single selection controls their + // implementation is trivial and is done in the base class itself). + virtual wxDataViewItem DoGetCurrentItem() const = 0; + virtual void DoSetCurrentItem(const wxDataViewItem& item) = 0; + wxDataViewModel *m_model; wxDataViewColumn *m_expander_column; int m_indent ; @@ -959,12 +905,6 @@ typedef void (wxEvtHandler::*wxDataViewEventFunction)(wxDataViewEvent&); #define EVT_DATAVIEW_ITEM_DROP(id, fn) wx__DECLARE_DATAVIEWEVT(ITEM_DROP, id, fn) #ifdef wxHAS_GENERIC_DATAVIEWCTRL - // this symbol doesn't follow the convention for wxUSE_XXX symbols which - // are normally always defined as either 0 or 1, so its use is deprecated - // and it only exists for backwards compatibility, don't use it any more - // and use wxHAS_GENERIC_DATAVIEWCTRL instead - #define wxUSE_GENERICDATAVIEWCTRL - #include "wx/generic/dataview.h" #elif defined(__WXGTK20__) #include "wx/gtk/dataview.h" @@ -974,60 +914,6 @@ typedef void (wxEvtHandler::*wxDataViewEventFunction)(wxDataViewEvent&); #error "unknown native wxDataViewCtrl implementation" #endif -// ------------------------------------- -// wxDataViewSpinRenderer -// ------------------------------------- - -class WXDLLIMPEXP_ADV wxDataViewSpinRenderer: public wxDataViewCustomRenderer -{ -public: - wxDataViewSpinRenderer( int min, int max, - wxDataViewCellMode mode = wxDATAVIEW_CELL_EDITABLE, - int alignment = wxDVR_DEFAULT_ALIGNMENT ); - virtual bool HasEditorCtrl() const { return true; } - virtual wxControl* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value ); - virtual bool GetValueFromEditorCtrl( wxControl* editor, wxVariant &value ); - virtual bool Render( wxRect rect, wxDC *dc, int state ); - virtual wxSize GetSize() const; - virtual bool SetValue( const wxVariant &value ); - virtual bool GetValue( wxVariant &value ) const; - -private: - long m_data; - long m_min,m_max; -}; - -#if defined(wxHAS_GENERIC_DATAVIEWCTRL) || defined(__WXOSX_CARBON__) - -// ------------------------------------- -// wxDataViewChoiceRenderer -// ------------------------------------- - -class WXDLLIMPEXP_ADV wxDataViewChoiceRenderer: public wxDataViewCustomRenderer -{ -public: - wxDataViewChoiceRenderer( const wxArrayString &choices, - wxDataViewCellMode mode = wxDATAVIEW_CELL_EDITABLE, - int alignment = wxDVR_DEFAULT_ALIGNMENT ); - virtual bool HasEditorCtrl() const { return true; } - virtual wxControl* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value ); - virtual bool GetValueFromEditorCtrl( wxControl* editor, wxVariant &value ); - virtual bool Render( wxRect rect, wxDC *dc, int state ); - virtual wxSize GetSize() const; - virtual bool SetValue( const wxVariant &value ); - virtual bool GetValue( wxVariant &value ) const; - -private: - wxArrayString m_choices; - wxString m_data; -}; - -#endif - -// this class is obsolete, its functionality was merged in -// wxDataViewTextRenderer itself now, don't use it any more -#define wxDataViewTextRendererAttr wxDataViewTextRenderer - //----------------------------------------------------------------------------- // wxDataViewListStore //----------------------------------------------------------------------------- @@ -1112,6 +998,20 @@ public: const wxDataViewListStore *GetStore() const { return (const wxDataViewListStore*) GetModel(); } + int ItemToRow(const wxDataViewItem &item) const + { return item.IsOk() ? (int)GetStore()->GetRow(item) : wxNOT_FOUND; } + wxDataViewItem RowToItem(int row) const + { return row == wxNOT_FOUND ? wxDataViewItem() : GetStore()->GetItem(row); } + + int GetSelectedRow() const + { return ItemToRow(GetSelection()); } + void SelectRow(unsigned row) + { Select(RowToItem(row)); } + void UnselectRow(unsigned row) + { Unselect(RowToItem(row)); } + bool IsRowSelected(unsigned row) const + { return IsSelected(RowToItem(row)); } + bool AppendColumn( wxDataViewColumn *column, const wxString &varianttype ); bool PrependColumn( wxDataViewColumn *column, const wxString &varianttype ); bool InsertColumn( unsigned int pos, wxDataViewColumn *column, const wxString &varianttype ); @@ -1319,23 +1219,36 @@ public: class WXDLLIMPEXP_ADV wxDataViewTreeCtrl: public wxDataViewCtrl { public: - wxDataViewTreeCtrl(); - wxDataViewTreeCtrl( wxWindow *parent, wxWindowID id, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, long style = wxDV_NO_HEADER | wxDV_ROW_LINES, - const wxValidator& validator = wxDefaultValidator ); - ~wxDataViewTreeCtrl(); + wxDataViewTreeCtrl() { Init(); } + wxDataViewTreeCtrl(wxWindow *parent, + wxWindowID id, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxDV_NO_HEADER | wxDV_ROW_LINES, + const wxValidator& validator = wxDefaultValidator) + { + Init(); - bool Create( wxWindow *parent, wxWindowID id, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, long style = wxDV_NO_HEADER | wxDV_ROW_LINES, - const wxValidator& validator = wxDefaultValidator ); + Create(parent, id, pos, size, style, validator); + } + + virtual ~wxDataViewTreeCtrl(); + + bool Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxDV_NO_HEADER | wxDV_ROW_LINES, + const wxValidator& validator = wxDefaultValidator); wxDataViewTreeStore *GetStore() { return (wxDataViewTreeStore*) GetModel(); } const wxDataViewTreeStore *GetStore() const { return (const wxDataViewTreeStore*) GetModel(); } + bool IsContainer( const wxDataViewItem& item ) const + { return GetStore()->IsContainer(item); } + void SetImageList( wxImageList *imagelist ); wxImageList* GetImageList() { return m_imageList; } @@ -1384,7 +1297,12 @@ public: void OnSize( wxSizeEvent &event ); private: - wxImageList *m_imageList; + void Init() + { + m_imageList = NULL; + } + + wxImageList *m_imageList; private: DECLARE_EVENT_TABLE()