X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/17de95e4e05b3da583600d7d1082bdc5515a68d0..92b4653a62298a667f1725e7ea90418ae4743e04:/include/wx/dataview.h diff --git a/include/wx/dataview.h b/include/wx/dataview.h index bdbc2f4bc0..a1639f2533 100644 --- a/include/wx/dataview.h +++ b/include/wx/dataview.h @@ -21,9 +21,11 @@ #include "wx/variant.h" #include "wx/dynarray.h" #include "wx/icon.h" +#include "wx/itemid.h" #include "wx/weakref.h" #include "wx/vector.h" #include "wx/dataobj.h" +#include "wx/withimages.h" class WXDLLIMPEXP_FWD_CORE wxImageList; @@ -44,7 +46,6 @@ class WXDLLIMPEXP_FWD_CORE wxImageList; // wxDataViewCtrl globals // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_FWD_ADV wxDataViewItem; class WXDLLIMPEXP_FWD_ADV wxDataViewModel; class WXDLLIMPEXP_FWD_ADV wxDataViewCtrl; class WXDLLIMPEXP_FWD_ADV wxDataViewColumn; @@ -78,33 +79,14 @@ extern WXDLLIMPEXP_DATA_ADV(const char) wxDataViewCtrlNameStr[]; // wxDataViewItem // --------------------------------------------------------- -class WXDLLIMPEXP_ADV wxDataViewItem +// Make it a class and not a typedef to allow forward declaring it. +class wxDataViewItem : public wxItemId { public: - wxDataViewItem( void* id = NULL ) - { m_id = id; } - wxDataViewItem( const wxDataViewItem &item ) - { m_id = item.m_id; } - bool IsOk() const { return m_id != NULL; } - void* GetID() const { return m_id; } - operator const void* () const { return m_id; } - -private: - void* m_id; + wxDataViewItem() : wxItemId() { } + wxEXPLICIT wxDataViewItem(void* pItem) : wxItemId(pItem) { } }; -inline -bool operator==(const wxDataViewItem& left, const wxDataViewItem& right) -{ - return left.GetID() == right.GetID(); -} - -inline -bool operator!=(const wxDataViewItem& left, const wxDataViewItem& right) -{ - return !(left == right); -} - WX_DEFINE_ARRAY(wxDataViewItem, wxDataViewItemArray); // --------------------------------------------------------- @@ -126,6 +108,10 @@ 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; } @@ -159,7 +145,7 @@ public: void SetItalic( bool set ) { m_italic = set; } // accessors - bool HasColour() const { return m_colour.Ok(); } + bool HasColour() const { return m_colour.IsOk(); } const wxColour& GetColour() const { return m_colour; } bool HasFont() const { return m_bold || m_italic; } @@ -168,6 +154,9 @@ public: 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; @@ -227,6 +216,13 @@ public: 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; virtual bool IsContainer( const wxDataViewItem &item ) const = 0; @@ -245,7 +241,12 @@ public: 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 ); @@ -257,6 +258,7 @@ public: virtual bool HasDefaultCompare() const { return false; } // internal + virtual bool IsListModel() const { return false; } virtual bool IsVirtualListModel() const { return false; } protected: @@ -291,10 +293,18 @@ public: 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 @@ -328,6 +338,14 @@ public: { 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; } }; // --------------------------------------------------------- @@ -639,7 +657,21 @@ public: int GetIndent() const { return m_indent; } - virtual wxDataViewItem GetSelection() const = 0; + // 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); + + // Selection: both GetSelection() and GetSelections() can be used for the + // controls both with and without wxDV_MULTIPLE style. For single selection + // controls GetSelections() is not very useful however. And for multi + // selection controls GetSelection() returns an invalid item if more than + // one item is selected. Use GetSelectedItemsCount() or HasSelection() to + // check if any items are selected at all. + virtual int GetSelectedItemsCount() const = 0; + bool HasSelection() const { return GetSelectedItemsCount() != 0; } + wxDataViewItem GetSelection() const; virtual int GetSelections( wxDataViewItemArray & sel ) const = 0; virtual void SetSelections( const wxDataViewItemArray & sel ) = 0; virtual void Select( const wxDataViewItem & item ) = 0; @@ -659,6 +691,12 @@ public: virtual void HitTest( const wxPoint & point, wxDataViewItem &item, wxDataViewColumn* &column ) const = 0; virtual wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn *column = NULL ) const = 0; + virtual bool SetRowHeight( int WXUNUSED(rowHeight) ) { return false; } + + virtual void StartEditor( const wxDataViewItem & WXUNUSED(item), + unsigned int WXUNUSED(column) ) + { } + #if wxUSE_DRAG_AND_DROP virtual bool EnableDragSource(const wxDataFormat& WXUNUSED(format)) { return false; } @@ -685,6 +723,12 @@ 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 ; @@ -709,7 +753,8 @@ public: m_column(NULL), m_pos(-1,-1), m_cacheFrom(0), - m_cacheTo(0) + m_cacheTo(0), + m_editCancelled(false) #if wxUSE_DRAG_AND_DROP , m_dataObject(NULL), m_dataBuffer(NULL), @@ -724,9 +769,10 @@ public: m_model(event.m_model), m_value(event.m_value), m_column(event.m_column), - m_pos(m_pos), + m_pos(event.m_pos), m_cacheFrom(event.m_cacheFrom), - m_cacheTo(event.m_cacheTo) + m_cacheTo(event.m_cacheTo), + m_editCancelled(event.m_editCancelled) #if wxUSE_DRAG_AND_DROP , m_dataObject(event.m_dataObject), m_dataFormat(event.m_dataFormat), @@ -747,6 +793,10 @@ public: const wxVariant &GetValue() const { return m_value; } void SetValue( const wxVariant &value ) { m_value = value; } + // for wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE only + bool IsEditCancelled() const { return m_editCancelled; } + void SetEditCanceled(bool editCancelled) { m_editCancelled = editCancelled; } + // for wxEVT_DATAVIEW_COLUMN_HEADER_CLICKED only void SetDataViewColumn( wxDataViewColumn *col ) { m_column = col; } wxDataViewColumn *GetDataViewColumn() const { return m_column; } @@ -786,6 +836,7 @@ protected: wxPoint m_pos; int m_cacheFrom; int m_cacheTo; + bool m_editCancelled; #if wxUSE_DRAG_AND_DROP wxDataObject *m_dataObject; @@ -951,10 +1002,19 @@ public: { return (const wxDataViewListStore*) GetModel(); } int ItemToRow(const wxDataViewItem &item) const - { return item.IsOk() ? GetStore()->GetRow(item) : wxNOT_FOUND; } + { 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 ); @@ -1115,7 +1175,7 @@ public: wxDataViewItem GetNthChild( const wxDataViewItem& parent, unsigned int pos ) const; int GetChildCount( const wxDataViewItem& parent ) const; - + void SetItemText( const wxDataViewItem& item, const wxString &text ); wxString GetItemText( const wxDataViewItem& item ) const; void SetItemIcon( const wxDataViewItem& item, const wxIcon &icon ); @@ -1159,10 +1219,11 @@ public: //----------------------------------------------------------------------------- -class WXDLLIMPEXP_ADV wxDataViewTreeCtrl: public wxDataViewCtrl +class WXDLLIMPEXP_ADV wxDataViewTreeCtrl: public wxDataViewCtrl, + public wxWithImages { public: - wxDataViewTreeCtrl() { Init(); } + wxDataViewTreeCtrl() { } wxDataViewTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, @@ -1170,13 +1231,9 @@ public: long style = wxDV_NO_HEADER | wxDV_ROW_LINES, const wxValidator& validator = wxDefaultValidator) { - Init(); - Create(parent, id, pos, size, style, validator); } - virtual ~wxDataViewTreeCtrl(); - bool Create(wxWindow *parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, @@ -1192,24 +1249,21 @@ public: bool IsContainer( const wxDataViewItem& item ) const { return GetStore()->IsContainer(item); } - void SetImageList( wxImageList *imagelist ); - wxImageList* GetImageList() { return m_imageList; } - wxDataViewItem AppendItem( const wxDataViewItem& parent, - const wxString &text, int icon = -1, wxClientData *data = NULL ); + const wxString &text, int icon = NO_IMAGE, wxClientData *data = NULL ); wxDataViewItem PrependItem( const wxDataViewItem& parent, - const wxString &text, int icon = -1, wxClientData *data = NULL ); + const wxString &text, int icon = NO_IMAGE, wxClientData *data = NULL ); wxDataViewItem InsertItem( const wxDataViewItem& parent, const wxDataViewItem& previous, - const wxString &text, int icon = -1, wxClientData *data = NULL ); + const wxString &text, int icon = NO_IMAGE, wxClientData *data = NULL ); wxDataViewItem PrependContainer( const wxDataViewItem& parent, - const wxString &text, int icon = -1, int expanded = -1, + const wxString &text, int icon = NO_IMAGE, int expanded = NO_IMAGE, wxClientData *data = NULL ); wxDataViewItem AppendContainer( const wxDataViewItem& parent, - const wxString &text, int icon = -1, int expanded = -1, + const wxString &text, int icon = NO_IMAGE, int expanded = NO_IMAGE, wxClientData *data = NULL ); wxDataViewItem InsertContainer( const wxDataViewItem& parent, const wxDataViewItem& previous, - const wxString &text, int icon = -1, int expanded = -1, + const wxString &text, int icon = NO_IMAGE, int expanded = NO_IMAGE, wxClientData *data = NULL ); wxDataViewItem GetNthChild( const wxDataViewItem& parent, unsigned int pos ) const @@ -1239,14 +1293,6 @@ public: void OnCollapsed( wxDataViewEvent &event ); void OnSize( wxSizeEvent &event ); -private: - void Init() - { - m_imageList = NULL; - } - - wxImageList *m_imageList; - private: DECLARE_EVENT_TABLE() DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxDataViewTreeCtrl)