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extract setters from wxHeaderColumnBase into a separate wxSettableHeaderColumn class as we don't always need to implement them in order to use this class; also renamed wxHeaderColumnBase to just wxHeaderColumn as we didn't have any wxHeaderColumn at all

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57246 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-11 13:05:48 +00:00
parent 953aebc2d5
commit dcb6cbecc8
10 changed files with 235 additions and 190 deletions
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112
include/wx/headercol.h
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@@ -43,11 +43,11 @@ enum
};
// ----------------------------------------------------------------------------
// wxHeaderColumnBase: interface for a column in a header of controls such as
// wxListCtrl, wxDataViewCtrl or wxGrid
// wxHeaderColumn: interface for a column in a header of controls such as
// wxListCtrl, wxDataViewCtrl or wxGrid
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxHeaderColumnBase
class WXDLLIMPEXP_CORE wxHeaderColumn
{
public:
// ctors and dtor
@@ -69,80 +69,65 @@ public:
// virtual dtor for the base class to avoid gcc warnings even though we
// don't normally delete the objects of this class via a pointer to
// wxHeaderColumnBase so it's not necessary, strictly speaking
virtual ~wxHeaderColumnBase() { }
// wxHeaderColumn so it's not necessary, strictly speaking
virtual ~wxHeaderColumn() { }
// getters for various attributes
// ------------------------------
// setters and getters for various attributes
// ------------------------------------------
// notice that wxHeaderColumn only provides getters as this is all the
// wxHeaderCtrl needs, various derived class must also provide some way to
// change these attributes but this can be done either at the column level
// (in which case they should inherit from wxSettableHeaderColumn) or via
// the methods of the main control in which case you don't need setters in
// the column class at all
// title is the string shown for this column
virtual void SetTitle(const wxString& title) = 0;
virtual wxString GetTitle() const = 0;
// bitmap shown (instead of text) in the column header
virtual void SetBitmap(const wxBitmap& bitmap) = 0;
virtual wxBitmap GetBitmap() const = 0; \
// width of the column in pixels, can be set to wxCOL_WIDTH_DEFAULT meaning
// unspecified/default
virtual void SetWidth(int width) = 0;
virtual int GetWidth() const = 0;
// minimal width can be set for resizeable columns to forbid resizing them
// below the specified size (set to 0 to remove)
virtual void SetMinWidth(int minWidth) = 0;
virtual int GetMinWidth() const = 0;
// alignment of the text: wxALIGN_CENTRE, wxALIGN_LEFT or wxALIGN_RIGHT
virtual void SetAlignment(wxAlignment align) = 0;
virtual wxAlignment GetAlignment() const = 0;
// flags manipulations:
// --------------------
// notice that while we make Set/GetFlags() pure virtual here and implement
// the individual flags access in terms of them, for some derived classes
// it is more natural to implement access to each flag individually, in
// which case they can use SetIndividualFlags() and GetFromIndividualFlags()
// below to implement Set/GetFlags()
// notice that while we make GetFlags() pure virtual here and implement the
// individual flags access in terms of it, for some derived classes it is
// more natural to implement access to each flag individually, in which
// case they can use our GetFromIndividualFlags() helper below to implement
// GetFlags()
// set or retrieve all column flags at once: combination of wxCOL_XXX
// values above
virtual void SetFlags(int flags) = 0;
// retrieve all column flags at once: combination of wxCOL_XXX values above
virtual int GetFlags() const = 0;
// change, set, clear, toggle or test for any individual flag
void ChangeFlag(int flag, bool set);
void SetFlag(int flag);
void ClearFlag(int flag);
void ToggleFlag(int flag);
bool HasFlag(int flag) const { return (GetFlags() & flag) != 0; }
// wxCOL_RESIZABLE
virtual void SetResizeable(bool resizeable)
{ ChangeFlag(wxCOL_RESIZABLE, resizeable); }
virtual bool IsResizeable() const
{ return HasFlag(wxCOL_RESIZABLE); }
// wxCOL_SORTABLE
virtual void SetSortable(bool sortable)
{ ChangeFlag(wxCOL_SORTABLE, sortable); }
virtual bool IsSortable() const
{ return HasFlag(wxCOL_SORTABLE); }
// wxCOL_REORDERABLE
virtual void SetReorderable(bool reorderable)
{ ChangeFlag(wxCOL_REORDERABLE, reorderable); }
virtual bool IsReorderable() const
{ return HasFlag(wxCOL_REORDERABLE); }
// wxCOL_HIDDEN
virtual void SetHidden(bool hidden)
{ ChangeFlag(wxCOL_HIDDEN, hidden); }
virtual bool IsHidden() const
{ return HasFlag(wxCOL_HIDDEN); }
bool IsShown() const
@@ -152,30 +137,67 @@ public:
// sorting
// -------
// set this column as the one used to sort the control
virtual void SetAsSortKey(bool sort = true) = 0;
void UnsetAsSortKey() { SetAsSortKey(false); }
// return true if the column is used for sorting
// return true if the column is the one currently used for sorting
virtual bool IsSortKey() const = 0;
// for sortable columns indicate whether we should sort in ascending or
// descending order (this should only be taken into account if IsSortKey())
virtual void SetSortOrder(bool ascending) = 0;
void ToggleSortOrder() { SetSortOrder(!IsSortOrderAscending()); }
virtual bool IsSortOrderAscending() const = 0;
protected:
// helpers for the class overriding Set/IsXXX()
void SetIndividualFlags(int flags);
// helper for the class overriding IsXXX()
int GetFromIndividualFlags() const;
};
// ----------------------------------------------------------------------------
// wxHeaderColumnSimple: trivial generic implementation of wxHeaderColumnBase
// wxSettableHeaderColumn: column which allows to change its fields too
// ----------------------------------------------------------------------------
class wxHeaderColumnSimple : public wxHeaderColumnBase
class wxSettableHeaderColumn : public wxHeaderColumn
{
public:
virtual void SetTitle(const wxString& title) = 0;
virtual void SetBitmap(const wxBitmap& bitmap) = 0;
virtual void SetWidth(int width) = 0;
virtual void SetMinWidth(int minWidth) = 0;
virtual void SetAlignment(wxAlignment align) = 0;
// see comment for wxHeaderColumn::GetFlags() about the relationship
// between SetFlags() and Set{Sortable,Reorderable,...}
// change, set, clear, toggle or test for any individual flag
virtual void SetFlags(int flags) = 0;
void ChangeFlag(int flag, bool set);
void SetFlag(int flag);
void ClearFlag(int flag);
void ToggleFlag(int flag);
virtual void SetResizeable(bool resizeable)
{ ChangeFlag(wxCOL_RESIZABLE, resizeable); }
virtual void SetSortable(bool sortable)
{ ChangeFlag(wxCOL_SORTABLE, sortable); }
virtual void SetReorderable(bool reorderable)
{ ChangeFlag(wxCOL_REORDERABLE, reorderable); }
virtual void SetHidden(bool hidden)
{ ChangeFlag(wxCOL_HIDDEN, hidden); }
virtual void SetAsSortKey(bool sort = true) = 0;
void UnsetAsSortKey() { SetAsSortKey(false); }
virtual void SetSortOrder(bool ascending) = 0;
void ToggleSortOrder() { SetSortOrder(!IsSortOrderAscending()); }
protected:
// helper for the class overriding individual SetXXX() methods instead of
// overriding SetFlags()
void SetIndividualFlags(int flags);
};
// ----------------------------------------------------------------------------
// wxHeaderColumnSimple: trivial generic implementation of wxHeaderColumn
// ----------------------------------------------------------------------------
class wxHeaderColumnSimple : public wxSettableHeaderColumn
{
public:
// ctors and dtor