#include "wx/control.h"
+#if wxUSE_HEADERCTRL
+
+#include "wx/dynarray.h"
#include "wx/vector.h"
#include "wx/headercol.h"
// notice that the classes in this header are defined in the core library even
// although currently they're only used by wxGrid which is in wxAdv because we
// plan to use it in wxListCtrl which is in core too in the future
+class WXDLLIMPEXP_FWD_CORE wxHeaderCtrlEvent;
// ----------------------------------------------------------------------------
// constants
enum
{
// allow column drag and drop
- wxHD_DRAGDROP = 0x0001,
+ wxHD_ALLOW_REORDER = 0x0001,
+
+ // allow hiding (and showing back) the columns using the menu shown by
+ // right clicking the header
+ wxHD_ALLOW_HIDE = 0x0002,
// style used by default when creating the control
- wxHD_DEFAULT_STYLE = wxHD_DRAGDROP
+ wxHD_DEFAULT_STYLE = wxHD_ALLOW_REORDER
};
extern WXDLLIMPEXP_DATA_CORE(const char) wxHeaderCtrlNameStr[];
// set the number of columns in the control
//
// this also calls UpdateColumn() for all columns
- void SetColumnCount(unsigned int count) { DoSetCount(count); }
+ void SetColumnCount(unsigned int count);
// return the number of columns in the control as set by SetColumnCount()
unsigned int GetColumnCount() const { return DoGetCount(); }
}
+ // columns order
+ // -------------
+
+ // set the columns order: the array defines the column index which appears
+ // the given position, it must have GetColumnCount() elements and contain
+ // all indices exactly once
+ void SetColumnsOrder(const wxArrayInt& order);
+ wxArrayInt GetColumnsOrder() const;
+
+ // get the index of the column at the given display position
+ unsigned int GetColumnAt(unsigned int pos) const;
+
+ // get the position at which this column is currently displayed
+ unsigned int GetColumnPos(unsigned int idx) const;
+
+ // reset the columns order to the natural one
+ void ResetColumnsOrder();
+
+ // helper function used by the generic version of this control and also
+ // wxGrid: reshuffles the array of column indices indexed by positions
+ // (i.e. using the same convention as for SetColumnsOrder()) so that the
+ // column with the given index is found at the specified position
+ static void MoveColumnInOrderArray(wxArrayInt& order,
+ unsigned int idx,
+ unsigned int pos);
+
+
+ // UI helpers
+ // ----------
+
+#if wxUSE_MENUS
+ // show the popup menu containing all columns with check marks for the ones
+ // which are currently shown and return true if something was done using it
+ // (in this case UpdateColumnVisibility() will have been called) or false
+ // if the menu was cancelled
+ //
+ // this is called from the default right click handler for the controls
+ // with wxHD_ALLOW_HIDE style
+ bool ShowColumnsMenu(const wxPoint& pt, const wxString& title = wxString());
+
+ // append the entries for all our columns to the given menu, with the
+ // currently visible columns being checked
+ //
+ // this is used by ShowColumnsMenu() but can also be used if you use your
+ // own custom columns menu but nevertheless want to show all the columns in
+ // it
+ //
+ // the ids of the items corresponding to the columns are consecutive and
+ // start from idColumnsBase
+ void AddColumnsItems(wxMenu& menu, int idColumnsBase = 0);
+#endif // wxUSE_MENUS
+
+ // show the columns customization dialog and return true if something was
+ // changed using it (in which case UpdateColumnVisibility() and/or
+ // UpdateColumnsOrder() will have been called)
+ //
+ // this is called by the control itself from ShowColumnsMenu() (which in
+ // turn is only called by the control if wxHD_ALLOW_HIDE style was
+ // specified) and if the control has wxHD_ALLOW_REORDER style as well
+ bool ShowCustomizeDialog();
+
+
// implementation only from now on
// -------------------------------
protected:
// this method must be implemented by the derived classes to return the
// information for the given column
- virtual wxHeaderColumnBase& GetColumn(unsigned int idx) = 0;
+ virtual const wxHeaderColumn& GetColumn(unsigned int idx) const = 0;
+
+ // this method is called from the default EVT_HEADER_SEPARATOR_DCLICK
+ // handler to update the fitting column width of the given column, it
+ // should return true if the width was really updated
+ virtual bool UpdateColumnWidthToFit(unsigned int WXUNUSED(idx),
+ int WXUNUSED(widthTitle))
+ {
+ return false;
+ }
+
+ // this method is called from ShowColumnsMenu() and must be overridden to
+ // update the internal column visibility (there is no need to call
+ // UpdateColumn() from here, this will be done internally)
+ virtual void UpdateColumnVisibility(unsigned int WXUNUSED(idx),
+ bool WXUNUSED(show))
+ {
+ wxFAIL_MSG( "must be overridden if called" );
+ }
+
+ // this method is called from ShowCustomizeDialog() to reorder all columns
+ // at once and should be implemented for controls using wxHD_ALLOW_REORDER
+ // style (there is no need to call SetColumnsOrder() from here, this is
+ // done by the control itself)
+ virtual void UpdateColumnsOrder(const wxArrayInt& WXUNUSED(order))
+ {
+ wxFAIL_MSG( "must be overridden if called" );
+ }
+
+ // this method can be overridden in the derived classes to do something
+ // (e.g. update/resize some internal data structures) before the number of
+ // columns in the control changes
+ virtual void OnColumnCountChanging(unsigned int WXUNUSED(count)) { }
+
+
+ // helper function for the derived classes: update the array of column
+ // indices after the number of columns changed
+ void DoResizeColumnIndices(wxArrayInt& colIndices, unsigned int count);
private:
// methods implementing our public API and defined in platform-specific
virtual void DoScrollHorz(int dx) = 0;
+ virtual void DoSetColumnsOrder(const wxArrayInt& order) = 0;
+ virtual wxArrayInt DoGetColumnsOrder() const = 0;
+
// this window doesn't look nice with the border so don't use it by default
virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
+
+ // event handlers
+ void OnSeparatorDClick(wxHeaderCtrlEvent& event);
+#if wxUSE_MENUS
+ void OnRClick(wxHeaderCtrlEvent& event);
+#endif // wxUSE_MENUS
+
+ DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
void RemoveSortIndicator();
protected:
- virtual wxHeaderColumnBase& GetColumn(unsigned int idx);
+ // implement/override base class methods
+ virtual const wxHeaderColumn& GetColumn(unsigned int idx) const;
+ virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle);
+
+ // and define another one to be overridden in the derived classes: it
+ // should return the best width for the given column contents or -1 if not
+ // implemented, we use it to implement UpdateColumnWidthToFit()
+ virtual int GetBestFittingWidth(unsigned int WXUNUSED(idx)) const
+ {
+ return -1;
+ }
private:
// functions implementing our public API
DECLARE_NO_COPY_CLASS(wxHeaderCtrlSimple)
};
+// ----------------------------------------------------------------------------
+// wxHeaderCtrl events
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxHeaderCtrlEvent : public wxNotifyEvent
+{
+public:
+ wxHeaderCtrlEvent(wxEventType commandType = wxEVT_NULL, int winid = 0)
+ : wxNotifyEvent(commandType, winid),
+ m_col(-1),
+ m_width(0),
+ m_order(static_cast<unsigned int>(-1))
+ {
+ }
+
+ wxHeaderCtrlEvent(const wxHeaderCtrlEvent& event)
+ : wxNotifyEvent(event),
+ m_col(event.m_col),
+ m_width(event.m_width),
+ m_order(event.m_order)
+ {
+ }
+
+ // the column which this event pertains to: valid for all header events
+ int GetColumn() const { return m_col; }
+ void SetColumn(int col) { m_col = col; }
+
+ // the width of the column: valid for column resizing/dragging events only
+ int GetWidth() const { return m_width; }
+ void SetWidth(int width) { m_width = width; }
+
+ // the new position of the column: for end reorder events only
+ unsigned int GetNewOrder() const { return m_order; }
+ void SetNewOrder(unsigned int order) { m_order = order; }
+
+ virtual wxEvent *Clone() const { return new wxHeaderCtrlEvent(*this); }
+
+protected:
+ // the column affected by the event
+ int m_col;
+
+ // the current width for the dragging events
+ int m_width;
+
+ // the new column position for end reorder event
+ unsigned int m_order;
+
+private:
+ DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHeaderCtrlEvent)
+};
+
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_CLICK, wxHeaderCtrlEvent )
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_RIGHT_CLICK, wxHeaderCtrlEvent )
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_MIDDLE_CLICK, wxHeaderCtrlEvent )
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_DCLICK, wxHeaderCtrlEvent )
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_RIGHT_DCLICK, wxHeaderCtrlEvent )
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_MIDDLE_DCLICK, wxHeaderCtrlEvent )
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_SEPARATOR_DCLICK, wxHeaderCtrlEvent )
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_BEGIN_RESIZE, wxHeaderCtrlEvent )
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_RESIZING, wxHeaderCtrlEvent )
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_END_RESIZE, wxHeaderCtrlEvent )
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_BEGIN_REORDER, wxHeaderCtrlEvent )
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_END_REORDER, wxHeaderCtrlEvent )
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_DRAGGING_CANCELLED, wxHeaderCtrlEvent )
+
+typedef void (wxEvtHandler::*wxHeaderCtrlEventFunction)(wxHeaderCtrlEvent&);
+
+#define wxHeaderCtrlEventHandler(func) \
+ wxEVENT_HANDLER_CAST(wxHeaderCtrlEventFunction, func)
+
+#define wx__DECLARE_HEADER_EVT(evt, id, fn) \
+ wx__DECLARE_EVT1(wxEVT_COMMAND_HEADER_ ## evt, id, wxHeaderCtrlEventHandler(fn))
+
+#define EVT_HEADER_CLICK(id, fn) wx__DECLARE_HEADER_EVT(CLICK, id, fn)
+#define EVT_HEADER_RIGHT_CLICK(id, fn) wx__DECLARE_HEADER_EVT(RIGHT_CLICK, id, fn)
+#define EVT_HEADER_MIDDLE_CLICK(id, fn) wx__DECLARE_HEADER_EVT(MIDDLE_CLICK, id, fn)
+
+#define EVT_HEADER_DCLICK(id, fn) wx__DECLARE_HEADER_EVT(DCLICK, id, fn)
+#define EVT_HEADER_RIGHT_DCLICK(id, fn) wx__DECLARE_HEADER_EVT(RIGHT_DCLICK, id, fn)
+#define EVT_HEADER_MIDDLE_DCLICK(id, fn) wx__DECLARE_HEADER_EVT(MIDDLE_DCLICK, id, fn)
+
+#define EVT_HEADER_SEPARATOR_DCLICK(id, fn) wx__DECLARE_HEADER_EVT(SEPARATOR_DCLICK, id, fn)
+
+#define EVT_HEADER_BEGIN_RESIZE(id, fn) wx__DECLARE_HEADER_EVT(BEGIN_RESIZE, id, fn)
+#define EVT_HEADER_RESIZING(id, fn) wx__DECLARE_HEADER_EVT(RESIZING, id, fn)
+#define EVT_HEADER_END_RESIZE(id, fn) wx__DECLARE_HEADER_EVT(END_RESIZE, id, fn)
+
+#define EVT_HEADER_BEGIN_REORDER(id, fn) wx__DECLARE_HEADER_EVT(BEGIN_REORDER, id, fn)
+#define EVT_HEADER_END_REORDER(id, fn) wx__DECLARE_HEADER_EVT(END_REORDER, id, fn)
+
+#define EVT_HEADER_DRAGGING_CANCELLED(id, fn) wx__DECLARE_HEADER_EVT(DRAGGING_CANCELLED, id, fn)
+
+#endif // wxUSE_HEADERCTRL
+
#endif // _WX_HEADERCTRL_H_
projects / wxWidgets.git / blobdiff