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wxComboControl and wxOwnerDrawnComboBox (patch 1479938)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39113 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-05-08 23:42:45 +00:00
parent cd4e32afe7
commit a340b80d8a
27 changed files with 6416 additions and 581 deletions
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267
include/wx/odcombo.h Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: wx/odcombo.h
// Purpose: wxOwnerDrawnComboBox and wxVListBoxPopup
// Author: Jaakko Salli
// Modified by:
// Created: Apr-30-2006
// RCS-ID: $Id$
// Copyright: (c) Jaakko Salli
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_ODCOMBO_H_
#define _WX_ODCOMBO_H_
#include "wx/defs.h"
#if wxUSE_OWNERDRAWNCOMBOBOX
#include "wx/combo.h"
#include "wx/ctrlsub.h"
#include "wx/vlbox.h"
//
// New window styles for wxOwnerDrawnComboBox
//
enum
{
// Double-clicking cycles item if wxCB_READONLY is also used.
wxODCB_DCLICK_CYCLES = wxCC_SPECIAL_DCLICK,
// If used, control itself is not custom paint using callback.
// Even if this is not used, writable combo is never custom paint
// until SetCustomPaintWidth is called
wxODCB_STD_CONTROL_PAINT = 0x1000
};
//
// Callback flags
//
enum
{
// when set, we are painting the selected item in control,
// not in the popup
wxCC_PAINTING_CONTROL = 0x0001
};
// ----------------------------------------------------------------------------
// wxVListBoxComboPopup is a wxVListBox customized to act as a popup control.
//
// Notes:
// wxOwnerDrawnComboBox uses this as its popup. However, it always derives
// from native wxComboControl. If you need to use this popup with
// wxGenericComboControl, then remember that vast majority of item manipulation
// functionality is implemented in the wxVListBoxComboPopup class itself.
//
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxVListBoxComboPopup : public wxVListBox, public wxComboPopup
{
friend class wxOwnerDrawnComboBox;
public:
// ctor and dtor
wxVListBoxComboPopup(wxComboControlBase* combo);
virtual ~wxVListBoxComboPopup();
// required virtuals
virtual bool Create(wxWindow* parent);
virtual wxWindow *GetControl() { return this; }
virtual void SetStringValue( const wxString& value );
virtual wxString GetStringValue() const;
// more customization
virtual void OnPopup();
virtual wxSize GetAdjustedSize( int minWidth, int prefHeight, int maxHeight );
virtual void PaintComboControl( wxDC& dc, const wxRect& rect );
virtual void OnComboKeyEvent( wxKeyEvent& event );
virtual void OnComboDoubleClick();
virtual bool LazyCreate();
// Item management
void SetSelection( int item );
void Insert( const wxString& item, int pos );
int Append(const wxString& item);
void Clear();
void Delete( unsigned int item );
void SetItemClientData(unsigned int n, void* clientData, wxClientDataType clientDataItemsType);
void *GetItemClientData(unsigned int n) const;
void SetString( int item, const wxString& str );
wxString GetString( int item ) const;
unsigned int GetCount() const;
int FindString(const wxString& s) const;
void Populate( int n, const wxString choices[] );
void ClearClientDatas();
// helpers
int GetItemAtPosition( const wxPoint& pos ) { return HitTest(pos); }
wxCoord GetTotalHeight() const { return EstimateTotalHeight(); }
wxCoord GetLineHeight(int line) const { return OnGetLineHeight(line); }
protected:
// Called by OnComboDoubleClick and OnComboKeyEvent
bool HandleKey( int keycode, bool saturate );
// sends combobox select event from the parent combo control
void SendComboBoxEvent();
// Re-calculates width for given item
void CheckWidth( int pos );
// wxVListBox implementation
virtual void OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const;
virtual wxCoord OnMeasureItem(size_t n) const;
void OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const;
// filter mouse move events happening outside the list box
// move selection with cursor
void OnMouseMove(wxMouseEvent& event);
void OnMouseWheel(wxMouseEvent& event);
void OnKey(wxKeyEvent& event);
void OnLeftClick(wxMouseEvent& event);
wxArrayString m_strings;
wxArrayPtrVoid m_clientDatas;
wxArrayInt m_widths; // cached line widths
wxFont m_font;
int m_value; // selection
int m_itemHover; // on which item the cursor is
int m_widestWidth; // width of widest item thus far
int m_avgCharWidth;
int m_baseImageWidth; // how much per item drawn in addition to text
int m_itemHeight; // default item height (calculate from font size
// and used in the absence of callback)
wxClientDataType m_clientDataItemsType;
private:
// has the mouse been released on this control?
bool m_clicked;
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// wxOwnerDrawnComboBox: a generic wxComboBox that allows custom paint items
// in addition to many other types of customization already allowed by
// the wxComboControl.
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxOwnerDrawnComboBox : public wxComboControl, public wxItemContainer
{
friend class wxComboPopupWindow;
friend class wxComboControlBase;
public:
// ctors and such
wxOwnerDrawnComboBox() : wxComboControl() { Init(); }
wxOwnerDrawnComboBox(wxWindow *parent,
wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
int n,
const wxString choices[],
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr)
: wxComboControl()
{
Init();
(void)Create(parent, id, value, pos, size, n,
choices, style, validator, name);
}
bool Create(wxWindow *parent,
wxWindowID id,
const wxString& value = wxEmptyString,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr);
wxOwnerDrawnComboBox(wxWindow *parent,
wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
const wxArrayString& choices,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr);
bool Create(wxWindow *parent,
wxWindowID id,
const wxString& value = wxEmptyString,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
int n = 0,
const wxString choices[] = (const wxString *) NULL,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr);
bool Create(wxWindow *parent,
wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
const wxArrayString& choices,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr);
virtual ~wxOwnerDrawnComboBox();
// wxControlWithItems methods
virtual void Clear();
virtual void Delete(unsigned int n);
virtual unsigned int GetCount() const;
virtual wxString GetString(unsigned int n) const;
virtual void SetString(unsigned int n, const wxString& s);
virtual int FindString(const wxString& s) const;
virtual void Select(int n);
virtual int GetSelection() const;
void SetSelection(int n) { Select(n); }
wxCONTROL_ITEMCONTAINER_CLIENTDATAOBJECT_RECAST
protected:
// clears all allocated client datas
void ClearClientDatas();
virtual int DoAppend(const wxString& item);
virtual int DoInsert(const wxString& item, unsigned int pos);
virtual void DoSetItemClientData(unsigned int n, void* clientData);
virtual void* DoGetItemClientData(unsigned int n) const;
virtual void DoSetItemClientObject(unsigned int n, wxClientData* clientData);
virtual wxClientData* DoGetItemClientObject(unsigned int n) const;
// overload m_popupInterface member so we can access specific popup interface easier
wxVListBoxComboPopup* m_popupInterface;
private:
void Init();
DECLARE_EVENT_TABLE()
DECLARE_DYNAMIC_CLASS(wxOwnerDrawnComboBox)
};
#endif // wxUSE_OWNERDRAWNCOMBOBOX
#endif
// _WX_ODCOMBO_H_