fd2cf1f4e2
These control are drawn using a wxDC. When the DPI changes, call SetFont to update the font of the wxDC. First call wxListBoxBase::SetFont() so m_font is updated to the new DPI, then use this font in the wxDC. For wxCheckListBox update the margins to fit the changed checkbox size.
216 lines
7.4 KiB
C++
216 lines
7.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/listbox.h
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// Purpose: wxListBox class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_LISTBOX_H_
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#define _WX_LISTBOX_H_
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#if wxUSE_LISTBOX
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// ----------------------------------------------------------------------------
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// simple types
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// ----------------------------------------------------------------------------
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#if wxUSE_OWNER_DRAWN
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class WXDLLIMPEXP_FWD_CORE wxOwnerDrawn;
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// define the array of list box items
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#include "wx/dynarray.h"
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WX_DEFINE_EXPORTED_ARRAY_PTR(wxOwnerDrawn *, wxListBoxItemsArray);
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#endif // wxUSE_OWNER_DRAWN
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// forward declaration for GetSelections()
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class WXDLLIMPEXP_FWD_BASE wxArrayInt;
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// ----------------------------------------------------------------------------
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// List box control
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxListBox : public wxListBoxBase
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{
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public:
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// ctors and such
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wxListBox() { Init(); }
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wxListBox(wxWindow *parent, wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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int n = 0, const wxString choices[] = NULL,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxListBoxNameStr)
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{
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Init();
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Create(parent, id, pos, size, n, choices, style, validator, name);
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}
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wxListBox(wxWindow *parent, wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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const wxArrayString& choices,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxListBoxNameStr)
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{
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Init();
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Create(parent, id, pos, size, choices, style, validator, name);
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}
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bool Create(wxWindow *parent, wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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int n = 0, const wxString choices[] = NULL,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxListBoxNameStr);
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bool Create(wxWindow *parent, wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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const wxArrayString& choices,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxListBoxNameStr);
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virtual ~wxListBox();
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virtual unsigned int GetCount() const wxOVERRIDE;
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virtual wxString GetString(unsigned int n) const wxOVERRIDE;
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virtual void SetString(unsigned int n, const wxString& s) wxOVERRIDE;
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virtual int FindString(const wxString& s, bool bCase = false) const wxOVERRIDE;
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virtual bool IsSelected(int n) const wxOVERRIDE;
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virtual int GetSelection() const wxOVERRIDE;
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virtual int GetSelections(wxArrayInt& aSelections) const wxOVERRIDE;
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// return the index of the item at this position or wxNOT_FOUND
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int HitTest(const wxPoint& pt) const { return DoHitTestList(pt); }
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int HitTest(wxCoord x, wxCoord y) const { return DoHitTestList(wxPoint(x, y)); }
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virtual void EnsureVisible(int n) wxOVERRIDE;
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virtual int GetTopItem() const wxOVERRIDE;
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virtual int GetCountPerPage() const wxOVERRIDE;
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// ownerdrawn wxListBox and wxCheckListBox support
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#if wxUSE_OWNER_DRAWN
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// override base class virtuals
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virtual bool SetFont(const wxFont &font) wxOVERRIDE;
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bool MSWOnMeasure(WXMEASUREITEMSTRUCT *item) wxOVERRIDE;
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bool MSWOnDraw(WXDRAWITEMSTRUCT *item) wxOVERRIDE;
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// plug-in for derived classes
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virtual wxOwnerDrawn *CreateLboxItem(size_t n);
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// allows to get the item and use SetXXX functions to set it's appearance
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wxOwnerDrawn *GetItem(size_t n) const { return m_aItems[n]; }
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// get the index of the given item
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int GetItemIndex(wxOwnerDrawn *item) const { return m_aItems.Index(item); }
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// get rect of the given item index
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bool GetItemRect(size_t n, wxRect& rect) const;
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// redraw the given item
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bool RefreshItem(size_t n);
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#endif // wxUSE_OWNER_DRAWN
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// Windows-specific code to update the horizontal extent of the listbox, if
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// necessary. If s is non-empty, the horizontal extent is increased to the
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// length of this string if it's currently too short, otherwise the maximum
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// extent of all strings is used. In any case calls InvalidateBestSize()
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virtual void SetHorizontalExtent(const wxString& s = wxEmptyString);
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// Windows callbacks
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bool MSWCommand(WXUINT param, WXWORD id) wxOVERRIDE;
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WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const wxOVERRIDE;
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// under XP when using "transition effect for menus and tooltips" if we
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// return true for WM_PRINTCLIENT here then it causes noticeable slowdown
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virtual bool MSWShouldPropagatePrintChild() wxOVERRIDE
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{
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return false;
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}
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virtual wxVisualAttributes GetDefaultAttributes() const wxOVERRIDE
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{
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return GetClassDefaultAttributes(GetWindowVariant());
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}
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static wxVisualAttributes
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GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL)
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{
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return GetCompositeControlsDefaultAttributes(variant);
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}
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// returns true if the platform should explicitly apply a theme border
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virtual bool CanApplyThemeBorder() const wxOVERRIDE { return false; }
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virtual void OnInternalIdle() wxOVERRIDE;
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protected:
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virtual wxSize DoGetBestClientSize() const wxOVERRIDE;
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virtual void DoClear() wxOVERRIDE;
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virtual void DoDeleteOneItem(unsigned int n) wxOVERRIDE;
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virtual void DoSetSelection(int n, bool select) wxOVERRIDE;
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virtual int DoInsertItems(const wxArrayStringsAdapter& items,
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unsigned int pos,
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void **clientData, wxClientDataType type) wxOVERRIDE;
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virtual void DoSetFirstItem(int n) wxOVERRIDE;
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virtual void DoSetItemClientData(unsigned int n, void* clientData) wxOVERRIDE;
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virtual void* DoGetItemClientData(unsigned int n) const wxOVERRIDE;
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// this can't be called DoHitTest() because wxWindow already has this method
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virtual int DoHitTestList(const wxPoint& point) const;
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// This is a hook for wxCheckListBox, which uses it to add the checkbox
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// width to the item width and to make it at least as tall as the checkbox.
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virtual wxSize MSWGetFullItemSize(int w, int h) const
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{
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return wxSize(w, h);
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}
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virtual void MSWUpdateFontOnDPIChange(const wxSize& newDPI) wxOVERRIDE;
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// free memory (common part of Clear() and dtor)
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void Free();
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unsigned int m_noItems;
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#if wxUSE_OWNER_DRAWN
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// control items
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wxListBoxItemsArray m_aItems;
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#endif
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private:
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// common part of all ctors
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void Init();
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// call this when items are added to or deleted from the listbox or an
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// items text changes
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void MSWOnItemsChanged();
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// flag indicating whether the max horizontal extent should be updated,
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// i.e. if we need to call SetHorizontalExtent() from OnInternalIdle()
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bool m_updateHorizontalExtent;
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wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxListBox);
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};
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#endif // wxUSE_LISTBOX
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#endif
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// _WX_LISTBOX_H_
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