1169a91932
(Watcom compiler doesn't like ctor implementation in headers) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25121 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
443 lines
13 KiB
C++
443 lines
13 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: checklst.cpp
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// Purpose: implementation of wxCheckListBox class
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// Author: Stefan Csomor
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// Modified by:
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// Created: 1998-01-01
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// RCS-ID: $Id$
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// Copyright: (c) Stefan Csomor
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// headers & declarations
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// ============================================================================
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#ifdef __GNUG__
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#pragma implementation "checklst.h"
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#endif
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#include "wx/defs.h"
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#if wxUSE_CHECKLISTBOX
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#include "wx/checklst.h"
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#include "wx/mac/uma.h"
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#include "Appearance.h"
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// ============================================================================
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// implementation of wxCheckListBoxBase
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// ============================================================================
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wxCheckListBoxBase::wxCheckListBoxBase()
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{
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}
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// ============================================================================
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// implementation of wxCheckListBox
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// ============================================================================
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IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
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const short kwxMacListWithVerticalScrollbar = 128 ;
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const short kwxMacListItemHeight = 14 ;
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const short kwxMacListCheckboxWidth = 14 ;
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=mac68k
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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typedef struct {
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unsigned short instruction;
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void (*function)();
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} ldefRec, *ldefPtr, **ldefHandle;
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=reset
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(pop)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack()
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#endif
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extern "C"
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{
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static pascal void wxMacCheckListDefinition( short message, Boolean isSelected, Rect *drawRect,
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Cell cell, short dataOffset, short dataLength,
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ListHandle listHandle ) ;
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}
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static pascal void wxMacCheckListDefinition( short message, Boolean isSelected, Rect *drawRect,
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Cell cell, short dataOffset, short dataLength,
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ListHandle listHandle )
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{
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GrafPtr savePort;
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GrafPtr grafPtr;
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RgnHandle savedClipRegion;
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SInt32 savedPenMode;
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wxCheckListBox* list;
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GetPort(&savePort);
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SetPort((**listHandle).port);
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grafPtr = (**listHandle).port ;
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// typecast our refCon
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list = (wxCheckListBox*) GetControlReference( (ControlHandle) GetListRefCon(listHandle) );
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// Calculate the cell rect.
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switch( message ) {
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case lInitMsg:
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break;
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case lCloseMsg:
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break;
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case lDrawMsg:
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{
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const wxString text = list->m_stringArray[cell.v] ;
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int checked = list->m_checks[cell.v] ;
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// Save the current clip region, and set the clip region to the area we are about
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// to draw.
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savedClipRegion = NewRgn();
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GetClip( savedClipRegion );
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ClipRect( drawRect );
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EraseRect( drawRect );
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const wxFont& font = list->GetFont();
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if ( font.Ok() )
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{
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::TextFont( font.GetMacFontNum() ) ;
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::TextSize( font.GetMacFontSize()) ;
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::TextFace( font.GetMacFontStyle() ) ;
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}
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ThemeButtonDrawInfo info ;
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info.state = kThemeStateActive ;
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info.value = checked ? kThemeButtonOn : kThemeButtonOff ;
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info.adornment = kThemeAdornmentNone ;
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Rect checkRect = *drawRect ;
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checkRect.left +=0 ;
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checkRect.top +=0 ;
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checkRect.right = checkRect.left + list->m_checkBoxWidth ;
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checkRect.bottom = checkRect.top + list->m_checkBoxHeight ;
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DrawThemeButton(&checkRect,kThemeCheckBox,
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&info,NULL,NULL, NULL,0);
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MoveTo(drawRect->left + 2 + list->m_checkBoxWidth+2, drawRect->top + list->m_TextBaseLineOffset );
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DrawText(text, 0 , text.Length());
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// If the cell is hilited, do the hilite now. Paint the cell contents with the
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// appropriate QuickDraw transform mode.
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if( isSelected ) {
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savedPenMode = GetPortPenMode( (CGrafPtr) grafPtr );
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SetPortPenMode( (CGrafPtr) grafPtr, hilitetransfermode );
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PaintRect( drawRect );
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SetPortPenMode( (CGrafPtr) grafPtr, savedPenMode );
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}
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// Restore the saved clip region.
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SetClip( savedClipRegion );
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DisposeRgn( savedClipRegion );
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}
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break;
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case lHiliteMsg:
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// Hilite or unhilite the cell. Paint the cell contents with the
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// appropriate QuickDraw transform mode.
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GetPort( &grafPtr );
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savedPenMode = GetPortPenMode( (CGrafPtr) grafPtr );
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SetPortPenMode( (CGrafPtr) grafPtr, hilitetransfermode );
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PaintRect( drawRect );
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SetPortPenMode( (CGrafPtr) grafPtr, savedPenMode );
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break;
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default :
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break ;
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}
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SetPort(savePort);
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}
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extern "C" void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon) ;
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static ListDefUPP macCheckListDefUPP = NULL ;
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// ----------------------------------------------------------------------------
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// creation
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// ----------------------------------------------------------------------------
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void wxCheckListBox::Init()
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{
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}
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bool wxCheckListBox::Create(wxWindow *parent,
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wxWindowID id,
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const wxPoint &pos,
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const wxSize &size,
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int n,
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const wxString choices[],
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long style,
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const wxValidator& validator,
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const wxString &name)
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{
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if ( !wxCheckListBoxBase::Create(parent, id, pos, size,
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n, choices, style, validator, name) )
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return false;
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m_noItems = 0 ; // this will be increased by our append command
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m_selected = 0;
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m_checkBoxWidth = 12;
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m_checkBoxHeight= 10;
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long h = m_checkBoxHeight ;
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#if TARGET_CARBON
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GetThemeMetric(kThemeMetricCheckBoxWidth,(long *)&m_checkBoxWidth);
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GetThemeMetric(kThemeMetricCheckBoxHeight,&h);
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#endif
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const wxFont& font = GetFont();
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FontInfo finfo;
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FetchFontInfo(font.GetMacFontNum(),font.GetMacFontSize(),font.GetMacFontStyle(),&finfo);
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m_TextBaseLineOffset= finfo.leading+finfo.ascent;
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m_checkBoxHeight= finfo.leading+finfo.ascent+finfo.descent;
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if (m_checkBoxHeight<h)
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{
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m_TextBaseLineOffset+= (h-m_checkBoxHeight)/2;
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m_checkBoxHeight= h;
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}
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Rect bounds ;
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Str255 title ;
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MacPreControlCreate( parent , id , wxEmptyString , pos , size ,style, validator , name , &bounds , title ) ;
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ListDefSpec listDef;
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listDef.defType = kListDefUserProcType;
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if ( macCheckListDefUPP == NULL )
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{
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macCheckListDefUPP = NewListDefUPP( wxMacCheckListDefinition );
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}
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listDef.u.userProc = macCheckListDefUPP ;
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#if TARGET_CARBON
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Size asize;
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CreateListBoxControl( MAC_WXHWND(parent->MacGetRootWindow()), &bounds, false, 0, 1, false, true,
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m_checkBoxHeight+2, 14, false, &listDef, (ControlRef *)&m_macControl );
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GetControlData( (ControlHandle) m_macControl, kControlNoPart, kControlListBoxListHandleTag,
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sizeof(ListHandle), (Ptr) &m_macList, &asize);
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SetControlReference( (ControlHandle) m_macControl, (long) this);
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SetControlVisibility( (ControlHandle) m_macControl, false, false);
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#else
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long result ;
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wxStAppResource resload ;
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m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false ,
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kwxMacListWithVerticalScrollbar , 0 , 0,
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kControlListBoxProc , (long) this ) ;
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::GetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlListBoxListHandleTag ,
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sizeof( ListHandle ) , (char*) &m_macList , &result ) ;
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HLock( (Handle) m_macList ) ;
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ldefHandle ldef ;
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ldef = (ldefHandle) NewHandle( sizeof(ldefRec) ) ;
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if ( (**(ListHandle)m_macList).listDefProc != NULL )
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{
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(**ldef).instruction = 0x4EF9; /* JMP instruction */
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(**ldef).function = (void(*)()) listDef.u.userProc;
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(**(ListHandle)m_macList).listDefProc = (Handle) ldef ;
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}
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Point pt = (**(ListHandle)m_macList).cellSize ;
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pt.v = 14 ;
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LCellSize( pt , (ListHandle)m_macList ) ;
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LAddColumn( 1 , 0 , (ListHandle)m_macList ) ;
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#endif
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OptionBits options = 0;
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if ( style & wxLB_MULTIPLE )
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{
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options += lNoExtend ;
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}
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else if ( style & wxLB_EXTENDED )
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{
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options += lExtendDrag ;
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}
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else
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{
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options = (OptionBits) lOnlyOne ;
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}
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SetListSelectionFlags((ListHandle)m_macList, options);
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MacPostControlCreate() ;
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for ( int i = 0 ; i < n ; i++ )
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{
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Append( choices[i] ) ;
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}
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LSetDrawingMode( true , (ListHandle) m_macList ) ;
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// wxCheckListBox functions
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// ----------------------------------------------------------------------------
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bool wxCheckListBox::IsChecked(size_t item) const
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{
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wxCHECK_MSG( item < m_checks.GetCount(), FALSE,
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_T("invalid index in wxCheckListBox::IsChecked") );
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return m_checks[item] != 0;
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}
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void wxCheckListBox::Check(size_t item, bool check)
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{
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wxCHECK_RET( item < m_checks.GetCount(),
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_T("invalid index in wxCheckListBox::Check") );
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// intermediate var is needed to avoid compiler warning with VC++
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bool isChecked = m_checks[item] != 0;
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if ( check != isChecked )
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{
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m_checks[item] = check;
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MacRedrawControl() ;
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}
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}
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// ----------------------------------------------------------------------------
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// methods forwarded to wxListBox
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// ----------------------------------------------------------------------------
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void wxCheckListBox::Delete(int n)
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{
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wxCHECK_RET( n < GetCount(), _T("invalid index in wxListBox::Delete") );
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wxListBox::Delete(n);
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m_checks.RemoveAt(n);
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}
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int wxCheckListBox::DoAppend(const wxString& item)
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{
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LSetDrawingMode( false , (ListHandle) m_macList ) ;
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int pos = wxListBox::DoAppend(item);
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// the item is initially unchecked
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m_checks.Insert(FALSE, pos);
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LSetDrawingMode( true , (ListHandle) m_macList ) ;
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return pos;
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}
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void wxCheckListBox::DoInsertItems(const wxArrayString& items, int pos)
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{
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wxListBox::DoInsertItems(items, pos);
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size_t count = items.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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m_checks.Insert(FALSE, pos + n);
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}
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}
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void wxCheckListBox::DoSetItems(const wxArrayString& items, void **clientData)
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{
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// call it first as it does DoClear()
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wxListBox::DoSetItems(items, clientData);
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size_t count = items.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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m_checks.Add(FALSE);
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}
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}
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void wxCheckListBox::DoClear()
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{
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m_checks.Empty();
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}
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BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
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EVT_CHAR(wxCheckListBox::OnChar)
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EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)
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END_EVENT_TABLE()
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// this will only work as soon as
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void wxCheckListBox::OnChar(wxKeyEvent& event)
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{
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if ( event.GetKeyCode() == WXK_SPACE )
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{
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int index = GetSelection() ;
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if ( index >= 0 )
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{
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Check(index, !IsChecked(index) ) ;
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wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId());
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event.SetInt(index);
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event.SetEventObject(this);
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GetEventHandler()->ProcessEvent(event);
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}
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}
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else
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event.Skip();
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}
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void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
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{
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// clicking on the item selects it, clicking on the checkmark toggles
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if ( event.GetX() <= 20 /*check width*/ ) {
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int lineheight ;
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int topcell ;
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#if TARGET_CARBON
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Point pt ;
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GetListCellSize( (ListHandle)m_macList , &pt ) ;
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lineheight = pt.v ;
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ListBounds visible ;
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GetListVisibleCells( (ListHandle)m_macList , &visible ) ;
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topcell = visible.top ;
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#else
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lineheight = (**(ListHandle)m_macList).cellSize.v ;
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topcell = (**(ListHandle)m_macList).visible.top ;
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#endif
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size_t nItem = ((size_t)event.GetY()) / lineheight + topcell ;
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if ( nItem < (size_t)m_noItems )
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{
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Check(nItem, !IsChecked(nItem) ) ;
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wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId());
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event.SetInt(nItem);
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event.SetEventObject(this);
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GetEventHandler()->ProcessEvent(event);
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}
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//else: it's not an error, just click outside of client zone
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}
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else {
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// implement default behaviour: clicking on the item selects it
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event.Skip();
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}
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}
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#endif // wxUSE_CHECKLISTBOX
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