Files
wxWidgets/src/mac/control.cpp
2003-09-09 15:48:52 +00:00

760 lines
22 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: control.cpp
// Purpose: wxControl class
// Author: Stefan Csomor
// Modified by:
// Created: 1998-01-01
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "control.h"
#endif
#include "wx/defs.h"
#include "wx/control.h"
#include "wx/panel.h"
#include "wx/app.h"
#include "wx/dc.h"
#include "wx/dcclient.h"
#include "wx/notebook.h"
#include "wx/tabctrl.h"
#include "wx/radiobox.h"
#include "wx/spinbutt.h"
#include "wx/scrolbar.h"
#include "wx/button.h"
#include "wx/dialog.h"
#include "wx/statbox.h"
#include "wx/sizer.h"
#include "wx/stattext.h"
#if !USE_SHARED_LIBRARY
IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
BEGIN_EVENT_TABLE(wxControl, wxWindow)
EVT_MOUSE_EVENTS( wxControl::OnMouseEvent )
EVT_PAINT( wxControl::OnPaint )
END_EVENT_TABLE()
#endif
#include "wx/mac/uma.h"
#include "wx/mac/private.h"
// Item members
#if PRAGMA_STRUCT_ALIGN
#pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
#pragma pack(2)
#endif
typedef struct {
unsigned short instruction;
void (*function)();
} cdefRec, *cdefPtr, **cdefHandle;
#if PRAGMA_STRUCT_ALIGN
#pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
#pragma pack()
#endif
ControlActionUPP wxMacLiveScrollbarActionUPP = NULL ;
wxControl *wxFindControlFromMacControl(ControlHandle inControl ) ;
pascal void wxMacLiveScrollbarActionProc( ControlHandle control , ControlPartCode partCode ) ;
pascal void wxMacLiveScrollbarActionProc( ControlHandle control , ControlPartCode partCode )
{
if ( partCode != 0)
{
wxControl* wx = (wxControl*) GetControlReference( control ) ;
if ( wx )
{
wx->MacHandleControlClick( control , partCode , true /* stillDown */ ) ;
}
}
}
ControlColorUPP wxMacSetupControlBackgroundUPP = NULL ;
ControlDefUPP wxMacControlActionUPP = NULL ;
pascal SInt32 wxMacControlDefinition(SInt16 varCode, ControlRef theControl, ControlDefProcMessage message, SInt32 param)
{
wxControl* wx = (wxControl*) wxFindControlFromMacControl( theControl ) ;
if ( wx != NULL && wx->IsKindOf( CLASSINFO( wxControl ) ) )
{
if( message == drawCntl )
{
wxMacWindowClipper clip( wx ) ;
return InvokeControlDefUPP( varCode , theControl , message , param , (ControlDefUPP) wx->MacGetControlAction() ) ;
}
else
return InvokeControlDefUPP( varCode , theControl , message , param , (ControlDefUPP) wx->MacGetControlAction() ) ;
}
return NULL ;
}
pascal OSStatus wxMacSetupControlBackground( ControlRef iControl , SInt16 iMessage , SInt16 iDepth , Boolean iIsColor )
{
OSStatus status = noErr ;
switch( iMessage )
{
case kControlMsgSetUpBackground :
{
wxControl* wx = (wxControl*) GetControlReference( iControl ) ;
if ( wx != NULL && wx->IsKindOf( CLASSINFO( wxControl ) ) )
{
wxDC::MacSetupBackgroundForCurrentPort( wx->MacGetBackgroundBrush() ) ;
#if TARGET_CARBON
// under classic this would lead to partial redraws
RgnHandle clip = NewRgn() ;
int x = 0 , y = 0;
wx->MacWindowToRootWindow( &x,&y ) ;
CopyRgn( (RgnHandle) wx->MacGetVisibleRegion(false).GetWXHRGN() , clip ) ;
OffsetRgn( clip , x , y ) ;
SetClip( clip ) ;
DisposeRgn( clip ) ;
#endif
}
else
{
status = paramErr ;
}
}
break ;
default :
status = paramErr ;
break ;
}
return status ;
}
wxControl::wxControl()
{
m_macControl = NULL ;
m_macControlAction = NULL ;
m_macHorizontalBorder = 0 ; // additional pixels around the real control
m_macVerticalBorder = 0 ;
m_backgroundColour = *wxWHITE;
m_foregroundColour = *wxBLACK;
if ( wxMacLiveScrollbarActionUPP == NULL )
{
#if defined(UNIVERSAL_INTERFACES_VERSION) && (UNIVERSAL_INTERFACES_VERSION >= 0x0340)
wxMacLiveScrollbarActionUPP = NewControlActionUPP( wxMacLiveScrollbarActionProc );
#else
wxMacLiveScrollbarActionUPP = NewControlActionProc( wxMacLiveScrollbarActionProc ) ;
#endif
}
}
bool wxControl::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
const wxSize& size, long style,
const wxValidator& validator,
const wxString& name)
{
m_macControl = NULL ;
m_macHorizontalBorder = 0 ; // additional pixels around the real control
m_macVerticalBorder = 0 ;
bool rval = wxWindow::Create(parent, id, pos, size, style, name);
if ( parent )
{
m_backgroundColour = parent->GetBackgroundColour() ;
m_foregroundColour = parent->GetForegroundColour() ;
}
if (rval) {
#if wxUSE_VALIDATORS
SetValidator(validator);
#endif
}
return rval;
}
wxControl::~wxControl()
{
m_isBeingDeleted = TRUE;
wxRemoveMacControlAssociation( this ) ;
// If we delete an item, we should initialize the parent panel,
// because it could now be invalid.
wxWindow *parent = GetParent() ;
if ( parent )
{
if (parent->GetDefaultItem() == (wxButton*) this)
parent->SetDefaultItem(NULL);
}
if ( (ControlHandle) m_macControl )
{
::DisposeControl( (ControlHandle) m_macControl ) ;
m_macControl = NULL ;
}
}
void wxControl::SetLabel(const wxString& title)
{
m_label = wxStripMenuCodes(title) ;
if ( m_macControl )
{
UMASetControlTitle( (ControlHandle) m_macControl , m_label ) ;
}
Refresh() ;
}
wxSize wxControl::DoGetBestSize() const
{
Rect bestsize = { 0 , 0 , 0 , 0 } ;
short baselineoffset ;
int bestWidth, bestHeight ;
::GetBestControlRect( (ControlHandle) m_macControl , &bestsize , &baselineoffset ) ;
if ( EmptyRect( &bestsize ) )
{
baselineoffset = 0;
bestsize.left = bestsize.top = 0 ;
bestsize.right = 16 ;
bestsize.bottom = 16 ;
if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
{
bestsize.bottom = 16 ;
}
else if ( IsKindOf( CLASSINFO( wxSpinButton ) ) )
{
bestsize.bottom = 24 ;
}
}
if ( IsKindOf( CLASSINFO( wxButton ) ) )
{
bestWidth = m_label.Length() * 8 + 12 ;
if ( bestWidth < 70 )
bestWidth = 70 ;
}
else if ( IsKindOf( CLASSINFO( wxStaticText ) ) )
{
bestWidth = m_label.Length() * 8 ;
}
else
bestWidth = bestsize.right - bestsize.left ;
bestWidth += 2 * m_macHorizontalBorder ;
bestHeight = bestsize.bottom - bestsize.top ;
if ( bestHeight < 10 )
bestHeight = 13 ;
bestHeight += 2 * m_macVerticalBorder;
return wxSize(bestWidth, bestHeight);
}
bool wxControl::ProcessCommand (wxCommandEvent & event)
{
// Tries:
// 1) OnCommand, starting at this window and working up parent hierarchy
// 2) OnCommand then calls ProcessEvent to search the event tables.
return GetEventHandler()->ProcessEvent(event);
}
// ------------------------
wxList *wxWinMacControlList = NULL;
wxControl *wxFindControlFromMacControl(ControlHandle inControl )
{
wxNode *node = wxWinMacControlList->Find((long)inControl);
if (!node)
return NULL;
return (wxControl *)node->GetData();
}
void wxAssociateControlWithMacControl(ControlHandle inControl, wxControl *control)
{
// adding NULL WindowRef is (first) surely a result of an error and
// (secondly) breaks menu command processing
wxCHECK_RET( inControl != (ControlHandle) NULL, wxT("attempt to add a NULL WindowRef to window list") );
if ( !wxWinMacControlList->Find((long)inControl) )
wxWinMacControlList->Append((long)inControl, control);
}
void wxRemoveMacControlAssociation(wxControl *control)
{
if ( wxWinMacControlList )
wxWinMacControlList->DeleteObject(control);
}
void wxControl::MacPreControlCreate( wxWindow *parent, wxWindowID id, wxString label ,
const wxPoint& pos,
const wxSize& size, long style,
const wxValidator& validator,
const wxString& name , WXRECTPTR outBounds , unsigned char* maclabel )
{
m_label = label ;
// These sizes will be adjusted in MacPostControlCreate
m_width = size.x ;
m_height = size.y ;
m_x = pos.x ;
m_y = pos.y ;
((Rect*)outBounds)->top = -10;
((Rect*)outBounds)->left = -10;
((Rect*)outBounds)->bottom = 0;
((Rect*)outBounds)->right = 0;
wxMacStringToPascal( wxStripMenuCodes(label) , maclabel ) ;
}
void wxControl::MacPostControlCreate()
{
wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
{
// no font
}
else if ( !UMAHasAquaLayout() && (IsKindOf( CLASSINFO( wxStaticBox ) ) || IsKindOf( CLASSINFO( wxRadioBox ) ) || IsKindOf( CLASSINFO( wxButton ) ) ) )
{
ControlFontStyleRec controlstyle ;
controlstyle.flags = kControlUseFontMask ;
controlstyle.font = kControlFontSmallBoldSystemFont ;
::SetControlFontStyle( (ControlHandle) m_macControl , &controlstyle ) ;
}
else
{
ControlFontStyleRec controlstyle ;
controlstyle.flags = kControlUseFontMask ;
if (IsKindOf( CLASSINFO( wxButton ) ) )
controlstyle.font = kControlFontSmallSystemFont ; // eventually kControlFontBigSystemFont ;
else
controlstyle.font = kControlFontSmallSystemFont ;
::SetControlFontStyle( (ControlHandle) m_macControl , &controlstyle ) ;
}
ControlHandle container = (ControlHandle) GetParent()->MacGetContainerForEmbedding() ;
wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;
::EmbedControl( (ControlHandle) m_macControl , container ) ;
m_macControlIsShown = MacIsReallyShown() ;
wxAssociateControlWithMacControl( (ControlHandle) m_macControl , this ) ;
if ( wxMacSetupControlBackgroundUPP == NULL )
{
wxMacSetupControlBackgroundUPP = NewControlColorUPP( wxMacSetupControlBackground ) ;
}
if ( wxMacControlActionUPP == NULL )
{
wxMacControlActionUPP = NewControlDefUPP( wxMacControlDefinition ) ;
}
// The following block of code is responsible for crashes when switching
// back to windows, which can be seen in the dialogs sample.
// It is disabled until a proper solution can be found.
#if 0
#if TARGET_CARBON
/*
only working under classic carbon
m_macControlAction = *(**(ControlHandle)m_macControl).contrlDefProc ;
(**(ControlHandle)m_macControl).contrlDefProc = (Handle) &wxMacControlActionUPP ;
*/
#else
m_macControlAction = *(**(ControlHandle)m_macControl).contrlDefProc ;
cdefHandle cdef ;
cdef = (cdefHandle) NewHandle( sizeof(cdefRec) ) ;
if ( (**(ControlHandle)m_macControl).contrlDefProc != NULL )
{
(**cdef).instruction = 0x4EF9; /* JMP instruction */
(**cdef).function = (void(*)()) wxMacControlActionUPP;
(**(ControlHandle)m_macControl).contrlDefProc = (Handle) cdef ;
}
#endif
#endif
SetControlColorProc( (ControlHandle) m_macControl , wxMacSetupControlBackgroundUPP ) ;
// Adjust the controls size and position
wxPoint pos(m_x, m_y);
wxSize best_size( DoGetBestSize() );
wxSize new_size( m_width, m_height );
m_x = m_y = m_width = m_height = -1; // Forces SetSize to move/size the control
if (new_size.x == -1) {
new_size.x = best_size.x;
}
if (new_size.y == -1) {
new_size.y = best_size.y;
}
SetSize(pos.x, pos.y, new_size.x, new_size.y);
#if wxUSE_UNICODE
UMASetControlTitle( (ControlHandle) m_macControl , wxStripMenuCodes(m_label) ) ;
#endif
if ( m_macControlIsShown )
UMAShowControl( (ControlHandle) m_macControl ) ;
SetCursor( *wxSTANDARD_CURSOR ) ;
Refresh() ;
}
void wxControl::MacAdjustControlRect()
{
wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
if ( m_width == -1 || m_height == -1 )
{
Rect bestsize = { 0 , 0 , 0 , 0 } ;
short baselineoffset ;
::GetBestControlRect( (ControlHandle) m_macControl , &bestsize , &baselineoffset ) ;
if ( EmptyRect( &bestsize ) )
{
baselineoffset = 0;
bestsize.left = bestsize.top = 0 ;
bestsize.right = 16 ;
bestsize.bottom = 16 ;
if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
{
bestsize.bottom = 16 ;
}
else if ( IsKindOf( CLASSINFO( wxSpinButton ) ) )
{
bestsize.bottom = 24 ;
}
}
if ( m_width == -1 )
{
if ( IsKindOf( CLASSINFO( wxButton ) ) )
{
m_width = m_label.Length() * 8 + 12 ;
if ( m_width < 70 )
m_width = 70 ;
}
else if ( IsKindOf( CLASSINFO( wxStaticText ) ) )
{
m_width = m_label.Length() * 8 ;
}
else
m_width = bestsize.right - bestsize.left ;
m_width += 2 * m_macHorizontalBorder + MacGetLeftBorderSize() + MacGetRightBorderSize() ;
}
if ( m_height == -1 )
{
m_height = bestsize.bottom - bestsize.top ;
if ( m_height < 10 )
m_height = 13 ;
m_height += 2 * m_macVerticalBorder + MacGetTopBorderSize() + MacGetBottomBorderSize() ;
}
MacUpdateDimensions() ;
// UMASizeControl( (ControlHandle) m_macControl , m_width - 2 * m_macHorizontalBorder, m_height - 2 * m_macVerticalBorder ) ;
}
}
WXWidget wxControl::MacGetContainerForEmbedding()
{
if ( m_macControl )
return m_macControl ;
return wxWindow::MacGetContainerForEmbedding() ;
}
void wxControl::MacUpdateDimensions()
{
// actually in the current systems this should never be possible, but later reparenting
// may become a reality
if ( (ControlHandle) m_macControl == NULL )
return ;
if ( GetParent() == NULL )
return ;
WindowRef rootwindow = (WindowRef) MacGetRootWindow() ;
if ( rootwindow == NULL )
return ;
Rect oldBounds ;
GetControlBounds( (ControlHandle) m_macControl , &oldBounds ) ;
int new_x = m_x + MacGetLeftBorderSize() + m_macHorizontalBorder ;
int new_y = m_y + MacGetTopBorderSize() + m_macVerticalBorder ;
int new_width = m_width - MacGetLeftBorderSize() - MacGetRightBorderSize() - 2 * m_macHorizontalBorder ;
int new_height = m_height - MacGetTopBorderSize() - MacGetBottomBorderSize() - 2 * m_macVerticalBorder ;
GetParent()->MacWindowToRootWindow( & new_x , & new_y ) ;
bool doMove = new_x != oldBounds.left || new_y != oldBounds.top ;
bool doResize = ( oldBounds.right - oldBounds.left ) != new_width || (oldBounds.bottom - oldBounds.top ) != new_height ;
if ( doMove || doResize )
{
InvalWindowRect( rootwindow, &oldBounds ) ;
if ( doMove )
{
UMAMoveControl( (ControlHandle) m_macControl , new_x , new_y ) ;
}
if ( doResize )
{
UMASizeControl( (ControlHandle) m_macControl , new_width , new_height ) ;
}
}
}
void wxControl::MacSuperChangedPosition()
{
MacUpdateDimensions() ;
wxWindow::MacSuperChangedPosition() ;
}
void wxControl::MacSuperEnabled( bool enabled )
{
Refresh(FALSE) ;
wxWindow::MacSuperEnabled( enabled ) ;
}
void wxControl::MacSuperShown( bool show )
{
if ( (ControlHandle) m_macControl )
{
if ( !show )
{
if ( m_macControlIsShown )
{
::UMAHideControl( (ControlHandle) m_macControl ) ;
m_macControlIsShown = false ;
}
}
else
{
if ( MacIsReallyShown() && !m_macControlIsShown )
{
::UMAShowControl( (ControlHandle) m_macControl ) ;
m_macControlIsShown = true ;
}
}
}
wxWindow::MacSuperShown( show ) ;
}
void wxControl::DoSetSize(int x, int y,
int width, int height,
int sizeFlags )
{
wxWindow::DoSetSize( x , y ,width , height ,sizeFlags ) ;
#if 0
{
Rect meta , control ;
GetControlBounds( (ControlHandle) m_macControl , &control ) ;
RgnHandle rgn = NewRgn() ;
GetControlRegion( (ControlHandle) m_macControl , kControlStructureMetaPart , rgn ) ;
GetRegionBounds( rgn , &meta ) ;
if ( !EmptyRect( &meta ) )
{
wxASSERT( meta.left >= control.left - m_macHorizontalBorder ) ;
wxASSERT( meta.right <= control.right + m_macHorizontalBorder ) ;
wxASSERT( meta.top >= control.top - m_macVerticalBorder ) ;
wxASSERT( meta.bottom <= control.bottom + m_macVerticalBorder ) ;
}
DisposeRgn( rgn ) ;
}
#endif
return ;
}
bool wxControl::Show(bool show)
{
if ( !wxWindow::Show( show ) )
return FALSE ;
if ( (ControlHandle) m_macControl )
{
if ( !show )
{
if ( m_macControlIsShown )
{
::UMAHideControl( (ControlHandle) m_macControl ) ;
m_macControlIsShown = false ;
}
}
else
{
if ( MacIsReallyShown() && !m_macControlIsShown )
{
::UMAShowControl( (ControlHandle) m_macControl ) ;
m_macControlIsShown = true ;
}
}
}
return TRUE ;
}
bool wxControl::Enable(bool enable)
{
if ( !wxWindow::Enable(enable) )
return FALSE;
if ( (ControlHandle) m_macControl )
{
if ( enable )
UMAActivateControl( (ControlHandle) m_macControl ) ;
else
UMADeactivateControl( (ControlHandle) m_macControl ) ;
}
return TRUE ;
}
void wxControl::Refresh(bool eraseBack, const wxRect *rect)
{
wxWindow::Refresh( eraseBack , rect ) ;
}
void wxControl::MacRedrawControl()
{
if ( (ControlHandle) m_macControl && MacGetRootWindow() && m_macControlIsShown )
{
wxClientDC dc(this) ;
wxMacPortSetter helper(&dc) ;
wxMacWindowClipper clipper(this) ;
wxDC::MacSetupBackgroundForCurrentPort( MacGetBackgroundBrush() ) ;
UMADrawControl( (ControlHandle) m_macControl ) ;
}
}
void wxControl::OnPaint(wxPaintEvent& event)
{
if ( (ControlHandle) m_macControl )
{
wxPaintDC dc(this) ;
wxMacPortSetter helper(&dc) ;
wxMacWindowClipper clipper(this) ;
wxDC::MacSetupBackgroundForCurrentPort( MacGetBackgroundBrush() ) ;
UMADrawControl( (ControlHandle) m_macControl ) ;
}
else
{
event.Skip() ;
}
}
void wxControl::OnEraseBackground(wxEraseEvent& event)
{
wxWindow::OnEraseBackground( event ) ;
}
void wxControl::OnKeyDown( wxKeyEvent &event )
{
if ( (ControlHandle) m_macControl == NULL )
return ;
#if TARGET_CARBON
char charCode ;
UInt32 keyCode ;
UInt32 modifiers ;
GetEventParameter( (EventRef) wxTheApp->MacGetCurrentEvent(), kEventParamKeyMacCharCodes, typeChar, NULL,sizeof(char), NULL,&charCode );
GetEventParameter( (EventRef) wxTheApp->MacGetCurrentEvent(), kEventParamKeyCode, typeUInt32, NULL, sizeof(UInt32), NULL, &keyCode );
GetEventParameter((EventRef) wxTheApp->MacGetCurrentEvent(), kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
::HandleControlKey( (ControlHandle) m_macControl , keyCode , charCode , modifiers ) ;
#else
EventRecord *ev = (EventRecord*) wxTheApp->MacGetCurrentEvent() ;
short keycode ;
short keychar ;
keychar = short(ev->message & charCodeMask);
keycode = short(ev->message & keyCodeMask) >> 8 ;
::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
#endif
}
void wxControl::OnMouseEvent( wxMouseEvent &event )
{
if ( (ControlHandle) m_macControl == NULL )
{
event.Skip() ;
return ;
}
if (event.GetEventType() == wxEVT_LEFT_DOWN || event.GetEventType() == wxEVT_LEFT_DCLICK )
{
int x = event.m_x ;
int y = event.m_y ;
MacClientToRootWindow( &x , &y ) ;
ControlHandle control ;
Point localwhere ;
SInt16 controlpart ;
localwhere.h = x ;
localwhere.v = y ;
short modifiers = 0;
if ( !event.m_leftDown && !event.m_rightDown )
modifiers |= btnState ;
if ( event.m_shiftDown )
modifiers |= shiftKey ;
if ( event.m_controlDown )
modifiers |= controlKey ;
if ( event.m_altDown )
modifiers |= optionKey ;
if ( event.m_metaDown )
modifiers |= cmdKey ;
{
control = (ControlHandle) m_macControl ;
if ( control && ::IsControlActive( control ) )
{
{
controlpart = ::HandleControlClick( control , localwhere , modifiers , (ControlActionUPP) -1 ) ;
wxTheApp->s_lastMouseDown = 0 ;
if ( control && controlpart != kControlNoPart )
{
MacHandleControlClick( control , controlpart , false /* mouse not down anymore */ ) ;
}
}
}
}
}
else
{
event.Skip() ;
}
}
bool wxControl::MacCanFocus() const
{
if ( (ControlHandle) m_macControl == NULL )
return true ;
else
return false ;
}
void wxControl::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED( mouseStillDown ) )
{
wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
}