void wxBitmapComboBox::RecreateControl()
{
//
// Recreate control so that WM_MEASUREITEM gets called again.
// Can't use CBS_OWNERDRAWVARIABLE because it has odd
// mouse-wheel behaviour.
//
wxString value = GetValue();
wxPoint pos = GetPosition();
wxSize size = GetSize();
wxArrayString strings = GetStrings();
wxComboBox::DoClear();
HWND hwnd = GetHwnd();
DissociateHandle();
::DestroyWindow(hwnd);
if ( !MSWCreateControl(wxT("COMBOBOX"), value, pos, size) )
return;
// initialize the controls contents
for ( unsigned int i = 0; i < strings.size(); i++ )
{
wxComboBox::Append(strings[i]);
}
// and make sure it has the same attributes as before
if ( m_hasFont )
{
// calling SetFont(m_font) would do nothing as the code would
// notice that the font didn't change, so force it to believe
// that it did
wxFont font = m_font;
m_font = wxNullFont;
SetFont(font);
}
if ( m_hasFgCol )
{
wxColour colFg = m_foregroundColour;
m_foregroundColour = wxNullColour;
SetForegroundColour(colFg);
}
if ( m_hasBgCol )
{
wxColour colBg = m_backgroundColour;
m_backgroundColour = wxNullColour;
SetBackgroundColour(colBg);
}
else
{
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
}
}
void wxBitmapComboBox::RecreateControl()
{
//
// Recreate control so that WM_MEASUREITEM gets called again.
// Can't use CBS_OWNERDRAWVARIABLE because it has odd
// mouse-wheel behaviour.
//
wxString value = GetValue();
wxPoint pos = GetPosition();
wxSize size = GetSize();
size.y = GetBestSize().y;
const wxArrayString strings = GetStrings();
const unsigned numItems = strings.size();
unsigned i;
// Save the client data pointers before clearing the control, if any.
const wxClientDataType clientDataType = GetClientDataType();
wxVector<wxClientData*> objectClientData;
wxVector<void*> voidClientData;
switch ( clientDataType )
{
case wxClientData_None:
break;
case wxClientData_Object:
objectClientData.reserve(numItems);
for ( i = 0; i < numItems; ++i )
objectClientData.push_back(GetClientObject(i));
break;
case wxClientData_Void:
voidClientData.reserve(numItems);
for ( i = 0; i < numItems; ++i )
voidClientData.push_back(GetClientData(i));
break;
}
wxComboBox::DoClear();
HWND hwnd = GetHwnd();
DissociateHandle();
::DestroyWindow(hwnd);
if ( !MSWCreateControl(wxT("COMBOBOX"), wxEmptyString, pos, size) )
return;
// initialize the controls contents
for ( i = 0; i < numItems; i++ )
{
wxComboBox::Append(strings[i]);
if ( !objectClientData.empty() )
SetClientObject(i, objectClientData[i]);
else if ( !voidClientData.empty() )
SetClientData(i, voidClientData[i]);
}
// and make sure it has the same attributes as before
if ( m_hasFont )
{
// calling SetFont(m_font) would do nothing as the code would
// notice that the font didn't change, so force it to believe
// that it did
wxFont font = m_font;
m_font = wxNullFont;
SetFont(font);
}
if ( m_hasFgCol )
{
wxColour colFg = m_foregroundColour;
m_foregroundColour = wxNullColour;
SetForegroundColour(colFg);
}
if ( m_hasBgCol )
{
wxColour colBg = m_backgroundColour;
m_backgroundColour = wxNullColour;
SetBackgroundColour(colBg);
}
else
{
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
}
::SendMessage(GetHwnd(), CB_SETITEMHEIGHT, 0, MeasureItem(0));
// Revert the old string value
if ( !HasFlag(wxCB_READONLY) )
ChangeValue(value);
}
bool wxGLCanvas::Create(wxWindow *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name,
const int *attribList,
const wxPalette& palette)
{
// Create the window first: we will either use it as is or use it to query
// for multisampling support and recreate it later with another pixel format
if ( !CreateWindow(parent, id, pos, size, style, name) )
return false;
PIXELFORMATDESCRIPTOR pfd;
const int setupVal = DoSetup(pfd, attribList);
if ( setupVal == 0 ) // PixelFormat error
return false;
if ( setupVal == -1 ) // FSAA requested
{
// now that we have a valid OpenGL window, query it for FSAA support
int pixelFormat;
{
wxGLContext ctx(this);
ctx.SetCurrent(*this);
pixelFormat = ::ChoosePixelFormatARB(m_hDC, attribList);
}
if ( pixelFormat > 0 )
{
// from http://msdn.microsoft.com/en-us/library/ms537559(VS.85).aspx:
//
// Setting the pixel format of a window more than once can
// lead to significant complications for the Window Manager
// and for multithread applications, so it is not allowed. An
// application can only set the pixel format of a window one
// time. Once a window's pixel format is set, it cannot be
// changed.
//
// so we need to delete the old window and create the new one
// destroy Window
::ReleaseDC(GetHwnd(), m_hDC);
m_hDC = 0;
parent->RemoveChild(this);
const HWND hwnd = GetHwnd();
DissociateHandle(); // will do SetHWND(0);
::DestroyWindow(hwnd);
// now recreate with FSAA pixelFormat
if ( !CreateWindow(parent, id, pos, size, style, name) )
return false;
if ( !::SetPixelFormat(m_hDC, pixelFormat, &pfd) )
{
wxLogLastError(_T("SetPixelFormat"));
return false;
}
}
}
#if wxUSE_PALETTE
if ( !SetupPalette(palette) )
return false;
#else // !wxUSE_PALETTE
wxUnusedVar(palette);
#endif // wxUSE_PALETTE/!wxUSE_PALETTE
return true;
}
wxNativeContainerWindow::~wxNativeContainerWindow()
{
// prevent the base class dtor from destroying the window, it doesn't
// belong to us so we should leave it alive
DissociateHandle();
}
bool wxGLCanvas::Create(wxWindow *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name,
const int *attribList,
const wxPalette& palette)
{
// Create the window first: we will either use it as is or use it to query
// for multisampling support and recreate it later with another pixel format
if ( !CreateWindow(parent, id, pos, size, style, name) )
return false;
// these will be used for the context creation attributes
// if a core profile is requested
bool useGLCoreProfile = false;
// the minimum gl core version is 3.0
int glVersionMajor = 3,
glVersionMinor = 0;
// Check for a core profile request
if ( attribList )
{
for ( int i = 0; attribList[i]; )
{
switch ( attribList[i++] )
{
case WX_GL_CORE_PROFILE:
useGLCoreProfile = true;
break;
case WX_GL_MAJOR_VERSION:
glVersionMajor = attribList[i++];
break;
case WX_GL_MINOR_VERSION:
glVersionMinor = attribList[i++];
break;
default:
// ignore all other flags for now
break;
}
}
}
if ( useGLCoreProfile )
{
s_wglContextAttribs[0] = WGL_CONTEXT_MAJOR_VERSION_ARB;
s_wglContextAttribs[1] = glVersionMajor;
s_wglContextAttribs[2] = WGL_CONTEXT_MINOR_VERSION_ARB;
s_wglContextAttribs[3] = glVersionMinor;
s_wglContextAttribs[4] = WGL_CONTEXT_FLAGS_ARB;
s_wglContextAttribs[5] = WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
s_wglContextAttribs[6] = WGL_CONTEXT_PROFILE_MASK_ARB;
s_wglContextAttribs[7] = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
s_wglContextAttribs[8] = 0; // terminate
}
else // create legacy/compatibility context
{
s_wglContextAttribs[0] = 0;
}
PIXELFORMATDESCRIPTOR pfd;
const int setupVal = DoSetup(pfd, attribList);
if ( setupVal == 0 ) // PixelFormat error
return false;
if ( setupVal == -1 ) // FSAA requested
{
// now that we have a valid OpenGL window, query it for FSAA support
int pixelFormat;
{
wxGLContext ctx(this);
ctx.SetCurrent(*this);
pixelFormat = ::ChoosePixelFormatARB(m_hDC, attribList);
}
if ( pixelFormat > 0 )
{
// from http://msdn.microsoft.com/en-us/library/ms537559(VS.85).aspx:
//
// Setting the pixel format of a window more than once can
// lead to significant complications for the Window Manager
// and for multithread applications, so it is not allowed. An
// application can only set the pixel format of a window one
// time. Once a window's pixel format is set, it cannot be
// changed.
//
// so we need to delete the old window and create the new one
// destroy Window
::ReleaseDC(GetHwnd(), m_hDC);
m_hDC = 0;
parent->RemoveChild(this);
const HWND hwnd = GetHwnd();
DissociateHandle(); // will do SetHWND(0);
::DestroyWindow(hwnd);
// now recreate with FSAA pixelFormat
if ( !CreateWindow(parent, id, pos, size, style, name) )
return false;
if ( !::SetPixelFormat(m_hDC, pixelFormat, &pfd) )
{
wxLogLastError(wxT("SetPixelFormat"));
return false;
}
}
}
#if wxUSE_PALETTE
if ( !SetupPalette(palette) )
return false;
#else // !wxUSE_PALETTE
wxUnusedVar(palette);
#endif // wxUSE_PALETTE/!wxUSE_PALETTE
return true;
}