void wxComboCtrl::DoTimerEvent()
{
bool stopTimer = false;
wxWindow* win = GetPopupWindow();
wxWindow* popup = GetPopupControl()->GetControl();
// Popup was hidden before it was fully shown?
if ( IsPopupWindowState(Hidden) )
{
stopTimer = true;
}
else
{
wxMilliClock_t t = ::wxGetLocalTimeMillis();
const wxRect& rect = m_animRect;
#if wxUSE_LONGLONG
int pos = (int) (t-m_animStart).GetLo();
#else
int pos = (int) (t-m_animStart);
#endif
if ( pos < COMBOBOX_ANIMATION_DURATION )
{
int height = rect.height;
//int h0 = rect.height;
int h = (((pos*256)/COMBOBOX_ANIMATION_DURATION)*height)/256;
int y = (height - h);
if ( y < 0 )
y = 0;
if ( m_animFlags & ShowAbove )
{
win->SetSize( rect.x, rect.y + height - h, rect.width, h );
}
else
{
// Note that apparently Move() should be called after
// SetSize() to reduce (or even eliminate) animation garbage
win->SetSize( rect.x, rect.y, rect.width, h );
popup->Move( 0, -y );
}
}
else
{
stopTimer = true;
}
}
if ( stopTimer )
{
m_animTimer.Stop();
DoShowPopup( m_animRect, m_animFlags );
popup->Move( 0, 0 );
// Do a one final refresh to clean up the rare cases of animation
// garbage
win->Refresh();
}
}
void wxComboCtrl::DoTimerEvent()
{
bool stopTimer = false;
wxWindow* popup = GetPopupControl()->GetControl();
// Popup was hidden before it was fully shown?
if ( IsPopupWindowState(Hidden) )
{
stopTimer = true;
}
else
{
wxLongLong t = ::wxGetLocalTimeMillis();
const wxRect& rect = m_animRect;
wxWindow* win = GetPopupWindow();
int pos = (int) (t-m_animStart).GetLo();
if ( pos < COMBOBOX_ANIMATION_DURATION )
{
int height = rect.height;
//int h0 = rect.height;
int h = (((pos*256)/COMBOBOX_ANIMATION_DURATION)*height)/256;
int y = (height - h);
if ( y < 0 )
y = 0;
if ( m_animFlags & ShowAbove )
{
win->SetSize( rect.x, rect.y + height - h, rect.width, h );
}
else
{
popup->Move( 0, -y );
win->SetSize( rect.x, rect.y, rect.width, h );
}
}
else
{
stopTimer = true;
}
}
if ( stopTimer )
{
popup->Move( 0, 0 );
m_animTimer.Stop();
DoShowPopup( m_animRect, m_animFlags );
}
}
void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
{
// TODO: Convert drawing in this function to Windows API Code
wxSize sz = GetClientSize();
wxDC* dcPtr = wxAutoBufferedPaintDCFactory(this);
wxDC& dc = *dcPtr;
const wxRect& rectButton = m_btnArea;
wxRect rectTextField = m_tcArea;
// FIXME: Either SetBackgroundColour or GetBackgroundColour
// doesn't work under Vista, so here's a temporary
// workaround.
// In the theme-less rendering code below, this fixes incorrect
// background on read-only comboboxes (they are gray, but should be
// white).
wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
#if wxUSE_UXTHEME
const bool isEnabled = IsThisEnabled();
wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
HDC hDc = GetHdcOf(*impl);
HWND hWnd = GetHwndOf(this);
wxUxThemeHandle hTheme(this, L"COMBOBOX");
#endif // wxUSE_UXTHEME
wxRect borderRect(0,0,sz.x,sz.y);
if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
{
borderRect = m_tcArea;
borderRect.Inflate(1);
}
int drawButFlags = 0;
#if wxUSE_UXTHEME
if ( hTheme )
{
const bool useVistaComboBox = ::wxGetWinVersion() >= wxWinVersion_Vista;
RECT rFull;
wxCopyRectToRECT(borderRect, rFull);
RECT rButton;
wxCopyRectToRECT(rectButton, rButton);
RECT rBorder;
wxCopyRectToRECT(borderRect, rBorder);
bool isNonStdButton = (m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE) ||
(m_iFlags & wxCC_IFLAG_HAS_NONSTANDARD_BUTTON);
//
// Get some states for themed drawing
int butState;
if ( !isEnabled )
{
butState = CBXS_DISABLED;
}
// Vista will display the drop-button as depressed always
// when the popup window is visilbe
else if ( (m_btnState & wxCONTROL_PRESSED) ||
(useVistaComboBox && !IsPopupWindowState(Hidden)) )
{
butState = CBXS_PRESSED;
}
else if ( m_btnState & wxCONTROL_CURRENT )
{
butState = CBXS_HOT;
}
else
{
butState = CBXS_NORMAL;
}
int comboBoxPart = 0; // For XP, use the 'default' part
RECT* rUseForBg = &rBorder;
bool drawFullButton = false;
int bgState = butState;
const bool isFocused = (FindFocus() == GetMainWindowOfCompositeControl()) ? true : false;
if ( useVistaComboBox )
{
// Draw the entire control as a single button?
if ( !isNonStdButton )
{
if ( HasFlag(wxCB_READONLY) )
drawFullButton = true;
}
if ( drawFullButton )
{
comboBoxPart = CP_READONLY;
rUseForBg = &rFull;
// It should be safe enough to update this flag here.
m_iFlags |= wxCC_FULL_BUTTON;
}
else
{
comboBoxPart = CP_BORDER;
m_iFlags &= ~wxCC_FULL_BUTTON;
if ( isFocused )
bgState = CBB_FOCUSED;
else
bgState = CBB_NORMAL;
}
}
//
// Draw parent's background, if necessary
RECT* rUseForTb = NULL;
if ( ::IsThemeBackgroundPartiallyTransparent( hTheme, comboBoxPart, bgState ) )
rUseForTb = &rFull;
else if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
rUseForTb = &rButton;
if ( rUseForTb )
::DrawThemeParentBackground( hWnd, hDc, rUseForTb );
//
// Draw the control background (including the border)
if ( m_widthCustomBorder > 0 )
{
::DrawThemeBackground( hTheme, hDc, comboBoxPart, bgState, rUseForBg, NULL );
}
else
{
// No border. We can't use theme, since it cannot be relied on
// to deliver borderless drawing, even with DrawThemeBackgroundEx.
dc.SetBrush(bgCol);
dc.SetPen(bgCol);
dc.DrawRectangle(borderRect);
}
//
// Draw the drop-button
if ( !isNonStdButton )
{
drawButFlags = Button_BitmapOnly;
int butPart = CP_DROPDOWNBUTTON;
if ( useVistaComboBox )
{
if ( drawFullButton )
{
// We need to alter the button style slightly before
// drawing the actual button (but it was good above
// when background etc was done).
if ( butState == CBXS_HOT || butState == CBXS_PRESSED )
butState = CBXS_NORMAL;
}
if ( m_btnSide == wxRIGHT )
butPart = CP_DROPDOWNBUTTONRIGHT;
else
butPart = CP_DROPDOWNBUTTONLEFT;
}
::DrawThemeBackground( hTheme, hDc, butPart, butState, &rButton, NULL );
}
else if ( useVistaComboBox &&
(m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE) )
{
// We'll do this, because DrawThemeParentBackground
// doesn't seem to be reliable on Vista.
drawButFlags |= Button_PaintBackground;
}
}
else
#endif
{
// Windows 2000 and earlier
drawButFlags = Button_PaintBackground;
dc.SetBrush(bgCol);
dc.SetPen(bgCol);
dc.DrawRectangle(borderRect);
}
// Button rendering (may only do the bitmap on button, depending on the flags)
DrawButton( dc, rectButton, drawButFlags );
// Paint required portion of the custom image on the control
if ( (!m_text || m_widthCustomPaint) )
{
wxASSERT( m_widthCustomPaint >= 0 );
// this is intentionally here to allow drawed rectangle's
// right edge to be hidden
if ( m_text )
rectTextField.width = m_widthCustomPaint;
dc.SetFont( GetFont() );
dc.SetClippingRegion(rectTextField);
if ( m_popupInterface )
m_popupInterface->PaintComboControl(dc,rectTextField);
else
wxComboPopup::DefaultPaintComboControl(this,dc,rectTextField);
}
delete dcPtr;
}