int wxColourDialog::ShowModal()
{
// initialize the struct used by Windows
CHOOSECOLOR chooseColorStruct;
memset(&chooseColorStruct, 0, sizeof(CHOOSECOLOR));
size_t i;
// and transfer data from m_colourData to it
COLORREF custColours[16];
for ( i = 0; i < WXSIZEOF(custColours); i++ )
{
if ( m_colourData.GetCustomColour(i).IsOk() )
custColours[i] = wxColourToRGB(m_colourData.GetCustomColour(i));
else
custColours[i] = RGB(255,255,255);
}
chooseColorStruct.lStructSize = sizeof(CHOOSECOLOR);
if ( m_parent )
chooseColorStruct.hwndOwner = GetHwndOf(m_parent);
chooseColorStruct.rgbResult = wxColourToRGB(m_colourData.GetColour());
chooseColorStruct.lpCustColors = custColours;
chooseColorStruct.Flags = CC_RGBINIT | CC_ENABLEHOOK;
chooseColorStruct.lCustData = (LPARAM)this;
chooseColorStruct.lpfnHook = wxColourDialogHookProc;
if ( m_colourData.GetChooseFull() )
chooseColorStruct.Flags |= CC_FULLOPEN;
// do show the modal dialog
if ( !::ChooseColor(&chooseColorStruct) )
{
// 0 error means the dialog was simply cancelled, i.e. no real error
// occurred
const DWORD err = CommDlgExtendedError();
if ( err )
wxLogError(_("Colour selection dialog failed with error %0lx."), err);
return wxID_CANCEL;
}
// transfer the values chosen by user back into m_colourData
for ( i = 0; i < WXSIZEOF(custColours); i++ )
{
wxRGBToColour(m_colourData.m_custColours[i], custColours[i]);
}
wxRGBToColour(m_colourData.GetColour(), chooseColorStruct.rgbResult);
// this doesn't seem to work (contrary to what MSDN implies) on current
// Windows versions: CC_FULLOPEN is never set on return if it wasn't
// initially set and vice versa
//m_colourData.SetChooseFull((chooseColorStruct.Flags & CC_FULLOPEN) != 0);
return wxID_OK;
}
int wxColourDialog::ShowModal()
{
CHOOSECOLOR chooseColorStruct;
COLORREF custColours[16];
memset(&chooseColorStruct, 0, sizeof(CHOOSECOLOR));
int i;
for (i = 0; i < 16; i++)
{
if (m_colourData.m_custColours[i].Ok())
custColours[i] = wxColourToRGB(m_colourData.m_custColours[i]);
else
custColours[i] = RGB(255,255,255);
}
chooseColorStruct.lStructSize = sizeof(CHOOSECOLOR);
if ( m_parent )
chooseColorStruct.hwndOwner = GetHwndOf(m_parent);
chooseColorStruct.rgbResult = wxColourToRGB(m_colourData.m_dataColour);
chooseColorStruct.lpCustColors = custColours;
chooseColorStruct.Flags = CC_RGBINIT | CC_ENABLEHOOK;
chooseColorStruct.lCustData = (LPARAM)this;
chooseColorStruct.lpfnHook = wxColourDialogHookProc;
if (m_colourData.GetChooseFull())
chooseColorStruct.Flags |= CC_FULLOPEN;
// Do the modal dialog
bool success = ::ChooseColor(&(chooseColorStruct)) != 0;
// Try to highlight the correct window (the parent)
if (GetParent())
{
HWND hWndParent = (HWND) GetParent()->GetHWND();
if (hWndParent)
::BringWindowToTop(hWndParent);
}
// Restore values
for (i = 0; i < 16; i++)
{
wxRGBToColour(m_colourData.m_custColours[i], custColours[i]);
}
wxRGBToColour(m_colourData.m_dataColour, chooseColorStruct.rgbResult);
return success ? wxID_OK : wxID_CANCEL;
}
WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd)
{
HDC hdc = (HDC)pDC;
WXHBRUSH hbr = 0;
if ( !colBg.IsOk() )
{
if ( wxWindow *win = wxFindWinFromHandle(hWnd) )
hbr = win->MSWGetBgBrush(pDC);
// if the control doesn't have any bg colour, foreground colour will be
// ignored as the return value would be 0 -- so forcefully give it a
// non default background brush in this case
if ( !hbr && m_hasFgCol )
colBg = GetBackgroundColour();
}
// use the background colour override if a valid colour is given: this is
// used when the control is disabled to grey it out and also if colBg was
// set just above
if ( colBg.IsOk() )
{
wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg);
hbr = (WXHBRUSH)brush->GetResourceHandle();
}
// always set the foreground colour if we changed the background, whether
// m_hasFgCol is true or not: if it true, we must do it, of course, but
// even if it isn't, we must set the default foreground explicitly as by
// default just the simple black is used
if ( hbr )
{
::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
}
// finally also set the background colour for text drawing: without this,
// the text in an edit control is drawn using the default background even
// if we return a valid brush
if ( colBg.IsOk() || m_hasBgCol )
{
if ( !colBg.IsOk() )
colBg = GetBackgroundColour();
::SetBkColor(hdc, wxColourToRGB(colBg));
}
return hbr;
}
// Adds a bitmap, using the specified colour to create the mask bitmap
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap'.
int wxImageList::Add(const wxBitmap& bitmap, const wxColour& maskColour)
{
HBITMAP hbmp;
#if wxUSE_WXDIB && wxUSE_IMAGE
// See the comment in overloaded Add() above.
AutoHBITMAP hbmpRelease;
if ( bitmap.HasAlpha() )
{
hbmp = wxDIB(bitmap.ConvertToImage(),
wxDIB::PixelFormat_NotPreMultiplied).Detach();
hbmpRelease.Init(hbmp);
}
else
#endif // wxUSE_WXDIB && wxUSE_IMAGE
hbmp = GetHbitmapOf(bitmap);
int index = ImageList_AddMasked(GetHImageList(),
hbmp,
wxColourToRGB(maskColour));
if ( index == -1 )
{
wxLogError(_("Couldn't add an image to the image list."));
}
return index;
}
bool wxGauge::SetBackgroundColour(const wxColour& col)
{
if ( !wxControl::SetBackgroundColour(col) )
return false;
::SendMessage(GetHwnd(), PBM_SETBKCOLOR, 0, (LPARAM)wxColourToRGB(col));
return true;
}
// Adds a bitmap, using the specified colour to create the mask bitmap
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap'.
int wxImageList::Add(const wxBitmap& bitmap, const wxColour& maskColour)
{
int index = ImageList_AddMasked(GetHImageList(),
GetHbitmapOf(bitmap),
wxColourToRGB(maskColour));
if ( index == -1 )
{
wxLogError(_("Couldn't add an image to the image list."));
}
return index;
}
WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd)
{
HDC hdc = (HDC)pDC;
if ( m_hasFgCol )
{
::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
}
WXHBRUSH hbr = 0;
if ( !colBg.Ok() )
{
hbr = MSWGetBgBrush(pDC, hWnd);
// if the control doesn't have any bg colour, foreground colour will be
// ignored as the return value would be 0 -- so forcefully give it a
// non default background brush in this case
if ( !hbr && m_hasFgCol )
colBg = GetBackgroundColour();
}
// use the background colour override if a valid colour is given
if ( colBg.Ok() )
{
::SetBkColor(hdc, wxColourToRGB(colBg));
// draw children with the same colour as the parent
wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg, wxSOLID);
hbr = (WXHBRUSH)brush->GetResourceHandle();
// if we use custom background, we should set foreground ourselves too
if ( !m_hasFgCol )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_WINDOWTEXT));
}
//else: already set above
}
return hbr;
}
// Draws the given image on a dc at the specified position.
// If 'solidBackground' is true, Draw sets the image list background
// colour to the background colour of the wxDC, to speed up
// drawing by eliminating masked drawing where possible.
bool wxImageList::Draw(int index,
wxDC& dc,
int x, int y,
int flags,
bool solidBackground)
{
wxDCImpl *impl = dc.GetImpl();
wxMSWDCImpl *msw_impl = wxDynamicCast( impl, wxMSWDCImpl );
if (!msw_impl)
return false;
HDC hDC = GetHdcOf(*msw_impl);
wxCHECK_MSG( hDC, false, wxT("invalid wxDC in wxImageList::Draw") );
COLORREF clr = CLR_NONE; // transparent by default
if ( solidBackground )
{
const wxBrush& brush = dc.GetBackground();
if ( brush.IsOk() )
{
clr = wxColourToRGB(brush.GetColour());
}
}
ImageList_SetBkColor(GetHImageList(), clr);
UINT style = 0;
if ( flags & wxIMAGELIST_DRAW_NORMAL )
style |= ILD_NORMAL;
if ( flags & wxIMAGELIST_DRAW_TRANSPARENT )
style |= ILD_TRANSPARENT;
if ( flags & wxIMAGELIST_DRAW_SELECTED )
style |= ILD_SELECTED;
if ( flags & wxIMAGELIST_DRAW_FOCUSED )
style |= ILD_FOCUS;
bool ok = ImageList_Draw(GetHImageList(), index, hDC, x, y, style) != 0;
if ( !ok )
{
wxLogLastError(wxT("ImageList_Draw()"));
}
return ok;
}
int wxFontDialog::ShowModal()
{
// It should be OK to always use GDI simulations
DWORD flags = CF_SCREENFONTS /* | CF_NOSIMULATIONS */ ;
LOGFONT logFont;
CHOOSEFONT chooseFontStruct;
wxZeroMemory(chooseFontStruct);
chooseFontStruct.lStructSize = sizeof(CHOOSEFONT);
if ( m_parent )
chooseFontStruct.hwndOwner = GetHwndOf(m_parent);
chooseFontStruct.lpLogFont = &logFont;
if ( m_fontData.m_initialFont.IsOk() )
{
flags |= CF_INITTOLOGFONTSTRUCT;
wxFillLogFont(&logFont, &m_fontData.m_initialFont);
}
if ( m_fontData.m_fontColour.IsOk() )
{
chooseFontStruct.rgbColors = wxColourToRGB(m_fontData.m_fontColour);
}
// CF_ANSIONLY flag is obsolete for Win32
if ( !m_fontData.GetAllowSymbols() )
{
flags |= CF_SELECTSCRIPT;
logFont.lfCharSet = ANSI_CHARSET;
}
if ( m_fontData.GetEnableEffects() )
flags |= CF_EFFECTS;
if ( m_fontData.GetShowHelp() )
flags |= CF_SHOWHELP;
if ( m_fontData.m_minSize != 0 || m_fontData.m_maxSize != 0 )
{
chooseFontStruct.nSizeMin = m_fontData.m_minSize;
chooseFontStruct.nSizeMax = m_fontData.m_maxSize;
flags |= CF_LIMITSIZE;
}
chooseFontStruct.Flags = flags;
if ( ChooseFont(&chooseFontStruct) != 0 )
{
wxRGBToColour(m_fontData.m_fontColour, chooseFontStruct.rgbColors);
m_fontData.m_chosenFont = wxCreateFontFromLogFont(&logFont);
m_fontData.EncodingInfo().facename = logFont.lfFaceName;
m_fontData.EncodingInfo().charset = logFont.lfCharSet;
return wxID_OK;
}
else
{
DWORD dwErr = CommDlgExtendedError();
if ( dwErr != 0 )
{
wxLogError(_("Common dialog failed with error code %0lx."), dwErr);
}
//else: it was just cancelled
return wxID_CANCEL;
}
}
void wxNotebook::OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc(this);
wxMemoryDC memdc;
RECT rc;
::GetClientRect(GetHwnd(), &rc);
wxBitmap bmp(rc.right, rc.bottom);
memdc.SelectObject(bmp);
const wxLayoutDirection dir = dc.GetLayoutDirection();
memdc.SetLayoutDirection(dir);
const HDC hdc = GetHdcOf(memdc);
// The drawing logic of the native tab control is absolutely impenetrable
// but observation shows that in the current Windows versions (XP and 7),
// the tab control always erases its entire background in its window proc
// when the tabs are top-aligned but does not do it when the tabs are in
// any other position.
//
// This means that we can't rely on our background colour being used for
// the blank area in the tab row because this doesn't work in the default
// top-aligned case, hence the hack with ExtFloodFill() below. But it also
// means that we still do need to erase the DC to account for the other
// cases.
//
// Moreover, just in case some very old or very new (or even future,
// although it seems unlikely that this is ever going to change by now)
// version of Windows didn't do it like this, do both things in all cases
// instead of optimizing away the one of them which doesn't do anything for
// the effectively used tab orientation -- better safe than fast.
// Notice that we use our own background here, not the background used for
// the pages, because the tab row background must blend with the parent and
// so the background colour inherited from it (if any) must be used.
AutoHBRUSH hbr(wxColourToRGB(GetBackgroundColour()));
::FillRect(hdc, &rc, hbr);
MSWDefWindowProc(WM_PAINT, (WPARAM)hdc, 0);
// At least for the top-aligned tabs, our background colour was overwritten
// and so we now replace the default background with our colour. This is
// horribly inefficient, of course, but seems to be the only way to do it.
if ( UseBgCol() )
{
SelectInHDC selectBrush(hdc, hbr);
// Find the point which must contain the default background colour:
// this is a hack, of course, but using this point "close" to the
// corner seems to work fine in practice.
int x = 0,
y = 0;
switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
{
case wxBK_TOP:
x = rc.right - 2;
y = 2;
break;
case wxBK_BOTTOM:
x = rc.right - 2;
y = rc.bottom - 2;
break;
case wxBK_LEFT:
x = 2;
y = rc.bottom - 2;
break;
case wxBK_RIGHT:
x = 2;
y = rc.bottom - 2;
break;
}
::ExtFloodFill(hdc, x, y, ::GetSysColor(COLOR_BTNFACE), FLOODFILLSURFACE);
}
// For some reason in RTL mode, source offset has to be -1, otherwise the
// right border (physical) remains unpainted.
const wxCoord ofs = dir == wxLayout_RightToLeft ? -1 : 0;
dc.Blit(ofs, 0, rc.right, rc.bottom, &memdc, ofs, 0);
}
WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd)
{
HDC hdc = (HDC)pDC;
WXHBRUSH hbr = 0;
if ( !colBg.IsOk() )
{
wxWindow *win = wxFindWinFromHandle( hWnd );
if ( !win )
{
// If this HWND doesn't correspond to a wxWindow, it still might be
// one of its children for which we need to set the background
// brush, e.g. this is the case for the EDIT control that is part
// of wxComboBox. Check for this by asking the parent if it has it:
HWND parent = ::GetParent(hWnd);
if ( parent )
{
wxWindow *winParent = wxFindWinFromHandle( parent );
if( winParent && winParent->ContainsHWND( hWnd ) )
win = winParent;
}
}
if ( win )
hbr = win->MSWGetBgBrush(pDC);
// if the control doesn't have any bg colour, foreground colour will be
// ignored as the return value would be 0 -- so forcefully give it a
// non default background brush in this case
if ( !hbr && m_hasFgCol )
colBg = GetBackgroundColour();
}
// use the background colour override if a valid colour is given: this is
// used when the control is disabled to grey it out and also if colBg was
// set just above
if ( colBg.IsOk() )
{
wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg);
hbr = (WXHBRUSH)brush->GetResourceHandle();
}
// always set the foreground colour if we changed the background, whether
// m_hasFgCol is true or not: if it true, we must do it, of course, but
// even if it isn't, we must set the default foreground explicitly as by
// default just the simple black is used
if ( hbr )
{
::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
}
// finally also set the background colour for text drawing: without this,
// the text in an edit control is drawn using the default background even
// if we return a valid brush
if ( colBg.IsOk() || m_hasBgCol )
{
if ( !colBg.IsOk() )
colBg = GetBackgroundColour();
::SetBkColor(hdc, wxColourToRGB(colBg));
}
return hbr;
}
static
void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *wxdis)
{
LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
HDC hdc = lpDIS->hDC;
UINT state = lpDIS->itemState;
RECT rectBtn;
CopyRect(&rectBtn, &lpDIS->rcItem);
wxUxThemeHandle theme(button, L"BUTTON");
int iState;
if ( state & ODS_SELECTED )
{
iState = PBS_PRESSED;
}
else if ( button->HasCapture() || button->IsMouseInWindow() )
{
iState = PBS_HOT;
}
else if ( state & ODS_FOCUS )
{
iState = PBS_DEFAULTED;
}
else if ( state & ODS_DISABLED )
{
iState = PBS_DISABLED;
}
else
{
iState = PBS_NORMAL;
}
// draw parent background if needed
if ( wxUxThemeEngine::Get()->IsThemeBackgroundPartiallyTransparent(theme,
BP_PUSHBUTTON,
iState) )
{
wxUxThemeEngine::Get()->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);
}
// draw background
wxUxThemeEngine::Get()->DrawThemeBackground(theme, hdc, BP_PUSHBUTTON, iState,
&rectBtn, NULL);
// calculate content area margins
MARGINS margins;
wxUxThemeEngine::Get()->GetThemeMargins(theme, hdc, BP_PUSHBUTTON, iState,
TMT_CONTENTMARGINS, &rectBtn, &margins);
RECT rectClient;
::CopyRect(&rectClient, &rectBtn);
::InflateRect(&rectClient, -margins.cxLeftWidth, -margins.cyTopHeight);
// if focused and !nofocus rect
if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
{
DrawFocusRect(hdc, &rectClient);
}
if ( button->UseBgCol() )
{
COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
// don't overwrite the focus rect
::InflateRect(&rectClient, -1, -1);
FillRect(hdc, &rectClient, hbrushBackground);
::DeleteObject(hbrushBackground);
}
}
bool gcCheckBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)item;
if ( !IsOwnerDrawn() || dis->CtlType != ODT_BUTTON )
return wxCheckBoxBase::MSWOnDraw(item);
// calculate the rectangles for the check mark itself and the label
HDC hdc = dis->hDC;
RECT& rect = dis->rcItem;
RECT rectCheck,
rectLabel;
rectCheck.top =
rectLabel.top = rect.top;
rectCheck.bottom =
rectLabel.bottom = rect.bottom;
const int checkSize = GetBestSize().y;
const int MARGIN = 3;
const bool isRightAligned = HasFlag(wxALIGN_RIGHT);
if ( isRightAligned )
{
rectCheck.right = rect.right;
rectCheck.left = rectCheck.right - checkSize;
rectLabel.right = rectCheck.left - MARGIN;
rectLabel.left = rect.left;
}
else // normal, left-aligned checkbox
{
rectCheck.left = rect.left;
rectCheck.right = rectCheck.left + checkSize;
rectLabel.left = rectCheck.right + MARGIN;
rectLabel.right = rect.right;
}
// show we draw a focus rect?
const bool isFocused = IsChecked() || FindFocus() == this;
// draw the checkbox itself
wxDCTemp dc(hdc);
int flags = 0;
if ( !IsEnabled() )
flags |= wxCONTROL_DISABLED;
switch ( Get3StateValue() )
{
case wxCHK_CHECKED:
flags |= wxCONTROL_CHECKED;
break;
case wxCHK_UNDETERMINED:
flags |= wxCONTROL_PRESSED;
break;
default:
wxFAIL_MSG( _T("unexpected Get3StateValue() return value") );
// fall through
case wxCHK_UNCHECKED:
// no extra styles needed
break;
}
if ( wxFindWindowAtPoint(wxGetMousePosition()) == this )
flags |= wxCONTROL_CURRENT;
wxRendererNative::Get().
DrawCheckBox(this, dc, wxRectFromRECT(rectCheck), flags);
// draw the text
const wxString& label = GetLabel();
// first we need to measure it
UINT fmt = DT_NOCLIP;
// drawing underlying doesn't look well with focus rect (and the native
// control doesn't do it)
if ( isFocused )
fmt |= DT_HIDEPREFIX;
if ( isRightAligned )
fmt |= DT_RIGHT;
// TODO: also use DT_HIDEPREFIX if the system is configured so
// we need to get the label real size first if we have to draw a focus rect
// around it
if ( isFocused )
{
if ( !::DrawText(hdc, label.wx_str(), label.length(), &rectLabel,
fmt | DT_CALCRECT) )
{
wxLogLastError(_T("DrawText(DT_CALCRECT)"));
}
}
if ( !IsEnabled() )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT));
}
if ( !::DrawText(hdc, label.wx_str(), label.length(), &rectLabel, fmt) )
{
wxLogLastError(_T("DrawText()"));
}
//// finally draw the focus
if ( isFocused )
{
COLORREF colBg = wxColourToRGB(wxColor(GetGCThemeManager()->getColor("checkbox", "focus-fg")));
HBRUSH hbrush = ::CreateSolidBrush(colBg);
rectLabel.left--;
rectLabel.right++;
::FrameRect(hdc, &rectLabel, hbrush);
::DeleteObject(hbrush);
}
return true;
}
