wxSize wxBannerWindow::DoGetBestClientSize() const
{
if ( m_bitmap.IsOk() )
{
return m_bitmap.GetSize();
}
else
{
wxClientDC dc(const_cast<wxBannerWindow *>(this));
const wxSize sizeText = dc.GetMultiLineTextExtent(m_message);
dc.SetFont(GetTitleFont());
const wxSize sizeTitle = dc.GetTextExtent(m_title);
wxSize sizeWin(wxMax(sizeTitle.x, sizeText.x), sizeTitle.y + sizeText.y);
// If we draw the text vertically width and height are swapped.
if ( m_direction == wxLEFT || m_direction == wxRIGHT )
wxSwap(sizeWin.x, sizeWin.y);
sizeWin += 2*wxSize(MARGIN_X, MARGIN_Y);
return sizeWin;
}
}
//: Returns width and postion of the title.
//!param: width - In this parameter the available space
//!param: for the title is returned.
//!param: pos - In this parameter the position for the
//!param: title is returned.
void CMDITitleView::GetTitleWidthAndPos(float &width, BPoint &pos)
{
BFont titleFont;
GetTitleFont(&titleFont);
font_height titleFontHeight;
titleFont.GetHeight(&titleFontHeight);
width = Bounds().Width() - distFromMaximizeBox - distFromCloseBox;
if(DisplayCloseButton()) {
pos.x = CloseButtonRect().right + distFromCloseBox;
width -= CloseButtonRect().right;
} else {
pos.x = distFromCloseBox;
}
if(DisplayMaximizeButton()) {
width -= MaximizeButtonRect().Width() - distFromRightBorder;
}
pos.y = titleFontHeight.ascent + 3;
}
void wxBannerWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
{
if ( m_bitmap.IsOk() && m_title.empty() && m_message.empty() )
{
// No need for buffering in this case.
wxPaintDC dc(this);
DrawBitmapBackground(dc);
}
else // We need to compose our contents ourselves.
{
wxAutoBufferedPaintDC dc(this);
// Deal with the background first.
if ( m_bitmap.IsOk() )
{
DrawBitmapBackground(dc);
}
else // Draw gradient background.
{
wxDirection gradientDir;
if ( m_direction == wxLEFT )
{
gradientDir = wxTOP;
}
else if ( m_direction == wxRIGHT )
{
gradientDir = wxBOTTOM;
}
else // For both wxTOP and wxBOTTOM.
{
gradientDir = wxRIGHT;
}
dc.GradientFillLinear(GetClientRect(), m_colStart, m_colEnd,
gradientDir);
}
// Now draw the text on top of it.
dc.SetFont(GetTitleFont());
wxPoint pos(MARGIN_X, MARGIN_Y);
DrawBannerTextLine(dc, m_title, pos);
pos.y += dc.GetTextExtent(m_title).y;
dc.SetFont(GetFont());
wxArrayString lines = wxSplit(m_message, '\n', '\0');
const unsigned numLines = lines.size();
for ( unsigned n = 0; n < numLines; n++ )
{
const wxString& line = lines[n];
DrawBannerTextLine(dc, line, pos);
pos.y += dc.GetTextExtent(line).y;
}
}
}
void wxPaneBase::CalcHeaderSize() {
// header size calculation
wxFont font = GetTitleFont();
int cyFont = font.GetPointSize() + (HEADER_BORDER*2);
int cyBtn = m_toolButtonSize.y + (HEADER_BORDER*2);
// which is largest, text height or button height?
m_headerSize = max( cyFont, cyBtn );
}
void wxPaneBase::OnPaint( wxPaintEvent& WXUNUSED(event) ) {
wxPaintDC dc(this);
int headerSize = GetHeaderSize();
// draw header
wxRect hr = GetClientRect();
if( m_orientation == wxVERTICAL ) {
hr.SetRight( hr.x + headerSize );
} else {
hr.SetBottom( hr.y + headerSize );
}
// create a clipping region to exclude the close button
if( m_pCloseButton && m_showClosebutton ) {
dc.DestroyClippingRegion();
wxRegion region( hr );
wxRect sr = m_pCloseButton->GetRect();
region.Subtract( sr );
dc.SetClippingRegion( region );
}
g_gdi.DrawHeader( dc, hr, m_orientation, GetName(), GetTitleFont() );
// draw contents
wxRect cr = GetClientRect();
if( m_orientation == wxVERTICAL ) {
cr.x += headerSize;
}
else {
cr.y += headerSize;
}
// create a clipping region to exclude the child window
dc.DestroyClippingRegion();
wxRegion region( cr );
if( m_pClient ) {
wxRect sr = m_pClient->GetRect();
region.Subtract( sr );
}
dc.SetClippingRegion( region );
g_gdi.DrawEmptyWorkspace( dc, cr, true );
}
//: Returns the preferred size of this view.
// The width and height depend on the depend on the width and height of
// the title. The method ensures thate the title tab never gets broader than
// its target.
void CMDITitleView::GetPreferredSize(float *width, float *height)
{
BFont titleFont;
font_height fh;
GetTitleFont(&titleFont);
titleFont.GetHeight(&fh);
*height = MAX(fh.ascent + fh.descent, CloseButtonRect().Height()) + distFromTopBorder + distFromBottomBorder;
float totalWidth;
totalWidth = titleFont.StringWidth(target->Title()) +
distFromCloseBox +
distFromMaximizeBox +
distFromRightBorder +
distFromLeftBorder +
CloseButtonRect().Width() +
MaximizeButtonRect().Width() +
1;
*width = MIN(totalWidth, target->Bounds().Width());
}
//: BeOS hook function
// Draws a BeOS style title tab. This method class the two attached
// decorations to draw the maximize and close buttons.
void CMDITitleView::Draw(BRect updateRect)
{
Window()->BeginViewTransaction();
// --- Calc colors
CColor background = BackgroundColor();
CColor highlight( MIN(background.red+80, 255),
MIN(background.green+80, 255),
MIN(background.blue+80, 255) );
CColor darkShadow( MAX(background.red-81, 0),
MAX(background.green-81, 0),
MAX(background.blue-81, 0) );
CColor textColor = Active() ? CColor::Black : CColor(80, 80, 80);
// --- Fill background
SetHighColor(background);
FillRect(updateRect);
// --- Draw borders
BRect bounds = Bounds();
float width = bounds.Width();
float height = bounds.Height();
SetHighColor(CColor::BeShadow);
MovePenTo(0, height);
StrokeLine(BPoint(0, 0));
StrokeLine(BPoint(width, 0));
SetHighColor(CColor::BeDarkShadow);
MovePenTo(width, 1);
StrokeLine(BPoint(width, height));
SetHighColor(highlight);
MovePenTo(1, height);
StrokeLine(BPoint(1, 1));
StrokeLine(BPoint(width-1, 1));
SetHighColor(darkShadow);
MovePenTo(width-1, 2);
StrokeLine(BPoint(width-1, height));
// --- Draw close button
if(DisplayCloseButton()) {
closeButton->SetPosition(CloseButtonRect().LeftTop());
closeButton->SetBackgroundColor(background);
closeButton->Draw();
}
// --- Draw maximize button
if(DisplayMaximizeButton()) {
maximizeButton->SetPosition(MaximizeButtonRect().LeftTop());
maximizeButton->SetBackgroundColor(background);
maximizeButton->Draw();
}
// --- Draw title
BFont titleFont;
GetTitleFont(&titleFont);
const char *title = target->Title();
char *truncatedTitle = new char [strlen(title)+3];
float titleWidth;
BPoint titlePos;
GetTitleWidthAndPos(titleWidth, titlePos);
titleFont.GetTruncatedStrings(&title, 1, B_TRUNCATE_END, titleWidth, &truncatedTitle);
SetHighColor(textColor);
SetLowColor(background);
SetFont(&titleFont);
DrawString(truncatedTitle, strlen(truncatedTitle), titlePos);
delete [] truncatedTitle;
Window()->EndViewTransaction();
}