float
TruncStringBase(BString* outString, const char* inString, int32 length,
const View* view, float width, uint32 truncMode = B_TRUNCATE_MIDDLE)
{
// we are using a template version of this call to make sure
// the right StringWidth gets picked up for BView x BPoseView
// for max speed and flexibility
// a standard ellipsis inserting fitting algorithm
if (view->StringWidth(inString, length) <= width)
*outString = inString;
else {
const char* source[1];
char* results[1];
source[0] = inString;
results[0] = outString->LockBuffer(length + 3);
BFont font;
view->GetFont(&font);
font.GetTruncatedStrings(source, 1, truncMode, width, results);
outString->UnlockBuffer();
}
return view->StringWidth(outString->String(), outString->Length());
}
void TToolTipView::Draw(BRect /* where */)
{
char *src_strings[1];
char *tmp_string;
char *truncated_strings[1];
BFont font;
BRect r = Bounds();
font_height finfo;
// draw border around window
#ifdef kDRAW_WINDOW_FRAME
SetHighColor(0, 0, 0, 255);
StrokeRect(r);
r.InsetBy(1, 1);
#endif
SetHighColor(kLIGHT_VIEW_COLOR);
StrokeLine(BPoint(r.left, r.bottom), BPoint(r.left, r.top));
StrokeLine(BPoint(r.left + 1, r.top), BPoint(r.right - 1, r.top));
SetHighColor(kDARK_VIEW_COLOR);
StrokeLine(BPoint(r.right, r.top), BPoint(r.right, r.bottom));
StrokeLine(BPoint(r.right - 1, r.bottom), BPoint(r.left + 1, r.bottom));
// set pen position
GetFont(&font);
font.GetHeight(&finfo);
MovePenTo(kHOR_MARGIN + 1, kVER_MARGIN + finfo.ascent);
// truncate string if needed
src_strings[0] = fString;
tmp_string = (char *)malloc(strlen(fString) + 16);
truncated_strings[0] = tmp_string;
font.GetTruncatedStrings((const char **)src_strings, 1, B_TRUNCATE_END,
Bounds().Width() - (2 * kHOR_MARGIN) + 1, truncated_strings);
// draw string
SetLowColor(kVIEW_COLOR);
SetHighColor(kTEXT_COLOR);
DrawString(tmp_string);
free(tmp_string);
}
//: 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();
}
