status_t
ScreenSaver::StartSaver(BView *view, bool preview)
{
// save view dimensions and preview mode
fIsPreview = preview;
fSizeX = view->Bounds().Width();
fSizeY = view->Bounds().Height();
// set a new font, about 1/8th of view height, and bold
BFont font;
view->GetFont(&font);
font.SetSize(fSizeY / 8);
font.SetFace(B_BOLD_FACE);
view->SetFont(&font);
// find out space needed for text display
BRect rect;
escapement_delta delta;
delta.nonspace = 0;
delta.space = 0;
font.GetBoundingBoxesForStrings(&fText, 1, B_SCREEN_METRIC, &delta, &rect);
fTextHeight = rect.Height();
fTextWith = rect.Width();
// seed the random number generator
srand((int)system_time());
return B_OK;
}
status_t
Shelf::StartSaver(BView *view, bool preview)
{
PRINT(("%p:%s(, %d)\n", this, __FUNCTION__, preview));
if (!preview) {
view->SetViewColor(216, 216, 216, 0);
fShelfData.Seek(SEEK_SET, 0LL);
fShelf = new BShelf(&fShelfData, view);
}
BString s;
s << "preview: " << preview << " ";
s << "BView:Name: " << view->Name() << " ";
s << "BApp:Name: " << be_app->Name();
PRINT(("%p:%s:%s\n", this, __FUNCTION__, s.String()));
//BAlert *a = new BAlert("debug", s.String(), "Ok");
//a->Go();
return B_ERROR;
#if 0
float width = view->Bounds().Width();
float height = view->Bounds().Height();
BFont font;
view->GetFont(&font);
font.SetSize(height / 2.5);
view->SetFont(&font);
BRect rect;
escapement_delta delta;
delta.nonspace = 0;
delta.space = 0;
// If anyone has suggestions for how to clean this up, speak up
font.GetBoundingBoxesForStrings(&fLine1, 1, B_SCREEN_METRIC, &delta, &rect);
float y = ((height - (rect.Height() * 2 + height / 10)) / 2) + rect.Height();
fLine1Start.Set((width - rect.Width()) / 2, y);
font.GetBoundingBoxesForStrings(&fLine2, 1, B_SCREEN_METRIC, &delta, &rect);
fLine2Start.Set((width - rect.Width()) / 2, y + rect.Height() + height / 10);
#endif
return B_OK;
}
BRect URLView::GetTextRect() {
// This function will return a BRect that contains only the text
// and the underline, so the mouse can change and the link will
// be activated only when the mouse is over the text itself, not
// just within the view.
// Note: We'll use bounding boxes, because they are the most
// accurate, and since the user is interacting with the
// view, off-by-one-pixel errors look bad.
const char *textArray[1];
textArray[0] = Text();
escapement_delta delta;
delta.nonspace = 0;
delta.space = 0;
escapement_delta escapements[1];
escapements[0] = delta;
BRect returnMe;
BRect rectArray[1];
rectArray[0] = returnMe;
BFont font;
GetFont( &font );
font.GetBoundingBoxesForStrings( textArray, 1, B_SCREEN_METRIC, escapements, rectArray );
BRect frame = Frame();
frame.OffsetTo( B_ORIGIN );
returnMe = rectArray[0];
// Get the height of the current font.
font_height height;
GetFontHeight( &height );
float descent = height.descent;
// Account for rounding of the floats when drawn to avoid
// one-pixel-off errors.
float lowerBound = 0;
if( (((int) descent) * 2) != ((int) (descent * 2)) )
lowerBound = 1;
// Adjust the bounding box to reflect where the text is in the view.
returnMe.bottom += 1;
returnMe.OffsetTo( B_ORIGIN );
float rectHeight = returnMe.Height();
returnMe.bottom = frame.bottom - descent;
returnMe.top = returnMe.bottom - rectHeight;
returnMe.bottom += 1 + underlineThickness;
returnMe.OffsetBy( 0.0, -(1 + lowerBound) );
return returnMe;
}
void
TTimeView::CalculateTextPlacement()
{
BRect bounds(Bounds());
fDateLocation.x = 0.0;
fTimeLocation.x = 0.0;
BFont font;
GetFont(&font);
const char* stringArray[1];
stringArray[0] = fCurrentTimeStr;
BRect rectArray[1];
escapement_delta delta = { 0.0, 0.0 };
font.GetBoundingBoxesForStrings(stringArray, 1, B_SCREEN_METRIC, &delta,
rectArray);
fTimeLocation.y = fDateLocation.y = ceilf((bounds.Height()
- rectArray[0].Height() + 1.0) / 2.0 - rectArray[0].top);
}
