void
BStatusBar::SetTo(float value, const char* text, const char* trailingText)
{
SetText(text);
SetTrailingText(trailingText);
if (value > fMax)
value = fMax;
else if (value < 0)
value = 0;
if (value == fCurrent)
return;
BRect barFrame = _BarFrame();
float oldPosition = _BarPosition(barFrame);
fCurrent = value;
float newPosition = _BarPosition(barFrame);
if (oldPosition == newPosition)
return;
// update only the part of the status bar with actual changes
BRect update = barFrame;
if (oldPosition < newPosition) {
update.left = floorf(max_c(oldPosition - 1, update.left));
update.right = ceilf(newPosition);
} else {
update.left = floorf(max_c(newPosition - 1, update.left));
update.right = ceilf(oldPosition);
}
// TODO: Ask the BControlLook in the first place about dirty rect.
if (be_control_look != NULL)
update.InsetBy(-1, -1);
Invalidate(update);
}
void
BStatusBar::Draw(BRect updateRect)
{
rgb_color backgroundColor = LowColor();
font_height fontHeight;
GetFontHeight(&fontHeight);
BRect barFrame = _BarFrame(&fontHeight);
BRect outerFrame = barFrame.InsetByCopy(-2, -2);
BRegion background(updateRect);
background.Exclude(outerFrame);
FillRegion(&background, B_SOLID_LOW);
// Draw labels/texts
BRect rect = outerFrame;
rect.top = 0;
rect.bottom = outerFrame.top - 1;
if (updateRect.Intersects(rect)) {
// update labels
BString leftText;
leftText << fLabel << fText;
BString rightText;
rightText << fTrailingText << fTrailingLabel;
float baseLine = ceilf(fontHeight.ascent) + 1;
fTextDivider = rect.right;
BFont font;
GetFont(&font);
if (rightText.Length()) {
font.TruncateString(&rightText, B_TRUNCATE_BEGINNING,
rect.Width());
fTextDivider -= StringWidth(rightText.String());
}
if (leftText.Length()) {
float width = max_c(0.0, fTextDivider - rect.left);
font.TruncateString(&leftText, B_TRUNCATE_END, width);
}
rgb_color textColor = ui_color(B_PANEL_TEXT_COLOR);
if (backgroundColor != ui_color(B_PANEL_BACKGROUND_COLOR)) {
if (backgroundColor.Brightness() > 100)
textColor = make_color(0, 0, 0, 255);
else
textColor = make_color(255, 255, 255, 255);
}
SetHighColor(textColor);
if (leftText.Length())
DrawString(leftText.String(), BPoint(rect.left, baseLine));
if (rightText.Length())
DrawString(rightText.String(), BPoint(fTextDivider, baseLine));
}
// Draw bar
if (!updateRect.Intersects(outerFrame))
return;
rect = outerFrame;
if (be_control_look != NULL) {
be_control_look->DrawStatusBar(this, rect, updateRect,
backgroundColor, fBarColor, _BarPosition(barFrame));
return;
}
// First bevel
SetHighColor(tint_color(backgroundColor, B_DARKEN_1_TINT));
StrokeLine(rect.LeftBottom(), rect.LeftTop());
StrokeLine(rect.RightTop());
SetHighColor(tint_color(backgroundColor, B_LIGHTEN_2_TINT));
StrokeLine(BPoint(rect.left + 1, rect.bottom), rect.RightBottom());
StrokeLine(BPoint(rect.right, rect.top + 1));
rect.InsetBy(1, 1);
// Second bevel
SetHighColor(tint_color(backgroundColor, B_DARKEN_4_TINT));
StrokeLine(rect.LeftBottom(), rect.LeftTop());
StrokeLine(rect.RightTop());
SetHighColor(backgroundColor);
StrokeLine(BPoint(rect.left + 1, rect.bottom), rect.RightBottom());
StrokeLine(BPoint(rect.right, rect.top + 1));
rect = barFrame;
rect.right = _BarPosition(barFrame);
// draw bar itself
if (rect.right >= rect.left) {
// Bevel
SetHighColor(tint_color(fBarColor, B_LIGHTEN_2_TINT));
StrokeLine(rect.LeftBottom(), rect.LeftTop());
StrokeLine(rect.RightTop());
SetHighColor(tint_color(fBarColor, B_DARKEN_2_TINT));
StrokeLine(BPoint(rect.left + 1, rect.bottom), rect.RightBottom());
StrokeLine(BPoint(rect.right, rect.top + 1));
// filling
SetHighColor(fBarColor);
FillRect(rect.InsetByCopy(1, 1));
}
if (rect.right < barFrame.right) {
// empty space
rect.left = rect.right + 1;
rect.right = barFrame.right;
SetHighColor(tint_color(backgroundColor, B_LIGHTEN_MAX_TINT));
FillRect(rect);
}
}
void
BStatusBar::Draw(BRect updateRect)
{
rgb_color backgroundColor = LowColor();
font_height fontHeight;
GetFontHeight(&fontHeight);
BRect barFrame = _BarFrame(&fontHeight);
BRect outerFrame = barFrame.InsetByCopy(-2, -2);
BRegion background(updateRect);
background.Exclude(outerFrame);
FillRegion(&background, B_SOLID_LOW);
// Draw labels/texts
BRect rect = outerFrame;
rect.top = 0;
rect.bottom = outerFrame.top - 1;
if (updateRect.Intersects(rect)) {
// update labels
BString leftText;
leftText << fLabel << fText;
BString rightText;
rightText << fTrailingText << fTrailingLabel;
float baseLine = ceilf(fontHeight.ascent) + 1;
fTextDivider = rect.right;
BFont font;
GetFont(&font);
if (rightText.Length()) {
font.TruncateString(&rightText, B_TRUNCATE_BEGINNING,
rect.Width());
fTextDivider -= StringWidth(rightText.String());
}
if (leftText.Length()) {
float width = max_c(0.0, fTextDivider - rect.left);
font.TruncateString(&leftText, B_TRUNCATE_END, width);
}
rgb_color textColor = ui_color(B_PANEL_TEXT_COLOR);
if (backgroundColor != ui_color(B_PANEL_BACKGROUND_COLOR)) {
if (backgroundColor.Brightness() > 100)
textColor = make_color(0, 0, 0, 255);
else
textColor = make_color(255, 255, 255, 255);
}
SetHighColor(textColor);
if (leftText.Length())
DrawString(leftText.String(), BPoint(rect.left, baseLine));
if (rightText.Length())
DrawString(rightText.String(), BPoint(fTextDivider, baseLine));
}
// Draw bar
if (!updateRect.Intersects(outerFrame))
return;
rect = outerFrame;
be_control_look->DrawStatusBar(this, rect, updateRect,
backgroundColor, fBarColor, _BarPosition(barFrame));
}
