void
PowerStatusView::Draw(BRect updateRect)
{
bool drawBackground = Parent() == NULL
|| (Parent()->Flags() & B_DRAW_ON_CHILDREN) == 0;
if (drawBackground)
FillRect(updateRect, B_SOLID_LOW);
float aspect = Bounds().Width() / Bounds().Height();
bool below = aspect <= 1.0f;
font_height fontHeight;
GetFontHeight(&fontHeight);
float baseLine = ceilf(fontHeight.ascent);
char text[64];
_SetLabel(text, sizeof(text));
float textHeight = ceilf(fontHeight.descent + fontHeight.ascent);
float textWidth = StringWidth(text);
bool showLabel = fShowLabel && text[0];
BRect iconRect;
if (fShowStatusIcon) {
iconRect = Bounds();
if (showLabel) {
if (below)
iconRect.bottom -= textHeight + 4;
else
iconRect.right -= textWidth + 4;
}
// make a square
iconRect.bottom = min_c(iconRect.bottom, iconRect.right);
iconRect.right = iconRect.bottom;
if (iconRect.Width() + 1 >= kMinIconWidth
&& iconRect.Height() + 1 >= kMinIconHeight) {
_DrawBattery(iconRect);
} else {
// there is not enough space for the icon
iconRect.Set(0, 0, -1, -1);
}
}
if (showLabel) {
BPoint point(0, baseLine);
if (iconRect.IsValid()) {
if (below) {
point.x = (iconRect.Width() - textWidth) / 2;
point.y += iconRect.Height() + 2;
} else {
point.x = iconRect.Width() + 2;
point.y += (iconRect.Height() - textHeight) / 2;
}
} else {
point.x = (Bounds().Width() - textWidth) / 2;
point.y += (Bounds().Height() - textHeight) / 2;
}
if (drawBackground)
SetHighColor(ui_color(B_CONTROL_TEXT_COLOR));
else {
SetDrawingMode(B_OP_OVER);
if (LowColor().Brightness() > 100)
SetHighColor(0, 0, 0);
else
SetHighColor(255, 255, 255);
}
DrawString(text, point);
}
}
void
PowerStatusView::Update(bool force)
{
int32 previousPercent = fPercent;
time_t previousTimeLeft = fTimeLeft;
bool wasOnline = fOnline;
bool hadBattery = fHasBattery;
_GetBatteryInfo(fBatteryID, &fBatteryInfo);
fHasBattery = fBatteryInfo.full_capacity > 0;
if (fBatteryInfo.full_capacity > 0 && fHasBattery) {
fPercent = (100 * fBatteryInfo.capacity) / fBatteryInfo.full_capacity;
fOnline = (fBatteryInfo.state & BATTERY_DISCHARGING) == 0;
fTimeLeft = fBatteryInfo.time_left;
} else {
fPercent = 0;
fOnline = false;
fTimeLeft = -1;
}
if (fHasBattery && (fPercent <= 0 || fPercent > 100)) {
// Just ignore this probe -- it obviously returned invalid values
fPercent = previousPercent;
fTimeLeft = previousTimeLeft;
fOnline = wasOnline;
fHasBattery = hadBattery;
return;
}
if (fInDeskbar) {
// make sure the tray icon is large enough
float width = fShowStatusIcon ? kMinIconWidth + 2 : 0;
if (fShowLabel) {
char text[64];
_SetLabel(text, sizeof(text));
if (text[0])
width += ceilf(StringWidth(text)) + 4;
} else {
char text[256];
const char* open = "";
const char* close = "";
if (fOnline) {
open = "(";
close = ")";
}
if (fHasBattery) {
size_t length = snprintf(text, sizeof(text), "%s%" B_PRId32
"%%%s", open, fPercent, close);
if (fTimeLeft >= 0) {
length += snprintf(text + length, sizeof(text) - length,
"\n%" B_PRId32 ":%02" B_PRId32, fTimeLeft / 3600,
(fTimeLeft / 60) % 60);
}
const char* state = NULL;
if ((fBatteryInfo.state & BATTERY_CHARGING) != 0)
state = B_TRANSLATE("charging");
else if ((fBatteryInfo.state & BATTERY_DISCHARGING) != 0)
state = B_TRANSLATE("discharging");
if (state != NULL) {
snprintf(text + length, sizeof(text) - length, "\n%s",
state);
}
} else
strcpy(text, B_TRANSLATE("no battery"));
SetToolTip(text);
}
if (width == 0) {
// make sure we're not going away completely
width = 8;
}
if (width != Bounds().Width())
ResizeTo(width, Bounds().Height());
}
if (force || wasOnline != fOnline
|| (fShowTime && fTimeLeft != previousTimeLeft)
|| (!fShowTime && fPercent != previousPercent)) {
Invalidate();
}
if (!fOnline && fHasBattery && previousPercent > kLowBatteryPercentage
&& fPercent <= kLowBatteryPercentage) {
_NotifyLowBattery();
}
}
void
PowerStatusView::Update(bool force)
{
int32 previousPercent = fPercent;
bool previousTimeLeft = fTimeLeft;
bool wasOnline = fOnline;
_GetBatteryInfo(&fBatteryInfo, fBatteryID);
fHasBattery = (fBatteryInfo.state & BATTERY_CRITICAL_STATE) == 0;
if (fBatteryInfo.full_capacity > 0 && fHasBattery) {
fPercent = (100 * fBatteryInfo.capacity) / fBatteryInfo.full_capacity;
fOnline = (fBatteryInfo.state & BATTERY_CHARGING) != 0;
fTimeLeft = fBatteryInfo.time_left;
} else {
fPercent = 0;
fOnline = false;
fTimeLeft = false;
}
if (fInDeskbar) {
// make sure the tray icon is large enough
float width = fShowStatusIcon ? kMinIconWidth + 2 : 0;
if (fShowLabel) {
char text[64];
_SetLabel(text, sizeof(text));
if (text[0])
width += ceilf(StringWidth(text)) + 4;
} else {
char text[256];
const char* open = "";
const char* close = "";
if (fOnline) {
open = "(";
close = ")";
}
if (fHasBattery) {
size_t length = snprintf(text, sizeof(text), "%s%ld%%%s",
open, fPercent, close);
if (fTimeLeft) {
length += snprintf(text + length, sizeof(text) - length,
"\n%ld:%02ld", fTimeLeft / 3600, (fTimeLeft / 60) % 60);
}
const char* state = NULL;
if ((fBatteryInfo.state & BATTERY_CHARGING) != 0)
state = B_TRANSLATE("charging");
else if ((fBatteryInfo.state & BATTERY_DISCHARGING) != 0)
state = B_TRANSLATE("discharging");
if (state != NULL) {
snprintf(text + length, sizeof(text) - length, "\n%s",
state);
}
} else
strcpy(text, B_TRANSLATE("no battery"));
SetToolTip(text);
}
if (width == 0) {
// make sure we're not going away completely
width = 8;
}
if (width != Bounds().Width())
ResizeTo(width, Bounds().Height());
}
if (force || wasOnline != fOnline
|| (fShowTime && fTimeLeft != previousTimeLeft)
|| (!fShowTime && fPercent != previousPercent))
Invalidate();
}