void
BButton::Draw(BRect updateRect)
{
BRect rect(Bounds());
rgb_color background = LowColor();
rgb_color base = background;
uint32 flags = be_control_look->Flags(this);
if (_Flag(FLAG_DEFAULT))
flags |= BControlLook::B_DEFAULT_BUTTON;
if (_Flag(FLAG_FLAT) && !IsTracking())
flags |= BControlLook::B_FLAT;
if (_Flag(FLAG_INSIDE))
flags |= BControlLook::B_HOVER;
be_control_look->DrawButtonFrame(this, rect, updateRect,
base, background, flags);
if (fBehavior == B_POP_UP_BEHAVIOR) {
be_control_look->DrawButtonWithPopUpBackground(this, rect, updateRect,
base, flags);
} else {
be_control_look->DrawButtonBackground(this, rect, updateRect,
base, flags);
}
// always leave some room around the label
rect.InsetBy(kLabelMargin, kLabelMargin);
const BBitmap* icon = IconBitmap(
(Value() == B_CONTROL_OFF
? B_INACTIVE_ICON_BITMAP : B_ACTIVE_ICON_BITMAP)
| (IsEnabled() ? 0 : B_DISABLED_ICON_BITMAP));
be_control_look->DrawLabel(this, Label(), icon, rect, updateRect,
base, flags, BAlignment(B_ALIGN_CENTER, B_ALIGN_MIDDLE));
}
void
BButton::MouseDown(BPoint point)
{
if (!IsEnabled())
return;
if (fBehavior == B_POP_UP_BEHAVIOR && _PopUpRect().Contains(point)) {
InvokeNotify(fPopUpMessage, B_CONTROL_MODIFIED);
return;
}
bool toggleBehavior = fBehavior == B_TOGGLE_BEHAVIOR;
if (toggleBehavior) {
bool wasPressed = Value() == B_CONTROL_ON;
_SetFlag(FLAG_WAS_PRESSED, wasPressed);
SetValue(wasPressed ? B_CONTROL_OFF : B_CONTROL_ON);
Invalidate();
} else
SetValue(B_CONTROL_ON);
if (Window()->Flags() & B_ASYNCHRONOUS_CONTROLS) {
SetTracking(true);
SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
} else {
BRect bounds = Bounds();
uint32 buttons;
bool inside = false;
do {
Window()->UpdateIfNeeded();
snooze(40000);
GetMouse(&point, &buttons, true);
inside = bounds.Contains(point);
if (toggleBehavior) {
bool pressed = inside ^ _Flag(FLAG_WAS_PRESSED);
SetValue(pressed ? B_CONTROL_ON : B_CONTROL_OFF);
} else {
if ((Value() == B_CONTROL_ON) != inside)
SetValue(inside ? B_CONTROL_ON : B_CONTROL_OFF);
}
} while (buttons != 0);
if (inside) {
if (toggleBehavior) {
SetValue(
_Flag(FLAG_WAS_PRESSED) ? B_CONTROL_OFF : B_CONTROL_ON);
}
Invoke();
} else if (_Flag(FLAG_FLAT))
Invalidate();
}
}
void
BButton::MouseUp(BPoint where)
{
if (!IsTracking())
return;
if (Bounds().Contains(where)) {
if (fBehavior == B_TOGGLE_BEHAVIOR)
SetValue(_Flag(FLAG_WAS_PRESSED) ? B_CONTROL_OFF : B_CONTROL_ON);
Invoke();
} else if (_Flag(FLAG_FLAT))
Invalidate();
SetTracking(false);
}
void
BButton::MouseMoved(BPoint where, uint32 code, const BMessage* dragMessage)
{
bool inside = Bounds().Contains(where);
if (_SetFlag(FLAG_INSIDE, inside))
Invalidate();
if (!IsTracking())
return;
if (fBehavior == B_TOGGLE_BEHAVIOR) {
bool pressed = inside ^ _Flag(FLAG_WAS_PRESSED);
SetValue(pressed ? B_CONTROL_ON : B_CONTROL_OFF);
} else {
if ((Value() == B_CONTROL_ON) != inside)
SetValue(inside ? B_CONTROL_ON : B_CONTROL_OFF);
}
}
void
BButton::MakeDefault(bool flag)
{
BButton* oldDefault = NULL;
BWindow* window = Window();
if (window != NULL)
oldDefault = window->DefaultButton();
if (flag) {
if (_Flag(FLAG_DEFAULT) && oldDefault == this)
return;
if (_SetFlag(FLAG_DEFAULT, true)) {
if ((Flags() & B_SUPPORTS_LAYOUT) != 0)
InvalidateLayout();
else {
ResizeBy(6.0f, 6.0f);
MoveBy(-3.0f, -3.0f);
}
}
if (window && oldDefault != this)
window->SetDefaultButton(this);
} else {
if (!_SetFlag(FLAG_DEFAULT, false))
return;
if ((Flags() & B_SUPPORTS_LAYOUT) != 0)
InvalidateLayout();
else {
ResizeBy(-6.0f, -6.0f);
MoveBy(3.0f, 3.0f);
}
if (window && oldDefault == this)
window->SetDefaultButton(NULL);
}
}
bool
BButton::IsFlat() const
{
return _Flag(FLAG_FLAT);
}
bool
BButton::IsDefault() const
{
return _Flag(FLAG_DEFAULT);
}