void
BIconButton::MouseDown(BPoint where)
{
if (!IsValid())
return;
if (IsEnabled()) {
if (Bounds().Contains(where)) {
SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
_SetFlags(STATE_PRESSED, true);
_SetTracking(true);
} else {
_SetFlags(STATE_PRESSED, false);
_SetTracking(false);
}
}
}
void
BIconButton::MouseUp(BPoint where)
{
if (!IsValid())
return;
if (IsEnabled() && _HasFlags(STATE_PRESSED)
&& Bounds().Contains(where)) {
Invoke();
} else if (Bounds().Contains(where))
SetInside(true);
_SetFlags(STATE_PRESSED, false);
_SetTracking(false);
}
/*! \brief Sets the decorator's window flags
While this call will not update the screen, it will affect how future
updates work and immediately affects input handling.
\param flags New value for the flags
*/
void
Decorator::SetFlags(uint32 flags, BRegion* updateRegion)
{
// we're nice to our subclasses - we make sure B_NOT_{H|V|}_RESIZABLE
// are in sync (it's only a semantical simplification, not a necessity)
if ((flags & (B_NOT_H_RESIZABLE | B_NOT_V_RESIZABLE))
== (B_NOT_H_RESIZABLE | B_NOT_V_RESIZABLE))
flags |= B_NOT_RESIZABLE;
if (flags & B_NOT_RESIZABLE)
flags |= B_NOT_H_RESIZABLE | B_NOT_V_RESIZABLE;
_SetFlags(flags, updateRegion);
_InvalidateFootprint();
// the border might have changed (smaller/larger tab)
}
void
BIconButton::MouseMoved(BPoint where, uint32 transit, const BMessage* message)
{
if (!IsValid())
return;
uint32 buttons = 0;
Window()->CurrentMessage()->FindInt32("buttons", (int32*)&buttons);
// catch a mouse up event that we might have missed
if (!buttons && _HasFlags(STATE_PRESSED)) {
MouseUp(where);
return;
}
if (buttons != 0 && !IsTracking())
return;
SetInside((transit == B_INSIDE_VIEW || transit == B_ENTERED_VIEW)
&& IsEnabled());
if (IsTracking())
_SetFlags(STATE_PRESSED, Bounds().Contains(where));
}
void
BIconButton::SetInside(bool inside)
{
_SetFlags(STATE_INSIDE, inside);
}
void
BIconButton::SetValue(int32 value)
{
BControl::SetValue(value);
_SetFlags(STATE_PRESSED, value != 0);
}
void
BIconButton::SetPressed(bool pressed)
{
_SetFlags(STATE_FORCE_PRESSED, pressed);
}
