static void
MouseMotion(AG_Event *event)
{
AG_HSVPal *pal = AG_SELF();
int x = AG_INT(1);
int y = AG_INT(2);
switch (pal->state) {
case AG_HSVPAL_SEL_NONE:
break;
case AG_HSVPAL_SEL_H:
UpdateHue(pal,
x - pal->circle.x,
y - pal->circle.y);
break;
case AG_HSVPAL_SEL_SV:
UpdateSV(pal, x, y);
break;
case AG_HSVPAL_SEL_A:
UpdateAlpha(pal, x);
break;
default:
break;
}
}
void RingColorPicker::mousePressEvent(QMouseEvent *e)
{
this->grabMouse();
Vector2 pt((float)e->x(), (float)e->y());
Vector2 center(mRingSize / 2.0f, mRingSize / 2.0f);
float dist = center.DistanceTo(pt);
if (dist >= (mRingSize / 2.0f - mRingWidth) &&
dist <= mRingSize / 2.0f)
{
mDragRing = true;
}
else if (mRect.contains(e->pos()))
{
mDragRect = true;
}
if (mDragRing)
{
UpdateHue(e->pos());
}
else if (mDragRect)
{
UpdateSatValue(e->pos());
}
}
void RingColorPicker::mouseMoveEvent(QMouseEvent *e)
{
if (mDragRing)
{
UpdateHue(e->pos());
}
else if (mDragRect)
{
UpdateSatValue(e->pos());
}
}
static void
MouseButtonDown(AG_Event *event)
{
AG_HSVPal *pal = AG_SELF();
int btn = AG_INT(1);
int x = AG_INT(2);
int y = AG_INT(3);
float r;
if (!AG_WidgetIsFocused(pal))
AG_WidgetFocus(pal);
switch (btn) {
case AG_MOUSE_LEFT:
if (y > pal->rAlpha.y) {
UpdateAlpha(pal, x);
pal->state = AG_HSVPAL_SEL_A;
} else {
x -= pal->circle.x;
y -= pal->circle.y;
r = Hypot((float)x, (float)y);
if (r > (float)pal->circle.rin) {
UpdateHue(pal, x, y);
pal->state = AG_HSVPAL_SEL_H;
} else {
UpdateSV(pal, AG_INT(2), AG_INT(3));
pal->state = AG_HSVPAL_SEL_SV;
}
}
AG_Redraw(pal);
break;
case AG_MOUSE_MIDDLE:
case AG_MOUSE_RIGHT:
OpenMenu(pal, x,y);
break;
}
}
