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Add SliderFloat

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Henrik Rydgard committed 2013-07-20 13:54:09 +02:00
1 parent b059027359
commit d70ac3bba5
4 files changed
+76 -1
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ui/view.cpp
+44
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@@ -463,6 +463,50 @@ void Slider::GetContentDimensions(const UIContext &dc, float &w, float &h) const
h = 50;
}
void SliderFloat::Key(const KeyInput &input) {
if (HasFocus() && input.flags & KEY_DOWN) {
switch (input.keyCode) {
case KEYCODE_DPAD_LEFT:
case KEYCODE_MINUS:
case KEYCODE_NUMPAD_SUBTRACT:
*value_ -= 1;
break;
case KEYCODE_DPAD_RIGHT:
case KEYCODE_PLUS:
case KEYCODE_NUMPAD_ADD:
*value_ -= 1;
break;
}
Clamp();
}
}
void SliderFloat::Touch(const TouchInput &input) {
if (dragging_ || bounds_.Contains(input.x, input.y)) {
float relativeX = (input.x - bounds_.x) / bounds_.w;
*value_ = floorf(relativeX * (maxValue_ - minValue_) + minValue_ + 0.5f);
Clamp();
}
}
void SliderFloat::Clamp() {
if (*value_ < minValue_) *value_ = minValue_;
else if (*value_ > maxValue_) *value_ = maxValue_;
}
void SliderFloat::Draw(UIContext &dc) {
float knobX = ((float)(*value_) - minValue_) / (maxValue_ - minValue_) * bounds_.w + bounds_.x;
dc.FillRect(Drawable(0xFFFFFFFF), Bounds(bounds_.x, bounds_.centerY() - 2, knobX - bounds_.x, 4));
dc.FillRect(Drawable(0xFF808080), Bounds(knobX, bounds_.centerY() - 2, bounds_.x + bounds_.w - knobX, 4));
dc.Draw()->DrawImage(dc.theme->sliderKnob, knobX, bounds_.centerY(), 1.0f, 0xFFFFFFFF, ALIGN_CENTER);
}
void SliderFloat::GetContentDimensions(const UIContext &dc, float &w, float &h) const {
// TODO
w = 100;
h = 50;
}
/*
TabStrip::TabStrip()