func (b *Button) HandleEvent(event interface{}) bool {
switch event.(type) {
case sdl.MouseMotionEvent:
m := event.(sdl.MouseMotionEvent)
if ui.Overlaps(int16(m.X), int16(m.Y), b.X, b.Y, b.W, b.H) {
b.hovered = true
return true
} else {
b.hovered = false
}
case sdl.MouseButtonEvent:
m := event.(sdl.MouseButtonEvent)
overlap := ui.Overlaps(int16(m.X), int16(m.Y), b.X, b.Y, b.W, b.H)
if ui.IsMouseDown(m, 1) && overlap && b.OnClick != nil {
b.OnClick()
return true
}
}
return false
}
func (m *MainMenu) Draw(screen *sdl.Surface, top bool) {
w := uint16(m.titleText.W)
h := uint16(m.titleText.H)
screen.Blit(
&sdl.Rect{
X: int16(screen.W - m.titleText.W - 50),
Y: 15,
W: w,
H: h,
},
m.titleText,
&sdl.Rect{X: 0, Y: 0, W: w, H: h},
)
m.menuItemSelected = ""
y := int16(screen.H - menuItemYOffset)
for _, label := range m.itemLabels {
item := m.menuItems[label]
mx := int16(m.mouseX)
my := int16(m.mouseY)
w = uint16(item.W)
h = uint16(item.H)
y -= int16(item.H)
if ui.Overlaps(mx, my, menuItemXOffset, y, w, h) {
if top {
item = m.hoverItems[label]
}
m.menuItemSelected = label
}
screen.Blit(
&sdl.Rect{
X: menuItemXOffset,
Y: int16(y),
W: w,
H: h,
},
item,
&sdl.Rect{X: 0, Y: 0, W: w, H: h},
)
}
}