public static bool nk_do_selectable(ref uint state, CommandBuffer _out_, RectangleF bounds, string str,
nk_text_align align, ref bool value, nk_style_selectable style, nk_input _in_, nk_font font)
{
bool old_value;
var touch = new RectangleF();
if (_out_ == null || str == null || style == null ||
font == null)
{
return(false);
}
old_value = value;
touch.X = bounds.X - style.touch_padding.X;
touch.Y = bounds.Y - style.touch_padding.Y;
touch.Width = bounds.Width + style.touch_padding.X * 2;
touch.Height = bounds.Height + style.touch_padding.Y * 2;
if (ButtonBehavior(ref state, touch, _in_, NK_BUTTON_DEFAULT))
{
value = !value;
}
if (style.draw_begin != null)
{
style.draw_begin(_out_);
}
_out_.DrawSelectable(state, style, value, &bounds, null, null, str, align,
font);
if (style.draw_end != null)
{
style.draw_end(_out_);
}
return(old_value != value);
}
public static void DrawSelectable(this CommandBuffer _out_, uint state, nk_style_selectable style, bool active,
RectangleF *bounds, RectangleF *icon, nk_image img, string _string_, nk_text_align align,
nk_font font)
{
nk_style_item background;
var text = new nk_text();
text.padding = style.padding;
if (!active)
{
if ((state & NK_WIDGET_STATE_ACTIVED) != 0)
{
background = style.pressed;
text.text = style.text_pressed;
}
else if ((state & NK_WIDGET_STATE_HOVER) != 0)
{
background = style.hover;
text.text = style.text_hover;
}
else
{
background = style.normal;
text.text = style.text_normal;
}
}
else
{
if ((state & NK_WIDGET_STATE_ACTIVED) != 0)
{
background = style.pressed_active;
text.text = style.text_pressed_active;
}
else if ((state & NK_WIDGET_STATE_HOVER) != 0)
{
background = style.hover_active;
text.text = style.text_hover_active;
}
else
{
background = style.normal_active;
text.text = style.text_normal_active;
}
}
if (background.type == NK_STYLE_ITEM_IMAGE)
{
_out_.DrawImage(*bounds, background.Image, nk_white);
text.Background = Color.Transparent;
}
else
{
_out_.FillRect(*bounds, style.Rounding, background.Color);
text.Background = background.Color;
}
if (img != null && icon != null)
{
_out_.DrawImage(*icon, img, nk_white);
}
_out_.WidgetText(*bounds, _string_, &text, align, font);
}
public static bool nk_do_selectable_image(ref uint state, CommandBuffer _out_, RectangleF bounds,
string str,
nk_text_align align, ref bool value, nk_image img, nk_style_selectable style, nk_input _in_,
nk_font font)
{
bool old_value;
var touch = new RectangleF();
var icon = new RectangleF();
if (_out_ == null || str == null || style == null ||
font == null)
{
return(false);
}
old_value = value;
touch.X = bounds.X - style.touch_padding.X;
touch.Y = bounds.Y - style.touch_padding.Y;
touch.Width = bounds.Width + style.touch_padding.X * 2;
touch.Height = bounds.Height + style.touch_padding.Y * 2;
if (ButtonBehavior(ref state, touch, _in_, NK_BUTTON_DEFAULT))
{
value = !value;
}
icon.Y = bounds.Y + style.padding.Y;
icon.Width = icon.Height = bounds.Height - 2 * style.padding.Y;
if ((align & nk_text_align.NK_TEXT_ALIGN_LEFT) != 0)
{
icon.X = bounds.X + bounds.Width - (2 * style.padding.X + icon.Width);
icon.X = icon.X < 0 ? 0 : icon.X;
}
else
{
icon.X = bounds.X + 2 * style.padding.X;
}
icon.X += style.image_padding.X;
icon.Y += style.image_padding.Y;
icon.Width -= 2 * style.image_padding.X;
icon.Height -= 2 * style.image_padding.Y;
if (style.draw_begin != null)
{
style.draw_begin(_out_);
}
_out_.DrawSelectable(state, style, value, &bounds, &icon, img, str, align,
font);
if (style.draw_end != null)
{
style.draw_end(_out_);
}
return(old_value != value);
}
