public static nk_style_item nk_style_item_color(nk_color col)
{
nk_style_item i = new nk_style_item();
i.type = (int)(NK_STYLE_ITEM_COLOR);
i.data.color = (nk_color)(col);
return((nk_style_item)(i));
}
public static nk_style_item nk_style_item_image(nk_image img)
{
nk_style_item i = new nk_style_item();
i.type = (int)(NK_STYLE_ITEM_IMAGE);
i.data.image = (nk_image)(img);
return((nk_style_item)(i));
}
public static nk_style_item nk_style_item_hide()
{
nk_style_item i = new nk_style_item();
i.type = (int)(NK_STYLE_ITEM_COLOR);
i.Color = (Color)(new Color((int)(0), (int)(0), (int)(0), (int)(0)));
return((nk_style_item)(i));
}
public static bool nk_panel_begin(this NuklearContext ctx, string title, int panel_type)
{
nk_input _in_;
nk_window win;
nk_panel layout;
CommandBuffer _out_;
nk_style style;
nk_font font;
var scrollbar_size = new Vector2();
var panel_padding = new Vector2();
if (ctx == null || ctx.current == null || ctx.current.Layout == null)
{
return(false);
}
if ((ctx.current.Flags & NK_WINDOW_HIDDEN) != 0 || (ctx.current.Flags & NK_WINDOW_CLOSED) != 0)
{
ctx.current.Layout.Type = panel_type;
return(false);
}
style = ctx.style;
font = style.font;
win = ctx.current;
layout = win.Layout;
_out_ = win.Buffer;
_in_ = (win.Flags & NK_WINDOW_NO_INPUT) != 0 ? null : ctx.input;
scrollbar_size = style.window.scrollbar_size;
panel_padding = nk_panel_get_padding(style, panel_type);
if ((win.Flags & NK_WINDOW_MOVABLE) != 0 && (win.Flags & NK_WINDOW_ROM) == 0)
{
bool left_mouse_down;
bool left_mouse_click_in_cursor;
var header = new RectangleF();
header.X = win.Bounds.X;
header.Y = win.Bounds.Y;
header.Width = win.Bounds.Width;
if (nk_panel_has_header(win.Flags, title) != 0)
{
header.Height = font.Size + 2.0f * style.window.header.padding.Y;
header.Height += 2.0f * style.window.header.label_padding.Y;
}
else
{
header.Height = panel_padding.Y;
}
left_mouse_down = _in_.mouse.buttons[NK_BUTTON_LEFT].down;
left_mouse_click_in_cursor =
nk_input_has_mouse_click_down_in_rect(_in_, NK_BUTTON_LEFT, header, true);
if (left_mouse_down && left_mouse_click_in_cursor)
{
win.Bounds.X = win.Bounds.X + _in_.mouse.delta.X;
win.Bounds.Y = win.Bounds.Y + _in_.mouse.delta.Y;
_in_.mouse.buttons[NK_BUTTON_LEFT].clicked_pos.X +=
_in_.mouse.delta.X;
_in_.mouse.buttons[NK_BUTTON_LEFT].clicked_pos.Y +=
_in_.mouse.delta.Y;
ctx.style.cursor_active = ctx.style.cursors[NK_CURSOR_MOVE];
}
}
layout.Type = panel_type;
layout.Flags = win.Flags;
layout.Bounds = win.Bounds;
layout.Bounds.X += panel_padding.X;
layout.Bounds.Width -= 2 * panel_padding.X;
if ((win.Flags & NK_WINDOW_BORDER) != 0)
{
layout.Border = nk_panel_get_border(style, win.Flags, panel_type);
layout.Bounds = RectangleF.nk_shrink_rect_(layout.Bounds, layout.Border);
}
else
{
layout.Border = 0;
}
layout.At_y = layout.Bounds.Y;
layout.At_x = layout.Bounds.X;
layout.Max_x = 0;
layout.Header_height = 0;
layout.Footer_height = 0;
ctx.LayoutResetMinRowHeight();
layout.Row.index = 0;
layout.Row.columns = 0;
layout.Row.ratio = null;
layout.Row.item_width = 0;
layout.Row.tree_depth = 0;
layout.Row.height = panel_padding.Y;
layout.Has_scrolling = nk_true;
if ((win.Flags & NK_WINDOW_NO_SCROLLBAR) == 0)
{
layout.Bounds.Width -= scrollbar_size.X;
}
if (nk_panel_is_nonblock(panel_type) == 0)
{
layout.Footer_height = 0;
if ((win.Flags & NK_WINDOW_NO_SCROLLBAR) == 0 || (win.Flags & NK_WINDOW_SCALABLE) != 0)
{
layout.Footer_height = scrollbar_size.Y;
}
layout.Bounds.Height -= layout.Footer_height;
}
if (nk_panel_has_header(win.Flags, title) != 0)
{
var text = new nk_text();
var header = new RectangleF();
nk_style_item background = null;
header.X = win.Bounds.X;
header.Y = win.Bounds.Y;
header.Width = win.Bounds.Width;
header.Height = font.Size + 2.0f * style.window.header.padding.Y;
header.Height += 2.0f * style.window.header.label_padding.Y;
layout.Header_height = header.Height;
layout.Bounds.Y += header.Height;
layout.Bounds.Height -= header.Height;
layout.At_y += header.Height;
if (ctx.active == win)
{
background = style.window.header.active;
text.text = style.window.header.label_active;
}
else if (nk_input_is_mouse_hovering_rect(ctx.input, header))
{
background = style.window.header.hover;
text.text = style.window.header.label_hover;
}
else
{
background = style.window.header.normal;
text.text = style.window.header.label_normal;
}
header.Height += 1.0f;
if (background.type == NK_STYLE_ITEM_IMAGE)
{
text.Background = Color.Transparent;
win.Buffer.DrawImage(header, background.Image, nk_white);
}
else
{
text.Background = background.Color;
_out_.FillRect(header, 0, background.Color);
}
{
var button = new RectangleF();
button.Y = header.Y + style.window.header.padding.Y;
button.Height = header.Height - 2 * style.window.header.padding.Y;
button.Width = button.Height;
if ((win.Flags & NK_WINDOW_CLOSABLE) != 0)
{
var ws = (uint)0;
if (style.window.header.align == NK_HEADER_RIGHT)
{
button.X = header.Width + header.X -
(button.Width + style.window.header.padding.X);
header.Width -= button.Width + style.window.header.spacing.X +
style.window.header.padding.X;
}
else
{
button.X = header.X + style.window.header.padding.X;
header.X += button.Width + style.window.header.spacing.X +
style.window.header.padding.X;
}
if (
DoButtonSymbol(ref ws, win.Buffer, button,
style.window.header.close_symbol,
NK_BUTTON_DEFAULT, style.window.header.close_button, _in_, style.font) &&
(win.Flags & NK_WINDOW_ROM) == 0)
{
layout.Flags |= NK_WINDOW_HIDDEN;
layout.Flags &= ~(uint)NK_WINDOW_MINIMIZED;
}
}
if ((win.Flags & NK_WINDOW_MINIMIZABLE) != 0)
{
var ws = (uint)0;
if (style.window.header.align == NK_HEADER_RIGHT)
{
button.X = header.Width + header.X - button.Width;
if ((win.Flags & NK_WINDOW_CLOSABLE) == 0)
{
button.X -= style.window.header.padding.X;
header.Width -= style.window.header.padding.X;
}
header.Width -= button.Width + style.window.header.spacing.X;
}
else
{
button.X = header.X;
header.X += button.Width + style.window.header.spacing.X +
style.window.header.padding.X;
}
if (
DoButtonSymbol(ref ws, win.Buffer, button,
(layout.Flags & NK_WINDOW_MINIMIZED) != 0
? style.window.header.maximize_symbol
: style.window.header.minimize_symbol, NK_BUTTON_DEFAULT,
style.window.header.minimize_button, _in_,
style.font) && (win.Flags & NK_WINDOW_ROM) == 0)
{
layout.Flags =
(layout.Flags & NK_WINDOW_MINIMIZED) != 0
? layout.Flags & ~(uint)NK_WINDOW_MINIMIZED
: layout.Flags | NK_WINDOW_MINIMIZED;
}
}
}
{
var label = new RectangleF();
var t = font.width(title);
text.padding = new Vector2(0, 0);
label.X = header.X + style.window.header.padding.X;
label.X += style.window.header.label_padding.X;
label.Y = header.Y + style.window.header.label_padding.Y;
label.Height = font.Size + 2 * style.window.header.label_padding.Y;
label.Width = t + 2 * style.window.header.spacing.X;
label.Width =
(label.Width < header.X + header.Width - label.X
? label.Width
: header.X + header.Width - label.X) < 0
? 0
: label.Width < header.X + header.Width - label.X
? label.Width
: header.X + header.Width - label.X;
_out_.WidgetText(label, title, &text, nk_text_align.NK_TEXT_LEFT, font);
}
}
if ((layout.Flags & NK_WINDOW_MINIMIZED) == 0 && (layout.Flags & NK_WINDOW_DYNAMIC) == 0)
{
var body = new RectangleF();
body.X = win.Bounds.X;
body.Width = win.Bounds.Width;
body.Y = win.Bounds.Y + layout.Header_height;
body.Height = win.Bounds.Height - layout.Header_height;
if (style.window.fixed_background.type == NK_STYLE_ITEM_IMAGE)
{
_out_.DrawImage(body, style.window.fixed_background.Image, nk_white);
}
else
{
_out_.FillRect(body, 0,
style.window.fixed_background.Color);
}
}
{
var clip = new RectangleF();
layout.Clip = layout.Bounds;
RectangleF.nk_unify(ref clip, ref win.Buffer.Clip, layout.Clip.X, layout.Clip.Y,
layout.Clip.X + layout.Clip.Width, layout.Clip.Y + layout.Clip.Height);
_out_.Scissor(clip);
layout.Clip = clip;
}
return((layout.Flags & NK_WINDOW_HIDDEN) == 0 && (layout.Flags & NK_WINDOW_MINIMIZED) == 0);
}
public static int nk_style_push_style_item(nk_context *ctx, nk_style_item *sitem, nk_style_item sitem2) => _nk_style_push_style_item(ctx, sitem, sitem2);
