public static float nk_textedit_get_width(nk_text_edit edit, int line_start, int char_id, nk_font font)
{
StringSegment str = edit.Text.str;
str += line_start + char_id;
return((float)(font.width(str.CreateSingleCharSegment())));
}
public static void WidgetText(this CommandBuffer o, RectangleF b, StringSegment _string_, nk_text* t,
nk_text_align a, nk_font f)
{
var label = new RectangleF();
float text_width;
if (o == null || t == null)
return;
b.Height = b.Height < 2 * t->padding.Y ? 2 * t->padding.Y : b.Height;
label.X = 0;
label.Width = 0;
label.Y = b.Y + t->padding.Y;
label.Height = f.Size < b.Height - 2 * t->padding.Y ? f.Size : b.Height - 2 * t->padding.Y;
text_width = f.width(_string_);
text_width += 2.0f * t->padding.X;
if ((a & nk_text_align.NK_TEXT_ALIGN_LEFT) != 0)
{
label.X = b.X + t->padding.X;
label.Width = 0 < b.Width - 2 * t->padding.X ? b.Width - 2 * t->padding.X : 0;
}
else if ((a & nk_text_align.NK_TEXT_ALIGN_CENTERED) != 0)
{
label.Width = 1 < 2 * t->padding.X + text_width ? 2 * t->padding.X + text_width : 1;
label.X = b.X + t->padding.X + (b.Width - 2 * t->padding.X - label.Width) / 2;
label.X = b.X + t->padding.X < label.X ? label.X : b.X + t->padding.X;
label.Width = b.X + b.Width < label.X + label.Width ? b.X + b.Width : label.X + label.Width;
if (label.Width >= label.X)
label.Width -= label.X;
}
else if ((a & nk_text_align.NK_TEXT_ALIGN_RIGHT) != 0)
{
label.X =
b.X + t->padding.X < b.X + b.Width - (2 * t->padding.X + text_width)
? b.X + b.Width - (2 * t->padding.X + text_width)
: b.X + t->padding.X;
label.Width = text_width + 2 * t->padding.X;
}
else
{
return;
}
if ((a & nk_text_align.NK_TEXT_ALIGN_MIDDLE) != 0)
{
label.Y = b.Y + b.Height / 2.0f - f.Size / 2.0f;
label.Height =
b.Height / 2.0f < b.Height - (b.Height / 2.0f + f.Size / 2.0f)
? b.Height - (b.Height / 2.0f + f.Size / 2.0f)
: b.Height / 2.0f;
}
else if ((a & nk_text_align.NK_TEXT_ALIGN_BOTTOM) != 0)
{
label.Y = b.Y + b.Height - f.Size;
label.Height = f.Size;
}
o.DrawText(label, _string_, f, t->Background,
t->text);
}
public void DrawText(RectangleF r, StringSegment _string_, nk_font font, Color bg, Color fg)
{
var text_width = (float)0;
CommandText cmd;
if (_string_.IsNullOrEmpty || bg.A == 0 && fg.A == 0)
{
return;
}
if (UseClipping)
{
if (Clip.Width == 0 || Clip.Height == 0 ||
!!(Clip.X > r.X + r.Width || Clip.X + Clip.Width < r.X || Clip.Y > r.Y + r.Height ||
Clip.Y + Clip.Height < r.Y))
{
return;
}
}
text_width = font.width(_string_);
if (text_width > r.Width)
{
var glyphs = 0;
var txt_width = text_width;
var length = font.nk_text_clamp(_string_, r.Width, out glyphs, out txt_width, null, 0);
_string_.Length = length;
}
if (_string_.IsNullOrEmpty)
{
return;
}
cmd = (CommandText)Push(CommandType.Text);
if (cmd == null)
{
return;
}
cmd.X = (short)r.X;
cmd.Y = (short)r.Y;
cmd.Width = (ushort)r.Width;
cmd.Height = (ushort)r.Height;
cmd.Background = bg;
cmd.Foreground = fg;
cmd.Font = font;
cmd.FontHeight = font.Size;
cmd.Text = _string_;
}
public static void DoProperty(ref uint ws, CommandBuffer _out_, RectangleF property, string name,
nk_property_variant *variant, float inc_per_pixel, ref string buffer, ref int state, ref int cursor,
ref int select_begin, ref int select_end, nk_style_property style, int filter, nk_input _in_,
nk_font font,
nk_text_edit text_edit, int behavior)
{
var filters = new NkPluginFilter[2];
filters[0] = nk_filter_decimal;
filters[1] = nk_filter_float;
bool active;
int old;
float size;
string dst = null;
var left = new RectangleF();
var right = new RectangleF();
var label = new RectangleF();
var edit = new RectangleF();
var empty = new RectangleF();
left.Height = font.Size / 2;
left.Width = left.Height;
left.X = property.X + style.border + style.padding.X;
left.Y = property.Y + style.border + property.Height / 2.0f - left.Height / 2;
size = font.width(name);
label.X = left.X + left.Width + style.padding.X;
label.Width = size + 2 * style.padding.X;
label.Y = property.Y + style.border + style.padding.Y;
label.Height = property.Height - (2 * style.border + 2 * style.padding.Y);
right.Y = left.Y;
right.Width = left.Width;
right.Height = left.Height;
right.X = property.X + property.Width - (right.Width + style.padding.X);
if (state == NK_PROPERTY_EDIT)
{
size = font.width(buffer);
size += style.edit.Cursor_size;
dst = buffer;
}
else
{
var _string_ = string.Empty;
switch (variant->kind)
{
case NK_PROPERTY_INT:
_string_ = variant->value.i.ToString();
break;
case NK_PROPERTY_FLOAT:
_string_ = variant->value.f.ToString();
break;
case NK_PROPERTY_DOUBLE:
_string_ = variant->value.d.ToString();
break;
}
size = font.width(_string_);
dst = _string_;
}
edit.Width = size + 2 * style.padding.X;
edit.Width = edit.Width < right.X - (label.X + label.Width)
? edit.Width
: right.X - (label.X + label.Width);
edit.X = right.X - (edit.Width + style.padding.X);
edit.Y = property.Y + style.border;
edit.Height = property.Height - 2 * style.border;
empty.Width = edit.X - (label.X + label.Width);
empty.X = label.X + label.Width;
empty.Y = property.Y;
empty.Height = property.Height;
old = state == NK_PROPERTY_EDIT ? 1 : 0;
PropertyBehavior(ref ws, _in_, property, label, edit,
empty,
ref state, variant, inc_per_pixel);
if (style.draw_begin != null)
{
style.draw_begin(_out_);
}
_out_.DrawProperty(style, &property, &label, ws, name, font);
if (style.draw_end != null)
{
style.draw_end(_out_);
}
if (
DoButtonSymbol(ref ws, _out_, left, style.sym_left, behavior,
style.dec_button,
_in_, font))
{
switch (variant->kind)
{
case NK_PROPERTY_INT:
variant->value.i =
(variant->value.i - variant->step.i < variant->max_value.i
? variant->value.i - variant->step.i
: variant->max_value.i) < variant->min_value.i
? variant->min_value.i
: variant->value.i - variant->step.i < variant->max_value.i
? variant->value.i - variant->step.i
: variant->max_value.i;
break;
case NK_PROPERTY_FLOAT:
variant->value.f =
(variant->value.f - variant->step.f < variant->max_value.f
? variant->value.f - variant->step.f
: variant->max_value.f) < variant->min_value.f
? variant->min_value.f
: variant->value.f - variant->step.f < variant->max_value.f
? variant->value.f - variant->step.f
: variant->max_value.f;
break;
case NK_PROPERTY_DOUBLE:
variant->value.d =
(variant->value.d - variant->step.d < variant->max_value.d
? variant->value.d - variant->step.d
: variant->max_value.d) < variant->min_value.d
? variant->min_value.d
: variant->value.d - variant->step.d < variant->max_value.d
? variant->value.d - variant->step.d
: variant->max_value.d;
break;
}
}
if (
DoButtonSymbol(ref ws, _out_, right, style.sym_right, behavior,
style.inc_button,
_in_, font))
{
switch (variant->kind)
{
case NK_PROPERTY_INT:
variant->value.i =
(variant->value.i + variant->step.i < variant->max_value.i
? variant->value.i + variant->step.i
: variant->max_value.i) < variant->min_value.i
? variant->min_value.i
: variant->value.i + variant->step.i < variant->max_value.i
? variant->value.i + variant->step.i
: variant->max_value.i;
break;
case NK_PROPERTY_FLOAT:
variant->value.f =
(variant->value.f + variant->step.f < variant->max_value.f
? variant->value.f + variant->step.f
: variant->max_value.f) < variant->min_value.f
? variant->min_value.f
: variant->value.f + variant->step.f < variant->max_value.f
? variant->value.f + variant->step.f
: variant->max_value.f;
break;
case NK_PROPERTY_DOUBLE:
variant->value.d =
(variant->value.d + variant->step.d < variant->max_value.d
? variant->value.d + variant->step.d
: variant->max_value.d) < variant->min_value.d
? variant->min_value.d
: variant->value.d + variant->step.d < variant->max_value.d
? variant->value.d + variant->step.d
: variant->max_value.d;
break;
}
}
if (old != NK_PROPERTY_EDIT && state == NK_PROPERTY_EDIT)
{
buffer = dst;
cursor = buffer != null ? buffer.Length : 0;
active = false;
}
else
{
active = state == NK_PROPERTY_EDIT;
}
nk_textedit_clear_state(text_edit, NK_TEXT_EDIT_SINGLE_LINE, filters[filter]);
text_edit.Active = active;
text_edit.Text.str = dst;
var length = dst != null ? dst.Length : 0;
text_edit.Cursor =
(cursor < length ? cursor : length) < 0
? 0
: cursor < length
? cursor
: length;
text_edit.SelectionStart =
(select_begin < length ? select_begin : length) < 0
? 0
: select_begin < length
? select_begin
: length;
text_edit.SelectionEnd =
(select_end < length ? select_end : length) < 0
? 0
: select_end < length
? select_end
: length;
text_edit.Mode = NK_TEXT_EDIT_MODE_INSERT;
DoEdit(ref ws, _out_, edit, NK_EDIT_FIELD | NK_EDIT_AUTO_SELECT,
filters[filter], text_edit,
style.edit, state == NK_PROPERTY_EDIT ? _in_ : null, font);
cursor = text_edit.Cursor;
select_begin = text_edit.SelectionStart;
select_end = text_edit.SelectionEnd;
if (text_edit.Active && nk_input_is_key_pressed(_in_, NK_KEY_ENTER))
{
text_edit.Active = false;
}
if (active && !text_edit.Active)
{
state = NK_PROPERTY_DEFAULT;
switch (variant->kind)
{
case NK_PROPERTY_INT:
int.TryParse(buffer, out variant->value.i);
variant->value.i =
(variant->value.i < variant->max_value.i
? variant->value.i
: variant->max_value.i) <
variant->min_value.i
? variant->min_value.i
: variant->value.i < variant->max_value.i
? variant->value.i
: variant->max_value.i;
break;
case NK_PROPERTY_FLOAT:
float.TryParse(buffer, out variant->value.f);
variant->value.f =
(variant->value.f < variant->max_value.f
? variant->value.f
: variant->max_value.f) <
variant->min_value.f
? variant->min_value.f
: variant->value.f < variant->max_value.f
? variant->value.f
: variant->max_value.f;
break;
case NK_PROPERTY_DOUBLE:
double.TryParse(buffer, out variant->value.d);
variant->value.d =
(variant->value.d < variant->max_value.d
? variant->value.d
: variant->max_value.d) <
variant->min_value.d
? variant->min_value.d
: variant->value.d < variant->max_value.d
? variant->value.d
: variant->max_value.d;
break;
}
}
}
