public static void nk_textedit_click(nk_text_edit state, float x, float y, nk_font font, float row_height)
{
state.Cursor = (int)(nk_textedit_locate_coord(state, (float)(x), (float)(y), font, (float)(row_height)));
state.SelectionStart = (int)(state.Cursor);
state.SelectionEnd = (int)(state.Cursor);
state.HasPreferredX = (byte)(0);
}
public static void nk_textedit_clamp(nk_text_edit state)
{
int n = (int)(state._string_.Len);
if (((state).select_start != (state).select_end))
{
if ((state.select_start) > (n))
{
state.select_start = (int)(n);
}
if ((state.select_end) > (n))
{
state.select_end = (int)(n);
}
if ((state.select_start) == (state.select_end))
{
state.cursor = (int)(state.select_start);
}
}
if ((state.cursor) > (n))
{
state.cursor = (int)(n);
}
}
public static void nk_textedit_text(nk_text_edit state, string text, int total_len)
{
fixed(char *p = text)
{
nk_textedit_text(state, text, total_len);
}
}
public static int nk_textedit_paste(nk_text_edit state, char *ctext, int len)
{
int glyphs;
char *text = ctext;
if ((state.mode) == (NkTextEditMode.VIEW))
{
return((int)(0));
}
nk_textedit_clamp(state);
nk_textedit_delete_selection(state);
glyphs = (int)(nk_utf_len(ctext, (int)(len)));
if ((state._string_.insert_at((int)(state.cursor), text, (int)(len))) != 0)
{
nk_textedit_makeundo_insert(state, (int)(state.cursor), (int)(glyphs));
state.cursor += (int)(len);
state.has_preferred_x = (byte)(0);
return((int)(1));
}
if ((state.undo.UndoPoint) != 0)
{
--state.undo.UndoPoint;
}
return((int)(0));
}
public static void nk_textedit_clamp(nk_text_edit state)
{
int n = (int)(state.Text.len);
if (((state).SelectionStart != (state).SelectionEnd))
{
if ((state.SelectionStart) > (n))
{
state.SelectionStart = (int)(n);
}
if ((state.SelectionEnd) > (n))
{
state.SelectionEnd = (int)(n);
}
if ((state.SelectionStart) == (state.SelectionEnd))
{
state.Cursor = (int)(state.SelectionStart);
}
}
if ((state.Cursor) > (n))
{
state.Cursor = (int)(n);
}
}
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 nk_textedit_layout_row(nk_text_edit_row *r, nk_text_edit edit, int line_start_id, float row_height,
NkUserFont font)
{
int glyphs = (int)(0);
char *remaining;
int len = (int)(edit._string_.Len);
fixed(char *str2 = edit._string_.Str)
{
char *end = str2 + len;
char * text = str2 + line_start_id;
NkVec2 size =
(NkVec2)
(nk_text_calculate_text_bounds(font, text, (int)(end - text), (float)(row_height), &remaining, null, &glyphs,
true));
r->x0 = (float)(0.0f);
r->x1 = (float)(size.x);
r->baseline_y_delta = (float)(size.y);
r->ymin = (float)(0.0f);
r->ymax = (float)(size.y);
r->num_chars = (int)(glyphs);
}
}
public static int nk_textedit_paste(nk_text_edit state, StringSegment ctext)
{
int glyphs;
if ((state.Mode) == (NK_TEXT_EDIT_MODE_VIEW))
{
return((int)(0));
}
nk_textedit_clamp(state);
nk_textedit_delete_selection(state);
glyphs = (int)(nk_utf_len(ctext));
if ((state.Text.insert_at((int)(state.Cursor), ctext)) != 0)
{
nk_textedit_makeundo_insert(state, (int)(state.Cursor), (int)(glyphs));
state.Cursor += ctext.Length;
state.HasPreferredX = (byte)(0);
return((int)(1));
}
if ((state.Undo.undo_point) != 0)
{
--state.Undo.undo_point;
}
return((int)(0));
}
public static void nk_textedit_click(nk_text_edit state, float x, float y, NkUserFont font, float row_height)
{
state.cursor = (int)(nk_textedit_locate_coord(state, (float)(x), (float)(y), font, (float)(row_height)));
state.select_start = (int)(state.cursor);
state.select_end = (int)(state.cursor);
state.has_preferred_x = (byte)(0);
}
public static void nk_textedit_free(nk_text_edit state)
{
if (state == null)
{
return;
}
state._string_.Str = string.Empty;
}
public static void nk_textedit_find_charpos(nk_text_find *find, nk_text_edit state, int n, int single_line,
NkUserFont font, float row_height)
{
nk_text_edit_row r = new nk_text_edit_row();
int prev_start = (int)(0);
int z = (int)(state._string_.Len);
int i = (int)(0);
int first;
nk_zero(&r, (ulong)(sizeof(nk_text_edit_row)));
if ((n) == (z))
{
nk_textedit_layout_row(&r, state, (int)(0), (float)(row_height), font);
if ((single_line) != 0)
{
find->first_char = (int)(0);
find->length = (int)(z);
}
else
{
while ((i) < (z))
{
prev_start = (int)(i);
i += (int)(r.num_chars);
nk_textedit_layout_row(&r, state, (int)(i), (float)(row_height), font);
}
find->first_char = (int)(i);
find->length = (int)(r.num_chars);
}
find->x = (float)(r.x1);
find->y = (float)(r.ymin);
find->height = (float)(r.ymax - r.ymin);
find->prev_first = (int)(prev_start);
return;
}
find->y = (float)(0);
for (; ;)
{
nk_textedit_layout_row(&r, state, (int)(i), (float)(row_height), font);
if ((n) < (i + r.num_chars))
{
break;
}
prev_start = (int)(i);
i += (int)(r.num_chars);
find->y += (float)(r.baseline_y_delta);
}
find->first_char = (int)(first = (int)(i));
find->length = (int)(r.num_chars);
find->height = (float)(r.ymax - r.ymin);
find->prev_first = (int)(prev_start);
find->x = (float)(r.x0);
for (i = (int)(0); (first + i) < (n); ++i)
{
find->x += (float)(nk_textedit_get_width(state, (int)(first), (int)(i), font));
}
}
public static void nk_textedit_undo(nk_text_edit state)
{
nk_text_undo_state s = state.Undo;
nk_text_undo_record u = new nk_text_undo_record();
if ((s.undo_point) == (0))
{
return;
}
u = (nk_text_undo_record)(s.undo_rec[s.undo_point - 1]);
fixed(nk_text_undo_record *r2 = s.undo_rec)
{
var r = r2 + s.redo_point - 1;
r->char_storage = (short)(-1);
r->insert_length = (short)(u.delete_length);
r->delete_length = (short)(u.insert_length);
r->where = (int)(u.where);
if ((u.delete_length) != 0)
{
if ((s.undo_char_point + u.delete_length) >= (999))
{
r->insert_length = (short)(0);
}
else
{
int i;
while ((s.undo_char_point + u.delete_length) > (s.redo_char_point))
{
nk_textedit_discard_redo(s);
if ((s.redo_point) == (99))
{
return;
}
}
r = r2 + s.redo_point - 1;
r->char_storage = ((short)(s.redo_char_point - u.delete_length));
s.redo_char_point = ((short)(s.redo_char_point - u.delete_length));
for (i = (int)(0); (i) < (u.delete_length); ++i)
{
s.undo_char[r->char_storage + i] = (char)(state.Text[(int)(u.where + i)]);
}
}
state.Text.remove_at((int)(u.where), (int)(u.delete_length));
}
}
if ((u.insert_length) != 0)
{
state.Text.insert_at((int)(u.where), s.undo_char, u.char_storage, (int)(u.insert_length));
s.undo_char_point = ((short)(s.undo_char_point - u.insert_length));
}
state.Cursor = (int)((short)(u.where + u.insert_length));
s.undo_point--;
s.redo_point--;
}
public static float nk_textedit_get_width(nk_text_edit edit, int line_start, int char_id, NkUserFont font)
{
fixed(char *str2 = edit._string_.Str)
{
char *str = str2 + line_start + char_id;
return((float)(font.Width((NkHandle)(font.Userdata), (float)(font.Height), str, 1)));
}
}
public static void nk_textedit_sortselection(nk_text_edit state)
{
if ((state.select_end) < (state.select_start))
{
int temp = (int)(state.select_end);
state.select_end = (int)(state.select_start);
state.select_start = (int)(temp);
}
}
public static float nk_textedit_get_width(nk_text_edit edit, int line_start, int char_id, nk_user_font font)
{
fixed(char *str2 = edit._string_.str)
{
char *str = str2 + line_start + char_id;
return((float)(font.width((nk_handle)(font.userdata), (float)(font.height), str, 1)));
}
}
public static void nk_textedit_init_default(nk_text_edit state)
{
if (state == null)
{
return;
}
nk_textedit_clear_state(state, (int)(NK_TEXT_EDIT_SINGLE_LINE), null);
}
public static void nk_textedit_init_default(nk_text_edit state)
{
if (state == null)
{
return;
}
nk_textedit_clear_state(state, (int)(NkTextEditType.SINGLE_LINE), null);
}
public static void nk_textedit_init_fixed(nk_text_edit state, void *memory, ulong size)
{
if (((memory == null)) || (size == 0))
{
return;
}
nk_textedit_clear_state(state, (int)(NkTextEditType.SINGLE_LINE), null);
}
public static void nk_textedit_drag(nk_text_edit state, float x, float y, nk_font font, float row_height)
{
int p = (int)(nk_textedit_locate_coord(state, (float)(x), (float)(y), font, (float)(row_height)));
if ((state.SelectionStart) == (state.SelectionEnd))
{
state.SelectionStart = (int)(state.Cursor);
}
state.Cursor = (int)(state.SelectionEnd = (int)(p));
}
public static void nk_textedit_drag(nk_text_edit state, float x, float y, NkUserFont font, float row_height)
{
int p = (int)(nk_textedit_locate_coord(state, (float)(x), (float)(y), font, (float)(row_height)));
if ((state.select_start) == (state.select_end))
{
state.select_start = (int)(state.cursor);
}
state.cursor = (int)(state.select_end = (int)(p));
}
public static void nk_textedit_move_to_first(nk_text_edit state)
{
if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_sortselection(state);
state.Cursor = (int)(state.SelectionStart);
state.SelectionEnd = (int)(state.SelectionStart);
state.HasPreferredX = (byte)(0);
}
}
public static void nk_textedit_move_to_first(nk_text_edit state)
{
if (((state).select_start != (state).select_end))
{
nk_textedit_sortselection(state);
state.cursor = (int)(state.select_start);
state.select_end = (int)(state.select_start);
state.has_preferred_x = (byte)(0);
}
}
public static void nk_textedit_undo(nk_text_edit state)
{
NkTextUndoState s = state.undo;
nk_text_undo_record u = new nk_text_undo_record();
nk_text_undo_record *r;
if ((s.UndoPoint) == (0))
{
return;
}
u = (nk_text_undo_record)(s.UndoRec[s.UndoPoint - 1]);
r = (nk_text_undo_record *)s.UndoRec + s.RedoPoint - 1;
r->char_storage = (short)(-1);
r->insert_length = (short)(u.delete_length);
r->delete_length = (short)(u.insert_length);
r->where = (int)(u.where);
if ((u.delete_length) != 0)
{
if ((s.UndoCharPoint + u.delete_length) >= (999))
{
r->insert_length = (short)(0);
}
else
{
int i;
while ((s.UndoCharPoint + u.delete_length) > (s.RedoCharPoint))
{
nk_textedit_discard_redo(s);
if ((s.RedoPoint) == (99))
{
return;
}
}
r = (nk_text_undo_record *)s.UndoRec + s.RedoPoint - 1;
r->char_storage = ((short)(s.RedoCharPoint - u.delete_length));
s.RedoCharPoint = ((short)(s.RedoCharPoint - u.delete_length));
for (i = (int)(0); (i) < (u.delete_length); ++i)
{
s.UndoChar[r->char_storage + i] = (char)(state._string_[(int)(u.where + i)]);
}
}
state._string_.remove_at((int)(u.where), (int)(u.delete_length));
}
if ((u.insert_length) != 0)
{
state._string_.insert_at((int)(u.where), (char *)s.UndoChar + u.char_storage,
(int)(u.insert_length));
s.UndoCharPoint = ((short)(s.UndoCharPoint - u.insert_length));
}
state.cursor = (int)((short)(u.where + u.insert_length));
s.UndoPoint--;
s.RedoPoint--;
}
public static void nk_textedit_text(nk_text_edit state, StringSegment text)
{
int unicode;
int glyph_len;
int text_len = (int)(0);
if (((text.IsNullOrEmpty) || ((state.Mode) == (NK_TEXT_EDIT_MODE_VIEW))))
{
return;
}
glyph_len = (int)(nk_utf_decode(text, &unicode));
while (((text_len) < (text.Length)) && ((glyph_len) != 0))
{
if ((unicode) == (127))
{
goto next;
}
if (((unicode) == ('\n')) && ((state.SingleLine) != 0))
{
goto next;
}
if (((state.Filter) != null) && (state.Filter(state, unicode) == 0))
{
goto next;
}
if ((!((state).SelectionStart != (state).SelectionEnd)) && ((state.Cursor) < (state.Text.len)))
{
if ((state.Mode) == (NK_TEXT_EDIT_MODE_REPLACE))
{
nk_textedit_makeundo_replace(state, (int)(state.Cursor), (int)(1), (int)(1));
state.Text.remove_at((int)(state.Cursor), (int)(1));
}
if ((state.Text.insert_at((int)(state.Cursor), (text + text_len).CreateSingleCharSegment())) != 0)
{
++state.Cursor;
state.HasPreferredX = (byte)(0);
}
}
else
{
nk_textedit_delete_selection(state);
if ((state.Text.insert_at((int)(state.Cursor), (text + text_len).CreateSingleCharSegment())) != 0)
{
nk_textedit_makeundo_insert(state, (int)(state.Cursor), (int)(1));
++state.Cursor;
state.HasPreferredX = (byte)(0);
}
}
next:
;
text_len += (int)(glyph_len);
glyph_len = (int)(nk_utf_decode(text + text_len, &unicode));
}
}
public static int nk_filter_decimal(nk_text_edit box, char unicode)
{
if ((((unicode) < ('0')) || ((unicode) > ('9'))) && (unicode != '-'))
{
return((int)(nk_false));
}
else
{
return((int)(nk_true));
}
}
public static int nk_filter_ascii(nk_text_edit box, char unicode)
{
if ((unicode) > (128))
{
return((int)(nk_false));
}
else
{
return((int)(nk_true));
}
}
public static void nk_textedit_text(nk_text_edit state, char *text, int total_len)
{
char unicode;
int glyph_len;
int text_len = (int)(0);
if (((text == null) || (total_len == 0)) || ((state.mode) == (NkTextEditMode.VIEW)))
{
return;
}
glyph_len = (int)(nk_utf_decode(text, &unicode, (int)(total_len)));
while (((text_len) < (total_len)) && ((glyph_len) != 0))
{
if ((unicode) == (127))
{
goto next;
}
if (((unicode) == ('\n')) && ((state.single_line) != 0))
{
goto next;
}
if (((state.filter) != null) && (state.filter(state, unicode) == 0))
{
goto next;
}
if ((!((state).select_start != (state).select_end)) && ((state.cursor) < (state._string_.Len)))
{
if ((state.mode) == (NkTextEditMode.REPLACE))
{
nk_textedit_makeundo_replace(state, (int)(state.cursor), (int)(1), (int)(1));
state._string_.remove_at((int)(state.cursor), (int)(1));
}
if ((state._string_.insert_at((int)(state.cursor), text + text_len, (int)(1))) != 0)
{
++state.cursor;
state.has_preferred_x = (byte)(0);
}
}
else
{
nk_textedit_delete_selection(state);
if ((state._string_.insert_at((int)(state.cursor), text + text_len, (int)(1))) != 0)
{
nk_textedit_makeundo_insert(state, (int)(state.cursor), (int)(1));
++state.cursor;
state.has_preferred_x = (byte)(0);
}
}
next:
;
text_len += (int)(glyph_len);
glyph_len = (int)(nk_utf_decode(text + text_len, &unicode, (int)(total_len - text_len)));
}
}
public static int nk_filter_oct(nk_text_edit box, char unicode)
{
if (((unicode) < ('0')) || ((unicode) > ('7')))
{
return((int)(nk_false));
}
else
{
return((int)(nk_true));
}
}
public static void nk_textedit_prep_selection_at_cursor(nk_text_edit state)
{
if (!((state).select_start != (state).select_end))
{
state.select_start = (int)(state.select_end = (int)(state.cursor));
}
else
{
state.cursor = (int)(state.select_end);
}
}
public static int nk_filter_binary(nk_text_edit box, char unicode)
{
if ((unicode != '0') && (unicode != '1'))
{
return((int)(nk_false));
}
else
{
return((int)(nk_true));
}
}
