public static void nk_textedit_key(nk_text_edit state, NkKeys key, int shift_mod, NkUserFont font, float row_height)
{
retry:
;
switch (key)
{
case NkKeys.NONE:
case NkKeys.CTRL:
case NkKeys.ENTER:
case NkKeys.SHIFT:
case NkKeys.TAB:
case NkKeys.COPY:
case NkKeys.CUT:
case NkKeys.PASTE:
case NkKeys.MAX:
default:
break;
case NkKeys.TEXT_UNDO:
nk_textedit_undo(state);
state.has_preferred_x = (byte)(0);
break;
case NkKeys.TEXT_REDO:
nk_textedit_redo(state);
state.has_preferred_x = (byte)(0);
break;
case NkKeys.TEXT_SELECT_ALL:
nk_textedit_select_all(state);
state.has_preferred_x = (byte)(0);
break;
case NkKeys.TEXT_INSERT_MODE:
if ((state.mode) == (NkTextEditMode.VIEW))
{
state.mode = (NkTextEditMode.INSERT);
}
break;
case NkKeys.TEXT_REPLACE_MODE:
if ((state.mode) == (NkTextEditMode.VIEW))
{
state.mode = (NkTextEditMode.REPLACE);
}
break;
case NkKeys.TEXT_RESET_MODE:
if (((state.mode) == (NkTextEditMode.INSERT)) || ((state.mode) == (NkTextEditMode.REPLACE)))
{
state.mode = (byte)(NkTextEditMode.VIEW);
}
break;
case NkKeys.LEFT:
if ((shift_mod) != 0)
{
nk_textedit_clamp(state);
nk_textedit_prep_selection_at_cursor(state);
if ((state.select_end) > (0))
{
--state.select_end;
}
state.cursor = (int)(state.select_end);
state.has_preferred_x = (byte)(0);
}
else
{
if (((state).select_start != (state).select_end))
{
nk_textedit_move_to_first(state);
}
else if ((state.cursor) > (0))
{
--state.cursor;
}
state.has_preferred_x = (byte)(0);
}
break;
case NkKeys.RIGHT:
if ((shift_mod) != 0)
{
nk_textedit_prep_selection_at_cursor(state);
++state.select_end;
nk_textedit_clamp(state);
state.cursor = (int)(state.select_end);
state.has_preferred_x = (byte)(0);
}
else
{
if (((state).select_start != (state).select_end))
{
nk_textedit_move_to_last(state);
}
else
{
++state.cursor;
}
nk_textedit_clamp(state);
state.has_preferred_x = (byte)(0);
}
break;
case NkKeys.TEXT_WORD_LEFT:
if ((shift_mod) != 0)
{
if (!((state).select_start != (state).select_end))
{
nk_textedit_prep_selection_at_cursor(state);
}
state.cursor = (int)(nk_textedit_move_to_word_previous(state));
state.select_end = (int)(state.cursor);
nk_textedit_clamp(state);
}
else
{
if (((state).select_start != (state).select_end))
{
nk_textedit_move_to_first(state);
}
else
{
state.cursor = (int)(nk_textedit_move_to_word_previous(state));
nk_textedit_clamp(state);
}
}
break;
case NkKeys.TEXT_WORD_RIGHT:
if ((shift_mod) != 0)
{
if (!((state).select_start != (state).select_end))
{
nk_textedit_prep_selection_at_cursor(state);
}
state.cursor = (int)(nk_textedit_move_to_word_next(state));
state.select_end = (int)(state.cursor);
nk_textedit_clamp(state);
}
else
{
if (((state).select_start != (state).select_end))
{
nk_textedit_move_to_last(state);
}
else
{
state.cursor = (int)(nk_textedit_move_to_word_next(state));
nk_textedit_clamp(state);
}
}
break;
case NkKeys.DOWN:
{
nk_text_find find = new nk_text_find();
nk_text_edit_row row = new nk_text_edit_row();
int i;
int sel = (int)(shift_mod);
if ((state.single_line) != 0)
{
key = (NkKeys.RIGHT);
goto retry;
}
if ((sel) != 0)
{
nk_textedit_prep_selection_at_cursor(state);
}
else if (((state).select_start != (state).select_end))
{
nk_textedit_move_to_last(state);
}
nk_textedit_clamp(state);
nk_textedit_find_charpos(&find, state, (int)(state.cursor), (int)(state.single_line), font, (float)(row_height));
if ((find.length) != 0)
{
float x;
float goal_x = (float)((state.has_preferred_x) != 0 ? state.preferred_x : find.x);
int start = (int)(find.first_char + find.length);
state.cursor = (int)(start);
nk_textedit_layout_row(&row, state, (int)(state.cursor), (float)(row_height), font);
x = (float)(row.x0);
for (i = (int)(0); ((i) < (row.num_chars)) && ((x) < (row.x1)); ++i)
{
float dx = (float)(nk_textedit_get_width(state, (int)(start), (int)(i), font));
x += (float)(dx);
if ((x) > (goal_x))
{
break;
}
++state.cursor;
}
nk_textedit_clamp(state);
state.has_preferred_x = (byte)(1);
state.preferred_x = (float)(goal_x);
if ((sel) != 0)
{
state.select_end = (int)(state.cursor);
}
}
}
break;
case NkKeys.UP:
{
nk_text_find find = new nk_text_find();
nk_text_edit_row row = new nk_text_edit_row();
int i;
int sel = (int)(shift_mod);
if ((state.single_line) != 0)
{
key = (NkKeys.LEFT);
goto retry;
}
if ((sel) != 0)
{
nk_textedit_prep_selection_at_cursor(state);
}
else if (((state).select_start != (state).select_end))
{
nk_textedit_move_to_first(state);
}
nk_textedit_clamp(state);
nk_textedit_find_charpos(&find, state, (int)(state.cursor), (int)(state.single_line), font, (float)(row_height));
if (find.prev_first != find.first_char)
{
float x;
float goal_x = (float)((state.has_preferred_x) != 0 ? state.preferred_x : find.x);
state.cursor = (int)(find.prev_first);
nk_textedit_layout_row(&row, state, (int)(state.cursor), (float)(row_height), font);
x = (float)(row.x0);
for (i = (int)(0); ((i) < (row.num_chars)) && ((x) < (row.x1)); ++i)
{
float dx = (float)(nk_textedit_get_width(state, (int)(find.prev_first), (int)(i), font));
x += (float)(dx);
if ((x) > (goal_x))
{
break;
}
++state.cursor;
}
nk_textedit_clamp(state);
state.has_preferred_x = (byte)(1);
state.preferred_x = (float)(goal_x);
if ((sel) != 0)
{
state.select_end = (int)(state.cursor);
}
}
}
break;
case NkKeys.DEL:
if ((state.mode) == (NkTextEditMode.VIEW))
{
break;
}
if (((state).select_start != (state).select_end))
{
nk_textedit_delete_selection(state);
}
else
{
int n = (int)(state._string_.Len);
if ((state.cursor) < (n))
{
nk_textedit_delete(state, (int)(state.cursor), (int)(1));
}
}
state.has_preferred_x = (byte)(0);
break;
case NkKeys.BACKSPACE:
if ((state.mode) == (NkTextEditMode.VIEW))
{
break;
}
if (((state).select_start != (state).select_end))
{
nk_textedit_delete_selection(state);
}
else
{
nk_textedit_clamp(state);
if ((state.cursor) > (0))
{
nk_textedit_delete(state, (int)(state.cursor - 1), (int)(1));
--state.cursor;
}
}
state.has_preferred_x = (byte)(0);
break;
case NkKeys.TEXT_START:
if ((shift_mod) != 0)
{
nk_textedit_prep_selection_at_cursor(state);
state.cursor = (int)(state.select_end = (int)(0));
state.has_preferred_x = (byte)(0);
}
else
{
state.cursor = (int)(state.select_start = (int)(state.select_end = (int)(0)));
state.has_preferred_x = (byte)(0);
}
break;
case NkKeys.TEXT_END:
if ((shift_mod) != 0)
{
nk_textedit_prep_selection_at_cursor(state);
state.cursor = (int)(state.select_end = (int)(state._string_.Len));
state.has_preferred_x = (byte)(0);
}
else
{
state.cursor = (int)(state._string_.Len);
state.select_start = (int)(state.select_end = (int)(0));
state.has_preferred_x = (byte)(0);
}
break;
case NkKeys.TEXT_LINE_START:
{
if ((shift_mod) != 0)
{
nk_text_find find = new nk_text_find();
nk_textedit_clamp(state);
nk_textedit_prep_selection_at_cursor(state);
if (((state._string_.Len) != 0) && ((state.cursor) == (state._string_.Len)))
{
--state.cursor;
}
nk_textedit_find_charpos(&find, state, (int)(state.cursor), (int)(state.single_line), font, (float)(row_height));
state.cursor = (int)(state.select_end = (int)(find.first_char));
state.has_preferred_x = (byte)(0);
}
else
{
nk_text_find find = new nk_text_find();
if (((state._string_.Len) != 0) && ((state.cursor) == (state._string_.Len)))
{
--state.cursor;
}
nk_textedit_clamp(state);
nk_textedit_move_to_first(state);
nk_textedit_find_charpos(&find, state, (int)(state.cursor), (int)(state.single_line), font, (float)(row_height));
state.cursor = (int)(find.first_char);
state.has_preferred_x = (byte)(0);
}
}
break;
case NkKeys.TEXT_LINE_END:
{
if ((shift_mod) != 0)
{
nk_text_find find = new nk_text_find();
nk_textedit_clamp(state);
nk_textedit_prep_selection_at_cursor(state);
nk_textedit_find_charpos(&find, state, (int)(state.cursor), (int)(state.single_line), font, (float)(row_height));
state.has_preferred_x = (byte)(0);
state.cursor = (int)(find.first_char + find.length);
if (((find.length) > (0)) && ((state._string_[(int)(state.cursor - 1)]) == ('\n')))
{
--state.cursor;
}
state.select_end = (int)(state.cursor);
}
else
{
nk_text_find find = new nk_text_find();
nk_textedit_clamp(state);
nk_textedit_move_to_first(state);
nk_textedit_find_charpos(&find, state, (int)(state.cursor), (int)(state.single_line), font, (float)(row_height));
state.has_preferred_x = (byte)(0);
state.cursor = (int)(find.first_char + find.length);
if (((find.length) > (0)) && ((state._string_[(int)(state.cursor - 1)]) == ('\n')))
{
--state.cursor;
}
}
}
break;
}
}
public static void nk_textedit_key(nk_text_edit state, int key, bool shift_mod, nk_font font, float row_height)
{
retry:
;
switch (key)
{
case NK_KEY_NONE:
case NK_KEY_CTRL:
case NK_KEY_ENTER:
case NK_KEY_SHIFT:
case NK_KEY_TAB:
case NK_KEY_COPY:
case NK_KEY_CUT:
case NK_KEY_PASTE:
case NK_KEY_MAX:
default:
break;
case NK_KEY_TEXT_UNDO:
nk_textedit_undo(state);
state.HasPreferredX = (byte)(0);
break;
case NK_KEY_TEXT_REDO:
nk_textedit_redo(state);
state.HasPreferredX = (byte)(0);
break;
case NK_KEY_TEXT_SELECT_ALL:
nk_textedit_select_all(state);
state.HasPreferredX = (byte)(0);
break;
case NK_KEY_TEXT_INSERT_MODE:
if ((state.Mode) == (NK_TEXT_EDIT_MODE_VIEW))
{
state.Mode = (byte)(NK_TEXT_EDIT_MODE_INSERT);
}
break;
case NK_KEY_TEXT_REPLACE_MODE:
if ((state.Mode) == (NK_TEXT_EDIT_MODE_VIEW))
{
state.Mode = (byte)(NK_TEXT_EDIT_MODE_REPLACE);
}
break;
case NK_KEY_TEXT_RESET_MODE:
if (((state.Mode) == (NK_TEXT_EDIT_MODE_INSERT)) || ((state.Mode) == (NK_TEXT_EDIT_MODE_REPLACE)))
{
state.Mode = (byte)(NK_TEXT_EDIT_MODE_VIEW);
}
break;
case NK_KEY_LEFT:
if (shift_mod)
{
nk_textedit_clamp(state);
nk_textedit_prep_selection_at_cursor(state);
if ((state.SelectionEnd) > (0))
{
--state.SelectionEnd;
}
state.Cursor = (int)(state.SelectionEnd);
state.HasPreferredX = (byte)(0);
}
else
{
if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_move_to_first(state);
}
else if ((state.Cursor) > (0))
{
--state.Cursor;
}
state.HasPreferredX = (byte)(0);
}
break;
case NK_KEY_RIGHT:
if (shift_mod)
{
nk_textedit_prep_selection_at_cursor(state);
++state.SelectionEnd;
nk_textedit_clamp(state);
state.Cursor = (int)(state.SelectionEnd);
state.HasPreferredX = (byte)(0);
}
else
{
if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_move_to_last(state);
}
else
{
++state.Cursor;
}
nk_textedit_clamp(state);
state.HasPreferredX = (byte)(0);
}
break;
case NK_KEY_TEXT_WORD_LEFT:
if (shift_mod)
{
if (!((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_prep_selection_at_cursor(state);
}
state.Cursor = (int)(nk_textedit_move_to_word_previous(state));
state.SelectionEnd = (int)(state.Cursor);
nk_textedit_clamp(state);
}
else
{
if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_move_to_first(state);
}
else
{
state.Cursor = (int)(nk_textedit_move_to_word_previous(state));
nk_textedit_clamp(state);
}
}
break;
case NK_KEY_TEXT_WORD_RIGHT:
if (shift_mod)
{
if (!((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_prep_selection_at_cursor(state);
}
state.Cursor = (int)(nk_textedit_move_to_word_next(state));
state.SelectionEnd = (int)(state.Cursor);
nk_textedit_clamp(state);
}
else
{
if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_move_to_last(state);
}
else
{
state.Cursor = (int)(nk_textedit_move_to_word_next(state));
nk_textedit_clamp(state);
}
}
break;
case NK_KEY_DOWN:
{
nk_text_find find = new nk_text_find();
nk_text_edit_row row = new nk_text_edit_row();
int i;
bool sel = shift_mod;
if ((state.SingleLine) != 0)
{
key = (int)(NK_KEY_RIGHT);
goto retry;
}
if (sel)
{
nk_textedit_prep_selection_at_cursor(state);
}
else if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_move_to_last(state);
}
nk_textedit_clamp(state);
nk_textedit_find_charpos(&find, state, (int)(state.Cursor), (int)(state.SingleLine), font, (float)(row_height));
if ((find.length) != 0)
{
float x;
float goal_x = (float)((state.HasPreferredX) != 0 ? state.PreferredX : find.x);
int start = (int)(find.first_char + find.length);
state.Cursor = (int)(start);
nk_textedit_layout_row(&row, state, (int)(state.Cursor), (float)(row_height), font);
x = (float)(row.x0);
for (i = (int)(0); ((i) < (row.num_chars)) && ((x) < (row.x1)); ++i)
{
float dx = (float)(nk_textedit_get_width(state, (int)(start), (int)(i), font));
x += (float)(dx);
if ((x) > (goal_x))
{
break;
}
++state.Cursor;
}
nk_textedit_clamp(state);
state.HasPreferredX = (byte)(1);
state.PreferredX = (float)(goal_x);
if (sel)
{
state.SelectionEnd = (int)(state.Cursor);
}
}
}
break;
case NK_KEY_UP:
{
nk_text_find find = new nk_text_find();
nk_text_edit_row row = new nk_text_edit_row();
int i;
bool sel = shift_mod;
if ((state.SingleLine) != 0)
{
key = (int)(NK_KEY_LEFT);
goto retry;
}
if (sel)
{
nk_textedit_prep_selection_at_cursor(state);
}
else if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_move_to_first(state);
}
nk_textedit_clamp(state);
nk_textedit_find_charpos(&find, state, (int)(state.Cursor), (int)(state.SingleLine), font, (float)(row_height));
if (find.prev_first != find.first_char)
{
float x;
float goal_x = (float)((state.HasPreferredX) != 0 ? state.PreferredX : find.x);
state.Cursor = (int)(find.prev_first);
nk_textedit_layout_row(&row, state, (int)(state.Cursor), (float)(row_height), font);
x = (float)(row.x0);
for (i = (int)(0); ((i) < (row.num_chars)) && ((x) < (row.x1)); ++i)
{
float dx = (float)(nk_textedit_get_width(state, (int)(find.prev_first), (int)(i), font));
x += (float)(dx);
if ((x) > (goal_x))
{
break;
}
++state.Cursor;
}
nk_textedit_clamp(state);
state.HasPreferredX = (byte)(1);
state.PreferredX = (float)(goal_x);
if (sel)
{
state.SelectionEnd = (int)(state.Cursor);
}
}
}
break;
case NK_KEY_DEL:
if ((state.Mode) == (NK_TEXT_EDIT_MODE_VIEW))
{
break;
}
if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_delete_selection(state);
}
else
{
int n = (int)(state.Text.len);
if ((state.Cursor) < (n))
{
nk_textedit_delete(state, (int)(state.Cursor), (int)(1));
}
}
state.HasPreferredX = (byte)(0);
break;
case NK_KEY_BACKSPACE:
if ((state.Mode) == (NK_TEXT_EDIT_MODE_VIEW))
{
break;
}
if (((state).SelectionStart != (state).SelectionEnd))
{
nk_textedit_delete_selection(state);
}
else
{
nk_textedit_clamp(state);
if ((state.Cursor) > (0))
{
nk_textedit_delete(state, (int)(state.Cursor - 1), (int)(1));
--state.Cursor;
}
}
state.HasPreferredX = (byte)(0);
break;
case NK_KEY_TEXT_START:
if (shift_mod)
{
nk_textedit_prep_selection_at_cursor(state);
state.Cursor = (int)(state.SelectionEnd = (int)(0));
state.HasPreferredX = (byte)(0);
}
else
{
state.Cursor = (int)(state.SelectionStart = (int)(state.SelectionEnd = (int)(0)));
state.HasPreferredX = (byte)(0);
}
break;
case NK_KEY_TEXT_END:
if (shift_mod)
{
nk_textedit_prep_selection_at_cursor(state);
state.Cursor = (int)(state.SelectionEnd = (int)(state.Text.len));
state.HasPreferredX = (byte)(0);
}
else
{
state.Cursor = (int)(state.Text.len);
state.SelectionStart = (int)(state.SelectionEnd = (int)(0));
state.HasPreferredX = (byte)(0);
}
break;
case NK_KEY_TEXT_LINE_START:
{
if (shift_mod)
{
nk_text_find find = new nk_text_find();
nk_textedit_clamp(state);
nk_textedit_prep_selection_at_cursor(state);
if (((state.Text.len) != 0) && ((state.Cursor) == (state.Text.len)))
{
--state.Cursor;
}
nk_textedit_find_charpos(&find, state, (int)(state.Cursor), (int)(state.SingleLine), font, (float)(row_height));
state.Cursor = (int)(state.SelectionEnd = (int)(find.first_char));
state.HasPreferredX = (byte)(0);
}
else
{
nk_text_find find = new nk_text_find();
if (((state.Text.len) != 0) && ((state.Cursor) == (state.Text.len)))
{
--state.Cursor;
}
nk_textedit_clamp(state);
nk_textedit_move_to_first(state);
nk_textedit_find_charpos(&find, state, (int)(state.Cursor), (int)(state.SingleLine), font, (float)(row_height));
state.Cursor = (int)(find.first_char);
state.HasPreferredX = (byte)(0);
}
}
break;
case NK_KEY_TEXT_LINE_END:
{
if (shift_mod)
{
nk_text_find find = new nk_text_find();
nk_textedit_clamp(state);
nk_textedit_prep_selection_at_cursor(state);
nk_textedit_find_charpos(&find, state, (int)(state.Cursor), (int)(state.SingleLine), font, (float)(row_height));
state.HasPreferredX = (byte)(0);
state.Cursor = (int)(find.first_char + find.length);
if (((find.length) > (0)) && ((state.Text[(int)(state.Cursor - 1)]) == ('\n')))
{
--state.Cursor;
}
state.SelectionEnd = (int)(state.Cursor);
}
else
{
nk_text_find find = new nk_text_find();
nk_textedit_clamp(state);
nk_textedit_move_to_first(state);
nk_textedit_find_charpos(&find, state, (int)(state.Cursor), (int)(state.SingleLine), font, (float)(row_height));
state.HasPreferredX = (byte)(0);
state.Cursor = (int)(find.first_char + find.length);
if (((find.length) > (0)) && ((state.Text[(int)(state.Cursor - 1)]) == ('\n')))
{
--state.Cursor;
}
}
}
break;
}
}