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Diffstat (limited to '')
| -rw-r--r-- | src/text-editing.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/text-editing.h b/src/text-editing.h new file mode 100644 index 0000000..7e7787f --- /dev/null +++ b/src/text-editing.h @@ -0,0 +1,85 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef SEEN_SP_TEXT_EDITING_H +#define SEEN_SP_TEXT_EDITING_H + +/* + * Text editing functions common for for text and flowtext + * + * Authors: + * bulia byak + * Richard Hughes + * + * Copyright (C) 2004-5 authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <utility> // std::pair +#include "libnrtype/Layout-TNG.h" +#include "text-tag-attributes.h" + +class SPCSSAttr; +class SPDesktop; +class SPItem; +class SPObject; +class SPStyle; + +typedef std::pair<Inkscape::Text::Layout::iterator, Inkscape::Text::Layout::iterator> iterator_pair; + + +Inkscape::Text::Layout const * te_get_layout (SPItem const *item); + +void te_update_layout_now_recursive(SPItem *item); + +/** Returns true if there are no visible characters on the canvas. */ +bool sp_te_output_is_empty(SPItem const *item); + +/** Returns true if the user has typed nothing in the text box. */ +bool sp_te_input_is_empty(SPObject const *item); + +/** Recursively gets the length of all the SPStrings at or below the given +\a item. Also adds 1 for each line break encountered. */ +unsigned sp_text_get_length(SPObject const *item); + +/** Recursively gets the length of all the SPStrings at or below the given +\a item, before and not including \a upto. Also adds 1 for each line break encountered. */ +unsigned sp_text_get_length_upto(SPObject const *item, SPObject const *upto); + +std::vector<Geom::Point> sp_te_create_selection_quads(SPItem const *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, Geom::Affine const &transform); + +Inkscape::Text::Layout::iterator sp_te_get_position_by_coords (SPItem const *item, Geom::Point const &i_p); +void sp_te_get_cursor_coords (SPItem const *item, Inkscape::Text::Layout::iterator const &position, Geom::Point &p0, Geom::Point &p1); +double sp_te_get_average_linespacing (SPItem *text); + +SPStyle const * sp_te_style_at_position(SPItem const *text, Inkscape::Text::Layout::iterator const &position); +SPObject const * sp_te_object_at_position(SPItem const *text, Inkscape::Text::Layout::iterator const &position); + +Inkscape::Text::Layout::iterator sp_te_insert(SPItem *item, Inkscape::Text::Layout::iterator const &position, char const *utf8); +Inkscape::Text::Layout::iterator sp_te_replace(SPItem *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, char const *utf8); +Inkscape::Text::Layout::iterator sp_te_insert_line (SPItem *text, Inkscape::Text::Layout::iterator &position); +bool sp_te_delete (SPItem *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, iterator_pair &iter_pair); + +Glib::ustring sp_te_get_string_multiline(SPItem const *text); +Glib::ustring sp_te_get_string_multiline(SPItem const *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end); +void sp_te_set_repr_text_multiline(SPItem *text, char const *str); + +TextTagAttributes* +text_tag_attributes_at_position(SPItem *item, Inkscape::Text::Layout::iterator const &position, unsigned *char_index); + +void sp_te_adjust_kerning_screen(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, Geom::Point by); +void sp_te_adjust_dx (SPItem *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double delta); +void sp_te_adjust_dy (SPItem *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double delta); + +void sp_te_adjust_rotation_screen(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double pixels); +void sp_te_adjust_rotation(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double degrees); +void sp_te_set_rotation(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double degrees); + +void sp_te_adjust_tspan_letterspacing_screen(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double by); +void sp_te_adjust_linespacing_screen(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double by); +void sp_te_apply_style(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPCSSAttr const *css); + +bool is_part_of_text_subtree (SPObject const *obj); +bool is_top_level_text_object (SPObject const *obj); +bool has_visible_text (SPObject const *obj); + +#endif // SEEN_SP_TEXT_EDITING_H |