Extensions. XAML export improvements.

[inkscape.git] / src / text-editing.h

diff --git a/src/text-editing.h b/src/text-editing.h
index 8cf948b60a2fb07e9d9e8a75a6f017ef67ead197..3d5efbbecb0e508edfc48a2c54e64fc8cdf9741f 100644 (file)
--- a/src/text-editing.h
+++ b/src/text-editing.h
@@ -1,5 +1,5 @@
-#ifndef __SP_TEXT_EDITING_H__
-#define __SP_TEXT_EDITING_H__
+#ifndef SEEN_SP_TEXT_EDITING_H
+#define SEEN_SP_TEXT_EDITING_H
 
 /*
  * Text editing functions common for for text and flowtext
@@ -16,28 +16,41 @@
 #include <glib/gtypes.h>
 #include <utility>   // std::pair
 #include "libnrtype/Layout-TNG.h"
+#include <libnr/nr-forward.h>
+#include "text-tag-attributes.h"
+
 class SPCSSAttr;
 struct SPItem;
 struct SPObject;
 struct SPStyle;
-namespace NR { class Matrix; }
-namespace NR { class Point; }
 
 typedef std::pair<Inkscape::Text::Layout::iterator, Inkscape::Text::Layout::iterator> iterator_pair; 
 
 
 Inkscape::Text::Layout const * te_get_layout (SPItem const *item);
-bool sp_te_output_is_empty (SPItem const *item);
-bool sp_te_input_is_empty (SPObject const *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<NR::Point> sp_te_create_selection_quads(SPItem const *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, NR::Matrix const &transform);
 
-Inkscape::Text::Layout::iterator sp_te_get_position_by_coords (SPItem const *item, NR::Point &i_p);
-void sp_te_get_cursor_coords (SPItem const *item, Inkscape::Text::Layout::iterator const &position, NR::Point &p0, NR::Point &p1);
+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::Matrix 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, gchar const *utf8);
 Inkscape::Text::Layout::iterator sp_te_replace(SPItem *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, gchar const *utf8);
@@ -48,13 +61,23 @@ gchar *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, gchar const *str);
 
-void sp_te_adjust_kerning_screen(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, NR::Point by);
+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, gdouble pixels);
 void sp_te_adjust_rotation(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, gdouble degrees);
+void sp_te_set_rotation(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, gdouble degrees);
 
 void sp_te_adjust_tspan_letterspacing_screen(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, gdouble by);
 void sp_te_adjust_linespacing_screen(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, gdouble by);
 void sp_te_apply_style(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPCSSAttr const *css);
 
-#endif
+bool is_part_of_text_subtree (SPObject *obj);
+bool is_top_level_text_object (SPObject *obj);
+bool has_visible_text (SPObject *obj);
+
+#endif // SEEN_SP_TEXT_EDITING_H