From f1b28615cb0ce50d3e0d9ba841d700a2905fdbec Mon Sep 17 00:00:00 2001
From: Tavmjong Bah <tavmjong@free.fr>
Date: Fri, 14 May 2010 22:13:53 +0200
Subject: Add dx (kerning), dy (vertical shifting), and rotate widgets to text
 toolbar along with routines needed by them.

(bzr r9417)
---
 src/text-editing.cpp | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

(limited to 'src/text-editing.cpp')

diff --git a/src/text-editing.cpp b/src/text-editing.cpp
index e93ebdffa..372f5026d 100644
--- a/src/text-editing.cpp
+++ b/src/text-editing.cpp
@@ -928,7 +928,7 @@ sp_te_set_repr_text_multiline(SPItem *text, gchar const *str)
 
 /** Returns the attributes block and the character index within that block
 which represents the iterator \a position. */
-static TextTagAttributes*
+TextTagAttributes*
 text_tag_attributes_at_position(SPItem *item, Inkscape::Text::Layout::iterator const &position, unsigned *char_index)
 {
     if (item == NULL || char_index == NULL || !SP_IS_TEXT(item))
@@ -972,6 +972,36 @@ sp_te_adjust_kerning_screen (SPItem *item, Inkscape::Text::Layout::iterator cons
     item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
 }
 
+void
+sp_te_adjust_dx (SPItem *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double delta)
+{
+    unsigned char_index;
+    TextTagAttributes *attributes = text_tag_attributes_at_position(item, std::min(start, end), &char_index);
+    if (attributes) attributes->addToDx(char_index, delta);
+    if (start != end) {
+        attributes = text_tag_attributes_at_position(item, std::max(start, end), &char_index);
+        if (attributes) attributes->addToDx(char_index, -delta);
+    }
+
+    item->updateRepr();
+    item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+}
+
+void
+sp_te_adjust_dy (SPItem *item, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, double delta)
+{
+    unsigned char_index;
+    TextTagAttributes *attributes = text_tag_attributes_at_position(item, std::min(start, end), &char_index);
+    if (attributes) attributes->addToDy(char_index, delta);
+    if (start != end) {
+        attributes = text_tag_attributes_at_position(item, std::max(start, end), &char_index);
+        if (attributes) attributes->addToDy(char_index, -delta);
+    }
+
+    item->updateRepr();
+    item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+}
+
 void
 sp_te_adjust_rotation_screen(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop *desktop, gdouble pixels)
 {
@@ -1011,6 +1041,25 @@ sp_te_adjust_rotation(SPItem *text, Inkscape::Text::Layout::iterator const &star
     text->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
 }
 
+void
+sp_te_set_rotation(SPItem *text, Inkscape::Text::Layout::iterator const &start, Inkscape::Text::Layout::iterator const &end, SPDesktop */*desktop*/, gdouble degrees)
+{
+    unsigned char_index;
+    TextTagAttributes *attributes = text_tag_attributes_at_position(text, std::min(start, end), &char_index);
+    if (attributes == NULL) return;
+
+    if (start != end) {
+        for (Inkscape::Text::Layout::iterator it = std::min(start, end) ; it != std::max(start, end) ; it.nextCharacter()) {
+            attributes = text_tag_attributes_at_position(text, it, &char_index);
+            if (attributes) attributes->setRotate(char_index, degrees);
+        }
+    } else
+        attributes->setRotate(char_index, degrees);
+
+    text->updateRepr();
+    text->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+}
+
 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)
 {
-- 
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