1 files changed, 54 insertions, 0 deletions
diff --git a/desktop/textinput.c b/desktop/textinput.c
index b2232e6bd..a941cc86b 100644
--- a/desktop/textinput.c
+++ b/desktop/textinput.c
@@ -75,6 +75,60 @@ static bool word_right(const char *text, int len, int *poffset, int *pchars);
 
 
 /**
+ * Remove the given text caret from the window by invalidating it
+ * and causing its former position to be redrawn.
+ *
+ * \param c  structure describing text caret
+ */
+
+void caret_remove(struct caret *c)
+{
+	if (c->defined) {
+		int w = (c->height + 7) / 8;
+		int xc = c->x;
+		c->defined = false;
+		browser_window_redraw_rect(c->bw, xc - w, c->y, 2 * w, c->height);
+	}
+}
+
+
+/**
+ * Set the given text caret's position within the window (text box
+ * and byte/pixel offsets within the UTF-8 content of that text box)
+ * and draw it.
+ *
+ * \param  c    structure describing text caret
+ * \param  bw   browser window containing caret
+ * \param  box  INLINE box containing caret
+ * \param  char_offset   byte offset within UTF-8 representation
+ * \param  pixel_offset  from left side of box
+ */
+
+void caret_set_position(struct caret *c, struct browser_window *bw,
+		struct box *text_box, int char_offset, int pixel_offset)
+{
+	struct rect r;
+	int xc;
+	int w;
+
+	box_bounds(text_box, &r);
+
+	c->bw = bw;
+	c->text_box = text_box;
+	c->char_offset = char_offset;
+
+	c->x = xc = r.x0 + pixel_offset;
+	c->y = r.y0;
+	c->height = r.y1 - r.y0;
+	w = (c->height + 7) / 8;
+
+	c->defined = true;
+
+	browser_window_redraw_rect(c->bw, xc - w, c->y, w * 2, c->height);
+}
+
+
+/**
  * Given the x,y co-ordinates of a point within a textarea, return the
  * INLINE box pointer, and the character and pixel offsets within that
  * box at which the caret should be positioned. (eg. for mouse clicks,