Fixed redraw range in Multiline Input with wordwrapping for space characters and for undo.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4523 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

2 files changed, 13 insertions, 2 deletions

diff --git a/CHANGES b/CHANGES
index 2ae116490..b30e3a962 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,8 @@ CHANGES IN FLTK 1.1.7
 	- Documentation fixes (STR #571, STR #648, STR #692, STR
 	  #730, STR #744, STR #745, STR #931, STR #942, STR #960,
 	  STR #969)
+	- Multiline Input will update right if a space character is
+	  inserted in word wrap mode (STR #981)
 	- FLUID group labels redraw correctly (STR #959)
 	- FLUID now updates color of Fl_Tabs children (STR #979)
 	- FLUID now supports 'size_range()' (STR #851)
diff --git a/src/Fl_Input_.cxx b/src/Fl_Input_.cxx
index d851cba94..1792a3fc6 100644
--- a/src/Fl_Input_.cxx
+++ b/src/Fl_Input_.cxx
@@ -592,8 +592,15 @@ int Fl_Input_::replace(int b, int e, const char* text, int ilen) {
   // right after the whitespace before the current word.  This will
   // result in sub-optimal update when such wrapping does not happen
   // but it is too hard to figure out for now...
-  if (wrap())
-    while (b > 0 && !isspace(index(b) & 255)) b--;
+  if (wrap()) {
+    // if there is a space in the pasted text, the whole line may have rewrapped
+    for (int i=0; i<ilen; i++) 
+      if (text[i]==' ') break;
+    if (i==ilen)
+      while (b > 0 && !isspace(index(b) & 255) && index(b)!='\n') b--;
+    else
+      while (b > 0 && index(b)!='\n') b--;
+  }
 
   // make sure we redraw the old selection or cursor:
   if (mark_ < b) b = mark_;
@@ -640,6 +647,8 @@ int Fl_Input_::undo() {
   mark_ = b /* -ilen */;
   position_ = b;
 
+  if (wrap())
+    while (b1 > 0 && index(b1)!='\n') b1--;
   minimal_update(b1);
   set_changed();
   if (when()&FL_WHEN_CHANGED) do_callback();