Fix compatibility issue with 64-bit cygwin.

[lyx.git] / src / Text2.cpp

diff --git a/src/Text2.cpp b/src/Text2.cpp
index 0c96a81a2166bd68caf4d45147764f8b3b851b05..33fcef16990d796fbae381887859bec504b7f12a 100644 (file)
--- a/src/Text2.cpp
+++ b/src/Text2.cpp
@@ -656,6 +656,7 @@ bool Text::cursorBackward(Cursor & cur)
                                cur.textRow().pos() == cur.pos() &&
                                !cur.paragraph().isLineSeparator(cur.pos() - 1) &&
                                !cur.paragraph().isNewline(cur.pos() - 1) &&
+                               !cur.paragraph().isEnvSeparator(cur.pos() - 1) &&
                                !cur.paragraph().isSeparator(cur.pos() - 1)) {
                        return setCursor(cur, cur.pit(), cur.pos(), true, true);
                }
@@ -669,8 +670,14 @@ bool Text::cursorBackward(Cursor & cur)
        }
 
        // move to the previous paragraph or do nothing
-       if (cur.pit() > 0)
-               return setCursor(cur, cur.pit() - 1, getPar(cur.pit() - 1).size(), true, false);
+       if (cur.pit() > 0) {
+               Paragraph & par = getPar(cur.pit() - 1);
+               pos_type lastpos = par.size();
+               if (lastpos > 0 && par.isEnvSeparator(lastpos - 1))
+                       return setCursor(cur, cur.pit() - 1, lastpos - 1, true, false);
+               else
+                       return setCursor(cur, cur.pit() - 1, lastpos, true, false);
+       }
        return false;
 }
 
@@ -734,12 +741,19 @@ bool Text::cursorForward(Cursor & cur)
                        bool sep2 = cur.paragraph().isSeparator(cur.pos()+1);
                }
 #endif
-               if (cur.textRow().endpos() == cur.pos() + 1 &&
-                   cur.textRow().endpos() != cur.lastpos() &&
-                               !cur.paragraph().isNewline(cur.pos()) &&
-                               !cur.paragraph().isLineSeparator(cur.pos()) &&
-                               !cur.paragraph().isSeparator(cur.pos())) {
-                       return setCursor(cur, cur.pit(), cur.pos() + 1, true, true);
+               if (cur.textRow().endpos() == cur.pos() + 1) {
+                       if (cur.paragraph().isEnvSeparator(cur.pos()) &&
+                           cur.pos() + 1 == cur.lastpos() &&
+                           cur.pit() != cur.lastpit()) {
+                               // move to next paragraph
+                               return setCursor(cur, cur.pit() + 1, 0, true, false);
+                       } else if (cur.textRow().endpos() != cur.lastpos() &&
+                                  !cur.paragraph().isNewline(cur.pos()) &&
+                                  !cur.paragraph().isEnvSeparator(cur.pos()) &&
+                                  !cur.paragraph().isLineSeparator(cur.pos()) &&
+                                  !cur.paragraph().isSeparator(cur.pos())) {
+                               return setCursor(cur, cur.pit(), cur.pos() + 1, true, true);
+                       }
                }
                
                // in front of RTL boundary? Stay on this side of the boundary because: