Fix #25263: Text cursor click point is random.

- Fixed some wierd cursor placements when clicking in special text position
  (mostly when line segments had null-terminator at the max allowed position)
- Also subtract top padding, so centering is looks a bit better

diff --git a/source/blender/editors/space_text/text_ops.c b/source/blender/editors/space_text/text_ops.c
index bd291cc8fe298d572718ecd4ae96885d41dae349..c594fa7acc0b2eeb055d2f6878890168b8d9d181 100644 (file)
--- a/source/blender/editors/space_text/text_ops.c
+++ b/source/blender/editors/space_text/text_ops.c
@@ -2220,14 +2220,14 @@ static void set_cursor_to_pos(SpaceText *st, ARegion *ar, int x, int y, int sel)
        Text *text= st->text;
        TextLine **linep;
        int *charp;
-       int w, tabs;
+       int w;
 
        text_update_character_width(st);
 
        if(sel) { linep= &text->sell; charp= &text->selc; } 
        else { linep= &text->curl; charp= &text->curc; }
        
-       y= (ar->winy - y)/st->lheight;
+       y= (ar->winy - 2 - y)/st->lheight;
 
        if(st->showlinenrs)
                x-= TXT_OFFSET+TEXTXLOC;
@@ -2267,14 +2267,12 @@ static void set_cursor_to_pos(SpaceText *st, ARegion *ar, int x, int y, int sel)
                        chars= 0;
                        curs= 0;
                        endj= 0;
-                       tabs= 0;
                        for(i=0, j=0; loop; j++) {
 
                                /* Mimic replacement of tabs */
                                ch= (*linep)->line[j];
                                if(ch=='\t') {
                                        chars= st->tabnumber-i%st->tabnumber;
-                                       tabs+= chars-1;
                                        ch= ' ';
                                }
                                else
@@ -2302,7 +2300,7 @@ static void set_cursor_to_pos(SpaceText *st, ARegion *ar, int x, int y, int sel)
                                                if(found) {
                                                        /* exact cursor position was found, check if it's */
                                                        /* still on needed line (hasn't been wrapped) */
-                                                       if(*charp>endj && !chop) (*charp)= endj;
+                                                       if(*charp>endj && !chop && ch!='\0') (*charp)= endj;
                                                        loop= 0;
                                                        break;
                                                }
@@ -2311,7 +2309,7 @@ static void set_cursor_to_pos(SpaceText *st, ARegion *ar, int x, int y, int sel)
                                                start= end;
                                                end += max;
 
-                                               if(start-tabs<(*linep)->len)
+                                               if(j<(*linep)->len)
                                                        y--;
 
                                                chop= 1;
@@ -2340,13 +2338,13 @@ static void set_cursor_to_pos(SpaceText *st, ARegion *ar, int x, int y, int sel)
                                }
                                if(ch=='\0') break;
                        }
-                       if(!loop || y<0) break;
+                       if(!loop || found) break;
 
                        if(!(*linep)->next) {
                                *charp= (*linep)->len;
                                break;
                        }
-                       
+
                        /* On correct line but didn't meet cursor, must be at end */
                        if(y==0) {
                                *charp= (*linep)->len;