Track whether selection is active or not

3 files changed, 14 insertions, 0 deletions

diff --git a/src/frame.c b/src/frame.c
index 5a7da8e..866ae31 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -603,6 +603,16 @@ static size_t text_para_pos(Paragraph *para, double x, double y, int *ptrail)
 }
 
 
+
+int positions_equal(struct edit_pos a, struct edit_pos b)
+{
+	if ( a.para != b.para ) return 0;
+	if ( a.pos != b.pos ) return 0;
+	if ( a.trail != b.trail ) return 0;
+	return 1;
+}
+
+
 void sort_positions(struct edit_pos *a, struct edit_pos *b)
 {
 	if ( a->para > b->para ) {
diff --git a/src/frame.h b/src/frame.h
index 787a2ec..b6ae617 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -157,6 +157,8 @@ extern int find_cursor_2(struct frame *fr, double x, double y,
 
 extern void sort_positions(struct edit_pos *a, struct edit_pos *b);
 
+extern int positions_equal(struct edit_pos a, struct edit_pos b);
+
 extern int get_para_highlight(struct frame *fr, int cursor_para,
                               double *cx, double *cy, double *cw, double *ch);
 
diff --git a/src/sc_editor.c b/src/sc_editor.c
index ddaaedc..a3754a6 100644
--- a/src/sc_editor.c
+++ b/src/sc_editor.c
@@ -1022,6 +1022,7 @@ static void unset_selection(SCEditor *e)
 		a = e->sel_end.para;
 		b = e->sel_start.para;
 	}
+	e->sel_active = 0;
 	rewrap_paragraph_range(e->top, a, b, e->sel_start, e->sel_end, 0);
 }
 
@@ -1185,6 +1186,7 @@ static gboolean motion_sig(GtkWidget *da, GdkEventMotion *event,
 		                       e->sel_start, e->sel_end, 1);
 		find_cursor(fr, x-fr->x, y-fr->y, &e->cursor_para,
 		            &e->cursor_pos, &e->cursor_trail);
+		e->sel_active = !positions_equal(e->sel_start, e->sel_end);
 		sc_editor_redraw(e);
 		break;