master 80951f764b: Fix frame invalidation on Haiku

[Po Lu]

branch: master
commit 80951f764b7053f93d69ac5c73c0e504ab308450
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Fix frame invalidation on Haiku
    
    * src/haiku_support.cc (FlipBuffers): Only set view bitmap if it
    actually changed.
    
    * src/haikuterm.c (haiku_clip_to_string_exactly)
    (haiku_draw_window_cursor, haiku_draw_fringe_bitmap): Fix region
    invalidation.
---
 src/haiku_support.cc |  9 +++++----
 src/haikuterm.c      | 13 ++++++++++++-
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/haiku_support.cc b/src/haiku_support.cc
index cb9dfabc4e..6caf8049d1 100644
--- a/src/haiku_support.cc
+++ b/src/haiku_support.cc
@@ -1619,16 +1619,17 @@ public:
        copy_bitmap = NULL;
       }
     if (!copy_bitmap)
-      copy_bitmap = new BBitmap (offscreen_draw_bitmap_1);
+      {
+       copy_bitmap = new BBitmap (offscreen_draw_bitmap_1);
+       SetViewBitmap (copy_bitmap, Frame (),
+                      Frame (), B_FOLLOW_NONE, 0);
+      }
     else
       copy_bitmap->ImportBits (offscreen_draw_bitmap_1);
 
     if (copy_bitmap->InitCheck () != B_OK)
       gui_abort ("Failed to init copy bitmap during buffer flip");
 
-    SetViewBitmap (copy_bitmap,
-                  Frame (), Frame (), B_FOLLOW_NONE, 0);
-
     Invalidate (&invalid_region);
     invalid_region.MakeEmpty ();
     UnlockLooper ();
diff --git a/src/haikuterm.c b/src/haikuterm.c
index 28ab66c9bc..a740331482 100644
--- a/src/haikuterm.c
+++ b/src/haikuterm.c
@@ -204,6 +204,8 @@ haiku_clip_to_string_exactly (struct glyph_string *s, 
struct glyph_string *dst)
 {
   BView_ClipToRect (FRAME_HAIKU_VIEW (s->f), s->x, s->y,
                    s->width, s->height);
+  BView_invalidate_region (FRAME_HAIKU_VIEW (s->f), s->x,
+                          s->y, s->width, s->height);
 }
 
 static void
@@ -2087,10 +2089,12 @@ haiku_draw_window_cursor (struct window *w,
     case DEFAULT_CURSOR:
     case NO_CURSOR:
       break;
+
     case HBAR_CURSOR:
       BView_FillRectangle (view, fx, fy, w->phys_cursor_width, h);
       BView_invalidate_region (view, fx, fy, w->phys_cursor_width, h);
       break;
+
     case BAR_CURSOR:
       if (cursor_glyph->resolved_level & 1)
        {
@@ -2104,6 +2108,7 @@ haiku_draw_window_cursor (struct window *w,
 
       BView_invalidate_region (view, fx, fy, w->phys_cursor_width, h);
       break;
+
     case HOLLOW_BOX_CURSOR:
       if (phys_cursor_glyph->type != IMAGE_GLYPH)
        {
@@ -2115,6 +2120,7 @@ haiku_draw_window_cursor (struct window *w,
 
       BView_invalidate_region (view, fx, fy, w->phys_cursor_width, h);
       break;
+
     case FILLED_BOX_CURSOR:
       draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
     }
@@ -2575,13 +2581,18 @@ haiku_draw_fringe_bitmap (struct window *w, struct 
glyph_row *row,
   face = p->face;
 
   block_input ();
-  BView_draw_lock (view, true, p->x, p->y, p->wd, p->h);
+  BView_draw_lock (view, true, 0, 0, 0, 0);
   BView_StartClip (view);
 
+  if (p->wd && p->h)
+    BView_invalidate_region (view, p->x, p->y, p->wd, p->h);
+
   haiku_clip_to_row (w, row, ANY_AREA);
 
   if (p->bx >= 0 && !p->overlay_p)
     {
+      BView_invalidate_region (view, p->bx, p->by, p->nx, p->ny);
+
       if (!face->stipple)
        {
          BView_SetHighColor (view, face->background);