XEmacs 21.2.9

[chise/xemacs-chise.git.1] / src / redisplay.h

diff --git a/src/redisplay.h b/src/redisplay.h
index 9059d4c..aa6f742 100644 (file)
--- a/src/redisplay.h
+++ b/src/redisplay.h
@@ -270,6 +270,11 @@ struct display_line
   glyph_block_dynarr *right_glyphs;
 };
 
+#define DISPLAY_LINE_HEIGHT(dl) \
+(dl->ascent + dl->descent - dl->clip)
+#define DISPLAY_LINE_YPOS(dl) \
+(dl->ypos - dl->ascent)
+
 typedef struct
 {
   Dynarr_declare (display_line);
@@ -350,6 +355,11 @@ extern int frame_changed;
 extern int glyphs_changed;
 extern int glyphs_changed_set;
 
+/* True if any displayed subwindow is in need of updating
+   somewhere. */
+extern int subwindows_changed;
+extern int subwindows_changed_set;
+
 /* True if an icon is in need of updating somewhere. */
 extern int icon_changed;
 extern int icon_changed_set;
@@ -417,6 +427,7 @@ extern int windows_structure_changed;
 #define MARK_POINT_CHANGED MARK_TYPE_CHANGED (point)
 #define MARK_TOOLBAR_CHANGED MARK_TYPE_CHANGED (toolbar)
 #define MARK_GLYPHS_CHANGED MARK_TYPE_CHANGED (glyphs)
+#define MARK_SUBWINDOWS_CHANGED MARK_TYPE_CHANGED (subwindows)
 
 /* Anytime a console, device or frame is added or deleted we need to reset
    these flags. */
@@ -431,6 +442,7 @@ extern int windows_structure_changed;
     point_changed_set = 0;             \
     toolbar_changed_set = 0;           \
     glyphs_changed_set = 0;            \
+    subwindows_changed_set = 0;                \
   } while (0)
 
 \f
@@ -547,6 +559,14 @@ int compute_line_start_cache_dynarr_usage (line_start_cache_dynarr *dyn,
 int get_next_display_block (layout_bounds bounds,
                            display_block_dynarr *dba, int start_pos,
                            int *next_start);
+void redisplay_output_subwindow (struct window *w, struct display_line *dl,
+                                Lisp_Object image_instance, int xpos,
+                                int xoffset, int start_pixpos, int width,
+                                face_index findex, int cursor_start, 
+                                int cursor_width, int cursor_height);
+void redisplay_unmap_subwindows_maybe (struct frame* f, int x, int y, int width, int height);
+void redisplay_clear_region (Lisp_Object window, face_index findex, int x,
+                            int y, int width, int height);
 void redisplay_clear_bottom_of_window (struct window *w,
                                       display_line_dynarr *ddla,
                                       int min_start, int max_end);