diff src/redisplay-msw.c @ 1318:b531bf8658e9

[xemacs-hg @ 2003-02-21 06:56:46 by ben] redisplay fixes et al. PROBLEMS: Add comment about Cygwin, unexec and sysmalloc. Move some non-general stuff out of general. Make a section for x86. configure.in: Add check for broken alloca in funcalls. mule/mule-cmds.el: Alias file-name to native not vice-versa. Do set EOL of native but not of process output to fix various problems and be consistent with code-init.el. code-cmds.el: Return a name not a coding system. code-init.el: Reindent. Remove `file-name' since it should always be the same as native. unicode.el: Rename to load-unicode-mapping-table as suggested by the anonymous (but rather Turnbullian) comment in unicode.c. xemacs.dsp: Add /k to default build. alloc.c: Make gc_currently_forbidden static. config.h.in, lisp.h: Move some stuff to lisp.h. console-gtk.h, console-impl.h, console-msw.h, console-x.h, event-Xt.c, event-msw.c, redisplay-gtk.c, redisplay-msw.c, redisplay-output.c, redisplay-x.c, gtk-xemacs.c: Remove duplicated code to redraw exposed area. Add deadbox method needed by the generalized redraw code. Defer redrawing if already in redisplay. frame-msw.c, event-stream.c, frame.c: Add comments about calling Lisp. debug.c, general-slots.h: Move generalish symbols to general-slots.h. doprnt.c: reindent. lisp.h, dynarr.c: Add debug code for locking a dynarr to catch invalid mods. Use in redisplay.c. eval.c: file-coding.c: Define file-name as alias for native not vice-versa. frame-gtk.c, frame-x.c: Move Qwindow_id to general-slots. dialog-msw.c, glyphs-gtk.c, glyphs-msw.c, glyphs-widget.c, glyphs-x.c, gui.c, gui.h, menubar-msw.c, menubar.c: Ensure that various glyph functions that eval within redisplay protect the evals. Same for calls to internal_equal(). Modify various functions, e.g. gui_item_*(), to protect evals within redisplay, taking an in_redisplay parameter if it's possible for them to be called both inside and outside of redisplay. gutter.c: Defer specifier-changed updating till after redisplay, if necessary, since we need to enter redisplay to do it. gutter.c: Do nothing if in redisplay. lisp.h: Add version of alloca() for use in function calls. lisp.h: Add XCAD[D+]R up to 6 D's, and aliases X1ST, X2ND, etc. frame.c, frame.h, redisplay.c, redisplay.h, signal.c, toolbar.c: Redo critical-section code and move from frame.c to redisplay.c. Require that every place inside of redisplay catch errors itself, not at the edge of the critical section (thereby bypassing the rest of redisplay and leaving things in an inconsistent state). Introduce separate means of holding frame-size changes without entering a complete critical section. Introduce "post-redisplay" methods for deferring things till after redisplay. Abort if we enter redisplay reentrantly. Disable all quit checking in redisplay since it's too dangerous. Ensure that all calls to QUIT trigger an abort if unprotected. redisplay.c, scrollbar-gtk.c, scrollbar-x.c, scrollbar.c: Create enter/exit_redisplay_critical_section_maybe() for code that needs to ensure it's in a critical section but doesn't interfere with an existing critical section. sysdep.c: Use _wexecve() when under Windows NT for Unicode correctness. text.c, text.h: Add new_dfc() functions, which return an alloca()ed value rather than requiring an lvalue. (Not really used yet; used in another workspace, to come.) Add some macros for SIZED_EXTERNAL. Update the encoding aliases after involved scrutinization of the X manual. unicode.c: Answer the anonymous but suspiciously Turnbullian questions. Rename parse-unicode-translation-table to load-unicode-mapping-table, as suggested.
author ben
date Fri, 21 Feb 2003 06:57:21 +0000
parents 79c6ff3eef26
children 04bc9d2f42c7
line wrap: on
line diff
--- a/src/redisplay-msw.c	Thu Feb 20 22:52:51 2003 +0000
+++ b/src/redisplay-msw.c	Fri Feb 21 06:57:21 2003 +0000
@@ -2,7 +2,7 @@
    Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
    Copyright (C) 1994 Lucid, Inc.
    Copyright (C) 1995 Sun Microsystems, Inc.
-   Copyright (C) 2001, 2002 Ben Wing.
+   Copyright (C) 2001, 2002, 2003 Ben Wing.
 
 This file is part of XEmacs.
 
@@ -63,8 +63,6 @@
 static void mswindows_set_dc_font (HDC hdc, Lisp_Object font,
 				   int under, int strike);
 static void mswindows_output_vertical_divider (struct window *w, int clear);
-static void mswindows_redraw_exposed_windows (Lisp_Object window, int x,
-					int y, int width, int height);
 static void mswindows_output_dibitmap (struct frame *f, 
 				       Lisp_Image_Instance *p,
 				       struct display_box *db,
@@ -714,8 +712,10 @@
  * to by PRC, and paints only the intersection
  */
 static void
-mswindows_redisplay_deadbox_maybe (struct window *w, const RECT *prc)
+mswindows_redisplay_deadbox (struct window *w, int x, int y, int width,
+			     int height)
 {
+  RECT rc = { x, y, x + width, y + height };
   int sbh = window_scrollbar_height (w);
   int sbw = window_scrollbar_width (w);
   RECT rect_dead, rect_paint;
@@ -734,7 +734,7 @@
     rect_dead.top = WINDOW_TEXT_BOTTOM (w);
   rect_dead.bottom = rect_dead.top + sbh;
       
-  if (IntersectRect (&rect_paint, &rect_dead, prc))
+  if (IntersectRect (&rect_paint, &rect_dead, &rc))
     {
       struct frame *f = XFRAME (WINDOW_FRAME (w));
       FillRect (get_frame_dc (f, 1), &rect_paint,
@@ -745,133 +745,6 @@
 #endif /* HAVE_SCROLLBARS */
 
 /*****************************************************************************
- mswindows_redraw_exposed_window
-
- Given a bounding box for an area that needs to be redrawn, determine
- what parts of what lines are contained within and re-output their
- contents.
- Copied from redisplay-x.c
- ****************************************************************************/
-static void
-mswindows_redraw_exposed_window (struct window *w, int x, int y, int width,
-			   int height)
-{
-  struct frame *f = XFRAME (w->frame);
-  int line;
-  int orig_windows_structure_changed;
-  RECT rect_window = { WINDOW_LEFT (w), WINDOW_TOP (w),
-		       WINDOW_RIGHT (w), WINDOW_BOTTOM (w) };
-  RECT rect_expose = { x, y, x + width, y + height };
-  RECT rect_draw;
-
-  display_line_dynarr *cdla = window_display_lines (w, CURRENT_DISP);
-
-  if (!NILP (w->vchild))
-    {
-      mswindows_redraw_exposed_windows (w->vchild, x, y, width, height);
-      return;
-    }
-  else if (!NILP (w->hchild))
-    {
-      mswindows_redraw_exposed_windows (w->hchild, x, y, width, height);
-      return;
-    }
-
-  /* If the window doesn't intersect the exposed region, we're done here. */
-  if (!IntersectRect (&rect_draw, &rect_window, &rect_expose))
-      return;
-
-  /* We do this to make sure that the 3D modelines get redrawn if
-     they are in the exposed region. */
-  orig_windows_structure_changed = f->windows_structure_changed;
-  f->windows_structure_changed = 1;
-
-  if (window_needs_vertical_divider (w))
-    {
-      mswindows_output_vertical_divider (w, 0);
-    }
-
-  for (line = 0; line < Dynarr_length (cdla); line++)
-    {
-      struct display_line *cdl = Dynarr_atp (cdla, line);
-
-      if (DISPLAY_LINE_YPOS (cdl) + DISPLAY_LINE_HEIGHT (cdl)
-	  >= rect_draw.top)
-	{
-	  if (DISPLAY_LINE_YPOS (cdl) > rect_draw.bottom)
-	    {
-	      if (line == 0)
-		continue;
-	      else
-		break;
-	    }
-	  else
-	    {
-	      output_display_line (w, 0, cdla, line,
-				   rect_draw.left, rect_draw.right);
-	    }
-	}
-    }
-
-  f->windows_structure_changed = orig_windows_structure_changed;
-
-  /* If there have never been any face cache_elements created, then this
-     expose event doesn't actually have anything to do. */
-  if (Dynarr_largest (w->face_cachels))
-    redisplay_clear_bottom_of_window (w, cdla, rect_draw.top, rect_draw.bottom);
-
-#ifdef HAVE_SCROLLBARS
-  mswindows_redisplay_deadbox_maybe (w, &rect_expose);
-#endif
-}
-
-/*****************************************************************************
- mswindows_redraw_exposed_windows
-
- For each window beneath the given window in the window hierarchy,
- ensure that it is redrawn if necessary after an Expose event.
- ****************************************************************************/
-static void
-mswindows_redraw_exposed_windows (Lisp_Object window, int x, int y, int width,
-			    int height)
-{
-  for (; !NILP (window); window = XWINDOW (window)->next)
-    mswindows_redraw_exposed_window (XWINDOW (window), x, y, width, height);
-}
-
-/*****************************************************************************
- mswindows_redraw_exposed_area
-
- For each window on the given frame, ensure that any area in the
- Exposed area is redrawn.
- ****************************************************************************/
-void
-mswindows_redraw_exposed_area (struct frame *f, int x, int y, int width, int height)
-{
-  /* If any window on the frame has had its face cache reset then the
-     redisplay structures are effectively invalid.  If we attempt to
-     use them we'll blow up.  We mark the frame as changed to ensure
-     that redisplay will do a full update.  This probably isn't
-     necessary but it can't hurt. */
-#ifdef HAVE_TOOLBARS
-  /* #### We would rather put these off as well but there is currently
-     no combination of flags which will force an unchanged toolbar to
-     redraw anyhow. */
-  MAYBE_FRAMEMETH (f, redraw_exposed_toolbars, (f, x, y, width, height));
-#endif
-  redraw_exposed_gutters (f, x, y, width, height);
-
-  if (!f->window_face_cache_reset)
-	{
-	  mswindows_redraw_exposed_windows (f->root_window, x, y, width, height);
-	  GdiFlush();
-	}
-  else
-    MARK_FRAME_CHANGED (f);
-}
-
-
-/*****************************************************************************
  mswindows_bevel_area
 
  Draw a 3d border around the specified area on window W.
@@ -1338,15 +1211,15 @@
 
 #ifdef HAVE_SCROLLBARS
   if (WINDOWP (locale))
-    mswindows_redisplay_deadbox_maybe (XWINDOW (locale), &rect);
+    mswindows_redisplay_deadbox (XWINDOW (locale), x, y, width, height);
 #endif
 }
 
-/* XXX Implement me! */
+/* #### Implement me! */
 static void
 mswindows_clear_frame (struct frame *f)
 {
-  GdiFlush();
+  GdiFlush ();
 }
 
 
@@ -1372,6 +1245,9 @@
   CONSOLE_HAS_METHOD (mswindows, bevel_area);
   CONSOLE_HAS_METHOD (mswindows, output_string);
   CONSOLE_HAS_METHOD (mswindows, output_pixmap);
+#ifdef HAVE_SCROLLBARS
+  CONSOLE_HAS_METHOD (mswindows, redisplay_deadbox);
+#endif
 
   /* redisplay methods - printer */
   CONSOLE_HAS_METHOD (msprinter, frame_output_end);