diff options
| author | Karl Berry <karl@freefriends.org> | 2018-01-17 00:51:27 +0000 |
|---|---|---|
| committer | Karl Berry <karl@freefriends.org> | 2018-01-17 00:51:27 +0000 |
| commit | a9f3323d7b51bc2dc022e421d134cac02a665272 (patch) | |
| tree | 8700410a22473b7409c2d848aa8845b9db5f2d45 | |
| parent | 3814fe62e5aeab19e2da1368a8d176f38335be7e (diff) | |
mf+toolkit: handle initial expose
git-svn-id: svn://tug.org/texlive/trunk@46342 c570f23f-e606-0410-a88d-b1316a301751
| -rw-r--r-- | Build/source/texk/web2c/window/ChangeLog | 5 | ||||
| -rw-r--r-- | Build/source/texk/web2c/window/x11-Xt.c | 17 |
2 files changed, 17 insertions, 5 deletions
diff --git a/Build/source/texk/web2c/window/ChangeLog b/Build/source/texk/web2c/window/ChangeLog index cc36fd55752..ed6d0165dd2 100644 --- a/Build/source/texk/web2c/window/ChangeLog +++ b/Build/source/texk/web2c/window/ChangeLog @@ -1,3 +1,8 @@ +2018-01-16 Paul Vojta <vojta@math.berkeley.edu> + + * x11-Xt.c: attempt to handle initial expose for mf. + http://tug.org/pipermail/tex-k/2017-May/002783.html + 2015-03-31 Peter Breitenlohner <peb@mppmu.mpg.de> * mftalk.h (new): Moved to here from ../mftalk.h. diff --git a/Build/source/texk/web2c/window/x11-Xt.c b/Build/source/texk/web2c/window/x11-Xt.c index 64d4f86e639..b7c9c25c405 100644 --- a/Build/source/texk/web2c/window/x11-Xt.c +++ b/Build/source/texk/web2c/window/x11-Xt.c @@ -42,7 +42,8 @@ static mf_resources_struct mf_x11_resources; /* Don't paint anything until we're mapped. */ -static Boolean mf_mapped; +static Boolean mf_mapped = False; +static Boolean mf_awaiting_expose = True; #ifdef MF_XT_DEBUG static int mf_max_x, mf_max_y; @@ -150,10 +151,8 @@ mf_x11_initscreen (void) sits in XTMainLoop, if the server supports backing store and save unders this will help keep the output looking nice. */ - xwa.backing_store = Always; - xwa.save_under = True; - XChangeWindowAttributes (mf_display, mf_window, - CWBackingStore | CWSaveUnder, &xwa); + xwa.backing_store = WhenMapped; + XChangeWindowAttributes (mf_display, mf_window, CWBackingStore, &xwa); gcv.background = mf_x11_resources.mf_bg; gcv.foreground = mf_x11_resources.mf_fg; @@ -174,7 +173,14 @@ mf_x11_initscreen (void) void mf_x11_updatescreen (void) { + XEvent event; + mf_events (); + while (mf_awaiting_expose) + { + XtAppNextEvent (mf_app, &event); + XtDispatchEvent (&event); + } mf_redraw (); #ifdef MF_XT_DEBUG @@ -327,6 +333,7 @@ mf_repaint(Widget w, XtPointer data, XEvent *ev) continue; mf_redraw (); + mf_awaiting_expose = False; } } |