restored the XSync in update_region and removed XSync on connection close - gsl-shell.git - gsl-shell

diff --git a/agg-plot/agg_platform_support_x11.cpp b/agg-plot/agg_platform_support_x11.cpp
index b0bd5cc3..65a7c601 100644
--- a/agg-plot/agg_platform_support_x11.cpp
+++ b/agg-plot/agg_platform_support_x11.cpp

@@ -78,7 +78,6 @@ void x_connection::close()

{

if (display && !m_busy)

{

- XSync(display, True);

XCloseDisplay(display);

display = 0;

}

@@ -729,15 +728,6 @@ namespace agg

xc->busy(true);

- if(!m_wait_mode)

- {

- if(XPending(xc->display) == 0)

- {

- on_idle();

- continue;

- }

- }

-

XEvent x_event;

if (ps->m_is_mapped)

{

@@ -749,19 +739,6 @@ namespace agg

{

XNextEvent(xc->display, &x_event);

}

-

- // In the Idle mode discard all intermediate MotionNotify events

- if(!m_wait_mode && x_event.type == MotionNotify)

- {

- XEvent te = x_event;

- for(;;)

- {

- if(XPending(xc->display) == 0) break;

- XNextEvent(xc->display, &te);

- if(te.type != MotionNotify) break;

- }

- x_event = te;

- }

xc->busy(false);

@@ -792,6 +769,8 @@ namespace agg

if (ps->m_main_img == 0 || ps->m_draw_img == 0)

{

+ if (ps->m_main_img) delete ps->m_main_img;

+ if (ps->m_draw_img) delete ps->m_draw_img;

quit = true;

ret = 1;

break;

@@ -1129,8 +1108,7 @@ platform_support_ext::update_region (const agg::rect_base<int>& r)

// the X server does not accumulate mouse motion events.

// When m_wait_mode is false, i.e. we have some idle drawing

// we cannot afford to miss any events

- // XSync(xd->display, wait_mode());

- XFlush(xd->display);

+ XSync(xd->display, wait_mode());

}

void