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Detect XRender support 

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10622 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Lauri Kasanen 2015-03-16 11:07:00 +00:00
parent fdab34b20e
commit a6c4b29a18
4 changed files with 35 additions and 0 deletions
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1
FL/x.H
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@ -161,6 +161,7 @@ public:
static void x(Fl_Window* wi, int X) {wi->x(X);}
static void y(Fl_Window* wi, int Y) {wi->y(Y);}
static int ewmh_supported();
static int xrender_supported();
static void activate_window(Window w);
};

8
configh.in
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@ -123,6 +123,14 @@
#define HAVE_XCURSOR 0
/*
* HAVE_XRENDER:
*
* Do we have the X render library?
*/
#define HAVE_XRENDER 0
/*
* __APPLE_QUARTZ__:
*

10
configure.in
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@ -1018,6 +1018,16 @@ case $host_os_gui in
LIBS="-lXcursor $LIBS")
fi
dnl Check for the Xrender library unless disabled...
AC_ARG_ENABLE(xrender, [ --enable-xrender turn on Xrender support [[default=yes]]])
if test x$enable_xrender != xno; then
AC_CHECK_HEADER(X11/extensions/Xrender.h, AC_DEFINE(HAVE_XRENDER),,
[#include <X11/Xlib.h>])
AC_CHECK_LIB(Xrender, XRenderQueryVersion,
LIBS="-lXrender $LIBS")
fi
dnl Check for overlay visuals...
AC_PATH_PROG(XPROP, xprop)
AC_CACHE_CHECK(for X overlay visuals, ac_cv_have_overlay,

16
src/Fl_x.cxx
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@ -69,6 +69,9 @@ static bool have_xfixes = false;
# if HAVE_XCURSOR
# include <X11/Xcursor/Xcursor.h>
# endif
# if HAVE_XRENDER
# include <X11/extensions/Xrender.h>
# endif
static Fl_Xlib_Graphics_Driver fl_xlib_driver;
static Fl_Display_Device fl_xlib_display(&fl_xlib_driver);
Fl_Display_Device *Fl_Display_Device::_display = &fl_xlib_display;// the platform display
@ -2230,6 +2233,19 @@ int Fl_X::ewmh_supported() {
return result;
}
int Fl_X::xrender_supported() {
static int result = -1;
if (result == -1) {
fl_open_display();
int nop1, nop2;
result = XRenderQueryExtension(fl_display, &nop1, &nop2);
}
return result;
}
extern Fl_Window *fl_xfocus;
void Fl_X::activate_window(Window w) {