llvm-gcc-4.2/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkRobotPeer.c - llvm-archive - Git at Google

 /* gdkrobotpeer.c
    Copyright (C) 2004 Free Software Foundation, Inc.

 This file is part of GNU Classpath.

 GNU Classpath is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.

 GNU Classpath is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with GNU Classpath; see the file COPYING.  If not, write to the
 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 02110-1301 USA.

 Linking this library statically or dynamically with other modules is
 making a combined work based on this library.  Thus, the terms and
 conditions of the GNU General Public License cover the whole
 combination.

 As a special exception, the copyright holders of this library give you
 permission to link this library with independent modules to produce an
 executable, regardless of the license terms of these independent
 modules, and to copy and distribute the resulting executable under
 terms of your choice, provided that you also meet, for each linked
 independent module, the terms and conditions of the license of that
 module.  An independent module is a module which is not derived from
 or based on this library.  If you modify this library, you may extend
 this exception to your version of the library, but you are not
 obligated to do so.  If you do not wish to do so, delete this
 exception statement from your version. */

 #include "gtkpeer.h"
 #include "gnu_java_awt_peer_gtk_GdkRobotPeer.h"
 #include <gdk/gdkx.h>
 #include <X11/extensions/XTest.h>

 static int
 awt_button_mask_to_num (int buttons)
 {
   switch (buttons)
     {
     case AWT_BUTTON1_MASK:
       return 1;
     case AWT_BUTTON2_MASK:
       return 2;
     case AWT_BUTTON3_MASK:
       return 3;
     }

   return 0;
 }

 JNIEXPORT jboolean JNICALL
 Java_gnu_java_awt_peer_gtk_GdkRobotPeer_initXTest
   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
 {
   GdkDisplay *display;
   Display *xdisplay;
   int event_basep;
   int error_basep;
   int majorp;
   int minorp;
   jboolean result;

   gdk_threads_enter ();

   display = gdk_display_get_default ();
   xdisplay = GDK_DISPLAY_XDISPLAY (display);

   result = XTestQueryExtension (xdisplay,
 				&event_basep,
 				&error_basep,
 				&majorp,
 				&minorp);

   gdk_threads_leave ();

   return result;
 }

 JNIEXPORT void JNICALL
 Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseMove
   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint x, jint y)
 {
   GdkDisplay *display;
   Display *xdisplay;
   int result;

   gdk_threads_enter ();

   display = gdk_display_get_default ();
   xdisplay = GDK_DISPLAY_XDISPLAY (display);

   result = XTestFakeMotionEvent (xdisplay,
 				 -1,
 				 x, y, CurrentTime);

   XFlush (xdisplay);

   gdk_threads_leave ();
 }

 JNIEXPORT void JNICALL
 Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mousePress
   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint buttons)
 {
   GdkDisplay *display;
   Display *xdisplay;
   int result;

   gdk_threads_enter ();

   display = gdk_display_get_default ();
   xdisplay = GDK_DISPLAY_XDISPLAY (display);

   result = XTestFakeButtonEvent (xdisplay,
 				 awt_button_mask_to_num (buttons),
 				 True, CurrentTime);

   XFlush (xdisplay);

   gdk_threads_leave ();
 }

 JNIEXPORT void JNICALL
 Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseRelease
   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint buttons)
 {
   GdkDisplay *display;
   Display *xdisplay;
   int result;

   gdk_threads_enter ();

   display = gdk_display_get_default ();
   xdisplay = GDK_DISPLAY_XDISPLAY (display);

   result = XTestFakeButtonEvent (xdisplay,
 				 awt_button_mask_to_num (buttons),
 				 False, CurrentTime);

   XFlush (xdisplay);

   gdk_threads_leave ();
 }

 JNIEXPORT void JNICALL
 Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseWheel
   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint wheelAmt)
 {
   GdkDisplay *display;
   Display *xdisplay;
   int i = 0;

   gdk_threads_enter ();

   display = gdk_display_get_default ();
   xdisplay = GDK_DISPLAY_XDISPLAY (display);

   if (wheelAmt < 0)
     for (i = 0; i < -wheelAmt; i++)
       {
 	XTestFakeButtonEvent (xdisplay,
 			      4,
 			      True, CurrentTime);
 	XTestFakeButtonEvent (xdisplay,
 			      4,
 			      False, CurrentTime);
       }
   else
     for (i = 0; i < wheelAmt; i++)
       {
 	XTestFakeButtonEvent (xdisplay,
 			      5,
 			      True, CurrentTime);
 	XTestFakeButtonEvent (xdisplay,
 			      5,
 			      False, CurrentTime);
       }

   XFlush (xdisplay);

   gdk_threads_leave ();
 }

 JNIEXPORT void JNICALL
 Java_gnu_java_awt_peer_gtk_GdkRobotPeer_keyPress
   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint keycode)
 {
   GdkDisplay *display;
   Display *xdisplay;
   GdkKeymapKey *keymap_keys = NULL;
   gint n_keys = 0;
   guint lookup_keyval = 0;
   int result;

   gdk_threads_enter ();

   display = gdk_display_get_default ();
   xdisplay = GDK_DISPLAY_XDISPLAY (display);

   lookup_keyval = cp_gtk_awt_keycode_to_keysym (keycode,
                                                        AWT_KEY_LOCATION_LEFT);

   if (!gdk_keymap_get_entries_for_keyval (gdk_keymap_get_default (),
                                           lookup_keyval,
                                           &keymap_keys,
                                           &n_keys))
     {
       /* No matching keymap entry was found. */
       g_printerr ("No matching keymap entries were found\n");
       gdk_threads_leave ();
       return;
     }

   /* If n_keys > 1 then there are multiple hardware keycodes that
      translate to lookup_keyval.  We arbitrarily choose the first
      hardware keycode from the list returned by
      gdk_keymap_get_entries_for_keyval. */
   result = XTestFakeKeyEvent (xdisplay,
 			      keymap_keys[0].keycode,
 			      True, CurrentTime);

   g_free (keymap_keys);

   XFlush (xdisplay);

   gdk_threads_leave ();
 }

 JNIEXPORT void JNICALL
 Java_gnu_java_awt_peer_gtk_GdkRobotPeer_keyRelease
   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint keycode)
 {
   GdkDisplay *display;
   Display *xdisplay;
   GdkKeymapKey *keymap_keys = NULL;
   gint n_keys = 0;
   guint lookup_keyval = 0;
   int result;

   gdk_threads_enter ();

   display = gdk_display_get_default ();
   xdisplay = GDK_DISPLAY_XDISPLAY (display);

   lookup_keyval = cp_gtk_awt_keycode_to_keysym (keycode,
                                                        AWT_KEY_LOCATION_LEFT);

   if (!gdk_keymap_get_entries_for_keyval (gdk_keymap_get_default (),
                                           lookup_keyval,
                                           &keymap_keys,
                                           &n_keys))
     {
       /* No matching keymap entry was found. */
       g_printerr ("No matching keymap entries were found\n");
       gdk_threads_leave ();
       return;
     }

   /* If n_keys > 1 then there are multiple hardware keycodes that
      translate to lookup_keyval.  We arbitrarily choose the first
      hardware keycode from the list returned by
      gdk_keymap_get_entries_for_keyval. */
   result = XTestFakeKeyEvent (xdisplay,
 			      keymap_keys[0].keycode,
 			      False, CurrentTime);

   g_free (keymap_keys);

   XFlush (xdisplay);

   gdk_threads_leave ();
 }

 JNIEXPORT jintArray JNICALL
 Java_gnu_java_awt_peer_gtk_GdkRobotPeer_nativeGetRGBPixels
   (JNIEnv *env, jobject obj __attribute__((unused)), jint x, jint y,
    jint width, jint height)
 {
   jint stride_bytes, stride_pixels, n_channels, n_pixels;
   jintArray jpixels;
   jint *java_pixels;
   guchar *gdk_pixels;
   GdkPixbuf *pixbuf_no_alpha = NULL;
   GdkPixbuf *pixbuf = NULL;

 #ifndef WORDS_BIGENDIAN
   int i;
 #endif

   gdk_threads_enter ();

   pixbuf_no_alpha = gdk_pixbuf_get_from_drawable (NULL,
 						  gdk_get_default_root_window (),
 						  NULL, x, y, 0, 0,
 						  width, height);

   pixbuf = gdk_pixbuf_add_alpha(pixbuf_no_alpha, FALSE, 0, 0, 0);
   g_assert (gdk_pixbuf_get_has_alpha (pixbuf));

   stride_bytes = gdk_pixbuf_get_rowstride (pixbuf);
   n_channels = gdk_pixbuf_get_n_channels (pixbuf);
   stride_pixels =  stride_bytes / n_channels;
   n_pixels = height * stride_pixels;
   gdk_pixels = gdk_pixbuf_get_pixels (pixbuf);

   jpixels = (*env)->NewIntArray (env, n_pixels);

   java_pixels = (*env)->GetIntArrayElements (env, jpixels, NULL);

   memcpy (java_pixels,
 	  gdk_pixels,
 	  (height * stride_bytes));

 #ifndef WORDS_BIGENDIAN
   /* convert pixels from 0xBBGGRRAA to 0xAARRGGBB */
   for (i = 0; i < n_pixels; ++i)
     {
       java_pixels[i] = SWAPU32 ((unsigned)java_pixels[i]);
     }
 #endif

   g_object_unref (pixbuf);

   (*env)->ReleaseIntArrayElements (env, jpixels, java_pixels, 0);

   gdk_threads_leave ();

   return jpixels;
 }
	/* gdkrobotpeer.c
	Copyright (C) 2004 Free Software Foundation, Inc.

	This file is part of GNU Classpath.

	GNU Classpath is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2, or (at your option)
	any later version.

	GNU Classpath is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with GNU Classpath; see the file COPYING. If not, write to the
	Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	02110-1301 USA.

	Linking this library statically or dynamically with other modules is
	making a combined work based on this library. Thus, the terms and
	conditions of the GNU General Public License cover the whole
	combination.

	As a special exception, the copyright holders of this library give you
	permission to link this library with independent modules to produce an
	executable, regardless of the license terms of these independent
	modules, and to copy and distribute the resulting executable under
	terms of your choice, provided that you also meet, for each linked
	independent module, the terms and conditions of the license of that
	module. An independent module is a module which is not derived from
	or based on this library. If you modify this library, you may extend
	this exception to your version of the library, but you are not
	obligated to do so. If you do not wish to do so, delete this
	exception statement from your version. */

	#include "gtkpeer.h"
	#include "gnu_java_awt_peer_gtk_GdkRobotPeer.h"
	#include <gdk/gdkx.h>
	#include <X11/extensions/XTest.h>

	static int
	awt_button_mask_to_num (int buttons)
	{
	switch (buttons)
	{
	case AWT_BUTTON1_MASK:
	return 1;
	case AWT_BUTTON2_MASK:
	return 2;
	case AWT_BUTTON3_MASK:
	return 3;
	}

	return 0;
	}

	JNIEXPORT jboolean JNICALL
	Java_gnu_java_awt_peer_gtk_GdkRobotPeer_initXTest
	(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
	{
	GdkDisplay *display;
	Display *xdisplay;
	int event_basep;
	int error_basep;
	int majorp;
	int minorp;
	jboolean result;

	gdk_threads_enter ();

	display = gdk_display_get_default ();
	xdisplay = GDK_DISPLAY_XDISPLAY (display);

	result = XTestQueryExtension (xdisplay,
	&event_basep,
	&error_basep,
	&majorp,
	&minorp);

	gdk_threads_leave ();

	return result;
	}

	JNIEXPORT void JNICALL
	Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseMove
	(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint x, jint y)
	{
	GdkDisplay *display;
	Display *xdisplay;
	int result;

	gdk_threads_enter ();

	display = gdk_display_get_default ();
	xdisplay = GDK_DISPLAY_XDISPLAY (display);

	result = XTestFakeMotionEvent (xdisplay,
	-1,
	x, y, CurrentTime);

	XFlush (xdisplay);

	gdk_threads_leave ();
	}

	JNIEXPORT void JNICALL
	Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mousePress
	(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint buttons)
	{
	GdkDisplay *display;
	Display *xdisplay;
	int result;

	gdk_threads_enter ();

	display = gdk_display_get_default ();
	xdisplay = GDK_DISPLAY_XDISPLAY (display);

	result = XTestFakeButtonEvent (xdisplay,
	awt_button_mask_to_num (buttons),
	True, CurrentTime);

	XFlush (xdisplay);

	gdk_threads_leave ();
	}

	JNIEXPORT void JNICALL
	Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseRelease
	(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint buttons)
	{
	GdkDisplay *display;
	Display *xdisplay;
	int result;

	gdk_threads_enter ();

	display = gdk_display_get_default ();
	xdisplay = GDK_DISPLAY_XDISPLAY (display);

	result = XTestFakeButtonEvent (xdisplay,
	awt_button_mask_to_num (buttons),
	False, CurrentTime);

	XFlush (xdisplay);

	gdk_threads_leave ();
	}

	JNIEXPORT void JNICALL
	Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseWheel
	(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint wheelAmt)
	{
	GdkDisplay *display;
	Display *xdisplay;
	int i = 0;

	gdk_threads_enter ();

	display = gdk_display_get_default ();
	xdisplay = GDK_DISPLAY_XDISPLAY (display);

	if (wheelAmt < 0)
	for (i = 0; i < -wheelAmt; i++)
	{
	XTestFakeButtonEvent (xdisplay,
	4,
	True, CurrentTime);
	XTestFakeButtonEvent (xdisplay,
	4,
	False, CurrentTime);
	}
	else
	for (i = 0; i < wheelAmt; i++)
	{
	XTestFakeButtonEvent (xdisplay,
	5,
	True, CurrentTime);
	XTestFakeButtonEvent (xdisplay,
	5,
	False, CurrentTime);
	}

	XFlush (xdisplay);

	gdk_threads_leave ();
	}

	JNIEXPORT void JNICALL
	Java_gnu_java_awt_peer_gtk_GdkRobotPeer_keyPress
	(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint keycode)
	{
	GdkDisplay *display;
	Display *xdisplay;
	GdkKeymapKey *keymap_keys = NULL;
	gint n_keys = 0;
	guint lookup_keyval = 0;
	int result;

	gdk_threads_enter ();

	display = gdk_display_get_default ();
	xdisplay = GDK_DISPLAY_XDISPLAY (display);

	lookup_keyval = cp_gtk_awt_keycode_to_keysym (keycode,
	AWT_KEY_LOCATION_LEFT);

	if (!gdk_keymap_get_entries_for_keyval (gdk_keymap_get_default (),
	lookup_keyval,
	&keymap_keys,
	&n_keys))
	{
	/* No matching keymap entry was found. */
	g_printerr ("No matching keymap entries were found\n");
	gdk_threads_leave ();
	return;
	}

	/* If n_keys > 1 then there are multiple hardware keycodes that
	translate to lookup_keyval. We arbitrarily choose the first
	hardware keycode from the list returned by
	gdk_keymap_get_entries_for_keyval. */
	result = XTestFakeKeyEvent (xdisplay,
	keymap_keys[0].keycode,
	True, CurrentTime);

	g_free (keymap_keys);

	XFlush (xdisplay);

	gdk_threads_leave ();
	}

	JNIEXPORT void JNICALL
	Java_gnu_java_awt_peer_gtk_GdkRobotPeer_keyRelease
	(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint keycode)
	{
	GdkDisplay *display;
	Display *xdisplay;
	GdkKeymapKey *keymap_keys = NULL;
	gint n_keys = 0;
	guint lookup_keyval = 0;
	int result;

	gdk_threads_enter ();

	display = gdk_display_get_default ();
	xdisplay = GDK_DISPLAY_XDISPLAY (display);

	lookup_keyval = cp_gtk_awt_keycode_to_keysym (keycode,
	AWT_KEY_LOCATION_LEFT);

	if (!gdk_keymap_get_entries_for_keyval (gdk_keymap_get_default (),
	lookup_keyval,
	&keymap_keys,
	&n_keys))
	{
	/* No matching keymap entry was found. */
	g_printerr ("No matching keymap entries were found\n");
	gdk_threads_leave ();
	return;
	}

	/* If n_keys > 1 then there are multiple hardware keycodes that
	translate to lookup_keyval. We arbitrarily choose the first
	hardware keycode from the list returned by
	gdk_keymap_get_entries_for_keyval. */
	result = XTestFakeKeyEvent (xdisplay,
	keymap_keys[0].keycode,
	False, CurrentTime);

	g_free (keymap_keys);

	XFlush (xdisplay);

	gdk_threads_leave ();
	}

	JNIEXPORT jintArray JNICALL
	Java_gnu_java_awt_peer_gtk_GdkRobotPeer_nativeGetRGBPixels
	(JNIEnv *env, jobject obj __attribute__((unused)), jint x, jint y,
	jint width, jint height)
	{
	jint stride_bytes, stride_pixels, n_channels, n_pixels;
	jintArray jpixels;
	jint *java_pixels;
	guchar *gdk_pixels;
	GdkPixbuf *pixbuf_no_alpha = NULL;
	GdkPixbuf *pixbuf = NULL;

	#ifndef WORDS_BIGENDIAN
	int i;
	#endif

	gdk_threads_enter ();

	pixbuf_no_alpha = gdk_pixbuf_get_from_drawable (NULL,
	gdk_get_default_root_window (),
	NULL, x, y, 0, 0,
	width, height);

	pixbuf = gdk_pixbuf_add_alpha(pixbuf_no_alpha, FALSE, 0, 0, 0);
	g_assert (gdk_pixbuf_get_has_alpha (pixbuf));

	stride_bytes = gdk_pixbuf_get_rowstride (pixbuf);
	n_channels = gdk_pixbuf_get_n_channels (pixbuf);
	stride_pixels = stride_bytes / n_channels;
	n_pixels = height * stride_pixels;
	gdk_pixels = gdk_pixbuf_get_pixels (pixbuf);

	jpixels = (*env)->NewIntArray (env, n_pixels);

	java_pixels = (*env)->GetIntArrayElements (env, jpixels, NULL);

	memcpy (java_pixels,
	gdk_pixels,
	(height * stride_bytes));

	#ifndef WORDS_BIGENDIAN
	/* convert pixels from 0xBBGGRRAA to 0xAARRGGBB */
	for (i = 0; i < n_pixels; ++i)
	{
	java_pixels[i] = SWAPU32 ((unsigned)java_pixels[i]);
	}
	#endif

	g_object_unref (pixbuf);

	(*env)->ReleaseIntArrayElements (env, jpixels, java_pixels, 0);

	gdk_threads_leave ();

	return jpixels;
	}