initial release of ivypointer

1 files changed, 242 insertions, 0 deletions

diff --git a/src/ivypointer.c b/src/ivypointer.c
new file mode 100644
index 0000000..fe6e5a8
--- /dev/null
+++ b/src/ivypointer.c
@@ -0,0 +1,242 @@
+/*
+ *	Ivy probe
+ *
+ *	Copyright (C) 2007
+ *	DGAC / DSNA / DTI / R&D
+ *
+ * 	Main and only file
+ *
+ *	Authors: Benjamin Tissoires <tissoire@cena.fr>
+ *
+ *	Please refer to file version.h for the
+ *	copyright notice regarding this software
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if X_DISPLAY_MISSING
+#	error X11 is required to build xtest
+#else
+#	include <X11/Xlib.h>
+#	include <X11/X.h>
+#	include <X11/Xutil.h>
+#	define XK_MISCELLANY
+#	define XK_XKB_KEYS
+#	include <X11/keysymdef.h>
+#	if HAVE_X11_EXTENSIONS_XTEST_H
+#		include <X11/extensions/XTest.h>
+//#	else
+//#		error The XTest extension is required to build xtest
+#	endif
+#	if HAVE_X11_EXTENSIONS_XINERAMA_H
+		// Xinerama.h may lack extern "C" for inclusion by C++
+		extern "C" {
+#		include <X11/extensions/Xinerama.h>
+		}
+#	endif
+#	if HAVE_XKB_EXTENSION
+#		include <X11/XKBlib.h>
+#	endif
+#endif
+
+#include <Ivy/ivyloop.h>
+#include <Ivy/ivy.h>
+#include <Ivy/version.h>
+
+
+#include "getopt.h"
+
+#define REGEXP_MOVE "^TelepointerMotion Id=(.*) X=(.*) Y=(.*)"
+#define REGEXP_DRAG "^TelepointerDrag Id=(.*) X=(.*) Y=(.*)"
+//#define REGEXP_MOVE "^IvyPointer Move=(.*),(.*)"
+#define REGEXP_REL_MOVE "^TelepointerRelativeMotion Id=(.*) X=(.*) Y=(.*)"
+#define REGEXP_BUTTON "^TelepointerButton Id=(.*) Button=(.*) status=(.*)"
+
+
+Display* display = NULL;
+int width,height;
+
+int dragged = 0;
+
+Display*
+openDisplay(const char* displayName)
+{
+	// get the DISPLAY
+	if (displayName == NULL) {
+		displayName = getenv("DISPLAY");
+		if (displayName == NULL) {
+			displayName = ":0.0";
+		}
+	}
+
+	// open the display
+	printf("XOpenDisplay(\"%s\")\n", displayName);
+	display = XOpenDisplay(displayName);
+	if (display == NULL) {
+	    printf("EE : can't open display \"%s\"\n", displayName);
+	    return NULL;
+//		throw XScreenUnavailable(60.0);
+	}
+
+	// verify the availability of the XTest extension
+    int majorOpcode, firstEvent, firstError;
+#if HAVE_X11_EXTENSIONS_XTEST_H
+	if (!XQueryExtension(display, XTestExtensionName,
+						&majorOpcode, &firstEvent, &firstError)) {
+		printf("XTEST extension not available");
+		XCloseDisplay(display);
+	    return NULL;
+	}
+#endif
+#if HAVE_XKB_EXTENSION
+	{
+		m_xkb = false;
+		int major = XkbMajorVersion, minor = XkbMinorVersion;
+		if (XkbLibraryVersion(&major, &minor)) {
+			int opcode, firstError;
+			if (XkbQueryExtension(display, &opcode, &m_xkbEventBase,
+								&firstError, &major, &minor)) {
+				m_xkb = true;
+				XkbSelectEvents(display, XkbUseCoreKbd,
+								XkbMapNotifyMask, XkbMapNotifyMask);
+				XkbSelectEventDetails(display, XkbUseCoreKbd,
+								XkbStateNotifyMask,
+								XkbGroupStateMask, XkbGroupStateMask);
+			}
+		}
+	}
+#endif
+
+	return display;
+}
+
+void
+fakeMouseButton(const unsigned int xButton, Bool press)
+{
+#if HAVE_X11_EXTENSIONS_XTEST_H
+	if (xButton != 0) {
+		XTestFakeButtonEvent(display, xButton, press ? True : False, 0);
+		XFlush(display);
+	}
+#endif
+}
+
+void
+fakeMouseMove(int x, int y)
+{
+	XWarpPointer(display, None, RootWindow(display, 0), 0, 0, 0, 0, x, y);
+	XFlush(display);
+}
+
+void
+fakeMouseRelativeMove(int dx, int dy)
+{
+	XWarpPointer(display, None, None, 0, 0, 0, 0, dx, dy);
+	XFlush(display);
+}
+
+
+void CallbackMove (IvyClientPtr app, void *user_data, int argc, char *argv[]) {
+//    printf ("%s sent (size : %d)",IvyGetApplicationName(app),argc);
+//    for  (i = 0; i < argc; i++)
+//			printf(" '%s'",argv[i]);
+    if (dragged){
+        fakeMouseButton(1,0);
+        dragged = 0;
+    }
+    char *id = argv[0];
+    float x = atof(argv[1]);
+    float y = atof(argv[2]);
+//    printf("x = %f,y = %f; ",x,y);
+    x = x*width/100.0;
+    y = y*height/100.0;
+//    printf("x = %f,y = %f\n",x,y);
+    fakeMouseMove((int)x,(int)y);
+//  IvyUnbindMsg(*ptr);
+}
+
+void CallbackDrag (IvyClientPtr app, void *user_data, int argc, char *argv[]) {
+    if (!dragged){
+        fakeMouseButton(1,1);
+        dragged = 1;
+    }
+    char *id = argv[0];
+    float x = atof(argv[1]);
+    float y = atof(argv[2]);
+    x *= width/100.0;
+    y *= height/100.0;
+//    printf("x = %f,y = %f\n",x,y);
+    fakeMouseMove((int)x,(int)y);
+}
+
+void CallbackRelMove (IvyClientPtr app, void *user_data, int argc, char *argv[]) {
+    char *id = argv[0];
+    float x = atof(argv[1]);
+    float y = atof(argv[2]);
+    x *= width/100.0;
+    y *= height/100.0;
+    fakeMouseRelativeMove((int)x,(int)y);
+}
+
+void CallbackButton (IvyClientPtr app, void *user_data, int argc, char *argv[]) {
+    char *id = argv[0];
+    int b = atoi(argv[1]);
+    int press = atoi(argv[2]);
+//    if (!b)
+//        return
+    fakeMouseButton(b,press);
+}
+
+int main(int argc, char *argv[]) {
+	const char* bus = 0;
+	char busbuf [1024] = "";
+	const char* helpmsg =
+	  "[options] [regexps]\n\t-b bus\tdefines the Ivy bus to which to connect to, defaults to 127:2010\n"
+	  "\t-v\tprints the ivy relase number\n\n"
+    ;
+	int c;
+	while ((c = getopt(argc, argv, "vb:")) != EOF)
+			switch (c) {
+			case 'b':
+				strcpy (busbuf, optarg);
+				bus = busbuf;
+				break;
+			case 'v':
+				printf("ivy c library version %d.%d\n",IVYMAJOR_VERSION,IVYMINOR_VERSION);
+				break;
+			default:
+				printf("usage: %s %s",argv[0],helpmsg);
+				exit(1);
+			}
+    Display* d = openDisplay(NULL);
+    if (!d){
+        return 1;
+    }
+    
+    width = DisplayWidth(d, DefaultScreen(d));
+    height = DisplayHeight(d, DefaultScreen(d));
+    printf("screen : %dx%d\n",width,height);
+    MsgRcvPtr ptrMove,ptrRelMove,ptrButton;
+    IvyInit("IvyPointer","IvyPointer Ready",NULL,NULL,NULL,NULL);
+    ptrMove=IvyBindMsg(CallbackMove,&ptrMove,REGEXP_MOVE);
+    printf("bound to %s\n",REGEXP_MOVE);
+    ptrMove=IvyBindMsg(CallbackDrag,&ptrMove,REGEXP_DRAG);
+    printf("bound to %s\n",REGEXP_DRAG);
+    ptrMove=IvyBindMsg(CallbackRelMove,&ptrRelMove,REGEXP_REL_MOVE);
+    printf("bound to %s\n",REGEXP_REL_MOVE);
+    ptrMove=IvyBindMsg(CallbackButton,&ptrButton,REGEXP_BUTTON);
+    printf("bound to %s\n",REGEXP_BUTTON);
+    IvyStart(bus);
+#if (IVYMAJOR_VERSION == 3) && (IVYMINOR_VERSION < 9)
+    IvyMainLoop(NULL, NULL);
+#else
+    IvyMainLoop();
+#endif
+  return 0;
+}