java-game-lib-cvs

[Elias N. <eli...@us...>]

Update of /cvsroot/java-game-lib/LWJGL/src/native/linux
In directory usw-pr-cvs1:/tmp/cvs-serv23498

Modified Files:
	org_lwjgl_Display.c org_lwjgl_input_Mouse.c 
Log Message:
Cursor blanking added

Index: org_lwjgl_Display.c
CVS Browser:
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/java-game-lib/LWJGL/src/native/linux/org_lwjgl_Display.c
===================================================================
RCS file: /cvsroot/java-game-lib/LWJGL/src/native/linux/org_lwjgl_Display.c,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -d -r1.5 -r1.6
--- org_lwjgl_Display.c	16 Nov 2002 20:10:42 -0000	1.5
+++ org_lwjgl_Display.c	17 Nov 2002 16:14:53 -0000	1.6
@@ -102,10 +102,18 @@
 		return JNI_FALSE;
 	}
 	screen = DefaultScreen(disp);
+	if (!getDisplayModes(disp, screen, &num_modes, &avail_modes)) {
+		XCloseDisplay(disp);
+#ifdef _DEBUG
+		printf("Could not get display modes\n");
+#endif
+		return JNI_FALSE;
+	}
 	root_win = RootWindow(disp, screen);
 
 	vis_info = glXChooseVisual(disp, screen, attriblist);
 	if (vis_info == NULL) {
+		XCloseDisplay(disp);
 #ifdef _DEBUG
 		printf("Could not choose glx visual\n");
 #endif
@@ -129,18 +137,16 @@
 	if (fullscreen) {
 		XMapRaised(disp, win);
 		waitMapped(disp, win);
-		if (!getDisplayModes(disp, screen, &num_modes, &avail_modes)) {
-#ifdef _DEBUG
-			printf("Could not get display modes\n");
-#endif
-			return JNI_FALSE;
-		}
 		for ( i = 0; i < num_modes; ++i ) {
 #ifdef _DEBUG
 			printf("Mode %d: %dx%d\n", i, avail_modes[i]->hdisplay, avail_modes[i]->vdisplay);
 #endif
 			if (avail_modes[i]->hdisplay == width && avail_modes[i]->vdisplay == height) {
 				if (!XF86VidModeSwitchToMode(disp, screen, avail_modes[i])) {
+					XFree(vis_info);
+					XFree(avail_modes);
+					XDestroyWindow(disp, win);
+					XCloseDisplay(disp);
 #ifdef _DEBUG
 					printf("Could not switch mode\n");
 #endif
@@ -167,8 +173,8 @@
 			printf("Could not switch mode\n");
 #endif
 		}
-		XFree(avail_modes);
 	}
+	XFree(avail_modes);
 	XFree(vis_info);
 	XCloseDisplay(disp);
 #ifdef _DEBUG

Index: org_lwjgl_input_Mouse.c
CVS Browser:
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/java-game-lib/LWJGL/src/native/linux/org_lwjgl_input_Mouse.c
===================================================================
RCS file: /cvsroot/java-game-lib/LWJGL/src/native/linux/org_lwjgl_input_Mouse.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- org_lwjgl_input_Mouse.c	15 Nov 2002 11:10:32 -0000	1.2
+++ org_lwjgl_input_Mouse.c	17 Nov 2002 16:14:53 -0000	1.3
@@ -62,6 +62,8 @@
 int current_y;
 unsigned char buttons[NUM_BUTTONS];
 
+Cursor blank_cursor;
+
 /*
  * Class:     org_lwjgl_input_Mouse
  * Method:    initIDs
@@ -92,6 +94,27 @@
 	}
 }
 
+int blankCursor(void) {
+	int best_width, best_height;
+	if (XQueryBestCursor(disp, win, 1, 1, &best_width, &best_height) == 0) {
+#ifdef _DEBUG
+		printf("Could not query best cursor size\n");
+#endif
+		return 0;
+	}
+	Pixmap mask = XCreatePixmap(disp, win, best_width, best_height, 1);
+	XGCValues gc_values;
+	gc_values.foreground = 0;
+	GC gc = XCreateGC(disp, mask, GCForeground, &gc_values);
+	XFillRectangle(disp, mask, gc, 0, 0, best_width, best_height);
+	XColor dummy_color;
+	blank_cursor = XCreatePixmapCursor(disp, mask, mask, &dummy_color, &dummy_color, 0, 0);
+	XFreePixmap(disp, mask);
+	XFreeGC(disp, gc);
+	XDefineCursor(disp, win, blank_cursor);
+	return 1;
+}
+
 /*
  * Class:     org_lwjgl_input_Mouse
  * Method:    nCreate
@@ -104,6 +127,12 @@
 	current_x = current_y = last_x = last_y = 0;
 	for (i = 0; i < NUM_BUTTONS; i++)
 		buttons[i] = 0;
+	if (!blankCursor()) {
+#ifdef _DEBUG
+		printf("Could not blank cursor\n");
+#endif
+		return JNI_FALSE;
+	}
 	int result = XGrabPointer(disp, win, False, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
 	if (result != GrabSuccess) {
 #ifdef _DEBUG
@@ -122,6 +151,8 @@
 JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nDestroy
   (JNIEnv * env, jclass clazz)
 {
+	XUndefineCursor(disp, win);
+	XFreeCursor(disp, blank_cursor);
 	XUngrabPointer(disp, CurrentTime);
 }