IDEA-69397 On MacOS X, hide mouse cursor when typing

native/cursorHider/cursorHider.c

@@ -0,0 +1,13 @@
+#include <jni.h>
+#include <ApplicationServices/ApplicationServices.h>
+
+JNIEXPORT void JNICALL Java_com_intellij_util_ui_MacUIUtil_doHideCursor
+  (JNIEnv *env, jclass clazz) {
+  CGDisplayHideCursor(kCGDirectMainDisplay);
+}
+
+JNIEXPORT void JNICALL Java_com_intellij_util_ui_MacUIUtil_doShowCursor
+  (JNIEnv *env, jclass clazz) {
+  CGDisplayShowCursor(kCGDirectMainDisplay);
+}
+

native/cursorHider/make.sh

@@ -0,0 +1 @@
+gcc -arch i386 -arch x86_64 -mmacosx-version-min=10.5 -framework ApplicationServices -I/System/Library/Frameworks/JavaVM.framework/Headers/ cursorHider.c -shared -fPIC -o cursorHider.jnilib

platform/platform-impl/src/com/intellij/openapi/keymap/impl/IdeKeyEventDispatcher.java

@@ -34,6 +34,7 @@ import com.intellij.openapi.keymap.impl.keyGestures.KeyboardGestureProcessor;
 import com.intellij.openapi.keymap.impl.ui.ShortcutTextField;
 import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.ui.TypingTarget;
 import com.intellij.openapi.ui.popup.JBPopup;
 import com.intellij.openapi.ui.popup.ListPopupStep;
 import com.intellij.openapi.ui.popup.PopupStep;
@@ -57,12 +58,14 @@ import com.intellij.ui.popup.list.ListPopupImpl;
 import com.intellij.util.Alarm;
 import com.intellij.util.Processor;
 import com.intellij.util.containers.ContainerUtil;
+import com.intellij.util.ui.MacUIUtil;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 import javax.swing.plaf.basic.ComboPopup;
+import javax.swing.text.JTextComponent;
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.InputEvent;
@@ -162,6 +165,13 @@ public final class IdeKeyEventDispatcher implements Disposable {
     if (focusOwner instanceof ShortcutTextField) {
       return false;
     }
+    if (Registry.is("ide.mac.hide.cursor.when.typing") &&
+        (focusOwner instanceof TypingTarget ||
+        (focusOwner instanceof JTextComponent && ((JTextComponent)focusOwner).isEditable()))) {
+      if (e.getKeyChar() != KeyEvent.CHAR_UNDEFINED && e.getKeyChar() != KeyEvent.VK_ESCAPE) {
+        MacUIUtil.hideCursor();
+      }
+    }
 
     MenuSelectionManager menuSelectionManager=MenuSelectionManager.defaultManager();
     MenuElement[] selectedPath = menuSelectionManager.getSelectedPath();

platform/platform-impl/src/com/intellij/openapi/keymap/impl/IdeMouseEventDispatcher.java

@@ -26,6 +26,7 @@ import com.intellij.openapi.util.SystemInfo;
 import com.intellij.openapi.util.registry.Registry;
 import com.intellij.openapi.wm.impl.IdeGlassPaneImpl;
 import com.intellij.util.containers.HashMap;
+import com.intellij.util.ui.MacUIUtil;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.Nullable;
 
@@ -129,6 +130,8 @@ public final class IdeMouseEventDispatcher {
       resetPopupTrigger(e);
     }
 
+    MacUIUtil.showCursor();
+
     if (!(e.getID() == MouseEvent.MOUSE_PRESSED ||
           e.getID() == MouseEvent.MOUSE_RELEASED ||
           e.getID() == MOUSE_CLICKED)) {

platform/platform-resources-en/src/misc/registry.properties

@@ -106,6 +106,7 @@ ide.mac.filechooser.showhidden.files=false
 ide.mac.filechooser.native=true
 ide.mac.message.dialogs.as.sheets=true
 ide.mac.inplaceDialogMnemonicsFix=true
+ide.mac.hide.cursor.when.typing=true
 
 debugger.valueTooltipAutoShow=true
 debugger.valueTooltipAutoShow.description=Auto show tooltip on mouse over

platform/util/src/com/intellij/util/ui/MacUIUtil.java

@@ -15,6 +15,7 @@
  */
 package com.intellij.util.ui;
 
+import com.intellij.openapi.application.PathManager;
 import com.intellij.openapi.util.SystemInfo;
 import com.intellij.ui.Gray;
 import org.jetbrains.annotations.NotNull;
@@ -25,6 +26,7 @@ import javax.swing.plaf.TreeUI;
 import javax.swing.tree.DefaultTreeCellRenderer;
 import java.awt.*;
 import java.awt.geom.GeneralPath;
+import java.io.File;
 import java.lang.reflect.Field;
 
 /**
@@ -36,10 +38,34 @@ public class MacUIUtil {
   public static final String MAC_FILL_BORDER = "MAC_FILL_BORDER";
   public static final int MAC_COMBO_BORDER_V_OFFSET = SystemInfo.isMacOSLion ? 1 : 0;
   private static Cursor INVERTED_TEXT_CURSOR;
+  private static boolean CURSOR_HIDER_LOADED = false;
+
+  static {
+    if (SystemInfo.isMac) {
+      try {
+        System.load(PathManager.getBinPath() + File.separatorChar + "cursorHider.jnilib");
+        CURSOR_HIDER_LOADED = true;
+      } catch (UnsatisfiedLinkError ignored) {}
+    }
+  }
 
   private MacUIUtil() {
   }
 
+  public static void hideCursor() {
+    if (CURSOR_HIDER_LOADED) {
+      doHideCursor();
+    }
+  }
+  private static native void doHideCursor();
+
+  public static void showCursor() {
+    if (CURSOR_HIDER_LOADED) {
+      doShowCursor();
+    }
+  }
+  private static native void doShowCursor();
+
   public static class EditorTextFieldBorder implements Border {
     private JComponent myEnabledComponent;