First stab at webinputevent_linux.cc. Coverts GDK events to

webkit/glue/webinputevent_linux.cc

+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+
+#include "webkit/glue/webinputevent.h"
+
+#include "webkit/glue/event_conversion.h"
+
+#include "KeyboardCodes.h"
+#include "KeyCodeConversion.h"
+
+#include <gdk/gdk.h>
+#include <gdk/gdkkeysyms.h>
+#include <gtk/gtkversion.h>
+
+namespace {
+
+double GdkEventTimeToWebEventTime(guint32 time) {
+  // Convert from time in ms to time in sec.
+  return time / 1000.0;
+}
+
+int GdkStateToWebEventModifiers(guint state) {
+  int modifiers = 0;
+  if (state & GDK_SHIFT_MASK)
+    modifiers |= WebInputEvent::SHIFT_KEY;
+  if (state & GDK_CONTROL_MASK)
+    modifiers |= WebInputEvent::CTRL_KEY;
+  if (state & GDK_MOD1_MASK)
+    modifiers |= WebInputEvent::ALT_KEY;
+#if GTK_CHECK_VERSION(2,10,0)
+  if (state & GDK_META_MASK)
+    modifiers |= WebInputEvent::META_KEY;
+#endif
+  return modifiers;
+}
+
+}  // namespace
+
+WebMouseEvent::WebMouseEvent(const GdkEventButton* event) {
+  timestamp_sec = GdkEventTimeToWebEventTime(event->time);
+  modifiers = GdkStateToWebEventModifiers(event->state);
+  x = static_cast<int>(event->x);
+  y = static_cast<int>(event->y);
+  global_x = static_cast<int>(event->x_root);
+  global_y = static_cast<int>(event->y_root);
+
+  switch (event->type) {
+    case GDK_BUTTON_PRESS:
+    case GDK_2BUTTON_PRESS:
+    case GDK_3BUTTON_PRESS:
+      type = MOUSE_DOWN;
+      break;
+    case GDK_BUTTON_RELEASE:
+      type = MOUSE_UP;
+      break;
+
+    default:
+      ASSERT_NOT_REACHED();
+  };
+
+  button = BUTTON_NONE;
+  if (event->button == 1) {
+    button = BUTTON_LEFT;
+  } else if (event->button == 2) {
+    button = BUTTON_MIDDLE;
+  } else if (event->button == 3) {
+    button = BUTTON_RIGHT;
+  }
+}
+
+WebMouseEvent::WebMouseEvent(const GdkEventMotion* event) {
+  timestamp_sec = GdkEventTimeToWebEventTime(event->time);
+  modifiers = GdkStateToWebEventModifiers(event->state);
+  x = static_cast<int>(event->x);
+  y = static_cast<int>(event->y);
+  global_x = static_cast<int>(event->x_root);
+  global_y = static_cast<int>(event->y_root);
+
+  switch (event->type) {
+    case GDK_MOTION_NOTIFY:
+      type = MOUSE_MOVE;
+      break;
+    default:
+      ASSERT_NOT_REACHED();
+  }
+
+  button = BUTTON_NONE;
+  if (event->state & GDK_BUTTON1_MASK) {
+    button = BUTTON_LEFT;
+  } else if (event->state & GDK_BUTTON2_MASK) {
+    button = BUTTON_MIDDLE;
+  } else if (event->state & GDK_BUTTON3_MASK) {
+    button = BUTTON_RIGHT;
+  }
+}
+
+WebMouseWheelEvent::WebMouseWheelEvent(const GdkEventScroll* event) {
+  timestamp_sec = GdkEventTimeToWebEventTime(event->time);
+  modifiers = GdkStateToWebEventModifiers(event->state);
+  x = static_cast<int>(event->x);
+  y = static_cast<int>(event->y);
+  global_x = static_cast<int>(event->x_root);
+  global_y = static_cast<int>(event->y_root);
+
+  type = MOUSE_WHEEL;
+
+  // TODO(tc): Figure out what the right value for this is.
+  static const int kWheelDelta = 1;
+
+  delta_x = 0;
+  delta_y = 0;
+
+  switch (event->direction) {
+    case GDK_SCROLL_UP:
+      delta_y = kWheelDelta;
+      break;
+    case GDK_SCROLL_DOWN:
+      delta_y = -kWheelDelta;
+      break;
+    case GDK_SCROLL_LEFT:
+      delta_x = -kWheelDelta;
+      break;
+    case GDK_SCROLL_RIGHT:
+      delta_x = kWheelDelta;
+      break;
+    default:
+      break;
+  }
+}
+
+WebKeyboardEvent::WebKeyboardEvent(const GdkEventKey* event) {
+  modifiers = GdkStateToWebEventModifiers(event->state);
+
+  switch (event->type) {
+    case GDK_KEY_RELEASE:
+      type = KEY_UP;
+      break;
+    case GDK_KEY_PRESS:
+      type = KEY_DOWN;
+      break;
+    default:
+      break;
+  }
+  key_code = WebCore::windowsKeyCodeForKeyEvent(event->keyval);
+
+  // TODO(tc): Do we need to set IS_AUTO_REPEAT or IS_KEYPAD?
+}