Removing deprecated GTK-Views code.

ui/views/events/event_gtk.cc

-// Copyright (c) 2011 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 "ui/views/events/event.h"
-
-#include <gdk/gdk.h>
-
-#include "base/logging.h"
-#include "ui/base/keycodes/keyboard_code_conversion_gtk.h"
-#include "ui/gfx/point.h"
-
-namespace {
-
-unsigned int GetGdkStateFromNative(GdkEvent* gdk_event) {
-  switch (gdk_event->type) {
-    case GDK_KEY_PRESS:
-    case GDK_KEY_RELEASE:
-      return gdk_event->key.state;
-    case GDK_BUTTON_PRESS:
-    case GDK_2BUTTON_PRESS:
-    case GDK_3BUTTON_PRESS:
-    case GDK_BUTTON_RELEASE:
-      return gdk_event->button.state;
-    case GDK_SCROLL:
-      return gdk_event->scroll.state;
-    case GDK_MOTION_NOTIFY:
-      return gdk_event->motion.state;
-    case GDK_ENTER_NOTIFY:
-    case GDK_LEAVE_NOTIFY:
-      return gdk_event->crossing.state;
-    default:
-      NOTREACHED();
-      break;
-  }
-  return 0;
-}
-
-int GetFlagsFromGdkState(unsigned int state) {
-  int flags = 0;
-  flags |= (state & GDK_LOCK_MASK) ? ui::EF_CAPS_LOCK_DOWN : 0;
-  flags |= (state & GDK_CONTROL_MASK) ? ui::EF_CONTROL_DOWN : 0;
-  flags |= (state & GDK_SHIFT_MASK) ? ui::EF_SHIFT_DOWN : 0;
-  flags |= (state & GDK_MOD1_MASK) ? ui::EF_ALT_DOWN : 0;
-  flags |= (state & GDK_BUTTON1_MASK) ? ui::EF_LEFT_MOUSE_BUTTON : 0;
-  flags |= (state & GDK_BUTTON2_MASK) ? ui::EF_MIDDLE_MOUSE_BUTTON : 0;
-  flags |= (state & GDK_BUTTON3_MASK) ? ui::EF_RIGHT_MOUSE_BUTTON : 0;
-  return flags;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// These functions mirror ui/base/events.h, but GTK is in the midst of removal.
-
-ui::EventType EventTypeFromNative(GdkEvent* gdk_event) {
-  // Add new event types as necessary.
-  switch (gdk_event->type) {
-    case GDK_2BUTTON_PRESS:
-    case GDK_3BUTTON_PRESS:
-    case GDK_BUTTON_PRESS:
-      return ui::ET_MOUSE_PRESSED;
-    case GDK_BUTTON_RELEASE:
-      return ui::ET_MOUSE_RELEASED;
-    case GDK_DRAG_MOTION:
-      return ui::ET_MOUSE_DRAGGED;
-    case GDK_ENTER_NOTIFY:
-      return ui::ET_MOUSE_ENTERED;
-    case GDK_KEY_PRESS:
-      return ui::ET_KEY_PRESSED;
-    case GDK_KEY_RELEASE:
-      return ui::ET_KEY_RELEASED;
-    case GDK_LEAVE_NOTIFY:
-      return ui::ET_MOUSE_EXITED;
-    case GDK_MOTION_NOTIFY:
-      if (gdk_event->motion.state & GDK_BUTTON1_MASK ||
-          gdk_event->motion.state & GDK_BUTTON2_MASK ||
-          gdk_event->motion.state & GDK_BUTTON3_MASK ||
-          gdk_event->motion.state & GDK_BUTTON4_MASK ||
-          gdk_event->motion.state & GDK_BUTTON5_MASK) {
-        return ui::ET_MOUSE_DRAGGED;
-      }
-      return ui::ET_MOUSE_MOVED;
-    case GDK_SCROLL:
-      return ui::ET_MOUSEWHEEL;
-    default:
-      NOTREACHED();
-      break;
-  }
-  return ui::ET_UNKNOWN;
-}
-
-int EventFlagsFromNative(GdkEvent* gdk_event) {
-  int flags = GetFlagsFromGdkState(GetGdkStateFromNative(gdk_event));
-  if (gdk_event->type == GDK_2BUTTON_PRESS)
-    flags |= ui::EF_IS_DOUBLE_CLICK;
-  if (gdk_event->type == GDK_BUTTON_PRESS ||
-      gdk_event->type == GDK_2BUTTON_PRESS ||
-      gdk_event->type == GDK_3BUTTON_PRESS ||
-      gdk_event->type == GDK_BUTTON_RELEASE) {
-    switch (gdk_event->button.button) {
-      case 1:
-        return flags | ui::EF_LEFT_MOUSE_BUTTON;
-      case 2:
-        return flags | ui::EF_MIDDLE_MOUSE_BUTTON;
-      case 3:
-        return flags | ui::EF_RIGHT_MOUSE_BUTTON;
-    }
-  }
-  return flags;
-}
-
-gfx::Point EventLocationFromNative(GdkEvent* gdk_event) {
-  double x = 0, y = 0;
-  if (gdk_event_get_coords(gdk_event, &x, &y))
-    return gfx::Point(static_cast<int>(x), static_cast<int>(y));
-  return gfx::Point();
-}
-
-ui::KeyboardCode KeyboardCodeFromNative(GdkEvent* gdk_event) {
-  DCHECK(gdk_event->type == GDK_KEY_PRESS ||
-         gdk_event->type == GDK_KEY_RELEASE);
-  return ui::KeyboardCodeFromGdkEventKey(&gdk_event->key);
-}
-
-int GetMouseWheelOffset(GdkEvent* gdk_event) {
-  DCHECK(gdk_event->type == GDK_SCROLL);
-  int offset = (gdk_event->scroll.direction == GDK_SCROLL_UP ||
-                gdk_event->scroll.direction == GDK_SCROLL_LEFT) ? 1 : -1;
-  return offset;
-}
-
-}  // namespace
-
-namespace views {
-
-////////////////////////////////////////////////////////////////////////////////
-// Event, protected:
-
-Event::Event(GdkEvent* gdk_event, ui::EventType type, int flags)
-    : native_event_(NULL),
-      gdk_event_(gdk_event),
-      type_(type),
-      time_stamp_(base::Time::NowFromSystemTime()),
-      flags_(flags) {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// LocatedEvent, protected:
-
-LocatedEvent::LocatedEvent(GdkEvent* gdk_event)
-    : Event(gdk_event,
-            EventTypeFromNative(gdk_event),
-            EventFlagsFromNative(gdk_event)),
-      location_(EventLocationFromNative(gdk_event)) {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// KeyEvent, public:
-
-KeyEvent::KeyEvent(GdkEvent* gdk_event)
-    : Event(gdk_event,
-            EventTypeFromNative(gdk_event),
-            EventFlagsFromNative(gdk_event)),
-      key_code_(KeyboardCodeFromNative(gdk_event)),
-      character_(0),
-      unmodified_character_(0) {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// MouseEvent, public:
-
-MouseEvent::MouseEvent(GdkEvent* gdk_event)
-    : LocatedEvent(gdk_event) {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// MouseWheelEvent, public:
-
-MouseWheelEvent::MouseWheelEvent(GdkEvent* gdk_event)
-    : MouseEvent(gdk_event),
-      offset_(kWheelDelta * GetMouseWheelOffset(gdk_event)) {
-}
-
-}  // namespace views