views: Move bubble, events, focus and layout to ui/views/.

views/events/event_x.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 "views/events/event.h"
-
-#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-#include <X11/extensions/XInput2.h>
-#include <X11/Xlib.h>
-
-#include "base/logging.h"
-#include "base/utf_string_conversions.h"
-#include "ui/base/events.h"
-#include "ui/base/keycodes/keyboard_code_conversion.h"
-#include "ui/base/keycodes/keyboard_code_conversion_x.h"
-#include "ui/base/touch/touch_factory.h"
-#include "views/widget/root_view.h"
-
-namespace views {
-
-namespace {
-
-// The following two functions are copied from event_gtk.cc. These will be
-// removed when GTK dependency is removed.
-#if defined(TOOLKIT_USES_GTK)
-uint16 GetCharacterFromGdkKeyval(guint keyval) {
-  guint32 ch = gdk_keyval_to_unicode(keyval);
-
-  // We only support BMP characters.
-  return ch < 0xFFFE ? static_cast<uint16>(ch) : 0;
-}
-
-GdkEventKey* GetGdkEventKeyFromNative(GdkEvent* gdk_event) {
-  DCHECK(gdk_event->type == GDK_KEY_PRESS ||
-         gdk_event->type == GDK_KEY_RELEASE);
-  return &gdk_event->key;
-}
-#endif
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// KeyEvent, public:
-
-uint16 KeyEvent::GetCharacter() const {
-  if (character_)
-    return character_;
-
-  if (!native_event()) {
-#if defined(TOOLKIT_USES_GTK)
-    // This event may have been created from a Gdk event.
-    if (!IsControlDown() && gdk_event()) {
-      uint16 ch = GetCharacterFromGdkKeyval(
-          GetGdkEventKeyFromNative(gdk_event())->keyval);
-      if (ch)
-        return ch;
-    }
-#endif
-    return ui::GetCharacterFromKeyCode(key_code_, flags());
-  }
-
-  DCHECK(native_event()->type == KeyPress ||
-         native_event()->type == KeyRelease);
-
-  uint16 ch = ui::DefaultSymbolFromXEvent(native_event());
-  return ch ? ch : ui::GetCharacterFromKeyCode(key_code_, flags());
-}
-
-uint16 KeyEvent::GetUnmodifiedCharacter() const {
-  if (unmodified_character_)
-    return unmodified_character_;
-
-  if (!native_event()) {
-#if defined(TOOLKIT_USES_GTK)
-    // This event may have been created from a Gdk event.
-    if (gdk_event()) {
-      GdkEventKey* key = GetGdkEventKeyFromNative(gdk_event());
-
-      static const guint kIgnoredModifiers =
-        GDK_CONTROL_MASK | GDK_LOCK_MASK | GDK_MOD1_MASK | GDK_MOD2_MASK |
-        GDK_MOD3_MASK | GDK_MOD4_MASK | GDK_MOD5_MASK | GDK_SUPER_MASK |
-        GDK_HYPER_MASK | GDK_META_MASK;
-
-      // We can't use things like (key->state & GDK_SHIFT_MASK), as it may mask
-      // out bits used by X11 or Gtk internally.
-      GdkModifierType modifiers =
-        static_cast<GdkModifierType>(key->state & ~kIgnoredModifiers);
-      guint keyval = 0;
-      if (gdk_keymap_translate_keyboard_state(NULL, key->hardware_keycode,
-            modifiers, key->group, &keyval, NULL, NULL, NULL)) {
-        uint16 ch = GetCharacterFromGdkKeyval(keyval);
-        if (ch)
-          return ch;
-      }
-    }
-#endif
-    return ui::GetCharacterFromKeyCode(key_code_, flags() & ui::EF_SHIFT_DOWN);
-  }
-
-  DCHECK(native_event()->type == KeyPress ||
-         native_event()->type == KeyRelease);
-
-  XKeyEvent *key = &native_event()->xkey;
-
-  static const unsigned int kIgnoredModifiers = ControlMask | LockMask |
-      Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask;
-
-  // We can't use things like (key.state & ShiftMask), as it may mask out bits
-  // used by X11 internally.
-  key->state &= ~kIgnoredModifiers;
-  uint16 ch = ui::DefaultSymbolFromXEvent(native_event());
-  return ch ? ch :
-      ui::GetCharacterFromKeyCode(key_code_, flags() & ui::EF_SHIFT_DOWN);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TouchEvent, public:
-
-TouchEvent::TouchEvent(const base::NativeEvent& native_event)
-    : LocatedEvent(native_event),
-      touch_id_(ui::GetTouchId(native_event)),
-      radius_x_(ui::GetTouchRadiusX(native_event)),
-      radius_y_(ui::GetTouchRadiusY(native_event)),
-      rotation_angle_(ui::GetTouchAngle(native_event)),
-      force_(ui::GetTouchForce(native_event)) {
-#if defined(USE_XI2_MT)
-  if (type() == ui::ET_TOUCH_RELEASED) {
-    // NOTE: The slot is allocated by TouchFactory for each XI_TouchBegin
-    //       event, which carries a new tracking ID to identify a new touch
-    //       sequence.
-    ui::TouchFactory* factory = ui::TouchFactory::GetInstance();
-    float tracking_id;
-    if (factory->ExtractTouchParam(*native_event,
-                                   ui::TouchFactory::TP_TRACKING_ID,
-                                   &tracking_id)) {
-      factory->ReleaseSlotForTrackingID(tracking_id);
-    }
-  }
-#else
-  if (type() == ui::ET_TOUCH_PRESSED || type() == ui::ET_TOUCH_RELEASED) {
-    ui::TouchFactory* factory = ui::TouchFactory::GetInstance();
-    float slot;
-    if (factory->ExtractTouchParam(*native_event,
-                                   ui::TouchFactory::TP_SLOT_ID, &slot)) {
-      factory->SetSlotUsed(slot, type() == ui::ET_TOUCH_PRESSED);
-    }
-  }
-#endif
-}
-
-}  // namespace views