Delete the GTK+ port of Chrome.

content/browser/renderer_host/gtk_key_bindings_handler.cc

Index: content/browser/renderer_host/gtk_key_bindings_handler.cc
diff --git a/content/browser/renderer_host/gtk_key_bindings_handler.cc b/content/browser/renderer_host/gtk_key_bindings_handler.cc
deleted file mode 100644
index 3830364a0e8ff1b979306e06f5f6341d0fb58396..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/gtk_key_bindings_handler.cc
+++ /dev/null
@@ -1,293 +0,0 @@
-// Copyright (c) 2012 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 "content/browser/renderer_host/gtk_key_bindings_handler.h"
-
-#include <gdk/gdkkeysyms.h>
-
-#include <string>
-
-#include "base/logging.h"
-#include "base/strings/string_util.h"
-#include "content/public/browser/native_web_keyboard_event.h"
-
-namespace content {
-
-GtkKeyBindingsHandler::GtkKeyBindingsHandler(GtkWidget* parent_widget)
-    : handler_(CreateNewHandler()) {
-  DCHECK(GTK_IS_FIXED(parent_widget));
-  // We need add the |handler_| object into gtk widget hierarchy, so that
-  // gtk_bindings_activate_event() can find correct display and keymaps from
-  // the |handler_| object.
-  gtk_fixed_put(GTK_FIXED(parent_widget), handler_.get(), -1, -1);
-}
-
-GtkKeyBindingsHandler::~GtkKeyBindingsHandler() {
-  handler_.Destroy();
-}
-
-bool GtkKeyBindingsHandler::Match(const NativeWebKeyboardEvent& wke,
-                                  EditCommands* edit_commands) {
-  if (wke.type == blink::WebInputEvent::Char || !wke.os_event)
-    return false;
-
-  edit_commands_.clear();
-  // If this key event matches a predefined key binding, corresponding signal
-  // will be emitted.
-  gtk_bindings_activate_event(GTK_OBJECT(handler_.get()), &wke.os_event->key);
-
-  bool matched = !edit_commands_.empty();
-  if (edit_commands)
-    edit_commands->swap(edit_commands_);
-  return matched;
-}
-
-GtkWidget* GtkKeyBindingsHandler::CreateNewHandler() {
-  Handler* handler =
-      static_cast<Handler*>(g_object_new(HandlerGetType(), NULL));
-
-  handler->owner = this;
-
-  // We don't need to show the |handler| object on screen, so set its size to
-  // zero.
-  gtk_widget_set_size_request(GTK_WIDGET(handler), 0, 0);
-
-  // Prevents it from handling any events by itself.
-  gtk_widget_set_sensitive(GTK_WIDGET(handler), FALSE);
-  gtk_widget_set_events(GTK_WIDGET(handler), 0);
-  gtk_widget_set_can_focus(GTK_WIDGET(handler), TRUE);
-
-  return GTK_WIDGET(handler);
-}
-
-void GtkKeyBindingsHandler::EditCommandMatched(
-    const std::string& name, const std::string& value) {
-  edit_commands_.push_back(EditCommand(name, value));
-}
-
-void GtkKeyBindingsHandler::HandlerInit(Handler *self) {
-  self->owner = NULL;
-}
-
-void GtkKeyBindingsHandler::HandlerClassInit(HandlerClass *klass) {
-  GtkTextViewClass* text_view_class = GTK_TEXT_VIEW_CLASS(klass);
-  GtkWidgetClass* widget_class = GTK_WIDGET_CLASS(klass);
-
-  // Overrides all virtual methods related to editor key bindings.
-  text_view_class->backspace = BackSpace;
-  text_view_class->copy_clipboard = CopyClipboard;
-  text_view_class->cut_clipboard = CutClipboard;
-  text_view_class->delete_from_cursor = DeleteFromCursor;
-  text_view_class->insert_at_cursor = InsertAtCursor;
-  text_view_class->move_cursor = MoveCursor;
-  text_view_class->paste_clipboard = PasteClipboard;
-  text_view_class->set_anchor = SetAnchor;
-  text_view_class->toggle_overwrite = ToggleOverwrite;
-  widget_class->show_help = ShowHelp;
-
-  // "move-focus", "move-viewport", "select-all" and "toggle-cursor-visible"
-  // have no corresponding virtual methods. Since glib 2.18 (gtk 2.14),
-  // g_signal_override_class_handler() is introduced to override a signal
-  // handler.
-  g_signal_override_class_handler("move-focus",
-                                  G_TYPE_FROM_CLASS(klass),
-                                  G_CALLBACK(MoveFocus));
-
-  g_signal_override_class_handler("move-viewport",
-                                  G_TYPE_FROM_CLASS(klass),
-                                  G_CALLBACK(MoveViewport));
-
-  g_signal_override_class_handler("select-all",
-                                  G_TYPE_FROM_CLASS(klass),
-                                  G_CALLBACK(SelectAll));
-
-  g_signal_override_class_handler("toggle-cursor-visible",
-                                  G_TYPE_FROM_CLASS(klass),
-                                  G_CALLBACK(ToggleCursorVisible));
-}
-
-GType GtkKeyBindingsHandler::HandlerGetType() {
-  static volatile gsize type_id_volatile = 0;
-  if (g_once_init_enter(&type_id_volatile)) {
-    GType type_id = g_type_register_static_simple(
-        GTK_TYPE_TEXT_VIEW,
-        g_intern_static_string("GtkKeyBindingsHandler"),
-        sizeof(HandlerClass),
-        reinterpret_cast<GClassInitFunc>(HandlerClassInit),
-        sizeof(Handler),
-        reinterpret_cast<GInstanceInitFunc>(HandlerInit),
-        static_cast<GTypeFlags>(0));
-    g_once_init_leave(&type_id_volatile, type_id);
-  }
-  return type_id_volatile;
-}
-
-GtkKeyBindingsHandler* GtkKeyBindingsHandler::GetHandlerOwner(
-    GtkTextView* text_view) {
-  Handler* handler = G_TYPE_CHECK_INSTANCE_CAST(
-      text_view, HandlerGetType(), Handler);
-  DCHECK(handler);
-  return handler->owner;
-}
-
-void GtkKeyBindingsHandler::BackSpace(GtkTextView* text_view) {
-  GetHandlerOwner(text_view)
-      ->EditCommandMatched("DeleteBackward", std::string());
-}
-
-void GtkKeyBindingsHandler::CopyClipboard(GtkTextView* text_view) {
-  GetHandlerOwner(text_view)->EditCommandMatched("Copy", std::string());
-}
-
-void GtkKeyBindingsHandler::CutClipboard(GtkTextView* text_view) {
-  GetHandlerOwner(text_view)->EditCommandMatched("Cut", std::string());
-}
-
-void GtkKeyBindingsHandler::DeleteFromCursor(
-    GtkTextView* text_view, GtkDeleteType type, gint count) {
-  if (!count)
-    return;
-
-  const char *commands[3] = { NULL, NULL, NULL };
-  switch (type) {
-    case GTK_DELETE_CHARS:
-      commands[0] = (count > 0 ? "DeleteForward" : "DeleteBackward");
-      break;
-    case GTK_DELETE_WORD_ENDS:
-      commands[0] = (count > 0 ? "DeleteWordForward" : "DeleteWordBackward");
-      break;
-    case GTK_DELETE_WORDS:
-      if (count > 0) {
-        commands[0] = "MoveWordForward";
-        commands[1] = "DeleteWordBackward";
-      } else {
-        commands[0] = "MoveWordBackward";
-        commands[1] = "DeleteWordForward";
-      }
-      break;
-    case GTK_DELETE_DISPLAY_LINES:
-      commands[0] = "MoveToBeginningOfLine";
-      commands[1] = "DeleteToEndOfLine";
-      break;
-    case GTK_DELETE_DISPLAY_LINE_ENDS:
-      commands[0] = (count > 0 ? "DeleteToEndOfLine" :
-                     "DeleteToBeginningOfLine");
-      break;
-    case GTK_DELETE_PARAGRAPH_ENDS:
-      commands[0] = (count > 0 ? "DeleteToEndOfParagraph" :
-                     "DeleteToBeginningOfParagraph");
-      break;
-    case GTK_DELETE_PARAGRAPHS:
-      commands[0] = "MoveToBeginningOfParagraph";
-      commands[1] = "DeleteToEndOfParagraph";
-      break;
-    default:
-      // GTK_DELETE_WHITESPACE has no corresponding editor command.
-      return;
-  }
-
-  GtkKeyBindingsHandler* owner = GetHandlerOwner(text_view);
-  if (count < 0)
-    count = -count;
-  for (; count > 0; --count) {
-    for (const char* const* p = commands; *p; ++p)
-      owner->EditCommandMatched(*p, std::string());
-  }
-}
-
-void GtkKeyBindingsHandler::InsertAtCursor(GtkTextView* text_view,
-                                           const gchar* str) {
-  if (str && *str)
-    GetHandlerOwner(text_view)->EditCommandMatched("InsertText", str);
-}
-
-void GtkKeyBindingsHandler::MoveCursor(
-    GtkTextView* text_view, GtkMovementStep step, gint count,
-    gboolean extend_selection) {
-  if (!count)
-    return;
-
-  std::string command;
-  switch (step) {
-    case GTK_MOVEMENT_LOGICAL_POSITIONS:
-      command = (count > 0 ? "MoveForward" : "MoveBackward");
-      break;
-    case GTK_MOVEMENT_VISUAL_POSITIONS:
-      command = (count > 0 ? "MoveRight" : "MoveLeft");
-      break;
-    case GTK_MOVEMENT_WORDS:
-      command = (count > 0 ? "MoveWordRight" : "MoveWordLeft");
-      break;
-    case GTK_MOVEMENT_DISPLAY_LINES:
-      command = (count > 0 ? "MoveDown" : "MoveUp");
-      break;
-    case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
-      command = (count > 0 ? "MoveToEndOfLine" : "MoveToBeginningOfLine");
-      break;
-    case GTK_MOVEMENT_PARAGRAPH_ENDS:
-      command = (count > 0 ? "MoveToEndOfParagraph" :
-                 "MoveToBeginningOfParagraph");
-      break;
-    case GTK_MOVEMENT_PAGES:
-      command = (count > 0 ? "MovePageDown" : "MovePageUp");
-      break;
-    case GTK_MOVEMENT_BUFFER_ENDS:
-      command = (count > 0 ? "MoveToEndOfDocument" :
-                 "MoveToBeginningOfDocument");
-      break;
-    default:
-      // GTK_MOVEMENT_PARAGRAPHS and GTK_MOVEMENT_HORIZONTAL_PAGES have
-      // no corresponding editor commands.
-      return;
-  }
-
-  GtkKeyBindingsHandler* owner = GetHandlerOwner(text_view);
-  if (extend_selection)
-    command.append("AndModifySelection");
-  if (count < 0)
-    count = -count;
-  for (; count > 0; --count)
-    owner->EditCommandMatched(command, std::string());
-}
-
-void GtkKeyBindingsHandler::MoveViewport(
-    GtkTextView* text_view, GtkScrollStep step, gint count) {
-  // Not supported by webkit.
-}
-
-void GtkKeyBindingsHandler::PasteClipboard(GtkTextView* text_view) {
-  GetHandlerOwner(text_view)->EditCommandMatched("Paste", std::string());
-}
-
-void GtkKeyBindingsHandler::SelectAll(GtkTextView* text_view, gboolean select) {
-  if (select)
-    GetHandlerOwner(text_view)->EditCommandMatched("SelectAll", std::string());
-  else
-    GetHandlerOwner(text_view)->EditCommandMatched("Unselect", std::string());
-}
-
-void GtkKeyBindingsHandler::SetAnchor(GtkTextView* text_view) {
-  GetHandlerOwner(text_view)->EditCommandMatched("SetMark", std::string());
-}
-
-void GtkKeyBindingsHandler::ToggleCursorVisible(GtkTextView* text_view) {
-  // Not supported by webkit.
-}
-
-void GtkKeyBindingsHandler::ToggleOverwrite(GtkTextView* text_view) {
-  // Not supported by webkit.
-}
-
-gboolean GtkKeyBindingsHandler::ShowHelp(GtkWidget* widget,
-                                         GtkWidgetHelpType arg1) {
-  // Just for disabling the default handler.
-  return FALSE;
-}
-
-void GtkKeyBindingsHandler::MoveFocus(GtkWidget* widget,
-                                      GtkDirectionType arg1) {
-  // Just for disabling the default handler.
-}
-
-}  // namespace content