electron/atom/browser/ui/views/menu_bar.cc
2014-07-25 15:20:25 +08:00

114 lines
3.1 KiB
C++

// Copyright (c) 2014 GitHub, Inc. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/ui/views/menu_bar.h"
#include "atom/browser/ui/views/menu_delegate.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/base/models/menu_model.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/menu_button.h"
#include "ui/views/layout/box_layout.h"
#if defined(OS_WIN)
#include "ui/gfx/color_utils.h"
#endif
namespace atom {
namespace {
const char kViewClassName[] = "AtomMenuBar";
// Default color of the menu bar.
const SkColor kDefaultColor = SkColorSetARGB(255, 233, 233, 233);
// Filter out the "&" in menu label.
base::string16 FilterMenuButtonLabel(const base::string16& label) {
base::string16 out;
base::RemoveChars(label, base::ASCIIToUTF16("&").c_str(), &out);
return out;
}
} // namespace
MenuBar::MenuBar()
: menu_model_(NULL) {
#if defined(OS_WIN)
SkColor background_color = color_utils::GetSysSkColor(COLOR_MENUBAR);
#else
SkColor background_color = kDefaultColor;
#endif
set_background(views::Background::CreateSolidBackground(background_color));
SetLayoutManager(new views::BoxLayout(
views::BoxLayout::kHorizontal, 0, 0, 0));
}
MenuBar::~MenuBar() {
}
void MenuBar::SetMenu(ui::MenuModel* model) {
menu_model_ = model;
RemoveAllChildViews(true);
for (int i = 0; i < model->GetItemCount(); ++i) {
views::MenuButton* button = new views::MenuButton(
this, FilterMenuButtonLabel(model->GetLabelAt(i)), this, false);
button->set_tag(i);
AddChildView(button);
}
}
int MenuBar::GetItemCount() const {
return menu_model_->GetItemCount();
}
bool MenuBar::GetMenuButtonFromScreenPoint(const gfx::Point& point,
ui::MenuModel** menu_model,
views::MenuButton** button) {
gfx::Point location(point);
views::View::ConvertPointFromScreen(this, &location);
if (location.x() < 0 || location.x() >= width() || location.y() < 0 ||
location.y() >= height())
return false;
for (int i = 0; i < child_count(); ++i) {
views::View* view = child_at(i);
if (view->bounds().Contains(location) &&
(menu_model_->GetTypeAt(i) == ui::MenuModel::TYPE_SUBMENU)) {
*menu_model = menu_model_->GetSubmenuModelAt(i);
*button = static_cast<views::MenuButton*>(view);
return true;
}
}
return false;
}
const char* MenuBar::GetClassName() const {
return kViewClassName;
}
void MenuBar::ButtonPressed(views::Button* sender, const ui::Event& event) {
}
void MenuBar::OnMenuButtonClicked(views::View* source,
const gfx::Point& point) {
if (!menu_model_)
return;
views::MenuButton* button = static_cast<views::MenuButton*>(source);
int id = button->tag();
ui::MenuModel::ItemType type = menu_model_->GetTypeAt(id);
if (type != ui::MenuModel::TYPE_SUBMENU)
return;
menu_delegate_.reset(new MenuDelegate(this));
menu_delegate_->RunMenu(menu_model_->GetSubmenuModelAt(id), button);
}
} // namespace atom