1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ui/views/controls/menu/menu_config.h"
6
7#include <windows.h>
8#include <uxtheme.h>
9#include <Vssym32.h>
10
11#include "base/logging.h"
12#include "base/win/scoped_gdi_object.h"
13#include "base/win/win_util.h"
14#include "ui/base/l10n/l10n_util_win.h"
15#include "ui/gfx/color_utils.h"
16#include "ui/native_theme/native_theme_aura.h"
17#include "ui/native_theme/native_theme_win.h"
18
19using ui::NativeTheme;
20using ui::NativeThemeWin;
21
22namespace views {
23
24void MenuConfig::Init(const NativeTheme* theme) {
25  if (theme == ui::NativeThemeAura::instance()) {
26    InitAura(theme);
27    return;
28  }
29
30  arrow_color = color_utils::GetSysSkColor(COLOR_MENUTEXT);
31
32  NONCLIENTMETRICS metrics;
33  base::win::GetNonClientMetrics(&metrics);
34  l10n_util::AdjustUIFont(&(metrics.lfMenuFont));
35  {
36    base::win::ScopedHFONT new_font(CreateFontIndirect(&metrics.lfMenuFont));
37    DLOG_ASSERT(new_font.Get());
38    font_list = gfx::FontList(gfx::Font(new_font));
39  }
40  NativeTheme::ExtraParams extra;
41  extra.menu_check.is_radio = false;
42  extra.menu_check.is_selected = false;
43  gfx::Size check_size = NativeThemeWin::instance()->GetPartSize(
44      NativeTheme::kMenuCheck, NativeTheme::kNormal, extra);
45  if (!check_size.IsEmpty()) {
46    check_width = check_size.width();
47    check_height = check_size.height();
48  } else {
49    check_width = GetSystemMetrics(SM_CXMENUCHECK);
50    check_height = GetSystemMetrics(SM_CYMENUCHECK);
51  }
52
53  extra.menu_check.is_radio = true;
54  gfx::Size radio_size = NativeThemeWin::instance()->GetPartSize(
55      NativeTheme::kMenuCheck, NativeTheme::kNormal, extra);
56  if (!radio_size.IsEmpty())
57    radio_width = radio_size.width();
58  else
59    radio_width = GetSystemMetrics(SM_CXMENUCHECK);
60
61  gfx::Size arrow_size = NativeThemeWin::instance()->GetPartSize(
62      NativeTheme::kMenuPopupArrow, NativeTheme::kNormal, extra);
63  if (!arrow_size.IsEmpty()) {
64    arrow_width = arrow_size.width();
65  } else {
66    // Sadly I didn't see a specify metrics for this.
67    arrow_width = GetSystemMetrics(SM_CXMENUCHECK);
68  }
69
70  BOOL show_cues;
71  show_mnemonics =
72      (SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &show_cues, 0) &&
73       show_cues == TRUE);
74
75  SystemParametersInfo(SPI_GETMENUSHOWDELAY, 0, &show_delay, 0);
76
77  separator_upper_height = 5;
78  separator_lower_height = 7;
79}
80
81// static
82const MenuConfig& MenuConfig::instance(const ui::NativeTheme* theme) {
83  // NOTE: |theme| may be NULL if used before the menu is running.
84  if (!theme || theme == NativeThemeWin::instance()) {
85    static MenuConfig* win_instance = NULL;
86    if (!win_instance)
87      win_instance = new MenuConfig(NativeThemeWin::instance());
88    return *win_instance;
89  }
90  static MenuConfig* views_instance = NULL;
91  if (!views_instance)
92    views_instance = new MenuConfig(theme);
93  return *views_instance;
94}
95
96}  // namespace views
97