ui/views/controls/menu/menu_config_win.cc

   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
  19 using ui::NativeTheme;
  20 using ui::NativeThemeWin;
  21
  22 namespace views {
  23
  24 void 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_XP 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
  82 const 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