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_separator.h" 6 7 #include <windows.h> 8 #include <uxtheme.h> 9 #include <Vssym32.h> 10 11 #include "ui/gfx/canvas.h" 12 #include "ui/gfx/rect.h" 13 #include "ui/gfx/win/dpi.h" 14 #include "ui/native_theme/native_theme.h" 15 #include "ui/native_theme/native_theme_aura.h" 16 #include "ui/views/controls/menu/menu_config.h" 17 #include "ui/views/controls/menu/menu_item_view.h" 18 19 namespace views { 20 21 void MenuSeparator::OnPaint(gfx::Canvas* canvas) { 22 const MenuConfig& config = parent_menu_item_->GetMenuConfig(); 23 24 if (config.native_theme == ui::NativeThemeAura::instance()) { 25 OnPaintAura(canvas); 26 return; 27 } 28 29 gfx::Rect separator_bounds = GetPaintBounds(); 30 if (config.render_gutter) { 31 // If render_gutter is true, we're on Vista and need to render the 32 // gutter, then indent the separator from the gutter. 33 gfx::Rect gutter_bounds(MenuItemView::label_start() - 34 config.gutter_to_label - config.gutter_width, 0, 35 config.gutter_width, height()); 36 ui::NativeTheme::ExtraParams extra; 37 config.native_theme->Paint( 38 canvas->sk_canvas(), ui::NativeTheme::kMenuPopupGutter, 39 ui::NativeTheme::kNormal, gutter_bounds, extra); 40 separator_bounds.set_x(gutter_bounds.x() + config.gutter_width); 41 } 42 43 ui::NativeTheme::ExtraParams extra; 44 extra.menu_separator.has_gutter = config.render_gutter; 45 46 // Hack to get the separator to display correctly on Windows where we may 47 // have fractional scales. We move the separator 1 pixel down to ensure that 48 // it falls within the clipping rect which is scaled up. 49 float device_scale = gfx::win::GetDeviceScaleFactor(); 50 bool is_fractional_scale = 51 (device_scale - static_cast<int>(device_scale) != 0); 52 if (is_fractional_scale && separator_bounds.y() == 0) 53 separator_bounds.set_y(1); 54 55 config.native_theme->Paint( 56 canvas->sk_canvas(), ui::NativeTheme::kMenuPopupSeparator, 57 ui::NativeTheme::kNormal, separator_bounds, extra); 58 } 59 60 } // namespace views 61
