| // 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 "ui/native_theme/native_theme_win.h" |
| |
| #include <windows.h> |
| #include <stddef.h> |
| #include <uxtheme.h> |
| #include <vsstyle.h> |
| #include <vssym32.h> |
| |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/win/scoped_gdi_object.h" |
| #include "base/win/scoped_hdc.h" |
| #include "base/win/scoped_select_object.h" |
| #include "base/win/win_util.h" |
| #include "cc/paint/paint_canvas.h" |
| #include "cc/paint/paint_flags.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "skia/ext/skia_utils_win.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| #include "third_party/skia/include/core/SkColorPriv.h" |
| #include "third_party/skia/include/core/SkPath.h" |
| #include "third_party/skia/include/core/SkRefCnt.h" |
| #include "third_party/skia/include/core/SkShader.h" |
| #include "third_party/skia/include/core/SkSurface.h" |
| #include "ui/base/ui_base_switches.h" |
| #include "ui/display/win/screen_win.h" |
| #include "ui/gfx/color_palette.h" |
| #include "ui/gfx/color_utils.h" |
| #include "ui/gfx/gdi_util.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/geometry/rect_conversions.h" |
| #include "ui/gfx/skia_util.h" |
| #include "ui/native_theme/common_theme.h" |
| |
| // This was removed from Winvers.h but is still used. |
| #if !defined(COLOR_MENUHIGHLIGHT) |
| #define COLOR_MENUHIGHLIGHT 29 |
| #endif |
| |
| namespace { |
| |
| // Windows system color IDs cached and updated by the native theme. |
| const int kSystemColors[] = { |
| COLOR_3DFACE, |
| COLOR_BTNFACE, |
| COLOR_BTNTEXT, |
| COLOR_GRAYTEXT, |
| COLOR_HIGHLIGHT, |
| COLOR_HIGHLIGHTTEXT, |
| COLOR_HOTLIGHT, |
| COLOR_MENUHIGHLIGHT, |
| COLOR_SCROLLBAR, |
| COLOR_WINDOW, |
| COLOR_WINDOWTEXT, |
| }; |
| |
| void SetCheckerboardShader(SkPaint* paint, const RECT& align_rect) { |
| // Create a 2x2 checkerboard pattern using the 3D face and highlight colors. |
| const SkColor face = color_utils::GetSysSkColor(COLOR_3DFACE); |
| const SkColor highlight = color_utils::GetSysSkColor(COLOR_3DHILIGHT); |
| SkColor buffer[] = { face, highlight, highlight, face }; |
| // Confusing bit: we first create a temporary bitmap with our desired pattern, |
| // then copy it to another bitmap. The temporary bitmap doesn't take |
| // ownership of the pixel data, and so will point to garbage when this |
| // function returns. The copy will copy the pixel data into a place owned by |
| // the bitmap, which is in turn owned by the shader, etc., so it will live |
| // until we're done using it. |
| SkImageInfo info = SkImageInfo::MakeN32Premul(2, 2); |
| SkBitmap temp_bitmap; |
| temp_bitmap.installPixels(info, buffer, info.minRowBytes()); |
| SkBitmap bitmap; |
| if (bitmap.tryAllocPixels(info)) |
| temp_bitmap.readPixels(info, bitmap.getPixels(), bitmap.rowBytes(), 0, 0); |
| |
| // Align the pattern with the upper corner of |align_rect|. |
| SkMatrix local_matrix; |
| local_matrix.setTranslate(SkIntToScalar(align_rect.left), |
| SkIntToScalar(align_rect.top)); |
| paint->setShader( |
| SkShader::MakeBitmapShader(bitmap, SkShader::kRepeat_TileMode, |
| SkShader::kRepeat_TileMode, &local_matrix)); |
| } |
| |
| // <-a-> |
| // [ ***** ] |
| // ____ | | |
| // <-a-> <------b-----> |
| // a: object_width |
| // b: frame_width |
| // *: animating object |
| // |
| // - the animation goes from "[" to "]" repeatedly. |
| // - the animation offset is at first "|" |
| // |
| int ComputeAnimationProgress(int frame_width, |
| int object_width, |
| int pixels_per_second, |
| double animated_seconds) { |
| int animation_width = frame_width + object_width; |
| double interval = static_cast<double>(animation_width) / pixels_per_second; |
| double ratio = fmod(animated_seconds, interval) / interval; |
| return static_cast<int>(animation_width * ratio) - object_width; |
| } |
| |
| // Custom scoped object for storing DC and a bitmap that was selected into it, |
| // and making sure that they are deleted in the right order. |
| class ScopedCreateDCWithBitmap { |
| public: |
| explicit ScopedCreateDCWithBitmap(base::win::ScopedCreateDC::Handle hdc) |
| : dc_(hdc) {} |
| |
| ~ScopedCreateDCWithBitmap() { |
| // Delete DC before the bitmap, since objects should not be deleted while |
| // selected into a DC. |
| dc_.Close(); |
| } |
| |
| bool IsValid() const { return dc_.IsValid(); } |
| |
| base::win::ScopedCreateDC::Handle Get() const { return dc_.Get(); } |
| |
| // Selects |handle| to bitmap into DC. Returns false if handle is not valid. |
| bool SelectBitmap(base::win::ScopedBitmap::element_type handle) { |
| bitmap_.reset(handle); |
| if (!bitmap_.is_valid()) |
| return false; |
| |
| SelectObject(dc_.Get(), bitmap_.get()); |
| return true; |
| } |
| |
| private: |
| base::win::ScopedCreateDC dc_; |
| base::win::ScopedBitmap bitmap_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedCreateDCWithBitmap); |
| }; |
| |
| } // namespace |
| |
| namespace ui { |
| |
| NativeTheme* NativeTheme::GetInstanceForNativeUi() { |
| return NativeThemeWin::instance(); |
| } |
| |
| // static |
| void NativeThemeWin::CloseHandles() { |
| instance()->CloseHandlesInternal(); |
| } |
| |
| // static |
| NativeThemeWin* NativeThemeWin::instance() { |
| static base::NoDestructor<NativeThemeWin> s_native_theme; |
| return s_native_theme.get(); |
| } |
| |
| gfx::Size NativeThemeWin::GetPartSize(Part part, |
| State state, |
| const ExtraParams& extra) const { |
| // The GetThemePartSize call below returns the default size without |
| // accounting for user customization (crbug/218291). |
| switch (part) { |
| case kScrollbarDownArrow: |
| case kScrollbarLeftArrow: |
| case kScrollbarRightArrow: |
| case kScrollbarUpArrow: |
| case kScrollbarHorizontalThumb: |
| case kScrollbarVerticalThumb: |
| case kScrollbarHorizontalTrack: |
| case kScrollbarVerticalTrack: { |
| int size = display::win::ScreenWin::GetSystemMetricsInDIP(SM_CXVSCROLL); |
| if (size == 0) |
| size = 17; |
| return gfx::Size(size, size); |
| } |
| default: |
| break; |
| } |
| |
| int part_id = GetWindowsPart(part, state, extra); |
| int state_id = GetWindowsState(part, state, extra); |
| |
| base::win::ScopedGetDC screen_dc(NULL); |
| SIZE size; |
| if (SUCCEEDED(GetThemePartSize(GetThemeName(part), screen_dc, part_id, |
| state_id, NULL, TS_TRUE, &size))) |
| return gfx::Size(size.cx, size.cy); |
| |
| // TODO(rogerta): For now, we need to support radio buttons and checkboxes |
| // when theming is not enabled. Support for other parts can be added |
| // if/when needed. |
| return (part == kCheckbox || part == kRadio) ? |
| gfx::Size(13, 13) : gfx::Size(); |
| } |
| |
| void NativeThemeWin::Paint(cc::PaintCanvas* canvas, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ExtraParams& extra) const { |
| if (rect.IsEmpty()) |
| return; |
| |
| switch (part) { |
| case kMenuPopupGutter: |
| PaintMenuGutter(canvas, rect); |
| return; |
| case kMenuPopupSeparator: |
| PaintMenuSeparator(canvas, extra.menu_separator); |
| return; |
| case kMenuPopupBackground: |
| PaintMenuBackground(canvas, rect); |
| return; |
| case kMenuItemBackground: |
| CommonThemePaintMenuItemBackground(this, canvas, state, rect, |
| extra.menu_item); |
| return; |
| default: |
| PaintIndirect(canvas, part, state, rect, extra); |
| return; |
| } |
| } |
| |
| NativeThemeWin::NativeThemeWin() |
| : draw_theme_(NULL), |
| draw_theme_ex_(NULL), |
| get_theme_content_rect_(NULL), |
| get_theme_part_size_(NULL), |
| open_theme_(NULL), |
| close_theme_(NULL), |
| theme_dll_(LoadLibrary(L"uxtheme.dll")), |
| color_change_listener_(this), |
| is_using_high_contrast_(false), |
| is_using_high_contrast_valid_(false) { |
| if (theme_dll_) { |
| draw_theme_ = reinterpret_cast<DrawThemeBackgroundPtr>( |
| GetProcAddress(theme_dll_, "DrawThemeBackground")); |
| draw_theme_ex_ = reinterpret_cast<DrawThemeBackgroundExPtr>( |
| GetProcAddress(theme_dll_, "DrawThemeBackgroundEx")); |
| get_theme_content_rect_ = reinterpret_cast<GetThemeContentRectPtr>( |
| GetProcAddress(theme_dll_, "GetThemeBackgroundContentRect")); |
| get_theme_part_size_ = reinterpret_cast<GetThemePartSizePtr>( |
| GetProcAddress(theme_dll_, "GetThemePartSize")); |
| open_theme_ = reinterpret_cast<OpenThemeDataPtr>( |
| GetProcAddress(theme_dll_, "OpenThemeData")); |
| close_theme_ = reinterpret_cast<CloseThemeDataPtr>( |
| GetProcAddress(theme_dll_, "CloseThemeData")); |
| } |
| memset(theme_handles_, 0, sizeof(theme_handles_)); |
| |
| // Initialize the cached system colors. |
| UpdateSystemColors(); |
| } |
| |
| NativeThemeWin::~NativeThemeWin() { |
| if (theme_dll_) { |
| // TODO(https://crbug.com/787692): Calling CloseHandles() here breaks |
| // certain tests and the reliability bots. |
| // CloseHandles(); |
| FreeLibrary(theme_dll_); |
| } |
| } |
| |
| bool NativeThemeWin::IsUsingHighContrastThemeInternal() const { |
| if (is_using_high_contrast_valid_) |
| return is_using_high_contrast_; |
| HIGHCONTRAST result; |
| result.cbSize = sizeof(HIGHCONTRAST); |
| is_using_high_contrast_ = |
| SystemParametersInfo(SPI_GETHIGHCONTRAST, result.cbSize, &result, 0) && |
| (result.dwFlags & HCF_HIGHCONTRASTON) == HCF_HIGHCONTRASTON; |
| is_using_high_contrast_valid_ = true; |
| return is_using_high_contrast_; |
| } |
| |
| void NativeThemeWin::CloseHandlesInternal() { |
| if (!close_theme_) |
| return; |
| |
| for (int i = 0; i < LAST; ++i) { |
| if (theme_handles_[i]) { |
| close_theme_(theme_handles_[i]); |
| theme_handles_[i] = nullptr; |
| } |
| } |
| } |
| |
| void NativeThemeWin::OnSysColorChange() { |
| UpdateSystemColors(); |
| is_using_high_contrast_valid_ = false; |
| NotifyObservers(); |
| } |
| |
| void NativeThemeWin::UpdateSystemColors() { |
| for (int kSystemColor : kSystemColors) |
| system_colors_[kSystemColor] = color_utils::GetSysSkColor(kSystemColor); |
| } |
| |
| void NativeThemeWin::PaintMenuSeparator( |
| cc::PaintCanvas* canvas, |
| const MenuSeparatorExtraParams& params) const { |
| const gfx::RectF rect(*params.paint_rect); |
| gfx::PointF start = rect.CenterPoint(); |
| gfx::PointF end = start; |
| if (params.type == ui::VERTICAL_SEPARATOR) { |
| start.set_y(rect.y()); |
| end.set_y(rect.bottom()); |
| } else { |
| start.set_x(rect.x()); |
| end.set_x(rect.right()); |
| } |
| |
| cc::PaintFlags flags; |
| flags.setColor(GetSystemColor(NativeTheme::kColorId_MenuSeparatorColor)); |
| canvas->drawLine(start.x(), start.y(), end.x(), end.y(), flags); |
| } |
| |
| void NativeThemeWin::PaintMenuGutter(cc::PaintCanvas* canvas, |
| const gfx::Rect& rect) const { |
| cc::PaintFlags flags; |
| flags.setColor(GetSystemColor(NativeTheme::kColorId_MenuSeparatorColor)); |
| int position_x = rect.x() + rect.width() / 2; |
| canvas->drawLine(position_x, rect.y(), position_x, rect.bottom(), flags); |
| } |
| |
| void NativeThemeWin::PaintMenuBackground(cc::PaintCanvas* canvas, |
| const gfx::Rect& rect) const { |
| cc::PaintFlags flags; |
| flags.setColor(GetSystemColor(NativeTheme::kColorId_MenuBackgroundColor)); |
| canvas->drawRect(gfx::RectToSkRect(rect), flags); |
| } |
| |
| void NativeThemeWin::PaintDirect(SkCanvas* destination_canvas, |
| HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ExtraParams& extra) const { |
| switch (part) { |
| case kCheckbox: |
| PaintCheckbox(hdc, part, state, rect, extra.button); |
| return; |
| case kInnerSpinButton: |
| PaintSpinButton(hdc, part, state, rect, extra.inner_spin); |
| return; |
| case kMenuList: |
| PaintMenuList(hdc, state, rect, extra.menu_list); |
| return; |
| case kMenuCheck: |
| PaintMenuCheck(hdc, state, rect, extra.menu_check); |
| return; |
| case kMenuCheckBackground: |
| PaintMenuCheckBackground(hdc, state, rect); |
| return; |
| case kMenuPopupArrow: |
| PaintMenuArrow(hdc, state, rect, extra.menu_arrow); |
| return; |
| case kProgressBar: |
| PaintProgressBar(hdc, rect, extra.progress_bar); |
| return; |
| case kPushButton: |
| PaintPushButton(hdc, part, state, rect, extra.button); |
| return; |
| case kRadio: |
| PaintRadioButton(hdc, part, state, rect, extra.button); |
| return; |
| case kScrollbarDownArrow: |
| case kScrollbarUpArrow: |
| case kScrollbarLeftArrow: |
| case kScrollbarRightArrow: |
| PaintScrollbarArrow(hdc, part, state, rect, extra.scrollbar_arrow); |
| return; |
| case kScrollbarHorizontalThumb: |
| case kScrollbarVerticalThumb: |
| case kScrollbarHorizontalGripper: |
| case kScrollbarVerticalGripper: |
| PaintScrollbarThumb(hdc, part, state, rect, extra.scrollbar_thumb); |
| return; |
| case kScrollbarHorizontalTrack: |
| case kScrollbarVerticalTrack: |
| PaintScrollbarTrack(destination_canvas, hdc, part, state, rect, |
| extra.scrollbar_track); |
| return; |
| case kScrollbarCorner: |
| destination_canvas->drawColor(SK_ColorWHITE, SkBlendMode::kSrc); |
| return; |
| case kTabPanelBackground: |
| PaintTabPanelBackground(hdc, rect); |
| return; |
| case kTextField: |
| PaintTextField(hdc, part, state, rect, extra.text_field); |
| return; |
| case kTrackbarThumb: |
| case kTrackbarTrack: |
| PaintTrackbar(destination_canvas, hdc, part, state, rect, extra.trackbar); |
| return; |
| case kWindowResizeGripper: |
| PaintWindowResizeGripper(hdc, rect); |
| return; |
| case kMenuPopupBackground: |
| case kMenuPopupGutter: |
| case kMenuPopupSeparator: |
| case kMenuItemBackground: |
| case kSliderTrack: |
| case kSliderThumb: |
| case kMaxPart: |
| NOTREACHED(); |
| } |
| } |
| |
| SkColor NativeThemeWin::GetSystemColor(ColorId color_id) const { |
| // TODO: Obtain the correct colors for these using GetSysColor. |
| // Button: |
| constexpr SkColor kButtonHoverColor = SkColorSetRGB(6, 45, 117); |
| constexpr SkColor kProminentButtonColorInvert = gfx::kGoogleBlue300; |
| // MenuItem: |
| constexpr SkColor kMenuSchemeHighlightBackgroundColorInvert = |
| SkColorSetRGB(0x30, 0x30, 0x30); |
| // Label: |
| constexpr SkColor kLabelTextSelectionBackgroundFocusedColor = |
| gfx::kGoogleBlue700; |
| |
| switch (color_id) { |
| // Windows |
| case kColorId_WindowBackground: |
| return system_colors_[COLOR_WINDOW]; |
| |
| // Dialogs |
| case kColorId_DialogBackground: |
| case kColorId_BubbleBackground: |
| break; |
| |
| // FocusableBorder |
| case kColorId_FocusedBorderColor: |
| case kColorId_UnfocusedBorderColor: |
| break; |
| |
| // Button |
| case kColorId_ButtonEnabledColor: |
| return system_colors_[COLOR_BTNTEXT]; |
| case kColorId_ButtonHoverColor: |
| return kButtonHoverColor; |
| |
| // Label |
| case kColorId_LabelEnabledColor: |
| return system_colors_[COLOR_BTNTEXT]; |
| case kColorId_LabelDisabledColor: |
| return system_colors_[COLOR_GRAYTEXT]; |
| case kColorId_LabelTextSelectionColor: |
| return system_colors_[COLOR_HIGHLIGHTTEXT]; |
| case kColorId_LabelTextSelectionBackgroundFocused: |
| return kLabelTextSelectionBackgroundFocusedColor; |
| |
| // Textfield |
| case kColorId_TextfieldDefaultColor: |
| return system_colors_[COLOR_WINDOWTEXT]; |
| case kColorId_TextfieldDefaultBackground: |
| return system_colors_[COLOR_WINDOW]; |
| case kColorId_TextfieldReadOnlyColor: |
| return system_colors_[COLOR_GRAYTEXT]; |
| case kColorId_TextfieldReadOnlyBackground: |
| return system_colors_[COLOR_3DFACE]; |
| case kColorId_TextfieldSelectionColor: |
| return system_colors_[COLOR_HIGHLIGHTTEXT]; |
| case kColorId_TextfieldSelectionBackgroundFocused: |
| return system_colors_[COLOR_HIGHLIGHT]; |
| |
| // Tooltip |
| case kColorId_TooltipBackground: |
| case kColorId_TooltipText: |
| NOTREACHED(); |
| return gfx::kPlaceholderColor; |
| |
| // Tree |
| // NOTE: these aren't right for all themes, but as close as I could get. |
| case kColorId_TreeBackground: |
| return system_colors_[COLOR_WINDOW]; |
| case kColorId_TreeText: |
| return system_colors_[COLOR_WINDOWTEXT]; |
| case kColorId_TreeSelectedText: |
| return system_colors_[COLOR_HIGHLIGHTTEXT]; |
| case kColorId_TreeSelectedTextUnfocused: |
| return system_colors_[COLOR_BTNTEXT]; |
| case kColorId_TreeSelectionBackgroundFocused: |
| return system_colors_[COLOR_HIGHLIGHT]; |
| case kColorId_TreeSelectionBackgroundUnfocused: |
| return system_colors_[UsesHighContrastColors() ? COLOR_MENUHIGHLIGHT |
| : COLOR_BTNFACE]; |
| |
| // Table |
| case kColorId_TableBackground: |
| return system_colors_[COLOR_WINDOW]; |
| case kColorId_TableText: |
| return system_colors_[COLOR_WINDOWTEXT]; |
| case kColorId_TableSelectedText: |
| return system_colors_[COLOR_HIGHLIGHTTEXT]; |
| case kColorId_TableSelectedTextUnfocused: |
| return system_colors_[COLOR_BTNTEXT]; |
| case kColorId_TableSelectionBackgroundFocused: |
| return system_colors_[COLOR_HIGHLIGHT]; |
| case kColorId_TableSelectionBackgroundUnfocused: |
| return system_colors_[UsesHighContrastColors() ? COLOR_MENUHIGHLIGHT |
| : COLOR_BTNFACE]; |
| case kColorId_TableGroupingIndicatorColor: |
| return system_colors_[COLOR_GRAYTEXT]; |
| |
| // Results Tables |
| case kColorId_ResultsTableNormalBackground: |
| return system_colors_[COLOR_WINDOW]; |
| case kColorId_ResultsTableHoveredBackground: |
| return color_utils::AlphaBlend(system_colors_[COLOR_HIGHLIGHT], |
| system_colors_[COLOR_WINDOW], 0x40); |
| case kColorId_ResultsTableNormalText: |
| return system_colors_[COLOR_WINDOWTEXT]; |
| case kColorId_ResultsTableDimmedText: |
| return color_utils::AlphaBlend(system_colors_[COLOR_WINDOWTEXT], |
| system_colors_[COLOR_WINDOW], 0x80); |
| default: |
| break; |
| } |
| |
| if (color_utils::IsInvertedColorScheme()) { |
| switch (color_id) { |
| case NativeTheme::kColorId_FocusedMenuItemBackgroundColor: |
| return kMenuSchemeHighlightBackgroundColorInvert; |
| case NativeTheme::kColorId_ProminentButtonColor: |
| return kProminentButtonColorInvert; |
| default: |
| return color_utils::InvertColor(GetAuraColor(color_id, this)); |
| } |
| } |
| |
| return GetAuraColor(color_id, this); |
| } |
| |
| bool NativeThemeWin::SupportsNinePatch(Part part) const { |
| // The only nine-patch resources currently supported (overlay scrollbar) are |
| // painted by NativeThemeAura on Windows. |
| return false; |
| } |
| |
| gfx::Size NativeThemeWin::GetNinePatchCanvasSize(Part part) const { |
| NOTREACHED() << "NativeThemeWin doesn't support nine-patch resources."; |
| return gfx::Size(); |
| } |
| |
| gfx::Rect NativeThemeWin::GetNinePatchAperture(Part part) const { |
| NOTREACHED() << "NativeThemeWin doesn't support nine-patch resources."; |
| return gfx::Rect(); |
| } |
| |
| bool NativeThemeWin::UsesHighContrastColors() const { |
| bool force_enabled = base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kForceHighContrast); |
| return force_enabled || IsUsingHighContrastThemeInternal(); |
| } |
| |
| void NativeThemeWin::PaintIndirect(cc::PaintCanvas* destination_canvas, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ExtraParams& extra) const { |
| // TODO(asvitkine): This path is pretty inefficient - for each paint operation |
| // it creates a new offscreen bitmap Skia canvas. This can be sped up by doing |
| // it only once per part/state and keeping a cache of the resulting bitmaps. |
| // |
| // TODO(enne): This could also potentially be sped up for software raster |
| // by moving these draw ops into PaintRecord itself and then moving the |
| // PaintDirect code to be part of the raster for PaintRecord. |
| |
| // If this process doesn't have access to GDI, we'd need to use shared memory |
| // segment instead but that is not supported right now. |
| if (!base::win::IsUser32AndGdi32Available()) |
| return; |
| |
| ScopedCreateDCWithBitmap offscreen_hdc(CreateCompatibleDC(nullptr)); |
| if (!offscreen_hdc.IsValid()) |
| return; |
| |
| skia::InitializeDC(offscreen_hdc.Get()); |
| HRGN clip = CreateRectRgn(0, 0, rect.width(), rect.height()); |
| if ((SelectClipRgn(offscreen_hdc.Get(), clip) == ERROR) || |
| !DeleteObject(clip)) { |
| return; |
| } |
| |
| if (!offscreen_hdc.SelectBitmap(skia::CreateHBitmap( |
| rect.width(), rect.height(), false, nullptr, nullptr))) { |
| return; |
| } |
| |
| // Will be NULL if lower-level Windows calls fail, or if the backing |
| // allocated is 0 pixels in size (which should never happen according to |
| // Windows documentation). |
| sk_sp<SkSurface> offscreen_surface = |
| skia::MapPlatformSurface(offscreen_hdc.Get()); |
| if (!offscreen_surface) |
| return; |
| |
| SkCanvas* offscreen_canvas = offscreen_surface->getCanvas(); |
| DCHECK(offscreen_canvas); |
| |
| // Some of the Windows theme drawing operations do not write correct alpha |
| // values for fully-opaque pixels; instead the pixels get alpha 0. This is |
| // especially a problem on Windows XP or when using the Classic theme. |
| // |
| // To work-around this, mark all pixels with a placeholder value, to detect |
| // which pixels get touched by the paint operation. After paint, set any |
| // pixels that have alpha 0 to opaque and placeholders to fully-transparent. |
| constexpr SkColor placeholder = SkColorSetARGB(1, 0, 0, 0); |
| offscreen_canvas->clear(placeholder); |
| |
| // Offset destination rects to have origin (0,0). |
| gfx::Rect adjusted_rect(rect.size()); |
| ExtraParams adjusted_extra(extra); |
| switch (part) { |
| case kProgressBar: |
| adjusted_extra.progress_bar.value_rect_x = 0; |
| adjusted_extra.progress_bar.value_rect_y = 0; |
| break; |
| case kScrollbarHorizontalTrack: |
| case kScrollbarVerticalTrack: |
| adjusted_extra.scrollbar_track.track_x = 0; |
| adjusted_extra.scrollbar_track.track_y = 0; |
| break; |
| default: |
| break; |
| } |
| // Draw the theme controls using existing HDC-drawing code. |
| PaintDirect(offscreen_canvas, offscreen_hdc.Get(), part, state, |
| adjusted_rect, adjusted_extra); |
| |
| SkBitmap offscreen_bitmap = skia::MapPlatformBitmap(offscreen_hdc.Get()); |
| |
| // Post-process the pixels to fix up the alpha values (see big comment above). |
| const SkPMColor placeholder_value = SkPreMultiplyColor(placeholder); |
| const int pixel_count = rect.width() * rect.height(); |
| SkPMColor* pixels = offscreen_bitmap.getAddr32(0, 0); |
| for (int i = 0; i < pixel_count; i++) { |
| if (pixels[i] == placeholder_value) { |
| // Pixel wasn't touched - make it fully transparent. |
| pixels[i] = SkPackARGB32(0, 0, 0, 0); |
| } else if (SkGetPackedA32(pixels[i]) == 0) { |
| // Pixel was touched but has incorrect alpha of 0, make it fully opaque. |
| pixels[i] = SkPackARGB32(0xFF, |
| SkGetPackedR32(pixels[i]), |
| SkGetPackedG32(pixels[i]), |
| SkGetPackedB32(pixels[i])); |
| } |
| } |
| |
| destination_canvas->drawImage( |
| cc::PaintImage::CreateFromBitmap(std::move(offscreen_bitmap)), rect.x(), |
| rect.y()); |
| } |
| |
| HRESULT NativeThemeWin::GetThemePartSize(ThemeName theme_name, |
| HDC hdc, |
| int part_id, |
| int state_id, |
| RECT* rect, |
| int ts, |
| SIZE* size) const { |
| HANDLE handle = GetThemeHandle(theme_name); |
| return (handle && get_theme_part_size_) ? |
| get_theme_part_size_(handle, hdc, part_id, state_id, rect, ts, size) : |
| E_NOTIMPL; |
| } |
| |
| HRESULT NativeThemeWin::PaintButton(HDC hdc, |
| State state, |
| const ButtonExtraParams& extra, |
| int part_id, |
| int state_id, |
| RECT* rect) const { |
| HANDLE handle = GetThemeHandle(BUTTON); |
| if (handle && draw_theme_) |
| return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); |
| |
| // Adjust classic_state based on part, state, and extras. |
| int classic_state = extra.classic_state; |
| switch (part_id) { |
| case BP_CHECKBOX: |
| classic_state |= DFCS_BUTTONCHECK; |
| break; |
| case BP_RADIOBUTTON: |
| classic_state |= DFCS_BUTTONRADIO; |
| break; |
| case BP_PUSHBUTTON: |
| classic_state |= DFCS_BUTTONPUSH; |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| |
| switch (state) { |
| case kDisabled: |
| classic_state |= DFCS_INACTIVE; |
| break; |
| case kHovered: |
| case kNormal: |
| break; |
| case kPressed: |
| classic_state |= DFCS_PUSHED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| if (extra.checked) |
| classic_state |= DFCS_CHECKED; |
| |
| // Draw it manually. |
| // All pressed states have both low bits set, and no other states do. |
| const bool focused = ((state_id & ETS_FOCUSED) == ETS_FOCUSED); |
| const bool pressed = ((state_id & PBS_PRESSED) == PBS_PRESSED); |
| if ((BP_PUSHBUTTON == part_id) && (pressed || focused)) { |
| // BP_PUSHBUTTON has a focus rect drawn around the outer edge, and the |
| // button itself is shrunk by 1 pixel. |
| HBRUSH brush = GetSysColorBrush(COLOR_3DDKSHADOW); |
| if (brush) { |
| FrameRect(hdc, rect, brush); |
| InflateRect(rect, -1, -1); |
| } |
| } |
| DrawFrameControl(hdc, rect, DFC_BUTTON, classic_state); |
| |
| // Draw the focus rectangle (the dotted line box) only on buttons. For radio |
| // and checkboxes, we let webkit draw the focus rectangle (orange glow). |
| if ((BP_PUSHBUTTON == part_id) && focused) { |
| // The focus rect is inside the button. The exact number of pixels depends |
| // on whether we're in classic mode or using uxtheme. |
| if (handle && get_theme_content_rect_) { |
| get_theme_content_rect_(handle, hdc, part_id, state_id, rect, rect); |
| } else { |
| InflateRect(rect, -GetSystemMetrics(SM_CXEDGE), |
| -GetSystemMetrics(SM_CYEDGE)); |
| } |
| DrawFocusRect(hdc, rect); |
| } |
| |
| // Classic theme doesn't support indeterminate checkboxes. We draw |
| // a recangle inside a checkbox like IE10 does. |
| if (part_id == BP_CHECKBOX && extra.indeterminate) { |
| RECT inner_rect = *rect; |
| // "4 / 13" is same as IE10 in classic theme. |
| int padding = (inner_rect.right - inner_rect.left) * 4 / 13; |
| InflateRect(&inner_rect, -padding, -padding); |
| int color_index = state == kDisabled ? COLOR_GRAYTEXT : COLOR_WINDOWTEXT; |
| FillRect(hdc, &inner_rect, GetSysColorBrush(color_index)); |
| } |
| |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintMenuArrow( |
| HDC hdc, |
| State state, |
| const gfx::Rect& rect, |
| const MenuArrowExtraParams& extra) const { |
| int state_id = MSM_NORMAL; |
| if (state == kDisabled) |
| state_id = MSM_DISABLED; |
| |
| HANDLE handle = GetThemeHandle(MENU); |
| RECT rect_win = rect.ToRECT(); |
| if (handle && draw_theme_) { |
| if (extra.pointing_right) { |
| return draw_theme_(handle, hdc, MENU_POPUPSUBMENU, state_id, &rect_win, |
| NULL); |
| } |
| // There is no way to tell the uxtheme API to draw a left pointing arrow; it |
| // doesn't have a flag equivalent to DFCS_MENUARROWRIGHT. But they are |
| // needed for RTL locales on Vista. So use a memory DC and mirror the |
| // region with GDI's StretchBlt. |
| gfx::Rect r(rect); |
| base::win::ScopedCreateDC mem_dc(CreateCompatibleDC(hdc)); |
| base::win::ScopedBitmap mem_bitmap(CreateCompatibleBitmap(hdc, r.width(), |
| r.height())); |
| base::win::ScopedSelectObject select_bitmap(mem_dc.Get(), mem_bitmap.get()); |
| // Copy and horizontally mirror the background from hdc into mem_dc. Use |
| // a negative-width source rect, starting at the rightmost pixel. |
| StretchBlt(mem_dc.Get(), 0, 0, r.width(), r.height(), |
| hdc, r.right()-1, r.y(), -r.width(), r.height(), SRCCOPY); |
| // Draw the arrow. |
| RECT theme_rect = {0, 0, r.width(), r.height()}; |
| HRESULT result = draw_theme_(handle, mem_dc.Get(), MENU_POPUPSUBMENU, |
| state_id, &theme_rect, NULL); |
| // Copy and mirror the result back into mem_dc. |
| StretchBlt(hdc, r.x(), r.y(), r.width(), r.height(), |
| mem_dc.Get(), r.width()-1, 0, -r.width(), r.height(), SRCCOPY); |
| return result; |
| } |
| |
| // For some reason, Windows uses the name DFCS_MENUARROWRIGHT to indicate a |
| // left pointing arrow. This makes the following statement counterintuitive. |
| UINT pfc_state = extra.pointing_right ? DFCS_MENUARROW : DFCS_MENUARROWRIGHT; |
| return PaintFrameControl(hdc, rect, DFC_MENU, pfc_state, extra.is_selected, |
| state); |
| } |
| |
| HRESULT NativeThemeWin::PaintMenuCheck( |
| HDC hdc, |
| State state, |
| const gfx::Rect& rect, |
| const MenuCheckExtraParams& extra) const { |
| HANDLE handle = GetThemeHandle(MENU); |
| if (handle && draw_theme_) { |
| const int state_id = extra.is_radio ? |
| ((state == kDisabled) ? MC_BULLETDISABLED : MC_BULLETNORMAL) : |
| ((state == kDisabled) ? MC_CHECKMARKDISABLED : MC_CHECKMARKNORMAL); |
| RECT rect_win = rect.ToRECT(); |
| return draw_theme_(handle, hdc, MENU_POPUPCHECK, state_id, &rect_win, NULL); |
| } |
| |
| return PaintFrameControl(hdc, rect, DFC_MENU, |
| extra.is_radio ? DFCS_MENUBULLET : DFCS_MENUCHECK, |
| extra.is_selected, state); |
| } |
| |
| HRESULT NativeThemeWin::PaintMenuCheckBackground(HDC hdc, |
| State state, |
| const gfx::Rect& rect) const { |
| HANDLE handle = GetThemeHandle(MENU); |
| if (!handle || !draw_theme_) |
| return S_OK; // Nothing to do for background. |
| |
| int state_id = state == kDisabled ? MCB_DISABLED : MCB_NORMAL; |
| RECT rect_win = rect.ToRECT(); |
| return draw_theme_(handle, hdc, MENU_POPUPCHECKBACKGROUND, state_id, |
| &rect_win, NULL); |
| } |
| |
| HRESULT NativeThemeWin::PaintPushButton(HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ButtonExtraParams& extra) const { |
| int state_id = extra.is_default ? PBS_DEFAULTED : PBS_NORMAL; |
| switch (state) { |
| case kDisabled: |
| state_id = PBS_DISABLED; |
| break; |
| case kHovered: |
| state_id = PBS_HOT; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| state_id = PBS_PRESSED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| RECT rect_win = rect.ToRECT(); |
| return PaintButton(hdc, state, extra, BP_PUSHBUTTON, state_id, &rect_win); |
| } |
| |
| HRESULT NativeThemeWin::PaintRadioButton(HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ButtonExtraParams& extra) const { |
| int state_id = extra.checked ? RBS_CHECKEDNORMAL : RBS_UNCHECKEDNORMAL; |
| switch (state) { |
| case kDisabled: |
| state_id = extra.checked ? RBS_CHECKEDDISABLED : RBS_UNCHECKEDDISABLED; |
| break; |
| case kHovered: |
| state_id = extra.checked ? RBS_CHECKEDHOT : RBS_UNCHECKEDHOT; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| state_id = extra.checked ? RBS_CHECKEDPRESSED : RBS_UNCHECKEDPRESSED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| RECT rect_win = rect.ToRECT(); |
| return PaintButton(hdc, state, extra, BP_RADIOBUTTON, state_id, &rect_win); |
| } |
| |
| HRESULT NativeThemeWin::PaintCheckbox(HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ButtonExtraParams& extra) const { |
| int state_id = extra.checked ? |
| CBS_CHECKEDNORMAL : |
| (extra.indeterminate ? CBS_MIXEDNORMAL : CBS_UNCHECKEDNORMAL); |
| switch (state) { |
| case kDisabled: |
| state_id = extra.checked ? |
| CBS_CHECKEDDISABLED : |
| (extra.indeterminate ? CBS_MIXEDDISABLED : CBS_UNCHECKEDDISABLED); |
| break; |
| case kHovered: |
| state_id = extra.checked ? |
| CBS_CHECKEDHOT : |
| (extra.indeterminate ? CBS_MIXEDHOT : CBS_UNCHECKEDHOT); |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| state_id = extra.checked ? |
| CBS_CHECKEDPRESSED : |
| (extra.indeterminate ? CBS_MIXEDPRESSED : CBS_UNCHECKEDPRESSED); |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| RECT rect_win = rect.ToRECT(); |
| return PaintButton(hdc, state, extra, BP_CHECKBOX, state_id, &rect_win); |
| } |
| |
| HRESULT NativeThemeWin::PaintMenuList(HDC hdc, |
| State state, |
| const gfx::Rect& rect, |
| const MenuListExtraParams& extra) const { |
| HANDLE handle = GetThemeHandle(MENULIST); |
| RECT rect_win = rect.ToRECT(); |
| int state_id = CBXS_NORMAL; |
| switch (state) { |
| case kDisabled: |
| state_id = CBXS_DISABLED; |
| break; |
| case kHovered: |
| state_id = CBXS_HOT; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| state_id = CBXS_PRESSED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| if (handle && draw_theme_) |
| return draw_theme_(handle, hdc, CP_DROPDOWNBUTTON, state_id, &rect_win, |
| NULL); |
| |
| // Draw it manually. |
| DrawFrameControl(hdc, &rect_win, DFC_SCROLL, |
| DFCS_SCROLLCOMBOBOX | extra.classic_state); |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintScrollbarArrow( |
| HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ScrollbarArrowExtraParams& extra) const { |
| static const int state_id_matrix[4][kNumStates] = { |
| {ABS_DOWNDISABLED, ABS_DOWNHOT, ABS_DOWNNORMAL, ABS_DOWNPRESSED}, |
| {ABS_LEFTDISABLED, ABS_LEFTHOT, ABS_LEFTNORMAL, ABS_LEFTPRESSED}, |
| {ABS_RIGHTDISABLED, ABS_RIGHTHOT, ABS_RIGHTNORMAL, ABS_RIGHTPRESSED}, |
| {ABS_UPDISABLED, ABS_UPHOT, ABS_UPNORMAL, ABS_UPPRESSED}, |
| }; |
| HANDLE handle = GetThemeHandle(SCROLLBAR); |
| RECT rect_win = rect.ToRECT(); |
| if (handle && draw_theme_) { |
| int index = part - kScrollbarDownArrow; |
| DCHECK_GE(index, 0); |
| DCHECK_LT(static_cast<size_t>(index), arraysize(state_id_matrix)); |
| int state_id = state_id_matrix[index][state]; |
| |
| // Hovering means that the cursor is over the scroolbar, but not over the |
| // specific arrow itself. We don't want to show it "hot" mode, but only |
| // in "hover" mode. |
| if (state == kHovered && extra.is_hovering) { |
| switch (part) { |
| case kScrollbarDownArrow: |
| state_id = ABS_DOWNHOVER; |
| break; |
| case kScrollbarLeftArrow: |
| state_id = ABS_LEFTHOVER; |
| break; |
| case kScrollbarRightArrow: |
| state_id = ABS_RIGHTHOVER; |
| break; |
| case kScrollbarUpArrow: |
| state_id = ABS_UPHOVER; |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| } |
| return PaintScaledTheme(handle, hdc, SBP_ARROWBTN, state_id, rect); |
| } |
| |
| int classic_state = DFCS_SCROLLDOWN; |
| switch (part) { |
| case kScrollbarDownArrow: |
| break; |
| case kScrollbarLeftArrow: |
| classic_state = DFCS_SCROLLLEFT; |
| break; |
| case kScrollbarRightArrow: |
| classic_state = DFCS_SCROLLRIGHT; |
| break; |
| case kScrollbarUpArrow: |
| classic_state = DFCS_SCROLLUP; |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| switch (state) { |
| case kDisabled: |
| classic_state |= DFCS_INACTIVE; |
| break; |
| case kHovered: |
| classic_state |= DFCS_HOT; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| classic_state |= DFCS_PUSHED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| DrawFrameControl(hdc, &rect_win, DFC_SCROLL, classic_state); |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintScrollbarThumb( |
| HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ScrollbarThumbExtraParams& extra) const { |
| HANDLE handle = GetThemeHandle(SCROLLBAR); |
| RECT rect_win = rect.ToRECT(); |
| |
| int part_id = SBP_THUMBBTNVERT; |
| switch (part) { |
| case kScrollbarHorizontalThumb: |
| part_id = SBP_THUMBBTNHORZ; |
| break; |
| case kScrollbarVerticalThumb: |
| break; |
| case kScrollbarHorizontalGripper: |
| part_id = SBP_GRIPPERHORZ; |
| break; |
| case kScrollbarVerticalGripper: |
| part_id = SBP_GRIPPERVERT; |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| |
| int state_id = SCRBS_NORMAL; |
| switch (state) { |
| case kDisabled: |
| state_id = SCRBS_DISABLED; |
| break; |
| case kHovered: |
| state_id = extra.is_hovering ? SCRBS_HOVER : SCRBS_HOT; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| state_id = SCRBS_PRESSED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| if (handle && draw_theme_) |
| return PaintScaledTheme(handle, hdc, part_id, state_id, rect); |
| |
| // Draw it manually. |
| if ((part_id == SBP_THUMBBTNHORZ) || (part_id == SBP_THUMBBTNVERT)) |
| DrawEdge(hdc, &rect_win, EDGE_RAISED, BF_RECT | BF_MIDDLE); |
| // Classic mode doesn't have a gripper. |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintScrollbarTrack( |
| SkCanvas* canvas, |
| HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ScrollbarTrackExtraParams& extra) const { |
| HANDLE handle = GetThemeHandle(SCROLLBAR); |
| RECT rect_win = rect.ToRECT(); |
| |
| const int part_id = extra.is_upper ? |
| ((part == kScrollbarHorizontalTrack) ? |
| SBP_UPPERTRACKHORZ : SBP_UPPERTRACKVERT) : |
| ((part == kScrollbarHorizontalTrack) ? |
| SBP_LOWERTRACKHORZ : SBP_LOWERTRACKVERT); |
| |
| int state_id = SCRBS_NORMAL; |
| switch (state) { |
| case kDisabled: |
| state_id = SCRBS_DISABLED; |
| break; |
| case kHovered: |
| state_id = SCRBS_HOVER; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| state_id = SCRBS_PRESSED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| if (handle && draw_theme_) |
| return draw_theme_(handle, hdc, part_id, state_id, &rect_win, NULL); |
| |
| // Draw it manually. |
| if ((system_colors_[COLOR_SCROLLBAR] != system_colors_[COLOR_3DFACE]) && |
| (system_colors_[COLOR_SCROLLBAR] != system_colors_[COLOR_WINDOW])) { |
| FillRect(hdc, &rect_win, reinterpret_cast<HBRUSH>(COLOR_SCROLLBAR + 1)); |
| } else { |
| SkPaint paint; |
| RECT align_rect = gfx::Rect(extra.track_x, extra.track_y, extra.track_width, |
| extra.track_height).ToRECT(); |
| SetCheckerboardShader(&paint, align_rect); |
| canvas->drawIRect(skia::RECTToSkIRect(rect_win), paint); |
| } |
| if (extra.classic_state & DFCS_PUSHED) |
| InvertRect(hdc, &rect_win); |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintSpinButton( |
| HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const InnerSpinButtonExtraParams& extra) const { |
| HANDLE handle = GetThemeHandle(SPIN); |
| RECT rect_win = rect.ToRECT(); |
| int part_id = extra.spin_up ? SPNP_UP : SPNP_DOWN; |
| int state_id = extra.spin_up ? UPS_NORMAL : DNS_NORMAL; |
| switch (state) { |
| case kDisabled: |
| state_id = extra.spin_up ? UPS_DISABLED : DNS_DISABLED; |
| break; |
| case kHovered: |
| state_id = extra.spin_up ? UPS_HOT : DNS_HOT; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| state_id = extra.spin_up ? UPS_PRESSED : DNS_PRESSED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| if (handle && draw_theme_) |
| return draw_theme_(handle, hdc, part_id, state_id, &rect_win, NULL); |
| DrawFrameControl(hdc, &rect_win, DFC_SCROLL, extra.classic_state); |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintTrackbar(SkCanvas* canvas, |
| HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const TrackbarExtraParams& extra) const { |
| const int part_id = extra.vertical ? |
| ((part == kTrackbarTrack) ? TKP_TRACKVERT : TKP_THUMBVERT) : |
| ((part == kTrackbarTrack) ? TKP_TRACK : TKP_THUMBBOTTOM); |
| |
| int state_id = TUS_NORMAL; |
| switch (state) { |
| case kDisabled: |
| state_id = TUS_DISABLED; |
| break; |
| case kHovered: |
| state_id = TUS_HOT; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| state_id = TUS_PRESSED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| // Make the channel be 4 px thick in the center of the supplied rect. (4 px |
| // matches what XP does in various menus; GetThemePartSize() doesn't seem to |
| // return good values here.) |
| RECT rect_win = rect.ToRECT(); |
| RECT channel_rect = rect.ToRECT(); |
| const int channel_thickness = 4; |
| if (part_id == TKP_TRACK) { |
| channel_rect.top += |
| ((channel_rect.bottom - channel_rect.top - channel_thickness) / 2); |
| channel_rect.bottom = channel_rect.top + channel_thickness; |
| } else if (part_id == TKP_TRACKVERT) { |
| channel_rect.left += |
| ((channel_rect.right - channel_rect.left - channel_thickness) / 2); |
| channel_rect.right = channel_rect.left + channel_thickness; |
| } // else this isn't actually a channel, so |channel_rect| == |rect|. |
| |
| HANDLE handle = GetThemeHandle(TRACKBAR); |
| if (handle && draw_theme_) |
| return draw_theme_(handle, hdc, part_id, state_id, &channel_rect, NULL); |
| |
| // Classic mode, draw it manually. |
| if ((part_id == TKP_TRACK) || (part_id == TKP_TRACKVERT)) { |
| DrawEdge(hdc, &channel_rect, EDGE_SUNKEN, BF_RECT); |
| } else if (part_id == TKP_THUMBVERT) { |
| DrawEdge(hdc, &rect_win, EDGE_RAISED, BF_RECT | BF_SOFT | BF_MIDDLE); |
| } else { |
| // Split rect into top and bottom pieces. |
| RECT top_section = rect.ToRECT(); |
| RECT bottom_section = rect.ToRECT(); |
| top_section.bottom -= ((bottom_section.right - bottom_section.left) / 2); |
| bottom_section.top = top_section.bottom; |
| DrawEdge(hdc, &top_section, EDGE_RAISED, |
| BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT | BF_MIDDLE | BF_ADJUST); |
| |
| // Split triangular piece into two diagonals. |
| RECT& left_half = bottom_section; |
| RECT right_half = bottom_section; |
| right_half.left += ((bottom_section.right - bottom_section.left) / 2); |
| left_half.right = right_half.left; |
| DrawEdge(hdc, &left_half, EDGE_RAISED, |
| BF_DIAGONAL_ENDTOPLEFT | BF_SOFT | BF_MIDDLE | BF_ADJUST); |
| DrawEdge(hdc, &right_half, EDGE_RAISED, |
| BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT | BF_MIDDLE | BF_ADJUST); |
| |
| // If the button is pressed, draw hatching. |
| if (extra.classic_state & DFCS_PUSHED) { |
| SkPaint paint; |
| SetCheckerboardShader(&paint, rect_win); |
| |
| // Fill all three pieces with the pattern. |
| canvas->drawIRect(skia::RECTToSkIRect(top_section), paint); |
| |
| SkScalar left_triangle_top = SkIntToScalar(left_half.top); |
| SkScalar left_triangle_right = SkIntToScalar(left_half.right); |
| SkPath left_triangle; |
| left_triangle.moveTo(SkIntToScalar(left_half.left), left_triangle_top); |
| left_triangle.lineTo(left_triangle_right, left_triangle_top); |
| left_triangle.lineTo(left_triangle_right, |
| SkIntToScalar(left_half.bottom)); |
| left_triangle.close(); |
| canvas->drawPath(left_triangle, paint); |
| |
| SkScalar right_triangle_left = SkIntToScalar(right_half.left); |
| SkScalar right_triangle_top = SkIntToScalar(right_half.top); |
| SkPath right_triangle; |
| right_triangle.moveTo(right_triangle_left, right_triangle_top); |
| right_triangle.lineTo(SkIntToScalar(right_half.right), |
| right_triangle_top); |
| right_triangle.lineTo(right_triangle_left, |
| SkIntToScalar(right_half.bottom)); |
| right_triangle.close(); |
| canvas->drawPath(right_triangle, paint); |
| } |
| } |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintProgressBar( |
| HDC hdc, |
| const gfx::Rect& rect, |
| const ProgressBarExtraParams& extra) const { |
| // There is no documentation about the animation speed, frame-rate, nor |
| // size of moving overlay of the indeterminate progress bar. |
| // So we just observed real-world programs and guessed following parameters. |
| const int kDeterminateOverlayPixelsPerSecond = 300; |
| const int kDeterminateOverlayWidth = 120; |
| const int kIndeterminateOverlayPixelsPerSecond = 175; |
| const int kIndeterminateOverlayWidth = 120; |
| |
| RECT bar_rect = rect.ToRECT(); |
| RECT value_rect = gfx::Rect(extra.value_rect_x, |
| extra.value_rect_y, |
| extra.value_rect_width, |
| extra.value_rect_height).ToRECT(); |
| |
| HANDLE handle = GetThemeHandle(PROGRESS); |
| if (!handle || !draw_theme_ || !draw_theme_ex_) { |
| FillRect(hdc, &bar_rect, GetSysColorBrush(COLOR_BTNFACE)); |
| FillRect(hdc, &value_rect, GetSysColorBrush(COLOR_BTNSHADOW)); |
| DrawEdge(hdc, &bar_rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST); |
| return S_OK; |
| } |
| |
| draw_theme_(handle, hdc, PP_BAR, 0, &bar_rect, NULL); |
| |
| int bar_width = bar_rect.right - bar_rect.left; |
| if (!extra.determinate) { |
| // The glossy overlay for the indeterminate progress bar has a small pause |
| // after each animation. We emulate this by adding an invisible margin the |
| // animation has to traverse. |
| int width_with_margin = bar_width + kIndeterminateOverlayPixelsPerSecond; |
| int overlay_width = kIndeterminateOverlayWidth; |
| RECT overlay_rect = bar_rect; |
| overlay_rect.left += ComputeAnimationProgress( |
| width_with_margin, overlay_width, kIndeterminateOverlayPixelsPerSecond, |
| extra.animated_seconds); |
| overlay_rect.right = overlay_rect.left + overlay_width; |
| draw_theme_(handle, hdc, PP_MOVEOVERLAY, 0, &overlay_rect, &bar_rect); |
| return S_OK; |
| } |
| |
| // We care about the direction here because PP_CHUNK painting is asymmetric. |
| // TODO(morrita): This RTL guess can be wrong. We should pass in the |
| // direction from WebKit. |
| const DTBGOPTS value_draw_options = { |
| sizeof(DTBGOPTS), |
| (bar_rect.right == value_rect.right && bar_rect.left != value_rect.left) ? |
| DTBG_MIRRORDC : 0u, |
| bar_rect |
| }; |
| |
| // On Vista or later, the progress bar part has a single-block value part |
| // and a glossy effect. The value part has exactly same height as the bar |
| // part, so we don't need to shrink the rect. |
| draw_theme_ex_(handle, hdc, PP_FILL, 0, &value_rect, &value_draw_options); |
| |
| RECT overlay_rect = value_rect; |
| overlay_rect.left += ComputeAnimationProgress( |
| bar_width, kDeterminateOverlayWidth, kDeterminateOverlayPixelsPerSecond, |
| extra.animated_seconds); |
| overlay_rect.right = overlay_rect.left + kDeterminateOverlayWidth; |
| draw_theme_(handle, hdc, PP_MOVEOVERLAY, 0, &overlay_rect, &value_rect); |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintWindowResizeGripper(HDC hdc, |
| const gfx::Rect& rect) const { |
| HANDLE handle = GetThemeHandle(STATUS); |
| RECT rect_win = rect.ToRECT(); |
| if (handle && draw_theme_) { |
| // Paint the status bar gripper. There doesn't seem to be a standard |
| // gripper in Windows for the space between scrollbars. This is pretty |
| // close, but it's supposed to be painted over a status bar. |
| return draw_theme_(handle, hdc, SP_GRIPPER, 0, &rect_win, NULL); |
| } |
| |
| // Draw a windows classic scrollbar gripper. |
| DrawFrameControl(hdc, &rect_win, DFC_SCROLL, DFCS_SCROLLSIZEGRIP); |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintTabPanelBackground(HDC hdc, |
| const gfx::Rect& rect) const { |
| HANDLE handle = GetThemeHandle(TAB); |
| RECT rect_win = rect.ToRECT(); |
| if (handle && draw_theme_) |
| return draw_theme_(handle, hdc, TABP_BODY, 0, &rect_win, NULL); |
| |
| // Classic just renders a flat color background. |
| FillRect(hdc, &rect_win, reinterpret_cast<HBRUSH>(COLOR_3DFACE + 1)); |
| return S_OK; |
| } |
| |
| HRESULT NativeThemeWin::PaintTextField( |
| HDC hdc, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const TextFieldExtraParams& extra) const { |
| int state_id = ETS_NORMAL; |
| switch (state) { |
| case kDisabled: |
| state_id = ETS_DISABLED; |
| break; |
| case kHovered: |
| state_id = ETS_HOT; |
| break; |
| case kNormal: |
| if (extra.is_read_only) |
| state_id = ETS_READONLY; |
| else if (extra.is_focused) |
| state_id = ETS_FOCUSED; |
| break; |
| case kPressed: |
| state_id = ETS_SELECTED; |
| break; |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| |
| RECT rect_win = rect.ToRECT(); |
| return PaintTextField(hdc, EP_EDITTEXT, state_id, extra.classic_state, |
| &rect_win, |
| skia::SkColorToCOLORREF(extra.background_color), |
| extra.fill_content_area, extra.draw_edges); |
| } |
| |
| HRESULT NativeThemeWin::PaintTextField(HDC hdc, |
| int part_id, |
| int state_id, |
| int classic_state, |
| RECT* rect, |
| COLORREF color, |
| bool fill_content_area, |
| bool draw_edges) const { |
| // TODO(ojan): http://b/1210017 Figure out how to give the ability to |
| // exclude individual edges from being drawn. |
| |
| HANDLE handle = GetThemeHandle(TEXTFIELD); |
| // TODO(mpcomplete): can we detect if the color is specified by the user, |
| // and if not, just use the system color? |
| // CreateSolidBrush() accepts a RGB value but alpha must be 0. |
| base::win::ScopedGDIObject<HBRUSH> bg_brush(CreateSolidBrush(color)); |
| // DrawThemeBackgroundEx was introduced in XP SP2, so that it's possible |
| // draw_theme_ex_ is NULL and draw_theme_ is non-null. |
| if (!handle || (!draw_theme_ex_ && (!draw_theme_ || !draw_edges))) { |
| // Draw it manually. |
| if (draw_edges) |
| DrawEdge(hdc, rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST); |
| |
| if (fill_content_area) { |
| FillRect(hdc, rect, (classic_state & DFCS_INACTIVE) |
| ? reinterpret_cast<HBRUSH>(COLOR_BTNFACE + 1) |
| : bg_brush.get()); |
| } |
| return S_OK; |
| } |
| |
| static const DTBGOPTS omit_border_options = { |
| sizeof(DTBGOPTS), |
| DTBG_OMITBORDER, |
| { 0, 0, 0, 0 } |
| }; |
| HRESULT hr = draw_theme_ex_ ? |
| draw_theme_ex_(handle, hdc, part_id, state_id, rect, |
| draw_edges ? NULL : &omit_border_options) : |
| draw_theme_(handle, hdc, part_id, state_id, rect, NULL); |
| |
| // TODO(maruel): Need to be fixed if get_theme_content_rect_ is NULL. |
| if (fill_content_area && get_theme_content_rect_) { |
| RECT content_rect; |
| hr = get_theme_content_rect_(handle, hdc, part_id, state_id, rect, |
| &content_rect); |
| FillRect(hdc, &content_rect, bg_brush.get()); |
| } |
| return hr; |
| } |
| |
| HRESULT NativeThemeWin::PaintScaledTheme(HANDLE theme, |
| HDC hdc, |
| int part_id, |
| int state_id, |
| const gfx::Rect& rect) const { |
| // Correct the scaling and positioning of sub-components such as scrollbar |
| // arrows and thumb grippers in the event that the world transform applies |
| // scaling (e.g. in high-DPI mode). |
| XFORM save_transform; |
| if (GetWorldTransform(hdc, &save_transform)) { |
| float scale = save_transform.eM11; |
| if (scale != 1 && save_transform.eM12 == 0) { |
| ModifyWorldTransform(hdc, NULL, MWT_IDENTITY); |
| gfx::Rect scaled_rect = gfx::ScaleToEnclosedRect(rect, scale); |
| scaled_rect.Offset(save_transform.eDx, save_transform.eDy); |
| RECT bounds = scaled_rect.ToRECT(); |
| HRESULT result = draw_theme_(theme, hdc, part_id, state_id, &bounds, |
| NULL); |
| SetWorldTransform(hdc, &save_transform); |
| return result; |
| } |
| } |
| RECT bounds = rect.ToRECT(); |
| return draw_theme_(theme, hdc, part_id, state_id, &bounds, NULL); |
| } |
| |
| // static |
| NativeThemeWin::ThemeName NativeThemeWin::GetThemeName(Part part) { |
| switch (part) { |
| case kCheckbox: |
| case kPushButton: |
| case kRadio: |
| return BUTTON; |
| case kInnerSpinButton: |
| return SPIN; |
| case kMenuList: |
| case kMenuCheck: |
| case kMenuPopupArrow: |
| case kMenuPopupGutter: |
| case kMenuPopupSeparator: |
| return MENU; |
| case kProgressBar: |
| return PROGRESS; |
| case kScrollbarDownArrow: |
| case kScrollbarLeftArrow: |
| case kScrollbarRightArrow: |
| case kScrollbarUpArrow: |
| case kScrollbarHorizontalThumb: |
| case kScrollbarVerticalThumb: |
| case kScrollbarHorizontalTrack: |
| case kScrollbarVerticalTrack: |
| return SCROLLBAR; |
| case kSliderTrack: |
| case kSliderThumb: |
| return TRACKBAR; |
| case kTextField: |
| return TEXTFIELD; |
| case kWindowResizeGripper: |
| return STATUS; |
| case kMenuCheckBackground: |
| case kMenuPopupBackground: |
| case kMenuItemBackground: |
| case kScrollbarHorizontalGripper: |
| case kScrollbarVerticalGripper: |
| case kScrollbarCorner: |
| case kTabPanelBackground: |
| case kTrackbarThumb: |
| case kTrackbarTrack: |
| case kMaxPart: |
| NOTREACHED(); |
| } |
| return LAST; |
| } |
| |
| // static |
| int NativeThemeWin::GetWindowsPart(Part part, |
| State state, |
| const ExtraParams& extra) { |
| switch (part) { |
| case kCheckbox: |
| return BP_CHECKBOX; |
| case kMenuCheck: |
| return MENU_POPUPCHECK; |
| case kMenuPopupArrow: |
| return MENU_POPUPSUBMENU; |
| case kMenuPopupGutter: |
| return MENU_POPUPGUTTER; |
| case kMenuPopupSeparator: |
| return MENU_POPUPSEPARATOR; |
| case kPushButton: |
| return BP_PUSHBUTTON; |
| case kRadio: |
| return BP_RADIOBUTTON; |
| case kScrollbarDownArrow: |
| case kScrollbarLeftArrow: |
| case kScrollbarRightArrow: |
| case kScrollbarUpArrow: |
| return SBP_ARROWBTN; |
| case kScrollbarHorizontalThumb: |
| return SBP_THUMBBTNHORZ; |
| case kScrollbarVerticalThumb: |
| return SBP_THUMBBTNVERT; |
| case kWindowResizeGripper: |
| return SP_GRIPPER; |
| case kInnerSpinButton: |
| case kMenuList: |
| case kMenuCheckBackground: |
| case kMenuPopupBackground: |
| case kMenuItemBackground: |
| case kProgressBar: |
| case kScrollbarHorizontalTrack: |
| case kScrollbarVerticalTrack: |
| case kScrollbarHorizontalGripper: |
| case kScrollbarVerticalGripper: |
| case kScrollbarCorner: |
| case kSliderTrack: |
| case kSliderThumb: |
| case kTabPanelBackground: |
| case kTextField: |
| case kTrackbarThumb: |
| case kTrackbarTrack: |
| case kMaxPart: |
| NOTREACHED(); |
| } |
| return 0; |
| } |
| |
| int NativeThemeWin::GetWindowsState(Part part, |
| State state, |
| const ExtraParams& extra) { |
| switch (part) { |
| case kCheckbox: |
| switch (state) { |
| case kDisabled: |
| return CBS_UNCHECKEDDISABLED; |
| case kHovered: |
| return CBS_UNCHECKEDHOT; |
| case kNormal: |
| return CBS_UNCHECKEDNORMAL; |
| case kPressed: |
| return CBS_UNCHECKEDPRESSED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kMenuCheck: |
| switch (state) { |
| case kDisabled: |
| return extra.menu_check.is_radio ? |
| MC_BULLETDISABLED : MC_CHECKMARKDISABLED; |
| case kHovered: |
| case kNormal: |
| case kPressed: |
| return extra.menu_check.is_radio ? |
| MC_BULLETNORMAL : MC_CHECKMARKNORMAL; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kMenuPopupArrow: |
| case kMenuPopupGutter: |
| case kMenuPopupSeparator: |
| switch (state) { |
| case kDisabled: |
| return MBI_DISABLED; |
| case kHovered: |
| return MBI_HOT; |
| case kNormal: |
| return MBI_NORMAL; |
| case kPressed: |
| return MBI_PUSHED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kPushButton: |
| switch (state) { |
| case kDisabled: |
| return PBS_DISABLED; |
| case kHovered: |
| return PBS_HOT; |
| case kNormal: |
| return PBS_NORMAL; |
| case kPressed: |
| return PBS_PRESSED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kRadio: |
| switch (state) { |
| case kDisabled: |
| return RBS_UNCHECKEDDISABLED; |
| case kHovered: |
| return RBS_UNCHECKEDHOT; |
| case kNormal: |
| return RBS_UNCHECKEDNORMAL; |
| case kPressed: |
| return RBS_UNCHECKEDPRESSED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kScrollbarDownArrow: |
| switch (state) { |
| case kDisabled: |
| return ABS_DOWNDISABLED; |
| case kHovered: |
| return ABS_DOWNHOVER; |
| case kNormal: |
| return ABS_DOWNNORMAL; |
| case kPressed: |
| return ABS_DOWNPRESSED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kScrollbarLeftArrow: |
| switch (state) { |
| case kDisabled: |
| return ABS_LEFTDISABLED; |
| case kHovered: |
| return ABS_LEFTHOVER; |
| case kNormal: |
| return ABS_LEFTNORMAL; |
| case kPressed: |
| return ABS_LEFTPRESSED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kScrollbarRightArrow: |
| switch (state) { |
| case kDisabled: |
| return ABS_RIGHTDISABLED; |
| case kHovered: |
| return ABS_RIGHTHOVER; |
| case kNormal: |
| return ABS_RIGHTNORMAL; |
| case kPressed: |
| return ABS_RIGHTPRESSED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| break; |
| case kScrollbarUpArrow: |
| switch (state) { |
| case kDisabled: |
| return ABS_UPDISABLED; |
| case kHovered: |
| return ABS_UPHOVER; |
| case kNormal: |
| return ABS_UPNORMAL; |
| case kPressed: |
| return ABS_UPPRESSED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| break; |
| case kScrollbarHorizontalThumb: |
| case kScrollbarVerticalThumb: |
| switch (state) { |
| case kDisabled: |
| return SCRBS_DISABLED; |
| case kHovered: |
| return SCRBS_HOVER; |
| case kNormal: |
| return SCRBS_NORMAL; |
| case kPressed: |
| return SCRBS_PRESSED; |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kWindowResizeGripper: |
| switch (state) { |
| case kDisabled: |
| case kHovered: |
| case kNormal: |
| case kPressed: |
| return 1; // gripper has no windows state |
| case kNumStates: |
| NOTREACHED(); |
| return 0; |
| } |
| case kInnerSpinButton: |
| case kMenuList: |
| case kMenuCheckBackground: |
| case kMenuPopupBackground: |
| case kMenuItemBackground: |
| case kProgressBar: |
| case kScrollbarHorizontalTrack: |
| case kScrollbarVerticalTrack: |
| case kScrollbarHorizontalGripper: |
| case kScrollbarVerticalGripper: |
| case kScrollbarCorner: |
| case kSliderTrack: |
| case kSliderThumb: |
| case kTabPanelBackground: |
| case kTextField: |
| case kTrackbarThumb: |
| case kTrackbarTrack: |
| case kMaxPart: |
| NOTREACHED(); |
| } |
| return 0; |
| } |
| |
| HRESULT NativeThemeWin::PaintFrameControl(HDC hdc, |
| const gfx::Rect& rect, |
| UINT type, |
| UINT state, |
| bool is_selected, |
| State control_state) const { |
| const int width = rect.width(); |
| const int height = rect.height(); |
| |
| // DrawFrameControl for menu arrow/check wants a monochrome bitmap. |
| base::win::ScopedBitmap mask_bitmap(CreateBitmap(width, height, 1, 1, NULL)); |
| |
| if (mask_bitmap == NULL) |
| return E_OUTOFMEMORY; |
| |
| base::win::ScopedCreateDC bitmap_dc(CreateCompatibleDC(NULL)); |
| base::win::ScopedSelectObject select_bitmap(bitmap_dc.Get(), |
| mask_bitmap.get()); |
| RECT local_rect = { 0, 0, width, height }; |
| DrawFrameControl(bitmap_dc.Get(), &local_rect, type, state); |
| |
| // We're going to use BitBlt with a b&w mask. This results in using the dest |
| // dc's text color for the black bits in the mask, and the dest dc's |
| // background color for the white bits in the mask. DrawFrameControl draws the |
| // check in black, and the background in white. |
| int bg_color_key = COLOR_MENU; |
| int text_color_key = COLOR_MENUTEXT; |
| switch (control_state) { |
| case kDisabled: |
| bg_color_key = is_selected ? COLOR_HIGHLIGHT : COLOR_MENU; |
| text_color_key = COLOR_GRAYTEXT; |
| break; |
| case kHovered: |
| bg_color_key = COLOR_HIGHLIGHT; |
| text_color_key = COLOR_HIGHLIGHTTEXT; |
| break; |
| case kNormal: |
| break; |
| case kPressed: |
| case kNumStates: |
| NOTREACHED(); |
| break; |
| } |
| COLORREF old_bg_color = SetBkColor(hdc, GetSysColor(bg_color_key)); |
| COLORREF old_text_color = SetTextColor(hdc, GetSysColor(text_color_key)); |
| BitBlt(hdc, rect.x(), rect.y(), width, height, bitmap_dc.Get(), 0, 0, |
| SRCCOPY); |
| SetBkColor(hdc, old_bg_color); |
| SetTextColor(hdc, old_text_color); |
| |
| return S_OK; |
| } |
| |
| HANDLE NativeThemeWin::GetThemeHandle(ThemeName theme_name) const { |
| if (!open_theme_ || theme_name < 0 || theme_name >= LAST) |
| return 0; |
| |
| if (theme_handles_[theme_name]) |
| return theme_handles_[theme_name]; |
| |
| // Not found, try to load it. |
| HANDLE handle = 0; |
| switch (theme_name) { |
| case BUTTON: |
| handle = open_theme_(NULL, L"Button"); |
| break; |
| case LIST: |
| handle = open_theme_(NULL, L"Listview"); |
| break; |
| case MENU: |
| handle = open_theme_(NULL, L"Menu"); |
| break; |
| case MENULIST: |
| handle = open_theme_(NULL, L"Combobox"); |
| break; |
| case SCROLLBAR: |
| handle = open_theme_(NULL, L"Scrollbar"); |
| break; |
| case STATUS: |
| handle = open_theme_(NULL, L"Status"); |
| break; |
| case TAB: |
| handle = open_theme_(NULL, L"Tab"); |
| break; |
| case TEXTFIELD: |
| handle = open_theme_(NULL, L"Edit"); |
| break; |
| case TRACKBAR: |
| handle = open_theme_(NULL, L"Trackbar"); |
| break; |
| case WINDOW: |
| handle = open_theme_(NULL, L"Window"); |
| break; |
| case PROGRESS: |
| handle = open_theme_(NULL, L"Progress"); |
| break; |
| case SPIN: |
| handle = open_theme_(NULL, L"Spin"); |
| break; |
| case LAST: |
| NOTREACHED(); |
| break; |
| } |
| theme_handles_[theme_name] = handle; |
| return handle; |
| } |
| |
| } // namespace ui |