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Diffstat (limited to 'base/gfx/native_theme.cc')
| -rw-r--r-- | base/gfx/native_theme.cc | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/base/gfx/native_theme.cc b/base/gfx/native_theme.cc deleted file mode 100644 index 75bf67b..0000000 --- a/base/gfx/native_theme.cc +++ /dev/null @@ -1,710 +0,0 @@ -// Copyright (c) 2006-2008 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 "base/gfx/native_theme.h" - -#include <windows.h> -#include <uxtheme.h> -#include <vsstyle.h> -#include <vssym32.h> - -#include "base/gfx/gdi_util.h" -#include "base/gfx/rect.h" -#include "base/logging.h" -#include "base/scoped_handle.h" -#include "skia/ext/platform_canvas.h" -#include "skia/ext/skia_utils_win.h" -#include "third_party/skia/include/core/SkShader.h" - -namespace { - -void SetCheckerboardShader(SkPaint* paint, const RECT& align_rect) { - // Create a 2x2 checkerboard pattern using the 3D face and highlight colors. - SkColor face = skia::COLORREFToSkColor(GetSysColor(COLOR_3DFACE)); - SkColor highlight = skia::COLORREFToSkColor(GetSysColor(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. - SkBitmap temp_bitmap; - temp_bitmap.setConfig(SkBitmap::kARGB_8888_Config, 2, 2); - temp_bitmap.setPixels(buffer); - SkBitmap bitmap; - temp_bitmap.copyTo(&bitmap, temp_bitmap.config()); - SkShader* shader = SkShader::CreateBitmapShader(bitmap, - SkShader::kRepeat_TileMode, - SkShader::kRepeat_TileMode); - - // Align the pattern with the upper corner of |align_rect|. - SkMatrix matrix; - matrix.setTranslate(SkIntToScalar(align_rect.left), - SkIntToScalar(align_rect.top)); - shader->setLocalMatrix(matrix); - paint->setShader(shader)->safeUnref(); -} - -} // namespace - -namespace gfx { - -/* static */ -const NativeTheme* NativeTheme::instance() { - // The global NativeTheme instance. - static const NativeTheme s_native_theme; - return &s_native_theme; -} - -NativeTheme::NativeTheme() - : theme_dll_(LoadLibrary(L"uxtheme.dll")), - draw_theme_(NULL), - draw_theme_ex_(NULL), - get_theme_color_(NULL), - get_theme_content_rect_(NULL), - get_theme_part_size_(NULL), - open_theme_(NULL), - close_theme_(NULL), - set_theme_properties_(NULL), - is_theme_active_(NULL), - get_theme_int_(NULL) { - if (theme_dll_) { - draw_theme_ = reinterpret_cast<DrawThemeBackgroundPtr>( - GetProcAddress(theme_dll_, "DrawThemeBackground")); - draw_theme_ex_ = reinterpret_cast<DrawThemeBackgroundExPtr>( - GetProcAddress(theme_dll_, "DrawThemeBackgroundEx")); - get_theme_color_ = reinterpret_cast<GetThemeColorPtr>( - GetProcAddress(theme_dll_, "GetThemeColor")); - 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")); - set_theme_properties_ = reinterpret_cast<SetThemeAppPropertiesPtr>( - GetProcAddress(theme_dll_, "SetThemeAppProperties")); - is_theme_active_ = reinterpret_cast<IsThemeActivePtr>( - GetProcAddress(theme_dll_, "IsThemeActive")); - get_theme_int_ = reinterpret_cast<GetThemeIntPtr>( - GetProcAddress(theme_dll_, "GetThemeInt")); - } - memset(theme_handles_, 0, sizeof(theme_handles_)); -} - -NativeTheme::~NativeTheme() { - if (theme_dll_) { - // todo (cpu): fix this soon. - // CloseHandles(); - FreeLibrary(theme_dll_); - } -} - -HRESULT NativeTheme::PaintButton(HDC hdc, - int part_id, - int state_id, - int classic_state, - RECT* rect) const { - HANDLE handle = GetThemeHandle(BUTTON); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - - // 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); - } - - return S_OK; -} - -HRESULT NativeTheme::PaintDialogBackground(HDC hdc, bool active, - RECT* rect) const { - HANDLE handle = GetThemeHandle(WINDOW); - if (handle && draw_theme_) { - return draw_theme_(handle, hdc, WP_DIALOG, - active ? FS_ACTIVE : FS_INACTIVE, rect, NULL); - } - - // Classic just renders a flat color background. - FillRect(hdc, rect, reinterpret_cast<HBRUSH>(COLOR_3DFACE + 1)); - return S_OK; -} - -HRESULT NativeTheme::PaintListBackground(HDC hdc, - bool enabled, - RECT* rect) const { - HANDLE handle = GetThemeHandle(LIST); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, 1, TS_NORMAL, rect, NULL); - - // Draw it manually. - HBRUSH bg_brush = GetSysColorBrush(COLOR_WINDOW); - FillRect(hdc, rect, bg_brush); - DrawEdge(hdc, rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST); - return S_OK; -} - -HRESULT NativeTheme::PaintMenuArrow(ThemeName theme, - HDC hdc, - int part_id, - int state_id, - RECT* rect, - MenuArrowDirection arrow_direction, - bool is_highlighted) const { - HANDLE handle = GetThemeHandle(MENU); - if (handle && draw_theme_) { - if (arrow_direction == RIGHT_POINTING_ARROW) { - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - } else { - // 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. - Rect r(*rect); - ScopedHDC mem_dc(CreateCompatibleDC(hdc)); - ScopedBitmap mem_bitmap(CreateCompatibleBitmap(hdc, r.width(), - r.height())); - HGDIOBJ old_bitmap = SelectObject(mem_dc, mem_bitmap); - // 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, 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, part_id, - 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, r.width()-1, 0, -r.width(), r.height(), SRCCOPY); - SelectObject(mem_dc, old_bitmap); - return result; - } - } - - // For some reason, Windows uses the name DFCS_MENUARROWRIGHT to indicate a - // left pointing arrow. This makes the following 'if' statement slightly - // counterintuitive. - UINT state; - if (arrow_direction == RIGHT_POINTING_ARROW) - state = DFCS_MENUARROW; - else - state = DFCS_MENUARROWRIGHT; - return PaintFrameControl(hdc, rect, DFC_MENU, state, is_highlighted); -} - -HRESULT NativeTheme::PaintMenuBackground(ThemeName theme, - HDC hdc, - int part_id, - int state_id, - RECT* rect) const { - HANDLE handle = GetThemeHandle(MENU); - if (handle && draw_theme_) { - HRESULT result = draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - FrameRect(hdc, rect, GetSysColorBrush(COLOR_3DSHADOW)); - return result; - } - - FillRect(hdc, rect, GetSysColorBrush(COLOR_MENU)); - DrawEdge(hdc, rect, EDGE_RAISED, BF_RECT); - return S_OK; -} - -HRESULT NativeTheme::PaintMenuCheckBackground(ThemeName theme, - HDC hdc, - int part_id, - int state_id, - RECT* rect) const { - HANDLE handle = GetThemeHandle(MENU); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - // Nothing to do for background. - return S_OK; -} - -HRESULT NativeTheme::PaintMenuCheck(ThemeName theme, - HDC hdc, - int part_id, - int state_id, - RECT* rect, - bool is_highlighted) const { - HANDLE handle = GetThemeHandle(MENU); - if (handle && draw_theme_) { - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - } - return PaintFrameControl(hdc, rect, DFC_MENU, DFCS_MENUCHECK, is_highlighted); -} - -HRESULT NativeTheme::PaintMenuGutter(HDC hdc, - int part_id, - int state_id, - RECT* rect) const { - HANDLE handle = GetThemeHandle(MENU); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - return E_NOTIMPL; -} - -HRESULT NativeTheme::PaintMenuItemBackground(ThemeName theme, - HDC hdc, - int part_id, - int state_id, - bool selected, - RECT* rect) const { - HANDLE handle = GetThemeHandle(MENU); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - if (selected) - FillRect(hdc, rect, GetSysColorBrush(COLOR_HIGHLIGHT)); - return S_OK; -} - -HRESULT NativeTheme::PaintMenuList(HDC hdc, - int part_id, - int state_id, - int classic_state, - RECT* rect) const { - HANDLE handle = GetThemeHandle(MENULIST); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - - // Draw it manually. - DrawFrameControl(hdc, rect, DFC_SCROLL, DFCS_SCROLLCOMBOBOX | classic_state); - return S_OK; -} - -HRESULT NativeTheme::PaintMenuSeparator(HDC hdc, - int part_id, - int state_id, - RECT* rect) const { - HANDLE handle = GetThemeHandle(MENU); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - DrawEdge(hdc, rect, EDGE_ETCHED, BF_TOP); - return S_OK; -} - -HRESULT NativeTheme::PaintScrollbarArrow(HDC hdc, - int state_id, - int classic_state, - RECT* rect) const { - HANDLE handle = GetThemeHandle(SCROLLBAR); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, SBP_ARROWBTN, state_id, rect, NULL); - - // Draw it manually. - DrawFrameControl(hdc, rect, DFC_SCROLL, classic_state); - return S_OK; -} - -HRESULT NativeTheme::PaintScrollbarTrack( - HDC hdc, - int part_id, - int state_id, - int classic_state, - RECT* target_rect, - RECT* align_rect, - skia::PlatformCanvas* canvas) const { - HANDLE handle = GetThemeHandle(SCROLLBAR); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, part_id, state_id, target_rect, NULL); - - // Draw it manually. - const DWORD colorScrollbar = GetSysColor(COLOR_SCROLLBAR); - const DWORD color3DFace = GetSysColor(COLOR_3DFACE); - if ((colorScrollbar != color3DFace) && - (colorScrollbar != GetSysColor(COLOR_WINDOW))) { - FillRect(hdc, target_rect, reinterpret_cast<HBRUSH>(COLOR_SCROLLBAR + 1)); - } else { - SkPaint paint; - SetCheckerboardShader(&paint, *align_rect); - canvas->drawIRect(skia::RECTToSkIRect(*target_rect), paint); - } - if (classic_state & DFCS_PUSHED) - InvertRect(hdc, target_rect); - return S_OK; -} - -HRESULT NativeTheme::PaintScrollbarThumb(HDC hdc, - int part_id, - int state_id, - int classic_state, - RECT* rect) const { - HANDLE handle = GetThemeHandle(SCROLLBAR); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); - - // Draw it manually. - if ((part_id == SBP_THUMBBTNHORZ) || (part_id == SBP_THUMBBTNVERT)) - DrawEdge(hdc, rect, EDGE_RAISED, BF_RECT | BF_MIDDLE); - // Classic mode doesn't have a gripper. - return S_OK; -} - -HRESULT NativeTheme::PaintStatusGripper(HDC hdc, - int part_id, - int state_id, - int classic_state, - RECT* rect) const { - HANDLE handle = GetThemeHandle(STATUS); - 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, NULL); - } - - // Draw a windows classic scrollbar gripper. - DrawFrameControl(hdc, rect, DFC_SCROLL, DFCS_SCROLLSIZEGRIP); - return S_OK; -} - -HRESULT NativeTheme::PaintTabPanelBackground(HDC hdc, RECT* rect) const { - HANDLE handle = GetThemeHandle(TAB); - if (handle && draw_theme_) - return draw_theme_(handle, hdc, TABP_BODY, 0, rect, NULL); - - // Classic just renders a flat color background. - FillRect(hdc, rect, reinterpret_cast<HBRUSH>(COLOR_3DFACE + 1)); - return S_OK; -} - -HRESULT NativeTheme::PaintTrackbar(HDC hdc, - int part_id, - int state_id, - int classic_state, - RECT* rect, - skia::PlatformCanvas* canvas) const { - // 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 channel_rect = *rect; - 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, EDGE_RAISED, BF_RECT | BF_SOFT | BF_MIDDLE); - } else { - // Split rect into top and bottom pieces. - RECT top_section = *rect; - RECT bottom_section = *rect; - 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 (classic_state & DFCS_PUSHED) { - SkPaint paint; - SetCheckerboardShader(&paint, *rect); - - // 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 NativeTheme::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. - HBRUSH bg_brush = CreateSolidBrush(color); - HRESULT hr; - // 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))) { - if (draw_theme_ex_) { - static DTBGOPTS omit_border_options = { - sizeof(DTBGOPTS), - DTBG_OMITBORDER, - {0,0,0,0} - }; - DTBGOPTS* draw_opts = draw_edges ? NULL : &omit_border_options; - hr = draw_theme_ex_(handle, hdc, part_id, state_id, rect, draw_opts); - } else { - hr = 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); - } - } else { - // 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); - } - hr = S_OK; - } - DeleteObject(bg_brush); - return hr; -} - -bool NativeTheme::IsThemingActive() const { - if (is_theme_active_) - return !!is_theme_active_(); - return false; -} - -HRESULT NativeTheme::GetThemePartSize(ThemeName theme_name, - HDC hdc, - int part_id, - int state_id, - RECT* rect, - int ts, - SIZE* size) const { - HANDLE handle = GetThemeHandle(theme_name); - if (handle && get_theme_part_size_) - return get_theme_part_size_(handle, hdc, part_id, state_id, rect, ts, size); - - return E_NOTIMPL; -} - -HRESULT NativeTheme::GetThemeColor(ThemeName theme, - int part_id, - int state_id, - int prop_id, - SkColor* color) const { - HANDLE handle = GetThemeHandle(theme); - if (handle && get_theme_color_) { - COLORREF color_ref; - if (get_theme_color_(handle, part_id, state_id, prop_id, &color_ref) == - S_OK) { - *color = skia::COLORREFToSkColor(color_ref); - return S_OK; - } - } - return E_NOTIMPL; -} - -SkColor NativeTheme::GetThemeColorWithDefault(ThemeName theme, - int part_id, - int state_id, - int prop_id, - int default_sys_color) const { - SkColor color; - if (GetThemeColor(theme, part_id, state_id, prop_id, &color) != S_OK) - color = skia::COLORREFToSkColor(GetSysColor(default_sys_color)); - return color; -} - -HRESULT NativeTheme::GetThemeInt(ThemeName theme, - int part_id, - int state_id, - int prop_id, - int *value) const { - HANDLE handle = GetThemeHandle(theme); - if (handle && get_theme_int_) - return get_theme_int_(handle, part_id, state_id, prop_id, value); - return E_NOTIMPL; -} - -Size NativeTheme::GetThemeBorderSize(ThemeName theme) const { - // For simplicity use the wildcard state==0, part==0, since it works - // for the cases we currently depend on. - int border; - if (GetThemeInt(theme, 0, 0, TMT_BORDERSIZE, &border) == S_OK) - return Size(border, border); - else - return Size(GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE)); -} - - -void NativeTheme::DisableTheming() const { - if (!set_theme_properties_) - return; - set_theme_properties_(0); -} - -HRESULT NativeTheme::PaintFrameControl(HDC hdc, - RECT* rect, - UINT type, - UINT state, - bool is_highlighted) const { - const int width = rect->right - rect->left; - const int height = rect->bottom - rect->top; - - // DrawFrameControl for menu arrow/check wants a monochrome bitmap. - ScopedBitmap mask_bitmap(CreateBitmap(width, height, 1, 1, NULL)); - - if (mask_bitmap == NULL) - return E_OUTOFMEMORY; - - ScopedHDC bitmap_dc(CreateCompatibleDC(NULL)); - HGDIOBJ org_bitmap = SelectObject(bitmap_dc, mask_bitmap); - RECT local_rect = { 0, 0, width, height }; - DrawFrameControl(bitmap_dc, &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. - COLORREF old_bg_color = - SetBkColor(hdc, - GetSysColor(is_highlighted ? COLOR_HIGHLIGHT : COLOR_MENU)); - COLORREF old_text_color = - SetTextColor(hdc, - GetSysColor(is_highlighted ? COLOR_HIGHLIGHTTEXT : - COLOR_MENUTEXT)); - BitBlt(hdc, rect->left, rect->top, width, height, bitmap_dc, 0, 0, SRCCOPY); - SetBkColor(hdc, old_bg_color); - SetTextColor(hdc, old_text_color); - - SelectObject(bitmap_dc, org_bitmap); - - return S_OK; -} - -void NativeTheme::CloseHandles() const -{ - if (!close_theme_) - return; - - for (int i = 0; i < LAST; ++i) { - if (theme_handles_[i]) - close_theme_(theme_handles_[i]); - theme_handles_[i] = NULL; - } -} - -HANDLE NativeTheme::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; - default: - NOTREACHED(); - } - theme_handles_[theme_name] = handle; - return handle; -} - -} // namespace gfx |