Move all sources under atom/.
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217 changed files with 519 additions and 519 deletions
765
atom/browser/ui/win/native_menu_win.cc
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765
atom/browser/ui/win/native_menu_win.cc
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "atom/browser/ui/win/native_menu_win.h"
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#include <Windowsx.h>
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#include "base/bind.h"
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#include "base/logging.h"
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#include "base/message_loop/message_loop.h"
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#include "base/stl_util.h"
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#include "base/strings/string_util.h"
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#include "base/win/wrapped_window_proc.h"
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#include "atom/browser/ui/win/menu_2.h"
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#include "ui/base/accelerators/accelerator.h"
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#include "ui/events/keycodes/keyboard_codes.h"
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#include "ui/base/l10n/l10n_util.h"
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#include "ui/base/l10n/l10n_util_win.h"
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#include "ui/base/models/menu_model.h"
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#include "ui/gfx/canvas.h"
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#include "ui/gfx/font.h"
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#include "ui/gfx/image/image.h"
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#include "ui/gfx/image/image_skia.h"
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#include "ui/gfx/rect.h"
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#include "ui/gfx/win/hwnd_util.h"
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#include "ui/native_theme/native_theme.h"
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#include "ui/native_theme/native_theme_win.h"
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#include "ui/views/controls/menu/menu_config.h"
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#include "ui/views/controls/menu/menu_insertion_delegate_win.h"
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#include "ui/views/controls/menu/menu_listener.h"
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using ui::NativeTheme;
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// Really bad hack here, renaming all class names would be too much work.
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using namespace views; // NOLINT
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namespace atom {
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// The width of an icon, including the pixels between the icon and
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// the item label.
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static const int kIconWidth = 23;
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// Margins between the top of the item and the label.
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static const int kItemTopMargin = 3;
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// Margins between the bottom of the item and the label.
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static const int kItemBottomMargin = 4;
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// Margins between the left of the item and the icon.
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static const int kItemLeftMargin = 4;
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// Margins between the right of the item and the label.
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static const int kItemRightMargin = 10;
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// The width for displaying the sub-menu arrow.
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static const int kArrowWidth = 10;
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struct NativeMenuWin::ItemData {
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// The Windows API requires that whoever creates the menus must own the
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// strings used for labels, and keep them around for the lifetime of the
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// created menu. So be it.
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string16 label;
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// Someone needs to own submenus, it may as well be us.
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scoped_ptr<Menu2> submenu;
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// We need a pointer back to the containing menu in various circumstances.
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NativeMenuWin* native_menu_win;
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// The index of the item within the menu's model.
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int model_index;
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};
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// Returns the NativeMenuWin for a particular HMENU.
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static NativeMenuWin* GetNativeMenuWinFromHMENU(HMENU hmenu) {
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MENUINFO mi = {0};
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mi.cbSize = sizeof(mi);
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mi.fMask = MIM_MENUDATA | MIM_STYLE;
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GetMenuInfo(hmenu, &mi);
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return reinterpret_cast<NativeMenuWin*>(mi.dwMenuData);
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}
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// A window that receives messages from Windows relevant to the native menu
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// structure we have constructed in NativeMenuWin.
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class NativeMenuWin::MenuHostWindow {
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public:
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explicit MenuHostWindow(NativeMenuWin* parent) : parent_(parent) {
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RegisterClass();
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hwnd_ = CreateWindowEx(l10n_util::GetExtendedStyles(), kWindowClassName,
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L"", 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL);
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gfx::CheckWindowCreated(hwnd_);
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gfx::SetWindowUserData(hwnd_, this);
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}
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~MenuHostWindow() {
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DestroyWindow(hwnd_);
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}
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// Called when the user selects a specific item.
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void OnMenuCommand(int position, HMENU menu) {
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NativeMenuWin* menu_win = GetNativeMenuWinFromHMENU(menu);
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ui::MenuModel* model = menu_win->model_;
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NativeMenuWin* root_menu = menu_win;
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while (root_menu->parent_)
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root_menu = root_menu->parent_;
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// Only notify the model if it didn't already send out notification.
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// See comment in MenuMessageHook for details.
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if (root_menu->menu_action_ == MENU_ACTION_NONE)
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model->ActivatedAt(position);
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}
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HWND hwnd() const { return hwnd_; }
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private:
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static const wchar_t* kWindowClassName;
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void RegisterClass() {
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static bool registered = false;
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if (registered)
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return;
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WNDCLASSEX window_class;
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base::win::InitializeWindowClass(
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kWindowClassName,
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&base::win::WrappedWindowProc<MenuHostWindowProc>,
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CS_DBLCLKS,
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0,
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0,
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NULL,
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reinterpret_cast<HBRUSH>(COLOR_WINDOW+1),
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NULL,
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NULL,
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NULL,
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&window_class);
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ATOM clazz = RegisterClassEx(&window_class);
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CHECK(clazz);
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registered = true;
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}
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// Converts the WPARAM value passed to WM_MENUSELECT into an index
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// corresponding to the menu item that was selected.
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int GetMenuItemIndexFromWPARAM(HMENU menu, WPARAM w_param) const {
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int count = GetMenuItemCount(menu);
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// For normal command menu items, Windows passes a command id as the LOWORD
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// of WPARAM for WM_MENUSELECT. We need to walk forward through the menu
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// items to find an item with a matching ID. Ugh!
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for (int i = 0; i < count; ++i) {
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MENUITEMINFO mii = {0};
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mii.cbSize = sizeof(mii);
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mii.fMask = MIIM_ID;
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GetMenuItemInfo(menu, i, MF_BYPOSITION, &mii);
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if (mii.wID == w_param)
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return i;
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}
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// If we didn't find a matching command ID, this means a submenu has been
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// selected instead, and rather than passing a command ID in
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// LOWORD(w_param), Windows has actually passed us a position, so we just
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// return it.
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return w_param;
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}
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NativeMenuWin::ItemData* GetItemData(ULONG_PTR item_data) {
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return reinterpret_cast<NativeMenuWin::ItemData*>(item_data);
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}
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// Called as the user moves their mouse or arrows through the contents of the
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// menu.
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void OnMenuSelect(WPARAM w_param, HMENU menu) {
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if (!menu)
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return; // menu is null when closing on XP.
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int position = GetMenuItemIndexFromWPARAM(menu, w_param);
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if (position >= 0)
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GetNativeMenuWinFromHMENU(menu)->model_->HighlightChangedTo(position);
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}
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// Called by Windows to measure the size of an owner-drawn menu item.
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void OnMeasureItem(WPARAM w_param, MEASUREITEMSTRUCT* measure_item_struct) {
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NativeMenuWin::ItemData* data = GetItemData(measure_item_struct->itemData);
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if (data) {
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gfx::Font font;
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measure_item_struct->itemWidth = font.GetStringWidth(data->label) +
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kIconWidth + kItemLeftMargin + kItemRightMargin -
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GetSystemMetrics(SM_CXMENUCHECK);
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if (data->submenu.get())
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measure_item_struct->itemWidth += kArrowWidth;
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// If the label contains an accelerator, make room for tab.
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if (data->label.find(L'\t') != string16::npos)
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measure_item_struct->itemWidth += font.GetStringWidth(L" ");
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measure_item_struct->itemHeight =
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font.GetHeight() + kItemBottomMargin + kItemTopMargin;
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} else {
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// Measure separator size.
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measure_item_struct->itemHeight = GetSystemMetrics(SM_CYMENU) / 2;
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measure_item_struct->itemWidth = 0;
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}
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}
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// Called by Windows to paint an owner-drawn menu item.
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void OnDrawItem(UINT w_param, DRAWITEMSTRUCT* draw_item_struct) {
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HDC dc = draw_item_struct->hDC;
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COLORREF prev_bg_color, prev_text_color;
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// Set background color and text color
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if (draw_item_struct->itemState & ODS_SELECTED) {
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prev_bg_color = SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
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prev_text_color = SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
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} else {
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prev_bg_color = SetBkColor(dc, GetSysColor(COLOR_MENU));
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if (draw_item_struct->itemState & ODS_DISABLED)
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prev_text_color = SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
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else
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prev_text_color = SetTextColor(dc, GetSysColor(COLOR_MENUTEXT));
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}
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if (draw_item_struct->itemData) {
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NativeMenuWin::ItemData* data = GetItemData(draw_item_struct->itemData);
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// Draw the background.
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HBRUSH hbr = CreateSolidBrush(GetBkColor(dc));
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FillRect(dc, &draw_item_struct->rcItem, hbr);
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DeleteObject(hbr);
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// Draw the label.
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RECT rect = draw_item_struct->rcItem;
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rect.top += kItemTopMargin;
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// Should we add kIconWidth only when icon.width() != 0 ?
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rect.left += kItemLeftMargin + kIconWidth;
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rect.right -= kItemRightMargin;
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UINT format = DT_TOP | DT_SINGLELINE;
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// Check whether the mnemonics should be underlined.
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BOOL underline_mnemonics;
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SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &underline_mnemonics, 0);
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if (!underline_mnemonics)
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format |= DT_HIDEPREFIX;
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gfx::Font font;
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HGDIOBJ old_font =
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static_cast<HFONT>(SelectObject(dc, font.GetNativeFont()));
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// If an accelerator is specified (with a tab delimiting the rest of the
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// label from the accelerator), we have to justify the fist part on the
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// left and the accelerator on the right.
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// TODO(jungshik): This will break in RTL UI. Currently, he/ar use the
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// window system UI font and will not hit here.
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string16 label = data->label;
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string16 accel;
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string16::size_type tab_pos = label.find(L'\t');
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if (tab_pos != string16::npos) {
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accel = label.substr(tab_pos);
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label = label.substr(0, tab_pos);
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}
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DrawTextEx(dc, const_cast<wchar_t*>(label.data()),
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static_cast<int>(label.size()), &rect, format | DT_LEFT, NULL);
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if (!accel.empty())
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DrawTextEx(dc, const_cast<wchar_t*>(accel.data()),
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static_cast<int>(accel.size()), &rect,
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format | DT_RIGHT, NULL);
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SelectObject(dc, old_font);
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ui::MenuModel::ItemType type =
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data->native_menu_win->model_->GetTypeAt(data->model_index);
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// Draw the icon after the label, otherwise it would be covered
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// by the label.
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gfx::Image icon;
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if (data->native_menu_win->model_->GetIconAt(data->model_index, &icon)) {
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// We currently don't support items with both icons and checkboxes.
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const gfx::ImageSkia* skia_icon = icon.ToImageSkia();
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DCHECK(type != ui::MenuModel::TYPE_CHECK);
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gfx::Canvas canvas(
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skia_icon->GetRepresentation(ui::SCALE_FACTOR_100P),
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false);
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skia::DrawToNativeContext(
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canvas.sk_canvas(), dc,
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draw_item_struct->rcItem.left + kItemLeftMargin,
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draw_item_struct->rcItem.top + (draw_item_struct->rcItem.bottom -
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draw_item_struct->rcItem.top - skia_icon->height()) / 2, NULL);
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} else if (type == ui::MenuModel::TYPE_CHECK &&
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data->native_menu_win->model_->IsItemCheckedAt(
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data->model_index)) {
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// Manually render a checkbox.
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ui::NativeThemeWin* native_theme = ui::NativeThemeWin::instance();
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const MenuConfig& config = MenuConfig::instance(native_theme);
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NativeTheme::State state;
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if (draw_item_struct->itemState & ODS_DISABLED) {
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state = NativeTheme::kDisabled;
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} else {
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state = draw_item_struct->itemState & ODS_SELECTED ?
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NativeTheme::kHovered : NativeTheme::kNormal;
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}
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int height =
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draw_item_struct->rcItem.bottom - draw_item_struct->rcItem.top;
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int icon_y = kItemTopMargin +
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(height - kItemTopMargin - kItemBottomMargin -
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config.check_height) / 2;
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gfx::Canvas canvas(gfx::Size(config.check_width, config.check_height),
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ui::SCALE_FACTOR_100P,
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false);
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NativeTheme::ExtraParams extra;
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extra.menu_check.is_radio = false;
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gfx::Rect bounds(0, 0, config.check_width, config.check_height);
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// Draw the background and the check.
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native_theme->Paint(
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canvas.sk_canvas(), NativeTheme::kMenuCheckBackground,
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state, bounds, extra);
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native_theme->Paint(
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canvas.sk_canvas(), NativeTheme::kMenuCheck, state, bounds, extra);
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// Draw checkbox to menu.
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skia::DrawToNativeContext(canvas.sk_canvas(), dc,
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draw_item_struct->rcItem.left + kItemLeftMargin,
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draw_item_struct->rcItem.top + (draw_item_struct->rcItem.bottom -
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draw_item_struct->rcItem.top - config.check_height) / 2, NULL);
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}
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} else {
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// Draw the separator
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draw_item_struct->rcItem.top +=
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(draw_item_struct->rcItem.bottom - draw_item_struct->rcItem.top) / 3;
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DrawEdge(dc, &draw_item_struct->rcItem, EDGE_ETCHED, BF_TOP);
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}
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SetBkColor(dc, prev_bg_color);
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SetTextColor(dc, prev_text_color);
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}
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bool ProcessWindowMessage(HWND window,
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UINT message,
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WPARAM w_param,
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LPARAM l_param,
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LRESULT* l_result) {
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switch (message) {
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case WM_MENUCOMMAND:
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OnMenuCommand(w_param, reinterpret_cast<HMENU>(l_param));
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*l_result = 0;
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return true;
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case WM_MENUSELECT:
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OnMenuSelect(LOWORD(w_param), reinterpret_cast<HMENU>(l_param));
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*l_result = 0;
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return true;
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case WM_MEASUREITEM:
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OnMeasureItem(w_param, reinterpret_cast<MEASUREITEMSTRUCT*>(l_param));
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*l_result = 0;
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return true;
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case WM_DRAWITEM:
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OnDrawItem(w_param, reinterpret_cast<DRAWITEMSTRUCT*>(l_param));
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*l_result = 0;
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return true;
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// TODO(beng): bring over owner draw from old menu system.
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}
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return false;
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}
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static LRESULT CALLBACK MenuHostWindowProc(HWND window,
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UINT message,
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WPARAM w_param,
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LPARAM l_param) {
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MenuHostWindow* host =
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reinterpret_cast<MenuHostWindow*>(gfx::GetWindowUserData(window));
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// host is null during initial construction.
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LRESULT l_result = 0;
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if (!host || !host->ProcessWindowMessage(window, message, w_param, l_param,
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&l_result)) {
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return DefWindowProc(window, message, w_param, l_param);
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}
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return l_result;
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}
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HWND hwnd_;
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NativeMenuWin* parent_;
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DISALLOW_COPY_AND_ASSIGN(MenuHostWindow);
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};
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struct NativeMenuWin::HighlightedMenuItemInfo {
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HighlightedMenuItemInfo()
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: has_parent(false),
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has_submenu(false),
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menu(NULL),
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position(-1) {
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}
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bool has_parent;
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bool has_submenu;
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// The menu and position. These are only set for non-disabled menu items.
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NativeMenuWin* menu;
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int position;
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};
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// static
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const wchar_t* NativeMenuWin::MenuHostWindow::kWindowClassName =
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L"ViewsMenuHostWindow";
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////////////////////////////////////////////////////////////////////////////////
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// NativeMenuWin, public:
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NativeMenuWin::NativeMenuWin(ui::MenuModel* model, HWND system_menu_for)
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: model_(model),
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menu_(NULL),
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owner_draw_(l10n_util::NeedOverrideDefaultUIFont(NULL, NULL) &&
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!system_menu_for),
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system_menu_for_(system_menu_for),
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first_item_index_(0),
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menu_action_(MENU_ACTION_NONE),
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menu_to_select_(NULL),
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position_to_select_(-1),
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menu_to_select_factory_(this),
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parent_(NULL),
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destroyed_flag_(NULL),
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create_as_window_menu_(false) {
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}
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NativeMenuWin::~NativeMenuWin() {
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if (destroyed_flag_)
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*destroyed_flag_ = true;
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STLDeleteContainerPointers(items_.begin(), items_.end());
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DestroyMenu(menu_);
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}
|
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|
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////////////////////////////////////////////////////////////////////////////////
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// NativeMenuWin, MenuWrapper implementation:
|
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void NativeMenuWin::RunMenuAt(const gfx::Point& point, int alignment) {
|
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CreateHostWindow();
|
||||
UpdateStates();
|
||||
UINT flags = TPM_LEFTBUTTON | TPM_RIGHTBUTTON | TPM_RECURSE;
|
||||
flags |= GetAlignmentFlags(alignment);
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menu_action_ = MENU_ACTION_NONE;
|
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|
||||
// Set a hook function so we can listen for keyboard events while the
|
||||
// menu is open, and store a pointer to this object in a static
|
||||
// variable so the hook has access to it (ugly, but it's the
|
||||
// only way).
|
||||
open_native_menu_win_ = this;
|
||||
HHOOK hhook = SetWindowsHookEx(WH_MSGFILTER, MenuMessageHook,
|
||||
GetModuleHandle(NULL), ::GetCurrentThreadId());
|
||||
|
||||
// Mark that any registered listeners have not been called for this particular
|
||||
// opening of the menu.
|
||||
listeners_called_ = false;
|
||||
|
||||
// Command dispatch is done through WM_MENUCOMMAND, handled by the host
|
||||
// window.
|
||||
HWND hwnd = host_window_->hwnd();
|
||||
menu_to_select_ = NULL;
|
||||
position_to_select_ = -1;
|
||||
menu_to_select_factory_.InvalidateWeakPtrs();
|
||||
bool destroyed = false;
|
||||
destroyed_flag_ = &destroyed;
|
||||
model_->MenuWillShow();
|
||||
TrackPopupMenu(menu_, flags, point.x(), point.y(), 0, host_window_->hwnd(),
|
||||
NULL);
|
||||
UnhookWindowsHookEx(hhook);
|
||||
open_native_menu_win_ = NULL;
|
||||
if (destroyed)
|
||||
return;
|
||||
destroyed_flag_ = NULL;
|
||||
if (menu_to_select_) {
|
||||
// Folks aren't too happy if we notify immediately. In particular, notifying
|
||||
// the delegate can cause destruction leaving the stack in a weird
|
||||
// state. Instead post a task, then notify. This mirrors what WM_MENUCOMMAND
|
||||
// does.
|
||||
menu_to_select_factory_.InvalidateWeakPtrs();
|
||||
base::MessageLoop::current()->PostTask(
|
||||
FROM_HERE,
|
||||
base::Bind(&NativeMenuWin::DelayedSelect,
|
||||
menu_to_select_factory_.GetWeakPtr()));
|
||||
menu_action_ = MENU_ACTION_SELECTED;
|
||||
}
|
||||
// Send MenuClosed after we schedule the select, otherwise MenuClosed is
|
||||
// processed after the select (MenuClosed posts a delayed task too).
|
||||
model_->MenuClosed();
|
||||
}
|
||||
|
||||
void NativeMenuWin::CancelMenu() {
|
||||
EndMenu();
|
||||
}
|
||||
|
||||
void NativeMenuWin::Rebuild(MenuInsertionDelegateWin* delegate) {
|
||||
ResetNativeMenu();
|
||||
items_.clear();
|
||||
|
||||
owner_draw_ = model_->HasIcons() || owner_draw_;
|
||||
first_item_index_ = delegate ? delegate->GetInsertionIndex(menu_) : 0;
|
||||
for (int menu_index = first_item_index_;
|
||||
menu_index < first_item_index_ + model_->GetItemCount(); ++menu_index) {
|
||||
int model_index = menu_index - first_item_index_;
|
||||
if (model_->GetTypeAt(model_index) == ui::MenuModel::TYPE_SEPARATOR)
|
||||
AddSeparatorItemAt(menu_index, model_index);
|
||||
else
|
||||
AddMenuItemAt(menu_index, model_index);
|
||||
}
|
||||
}
|
||||
|
||||
void NativeMenuWin::UpdateStates() {
|
||||
// A depth-first walk of the menu items, updating states.
|
||||
int model_index = 0;
|
||||
std::vector<ItemData*>::const_iterator it;
|
||||
for (it = items_.begin(); it != items_.end(); ++it, ++model_index) {
|
||||
int menu_index = model_index + first_item_index_;
|
||||
SetMenuItemState(menu_index, model_->IsEnabledAt(model_index),
|
||||
model_->IsItemCheckedAt(model_index), false);
|
||||
if (model_->IsItemDynamicAt(model_index)) {
|
||||
// TODO(atwilson): Update the icon as well (http://crbug.com/66508).
|
||||
SetMenuItemLabel(menu_index, model_index,
|
||||
model_->GetLabelAt(model_index));
|
||||
}
|
||||
Menu2* submenu = (*it)->submenu.get();
|
||||
if (submenu)
|
||||
submenu->UpdateStates();
|
||||
}
|
||||
}
|
||||
|
||||
HMENU NativeMenuWin::GetNativeMenu() const {
|
||||
return menu_;
|
||||
}
|
||||
|
||||
NativeMenuWin::MenuAction NativeMenuWin::GetMenuAction() const {
|
||||
return menu_action_;
|
||||
}
|
||||
|
||||
void NativeMenuWin::AddMenuListener(MenuListener* listener) {
|
||||
listeners_.AddObserver(listener);
|
||||
}
|
||||
|
||||
void NativeMenuWin::RemoveMenuListener(MenuListener* listener) {
|
||||
listeners_.RemoveObserver(listener);
|
||||
}
|
||||
|
||||
void NativeMenuWin::SetMinimumWidth(int width) {
|
||||
NOTIMPLEMENTED();
|
||||
}
|
||||
|
||||
void NativeMenuWin::OnMenuCommand(int position, HMENU menu) {
|
||||
host_window_->OnMenuCommand(position, menu);
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// NativeMenuWin, private:
|
||||
|
||||
// static
|
||||
NativeMenuWin* NativeMenuWin::open_native_menu_win_ = NULL;
|
||||
|
||||
void NativeMenuWin::DelayedSelect() {
|
||||
if (menu_to_select_)
|
||||
menu_to_select_->model_->ActivatedAt(position_to_select_);
|
||||
}
|
||||
|
||||
// static
|
||||
bool NativeMenuWin::GetHighlightedMenuItemInfo(
|
||||
HMENU menu,
|
||||
HighlightedMenuItemInfo* info) {
|
||||
for (int i = 0; i < ::GetMenuItemCount(menu); i++) {
|
||||
UINT state = ::GetMenuState(menu, i, MF_BYPOSITION);
|
||||
if (state & MF_HILITE) {
|
||||
if (state & MF_POPUP) {
|
||||
HMENU submenu = GetSubMenu(menu, i);
|
||||
if (GetHighlightedMenuItemInfo(submenu, info))
|
||||
info->has_parent = true;
|
||||
else
|
||||
info->has_submenu = true;
|
||||
} else if (!(state & MF_SEPARATOR) && !(state & MF_DISABLED)) {
|
||||
info->menu = GetNativeMenuWinFromHMENU(menu);
|
||||
info->position = i;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
// static
|
||||
LRESULT CALLBACK NativeMenuWin::MenuMessageHook(
|
||||
int n_code, WPARAM w_param, LPARAM l_param) {
|
||||
LRESULT result = CallNextHookEx(NULL, n_code, w_param, l_param);
|
||||
|
||||
NativeMenuWin* this_ptr = open_native_menu_win_;
|
||||
if (!this_ptr)
|
||||
return result;
|
||||
|
||||
// The first time this hook is called, that means the menu has successfully
|
||||
// opened, so call the callback function on all of our listeners.
|
||||
if (!this_ptr->listeners_called_) {
|
||||
FOR_EACH_OBSERVER(MenuListener, this_ptr->listeners_, OnMenuOpened());
|
||||
this_ptr->listeners_called_ = true;
|
||||
}
|
||||
|
||||
MSG* msg = reinterpret_cast<MSG*>(l_param);
|
||||
if (msg->message == WM_LBUTTONUP || msg->message == WM_RBUTTONUP) {
|
||||
HighlightedMenuItemInfo info;
|
||||
if (GetHighlightedMenuItemInfo(this_ptr->menu_, &info) && info.menu) {
|
||||
// It appears that when running a menu by way of TrackPopupMenu(Ex) win32
|
||||
// gets confused if the underlying window paints itself. As its very easy
|
||||
// for the underlying window to repaint itself (especially since some menu
|
||||
// items trigger painting of the tabstrip on mouse over) we have this
|
||||
// workaround. When the mouse is released on a menu item we remember the
|
||||
// menu item and end the menu. When the nested message loop returns we
|
||||
// schedule a task to notify the model. It's still possible to get a
|
||||
// WM_MENUCOMMAND, so we have to be careful that we don't notify the model
|
||||
// twice.
|
||||
this_ptr->menu_to_select_ = info.menu;
|
||||
this_ptr->position_to_select_ = info.position;
|
||||
EndMenu();
|
||||
}
|
||||
} else if (msg->message == WM_KEYDOWN) {
|
||||
HighlightedMenuItemInfo info;
|
||||
if (GetHighlightedMenuItemInfo(this_ptr->menu_, &info)) {
|
||||
if (msg->wParam == VK_LEFT && !info.has_parent) {
|
||||
this_ptr->menu_action_ = MENU_ACTION_PREVIOUS;
|
||||
::EndMenu();
|
||||
} else if (msg->wParam == VK_RIGHT && !info.has_parent &&
|
||||
!info.has_submenu) {
|
||||
this_ptr->menu_action_ = MENU_ACTION_NEXT;
|
||||
::EndMenu();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
bool NativeMenuWin::IsSeparatorItemAt(int menu_index) const {
|
||||
MENUITEMINFO mii = {0};
|
||||
mii.cbSize = sizeof(mii);
|
||||
mii.fMask = MIIM_FTYPE;
|
||||
GetMenuItemInfo(menu_, menu_index, MF_BYPOSITION, &mii);
|
||||
return !!(mii.fType & MF_SEPARATOR);
|
||||
}
|
||||
|
||||
void NativeMenuWin::AddMenuItemAt(int menu_index, int model_index) {
|
||||
MENUITEMINFO mii = {0};
|
||||
mii.cbSize = sizeof(mii);
|
||||
mii.fMask = MIIM_FTYPE | MIIM_ID | MIIM_DATA;
|
||||
if (!owner_draw_)
|
||||
mii.fType = MFT_STRING;
|
||||
else
|
||||
mii.fType = MFT_OWNERDRAW;
|
||||
|
||||
ItemData* item_data = new ItemData;
|
||||
item_data->label = string16();
|
||||
ui::MenuModel::ItemType type = model_->GetTypeAt(model_index);
|
||||
if (type == ui::MenuModel::TYPE_SUBMENU) {
|
||||
item_data->submenu.reset(new Menu2(model_->GetSubmenuModelAt(model_index)));
|
||||
mii.fMask |= MIIM_SUBMENU;
|
||||
mii.hSubMenu = item_data->submenu->GetNativeMenu();
|
||||
GetNativeMenuWinFromHMENU(mii.hSubMenu)->parent_ = this;
|
||||
} else {
|
||||
if (type == ui::MenuModel::TYPE_RADIO)
|
||||
mii.fType |= MFT_RADIOCHECK;
|
||||
mii.wID = model_->GetCommandIdAt(model_index);
|
||||
}
|
||||
item_data->native_menu_win = this;
|
||||
item_data->model_index = model_index;
|
||||
items_.insert(items_.begin() + model_index, item_data);
|
||||
mii.dwItemData = reinterpret_cast<ULONG_PTR>(item_data);
|
||||
UpdateMenuItemInfoForString(&mii, model_index,
|
||||
model_->GetLabelAt(model_index));
|
||||
InsertMenuItem(menu_, menu_index, TRUE, &mii);
|
||||
}
|
||||
|
||||
void NativeMenuWin::AddSeparatorItemAt(int menu_index, int model_index) {
|
||||
MENUITEMINFO mii = {0};
|
||||
mii.cbSize = sizeof(mii);
|
||||
mii.fMask = MIIM_FTYPE;
|
||||
mii.fType = MFT_SEPARATOR;
|
||||
// Insert a dummy entry into our label list so we can index directly into it
|
||||
// using item indices if need be.
|
||||
items_.insert(items_.begin() + model_index, new ItemData);
|
||||
InsertMenuItem(menu_, menu_index, TRUE, &mii);
|
||||
}
|
||||
|
||||
void NativeMenuWin::SetMenuItemState(int menu_index, bool enabled, bool checked,
|
||||
bool is_default) {
|
||||
if (IsSeparatorItemAt(menu_index))
|
||||
return;
|
||||
|
||||
UINT state = enabled ? MFS_ENABLED : MFS_DISABLED;
|
||||
if (checked)
|
||||
state |= MFS_CHECKED;
|
||||
if (is_default)
|
||||
state |= MFS_DEFAULT;
|
||||
|
||||
MENUITEMINFO mii = {0};
|
||||
mii.cbSize = sizeof(mii);
|
||||
mii.fMask = MIIM_STATE;
|
||||
mii.fState = state;
|
||||
SetMenuItemInfo(menu_, menu_index, MF_BYPOSITION, &mii);
|
||||
}
|
||||
|
||||
void NativeMenuWin::SetMenuItemLabel(int menu_index,
|
||||
int model_index,
|
||||
const string16& label) {
|
||||
if (IsSeparatorItemAt(menu_index))
|
||||
return;
|
||||
|
||||
MENUITEMINFO mii = {0};
|
||||
mii.cbSize = sizeof(mii);
|
||||
UpdateMenuItemInfoForString(&mii, model_index, label);
|
||||
SetMenuItemInfo(menu_, menu_index, MF_BYPOSITION, &mii);
|
||||
}
|
||||
|
||||
void NativeMenuWin::UpdateMenuItemInfoForString(MENUITEMINFO* mii,
|
||||
int model_index,
|
||||
const string16& label) {
|
||||
string16 formatted = label;
|
||||
ui::MenuModel::ItemType type = model_->GetTypeAt(model_index);
|
||||
// Strip out any tabs, otherwise they get interpreted as accelerators and can
|
||||
// lead to weird behavior.
|
||||
ReplaceSubstringsAfterOffset(&formatted, 0, L"\t", L" ");
|
||||
if (type != ui::MenuModel::TYPE_SUBMENU) {
|
||||
// Add accelerator details to the label if provided.
|
||||
ui::Accelerator accelerator(ui::VKEY_UNKNOWN, ui::EF_NONE);
|
||||
if (model_->GetAcceleratorAt(model_index, &accelerator)) {
|
||||
formatted += L"\t";
|
||||
formatted += accelerator.GetShortcutText();
|
||||
}
|
||||
}
|
||||
|
||||
// Update the owned string, since Windows will want us to keep this new
|
||||
// version around.
|
||||
items_[model_index]->label = formatted;
|
||||
|
||||
// Give Windows a pointer to the label string.
|
||||
mii->fMask |= MIIM_STRING;
|
||||
mii->dwTypeData =
|
||||
const_cast<wchar_t*>(items_[model_index]->label.c_str());
|
||||
}
|
||||
|
||||
UINT NativeMenuWin::GetAlignmentFlags(int alignment) const {
|
||||
UINT alignment_flags = TPM_TOPALIGN;
|
||||
if (alignment == Menu2::ALIGN_TOPLEFT)
|
||||
alignment_flags |= TPM_LEFTALIGN;
|
||||
else if (alignment == Menu2::ALIGN_TOPRIGHT)
|
||||
alignment_flags |= TPM_RIGHTALIGN;
|
||||
return alignment_flags;
|
||||
}
|
||||
|
||||
void NativeMenuWin::ResetNativeMenu() {
|
||||
if (IsWindow(system_menu_for_)) {
|
||||
if (menu_)
|
||||
GetSystemMenu(system_menu_for_, TRUE);
|
||||
menu_ = GetSystemMenu(system_menu_for_, FALSE);
|
||||
} else {
|
||||
if (menu_)
|
||||
DestroyMenu(menu_);
|
||||
menu_ = create_as_window_menu_ ? CreateMenu() : CreatePopupMenu();
|
||||
// Rather than relying on the return value of TrackPopupMenuEx, which is
|
||||
// always a command identifier, instead we tell the menu to notify us via
|
||||
// our host window and the WM_MENUCOMMAND message.
|
||||
MENUINFO mi = {0};
|
||||
mi.cbSize = sizeof(mi);
|
||||
mi.fMask = MIM_STYLE | MIM_MENUDATA;
|
||||
mi.dwStyle = MNS_NOTIFYBYPOS;
|
||||
mi.dwMenuData = reinterpret_cast<ULONG_PTR>(this);
|
||||
SetMenuInfo(menu_, &mi);
|
||||
}
|
||||
}
|
||||
|
||||
void NativeMenuWin::CreateHostWindow() {
|
||||
// This only gets called from RunMenuAt, and as such there is only ever one
|
||||
// host window per menu hierarchy, no matter how many NativeMenuWin objects
|
||||
// exist wrapping submenus.
|
||||
if (!host_window_.get())
|
||||
host_window_.reset(new MenuHostWindow(this));
|
||||
}
|
||||
|
||||
} // namespace atom
|
Loading…
Add table
Add a link
Reference in a new issue