101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/browser/ui/accelerator_util.h"
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#include <stdio.h>
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#include <string>
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#include <vector>
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#include "atom/common/keyboard_util.h"
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#include "base/stl_util.h"
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#include "base/strings/string_number_conversions.h"
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#include "base/strings/string_split.h"
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#include "base/strings/string_util.h"
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namespace accelerator_util {
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bool StringToAccelerator(const std::string& shortcut,
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ui::Accelerator* accelerator) {
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if (!base::IsStringASCII(shortcut)) {
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LOG(ERROR) << "The accelerator string can only contain ASCII characters";
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return false;
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}
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std::vector<std::string> tokens = base::SplitString(
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shortcut, "+", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
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// Now, parse it into an accelerator.
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int modifiers = ui::EF_NONE;
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ui::KeyboardCode key = ui::VKEY_UNKNOWN;
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for (const auto& token : tokens) {
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bool shifted = false;
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ui::KeyboardCode code = atom::KeyboardCodeFromStr(token, &shifted);
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if (shifted)
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modifiers |= ui::EF_SHIFT_DOWN;
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switch (code) {
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// The token can be a modifier.
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case ui::VKEY_SHIFT:
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modifiers |= ui::EF_SHIFT_DOWN;
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break;
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case ui::VKEY_CONTROL:
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modifiers |= ui::EF_CONTROL_DOWN;
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break;
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case ui::VKEY_MENU:
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modifiers |= ui::EF_ALT_DOWN;
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break;
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case ui::VKEY_COMMAND:
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modifiers |= ui::EF_COMMAND_DOWN;
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break;
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case ui::VKEY_ALTGR:
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modifiers |= ui::EF_ALTGR_DOWN;
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break;
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// Or it is a normal key.
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default:
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key = code;
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}
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}
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if (key == ui::VKEY_UNKNOWN) {
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LOG(WARNING) << shortcut << " doesn't contain a valid key";
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return false;
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}
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*accelerator = ui::Accelerator(key, modifiers);
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SetPlatformAccelerator(accelerator);
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return true;
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}
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void GenerateAcceleratorTable(AcceleratorTable* table,
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atom::AtomMenuModel* model) {
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int count = model->GetItemCount();
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for (int i = 0; i < count; ++i) {
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atom::AtomMenuModel::ItemType type = model->GetTypeAt(i);
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if (type == atom::AtomMenuModel::TYPE_SUBMENU) {
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auto submodel = model->GetSubmenuModelAt(i);
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GenerateAcceleratorTable(table, submodel);
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} else {
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ui::Accelerator accelerator;
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if (model->GetAcceleratorAtWithParams(i, true, &accelerator)) {
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MenuItem item = { i, model };
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(*table)[accelerator] = item;
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}
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}
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}
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}
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bool TriggerAcceleratorTableCommand(AcceleratorTable* table,
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const ui::Accelerator& accelerator) {
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if (base::ContainsKey(*table, accelerator)) {
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const accelerator_util::MenuItem& item = (*table)[accelerator];
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if (item.model->IsEnabledAt(item.position)) {
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item.model->ActivatedAt(item.position);
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return true;
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}
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}
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return false;
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}
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} // namespace accelerator_util
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