228 lines
7.8 KiB
C++
228 lines
7.8 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
|
|
// Use of this source code is governed by the MIT license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "atom/browser/ui/accelerator_util.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "base/stl_util.h"
|
|
#include "base/strings/string_number_conversions.h"
|
|
#include "base/strings/string_split.h"
|
|
#include "base/strings/string_util.h"
|
|
#include "ui/base/models/simple_menu_model.h"
|
|
|
|
namespace accelerator_util {
|
|
|
|
namespace {
|
|
|
|
// Return key code of the char.
|
|
ui::KeyboardCode KeyboardCodeFromCharCode(char c, bool* shifted) {
|
|
*shifted = false;
|
|
switch (c) {
|
|
case 8: case 0x7F: return ui::VKEY_BACK;
|
|
case 9: return ui::VKEY_TAB;
|
|
case 0xD: case 3: return ui::VKEY_RETURN;
|
|
case 0x1B: return ui::VKEY_ESCAPE;
|
|
case ' ': return ui::VKEY_SPACE;
|
|
|
|
case 'a': return ui::VKEY_A;
|
|
case 'b': return ui::VKEY_B;
|
|
case 'c': return ui::VKEY_C;
|
|
case 'd': return ui::VKEY_D;
|
|
case 'e': return ui::VKEY_E;
|
|
case 'f': return ui::VKEY_F;
|
|
case 'g': return ui::VKEY_G;
|
|
case 'h': return ui::VKEY_H;
|
|
case 'i': return ui::VKEY_I;
|
|
case 'j': return ui::VKEY_J;
|
|
case 'k': return ui::VKEY_K;
|
|
case 'l': return ui::VKEY_L;
|
|
case 'm': return ui::VKEY_M;
|
|
case 'n': return ui::VKEY_N;
|
|
case 'o': return ui::VKEY_O;
|
|
case 'p': return ui::VKEY_P;
|
|
case 'q': return ui::VKEY_Q;
|
|
case 'r': return ui::VKEY_R;
|
|
case 's': return ui::VKEY_S;
|
|
case 't': return ui::VKEY_T;
|
|
case 'u': return ui::VKEY_U;
|
|
case 'v': return ui::VKEY_V;
|
|
case 'w': return ui::VKEY_W;
|
|
case 'x': return ui::VKEY_X;
|
|
case 'y': return ui::VKEY_Y;
|
|
case 'z': return ui::VKEY_Z;
|
|
|
|
case ')': *shifted = true; case '0': return ui::VKEY_0;
|
|
case '!': *shifted = true; case '1': return ui::VKEY_1;
|
|
case '@': *shifted = true; case '2': return ui::VKEY_2;
|
|
case '#': *shifted = true; case '3': return ui::VKEY_3;
|
|
case '$': *shifted = true; case '4': return ui::VKEY_4;
|
|
case '%': *shifted = true; case '5': return ui::VKEY_5;
|
|
case '^': *shifted = true; case '6': return ui::VKEY_6;
|
|
case '&': *shifted = true; case '7': return ui::VKEY_7;
|
|
case '*': *shifted = true; case '8': return ui::VKEY_8;
|
|
case '(': *shifted = true; case '9': return ui::VKEY_9;
|
|
|
|
case ':': *shifted = true; case ';': return ui::VKEY_OEM_1;
|
|
case '+': *shifted = true; case '=': return ui::VKEY_OEM_PLUS;
|
|
case '<': *shifted = true; case ',': return ui::VKEY_OEM_COMMA;
|
|
case '_': *shifted = true; case '-': return ui::VKEY_OEM_MINUS;
|
|
case '>': *shifted = true; case '.': return ui::VKEY_OEM_PERIOD;
|
|
case '?': *shifted = true; case '/': return ui::VKEY_OEM_2;
|
|
case '~': *shifted = true; case '`': return ui::VKEY_OEM_3;
|
|
case '{': *shifted = true; case '[': return ui::VKEY_OEM_4;
|
|
case '|': *shifted = true; case '\\': return ui::VKEY_OEM_5;
|
|
case '}': *shifted = true; case ']': return ui::VKEY_OEM_6;
|
|
case '"': *shifted = true; case '\'': return ui::VKEY_OEM_7;
|
|
|
|
default: return ui::VKEY_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
bool StringToAccelerator(const std::string& description,
|
|
ui::Accelerator* accelerator) {
|
|
if (!base::IsStringASCII(description)) {
|
|
LOG(ERROR) << "The accelerator string can only contain ASCII characters";
|
|
return false;
|
|
}
|
|
std::string shortcut(base::StringToLowerASCII(description));
|
|
|
|
std::vector<std::string> tokens;
|
|
base::SplitString(shortcut, '+', &tokens);
|
|
|
|
// Now, parse it into an accelerator.
|
|
int modifiers = ui::EF_NONE;
|
|
ui::KeyboardCode key = ui::VKEY_UNKNOWN;
|
|
for (size_t i = 0; i < tokens.size(); i++) {
|
|
// We use straight comparing instead of map because the accelerator tends
|
|
// to be correct and usually only uses few special tokens.
|
|
if (tokens[i].size() == 1) {
|
|
bool shifted = false;
|
|
key = KeyboardCodeFromCharCode(tokens[i][0], &shifted);
|
|
if (shifted)
|
|
modifiers |= ui::EF_SHIFT_DOWN;
|
|
} else if (tokens[i] == "ctrl" || tokens[i] == "control") {
|
|
modifiers |= ui::EF_CONTROL_DOWN;
|
|
} else if (tokens[i] == "super") {
|
|
modifiers |= ui::EF_COMMAND_DOWN;
|
|
#if defined(OS_MACOSX)
|
|
} else if (tokens[i] == "cmd" || tokens[i] == "command") {
|
|
modifiers |= ui::EF_COMMAND_DOWN;
|
|
#endif
|
|
} else if (tokens[i] == "commandorcontrol" || tokens[i] == "cmdorctrl") {
|
|
#if defined(OS_MACOSX)
|
|
modifiers |= ui::EF_COMMAND_DOWN;
|
|
#else
|
|
modifiers |= ui::EF_CONTROL_DOWN;
|
|
#endif
|
|
} else if (tokens[i] == "alt") {
|
|
modifiers |= ui::EF_ALT_DOWN;
|
|
} else if (tokens[i] == "shift") {
|
|
modifiers |= ui::EF_SHIFT_DOWN;
|
|
} else if (tokens[i] == "plus") {
|
|
modifiers |= ui::EF_SHIFT_DOWN;
|
|
key = ui::VKEY_OEM_PLUS;
|
|
} else if (tokens[i] == "tab") {
|
|
key = ui::VKEY_TAB;
|
|
} else if (tokens[i] == "space") {
|
|
key = ui::VKEY_SPACE;
|
|
} else if (tokens[i] == "backspace") {
|
|
key = ui::VKEY_BACK;
|
|
} else if (tokens[i] == "delete") {
|
|
key = ui::VKEY_DELETE;
|
|
} else if (tokens[i] == "insert") {
|
|
key = ui::VKEY_INSERT;
|
|
} else if (tokens[i] == "enter" || tokens[i] == "return") {
|
|
key = ui::VKEY_RETURN;
|
|
} else if (tokens[i] == "up") {
|
|
key = ui::VKEY_UP;
|
|
} else if (tokens[i] == "down") {
|
|
key = ui::VKEY_DOWN;
|
|
} else if (tokens[i] == "left") {
|
|
key = ui::VKEY_LEFT;
|
|
} else if (tokens[i] == "right") {
|
|
key = ui::VKEY_RIGHT;
|
|
} else if (tokens[i] == "home") {
|
|
key = ui::VKEY_HOME;
|
|
} else if (tokens[i] == "end") {
|
|
key = ui::VKEY_END;
|
|
} else if (tokens[i] == "pagedown") {
|
|
key = ui::VKEY_PRIOR;
|
|
} else if (tokens[i] == "pageup") {
|
|
key = ui::VKEY_NEXT;
|
|
} else if (tokens[i] == "esc" || tokens[i] == "escape") {
|
|
key = ui::VKEY_ESCAPE;
|
|
} else if (tokens[i] == "volumemute") {
|
|
key = ui::VKEY_VOLUME_MUTE;
|
|
} else if (tokens[i] == "volumeup") {
|
|
key = ui::VKEY_VOLUME_UP;
|
|
} else if (tokens[i] == "volumedown") {
|
|
key = ui::VKEY_VOLUME_DOWN;
|
|
} else if (tokens[i] == "medianexttrack") {
|
|
key = ui::VKEY_MEDIA_NEXT_TRACK;
|
|
} else if (tokens[i] == "mediaprevioustrack") {
|
|
key = ui::VKEY_MEDIA_PREV_TRACK;
|
|
} else if (tokens[i] == "mediastop") {
|
|
key = ui::VKEY_MEDIA_STOP;
|
|
} else if (tokens[i] == "mediaplaypause") {
|
|
key = ui::VKEY_MEDIA_PLAY_PAUSE;
|
|
} else if (tokens[i].size() > 1 && tokens[i][0] == 'f') {
|
|
// F1 - F24.
|
|
int n;
|
|
if (base::StringToInt(tokens[i].c_str() + 1, &n)) {
|
|
key = static_cast<ui::KeyboardCode>(ui::VKEY_F1 + n - 1);
|
|
} else {
|
|
LOG(WARNING) << tokens[i] << "is not available on keyboard";
|
|
return false;
|
|
}
|
|
} else {
|
|
LOG(WARNING) << "Invalid accelerator token: " << tokens[i];
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (key == ui::VKEY_UNKNOWN) {
|
|
LOG(WARNING) << "The accelerator doesn't contain a valid key";
|
|
return false;
|
|
}
|
|
|
|
*accelerator = ui::Accelerator(key, modifiers);
|
|
SetPlatformAccelerator(accelerator);
|
|
return true;
|
|
}
|
|
|
|
void GenerateAcceleratorTable(AcceleratorTable* table, ui::MenuModel* model) {
|
|
int count = model->GetItemCount();
|
|
for (int i = 0; i < count; ++i) {
|
|
ui::MenuModel::ItemType type = model->GetTypeAt(i);
|
|
if (type == ui::MenuModel::TYPE_SUBMENU) {
|
|
ui::MenuModel* submodel = model->GetSubmenuModelAt(i);
|
|
GenerateAcceleratorTable(table, submodel);
|
|
} else {
|
|
ui::Accelerator accelerator;
|
|
if (model->GetAcceleratorAt(i, &accelerator)) {
|
|
MenuItem item = { i, model };
|
|
(*table)[accelerator] = item;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool TriggerAcceleratorTableCommand(AcceleratorTable* table,
|
|
const ui::Accelerator& accelerator) {
|
|
if (ContainsKey(*table, accelerator)) {
|
|
const accelerator_util::MenuItem& item = (*table)[accelerator];
|
|
item.model->ActivatedAt(item.position);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
} // namespace accelerator_util
|