487 lines
14 KiB
C++
487 lines
14 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "shortcuts.h"
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#include "window.h"
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#include "passcodewidget.h"
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#include "mainwidget.h"
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namespace ShortcutCommands {
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typedef void(*Handler)();
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void lock_telegram() {
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if (Window *w = App::wnd()) {
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if (App::passcoded()) {
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w->passcodeWidget()->onSubmit();
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} else if (cHasPasscode()) {
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w->setupPasscode(true);
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}
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}
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}
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void minimize_telegram() {
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if (Window *w = App::wnd()) {
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if (cWorkMode() == dbiwmTrayOnly) {
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w->minimizeToTray();
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} else {
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w->setWindowState(Qt::WindowMinimized);
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}
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}
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}
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void close_telegram() {
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if (!Ui::hideWindowNoQuit()) {
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if (Window *w = App::wnd()) {
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App::wnd()->close();
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}
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}
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}
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void quit_telegram() {
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App::quit();
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}
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//void start_stop_recording() {
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//}
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//void cancel_recording() {
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//}
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void media_play() {
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if (MainWidget *m = App::main()) {
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m->player()->playPressed();
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}
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}
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void media_pause() {
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if (MainWidget *m = App::main()) {
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m->player()->pausePressed();
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}
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}
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void media_playpause() {
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if (MainWidget *m = App::main()) {
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m->player()->playPausePressed();
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}
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}
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void media_stop() {
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if (MainWidget *m = App::main()) {
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m->player()->stopPressed();
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}
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}
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void media_previous() {
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if (MainWidget *m = App::main()) {
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m->player()->prevPressed();
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}
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}
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void media_next() {
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if (MainWidget *m = App::main()) {
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m->player()->nextPressed();
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}
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}
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void search() {
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if (MainWidget *m = App::main()) {
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m->cmd_search();
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}
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}
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void previous_chat() {
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if (MainWidget *m = App::main()) {
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m->cmd_previous_chat();
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}
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}
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void next_chat() {
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if (MainWidget *m = App::main()) {
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m->cmd_next_chat();
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}
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}
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// other commands here
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}
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inline bool qMapLessThanKey(const ShortcutCommands::Handler &a, const ShortcutCommands::Handler &b) {
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return a < b;
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}
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namespace Shortcuts {
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// inspired by https://github.com/sindresorhus/strip-json-comments
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QByteArray _stripJsonComments(const QByteArray &json) {
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enum InsideComment {
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InsideCommentNone,
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InsideCommentSingleLine,
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InsideCommentMultiLine,
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};
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InsideComment insideComment = InsideCommentNone;
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bool insideString = false;
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QByteArray result;
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const char *b = json.cbegin(), *e = json.cend(), *offset = b;
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for (const char *ch = offset; ch != e; ++ch) {
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char currentChar = *ch;
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char nextChar = (ch + 1 == e) ? 0 : *(ch + 1);
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if (insideComment == InsideCommentNone && currentChar == '"') {
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bool escaped = ((ch > b) && *(ch - 1) == '\\') && ((ch - 1 < b) || *(ch - 2) != '\\');
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if (!escaped) {
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insideString = !insideString;
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}
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}
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if (insideString) {
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continue;
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}
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if (insideComment == InsideCommentNone && currentChar == '/' && nextChar == '/') {
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if (ch > offset) {
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if (result.isEmpty()) result.reserve(json.size() - 2);
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result.append(offset, ch - offset);
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offset = ch;
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}
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insideComment = InsideCommentSingleLine;
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++ch;
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} else if (insideComment == InsideCommentSingleLine && currentChar == '\r' && nextChar == '\n') {
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if (ch > offset) {
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offset = ch;
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}
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++ch;
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insideComment = InsideCommentNone;
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} else if (insideComment == InsideCommentSingleLine && currentChar == '\n') {
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if (ch > offset) {
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offset = ch;
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}
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insideComment = InsideCommentNone;
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} else if (insideComment == InsideCommentNone && currentChar == '/' && nextChar == '*') {
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if (ch > offset) {
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if (result.isEmpty()) result.reserve(json.size() - 2);
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result.append(offset, ch - offset);
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offset = ch;
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}
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insideComment = InsideCommentMultiLine;
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++ch;
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} else if (insideComment == InsideCommentMultiLine && currentChar == '*' && nextChar == '/') {
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if (ch > offset) {
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offset = ch;
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}
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++ch;
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insideComment = InsideCommentNone;
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}
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}
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if (insideComment == InsideCommentNone && e > offset && !result.isEmpty()) {
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result.append(offset, e - offset);
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}
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return result.isEmpty() ? json : result;
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}
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struct DataStruct;
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DataStruct *DataPtr = nullptr;
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void _createCommand(const QString &command, ShortcutCommands::Handler handler);
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QKeySequence _setShortcut(const QString &keys, const QString &command);
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struct DataStruct {
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DataStruct() {
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t_assert(DataPtr == nullptr);
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DataPtr = this;
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#define DeclareAlias(keys, command) _setShortcut(qsl(keys), qsl(#command))
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#define DeclareCommand(keys, command) _createCommand(qsl(#command), ShortcutCommands::command); DeclareAlias(keys, command)
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DeclareCommand("ctrl+w", close_telegram);
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DeclareAlias("ctrl+f4", close_telegram);
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DeclareCommand("ctrl+l", lock_telegram);
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DeclareCommand("ctrl+m", minimize_telegram);
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DeclareCommand("ctrl+q", quit_telegram);
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//DeclareCommand("ctrl+r", start_stop_recording);
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//DeclareCommand("ctrl+shift+r", cancel_recording);
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//DeclareCommand("media record", start_stop_recording);
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DeclareCommand("media play", media_play);
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DeclareCommand("media pause", media_pause);
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DeclareCommand("toggle media play/pause", media_playpause);
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DeclareCommand("media stop", media_stop);
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DeclareCommand("media previous", media_previous);
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DeclareCommand("media next", media_next);
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DeclareCommand("ctrl+f", search);
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DeclareAlias("search", search);
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DeclareAlias("find", search);
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DeclareCommand("ctrl+pgdown", next_chat);
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DeclareAlias("alt+down", next_chat);
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DeclareCommand("ctrl+pgup", previous_chat);
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DeclareAlias("alt+up", previous_chat);
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if (cPlatform() == dbipMac || cPlatform() == dbipMacOld) {
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DeclareAlias("meta+tab", next_chat);
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DeclareAlias("meta+shift+tab", previous_chat);
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DeclareAlias("meta+backtab", previous_chat);
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} else {
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DeclareAlias("ctrl+tab", next_chat);
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DeclareAlias("ctrl+shift+tab", previous_chat);
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DeclareAlias("ctrl+backtab", previous_chat);
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}
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// other commands here
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#undef DeclareCommand
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#undef DeclareAlias
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}
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QStringList errors;
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QMap<QString, ShortcutCommands::Handler> commands;
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QMap<ShortcutCommands::Handler, QString> commandnames;
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QMap<QKeySequence, QShortcut*> sequences;
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QMap<int, ShortcutCommands::Handler> handlers;
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QSet<QString> autoRepeatCommands = {
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qsl("media_previous"),
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qsl("media_next"),
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qsl("next_chat"),
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qsl("previous_chat"),
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};
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};
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void _createCommand(const QString &command, ShortcutCommands::Handler handler) {
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t_assert(DataPtr != nullptr);
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t_assert(!command.isEmpty());
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DataPtr->commands.insert(command, handler);
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DataPtr->commandnames.insert(handler, command);
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}
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QKeySequence _setShortcut(const QString &keys, const QString &command) {
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t_assert(DataPtr != nullptr);
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t_assert(!command.isEmpty());
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if (keys.isEmpty()) return QKeySequence();
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QKeySequence seq(keys, QKeySequence::PortableText);
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if (seq.isEmpty()) {
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DataPtr->errors.push_back(qsl("Could not derive key sequence '%1'!").arg(keys));
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} else {
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QMap<QString, ShortcutCommands::Handler>::const_iterator it = DataPtr->commands.constFind(command);
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if (it == DataPtr->commands.cend()) {
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LOG(("Warning: could not find shortcut command handler '%1'").arg(command));
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} else {
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QShortcut *shortcut(new QShortcut(seq, App::wnd(), nullptr, nullptr, Qt::ApplicationShortcut));
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if (!DataPtr->autoRepeatCommands.contains(command)) {
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shortcut->setAutoRepeat(false);
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}
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int shortcutId = shortcut->id();
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if (!shortcutId) {
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DataPtr->errors.push_back(qsl("Could not create shortcut '%1'!").arg(keys));
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} else {
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QMap<QKeySequence, QShortcut*>::iterator seqIt = DataPtr->sequences.find(seq);
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if (seqIt == DataPtr->sequences.cend()) {
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seqIt = DataPtr->sequences.insert(seq, shortcut);
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} else {
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DataPtr->handlers.remove(seqIt.value()->id());
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delete seqIt.value();
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seqIt.value() = shortcut;
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}
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DataPtr->handlers.insert(shortcutId, it.value());
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}
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}
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}
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return seq;
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}
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QKeySequence _removeShortcut(const QString &keys) {
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t_assert(DataPtr != nullptr);
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if (keys.isEmpty()) return QKeySequence();
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QKeySequence seq(keys, QKeySequence::PortableText);
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if (seq.isEmpty()) {
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DataPtr->errors.push_back(qsl("Could not derive key sequence '%1'!").arg(keys));
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} else {
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QMap<QKeySequence, QShortcut*>::iterator seqIt = DataPtr->sequences.find(seq);
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if (seqIt != DataPtr->sequences.cend()) {
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DataPtr->handlers.remove(seqIt.value()->id());
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delete seqIt.value();
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DataPtr->sequences.erase(seqIt);
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}
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}
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return seq;
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}
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void start() {
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t_assert(Global::started());
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new DataStruct();
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// write default shortcuts to a file if they are not there already
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bool defaultValid = false;
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QFile defaultFile(cWorkingDir() + qsl("tdata/shortcuts-default.json"));
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if (defaultFile.open(QIODevice::ReadOnly)) {
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QJsonParseError error = { 0, QJsonParseError::NoError };
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QJsonDocument doc = QJsonDocument::fromJson(_stripJsonComments(defaultFile.readAll()), &error);
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defaultFile.close();
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if (error.error == QJsonParseError::NoError && doc.isArray()) {
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QJsonArray shortcuts(doc.array());
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if (!shortcuts.isEmpty() && (*shortcuts.constBegin()).isObject()) {
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QJsonObject versionObject((*shortcuts.constBegin()).toObject());
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QJsonObject::const_iterator version = versionObject.constFind(qsl("version"));
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if (version != versionObject.constEnd() && (*version).isString() && (*version).toString() == QString::number(AppVersion)) {
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defaultValid = true;
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}
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}
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}
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}
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if (!defaultValid && defaultFile.open(QIODevice::WriteOnly)) {
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const char *defaultHeader = "\
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// This is a list of default shortcuts for Telegram Desktop\n\
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// Please don't modify it, its content is not used in any way\n\
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// You can place your own shortcuts in the 'shortcuts-custom.json' file\n\n";
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defaultFile.write(defaultHeader);
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QJsonArray shortcuts;
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QJsonObject version;
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version.insert(qsl("version"), QString::number(AppVersion));
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shortcuts.push_back(version);
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for (QMap<QKeySequence, QShortcut*>::const_iterator i = DataPtr->sequences.cbegin(), e = DataPtr->sequences.cend(); i != e; ++i) {
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QMap<int, ShortcutCommands::Handler>::const_iterator h = DataPtr->handlers.constFind(i.value()->id());
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if (h != DataPtr->handlers.cend()) {
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QMap<ShortcutCommands::Handler, QString>::const_iterator n = DataPtr->commandnames.constFind(h.value());
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if (n != DataPtr->commandnames.cend()) {
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QJsonObject entry;
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entry.insert(qsl("keys"), i.key().toString().toLower());
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entry.insert(qsl("command"), n.value());
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shortcuts.append(entry);
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}
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}
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}
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QJsonDocument doc;
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doc.setArray(shortcuts);
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defaultFile.write(doc.toJson(QJsonDocument::Indented));
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defaultFile.close();
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}
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// read custom shortcuts from file if it exists or write an empty custom shortcuts file
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QFile customFile(cWorkingDir() + qsl("tdata/shortcuts-custom.json"));
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if (customFile.exists()) {
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if (customFile.open(QIODevice::ReadOnly)) {
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QJsonParseError error = { 0, QJsonParseError::NoError };
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QJsonDocument doc = QJsonDocument::fromJson(_stripJsonComments(customFile.readAll()), &error);
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customFile.close();
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if (error.error != QJsonParseError::NoError) {
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DataPtr->errors.push_back(qsl("Failed to parse! Error: %2").arg(error.errorString()));
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} else if (!doc.isArray()) {
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DataPtr->errors.push_back(qsl("Failed to parse! Error: array expected"));
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} else {
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QJsonArray shortcuts = doc.array();
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int limit = ShortcutsCountLimit;
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for (QJsonArray::const_iterator i = shortcuts.constBegin(), e = shortcuts.constEnd(); i != e; ++i) {
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if (!(*i).isObject()) {
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DataPtr->errors.push_back(qsl("Bad entry! Error: object expected"));
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} else {
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QKeySequence seq;
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QJsonObject entry((*i).toObject());
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QJsonObject::const_iterator keys = entry.constFind(qsl("keys")), command = entry.constFind(qsl("command"));
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if (keys == entry.constEnd() || command == entry.constEnd() || !(*keys).isString() || (!(*command).isString() && !(*command).isNull())) {
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DataPtr->errors.push_back(qsl("Bad entry! {\"keys\": \"...\", \"command\": [ \"...\" | null ]} expected"));
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} else if ((*command).isNull()) {
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seq = _removeShortcut((*keys).toString());
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} else {
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seq = _setShortcut((*keys).toString(), (*command).toString());
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}
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if (!--limit) {
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DataPtr->errors.push_back(qsl("Too many entries! Limit is %1").arg(ShortcutsCountLimit));
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break;
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}
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}
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}
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}
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} else {
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DataPtr->errors.push_back(qsl("Could not read the file!"));
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}
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if (!DataPtr->errors.isEmpty()) {
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DataPtr->errors.push_front(qsl("While reading file '%1'...").arg(customFile.fileName()));
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}
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} else if (customFile.open(QIODevice::WriteOnly)) {
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const char *customContent = "\
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// This is a list of your own shortcuts for Telegram Desktop\n\
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// You can see full list of commands in the 'shortcuts-default.json' file\n\
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// Place a null value instead of a command string to switch the shortcut off\n\n\
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[\n\
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// {\n\
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// \"command\": \"close_telegram\",\n\
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// \"keys\": \"ctrl+f4\"\n\
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// },\n\
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// {\n\
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// \"command\": \"quit_telegram\",\n\
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// \"keys\": \"ctrl+q\"\n\
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// }\n\
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]\n";
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customFile.write(customContent);
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customFile.close();
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}
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}
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const QStringList &errors() {
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t_assert(DataPtr != nullptr);
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return DataPtr->errors;
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}
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bool launch(int shortcutId) {
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t_assert(DataPtr != nullptr);
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QMap<int, ShortcutCommands::Handler>::const_iterator it = DataPtr->handlers.constFind(shortcutId);
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if (it == DataPtr->handlers.cend()) {
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return false;
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}
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(*it.value())();
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return true;
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}
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bool launch(const QString &command) {
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t_assert(DataPtr != nullptr);
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QMap<QString, ShortcutCommands::Handler>::const_iterator it = DataPtr->commands.constFind(command);
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if (it == DataPtr->commands.cend()) {
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return false;
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}
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(*it.value())();
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return true;
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}
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void finish() {
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delete DataPtr;
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DataPtr = nullptr;
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}
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}
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