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initial commit for 0.4.18 version of Telegram Desktop

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John Preston
2014-05-30 12:53:19 +04:00
parent 6d9ac2c475
commit 4221fe666f
1933 changed files with 137552 additions and 3 deletions
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113
Telegram/SourceFiles/gui/button.cpp Normal file
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/*
This file is part of Telegram Desktop,
an unofficial desktop messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014 John Preston, https://tdesktop.com
*/
#include "stdafx.h"
#include "button.h"
Button::Button(QWidget *parent) : TWidget(parent), _state(StateNone), _acceptBoth(false) {
}
void Button::leaveEvent(QEvent *e) {
if (_state & StateDown) return;
if (_state & StateOver) {
int oldState = _state;
_state &= ~StateOver;
emit stateChanged(oldState, ButtonByHover);
}
setMouseTracking(false);
return TWidget::leaveEvent(e);
}
void Button::enterEvent(QEvent *e) {
if (!(_state & StateOver)) {
int oldState = _state;
_state |= StateOver;
emit stateChanged(oldState, ButtonByHover);
}
setMouseTracking(true);
return TWidget::enterEvent(e);
}
void Button::setAcceptBoth(bool acceptBoth) {
_acceptBoth = acceptBoth;
}
void Button::mousePressEvent(QMouseEvent *e) {
if (_acceptBoth || e->buttons() & Qt::LeftButton) {
if (!(_state & StateOver)) {
enterEvent(0);
}
if (!(_state & StateDown)) {
int oldState = _state;
_state |= StateDown;
emit stateChanged(oldState, ButtonByPress);
e->accept();
}
}
}
void Button::mouseMoveEvent(QMouseEvent *e) {
if (rect().contains(e->pos())) {
if (!(_state & StateOver)) {
int oldState = _state;
_state |= StateOver;
emit stateChanged(oldState, ButtonByHover);
}
} else {
if (_state & StateOver) {
int oldState = _state;
_state &= ~StateOver;
emit stateChanged(oldState, ButtonByHover);
}
}
}
void Button::mouseReleaseEvent(QMouseEvent *e) {
if (_state & StateDown) {
int oldState = _state;
_state &= ~StateDown;
emit stateChanged(oldState, ButtonByPress);
if (oldState & StateOver) {
emit clicked();
} else {
leaveEvent(e);
}
}
}
void Button::setDisabled(bool disabled) {
int oldState = _state;
if (disabled && !(_state & StateDisabled)) {
_state |= StateDisabled;
emit stateChanged(oldState, ButtonByUser);
} else if (!disabled && (_state & StateDisabled)) {
_state &= ~StateDisabled;
emit stateChanged(oldState, ButtonByUser);
}
}
void Button::clearState() {
int oldState = _state;
_state = StateNone;
emit stateChanged(oldState, ButtonByUser);
}
int Button::getState() const {
return _state;
}