tdesktop/Telegram/SourceFiles/title.cpp

238 lines
6.5 KiB
C++

/*
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 "lang.h"
#include "style.h"
#include "title.h"
#include "mainwidget.h"
#include "window.h"
#include "application.h"
#include "boxes/contactsbox.h"
#include "boxes/aboutbox.h"
TitleHider::TitleHider(QWidget *parent) : QWidget(parent), _level(0) {
}
void TitleHider::paintEvent(QPaintEvent *e) {
QPainter p(this);
p.setOpacity(_level * st::layerAlpha);
p.fillRect(App::main()->dlgsWidth() - 1, 0, width() - App::main()->dlgsWidth(), height(), st::layerBG->b);
}
void TitleHider::mousePressEvent(QMouseEvent *e) {
if (e->button() == Qt::LeftButton) {
emit static_cast<TitleWidget*>(parentWidget())->hiderClicked();
}
}
void TitleHider::setLevel(float64 level) {
_level = level;
update();
}
TitleWidget::TitleWidget(Window *window)
: QWidget(window)
, wnd(window)
, hideLevel(0)
, hider(0)
, _settings(this, lang(lng_menu_settings), st::titleTextButton)
, _contacts(this, lang(lng_menu_contacts), st::titleTextButton)
, _about(this, lang(lng_menu_about), st::titleTextButton)
, _update(this, window)
, _minimize(this, window)
, _maximize(this, window)
, _restore(this, window)
, _close(this, window)
, lastMaximized(!(window->windowState() & Qt::WindowMaximized))
{
setGeometry(0, 0, wnd->width(), st::titleHeight);
stateChanged();
if (App::app()->updatingState() == Application::UpdatingReady) {
_update.show();
} else {
_update.hide();
}
connect(&_settings, SIGNAL(clicked()), window, SLOT(showSettings()));
connect(&_contacts, SIGNAL(clicked()), this, SLOT(onContacts()));
connect(&_about, SIGNAL(clicked()), this, SLOT(onAbout()));
connect(wnd->windowHandle(), SIGNAL(windowStateChanged(Qt::WindowState)), this, SLOT(stateChanged(Qt::WindowState)));
connect(App::app(), SIGNAL(updateReady()), this, SLOT(showUpdateBtn()));
if (cPlatform() != dbipWindows) {
_minimize.hide();
_maximize.hide();
_restore.hide();
_close.hide();
}
}
void TitleWidget::paintEvent(QPaintEvent *e) {
QPainter p(this);
p.fillRect(QRect(0, 0, width(), st::titleHeight), st::titleBG->b);
p.drawPixmap(st::titleIconPos, App::sprite(), st::titleIconRect);
}
void TitleWidget::setHideLevel(float64 level) {
if (level != hideLevel) {
hideLevel = level;
if (hideLevel) {
if (!hider) {
hider = new TitleHider(this);
hider->move(0, 0);
hider->resize(size());
hider->show();
}
hider->setLevel(hideLevel);
} else {
if (hider) hider->deleteLater();
hider = 0;
}
}
}
void TitleWidget::onContacts() {
if (!App::self()) return;
App::wnd()->showLayer(new ContactsBox());
}
void TitleWidget::onAbout() {
App::wnd()->showLayer(new AboutBox());
}
TitleWidget::~TitleWidget() {
delete hider;
hider = 0;
}
void TitleWidget::resizeEvent(QResizeEvent *e) {
QPoint p(width() - ((cPlatform() == dbipWindows && lastMaximized) ? 0 : st::sysBtnDelta), 0);
if (cPlatform() == dbipWindows) {
p.setX(p.x() - _close.width());
_close.move(p);
p.setX(p.x() - _maximize.width());
_restore.move(p); _maximize.move(p);
p.setX(p.x() - _minimize.width());
_minimize.move(p);
}
if (!_update.isHidden()) {
p.setX(p.x() - _update.width());
_update.move(p);
}
_settings.move(st::titleMenuOffset, 0);
if (MTP::authedId()) {
_contacts.show();
_contacts.move(_settings.x() + _settings.width(), 0);
_about.move(_contacts.x() + _contacts.width(), 0);
} else {
_contacts.hide();
_about.move(_settings.x() + _settings.width(), 0);
}
if (hider) hider->resize(size());
}
void TitleWidget::mousePressEvent(QMouseEvent *e) {
if (wnd->psHandleTitle()) return;
if (e->buttons() & Qt::LeftButton) {
wnd->wStartDrag(e);
e->accept();
}
}
void TitleWidget::mouseDoubleClickEvent(QMouseEvent *e) {
if (wnd->psHandleTitle()) return;
Qt::WindowStates s(wnd->windowState());
if (s.testFlag(Qt::WindowMaximized)) {
wnd->setWindowState(s & ~Qt::WindowMaximized);
} else {
wnd->setWindowState(s | Qt::WindowMaximized);
}
}
void TitleWidget::stateChanged(Qt::WindowState state) {
if (state == Qt::WindowMinimized) return;
maximizedChanged(state == Qt::WindowMaximized);
}
void TitleWidget::showUpdateBtn() {
if (App::app()->updatingState() == Application::UpdatingReady || cEvalScale(cConfigScale()) != cEvalScale(cRealScale())) {
_update.show();
} else {
_update.hide();
}
resizeEvent(0);
update();
}
void TitleWidget::maximizedChanged(bool maximized) {
if (lastMaximized == maximized) return;
lastMaximized = maximized;
if (cPlatform() != dbipWindows) return;
if (maximized) {
_maximize.clearState();
} else {
_restore.clearState();
}
_maximize.setVisible(!maximized);
_restore.setVisible(maximized);
resizeEvent(0);
}
HitTestType TitleWidget::hitTest(const QPoint &p) {
if (App::wnd() && App::wnd()->layerShown()) return HitTestNone;
int x(p.x()), y(p.y()), w(width()), h(height() - st::titleShadow);
if (hider && x >= App::main()->dlgsWidth()) return HitTestNone;
if (x >= st::titleIconPos.x() && y >= st::titleIconPos.y() && x < st::titleIconPos.x() + st::titleIconRect.pxWidth() && y < st::titleIconPos.y() + st::titleIconRect.pxHeight()) {
return HitTestIcon;
} else if (false
|| (_update.hitTest(p - _update.geometry().topLeft()) == HitTestSysButton && _update.isVisible())
|| (_minimize.hitTest(p - _minimize.geometry().topLeft()) == HitTestSysButton)
|| (_maximize.hitTest(p - _maximize.geometry().topLeft()) == HitTestSysButton)
|| (_restore.hitTest(p - _restore.geometry().topLeft()) == HitTestSysButton)
|| (_close.hitTest(p - _close.geometry().topLeft()) == HitTestSysButton)
) {
return HitTestSysButton;
} else if (x >= 0 && x < w && y >= 0 && y < h) {
if (false
|| _settings.geometry().contains(x, y)
|| (!_contacts.isHidden() && _contacts.geometry().contains(x, y))
|| _about.geometry().contains(x, y)
) {
return HitTestClient;
}
return HitTestCaption;
}
return HitTestNone;
}