161 lines
4.2 KiB
C++
161 lines
4.2 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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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "lang.h"
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#include "localstorage.h"
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#include "abstractbox.h"
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#include "mainwidget.h"
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#include "window.h"
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AbstractBox::AbstractBox() : _maxHeight(0), _hiding(false), a_opacity(0, 1) {
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resize(st::boxWidth, 0);
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}
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void AbstractBox::prepare() {
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showAll();
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_cache = myGrab(this, rect());
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hideAll();
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}
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void AbstractBox::keyPressEvent(QKeyEvent *e) {
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if (e->key() == Qt::Key_Escape) {
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onClose();
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} else {
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LayeredWidget::keyPressEvent(e);
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}
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}
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void AbstractBox::parentResized() {
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int32 newHeight = countHeight();
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setGeometry((App::wnd()->width() - width()) / 2, (App::wnd()->height() - newHeight) / 2, width(), newHeight);
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update();
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}
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bool AbstractBox::paint(QPainter &p) {
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bool result = true;
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if (_cache.isNull()) {
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result = (_hiding && a_opacity.current() < 0.01);
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// fill bg
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p.fillRect(rect(), st::boxBG->b);
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} else {
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p.setOpacity(a_opacity.current());
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p.drawPixmap(0, 0, _cache);
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}
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return result;
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}
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void AbstractBox::paintTitle(Painter &p, const QString &title, bool withShadow) {
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if (withShadow) {
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// paint shadow
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p.fillRect(0, st::boxTitleHeight, width(), st::scrollDef.topsh, st::scrollDef.shColor->b);
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}
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// paint box title
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p.setFont(st::boxTitleFont->f);
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p.setPen(st::black->p);
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p.drawTextLeft(st::boxTitlePos.x(), st::boxTitlePos.y(), width(), title);
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}
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void AbstractBox::paintGrayTitle(QPainter &p, const QString &title) {
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// draw box title
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p.setFont(st::boxFont->f);
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p.setPen(st::boxGrayTitle->p);
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p.drawText(QRect(st::boxTitlePos.x(), st::boxTitlePos.y(), width() - 2 * st::boxTitlePos.x(), st::boxFont->height), title, style::al_top);
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}
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void AbstractBox::paintEvent(QPaintEvent *e) {
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QPainter p(this);
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if (paint(p)) return;
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}
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void AbstractBox::animStep(float64 ms) {
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if (ms >= 1) {
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a_opacity.finish();
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_cache = QPixmap();
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if (!_hiding) {
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showAll();
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showDone();
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}
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} else {
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a_opacity.update(ms, anim::linear);
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}
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update();
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}
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void AbstractBox::setMaxHeight(int32 maxHeight) {
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resizeMaxHeight(width(), maxHeight);
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}
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void AbstractBox::resizeMaxHeight(int32 newWidth, int32 maxHeight) {
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if (width() != newWidth || _maxHeight != maxHeight) {
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QRect g(geometry());
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_maxHeight = maxHeight;
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resize(newWidth, countHeight());
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if (parentWidget()) parentWidget()->update(geometry().united(g).marginsAdded(QMargins(st::boxShadow.pxWidth(), st::boxShadow.pxHeight(), st::boxShadow.pxWidth(), st::boxShadow.pxHeight())));
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}
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}
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int32 AbstractBox::countHeight() const {
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return qMin(_maxHeight, App::wnd()->height() - int32(2 * st::boxVerticalMargin));
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}
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void AbstractBox::onClose() {
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closePressed();
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emit closed();
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}
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void AbstractBox::startHide() {
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_hiding = true;
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if (_cache.isNull()) {
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_cache = myGrab(this, rect());
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hideAll();
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}
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a_opacity.start(0);
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}
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ScrollableBox::ScrollableBox(const style::flatScroll &scroll) : AbstractBox(),
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_scroll(this, scroll), _innerPtr(0), _topSkip(st::boxTitleHeight), _bottomSkip(0) {
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}
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void ScrollableBox::resizeEvent(QResizeEvent *e) {
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_scroll.setGeometry(0, _topSkip, width(), height() - _topSkip - _bottomSkip);
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}
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void ScrollableBox::init(QWidget *inner, int32 bottomSkip, int32 topSkip) {
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_bottomSkip = bottomSkip;
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_topSkip = topSkip;
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_innerPtr = inner;
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_scroll.setWidget(_innerPtr);
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_scroll.setFocusPolicy(Qt::NoFocus);
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ScrollableBox::resizeEvent(0);
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}
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void ScrollableBox::hideAll() {
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_scroll.hide();
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}
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void ScrollableBox::showAll() {
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_scroll.show();
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}
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ItemListBox::ItemListBox(const style::flatScroll &scroll) : ScrollableBox(scroll) {
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setMaxHeight(st::boxMaxListHeight);
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}
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