1067 lines
30 KiB
C++
1067 lines
30 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) 2014-2015 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "style.h"
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#include "flatinput.h"
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#include "window.h"
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#include "countryinput.h"
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namespace {
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template <typename InputClass>
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class InputStyle : public QCommonStyle {
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public:
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InputStyle() {
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}
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void drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = 0) const {
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}
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QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const {
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switch (r) {
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case SE_LineEditContents:
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const InputClass *w = widget ? qobject_cast<const InputClass*>(widget) : 0;
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return w ? w->getTextRect() : QCommonStyle::subElementRect(r, opt, widget);
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break;
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}
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return QCommonStyle::subElementRect(r, opt, widget);
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}
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};
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InputStyle<FlatInput> _flatInputStyle;
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}
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FlatInput::FlatInput(QWidget *parent, const style::flatInput &st, const QString &pholder, const QString &v) : QLineEdit(v, parent),
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_fullph(pholder), _oldtext(v), _fastph(false), _kev(0), _customUpDown(false), _phVisible(!v.length()),
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a_phLeft(_phVisible ? 0 : st.phShift), a_phAlpha(_phVisible ? 1 : 0), a_phColor(st.phColor->c),
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a_borderColor(st.borderColor->c), a_bgColor(st.bgColor->c), _notingBene(0), _st(st) {
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resize(_st.width, _st.height);
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setFont(_st.font->f);
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setAlignment(_st.align);
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QPalette p(palette());
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p.setColor(QPalette::Text, _st.textColor->c);
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setPalette(p);
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connect(this, SIGNAL(textChanged(const QString &)), this, SLOT(onTextChange(const QString &)));
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connect(this, SIGNAL(textEdited(const QString &)), this, SLOT(onTextEdited()));
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if (App::wnd()) connect(this, SIGNAL(selectionChanged()), App::wnd(), SLOT(updateGlobalMenu()));
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setStyle(&_flatInputStyle);
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setTextMargins(0, 0, 0, 0);
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setContentsMargins(0, 0, 0, 0);
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setAttribute(Qt::WA_AcceptTouchEvents);
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_touchTimer.setSingleShot(true);
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connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
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}
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void FlatInput::customUpDown(bool custom) {
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_customUpDown = custom;
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}
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void FlatInput::setTextMargin(const QMargins &mrg) {
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_st.textMrg = mrg;
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}
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void FlatInput::onTouchTimer() {
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_touchRightButton = true;
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}
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bool FlatInput::event(QEvent *e) {
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if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
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QTouchEvent *ev = static_cast<QTouchEvent*>(e);
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if (ev->device()->type() == QTouchDevice::TouchScreen) {
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touchEvent(ev);
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return QLineEdit::event(e);
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}
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}
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return QLineEdit::event(e);
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}
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void FlatInput::touchEvent(QTouchEvent *e) {
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switch (e->type()) {
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case QEvent::TouchBegin:
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if (_touchPress || e->touchPoints().isEmpty()) return;
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_touchTimer.start(QApplication::startDragTime());
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_touchPress = true;
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_touchMove = _touchRightButton = false;
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_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
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break;
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case QEvent::TouchUpdate:
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if (!_touchPress || e->touchPoints().isEmpty()) return;
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if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
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_touchMove = true;
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}
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break;
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case QEvent::TouchEnd:
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if (!_touchPress) return;
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if (!_touchMove && window()) {
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Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
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QPoint mapped(mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
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if (_touchRightButton) {
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QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
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contextMenuEvent(&contextEvent);
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}
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}
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_touchTimer.stop();
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_touchPress = _touchMove = _touchRightButton = false;
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break;
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case QEvent::TouchCancel:
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_touchPress = false;
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_touchTimer.stop();
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break;
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}
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}
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QRect FlatInput::getTextRect() const {
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return rect().marginsRemoved(_st.textMrg + QMargins(-2, -1, -2, -1));
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}
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void FlatInput::paintEvent(QPaintEvent *e) {
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Painter p(this);
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p.fillRect(rect(), a_bgColor.current());
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if (_st.borderWidth) {
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QBrush b(a_borderColor.current());
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p.fillRect(0, 0, width() - _st.borderWidth, _st.borderWidth, b);
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p.fillRect(width() - _st.borderWidth, 0, _st.borderWidth, height() - _st.borderWidth, b);
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p.fillRect(_st.borderWidth, height() - _st.borderWidth, width() - _st.borderWidth, _st.borderWidth, b);
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p.fillRect(0, _st.borderWidth, _st.borderWidth, height() - _st.borderWidth, b);
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}
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if (_st.imgRect.pxWidth()) {
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p.drawPixmap(_st.imgPos, App::sprite(), _st.imgRect);
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}
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bool phDraw = _phVisible;
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if (animating()) {
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p.setOpacity(a_phAlpha.current());
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phDraw = true;
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}
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if (phDraw) {
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p.save();
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p.setClipRect(rect());
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QRect phRect(placeholderRect());
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phRect.moveLeft(phRect.left() + a_phLeft.current());
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phPrepare(p);
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p.drawText(phRect, _ph, QTextOption(_st.phAlign));
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p.restore();
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}
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QLineEdit::paintEvent(e);
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}
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void FlatInput::focusInEvent(QFocusEvent *e) {
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a_phColor.start(_st.phFocusColor->c);
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if (_notingBene <= 0) {
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a_borderColor.start(_st.borderActive->c);
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}
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a_bgColor.start(_st.bgActive->c);
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anim::start(this);
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QLineEdit::focusInEvent(e);
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emit focused();
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}
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void FlatInput::focusOutEvent(QFocusEvent *e) {
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a_phColor.start(_st.phColor->c);
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if (_notingBene <= 0) {
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a_borderColor.start(_st.borderColor->c);
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}
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a_bgColor.start(_st.bgColor->c);
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anim::start(this);
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QLineEdit::focusOutEvent(e);
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emit blurred();
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}
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void FlatInput::resizeEvent(QResizeEvent *e) {
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int32 availw = width() - _st.textMrg.left() - _st.textMrg.right() - _st.phPos.x() - 1;
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if (_st.font->width(_fullph) > availw) {
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_ph = _st.font->elided(_fullph, availw);
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} else {
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_ph = _fullph;
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}
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}
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QSize FlatInput::sizeHint() const {
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return geometry().size();
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}
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QSize FlatInput::minimumSizeHint() const {
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return geometry().size();
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}
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bool FlatInput::animStep(float64 ms) {
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float dt = ms / _st.phDuration;
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bool res = true;
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if (dt >= 1) {
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res = false;
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a_phLeft.finish();
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a_phAlpha.finish();
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a_phColor.finish();
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a_bgColor.finish();
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if (_notingBene > 0) {
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_notingBene = -1;
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a_borderColor.start((hasFocus() ? _st.borderActive : _st.borderColor)->c);
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anim::start(this);
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return true;
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} else if (_notingBene) {
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_notingBene = 0;
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}
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a_borderColor.finish();
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} else {
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a_phLeft.update(dt, _st.phLeftFunc);
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a_phAlpha.update(dt, _st.phAlphaFunc);
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a_phColor.update(dt, _st.phColorFunc);
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a_bgColor.update(dt, _st.phColorFunc);
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a_borderColor.update(dt, _st.phColorFunc);
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}
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update();
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return res;
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}
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void FlatInput::setPlaceholder(const QString &ph) {
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_fullph = ph;
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resizeEvent(0);
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update();
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}
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void FlatInput::setPlaceholderFast(bool fast) {
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_fastph = fast;
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if (_fastph) {
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a_phLeft = anim::ivalue(_phVisible ? 0 : _st.phShift, _phVisible ? 0 : _st.phShift);
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a_phAlpha = anim::fvalue(_phVisible ? 1 : 0, _phVisible ? 1 : 0);
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update();
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}
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}
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void FlatInput::updatePlaceholder() {
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bool vis = !text().length();
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if (vis == _phVisible) return;
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if (_fastph) {
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a_phLeft = anim::ivalue(vis ? 0 : _st.phShift, vis ? 0 : _st.phShift);
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a_phAlpha = anim::fvalue(vis ? 1 : 0, vis ? 1 : 0);
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update();
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} else {
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a_phLeft.start(vis ? 0 : _st.phShift);
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a_phAlpha.start(vis ? 1 : 0);
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anim::start(this);
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}
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_phVisible = vis;
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}
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const QString &FlatInput::placeholder() const {
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return _fullph;
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}
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QRect FlatInput::placeholderRect() const {
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return QRect(_st.textMrg.left() + _st.phPos.x(), _st.textMrg.top() + _st.phPos.y(), width() - _st.textMrg.left() - _st.textMrg.right(), height() - _st.textMrg.top() - _st.textMrg.bottom());
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}
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void FlatInput::correctValue(QKeyEvent *e, const QString &was) {
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}
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void FlatInput::phPrepare(Painter &p) {
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p.setFont(_st.font->f);
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p.setPen(a_phColor.current());
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}
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void FlatInput::keyPressEvent(QKeyEvent *e) {
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QString was(text());
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_kev = e;
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if (_customUpDown && (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)) {
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e->ignore();
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} else {
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QLineEdit::keyPressEvent(e);
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}
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if (was == text()) { // call correct manually
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correctValue(_kev, was);
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_oldtext = text();
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if (was != _oldtext) emit changed();
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updatePlaceholder();
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}
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if (e->key() == Qt::Key_Escape) {
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emit cancelled();
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} else if (e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter) {
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emit accepted();
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}
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_kev = 0;
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}
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void FlatInput::onTextEdited() {
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QString was(_oldtext);
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correctValue(_kev, was);
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_oldtext = text();
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if (was != _oldtext) emit changed();
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updatePlaceholder();
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if (App::wnd()) App::wnd()->updateGlobalMenu();
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}
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void FlatInput::onTextChange(const QString &text) {
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_oldtext = text;
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if (App::wnd()) App::wnd()->updateGlobalMenu();
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}
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void FlatInput::notaBene() {
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_notingBene = 1;
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setFocus();
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a_borderColor.start(_st.borderError->c);
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anim::start(this);
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}
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CountryCodeInput::CountryCodeInput(QWidget *parent, const style::flatInput &st) : FlatInput(parent, st), _nosignal(false) {
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}
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void CountryCodeInput::startErasing(QKeyEvent *e) {
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setFocus();
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keyPressEvent(e);
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}
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void CountryCodeInput::codeSelected(const QString &code) {
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QString old(text());
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setText('+' + code);
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_nosignal = true;
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correctValue(0, old);
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_nosignal = false;
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emit changed();
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}
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void CountryCodeInput::correctValue(QKeyEvent *e, const QString &was) {
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QString oldText(text()), newText, addToNumber;
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int oldPos(cursorPosition()), newPos(-1), oldLen(oldText.length()), start = 0, digits = 5;
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newText.reserve(oldLen + 1);
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newText += '+';
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if (oldLen && oldText[0] == '+') {
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++start;
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}
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for (int i = start; i < oldLen; ++i) {
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QChar ch(oldText[i]);
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if (ch.isDigit()) {
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if (!digits || !--digits) {
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addToNumber += ch;
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} else {
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newText += ch;
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}
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}
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if (i == oldPos) {
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newPos = newText.length();
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}
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}
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if (!addToNumber.isEmpty()) {
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QString validCode = findValidCode(newText.mid(1));
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addToNumber = newText.mid(1 + validCode.length()) + addToNumber;
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newText = '+' + validCode;
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}
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if (newPos < 0 || newPos > newText.length()) {
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newPos = newText.length();
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}
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if (newText != oldText) {
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setText(newText);
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if (newPos != oldPos) {
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setCursorPosition(newPos);
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}
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}
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if (!_nosignal && was != newText) {
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emit codeChanged(newText.mid(1));
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}
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if (!addToNumber.isEmpty()) {
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emit addedToNumber(addToNumber);
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}
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}
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UsernameInput::UsernameInput(QWidget *parent, const style::flatInput &st, const QString &ph, const QString &val) : FlatInput(parent, st, ph, val) {
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}
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void UsernameInput::correctValue(QKeyEvent *e, const QString &was) {
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QString oldText(text()), newText;
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int32 newPos = cursorPosition(), from, len = oldText.size();
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for (from = 0; from < len; ++from) {
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if (!oldText.at(from).isSpace()) {
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break;
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}
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if (newPos > 0) --newPos;
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}
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len -= from;
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if (len > MaxUsernameLength) len = MaxUsernameLength + (oldText.at(from) == '@' ? 1 : 0);
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for (int32 to = from + len; to > from;) {
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--to;
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if (!oldText.at(to).isSpace()) {
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break;
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}
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--len;
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}
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newText = oldText.mid(from, len);
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if (newText != oldText) {
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setText(newText);
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setCursorPosition(newPos);
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}
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}
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InputField::InputField(QWidget *parent, const style::InputField &st, const QString &ph, const QString &val) : TWidget(parent),
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_inner(this, val),
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_oldtext(val),
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_keyEvent(0),
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_undoAvailable(false),
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_redoAvailable(false),
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_fakeMargin(0),
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_customUpDown(false),
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_placeholderFull(ph),
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_placeholderVisible(val.isEmpty()),
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a_placeholderLeft(_placeholderVisible ? 0 : st.placeholderShift),
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a_placeholderOpacity(_placeholderVisible ? 1 : 0),
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a_placeholderFg(st.placeholderFg->c),
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_placeholderFgAnim(animFunc(this, &InputField::placeholderFgStep)),
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_placeholderShiftAnim(animFunc(this, &InputField::placeholderShiftStep)),
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a_borderOpacityActive(0),
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a_borderFg(st.borderFg->c),
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_borderAnim(animFunc(this, &InputField::borderStep)),
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_focused(false), _error(false),
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_st(&st),
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_touchPress(false),
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_touchRightButton(false),
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_touchMove(false),
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_replacingEmojis(false) {
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_inner.setAcceptRichText(false);
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resize(_st->width, _st->height);
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_inner.setWordWrapMode(QTextOption::NoWrap);
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_inner.setLineWrapMode(QTextEdit::NoWrap);
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_inner.setFont(_st->font->f);
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_inner.setAlignment(cRtl() ? Qt::AlignRight : Qt::AlignLeft);
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_placeholder = _st->font->elided(_placeholderFull, width() - _st->textMargins.left() - _st->textMargins.right() - _st->placeholderMargins.left() - _st->placeholderMargins.right() - 1);
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QPalette p(palette());
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p.setColor(QPalette::Text, _st->textFg->c);
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setPalette(p);
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_inner.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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_inner.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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_inner.setFrameStyle(QFrame::NoFrame | QFrame::Plain);
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_inner.viewport()->setAutoFillBackground(false);
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_inner.setContentsMargins(0, 0, 0, 0);
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_inner.document()->setDocumentMargin(0);
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setAttribute(Qt::WA_AcceptTouchEvents);
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_inner.viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
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_touchTimer.setSingleShot(true);
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connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
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connect(_inner.document(), SIGNAL(contentsChange(int, int, int)), this, SLOT(onDocumentContentsChange(int, int, int)));
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connect(_inner.document(), SIGNAL(contentsChanged()), this, SLOT(onDocumentContentsChanged()));
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connect(&_inner, SIGNAL(undoAvailable(bool)), this, SLOT(onUndoAvailable(bool)));
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connect(&_inner, SIGNAL(redoAvailable(bool)), this, SLOT(onRedoAvailable(bool)));
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if (App::wnd()) connect(&_inner, SIGNAL(selectionChanged()), App::wnd(), SLOT(updateGlobalMenu()));
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}
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void InputField::onTouchTimer() {
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_touchRightButton = true;
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}
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|
|
InputField::InputFieldInner::InputFieldInner(InputField *parent, const QString &val) : QTextEdit(val, parent) {
|
|
}
|
|
|
|
bool InputField::InputFieldInner::viewportEvent(QEvent *e) {
|
|
if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
|
|
QTouchEvent *ev = static_cast<QTouchEvent*>(e);
|
|
if (ev->device()->type() == QTouchDevice::TouchScreen) {
|
|
qobject_cast<InputField*>(parentWidget())->touchEvent(ev);
|
|
return QTextEdit::viewportEvent(e);
|
|
}
|
|
}
|
|
return QTextEdit::viewportEvent(e);
|
|
}
|
|
|
|
void InputField::touchEvent(QTouchEvent *e) {
|
|
switch (e->type()) {
|
|
case QEvent::TouchBegin:
|
|
if (_touchPress || e->touchPoints().isEmpty()) return;
|
|
_touchTimer.start(QApplication::startDragTime());
|
|
_touchPress = true;
|
|
_touchMove = _touchRightButton = false;
|
|
_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
|
|
break;
|
|
|
|
case QEvent::TouchUpdate:
|
|
if (!_touchPress || e->touchPoints().isEmpty()) return;
|
|
if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
|
|
_touchMove = true;
|
|
}
|
|
break;
|
|
|
|
case QEvent::TouchEnd:
|
|
if (!_touchPress) return;
|
|
if (!_touchMove && window()) {
|
|
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
|
|
QPoint mapped(mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
|
|
|
|
if (_touchRightButton) {
|
|
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
|
|
contextMenuEvent(&contextEvent);
|
|
}
|
|
}
|
|
_touchTimer.stop();
|
|
_touchPress = _touchMove = _touchRightButton = false;
|
|
break;
|
|
|
|
case QEvent::TouchCancel:
|
|
_touchPress = false;
|
|
_touchTimer.stop();
|
|
break;
|
|
}
|
|
}
|
|
|
|
int32 InputField::fakeMargin() const {
|
|
return _fakeMargin;
|
|
}
|
|
|
|
void InputField::paintEvent(QPaintEvent *e) {
|
|
Painter p(this);
|
|
|
|
QRect r(rect().intersected(e->rect()));
|
|
p.fillRect(r, st::white->b);
|
|
if (_st->border) {
|
|
p.fillRect(0, height() - _st->border, width(), _st->border, _st->borderFg->b);
|
|
}
|
|
if (_st->borderActive && a_borderOpacityActive.current() > 0) {
|
|
p.setOpacity(a_borderOpacityActive.current());
|
|
p.fillRect(0, height() - _st->borderActive, width(), _st->borderActive, a_borderFg.current());
|
|
p.setOpacity(1);
|
|
}
|
|
if (_st->iconSprite.pxWidth()) {
|
|
p.drawSpriteLeft(_st->iconPosition, width(), _st->iconSprite);
|
|
}
|
|
|
|
bool drawPlaceholder = _placeholderVisible;
|
|
if (_placeholderShiftAnim.animating()) {
|
|
p.setOpacity(a_placeholderOpacity.current());
|
|
drawPlaceholder = true;
|
|
}
|
|
if (drawPlaceholder) {
|
|
p.save();
|
|
p.setClipRect(r);
|
|
|
|
QRect r(rect().marginsRemoved(_st->textMargins + _st->placeholderMargins));
|
|
r.moveLeft(r.left() + a_placeholderLeft.current());
|
|
if (rtl()) r.moveLeft(width() - r.left() - r.width());
|
|
|
|
p.setFont(_st->font->f);
|
|
p.setPen(a_placeholderFg.current());
|
|
p.drawText(r, _placeholder, _st->placeholderAlign);
|
|
|
|
p.restore();
|
|
}
|
|
TWidget::paintEvent(e);
|
|
}
|
|
|
|
void InputField::focusInEvent(QFocusEvent *e) {
|
|
_inner.setFocus();
|
|
}
|
|
|
|
void InputField::mousePressEvent(QMouseEvent *e) {
|
|
_inner.setFocus();
|
|
}
|
|
|
|
void InputField::contextMenuEvent(QContextMenuEvent *e) {
|
|
_inner.contextMenuEvent(e);
|
|
}
|
|
|
|
void InputField::InputFieldInner::focusInEvent(QFocusEvent *e) {
|
|
f()->focusInInner();
|
|
QTextEdit::focusInEvent(e);
|
|
emit f()->focused();
|
|
}
|
|
|
|
void InputField::focusInInner() {
|
|
if (!_focused) {
|
|
_focused = true;
|
|
|
|
a_placeholderFg.start(_st->placeholderFgActive->c);
|
|
_placeholderFgAnim.start();
|
|
|
|
a_borderFg.start((_error ? _st->borderFgError : _st->borderFgActive)->c);
|
|
a_borderOpacityActive.start(1);
|
|
_borderAnim.start();
|
|
}
|
|
}
|
|
|
|
void InputField::InputFieldInner::focusOutEvent(QFocusEvent *e) {
|
|
f()->focusOutInner();
|
|
QTextEdit::focusOutEvent(e);
|
|
emit f()->blurred();
|
|
}
|
|
|
|
void InputField::focusOutInner() {
|
|
if (_focused) {
|
|
_focused = false;
|
|
|
|
a_placeholderFg.start(_st->placeholderFg->c);
|
|
_placeholderFgAnim.start();
|
|
|
|
a_borderFg.start((_error ? _st->borderFgError : _st->borderFg)->c);
|
|
a_borderOpacityActive.start(_error ? 1 : 0);
|
|
_borderAnim.start();
|
|
}
|
|
}
|
|
|
|
QSize InputField::sizeHint() const {
|
|
return geometry().size();
|
|
}
|
|
|
|
QSize InputField::minimumSizeHint() const {
|
|
return geometry().size();
|
|
}
|
|
|
|
QString InputField::getText(int32 start, int32 end) const {
|
|
if (end >= 0 && end <= start) return QString();
|
|
|
|
if (start < 0) start = 0;
|
|
bool full = (start == 0) && (end < 0);
|
|
|
|
QTextDocument *doc(_inner.document());
|
|
QTextBlock from = full ? doc->begin() : doc->findBlock(start), till = (end < 0) ? doc->end() : doc->findBlock(end);
|
|
if (till.isValid()) till = till.next();
|
|
|
|
int32 possibleLen = 0;
|
|
for (QTextBlock b = from; b != till; b = b.next()) {
|
|
possibleLen += b.length();
|
|
}
|
|
QString result;
|
|
result.reserve(possibleLen + 1);
|
|
if (!full && end < 0) {
|
|
end = possibleLen;
|
|
}
|
|
|
|
for (QTextBlock b = from; b != till; b = b.next()) {
|
|
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
|
|
QTextFragment fragment(iter.fragment());
|
|
if (!fragment.isValid()) continue;
|
|
|
|
int32 p = full ? 0 : fragment.position(), e = full ? 0 : (p + fragment.length());
|
|
if (!full) {
|
|
if (p >= end || e <= start) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
QTextCharFormat f = fragment.charFormat();
|
|
QString emojiText;
|
|
QString t(fragment.text());
|
|
if (!full) {
|
|
if (p < start) {
|
|
t = t.mid(start - p, end - start);
|
|
} else if (e > end) {
|
|
t = t.mid(0, end - p);
|
|
}
|
|
}
|
|
QChar *ub = t.data(), *uc = ub, *ue = uc + t.size();
|
|
for (; uc != ue; ++uc) {
|
|
switch (uc->unicode()) {
|
|
case 0xfdd0: // QTextBeginningOfFrame
|
|
case 0xfdd1: // QTextEndOfFrame
|
|
case QChar::ParagraphSeparator:
|
|
case QChar::LineSeparator:
|
|
*uc = QLatin1Char('\n');
|
|
break;
|
|
case QChar::Nbsp:
|
|
*uc = QLatin1Char(' ');
|
|
break;
|
|
case QChar::ObjectReplacementCharacter:
|
|
if (emojiText.isEmpty() && f.isImageFormat()) {
|
|
QString imageName = static_cast<QTextImageFormat*>(&f)->name();
|
|
if (imageName.startsWith(qstr("emoji://e."))) {
|
|
if (EmojiPtr emoji = emojiFromUrl(imageName)) {
|
|
emojiText = emojiString(emoji);
|
|
}
|
|
}
|
|
}
|
|
if (uc > ub) result.append(ub, uc - ub);
|
|
if (!emojiText.isEmpty()) result.append(emojiText);
|
|
ub = uc + 1;
|
|
break;
|
|
}
|
|
}
|
|
if (uc > ub) result.append(ub, uc - ub);
|
|
}
|
|
result.append('\n');
|
|
}
|
|
result.chop(1);
|
|
return result;
|
|
}
|
|
|
|
bool InputField::hasText() const {
|
|
QTextDocument *doc(_inner.document());
|
|
QTextBlock from = doc->begin(), till = doc->end();
|
|
|
|
if (from == till) return false;
|
|
|
|
for (QTextBlock::Iterator iter = from.begin(); !iter.atEnd(); ++iter) {
|
|
QTextFragment fragment(iter.fragment());
|
|
if (!fragment.isValid()) continue;
|
|
if (!fragment.text().isEmpty()) return true;
|
|
}
|
|
return (from.next() != till);
|
|
}
|
|
|
|
bool InputField::isUndoAvailable() const {
|
|
return _undoAvailable;
|
|
}
|
|
|
|
bool InputField::isRedoAvailable() const {
|
|
return _redoAvailable;
|
|
}
|
|
|
|
void InputField::insertEmoji(EmojiPtr emoji, QTextCursor c) {
|
|
QTextImageFormat imageFormat;
|
|
int32 ew = ESize + st::emojiPadding * cIntRetinaFactor() * 2, eh = _st->font->height * cIntRetinaFactor();
|
|
imageFormat.setWidth(ew / cIntRetinaFactor());
|
|
imageFormat.setHeight(eh / cIntRetinaFactor());
|
|
imageFormat.setName(qsl("emoji://e.") + QString::number(emojiKey(emoji), 16));
|
|
imageFormat.setVerticalAlignment(QTextCharFormat::AlignBaseline);
|
|
|
|
static QString objectReplacement(QChar::ObjectReplacementCharacter);
|
|
c.insertText(objectReplacement, imageFormat);
|
|
}
|
|
|
|
QVariant InputField::InputFieldInner::loadResource(int type, const QUrl &name) {
|
|
QString imageName = name.toDisplayString();
|
|
if (imageName.startsWith(qstr("emoji://e."))) {
|
|
if (EmojiPtr emoji = emojiFromUrl(imageName)) {
|
|
return QVariant(App::emojiSingle(emoji, f()->_st->font->height));
|
|
}
|
|
}
|
|
return QVariant();
|
|
}
|
|
|
|
void InputField::processDocumentContentsChange(int position, int charsAdded) {
|
|
int32 emojiPosition = 0, emojiLen = 0;
|
|
const EmojiData *emoji = 0;
|
|
|
|
static QString space(' ');
|
|
|
|
QTextDocument *doc(_inner.document());
|
|
QTextCursor c(_inner.textCursor());
|
|
c.joinPreviousEditBlock();
|
|
while (true) {
|
|
int32 start = position, end = position + charsAdded;
|
|
QTextBlock from = doc->findBlock(start), till = doc->findBlock(end);
|
|
if (till.isValid()) till = till.next();
|
|
|
|
for (QTextBlock b = from; b != till; b = b.next()) {
|
|
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
|
|
QTextFragment fragment(iter.fragment());
|
|
if (!fragment.isValid()) continue;
|
|
|
|
int32 fp = fragment.position(), fe = fp + fragment.length();
|
|
if (fp >= end || fe <= start) {
|
|
continue;
|
|
}
|
|
|
|
QString t(fragment.text());
|
|
const QChar *ch = t.constData(), *e = ch + t.size();
|
|
for (; ch != e; ++ch) {
|
|
// QTextBeginningOfFrame // QTextEndOfFrame
|
|
if (ch->unicode() == 0xfdd0 || ch->unicode() == 0xfdd1 || ch->unicode() == QChar::ParagraphSeparator || ch->unicode() == QChar::LineSeparator || ch->unicode() == '\n' || ch->unicode() == '\r') {
|
|
if (!_inner.document()->pageSize().isNull()) {
|
|
_inner.document()->setPageSize(QSizeF(0, 0));
|
|
}
|
|
int32 nlPosition = fp + (ch - t.constData());
|
|
QTextCursor c(doc->docHandle(), nlPosition);
|
|
c.setPosition(nlPosition + 1, QTextCursor::KeepAnchor);
|
|
c.insertText(space);
|
|
position = nlPosition + 1;
|
|
emoji = TwoSymbolEmoji; // just a flag
|
|
break;
|
|
}
|
|
emoji = emojiFromText(ch, e, emojiLen);
|
|
if (emoji) {
|
|
emojiPosition = fp + (ch - t.constData());
|
|
break;
|
|
}
|
|
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) ++ch;
|
|
}
|
|
if (emoji) break;
|
|
}
|
|
if (emoji) break;
|
|
if (b.next() != doc->end()) {
|
|
int32 nlPosition = b.next().position() - 1;
|
|
QTextCursor c(doc->docHandle(), nlPosition);
|
|
c.setPosition(nlPosition + 1, QTextCursor::KeepAnchor);
|
|
c.insertText(space);
|
|
position = nlPosition + 1;
|
|
emoji = TwoSymbolEmoji; // just a flag
|
|
break;
|
|
}
|
|
}
|
|
if (emoji == TwoSymbolEmoji) { // just skip
|
|
emoji = 0;
|
|
emojiPosition = 0;
|
|
} else if (emoji) {
|
|
if (!_inner.document()->pageSize().isNull()) {
|
|
_inner.document()->setPageSize(QSizeF(0, 0));
|
|
}
|
|
|
|
QTextCursor c(doc->docHandle(), emojiPosition);
|
|
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
|
|
int32 removedUpto = c.position();
|
|
|
|
insertEmoji(emoji, c);
|
|
|
|
for (Insertions::iterator i = _insertions.begin(), e = _insertions.end(); i != e; ++i) {
|
|
if (i->first >= removedUpto) {
|
|
i->first -= removedUpto - emojiPosition - 1;
|
|
} else if (i->first >= emojiPosition) {
|
|
i->second -= removedUpto - emojiPosition;
|
|
i->first = emojiPosition + 1;
|
|
} else if (i->first + i->second > emojiPosition + 1) {
|
|
i->second -= qMin(removedUpto, i->first + i->second) - emojiPosition;
|
|
}
|
|
}
|
|
|
|
charsAdded -= removedUpto - position;
|
|
position = emojiPosition + 1;
|
|
|
|
emoji = 0;
|
|
emojiPosition = 0;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
c.endEditBlock();
|
|
}
|
|
|
|
void InputField::onDocumentContentsChange(int position, int charsRemoved, int charsAdded) {
|
|
if (_replacingEmojis) return;
|
|
|
|
if (_inner.document()->availableRedoSteps() > 0) return;
|
|
|
|
const int takeBack = 3;
|
|
|
|
position -= takeBack;
|
|
charsAdded += takeBack;
|
|
if (position < 0) {
|
|
charsAdded += position;
|
|
position = 0;
|
|
}
|
|
if (charsAdded <= 0) return;
|
|
|
|
// _insertions.push_back(Insertion(position, charsAdded));
|
|
_replacingEmojis = true;
|
|
QSizeF s = _inner.document()->pageSize();
|
|
processDocumentContentsChange(position, charsAdded);
|
|
if (_inner.document()->pageSize() != s) {
|
|
_inner.document()->setPageSize(s);
|
|
}
|
|
_replacingEmojis = false;
|
|
}
|
|
|
|
void InputField::onDocumentContentsChanged() {
|
|
if (_replacingEmojis) return;
|
|
|
|
if (!_insertions.isEmpty()) {
|
|
if (_inner.document()->availableRedoSteps() > 0) {
|
|
_insertions.clear();
|
|
} else {
|
|
_replacingEmojis = true;
|
|
QSizeF s = _inner.document()->pageSize();
|
|
|
|
do {
|
|
Insertion i = _insertions.front();
|
|
_insertions.pop_front();
|
|
if (i.second > 0) {
|
|
processDocumentContentsChange(i.first, i.second);
|
|
}
|
|
} while (!_insertions.isEmpty());
|
|
|
|
if (_inner.document()->pageSize() != s) {
|
|
_inner.document()->setPageSize(s);
|
|
}
|
|
_replacingEmojis = false;
|
|
}
|
|
}
|
|
|
|
QString curText(getText());
|
|
if (_oldtext != curText) {
|
|
_oldtext = curText;
|
|
emit changed();
|
|
}
|
|
updatePlaceholder();
|
|
if (App::wnd()) App::wnd()->updateGlobalMenu();
|
|
}
|
|
|
|
void InputField::onUndoAvailable(bool avail) {
|
|
_undoAvailable = avail;
|
|
if (App::wnd()) App::wnd()->updateGlobalMenu();
|
|
}
|
|
|
|
void InputField::onRedoAvailable(bool avail) {
|
|
_redoAvailable = avail;
|
|
if (App::wnd()) App::wnd()->updateGlobalMenu();
|
|
}
|
|
|
|
bool InputField::placeholderFgStep(float64 ms) {
|
|
float dt = ms / _st->duration;
|
|
bool res = true;
|
|
if (dt >= 1) {
|
|
res = false;
|
|
a_placeholderFg.finish();
|
|
} else {
|
|
a_placeholderFg.update(dt, anim::linear);
|
|
}
|
|
update();
|
|
return res;
|
|
}
|
|
|
|
bool InputField::placeholderShiftStep(float64 ms) {
|
|
float dt = ms / _st->duration;
|
|
bool res = true;
|
|
if (dt >= 1) {
|
|
res = false;
|
|
a_placeholderLeft.finish();
|
|
a_placeholderOpacity.finish();
|
|
} else {
|
|
a_placeholderLeft.update(dt, anim::linear);
|
|
a_placeholderOpacity.update(dt, anim::linear);
|
|
}
|
|
update();
|
|
return res;
|
|
}
|
|
|
|
bool InputField::borderStep(float64 ms) {
|
|
float dt = ms / _st->duration;
|
|
bool res = true;
|
|
if (dt >= 1) {
|
|
res = false;
|
|
a_borderFg.finish();
|
|
a_borderOpacityActive.finish();
|
|
} else {
|
|
a_borderFg.update(dt, anim::linear);
|
|
a_borderOpacityActive.update(dt, anim::linear);
|
|
}
|
|
update();
|
|
return res;
|
|
}
|
|
const QString &InputField::getLastText() const {
|
|
return _oldtext;
|
|
}
|
|
|
|
void InputField::updatePlaceholder() {
|
|
bool placeholderVisible = _oldtext.isEmpty();
|
|
if (placeholderVisible != _placeholderVisible) {
|
|
_placeholderVisible = placeholderVisible;
|
|
|
|
a_placeholderLeft.start(_placeholderVisible ? 0 : _st->placeholderShift);
|
|
a_placeholderOpacity.start(_placeholderVisible ? 1 : 0);
|
|
_placeholderShiftAnim.start();
|
|
}
|
|
}
|
|
|
|
void InputField::correctValue(QKeyEvent *e, const QString &was) {
|
|
}
|
|
|
|
QMimeData *InputField::InputFieldInner::createMimeDataFromSelection() const {
|
|
QMimeData *result = new QMimeData();
|
|
QTextCursor c(textCursor());
|
|
int32 start = c.selectionStart(), end = c.selectionEnd();
|
|
if (end > start) {
|
|
result->setText(f()->getText(start, end));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void InputField::customUpDown(bool custom) {
|
|
_customUpDown = custom;
|
|
}
|
|
|
|
void InputField::InputFieldInner::keyPressEvent(QKeyEvent *e) {
|
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bool shift = e->modifiers().testFlag(Qt::ShiftModifier);
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bool macmeta = (cPlatform() == dbipMac) && e->modifiers().testFlag(Qt::ControlModifier) && !e->modifiers().testFlag(Qt::MetaModifier) && !e->modifiers().testFlag(Qt::AltModifier);
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bool ctrl = e->modifiers().testFlag(Qt::ControlModifier) || e->modifiers().testFlag(Qt::MetaModifier), ctrlGood = true;
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bool enter = (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return);
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if (macmeta && e->key() == Qt::Key_Backspace) {
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QTextCursor tc(textCursor()), start(tc);
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start.movePosition(QTextCursor::StartOfLine);
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tc.setPosition(start.position(), QTextCursor::KeepAnchor);
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tc.removeSelectedText();
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} else if (enter && ctrlGood) {
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emit f()->submitted(ctrl && shift);
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} else if (e->key() == Qt::Key_Escape) {
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emit f()->cancelled();
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} else if (e->key() == Qt::Key_Tab || (ctrl && e->key() == Qt::Key_Backtab)) {
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if (ctrl) {
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e->ignore();
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} else {
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emit f()->tabbed();
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}
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} else if (e->key() == Qt::Key_Search || e == QKeySequence::Find) {
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e->ignore();
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} else if (f()->_customUpDown && (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)) {
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e->ignore();
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} else {
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QTextCursor tc(textCursor());
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if (enter && ctrl) {
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e->setModifiers(e->modifiers() & ~Qt::ControlModifier);
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}
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QTextEdit::keyPressEvent(e);
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if (tc == textCursor()) {
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bool check = false;
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if (e->key() == Qt::Key_PageUp || e->key() == Qt::Key_Up) {
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tc.movePosition(QTextCursor::Start, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
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check = true;
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} else if (e->key() == Qt::Key_PageDown || e->key() == Qt::Key_Down) {
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tc.movePosition(QTextCursor::End, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
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check = true;
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}
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if (check) {
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if (tc == textCursor()) {
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e->ignore();
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} else {
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setTextCursor(tc);
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}
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}
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}
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}
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}
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void InputField::InputFieldInner::paintEvent(QPaintEvent *e) {
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return QTextEdit::paintEvent(e);
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}
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void InputField::resizeEvent(QResizeEvent *e) {
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_placeholder = _st->font->elided(_placeholderFull, width() - _st->textMargins.left() - _st->textMargins.right() - _st->placeholderMargins.left() - _st->placeholderMargins.right() - 1);
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_inner.setGeometry(rect().marginsRemoved(_st->textMargins));
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TWidget::resizeEvent(e);
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}
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