tdesktop/Telegram/SourceFiles/ui/widgets/menu.cpp

456 lines
14 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "ui/widgets/menu.h"
#include "ui/effects/ripple_animation.h"
#include "ui/widgets/checkbox.h"
namespace Ui {
Menu::ActionData::~ActionData() = default;
Menu::Menu(QWidget *parent, const style::Menu &st) : TWidget(parent)
, _st(st)
, _itemHeight(_st.itemPadding.top() + _st.itemFont->height + _st.itemPadding.bottom())
, _separatorHeight(_st.separatorPadding.top() + _st.separatorWidth + _st.separatorPadding.bottom()) {
init();
}
Menu::Menu(QWidget *parent, QMenu *menu, const style::Menu &st) : TWidget(parent)
, _st(st)
, _wappedMenu(menu)
, _itemHeight(_st.itemPadding.top() + _st.itemFont->height + _st.itemPadding.bottom())
, _separatorHeight(_st.separatorPadding.top() + _st.separatorWidth + _st.separatorPadding.bottom()) {
init();
_wappedMenu->setParent(this);
for (auto action : _wappedMenu->actions()) {
addAction(action);
}
_wappedMenu->hide();
}
void Menu::init() {
resize(_forceWidth ? _forceWidth : _st.widthMin, _st.skip * 2);
setMouseTracking(true);
setAttribute(Qt::WA_OpaquePaintEvent);
}
QAction *Menu::addAction(const QString &text, const QObject *receiver, const char* member, const style::icon *icon, const style::icon *iconOver) {
auto action = addAction(new QAction(text, this), icon, iconOver);
connect(action, SIGNAL(triggered(bool)), receiver, member, Qt::QueuedConnection);
return action;
}
QAction *Menu::addAction(const QString &text, Fn<void()> callback, const style::icon *icon, const style::icon *iconOver) {
auto action = addAction(new QAction(text, this), icon, iconOver);
connect(action, &QAction::triggered, action, std::move(callback), Qt::QueuedConnection);
return action;
}
QAction *Menu::addAction(QAction *action, const style::icon *icon, const style::icon *iconOver) {
connect(action, SIGNAL(changed()), this, SLOT(actionChanged()));
_actions.push_back(action);
auto createData = [icon, iconOver, action] {
auto data = ActionData();
data.icon = icon;
data.iconOver = iconOver ? iconOver : icon;
data.hasSubmenu = (action->menu() != nullptr);
return data;
};
_actionsData.push_back(createData());
auto newWidth = qMax(width(), _st.widthMin);
newWidth = processAction(action, _actions.size() - 1, newWidth);
auto newHeight = height() + (action->isSeparator() ? _separatorHeight : _itemHeight);
resize(_forceWidth ? _forceWidth : newWidth, newHeight);
if (_resizedCallback) {
_resizedCallback();
}
updateSelected(QCursor::pos());
update();
return action;
}
QAction *Menu::addSeparator() {
auto separator = new QAction(this);
separator->setSeparator(true);
return addAction(separator);
}
void Menu::clearActions() {
setSelected(-1);
setPressed(-1);
_actionsData.clear();
for (auto action : base::take(_actions)) {
if (action->parent() == this) {
delete action;
}
}
resize(_forceWidth ? _forceWidth : _st.widthMin, _st.skip * 2);
if (_resizedCallback) {
_resizedCallback();
}
}
void Menu::finishAnimating() {
for (auto &data : _actionsData) {
if (data.ripple) {
data.ripple.reset();
}
if (data.toggle) {
data.toggle->finishAnimating();
}
}
}
int Menu::processAction(QAction *action, int index, int width) {
auto &data = _actionsData[index];
if (action->isSeparator() || action->text().isEmpty()) {
data.text = data.shortcut = QString();
} else {
auto actionTextParts = action->text().split('\t');
auto actionText = actionTextParts.empty() ? QString() : actionTextParts[0];
auto actionShortcut = (actionTextParts.size() > 1) ? actionTextParts[1] : QString();
int textw = _st.itemFont->width(actionText);
int goodw = _st.itemPadding.left() + textw + _st.itemPadding.right();
if (data.hasSubmenu) {
goodw += _st.itemPadding.right() + _st.arrow.width();
} else if (!actionShortcut.isEmpty()) {
goodw += _st.itemPadding.right() + _st.itemFont->width(actionShortcut);
}
if (action->isCheckable()) {
auto updateCallback = [this, index] { updateItem(index); };
if (data.toggle) {
data.toggle->setUpdateCallback(updateCallback);
data.toggle->setCheckedAnimated(action->isChecked());
} else {
data.toggle = std::make_unique<ToggleView>(_st.itemToggle, action->isChecked(), updateCallback);
}
goodw += _st.itemPadding.right() + data.toggle->getSize().width() - _st.itemToggleShift;
} else {
data.toggle.reset();
}
width = snap(goodw, width, _st.widthMax);
data.text = (width < goodw) ? _st.itemFont->elided(actionText, width - (goodw - textw)) : actionText;
data.shortcut = actionShortcut;
}
return width;
}
void Menu::setShowSource(TriggeredSource source) {
_mouseSelection = (source == TriggeredSource::Mouse);
setSelected((source == TriggeredSource::Mouse || _actions.isEmpty()) ? -1 : 0);
}
Menu::Actions &Menu::actions() {
return _actions;
}
void Menu::setForceWidth(int forceWidth) {
_forceWidth = forceWidth;
resize(_forceWidth, height());
}
void Menu::actionChanged() {
auto newWidth = _st.widthMin;
for (auto i = 0, count = _actions.size(); i != count; ++i) {
newWidth = processAction(_actions[i], i, newWidth);
}
if (newWidth != width() && !_forceWidth) {
resize(newWidth, height());
if (_resizedCallback) {
_resizedCallback();
}
}
update();
}
void Menu::paintEvent(QPaintEvent *e) {
Painter p(this);
auto ms = getms();
auto clip = e->rect();
auto topskip = QRect(0, 0, width(), _st.skip);
auto bottomskip = QRect(0, height() - _st.skip, width(), _st.skip);
if (clip.intersects(topskip)) p.fillRect(clip.intersected(topskip), _st.itemBg);
if (clip.intersects(bottomskip)) p.fillRect(clip.intersected(bottomskip), _st.itemBg);
int top = _st.skip;
p.translate(0, top);
p.setFont(_st.itemFont);
for (int i = 0, count = _actions.size(); i != count; ++i) {
if (clip.top() + clip.height() <= top) break;
auto action = _actions[i];
auto &data = _actionsData[i];
auto actionHeight = action->isSeparator() ? _separatorHeight : _itemHeight;
top += actionHeight;
if (clip.top() < top) {
if (action->isSeparator()) {
p.fillRect(0, 0, width(), actionHeight, _st.itemBg);
p.fillRect(_st.separatorPadding.left(), _st.separatorPadding.top(), width() - _st.separatorPadding.left() - _st.separatorPadding.right(), _st.separatorWidth, _st.separatorFg);
} else {
auto enabled = action->isEnabled();
auto selected = ((i == _selected || i == _pressed) && enabled);
p.fillRect(0, 0, width(), actionHeight, selected ? _st.itemBgOver : _st.itemBg);
if (data.ripple) {
data.ripple->paint(p, 0, 0, width(), ms);
if (data.ripple->empty()) {
data.ripple.reset();
}
}
if (auto icon = (selected ? data.iconOver : data.icon)) {
icon->paint(p, _st.itemIconPosition, width());
}
p.setPen(selected ? _st.itemFgOver : (enabled ? _st.itemFg : _st.itemFgDisabled));
p.drawTextLeft(_st.itemPadding.left(), _st.itemPadding.top(), width(), data.text);
if (data.hasSubmenu) {
const auto left = width() - _st.itemPadding.right() - _st.arrow.width();
const auto top = (_itemHeight - _st.arrow.height()) / 2;
if (enabled) {
_st.arrow.paint(p, left, top, width());
} else {
_st.arrow.paint(
p,
left,
top,
width(),
_st.itemFgDisabled->c);
}
} else if (!data.shortcut.isEmpty()) {
p.setPen(selected ? _st.itemFgShortcutOver : (enabled ? _st.itemFgShortcut : _st.itemFgShortcutDisabled));
p.drawTextRight(_st.itemPadding.right(), _st.itemPadding.top(), width(), data.shortcut);
} else if (data.toggle) {
auto toggleSize = data.toggle->getSize();
data.toggle->paint(p, width() - _st.itemPadding.right() - toggleSize.width() + _st.itemToggleShift, (_itemHeight - toggleSize.height()) / 2, width(), ms);
}
}
}
p.translate(0, actionHeight);
}
}
void Menu::updateSelected(QPoint globalPosition) {
if (!_mouseSelection) return;
auto p = mapFromGlobal(globalPosition) - QPoint(0, _st.skip);
auto selected = -1, top = 0;
while (top <= p.y() && ++selected < _actions.size()) {
top += _actions[selected]->isSeparator() ? _separatorHeight : _itemHeight;
}
setSelected((selected >= 0 && selected < _actions.size() && _actions[selected]->isEnabled() && !_actions[selected]->isSeparator()) ? selected : -1);
}
void Menu::itemPressed(TriggeredSource source) {
if (source == TriggeredSource::Mouse && !_mouseSelection) {
return;
}
if (_selected >= 0 && _selected < _actions.size() && _actions[_selected]->isEnabled()) {
setPressed(_selected);
if (source == TriggeredSource::Mouse) {
if (!_actionsData[_pressed].ripple) {
auto mask = RippleAnimation::rectMask(QSize(width(), _itemHeight));
_actionsData[_pressed].ripple = std::make_unique<RippleAnimation>(_st.ripple, std::move(mask), [this, selected = _pressed] {
updateItem(selected);
});
}
_actionsData[_pressed].ripple->add(mapFromGlobal(QCursor::pos()) - QPoint(0, itemTop(_pressed)));
} else {
itemReleased(source);
}
}
}
void Menu::itemReleased(TriggeredSource source) {
if (_pressed >= 0 && _pressed < _actions.size()) {
auto pressed = _pressed;
setPressed(-1);
if (source == TriggeredSource::Mouse && _actionsData[pressed].ripple) {
_actionsData[pressed].ripple->lastStop();
}
if (pressed == _selected && _triggeredCallback) {
_triggeredCallback(_actions[_selected], itemTop(_selected), source);
}
}
}
void Menu::keyPressEvent(QKeyEvent *e) {
auto key = e->key();
if (!_keyPressDelegate || !_keyPressDelegate(key)) {
handleKeyPress(key);
}
}
void Menu::handleKeyPress(int key) {
if (key == Qt::Key_Enter || key == Qt::Key_Return) {
itemPressed(TriggeredSource::Keyboard);
return;
}
if (key == (rtl() ? Qt::Key_Left : Qt::Key_Right)) {
if (_selected >= 0 && _actionsData[_selected].hasSubmenu) {
itemPressed(TriggeredSource::Keyboard);
return;
} else if (_selected < 0 && !_actions.isEmpty()) {
_mouseSelection = false;
setSelected(0);
}
}
if ((key != Qt::Key_Up && key != Qt::Key_Down) || _actions.size() < 1) return;
auto delta = (key == Qt::Key_Down ? 1 : -1), start = _selected;
if (start < 0 || start >= _actions.size()) {
start = (delta > 0) ? (_actions.size() - 1) : 0;
}
auto newSelected = start;
do {
newSelected += delta;
if (newSelected < 0) {
newSelected += _actions.size();
} else if (newSelected >= _actions.size()) {
newSelected -= _actions.size();
}
} while (newSelected != start && (!_actions[newSelected]->isEnabled() || _actions[newSelected]->isSeparator()));
if (_actions[newSelected]->isEnabled() && !_actions[newSelected]->isSeparator()) {
_mouseSelection = false;
setSelected(newSelected);
}
}
void Menu::clearSelection() {
_mouseSelection = false;
setSelected(-1);
}
void Menu::clearMouseSelection() {
if (_mouseSelection && !_childShown) {
clearSelection();
}
}
void Menu::enterEventHook(QEvent *e) {
QPoint mouse = QCursor::pos();
if (!rect().marginsRemoved(QMargins(0, _st.skip, 0, _st.skip)).contains(mapFromGlobal(mouse))) {
clearMouseSelection();
}
return TWidget::enterEventHook(e);
}
void Menu::leaveEventHook(QEvent *e) {
clearMouseSelection();
return TWidget::leaveEventHook(e);
}
void Menu::setSelected(int selected) {
if (selected >= _actions.size()) {
selected = -1;
}
if (_selected != selected) {
updateSelectedItem();
if (_selected >= 0 && _selected != _pressed && _actionsData[_selected].toggle) {
_actionsData[_selected].toggle->setStyle(_st.itemToggle);
}
_selected = selected;
if (_selected >= 0 && _actionsData[_selected].toggle && _actions[_selected]->isEnabled()) {
_actionsData[_selected].toggle->setStyle(_st.itemToggleOver);
}
updateSelectedItem();
if (_activatedCallback) {
auto source = _mouseSelection ? TriggeredSource::Mouse : TriggeredSource::Keyboard;
_activatedCallback((_selected >= 0) ? _actions[_selected] : nullptr, itemTop(_selected), source);
}
}
}
void Menu::setPressed(int pressed) {
if (pressed >= _actions.size()) {
pressed = -1;
}
if (_pressed != pressed) {
if (_pressed >= 0 && _pressed != _selected && _actionsData[_pressed].toggle) {
_actionsData[_pressed].toggle->setStyle(_st.itemToggle);
}
_pressed = pressed;
if (_pressed >= 0 && _actionsData[_pressed].toggle && _actions[_pressed]->isEnabled()) {
_actionsData[_pressed].toggle->setStyle(_st.itemToggleOver);
}
}
}
int Menu::itemTop(int index) {
if (index > _actions.size()) {
index = _actions.size();
}
int top = _st.skip;
for (int i = 0; i < index; ++i) {
top += _actions.at(i)->isSeparator() ? _separatorHeight : _itemHeight;
}
return top;
}
void Menu::updateItem(int index) {
if (index >= 0 && index < _actions.size()) {
update(0, itemTop(index), width(), _actions[index]->isSeparator() ? _separatorHeight : _itemHeight);
}
}
void Menu::updateSelectedItem() {
updateItem(_selected);
}
void Menu::mouseMoveEvent(QMouseEvent *e) {
handleMouseMove(e->globalPos());
}
void Menu::handleMouseMove(QPoint globalPosition) {
auto inner = rect().marginsRemoved(QMargins(0, _st.skip, 0, _st.skip));
auto localPosition = mapFromGlobal(globalPosition);
if (inner.contains(localPosition)) {
_mouseSelection = true;
updateSelected(globalPosition);
} else {
clearMouseSelection();
if (_mouseMoveDelegate) {
_mouseMoveDelegate(globalPosition);
}
}
}
void Menu::mousePressEvent(QMouseEvent *e) {
handleMousePress(e->globalPos());
}
void Menu::mouseReleaseEvent(QMouseEvent *e) {
handleMouseRelease(e->globalPos());
}
void Menu::handleMousePress(QPoint globalPosition) {
handleMouseMove(globalPosition);
if (rect().contains(mapFromGlobal(globalPosition))) {
itemPressed(TriggeredSource::Mouse);
} else if (_mousePressDelegate) {
_mousePressDelegate(globalPosition);
}
}
void Menu::handleMouseRelease(QPoint globalPosition) {
handleMouseMove(globalPosition);
itemReleased(TriggeredSource::Mouse);
if (!rect().contains(mapFromGlobal(globalPosition)) && _mouseReleaseDelegate) {
_mouseReleaseDelegate(globalPosition);
}
}
} // namespace Ui