mirror-chatterino2/src/widgets/BaseWindow.cpp
2018-07-06 19:24:35 +02:00

768 lines
21 KiB
C++

#include "BaseWindow.hpp"
#include "Application.hpp"
#include "boost/algorithm/algorithm.hpp"
#include "debug/Log.hpp"
#include "singletons/Settings.hpp"
#include "singletons/WindowManager.hpp"
#include "util/PostToThread.hpp"
#include "util/WindowsHelper.hpp"
#include "widgets/Label.hpp"
#include "widgets/TooltipWidget.hpp"
#include "widgets/helper/RippleEffectLabel.hpp"
#include "widgets/helper/Shortcut.hpp"
#include <QApplication>
#include <QDebug>
#include <QDesktopWidget>
#include <QIcon>
#include <functional>
#ifdef USEWINSDK
#include <ObjIdl.h>
#include <VersionHelpers.h>
#include <Windows.h>
#include <dwmapi.h>
#include <gdiplus.h>
#include <windowsx.h>
//#include <ShellScalingApi.h>
#pragma comment(lib, "Dwmapi.lib")
#include <QHBoxLayout>
#include <QVBoxLayout>
#define WM_DPICHANGED 0x02E0
#endif
#include "widgets/helper/TitlebarButton.hpp"
namespace chatterino {
BaseWindow::BaseWindow(QWidget *parent, Flags _flags)
: BaseWidget(parent,
Qt::Window | ((_flags & TopMost) ? Qt::WindowStaysOnTopHint : Qt::WindowFlags()))
, enableCustomFrame_(_flags & EnableCustomFrame)
, frameless_(_flags & Frameless)
, flags_(_flags)
{
if (this->frameless_) {
this->enableCustomFrame_ = false;
this->setWindowFlag(Qt::FramelessWindowHint);
}
this->init();
this->connections_.managedConnect(
getApp()->settings->uiScale.getValueChangedSignal(),
[this](auto, auto) { postToThread([this] { this->updateScale(); }); });
this->updateScale();
createWindowShortcut(this, "CTRL+0", [] { getApp()->settings->uiScale.setValue(0); });
// QTimer::this->scaleChangedEvent(this->getScale());
}
float BaseWindow::getScale() const
{
return this->getOverrideScale().value_or(this->scale_);
}
BaseWindow::Flags BaseWindow::getFlags()
{
return this->flags_;
}
void BaseWindow::init()
{
this->setWindowIcon(QIcon(":/images/icon.png"));
#ifdef USEWINSDK
if (this->hasCustomWindowFrame()) {
// CUSTOM WINDOW FRAME
QVBoxLayout *layout = new QVBoxLayout();
this->ui_.windowLayout = layout;
layout->setContentsMargins(0, 1, 0, 0);
layout->setSpacing(0);
this->setLayout(layout);
{
if (!this->frameless_) {
QHBoxLayout *buttonLayout = this->ui_.titlebarBox = new QHBoxLayout();
buttonLayout->setMargin(0);
layout->addLayout(buttonLayout);
// title
Label *title = new Label("Chatterino");
QObject::connect(this, &QWidget::windowTitleChanged,
[title](const QString &text) { title->setText(text); });
QSizePolicy policy(QSizePolicy::Ignored, QSizePolicy::Preferred);
policy.setHorizontalStretch(1);
// title->setBaseSize(0, 0);
// title->setScaledContents(true);
title->setSizePolicy(policy);
buttonLayout->addWidget(title);
this->ui_.titleLabel = title;
// buttons
TitleBarButton *_minButton = new TitleBarButton;
_minButton->setButtonStyle(TitleBarButton::Minimize);
TitleBarButton *_maxButton = new TitleBarButton;
_maxButton->setButtonStyle(TitleBarButton::Maximize);
TitleBarButton *_exitButton = new TitleBarButton;
_exitButton->setButtonStyle(TitleBarButton::Close);
QObject::connect(_minButton, &TitleBarButton::clicked, this, [this] {
this->setWindowState(Qt::WindowMinimized | this->windowState());
});
QObject::connect(_maxButton, &TitleBarButton::clicked, this, [this] {
this->setWindowState(this->windowState() == Qt::WindowMaximized
? Qt::WindowActive
: Qt::WindowMaximized);
});
QObject::connect(_exitButton, &TitleBarButton::clicked, this,
[this] { this->close(); });
this->ui_.minButton = _minButton;
this->ui_.maxButton = _maxButton;
this->ui_.exitButton = _exitButton;
this->ui_.buttons.push_back(_minButton);
this->ui_.buttons.push_back(_maxButton);
this->ui_.buttons.push_back(_exitButton);
// buttonLayout->addStretch(1);
buttonLayout->addWidget(_minButton);
buttonLayout->addWidget(_maxButton);
buttonLayout->addWidget(_exitButton);
buttonLayout->setSpacing(0);
}
}
this->ui_.layoutBase = new BaseWidget(this);
layout->addWidget(this->ui_.layoutBase);
}
// DPI
// auto dpi = getWindowDpi(this->winId());
// if (dpi) {
// this->scale = dpi.value() / 96.f;
// }
#endif
#ifdef USEWINSDK
// fourtf: don't ask me why we need to delay this
if (!(this->flags_ & Flags::TopMost)) {
QTimer::singleShot(1, this, [this] {
getApp()->settings->windowTopMost.connect(
[this](bool topMost, auto) {
::SetWindowPos(HWND(this->winId()), topMost ? HWND_TOPMOST : HWND_NOTOPMOST, 0,
0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
},
this->managedConnections_);
});
}
#else
// if (getApp()->settings->windowTopMost.getValue()) {
// this->setWindowFlag(Qt::WindowStaysOnTopHint);
// }
#endif
}
void BaseWindow::setStayInScreenRect(bool value)
{
this->stayInScreenRect_ = value;
this->moveIntoDesktopRect(this);
}
bool BaseWindow::getStayInScreenRect() const
{
return this->stayInScreenRect_;
}
void BaseWindow::setActionOnFocusLoss(ActionOnFocusLoss value)
{
this->actionOnFocusLoss_ = value;
}
BaseWindow::ActionOnFocusLoss BaseWindow::getActionOnFocusLoss() const
{
return this->actionOnFocusLoss_;
}
QWidget *BaseWindow::getLayoutContainer()
{
if (this->hasCustomWindowFrame()) {
return this->ui_.layoutBase;
} else {
return this;
}
}
bool BaseWindow::hasCustomWindowFrame()
{
#ifdef USEWINSDK
static bool isWin8 = IsWindows8OrGreater();
return isWin8 && this->enableCustomFrame_;
#else
return false;
#endif
}
void BaseWindow::themeChangedEvent()
{
if (this->hasCustomWindowFrame()) {
QPalette palette;
palette.setColor(QPalette::Background, QColor(0, 0, 0, 0));
palette.setColor(QPalette::Foreground, this->theme->window.text);
this->setPalette(palette);
if (this->ui_.titleLabel) {
QPalette palette_title;
palette_title.setColor(QPalette::Foreground,
this->theme->isLightTheme() ? "#333" : "#ccc");
this->ui_.titleLabel->setPalette(palette_title);
}
for (RippleEffectButton *button : this->ui_.buttons) {
button->setMouseEffectColor(this->theme->window.text);
}
} else {
QPalette palette;
palette.setColor(QPalette::Background, this->theme->window.background);
palette.setColor(QPalette::Foreground, this->theme->window.text);
this->setPalette(palette);
}
}
bool BaseWindow::event(QEvent *event)
{
if (event->type() == QEvent::WindowDeactivate /*|| event->type() == QEvent::FocusOut*/) {
this->onFocusLost();
}
return QWidget::event(event);
}
void BaseWindow::wheelEvent(QWheelEvent *event)
{
if (event->orientation() != Qt::Vertical) {
return;
}
if (event->modifiers() & Qt::ControlModifier) {
if (event->delta() > 0) {
getApp()->settings->uiScale.setValue(
WindowManager::clampUiScale(getApp()->settings->uiScale.getValue() + 1));
} else {
getApp()->settings->uiScale.setValue(
WindowManager::clampUiScale(getApp()->settings->uiScale.getValue() - 1));
}
}
}
void BaseWindow::onFocusLost()
{
switch (this->getActionOnFocusLoss()) {
case Delete: {
this->deleteLater();
} break;
case Close: {
this->close();
} break;
case Hide: {
this->hide();
} break;
default:;
}
}
void BaseWindow::mousePressEvent(QMouseEvent *event)
{
#ifndef Q_OS_WIN
if (this->flags_ & FramelessDraggable) {
this->movingRelativePos = event->localPos();
if (auto widget = this->childAt(event->localPos().x(), event->localPos().y())) {
std::function<bool(QWidget *)> recursiveCheckMouseTracking;
recursiveCheckMouseTracking = [&](QWidget *widget) {
if (widget == nullptr) {
return false;
}
if (widget->hasMouseTracking()) {
return true;
}
return recursiveCheckMouseTracking(widget->parentWidget());
};
if (!recursiveCheckMouseTracking(widget)) {
Log("Start moving");
this->moving = true;
}
}
}
#endif
BaseWidget::mousePressEvent(event);
}
void BaseWindow::mouseReleaseEvent(QMouseEvent *event)
{
#ifndef Q_OS_WIN
if (this->flags_ & FramelessDraggable) {
if (this->moving) {
Log("Stop moving");
this->moving = false;
}
}
#endif
BaseWidget::mouseReleaseEvent(event);
}
void BaseWindow::mouseMoveEvent(QMouseEvent *event)
{
#ifndef Q_OS_WIN
if (this->flags_ & FramelessDraggable) {
if (this->moving) {
const auto &newPos = event->screenPos() - this->movingRelativePos;
this->move(newPos.x(), newPos.y());
}
}
#endif
BaseWidget::mouseMoveEvent(event);
}
TitleBarButton *BaseWindow::addTitleBarButton(const TitleBarButton::Style &style,
std::function<void()> onClicked)
{
TitleBarButton *button = new TitleBarButton;
button->setScaleIndependantSize(30, 30);
this->ui_.buttons.push_back(button);
this->ui_.titlebarBox->insertWidget(1, button);
button->setButtonStyle(style);
QObject::connect(button, &TitleBarButton::clicked, this, [onClicked] { onClicked(); });
return button;
}
RippleEffectLabel *BaseWindow::addTitleBarLabel(std::function<void()> onClicked)
{
RippleEffectLabel *button = new RippleEffectLabel;
button->setScaleIndependantHeight(30);
this->ui_.buttons.push_back(button);
this->ui_.titlebarBox->insertWidget(1, button);
QObject::connect(button, &RippleEffectLabel::clicked, this, [onClicked] { onClicked(); });
return button;
}
void BaseWindow::changeEvent(QEvent *)
{
TooltipWidget::getInstance()->hide();
#ifdef USEWINSDK
if (this->ui_.maxButton) {
this->ui_.maxButton->setButtonStyle(this->windowState() & Qt::WindowMaximized
? TitleBarButton::Unmaximize
: TitleBarButton::Maximize);
}
#endif
#ifndef Q_OS_WIN
this->update();
#endif
}
void BaseWindow::leaveEvent(QEvent *)
{
TooltipWidget::getInstance()->hide();
}
void BaseWindow::moveTo(QWidget *parent, QPoint point, bool offset)
{
if (offset) {
point.rx() += 16;
point.ry() += 16;
}
this->move(point);
this->moveIntoDesktopRect(parent);
}
void BaseWindow::resizeEvent(QResizeEvent *)
{
this->moveIntoDesktopRect(this);
this->calcButtonsSizes();
}
void BaseWindow::closeEvent(QCloseEvent *)
{
this->closing.invoke();
}
void BaseWindow::moveIntoDesktopRect(QWidget *parent)
{
if (!this->stayInScreenRect_)
return;
// move the widget into the screen geometry if it's not already in there
QDesktopWidget *desktop = QApplication::desktop();
QRect s = desktop->availableGeometry(parent);
QPoint p = this->pos();
if (p.x() < s.left()) {
p.setX(s.left());
}
if (p.y() < s.top()) {
p.setY(s.top());
}
if (p.x() + this->width() > s.right()) {
p.setX(s.right() - this->width());
}
if (p.y() + this->height() > s.bottom()) {
p.setY(s.bottom() - this->height());
}
if (p != this->pos())
this->move(p);
}
bool BaseWindow::nativeEvent(const QByteArray &eventType, void *message, long *result)
{
#ifdef USEWINSDK
MSG *msg = reinterpret_cast<MSG *>(message);
bool returnValue = false;
switch (msg->message) {
case WM_DPICHANGED:
returnValue = handleDPICHANGED(msg);
break;
case WM_SHOWWINDOW:
returnValue = this->handleSHOWWINDOW(msg);
break;
case WM_NCCALCSIZE:
returnValue = this->handleNCCALCSIZE(msg, result);
break;
case WM_SIZE:
returnValue = this->handleSIZE(msg);
break;
case WM_NCHITTEST:
returnValue = this->handleNCHITTEST(msg, result);
break;
default:
return QWidget::nativeEvent(eventType, message, result);
}
QWidget::nativeEvent(eventType, message, result);
return returnValue;
#else
return QWidget::nativeEvent(eventType, message, result);
#endif
}
void BaseWindow::scaleChangedEvent(float)
{
#ifdef USEWINSDK
this->calcButtonsSizes();
#endif
}
void BaseWindow::paintEvent(QPaintEvent *)
{
QPainter painter(this);
if (this->frameless_) {
painter.setPen(QColor("#999"));
painter.drawRect(0, 0, this->width() - 1, this->height() - 1);
}
this->drawCustomWindowFrame(painter);
}
void BaseWindow::updateScale()
{
auto scale = this->nativeScale_ *
(this->flags_ & DisableCustomScaling ? 1 : getApp()->windows->getUiScaleValue());
this->setScale(scale);
for (auto child : this->findChildren<BaseWidget *>()) {
child->setScale(scale);
}
}
void BaseWindow::calcButtonsSizes()
{
if (!this->shown_) {
return;
}
if ((this->width() / this->getScale()) < 300) {
if (this->ui_.minButton)
this->ui_.minButton->setScaleIndependantSize(30, 30);
if (this->ui_.maxButton)
this->ui_.maxButton->setScaleIndependantSize(30, 30);
if (this->ui_.exitButton)
this->ui_.exitButton->setScaleIndependantSize(30, 30);
} else {
if (this->ui_.minButton)
this->ui_.minButton->setScaleIndependantSize(46, 30);
if (this->ui_.maxButton)
this->ui_.maxButton->setScaleIndependantSize(46, 30);
if (this->ui_.exitButton)
this->ui_.exitButton->setScaleIndependantSize(46, 30);
}
}
void BaseWindow::drawCustomWindowFrame(QPainter &painter)
{
#ifdef USEWINSDK
if (this->hasCustomWindowFrame()) {
QPainter painter(this);
QColor bg = this->overrideBackgroundColor_.value_or(this->theme->window.background);
painter.fillRect(QRect(0, 1, this->width() - 0, this->height() - 0), bg);
}
#endif
}
bool BaseWindow::handleDPICHANGED(MSG *msg)
{
#ifdef USEWINSDK
int dpi = HIWORD(msg->wParam);
float _scale = dpi / 96.f;
static bool firstResize = true;
if (!firstResize) {
auto *prcNewWindow = reinterpret_cast<RECT *>(msg->lParam);
SetWindowPos(msg->hwnd, nullptr, prcNewWindow->left, prcNewWindow->top,
prcNewWindow->right - prcNewWindow->left,
prcNewWindow->bottom - prcNewWindow->top, SWP_NOZORDER | SWP_NOACTIVATE);
}
firstResize = false;
this->nativeScale_ = _scale;
this->updateScale();
return true;
#else
return false;
#endif
}
bool BaseWindow::handleSHOWWINDOW(MSG *msg)
{
#ifdef USEWINSDK
if (auto dpi = getWindowDpi(msg->hwnd)) {
this->nativeScale_ = dpi.get() / 96.f;
this->updateScale();
}
if (!this->shown_ && this->isVisible() && this->hasCustomWindowFrame()) {
this->shown_ = true;
const MARGINS shadow = {8, 8, 8, 8};
DwmExtendFrameIntoClientArea(HWND(this->winId()), &shadow);
}
this->calcButtonsSizes();
return true;
#else
return false;
#endif
}
bool BaseWindow::handleNCCALCSIZE(MSG *msg, long *result)
{
#ifdef USEWINSDK
if (this->hasCustomWindowFrame()) {
// int cx = GetSystemMetrics(SM_CXSIZEFRAME);
// int cy = GetSystemMetrics(SM_CYSIZEFRAME);
if (msg->wParam == TRUE) {
NCCALCSIZE_PARAMS *ncp = (reinterpret_cast<NCCALCSIZE_PARAMS *>(msg->lParam));
ncp->lppos->flags |= SWP_NOREDRAW;
RECT *clientRect = &ncp->rgrc[0];
clientRect->left += 1;
clientRect->top += 0;
clientRect->right -= 1;
clientRect->bottom -= 1;
}
*result = 0;
return true;
}
return false;
#else
return false;
#endif
}
bool BaseWindow::handleSIZE(MSG *msg)
{
#ifdef USEWINSDK
if (this->ui_.windowLayout) {
if (this->frameless_) {
//
} else if (this->hasCustomWindowFrame()) {
if (msg->wParam == SIZE_MAXIMIZED) {
auto offset = int(this->getScale() * 8);
this->ui_.windowLayout->setContentsMargins(offset, offset, offset, offset);
} else {
this->ui_.windowLayout->setContentsMargins(0, 1, 0, 0);
}
}
}
return false;
#else
return false;
#endif
}
bool BaseWindow::handleNCHITTEST(MSG *msg, long *result)
{
#ifdef USEWINSDK
const LONG border_width = 8; // in pixels
RECT winrect;
GetWindowRect(HWND(winId()), &winrect);
long x = GET_X_LPARAM(msg->lParam);
long y = GET_Y_LPARAM(msg->lParam);
QPoint point(x - winrect.left, y - winrect.top);
if (this->hasCustomWindowFrame()) {
*result = 0;
bool resizeWidth = minimumWidth() != maximumWidth();
bool resizeHeight = minimumHeight() != maximumHeight();
if (resizeWidth) {
// left border
if (x < winrect.left + border_width) {
*result = HTLEFT;
}
// right border
if (x >= winrect.right - border_width) {
*result = HTRIGHT;
}
}
if (resizeHeight) {
// bottom border
if (y >= winrect.bottom - border_width) {
*result = HTBOTTOM;
}
// top border
if (y < winrect.top + border_width) {
*result = HTTOP;
}
}
if (resizeWidth && resizeHeight) {
// bottom left corner
if (x >= winrect.left && x < winrect.left + border_width && y < winrect.bottom &&
y >= winrect.bottom - border_width) {
*result = HTBOTTOMLEFT;
}
// bottom right corner
if (x < winrect.right && x >= winrect.right - border_width && y < winrect.bottom &&
y >= winrect.bottom - border_width) {
*result = HTBOTTOMRIGHT;
}
// top left corner
if (x >= winrect.left && x < winrect.left + border_width && y >= winrect.top &&
y < winrect.top + border_width) {
*result = HTTOPLEFT;
}
// top right corner
if (x < winrect.right && x >= winrect.right - border_width && y >= winrect.top &&
y < winrect.top + border_width) {
*result = HTTOPRIGHT;
}
}
if (*result == 0) {
bool client = false;
for (QWidget *widget : this->ui_.buttons) {
if (widget->geometry().contains(point)) {
client = true;
}
}
if (this->ui_.layoutBase->geometry().contains(point)) {
client = true;
}
if (client) {
*result = HTCLIENT;
} else {
*result = HTCAPTION;
}
}
return true;
} else if (this->flags_ & FramelessDraggable) {
*result = 0;
bool client = false;
if (auto widget = this->childAt(point)) {
std::function<bool(QWidget *)> recursiveCheckMouseTracking;
recursiveCheckMouseTracking = [&](QWidget *widget) {
if (widget == nullptr) {
return false;
}
if (widget->hasMouseTracking()) {
return true;
}
return recursiveCheckMouseTracking(widget->parentWidget());
};
if (recursiveCheckMouseTracking(widget)) {
client = true;
}
}
if (client) {
*result = HTCLIENT;
} else {
*result = HTCAPTION;
}
return true;
}
#else
return false;
#endif
}
} // namespace chatterino