Fix Qt5.15 issues

fixes #214

src/LoginPage.cpp

@@ -133,7 +133,7 @@ LoginPage::LoginPage(QWidget *parent)
 
         form_layout_->addLayout(matrixidLayout_);
         form_layout_->addWidget(password_input_);
-        form_layout_->addWidget(deviceName_, Qt::AlignHCenter, nullptr);
+        form_layout_->addWidget(deviceName_, Qt::AlignHCenter);
         form_layout_->addLayout(serverLayout_);
 
         button_layout_ = new QHBoxLayout();

src/RegisterPage.cpp

@@ -107,10 +107,10 @@ RegisterPage::RegisterPage(QWidget *parent)
           tr("A server that allows registration. Since matrix is decentralized, you need to first "
              "find a server you can register on or host your own."));
 
-        form_layout_->addWidget(username_input_, Qt::AlignHCenter, nullptr);
-        form_layout_->addWidget(password_input_, Qt::AlignHCenter, nullptr);
-        form_layout_->addWidget(password_confirmation_, Qt::AlignHCenter, nullptr);
-        form_layout_->addWidget(server_input_, Qt::AlignHCenter, nullptr);
+        form_layout_->addWidget(username_input_, Qt::AlignHCenter);
+        form_layout_->addWidget(password_input_, Qt::AlignHCenter);
+        form_layout_->addWidget(password_confirmation_, Qt::AlignHCenter);
+        form_layout_->addWidget(server_input_, Qt::AlignHCenter);
 
         button_layout_ = new QHBoxLayout();
         button_layout_->setSpacing(0);

src/UserSettingsPage.cpp

@@ -612,22 +612,22 @@ UserSettingsPage::UserSettingsPage(QSharedPointer<UserSettings> settings, QWidge
         topLayout_->addWidget(versionInfo);
 
         connect(themeCombo_,
-                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
+                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
                 [this](const QString &text) {
                         settings_->setTheme(text.toLower());
                         emit themeChanged();
                 });
         connect(scaleFactorCombo_,
-                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
+                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
                 [](const QString &factor) { utils::setScaleFactor(factor.toFloat()); });
         connect(fontSizeCombo_,
-                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
+                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
                 [this](const QString &size) { settings_->setFontSize(size.trimmed().toDouble()); });
         connect(fontSelectionCombo_,
-                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
+                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
                 [this](const QString &family) { settings_->setFontFamily(family.trimmed()); });
         connect(emojiFontSelectionCombo_,
-                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
+                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
                 [this](const QString &family) { settings_->setEmojiFontFamily(family.trimmed()); });
         connect(trayToggle_, &Toggle::toggled, this, [this](bool disabled) {
                 settings_->setTray(!disabled);

src/Utils.cpp

@@ -142,13 +142,13 @@ utils::descriptiveTime(const QDateTime &then)
         const auto days = then.daysTo(now);
 
         if (days == 0)
-                return then.time().toString(Qt::DefaultLocaleShortDate);
+                return QLocale::system().toString(then.time(), QLocale::ShortFormat);
         else if (days < 2)
                 return QString(QCoreApplication::translate("descriptiveTime", "Yesterday"));
         else if (days < 7)
                 return then.toString("dddd");
 
-        return then.date().toString(Qt::DefaultLocaleShortDate);
+        return QLocale::system().toString(then.date(), QLocale::ShortFormat);
 }
 
 DescInfo

src/dialogs/CreateRoom.cpp

@@ -112,7 +112,7 @@ CreateRoom::CreateRoom(QWidget *parent)
         });
 
         connect(visibilityCombo_,
-                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
+                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
                 [this](const QString &text) {
                         if (text == "Private") {
                                 request_.visibility = mtx::requests::Visibility::Private;
@@ -122,7 +122,7 @@ CreateRoom::CreateRoom(QWidget *parent)
                 });
 
         connect(presetCombo_,
-                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
+                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
                 [this](const QString &text) {
                         if (text == "Private Chat") {
                                 request_.preset = mtx::requests::Preset::PrivateChat;

src/dialogs/ReadReceipts.cpp

@@ -75,15 +75,17 @@ ReceiptItem::dateFormat(const QDateTime &then) const
         auto days = then.daysTo(now);
 
         if (days == 0)
-                return tr("Today %1").arg(then.time().toString(Qt::DefaultLocaleShortDate));
+                return tr("Today %1")
+                  .arg(QLocale::system().toString(then.time(), QLocale::ShortFormat));
         else if (days < 2)
-                return tr("Yesterday %1").arg(then.time().toString(Qt::DefaultLocaleShortDate));
+                return tr("Yesterday %1")
+                  .arg(QLocale::system().toString(then.time(), QLocale::ShortFormat));
         else if (days < 7)
                 return QString("%1 %2")
                   .arg(then.toString("dddd"))
-                  .arg(then.time().toString(Qt::DefaultLocaleShortDate));
+                  .arg(QLocale::system().toString(then.time(), QLocale::ShortFormat));
 
-        return then.toString(Qt::DefaultLocaleShortDate);
+        return QLocale::system().toString(then.time(), QLocale::ShortFormat);
 }
 
 ReadReceipts::ReadReceipts(QWidget *parent)

src/ui/Avatar.cpp

@@ -1,4 +1,5 @@
 #include <QPainter>
+#include <QPainterPath>
 #include <QSettings>
 
 #include "AvatarProvider.h"

src/ui/InfoMessage.cpp

@@ -4,6 +4,7 @@
 #include <QDateTime>
 #include <QLocale>
 #include <QPainter>
+#include <QPainterPath>
 #include <QPen>
 #include <QtGlobal>
 

src/ui/Painter.h

@@ -3,6 +3,7 @@
 #include <QFontMetrics>
 #include <QPaintDevice>
 #include <QPainter>
+#include <QPainterPath>
 #include <QtGlobal>
 
 class Painter : public QPainter
@@ -163,5 +164,5 @@ public:
 
 private:
         Painter &_painter;
-        QPainter::RenderHints hints_ = 0;
+        QPainter::RenderHints hints_ = {};
 };