Add option to specify the scale factor

fixes #357
fixes #335
fixes #230

src/CommunitiesList.cpp

@@ -1,5 +1,5 @@
-#include "Cache.h"
 #include "CommunitiesList.h"
+#include "Cache.h"
 #include "Logging.h"
 #include "MatrixClient.h"
 

src/LoginPage.cpp

@@ -277,7 +277,8 @@ LoginPage::onLoginButtonClicked()
         http::client()->login(
           user.localpart(),
           password_input_->text().toStdString(),
-          deviceName_->text().isEmpty() ? initialDeviceName() : deviceName_->text().toStdString(),
+          deviceName_->text().trimmed().isEmpty() ? initialDeviceName()
+                                                  : deviceName_->text().toStdString(),
           [this](const mtx::responses::Login &res, mtx::http::RequestErr err) {
                   if (err) {
                           emit loginError(QString::fromStdString(err->matrix_error.error));

src/UserSettingsPage.cpp

@@ -25,6 +25,7 @@
 
 #include "Config.h"
 #include "UserSettingsPage.h"
+#include "Utils.h"
 #include "ui/FlatButton.h"
 #include "ui/ToggleButton.h"
 
@@ -187,6 +188,24 @@ UserSettingsPage::UserSettingsPage(QSharedPointer<UserSettings> settings, QWidge
         receiptsLayout->addWidget(receiptsLabel);
         receiptsLayout->addWidget(readReceipts_, 0, Qt::AlignBottom | Qt::AlignRight);
 
+        auto scaleFactorOptionLayout = new QHBoxLayout;
+        scaleFactorOptionLayout->setContentsMargins(0, OptionMargin, 0, OptionMargin);
+        auto scaleFactorLabel = new QLabel(tr("Scale factor (requires restart)"), this);
+        scaleFactorLabel->setFont(font);
+        scaleFactorCombo_ = new QComboBox(this);
+        scaleFactorCombo_->addItem("1");
+        scaleFactorCombo_->addItem("1.25");
+        scaleFactorCombo_->addItem("1.5");
+        scaleFactorCombo_->addItem("1.75");
+        scaleFactorCombo_->addItem("2");
+        scaleFactorCombo_->addItem("2.25");
+        scaleFactorCombo_->addItem("2.5");
+        scaleFactorCombo_->addItem("2.75");
+        scaleFactorCombo_->addItem("3");
+
+        scaleFactorOptionLayout->addWidget(scaleFactorLabel);
+        scaleFactorOptionLayout->addWidget(scaleFactorCombo_, 0, Qt::AlignBottom | Qt::AlignRight);
+
         auto themeOptionLayout_ = new QHBoxLayout;
         themeOptionLayout_->setContentsMargins(0, OptionMargin, 0, OptionMargin);
         auto themeLabel_ = new QLabel(tr("Theme"), this);
@@ -219,6 +238,15 @@ UserSettingsPage::UserSettingsPage(QSharedPointer<UserSettings> settings, QWidge
         mainLayout_->addLayout(typingLayout);
         mainLayout_->addLayout(receiptsLayout);
         mainLayout_->addWidget(new HorizontalLine(this));
+
+#if defined(Q_OS_MAC)
+        scaleFactorLabel->hide();
+        scaleFactorCombo_->hide();
+#else
+        mainLayout_->addLayout(scaleFactorOptionLayout);
+        mainLayout_->addWidget(new HorizontalLine(this));
+#endif
+
         mainLayout_->addLayout(themeOptionLayout_);
         mainLayout_->addWidget(new HorizontalLine(this));
 
@@ -241,6 +269,9 @@ UserSettingsPage::UserSettingsPage(QSharedPointer<UserSettings> settings, QWidge
         connect(themeCombo_,
                 static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
                 [this](const QString &text) { settings_->setTheme(text.toLower()); });
+        connect(scaleFactorCombo_,
+                static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::activated),
+                [this](const QString &factor) { utils::setScaleFactor(factor.toFloat()); });
 
         connect(trayToggle_, &Toggle::toggled, this, [this](bool isDisabled) {
                 settings_->setTray(!isDisabled);
@@ -282,6 +313,7 @@ void
 UserSettingsPage::showEvent(QShowEvent *)
 {
         restoreThemeCombo();
+        restoreScaleFactor();
 
         // FIXME: Toggle treats true as "off"
         trayToggle_->setState(!settings_->isTrayEnabled());
@@ -311,6 +343,33 @@ UserSettingsPage::paintEvent(QPaintEvent *)
         style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
 }
 
+void
+UserSettingsPage::restoreScaleFactor() const
+{
+        auto factor = utils::scaleFactor();
+
+        if (factor == 1)
+                scaleFactorCombo_->setCurrentIndex(0);
+        else if (factor == 1.25)
+                scaleFactorCombo_->setCurrentIndex(1);
+        else if (factor == 1.5)
+                scaleFactorCombo_->setCurrentIndex(2);
+        else if (factor == 1.75)
+                scaleFactorCombo_->setCurrentIndex(3);
+        else if (factor == 2)
+                scaleFactorCombo_->setCurrentIndex(4);
+        else if (factor == 2.25)
+                scaleFactorCombo_->setCurrentIndex(5);
+        else if (factor == 2.5)
+                scaleFactorCombo_->setCurrentIndex(6);
+        else if (factor == 2.75)
+                scaleFactorCombo_->setCurrentIndex(7);
+        else if (factor == 3)
+                scaleFactorCombo_->setCurrentIndex(7);
+        else
+                scaleFactorCombo_->setCurrentIndex(0);
+}
+
 void
 UserSettingsPage::restoreThemeCombo() const
 {

src/UserSettingsPage.h

@@ -126,6 +126,7 @@ signals:
 
 private:
         void restoreThemeCombo() const;
+        void restoreScaleFactor() const;
 
         // Layouts
         QVBoxLayout *topLayout_;
@@ -143,6 +144,7 @@ private:
         Toggle *readReceipts_;
 
         QComboBox *themeCombo_;
+        QComboBox *scaleFactorCombo_;
 
         int sideMargin_ = 0;
 };

src/Utils.cpp

@@ -15,6 +15,23 @@ utils::localUser()
         return settings.value("auth/user_id").toString();
 }
 
+void
+utils::setScaleFactor(float factor)
+{
+        if (factor < 1 || factor > 3)
+                return;
+
+        QSettings settings;
+        settings.setValue("settings/scale_factor", factor);
+}
+
+float
+utils::scaleFactor()
+{
+        QSettings settings("nheko", "nheko");
+        return settings.value("settings/scale_factor", -1).toFloat();
+}
+
 bool
 utils::respondsToKeyRequests(const std::string &roomId)
 {

src/Utils.h

@@ -18,6 +18,12 @@ using TimelineEvent = mtx::events::collections::TimelineEvents;
 QString
 localUser();
 
+float
+scaleFactor();
+
+void
+setScaleFactor(float factor);
+
 //! Whether or not we should respond to key requests for the given room.
 bool
 respondsToKeyRequests(const QString &roomId);

src/main.cpp

@@ -26,6 +26,7 @@
 #include <QLibraryInfo>
 #include <QPalette>
 #include <QPoint>
+#include <QProcessEnvironment>
 #include <QPushButton>
 #include <QSettings>
 #include <QStandardPaths>
@@ -36,6 +37,7 @@
 #include "MainWindow.h"
 #include "MatrixClient.h"
 #include "RunGuard.h"
+#include "Utils.h"
 #include "ui/RaisedButton.h"
 #include "version.h"
 
@@ -98,7 +100,6 @@ main(int argc, char *argv[])
                 QApplication a(argc, argv);
 
                 QFont font;
-                font.setPointSize(15);
                 font.setWeight(60);
 
                 QWidget widget;
@@ -117,7 +118,6 @@ main(int argc, char *argv[])
                 RaisedButton submitBtn("OK");
                 submitBtn.setBackgroundColor(pal.color(QPalette::Button));
                 submitBtn.setForegroundColor(pal.color(QPalette::ButtonText));
-                submitBtn.setMinimumSize(120, 35);
                 submitBtn.setFontSize(conf::btn::fontSize);
                 submitBtn.setCornerRadius(conf::btn::cornerRadius);
 
@@ -127,7 +127,7 @@ main(int argc, char *argv[])
                 layout.addWidget(&msg);
                 layout.addLayout(&btnLayout);
 
-                widget.setFixedSize(480, 180);
+                widget.setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
                 widget.move(screenCenter(widget.width(), widget.height()));
                 widget.show();
 
@@ -136,6 +136,15 @@ main(int argc, char *argv[])
                 return a.exec();
         }
 
+#if defined(Q_OS_LINUX) || defined(Q_OS_WIN)
+        if (qgetenv("QT_SCALE_FACTOR").size() == 0) {
+                float factor = utils::scaleFactor();
+
+                if (factor != -1)
+                        qputenv("QT_SCALE_FACTOR", QString::number(factor).toUtf8());
+        }
+#endif
+
         QApplication app(argc, argv);
         QCoreApplication::setApplicationName("nheko");
         QCoreApplication::setApplicationVersion(nheko::version);