Allow arbitrary resizing of the main window & restore sidebar's size

fixes #160
fixes #163
fixes #187
fixes #127

3 files changed, 43 insertions, 2 deletions

diff --git a/src/ChatPage.cc b/src/ChatPage.cc

index 2b8a6b89..3d026ab3 100644
--- a/src/ChatPage.cc
+++ b/src/ChatPage.cc
@@ -118,7 +118,7 @@ ChatPage::ChatPage(QSharedPointer<UserSettings> userSettings, QWidget *parent)
         // Splitter
         splitter->addWidget(sideBar_);
         splitter->addWidget(content_);
-        splitter->setSizes({ui::sidebar::NormalSize, parent->width() - ui::sidebar::NormalSize});
+        splitter->restoreSizes(parent->width());
 
         text_input_    = new TextInputWidget(this);
         typingDisplay_ = new TypingDisplay(this);
diff --git a/src/MainWindow.cc b/src/MainWindow.cc

index c7c3432f..7733a002 100644
--- a/src/MainWindow.cc
+++ b/src/MainWindow.cc
@@ -234,9 +234,12 @@ MainWindow::showChatPage()
 
         showOverlayProgressBar();
 
-        welcome_page_->hide();
         pageStack_->setCurrentWidget(chat_page_);
 
+        pageStack_->removeWidget(welcome_page_);
+        pageStack_->removeWidget(login_page_);
+        pageStack_->removeWidget(register_page_);
+
         login_page_->reset();
         chat_page_->bootstrap(userid, homeserver, token);
 
diff --git a/src/Splitter.cc b/src/Splitter.cc

index ccc250be..0344df92 100644
--- a/src/Splitter.cc
+++ b/src/Splitter.cc
@@ -16,6 +16,7 @@
  */
 
 #include <QDebug>
+#include <QSettings>
 
 #include "Splitter.h"
 #include "Theme.h"
@@ -29,6 +30,43 @@ Splitter::Splitter(QWidget *parent)
 }
 
 void
+Splitter::restoreSizes(int fallback)
+{
+        QSettings settings;
+        int savedWidth = settings.value("sidebar/width").toInt();
+
+        auto left = widget(0);
+        if (savedWidth == ui::sidebar::SmallSize) {
+                if (left) {
+                        left->setMinimumWidth(ui::sidebar::SmallSize);
+                        left->setMaximumWidth(ui::sidebar::SmallSize);
+                        return;
+                }
+        }
+
+        if (savedWidth >= ui::sidebar::NormalSize && savedWidth <= 2 * ui::sidebar::NormalSize) {
+                if (left) {
+                        left->setMinimumWidth(ui::sidebar::NormalSize);
+                        left->setMaximumWidth(2 * ui::sidebar::NormalSize);
+                        setSizes({savedWidth, fallback - savedWidth});
+                        return;
+                }
+        }
+
+        setSizes({ui::sidebar::NormalSize, fallback - ui::sidebar::NormalSize});
+}
+
+Splitter::~Splitter()
+{
+        auto left = widget(0);
+
+        if (left) {
+                QSettings settings;
+                settings.setValue("sidebar/width", left->width());
+        }
+}
+
+void
 Splitter::onSplitterMoved(int pos, int index)
 {
         Q_UNUSED(pos);