fixes #332, #334 and other visual glitches

mainwindow.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>714</width>
-    <height>541</height>
+    <width>712</width>
+    <height>539</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -2083,8 +2083,8 @@ QSplitter:handle{
             <rect>
              <x>0</x>
              <y>0</y>
-             <width>262</width>
-             <height>375</height>
+             <width>261</width>
+             <height>373</height>
             </rect>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_5"/>
@@ -2587,7 +2587,7 @@ QSplitter:handle{
              </property>
              <property name="icon">
               <iconset resource="res.qrc">
-               <normaloff>:/img/group.png</normaloff>:/img/group.png</iconset>
+               <normaloff>:/img/group_2x.png</normaloff>:/img/group_2x.png</iconset>
              </property>
              <property name="flat">
               <bool>true</bool>
@@ -3218,7 +3218,7 @@ QSplitter:handle{
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>714</width>
+     <width>712</width>
      <height>25</height>
     </rect>
    </property>

res.qrc

@@ -143,5 +143,6 @@
         <file>translations/fi.qm</file>
         <file>translations/mannol.qm</file>
         <file>img/avatar_mask.png</file>
+        <file>img/group_2x.png</file>
     </qresource>
 </RCC>

ui/friendList/friendList.css

@@ -3,18 +3,16 @@ QScrollArea {
 }
 
 QScrollBar:vertical  {
-    background: transparent;
-    width: 14px;
-    margin-top: 2px;
-    margin-bottom: 2px;
+    background: rgb(65,65,65);
+    width: 16px;
+    padding: 0px 3px 0px 3px; 
 }
 
 QScrollBar:handle:vertical  {
     background: rgba(18, 18, 18, 204);
     min-height: 20px;
-    border-radius: 3px;
-    margin-left: 3px;
-    margin-right: 1px;
+    border-radius: 5px;
+    margin: 3px 0px 3px 0px;
 }
 
 QScrollBar:handle:vertical:hover  {

widget/adjustingscrollarea.cpp

@@ -21,14 +21,19 @@
 #include <QScrollBar>
 #include <QDebug>
 
-AdjustingScrollArea::AdjustingScrollArea(QWidget *parent) :
-    QScrollArea(parent)
+AdjustingScrollArea::AdjustingScrollArea(QWidget *parent)
+    : QScrollArea(parent)
 {
 
 }
 
 void AdjustingScrollArea::resizeEvent(QResizeEvent *ev)
 {
+    int scrollBarWidth = verticalScrollBar()->isVisible() ? verticalScrollBar()->sizeHint().width() : 0;
+
+    if (layoutDirection() == Qt::RightToLeft)
+        setViewportMargins(-scrollBarWidth, 0, 0, 0);
+
     updateGeometry();
     QScrollArea::resizeEvent(ev);
 }
@@ -43,3 +48,16 @@ QSize AdjustingScrollArea::sizeHint() const
 
     return QScrollArea::sizeHint();
 }
+
+bool AdjustingScrollArea::eventFilter(QObject *obj, QEvent *ev)
+{
+    if (ev->type() == QEvent::Paint)
+    {
+        // workaround: sometimes a child widget gets drawn on top of the scrollbar
+        // so we trigger a repaint afterwards
+        verticalScrollBar()->update();
+        horizontalScrollBar()->update();
+    }
+
+    return QObject::eventFilter(obj, ev);
+}

widget/adjustingscrollarea.h

@@ -25,12 +25,9 @@ class AdjustingScrollArea : public QScrollArea
 public:
     explicit AdjustingScrollArea(QWidget *parent = 0);
 
-    virtual void resizeEvent(QResizeEvent *ev);
+    virtual void resizeEvent(QResizeEvent *ev) override;
     virtual QSize sizeHint() const override;
-signals:
-
-public slots:
-
+    virtual bool eventFilter(QObject *obj, QEvent *ev) override;
 };
 
 #endif // ADJUSTINGSCROLLAREA_H

widget/groupwidget.cpp

@@ -19,6 +19,7 @@
 #include "group.h"
 #include "settings.h"
 #include "widget/form/groupchatform.h"
+#include "widget/maskablepixmapwidget.h"
 #include <QPalette>
 #include <QMenu>
 #include <QContextMenuEvent>
@@ -38,7 +39,8 @@ GroupWidget::GroupWidget(int GroupId, QString Name)
     textLayout.setMargin(0);
     setLayoutDirection(Qt::LeftToRight); // parent might have set Qt::RightToLeft
 
-    avatar.setPixmap(QPixmap(":img/group.png"));
+    avatar = new MaskablePixmapWidget(this, QSize(40,40), QString(), Qt::transparent);
+    avatar->setPixmap(QPixmap(":img/group.png"));
     statusPic.setPixmap(QPixmap(":img/status/dot_online.png"));
     name.setText(Name);
     QFont small;
@@ -65,7 +67,7 @@ GroupWidget::GroupWidget(int GroupId, QString Name)
     textLayout.addStretch();
 
     layout.addSpacing(20);
-    layout.addWidget(&avatar);
+    layout.addWidget(avatar);
     layout.addSpacing(5);
     layout.addLayout(&textLayout);
     layout.addStretch();
@@ -118,7 +120,7 @@ void GroupWidget::setAsActiveChatroom()
     QPalette pal3;
     pal3.setColor(QPalette::Background, Qt::white);
     this->setPalette(pal3);
-    avatar.setPixmap(QPixmap(":img/group_dark.png"));
+    avatar->setPixmap(QPixmap(":img/group_dark.png"));
 }
 
 void GroupWidget::setAsInactiveChatroom()
@@ -137,7 +139,7 @@ void GroupWidget::setAsInactiveChatroom()
     QPalette pal3;
     pal3.setColor(QPalette::Background, QColor(65,65,65,255));
     this->setPalette(pal3);
-    avatar.setPixmap(QPixmap(":img/group.png"));
+    avatar->setPixmap(QPixmap(":img/group.png"));
 }
 
 void GroupWidget::updateStatusLight()

widget/groupwidget.h

@@ -20,6 +20,8 @@
 #include <QLabel>
 #include "genericchatroomwidget.h"
 
+class MaskablePixmapWidget;
+
 class GroupWidget : public GenericChatroomWidget
 {
     Q_OBJECT
@@ -39,7 +41,8 @@ signals:
 
 public:
     int groupId;
-    QLabel avatar, name, nusers, statusPic;
+    QLabel name, nusers, statusPic;
+    MaskablePixmapWidget* avatar;
 };
 
 #endif // GROUPWIDGET_H

widget/maskablepixmapwidget.cpp

@@ -23,7 +23,11 @@ MaskablePixmapWidget::MaskablePixmapWidget(QWidget *parent, QSize size, QString
     , clickable(false)
 {
     setFixedSize(size);
-    mask = QPixmap(maskName).scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+
+    QPixmap pmapMask = QPixmap(maskName);
+
+    if (!pmapMask.isNull())
+        mask = QPixmap(maskName).scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
 }
 
 void MaskablePixmapWidget::setClickable(bool clickable)