added limited queue

widgets/chatwidgetview.cpp

@@ -47,17 +47,19 @@ ChatWidgetView::layoutMessages()
 
     bool showScrollbar = false;
 
-    auto messages = c->getMessagesClone();
+    auto messages = c->getMessageSnapshot();
 
     bool redraw = false;
 
-    for (std::shared_ptr<messages::Message> &message : messages) {
-        redraw |= message.get()->layout(this->width(), true);
-    }
+    //    for (std::shared_ptr<messages::Message> &message : messages) {
+    //        redraw |= message.get()->layout(this->width(), true);
+    //    }
+
+    redraw = true;
 
     int h = this->height() - 8;
 
-    for (int i = messages.size() - 1; i >= 0; i--) {
+    for (int i = messages.getLength() - 1; i >= 0; i--) {
         auto *message = messages[i].get();
 
         message->layout(this->width(), true);
@@ -65,7 +67,7 @@ ChatWidgetView::layoutMessages()
         h -= message->getHeight();
 
         if (h < 0) {
-            this->scrollbar.setLargeChange((messages.size() - i) +
+            this->scrollbar.setLargeChange((messages.getLength() - i) +
                                            (qreal)h / message->getHeight());
             this->scrollbar.setDesiredValue(this->scrollbar.getDesiredValue());
 
@@ -76,7 +78,7 @@ ChatWidgetView::layoutMessages()
 
     this->scrollbar.setVisible(showScrollbar);
 
-    this->scrollbar.setMaximum(c->getMessages().size());
+    this->scrollbar.setMaximum(messages.getLength());
 
     return redraw;
 }
@@ -138,18 +140,18 @@ ChatWidgetView::paintEvent(QPaintEvent *)
     if (c == NULL)
         return;
 
-    auto messages = c->getMessagesClone();
+    auto messages = c->getMessageSnapshot();
 
     int start = this->scrollbar.getCurrentValue();
 
-    if (start >= messages.length()) {
+    if (start >= messages.getLength()) {
         return;
     }
 
     int y = -(messages[start].get()->getHeight() *
               (fmod(this->scrollbar.getCurrentValue(), 1)));
 
-    for (int i = start; i < messages.size(); ++i) {
+    for (int i = start; i < messages.getLength(); ++i) {
         messages::Message *message = messages[i].get();
 
         for (messages::WordPart const &wordPart : message->getWordParts()) {

widgets/notebook.cpp

@@ -133,12 +133,8 @@ Notebook::tabAt(QPoint point, int &index)
 void
 Notebook::rearrangePage(NotebookPage *page, int index)
 {
-    int i1 = pages.indexOf(page);
-
     pages.move(pages.indexOf(page), index);
 
-    int i2 = pages.indexOf(page);
-
     performLayout();
 }
 

widgets/scrollbar.cpp

@@ -28,10 +28,11 @@ ScrollBar::ScrollBar(QWidget *widget)
     , currentValueChanged()
     , currentValue()
 {
-    resize(16, 100);
+    this->resize(16, 100);
 
-    currentValueAnimation.setDuration(300);
-    currentValueAnimation.setEasingCurve(QEasingCurve(QEasingCurve::OutCubic));
+    this->currentValueAnimation.setDuration(300);
+    this->currentValueAnimation.setEasingCurve(
+        QEasingCurve(QEasingCurve::OutCubic));
 
     this->setMouseTracking(true);
 }
@@ -211,7 +212,7 @@ ScrollBar::updateScroll()
 
     this->thumbRect =
         QRect(0,
-              (int)(this->desiredValue / this->maximum * this->trackHeight) +
+              (int)(this->currentValue / this->maximum * this->trackHeight) +
                   1 + this->buttonHeight,
               width(),
               (int)(this->largeChange / this->maximum * this->trackHeight) +

widgets/scrollbar.h

@@ -63,8 +63,6 @@ public:
         value = std::max(this->minimum,
                          std::min(this->maximum - this->largeChange, value));
 
-        this->desiredValue = value;
-
         if (this->desiredValue != value) {
             if (animated) {
                 this->currentValueAnimation.stop();
@@ -78,6 +76,8 @@ public:
                 this->setCurrentValue(value);
             }
         }
+
+        this->desiredValue = value;
     }
 
     qreal