From e6fa25ffd902f5784bcd2d4c7bdfa50d6ef23423 Mon Sep 17 00:00:00 2001
From: Marcus Eggenberger <egs@quassel-irc.org>
Date: Wed, 2 Jul 2008 17:42:20 +0200
Subject: [PATCH] usability++ (drag mousecursor, tooltip, limited scrolling)

---
 src/qtui/topiclabel.cpp | 16 ++++++++++++++--
 src/qtui/topiclabel.h   |  1 +
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/qtui/topiclabel.cpp b/src/qtui/topiclabel.cpp
index ea84b1e0..ec9fc4eb 100644
--- a/src/qtui/topiclabel.cpp
+++ b/src/qtui/topiclabel.cpp
@@ -37,8 +37,11 @@ TopicLabel::TopicLabel(QWidget *parent)
   : QFrame(parent),
     offset(0),
     dragStartX(0),
+    textWidth(0),
     dragMode(false)
 {
+  setToolTip(tr("Drag to scroll the topic!"));
+  setCursor(Qt::OpenHandCursor);
 }
 
 void TopicLabel::paintEvent(QPaintEvent *event) {
@@ -63,6 +66,7 @@ void TopicLabel::paintEvent(QPaintEvent *event) {
     painter.drawText(drawRect, Qt::AlignLeft|Qt::AlignVCenter, textPart, &brect);
     drawRect.setLeft(brect.right());
   }
+  textWidth = brect.right();
 #endif
 }
 
@@ -88,7 +92,6 @@ void TopicLabel::setText(const QString &text) {
   // setFixedHeight(height);
 #endif  
   // show topic in tooltip
-  setToolTip(_text);
 }
 
 
@@ -97,7 +100,14 @@ void TopicLabel::mouseMoveEvent(QMouseEvent *event) {
     return;
 
   event->accept();
-  offset = event->pos().x() - dragStartX;
+  int newOffset = event->pos().x() - dragStartX;
+  if(newOffset > 0)
+    offset = 0;
+  else if(width() < textWidth || offset < newOffset)
+    offset = newOffset;
+//     qDebug() << offset << (width() - textWidth) << width() << textWidth;
+//     if(offset < width() - textWidth)
+//       offset = width() - textWidth;
   update();
 }
 
@@ -105,6 +115,7 @@ void TopicLabel::mousePressEvent(QMouseEvent *event) {
   event->accept();
   dragMode = true;
   dragStartX = event->pos().x() - offset;
+  setCursor(Qt::ClosedHandCursor);
 }
 
 void TopicLabel::mouseReleaseEvent(QMouseEvent *event) {
@@ -114,6 +125,7 @@ void TopicLabel::mouseReleaseEvent(QMouseEvent *event) {
     offset = 0;
     update();
   }
+  setCursor(Qt::OpenHandCursor);
 }
 
 void TopicLabel::mouseDoubleClickEvent(QMouseEvent *event) {
diff --git a/src/qtui/topiclabel.h b/src/qtui/topiclabel.h
index 756c35a5..af5abc6f 100644
--- a/src/qtui/topiclabel.h
+++ b/src/qtui/topiclabel.h
@@ -51,6 +51,7 @@ private:
 
   int offset;
   int dragStartX;
+  int textWidth;
   bool dragMode;
 
   QList<int> textPartOffset; // needed for location url positions
-- 
2.20.1