From 14b7d88851378ac5ee85198634a984a665668237 Mon Sep 17 00:00:00 2001
From: Darrell Anderson <humanreadable@yahoo.com>
Date: Tue, 13 Mar 2012 11:19:54 -0500
Subject: Add check box option to control taskbar window cycling with mouse
 wheel. This closes bug report 251.

---
 kicker/taskbar/taskbar.cpp  | 26 +++++++++++++++++---------
 kicker/taskbar/taskbar.h    |  1 +
 kicker/taskbar/taskbar.kcfg |  5 +++++
 3 files changed, 23 insertions(+), 9 deletions(-)

(limited to 'kicker/taskbar')

diff --git a/kicker/taskbar/taskbar.cpp b/kicker/taskbar/taskbar.cpp
index 1a156930d..ac8753caa 100644
--- a/kicker/taskbar/taskbar.cpp
+++ b/kicker/taskbar/taskbar.cpp
@@ -56,6 +56,7 @@ TaskBar::TaskBar( TQWidget *parent, const char *name )
       m_currentScreen(-1),
       m_showOnlyCurrentScreen(false),
       m_sortByDesktop(false),
+      m_cycleWheel(false),
       m_showIcon(false),
       m_showOnlyIconified(false),
       m_textShadowEngine(0),
@@ -233,6 +234,7 @@ void TaskBar::configure()
 {
     bool wasShowWindows = m_showAllWindows;
     bool wasSortByDesktop = m_sortByDesktop;
+    bool wasCycleWheel = m_cycleWheel;
     bool wasShowIcon = m_showIcon;
     bool wasShowOnlyIconified = m_showOnlyIconified;
 
@@ -240,6 +242,7 @@ void TaskBar::configure()
     m_sortByDesktop = m_showAllWindows && TaskBarSettings::sortByDesktop();
     m_showIcon = TaskBarSettings::showIcon();
     m_showOnlyIconified = TaskBarSettings::showOnlyIconified();
+    m_cycleWheel = TaskBarSettings::cycleWheel();
 
     m_currentScreen = -1;    // Show all screens or re-get our screen
     m_showOnlyCurrentScreen = (TaskBarSettings::showCurrentScreenOnly() &&
@@ -262,6 +265,7 @@ void TaskBar::configure()
     if (wasShowWindows != m_showAllWindows ||
         wasSortByDesktop != m_sortByDesktop ||
         wasShowIcon != m_showIcon ||
+        wasCycleWheel != m_cycleWheel ||
         wasShowOnlyIconified != m_showOnlyIconified)
     {
         // relevant settings changed, update our task containers
@@ -1127,15 +1131,19 @@ void TaskBar::activateNextTask(bool forward)
 
 void TaskBar::wheelEvent(TQWheelEvent* e)
 {
-    if (e->delta() > 0)
-    {
-        // scroll away from user, previous task
-        activateNextTask(false);
-    }
-    else
-    {
-        // scroll towards user, next task
-        activateNextTask(true);
+
+    if(TaskBarSettings::cycleWheel()) {
+
+        if (e->delta() > 0)
+        {
+            // scroll away from user, previous task
+            activateNextTask(false);
+        }
+        else
+        {
+            // scroll towards user, next task
+            activateNextTask(true);
+        }
     }
 }
 
diff --git a/kicker/taskbar/taskbar.h b/kicker/taskbar/taskbar.h
index 9f56565e3..bb4167166 100644
--- a/kicker/taskbar/taskbar.h
+++ b/kicker/taskbar/taskbar.h
@@ -110,6 +110,7 @@ private:
 
     bool			blocklayout;
     bool			m_showAllWindows;
+    bool      m_cycleWheel;
     // The screen to show, -1 for all screens
     int 			m_currentScreen;
     bool			m_showOnlyCurrentScreen;
diff --git a/kicker/taskbar/taskbar.kcfg b/kicker/taskbar/taskbar.kcfg
index 173e5b8ec..0d11b4a60 100644
--- a/kicker/taskbar/taskbar.kcfg
+++ b/kicker/taskbar/taskbar.kcfg
@@ -11,6 +11,11 @@
             <label>Show windows from all desktops</label>
             <whatsthis>Turning this option off will cause the taskbar to display <b>only</b> the windows on the current desktop. \n\nBy default, this option is selected and all windows are shown.</whatsthis>
         </entry>
+        <entry key="CycleWheel" type="Bool" >
+            <default>true</default>
+            <label>Cycle through windows with mouse wheel</label>
+            <whatsthis>Enabling this option causes the taskbar to cycle through the current list of windows when using the mouse wheel</whatsthis>
+        </entry>
         <entry key="ShowOnlyIconified" type="Bool" >
             <default>false</default>
             <label>Show only minimized windows</label>
-- 
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