kcmtaskbar: UI improvements

The module settings are now split between three tabs,
which looks better overall and a little less overloaded.

Additionaly, some new settings which were already present
for the config have been exposed (thumbnails, max button
width).

Finally, some settings have been further refined for
customization (button styles, which were previously
hardcoded -Clssic, Optimal, For transparency- can
now be precisely configured.

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>

kcontrol/taskbar/kcmtaskbar.cpp

@@ -24,6 +24,7 @@
 #include <tqfile.h>
 #include <tqlabel.h>
 #include <tqbuttongroup.h>
+#include <tqtabwidget.h>
 
 #include <dcopclient.h>
 
@@ -218,6 +219,7 @@ TaskbarConfig::TaskbarConfig(TQWidget *parent, const char* name, const TQStringL
     {
         m_widget->appearance->insertItem((*it).name());
     }
+    m_widget->appearance->insertItem(i18n("Custom"));
 
     connect(m_widget->appearance, TQT_SIGNAL(activated(int)),
             this, TQT_SLOT(appearanceChanged(int)));
@@ -247,7 +249,7 @@ TaskbarConfig::TaskbarConfig(TQWidget *parent, const char* name, const TQStringL
     {
         m_widget->kcfg_ShowAllWindows->hide();
         m_widget->kcfg_SortByDesktop->hide();
-        m_widget->spacer2->changeSize(0, 0);
+        // m_widget->spacer2->changeSize(0, 0);
     }
 
     if (!TQApplication::desktop()->isVirtualDesktop() ||
@@ -306,14 +308,12 @@ void TaskbarConfig::processLockouts()
 		m_widget->localConfigWarning->show();
 		m_widget->kcfg_UseGlobalSettings->show();
 		if (m_widget->kcfg_UseGlobalSettings->isChecked()) {
-			m_widget->taskbarGroup->hide();
-			m_widget->actionsGroup->hide();
+			m_widget->tabs->hide();
 			m_widget->globalConfigReload->hide();
 			m_widget->globalConfigEdit->show();
 		}
 		else {
-			m_widget->taskbarGroup->show();
-			m_widget->actionsGroup->show();
+			m_widget->tabs->show();
 			// FIXME
 			// Disable this feature until a method can be found to force the TDECModule to reload its settings from disk after the global settings have been copied!
 			//m_widget->globalConfigReload->show();
@@ -384,23 +384,37 @@ void TaskbarConfig::updateAppearanceCombo()
     if (i < m_appearances.count())
     {
         m_widget->appearance->setCurrentItem(i);
+        m_widget->customAppearance->setEnabled(false);
         return;
     }
 
-    if (m_widget->appearance->count() == (int)m_appearances.count())
+    else if (m_widget->appearance->count() == (int)m_appearances.count())
     {
-        m_widget->appearance->insertItem(i18n("Custom"));
+        m_widget->customAppearance->setEnabled(true);
     }
 
     m_widget->appearance->setCurrentItem(m_appearances.count());
 }
 
+void TaskbarConfig::updateCustomAppearance()
+{
+    m_widget->kcfg_DrawButtons      ->setChecked(m_settingsObject->drawButtons());
+    m_widget->kcfg_HaloText         ->setChecked(m_settingsObject->haloText());
+    m_widget->kcfg_ShowButtonOnHover->setChecked(m_settingsObject->showButtonOnHover());
+}
+
 void TaskbarConfig::appearanceChanged(int selected)
 {
-    if (selected < (int)m_appearances.count())
+    if (selected < m_appearances.count())
     {
+        m_widget->customAppearance->setEnabled(false);
         unmanagedWidgetChangeState(!m_appearances[selected].matchesSettings());
     }
+    else if(selected == m_appearances.count())
+    {
+        m_widget->customAppearance->setEnabled(true);
+        updateCustomAppearance();
+    }
 }
 
 void TaskbarConfig::load()
@@ -413,6 +427,8 @@ void TaskbarConfig::load()
 
 void TaskbarConfig::save()
 {
+    TDECModule::save();
+
     m_settingsObject->setShowCurrentScreenOnly(!m_widget->showAllScreens->isChecked());
     int selectedAppearance = m_widget->appearance->currentItem();
     if (selectedAppearance < (int)m_appearances.count())
@@ -421,8 +437,6 @@ void TaskbarConfig::save()
         m_settingsObject->writeConfig();
     }
 
-    TDECModule::save();
-
     TQByteArray data;
     kapp->dcopClient()->emitDCOPSignal("kdeTaskBarConfigChanged()", data);
 }

kcontrol/taskbar/kcmtaskbar.h

@@ -78,6 +78,7 @@ private slots:
 private:
     TaskbarAppearance::List m_appearances;
     void updateAppearanceCombo();
+    void updateCustomAppearance();
     static const TQStringList& actionList();
     static TQStringList i18nActionList();
     static const TQStringList& groupModeList();

kicker/taskbar/taskbar.kcfg

@@ -91,9 +91,10 @@
         </entry>
         <entry key="MaximumButtonWidth" type="Int" >
             <default>200</default>
-            <min>0</min>
-            <label></label>
-            <whatsthis></whatsthis>
+            <min>50</min>
+            <max>500</max>
+            <label>Maximum button width</label>
+            <whatsthis>The maximum width to which a taskbar item can expand.</whatsthis>
         </entry>
         <entry key="MinimumButtonHeight" type="Int" >
             <default>18</default>