make number of icon columns in the launcher customizable per-tab

TODO: add GUI for that

3 files changed, 31 insertions, 13 deletions

diff --git a/core/launcher/launcher.cpp b/core/launcher/launcher.cpp
index 970b8cb..4f81076 100644
--- a/core/launcher/launcher.cpp
+++ b/core/launcher/launcher.cpp
@@ -286,12 +286,13 @@ void LauncherTabWidget::setTabViewAppearance( LauncherView *v, Config &cfg )
     if ( textCol.isEmpty() )
     v->setTextColor( QColor() );
     else
     v->setTextColor( QColor(textCol) );
 //    bool customFont = cfg.readBoolEntry( "CustomFont", FALSE );
 
+    v->setColNumber( cfg.readNumEntry( "Columns", 0 ) );
 
     QStringList font = cfg.readListEntry( "Font", ',' );
     if ( font.count() == 4 )
         v->setViewFont( QFont(font[0], font[1].toInt(), font[2].toInt(), font[3].toInt()!=0) );
 
     // ### FIXME TabColor TabTextColor
diff --git a/core/launcher/launcherview.cpp b/core/launcher/launcherview.cpp
index dc4c57f..9d78c0d 100644
--- a/core/launcher/launcherview.cpp
+++ b/core/launcher/launcherview.cpp
@@ -19,12 +19,13 @@
 **********************************************************************/
 
 #include "launcherview.h"
 
 /* OPIE */
 #include <opie2/odebug.h>
+#include <qpe/config.h>
 #include <qtopia/qpeapplication.h>
 #include <qtopia/private/categories.h>
 #include <qtopia/categoryselect.h>
 #include <qtopia/mimetype.h>
 #include <qtopia/resource.h>
 using namespace Opie::Core;
@@ -279,13 +280,13 @@ void LauncherItem::setEyePixmap(const QPixmap&aIcon)
 // Implemantation of LauncherIconview start
 //===========================================================================
 
 QMap<QString,QPixmap>* LauncherIconView::sm_EyeCache=0;
 
 LauncherIconView::LauncherIconView( QWidget* parent, const char* name )
-    : QIconView(parent,name),tf(""),cf(0),bsy(0),busyTimer(0),bigIcns(TRUE),bgColor(white)
+    : QIconView(parent,name),tf(""),cf(0),bsy(0),busyTimer(0),bigIcns(TRUE),bgColor(white),numColumns(0)
 {
     m_EyeCallBack = 0;
     if (!sm_EyeCache) sm_EyeCache = new QMap<QString,QPixmap>();
     sortmeth = Name;
     hidden.setAutoDelete(TRUE);
     ike = FALSE;
@@ -622,28 +623,28 @@ void LauncherIconView::setBusyIndicatorType ( BusyIndicatorType t ) { busyType =
 
 void LauncherIconView::calculateGrid( ItemTextPos pos )
 {
         int dw = QApplication::desktop()->width();
         int viewerWidth = dw-style().scrollBarExtent().width();
         if ( pos == Bottom ) {
-            int cols = 3;
-            if ( viewerWidth <= 200 )
-                cols = 2;
-            else if ( viewerWidth >= 400 )
-                 cols = viewerWidth/96;
+            if( !numColumns ) {
+                if ( viewerWidth <= 200 ) numColumns = 2;
+                else if ( viewerWidth >= 400 ) numColumns = viewerWidth/96;
+                else numColumns = 3;
+            }
             setSpacing( 4 );
-            setGridX( (viewerWidth-(cols+1)*spacing())/cols );
+            setGridX( (viewerWidth-(numColumns+1)*spacing())/numColumns );
             setGridY( fontMetrics().height()*2+24 );
         } else {
-            int cols = 2;
-            if ( viewerWidth < 150 )
-                cols = 1;
-            else if ( viewerWidth >= 400 )
-                cols = viewerWidth/150;
+            if( !numColumns ) {
+                if ( viewerWidth < 150 ) numColumns = 1;
+                else if ( viewerWidth >= 400 ) numColumns = viewerWidth/150;
+                else numColumns = 2;
+            }          
             setSpacing( 2 );
-            setGridX( (viewerWidth-(cols+1)*spacing())/cols );
+            setGridX( (viewerWidth-(numColumns+1)*spacing())/numColumns );
             setGridY( fontMetrics().height()+2 );
         }
 }
 
 void LauncherIconView::styleChange( QStyle &old )
 {
@@ -1000,12 +1001,23 @@ void LauncherView::setBackgroundType( BackgroundType t, const QString &val )
     bgType = t;
     icons->viewport()->update();
 
     QTimer::singleShot( 1000, this, SLOT(flushBgCache()) );
 }
 
+void LauncherView::setColNumber( int num )
+{
+    icons->setColNumber( num );
+}
+
+void LauncherIconView::setColNumber( int num )
+{
+    numColumns = num;
+    calculateGrid( Bottom );
+}
+
 void LauncherView::setTextColor( const QColor &tc )
 {
     textCol = tc;
     QColorGroup cg = icons->colorGroup();
     cg.setColor( QColorGroup::Text, tc );
     icons->setPalette( QPalette(cg,cg,cg) );
diff --git a/core/launcher/launcherview.h b/core/launcher/launcherview.h
index 05073ab..e2869eb 100644
--- a/core/launcher/launcherview.h
+++ b/core/launcher/launcherview.h
@@ -79,12 +79,14 @@ public:
 
     void setTextColor( const QColor & );
     QColor textColor() const { return textCol; }
 
     void setViewFont( const QFont & );
     void clearViewFont();
+    
+    void setColNumber( int );
 
     void relayout(void);
 
 signals:
     void clicked( const AppLnk * );
     void rightPressed( AppLnk * );
@@ -193,12 +195,14 @@ public:
     }
 
     void setBackgroundColor( const QColor &c ) {
         bgColor = c;
     }
 
+    void setColNumber( int );
+    
     void drawBackground( QPainter *p, const QRect &r );
     void setItemTextPos( ItemTextPos pos );
     void hideOrShowItems(bool resort);
 
     void setTypeFilter(const QString& typefilter, bool resort);
     void setCategoryFilter( int catfilter, bool resort );
@@ -242,9 +246,10 @@ private:
     LauncherThumbReceiver*m_EyeCallBack;
 #ifdef USE_ANIMATED_BUSY_ICON_OVERLAY
     QPixmap busyPix;
 #endif
     BusyIndicatorType busyType;
     QTimer m_eyeTimer;
+    int numColumns;
 };
 
 #endif // LAUNCHERVIEW_H