File kdesktop_icons.diff of Package kdebase3

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File kdesktop_icons.diff of Package kdebase3

--- kdesktop/KDesktopIface.h
+++ kdesktop/KDesktopIface.h
@@ -107,6 +107,35 @@
      * space for desktop icons
      */
     virtual void desktopIconsAreaChanged(const QRect &area, int screen) = 0;
+
+    /**
+     * Find the next free place for a not yet existing icon, so it fits
+     * in the user arrangement. Basicly prepare for icons to be moved in.
+     * It will try to find a place in the virtual grid near col,row
+     * where no other icon is.
+     *
+     * If you specify -1 for row or column, it will try to find the next
+     * free room where no other icon follows. E.g. if you specify column
+     * = -1 and row = 0, kdesktop will find the next vertical placement
+     * so that the icon appears at the end of the existing icons preferable
+     * in the first column. If the first column is full, it will find the
+     * next free room in the second column.
+     *
+     * If you specify both column and row, kdesktop won't care for aligning,
+     * or surrounding icons, but try to find the free place near the given
+     * grid place (e.g. specify 0,0 to find the nearest place in the left
+     * upper corner).
+     */
+    virtual QPoint findPlaceForIcon( int column, int row) = 0;
+
+    /// copy the desktop file in the Desktop and place it at x, y
+    virtual void addIcon(const QString &url, int x, int y) = 0;
+
+    /// same with specific destination
+    virtual void addIcon(const QString &url, const QString &dest, int x, int y) = 0;
+
+    /// remove the desktop file (either full path or relative)
+    virtual void removeIcon(const QString &dest) = 0;
 };
 
 #endif
--- kdesktop/desktop.cc
+++ kdesktop/desktop.cc
@@ -32,6 +32,9 @@
 #include <unistd.h>
 #include <kcolordrag.h>
 #include <kurldrag.h>
+#include <stdlib.h>
+#include <kio/job.h>
+#include <qfile.h>
 
 #include <qdir.h>
 #include <qevent.h>
@@ -58,6 +60,7 @@
 #include <kglobalsettings.h>
 #include <kpopupmenu.h>
 #include <kapplication.h>
+#include <kdirlister.h>
 // Create the equivalent of KAccelBase::connectItem
 // and then remove this include and fix reconnects in initRoot() -- ellis
 //#include <kaccelbase.h>
@@ -981,4 +984,47 @@
     return QWidget::event(e);
 }
 
+QPoint KDesktop::findPlaceForIcon( int column, int row )
+{
+    if (m_pIconView)
+        return m_pIconView->findPlaceForIcon(column, row);
+    else
+        return QPoint(-1, -1);
+}
+
+void KDesktop::addIcon(const QString & _url, int x, int y)
+{
+    addIcon( _url, KGlobalSettings::desktopPath(), x, y );
+}
+
+void KDesktop::addIcon(const QString & _url, const QString & _dest, int x, int y)
+{
+    QString filename = _url.mid(_url.findRev('/') + 1);
+
+    QValueList<KIO::CopyInfo> files;
+    KIO::CopyInfo i;
+    i.uSource = KURL::fromPathOrURL( _url );
+    i.uDest   = KURL::fromPathOrURL( _dest );
+    i.uDest.addPath( filename );
+    files.append(i);
+    if (!QFile::exists(i.uDest.prettyURL().replace("file://",QString::null))) { m_pIconView->slotAboutToCreate( QPoint( x, y ), files );
+    KIO::copy( i.uSource, i.uDest, false ); }
+
+//    m_pIconView->addFuturePosition(filename, x, y);
+    // qDebug("addIcon %s %s %d %d", _url.latin1(), _dest.latin1(), x, y);
+//    system(QString("cp \"%1\" \"%2/%3\"").arg(KURL(_url).path()).arg(KURL(_dest).path()).arg(filename).latin1());
+//    m_pIconView->update( _dest );
+}
+
+void KDesktop::removeIcon(const QString &_url)
+{
+	if (_url.at(0) != '/') {
+		qDebug("removeIcon with relative path not supported for now");
+		return;
+	}
+	unlink(KURL(_url).path().latin1());
+	QString dest = _url.left(_url.findRev('/') + 1);
+        m_pIconView->update( dest );
+}
+
 #include "desktop.moc"
--- kdesktop/desktop.h
+++ kdesktop/desktop.h
@@ -164,6 +164,11 @@
   virtual void setIconsEnabled( bool enable );
   virtual bool event ( QEvent * e );
 
+  virtual QPoint findPlaceForIcon( int column, int row);
+  virtual void addIcon(const QString &url, int x, int y);
+  virtual void addIcon(const QString &url, const QString &dest, int x, int y);
+  virtual void removeIcon(const QString &url);
+
 private slots:
   void desktopResized();
 
--- kdesktop/kdiconview.cc
+++ kdesktop/kdiconview.cc
@@ -954,6 +954,18 @@
   kdDebug(1214) << "KDIconView::slotNewItems count=" << entries.count() << endl;
   KFileItemListIterator it(entries);
   KFileIVI* fileIVI = 0L;
+
+  if (m_nextItemPos.isNull() && !m_dotDirectory)  {
+      // Not found, we'll need to save the new pos
+      kdDebug(1214)<<"Neither a  drop position stored nor m_dotDirectory set"<<endl;
+      m_dotDirectory = new KSimpleConfig( dotDirectoryPath(), true );
+      // recursion
+      slotNewItems( entries );
+      delete m_dotDirectory;
+      m_dotDirectory = 0;
+      return;
+  }
+
   for (; it.current(); ++it)
   {
     KURL url = it.current()->url();
@@ -1018,15 +1030,6 @@
             kdDebug(1214)<<"Using saved position"<<endl;
         }
       }
-      else
-      {
-            // Not found, we'll need to save the new pos
-            kdDebug(1214)<<"slotNewItems(): New item without position information, try to find a sane location"<<endl;
-
-            moveToFreePosition(fileIVI);
-
-            m_bNeedSave = true;
-      }
     }
   }
 
@@ -1630,6 +1633,98 @@
 }
 
 
+QPoint KDIconView::findPlaceForIconCol( int column, int dx, int dy)
+{
+    if (column < 0)
+        return QPoint();
+
+    QRect rect;
+    rect.moveTopLeft( QPoint(column * dx, 0) );
+    rect.setWidth(dx);
+    rect.setHeight(dy);
+
+    if (rect.right() > viewport()->width())
+        return QPoint();
+
+    while ( rect.bottom() < viewport()->height() - spacing() )
+    {
+        if ( !isFreePosition(0,rect) )
+            rect.moveBy(0, rect.height());
+        else
+            return rect.topLeft();
+    }
+
+    return QPoint();
+}
+
+QPoint KDIconView::findPlaceForIconRow( int row, int dx, int dy )
+{
+    if (row < 0)
+        return QPoint();
+
+    QRect rect;
+    rect.moveTopLeft(QPoint(0, row * dy));
+    rect.setWidth(dx);
+    rect.setHeight(dy);
+
+    if (rect.bottom() > viewport()->height())
+        return QPoint();
+
+    while (rect.right() < viewport()->width() - spacing())
+    {
+        if (!isFreePosition(0,rect))
+            rect.moveBy(rect.width()+spacing(), 0);
+        else
+            return rect.topLeft();
+    }
+
+    return QPoint();
+}
+
+QPoint KDIconView::findPlaceForIcon( int column, int row)
+{
+    int dx = gridXValue(), dy = 0;
+    QIconViewItem *item = firstItem();
+    for ( ; item; item = item->nextItem() ) {
+        dx = QMAX( dx, item->width() );
+        dy = QMAX( dy, item->height() );
+    }
+
+    dx += spacing();
+    dy += spacing();
+
+    if (row == -1) {
+        int max_cols = viewport()->width() / dx;
+        int delta = 0;
+        QPoint res;
+        do {
+            delta++;
+            res = findPlaceForIconCol(column + (delta / 2) * (-2 * (delta % 2) + 1),
+                                      dx, dy);
+            if (delta / 2 > QMAX(max_cols - column, column))
+                return res;
+        } while (res.isNull());
+        return res;
+    }
+
+    if (column == -1) {
+        int max_rows = viewport()->height() / dy;
+        int delta = 0;
+        QPoint res;
+        do {
+            delta++;
+            res = findPlaceForIconRow(row + (delta / 2) * (-2 * (delta % 2) + 1),
+                                      dx, dy);
+            if (delta / 2 > QMAX(max_rows - row, row))
+                return res;
+        } while (res.isNull());
+        return res;
+    }
+
+    // very unlikely - if I may add that
+    return QPoint(0, 0);
+}
+
 void KDIconView::saveIconPositions()
 {
   kdDebug(1214) << "KDIconView::saveIconPositions" << endl;
@@ -1657,4 +1752,11 @@
   m_dotDirectory->sync();
 }
 
+void KDIconView::update( const QString &_url )
+{
+	if (m_dirLister)
+		m_dirLister->updateDirectory( _url );
+}
+
+
 #include "kdiconview.moc"
--- kdesktop/kdiconview.h
+++ kdesktop/kdiconview.h
@@ -74,6 +74,8 @@
     void refreshIcons();
     QStringList selectedURLs();
 
+    void update( const QString &url );
+
     /**
      * Save the icon positions
      */
@@ -104,6 +106,10 @@
 
     void startDirLister();
 
+    QPoint findPlaceForIconCol( int column, int dx, int dy );
+    QPoint findPlaceForIconRow( int row, int dx, int dy );
+    QPoint findPlaceForIcon( int column, int row );
+
 protected slots:
     // slots connected to the icon view
     void slotReturnPressed( QIconViewItem *item );
@@ -112,8 +118,9 @@
     void slotMouseButtonClickedKDesktop(int _button, QIconViewItem* _item, const QPoint& _global);
     void slotContextMenuRequested(QIconViewItem* _item, const QPoint& _global);
     void slotEnableAction( const char * name, bool enabled );
+public slots:
     void slotAboutToCreate(const QPoint &pos, const QValueList<KIO::CopyInfo> &files);
-
+protected slots:
     void slotItemRenamed(QIconViewItem*, const QString &name);
 
     // slots connected to the directory lister

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File kdesktop_icons.diff of Package kdebase3

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