1 files changed, 99 insertions, 0 deletions
diff --git a/kicker/applets/launcher/flowgridmanager.h b/kicker/applets/launcher/flowgridmanager.h
new file mode 100644
index 000000000..9d100c74f
--- /dev/null
+++ b/kicker/applets/launcher/flowgridmanager.h
@@ -0,0 +1,99 @@
+/*  Copyright 2004, Daniel Woods Bullok <[email protected]>
+    distributed under the terms of the
+    GNU GENERAL PUBLIC LICENSE Version 2 -
+    See the file kdebase/COPYING for details
+*/
+
+#ifndef __const_space_grid_h__
+#define __const_space_grid_h__
+
+#include <qnamespace.h>
+#include <qpoint.h>
+#include <qsize.h>
+
+
+class FlowGridManager {
+// Determine if two FlowGridManager objs have the same layout.  They may or
+// may not have the same input parameters, but the resulting layout is identical.
+    friend bool operator== ( const FlowGridManager & gp1, const FlowGridManager & gp2 );
+
+public:
+    typedef enum {
+        ItemSlack,SpaceSlack,BorderSlack,NoSlack
+    } Slack;
+
+    FlowGridManager(QSize p_item_size=QSize(0,0),
+                                     QSize p_space_size=QSize(0,0),
+                                     QSize p_border_size=QSize(0,0),
+                                     QSize frame_size=QSize(0,0),
+                                     Qt::Orientation orient=Qt::Horizontal,
+                                     int num_items=0,
+                                     Slack slack_x=ItemSlack,
+                                     Slack slack_y=ItemSlack);
+
+
+    void setNumItems(int num_items);
+    void setItemSize(QSize item_size);
+    void setSpaceSize(QSize space_size);
+    void setBorderSize(QSize border_size);
+    void setOrientation(Qt::Orientation orient);
+    void setFrameSize(QSize frame_size);
+    void setSlack(Slack slack_x, Slack slack_y);
+    void setConserveSpace(bool conserve);
+
+
+    QSize  itemSize() const;
+    QSize  spaceSize() const;
+    QSize  borderSize() const;
+    QSize  gridDim() const;
+    QSize  gridSpacing() const;
+    QSize  frameSize() const;
+    QPoint origin() const;
+    Qt::Orientation orientation() const;
+    bool   conserveSpace() const;
+
+//    Slack  slackX() const;
+//    Slack  slackY() const;
+
+    QPoint posAtCell(int x,int y) const;
+    QPoint pos(int i) const;
+    QPoint cell(int index) const;
+    bool isValid() const;
+    int indexNearest(QPoint p) const;
+
+    void dump();
+protected:
+    int _getHH(QSize size) const;
+    int _getWH(QSize size) const;
+    QSize _swapHV(QSize hv) const;
+    inline void _checkReconfigure() const;
+    int _slack(int nitems,int length,int item,int space,int border) const;
+    void _reconfigure() const;
+    void _clear() const;
+
+protected:
+    // user-definable data
+    QSize _pItemSize,_pSpaceSize,_pBorderSize,_pFrameSize;
+    Slack _slackX, _slackY;
+    bool _conserveSpace;
+    Qt::Orientation _orientation;
+    int _numItems;
+
+    // results
+    mutable QSize _itemSize, _spaceSize, _borderSize, _gridDim, _gridSpacing, _frameSize;
+    mutable QPoint _origin;
+
+    // status
+    mutable bool _dirty, _valid;
+
+};
+
+
+// reconfigure the grid if necessary.
+inline void FlowGridManager::_checkReconfigure() const
+{   if (!_dirty) return;
+    _reconfigure();
+}
+
+#endif
+