1 files changed, 352 insertions, 0 deletions
diff --git a/kgantt/kgantt/xQGanttBarViewPort.h b/kgantt/kgantt/xQGanttBarViewPort.h
new file mode 100644
index 000000000..7f30ad297
--- /dev/null
+++ b/kgantt/kgantt/xQGanttBarViewPort.h
@@ -0,0 +1,352 @@
+#ifndef _XQGANTTBARVIEWPORT_H_
+#define _XQGANTTBARVIEWPORT_H_
+
+/*
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+
+    author  : jh, jochen@ifb.bv.tu-berlin.de
+
+    file    : xQGanttBarViewPort.h
+    date    : 26 oct 2000
+
+
+    changelog :
+
+*/
+
+
+
+#include "KGanttItem.h"
+
+#include <qcursor.h>
+#include <qtimer.h>
+#include <qlabel.h>
+
+#include <kpopupmenu.h> 
+#include <ktoolbar.h> 
+
+#include <qptrdict.h>
+#include <qaction.h> 
+#include <qlineedit.h>
+
+class xQGanttBarView;
+
+#define sgn(n) (n < 0 ? -1 : 1)
+
+
+// This is an internal class.
+// helper for drawing items
+
+class xQTaskPosition 
+////////////////////
+{
+
+public :
+
+  xQTaskPosition(int nr, int x, int y, int w, int h, int hiSub, 
+		 int tPx, int tPy, int d) 
+    :  _nr(nr), _screenX(x), _screenY(y), _screenW(w), _screenH(h), 
+       _screenHS(hiSub), _textPosX(tPx), _textPosY(tPy), _depth(d)
+    {
+      _screenHandleX = _screenHandleY = _screenHandleW = _screenHandleH = 0;
+    }
+
+  int _nr;
+  int _screenX, _screenY, _screenW;
+  int _screenH; // height without subitems
+  int _screenHS; // height including subitems
+  int _textPosX, _textPosY;
+
+  int _screenHandleX, _screenHandleY, _screenHandleW, _screenHandleH;
+
+  int _depth;
+ 
+};
+
+
+
+///  GanttBarViewPort Widget.
+/*!
+ *
+ */
+
+/////////////////////////////////////////
+class KDE_EXPORT xQGanttBarViewPort : public QFrame
+////////////////////////////////////////
+{
+
+  Q_OBJECT
+
+  friend class xQGanttBarView;
+  friend class KGantt;
+
+public:
+
+  enum Mode {Init, Select, Zoom, Move};
+
+
+  ///  Constructor.
+  /*!
+   *
+   */
+  xQGanttBarViewPort(KGanttItem* toplevelitem, xQGanttBarView* parent = 0,
+		     const char * name=0, WFlags f=0 );
+
+
+  ///  Destructor.
+  /*!
+   *
+   */
+  ~xQGanttBarViewPort();
+
+
+
+  ///  Update widget.
+  /*!
+   *
+   */
+  void update(int x1, int y1, int x2, int y2); 
+  
+
+ 
+  QPtrDict<xQTaskPosition> _gItemList;
+
+
+  ///  Add holiday.
+  /*!
+   *   
+   */
+  void addHoliday(int y, int m, int d);
+
+
+
+  ///  Remove holiday.
+  /*!
+   *
+   */
+  void removeHoliday(int y, int m, int d) {
+    Q_UNUSED(y); Q_UNUSED(m); Q_UNUSED(d);
+  }
+
+
+
+  KPopupMenu* menu() {
+    return _menu;
+  }
+
+
+
+  ///
+  /*!
+   *
+   */
+  KToolBar* toolbar(QMainWindow* mw = 0);
+
+
+  //  zoom by factor sfactor and move wx,wy to the center
+  void zoom(double sfactor, int wx, int wy);
+
+  //  zoom by factor, and leave the center unmoved
+  void zoom(double sfactor);
+
+
+  void getSelectedItems(QPtrList<KGanttItem>& list) {
+    getSelectedItems(_toplevelitem, list);
+  }
+
+
+signals:
+
+  void modeChanged(int);
+  void scroll(int x, int y);
+  void resized();
+  void recalculated();
+  void message(const QString& msg);
+
+
+protected slots:
+
+  void setMode(int mode);
+
+  void setSelect();
+  void setZoom();
+  void setMove();
+
+  void zoomIn();
+  void zoomOut();
+  void zoomAll(); 
+
+  void popup(int index);
+
+  void selectAll();
+  void unselectAll();
+
+  void deleteSelectedItems();
+  void insertIntoSelectedItem();
+
+
+
+private slots:  
+
+  void toplevelitemChanged(KGanttItem* item, KGanttItem::Change c);
+  void textEdited();
+  void itemDestroyed(KGanttItem*);
+
+
+
+private:
+
+  enum Position { Outside = 0, Handle  = 1,
+		  North   = 2, South   = 4,
+		  West    = 8, East    = 16,
+		  Center  = 32 };
+
+  ///  Transform world coordinate to screen coordinate.
+  /*!
+   *
+   */
+  inline int screenX(int wx);
+
+
+  ///  Transform world coordinate to screen coordinate.
+  /*!
+   *
+   */
+  inline int screenY(int wy);
+
+  
+  ///  Transform screen coordinate to world coordinate.
+  /*!
+   *
+   */
+  inline int worldX(int sx);
+
+
+  ///  Transform screen coordinate to world coordinate.
+  /*!
+   *
+   */
+  inline int worldY(int sy);
+
+
+  //  this will be set by setParentScrollView()
+  xQGanttBarView* _parent;
+
+  int _grid, _snapgrid;
+  bool _drawGrid, _drawHeader;
+
+  Mode _mode;
+
+  int _marginX, _marginY; // margin in minutes
+  double _scaleX, _scaleY;
+
+  int _margin;
+
+
+  QCursor* _cursor_lupe;
+
+  QLabel* _itemInfo;
+  QLineEdit* _itemTextEdit;
+
+
+  // all item are stored here
+  KGanttItem* _toplevelitem;
+
+  static KGanttItem* _currentItem;
+
+  KPopupMenu* _menu;
+  KPopupMenu* _selectMenu;
+  
+  KIconLoader* _iconloader;
+
+  KToolBar* _toolbar;
+
+  QPoint* _startPoint, *_endPoint;
+
+  QPtrList<QDate> _holidays;
+
+  QPtrList<KGanttItem> *_observedList;
+
+
+  /// 
+
+  void initMenu(); 
+
+  void drawGrid(QPainter*, int x1, int y1, int x2, int y2);
+  void drawHeader(QPainter*, int x1, int y1, int x2, int y2);
+  void drawItem(KGanttItem* item, QPainter* p, const QRect& rect );
+
+  void drawRelation(QPainter*, KGanttRelation*);
+
+  void recalc(KGanttItem* item, int xPos, int yPos, int depth, int nr );
+  void recalc();
+
+  void selectItem(KGanttItem*,bool);
+
+  void getSelectedItems(KGanttItem*, QPtrList<KGanttItem>&);
+
+  void adjustSize();
+
+  void observeList(QPtrList<KGanttItem>*);
+
+  Position check(KGanttItem** founditem, int x, int y);
+
+  void mousePressEvent(QMouseEvent*);
+  void mouseReleaseEvent(QMouseEvent*);
+
+  void wheelEvent ( QWheelEvent * /*e*/) {
+    printf("wheelEvent\n");
+  }
+
+  void mouseMoveEvent(QMouseEvent*);  
+  void keyPressEvent(QKeyEvent* e);
+  void paintEvent(QPaintEvent * e);
+  
+  
+  QPixmap closedIcon, openedIcon;
+
+};
+
+
+
+
+//   inline
+
+
+int xQGanttBarViewPort::screenX(int wx)
+///////////////////////////////////////
+{   
+  return (int) (0.5 + (wx + _marginX)  * _scaleX);
+}  
+int xQGanttBarViewPort::screenY(int wy)
+/////////////////////////////////////
+{   
+  return (int) (0.5 + (wy + _marginY) * _scaleY);
+}  
+int xQGanttBarViewPort::worldX(int sx)
+/////////////////////////////////////
+{   
+  return (int) (0.5 + (sx/_scaleX - _marginX));
+}  
+int xQGanttBarViewPort::worldY(int sy)
+//////////////////////////////////////
+{   
+  return (int) (0.5 + (sy/_scaleY - _marginY));
+}  
+
+
+#endif