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cslayout.h
00001 /* 00002 Copyright (C) Aleksandras Gluchovas 00003 CS port by Norman Kraemer <norman@users.sourceforge.net> 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_CSLAYOUT_H__ 00021 #define __CS_CSLAYOUT_H__ 00022 00027 #include "csextern.h" 00028 00029 #include "csws/csdialog.h" 00030 #include "csgeom/cspoint.h" 00031 #include "csutil/parray.h" 00032 00037 class CS_CSWS_EXPORT csLayoutConstraint 00038 { 00039 public: 00041 csComponent *comp; 00042 public: 00044 csLayoutConstraint () 00045 { comp = 0; } 00047 csLayoutConstraint (csComponent *comp) 00048 { this->comp = comp; } 00050 virtual ~csLayoutConstraint () {} 00052 virtual csLayoutConstraint *Clone (); 00053 }; 00054 00060 class CS_CSWS_EXPORT csConstraintVector : 00061 public csPDelArray<csLayoutConstraint> 00062 { 00063 public: 00065 static int CompareKey (csLayoutConstraint* const& Item1, 00066 csComponent* const& Item2) 00067 { 00068 return (Item1->comp < Item2 ? -1 : Item1->comp > Item2 ? 1 : 0); 00069 } 00071 static csArrayCmp<csLayoutConstraint*,csComponent*> KeyCmp(csComponent* c) 00072 { 00073 return csArrayCmp<csLayoutConstraint*,csComponent*>(c, CompareKey); 00074 } 00075 }; 00076 00103 class CS_CSWS_EXPORT csLayout : public csDialog 00104 { 00105 protected: 00112 static bool mUseTwoPhaseLayoutingGlobally; 00113 static int mCurrentLayoutingPhase; 00115 bool bRecalcLayout; 00117 csConstraintVector vConstraints; 00119 csLayoutConstraint *lc; 00120 00121 public: 00123 csRect insets; 00124 enum LAYOUTING_PHASES {PHASE_0 = 0, PHASE_1 = 1}; 00130 csLayoutConstraint c; 00131 00132 public: 00133 csLayout (csComponent *iParent, csDialogFrameStyle iFrameStyle = csdfsNone); 00134 00146 virtual csLayoutConstraint *AddLayoutComponent (csComponent *comp); 00148 virtual void RemoveLayoutComponent (csComponent *comp); 00150 virtual void SuggestSize (int &sugw, int& sugh) = 0; 00152 virtual void LayoutContainer () = 0; 00155 virtual void InvalidateLayout (); 00156 00158 virtual int GetLayoutingPhase (); 00160 virtual void SetLayoutingPhase (int phase); 00162 virtual csPoint GetPhase0Size (); 00164 virtual bool TwoPhaseLayoutingEnabled (); 00166 static void SetTwoPhaseLayoutingGlobally (bool on); 00167 00169 virtual void Insert (csComponent *child); 00170 virtual bool HandleEvent (iEvent &Event); 00171 virtual void Draw (); 00172 virtual bool SetRect (int xmin, int ymin, int xmax, int ymax); 00173 virtual void FixSize (int &newWidth, int &newHeight); 00174 }; 00175 00180 class CS_CSWS_EXPORT csLayout2 : public csLayout 00181 { 00182 public: 00183 csLayout2 (csComponent *pParent); 00184 00185 virtual void MaximumLayoutSize (int &w, int &h) = 0; 00186 virtual float GetLayoutAlignmentX () = 0; 00187 virtual float GetLayoutAlignmentY () = 0; 00188 }; 00189 00192 #endif // __CS_CSLAYOUT_H__
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