1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski #ifndef VCL_TEXTLAYOUT_HXX 25*b1cdbd2cSJim Jagielski #define VCL_TEXTLAYOUT_HXX 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include "vcl/outdev.hxx" 28*b1cdbd2cSJim Jagielski 29*b1cdbd2cSJim Jagielski #include <tools/solar.h> 30*b1cdbd2cSJim Jagielski #include <tools/string.hxx> 31*b1cdbd2cSJim Jagielski 32*b1cdbd2cSJim Jagielski #include <memory> 33*b1cdbd2cSJim Jagielski 34*b1cdbd2cSJim Jagielski class Control; 35*b1cdbd2cSJim Jagielski 36*b1cdbd2cSJim Jagielski //........................................................................ 37*b1cdbd2cSJim Jagielski namespace vcl 38*b1cdbd2cSJim Jagielski { 39*b1cdbd2cSJim Jagielski //........................................................................ 40*b1cdbd2cSJim Jagielski 41*b1cdbd2cSJim Jagielski //==================================================================== 42*b1cdbd2cSJim Jagielski //= ITextLayout 43*b1cdbd2cSJim Jagielski //==================================================================== 44*b1cdbd2cSJim Jagielski class SAL_NO_VTABLE ITextLayout 45*b1cdbd2cSJim Jagielski { 46*b1cdbd2cSJim Jagielski public: 47*b1cdbd2cSJim Jagielski virtual long GetTextWidth( const XubString& _rText, xub_StrLen _nStartIndex, xub_StrLen _nLength ) const = 0; 48*b1cdbd2cSJim Jagielski virtual void DrawText( const Point& _rStartPoint, const XubString& _rText, xub_StrLen _nStartIndex, xub_StrLen _nLength, 49*b1cdbd2cSJim Jagielski MetricVector* _pVector, String* _pDisplayText ) = 0; 50*b1cdbd2cSJim Jagielski virtual bool GetCaretPositions( const XubString& _rText, sal_Int32* _pCaretXArray, xub_StrLen _nStartIndex, xub_StrLen _nLength ) const = 0; 51*b1cdbd2cSJim Jagielski virtual xub_StrLen GetTextBreak( const XubString& _rText, long _nMaxTextWidth, xub_StrLen _nStartIndex, xub_StrLen _nLength ) const = 0; 52*b1cdbd2cSJim Jagielski virtual bool DecomposeTextRectAction() const = 0; 53*b1cdbd2cSJim Jagielski }; 54*b1cdbd2cSJim Jagielski 55*b1cdbd2cSJim Jagielski //==================================================================== 56*b1cdbd2cSJim Jagielski //= DefaultTextLayout 57*b1cdbd2cSJim Jagielski //==================================================================== 58*b1cdbd2cSJim Jagielski /** is an implementation of the ITextLayout interface which simply delegates its calls to the respective 59*b1cdbd2cSJim Jagielski methods of an OutputDevice instance, without any inbetween magic. 60*b1cdbd2cSJim Jagielski */ 61*b1cdbd2cSJim Jagielski class DefaultTextLayout : public ITextLayout 62*b1cdbd2cSJim Jagielski { 63*b1cdbd2cSJim Jagielski public: DefaultTextLayout(OutputDevice & _rTargetDevice)64*b1cdbd2cSJim Jagielski DefaultTextLayout( OutputDevice& _rTargetDevice ) 65*b1cdbd2cSJim Jagielski :m_rTargetDevice( _rTargetDevice ) 66*b1cdbd2cSJim Jagielski { 67*b1cdbd2cSJim Jagielski } 68*b1cdbd2cSJim Jagielski virtual ~DefaultTextLayout(); 69*b1cdbd2cSJim Jagielski 70*b1cdbd2cSJim Jagielski // ITextLayout overridables 71*b1cdbd2cSJim Jagielski virtual long GetTextWidth( 72*b1cdbd2cSJim Jagielski const XubString& _rText, 73*b1cdbd2cSJim Jagielski xub_StrLen _nStartIndex, 74*b1cdbd2cSJim Jagielski xub_StrLen _nLength 75*b1cdbd2cSJim Jagielski ) const; 76*b1cdbd2cSJim Jagielski virtual void DrawText( 77*b1cdbd2cSJim Jagielski const Point& _rStartPoint, 78*b1cdbd2cSJim Jagielski const XubString& _rText, 79*b1cdbd2cSJim Jagielski xub_StrLen _nStartIndex, 80*b1cdbd2cSJim Jagielski xub_StrLen _nLength, 81*b1cdbd2cSJim Jagielski MetricVector* _pVector, 82*b1cdbd2cSJim Jagielski String* _pDisplayText 83*b1cdbd2cSJim Jagielski ); 84*b1cdbd2cSJim Jagielski virtual bool GetCaretPositions( 85*b1cdbd2cSJim Jagielski const XubString& _rText, 86*b1cdbd2cSJim Jagielski sal_Int32* _pCaretXArray, 87*b1cdbd2cSJim Jagielski xub_StrLen _nStartIndex, 88*b1cdbd2cSJim Jagielski xub_StrLen _nLength 89*b1cdbd2cSJim Jagielski ) const; 90*b1cdbd2cSJim Jagielski virtual xub_StrLen GetTextBreak( 91*b1cdbd2cSJim Jagielski const XubString& _rText, 92*b1cdbd2cSJim Jagielski long _nMaxTextWidth, 93*b1cdbd2cSJim Jagielski xub_StrLen _nStartIndex, 94*b1cdbd2cSJim Jagielski xub_StrLen _nLength 95*b1cdbd2cSJim Jagielski ) const; 96*b1cdbd2cSJim Jagielski virtual bool DecomposeTextRectAction() const; 97*b1cdbd2cSJim Jagielski 98*b1cdbd2cSJim Jagielski private: 99*b1cdbd2cSJim Jagielski OutputDevice& m_rTargetDevice; 100*b1cdbd2cSJim Jagielski }; 101*b1cdbd2cSJim Jagielski 102*b1cdbd2cSJim Jagielski //==================================================================== 103*b1cdbd2cSJim Jagielski //= ControlTextRenderer 104*b1cdbd2cSJim Jagielski //==================================================================== 105*b1cdbd2cSJim Jagielski class ReferenceDeviceTextLayout; 106*b1cdbd2cSJim Jagielski /** a class which allows rendering text of a Control onto a device, by taking into account the metrics of 107*b1cdbd2cSJim Jagielski a reference device. 108*b1cdbd2cSJim Jagielski */ 109*b1cdbd2cSJim Jagielski class ControlTextRenderer 110*b1cdbd2cSJim Jagielski { 111*b1cdbd2cSJim Jagielski public: 112*b1cdbd2cSJim Jagielski ControlTextRenderer( const Control& _rControl, OutputDevice& _rTargetDevice, OutputDevice& _rReferenceDevice ); 113*b1cdbd2cSJim Jagielski virtual ~ControlTextRenderer(); 114*b1cdbd2cSJim Jagielski 115*b1cdbd2cSJim Jagielski Rectangle DrawText( const Rectangle& _rRect, 116*b1cdbd2cSJim Jagielski const XubString& _rText, sal_uInt16 _nStyle = 0, 117*b1cdbd2cSJim Jagielski MetricVector* _pVector = NULL, String* _pDisplayText = NULL ); 118*b1cdbd2cSJim Jagielski 119*b1cdbd2cSJim Jagielski private: 120*b1cdbd2cSJim Jagielski ControlTextRenderer(); // never implemented 121*b1cdbd2cSJim Jagielski ControlTextRenderer( const ControlTextRenderer& ); // never implemented 122*b1cdbd2cSJim Jagielski ControlTextRenderer& operator=( const ControlTextRenderer& ); // never implemented 123*b1cdbd2cSJim Jagielski 124*b1cdbd2cSJim Jagielski private: 125*b1cdbd2cSJim Jagielski ::std::auto_ptr< ReferenceDeviceTextLayout > m_pImpl; 126*b1cdbd2cSJim Jagielski }; 127*b1cdbd2cSJim Jagielski 128*b1cdbd2cSJim Jagielski //........................................................................ 129*b1cdbd2cSJim Jagielski } // namespace vcl 130*b1cdbd2cSJim Jagielski //........................................................................ 131*b1cdbd2cSJim Jagielski 132*b1cdbd2cSJim Jagielski #endif // VCL_TEXTLAYOUT_HXX 133