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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6138 a592a061-630c-0410-9148-cb99ea01b6c8
119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
// -*- C++ -*-
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/**
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* \file xforms_helpers.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS
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*/
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#ifndef XFORMSHELPERS_H
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#define XFORMSHELPERS_H
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#include "forms_fwd.h"
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#include "Color.h"
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#include "LString.h"
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#include <algorithm>
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#include <vector>
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class LyXLength;
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// A wrapper for the xforms routine, but this one accepts uint args
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unsigned long fl_getmcolor(int i, unsigned int * r, unsigned int * g,
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unsigned int * b);
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// what we always need for lengths
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string const choice_Length_All =
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"cm|mm|in|text%%|col%%|page%%|line%%|ex|em|pt|sp|bp|dd|pc|cc|mu";
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string const choice_Length_WithUnit =
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"cm|mm|in|ex|em|pt|sp|bp|dd|pc|cc|mu"; // all with a Unit
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/// return the (in)active state of the object
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bool isActive(FL_OBJECT * ob);
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/// Set an FL_OBJECT to activated or deactivated
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void setEnabled(FL_OBJECT *, bool enable);
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/// Take a string and add breaks so that it fits into a desired label width, w
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string formatted(string const &label, int w,
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int = 12 /*FL_NORMAL_SIZE*/, int = 0 /*FL_NORMAL_STYLE*/);
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/// Given an fl_choice or an fl_browser, create a vector of its entries
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std::vector<string> const getVector(FL_OBJECT *);
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/** Given an fl_input, an fl_choice or an fl_browser, return an entry
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\c num is the position for the string, where 0 means "current item"
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*/
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string const getString(FL_OBJECT * ob, int num = 0);
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/// Given input and choice widgets, create a string such as "1cm"
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string getLengthFromWidgets(FL_OBJECT * input, FL_OBJECT * choice);
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/** Given a string such as "1cm", set the input and choice widgets.
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If the string is empty, the choice will be set to default_unit.
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*/
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void updateWidgetsFromLengthString(FL_OBJECT * input, FL_OBJECT * choice,
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string const & str,
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string const & default_unit);
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/** Given a LyXLength, set the input and choice widgets.
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If the length is null, the choice will be set to default_unit.
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*/
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void updateWidgetsFromLength(FL_OBJECT * input, FL_OBJECT * choice,
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LyXLength const & len,
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string const & default_unit);
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/** Return the position of val in the vector if found.
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If not found, return 0.
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*/
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template<class A>
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typename std::vector<A>::size_type
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findPos(std::vector<A> const & vec, A const & val)
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{
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typename std::vector<A>::const_iterator it =
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std::find(vec.begin(), vec.end(), val);
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if (it == vec.end())
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return 0;
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return std::distance(vec.begin(), it);
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}
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/// Called from Preferences when the cursor color is changed.
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void setCursorColor(int color);
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/// struct holding xform-specific colors
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struct XformsColor : public NamedColor {
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int colorID;
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XformsColor() : NamedColor(), colorID(0) {}
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static bool read(string const &);
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static bool write(string const &);
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};
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/** Some functions that perform some quite detailed tests to ascertain whether
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the directory or file is readable or writeable. If not, then an error
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message is placed in error_message. */
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class RWInfo {
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public:
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///
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static bool WriteableDir(string const & dir);
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///
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static bool ReadableDir(string const & dir);
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///
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static bool WriteableFile(string const & file);
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///
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static bool ReadableFile(string const & file);
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///
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static string const & ErrorMessage() { return error_message; }
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private:
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///
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static string error_message;
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};
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#endif // XFORMSHELPERS_H
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