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61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
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/** Collection of some useful xform helper functions
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*/
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#include <config.h>
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#include FORMS_H_LOCATION
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#ifdef __GNUG_
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#pragma implementation
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#endif
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#include <vector>
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#include "xform_helpers.h"
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using std::vector;
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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 & sin, int w, int size, int style )
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{
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string sout;
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if( sin.empty() ) return sout;
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// break sin up into a vector of individual words
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vector<string> sentence;
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string word;
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for( string::const_iterator sit = sin.begin();
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sit != sin.end(); ++sit ) {
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if( (*sit) == ' ' || (*sit) == '\n') {
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sentence.push_back(word);
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word.erase();
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} else {
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word += (*sit);
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}
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}
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// Flush remaining contents of word
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if( !word.empty() ) sentence.push_back(word);
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string line, l1;
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for( vector<string>::const_iterator vit = sentence.begin();
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vit != sentence.end(); ++vit ) {
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if( !l1.empty() ) l1 += ' ';
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l1 += (*vit);
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int length = fl_get_string_width(style, size, l1.c_str(),
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int(l1.length()));
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if( length >= w ) {
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if( !sout.empty() ) sout += '\n';
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sout += line;
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l1 = (*vit);
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}
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line = l1;
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}
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// Flush remaining contents of line
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if( !line.empty() ) {
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if( !sout.empty() ) sout += '\n';
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sout += line;
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}
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return sout;
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}
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