fltk/fluid/CodeEditor.h

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//
// Code editor widget for the Fast Light Tool Kit (FLTK).
// Syntax highlighting rewritten by erco@seriss.com 09/15/20.
//
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// Copyright 1998-2024 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#ifndef CodeEditor_h
#define CodeEditor_h
//
// Include necessary headers...
//
#include "StyleParse.h"
#include <FL/Fl.H>
#include <FL/Fl_Text_Buffer.H>
#include <FL/Fl_Text_Editor.H>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
// ---- CodeEditor declaration
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/**
A widget derived from Fl_Text_Editor that implements C++ code highlighting.
CodeEditor is used in Fluid whenever the user can edit C++ source
code or header text.
*/
class CodeEditor : public Fl_Text_Editor {
friend class StyleParse;
static Fl_Text_Display::Style_Table_Entry styletable[];
static void style_parse(const char *tbuff, char *sbuff, int len, char style);
static void style_unfinished_cb(int, void*);
static void style_update(int pos, int nInserted, int nDeleted,
int /*nRestyled*/, const char * /*deletedText*/,
void *cbArg);
static int auto_indent(int, CodeEditor* e);
public:
CodeEditor(int X, int Y, int W, int H, const char *L=0);
~CodeEditor();
void textsize(Fl_Fontsize s);
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/// access to protected member get_absolute_top_line_number()
int top_line() { return get_absolute_top_line_number(); }
/// access to protected member mTopLineNum
int scroll_row() { return mTopLineNum; }
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/// access to protected member mHorizOffset
int scroll_col() { return mHorizOffset; }
};
// ---- CodeViewer declaration
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/**
A widget derived from CodeEditor with highlighting for code blocks.
This widget is used by the codeview system to show the design's
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source and header code. The secondary highlighting show the text
part that corresponds to the selected widget(s).
*/
class CodeViewer : public CodeEditor {
public:
CodeViewer(int X, int Y, int W, int H, const char *L=0);
protected:
void draw() FL_OVERRIDE;
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/// Limit event handling to viewing, not editing
int handle(int ev) FL_OVERRIDE { return Fl_Text_Display::handle(ev); }
};
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// ---- Project File Text Viewer declaration
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/**
A text viewer with an additional highlighting color scheme.
*/
class TextViewer : public Fl_Text_Display {
public:
TextViewer(int X, int Y, int W, int H, const char *L=0);
~TextViewer();
void draw() FL_OVERRIDE;
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/// access to protected member get_absolute_top_line_number()
int top_line() { return get_absolute_top_line_number(); }
};
#endif // !CodeEditor_h