mirror of https://github.com/fltk/fltk
154 lines
4.8 KiB
C++
154 lines
4.8 KiB
C++
//
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// Fl_File_Icon definitions.
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//
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// Copyright 1999-2010 by Michael Sweet.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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/* \file
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Fl_File_Icon widget . */
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//
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// Include necessary header files...
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//
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#ifndef _Fl_Fl_File_Icon_H_
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# define _Fl_Fl_File_Icon_H_
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# include "Fl.H"
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//
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// Special color value for the icon color.
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//
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# define FL_ICON_COLOR (Fl_Color)0xffffffff /**< icon color [background?]*/
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//
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// Fl_File_Icon class...
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//
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/**
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The Fl_File_Icon class manages icon images that can be used
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as labels in other widgets and as icons in the FileBrowser widget.
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*/
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class FL_EXPORT Fl_File_Icon { //// Icon data
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static Fl_File_Icon *first_; // Pointer to first icon/filetype
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Fl_File_Icon *next_; // Pointer to next icon/filetype
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const char *pattern_; // Pattern string
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int type_; // Match only if directory or file?
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int num_data_; // Number of data elements
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int alloc_data_; // Number of allocated elements
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short *data_; // Icon data
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public:
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enum // File types
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{
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ANY, // Any kind of file
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PLAIN, // Only plain files
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FIFO, // Only named pipes
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DEVICE, // Only character and block devices
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LINK, // Only symbolic links
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DIRECTORY // Only directories
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};
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enum // Data opcodes
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{
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END, // End of primitive/icon
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COLOR, // Followed by color value (2 shorts)
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LINE, // Start of line
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CLOSEDLINE, // Start of closed line
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POLYGON, // Start of polygon
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OUTLINEPOLYGON, // Followed by outline color (2 shorts)
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VERTEX // Followed by scaled X,Y
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};
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Fl_File_Icon(const char *p, int t, int nd = 0, short *d = 0);
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~Fl_File_Icon();
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short *add(short d);
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/**
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Adds a color value to the icon array, returning a pointer to it.
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\param[in] c color value
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*/
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short *add_color(Fl_Color c)
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{ short *d = add((short)COLOR); add((short)(c >> 16)); add((short)c); return (d); }
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/**
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Adds a vertex value to the icon array, returning a pointer to it.
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The integer version accepts coordinates from 0 to 10000.
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The origin (0.0) is in the lower-lefthand corner of the icon.
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\param[in] x, y vertex coordinates
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*/
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short *add_vertex(int x, int y)
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{ short *d = add((short)VERTEX); add((short)x); add((short)y); return (d); }
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/**
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Adds a vertex value to the icon array, returning a pointer to it.
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The floating point version goes from 0.0 to 1.0.
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The origin (0.0) is in the lower-lefthand corner of the icon.
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\param[in] x, y vertex coordinates
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*/
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short *add_vertex(float x, float y)
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{ short *d = add((short)VERTEX); add((short)(x * 10000.0));
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add((short)(y * 10000.0)); return (d); }
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/** Clears all icon data from the icon.*/
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void clear() { num_data_ = 0; }
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void draw(int x, int y, int w, int h, Fl_Color ic, int active = 1);
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void label(Fl_Widget *w);
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static void labeltype(const Fl_Label *o, int x, int y, int w, int h, Fl_Align a);
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void load(const char *f);
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int load_fti(const char *fti);
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int load_image(const char *i);
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/** Returns next file icon object. See Fl_File_Icon::first() */
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Fl_File_Icon *next() { return (next_); }
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/** Returns the filename matching pattern for the icon.*/
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const char *pattern() { return (pattern_); }
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/** Returns the number of words of data used by the icon.*/
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int size() { return (num_data_); }
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/**
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Returns the filetype associated with the icon, which can be one of the
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following:
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\li Fl_File_Icon::ANY, any kind of file.
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\li Fl_File_Icon::PLAIN, plain files.
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\li Fl_File_Icon::FIFO, named pipes.
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\li Fl_File_Icon::DEVICE, character and block devices.
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\li Fl_File_Icon::LINK, symbolic links.
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\li Fl_File_Icon::DIRECTORY, directories.
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*/
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int type() { return (type_); }
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/** Returns the data array for the icon.*/
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short *value() { return (data_); }
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static Fl_File_Icon *find(const char *filename, int filetype = ANY);
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/** Returns a pointer to the first icon in the list.*/
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static Fl_File_Icon *first() { return (first_); }
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static void load_system_icons(void);
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};
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#endif // !_Fl_Fl_File_Icon_H_
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