2001-11-27 02:50:30 +03:00
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2006-10-29 17:16:03 +03:00
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<TITLE>G - Migrating Code from FLTK 1.0.x</TITLE>
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2001-11-27 02:50:30 +03:00
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2006-10-29 17:16:03 +03:00
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<H1 ALIGN="RIGHT"><A NAME="migration">G - Migrating Code from FLTK 1.0.x</A></H1>
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2001-11-27 02:50:30 +03:00
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<P>This appendix describes the differences between the FLTK
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1.0.x and FLTK 1.1.x functions and classes.</P>
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2002-03-25 21:30:16 +03:00
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<H2>Color Values</H2>
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<P>Color values are now stored in a 32-bit unsigned integer
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instead of the unsigned character in 1.0.x. This allows for the
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specification of 24-bit RGB values or 8-bit FLTK color indices.
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2005-12-19 16:33:08 +03:00
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<P><TT>FL_BLACK</TT> and <TT>FL_WHITE</TT> now remain black and
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white, even if the base color of the gray ramp is changed using
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<A HREF="Fl.html#Fl.background"><TT>Fl::background()</TT></A>.
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<TT>FL_DARK3</TT> and <TT>FL_LIGHT3</TT> can be used instead to
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draw a very dark or a very bright background hue.</P>
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<P>Widgets use the new color symbols <TT>FL_FORGROUND_COLOR</TT>,
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<TT>FL_BACKGROUND_COLOR</TT>, <TT>FL_BACKGROUND2_COLOR</TT>,
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<TT>FL_INACTIVE_COLOR</TT>, and <TT>FL_SELECTION_COLOR</TT>.
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More details can be found in the chapter
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<A HREF="enumerations.html#colors">Enumerations</A>.</P>
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2002-03-25 21:30:16 +03:00
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<H2>Cut and Paste Support</H2>
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<P>The FLTK clipboard is now broken into two parts - a local
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selection value and a cut-and-paste value. This allows FLTK to
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support things like highlighting and replacing text that was
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previously cut or copied, which makes FLTK applications behave
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like traditional GUI applications.
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<H2>File Chooser</H2>
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2001-11-27 02:50:30 +03:00
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<P>The file chooser in FLTK 1.1.x is significantly different
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than the one supplied with FLTK 1.0.x. Any code that directly
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2002-03-25 21:30:16 +03:00
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references the old <TT>FCB</TT> class or members will need
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to be ported to the new <A
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HREF="Fl_File_Chooser.html"><TT>Fl_File_Chooser</TT></A>
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class.</P>
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2002-03-26 00:08:42 +03:00
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<H2>Function Names</H2>
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<P>Some function names have changed from FLTK 1.0.x to 1.1.x in
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2002-06-24 19:22:57 +04:00
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order to avoid name space collisions. You can still use the old
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function names by defining the <CODE>FLTK_1_0_COMPAT</CODE>
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symbol on the command-line when you compile
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(<CODE>-DFLTK_1_0_COMPAT</CODE>) or in your source, e.g.:
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<UL><PRE>
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#define FLTK_1_0_COMPAT
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2007-05-17 19:52:15 +04:00
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#include <FL/Fl.H>
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#include <FL/Enumerations.H>
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#include <FL/filename.H>
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2002-06-24 19:22:57 +04:00
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</PRE></UL>
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<P>The following table shows the old and new function names:</P>
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2002-03-26 00:08:42 +03:00
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<CENTER><TABLE WIDTH="80%" BORDER="1">
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<TR>
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<TH>Old 1.0.x Name</TH>
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<TH>New 1.1.x Name</TH>
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</TR>
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<TR>
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<TD>contrast()</TD>
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<TD>fl_contrast()</TD>
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</TR>
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<TR>
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<TD>down()</TD>
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<TD>fl_down()</TD>
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</TR>
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<TR>
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<TD>filename_absolute()</TD>
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<TD>fl_filename_absolute()</TD>
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</TR>
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<TR>
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<TD>filename_expand()</TD>
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<TD>fl_filename_expand()</TD>
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</TR>
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<TR>
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<TD>filename_ext()</TD>
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<TD>fl_filename_ext()</TD>
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</TR>
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<TR>
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<TD>filename_isdir()</TD>
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<TD>fl_filename_isdir()</TD>
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</TR>
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<TR>
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<TD>filename_list()</TD>
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<TD>fl_filename_list()</TD>
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</TR>
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<TR>
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<TD>filename_match()</TD>
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<TD>fl_filename_match()</TD>
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</TR>
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<TR>
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<TD>filename_name()</TD>
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<TD>fl_filename_name()</TD>
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</TR>
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<TR>
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<TD>filename_relative()</TD>
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<TD>fl_filename_relative()</TD>
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</TR>
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2002-12-20 00:34:26 +03:00
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<TR>
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<TD>filename_setext()</TD>
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<TD>fl_filename_setext()</TD>
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</TR>
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2002-03-26 00:08:42 +03:00
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<TR>
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<TD>frame()</TD>
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<TD>fl_frame()</TD>
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</TR>
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<TR>
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<TD>inactive()</TD>
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<TD>fl_inactive()</TD>
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</TR>
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2002-05-02 15:11:01 +04:00
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<TR>
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<TD>numericsort()</TD>
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<TD>fl_numericsort()</TD>
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</TR>
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2002-03-26 00:08:42 +03:00
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</TABLE></CENTER>
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2002-03-25 21:30:16 +03:00
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<H2>Image Support</H2>
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<P>Image support in FLTK has been significantly revamped in
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1.1.x. The <A HREF="Fl_Image.html"><TT>Fl_Image</TT></A> class
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is now a proper base class, with the core image drawing
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functionality in the <A
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HREF="Fl_Bitmap.html"><TT>Fl_Bitmap</TT></A>, <A
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2002-03-27 15:40:59 +03:00
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HREF="Fl_Pixmap.html"><TT>Fl_Pixmap</TT></A>, and <A
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2002-03-25 21:30:16 +03:00
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HREF="Fl_RGB_Image.html"><TT>Fl_RGB_Image</TT></A> classes.
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<P>BMP, GIF, JPEG, PNG, XBM, and XPM image files can now be
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loaded using the appropriate image classes, and the <A
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HREF="Fl_Shared_Image.html"><TT>Fl_Shared_Image</TT></A> class
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can be used to cache images in memory.
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2001-11-27 02:50:30 +03:00
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2002-03-25 21:30:16 +03:00
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<P>Image labels are no longer provided as an add-on label type.
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If you use the old <TT>label()</TT> methods on an image, the
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widget's <TT>image()</TT> method is called to set the image
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as the label.
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2001-11-27 02:50:30 +03:00
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2002-04-26 14:33:03 +04:00
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<P>Image labels in menu items must still use the old labeltype
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mechanism to preserve source compatibility.
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2002-06-24 19:22:57 +04:00
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<H2>Keyboard Navigation</H2>
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<P>FLTK 1.1.x now supports keyboard navigation and control with
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all widgets. To restore the old FLTK 1.0.x behavior so that only
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text widgets get keyboard focus, call the <A
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HREF="Fl.html#Fl.visible_focus"><CODE>Fl::visible_focus()</CODE></A>
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method to disable it:
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<UL><PRE>
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Fl::visible_focus(0);
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</PRE></UL>
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2001-11-27 02:50:30 +03:00
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</BODY>
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</HTML>
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