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<H2><A NAME="sec:B.4"><SPAN class="sec-nr">B.4</SPAN> <SPAN class="sec-title">Accessing
Windows Colours</SPAN></A></H2>
<P>Colours may be created from their X11 names. The X11 name-table is in
<CODE><<VAR>pcehome</VAR>>/lib/rgb.txt</CODE>. In the Windows API,
all colours described as <A NAME="idx:RGB:642">RGB</A> (Red, Green,
Blue) tuples. This is no problem as <font size=-1>XPCE</font> also
provides RGB colours. Note however that Win32 intensity is ranged
0..255, where the <font size=-1>XPCE</font> intensity is ranged
0..65535. This is true on all <font size=-1>XPCE</font>'s platforms.
<P>To provide access to the window-system colours as they can be
obtained using the Win32 API function GetSysColor(), <font size=-1>XPCE</font>
binds these colours to named colour objects. These colour objects are
normally used in the <font size=-1>XPCE</font> resource file (<CODE><<VAR>pcehome</VAR>>/Defaults</CODE>)
to colour
<font size=-1>XPCE</font>'s controller objects according to the user's
preferences.
<P>If the name of the Windows API colours are COLOR_SOMETHING, the <font size=-1>XPCE</font>
name is <CODE>win_something</CODE>. The full list is in <A class="tab" href="sec-B.4.html#tab:wincolours">table
10</A>.
<P>
<CENTER>
<TABLE BORDER=2 FRAME=box RULES=groups>
<TR VALIGN=top><TD><CODE>win_3ddkshadow</CODE> </TD><TD>Dark shadow for
three-dimensional display elements. </TD></TR>
<TR VALIGN=top><TD><CODE>win_3dface</CODE> </TD></TR>
<TR VALIGN=top><TD><CODE>win_btnface</CODE> </TD><TD>Face color for
three-dimensional display elements. </TD></TR>
<TR VALIGN=top><TD><CODE>win_3dhilight</CODE> </TD></TR>
<TR VALIGN=top><TD><CODE>win_3dhighlight</CODE> </TD></TR>
<TR VALIGN=top><TD><CODE>win_btnhilight</CODE> </TD></TR>
<TR VALIGN=top><TD><CODE>win_btnhighlight</CODE> </TD><TD>Highlight
color for three-dimensional display elements </TD></TR>
<TR VALIGN=top><TD><CODE>win_3dlight</CODE> </TD><TD>Light color for
three-dimensional display elements </TD></TR>
<TR VALIGN=top><TD><CODE>win_3dshadow</CODE> </TD></TR>
<TR VALIGN=top><TD><CODE>win_btnshadow</CODE> </TD><TD>Shadow color for
three-dimensional display elements </TD></TR>
<TR VALIGN=top><TD><CODE>win_activeborder</CODE> </TD><TD>Active window
border. </TD></TR>
<TR VALIGN=top><TD><CODE>win_activecaption</CODE> </TD><TD>Active window
title bar. </TD></TR>
<TR VALIGN=top><TD><CODE>win_appworkspace</CODE> </TD><TD>Background
color of MDI applications. </TD></TR>
<TR VALIGN=top><TD><CODE>win_background</CODE> </TD></TR>
<TR VALIGN=top><TD><CODE>win_desktop</CODE> </TD><TD>Desktop. </TD></TR>
<TR VALIGN=top><TD><CODE>win_btntext</CODE> </TD><TD>Text on push
buttons. </TD></TR>
<TR VALIGN=top><TD><CODE>win_captiontext</CODE> </TD><TD>Text in
caption, size box, and scroll bar arrow box. </TD></TR>
<TR VALIGN=top><TD><CODE>win_gradientactivecaption</CODE> </TD><TD>Right
side color of an active window's title bar. </TD></TR>
<TR VALIGN=top><TD><CODE>win_activecaption</CODE> </TD><TD>specifies the
left side color. </TD></TR>
<TR VALIGN=top><TD><CODE>win_gradientinactivecaption</CODE> </TD><TD>Right
side color of an inactive window's title bar. </TD></TR>
<TR VALIGN=top><TD><CODE>win_inactivecaption</CODE> </TD><TD>specifies
the left side color. </TD></TR>
<TR VALIGN=top><TD><CODE>win_graytext</CODE> </TD><TD>Grayed (disabled)
text. </TD></TR>
<TR VALIGN=top><TD><CODE>win_highlight</CODE> </TD><TD>Item(s) selected
in a control. </TD></TR>
<TR VALIGN=top><TD><CODE>win_highlighttext</CODE> </TD><TD>Text of
item(s) selected in a control. </TD></TR>
<TR VALIGN=top><TD><CODE>win_hotlight</CODE> </TD><TD>Color for a
hot-tracked item. </TD></TR>
<TR VALIGN=top><TD><CODE>win_inactiveborder</CODE> </TD><TD>Inactive
window border. </TD></TR>
<TR VALIGN=top><TD><CODE>win_inactivecaption</CODE> </TD><TD>Inactive
window caption. </TD></TR>
<TR VALIGN=top><TD><CODE>win_inactivecaptiontext</CODE> </TD><TD>Color
of text in an inactive caption. </TD></TR>
<TR VALIGN=top><TD><CODE>win_infobk</CODE> </TD><TD>Background color for
tooltip controls. </TD></TR>
<TR VALIGN=top><TD><CODE>win_infotext</CODE> </TD><TD>Text color for
tooltip controls. </TD></TR>
<TR VALIGN=top><TD><CODE>win_menu</CODE> </TD><TD>Menu background. </TD></TR>
<TR VALIGN=top><TD><CODE>win_menutext</CODE> </TD><TD>Text in menus. </TD></TR>
<TR VALIGN=top><TD><CODE>win_scrollbar</CODE> </TD><TD>Scroll bar gray
area. </TD></TR>
<TR VALIGN=top><TD><CODE>win_window</CODE> </TD><TD>Window background. </TD></TR>
<TR VALIGN=top><TD><CODE>win_windowframe</CODE> </TD><TD>Window frame. </TD></TR>
<TR VALIGN=top><TD><CODE>win_windowtext</CODE> </TD><TD>Text in windows </TD></TR>
</TABLE>
</CENTER>
<TABLE ALIGN=center WIDTH="75%"><TR><TD>
<B>Table 10 : </B>Windows colour name mapping</TABLE>
<A NAME="tab:wincolours"></A>
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