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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>&lt;<VAR>pcehome</VAR>&gt;/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>&lt;<VAR>pcehome</VAR>&gt;/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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