hw/xwin: support SKIPTASKBAR style in XWinrc

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>

5 files changed, 30 insertions, 3 deletions

diff --git a/hw/xwin/man/XWinrc.man b/hw/xwin/man/XWinrc.man
index 0f641e92f..60b8ce1ec 100644
--- a/hw/xwin/man/XWinrc.man
+++ b/hw/xwin/man/XWinrc.man
@@ -200,7 +200,7 @@ will be used.
 .SH Style Instructions
 .TP 8
 .B STYLES {
-\fIclass-or-name-of-window\fP \fIstyle-keyword-1\fP \fIstyle-keyword-2\fP
+\fIclass-or-name-of-window\fP \fIstyle-keyword-1\fP \fIstyle-keyword-2\fP \fIstyle-keyword-3\fP
 .br
   \fI...\fP
 .br
@@ -245,8 +245,14 @@ No Windows title bar and just a thin-line border, for the class or name.
 .br
 No Windows title bar or border, for the class or name.
 
-One keyword in \fIstyle-keyword-1\fP can be used with one keyword in \fIstyle-keyword-2\fP,
-or any keyword can be used singly.
+\fIstyle-keyword-3\fP
+
+\fBSKIPTASKBAR\fP
+.br
+Omit the class or name from being listed in the Windows taskbar.
+
+Up to one keyword from each of these three groups can be used.  Not all
+groups need be used, and the keywords can be given in any order.
 
 
 .SH EXAMPLE
diff --git a/hw/xwin/winmultiwindowwm.c b/hw/xwin/winmultiwindowwm.c
index 3b8237a25..66b6d979f 100644
--- a/hw/xwin/winmultiwindowwm.c
+++ b/hw/xwin/winmultiwindowwm.c
@@ -2169,6 +2169,9 @@ winApplyHints(WMInfoPtr pWMInfo, Window iWindow, HWND hWnd, HWND * zstyle, Bool
             (hint & ~HINT_BORDER & ~HINT_CAPTION & ~HINT_SIZEBOX) |
             HINT_NOFRAME;
 
+    if (style & STYLE_SKIPTASKBAR)
+        hint |= HINT_SKIPTASKBAR;
+
     /* Now apply styles to window */
     style = GetWindowLongPtr(hWnd, GWL_STYLE);
     if (!style)
diff --git a/hw/xwin/winprefs.h b/hw/xwin/winprefs.h
index 702e5897d..c41710419 100644
--- a/hw/xwin/winprefs.h
+++ b/hw/xwin/winprefs.h
@@ -62,6 +62,7 @@ typedef enum MENUCOMMANDTYPE {
 #define STYLE_MAXIMIZE (1L<<4)  /* Open a window maximized                    */
 #define STYLE_MINIMIZE (1L<<5)  /* Open a window minimized                    */
 #define STYLE_BOTTOM   (1L<<6)  /* Open a window at the bottom of the Z order */
+#define STYLE_SKIPTASKBAR (1L<<7)  /* Omit from taskbar                       */
 
 /* Where to place a system menu */
 typedef enum MENUPOSITION {
diff --git a/hw/xwin/winprefslex.l b/hw/xwin/winprefslex.l
index 472c85658..e7547729c 100644
--- a/hw/xwin/winprefslex.l
+++ b/hw/xwin/winprefslex.l
@@ -77,6 +77,7 @@ BOTTOM                  { return BOTTOM; }
 NOTITLE                 { return NOTITLE; }
 OUTLINE                 { return OUTLINE; }
 NOFRAME                 { return NOFRAME; }
+SKIPTASKBAR             { return SKIPTASKBAR; }
 ROOTMENU                { return ROOTMENU; }
 DEFAULTSYSMENU          { return DEFAULTSYSMENU; }
 SYSMENU                 { return SYSMENU; }
diff --git a/hw/xwin/winprefsyacc.y b/hw/xwin/winprefsyacc.y
index 361e05de0..e4e305a0f 100644
--- a/hw/xwin/winprefsyacc.y
+++ b/hw/xwin/winprefsyacc.y
@@ -117,6 +117,7 @@ extern int yylex(void);
 %token NOTITLE
 %token OUTLINE
 %token NOFRAME
+%token SKIPTASKBAR
 %token DEFAULTSYSMENU
 %token SYSMENU
 %token ROOTMENU
@@ -140,6 +141,7 @@ extern int yylex(void);
 %token <sVal> STRING
 %type <uVal>  group1
 %type <uVal>  group2
+%type <uVal>  group3
 %type <uVal>  stylecombo
 %type <iVal>  atspot
 
@@ -246,10 +248,24 @@ group2:	NOTITLE { $$=STYLE_NOTITLE; }
 	| NOFRAME { $$=STYLE_NOFRAME; }
 	;
 
+group3: SKIPTASKBAR { $$=STYLE_SKIPTASKBAR; }
+	;
+
 stylecombo:	group1 { $$=$1; }
 	| group2 { $$=$1; }
+	| group3 { $$=$1; }
 	| group1 group2 { $$=$1|$2; }
+	| group1 group3 { $$=$1|$2; }
 	| group2 group1 { $$=$1|$2; }
+	| group2 group3 { $$=$1|$2; }
+	| group3 group1 { $$=$1|$2; }
+	| group3 group2 { $$=$1|$2; }
+	| group1 group2 group3 { $$=$1|$2|$3; }
+	| group1 group3 group2 { $$=$1|$2|$3; }
+	| group2 group1 group3 { $$=$1|$2|$3; }
+	| group2 group3 group1 { $$=$1|$2|$3; }
+	| group3 group1 group2 { $$=$1|$2|$3; }
+	| group3 group2 group1 { $$=$1|$2|$3; }
 	;
 
 styleline:	STRING stylecombo NEWLINE newline_or_nada { AddStyleLine($1, $2); free($1); }