Make system open command configurable

A new volatile string option -openCommand has been added, which defaults
to "xdg-open". It is intended for use in the master settings file for
distributions that need another command for this.

diff --git a/args.h b/args.h
index 713e2ab..b29daa7 100644 (file)
--- a/args.h
+++ b/args.h
@@ -713,6 +713,7 @@ ArgDescriptor argDescriptors[] = {
   { "keepLineBreaksICS", ArgBoolean, (void *) &appData.noJoin, TRUE, INVALID },
   { "wrapContinuationSequence", ArgString, (void *) &appData.wrapContSeq, FALSE, INVALID },
   { "useInternalWrap", ArgTrue, (void *) &appData.useInternalWrap, FALSE, INVALID }, /* noJoin usurps this if set */
+  { "openCommand", ArgString, (void *) &appData.sysOpen, FALSE, "xdg-open" },
 
   // [HGM] placement: put all window layouts last in ini file, but man X,Y before all others
   { "minX", ArgZ, (void *) &minX, FALSE, INVALID }, // [HGM] placement: to make sure auxiliary windows can be placed

diff --git a/common.h b/common.h
index b433e68..d412462 100644 (file)
--- a/common.h
+++ b/common.h
@@ -654,6 +654,7 @@ typedef struct {
     char *fenOverride[ENGINES];
     char *features[ENGINES];
     char *featureDefaults;
+    char *sysOpen;
     Boolean keepAlive;  /* [HGM] alive     */
     Boolean forceIllegal;/*[HGM] illegal   */
     Boolean noJoin;     /* [HGM] join      */

diff --git a/xboard.c b/xboard.c
index 3dd9f65..80db398 100644 (file)
--- a/xboard.c
+++ b/xboard.c
@@ -6672,25 +6672,33 @@ BookProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
 void
 BugReportProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
 {
-    system("xdg-open mailto:bug-xboard@gnu.org");
+    char buf[MSG_SIZ];
+    snprintf(buf, MSG_SIZ, "%s mailto:bug-xboard@gnu.org", appData.sysOpen);
+    system(buf);
 }
 
 void
 GuideProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
 {
-    system("xdg-open http://www.gnu.org/software/xboard/user_guide/UserGuide.html");
+    char buf[MSG_SIZ];
+    snprintf(buf, MSG_SIZ, "%s http://www.gnu.org/software/xboard/user_guide/UserGuide.html", appData.sysOpen);
+    system(buf);
 }
 
 void
 HomePageProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
 {
-    system("xdg-open http://www.gnu.org/software/xboard/");
+    char buf[MSG_SIZ];
+    snprintf(buf, MSG_SIZ, "%s http://www.gnu.org/software/xboard/", appData.sysOpen);
+    system(buf);
 }
 
 void
 NewsPageProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
 {
-    system("xdg-open http://www.gnu.org/software/xboard/whats_new/portal.html");
+    char buf[MSG_SIZ];
+    snprintf(buf, MSG_SIZ, "%s http://www.gnu.org/software/xboard/whats_new/portal.html", appData.sysOpen);
+    system(buf);
 }
 
 void