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authorRyan Pavlik <rpavlik@iastate.edu>2011-10-31 15:17:59 (GMT)
committerRyan Pavlik <rpavlik@iastate.edu>2011-10-31 15:51:51 (GMT)
commitafa870802ba4296a4ce8c2b9185250f8da1124ca (patch)
treeebc9e37277da53daa465c55ad05a16cd9547b17a /src
parentd5b58a8033233743b2ff1a6e88eb2d75b54c66ec (diff)
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FbTk/App.cc: make startup failure easier to diagnose
Diffstat (limited to 'src')
-rw-r--r--src/FbTk/App.cc9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/FbTk/App.cc b/src/FbTk/App.cc
index 8157839..f494a0e 100644
--- a/src/FbTk/App.cc
+++ b/src/FbTk/App.cc
@@ -60,8 +60,13 @@ App::App(const char *displayname):m_done(false), m_display(0) {
60 if (displayname != 0 && displayname[0] == '\0') 60 if (displayname != 0 && displayname[0] == '\0')
61 displayname = 0; 61 displayname = 0;
62 m_display = XOpenDisplay(displayname); 62 m_display = XOpenDisplay(displayname);
63 if (!m_display) 63 if (!m_display) {
64 throw std::string("Couldn't connect to XServer"); 64 if (displayname) {
65 throw std::string("Couldn't connect to XServer") + displayname;
66 } else {
67 throw std::string("Couldn't connect to XServer passing null display");
68 }
69 }
65 70
66 FbStringUtil::init(); 71 FbStringUtil::init();
67} 72}