[lmi-commits] [5825] Count down remaining delay on progress dialog

[Greg Chicares]

Revision: 5825
          http://svn.sv.gnu.org/viewvc/?view=rev&root=lmi&revision=5825
Author:   chicares
Date:     2013-11-10 20:58:14 +0000 (Sun, 10 Nov 2013)
Log Message:
-----------
Count down remaining delay on progress dialog

Modified Paths:
--------------
    lmi/trunk/progress_meter_wx.cpp

Modified: lmi/trunk/progress_meter_wx.cpp
===================================================================
--- lmi/trunk/progress_meter_wx.cpp     2013-11-10 14:01:31 UTC (rev 5824)
+++ lmi/trunk/progress_meter_wx.cpp     2013-11-10 20:58:14 UTC (rev 5825)
@@ -33,6 +33,7 @@
 #include <wx/progdlg.h>
 #include <wx/utils.h>                   // wxMilliSleep()
 
+#include <ios>                          // std::fixed, 
std::ios_base::precision()
 #include <sstream>
 
 namespace
@@ -107,12 +108,25 @@
 {
 }
 
+/// Sleep for the number of seconds given in the argument.
+///
+/// Sleep only for a tenth of a second at a time, to ensure that the
+/// application remains responsive--see:
+///   http://lists.nongnu.org/archive/html/lmi/2013-11/msg00006.html
+/// Count down the remaining delay to reassure end users that activity
+/// is taking place.
+
 void concrete_progress_meter::do_dawdle(int seconds)
 {
-    for(int i = 0; i < 10 * seconds; ++i)
+    std::ostringstream oss;
+    oss.precision(1);
+    oss << std::fixed;
+    for(int i = 10 * seconds; 0 < i; --i)
         {
         wxMilliSleep(100);
-        progress_dialog_.Update(count());
+        oss.str("");
+        oss << "Waiting " << 0.1 * i << " seconds for printer";
+        progress_dialog_.Update(count(), oss.str());
         }
 }