diff -r f31d1073345e -r ded882439548 QTfrontend/hwform.cpp
--- a/QTfrontend/hwform.cpp	Wed Jun 15 23:59:44 2011 +0200
+++ b/QTfrontend/hwform.cpp	Sat Jun 18 03:14:45 2011 +0200
@@ -182,9 +182,7 @@
     connect(ui.pageOptions->BtnDeleteTeam, SIGNAL(clicked()), this, SLOT(DeleteTeam()));
     connect(ui.pageOptions->BtnSaveOptions, SIGNAL(clicked()), config, SLOT(SaveOptions()));
     connect(ui.pageOptions->BtnSaveOptions, SIGNAL(clicked()), this, SLOT(GoBack()));
-#ifndef __APPLE__
     connect(ui.pageOptions->BtnAssociateFiles, SIGNAL(clicked()), this, SLOT(AssociateFiles()));
-#endif
 
     connect(ui.pageOptions->WeaponEdit, SIGNAL(clicked()), this, SLOT(GoToSelectWeapon()));
     connect(ui.pageOptions->WeaponNew, SIGNAL(clicked()), this, SLOT(GoToSelectNewWeapon()));
@@ -713,12 +711,18 @@
                 tr("Error"),
                 tr("Please select record from the list above"),
                 tr("OK"));
-        return ;
+        return;
     }
     CreateGame(0, 0, 0);
     game->PlayDemo(curritem->data(Qt::UserRole).toString());
 }
 
+void HWForm::PlayDemoQuick(const QString & demofilename)
+{
+    CreateGame(0, 0, 0);
+    game->PlayDemo(demofilename);
+}
+
 void HWForm::NetConnectServer(const QString & host, quint16 port)
 {
     _NetConnect(host, port, ui.pageOptions->editNetNick->text().trimmed());
@@ -1253,8 +1257,10 @@
     registry_hkcr.setValue("Hedgewars.Demo/Shell/Open/Command/Default", "\"" + bindir->absolutePath().replace("/", "\\") + "\\hwengine.exe\" \"" + cfgdir->absolutePath().replace("/","\\") + "\" \"" + datadir->absolutePath().replace("/", "\\") + "\" \"%1\" --set-everything "+arguments);
     registry_hkcr.setValue("Hedgewars.Save/Shell/Open/Command/Default", "\"" + bindir->absolutePath().replace("/", "\\") + "\\hwengine.exe\" \"" + cfgdir->absolutePath().replace("/","\\") + "\" \"" + datadir->absolutePath().replace("/", "\\") + "\" \"%1\" --set-everything "+arguments);
 #elif defined __APPLE__
-    success = false;
-    // TODO; also enable button in pages.cpp and signal in hwform.cpp
+    // only useful when other apps have taken precedence over our file extensions and you want to reset it
+    system("defaults write com.apple.LaunchServices LSHandlers -array-add '<dict><key>LSHandlerContentTag</key><string>hwd</string><key>LSHandlerContentTagClass</key><string>public.filename-extension</string><key>LSHandlerRoleAll</key><string>org.hedgewars.desktop</string></dict>'");
+    system("defaults write com.apple.LaunchServices LSHandlers -array-add '<dict><key>LSHandlerContentTag</key><string>hws</string><key>LSHandlerContentTagClass</key><string>public.filename-extension</string><key>LSHandlerRoleAll</key><string>org.hedgewars.desktop</string></dict>'");
+    system("/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -domain local -domain system -domain user");
 #else
     // this is a little silly due to all the system commands below anyway - just use mkdir -p ?  Does have the advantage of the alert I guess
     if (success) success = checkForDir(QDir::home().absolutePath() + "/.local");