OSX: Handle zonebg for first time installations

If none of the gameboard images is set and and the user’s data
directory doesn’t contain a “zonebg” directory, create the directory,
copy contents from cockatrice’s app bundle and sets the config
accordingly.

cockatrice/CMakeLists.txt

@@ -202,7 +202,8 @@ if(APPLE)
     install(CODE "
         file(WRITE \"\${CMAKE_INSTALL_PREFIX}/${qtconf_dest_dir}/qt.conf\" \"[Paths]
 Plugins = Plugins
-Translations = Resources/translations\")
+Translations = Resources/translations
+Data = Resources\")
     " COMPONENT Runtime)
 
     install(CODE "

cockatrice/src/main.cpp

@@ -133,6 +133,29 @@ int main(int argc, char *argv[])
         QDir().mkpath(dataDir + "/pics");
         settingsCache->setPicsPath(dataDir + "/pics");
     }
+
+#ifdef Q_OS_MAC
+    if(settingsCache->getHandBgPath().isEmpty() &&
+        settingsCache->getStackBgPath().isEmpty() &&
+        settingsCache->getTableBgPath().isEmpty() &&
+        settingsCache->getPlayerBgPath().isEmpty())
+    {
+        QString srcDir = QLibraryInfo::location(QLibraryInfo::DataPath);
+        QString destDir = dataDir + "/zonebg";
+        QDir tmpDir(destDir);
+        if(!tmpDir.exists())
+        {
+            // try to install the default images for the current user and set the settigs value
+            settingsCache->copyPath(srcDir + "/zonebg", destDir);
+
+            settingsCache->setHandBgPath(destDir + "/fabric_green.png");
+            settingsCache->setStackBgPath(destDir + "/fabric_red.png");
+            settingsCache->setTableBgPath(destDir + "/fabric_blue.png");
+            settingsCache->setPlayerBgPath(destDir + "/fabric_gray.png");
+        }
+    }
+#endif
+
     if (!settingsValid() || db->getLoadStatus() != Ok) {
         qDebug("main(): invalid settings or load status");
         DlgSettings dlgSettings;

cockatrice/src/settingscache.cpp

@@ -1,5 +1,6 @@
 #include "settingscache.h"
 #include <QSettings>
+#include <QDir>
 
 SettingsCache::SettingsCache()
 {
@@ -256,3 +257,28 @@ void SettingsCache::setMainWindowGeometry(const QByteArray &_mainWindowGeometry)
     mainWindowGeometry = _mainWindowGeometry;
     settings->setValue("interface/main_window_geometry", mainWindowGeometry);
 }
+
+void SettingsCache::copyPath(const QString &src, const QString &dst)
+{
+    // test source && return if inexistent
+    QDir dir(src);
+    if (! dir.exists())
+        return;
+    // test destination && create if inexistent
+    QDir tmpDir(dst);
+    if (!tmpDir.exists())
+    {
+        tmpDir.setPath(QDir::rootPath());
+        tmpDir.mkdir(dst);
+    }
+
+    foreach (QString d, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
+        QString dst_path = dst + QDir::separator() + d;
+        dir.mkpath(dst_path);
+        copyPath(src+ QDir::separator() + d, dst_path);
+    }
+
+    foreach (QString f, dir.entryList(QDir::Files)) {
+        QFile::copy(src + QDir::separator() + f, dst + QDir::separator() + f);
+    }
+}

cockatrice/src/settingscache.h

@@ -89,6 +89,7 @@ public:
     bool getIgnoreUnregisteredUsers() const { return ignoreUnregisteredUsers; }
     QString getPicUrl() const { return picUrl; }
     QString getPicUrlHq() const { return picUrlHq; }
+    void copyPath(const QString &src, const QString &dst);
 public slots:
     void setMainWindowGeometry(const QByteArray &_mainWindowGeometry);
     void setLang(const QString &_lang);