qt: add network-specific style object

Mainly cleanups: Gets rid of isTestNet everywhere, by keeping track
of network-specific theming in a central place.

Also makes GUI no longer dependent on the network ID enumeration, which
alleviates concerns about #4802.

1 files changed, 47 insertions, 0 deletions

diff --git a/src/qt/networkstyle.cpp b/src/qt/networkstyle.cpp
new file mode 100644
index 0000000000..62c44703f4
--- /dev/null
+++ b/src/qt/networkstyle.cpp
@@ -0,0 +1,47 @@
+// Copyright (c) 2014 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "networkstyle.h"
+
+#include "guiconstants.h"
+
+#include <QApplication>
+
+static const struct {
+    const char *networkId;
+    const char *appName;
+    const char *appIcon;
+    const char *titleAddText;
+    const char *splashImage;
+} network_styles[] = {
+    {"main", QAPP_APP_NAME_DEFAULT, ":/icons/bitcoin", "", ":/images/splash"},
+    {"test", QAPP_APP_NAME_TESTNET, ":/icons/bitcoin_testnet", QT_TRANSLATE_NOOP("SplashScreen", "[testnet]"), ":/images/splash_testnet"},
+    {"regtest", QAPP_APP_NAME_TESTNET, ":/icons/bitcoin_testnet", "[regtest]", ":/images/splash_testnet"}
+};
+static const unsigned network_styles_count = sizeof(network_styles)/sizeof(*network_styles);
+
+// titleAddText needs to be const char* for tr()
+NetworkStyle::NetworkStyle(const QString &appName, const QString &appIcon, const char *titleAddText, const QString &splashImage):
+    appName(appName),
+    appIcon(appIcon),
+    titleAddText(qApp->translate("SplashScreen", titleAddText)),
+    splashImage(splashImage)
+{
+}
+
+const NetworkStyle *NetworkStyle::instantiate(const QString &networkId)
+{
+    for (unsigned x=0; x<network_styles_count; ++x)
+    {
+        if (networkId == network_styles[x].networkId)
+        {
+            return new NetworkStyle(
+                    network_styles[x].appName,
+                    network_styles[x].appIcon,
+                    network_styles[x].titleAddText,
+                    network_styles[x].splashImage);
+        }
+    }
+    return 0;
+}