/***************************************************************************
- * Copyright (C) 2005-2013 by the Quassel Project *
+ * Copyright (C) 2005-2018 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
-#ifndef HAVE_KDE
-
#include "icon.h"
-#include "iconloader.h"
-Icon::Icon() : QIcon()
-{
-}
+#include <set>
+
+#include <QDebug>
+
+namespace icon {
+namespace {
-Icon::Icon(const QString &name) : QIcon()
+void printWarning(const QString &iconName, const QString &extra = {})
{
- addPixmap(IconLoader::global()->loadIcon(name, IconLoader::Desktop));
+ static std::set<QString> warnedAbout;
+ if (warnedAbout.insert(iconName).second) {
+ qWarning() << "Missing icon:" << iconName << qPrintable(extra);
+ }
+}
+
}
-Icon::Icon(const QIcon ©) : QIcon(copy)
+QIcon get(const QString &iconName, const QString &fallbackPath)
{
+ return get(std::vector<QString>{iconName}, fallbackPath);
}
-Icon &Icon::operator=(const Icon &other)
+QIcon get(const std::vector<QString> &iconNames, const QString &fallbackPath)
{
- if (this != &other) {
- QIcon::operator=(other);
+ for (auto &&iconName : iconNames) {
+ // Exact match
+ if (QIcon::hasThemeIcon(iconName)) {
+ return QIcon::fromTheme(iconName);
+ }
}
- return *this;
-}
+ for (auto &&iconName : iconNames) {
+ // Try to get something from the theme anyway (i.e. a more generic fallback)
+ QIcon fallback = QIcon::fromTheme(iconName);
+ if (!fallback.availableSizes().isEmpty()) {
+ printWarning(iconName, QString{"(using fallback: \"%1\")"}.arg(fallback.name()));
+ return fallback;
+ }
+ }
+
+ // Build error string
+ QStringList requested;
+ for (auto &&iconName : iconNames) {
+ requested << iconName;
+ }
+ QString missing = "{" + requested.join(", ") + "}";
+
+ // Nothing from the theme, so try to load from path if given
+ if (!fallbackPath.isEmpty()) {
+ QIcon fallback{fallbackPath};
+ if (!fallback.availableSizes().isEmpty()) {
+ printWarning(missing, QString{"(using fallback: \"%1\")"}.arg(fallbackPath));
+ return fallback;
+ }
+ }
+
+ // Meh.
+ printWarning(missing);
+ return {};
+}
-#endif
+}