Restructure source and resource files (#46)

importantly, res is now res/res and css is now res/css

src/util.hpp

@@ -0,0 +1,119 @@
+#pragma once
+#include <cctype>
+#include <algorithm>
+#include <cstdlib>
+#include <vector>
+#include <functional>
+#include <iterator>
+#include <sstream>
+#include <string>
+#include <iomanip>
+#include <regex>
+#include <mutex>
+#include <condition_variable>
+#include <optional>
+#include <type_traits>
+#include <gtkmm.h>
+
+namespace util {
+template<typename T>
+struct is_optional : ::std::false_type {};
+
+template<typename T>
+struct is_optional<::std::optional<T>> : ::std::true_type {};
+
+bool IsFolder(std::string_view path);
+
+bool IsFile(std::string_view path);
+} // namespace util
+
+class Semaphore {
+public:
+    Semaphore(int count = 0);
+    void notify();
+    void wait();
+
+private:
+    std::mutex m_mutex;
+    std::condition_variable m_cv;
+    int m_count;
+};
+
+void LaunchBrowser(Glib::ustring url);
+void GetImageDimensions(int inw, int inh, int &outw, int &outh, int clampw = 400, int clamph = 300);
+std::string IntToCSSColor(int color);
+Gdk::RGBA IntToRGBA(int color);
+void AddWidgetMenuHandler(Gtk::Widget *widget, Gtk::Menu &menu);
+void AddWidgetMenuHandler(Gtk::Widget *widget, Gtk::Menu &menu, sigc::slot<void()> pre_callback);
+std::vector<std::string> StringSplit(const std::string &str, const char *delim);
+std::string GetExtension(std::string url);
+bool IsURLViewableImage(const std::string &url);
+std::vector<uint8_t> ReadWholeFile(std::string path);
+std::string HumanReadableBytes(uint64_t bytes);
+std::string FormatISO8601(const std::string &in, int extra_offset = 0, const std::string &fmt = "%x %X");
+void AddPointerCursor(Gtk::Widget &widget);
+
+template<typename T>
+struct Bitwise {
+    static const bool enable = false;
+};
+
+template<typename T>
+typename std::enable_if<Bitwise<T>::enable, T>::type operator|(T a, T b) {
+    using x = typename std::underlying_type<T>::type;
+    return static_cast<T>(static_cast<x>(a) | static_cast<x>(b));
+}
+
+template<typename T>
+typename std::enable_if<Bitwise<T>::enable, T>::type operator|=(T &a, T b) {
+    using x = typename std::underlying_type<T>::type;
+    a = static_cast<T>(static_cast<x>(a) | static_cast<x>(b));
+    return a;
+}
+
+template<typename T>
+typename std::enable_if<Bitwise<T>::enable, T>::type operator&(T a, T b) {
+    using x = typename std::underlying_type<T>::type;
+    return static_cast<T>(static_cast<x>(a) & static_cast<x>(b));
+}
+
+template<typename T>
+typename std::enable_if<Bitwise<T>::enable, T>::type operator&=(T &a, T b) {
+    using x = typename std::underlying_type<T>::type;
+    a = static_cast<T>(static_cast<x>(a) & static_cast<x>(b));
+    return a;
+}
+
+template<typename T>
+typename std::enable_if<Bitwise<T>::enable, T>::type operator~(T a) {
+    return static_cast<T>(~static_cast<typename std::underlying_type<T>::type>(a));
+}
+
+template<typename T>
+inline void AlphabeticalSort(T start, T end, std::function<std::string(const typename std::iterator_traits<T>::value_type &)> get_string) {
+    std::sort(start, end, [&](const auto &a, const auto &b) -> bool {
+        const std::string &s1 = get_string(a);
+        const std::string &s2 = get_string(b);
+
+        if (s1.empty() || s2.empty())
+            return s1 < s2;
+
+        bool ac[] = {
+            !isalnum(s1[0]),
+            !isalnum(s2[0]),
+            !!isdigit(s1[0]),
+            !!isdigit(s2[0]),
+            !!isalpha(s1[0]),
+            !!isalpha(s2[0]),
+        };
+
+        if ((ac[0] && ac[1]) || (ac[2] && ac[3]) || (ac[4] && ac[5]))
+            return s1 < s2;
+
+        return ac[0] || ac[5];
+    });
+}
+
+void ScrollListBoxToSelected(Gtk::ListBox &list);
+
+bool StringContainsCaseless(const Glib::ustring &str, const Glib::ustring &sub);