renderer: add missing widget.cpp

src/renderer/widgets/IWidget.cpp

@@ -0,0 +1,57 @@
+#include "IWidget.hpp"
+#include "../../helpers/Log.hpp"
+#include <chrono>
+
+Vector2D IWidget::posFromHVAlign(const Vector2D& viewport, const Vector2D& size, const Vector2D& offset, const std::string& halign, const std::string& valign) {
+    Vector2D pos = offset;
+    if (halign == "center")
+        pos.x += viewport.x / 2.0 - size.x / 2.0;
+    else if (halign == "left")
+        pos.x += 0;
+    else if (halign == "right")
+        pos.x += viewport.x - size.x;
+    else if (halign != "none")
+        Debug::log(ERR, "IWidget: invalid halign {}", halign);
+
+    if (valign == "center")
+        pos.y += viewport.y / 2.0 - size.y / 2.0;
+    else if (valign == "top")
+        pos.y += viewport.y - size.y;
+    else if (valign == "bottom")
+        pos.y += size.y;
+    else if (valign != "none")
+        Debug::log(ERR, "IWidget: invalid halign {}", halign);
+
+    return pos;
+}
+
+static void replaceAll(std::string& str, const std::string& from, const std::string& to) {
+    if (from.empty())
+        return;
+    size_t pos = 0;
+    while ((pos = str.find(from, pos)) != std::string::npos) {
+        str.replace(pos, from.length(), to);
+        pos += to.length();
+    }
+}
+
+static std::string getTime() {
+    const auto HHMMSS = std::chrono::hh_mm_ss{std::chrono::system_clock::now() - std::chrono::floor<std::chrono::days>(std::chrono::system_clock::now())};
+    const auto HRS    = HHMMSS.hours().count();
+    const auto MINS   = HHMMSS.minutes().count();
+    return (HRS < 10 ? "0" : "") + std::to_string(HRS) + ":" + (MINS < 10 ? "0" : "") + std::to_string(MINS);
+}
+
+IWidget::SFormatResult IWidget::formatString(std::string in) {
+
+    IWidget::SFormatResult result;
+    replaceAll(in, "$USER", std::string{getlogin()});
+
+    if (in.contains("$TIME")) {
+        replaceAll(in, "$TIME", getTime());
+        result.updateEveryMs = result.updateEveryMs != 0 && result.updateEveryMs < 1000 ? result.updateEveryMs : 1000;
+    }
+
+    result.formatted = in;
+    return result;
+}