1 files changed, 98 insertions, 0 deletions
diff --git a/src/MessageBox.h b/src/MessageBox.h
new file mode 100644
index 0000000..0e1fa8f
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+++ b/src/MessageBox.h
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+//========================================================================
+// dng
+//------------------------------------------------------------------------
+// Copyright (c) 2022 Steph Enders <steph@senders.io>
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would
+//    be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+//    be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+//    distribution.
+//
+//========================================================================
+
+#ifndef DNG_MESSAGE_BOX_H
+#define DNG_MESSAGE_BOX_H
+
+#include "SFML/Graphics/RectangleShape.hpp"
+#include "SFML/Graphics/Text.hpp"
+#include "SfmlUtils.h"
+#include <vector>
+
+const int LARGE_TEXT = 54;
+const int MEDIUM_TEXT = 36;
+const int SMALL_TEXT = 24;
+const float PADDING = 16.f;
+const float LINE_HEIGHT = 1.2f;
+struct MessageBox {
+
+  std::vector<sf::Text> msgs;
+  sf::RectangleShape box;
+
+} typedef MessageBox;
+
+struct DisplayText {
+  std::string msg;
+  int textSize;
+} typedef DisplayText;
+
+inline MessageBox initializeMessageBox(const std::vector<DisplayText> &strs,
+                                       const sf::Font &font,
+                                       sf::Vector2u windowSize) {
+
+  std::vector<sf::Text> messages;
+  sf::RectangleShape box;
+  float width = 0.f;
+  float height = 0.f;
+  float left = MAXFLOAT;
+  sf::Text prev;
+  for (const auto &str : strs) {
+    sf::Text text = write_text(str.msg.c_str(), str.textSize, LINE_HEIGHT, font,
+                               windowSize);
+    // move below previous
+    if (!prev.getString().isEmpty()) {
+      text.move(0.f, prev.getLocalBounds().height * prev.getLineSpacing());
+    }
+    // add to vector
+    messages.push_back(text);
+
+    // find widest
+    if (text.getGlobalBounds().width > width) {
+      width = text.getGlobalBounds().width;
+    }
+    // find leftmost
+    if (text.getGlobalBounds().left < left) {
+      left = text.getGlobalBounds().left;
+    }
+    // heights added together + line height
+    height += (text.getLocalBounds().height * text.getLineSpacing());
+    prev = text;
+  }
+  box = sf::RectangleShape(sf::Vector2f(width + PADDING, height + PADDING));
+  box.setOutlineColor(sf::Color::Black);
+  box.setOutlineThickness(4.f);
+  box.setFillColor(sf::Color(128, 128, 128, 128));
+  box.setPosition(left - (PADDING / 2.f),
+                  // Top will always be the first message
+                  messages[0].getGlobalBounds().top - (PADDING / 2.f));
+
+  return {
+      .msgs = messages,
+      .box = box,
+  };
+}
+
+#endif // DNG_MESSAGE_BOX_H
+\ No newline at end of file