GUI2: Move alternate create_rect() implementation to sdl/rect.hpp

gui/widgets/helper.*pp had an implementation creating a rectangle
from points. It was added to sdl/rect.hpp.

src/gui/widgets/helper.cpp

@@ -31,11 +31,6 @@
 
 namespace gui2
 {
-SDL_Rect create_rect(const point& origin, const point& size)
-{
-	return {origin.x, origin.y, size.x, size.y};
-}
-
 font::pango_text::FONT_STYLE decode_font_style(const std::string& style)
 {
 	static const std::map<std::string, font::pango_text::FONT_STYLE> font_style_map {

src/gui/widgets/helper.hpp

@@ -34,16 +34,6 @@ class map_formula_callable;
 
 namespace gui2
 {
-/**
- * Creates a rectangle.
- *
- * @param origin                  The top left corner.
- * @param size                    The width (x) and height (y).
- *
- * @returns                       SDL_Rect with the proper rectangle.
- */
-SDL_Rect create_rect(const point& origin, const point& size);
-
 /**
  * Converts a color string to a color.
  *

src/gui/widgets/widget.cpp

@@ -311,7 +311,7 @@ point widget::get_size() const
 
 SDL_Rect widget::get_rectangle() const
 {
-	return create_rect(get_origin(), get_size());
+	return sdl::create_rect(get_origin(), get_size());
 }
 
 int widget::get_x() const

src/sdl/rect.hpp

@@ -40,6 +40,19 @@ inline SDL_Rect create_rect(const int x, const int y, const int w, const int h)
 	return {x, y, w, h};
 }
 
+/**
+ * Creates a rectangle.
+ *
+ * @param origin                  The top left corner.
+ * @param size                    The width (x) and height (y).
+ *
+ * @returns                       SDL_Rect with the proper rectangle.
+ */
+inline SDL_Rect create_rect(const point& origin, const point& size)
+{
+	return {origin.x, origin.y, size.x, size.y};
+}
+
 /**
  * Tests whether a point is inside a rectangle.
  *