Changed ride vehicle list to have less padding (#18350)

Co-authored-by: Rik Smeets <30838294+rik-smeets@users.noreply.github.com>

distribution/changelog.txt

@@ -5,6 +5,7 @@
 - Improved: [#18214] Competition scenarios have received their own section.
 - Improved: [#18250] Added modern style file and folder pickers on Windows.
 - Improved: [#18332] Allow Inverted Roller Coaster to draw boosters.
+- Improved: [#18350] Changed ride vehicle list to have less padding.
 - Improved: [#18422] Allow adding images to music objects.
 - Improved: [#18428] [Plugin] Add widget description interfaces to documentation.
 - Change: [#17998] Show cursor when using inverted mouse dragging.

src/openrct2-ui/interface/Dropdown.h

@@ -56,6 +56,7 @@ void WindowDropdownShowColour(rct_window* w, rct_widget* widget, uint8_t dropdow
 void WindowDropdownShowColourAvailable(
     rct_window* w, rct_widget* widget, uint8_t dropdownColour, uint8_t selectedColour, uint32_t availableColours);
 uint32_t DropdownGetAppropriateImageDropdownItemsPerRow(uint32_t numItems);
+bool WindowDropDownHasMultipleColumns(size_t numItems);
 
 namespace Dropdown
 {

src/openrct2-ui/windows/Dropdown.cpp

@@ -473,3 +473,8 @@ uint32_t DropdownGetAppropriateImageDropdownItemsPerRow(uint32_t numItems)
 {
     return numItems < std::size(_appropriateImageDropdownItemsPerRow) ? _appropriateImageDropdownItemsPerRow[numItems] : 8;
 }
+
+bool WindowDropDownHasMultipleColumns(size_t numItems)
+{
+    return numItems > DROPDOWN_TEXT_MAX_ROWS;
+}

src/openrct2-ui/windows/Ride.cpp

@@ -2073,9 +2073,10 @@ static void WindowRideShowVehicleTypeDropdown(rct_window* w, rct_widget* widget)
     }
 
     rct_widget* dropdownWidget = widget - 1;
+    auto width = WindowDropDownHasMultipleColumns(numItems) ? dropdownWidget->width() - 24 : dropdownWidget->width();
     WindowDropdownShowTextCustomWidth(
         { w->windowPos.x + dropdownWidget->left, w->windowPos.y + dropdownWidget->top }, dropdownWidget->height() + 1,
-        w->colours[1], 0, Dropdown::Flag::StayOpen, numItems, widget->right - dropdownWidget->left);
+        w->colours[1], 0, Dropdown::Flag::StayOpen, numItems, width);
 
     // Find the current vehicle type in the ordered list.
     int32_t pos = 0;