Add search/filter functionality to object selection window

CHANGELOG.md

@@ -1,5 +1,6 @@
 23.01+ (???)
 ------------------------------------------------------------------------
+- Feature: [#1837]: Add search/filter functionality to object selection window.
 - Fix: [#1763] Title music does not stop when unchecked in options window.
 - Fix: [#1772] Toggling edge scrolling option does not work.
 - Fix: [#1798] Memory leak when resizing the window.

data/language/en-GB.yml

@@ -2326,3 +2326,4 @@ strings:
   2271: "Disable town expansion"
   2272: "{SMALLFONT}{COLOUR BLACK}When enabled, towns will not renew or expand over time"
   2273: "Complete scenario challenge"
+  2274: "Clear"

src/OpenLoco/src/Input/Keyboard.cpp

@@ -342,6 +342,16 @@ namespace OpenLoco::Input
                 }
             }
 
+            ti = WindowManager::find(WindowType::objectSelection);
+            if (ti != nullptr)
+            {
+                if (tryShortcut(Shortcut::screenshot, nextKey->keyCode, _keyModifier))
+                    continue;
+
+                Ui::Windows::ObjectSelectionWindow::handleInput(nextKey->charCode, nextKey->keyCode);
+                continue;
+            }
+
             ti = WindowManager::find(WindowType::editKeyboardShortcut);
             if (ti != nullptr)
             {

src/OpenLoco/src/Localisation/StringIds.h

@@ -1840,6 +1840,7 @@ namespace OpenLoco::StringIds
     constexpr string_id disableTownExpansion = 2271;
     constexpr string_id disableTownExpansion_tip = 2272;
     constexpr string_id completeChallenge = 2273;
+    constexpr string_id clearInput = 2274;
 
     constexpr string_id temporary_object_load_str_0 = 8192;
     constexpr string_id temporary_object_load_str_1 = 8193;

src/OpenLoco/src/Ui/TextInput.cpp

@@ -14,7 +14,7 @@ namespace OpenLoco::Ui::TextInput
     {
         if ((charCode >= SDLK_SPACE && charCode < SDLK_DELETE) || (charCode >= 159 && charCode <= 255))
         {
-            if (buffer.length() == inputLenLimit)
+            if (inputLenLimit > 0 && buffer.length() == inputLenLimit)
             {
                 return false;
             }
@@ -136,6 +136,14 @@ namespace OpenLoco::Ui::TextInput
         xOffset = std::clamp<int16_t>(xOffset, minOffset, maxOffset);
     }
 
+    void InputSession::clearInput()
+    {
+        buffer.clear();
+        cursorPosition = 0;
+        cursorFrame = 0;
+        xOffset = 0;
+    }
+
     // 0x004CEBFB
     void InputSession::sanitizeInput()
     {

src/OpenLoco/src/Ui/TextInput.h

@@ -30,6 +30,7 @@ namespace OpenLoco::Ui::TextInput
         bool handleInput(uint32_t charCode, uint32_t keyCode);
         bool needsReoffsetting(int16_t containerWidth);
         void calculateTextOffset(int16_t containerWidth);
+        void clearInput();
         void sanitizeInput();
     };
 }

src/OpenLoco/src/Ui/WindowManager.h

@@ -263,6 +263,7 @@ namespace OpenLoco::Ui::Windows
     {
         Window* open();
         bool tryCloseWindow();
+        void handleInput(uint32_t charCode, uint32_t keyCode);
     }
 
     namespace Options