Fixed console cursor rendering. (#13025)

Co-authored-by: Tulio Leao <tupaschoal@gmail.com>

distribution/changelog.txt

@@ -11,6 +11,7 @@
 - Fix: [#8957] Error title missing when building with insufficient funds
 - Fix: [#10186] Placing multiple saved rides ignores design name (original bug).
 - Fix: [#13021] Mowed grass and weeds don't show up in extra zoom levels.
+- Fix: [#13024] Console cursor does not correctly render at current cursor position.
 - Fix: [#13029] Not all Junior Roller Coaster pieces are shown when "Show all track pieces" cheat is enabled.
 - Fix: [#13044] Rides in RCT1 saves all have "0 customers per hour".
 - Fix: [#13074] Entrance and exit ghosts for mazes not being removed.

src/openrct2-ui/TextComposition.cpp

@@ -93,7 +93,7 @@ void TextComposition::HandleMessage(const SDL_Event* e)
                 Insert(newText);
                 Memory::Free(newText);
 
-                console.RefreshCaret();
+                console.RefreshCaret(_session.SelectionStart);
                 window_update_textbox();
             }
             break;
@@ -126,7 +126,7 @@ void TextComposition::HandleMessage(const SDL_Event* e)
             if (key == SDLK_BACKSPACE && (modifier & KEYBOARD_PRIMARY_MODIFIER))
             {
                 Clear();
-                console.RefreshCaret();
+                console.RefreshCaret(_session.SelectionStart);
                 window_update_textbox();
             }
 
@@ -141,17 +141,17 @@ void TextComposition::HandleMessage(const SDL_Event* e)
                         _session.SelectionSize = endOffset - _session.SelectionStart;
                         Delete();
 
-                        console.RefreshCaret();
+                        console.RefreshCaret(_session.SelectionStart);
                         window_update_textbox();
                     }
                     break;
                 case SDLK_HOME:
                     CursorHome();
-                    console.RefreshCaret();
+                    console.RefreshCaret(_session.SelectionStart);
                     break;
                 case SDLK_END:
                     CursorEnd();
-                    console.RefreshCaret();
+                    console.RefreshCaret(_session.SelectionStart);
                     break;
                 case SDLK_DELETE:
                 {
@@ -160,7 +160,7 @@ void TextComposition::HandleMessage(const SDL_Event* e)
                     _session.SelectionSize = _session.SelectionStart - startOffset;
                     _session.SelectionStart = startOffset;
                     Delete();
-                    console.RefreshCaret();
+                    console.RefreshCaret(_session.SelectionStart);
                     window_update_textbox();
                     break;
                 }
@@ -169,11 +169,11 @@ void TextComposition::HandleMessage(const SDL_Event* e)
                     break;
                 case SDLK_LEFT:
                     CursorLeft();
-                    console.RefreshCaret();
+                    console.RefreshCaret(_session.SelectionStart);
                     break;
                 case SDLK_RIGHT:
                     CursorRight();
-                    console.RefreshCaret();
+                    console.RefreshCaret(_session.SelectionStart);
                     break;
                 case SDLK_c:
                     if ((modifier & KEYBOARD_PRIMARY_MODIFIER) && _session.Length)

src/openrct2-ui/interface/InGameConsole.cpp

@@ -134,9 +134,13 @@ void InGameConsole::ScrollToEnd()
         _consoleScrollPos = std::max<int32_t>(0, static_cast<int32_t>(_consoleLines.size()) - maxLines);
 }
 
-void InGameConsole::RefreshCaret()
+void InGameConsole::RefreshCaret(size_t position)
 {
     _consoleCaretTicks = 0;
+    _selectionStart = position;
+    char tempString[TEXT_INPUT_SIZE] = { 0 };
+    std::memcpy(tempString, &_consoleCurrentLine, _selectionStart);
+    _caretScreenPosX = gfx_get_string_width(tempString);
 }
 
 void InGameConsole::Scroll(int32_t linesToScroll)
@@ -325,10 +329,9 @@ void InGameConsole::Draw(rct_drawpixelinfo* dpi) const
     // Draw caret
     if (_consoleCaretTicks < CONSOLE_CARET_FLASH_THRESHOLD)
     {
-        auto caret = screenCoords + ScreenCoordsXY{ gfx_get_string_width(_consoleCurrentLine), lineHeight };
+        auto caret = screenCoords + ScreenCoordsXY{ _caretScreenPosX, lineHeight };
-
         uint8_t caretColour = ColourMapA[BASE_COLOUR(textColour)].lightest;
-        gfx_fill_rect(dpi, { caret, caret + ScreenCoordsXY{ CONSOLE_CARET_WIDTH, 0 } }, caretColour);
+        gfx_fill_rect(dpi, { caret, caret + ScreenCoordsXY{ CONSOLE_CARET_WIDTH, 1 } }, caretColour);
     }
 
     // What about border colours?

src/openrct2-ui/interface/InGameConsole.h

@@ -35,6 +35,8 @@ namespace OpenRCT2::Ui
         utf8 _consoleHistory[CONSOLE_HISTORY_SIZE][CONSOLE_INPUT_SIZE];
         int32_t _consoleHistoryIndex = 0;
         int32_t _consoleHistoryCount = 0;
+        size_t _selectionStart = 0;
+        int32_t _caretScreenPosX = 0;
 
     public:
         InGameConsole();
@@ -53,7 +55,7 @@ namespace OpenRCT2::Ui
         void WriteLine(const std::string& s, uint32_t colourFormat) override;
 
         void Input(ConsoleInput input);
-        void RefreshCaret();
+        void RefreshCaret(size_t position = 0);
         void Scroll(int32_t linesToScroll);
 
         void Update();