git subrepo clone (merge) https://github.com/HarbourMasters/otrgui.git OTRGui

subrepo:
  subdir:   "OTRGui"
  merged:   "a6066a251"
upstream:
  origin:   "https://github.com/HarbourMasters/otrgui.git"
  branch:   "master"
  commit:   "a6066a251"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

OTRGui/libs/raylib/examples/text/text_input_box.c

@@ -0,0 +1,127 @@
+/*******************************************************************************************
+*
+*   raylib [text] example - Input Box
+*
+*   This example has been created using raylib 3.5 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2017 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define MAX_INPUT_CHARS     9
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [text] example - input box");
+
+    char name[MAX_INPUT_CHARS + 1] = "\0";      // NOTE: One extra space required for null terminator char '\0'
+    int letterCount = 0;
+
+    Rectangle textBox = { screenWidth/2.0f - 100, 180, 225, 50 };
+    bool mouseOnText = false;
+
+    int framesCounter = 0;
+
+    SetTargetFPS(10);               // Set our game to run at 10 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (CheckCollisionPointRec(GetMousePosition(), textBox)) mouseOnText = true;
+        else mouseOnText = false;
+
+        if (mouseOnText)
+        {
+            // Set the window's cursor to the I-Beam
+            SetMouseCursor(MOUSE_CURSOR_IBEAM);
+
+            // Get char pressed (unicode character) on the queue
+            int key = GetCharPressed();
+
+            // Check if more characters have been pressed on the same frame
+            while (key > 0)
+            {
+                // NOTE: Only allow keys in range [32..125]
+                if ((key >= 32) && (key <= 125) && (letterCount < MAX_INPUT_CHARS))
+                {
+                    name[letterCount] = (char)key;
+                    name[letterCount+1] = '\0'; // Add null terminator at the end of the string.
+                    letterCount++;
+                }
+
+                key = GetCharPressed();  // Check next character in the queue
+            }
+
+            if (IsKeyPressed(KEY_BACKSPACE))
+            {
+                letterCount--;
+                if (letterCount < 0) letterCount = 0;
+                name[letterCount] = '\0';
+            }
+        }
+        else SetMouseCursor(MOUSE_CURSOR_DEFAULT);
+
+        if (mouseOnText) framesCounter++;
+        else framesCounter = 0;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawText("PLACE MOUSE OVER INPUT BOX!", 240, 140, 20, GRAY);
+
+            DrawRectangleRec(textBox, LIGHTGRAY);
+            if (mouseOnText) DrawRectangleLines((int)textBox.x, (int)textBox.y, (int)textBox.width, (int)textBox.height, RED);
+            else DrawRectangleLines((int)textBox.x, (int)textBox.y, (int)textBox.width, (int)textBox.height, DARKGRAY);
+
+            DrawText(name, (int)textBox.x + 5, (int)textBox.y + 8, 40, MAROON);
+
+            DrawText(TextFormat("INPUT CHARS: %i/%i", letterCount, MAX_INPUT_CHARS), 315, 250, 20, DARKGRAY);
+
+            if (mouseOnText)
+            {
+                if (letterCount < MAX_INPUT_CHARS)
+                {
+                    // Draw blinking underscore char
+                    if (((framesCounter/20)%2) == 0) DrawText("_", (int)textBox.x + 8 + MeasureText(name, 40), (int)textBox.y + 12, 40, MAROON);
+                }
+                else DrawText("Press BACKSPACE to delete chars...", 230, 300, 20, GRAY);
+            }
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+// Check if any key is pressed
+// NOTE: We limit keys check to keys between 32 (KEY_SPACE) and 126
+bool IsAnyKeyPressed()
+{
+    bool keyPressed = false;
+    int key = GetKeyPressed();
+
+    if ((key >= 32) && (key <= 126)) keyPressed = true;
+
+    return keyPressed;
+}