1/*******************************************************************************************
2*
3* raylib [text] example - Input Box
4*
5* This example has been created using raylib 1.7 (www.raylib.com)
6* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
7*
8* Copyright (c) 2017 Ramon Santamaria (@raysan5)
9*
10********************************************************************************************/
11
12#include "raylib.h"
13
14#define MAX_INPUT_CHARS 9
15
16int main(void)
17{
18 // Initialization
19 //--------------------------------------------------------------------------------------
20 const int screenWidth = 800;
21 const int screenHeight = 450;
22
23 InitWindow(screenWidth, screenHeight, "raylib [text] example - input box");
24
25 char name[MAX_INPUT_CHARS + 1] = "\0"; // NOTE: One extra space required for line ending char '\0'
26 int letterCount = 0;
27
28 Rectangle textBox = { screenWidth/2 - 100, 180, 225, 50 };
29 bool mouseOnText = false;
30
31 int framesCounter = 0;
32
33 SetTargetFPS(10); // Set our game to run at 60 frames-per-second
34 //--------------------------------------------------------------------------------------
35
36 // Main game loop
37 while (!WindowShouldClose()) // Detect window close button or ESC key
38 {
39 // Update
40 //----------------------------------------------------------------------------------
41 if (CheckCollisionPointRec(GetMousePosition(), textBox)) mouseOnText = true;
42 else mouseOnText = false;
43
44 if (mouseOnText)
45 {
46 // Get pressed key (character) on the queue
47 int key = GetKeyPressed();
48
49 // Check if more characters have been pressed on the same frame
50 while (key > 0)
51 {
52 // NOTE: Only allow keys in range [32..125]
53 if ((key >= 32) && (key <= 125) && (letterCount < MAX_INPUT_CHARS))
54 {
55 name[letterCount] = (char)key;
56 letterCount++;
57 }
58
59 key = GetKeyPressed(); // Check next character in the queue
60 }
61
62 if (IsKeyPressed(KEY_BACKSPACE))
63 {
64 letterCount--;
65 name[letterCount] = '\0';
66
67 if (letterCount < 0) letterCount = 0;
68 }
69 }
70
71 if (mouseOnText) framesCounter++;
72 else framesCounter = 0;
73 //----------------------------------------------------------------------------------
74
75 // Draw
76 //----------------------------------------------------------------------------------
77 BeginDrawing();
78
79 ClearBackground(RAYWHITE);
80
81 DrawText("PLACE MOUSE OVER INPUT BOX!", 240, 140, 20, GRAY);
82
83 DrawRectangleRec(textBox, LIGHTGRAY);
84 if (mouseOnText) DrawRectangleLines(textBox.x, textBox.y, textBox.width, textBox.height, RED);
85 else DrawRectangleLines(textBox.x, textBox.y, textBox.width, textBox.height, DARKGRAY);
86
87 DrawText(name, textBox.x + 5, textBox.y + 8, 40, MAROON);
88
89 DrawText(FormatText("INPUT CHARS: %i/%i", letterCount, MAX_INPUT_CHARS), 315, 250, 20, DARKGRAY);
90
91 if (mouseOnText)
92 {
93 if (letterCount < MAX_INPUT_CHARS)
94 {
95 // Draw blinking underscore char
96 if (((framesCounter/20)%2) == 0) DrawText("_", textBox.x + 8 + MeasureText(name, 40), textBox.y + 12, 40, MAROON);
97 }
98 else DrawText("Press BACKSPACE to delete chars...", 230, 300, 20, GRAY);
99 }
100
101 EndDrawing();
102 //----------------------------------------------------------------------------------
103 }
104
105 // De-Initialization
106 //--------------------------------------------------------------------------------------
107 CloseWindow(); // Close window and OpenGL context
108 //--------------------------------------------------------------------------------------
109
110 return 0;
111}
112
113// Check if any key is pressed
114// NOTE: We limit keys check to keys between 32 (KEY_SPACE) and 126
115bool IsAnyKeyPressed()
116{
117 bool keyPressed = false;
118 int key = GetKeyPressed();
119
120 if ((key >= 32) && (key <= 126)) keyPressed = true;
121
122 return keyPressed;
123}