Implement user input handling and refine drawing logic

.gitignore

@@ -0,0 +1,3 @@
+.vscode
+cmake-build-debug
+build

draw.c

@@ -1,6 +1,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <termios.h>
+#include <unistd.h>
 #include "draw.h"
 
 void drawEdges() {
@@ -20,7 +22,9 @@ void drawTitle(char* title) {
         printf(" ");
     }
     printf("%s", title);
-    if (strlen(title) % 2 != WIDTH % 2) {
+
+    // we check if either the length of the title or the width is odd.
+    if ((strlen(title) + WIDTH) % 2 == 1) {
         spacing += 1;
     }
     for (int i = 0; i < spacing; i++) {
@@ -40,7 +44,76 @@ void drawEmptyLines(const int amount) {
 
 }
 
-char** splitByNewline(char *str, int *lineCount) {
+void getUserInput(char* output, char* displayText) {
+    // 1. Print the prompt line
+    printf("%c %s", SEPERATION_CHAR, displayText);
+    int prompt_len = strlen(displayText);
+    int padding = WIDTH - prompt_len - 3;
+    for (int i = 0; i < padding; i++) {
+        printf(" ");
+    }
+    printf("%c\n", SEPERATION_CHAR);
+
+    // 2. Start the input line with fixed borders
+    printf("%c ", SEPERATION_CHAR);
+    for (int i = 0; i < WIDTH - 4; i++) printf(" ");
+    printf(" %c", SEPERATION_CHAR);
+    printf("\033[%dG", 3); // Move cursor to column 3
+    fflush(stdout);
+
+    // 3. Set up terminal for raw input (no echo, no canonical mode)
+    struct termios oldt, newt;
+    tcgetattr(STDIN_FILENO, &oldt);
+    newt = oldt;
+    newt.c_lflag &= ~(ICANON | ECHO);
+    tcsetattr(STDIN_FILENO, TCSANOW, &newt);
+
+    int i = 0;
+    int col = 3; // Current terminal column
+    char ch;
+    while (1) {
+        if (read(STDIN_FILENO, &ch, 1) <= 0) break;
+
+        if (ch == '\n' || ch == '\r') {
+            output[i] = '\0';
+            // Move cursor to the end of the line and print newline
+            printf("\033[%dG", WIDTH + 1);
+            printf("\n");
+            break;
+        } else if (ch == 127 || ch == 8) { // Backspace
+            if (i > 0) {
+                if (col > 3) {
+                    i--;
+                    col--;
+                    printf("\b \b");
+                }
+                // Note: Backspacing across lines is omitted for simplicity 
+                // but could be added with more complex cursor management.
+            }
+        } else {
+            // Check if we have space in output (assume output is large enough or handle gracefully)
+            output[i++] = ch;
+            printf("%c", ch);
+            col++;
+
+            // If we reach the end of the text area (WIDTH - 1 is the space before #)
+            if (col == WIDTH - 1) {
+                // Move to next line and draw new borders
+                printf("\n%c ", SEPERATION_CHAR);
+                for (int j = 0; j < WIDTH - 4; j++) printf(" ");
+                printf(" %c", SEPERATION_CHAR);
+                printf("\033[%dG", 3); // Move to column 3
+                col = 3;
+            }
+        }
+        fflush(stdout);
+    }
+
+    // 4. Restore terminal settings
+    tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
+}
+
+char** splitByNewLine(char *str, int *lineCount) {
     int maxLines = 100;
     char **lines = malloc(maxLines * sizeof(char*));
     

draw.h

@@ -41,6 +41,14 @@ void drawTitle(char* title);
  */
 void drawEmptyLines(int amount);
 
+/**
+ * @brief gets Userinput and puts it in the input var
+ *
+ * @param[out] output
+ * @param[in] displayText
+ */
+void getUserInput(char* output, char* displayText);
+
 char** splitByNewLine(char *str, int *lineCount);
 
 #endif

main.c

@@ -1,3 +1,5 @@
+#include <stdio.h>
+#include <stdlib.h>
 #include "draw.h"
 #include "main.h"
 
@@ -10,24 +12,20 @@
 #endif
 
 int main() {
-    // char *buffer = NULL;
+    char output[1024];
-    // size_t buffsize = 0;
-    // ssize_t characters;
 
-    // printf("Python alter leck meine eier? \n");
+    getInitialWorries(output);
-    // characters = getline(&buffer, &buffsize, stdin);
-
-    // if (characters != -1) {
-    //     printf("you typed %s\n", buffer);
-    // }
-
-    sleep_ms(500);
 
     drawEdges();
     drawEmptyLines(1);
     drawTitle(TITLE);
     drawEmptyLines(1);
     drawEdges();
+    printf("%s", output);
 
     return 0;
 }
+
+void getInitialWorries(char* output) {
+    scanf("What's on your mind? %s\n", output);
+}

main.h

@@ -3,4 +3,6 @@
 
 #define TITLE "Scream your thoughts into the void!"
 
+void getInitialWorries(char* output);
+
 #endif