80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
#include "cursorMovement.h"
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#include "openFile.h"
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#include "lengths.h"
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#include <stdio.h>
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void cursorMovement(char choice, struct FileData *fileData, char **content, int *across, int *stop)
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{
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int cursorLineLength;
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int lineWidth;
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switch (choice)
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{
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case 3:
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if ((*fileData).cursor_y > 0)
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{
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(*fileData).cursor_y--;
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int cursorLineLength = lineLength(*content, (*fileData).cursor_y);
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(*fileData).cursor_x = *across;
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if ((*fileData).cursor_x > cursorLineLength)
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{
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(*fileData).cursor_x = cursorLineLength;
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}
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}
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*stop = 1;
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break;
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case 2:
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if ((*fileData).cursor_y < (*fileData).numLines - 1)
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{
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(*fileData).cursor_y++;
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int cursorLineLength = lineLength(*content, (*fileData).cursor_y);
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(*fileData).cursor_x = *across;
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if ((*fileData).cursor_x > cursorLineLength)
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{
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(*fileData).cursor_x = cursorLineLength;
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}
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}
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*stop = 1;
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break;
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case 4:
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if ((*fileData).cursor_x > 0)
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{
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(*fileData).cursor_x--;
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*across = (*fileData).cursor_x;
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}
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else if ((*fileData).cursor_y > 0)
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{
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(*fileData).cursor_y--;
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*across = lineLength(*content, (*fileData).cursor_y);
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}
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cursorLineLength = lineLength(*content, (*fileData).cursor_y);
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(*fileData).cursor_x = *across;
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if ((*fileData).cursor_x > cursorLineLength)
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{
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(*fileData).cursor_x = cursorLineLength;
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}
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*stop = 1;
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break;
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case 5:
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lineWidth = lineLength(*content, (*fileData).cursor_y);
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if (*across < lineWidth)
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{
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*across += 1;
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}
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else if ((*fileData).cursor_y < (*fileData).numLines - 1)
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{
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*across = 0;
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(*fileData).cursor_y++;
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}
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cursorLineLength = lineLength(*content, (*fileData).cursor_y);
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(*fileData).cursor_x = *across;
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if ((*fileData).cursor_x > cursorLineLength)
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{
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(*fileData).cursor_x = cursorLineLength;
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}
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*stop = 1;
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break;
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}
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return;
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}
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