FantasyPvP
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
#include "dynstr.h"
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#include <stdint.h>
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/**
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* maintains the state of a text editor, including the text buffer,
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* cursor position, and various editor settings.
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*/
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typedef struct {
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uint32_t lines;
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uint32_t capacity;
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uint32_t buffer_line;
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uint32_t buffer_col;
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uint32_t y_offset;
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uint32_t x_offset;
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bool unsaved_changes;
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bool editmode;
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String_t* buffer;
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String_t* original;
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String_t filename;
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} Editor;
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/**
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* Creates a new editor instance from a filename
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*
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* @param filename The name of the file to open
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* @return Editor A new editor instance initialized with the file's content
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*/
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Editor new_editor(String_t filename);
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/**
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* Creates a new editor instance from an input string
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*
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* @param input_string initial editor content
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* @param filename name of the file being edited
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* @return an instance of the editor
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*/
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Editor editor_from(String_t input_string, String_t filename);
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/**
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* Moves the cursor in the editor (relative to it's current position)
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*
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* @param self Pointer to the editor instance
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* @param x Horizontal movement (negative for left, positive for right)
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* @param y Vertical movement (negative for up, positive for down)
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*/
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void move_cursor(Editor* self, int x, int y);
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/**
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* Deletes the character before the cursor
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*
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* @param self Pointer to the editor instance
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*/
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void delchar(Editor* self);
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/**
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* Adds a character at the cursor position
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*
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* @param self Pointer to the editor instance
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* @param c The character to add
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*/
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void addchar(Editor* self, char c);
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/**
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* Handles the enter key press, creating a new line
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*
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* @param self Pointer to the editor instance
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*/
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void pressed_enter(Editor* self);
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/**
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* Toggles between edit and command mode
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*
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* @param self Pointer to the editor instance
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*/
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void switch_mode(Editor* self);
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/**
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* Cleans up and frees resources used by the editor
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*
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* @param self Pointer to the editor instance
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*/
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void shutdown_editor(Editor* self);
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/**
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* Saves the current buffer content to the file
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*
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* @param self Pointer to the editor instance
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* @return int Returns 0 on success, non-zero on failure
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*/
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int save_file(Editor* self);
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/**
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* Converts the editor's buffer content to a String_t type
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*
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* @param self Pointer to the editor instance
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* @return String_t* Pointer to a string containing the buffer content
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*/
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String_t* to_string(Editor* self);
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