init

main.py

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+import curses
+
+insert_char_at_position = lambda string, char, position: string[:position] + char + string[position:]
+remove_char_at_position = lambda string, position: string[:position] + string[position+1:]
+split_list = lambda input_list, chunk_size: [input_list[i:i + chunk_size] for i in range(0, len(input_list), chunk_size)]
+
+class Editor():
+    def __init__(self,stdscr,file=str) -> None:
+        self.stdscr = stdscr
+        self.x = 0
+        self.y = 0
+        self.tx,self.ty = curses.COLS ,curses.LINES
+        self.text_content = self.get_content(file)
+        self.lines = len(self.text_content)
+        self.pages = self.make_pages(self.text_content)
+        self.page = 0 
+
+    def handle_keys(self):
+        key = self.stdscr.getch()
+        if key == curses.KEY_UP:
+            self.y = max(0, self.y - 1)
+            if self.y == 0 and self.page != 0:
+                self.page -= 1
+                self.y = self.ty-2
+        elif key == curses.KEY_DOWN:
+            self.y = min(self.ty - 1, self.y + 1)
+            if self.y == self.ty - 1 and self.page < len(self.pages) - 1:
+                self.page += 1
+                self.y = 0
+        elif key == curses.KEY_LEFT:
+            self.x = max(0, self.x - 1)
+        elif key == curses.KEY_RIGHT:
+            self.x = min(len(self.text_content[self.y]), self.x + 1)
+        elif key == curses.KEY_BACKSPACE:
+            if self.x > 0:
+                self.pages[self.page][self.y] = remove_char_at_position(
+                    self.pages[self.page][self.y],
+                    self.x - 1
+                    )
+                self.x -= 1
+        elif key == curses.KEY_ENTER:
+            # Neue leere Zeile einfügen
+            self.new_line()
+        elif key != curses.ERR:
+            self.pages[self.page][self.y] = insert_char_at_position(
+                self.pages[self.page][self.y],
+                str(self.pages[self.page]),#chr(key),
+                self.x
+                )
+            self.x += 1
+    
+#def make_pages(self, content):
+#    return split_list(content, self.ty-1)
+
+
+
+    def get_content(self,file):
+        try:
+            with open(file) as content:
+                return content.readlines()
+        except FileNotFoundError:
+            return ["no data found","please check path"]
+
+    def make_pages(self,content):
+        #pages = []
+        #page = []
+        #for line in content:
+        #    if len(page) >= self.ty - 1:
+        #        pages.append(page)
+        #        page = []
+        #    page.append(line)
+        #if page:
+        #    pages.append(page)
+        #return pages
+
+        return split_list(content, self.ty-1)
+
+    def print_data(self):
+        self.stdscr.clear()
+        for i, line in enumerate(self.pages[self.page]):
+            self.stdscr.addstr(i, 0, f"{line}")#{i+self.ty*self.page} - 
+        self.stdscr.refresh()
+
+    def set_cursor_position(self):
+        self.stdscr.move(self.y, self.x)
+    def new_line(self):
+        self.pages[self.page].insert(self.y + 1, "")
+        self.pages = self.make_pages(sum(self.pages, []))  # Seiten neu erstellen
+        self.print_data()
+        self.y += 1  # Die Position nach unten verschieben, um die neu eingefügte Zeile anzuzeigen
+    def del_line(self):
+        pass
+
+
+def main(stdscr):
+    file_name = "/home/megamichi/Schreibtisch/coding/terminal/test.txt"
+    editor = Editor(stdscr, file_name)
+    curses.curs_set(1)
+    while True:
+        editor.print_data()
+        editor.set_cursor_position()
+        editor.handle_keys()
+
+if __name__ == "__main__":
+    curses.wrapper(main)

test.txt

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+Hallo wie gehts
+   funtzt der scheiß?
+Österreich ist super.
+-
+-huhu
+-
+-
+-
+-
+abc
+def
+g
+...
+.
+.
+.
+.
+..
+.
+....
+..
+.......
+.............
+bl
+
+
+a
+end