92 lines
3.0 KiB
Python
92 lines
3.0 KiB
Python
import curses
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class CursesAdapter:
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def __init__(self) -> None:
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self.KEY_LEFT = curses.KEY_LEFT
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self.KEY_RIGHT = curses.KEY_RIGHT
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self.KEY_UP = curses.KEY_UP
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self.KEY_DOWN = curses.KEY_DOWN
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self.KEY_BACKSPACE_1 = 127
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self.KEY_BACKSPACE_2 = 8
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self.KEY_ENTER = 10
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self.KEY_CTRL_S = 19
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self.KEY_ESCAPE = 27
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self.KEY_TWO_DOTS = 59
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self.screen = curses.initscr()
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self.screen.keypad(True)
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self.cols = curses.COLS
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self.lines = curses.LINES
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# init color system
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curses.start_color()
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# green color pair
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curses.init_pair(1, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
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curses.curs_set(1) # Make cursor visible
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def Refresh(self) -> None:
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"""Apply changes"""
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self.screen.refresh()
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def Cleanup(self) -> None:
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curses.endwin()
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def SetCursor(self, x: int, y: int):
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"""set cursor position (x, y)"""
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self.screen.move(x, y)
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def SetChar(self, x: int, y: int, code: int):
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"""set char position (x, y)"""
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self.screen.addch(x, y, code)
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def SetString(self, x: int, y: int, data: str):
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"""set string begin position (x, y)"""
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self.screen.addstr(x, y, data)
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def GetChar(self) -> int:
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"""Wait users input"""
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return self.screen.getch()
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class VimView:
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def __init__(self, adapter: CursesAdapter) -> None:
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self.curses_adapter = adapter
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def Render(self,
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displayBuffer: list[list[str]],
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currentLine: int, currentCol: int,
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scrollX: int, scrollY: int,
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modeBarData: str):
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"""Отрисовка текущего состояния"""
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self.curses_adapter.screen.clear()
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# Отображение видимой части текста
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for i in range(self.curses_adapter.lines - 1):
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if i + scrollY < len(displayBuffer):
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line = ''.join(displayBuffer[i + scrollY])
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if scrollX < len(line):
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self.curses_adapter.SetString(i, 0, line[scrollX:scrollX + self.curses_adapter.cols])
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else:
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self.curses_adapter.SetString(i, 0, '')
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else:
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self.curses_adapter.SetString(i, 0, '')
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# Обновление панели режима
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self.SetModeBar(modeBarData)
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# Установка курсора с учетом прокрутки
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cursor_x = currentLine - scrollY
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cursor_y = currentCol - scrollX
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# Проверка, чтобы курсор не вышел за пределы экрана
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if 0 <= cursor_x < self.curses_adapter.lines - 1 and 0 <= cursor_y < self.curses_adapter.cols:
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self.curses_adapter.SetCursor(cursor_x, cursor_y)
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self.curses_adapter.Refresh()
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def SetModeBar(self, modeBarData: str):
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"""Print edit mode information panel"""
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self.curses_adapter.SetString(self.curses_adapter.lines - 1, 0, modeBarData)
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