75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
import curses
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def mode(to_mode: str):
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if to_mode == "block":
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print("\033[2 q")
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elif to_mode == "line":
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print("\033[6 q")
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elif to_mode == "hidden":
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curses.curs_set(0)
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elif to_mode == "visible":
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curses.curs_set(1)
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def push(instance, direction: (int, str)):
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if direction in (0, "up", "north"):
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# If the cursor is at the top of the file
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if instance.cursor[0] == 0 and not instance.offset[0] == 0:
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# Move the buffer up
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instance.offset[0] -= 1
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elif instance.cursor[0] != 0:
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# Decrease the y position of the cursor
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instance.cursor[0] -= 1
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# Jump to the end of the line
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if instance.cursor[1] > len(instance.buffer.data[instance.current_line - 1]) - 2:
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instance.cursor[1] = len(instance.buffer.data[instance.current_line - 1]) - 2
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elif direction in (1, "right", "east"):
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# Increase the x position of the cursor
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if instance.cursor[1] < len(instance.buffer.data[instance.current_line]) - 2:
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instance.cursor[1] += 1
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elif direction in (2, "down", "south"):
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# Check if the cursor is at the bottom of the screen
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if instance.cursor[0] == instance.safe_height - 2 and not instance.current_line == len(instance.buffer.data):
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# Move the buffer down
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instance.offset[0] += 1
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elif instance.cursor[0] != instance.safe_height - 2:
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# Increase the y position of the cursor
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instance.cursor[0] += 1
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# Jump to the end of the line
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if instance.cursor[1] > len(instance.buffer.data[instance.current_line + 1]) - 2:
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instance.cursor[1] = len(instance.buffer.data[instance.current_line + 1]) - 2
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elif direction in (3, "left", "west"):
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# Decrease the x position of the cursor
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if instance.cursor[1] != 0:
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instance.cursor[1] -= 1
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def check(instance, cursor: list):
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# Prevent any values out of bounds (especially important when resizing)
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cursor[1] = max(0, cursor[1])
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cursor[1] = min(instance.safe_width - 1, cursor[1])
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cursor[0] = max(0, cursor[0])
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cursor[0] = min(instance.height - 2 - len(instance.components.components["bottom"]), cursor[0])
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return cursor
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def move(instance):
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# Run a final check to see if the cursor is valid
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instance.cursor = check(instance, instance.cursor)
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# Moves the cursor to anywhere on the screen
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instance.screen.move(instance.cursor[0], instance.cursor[1] +
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instance.components.get_component_width(instance.components.components["left"]))
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