starnakin/terminal_menu
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fix:

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starnakin 2023-05-28 00:00:23 +02:00
parent d75dabd174
commit e2870e2ced
2 changed files with 45 additions and 47 deletions
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63
Menu.py
View File

@ -1,5 +1,34 @@
import os;
import utils
def render(pos: int, min: int, max: int, render_distance: int, elements: list):
start = pos - render_distance;
if (start < min):
start = min;
stop = pos + render_distance + 1;
if (stop > max):
stop = max;
i = 0;
y = pos - start;
if (y < min):
y = pos;
if (stop - start != render_distance * 2 + 1):
if (pos - start != render_distance):
stop = stop + render_distance - start - pos
# elif (stop + render_distance > max):
# start = start - (stop + render_distance - max)
y = pos - start;
if (y < min):
y = pos;
return (start, stop, y);
def preview_formater(title: str, body: str, size_x: int, size_y: int):
out: str = "";
out += f"┌── {title} " + "─" * (size_x - 6 - len(title)) + "┐\n"
lines = body.split("\n");
for line in lines[:size_y - 2]:
out += f"│ {line[: size_x - 4]}" + " " * (size_x - 3 - len(line)) + "│\n"
out += "└" + "─" * (size_x - 2) + "┘"
return (out);
class Menu():
@ -75,10 +104,12 @@ class Menu():
size = os.get_terminal_size();
size_x = size.columns;
size_y = size.lines;
preview_size = int(self.preview_ratio * size_y);
content_size = size_y - preview_size
preview_size = int(self.preview_ratio * size_y)
content_size = size_y - preview_size - 2
preview = self._preview(size_x, preview_size)
min_y, max_y, display_pos = utils.render(self.cursor_pos,
if (self.title != None):
menu += self.title[:size_x] + "\n";
min_y, max_y, display_pos = render(self.cursor_pos,
0,
self.size,
content_size // 2,
@ -86,17 +117,18 @@ class Menu():
for i, option in enumerate(self.options[min_y:max_y]):
element = option
if (i == display_pos):
min_x, max_x, display_pos_x = utils.render(self.cursor_pos_x,
min_x, max_x, display_pos_x = render(self.cursor_pos_x,
0,
len(element),
len(element) // 2,
size_x,
size_x // 2,
option)
line = self.cursor + element[min_x:max_x]
else:
line = " " * len(self.cursor) + element
line = line + "\n"
line = line[:size_x - len(self.cursor)] + "\n"
menu = menu + line;
self._display_screen(menu + preview)
menu = menu[:-1]
self._display_screen(menu + "\n" + preview)
def _preview(self, size_x: int, size_y: int):
if (len(self.preview_args) < self.cursor_pos):
@ -108,14 +140,16 @@ class Menu():
else:
title = self.preview_title_function(self.preview_args[self.cursor_pos])
body = self.preview_body_function(self.preview_args[self.cursor_pos])
if (body == None or title == None):
return ("")
return (utils.preview_formater(title, body, size_x, size_y));
return (preview_formater(title, body, size_x, size_y));
def _clear(self):
UP = "\x1B[3A"
CLR = "\x1B[0K"
for i in range(self._nb_printed_lines):
for _ in range(self._nb_printed_lines):
print(CLR)
print(UP)
@ -164,7 +198,6 @@ class Menu():
print('\nErr:\tcan\'t get input \nFix:\tpip install getch')
exit()
first_char = getch.getch()
print (first_char)
if first_char == '\x1b': #arrow keys
a=getch.getch()
b=getch.getch()
@ -173,9 +206,3 @@ class Menu():
return 'enter'
if ord(first_char) == 32:
return 'space'
def preview(lst):
return ("je suis la")
menu = Menu("fdddddddddddddddddddddddddddddddddddddddddddddddddddddddda", preview_body_function=preview);
menu.show()

29
utils.py
View File

@ -1,29 +0,0 @@
def render(pos: int, min: int, max: int, render_distance: int, elements: list):
start = pos - render_distance;
if (start < min):
start = min;
stop = pos + render_distance + 1;
if (stop > max):
stop = max;
i = 0;
y = pos - start;
if (y < min):
y = pos;
if (stop - start != render_distance * 2 + 1):
if (pos - start != render_distance):
stop = stop + render_distance - start - pos
# elif (stop + render_distance > max):
# start = start - (stop + render_distance - max)
y = pos - start;
if (y < min):
y = pos;
return (start, stop, y);
def preview_formater(title: str, body: str, size_x: int, size_y: int):
out: str = "";
out += f"┌── {title} " + "─" * (size_x - 6 - len(title)) + "┐\n"
lines = body.split("\n");
for line in lines[:size_y - 2]:
out += f"│ {line[: size_x - 4]}" + " " * (size_x - 3 - len(line)) + "│\n"
out += "└" + "─" * (size_x - 2) + "┘\n"
return (out);