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Simplified things a bit with consts/enums

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This commit is contained in:
Bruce Hill 2022-04-07 23:07:09 -04:00
parent 58322ee8a4
commit 71bb47286a
2 changed files with 50 additions and 48 deletions
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13
Python/btui.py
View File

@ -107,6 +107,14 @@ BTUI_INVERSE_ATTRS = {
"overlined": attr('BTUI_NO_OVERLINED'),
}
BTUI_CLEAR_VALUES = {
"screen": 0,
"above": 1,
"below": 2,
"line": 3,
"left": 4,
"right": 5,
}
class BTUI:
@contextmanager
@ -123,10 +131,9 @@ class BTUI:
def clear(self, mode='screen'):
assert self._btui
if mode not in ('screen', 'above', 'below', 'line', 'left', 'right'):
if mode not in BTUI_CLEAR_VALUES:
raise ArgumentError("Not a supported clear type: "+repr(mode))
clr = ctypes.c_uint.in_dll(libbtui, 'BTUI_CLEAR_' + mode.upper())
libbtui.btui_clear(self._btui, clr)
libbtui.btui_clear(self._btui, BTUI_CLEAR_VALUES[mode])
libbtui.btui_flush(self._btui)
def disable(self):

85
btui.h
View File

@ -73,46 +73,41 @@ typedef enum {
MOUSE_WHEEL_RELEASE, MOUSE_WHEEL_PRESS,
} btui_key_t;
typedef int cursor_t;
const cursor_t CURSOR_DEFAULT = 0;
const cursor_t CURSOR_BLINKING_BLOCK = 1;
const cursor_t CURSOR_STEADY_BLOCK = 2;
const cursor_t CURSOR_BLINKING_UNDERLINE = 3;
const cursor_t CURSOR_STEADY_UNDERLINE = 4;
const cursor_t CURSOR_BLINKING_BAR = 5;
const cursor_t CURSOR_STEADY_BAR = 6;
typedef enum {
CURSOR_DEFAULT = 0,
CURSOR_BLINKING_BLOCK = 1,
CURSOR_STEADY_BLOCK = 2,
CURSOR_BLINKING_UNDERLINE = 3,
CURSOR_STEADY_UNDERLINE = 4,
CURSOR_BLINKING_BAR = 5,
CURSOR_STEADY_BAR = 6,
} cursor_t;
// Overlapping key codes:
#define KEY_CTRL_BACKTICK KEY_CTRL_AT
#define KEY_CTRL_2 KEY_CTRL_AT
#define KEY_CTRL_SPACE KEY_CTRL_AT
#define KEY_BACKSPACE KEY_CTRL_H
#define KEY_TAB KEY_CTRL_I
#define KEY_ENTER KEY_CTRL_M
#define KEY_ESC KEY_CTRL_LSQ_BRACKET
#define KEY_CTRL_3 KEY_CTRL_LSQ_BRACKET
#define KEY_CTRL_4 KEY_CTRL_BACKSLASH
#define KEY_CTRL_5 KEY_CTRL_RSQ_BRACKET
#define KEY_CTRL_TILDE KEY_CTRL_CARET
#define KEY_CTRL_6 KEY_CTRL_CARET
#define KEY_CTRL_7 KEY_CTRL_UNDERSCORE
#define KEY_CTRL_SLASH KEY_CTRL_UNDERSCORE
#define KEY_CTRL_8 KEY_BACKSPACE2
const btui_key_t KEY_CTRL_BACKTICK = KEY_CTRL_AT;
const btui_key_t KEY_CTRL_2 = KEY_CTRL_AT;
const btui_key_t KEY_CTRL_SPACE = KEY_CTRL_AT;
const btui_key_t KEY_BACKSPACE = KEY_CTRL_H;
const btui_key_t KEY_TAB = KEY_CTRL_I;
const btui_key_t KEY_ENTER = KEY_CTRL_M;
const btui_key_t KEY_ESC = KEY_CTRL_LSQ_BRACKET;
const btui_key_t KEY_CTRL_3 = KEY_CTRL_LSQ_BRACKET;
const btui_key_t KEY_CTRL_4 = KEY_CTRL_BACKSLASH;
const btui_key_t KEY_CTRL_5 = KEY_CTRL_RSQ_BRACKET;
const btui_key_t KEY_CTRL_TILDE = KEY_CTRL_CARET;
const btui_key_t KEY_CTRL_6 = KEY_CTRL_CARET;
const btui_key_t KEY_CTRL_7 = KEY_CTRL_UNDERSCORE;
const btui_key_t KEY_CTRL_SLASH = KEY_CTRL_UNDERSCORE;
const btui_key_t KEY_CTRL_8 = KEY_BACKSPACE2;
// These are defined as both `#define` and `const int` so that these values can
// work in switch statements and still be available to Python.
#define _BTUI_CLEAR_SCREEN 0
#define _BTUI_CLEAR_ABOVE 1
#define _BTUI_CLEAR_BELOW 2
#define _BTUI_CLEAR_LINE 3
#define _BTUI_CLEAR_LEFT 4
#define _BTUI_CLEAR_RIGHT 5
const int BTUI_CLEAR_SCREEN = _BTUI_CLEAR_SCREEN;
const int BTUI_CLEAR_ABOVE = _BTUI_CLEAR_ABOVE;
const int BTUI_CLEAR_BELOW = _BTUI_CLEAR_BELOW;
const int BTUI_CLEAR_LINE = _BTUI_CLEAR_LINE;
const int BTUI_CLEAR_LEFT = _BTUI_CLEAR_LEFT;
const int BTUI_CLEAR_RIGHT = _BTUI_CLEAR_RIGHT;
typedef enum {
BTUI_CLEAR_SCREEN,
BTUI_CLEAR_ABOVE,
BTUI_CLEAR_BELOW,
BTUI_CLEAR_LINE,
BTUI_CLEAR_LEFT,
BTUI_CLEAR_RIGHT,
} btui_clear_t;
// Text attributes:
typedef uint64_t attr_t;
@ -338,12 +333,12 @@ static void update_term_size(int sig)
int btui_clear(btui_t *bt, int mode)
{
switch (mode) {
case _BTUI_CLEAR_BELOW: return fputs("\033[J", bt->out);
case _BTUI_CLEAR_ABOVE: return fputs("\033[1J", bt->out);
case _BTUI_CLEAR_SCREEN: return fputs("\033[2J", bt->out);
case _BTUI_CLEAR_RIGHT: return fputs("\033[K", bt->out);
case _BTUI_CLEAR_LEFT: return fputs("\033[1K", bt->out);
case _BTUI_CLEAR_LINE: return fputs("\033[2K", bt->out);
case BTUI_CLEAR_BELOW: return fputs("\033[J", bt->out);
case BTUI_CLEAR_ABOVE: return fputs("\033[1J", bt->out);
case BTUI_CLEAR_SCREEN: return fputs("\033[2J", bt->out);
case BTUI_CLEAR_RIGHT: return fputs("\033[K", bt->out);
case BTUI_CLEAR_LEFT: return fputs("\033[1K", bt->out);
case BTUI_CLEAR_LINE: return fputs("\033[2K", bt->out);
default: return -1;
}
}
@ -556,7 +551,7 @@ int btui_getkey(btui_t *bt, int timeout, int *mouse_x, int *mouse_y)
case 'Q': return numcode == 1 ? (modifiers | KEY_F2) : -1;
case 'R': return numcode == 1 ? (modifiers | KEY_F3) : -1;
case 'S': return numcode == 1 ? (modifiers | KEY_F4) : -1;
case 'Z': return MOD_SHIFT | modifiers | KEY_TAB;
case 'Z': return MOD_SHIFT | modifiers | (int)KEY_TAB;
case '~':
switch (numcode) {
case 1: return modifiers | KEY_HOME;
@ -788,7 +783,7 @@ int btui_set_bg_hex(btui_t *bt, int hex)
*/
int btui_set_cursor(btui_t *bt, cursor_t cur)
{
return fprintf(bt->out, "\033[%d q", cur);
return fprintf(bt->out, "\033[%u q", cur);
}
/*