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Add password buffer, refactor rendering/surfaces

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This commit is contained in:
Drew DeVault 2018-04-03 14:31:30 -04:00
parent 1fe3cb8965
commit 066143adef
9 changed files with 262 additions and 51 deletions
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57
swaylock/password.c Normal file
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#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
#include "swaylock/swaylock.h"
#include "swaylock/seat.h"
#include "unicode.h"
static void backspace(struct swaylock_password *pw) {
if (pw->len != 0) {
pw->buffer[--pw->len] = 0;
}
}
static void append_ch(struct swaylock_password *pw, uint32_t codepoint) {
if (!pw->buffer) {
pw->size = 8;
if (!(pw->buffer = malloc(pw->size))) {
// TODO: Display error
return;
}
pw->buffer[0] = 0;
}
size_t utf8_size = utf8_chsize(codepoint);
if (pw->len + utf8_size + 1 >= pw->size) {
size_t size = pw->size * 2;
char *buffer = realloc(pw->buffer, size);
if (!buffer) {
// TODO: Display error
return;
}
pw->size = size;
pw->buffer = buffer;
}
utf8_encode(&pw->buffer[pw->len], codepoint);
pw->buffer[pw->len + utf8_size] = 0;
pw->len += utf8_size;
}
void swaylock_handle_key(struct swaylock_state *state,
xkb_keysym_t keysym, uint32_t codepoint) {
switch (keysym) {
case XKB_KEY_KP_Enter: /* fallthrough */
case XKB_KEY_Return:
// TODO: Attempt password
break;
case XKB_KEY_BackSpace:
backspace(&state->password);
break;
default:
if (codepoint) {
append_ch(&state->password, codepoint);
}
break;
}
}