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/*
* pg.c
*
* Playground template to try things, mostly SFML related.
*
* */
#include <SFML/Graphics.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <f8.h>
static size_t utf8_detect_back(const char *text)
{
if ((*text-- & 0x80) == 0)
return 1;
if ((*text-- & 0xE0) == 0xC0)
return 2;
if ((*text-- & 0xF0) == 0xE0)
return 3;
if ((*text-- & 0xF8) == 0xF0)
return 4;
return 0;
}
static void handleWindowEvents(sfRenderWindow *window, char *text, size_t size)
{
sfEvent event;
while (sfRenderWindow_pollEvent(window, &event)) {
if (event.type == sfEvtClosed)
sfRenderWindow_close(window);
if (size == 0)
continue;
if (event.type == sfEvtTextEntered) {
size_t len = strnlen(text, size - 1);
if (event.text.unicode == L'\b') {
len -= len > 0 ? 1 : 0;
size_t clen = utf8_detect_back(&text[len]);
memset(&text[len + 1 - clen], 0, clen);
} else {
utf32to8_strcpy_s(&text[len], size - len, &event.text.unicode);
}
}
}
}
int main()
{
/* Initialization */
char utf8_text[BUFSIZ] = {0};
int32_t utf32_text[BUFSIZ] = {0};
sfRenderWindow *window;
sfVideoMode mode = (sfVideoMode){450, 570, 32};
window = sfRenderWindow_create(mode, "CSFML", sfResize | sfClose, NULL);
if (!window)
exit(EXIT_FAILURE);
sfRenderWindow_setFramerateLimit(window, 60);
sfFont *font = sfFont_createFromFile("./dat/arial.ttf");
sfText *text = sfText_create();
sfText_setPosition(text, (sfVector2f){100, 100});
sfText_setString(text, "aaaaaaaaaaaa");
sfText_setColor(text, (sfColor){255, 255, 255, 255});
sfText_setFillColor(text, (sfColor){255, 255, 255, 255});
sfText_setCharacterSize(text, 20);
sfText_setFont(text, font);
sfRectangleShape *rect = sfRectangleShape_create();
sfRectangleShape_setPosition(rect, (sfVector2f){100, 100});
sfRectangleShape_setSize(rect, (sfVector2f){150, 30});
sfRectangleShape_setOutlineThickness(rect, 1);
sfRectangleShape_setOutlineColor(rect, sfGreen);
sfRectangleShape_setFillColor(rect, (sfColor){0, 0, 0, 0});
/* Main loop */
while (sfRenderWindow_isOpen(window)) {
handleWindowEvents(window, utf8_text, 40);
sfText_setUnicodeString(text, utf8to32_strcpy_s(utf32_text, sizeof(utf8_text), utf8_text));
sfRenderWindow_clear(window, (sfColor){26, 26, 26, 255});
sfRenderWindow_drawRectangleShape(window, rect, NULL);
sfRenderWindow_drawText(window, text, NULL);
sfRenderWindow_display(window);
}
/* Cleanup */
sfRectangleShape_destroy(rect);
sfText_destroy(text);
sfFont_destroy(font);
if (window) {
sfRenderWindow_destroy(window);
window = 0;
}
return EXIT_SUCCESS;
}
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