Mercurial > molko
view examples/example-label.c @ 153:aa6e70e330a1
ui: make label less smart
It should not contain alignment because it should be handled by the user
tself.
author | David Demelier <markand@malikania.fr> |
---|---|
date | Thu, 15 Oct 2020 18:45:27 +0200 |
parents | 9733d379be89 |
children | c3a40062acc2 |
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/* * example-label.c -- show how to use label and alignments * * Copyright (c) 2020 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <core/clock.h> #include <core/event.h> #include <core/painter.h> #include <core/panic.h> #include <core/sys.h> #include <core/util.h> #include <core/window.h> #include <ui/align.h> #include <ui/label.h> #include <ui/theme.h> #define W (1280) #define H (720) struct { enum align align; struct label label; } table[] = { { .align = ALIGN_TOP_LEFT, .label = { .text = "Top left" } }, { .align = ALIGN_TOP, .label = { .text = "Top", } }, { .align = ALIGN_TOP_RIGHT, .label = { .text = "Top right", } }, { .align = ALIGN_RIGHT, .label = { .text = "Right", } }, { .align = ALIGN_BOTTOM_RIGHT, .label = { .text = "Bottom right", } }, { .align = ALIGN_BOTTOM, .label = { .text = "Bottom", } }, { .align = ALIGN_BOTTOM_LEFT, .label = { .text = "Bottom left", } }, { .align = ALIGN_LEFT, .label = { .text = "Left", } }, { .align = ALIGN_CENTER, .label = { .text = "The world is Malikania.", .flags = LABEL_FLAGS_SHADOW } } }; static void init(void) { if (!sys_init() || !window_init("Example - Label", W, H) || !theme_init()) panic(); for (size_t i = 0; i < NELEM(table); ++i) { struct label *l = &table[i].label; label_query(l); align(table[i].align, &l->x, &l->y, l->w, l->h, 0, 0, W, H); } } static void quit(void) { theme_finish(); window_finish(); sys_finish(); } static void run(void) { struct clock clock = {0}; struct label mlabel = { .text = "This one follows your mouse and is not aligned." }; clock_start(&clock); for (;;) { union event ev; unsigned int elapsed = clock_elapsed(&clock); clock_start(&clock); while (event_poll(&ev)) { switch (ev.type) { case EVENT_MOUSE: mlabel.x = ev.mouse.x; mlabel.y = ev.mouse.y; break; case EVENT_QUIT: return; default: break; } } painter_set_color(0x4f8fbaff); painter_clear(); for (size_t i = 0; i < NELEM(table); ++i) label_draw(&table[i].label); label_draw(&mlabel); painter_present(); if ((elapsed = clock_elapsed(&clock)) < 20) delay(20 - elapsed); } } int main(int argc, char **argv) { (void)argc; (void)argv; init(); run(); quit(); }