Mercurial > molko
view libmlk-ui/ui/theme.c @ 313:dbfe05b88627
cmake: bring back for good
It's just too complicated to get portability done right using pure GNU make and
since we're targeting more OSes than Linux we have to incorporate some
portability bits.
author | David Demelier <markand@malikania.fr> |
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date | Wed, 22 Sep 2021 07:19:32 +0200 |
parents | f04b4ee04db3 |
children | d01e83210ca2 |
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/* * theme.c -- abstract theming * * 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 <assert.h> #include <stddef.h> #include <string.h> #include <core/font.h> #include <core/maths.h> #include <core/painter.h> #include <core/panic.h> #include <core/texture.h> #include <core/util.h> #include <assets/fonts/opensans-light.h> #include <assets/fonts/opensans-regular.h> #include "align.h" #include "button.h" #include "checkbox.h" #include "frame.h" #include "label.h" #include "theme.h" #define THEME(t) (t ? t : &default_theme) /* Default font catalog. */ #define FONT(bin, size, index) \ { bin, sizeof (bin), size, &default_theme.fonts[index], {0} } /* Default theme. */ static struct theme default_theme = { .colors = { [THEME_COLOR_DEBUG] = 0xff0000ff, [THEME_COLOR_NORMAL] = 0xffffffff, [THEME_COLOR_SELECTED] = 0x006554ff, [THEME_COLOR_SHADOW] = 0x000000ff }, .padding = 10, .draw_frame = frame_draw_default, .draw_label = label_draw_default, .draw_button = button_draw_default, .draw_checkbox = checkbox_draw_default }; static struct font_catalog { const unsigned char *data; const size_t datasz; unsigned int size; struct font **dest; struct font font; } default_fonts[] = { FONT(assets_fonts_opensans_light, 12, THEME_FONT_DEBUG), FONT(assets_fonts_opensans_regular, 14, THEME_FONT_INTERFACE) }; int theme_init(void) { /* Open all fonts. */ for (size_t i = 0; i < UTIL_SIZE(default_fonts); ++i) { struct font_catalog *fc = &default_fonts[i]; if (font_openmem(&fc->font, fc->data, fc->datasz, fc->size) < 0) goto failed; /* Reference this font into the catalog. */ *default_fonts[i].dest = &default_fonts[i].font; } return 0; failed: theme_finish(); return -1; } struct theme * theme_default(void) { return &default_theme; } unsigned int theme_padding(const struct theme *t) { return THEME(t)->padding; } void theme_shallow(struct theme *dst, const struct theme *src) { assert(dst); memcpy(dst, src ? src : &default_theme, sizeof (*src)); } void theme_draw_frame(const struct theme *t, const struct frame *frame) { assert(frame); THEME(t)->draw_frame(THEME(t), frame); } void theme_draw_label(const struct theme *t, const struct label *label) { assert(label); THEME(t)->draw_label(THEME(t), label); } void theme_draw_button(const struct theme *t, const struct button *button) { assert(button); THEME(t)->draw_button(THEME(t), button); } void theme_draw_checkbox(const struct theme *t, const struct checkbox *cb) { assert(cb); THEME(t)->draw_checkbox(THEME(t), cb); } void theme_finish(void) { for (size_t i = 0; i < UTIL_SIZE(default_fonts); ++i) { font_finish(&default_fonts[i].font); *default_fonts[i].dest = NULL; } }