freertos_f407/User/system/sgl/widgets/switch/sgl_switch.c

115 lines
3.8 KiB
C

/* source/widgets/sgl_switch.c
*
* MIT License
*
* Copyright(c) 2023-present All contributors of SGL
* Document reference link: https://sgl-docs.readthedocs.io
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <sgl_core.h>
#include <sgl_draw.h>
#include <sgl_math.h>
#include <sgl_log.h>
#include <sgl_mm.h>
#include <sgl_theme.h>
#include <sgl_cfgfix.h>
#include <string.h>
#include "sgl_switch.h"
static void sgl_switch_construct_cb(sgl_surf_t *surf, sgl_obj_t* obj, sgl_event_t *evt)
{
sgl_switch_t *p_switch = sgl_container_of(obj, sgl_switch_t, obj);
int16_t margin = p_switch->knob_margin + obj->border;
int16_t radius = sgl_min(obj->radius - margin, p_switch->knob_radius);
int16_t width = obj->coords.y2 - obj->coords.y1 - 2 * margin;
sgl_rect_t knob_rect = {
.y1 = obj->coords.y1 + margin,
.y2 = obj->coords.y2 - margin,
};
sgl_draw_rect_t bg_desc = {
.alpha = p_switch->alpha,
.border = obj->border,
.color = p_switch->color,
.border_color = p_switch->border_color,
.pixmap = p_switch->pixmap,
.radius = obj->radius,
};
if(evt->type == SGL_EVENT_DRAW_MAIN) {
if(p_switch->status) {
bg_desc.color = p_switch->color;
knob_rect.x2 = obj->coords.x2 - margin;
knob_rect.x1 = knob_rect.x2 - width;
}
else {
bg_desc.color = p_switch->bg_color;
knob_rect.x1 = obj->coords.x1 + margin;
knob_rect.x2 = knob_rect.x1 + width;
}
sgl_draw_rect(surf, &obj->area, &obj->coords, &bg_desc);
sgl_draw_fill_rect(surf, &obj->area, &knob_rect, radius, p_switch->knob_color, p_switch->alpha);
}
else if(evt->type == SGL_EVENT_PRESSED) {
p_switch->status = !p_switch->status;
sgl_obj_set_dirty(obj);
}
}
/**
* @brief create a switch object
* @param parent parent of the switch
* @return switch object
*/
sgl_obj_t* sgl_switch_create(sgl_obj_t* parent)
{
sgl_switch_t *p_switch = sgl_malloc(sizeof(sgl_switch_t));
if(p_switch == NULL) {
SGL_LOG_ERROR("sgl_switch_create: malloc failed");
return NULL;
}
/* set object all member to zero */
memset(p_switch, 0, sizeof(sgl_switch_t));
sgl_obj_t *obj = &p_switch->obj;
sgl_obj_init(&p_switch->obj, parent);
obj->construct_fn = sgl_switch_construct_cb;
sgl_obj_set_border_width(obj, SGL_THEME_BORDER_WIDTH);
sgl_obj_set_radius(obj, SGL_THEME_RADIUS);
p_switch->alpha = SGL_THEME_ALPHA;
p_switch->color = SGL_THEME_COLOR;
p_switch->border_color = SGL_THEME_BORDER_COLOR;
p_switch->status = false;
p_switch->bg_color = SGL_THEME_BG_COLOR;
p_switch->knob_color = sgl_color_mixer(SGL_THEME_COLOR, SGL_THEME_BG_COLOR, 128);
p_switch->knob_radius = 255;
sgl_obj_set_clickable(obj);
return obj;
}