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