197 lines
6.9 KiB
C++
197 lines
6.9 KiB
C++
#include "PowerNodeWidget.hpp"
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#include "../Fonts.hpp"
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#include <cstring>
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#include <cstdio>
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PowerNodeWidget::PowerNodeWidget(const WidgetConfig& config)
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: Widget(config)
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{
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labelText_[0] = '\0';
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valueFormat_[0] = '\0';
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}
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static void set_label_text_if_changed(lv_obj_t* label, const char* text) {
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if (!label || !text) return;
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const char* current = lv_label_get_text(label);
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if (current && strcmp(current, text) == 0) return;
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lv_label_set_text(label, text);
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}
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int PowerNodeWidget::encodeUtf8(uint32_t codepoint, char* buf) {
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if (codepoint < 0x80) {
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buf[0] = static_cast<char>(codepoint);
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buf[1] = '\0';
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return 1;
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} else if (codepoint < 0x800) {
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buf[0] = static_cast<char>(0xC0 | (codepoint >> 6));
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buf[1] = static_cast<char>(0x80 | (codepoint & 0x3F));
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buf[2] = '\0';
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return 2;
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} else if (codepoint < 0x10000) {
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buf[0] = static_cast<char>(0xE0 | (codepoint >> 12));
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buf[1] = static_cast<char>(0x80 | ((codepoint >> 6) & 0x3F));
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buf[2] = static_cast<char>(0x80 | (codepoint & 0x3F));
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buf[3] = '\0';
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return 3;
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} else if (codepoint < 0x110000) {
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buf[0] = static_cast<char>(0xF0 | (codepoint >> 18));
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buf[1] = static_cast<char>(0x80 | ((codepoint >> 12) & 0x3F));
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buf[2] = static_cast<char>(0x80 | ((codepoint >> 6) & 0x3F));
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buf[3] = static_cast<char>(0x80 | (codepoint & 0x3F));
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buf[4] = '\0';
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return 4;
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}
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buf[0] = '\0';
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return 0;
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}
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void PowerNodeWidget::parseText() {
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labelText_[0] = '\0';
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valueFormat_[0] = '\0';
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const char* text = config_.text;
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if (!text || text[0] == '\0') return;
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const char* newline = strchr(text, '\n');
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if (newline) {
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size_t labelLen = static_cast<size_t>(newline - text);
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if (labelLen >= MAX_TEXT_LEN) labelLen = MAX_TEXT_LEN - 1;
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memcpy(labelText_, text, labelLen);
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labelText_[labelLen] = '\0';
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strncpy(valueFormat_, newline + 1, MAX_TEXT_LEN - 1);
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valueFormat_[MAX_TEXT_LEN - 1] = '\0';
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} else {
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strncpy(labelText_, text, MAX_TEXT_LEN - 1);
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labelText_[MAX_TEXT_LEN - 1] = '\0';
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}
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}
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lv_obj_t* PowerNodeWidget::create(lv_obj_t* parent) {
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parseText();
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obj_ = lv_obj_create(parent);
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if (obj_ == nullptr) {
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return nullptr;
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}
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lv_obj_remove_style_all(obj_);
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lv_obj_set_pos(obj_, config_.x, config_.y);
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lv_obj_set_size(obj_,
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config_.width > 0 ? config_.width : 120,
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config_.height > 0 ? config_.height : 120);
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lv_obj_clear_flag(obj_, LV_OBJ_FLAG_SCROLLABLE);
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lv_obj_set_flex_flow(obj_, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_flex_align(obj_, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
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lv_obj_set_style_pad_all(obj_, 6, 0);
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lv_obj_set_style_pad_gap(obj_, 2, 0);
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if (labelText_[0] != '\0') {
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labelLabel_ = lv_label_create(obj_);
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lv_label_set_text(labelLabel_, labelText_);
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lv_obj_clear_flag(labelLabel_, LV_OBJ_FLAG_CLICKABLE);
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}
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if (config_.iconCodepoint > 0 && Fonts::hasIconFont()) {
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iconLabel_ = lv_label_create(obj_);
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char iconText[5];
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encodeUtf8(config_.iconCodepoint, iconText);
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lv_label_set_text(iconLabel_, iconText);
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lv_obj_clear_flag(iconLabel_, LV_OBJ_FLAG_CLICKABLE);
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}
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valueLabel_ = lv_label_create(obj_);
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if (valueFormat_[0] != '\0') {
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lv_label_set_text(valueLabel_, valueFormat_);
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} else {
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lv_label_set_text(valueLabel_, "");
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}
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lv_obj_clear_flag(valueLabel_, LV_OBJ_FLAG_CLICKABLE);
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return obj_;
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}
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void PowerNodeWidget::applyStyle() {
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if (obj_ == nullptr) return;
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lv_obj_set_style_bg_color(obj_, lv_color_white(), 0);
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lv_obj_set_style_bg_opa(obj_, LV_OPA_COVER, 0);
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lv_obj_set_style_radius(obj_, LV_RADIUS_CIRCLE, 0);
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int16_t minSide = config_.width < config_.height ? config_.width : config_.height;
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int16_t ring = minSide / 12;
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if (ring < 2) ring = 2;
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if (ring > 12) ring = 12;
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lv_obj_set_style_border_width(obj_, ring, 0);
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lv_obj_set_style_border_color(obj_, lv_color_make(
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config_.bgColor.r, config_.bgColor.g, config_.bgColor.b), 0);
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lv_obj_set_style_border_opa(obj_, config_.bgOpacity, 0);
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applyShadowStyle();
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uint8_t valueSizeIdx = config_.fontSize;
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uint8_t labelSizeIdx = valueSizeIdx > 0 ? static_cast<uint8_t>(valueSizeIdx - 1) : valueSizeIdx;
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if (labelLabel_ != nullptr) {
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lv_obj_set_style_text_color(labelLabel_, lv_color_make(
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config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
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lv_obj_set_style_text_font(labelLabel_, Fonts::bySizeIndex(labelSizeIdx), 0);
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lv_obj_set_style_text_align(labelLabel_, LV_TEXT_ALIGN_CENTER, 0);
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lv_obj_set_style_text_opa(labelLabel_, LV_OPA_70, 0);
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}
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if (iconLabel_ != nullptr) {
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lv_obj_set_style_text_color(iconLabel_, lv_color_make(
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config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
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uint8_t sizeIdx = config_.iconSize < 6 ? config_.iconSize : valueSizeIdx;
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lv_obj_set_style_text_font(iconLabel_, Fonts::iconFont(sizeIdx), 0);
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lv_obj_set_style_text_align(iconLabel_, LV_TEXT_ALIGN_CENTER, 0);
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}
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if (valueLabel_ != nullptr) {
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lv_obj_set_style_text_color(valueLabel_, lv_color_make(
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config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
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lv_obj_set_style_text_font(valueLabel_, Fonts::bySizeIndex(valueSizeIdx), 0);
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lv_obj_set_style_text_align(valueLabel_, LV_TEXT_ALIGN_CENTER, 0);
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}
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}
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void PowerNodeWidget::updateValueText(const char* text) {
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if (valueLabel_ == nullptr || text == nullptr) return;
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set_label_text_if_changed(valueLabel_, text);
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}
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void PowerNodeWidget::onKnxValue(float value) {
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if (valueLabel_ == nullptr) return;
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if (config_.textSource != TextSource::KNX_DPT_TEMP &&
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config_.textSource != TextSource::KNX_DPT_PERCENT &&
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config_.textSource != TextSource::KNX_DPT_POWER &&
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config_.textSource != TextSource::KNX_DPT_ENERGY &&
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config_.textSource != TextSource::KNX_DPT_DECIMALFACTOR) return;
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char buf[32];
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const char* fmt = valueFormat_[0] != '\0' ? valueFormat_ : "%0.1f";
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if (config_.textSource == TextSource::KNX_DPT_PERCENT ||
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config_.textSource == TextSource::KNX_DPT_DECIMALFACTOR) {
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int percent = static_cast<int>(value + 0.5f);
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snprintf(buf, sizeof(buf), fmt, percent);
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} else {
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snprintf(buf, sizeof(buf), fmt, value);
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}
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updateValueText(buf);
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}
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void PowerNodeWidget::onKnxSwitch(bool value) {
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if (valueLabel_ == nullptr) return;
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if (config_.textSource != TextSource::KNX_DPT_SWITCH) return;
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updateValueText(value ? "EIN" : "AUS");
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}
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void PowerNodeWidget::onKnxText(const char* text) {
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if (valueLabel_ == nullptr) return;
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if (config_.textSource != TextSource::KNX_DPT_TEXT) return;
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updateValueText(text);
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}
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