knxdisplay/main/widgets/PowerNodeWidget.cpp
2026-02-01 20:49:09 +01:00

452 lines
16 KiB
C++

#include "PowerNodeWidget.hpp"
#include "../Fonts.hpp"
#include <cstring>
#include <cstdio>
PowerNodeWidget::PowerNodeWidget(const WidgetConfig& config)
: Widget(config)
{
labelText_[0] = '\0';
valueFormat_[0] = '\0';
leftFormat_[0] = '\0';
rightFormat_[0] = '\0';
}
static bool set_label_text_if_changed(lv_obj_t* label, const char* text) {
if (!label || !text) return false;
const char* current = lv_label_get_text(label);
if (current && strcmp(current, text) == 0) return false;
lv_label_set_text(label, text);
return true;
}
static void set_obj_name(lv_obj_t* obj, const char* base, uint8_t id, const char* suffix) {
#if LV_USE_OBJ_NAME
if (!obj || !base) return;
char name[48];
if (suffix && suffix[0] != '\0') {
snprintf(name, sizeof(name), "%s#%u_%s", base, id, suffix);
} else {
snprintf(name, sizeof(name), "%s#%u", base, id);
}
lv_obj_set_name(obj, name);
#else
(void)obj;
(void)base;
(void)id;
(void)suffix;
#endif
}
int PowerNodeWidget::encodeUtf8(uint32_t codepoint, char* buf) {
if (codepoint < 0x80) {
buf[0] = static_cast<char>(codepoint);
buf[1] = '\0';
return 1;
} else if (codepoint < 0x800) {
buf[0] = static_cast<char>(0xC0 | (codepoint >> 6));
buf[1] = static_cast<char>(0x80 | (codepoint & 0x3F));
buf[2] = '\0';
return 2;
} else if (codepoint < 0x10000) {
buf[0] = static_cast<char>(0xE0 | (codepoint >> 12));
buf[1] = static_cast<char>(0x80 | ((codepoint >> 6) & 0x3F));
buf[2] = static_cast<char>(0x80 | (codepoint & 0x3F));
buf[3] = '\0';
return 3;
} else if (codepoint < 0x110000) {
buf[0] = static_cast<char>(0xF0 | (codepoint >> 18));
buf[1] = static_cast<char>(0x80 | ((codepoint >> 12) & 0x3F));
buf[2] = static_cast<char>(0x80 | ((codepoint >> 6) & 0x3F));
buf[3] = static_cast<char>(0x80 | (codepoint & 0x3F));
buf[4] = '\0';
return 4;
}
buf[0] = '\0';
return 0;
}
void PowerNodeWidget::parseText() {
labelText_[0] = '\0';
valueFormat_[0] = '\0';
leftFormat_[0] = '\0';
rightFormat_[0] = '\0';
// Parse primary text (label\nformat)
const char* text = config_.text;
if (text && text[0] != '\0') {
const char* newline = strchr(text, '\n');
if (newline) {
size_t labelLen = static_cast<size_t>(newline - text);
if (labelLen >= MAX_TEXT_LEN) labelLen = MAX_TEXT_LEN - 1;
memcpy(labelText_, text, labelLen);
labelText_[labelLen] = '\0';
strncpy(valueFormat_, newline + 1, MAX_TEXT_LEN - 1);
valueFormat_[MAX_TEXT_LEN - 1] = '\0';
} else {
strncpy(labelText_, text, MAX_TEXT_LEN - 1);
labelText_[MAX_TEXT_LEN - 1] = '\0';
}
}
// Copy left format from text2
if (config_.text2[0] != '\0') {
strncpy(leftFormat_, config_.text2, MAX_FORMAT_LEN - 1);
leftFormat_[MAX_FORMAT_LEN - 1] = '\0';
}
// Copy right format from text3
if (config_.text3[0] != '\0') {
strncpy(rightFormat_, config_.text3, MAX_FORMAT_LEN - 1);
rightFormat_[MAX_FORMAT_LEN - 1] = '\0';
}
}
lv_obj_t* PowerNodeWidget::create(lv_obj_t* parent) {
parseText();
obj_ = lv_obj_create(parent);
if (obj_ == nullptr) {
return nullptr;
}
set_obj_name(obj_, "PowerNode", config_.id, nullptr);
lv_obj_remove_style_all(obj_);
lv_obj_set_pos(obj_, config_.x, config_.y);
lv_obj_set_size(obj_,
config_.width > 0 ? config_.width : 120,
config_.height > 0 ? config_.height : 120);
lv_obj_clear_flag(obj_, LV_OBJ_FLAG_SCROLLABLE);
lv_obj_set_flex_flow(obj_, LV_FLEX_FLOW_COLUMN);
lv_obj_set_flex_align(obj_, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_set_style_pad_all(obj_, 6, 0);
lv_obj_set_style_pad_gap(obj_, 2, 0);
// Top label (title)
if (labelText_[0] != '\0') {
labelLabel_ = lv_label_create(obj_);
set_obj_name(labelLabel_, "PowerNode", config_.id, "label");
lv_label_set_text(labelLabel_, labelText_);
lv_obj_clear_flag(labelLabel_, LV_OBJ_FLAG_CLICKABLE);
}
// Check if we have left/right values (dual-value mode)
bool hasDualValues = (config_.knxAddress2 > 0 || config_.knxAddress3 > 0);
if (hasDualValues) {
// Create middle row container for: left | icon | right
middleRow_ = lv_obj_create(obj_);
lv_obj_remove_style_all(middleRow_);
set_obj_name(middleRow_, "PowerNode", config_.id, "middleRow");
lv_obj_set_size(middleRow_, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
lv_obj_clear_flag(middleRow_, LV_OBJ_FLAG_SCROLLABLE);
lv_obj_set_flex_flow(middleRow_, LV_FLEX_FLOW_ROW);
lv_obj_set_flex_align(middleRow_, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_set_style_pad_gap(middleRow_, 8, 0);
// Left value label (secondary)
if (config_.knxAddress2 > 0) {
leftLabel_ = lv_label_create(middleRow_);
set_obj_name(leftLabel_, "PowerNode", config_.id, "left");
lv_label_set_text(leftLabel_, leftFormat_[0] != '\0' ? leftFormat_ : "");
lv_obj_clear_flag(leftLabel_, LV_OBJ_FLAG_CLICKABLE);
}
// Center icon
if (config_.iconCodepoint > 0 && Fonts::hasIconFont()) {
iconLabel_ = lv_label_create(middleRow_);
set_obj_name(iconLabel_, "PowerNode", config_.id, "icon");
char iconText[5];
encodeUtf8(config_.iconCodepoint, iconText);
lv_label_set_text(iconLabel_, iconText);
lv_obj_clear_flag(iconLabel_, LV_OBJ_FLAG_CLICKABLE);
}
// Right value label (tertiary)
if (config_.knxAddress3 > 0) {
rightLabel_ = lv_label_create(middleRow_);
set_obj_name(rightLabel_, "PowerNode", config_.id, "right");
lv_label_set_text(rightLabel_, rightFormat_[0] != '\0' ? rightFormat_ : "");
lv_obj_clear_flag(rightLabel_, LV_OBJ_FLAG_CLICKABLE);
}
} else {
// Original layout: icon in column flow
if (config_.iconCodepoint > 0 && Fonts::hasIconFont()) {
iconLabel_ = lv_label_create(obj_);
set_obj_name(iconLabel_, "PowerNode", config_.id, "icon");
char iconText[5];
encodeUtf8(config_.iconCodepoint, iconText);
lv_label_set_text(iconLabel_, iconText);
lv_obj_clear_flag(iconLabel_, LV_OBJ_FLAG_CLICKABLE);
}
}
// Bottom value label (primary)
valueLabel_ = lv_label_create(obj_);
set_obj_name(valueLabel_, "PowerNode", config_.id, "value");
if (valueFormat_[0] != '\0') {
lv_label_set_text(valueLabel_, valueFormat_);
} else {
lv_label_set_text(valueLabel_, "");
}
lv_obj_clear_flag(valueLabel_, LV_OBJ_FLAG_CLICKABLE);
return obj_;
}
void PowerNodeWidget::applyStyle() {
if (obj_ == nullptr) return;
lv_obj_set_style_bg_color(obj_, lv_color_white(), 0);
lv_obj_set_style_bg_opa(obj_, LV_OPA_COVER, 0);
lv_obj_set_style_radius(obj_, LV_RADIUS_CIRCLE, 0);
int16_t minSide = config_.width < config_.height ? config_.width : config_.height;
int16_t ring = minSide / 12;
if (ring < 2) ring = 2;
if (ring > 12) ring = 12;
lv_obj_set_style_border_width(obj_, ring, 0);
lv_obj_set_style_border_color(obj_, lv_color_make(
config_.bgColor.r, config_.bgColor.g, config_.bgColor.b), 0);
lv_obj_set_style_border_opa(obj_, config_.bgOpacity, 0);
applyShadowStyle();
uint8_t valueSizeIdx = config_.fontSize;
uint8_t labelSizeIdx = valueSizeIdx > 0 ? static_cast<uint8_t>(valueSizeIdx - 1) : valueSizeIdx;
uint8_t sideValueSizeIdx = labelSizeIdx; // Left/right values use smaller font
if (labelLabel_ != nullptr) {
lv_obj_set_style_text_color(labelLabel_, lv_color_make(
config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
lv_obj_set_style_text_font(labelLabel_, Fonts::bySizeIndex(labelSizeIdx), 0);
lv_obj_set_style_text_align(labelLabel_, LV_TEXT_ALIGN_CENTER, 0);
lv_obj_set_style_text_opa(labelLabel_, LV_OPA_70, 0);
}
if (iconLabel_ != nullptr) {
lv_obj_set_style_text_color(iconLabel_, lv_color_make(
config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
uint8_t sizeIdx = config_.iconSize < 6 ? config_.iconSize : valueSizeIdx;
lv_obj_set_style_text_font(iconLabel_, Fonts::iconFont(sizeIdx), 0);
lv_obj_set_style_text_align(iconLabel_, LV_TEXT_ALIGN_CENTER, 0);
}
if (leftLabel_ != nullptr) {
lv_obj_set_style_text_color(leftLabel_, lv_color_make(
config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
lv_obj_set_style_text_font(leftLabel_, Fonts::bySizeIndex(sideValueSizeIdx), 0);
lv_obj_set_style_text_align(leftLabel_, LV_TEXT_ALIGN_RIGHT, 0);
}
if (rightLabel_ != nullptr) {
lv_obj_set_style_text_color(rightLabel_, lv_color_make(
config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
lv_obj_set_style_text_font(rightLabel_, Fonts::bySizeIndex(sideValueSizeIdx), 0);
lv_obj_set_style_text_align(rightLabel_, LV_TEXT_ALIGN_LEFT, 0);
}
if (valueLabel_ != nullptr) {
lv_obj_set_style_text_color(valueLabel_, lv_color_make(
config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
lv_obj_set_style_text_font(valueLabel_, Fonts::bySizeIndex(valueSizeIdx), 0);
lv_obj_set_style_text_align(valueLabel_, LV_TEXT_ALIGN_CENTER, 0);
}
}
void PowerNodeWidget::updateValueText(const char* text) {
if (valueLabel_ == nullptr || text == nullptr) return;
set_label_text_if_changed(valueLabel_, text);
}
void PowerNodeWidget::updateLeftText(const char* text) {
if (leftLabel_ == nullptr || text == nullptr) return;
set_label_text_if_changed(leftLabel_, text);
}
void PowerNodeWidget::updateRightText(const char* text) {
if (rightLabel_ == nullptr || text == nullptr) return;
set_label_text_if_changed(rightLabel_, text);
}
void PowerNodeWidget::updateIcon(uint32_t codepoint) {
if (iconLabel_ == nullptr || codepoint == 0) return;
char iconText[5];
encodeUtf8(codepoint, iconText);
set_label_text_if_changed(iconLabel_, iconText);
}
static bool isNumericSource(TextSource source) {
return source == TextSource::KNX_DPT_TEMP ||
source == TextSource::KNX_DPT_PERCENT ||
source == TextSource::KNX_DPT_POWER ||
source == TextSource::KNX_DPT_ENERGY ||
source == TextSource::KNX_DPT_DECIMALFACTOR;
}
static void formatValue(char* buf, size_t bufSize, float value, const char* fmt, TextSource source) {
const char* useFmt = (fmt && fmt[0] != '\0') ? fmt : "%0.1f";
if (source == TextSource::KNX_DPT_PERCENT ||
source == TextSource::KNX_DPT_DECIMALFACTOR) {
int intVal = static_cast<int>(value + 0.5f);
snprintf(buf, bufSize, useFmt, intVal);
} else {
snprintf(buf, bufSize, useFmt, value);
}
}
void PowerNodeWidget::onKnxValue(float value) {
// Cache and call base for condition evaluation
cachedPrimaryValue_ = value;
hasCachedPrimary_ = true;
if (valueLabel_ == nullptr) return;
if (!isNumericSource(config_.textSource)) return;
char buf[32];
formatValue(buf, sizeof(buf), value, valueFormat_, config_.textSource);
updateValueText(buf);
// Evaluate conditions after updating value
evaluateConditions(cachedPrimaryValue_, cachedSecondaryValue_, cachedTertiaryValue_);
}
void PowerNodeWidget::onKnxValue2(float value) {
cachedSecondaryValue_ = value;
hasCachedSecondary_ = true;
if (leftLabel_ == nullptr) return;
if (!isNumericSource(config_.textSource2)) return;
char buf[32];
formatValue(buf, sizeof(buf), value, leftFormat_, config_.textSource2);
updateLeftText(buf);
// Evaluate conditions after updating value
evaluateConditions(cachedPrimaryValue_, cachedSecondaryValue_, cachedTertiaryValue_);
}
void PowerNodeWidget::onKnxValue3(float value) {
cachedTertiaryValue_ = value;
hasCachedTertiary_ = true;
if (rightLabel_ == nullptr) return;
if (!isNumericSource(config_.textSource3)) return;
char buf[32];
formatValue(buf, sizeof(buf), value, rightFormat_, config_.textSource3);
updateRightText(buf);
// Evaluate conditions after updating value
evaluateConditions(cachedPrimaryValue_, cachedSecondaryValue_, cachedTertiaryValue_);
}
void PowerNodeWidget::onKnxSwitch(bool value) {
if (valueLabel_ == nullptr) return;
if (config_.textSource != TextSource::KNX_DPT_SWITCH) return;
updateValueText(value ? "EIN" : "AUS");
}
void PowerNodeWidget::onKnxText(const char* text) {
if (valueLabel_ == nullptr) return;
if (config_.textSource != TextSource::KNX_DPT_TEXT) return;
updateValueText(text);
}
bool PowerNodeWidget::evaluateConditions(float primaryValue, float secondaryValue, float tertiaryValue) {
if (config_.conditionCount == 0) return false;
const StyleCondition* bestMatch = nullptr;
uint8_t bestPriority = 255;
for (uint8_t i = 0; i < config_.conditionCount && i < MAX_CONDITIONS; ++i) {
const StyleCondition& cond = config_.conditions[i];
if (!cond.enabled) continue;
// Get the value to check based on source
float checkValue = 0.0f;
bool hasValue = false;
switch (cond.source) {
case ConditionSource::PRIMARY:
checkValue = primaryValue;
hasValue = hasCachedPrimary_;
break;
case ConditionSource::SECONDARY:
checkValue = secondaryValue;
hasValue = hasCachedSecondary_;
break;
case ConditionSource::TERTIARY:
checkValue = tertiaryValue;
hasValue = hasCachedTertiary_;
break;
}
if (!hasValue) continue;
// Evaluate condition
bool matches = false;
switch (cond.op) {
case ConditionOp::LESS:
matches = checkValue < cond.threshold;
break;
case ConditionOp::LESS_EQUAL:
matches = checkValue <= cond.threshold;
break;
case ConditionOp::EQUAL:
matches = checkValue == cond.threshold;
break;
case ConditionOp::GREATER_EQUAL:
matches = checkValue >= cond.threshold;
break;
case ConditionOp::GREATER:
matches = checkValue > cond.threshold;
break;
case ConditionOp::NOT_EQUAL:
matches = checkValue != cond.threshold;
break;
}
if (matches && cond.priority < bestPriority) {
bestMatch = &cond;
bestPriority = cond.priority;
}
}
if (bestMatch) {
// Apply icon change
if (bestMatch->style.iconCodepoint != 0 &&
bestMatch->style.iconCodepoint != currentConditionIcon_) {
updateIcon(bestMatch->style.iconCodepoint);
currentConditionIcon_ = bestMatch->style.iconCodepoint;
}
// Apply text color to icon
if ((bestMatch->style.flags & ConditionStyle::FLAG_USE_TEXT_COLOR) && iconLabel_) {
lv_obj_set_style_text_color(iconLabel_, lv_color_make(
bestMatch->style.textColor.r,
bestMatch->style.textColor.g,
bestMatch->style.textColor.b), 0);
}
// Apply border color change (bgColor affects border in PowerNode)
if (bestMatch->style.flags & ConditionStyle::FLAG_USE_BG_COLOR) {
lv_obj_set_style_border_color(obj_, lv_color_make(
bestMatch->style.bgColor.r,
bestMatch->style.bgColor.g,
bestMatch->style.bgColor.b), 0);
}
// Handle hide flag
if (bestMatch->style.flags & ConditionStyle::FLAG_HIDE) {
lv_obj_add_flag(obj_, LV_OBJ_FLAG_HIDDEN);
} else {
lv_obj_clear_flag(obj_, LV_OBJ_FLAG_HIDDEN);
}
return true;
}
return false;
}