113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
#include "IconWidget.hpp"
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#include "../Fonts.hpp"
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#include "esp_log.h"
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static const char* TAG = "IconWidget";
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IconWidget::IconWidget(const WidgetConfig& config)
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: Widget(config)
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, iconLabel_(nullptr)
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{
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}
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int IconWidget::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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lv_obj_t* IconWidget::create(lv_obj_t* parent) {
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// Create container for the icon
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obj_ = lv_obj_create(parent);
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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_, config_.width > 0 ? config_.width : 48,
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config_.height > 0 ? config_.height : 48);
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// Create icon label
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iconLabel_ = lv_label_create(obj_);
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if (config_.iconCodepoint > 0) {
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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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} else {
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lv_label_set_text(iconLabel_, "?");
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}
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lv_obj_center(iconLabel_);
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ESP_LOGI(TAG, "Created icon widget (codepoint: 0x%lx) at %d,%d",
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(unsigned long)config_.iconCodepoint, config_.x, config_.y);
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return obj_;
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}
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void IconWidget::applyStyle() {
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if (obj_ == nullptr) return;
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// Background
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if (config_.bgOpacity > 0) {
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lv_obj_set_style_bg_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_bg_opa(obj_, config_.bgOpacity, 0);
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}
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// Border radius
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if (config_.borderRadius > 0) {
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lv_obj_set_style_radius(obj_, config_.borderRadius, 0);
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}
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// Apply icon style
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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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// Use icon font
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uint8_t sizeIdx = config_.iconSize < 6 ? config_.iconSize : config_.fontSize;
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if (Fonts::hasIconFont()) {
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lv_obj_set_style_text_font(iconLabel_, Fonts::iconFont(sizeIdx), 0);
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} else {
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// Fallback to text font (won't show correct icon, but won't crash)
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lv_obj_set_style_text_font(iconLabel_, Fonts::bySizeIndex(sizeIdx), 0);
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}
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}
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}
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void IconWidget::onKnxSwitch(bool value) {
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if (iconLabel_ == nullptr) return;
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if (config_.textSource != TextSource::KNX_DPT_SWITCH) return;
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// Change icon color based on switch state
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if (value) {
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// Use text color for "on" state (default)
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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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} else {
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// Dim color for "off" state (50% brightness)
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lv_obj_set_style_text_color(iconLabel_, lv_color_make(
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config_.textColor.r / 2, config_.textColor.g / 2, config_.textColor.b / 2), 0);
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}
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}
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