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xiaozhi-esp32/main/display/lcd_display.cc
Xiaoxia 511349a7bd Change LCD display layout from grids to layers (#1438) 
* Upgrade component version

* update fonts component version

* change lcd display layout from grids to layers

* Update English README as default

* Handle OTA error code
2025-11-17 22:38:31 +08:00

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#include "lcd_display.h"
#include "gif/lvgl_gif.h"
#include "settings.h"
#include "lvgl_theme.h"
#include "assets/lang_config.h"
#include <vector>
#include <algorithm>
#include <font_awesome.h>
#include <esp_log.h>
#include <esp_err.h>
#include <esp_lvgl_port.h>
#include <esp_psram.h>
#include <cstring>
#include "board.h"
#define TAG "LcdDisplay"
LV_FONT_DECLARE(BUILTIN_TEXT_FONT);
LV_FONT_DECLARE(BUILTIN_ICON_FONT);
LV_FONT_DECLARE(font_awesome_30_4);
void LcdDisplay::InitializeLcdThemes() {
auto text_font = std::make_shared<LvglBuiltInFont>(&BUILTIN_TEXT_FONT);
auto icon_font = std::make_shared<LvglBuiltInFont>(&BUILTIN_ICON_FONT);
auto large_icon_font = std::make_shared<LvglBuiltInFont>(&font_awesome_30_4);
// light theme
auto light_theme = new LvglTheme("light");
light_theme->set_background_color(lv_color_hex(0xFFFFFF));
light_theme->set_text_color(lv_color_hex(0x000000));
light_theme->set_chat_background_color(lv_color_hex(0xE0E0E0));
light_theme->set_user_bubble_color(lv_color_hex(0x00FF00));
light_theme->set_assistant_bubble_color(lv_color_hex(0xDDDDDD));
light_theme->set_system_bubble_color(lv_color_hex(0xFFFFFF));
light_theme->set_system_text_color(lv_color_hex(0x000000));
light_theme->set_border_color(lv_color_hex(0x000000));
light_theme->set_low_battery_color(lv_color_hex(0x000000));
light_theme->set_text_font(text_font);
light_theme->set_icon_font(icon_font);
light_theme->set_large_icon_font(large_icon_font);
// dark theme
auto dark_theme = new LvglTheme("dark");
dark_theme->set_background_color(lv_color_hex(0x000000));
dark_theme->set_text_color(lv_color_hex(0xFFFFFF));
dark_theme->set_chat_background_color(lv_color_hex(0x1F1F1F));
dark_theme->set_user_bubble_color(lv_color_hex(0x00FF00));
dark_theme->set_assistant_bubble_color(lv_color_hex(0x222222));
dark_theme->set_system_bubble_color(lv_color_hex(0x000000));
dark_theme->set_system_text_color(lv_color_hex(0xFFFFFF));
dark_theme->set_border_color(lv_color_hex(0xFFFFFF));
dark_theme->set_low_battery_color(lv_color_hex(0xFF0000));
dark_theme->set_text_font(text_font);
dark_theme->set_icon_font(icon_font);
dark_theme->set_large_icon_font(large_icon_font);
auto& theme_manager = LvglThemeManager::GetInstance();
theme_manager.RegisterTheme("light", light_theme);
theme_manager.RegisterTheme("dark", dark_theme);
}
LcdDisplay::LcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel, int width, int height)
: panel_io_(panel_io), panel_(panel) {
width_ = width;
height_ = height;
// Initialize LCD themes
InitializeLcdThemes();
// Load theme from settings
Settings settings("display", false);
std::string theme_name = settings.GetString("theme", "light");
current_theme_ = LvglThemeManager::GetInstance().GetTheme(theme_name);
// Create a timer to hide the preview image
esp_timer_create_args_t preview_timer_args = {
.callback = [](void* arg) {
LcdDisplay* display = static_cast<LcdDisplay*>(arg);
display->SetPreviewImage(nullptr);
},
.arg = this,
.dispatch_method = ESP_TIMER_TASK,
.name = "preview_timer",
.skip_unhandled_events = false,
};
esp_timer_create(&preview_timer_args, &preview_timer_);
}
SpiLcdDisplay::SpiLcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
int width, int height, int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy)
: LcdDisplay(panel_io, panel, width, height) {
// draw white
std::vector<uint16_t> buffer(width_, 0xFFFF);
for (int y = 0; y < height_; y++) {
esp_lcd_panel_draw_bitmap(panel_, 0, y, width_, y + 1, buffer.data());
}
// Set the display to on
ESP_LOGI(TAG, "Turning display on");
{
esp_err_t __err = esp_lcd_panel_disp_on_off(panel_, true);
if (__err == ESP_ERR_NOT_SUPPORTED) {
ESP_LOGW(TAG, "Panel does not support disp_on_off; assuming ON");
} else {
ESP_ERROR_CHECK(__err);
}
}
ESP_LOGI(TAG, "Initialize LVGL library");
lv_init();
#if CONFIG_SPIRAM
// lv image cache, currently only PNG is supported
size_t psram_size_mb = esp_psram_get_size() / 1024 / 1024;
if (psram_size_mb >= 8) {
lv_image_cache_resize(2 * 1024 * 1024, true);
ESP_LOGI(TAG, "Use 2MB of PSRAM for image cache");
} else if (psram_size_mb >= 2) {
lv_image_cache_resize(512 * 1024, true);
ESP_LOGI(TAG, "Use 512KB of PSRAM for image cache");
}
#endif
ESP_LOGI(TAG, "Initialize LVGL port");
lvgl_port_cfg_t port_cfg = ESP_LVGL_PORT_INIT_CONFIG();
port_cfg.task_priority = 1;
#if CONFIG_SOC_CPU_CORES_NUM > 1
port_cfg.task_affinity = 1;
#endif
lvgl_port_init(&port_cfg);
ESP_LOGI(TAG, "Adding LCD display");
const lvgl_port_display_cfg_t display_cfg = {
.io_handle = panel_io_,
.panel_handle = panel_,
.control_handle = nullptr,
.buffer_size = static_cast<uint32_t>(width_ * 20),
.double_buffer = false,
.trans_size = 0,
.hres = static_cast<uint32_t>(width_),
.vres = static_cast<uint32_t>(height_),
.monochrome = false,
.rotation = {
.swap_xy = swap_xy,
.mirror_x = mirror_x,
.mirror_y = mirror_y,
},
.color_format = LV_COLOR_FORMAT_RGB565,
.flags = {
.buff_dma = 1,
.buff_spiram = 0,
.sw_rotate = 0,
.swap_bytes = 1,
.full_refresh = 0,
.direct_mode = 0,
},
};
display_ = lvgl_port_add_disp(&display_cfg);
if (display_ == nullptr) {
ESP_LOGE(TAG, "Failed to add display");
return;
}
if (offset_x != 0 || offset_y != 0) {
lv_display_set_offset(display_, offset_x, offset_y);
}
SetupUI();
}
// RGB LCD implementation
RgbLcdDisplay::RgbLcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
int width, int height, int offset_x, int offset_y,
bool mirror_x, bool mirror_y, bool swap_xy)
: LcdDisplay(panel_io, panel, width, height) {
// draw white
std::vector<uint16_t> buffer(width_, 0xFFFF);
for (int y = 0; y < height_; y++) {
esp_lcd_panel_draw_bitmap(panel_, 0, y, width_, y + 1, buffer.data());
}
ESP_LOGI(TAG, "Initialize LVGL library");
lv_init();
ESP_LOGI(TAG, "Initialize LVGL port");
lvgl_port_cfg_t port_cfg = ESP_LVGL_PORT_INIT_CONFIG();
port_cfg.task_priority = 1;
port_cfg.timer_period_ms = 50;
lvgl_port_init(&port_cfg);
ESP_LOGI(TAG, "Adding LCD display");
const lvgl_port_display_cfg_t display_cfg = {
.io_handle = panel_io_,
.panel_handle = panel_,
.buffer_size = static_cast<uint32_t>(width_ * 20),
.double_buffer = true,
.hres = static_cast<uint32_t>(width_),
.vres = static_cast<uint32_t>(height_),
.rotation = {
.swap_xy = swap_xy,
.mirror_x = mirror_x,
.mirror_y = mirror_y,
},
.flags = {
.buff_dma = 1,
.swap_bytes = 0,
.full_refresh = 1,
.direct_mode = 1,
},
};
const lvgl_port_display_rgb_cfg_t rgb_cfg = {
.flags = {
.bb_mode = true,
.avoid_tearing = true,
}
};
display_ = lvgl_port_add_disp_rgb(&display_cfg, &rgb_cfg);
if (display_ == nullptr) {
ESP_LOGE(TAG, "Failed to add RGB display");
return;
}
if (offset_x != 0 || offset_y != 0) {
lv_display_set_offset(display_, offset_x, offset_y);
}
SetupUI();
}
MipiLcdDisplay::MipiLcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
int width, int height, int offset_x, int offset_y,
bool mirror_x, bool mirror_y, bool swap_xy)
: LcdDisplay(panel_io, panel, width, height) {
ESP_LOGI(TAG, "Initialize LVGL library");
lv_init();
ESP_LOGI(TAG, "Initialize LVGL port");
lvgl_port_cfg_t port_cfg = ESP_LVGL_PORT_INIT_CONFIG();
lvgl_port_init(&port_cfg);
ESP_LOGI(TAG, "Adding LCD display");
const lvgl_port_display_cfg_t disp_cfg = {
.io_handle = panel_io,
.panel_handle = panel,
.control_handle = nullptr,
.buffer_size = static_cast<uint32_t>(width_ * 50),
.double_buffer = false,
.hres = static_cast<uint32_t>(width_),
.vres = static_cast<uint32_t>(height_),
.monochrome = false,
/* Rotation values must be same as used in esp_lcd for initial settings of the screen */
.rotation = {
.swap_xy = swap_xy,
.mirror_x = mirror_x,
.mirror_y = mirror_y,
},
.flags = {
.buff_dma = true,
.buff_spiram =false,
.sw_rotate = true,
},
};
const lvgl_port_display_dsi_cfg_t dpi_cfg = {
.flags = {
.avoid_tearing = false,
}
};
display_ = lvgl_port_add_disp_dsi(&disp_cfg, &dpi_cfg);
if (display_ == nullptr) {
ESP_LOGE(TAG, "Failed to add display");
return;
}
if (offset_x != 0 || offset_y != 0) {
lv_display_set_offset(display_, offset_x, offset_y);
}
SetupUI();
}
LcdDisplay::~LcdDisplay() {
SetPreviewImage(nullptr);
// Clean up GIF controller
if (gif_controller_) {
gif_controller_->Stop();
gif_controller_.reset();
}
if (preview_timer_ != nullptr) {
esp_timer_stop(preview_timer_);
esp_timer_delete(preview_timer_);
}
if (preview_image_ != nullptr) {
lv_obj_del(preview_image_);
}
if (chat_message_label_ != nullptr) {
lv_obj_del(chat_message_label_);
}
if (emoji_label_ != nullptr) {
lv_obj_del(emoji_label_);
}
if (emoji_image_ != nullptr) {
lv_obj_del(emoji_image_);
}
if (emoji_box_ != nullptr) {
lv_obj_del(emoji_box_);
}
if (content_ != nullptr) {
lv_obj_del(content_);
}
if (bottom_bar_ != nullptr) {
lv_obj_del(bottom_bar_);
}
if (status_bar_ != nullptr) {
lv_obj_del(status_bar_);
}
if (top_bar_ != nullptr) {
lv_obj_del(top_bar_);
}
if (side_bar_ != nullptr) {
lv_obj_del(side_bar_);
}
if (container_ != nullptr) {
lv_obj_del(container_);
}
if (display_ != nullptr) {
lv_display_delete(display_);
}
if (panel_ != nullptr) {
esp_lcd_panel_del(panel_);
}
if (panel_io_ != nullptr) {
esp_lcd_panel_io_del(panel_io_);
}
}
bool LcdDisplay::Lock(int timeout_ms) {
return lvgl_port_lock(timeout_ms);
}
void LcdDisplay::Unlock() {
lvgl_port_unlock();
}
#if CONFIG_USE_WECHAT_MESSAGE_STYLE
void LcdDisplay::SetupUI() {
DisplayLockGuard lock(this);
auto lvgl_theme = static_cast<LvglTheme*>(current_theme_);
auto text_font = lvgl_theme->text_font()->font();
auto icon_font = lvgl_theme->icon_font()->font();
auto large_icon_font = lvgl_theme->large_icon_font()->font();
auto screen = lv_screen_active();
lv_obj_set_style_text_font(screen, text_font, 0);
lv_obj_set_style_text_color(screen, lvgl_theme->text_color(), 0);
lv_obj_set_style_bg_color(screen, lvgl_theme->background_color(), 0);
/* Container */
container_ = lv_obj_create(screen);
lv_obj_set_size(container_, LV_HOR_RES, LV_VER_RES);
lv_obj_set_style_radius(container_, 0, 0);
lv_obj_set_flex_flow(container_, LV_FLEX_FLOW_COLUMN);
lv_obj_set_style_pad_all(container_, 0, 0);
lv_obj_set_style_border_width(container_, 0, 0);
lv_obj_set_style_pad_row(container_, 0, 0);
lv_obj_set_style_bg_color(container_, lvgl_theme->background_color(), 0);
lv_obj_set_style_border_color(container_, lvgl_theme->border_color(), 0);
/* Layer 1: Top bar - for status icons */
top_bar_ = lv_obj_create(container_);
lv_obj_set_size(top_bar_, LV_HOR_RES, LV_SIZE_CONTENT);
lv_obj_set_style_radius(top_bar_, 0, 0);
lv_obj_set_style_bg_opa(top_bar_, LV_OPA_50, 0); // 50% opacity background
lv_obj_set_style_bg_color(top_bar_, lvgl_theme->background_color(), 0);
lv_obj_set_style_border_width(top_bar_, 0, 0);
lv_obj_set_style_pad_all(top_bar_, 0, 0);
lv_obj_set_style_pad_top(top_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_style_pad_bottom(top_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_style_pad_left(top_bar_, lvgl_theme->spacing(4), 0);
lv_obj_set_style_pad_right(top_bar_, lvgl_theme->spacing(4), 0);
lv_obj_set_flex_flow(top_bar_, LV_FLEX_FLOW_ROW);
lv_obj_set_flex_align(top_bar_, LV_FLEX_ALIGN_SPACE_BETWEEN, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_set_scrollbar_mode(top_bar_, LV_SCROLLBAR_MODE_OFF);
// Left icon
network_label_ = lv_label_create(top_bar_);
lv_label_set_text(network_label_, "");
lv_obj_set_style_text_font(network_label_, icon_font, 0);
lv_obj_set_style_text_color(network_label_, lvgl_theme->text_color(), 0);
// Right icons container
lv_obj_t* right_icons = lv_obj_create(top_bar_);
lv_obj_set_size(right_icons, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
lv_obj_set_style_bg_opa(right_icons, LV_OPA_TRANSP, 0);
lv_obj_set_style_border_width(right_icons, 0, 0);
lv_obj_set_style_pad_all(right_icons, 0, 0);
lv_obj_set_flex_flow(right_icons, LV_FLEX_FLOW_ROW);
lv_obj_set_flex_align(right_icons, LV_FLEX_ALIGN_END, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
mute_label_ = lv_label_create(right_icons);
lv_label_set_text(mute_label_, "");
lv_obj_set_style_text_font(mute_label_, icon_font, 0);
lv_obj_set_style_text_color(mute_label_, lvgl_theme->text_color(), 0);
battery_label_ = lv_label_create(right_icons);
lv_label_set_text(battery_label_, "");
lv_obj_set_style_text_font(battery_label_, icon_font, 0);
lv_obj_set_style_text_color(battery_label_, lvgl_theme->text_color(), 0);
lv_obj_set_style_margin_left(battery_label_, lvgl_theme->spacing(2), 0);
/* Layer 2: Status bar - for center text labels */
status_bar_ = lv_obj_create(screen);
lv_obj_set_size(status_bar_, LV_HOR_RES, LV_SIZE_CONTENT);
lv_obj_set_style_radius(status_bar_, 0, 0);
lv_obj_set_style_bg_opa(status_bar_, LV_OPA_TRANSP, 0); // Transparent background
lv_obj_set_style_border_width(status_bar_, 0, 0);
lv_obj_set_style_pad_all(status_bar_, 0, 0);
lv_obj_set_style_pad_top(status_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_style_pad_bottom(status_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_scrollbar_mode(status_bar_, LV_SCROLLBAR_MODE_OFF);
lv_obj_set_style_layout(status_bar_, LV_LAYOUT_NONE, 0); // Use absolute positioning
lv_obj_align(status_bar_, LV_ALIGN_TOP_MID, 0, 0); // Overlap with top_bar_
notification_label_ = lv_label_create(status_bar_);
lv_obj_set_width(notification_label_, LV_HOR_RES * 0.8);
lv_obj_set_style_text_align(notification_label_, LV_TEXT_ALIGN_CENTER, 0);
lv_obj_set_style_text_color(notification_label_, lvgl_theme->text_color(), 0);
lv_label_set_text(notification_label_, "");
lv_obj_align(notification_label_, LV_ALIGN_CENTER, 0, 0);
lv_obj_add_flag(notification_label_, LV_OBJ_FLAG_HIDDEN);
status_label_ = lv_label_create(status_bar_);
lv_obj_set_width(status_label_, LV_HOR_RES * 0.8);
lv_label_set_long_mode(status_label_, LV_LABEL_LONG_SCROLL_CIRCULAR);
lv_obj_set_style_text_align(status_label_, LV_TEXT_ALIGN_CENTER, 0);
lv_obj_set_style_text_color(status_label_, lvgl_theme->text_color(), 0);
lv_label_set_text(status_label_, Lang::Strings::INITIALIZING);
lv_obj_align(status_label_, LV_ALIGN_CENTER, 0, 0);
/* Content - Chat area */
content_ = lv_obj_create(container_);
lv_obj_set_style_radius(content_, 0, 0);
lv_obj_set_width(content_, LV_HOR_RES);
lv_obj_set_flex_grow(content_, 1);
lv_obj_set_style_pad_all(content_, lvgl_theme->spacing(4), 0);
lv_obj_set_style_border_width(content_, 0, 0);
lv_obj_set_style_bg_color(content_, lvgl_theme->chat_background_color(), 0); // Background for chat area
// Enable scrolling for chat content
lv_obj_set_scrollbar_mode(content_, LV_SCROLLBAR_MODE_OFF);
lv_obj_set_scroll_dir(content_, LV_DIR_VER);
// Create a flex container for chat messages
lv_obj_set_flex_flow(content_, LV_FLEX_FLOW_COLUMN);
lv_obj_set_flex_align(content_, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START);
lv_obj_set_style_pad_row(content_, lvgl_theme->spacing(4), 0); // Space between messages
// We'll create chat messages dynamically in SetChatMessage
chat_message_label_ = nullptr;
low_battery_popup_ = lv_obj_create(screen);
lv_obj_set_scrollbar_mode(low_battery_popup_, LV_SCROLLBAR_MODE_OFF);
lv_obj_set_size(low_battery_popup_, LV_HOR_RES * 0.9, text_font->line_height * 2);
lv_obj_align(low_battery_popup_, LV_ALIGN_BOTTOM_MID, 0, -lvgl_theme->spacing(4));
lv_obj_set_style_bg_color(low_battery_popup_, lvgl_theme->low_battery_color(), 0);
lv_obj_set_style_radius(low_battery_popup_, lvgl_theme->spacing(4), 0);
low_battery_label_ = lv_label_create(low_battery_popup_);
lv_label_set_text(low_battery_label_, Lang::Strings::BATTERY_NEED_CHARGE);
lv_obj_set_style_text_color(low_battery_label_, lv_color_white(), 0);
lv_obj_center(low_battery_label_);
lv_obj_add_flag(low_battery_popup_, LV_OBJ_FLAG_HIDDEN);
emoji_image_ = lv_img_create(screen);
lv_obj_align(emoji_image_, LV_ALIGN_TOP_MID, 0, text_font->line_height + lvgl_theme->spacing(8));
// Display AI logo while booting
emoji_label_ = lv_label_create(screen);
lv_obj_center(emoji_label_);
lv_obj_set_style_text_font(emoji_label_, large_icon_font, 0);
lv_obj_set_style_text_color(emoji_label_, lvgl_theme->text_color(), 0);
lv_label_set_text(emoji_label_, FONT_AWESOME_MICROCHIP_AI);
}
#if CONFIG_IDF_TARGET_ESP32P4
#define MAX_MESSAGES 40
#else
#define MAX_MESSAGES 20
#endif
void LcdDisplay::SetChatMessage(const char* role, const char* content) {
DisplayLockGuard lock(this);
if (content_ == nullptr) {
return;
}
// Check if message count exceeds limit
uint32_t child_count = lv_obj_get_child_cnt(content_);
if (child_count >= MAX_MESSAGES) {
// Delete the oldest message (first child object)
lv_obj_t* first_child = lv_obj_get_child(content_, 0);
lv_obj_t* last_child = lv_obj_get_child(content_, child_count - 1);
if (first_child != nullptr) {
lv_obj_del(first_child);
}
// Scroll to the last message immediately
if (last_child != nullptr) {
lv_obj_scroll_to_view_recursive(last_child, LV_ANIM_OFF);
}
}
// Collapse system messages (if it's a system message, check if the last message is also a system message)
if (strcmp(role, "system") == 0) {
if (child_count > 0) {
// Get the last message container
lv_obj_t* last_container = lv_obj_get_child(content_, child_count - 1);
if (last_container != nullptr && lv_obj_get_child_cnt(last_container) > 0) {
// Get the bubble inside the container
lv_obj_t* last_bubble = lv_obj_get_child(last_container, 0);
if (last_bubble != nullptr) {
// Check if bubble type is system message
void* bubble_type_ptr = lv_obj_get_user_data(last_bubble);
if (bubble_type_ptr != nullptr && strcmp((const char*)bubble_type_ptr, "system") == 0) {
// If the last message is also a system message, delete it
lv_obj_del(last_container);
}
}
}
}
} else {
// Hide the centered AI logo
lv_obj_add_flag(emoji_label_, LV_OBJ_FLAG_HIDDEN);
}
// Avoid empty message boxes
if(strlen(content) == 0) {
return;
}
auto lvgl_theme = static_cast<LvglTheme*>(current_theme_);
auto text_font = lvgl_theme->text_font()->font();
// Create a message bubble
lv_obj_t* msg_bubble = lv_obj_create(content_);
lv_obj_set_style_radius(msg_bubble, 8, 0);
lv_obj_set_scrollbar_mode(msg_bubble, LV_SCROLLBAR_MODE_OFF);
lv_obj_set_style_border_width(msg_bubble, 0, 0);
lv_obj_set_style_pad_all(msg_bubble, lvgl_theme->spacing(4), 0);
// Create the message text
lv_obj_t* msg_text = lv_label_create(msg_bubble);
lv_label_set_text(msg_text, content);
// Calculate actual text width
lv_coord_t text_width = lv_txt_get_width(content, strlen(content), text_font, 0);
// Calculate bubble width
lv_coord_t max_width = LV_HOR_RES * 85 / 100 - 16; // 85% of screen width
lv_coord_t min_width = 20;
lv_coord_t bubble_width;
// Ensure text width is not less than minimum width
if (text_width < min_width) {
text_width = min_width;
}
// If text width is less than max width, use text width
if (text_width < max_width) {
bubble_width = text_width;
} else {
bubble_width = max_width;
}
// Set message text width
lv_obj_set_width(msg_text, bubble_width); // Subtract padding
lv_label_set_long_mode(msg_text, LV_LABEL_LONG_WRAP);
// Set bubble width
lv_obj_set_width(msg_bubble, bubble_width);
lv_obj_set_height(msg_bubble, LV_SIZE_CONTENT);
// Set alignment and style based on message role
if (strcmp(role, "user") == 0) {
// User messages are right-aligned with green background
lv_obj_set_style_bg_color(msg_bubble, lvgl_theme->user_bubble_color(), 0);
lv_obj_set_style_bg_opa(msg_bubble, LV_OPA_70, 0);
// Set text color for contrast
lv_obj_set_style_text_color(msg_text, lvgl_theme->text_color(), 0);
// Set custom attribute to mark bubble type
lv_obj_set_user_data(msg_bubble, (void*)"user");
// Set appropriate width for content
lv_obj_set_width(msg_bubble, LV_SIZE_CONTENT);
lv_obj_set_height(msg_bubble, LV_SIZE_CONTENT);
// Don't grow
lv_obj_set_style_flex_grow(msg_bubble, 0, 0);
} else if (strcmp(role, "assistant") == 0) {
// Assistant messages are left-aligned with white background
lv_obj_set_style_bg_color(msg_bubble, lvgl_theme->assistant_bubble_color(), 0);
lv_obj_set_style_bg_opa(msg_bubble, LV_OPA_70, 0);
// Set text color for contrast
lv_obj_set_style_text_color(msg_text, lvgl_theme->text_color(), 0);
// Set custom attribute to mark bubble type
lv_obj_set_user_data(msg_bubble, (void*)"assistant");
// Set appropriate width for content
lv_obj_set_width(msg_bubble, LV_SIZE_CONTENT);
lv_obj_set_height(msg_bubble, LV_SIZE_CONTENT);
// Don't grow
lv_obj_set_style_flex_grow(msg_bubble, 0, 0);
} else if (strcmp(role, "system") == 0) {
// System messages are center-aligned with light gray background
lv_obj_set_style_bg_color(msg_bubble, lvgl_theme->system_bubble_color(), 0);
lv_obj_set_style_bg_opa(msg_bubble, LV_OPA_70, 0);
// Set text color for contrast
lv_obj_set_style_text_color(msg_text, lvgl_theme->system_text_color(), 0);
// Set custom attribute to mark bubble type
lv_obj_set_user_data(msg_bubble, (void*)"system");
// Set appropriate width for content
lv_obj_set_width(msg_bubble, LV_SIZE_CONTENT);
lv_obj_set_height(msg_bubble, LV_SIZE_CONTENT);
// Don't grow
lv_obj_set_style_flex_grow(msg_bubble, 0, 0);
}
// Create a full-width container for user messages to ensure right alignment
if (strcmp(role, "user") == 0) {
// Create a full-width container
lv_obj_t* container = lv_obj_create(content_);
lv_obj_set_width(container, LV_HOR_RES);
lv_obj_set_height(container, LV_SIZE_CONTENT);
// Make container transparent and borderless
lv_obj_set_style_bg_opa(container, LV_OPA_TRANSP, 0);
lv_obj_set_style_border_width(container, 0, 0);
lv_obj_set_style_pad_all(container, 0, 0);
// Move the message bubble into this container
lv_obj_set_parent(msg_bubble, container);
// Right align the bubble in the container
lv_obj_align(msg_bubble, LV_ALIGN_RIGHT_MID, -25, 0);
// Auto-scroll to this container
lv_obj_scroll_to_view_recursive(container, LV_ANIM_ON);
} else if (strcmp(role, "system") == 0) {
// Create full-width container for system messages to ensure center alignment
lv_obj_t* container = lv_obj_create(content_);
lv_obj_set_width(container, LV_HOR_RES);
lv_obj_set_height(container, LV_SIZE_CONTENT);
lv_obj_set_style_bg_opa(container, LV_OPA_TRANSP, 0);
lv_obj_set_style_border_width(container, 0, 0);
lv_obj_set_style_pad_all(container, 0, 0);
lv_obj_set_parent(msg_bubble, container);
lv_obj_align(msg_bubble, LV_ALIGN_CENTER, 0, 0);
lv_obj_scroll_to_view_recursive(container, LV_ANIM_ON);
} else {
// For assistant messages
// Left align assistant messages
lv_obj_align(msg_bubble, LV_ALIGN_LEFT_MID, 0, 0);
// Auto-scroll to the message bubble
lv_obj_scroll_to_view_recursive(msg_bubble, LV_ANIM_ON);
}
// Store reference to the latest message label
chat_message_label_ = msg_text;
}
void LcdDisplay::SetPreviewImage(std::unique_ptr<LvglImage> image) {
DisplayLockGuard lock(this);
if (content_ == nullptr) {
return;
}
if (image == nullptr) {
return;
}
auto lvgl_theme = static_cast<LvglTheme*>(current_theme_);
// Create a message bubble for image preview
lv_obj_t* img_bubble = lv_obj_create(content_);
lv_obj_set_style_radius(img_bubble, 8, 0);
lv_obj_set_scrollbar_mode(img_bubble, LV_SCROLLBAR_MODE_OFF);
lv_obj_set_style_border_width(img_bubble, 0, 0);
lv_obj_set_style_pad_all(img_bubble, lvgl_theme->spacing(4), 0);
// Set image bubble background color (similar to system message)
lv_obj_set_style_bg_color(img_bubble, lvgl_theme->assistant_bubble_color(), 0);
lv_obj_set_style_bg_opa(img_bubble, LV_OPA_70, 0);
// Set custom attribute to mark bubble type
lv_obj_set_user_data(img_bubble, (void*)"image");
// Create the image object inside the bubble
lv_obj_t* preview_image = lv_image_create(img_bubble);
// Calculate appropriate size for the image
lv_coord_t max_width = LV_HOR_RES * 70 / 100; // 70% of screen width
lv_coord_t max_height = LV_VER_RES * 50 / 100; // 50% of screen height
// Calculate zoom factor to fit within maximum dimensions
auto img_dsc = image->image_dsc();
lv_coord_t img_width = img_dsc->header.w;
lv_coord_t img_height = img_dsc->header.h;
if (img_width == 0 || img_height == 0) {
img_width = max_width;
img_height = max_height;
ESP_LOGW(TAG, "Invalid image dimensions: %ld x %ld, using default dimensions: %ld x %ld", img_width, img_height, max_width, max_height);
}
lv_coord_t zoom_w = (max_width * 256) / img_width;
lv_coord_t zoom_h = (max_height * 256) / img_height;
lv_coord_t zoom = (zoom_w < zoom_h) ? zoom_w : zoom_h;
// Ensure zoom doesn't exceed 256 (100%)
if (zoom > 256) zoom = 256;
// Set image properties
lv_image_set_src(preview_image, img_dsc);
lv_image_set_scale(preview_image, zoom);
// Add event handler to clean up LvglImage when image is deleted
// We need to transfer ownership of the unique_ptr to the event callback
LvglImage* raw_image = image.release(); // Release ownership of smart pointer
lv_obj_add_event_cb(preview_image, [](lv_event_t* e) {
LvglImage* img = (LvglImage*)lv_event_get_user_data(e);
if (img != nullptr) {
delete img; // Properly release memory by deleting LvglImage object
}
}, LV_EVENT_DELETE, (void*)raw_image);
// Calculate actual scaled image dimensions
lv_coord_t scaled_width = (img_width * zoom) / 256;
lv_coord_t scaled_height = (img_height * zoom) / 256;
// Set bubble size to be 16 pixels larger than the image (8 pixels on each side)
lv_obj_set_width(img_bubble, scaled_width + 16);
lv_obj_set_height(img_bubble, scaled_height + 16);
// Don't grow in flex layout
lv_obj_set_style_flex_grow(img_bubble, 0, 0);
// Center the image within the bubble
lv_obj_center(preview_image);
// Left align the image bubble like assistant messages
lv_obj_align(img_bubble, LV_ALIGN_LEFT_MID, 0, 0);
// Auto-scroll to the image bubble
lv_obj_scroll_to_view_recursive(img_bubble, LV_ANIM_ON);
}
#else
void LcdDisplay::SetupUI() {
DisplayLockGuard lock(this);
LvglTheme* lvgl_theme = static_cast<LvglTheme*>(current_theme_);
auto text_font = lvgl_theme->text_font()->font();
auto icon_font = lvgl_theme->icon_font()->font();
auto large_icon_font = lvgl_theme->large_icon_font()->font();
auto screen = lv_screen_active();
lv_obj_set_style_text_font(screen, text_font, 0);
lv_obj_set_style_text_color(screen, lvgl_theme->text_color(), 0);
lv_obj_set_style_bg_color(screen, lvgl_theme->background_color(), 0);
/* Container - used as background */
container_ = lv_obj_create(screen);
lv_obj_set_size(container_, LV_HOR_RES, LV_VER_RES);
lv_obj_set_style_radius(container_, 0, 0);
lv_obj_set_style_pad_all(container_, 0, 0);
lv_obj_set_style_border_width(container_, 0, 0);
lv_obj_set_style_bg_color(container_, lvgl_theme->background_color(), 0);
lv_obj_set_style_border_color(container_, lvgl_theme->border_color(), 0);
/* Bottom layer: emoji_box_ - centered display */
emoji_box_ = lv_obj_create(screen);
lv_obj_set_size(emoji_box_, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
lv_obj_set_style_bg_opa(emoji_box_, LV_OPA_TRANSP, 0);
lv_obj_set_style_pad_all(emoji_box_, 0, 0);
lv_obj_set_style_border_width(emoji_box_, 0, 0);
lv_obj_align(emoji_box_, LV_ALIGN_CENTER, 0, 0);
emoji_label_ = lv_label_create(emoji_box_);
lv_obj_set_style_text_font(emoji_label_, large_icon_font, 0);
lv_obj_set_style_text_color(emoji_label_, lvgl_theme->text_color(), 0);
lv_label_set_text(emoji_label_, FONT_AWESOME_MICROCHIP_AI);
emoji_image_ = lv_img_create(emoji_box_);
lv_obj_center(emoji_image_);
lv_obj_add_flag(emoji_image_, LV_OBJ_FLAG_HIDDEN);
/* Middle layer: preview_image_ - centered display */
preview_image_ = lv_image_create(screen);
lv_obj_set_size(preview_image_, width_ / 2, height_ / 2);
lv_obj_align(preview_image_, LV_ALIGN_CENTER, 0, 0);
lv_obj_add_flag(preview_image_, LV_OBJ_FLAG_HIDDEN);
/* Layer 1: Top bar - for status icons */
top_bar_ = lv_obj_create(screen);
lv_obj_set_size(top_bar_, LV_HOR_RES, LV_SIZE_CONTENT);
lv_obj_set_style_radius(top_bar_, 0, 0);
lv_obj_set_style_bg_opa(top_bar_, LV_OPA_50, 0); // 50% opacity background
lv_obj_set_style_bg_color(top_bar_, lvgl_theme->background_color(), 0);
lv_obj_set_style_border_width(top_bar_, 0, 0);
lv_obj_set_style_pad_all(top_bar_, 0, 0);
lv_obj_set_style_pad_top(top_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_style_pad_bottom(top_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_style_pad_left(top_bar_, lvgl_theme->spacing(4), 0);
lv_obj_set_style_pad_right(top_bar_, lvgl_theme->spacing(4), 0);
lv_obj_set_flex_flow(top_bar_, LV_FLEX_FLOW_ROW);
lv_obj_set_flex_align(top_bar_, LV_FLEX_ALIGN_SPACE_BETWEEN, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_set_scrollbar_mode(top_bar_, LV_SCROLLBAR_MODE_OFF);
lv_obj_align(top_bar_, LV_ALIGN_TOP_MID, 0, 0);
// Left icon
network_label_ = lv_label_create(top_bar_);
lv_label_set_text(network_label_, "");
lv_obj_set_style_text_font(network_label_, icon_font, 0);
lv_obj_set_style_text_color(network_label_, lvgl_theme->text_color(), 0);
// Right icons container
lv_obj_t* right_icons = lv_obj_create(top_bar_);
lv_obj_set_size(right_icons, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
lv_obj_set_style_bg_opa(right_icons, LV_OPA_TRANSP, 0);
lv_obj_set_style_border_width(right_icons, 0, 0);
lv_obj_set_style_pad_all(right_icons, 0, 0);
lv_obj_set_flex_flow(right_icons, LV_FLEX_FLOW_ROW);
lv_obj_set_flex_align(right_icons, LV_FLEX_ALIGN_END, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
mute_label_ = lv_label_create(right_icons);
lv_label_set_text(mute_label_, "");
lv_obj_set_style_text_font(mute_label_, icon_font, 0);
lv_obj_set_style_text_color(mute_label_, lvgl_theme->text_color(), 0);
battery_label_ = lv_label_create(right_icons);
lv_label_set_text(battery_label_, "");
lv_obj_set_style_text_font(battery_label_, icon_font, 0);
lv_obj_set_style_text_color(battery_label_, lvgl_theme->text_color(), 0);
lv_obj_set_style_margin_left(battery_label_, lvgl_theme->spacing(2), 0);
/* Layer 2: Status bar - for center text labels */
status_bar_ = lv_obj_create(screen);
lv_obj_set_size(status_bar_, LV_HOR_RES, LV_SIZE_CONTENT);
lv_obj_set_style_radius(status_bar_, 0, 0);
lv_obj_set_style_bg_opa(status_bar_, LV_OPA_TRANSP, 0); // Transparent background
lv_obj_set_style_border_width(status_bar_, 0, 0);
lv_obj_set_style_pad_all(status_bar_, 0, 0);
lv_obj_set_style_pad_top(status_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_style_pad_bottom(status_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_scrollbar_mode(status_bar_, LV_SCROLLBAR_MODE_OFF);
lv_obj_set_style_layout(status_bar_, LV_LAYOUT_NONE, 0); // Use absolute positioning
lv_obj_align(status_bar_, LV_ALIGN_TOP_MID, 0, 0); // Overlap with top_bar_
notification_label_ = lv_label_create(status_bar_);
lv_obj_set_width(notification_label_, LV_HOR_RES * 0.75);
lv_obj_set_style_text_align(notification_label_, LV_TEXT_ALIGN_CENTER, 0);
lv_obj_set_style_text_color(notification_label_, lvgl_theme->text_color(), 0);
lv_label_set_text(notification_label_, "");
lv_obj_align(notification_label_, LV_ALIGN_CENTER, 0, 0);
lv_obj_add_flag(notification_label_, LV_OBJ_FLAG_HIDDEN);
status_label_ = lv_label_create(status_bar_);
lv_obj_set_width(status_label_, LV_HOR_RES * 0.75);
lv_label_set_long_mode(status_label_, LV_LABEL_LONG_SCROLL_CIRCULAR);
lv_obj_set_style_text_align(status_label_, LV_TEXT_ALIGN_CENTER, 0);
lv_obj_set_style_text_color(status_label_, lvgl_theme->text_color(), 0);
lv_label_set_text(status_label_, Lang::Strings::INITIALIZING);
lv_obj_align(status_label_, LV_ALIGN_CENTER, 0, 0);
/* Top layer: Bottom bar - fixed at bottom, minimum height 48, height can be adaptive */
bottom_bar_ = lv_obj_create(screen);
lv_obj_set_width(bottom_bar_, LV_HOR_RES);
lv_obj_set_height(bottom_bar_, LV_SIZE_CONTENT);
lv_obj_set_style_min_height(bottom_bar_, 48, 0); // Set minimum height 48
lv_obj_set_style_radius(bottom_bar_, 0, 0);
lv_obj_set_style_bg_color(bottom_bar_, lvgl_theme->background_color(), 0);
lv_obj_set_style_text_color(bottom_bar_, lvgl_theme->text_color(), 0);
lv_obj_set_style_pad_top(bottom_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_style_pad_bottom(bottom_bar_, lvgl_theme->spacing(2), 0);
lv_obj_set_style_pad_left(bottom_bar_, lvgl_theme->spacing(4), 0);
lv_obj_set_style_pad_right(bottom_bar_, lvgl_theme->spacing(4), 0);
lv_obj_set_style_border_width(bottom_bar_, 0, 0);
lv_obj_align(bottom_bar_, LV_ALIGN_BOTTOM_MID, 0, 0);
/* chat_message_label_ placed in bottom_bar_ and vertically centered */
chat_message_label_ = lv_label_create(bottom_bar_);
lv_label_set_text(chat_message_label_, "");
lv_obj_set_width(chat_message_label_, LV_HOR_RES - lvgl_theme->spacing(8)); // Subtract left and right padding
lv_label_set_long_mode(chat_message_label_, LV_LABEL_LONG_WRAP); // Auto wrap mode
lv_obj_set_style_text_align(chat_message_label_, LV_TEXT_ALIGN_CENTER, 0); // Center text alignment
lv_obj_set_style_text_color(chat_message_label_, lvgl_theme->text_color(), 0);
lv_obj_align(chat_message_label_, LV_ALIGN_CENTER, 0, 0); // Vertically and horizontally centered in bottom_bar_
low_battery_popup_ = lv_obj_create(screen);
lv_obj_set_scrollbar_mode(low_battery_popup_, LV_SCROLLBAR_MODE_OFF);
lv_obj_set_size(low_battery_popup_, LV_HOR_RES * 0.9, text_font->line_height * 2);
lv_obj_align(low_battery_popup_, LV_ALIGN_BOTTOM_MID, 0, -lvgl_theme->spacing(4));
lv_obj_set_style_bg_color(low_battery_popup_, lvgl_theme->low_battery_color(), 0);
lv_obj_set_style_radius(low_battery_popup_, lvgl_theme->spacing(4), 0);
low_battery_label_ = lv_label_create(low_battery_popup_);
lv_label_set_text(low_battery_label_, Lang::Strings::BATTERY_NEED_CHARGE);
lv_obj_set_style_text_color(low_battery_label_, lv_color_white(), 0);
lv_obj_center(low_battery_label_);
lv_obj_add_flag(low_battery_popup_, LV_OBJ_FLAG_HIDDEN);
}
void LcdDisplay::SetPreviewImage(std::unique_ptr<LvglImage> image) {
DisplayLockGuard lock(this);
if (preview_image_ == nullptr) {
ESP_LOGE(TAG, "Preview image is not initialized");
return;
}
if (image == nullptr) {
esp_timer_stop(preview_timer_);
lv_obj_remove_flag(emoji_box_, LV_OBJ_FLAG_HIDDEN);
lv_obj_add_flag(preview_image_, LV_OBJ_FLAG_HIDDEN);
preview_image_cached_.reset();
if (gif_controller_) {
gif_controller_->Start();
}
return;
}
preview_image_cached_ = std::move(image);
auto img_dsc = preview_image_cached_->image_dsc();
lv_image_set_src(preview_image_, img_dsc);
if (img_dsc->header.w > 0 && img_dsc->header.h > 0) {
// zoom factor 0.5
lv_image_set_scale(preview_image_, 128 * width_ / img_dsc->header.w);
}
// Hide emoji_box_
if (gif_controller_) {
gif_controller_->Stop();
}
lv_obj_add_flag(emoji_box_, LV_OBJ_FLAG_HIDDEN);
lv_obj_remove_flag(preview_image_, LV_OBJ_FLAG_HIDDEN);
esp_timer_stop(preview_timer_);
ESP_ERROR_CHECK(esp_timer_start_once(preview_timer_, PREVIEW_IMAGE_DURATION_MS * 1000));
}
void LcdDisplay::SetChatMessage(const char* role, const char* content) {
DisplayLockGuard lock(this);
if (chat_message_label_ == nullptr) {
return;
}
lv_label_set_text(chat_message_label_, content);
}
#endif
void LcdDisplay::SetEmotion(const char* emotion) {
// Stop any running GIF animation
if (gif_controller_) {
DisplayLockGuard lock(this);
gif_controller_->Stop();
gif_controller_.reset();
}
if (emoji_image_ == nullptr) {
return;
}
auto emoji_collection = static_cast<LvglTheme*>(current_theme_)->emoji_collection();
auto image = emoji_collection != nullptr ? emoji_collection->GetEmojiImage(emotion) : nullptr;
if (image == nullptr) {
const char* utf8 = font_awesome_get_utf8(emotion);
if (utf8 != nullptr && emoji_label_ != nullptr) {
DisplayLockGuard lock(this);
lv_label_set_text(emoji_label_, utf8);
lv_obj_add_flag(emoji_image_, LV_OBJ_FLAG_HIDDEN);
lv_obj_remove_flag(emoji_label_, LV_OBJ_FLAG_HIDDEN);
}
return;
}
DisplayLockGuard lock(this);
if (image->IsGif()) {
// Create new GIF controller
gif_controller_ = std::make_unique<LvglGif>(image->image_dsc());
if (gif_controller_->IsLoaded()) {
// Set up frame update callback
gif_controller_->SetFrameCallback([this]() {
lv_image_set_src(emoji_image_, gif_controller_->image_dsc());
});
// Set initial frame and start animation
lv_image_set_src(emoji_image_, gif_controller_->image_dsc());
gif_controller_->Start();
// Show GIF, hide others
lv_obj_add_flag(emoji_label_, LV_OBJ_FLAG_HIDDEN);
lv_obj_remove_flag(emoji_image_, LV_OBJ_FLAG_HIDDEN);
} else {
ESP_LOGE(TAG, "Failed to load GIF for emotion: %s", emotion);
gif_controller_.reset();
}
} else {
lv_image_set_src(emoji_image_, image->image_dsc());
lv_obj_add_flag(emoji_label_, LV_OBJ_FLAG_HIDDEN);
lv_obj_remove_flag(emoji_image_, LV_OBJ_FLAG_HIDDEN);
}
#if CONFIG_USE_WECHAT_MESSAGE_STYLE
// In WeChat message style, if emotion is neutral, don't display it
uint32_t child_count = lv_obj_get_child_cnt(content_);
if (strcmp(emotion, "neutral") == 0 && child_count > 0) {
// Stop GIF animation if running
if (gif_controller_) {
gif_controller_->Stop();
gif_controller_.reset();
}
lv_obj_add_flag(emoji_image_, LV_OBJ_FLAG_HIDDEN);
lv_obj_add_flag(emoji_label_, LV_OBJ_FLAG_HIDDEN);
}
#endif
}
void LcdDisplay::SetTheme(Theme* theme) {
DisplayLockGuard lock(this);
auto lvgl_theme = static_cast<LvglTheme*>(theme);
// Get the active screen
lv_obj_t* screen = lv_screen_active();
// Set font
auto text_font = lvgl_theme->text_font()->font();
auto icon_font = lvgl_theme->icon_font()->font();
auto large_icon_font = lvgl_theme->large_icon_font()->font();
if (text_font->line_height >= 40) {
lv_obj_set_style_text_font(mute_label_, large_icon_font, 0);
lv_obj_set_style_text_font(battery_label_, large_icon_font, 0);
lv_obj_set_style_text_font(network_label_, large_icon_font, 0);
} else {
lv_obj_set_style_text_font(mute_label_, icon_font, 0);
lv_obj_set_style_text_font(battery_label_, icon_font, 0);
lv_obj_set_style_text_font(network_label_, icon_font, 0);
}
// Set parent text color
lv_obj_set_style_text_font(screen, text_font, 0);
lv_obj_set_style_text_color(screen, lvgl_theme->text_color(), 0);
// Set background image
if (lvgl_theme->background_image() != nullptr) {
lv_obj_set_style_bg_image_src(container_, lvgl_theme->background_image()->image_dsc(), 0);
} else {
lv_obj_set_style_bg_image_src(container_, nullptr, 0);
lv_obj_set_style_bg_color(container_, lvgl_theme->background_color(), 0);
}
// Update top bar background color with 50% opacity
if (top_bar_ != nullptr) {
lv_obj_set_style_bg_opa(top_bar_, LV_OPA_50, 0);
lv_obj_set_style_bg_color(top_bar_, lvgl_theme->background_color(), 0);
}
// Update status bar elements
lv_obj_set_style_text_color(network_label_, lvgl_theme->text_color(), 0);
lv_obj_set_style_text_color(status_label_, lvgl_theme->text_color(), 0);
lv_obj_set_style_text_color(notification_label_, lvgl_theme->text_color(), 0);
lv_obj_set_style_text_color(mute_label_, lvgl_theme->text_color(), 0);
lv_obj_set_style_text_color(battery_label_, lvgl_theme->text_color(), 0);
lv_obj_set_style_text_color(emoji_label_, lvgl_theme->text_color(), 0);
// If we have the chat message style, update all message bubbles
#if CONFIG_USE_WECHAT_MESSAGE_STYLE
// Set content background opacity
lv_obj_set_style_bg_opa(content_, LV_OPA_TRANSP, 0);
// Iterate through all children of content (message containers or bubbles)
uint32_t child_count = lv_obj_get_child_cnt(content_);
for (uint32_t i = 0; i < child_count; i++) {
lv_obj_t* obj = lv_obj_get_child(content_, i);
if (obj == nullptr) continue;
lv_obj_t* bubble = nullptr;
// Check if this object is a container or bubble
// If it's a container (user or system message), get its child as bubble
// If it's a bubble (assistant message), use it directly
if (lv_obj_get_child_cnt(obj) > 0) {
// Might be a container, check if it's a user or system message container
// User and system message containers are transparent
lv_opa_t bg_opa = lv_obj_get_style_bg_opa(obj, 0);
if (bg_opa == LV_OPA_TRANSP) {
// This is a user or system message container
bubble = lv_obj_get_child(obj, 0);
} else {
// This might be an assistant message bubble itself
bubble = obj;
}
} else {
// No child elements, might be other UI elements, skip
continue;
}
if (bubble == nullptr) continue;
// Use saved user data to identify bubble type
void* bubble_type_ptr = lv_obj_get_user_data(bubble);
if (bubble_type_ptr != nullptr) {
const char* bubble_type = static_cast<const char*>(bubble_type_ptr);
// Apply correct color based on bubble type
if (strcmp(bubble_type, "user") == 0) {
lv_obj_set_style_bg_color(bubble, lvgl_theme->user_bubble_color(), 0);
} else if (strcmp(bubble_type, "assistant") == 0) {
lv_obj_set_style_bg_color(bubble, lvgl_theme->assistant_bubble_color(), 0);
} else if (strcmp(bubble_type, "system") == 0) {
lv_obj_set_style_bg_color(bubble, lvgl_theme->system_bubble_color(), 0);
} else if (strcmp(bubble_type, "image") == 0) {
lv_obj_set_style_bg_color(bubble, lvgl_theme->system_bubble_color(), 0);
}
// Update border color
lv_obj_set_style_border_color(bubble, lvgl_theme->border_color(), 0);
// Update text color for the message
if (lv_obj_get_child_cnt(bubble) > 0) {
lv_obj_t* text = lv_obj_get_child(bubble, 0);
if (text != nullptr) {
// Set text color based on bubble type
if (strcmp(bubble_type, "system") == 0) {
lv_obj_set_style_text_color(text, lvgl_theme->system_text_color(), 0);
} else {
lv_obj_set_style_text_color(text, lvgl_theme->text_color(), 0);
}
}
}
} else {
ESP_LOGW(TAG, "child[%lu] Bubble type is not found", i);
}
}
#else
// Simple UI mode - just update the main chat message
if (chat_message_label_ != nullptr) {
lv_obj_set_style_text_color(chat_message_label_, lvgl_theme->text_color(), 0);
}
if (emoji_label_ != nullptr) {
lv_obj_set_style_text_color(emoji_label_, lvgl_theme->text_color(), 0);
}
// Update bottom bar background color with 50% opacity
if (bottom_bar_ != nullptr) {
lv_obj_set_style_bg_opa(bottom_bar_, LV_OPA_50, 0);
lv_obj_set_style_bg_color(bottom_bar_, lvgl_theme->background_color(), 0);
}
#endif
// Update low battery popup
lv_obj_set_style_bg_color(low_battery_popup_, lvgl_theme->low_battery_color(), 0);
// No errors occurred. Save theme to settings
Display::SetTheme(lvgl_theme);
}
void LcdDisplay::SetHideSubtitle(bool hide) {
DisplayLockGuard lock(this);
hide_subtitle_ = hide;
// Immediately update UI visibility based on the setting
if (bottom_bar_ != nullptr) {
if (hide) {
lv_obj_add_flag(bottom_bar_, LV_OBJ_FLAG_HIDDEN);
} else {
lv_obj_remove_flag(bottom_bar_, LV_OBJ_FLAG_HIDDEN);
}
}
}
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