Xteink-X4-crosspoint-reader/src/screens/HomeScreen.cpp
2025-12-17 20:44:55 +11:00

100 lines
3.1 KiB
C++

#include "HomeScreen.h"
#include <GfxRenderer.h>
#include <SD.h>
#include "config.h"
void HomeScreen::taskTrampoline(void* param) {
auto* self = static_cast<HomeScreen*>(param);
self->displayTaskLoop();
}
void HomeScreen::onEnter() {
renderingMutex = xSemaphoreCreateMutex();
selectorIndex = 0;
// Trigger first update
updateRequired = true;
xTaskCreate(&HomeScreen::taskTrampoline, "HomeScreenTask",
2048, // Stack size
this, // Parameters
1, // Priority
&displayTaskHandle // Task handle
);
}
void HomeScreen::onExit() {
// Wait until not rendering to delete task to avoid killing mid-instruction to EPD
xSemaphoreTake(renderingMutex, portMAX_DELAY);
if (displayTaskHandle) {
vTaskDelete(displayTaskHandle);
displayTaskHandle = nullptr;
}
vSemaphoreDelete(renderingMutex);
renderingMutex = nullptr;
}
void HomeScreen::handleInput() {
const bool prevPressed =
inputManager.wasPressed(InputManager::BTN_UP) || inputManager.wasPressed(InputManager::BTN_LEFT);
const bool nextPressed =
inputManager.wasPressed(InputManager::BTN_DOWN) || inputManager.wasPressed(InputManager::BTN_RIGHT);
if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
if (selectorIndex == 0) {
onFileSelectionOpen();
} else if (selectorIndex == 1) {
onSettingsOpen();
}
} else if (prevPressed) {
selectorIndex = (selectorIndex + menuItemCount - 1) % menuItemCount;
updateRequired = true;
} else if (nextPressed) {
selectorIndex = (selectorIndex + 1) % menuItemCount;
updateRequired = true;
}
}
void HomeScreen::displayTaskLoop() {
while (true) {
if (updateRequired) {
updateRequired = false;
xSemaphoreTake(renderingMutex, portMAX_DELAY);
render();
xSemaphoreGive(renderingMutex);
}
vTaskDelay(10 / portTICK_PERIOD_MS);
}
}
void HomeScreen::render() const {
renderer.clearScreen();
const auto pageWidth = GfxRenderer::getScreenWidth();
const auto pageHeight = GfxRenderer::getScreenHeight();
renderer.drawCenteredText(READER_FONT_ID, 10, "CrossPoint Reader", true, BOLD);
// Draw selection
renderer.fillRect(0, 60 + selectorIndex * 30 + 2, pageWidth - 1, 30);
renderer.drawText(UI_FONT_ID, 20, 60, "Read", selectorIndex != 0);
renderer.drawText(UI_FONT_ID, 20, 90, "Settings", selectorIndex != 1);
renderer.drawRect(25, pageHeight - 40, 106, 40);
renderer.drawText(UI_FONT_ID, 25 + (105 - renderer.getTextWidth(UI_FONT_ID, "Back")) / 2, pageHeight - 35, "Back");
renderer.drawRect(130, pageHeight - 40, 106, 40);
renderer.drawText(UI_FONT_ID, 130 + (105 - renderer.getTextWidth(UI_FONT_ID, "Confirm")) / 2, pageHeight - 35,
"Confirm");
renderer.drawRect(245, pageHeight - 40, 106, 40);
renderer.drawText(UI_FONT_ID, 245 + (105 - renderer.getTextWidth(UI_FONT_ID, "Left")) / 2, pageHeight - 35, "Left");
renderer.drawRect(350, pageHeight - 40, 106, 40);
renderer.drawText(UI_FONT_ID, 350 + (105 - renderer.getTextWidth(UI_FONT_ID, "Right")) / 2, pageHeight - 35, "Right");
renderer.displayBuffer();
}