Ken Van Hoeylandt
128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
#include <app/event.h>
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#include <app/manager.h>
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#include <app/manifest.h>
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#include <app/scheduler.h>
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#include <app/start.h>
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#include <lvgl_window_manager/window_manager.h>
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#include <tactility/check.h>
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#include <lvgl.h>
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#include <algorithm>
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#include <cstring>
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#include <vector>
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#include <lvgl/icons/shared.h>
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#include <lvgl/fonts.h>
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#include <lvgl/widgets/toolbar.h>
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namespace tt::app::applist {
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namespace {
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struct Context {
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uint32_t appInstanceId;
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};
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void onAppPressed(lv_event_t* e) {
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// Fire-and-forget top-level navigation, same as Launcher's own app-launch buttons.
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const auto* manifest = static_cast<const ::AppManifest*>(lv_event_get_user_data(e));
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uint32_t instanceId = 0;
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app_start(manifest->id, 0, nullptr, &instanceId);
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}
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void onBackPressed(lv_event_t* event) {
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auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
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app_event_emit_close(ctx->appInstanceId);
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}
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void createAppWidget(const ::AppManifest* manifest, lv_obj_t* list) {
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// The new AppManifest has no per-app icon - use a shared generic one for every entry,
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// same fallback the old model used for apps that didn't provide one.
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lv_obj_t* btn = lv_list_add_button(list, LVGL_ICON_SHARED_TOOLBAR, manifest->name);
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lv_obj_t* image = lv_obj_get_child(btn, 0);
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lv_obj_set_style_text_font(image, lvgl_get_shared_icon_font(), LV_PART_MAIN);
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lv_obj_add_event_cb(btn, &onAppPressed, LV_EVENT_SHORT_CLICKED, const_cast<::AppManifest*>(manifest));
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}
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void collectManifest(const ::AppManifest* manifest, void* context) {
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auto* manifests = static_cast<std::vector<const ::AppManifest*>*>(context);
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manifests->push_back(manifest);
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}
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void createWidgets(lv_obj_t* parent, void* userData) {
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auto* ctx = static_cast<Context*>(userData);
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// Flex column + flex_grow so LVGL recomputes the toolbar/list split on every layout pass,
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// rather than a fixed height computed once from lv_obj_get_content_height(parent) that would
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// go stale after a later display resolution/rotation change.
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lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_style_pad_row(parent, 0, LV_STATE_DEFAULT);
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auto* toolbar = lvgl_toolbar_create(parent, "Apps");
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lvgl_toolbar_set_nav_action(toolbar, LV_SYMBOL_CLOSE, onBackPressed, ctx);
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lv_obj_t* list = lv_list_create(parent);
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lv_obj_set_width(list, LV_PCT(100));
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lv_obj_set_flex_grow(list, 1);
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std::vector<const ::AppManifest*> manifests;
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app_manager_for_each_manifest(collectManifest, &manifests);
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std::ranges::sort(manifests, [](const ::AppManifest* a, const ::AppManifest* b) {
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return strcmp(a->name, b->name) < 0;
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});
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for (const auto* manifest: manifests) {
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bool is_valid_category = (manifest->category == APP_CATEGORY_USER) || (manifest->category == APP_CATEGORY_SYSTEM);
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if (is_valid_category && (manifest->flags & APP_MANIFEST_FLAG_HIDDEN) == 0) {
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createAppWidget(manifest, list);
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}
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}
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}
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int32_t appMain(int argc, char* argv[]) {
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uint32_t appInstanceId = app_scheduler_current_app_id();
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Context ctx { appInstanceId };
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TaskEventGroup event_group {};
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task_event_group_construct(&event_group);
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AppEventSubscription sub {};
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check(app_event_subscribe(&sub, &event_group) == ERROR_NONE);
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WindowId window = window_manager_create(appInstanceId, createWidgets, &ctx);
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while (true) {
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task_event_group_wait_any(&event_group, nullptr, portMAX_DELAY);
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bool shouldClose = false;
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AppEvent event {};
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while (app_event_poll(&sub, &event) == ERROR_NONE) {
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if (event.type == APP_EVENT_CLOSE) {
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shouldClose = true;
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break;
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}
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}
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if (shouldClose) break;
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}
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window_manager_remove(window);
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check(app_event_unsubscribe(&sub) == ERROR_NONE);
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task_event_group_destruct(&event_group);
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return 0;
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}
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} // namespace
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extern const ::AppManifest manifest = {
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.id = "tactility.applist",
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.name = "Apps",
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.category = APP_CATEGORY_SYSTEM,
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.location = { .type = APP_LOCATION_MEMORY, .location = reinterpret_cast<void*>(appMain) },
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.flags = APP_MANIFEST_FLAG_HIDDEN,
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.stack = { .depth = 2400, .desired_memory_capability = 0 },
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};
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} // namespace
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