c3bcf93698
- Refactor the way apps work: Instead of a C interface, they are now C++ classes. The main reasoning is that attaching data to an app was cumbersome. Having different implementations for different kinds of apps was cumbersome too. (3 or 4 layers of manifest nesting for the TactilityC project) - External apps are still written in C, but they get a createData/destroyData in their manifest, so: - External apps now have their own manifest. - All functions in the original AppManifest are removed and replaced by a single `createApp` function - External apps now automatically register (each app individually!) when they run the first time. As a side-effect they become visible in the `AppList` app! - Adapted all apps for the new interface. - Adapted all internal logic for these changes (Gui, ViewPort, Loader, AppContext, AppInstance, etc.) - Rewrote parts of Loader to use std::shared_ptr to make the code much safer. - Added a refcount check for the `AppInstance` and `App` at the end of their lifecycle. Show warning if refcount is too high.
91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
#include "app/AppContext.h"
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#include "app/ManifestRegistry.h"
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#include "Check.h"
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#include "lvgl.h"
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#include "service/loader/Loader.h"
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namespace tt::app::launcher {
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static void onAppPressed(TT_UNUSED lv_event_t* e) {
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auto* appId = (const char*)lv_event_get_user_data(e);
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service::loader::startApp(appId);
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}
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static lv_obj_t* createAppButton(lv_obj_t* parent, const char* title, const char* imageFile, const char* appId, int32_t buttonPaddingLeft) {
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auto* wrapper = lv_obj_create(parent);
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lv_obj_set_size(wrapper, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
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lv_obj_set_style_pad_ver(wrapper, 0, 0);
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lv_obj_set_style_pad_left(wrapper, buttonPaddingLeft, 0);
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lv_obj_set_style_pad_right(wrapper, 0, 0);
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lv_obj_set_style_border_width(wrapper, 0, 0);
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auto* apps_button = lv_button_create(wrapper);
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lv_obj_set_style_pad_hor(apps_button, 0, 0);
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lv_obj_set_style_pad_top(apps_button, 0, 0);
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lv_obj_set_style_pad_bottom(apps_button, 16, 0);
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lv_obj_set_style_shadow_width(apps_button, 0, 0);
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lv_obj_set_style_border_width(apps_button, 0, 0);
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lv_obj_set_style_bg_color(apps_button, lv_color_white(), 0);
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auto* button_image = lv_image_create(apps_button);
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lv_image_set_src(button_image, imageFile);
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lv_obj_add_event_cb(apps_button, onAppPressed, LV_EVENT_SHORT_CLICKED, (void*)appId);
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lv_obj_set_style_image_recolor(button_image, lv_theme_get_color_primary(parent), 0);
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lv_obj_set_style_image_recolor_opa(button_image, LV_OPA_COVER, 0);
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// Ensure buttons are still tappable when asset fails to load
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lv_obj_set_size(button_image, 64, 64);
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auto* label = lv_label_create(wrapper);
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lv_label_set_text(label, title);
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lv_obj_align(label, LV_ALIGN_BOTTOM_MID, 0, 0);
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return wrapper;
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}
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class LauncherApp : public App {
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void onShow(TT_UNUSED AppContext& app, lv_obj_t* parent) override {
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auto* wrapper = lv_obj_create(parent);
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lv_obj_align(wrapper, LV_ALIGN_CENTER, 0, 0);
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lv_obj_set_style_pad_all(wrapper, 0, 0);
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lv_obj_set_size(wrapper, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
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lv_obj_set_style_border_width(wrapper, 0, 0);
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lv_obj_set_flex_grow(wrapper, 1);
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auto* display = lv_obj_get_display(parent);
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auto horizontal_px = lv_display_get_horizontal_resolution(display);
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auto vertical_px = lv_display_get_vertical_resolution(display);
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bool is_landscape_display = horizontal_px > vertical_px;
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if (is_landscape_display) {
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lv_obj_set_flex_flow(wrapper, LV_FLEX_FLOW_ROW);
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} else {
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lv_obj_set_flex_flow(wrapper, LV_FLEX_FLOW_COLUMN);
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}
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int32_t available_width = lv_display_get_horizontal_resolution(display) - (3 * 80);
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int32_t padding = is_landscape_display ? TT_MIN(available_width / 4, 64) : 0;
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auto paths = app.getPaths();
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auto apps_icon_path = paths->getSystemPathLvgl("icon_apps.png");
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auto files_icon_path = paths->getSystemPathLvgl("icon_files.png");
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auto settings_icon_path = paths->getSystemPathLvgl("icon_settings.png");
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createAppButton(wrapper, "Apps", apps_icon_path.c_str(), "AppList", 0);
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createAppButton(wrapper, "Files", files_icon_path.c_str(), "Files", padding);
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createAppButton(wrapper, "Settings", settings_icon_path.c_str(), "Settings", padding);
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}
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};
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extern const AppManifest manifest = {
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.id = "Launcher",
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.name = "Launcher",
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.type = Type::Launcher,
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.createApp = create<LauncherApp>
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};
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void start() {
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service::loader::startApp(manifest.id);
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}
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} // namespace
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