Ken Van Hoeylandt
139 lines
4.2 KiB
C++
139 lines
4.2 KiB
C++
#include <Tactility/lvgl/Lvgl.h>
|
|
#include <Tactility/lvgl/Style.h>
|
|
#include <Tactility/StringUtils.h>
|
|
#include <tactility/check.h>
|
|
#include <tactility/log.h>
|
|
|
|
#include <app/event.h>
|
|
#include <app/manager.h>
|
|
#include <app/manifest.h>
|
|
#include <app/scheduler.h>
|
|
#include <app/start.h>
|
|
|
|
#include <lvgl_window_manager/window_manager.h>
|
|
|
|
#include <lvgl/widgets/toolbar.h>
|
|
#include <lvgl.h>
|
|
|
|
#include <string>
|
|
|
|
namespace tt::app::imageviewer {
|
|
|
|
extern const ::AppManifest manifest;
|
|
|
|
constexpr auto* TAG = "ImageViewer";
|
|
|
|
namespace {
|
|
|
|
struct Context {
|
|
uint32_t appInstanceId;
|
|
std::string filePath;
|
|
};
|
|
|
|
|
|
void onBackPressed(lv_event_t* event) {
|
|
auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
|
|
app_event_emit_close(ctx->appInstanceId);
|
|
}
|
|
|
|
void createWidgets(lv_obj_t* parent, void* userData) {
|
|
auto* ctx = static_cast<Context*>(userData);
|
|
|
|
auto* wrapper = lv_obj_create(parent);
|
|
lv_obj_set_size(wrapper, LV_PCT(100), LV_PCT(100));
|
|
lv_obj_set_style_border_width(wrapper, 0, 0);
|
|
lv_obj_set_style_pad_all(wrapper, 0, 0);
|
|
lv_obj_set_style_pad_gap(wrapper, 0, 0);
|
|
|
|
auto* toolbar = lvgl_toolbar_create(wrapper, "Image Viewer");
|
|
// The global toolbar nav callback only knows how to stop old-model apps.
|
|
lvgl_toolbar_set_nav_action(toolbar, LV_SYMBOL_CLOSE, onBackPressed, ctx);
|
|
lv_obj_align(toolbar, LV_ALIGN_TOP_MID, 0, 0);
|
|
|
|
auto* image_wrapper = lv_obj_create(wrapper);
|
|
lv_obj_align_to(image_wrapper, toolbar, LV_ALIGN_OUT_BOTTOM_LEFT, 0, 0);
|
|
lv_obj_set_width(image_wrapper, LV_PCT(100));
|
|
auto parent_height = lv_obj_get_height(wrapper);
|
|
auto toolbar_height = lv_obj_get_height(toolbar);
|
|
lv_obj_set_height(image_wrapper, parent_height - toolbar_height);
|
|
lv_obj_set_flex_flow(image_wrapper, LV_FLEX_FLOW_COLUMN);
|
|
lv_obj_set_flex_align(image_wrapper, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
|
|
lv_obj_set_style_pad_all(image_wrapper, 0, 0);
|
|
lv_obj_set_style_pad_gap(image_wrapper, 0, 0);
|
|
lvgl::obj_set_style_bg_invisible(image_wrapper);
|
|
|
|
auto* image = lv_image_create(image_wrapper);
|
|
lv_obj_align(image, LV_ALIGN_CENTER, 0, 0);
|
|
|
|
auto* file_label = lv_label_create(wrapper);
|
|
lv_obj_align_to(file_label, wrapper, LV_ALIGN_BOTTOM_LEFT, 0, 0);
|
|
|
|
if (!ctx->filePath.empty()) {
|
|
std::string prefixed_path = lvgl::PATH_PREFIX + ctx->filePath;
|
|
LOG_I(TAG, "Opening %s", prefixed_path.c_str());
|
|
lv_img_set_src(image, prefixed_path.c_str());
|
|
auto path = string::getLastPathSegment(ctx->filePath);
|
|
lv_label_set_text(file_label, path.c_str());
|
|
} else {
|
|
lv_label_set_text(file_label, "File not found");
|
|
}
|
|
}
|
|
|
|
int32_t appMain(int argc, char* argv[]) {
|
|
uint32_t appInstanceId = app_scheduler_current_app_id();
|
|
check(argc > 0, "Parameters not set");
|
|
|
|
Context ctx {};
|
|
ctx.appInstanceId = appInstanceId;
|
|
ctx.filePath = argv[0];
|
|
|
|
TaskEventGroup event_group {};
|
|
task_event_group_construct(&event_group);
|
|
|
|
AppEventSubscription sub {};
|
|
check(app_event_subscribe(&sub, &event_group) == ERROR_NONE);
|
|
|
|
WindowId window = window_manager_create(appInstanceId, createWidgets, &ctx);
|
|
|
|
bool shouldClose = false;
|
|
while (!shouldClose) {
|
|
task_event_group_wait_any(&event_group, nullptr, portMAX_DELAY);
|
|
|
|
AppEvent event {};
|
|
while (app_event_poll(&sub, &event) == ERROR_NONE) {
|
|
switch (event.type) {
|
|
case APP_EVENT_CLOSE:
|
|
shouldClose = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (shouldClose) break;
|
|
}
|
|
}
|
|
|
|
window_manager_remove(window);
|
|
check(app_event_unsubscribe(&sub) == ERROR_NONE);
|
|
task_event_group_destruct(&event_group);
|
|
|
|
return 0;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
void start(const std::string& file) {
|
|
const char* argv[] = { file.c_str() };
|
|
uint32_t instanceId = 0;
|
|
app_start(manifest.id, 1, argv, &instanceId);
|
|
}
|
|
|
|
extern const ::AppManifest manifest = {
|
|
.id = "tactility.imageviewer",
|
|
.name = "Image Viewer",
|
|
.category = APP_CATEGORY_SYSTEM,
|
|
.location = { APP_LOCATION_MEMORY, reinterpret_cast<void*>(appMain) },
|
|
.flags = APP_MANIFEST_FLAG_HIDDEN,
|
|
};
|
|
|
|
} // namespace
|