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7856827ecf
When writing documentation, I realized how `onStart`/`onStop` isn't clearly communicating what it does (it could imply show/hide), so I renamed it to `onCreate` and `onDestroy`.
54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
#pragma once
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#include "tt_bundle.h"
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#include <lvgl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Important: These values must map to tt::app::Result values exactly */
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typedef enum {
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AppResultOk = 0,
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AppResultCancelled = 1,
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AppResultError = 2
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} Result;
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typedef void* AppHandle;
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/** Important: These function types must map to t::app types exactly */
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typedef void* (*AppCreateData)();
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typedef void (*AppDestroyData)(void* data);
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typedef void (*AppOnCreate)(AppHandle app, void* _Nullable data);
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typedef void (*AppOnDestroy)(AppHandle app, void* _Nullable data);
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typedef void (*AppOnShow)(AppHandle app, void* _Nullable data, lv_obj_t* parent);
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typedef void (*AppOnHide)(AppHandle app, void* _Nullable data);
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typedef void (*AppOnResult)(AppHandle app, void* _Nullable data, Result result, BundleHandle resultData);
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typedef struct {
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/** The application's human-readable name */
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const char* name;
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/** The application icon (you can use LV_SYMBOL_* too) */
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const char* _Nullable icon;
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/** The application can allocate data to re-use later (e.g. struct with state) */
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AppCreateData _Nullable createData;
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/** If createData is specified, this one must be specified too */
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AppDestroyData _Nullable destroyData;
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/** Called when the app is launched (started) */
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AppOnCreate _Nullable onCreate;
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/** Called when the app is exited (stopped) */
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AppOnDestroy _Nullable onDestroy;
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/** Called when the app is about to be shown to the user (app becomes visible) */
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AppOnShow _Nullable onShow;
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/** Called when the app is about to be invisible to the user (e.g. other app was launched by this app, and this app goes to the background) */
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AppOnHide _Nullable onHide;
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/** Called when the app receives a result after launching another app */
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AppOnResult _Nullable onResult;
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} ExternalAppManifest;
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/** This is used to register the manifest of an external app. */
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void tt_app_register(const ExternalAppManifest* manifest);
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#ifdef __cplusplus
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}
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#endif |