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view_dispatcher: add custom events (#526)

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Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
gornekich 2021-06-20 11:15:48 +03:00 committed by GitHub
parent 6e6df5e806
commit 8605f53c28
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3 changed files with 54 additions and 1 deletions
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30
applications/gui/view_dispatcher.c Normal file → Executable file
View file

@ -51,6 +51,8 @@ void view_dispatcher_run(ViewDispatcher* view_dispatcher) {
break;
} else if(message.type == ViewDispatcherMessageTypeInput) {
view_dispatcher_handle_input(view_dispatcher, &message.input);
} else if(message.type == ViewDispatcherMessageTypeCustomEvent) {
view_dispatcher_handle_custom_event(view_dispatcher, message.custom_event);
}
}
}
@ -179,6 +181,34 @@ void view_dispatcher_handle_input(ViewDispatcher* view_dispatcher, InputEvent* e
}
}
void view_dispatcher_set_custom_callback(
ViewDispatcher* view_dispatcher,
CustomEventCallback callback,
void* context) {
furi_assert(view_dispatcher);
furi_assert(callback);
view_dispatcher->custom_event_cb = callback;
view_dispatcher->custom_event_ctx = context;
}
void view_dispatcher_handle_custom_event(ViewDispatcher* view_dispatcher, uint32_t event) {
if(view_dispatcher->custom_event_cb) {
view_dispatcher->custom_event_cb(event, view_dispatcher->custom_event_ctx);
}
}
void view_dispatcher_send_custom_event(ViewDispatcher* view_dispatcher, uint32_t event) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->queue);
ViewDispatcherMessage message;
message.type = ViewDispatcherMessageTypeCustomEvent;
message.custom_event = event;
furi_check(osMessageQueuePut(view_dispatcher->queue, &message, 0, osWaitForever) == osOK);
}
void view_dispatcher_set_current_view(ViewDispatcher* view_dispatcher, View* view) {
furi_assert(view_dispatcher);
// Dispatch view exit event

18
applications/gui/view_dispatcher.h Normal file → Executable file
View file

@ -7,6 +7,10 @@
extern "C" {
#endif
/** Prototype for custom event callback
*/
typedef void (*CustomEventCallback)(uint32_t custom_event, void* context);
/** ViewDispatcher view_port placement
*/
typedef enum {
@ -28,11 +32,23 @@ ViewDispatcher* view_dispatcher_alloc();
void view_dispatcher_free(ViewDispatcher* view_dispatcher);
/** Enable queue support
* If queue enabled all input events will be dispatched throw internal queue
* If queue enabled all input and custom events will be dispatched throw internal queue
* @param view_dispatcher ViewDispatcher instance
*/
void view_dispatcher_enable_queue(ViewDispatcher* view_dispatcher);
/** Set custom event callback
* Custom callback is called when custom event in internal queue received
*/
void view_dispatcher_set_custom_callback(
ViewDispatcher* view_dispatcher,
CustomEventCallback callback,
void* context);
/** Send custom event
*/
void view_dispatcher_send_custom_event(ViewDispatcher* view_dispatcher, uint32_t event);
/** Run ViewDispatcher
* Use only after queue enabled
* @param view_dispatcher ViewDispatcher instance

7
applications/gui/view_dispatcher_i.h
View file

@ -15,10 +15,13 @@ struct ViewDispatcher {
ViewPort* view_port;
ViewDict_t views;
View* current_view;
CustomEventCallback custom_event_cb;
void* custom_event_ctx;
};
typedef enum {
ViewDispatcherMessageTypeInput,
ViewDispatcherMessageTypeCustomEvent,
ViewDispatcherMessageTypeStop,
} ViewDispatcherMessageType;
@ -26,6 +29,7 @@ typedef struct {
ViewDispatcherMessageType type;
union {
InputEvent input;
uint32_t custom_event;
};
} ViewDispatcherMessage;
@ -38,6 +42,9 @@ void view_dispatcher_input_callback(InputEvent* event, void* context);
/* Input handler */
void view_dispatcher_handle_input(ViewDispatcher* view_dispatcher, InputEvent* event);
/* Custom event handler */
void view_dispatcher_handle_custom_event(ViewDispatcher* view_dispatcher, uint32_t event);
/* Set current view, dispatches view enter and exit */
void view_dispatcher_set_current_view(ViewDispatcher* view_dispatcher, View* view);