mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 21:13:16 +00:00
2d09b8e318
* Input: refactoring, platform agnostic key configuration, update usage across project. Minor queue usage fixes and tick timings. * Gui: lighter and more efficient input and draw call dispatching, ViewPort rearranging API. View: conditional model updates, API usage update. * BT: smaller update delay * GUI: ViewPort visibility check
159 lines
4.1 KiB
C
159 lines
4.1 KiB
C
#pragma once
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#include <input/input.h>
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#include "canvas.h"
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Hides drawing view_port */
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#define VIEW_NONE 0xFFFFFFFF
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/* Ignore navigation event */
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#define VIEW_IGNORE 0xFFFFFFFE
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/* Deatch from gui, deallocate Views and ViewDispatcher
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* BE SUPER CAREFUL, deallocation happens automatically on GUI thread
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* You ARE NOT owning ViewDispatcher and Views instances
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*/
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#define VIEW_DESTROY 0xFFFFFFFA
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/* View Draw callback
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* @param canvas, pointer to canvas
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* @param view_model, pointer to context
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* @warning called from GUI thread
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*/
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typedef void (*ViewDrawCallback)(Canvas* canvas, void* model);
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/* View Input callback
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* @param event, pointer to input event data
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* @param context, pointer to context
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* @return true if event handled, false if event ignored
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* @warning called from GUI thread
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*/
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typedef bool (*ViewInputCallback)(InputEvent* event, void* context);
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/* View navigation callback
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* @param context, pointer to context
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* @return next view id
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* @warning called from GUI thread
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*/
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typedef uint32_t (*ViewNavigationCallback)(void* context);
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/* View callback
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* @param context, pointer to context
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* @warning called from GUI thread
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*/
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typedef void (*ViewCallback)(void* context);
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/* View model types */
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typedef enum {
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/* Model is not allocated */
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ViewModelTypeNone,
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/* Model consist of atomic types and/or partial update is not critical for rendering.
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* Lock free.
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*/
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ViewModelTypeLockFree,
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/* Model access is guarded with mutex.
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* Locking gui thread.
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*/
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ViewModelTypeLocking,
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} ViewModelType;
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typedef struct View View;
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/* Allocate and init View
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* @return pointer to View
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*/
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View* view_alloc();
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/* Free View
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* @param pointer to View
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*/
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void view_free(View* view);
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/* Set View Draw callback
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* @param view, pointer to View
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* @param callback, draw callback
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*/
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void view_set_draw_callback(View* view, ViewDrawCallback callback);
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/* Set View Draw callback
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* @param view, pointer to View
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* @param callback, input callback
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*/
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void view_set_input_callback(View* view, ViewInputCallback callback);
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/* Set Navigation Previous callback
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* @param view, pointer to View
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* @param callback, input callback
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*/
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void view_set_previous_callback(View* view, ViewNavigationCallback callback);
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/* Set Navigation Next callback
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* @param view, pointer to View
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* @param callback, input callback
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*/
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void view_set_next_callback(View* view, ViewNavigationCallback callback);
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/* Set Enter callback
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* @param view, pointer to View
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* @param callback, callback
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*/
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void view_set_enter_callback(View* view, ViewCallback callback);
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/* Set Exit callback
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* @param view, pointer to View
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* @param callback, callback
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*/
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void view_set_exit_callback(View* view, ViewCallback callback);
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/* Set View Draw callback
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* @param view, pointer to View
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* @param context, context for callbacks
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*/
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void view_set_context(View* view, void* context);
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/* Allocate view model.
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* @param view, pointer to View
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* @param type, View Model Type
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* @param size, size
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*/
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void view_allocate_model(View* view, ViewModelType type, size_t size);
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/* Free view model data memory.
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* @param view, pointer to View
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*/
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void view_free_model(View* view);
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/* Get view model data
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* @param view, pointer to View
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* @return pointer to model data
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* @warning Don't forget to commit model changes
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*/
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void* view_get_model(View* view);
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/* Commit view model
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* @param view, pointer to View
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* @param update, true if you want to emit view update, false otherwise
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*/
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void view_commit_model(View* view, bool update);
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/*
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* With clause for view model
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* @param view, View instance pointer
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* @param function_body a (){} lambda declaration, executed within you parent function context
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* @return true if you want to emit view update, false otherwise
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*/
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#define with_view_model(view, function_body) \
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{ \
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void* p = view_get_model(view); \
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bool update = ({ bool __fn__ function_body __fn__; })(p); \
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view_commit_model(view, update); \
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}
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#ifdef __cplusplus
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}
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#endif
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