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99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
#pragma once
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#include <gui/view.h>
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#include <gui/gui.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct ViewHolder ViewHolder;
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/**
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* @brief Free callback type
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*/
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typedef void (*FreeCallback)(void* free_context);
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/**
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* @brief Back callback type
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* @warning comes from GUI thread
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*/
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typedef void (*BackCallback)(void* back_context);
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/**
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* @brief Allocate ViewHolder
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* @return pointer to ViewHolder instance
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*/
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ViewHolder* view_holder_alloc();
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/**
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* @brief Free ViewHolder and call Free callback
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* @param view_holder pointer to ViewHolder
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*/
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void view_holder_free(ViewHolder* view_holder);
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/**
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* @brief Set view for ViewHolder
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*
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* @param view_holder ViewHolder instance
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* @param view View instance
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*/
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void view_holder_set_view(ViewHolder* view_holder, View* view);
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/**
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* @brief Set Free callback
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*
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* @param view_holder ViewHolder instance
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* @param free_callback callback pointer
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* @param free_context callback context
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*/
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void view_holder_set_free_callback(
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ViewHolder* view_holder,
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FreeCallback free_callback,
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void* free_context);
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/**
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* @brief Free callback context getter. Useful if your Free callback is a module destructor, so you can get an instance of the module using this method.
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*
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* @param view_holder ViewHolder instance
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* @return void* free callback context
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*/
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void* view_holder_get_free_context(ViewHolder* view_holder);
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void view_holder_set_back_callback(
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ViewHolder* view_holder,
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BackCallback back_callback,
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void* back_context);
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/**
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* @brief Attach ViewHolder to GUI
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*
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* @param view_holder ViewHolder instance
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* @param gui GUI instance to attach to
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*/
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void view_holder_attach_to_gui(ViewHolder* view_holder, Gui* gui);
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/**
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* @brief Enable view processing
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*
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* @param view_holder
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*/
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void view_holder_start(ViewHolder* view_holder);
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/**
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* @brief Disable view processing
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*
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* @param view_holder
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*/
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void view_holder_stop(ViewHolder* view_holder);
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/** View Update Handler
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* @param view, View Instance
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* @param context, ViewHolder instance
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*/
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void view_holder_update(View* view, void* context);
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#ifdef __cplusplus
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}
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#endif
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