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https://github.com/libretro/RetroArch
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commit
04a0af0372
@ -22,6 +22,14 @@
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#include "../settings.h"
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#include "drivers/shared.h"
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// This file provides an abstraction of the currently displayed
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// menu. It is organized into event-system where the UI companion
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// calls this functions and RetroArch responds by changing the global
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// state (including arranging for these functions to return different
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// values). Its only interaction back to the UI is to arrange for
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// notify_list_loaded on the UI companion.
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// Returns the starting index of the menu entry list
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size_t menu_entries_get_start()
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{
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menu_handle_t *menu = menu_driver_get_ptr();
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@ -32,6 +40,7 @@ size_t menu_entries_get_start()
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return menu->begin;
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}
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// Returns the last index + 1 of the menu entry list
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size_t menu_entries_get_end()
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{
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menu_handle_t *menu = menu_driver_get_ptr();
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@ -42,6 +51,7 @@ size_t menu_entries_get_end()
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return menu_list_get_size(menu->menu_list);
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}
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// Sets title to what the name of the current menu should be
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void menu_entries_get_title(char *title, size_t title_len)
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{
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const char *dir = NULL;
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@ -57,6 +67,8 @@ void menu_entries_get_title(char *title, size_t title_len)
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return;
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}
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// Returns true if a Back button should be shown (i.e. we are at least
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// one level deep in the menu hierarchy)
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uint32_t menu_entries_show_back()
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{
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menu_handle_t *menu = menu_driver_get_ptr();
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@ -67,6 +79,7 @@ uint32_t menu_entries_show_back()
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return (menu_list_get_stack_size(menu->menu_list) > 1);
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}
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// Clicks the back button
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void menu_entries_select_back()
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{
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menu_list_t *menu_list = menu_list_get_ptr();
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@ -77,6 +90,7 @@ void menu_entries_select_back()
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menu_list_pop_stack(menu_list);
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}
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// Sets title_msg to the name of the current core (shown at the top of the UI)
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void menu_entries_get_core_title(char *title_msg, size_t title_msg_len)
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{
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global_t *global = global_get_ptr();
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@ -362,9 +376,10 @@ int menu_entry_get_current_id(bool use_representation)
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return -1;
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}
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// JM: In the cases where this used to return true, it should actually
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// arrange for menu_entries_* to start returning new things AND ensure
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// that ui_companion_cocoatouch_notify_list_pushed is called.
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// Performs whatever actions are associated with menu entry 'i'. This
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// is the most important function because it does all the work
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// associated with clicking on things in the UI. This includes loading
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// cores and updating the currently displayed menu
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void menu_entry_select(uint32_t i)
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{
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menu_entry_t entry;
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