mgba/include/mgba-util/gui/menu.h

84 lines
2.0 KiB
C

/* Copyright (c) 2013-2015 Jeffrey Pfau
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GUI_MENU_H
#define GUI_MENU_H
#include <mgba-util/common.h>
CXX_GUARD_START
#include <mgba-util/vector.h>
#define GUI_V_V (struct GUIVariant) { .type = GUI_VARIANT_VOID }
#define GUI_V_U(U) (struct GUIVariant) { .type = GUI_VARIANT_UNSIGNED, .v.u = (U) }
#define GUI_V_I(I) (struct GUIVariant) { .type = GUI_VARIANT_INT, .v.i = (I) }
#define GUI_V_F(F) (struct GUIVariant) { .type = GUI_VARIANT_FLOAT, .v.f = (F) }
#define GUI_V_S(S) (struct GUIVariant) { .type = GUI_VARIANT_STRING, .v.s = (S) }
enum GUIVariantType {
GUI_VARIANT_VOID = 0,
GUI_VARIANT_UNSIGNED,
GUI_VARIANT_INT,
GUI_VARIANT_FLOAT,
GUI_VARIANT_STRING
};
struct GUIVariant {
enum GUIVariantType type;
union {
unsigned u;
int i;
float f;
const char* s;
} v;
};
struct GUIMenu;
struct GUIMenuItem {
const char* title;
void* data;
unsigned state;
const char* const* validStates;
const struct GUIVariant* stateMappings;
unsigned nStates;
struct GUIMenu* submenu;
};
DECLARE_VECTOR(GUIMenuItemList, struct GUIMenuItem);
struct GUIBackground;
struct GUIMenu {
const char* title;
const char* subtitle;
struct GUIMenuItemList items;
size_t index;
struct GUIBackground* background;
};
enum GUIMenuExitReason {
GUI_MENU_EXIT_ACCEPT,
GUI_MENU_EXIT_BACK,
GUI_MENU_EXIT_CANCEL,
};
enum GUIMessageBoxButtons {
GUI_MESSAGE_BOX_OK = 1,
GUI_MESSAGE_BOX_CANCEL = 2
};
struct GUIParams;
enum GUIMenuExitReason GUIShowMenu(struct GUIParams* params, struct GUIMenu* menu, struct GUIMenuItem** item);
ATTRIBUTE_FORMAT(printf, 4, 5)
enum GUIMenuExitReason GUIShowMessageBox(struct GUIParams* params, int buttons, int frames, const char* format, ...);
void GUIDrawBattery(struct GUIParams* params);
void GUIDrawClock(struct GUIParams* params);
CXX_GUARD_END
#endif