mirror of https://github.com/mgba-emu/mgba.git
124 lines
3.3 KiB
C
124 lines
3.3 KiB
C
/* Copyright (c) 2013-2015 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GUI_MENU_H
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#define GUI_MENU_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#include <mgba-util/gui.h>
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#include <mgba-util/vector.h>
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#define GUI_V_V (struct GUIVariant) { .type = GUI_VARIANT_VOID }
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#define GUI_V_U(U) (struct GUIVariant) { .type = GUI_VARIANT_UNSIGNED, .v.u = (U) }
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#define GUI_V_I(I) (struct GUIVariant) { .type = GUI_VARIANT_INT, .v.i = (I) }
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#define GUI_V_F(F) (struct GUIVariant) { .type = GUI_VARIANT_FLOAT, .v.f = (F) }
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#define GUI_V_S(S) (struct GUIVariant) { .type = GUI_VARIANT_STRING, .v.s = (S) }
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#define GUI_V_P(P) (struct GUIVariant) { .type = GUI_VARIANT_POINTER, .v.p = (P) }
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#define GUIVariantIs(V, T) ((V).type == GUI_VARIANT_##T)
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#define GUIVariantIsVoid(V) GUIVariantIs(V, VOID)
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#define GUIVariantIsUInt(V) GUIVariantIs(V, UNSIGNED)
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#define GUIVariantIsInt(V) GUIVariantIs(V, INT)
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#define GUIVariantIsFloat(V) GUIVariantIs(V, FLOAT)
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#define GUIVariantIsString(V) GUIVariantIs(V, STRING)
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#define GUIVariantIsPointer(V) GUIVariantIs(V, POINTER)
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#define GUIVariantCompareUInt(V, X) (GUIVariantIsUInt(V) && (V).v.u == (X))
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#define GUIVariantCompareInt(V, X) (GUIVariantIsInt(V) && (V).v.i == (X))
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#define GUIVariantCompareString(V, X) (GUIVariantIsString(V) && strcmp((V).v.s, (X)) == 0)
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enum GUIVariantType {
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GUI_VARIANT_VOID = 0,
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GUI_VARIANT_UNSIGNED,
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GUI_VARIANT_INT,
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GUI_VARIANT_FLOAT,
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GUI_VARIANT_STRING,
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GUI_VARIANT_POINTER,
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};
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struct GUIVariant {
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enum GUIVariantType type;
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union {
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unsigned u;
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int i;
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float f;
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const char* s;
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void* p;
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} v;
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};
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struct GUIMenu;
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struct GUIMenuItem {
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const char* title;
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struct GUIVariant data;
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unsigned state;
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const char* const* validStates;
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const struct GUIVariant* stateMappings;
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unsigned nStates;
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struct GUIMenu* submenu;
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bool readonly;
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};
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DECLARE_VECTOR(GUIMenuItemList, struct GUIMenuItem);
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struct GUIBackground;
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struct GUIMenu {
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const char* title;
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const char* subtitle;
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struct GUIMenuItemList items;
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size_t index;
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struct GUIBackground* background;
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};
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struct GUIMenuSavedState {
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struct GUIMenu* menu;
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size_t start;
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};
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DECLARE_VECTOR(GUIMenuSavedList, struct GUIMenuSavedState);
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struct GUIMenuState {
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size_t start;
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int cursorOverItem;
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enum GUICursorState cursor;
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unsigned cx, cy;
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struct GUIMenuSavedList stack;
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struct GUIMenuItem* resultItem;
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};
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enum GUIMenuExitReason {
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GUI_MENU_CONTINUE = 0,
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GUI_MENU_EXIT_ACCEPT,
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GUI_MENU_EXIT_BACK,
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GUI_MENU_EXIT_CANCEL,
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GUI_MENU_ENTER,
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};
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enum GUIMessageBoxButtons {
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GUI_MESSAGE_BOX_OK = 1,
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GUI_MESSAGE_BOX_CANCEL = 2
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};
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struct GUIParams;
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void GUIMenuStateInit(struct GUIMenuState*);
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void GUIMenuStateDeinit(struct GUIMenuState*);
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enum GUIMenuExitReason GUIShowMenu(struct GUIParams* params, struct GUIMenu* menu, struct GUIMenuItem** item);
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enum GUIMenuExitReason GUIMenuRun(struct GUIParams* params, struct GUIMenu* menu, struct GUIMenuState* state);
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ATTRIBUTE_FORMAT(printf, 4, 5)
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enum GUIMenuExitReason GUIShowMessageBox(struct GUIParams* params, int buttons, int frames, const char* format, ...);
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void GUIDrawBattery(struct GUIParams* params);
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void GUIDrawClock(struct GUIParams* params);
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CXX_GUARD_END
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#endif
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