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-rw-r--r--src/extras/frontendoption.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/extras/frontendoption.h b/src/extras/frontendoption.h
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+#pragma once
+#include "common.h"
+
+#ifdef CUSTOM_FRONTEND_OPTIONS
+#include "Frontend.h"
+
+// Warning: All of the code relies on that you won't use more then NUM_MENUROWS(18) options on one page. Also congrats if you can make 18 options visible at once.
+
+
+// Static/select: User allocates variable, passes it to function and it's set automatically from input among the strings given to function,
+// then you can handle ChangeFunc and ReturnPrevPageFunc if needed.
+//
+// Dynamic: Function doesn't accept value pointer, user should do operations with handling ButtonPressFunc.
+// Right-side text can be set via DrawFunc, which is called on every draw. ReturnPrevPageFunc is also here if needed.
+
+#define FEOPTION_SELECT 0
+#define FEOPTION_DYNAMIC 1
+#define FEOPTION_REDIRECT 2
+#define FEOPTION_GOBACK 3
+
+#define FEOPTION_ACTION_LEFT 0
+#define FEOPTION_ACTION_RIGHT 1
+#define FEOPTION_ACTION_SELECT 2
+#define FEOPTION_ACTION_FOCUSLOSS 3
+
+void RemoveCustomFrontendOptions();
+void CustomFrontendOptionsPopulate();
+
+// for static and dynamic options
+typedef void (*ReturnPrevPageFunc)();
+
+// for static options
+typedef void (*ChangeFunc)(int8 displayedValue); // called before updating the value
+
+// for dynamic options
+typedef wchar* (*DrawFunc)(bool* disabled); // should return pointer to right text. *disabled = true will make it dark yellow
+typedef void (*ButtonPressFunc)(int8 action); // see FEOPTION_ACTIONs above
+
+struct FrontendOption
+{
+ int8 type;
+ int8 screenOptionOrder;
+ eMenuScreen screen;
+ const wchar* leftText;
+ ReturnPrevPageFunc returnPrevPageFunc;
+
+ union {
+ // Only for dynamic
+ struct {
+ DrawFunc drawFunc;
+ ButtonPressFunc buttonPressFunc;
+ };
+
+ // Only for static/select
+ struct {
+ const wchar** rightTexts;
+ int8 numRightTexts;
+ int8 *value;
+ int8 displayedValue; // if onlyApplyOnEnter enabled
+ bool onlyApplyOnEnter;
+ ChangeFunc changeFunc;
+ };
+
+ // Only for redirect
+ struct {
+ eMenuScreen to;
+ int8 option;
+ bool fadeIn;
+ };
+ };
+};
+
+extern int numCustomFrontendOptions;
+extern FrontendOption* customFrontendOptions;
+
+// To be used in ButtonPressFunc / ChangeFunc(but that would be weird):
+void ChangeScreen(eMenuScreen screen, int option = 0, bool fadeIn = true);
+void GoBack(bool fadeIn = true);
+
+// If option is positive number, all calls will increase it before using it (you can think it as cursor). -1 means before the back button, -2 is end of page
+void FrontendOptionSetPosition(eMenuScreen screen, int8 option = -1);
+
+void FrontendOptionAddSelect(const wchar* leftText, const wchar** rightTexts, int8 numRightTexts, int8 *var, bool onlyApplyOnEnter, ChangeFunc changeFunc, ReturnPrevPageFunc returnPrevPageFunc);
+void FrontendOptionAddDynamic(const wchar* leftText, DrawFunc rightTextDrawFunc, ButtonPressFunc buttonPressFunc, ReturnPrevPageFunc returnPrevPageFunc);
+void FrontendOptionAddRedirect(const wchar* text, eMenuScreen to, int8 selectedOption = 0, bool fadeIn = true);
+void FrontendOptionAddBackButton(const wchar* text, bool fadeIn = true);
+#endif \ No newline at end of file