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GUIOverlay.h
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/*
* Copyright (C) 2012 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Me and My Shadow is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GUI_OVERLAY_H
#define GUI_OVERLAY_H
#include <SDL.h>
#include "GameState.h"
#include "GUIObject.h"
//The GUIOverlay state, this is a special state since it doens't appear in the states list.
//It is used to properly handle GUIs that overlay the current state, dialogs for example.
class GUIOverlay : public GameState{
private:
//A pointer to the current state to put back when needed.
GameState* parentState;
//Pointer to the previous GUIObjectRoot.
GUIObject* tempGUIObjectRoot;
//Boolean if the screen should be dimmed.
bool dim;
public:
//Enables default keyboard navigation code.
//See the enum KeyboardNavigationMode for more info.
int keyboardNavigationMode;
public:
//Constructor.
//root: Pointer to the new GUIObjectRoot.
//dim: Boolean if the parent state should be dimmed.
GUIOverlay(SDL_Renderer &renderer, GUIObject* root, bool dim=true);
//Destructor.
~GUIOverlay();
//Method that can be used to create a "sub gameloop".
//This is usefull in case the GUI that is overlayed is used for userinput which the function needs to return.
//NOTE: This loop should be kept similar to the main loop.
//skip: Boolean if this GUIOverlay can be "skipped", meaning it can be exited quickly by pressing escape or return.
void enterLoop(ImageManager &imageManager, SDL_Renderer& renderer, bool skipByEscape = false, bool skipByReturn = false);
//Inherited from GameState.
void handleEvents(ImageManager&, SDL_Renderer&) override;
void logic(ImageManager&, SDL_Renderer&) override;
void render(ImageManager& imageManager, SDL_Renderer& renderer) override;
void resize(ImageManager& imageManager, SDL_Renderer& renderer) override;
};
class GUIButton;
class GUITextArea;
// A subclass of GUIOverlay which has:
// - an optional text area which is scrolled by arrow keys
// - an optional cancel button which will be clicked by pressing ESC key.
class AddonOverlay : public GUIOverlay {
private:
GUIButton *okButton, *cancelButton;
GUITextArea *textArea;
public:
AddonOverlay(SDL_Renderer &renderer, GUIObject* root, GUIButton *okButton, GUIButton *cancelButton, GUITextArea *textArea, int keyboardNavigationMode);
void handleEvents(ImageManager& imageManager, SDL_Renderer& renderer) override;
};
#endif

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