mirror of
https://github.com/DaedalusX64/daedalus.git
synced 2025-04-02 10:21:48 -04:00
99 lines
No EOL
2.8 KiB
C++
99 lines
No EOL
2.8 KiB
C++
/*
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Copyright (C) 2007 StrmnNrmn
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef UI_UIELEMENT_H_
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#define UI_UIELEMENT_H_
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#include <vector>
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#include <memory>
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#include <string>
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#include "Base/Types.h"
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#include "UIAlignment.h"
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class CUIContext;
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class c32;
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class CUIElement
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{
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public:
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virtual ~CUIElement();
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virtual bool IsSelectable() const { return true; }
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virtual void OnSelected() {} // Selected with Start/X
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virtual void OnNext() {}
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virtual void OnPrevious() {}
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virtual u32 GetHeight(CUIContext *context) const = 0;
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virtual void Draw(CUIContext *context, s32 min_x, s32 max_x, EAlignType halign, s32 y, bool selected) const = 0;
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virtual const std::string GetDescription() const = 0;
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private:
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};
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class CUIElementBag
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{
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public:
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CUIElementBag();
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~CUIElementBag();
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u32 Add(std::unique_ptr<CUIElement> element) {
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u32 idx = mElements.size();
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mElements.emplace_back(std::move(element));
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return idx;
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}
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void Clear() { mElements.clear(); mSelectedIdx = 0; }
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#ifdef DAEDALUS_ENABLE_ASSERTS
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void SetSelected(u32 idx) { DAEDALUS_ASSERT(idx < mElements.size(), "Invalid idx"); mSelectedIdx = idx; }
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#else
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void SetSelected(u32 idx) { mSelectedIdx = idx; }
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#endif
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void SelectNext();
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void SelectPrevious();
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u32 GetNumElements() const { return mElements.size(); }
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#ifdef DAEDALUS_ENABLE_ASSERTS
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CUIElement* GetElement(u32 i) const {
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DAEDALUS_ASSERT(i < mElements.size(), "Invalid idx");
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return mElements[i].get();
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}
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#else
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CUIElement* GetElement(u32 i) const { return mElements[i].get(); }
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#endif
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u32 GetSelectedIndex() const { return mSelectedIdx; }
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CUIElement* GetSelectedElement() const {
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if (mSelectedIdx < mElements.size()) return mElements[mSelectedIdx].get();
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return nullptr;
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}
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void Draw(CUIContext *context, s32 min_x, s32 max_x, EAlignType halign, s32 y) const;
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void DrawCentredVertically(CUIContext *context, s32 min_x, s32 min_y, s32 max_x, s32 max_y) const;
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private:
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std::vector<std::unique_ptr<CUIElement>> mElements;
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u32 mSelectedIdx;
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};
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#endif // UI_UIELEMENT_H_
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