mirror of
https://gitea.wildfiregames.com/0ad/0ad
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1bc6d778bb
Differential Revision: https://code.wildfiregames.com/D2304 Tested on: clang 8.0.1., VS2015, Jenkins Comments By: Vladislav, Angen, Stan Tested by: Angen This was SVN commit r22941.
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/* Copyright (C) 2019 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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Interface class that enhance the IGUIObject with
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buttony behavior (click and release to click a button),
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and the GUI message GUIM_PRESSED.
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When creating a class with extended settings and
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buttony behavior, just do a multiple inheritance.
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*/
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#ifndef INCLUDED_IGUIBUTTONBEHAVIOR
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#define INCLUDED_IGUIBUTTONBEHAVIOR
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#include "gui/IGUIObject.h"
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class CGUISpriteInstance;
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/**
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* Appends button behaviours to the IGUIObject.
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* Can be used with multiple inheritance alongside
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* IGUISettingsObject and such.
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*/
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class IGUIButtonBehavior : virtual public IGUIObject
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{
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public:
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IGUIButtonBehavior(CGUI& pGUI);
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virtual ~IGUIButtonBehavior();
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/**
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* @see IGUIObject#HandleMessage()
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*/
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virtual void HandleMessage(SGUIMessage& Message);
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/**
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* This is a function that lets a button being drawn,
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* it regards if it's over, disabled, pressed and such.
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* You input sprite names and area and it'll output
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* it accordingly.
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*
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* This class is meant to be used manually in Draw()
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*
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* @param rect Rectangle in which the sprite should be drawn
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* @param z Z-value
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* @param sprite Sprite drawn when not pressed, hovered or disabled
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* @param sprite_over Sprite drawn when m_MouseHovering is true
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* @param sprite_pressed Sprite drawn when m_Pressed is true
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* @param sprite_disabled Sprite drawn when "enabled" is false
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* @param cell_id Identifies the icon to be used (if the sprite contains
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* cell-using images)
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*/
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void DrawButton(const CRect& rect, const float& z, CGUISpriteInstance& sprite, CGUISpriteInstance& sprite_over, CGUISpriteInstance& sprite_pressed, CGUISpriteInstance& sprite_disabled, int cell_id);
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/**
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* Choosing which color of the following according to object enabled/hovered/pressed status:
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* textcolor_disabled -- disabled
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* textcolor_pressed -- pressed
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* textcolor_over -- hovered
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*/
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const CGUIColor& ChooseColor();
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protected:
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/**
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* @see IGUIObject#ResetStates()
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*/
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virtual void ResetStates()
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{
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// Notify the gui that we aren't hovered anymore
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UpdateMouseOver(nullptr);
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m_Pressed = false;
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m_PressedRight = false;
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}
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/**
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* Everybody knows how a button works, you don't simply press it,
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* you have to first press the button, and then release it...
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* in between those two steps you can actually leave the button
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* area, as long as you release it within the button area... Anyway
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* this lets us know we are done with step one (clicking).
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*/
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bool m_Pressed;
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bool m_PressedRight;
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};
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#endif // INCLUDED_IGUIBUTTONBEHAVIOR
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