forked from 0ad/0ad
Ykkrosh
ba0ebd6644
Added <effect>s to sprites/images - currently multiply-color and add-color, though they're far from perfect. This was SVN commit r1525.
111 lines
2.9 KiB
C++
Executable File
111 lines
2.9 KiB
C++
Executable File
/*
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GUI Object Base - Button Behavior
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by Gustav Larsson
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gee@pyro.nu
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--Overview--
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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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--More info--
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Check GUI.h
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*/
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#ifndef IGUIButtonBehavior_H
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#define IGUIButtonBehavior_H
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//--------------------------------------------------------
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// Includes / Compiler directives
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//--------------------------------------------------------
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#include "GUI.h"
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class CGUISpriteInstance;
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//--------------------------------------------------------
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// Macros
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//--------------------------------------------------------
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//--------------------------------------------------------
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// Types
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//--------------------------------------------------------
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//--------------------------------------------------------
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// Declarations
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//--------------------------------------------------------
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/**
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* @author Gustav Larsson
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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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* @see IGUIObject
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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();
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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(const 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,
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const float &z,
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CGUISpriteInstance& sprite,
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CGUISpriteInstance& sprite_over,
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CGUISpriteInstance& sprite_pressed,
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CGUISpriteInstance& sprite_disabled,
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int cell_id);
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/**
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* Choosing which color of the following according to
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*/
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CColor IGUIButtonBehavior::ChooseColor();
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protected:
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virtual void ResetStates()
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{
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m_MouseHovering = false;
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m_Pressed = 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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};
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#endif
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