widgets.h

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/*
 * widgets.h
 *
 *  Created on: Jan 8, 2013
 *      Author: sushil
 */

#ifndef WIDGETS_H_
#define WIDGETS_H_

#include <OgreVector2.h>
#include <OgreColourValue.h>
#include <OgreOverlayManager.h>
#include <OgreOverlayContainer.h>
#include <OgreOverlayElement.h>
#include <OgreTextAreaOverlayElement.h>
#include <OISMouse.h>


#include <inputHandlers.h>



namespace OgreGFX
{

static std::string DEFAULT_PANEL_MATERIAL = "ECSLENT/navy/material/shipInfo/overlay";
static Ogre::Vector2 DEFAULT_LABEL_SIZE = Ogre::Vector2(100, 20);

enum Placement
{
    Below = 0,
    Right = 1
};

class GraphicsInteractionManager;

class Widget
{
public:
    Ogre::Vector2 pos; 
    Ogre::Vector2 size; 
    Widget *parent; 
    GraphicsInteractionManager *gfx; 
    Ogre::GuiMetricsMode mode;
    std::string desc; 
    Widget(GraphicsInteractionManager *gim, Widget *aParent = 0, Ogre::Vector2 defaultPos = Ogre::Vector2::NEGATIVE_UNIT_X, Ogre::Vector2 defaultSize = Ogre::Vector2::NEGATIVE_UNIT_X, Ogre::GuiMetricsMode
    defaultMode = Ogre::GMM_RELATIVE);
    ~Widget();

    Ogre::Vector2 screenPos();

    bool cursonInMe(const Ogre::Vector2 &pos);

    virtual void posChanged()
    {
    };

    virtual void show()
    {
    };

    virtual void hide()
    {
    };

    virtual Ogre::OverlayElement* getOverlayElementToAdd()
    {
        return 0;
    };

};

class UIOutline : public Widget
{
public:

    Ogre::OverlayManager *overlayManagerPtr;
    Ogre::Overlay* overlay;
    virtual void show();
    virtual void hide();

    UIOutline(GraphicsInteractionManager *gim);
    ~UIOutline();

};

class FEPanel : public Widget
{
private:

public:
    FEPanel(GraphicsInteractionManager *gim, std::string name = "FEPanel", Widget* aParent = 0,
            Ogre::Vector2 defaultPos = Ogre::Vector2::NEGATIVE_UNIT_X, Ogre::Vector2 defaultSize = Ogre::Vector2::NEGATIVE_UNIT_X,
            std::string material = DEFAULT_PANEL_MATERIAL, Ogre::GuiMetricsMode defaultMode = Ogre::GMM_RELATIVE); //: Widget(gim) {};
    ~FEPanel();

    Ogre::Overlay* overlayPtr;
    Ogre::OverlayManager* overlayManagerPtr;
    Ogre::OverlayContainer *panel;
    //Ogre::TextAreaOverlayElement *textArea; /*! The visual element used to display text */
    std::string material; 
    std::string name; 
    Ogre::Vector2 belowPos; 
    Ogre::Vector2 rightPos; 
    Ogre::Vector2 gap; 
    std::list<Widget*> items; 
    std::list<Ogre::OverlayElement*> separators; 
    int separatorHeight; 
    virtual void show();
    virtual void hide();
    virtual void posChanged();

    void addItem(Widget *item, Placement placement = Below);

    //          void getItems();
    //          void getOverlayElementToAdd();

    void addSep(int separation);

    void adjustSeparators();
    Ogre::OverlayElement* makeSep();

    virtual Ogre::OverlayElement* getOverlayElementToAdd();

};

class FELabel : public Widget
{
public:
    FELabel(GraphicsInteractionManager *gim, std::string caption = "FELabel",
            Widget *aParent = 0, Ogre::ColourValue color = Ogre::ColourValue::Red,
            Ogre::Vector2 defaultPos = Ogre::Vector2::NEGATIVE_UNIT_X, Ogre::Vector2 defaultSize = DEFAULT_LABEL_SIZE, Ogre::GuiMetricsMode defaultMode = Ogre::GMM_RELATIVE);
    ~FELabel();

    Ogre::OverlayManager* overlayManagerPtr;
    std::string caption; 
    Ogre::ColourValue color; 
    Ogre::Vector2 offset; 
    Ogre::TextAreaOverlayElement* textArea; 
    void setCaption(std::string val);

    virtual void show();
    virtual void hide();
    virtual void posChanged();
    virtual Ogre::OverlayElement* getOverlayElementToAdd();

};

class FEButton : public FEPanel, public MouseHandler
{
public:
    FEButton(GraphicsInteractionManager *gim,
             const std::set<OIS::KeyCode> *modifierKeys, const OIS::MouseButtonID oisMouseButtonId,
             std::string name = "FEButton",
             Widget *aParent = 0, Ogre::ColourValue color = Ogre::ColourValue::Red,
             Ogre::Vector2 defaultPos = Ogre::Vector2::NEGATIVE_UNIT_X,
             Ogre::Vector2 defaultSize = DEFAULT_LABEL_SIZE, bool (*pClickFunction)() = NULL, std::string material = DEFAULT_PANEL_MATERIAL, std::string = "BLANK", Ogre::GuiMetricsMode defaultMode = Ogre::GMM_RELATIVE);
    ~FEButton();

    bool (*pClickFunction)();
    bool pressed; 
    bool enabled; 
    virtual void handleMouseEvent(const OIS::MouseEvent &args);
    virtual void show();
    virtual void hide();
};

class FESCVButton : public FEButton
{
public:
    FESCVButton(GraphicsInteractionManager *gim,
                const std::set<OIS::KeyCode> *modifierKeys, const OIS::MouseButtonID oisMouseButtonId,
                std::string caption = "FEButton",
                Widget *aParent = 0, Ogre::ColourValue color = Ogre::ColourValue::Red,
                Ogre::Vector2 defaultPos = Ogre::Vector2::NEGATIVE_UNIT_X,
                Ogre::Vector2 defaultSize = DEFAULT_LABEL_SIZE, Ogre::GuiMetricsMode defaultMode = Ogre::GMM_RELATIVE);
    ~FESCVButton();

    virtual void handleMouseEvent(const OIS::MouseEvent &args);
};

class FEMarineButton : public FEButton
{
public:
    FEMarineButton(GraphicsInteractionManager *gim,
                   const std::set<OIS::KeyCode> *modifierKeys, const OIS::MouseButtonID oisMouseButtonId,
                   std::string caption = "FEButton",
                   Widget *aParent = 0, Ogre::ColourValue color = Ogre::ColourValue::Red,
                   Ogre::Vector2 defaultPos = Ogre::Vector2::NEGATIVE_UNIT_X,
                   Ogre::Vector2 defaultSize = DEFAULT_LABEL_SIZE, Ogre::GuiMetricsMode defaultMode = Ogre::GMM_RELATIVE);
    ~FEMarineButton();

    virtual void handleMouseEvent(const OIS::MouseEvent &args);
};

class FELabelPair : public FEPanel
{
public:
    FELabelPair(GraphicsInteractionManager *gim, std::string caption1 = "Key", std::string caption2 = "Value",
                Widget *aParent = 0, Ogre::ColourValue color = Ogre::ColourValue::Green,
                Ogre::Vector2 defaultPos = Ogre::Vector2::NEGATIVE_UNIT_X,
                Ogre::Vector2 defaultColumnWidths = Ogre::Vector2(100, 200), int columnHeight = DEFAULT_LABEL_SIZE.y,
                std::string materialName = DEFAULT_PANEL_MATERIAL, Ogre::GuiMetricsMode defaultMode = Ogre::GMM_RELATIVE);

    /*dimensions/positions are in pixels */
    ~FELabelPair()
    {
    };

    FELabel *left, *right;

    virtual void show();
    virtual void hide();

    void setLeft(std::string val);

    void setRight(std::string val);

};


}


#endif /* WIDGETS_H_ */

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