tb_window.h

// ================================================================================
// ==      This file is a part of Turbo Badger. (C) 2011-2014, Emil Segerås      ==
// ==                     See tb_core.h for more information.                    ==
// ================================================================================

#ifndef TB_WINDOW_H
#define TB_WINDOW_H

#include "tb_widgets_common.h"
#include "tb_widgets_listener.h"

namespace tb {

enum WINDOW_SETTINGS {
    WINDOW_SETTINGS_NONE            = 0,    
    WINDOW_SETTINGS_TITLEBAR        = 1,    
    WINDOW_SETTINGS_RESIZABLE       = 2,    
    WINDOW_SETTINGS_CLOSE_BUTTON    = 4,    
    WINDOW_SETTINGS_CAN_ACTIVATE    = 8,    

    WINDOW_SETTINGS_DEFAULT = WINDOW_SETTINGS_TITLEBAR | WINDOW_SETTINGS_RESIZABLE |
                                WINDOW_SETTINGS_CLOSE_BUTTON | WINDOW_SETTINGS_CAN_ACTIVATE
};
MAKE_ENUM_FLAG_COMBO(WINDOW_SETTINGS);

class TBWindow : public TBWidget
{
public:
    // For safe typecasting
    TBOBJECT_SUBCLASS(TBWindow, TBWidget);

    TBWindow();
    ~TBWindow();

    void Close();

    bool IsActive() const;

    void Activate();

    bool EnsureFocus();

    void SetLastFocus(TBWidget *last_focus) { m_last_focus.Set(last_focus); }

    void SetSettings(WINDOW_SETTINGS settings);
    WINDOW_SETTINGS GetSettings() { return m_settings; }

    enum RESIZE_FIT {
        RESIZE_FIT_PREFERRED,           
        RESIZE_FIT_MINIMAL,             
        RESIZE_FIT_CURRENT_OR_NEEDED    
    };

    TBRect GetResizeToFitContentRect(RESIZE_FIT fit = RESIZE_FIT_PREFERRED);

    void ResizeToFitContent(RESIZE_FIT fit = RESIZE_FIT_PREFERRED);

    virtual bool SetText(const TBStr &text) { return m_textfield.SetText(text); }
    virtual bool GetText(TBStr &text) const { return m_textfield.GetText(text); }
    using TBWidget::GetText; 

    int GetTitleHeight();

    virtual TBRect GetPaddingRect();
    virtual PreferredSize OnCalculatePreferredSize(const SizeConstraints &constraints);

    virtual bool OnEvent(const TBWidgetEvent &ev);
    virtual void OnAdded();
    virtual void OnRemove();
    virtual void OnChildAdded(TBWidget *child);
    virtual void OnResized(int old_w, int old_h);

protected:
    TBMover m_mover;
    TBResizer m_resizer;
    TBTextField m_textfield;
    TBWidget m_close_button;
    WINDOW_SETTINGS m_settings;
    TBWidgetSafePointer m_last_focus;
    TBWindow *GetTopMostOtherWindow(bool only_activable_windows);
    void SetWindowActiveState(bool active);
    void DeActivate();
};

} // namespace tb

#endif // TB_WINDOW_H