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scrollbar_generic.h

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/*
        ClanGUI, copyrights by various people. Have a look in the CREDITS file.
        
        This sourcecode is distributed using the Library GNU Public Licence,
        version 2 or (at your option) any later version. Please read LICENSE
        for details.
*/

#ifndef header_scrollbar_generic
#define header_scrollbar_generic

#include <API/Core/System/timer.h>
#include <API/Display/Input/key.h>
#include <API/Core/Math/rect.h>
#include <API/signals.h>

class CL_ScrollBar;
class CL_Button;
class CL_InputDevice;
class CL_Component;
class CL_ComponentOptions;
class CL_StyleManager;

class CL_ScrollBar_Generic
{
// Construction:
public:
        static CL_ComponentOptions create_options(
                const CL_Rect &pos,
                int min,
                int max,
                int value,
                bool orientation,
                bool tracking);

        CL_ScrollBar_Generic(CL_ScrollBar *self, const CL_ComponentOptions &options, CL_StyleManager *style);
        ~CL_ScrollBar_Generic() {};

// Attributes:
public:
        int get_range() const;

        CL_Component *client_area;

        int min_value;
        int max_value;
        int cur_value;

        bool tracking;
        bool vertical;
        bool fixed_length;

        bool dragging;
        CL_Rect rect_slider;
        int slider_length;
                
// Operations:
public:
        void set_vertical(bool enable);
        void set_min_value(int value);
        void set_max_value(int value);
        void set_value(int value);

// Signals:
public:
        CL_Signal_v1<int> sig_value_changed;
        CL_Signal_v0 sig_slider_pressed;
        CL_Signal_v1<int> sig_slider_moved;
        CL_Signal_v0 sig_slider_released;

// Slots:
private:
        CL_Slot slot_timer;
        CL_Slot slot_keydown, slot_keyup, slot_mousemove;
        CL_Slot slot_resize;
        CL_Slot slot_button_decrease, slot_button_increase;
        CL_Slot slot_child_add, slot_child_remove;

// Callbacks:
private:
        void on_child_add(CL_Component *child);
        void on_child_remove(CL_Component *child);
        void on_key_down(CL_Component *comp, CL_InputDevice *device, CL_Key key);
        void on_key_up(CL_Component *comp, CL_InputDevice *device, CL_Key key);
/*      void on_mouse_move(CL_Component *comp, CL_InputDevice *device, int x, int y);
        void on_scroll_timer();
        void on_decrease_pressed();
        void on_increase_pressed();
        void on_decrease_released();
        void on_increase_released();
        void on_resize(int old_width, int old_height);
*/
// Implementation:
private:
        void calculate_slider_size();

        CL_ScrollBar *scrollbar;
//      CL_Timer scroll_timer;

/*      bool mouse_captured;
        bool scrolling;
        bool section_scrolling;
        int scroll_direction;
*//*
        int drag_offset_x, drag_offset_y;
        CL_Rect drag_rect;

        int capture_orgpos;
        int capture_org_drag_offset_x, capture_org_drag_offset_y;
        int capture_x_offset, capture_y_offset;
        int last_capture_x, last_capture_y;
*/
        bool initialized;
};

#endif

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