bcscrollbar.h

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#ifndef BCSCROLLBAR_H
#define BCSCROLLBAR_H

#include "bclistbox.inc"
#include "bcsubwindow.h"

// Orientations
#define SCROLL_HORIZ 0
#define SCROLL_VERT  1

// Selection identifiers
#define SCROLL_HANDLE 1
#define SCROLL_BACKPAGE 2
#define SCROLL_FWDPAGE 3
#define SCROLL_BACKARROW 4
#define SCROLL_FWDARROW 5

// Image identifiers
#define SCROLL_HANDLE_UP        0
#define SCROLL_HANDLE_HI        1
#define SCROLL_HANDLE_DN        2
#define SCROLL_HANDLE_BG        3
#define SCROLL_BACKARROW_UP 4
#define SCROLL_BACKARROW_HI 5
#define SCROLL_BACKARROW_DN 6
#define SCROLL_FWDARROW_UP  7
#define SCROLL_FWDARROW_HI  8
#define SCROLL_FWDARROW_DN  9
#define SCROLL_IMAGES           10









class BC_ScrollBar : public BC_SubWindow
{
public:
        BC_ScrollBar(int x, 
                int y, 
                int orientation, 
                int pixels, 
                int64_t length, 
                int64_t position, 
                int64_t handlelength,
                VFrame **data = 0);
        virtual ~BC_ScrollBar();

        friend class BC_ListBox;

        virtual int handle_event() { return 0; };
        int initialize();
        int cursor_motion_event();
        int cursor_leave_event();
        int cursor_enter_event();
        int button_press_event();
        int button_release_event();
        int repeat_event(int64_t repeat_id);
        int64_t get_value();
        int64_t get_position();
        int64_t get_length();
        int64_t get_handlelength();
        int get_pixels();
        void set_images(VFrame **data);
        int in_use();
        int update_value(int64_t value);
        int update_length(int64_t length, int64_t position, int64_t handlelength);
        int reposition_window(int x, int y, int pixels);
        int get_span();
        static int get_span(int orientation);
        int get_arrow_pixels();

private:
        void calculate_dimensions(int &w, int &h);
        int activate();
        void draw();
        void get_handle_dimensions();
        int get_cursor_zone(int cursor_x, int cursor_y);

        int64_t length, position, handlelength;   // handle position and size
        int selection_status, highlight_status;
        int orientation, pixels;
        int handle_pixel, handle_pixels;
        int min_pixel, max_pixel;
        int64_t repeat_count;
// Don't deactivate if bound to another tool
        BC_WindowBase *bound_to;
        VFrame **data;
        BC_Pixmap *images[SCROLL_IMAGES];
};









#endif

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