hvirtual/guicast/bcscrollbar.h

   1 #ifndef BCSCROLLBAR_H
   2 #define BCSCROLLBAR_H
   3
   4 #include "bclistbox.inc"
   5 #include "bcsubwindow.h"
   6
   7 // Orientations
   8 #define SCROLL_HORIZ 0
   9 #define SCROLL_VERT  1
  10
  11 // Selection identifiers
  12 #define SCROLL_HANDLE 1
  13 #define SCROLL_BACKPAGE 2
  14 #define SCROLL_FWDPAGE 3
  15 #define SCROLL_BACKARROW 4
  16 #define SCROLL_FWDARROW 5
  17
  18 // Image identifiers
  19 #define SCROLL_HANDLE_UP        0
  20 #define SCROLL_HANDLE_HI        1
  21 #define SCROLL_HANDLE_DN        2
  22 #define SCROLL_HANDLE_BG        3
  23 #define SCROLL_BACKARROW_UP 4
  24 #define SCROLL_BACKARROW_HI 5
  25 #define SCROLL_BACKARROW_DN 6
  26 #define SCROLL_FWDARROW_UP  7
  27 #define SCROLL_FWDARROW_HI  8
  28 #define SCROLL_FWDARROW_DN  9
  29 #define SCROLL_IMAGES           10
  30
  31
  32
  33
  34
  35
  36
  37
  38 #define MINHANDLE 10
  39
  40 class BC_ScrollBar : public BC_SubWindow
  41 {
  42 public:
  43         BC_ScrollBar(int x,
  44                 int y,
  45                 int orientation,
  46                 int pixels,
  47                 int64_t length,
  48                 int64_t position,
  49                 int64_t handlelength,
  50                 VFrame **data = 0);
  51         virtual ~BC_ScrollBar();
  52
  53         friend class BC_ListBox;
  54
  55         virtual int handle_event() { return 0; };
  56         int initialize();
  57         int cursor_motion_event();
  58         int cursor_leave_event();
  59         int cursor_enter_event();
  60         int button_press_event();
  61         int button_release_event();
  62         int repeat_event(int64_t repeat_id);
  63         int64_t get_value();
  64         int64_t get_position();
  65         int64_t get_length();
  66         int64_t get_handlelength();
  67         int get_pixels();
  68         void set_images(VFrame **data);
  69         int in_use();
  70         int update_value(int64_t value);
  71         int update_length(int64_t length, int64_t position, int64_t handlelength);
  72         int reposition_window(int x, int y, int pixels);
  73         int get_span();
  74         static int get_span(int orientation);
  75         int get_arrow_pixels();
  76
  77 private:
  78         void calculate_dimensions(int &w, int &h);
  79         int activate();
  80         void draw();
  81         void get_handle_dimensions();
  82         int get_cursor_zone(int cursor_x, int cursor_y);
  83
  84         int64_t length, position, handlelength;   // handle position and size
  85         int selection_status, highlight_status;
  86         int orientation, pixels;
  87         int handle_pixel, handle_pixels;
  88         int min_pixel, max_pixel;
  89         int64_t repeat_count;
  90 // Don't deactivate if bound to another tool
  91         BC_WindowBase *bound_to;
  92         VFrame **data;
  93         BC_Pixmap *images[SCROLL_IMAGES];
  94 };
  95
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 103
 104 #endif