diff options
Diffstat (limited to 'src/scrollbar.h')
| -rw-r--r-- | src/scrollbar.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/src/scrollbar.h b/src/scrollbar.h new file mode 100644 index 0000000..b0f3fad --- /dev/null +++ b/src/scrollbar.h @@ -0,0 +1,214 @@ +#ifndef SCROLLBAR_H +#define SCROLLBAR_H + +#include <X11/Xlib.h> +#include "rxvtutil.h" + +struct rxvt_term; + +#define SB_WIDTH_NEXT 19 +#define SB_WIDTH_XTERM 15 +#define SB_WIDTH_PLAIN 7 +#ifndef SB_WIDTH_RXVT +# define SB_WIDTH_RXVT 10 +#endif + +/* + * NeXT scrollbar defines + */ +#define SB_PADDING 1 +#define SB_BORDER_WIDTH 1 +#define SB_BEVEL_WIDTH_UPPER_LEFT 1 +#define SB_BEVEL_WIDTH_LOWER_RIGHT 2 +#define SB_LEFT_PADDING (SB_PADDING + SB_BORDER_WIDTH) +#define SB_MARGIN_SPACE (SB_PADDING * 2) +#define SB_BUTTON_WIDTH (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH) +#define SB_BUTTON_HEIGHT (SB_BUTTON_WIDTH) +#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING) +#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2) +#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING) +#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING) +#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT) +#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2)) + +enum sb_state { + SB_STATE_OFF, + SB_STATE_IDLE, + SB_STATE_MOTION, + SB_STATE_UP, + SB_STATE_DOWN, +}; + +enum sb_style { + SB_STYLE_NEXT = 1, + SB_STYLE_XTERM = 2, + SB_STYLE_PLAIN = 4, + SB_STYLE_RXVT = 8, +}; + +enum sb_align { + SB_ALIGN_CENTRE, + SB_ALIGN_TOP, + SB_ALIGN_BOTTOM, +}; + +struct scrollBar_t +{ + rxvt_term *term; + sb_state state; /* scrollbar state */ + char init; /* scrollbar has been initialised */ + int beg; /* slider sub-window begin height */ + int end; /* slider sub-window end height */ + int top; /* slider top position */ + int bot; /* slider bottom position */ + sb_style style; /* style: rxvt, xterm, next */ + int width; /* scrollbar width */ + int shadow; /* scrollbar shadow width */ + int last_bot; /* scrollbar last bottom position */ + int last_top; /* scrollbar last top position */ + int last_state; /* scrollbar last state */ + sb_align align; + Window win; + Cursor leftptr_cursor; + int (scrollBar_t::*update)(int); + void setup (rxvt_term *); + void resize (); + void map (int); + int show (int); + void destroy (); + int color (); + + bool upButton (int y) + { + if (style == SB_STYLE_NEXT) + return y > end && y <= end + width + 1; + if (style == SB_STYLE_RXVT) + return y < beg; + return false; + } + bool dnButton (int y) + { + if (style == SB_STYLE_NEXT) + return y > end + width + 1; + if (style == SB_STYLE_RXVT) + return y > end; + return false; + } + int min_height () + { + return style == SB_STYLE_NEXT ? SB_THUMB_MIN_HEIGHT : 10; + } + int size () + { + return max (end - beg, 0); + } + int total_width () + { + return width + shadow * 2; + } + bool above_slider (int y) + { + return y < top; + } + bool below_slider (int y) + { + return y > bot; + } + int position (int y) + { + return y - beg; + } + + +#if defined(NEXT_SCROLLBAR) + GC blackGC, + whiteGC, + grayGC, + darkGC, + stippleGC; + Pixmap dimple, + upArrow, + downArrow, + upArrowHi, + downArrowHi; + bool last_has_sb; +#endif + +#if defined(RXVT_SCROLLBAR) + GC scrollbarGC, + topShadowGC, + botShadowGC; +#endif + +#if defined(XTERM_SCROLLBAR) + GC xscrollbarGC, + ShadowGC; +#endif + +#if defined(PLAIN_SCROLLBAR) + GC pscrollbarGC; +#endif + +private: + // update style dependent data + void update_data (); + + // scrollbar-next.C + int show_next (int); + // scrollbar-rxvt.C + int show_rxvt (int); + // scrollbar-xterm.C + int show_xterm (int); + // scrollbar-plain.C + int show_plain (int); + + void init_next (); +}; + + /* + * +-------------+ + * | | <---< SB_PADDING + * | ::::::::::: | + * | ::::::::::: | + * ''''''''''''''''' + * ,,,,,,,,,,,,,,,,, + * | ::::::::::: | + * | ::::::::::: | + * | +---------------< SB_BEVEL_WIDTH_UPPER_LEFT + * | | :::::::: | + * | V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT + * | +---------+ | + * | | ......%%| | + * | | ......%%| | + * | | .. ()..%%| | + * | | ......%%| | + * | | %%%%%%%%| | + * | +---------+ | <......................... + * | | <---< SB_PADDING : + * | +---------+ | <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT + * | | ......%%| | | : : + * | | ../\..%%| | |---< SB_BUTTON_HEIGHT : + * | | %%%%%%%%| | | : : + * | +---------+ | <-+ : : + * | | : : + * | +---------+ | <-+ :---< SB_BUTTON_BOTH_HEIGHT + * | | ......%%| | | : : + * | | ..\/..%%| | | : : + * | | %%%%%%%%| | |---< SB_BUTTON_SINGLE_HEIGHT + * | +---------+ | | : : + * | | | : : + * +-------------+ <-+.........:............: + * ^^|_________| : + * || | : + * || +---< SB_BUTTON_WIDTH + * || : + * |+------< SB_PADDING + * |: : + * +----< SB_BORDER_WIDTH + * : : + * :............: + * | + * +---< SB_WIDTH_NEXT + */ + +#endif |