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#ifndef SCROLLBAR_H |
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#define SCROLLBAR_H |
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#include <X11/Xlib.h> |
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struct rxvt_term; |
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1.12 |
#define R_SB_NEXT 1 |
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#define R_SB_XTERM 2 |
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#define R_SB_PLAIN 4 |
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#define R_SB_RXVT 8 |
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1.16 |
#define R_SB_ALIGN_CENTRE 0 |
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#define R_SB_ALIGN_TOP 1 |
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#define R_SB_ALIGN_BOTTOM 2 |
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#define SB_WIDTH_NEXT 19 |
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#define SB_WIDTH_XTERM 15 |
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#define SB_WIDTH_PLAIN 7 |
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#ifndef SB_WIDTH_RXVT |
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# define SB_WIDTH_RXVT 10 |
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#endif |
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/* |
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* NeXT scrollbar defines |
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*/ |
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#define SB_PADDING 1 |
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#define SB_BORDER_WIDTH 1 |
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#define SB_BEVEL_WIDTH_UPPER_LEFT 1 |
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#define SB_BEVEL_WIDTH_LOWER_RIGHT 2 |
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#define SB_LEFT_PADDING (SB_PADDING + SB_BORDER_WIDTH) |
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#define SB_MARGIN_SPACE (SB_PADDING * 2) |
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#define SB_BUTTON_WIDTH (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH) |
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#define SB_BUTTON_HEIGHT (SB_BUTTON_WIDTH) |
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#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING) |
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#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2) |
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#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING) |
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#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING) |
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#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT) |
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#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2)) |
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1.13 |
enum sb_state { |
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STATE_IDLE = 1, |
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STATE_MOTION, |
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STATE_UP, |
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STATE_DOWN, |
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}; |
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1.11 |
struct scrollBar_t { |
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1.14 |
rxvt_term *term; |
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1.1 |
char state; /* scrollbar state */ |
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char init; /* scrollbar has been initialised */ |
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unsigned int beg; /* slider sub-window begin height */ |
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unsigned int end; /* slider sub-window end height */ |
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unsigned int top; /* slider top position */ |
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unsigned int bot; /* slider bottom position */ |
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unsigned int style; /* style: rxvt, xterm, next */ |
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unsigned int width; /* scrollbar width */ |
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1.3 |
int shadow; /* scrollbar shadow width */ |
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1.7 |
int last_bot; /* scrollbar last bottom position */ |
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int last_top; /* scrollbar last top position */ |
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int last_state; /* scrollbar last state */ |
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1.9 |
int len; |
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1.6 |
unsigned char align; |
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1.1 |
Window win; |
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1.10 |
Cursor leftptr_cursor; |
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1.1 |
int (rxvt_term::*update)(int, int, int, int); |
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1.14 |
void setup (rxvt_term *); |
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1.18 |
// update style dependent data |
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void update_data (); |
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1.1 |
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1.12 |
bool upButton (int y) |
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{ |
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if (style == R_SB_NEXT) |
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return y > end && y <= end + width + 1; |
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if (style == R_SB_RXVT) |
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return y < beg; |
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return false; |
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} |
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bool dnButton (int y) |
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{ |
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if (style == R_SB_NEXT) |
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return y > end + width + 1; |
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if (style == R_SB_RXVT) |
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return y > end; |
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return false; |
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} |
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1.17 |
unsigned min_height () |
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{ |
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return style == R_SB_NEXT ? SB_THUMB_MIN_HEIGHT : 10; |
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} |
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unsigned size () |
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{ |
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return end - beg - min_height (); |
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} |
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1.15 |
unsigned total_width () |
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{ |
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return width + shadow * 2; |
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} |
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1.11 |
}; |
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1.1 |
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#define scrollbar_above_slider(y) ((y) < scrollBar.top) |
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#define scrollbar_below_slider(y) ((y) > scrollBar.bot) |
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#define scrollbar_position(y) ((y) - scrollBar.beg) |
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/* |
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* +-------------+ |
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* | | <---< SB_PADDING |
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* | ::::::::::: | |
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* | ::::::::::: | |
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* ''''''''''''''''' |
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* ,,,,,,,,,,,,,,,,, |
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* | ::::::::::: | |
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* | ::::::::::: | |
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* | +---------------< SB_BEVEL_WIDTH_UPPER_LEFT |
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* | | :::::::: | |
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* | V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT |
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* | +---------+ | |
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* | | ......%%| | |
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* | | ......%%| | |
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* | | .. ()..%%| | |
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* | | ......%%| | |
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* | | %%%%%%%%| | |
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* | +---------+ | <......................... |
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* | | <---< SB_PADDING : |
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* | +---------+ | <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT |
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* | | ......%%| | | : : |
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* | | ../\..%%| | |---< SB_BUTTON_HEIGHT : |
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* | | %%%%%%%%| | | : : |
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* | +---------+ | <-+ : : |
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* | | : : |
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* | +---------+ | <-+ :---< SB_BUTTON_BOTH_HEIGHT |
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* | | ......%%| | | : : |
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* | | ..\/..%%| | | : : |
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* | | %%%%%%%%| | |---< SB_BUTTON_SINGLE_HEIGHT |
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* | +---------+ | | : : |
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* | | | : : |
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* +-------------+ <-+.........:............: |
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* ^^|_________| : |
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* || | : |
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* || +---< SB_BUTTON_WIDTH |
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* || : |
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* |+------< SB_PADDING |
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* |: : |
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* +----< SB_BORDER_WIDTH |
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* : : |
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* :............: |
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* | |
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* +---< SB_WIDTH_NEXT |
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*/ |
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#endif |
