st-nihal

My personal build of st
git clone git://nihaljere.xyz/st-nihal
Log | Files | Refs | README | LICENSE

commit 0ba53e48c76a2a2668dfa270cfd0227461c3a91b
parent e1ce89f2678628b1c0e904800822a553de2817de
Author: pancake <pancake@nopcode.org>
Date:   Mon, 30 Aug 2010 23:41:37 +0200

initial implementation of selection and clipboard

Diffstat:
Mst.c | 111++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 108 insertions(+), 3 deletions(-)

diff --git a/st.c b/st.c @@ -177,6 +177,9 @@ static char* kmap(KeySym); static void kpress(XEvent *); static void resize(XEvent *); static void focus(XEvent *); +static void brelease(XEvent *e); +static void bpress(XEvent *e); +static void bmotion(XEvent *e); static void (*handler[LASTEvent])(XEvent *) = { @@ -185,6 +188,9 @@ static void (*handler[LASTEvent])(XEvent *) = { [ConfigureNotify] = resize, [FocusIn] = focus, [FocusOut] = focus, + [MotionNotify] = bmotion, + [ButtonPress] = bpress, + [ButtonRelease] = brelease, }; /* Globals */ @@ -195,6 +201,103 @@ static CSIEscape escseq; static int cmdfd; static pid_t pid; +/* selection */ +// TODO: use X11 clipboard +static int selmode = 0; +static int selbx = -1, selby; +static int selex, seley; +int sb[2], se[2]; +static const char *clipboard = NULL; + +static inline int selected(int x, int y) { + if ((seley==y && selby==y)) { + int bx = MIN(selbx, selex); + int ex = MAX(selbx, selex); + return if(x>=bx && x<=ex) + } + return (((y>sb[1] && y<se[1]) || (y==se[1] && x<=se[0])) || \ + (y==sb[1] && x>=sb[0] && (x<=se[0] || sb[1]!=se[1]))) +} + +static void getbuttoninfo(XEvent *e, int *b, int *x, int *y) { + if(b) *b = e->xbutton.state, + *b=*b==4096?5:*b==2048?4:*b==1024?3:*b==512?2:*b==256?1:-1; + *x = e->xbutton.x/xw.cw; + *y = e->xbutton.y/xw.ch; + sb[0] = selby<seley?selbx:selex; + sb[1] = MIN(selby, seley); + se[0] = selby<seley?selex:selbx; + se[1] = MAX(selby, seley); +} + +static void bpress(XEvent *e) { + selmode = 1; + selex = selbx = e->xbutton.x/xw.cw; + seley = selby = e->xbutton.y/xw.ch; +} + +static char *getseltext() { + char *str, *ptr; + int ls, x, y, sz; + if(selbx==-1) + return NULL; + sz = ((xw.w/xw.ch) * (se[1]-sb[1]+2)); + ptr = str = malloc (sz); + for(y = 0; y < term.row; y++) { + for(x = 0; x < term.col; x++) { + if(term.line[y][x].c && (ls=selected(x, y))) { + *ptr = term.line[y][x].c; + ptr++; + } + } + if (ls) { + *ptr = '\n'; + ptr++; + } + } + *ptr = 0; + return str; +} + +static void clipboard_copy(const char *str) { + free((void *)clipboard); + clipboard = str; +} + +static void clipboard_paste() { + if(clipboard) + ttywrite(clipboard, strlen(clipboard)); +} + +// TODO: doubleclick to select word +static void brelease(XEvent *e) { + int b; + selmode = 0; + getbuttoninfo(e, &b, &selex, &seley); + if(b==4) + tscrollup(1); + else + if(b==5) + tscrolldown(1); + else + if(selbx==selex && selby==seley) { + selbx = -1; + if(b==2) + clipboard_paste(); + } else { + if(b==1) + clipboard_copy(getseltext()); + } + draw(1); +} + +static void bmotion(XEvent *e) { + if (selmode) { + getbuttoninfo(e, NULL, &selex, &seley); + draw(1); + } +} + #ifdef DEBUG void tdump(void) { @@ -1210,7 +1313,7 @@ draw(int redraw_all) { int i, x, y, ox; Glyph base, new; char buf[DRAW_BUF_SIZ]; - + XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]); XFillRectangle(xw.dis, xw.buf, dc.gc, 0, 0, xw.bufw, xw.bufh); for(y = 0; y < term.row; y++) { @@ -1218,8 +1321,10 @@ draw(int redraw_all) { i = ox = 0; for(x = 0; x < term.col; x++) { new = term.line[y][x]; + if(selbx!=-1 && new.c && selected(x, y)) + new.mode = ATTR_REVERSE; if(i > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) || - i >= DRAW_BUF_SIZ)) { + i >= DRAW_BUF_SIZ)) { xdraws(buf, base, ox, y, i); i = 0; } @@ -1335,7 +1440,7 @@ run(void) { XEvent ev; fd_set rfd; int xfd = XConnectionNumber(xw.dis); - long mask = ExposureMask | KeyPressMask | StructureNotifyMask | FocusChangeMask; + long mask = ExposureMask | KeyPressMask | StructureNotifyMask | FocusChangeMask | PointerMotionMask | ButtonPressMask | ButtonReleaseMask; XSelectInput(xw.dis, xw.win, mask); XResizeWindow(xw.dis, xw.win, xw.w, xw.h); /* XXX: fix resize bug in wmii (?) */