tinitial implementation of selection and clipboard - st - [fork] customized bui… | |
git clone git://src.adamsgaard.dk/st | |
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LICENSE | |
--- | |
commit 0ba53e48c76a2a2668dfa270cfd0227461c3a91b | |
parent e1ce89f2678628b1c0e904800822a553de2817de | |
Author: pancake <[email protected]> | |
Date: Mon, 30 Aug 2010 23:41:37 +0200 | |
initial implementation of selection and clipboard | |
Diffstat: | |
M st.c | 111 +++++++++++++++++++++++++++++… | |
1 file changed, 108 insertions(+), 3 deletions(-) | |
--- | |
diff --git a/st.c b/st.c | |
t@@ -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 *) = { | |
t@@ -185,6 +188,9 @@ static void (*handler[LASTEvent])(XEvent *) = { | |
[ConfigureNotify] = resize, | |
[FocusIn] = focus, | |
[FocusOut] = focus, | |
+ [MotionNotify] = bmotion, | |
+ [ButtonPress] = bpress, | |
+ [ButtonRelease] = brelease, | |
}; | |
/* Globals */ | |
t@@ -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) { | |
t@@ -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++) { | |
t@@ -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,… | |
- i >= DRAW_BUF_SIZ)) { | |
+ i >= DRAW_BUF_SIZ)) { | |
xdraws(buf, base, ox, y, i); | |
i = 0; | |
} | |
t@@ -1335,7 +1440,7 @@ run(void) { | |
XEvent ev; | |
fd_set rfd; | |
int xfd = XConnectionNumber(xw.dis); | |
- long mask = ExposureMask | KeyPressMask | StructureNotifyMask | FocusC… | |
+ long mask = ExposureMask | KeyPressMask | StructureNotifyMask | FocusC… | |
XSelectInput(xw.dis, xw.win, mask); | |
XResizeWindow(xw.dis, xw.win, xw.w, xw.h); /* XXX: fix resize bug in w… |