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use one global struct instead of many vars for selection. Cleanup.

This commit is contained in:
Aurélien Aptel 2010-08-31 15:36:13 +02:00
parent 80f70f1c22
commit ee858b4805
1 changed files with 38 additions and 36 deletions
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70
st.c
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@ -125,6 +125,14 @@ typedef struct {
GC gc;
} DC;
typedef struct {
int mode;
int bx, by;
int ex, ey;
int b[2], e[2];
char *clip;
} Selection;
#include "config.h"
static void die(const char *errstr, ...);
@ -200,23 +208,18 @@ static Term term;
static CSIEscape escseq;
static int cmdfd;
static pid_t pid;
static Selection sel;
/* 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;
/* TODO: use X11 clipboard */
static inline int selected(int x, int y) {
if ((seley==y && selby==y)) {
int bx = MIN(selbx, selex);
int ex = MAX(selbx, selex);
if ((sel.ey==y && sel.by==y)) {
int bx = MIN(sel.bx, sel.ex);
int ex = MAX(sel.bx, sel.ex);
return (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])));
return (((y>sel.b[1] && y<sel.e[1]) || (y==sel.e[1] && x<=sel.e[0])) || \
(y==sel.b[1] && x>=sel.b[0] && (x<=sel.e[0] || sel.b[1]!=sel.e[1])));
}
static void getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
@ -224,24 +227,24 @@ static void getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
*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);
sel.b[0] = sel.by<sel.ey?sel.bx:sel.ex;
sel.b[1] = MIN(sel.by, sel.ey);
sel.e[0] = sel.by<sel.ey?sel.ex:sel.bx;
sel.e[1] = MAX(sel.by, sel.ey);
}
static void bpress(XEvent *e) {
selmode = 1;
selex = selbx = e->xbutton.x/xw.cw;
seley = selby = e->xbutton.y/xw.ch;
sel.mode = 1;
sel.ex = sel.bx = e->xbutton.x/xw.cw;
sel.ey = sel.by = e->xbutton.y/xw.ch;
}
static char *getseltext() {
char *str, *ptr;
int ls, x, y, sz;
if(selbx==-1)
if(sel.bx==-1)
return NULL;
sz = ((xw.w/xw.ch) * (se[1]-sb[1]+2));
sz = ((xw.w/xw.ch) * (sel.e[1]-sel.b[1]+2));
ptr = str = malloc (sz);
for(y = 0; y < term.row; y++) {
for(x = 0; x < term.col; x++) {
@ -259,29 +262,29 @@ static char *getseltext() {
return str;
}
static void clipboard_copy(const char *str) {
free((void *)clipboard);
clipboard = str;
static void clipboard_copy(char *str) {
free(sel.clip);
sel.clip = str;
}
static void clipboard_paste() {
if(clipboard)
ttywrite(clipboard, strlen(clipboard));
if(sel.clip)
ttywrite(sel.clip, strlen(sel.clip));
}
// TODO: doubleclick to select word
static void brelease(XEvent *e) {
int b;
selmode = 0;
getbuttoninfo(e, &b, &selex, &seley);
sel.mode = 0;
getbuttoninfo(e, &b, &sel.ex, &sel.ey);
if(b==4)
tscrollup(1);
else
if(b==5)
tscrolldown(1);
else
if(selbx==selex && selby==seley) {
selbx = -1;
if(sel.bx==sel.ex && sel.by==sel.ey) {
sel.bx = -1;
if(b==2)
clipboard_paste();
} else {
@ -292,8 +295,8 @@ static void brelease(XEvent *e) {
}
static void bmotion(XEvent *e) {
if (selmode) {
getbuttoninfo(e, NULL, &selex, &seley);
if (sel.mode) {
getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
draw(1);
}
}
@ -784,7 +787,6 @@ csihandle(void) {
case 2: /* all */
tclearregion(0, 0, term.col-1, term.row-1);
break;
case 3: /* XXX: erase saved lines (xterm) */
default:
goto unknown;
}
@ -1312,7 +1314,7 @@ 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))
if(sel.bx!=-1 && new.c && selected(x, y))
new.mode ^= ATTR_REVERSE;
if(i > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
i >= DRAW_BUF_SIZ)) {