use one global struct instead of many vars for selection. Cleanup.
This commit is contained in:
Aurélien Aptel
parent
80f70f1c22
commit
ee858b4805
1 changed files with 38 additions and 36 deletions
70
st.c
70
st.c
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@ -125,6 +125,14 @@ typedef struct {
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GC gc;
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} DC;
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typedef struct {
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int mode;
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int bx, by;
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int ex, ey;
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int b[2], e[2];
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char *clip;
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} Selection;
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#include "config.h"
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static void die(const char *errstr, ...);
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@ -200,23 +208,18 @@ static Term term;
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static CSIEscape escseq;
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static int cmdfd;
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static pid_t pid;
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static Selection sel;
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/* selection */
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// TODO: use X11 clipboard
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static int selmode = 0;
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static int selbx = -1, selby;
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static int selex, seley;
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int sb[2], se[2];
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static const char *clipboard = NULL;
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/* TODO: use X11 clipboard */
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static inline int selected(int x, int y) {
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if ((seley==y && selby==y)) {
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int bx = MIN(selbx, selex);
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int ex = MAX(selbx, selex);
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if ((sel.ey==y && sel.by==y)) {
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int bx = MIN(sel.bx, sel.ex);
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int ex = MAX(sel.bx, sel.ex);
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return (x>=bx && x<=ex);
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}
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return (((y>sb[1] && y<se[1]) || (y==se[1] && x<=se[0])) || \
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(y==sb[1] && x>=sb[0] && (x<=se[0] || sb[1]!=se[1])));
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return (((y>sel.b[1] && y<sel.e[1]) || (y==sel.e[1] && x<=sel.e[0])) || \
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(y==sel.b[1] && x>=sel.b[0] && (x<=sel.e[0] || sel.b[1]!=sel.e[1])));
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}
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static void getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
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@ -224,24 +227,24 @@ static void getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
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*b=*b==4096?5:*b==2048?4:*b==1024?3:*b==512?2:*b==256?1:-1;
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*x = e->xbutton.x/xw.cw;
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*y = e->xbutton.y/xw.ch;
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sb[0] = selby<seley?selbx:selex;
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sb[1] = MIN(selby, seley);
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se[0] = selby<seley?selex:selbx;
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se[1] = MAX(selby, seley);
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sel.b[0] = sel.by<sel.ey?sel.bx:sel.ex;
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sel.b[1] = MIN(sel.by, sel.ey);
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sel.e[0] = sel.by<sel.ey?sel.ex:sel.bx;
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sel.e[1] = MAX(sel.by, sel.ey);
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}
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static void bpress(XEvent *e) {
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selmode = 1;
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selex = selbx = e->xbutton.x/xw.cw;
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seley = selby = e->xbutton.y/xw.ch;
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sel.mode = 1;
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sel.ex = sel.bx = e->xbutton.x/xw.cw;
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sel.ey = sel.by = e->xbutton.y/xw.ch;
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}
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static char *getseltext() {
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char *str, *ptr;
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int ls, x, y, sz;
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if(selbx==-1)
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if(sel.bx==-1)
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return NULL;
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sz = ((xw.w/xw.ch) * (se[1]-sb[1]+2));
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sz = ((xw.w/xw.ch) * (sel.e[1]-sel.b[1]+2));
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ptr = str = malloc (sz);
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for(y = 0; y < term.row; y++) {
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for(x = 0; x < term.col; x++) {
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@ -259,29 +262,29 @@ static char *getseltext() {
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return str;
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}
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static void clipboard_copy(const char *str) {
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free((void *)clipboard);
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clipboard = str;
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static void clipboard_copy(char *str) {
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free(sel.clip);
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sel.clip = str;
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}
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static void clipboard_paste() {
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if(clipboard)
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ttywrite(clipboard, strlen(clipboard));
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if(sel.clip)
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ttywrite(sel.clip, strlen(sel.clip));
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}
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// TODO: doubleclick to select word
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static void brelease(XEvent *e) {
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int b;
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selmode = 0;
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getbuttoninfo(e, &b, &selex, &seley);
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sel.mode = 0;
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getbuttoninfo(e, &b, &sel.ex, &sel.ey);
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if(b==4)
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tscrollup(1);
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else
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if(b==5)
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tscrolldown(1);
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else
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if(selbx==selex && selby==seley) {
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selbx = -1;
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if(sel.bx==sel.ex && sel.by==sel.ey) {
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sel.bx = -1;
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if(b==2)
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clipboard_paste();
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} else {
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@ -292,8 +295,8 @@ static void brelease(XEvent *e) {
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}
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static void bmotion(XEvent *e) {
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if (selmode) {
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getbuttoninfo(e, NULL, &selex, &seley);
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if (sel.mode) {
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getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
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draw(1);
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}
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}
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@ -784,7 +787,6 @@ csihandle(void) {
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case 2: /* all */
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tclearregion(0, 0, term.col-1, term.row-1);
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break;
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case 3: /* XXX: erase saved lines (xterm) */
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default:
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goto unknown;
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}
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@ -1312,7 +1314,7 @@ draw(int redraw_all) {
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i = ox = 0;
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for(x = 0; x < term.col; x++) {
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new = term.line[y][x];
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if(selbx!=-1 && new.c && selected(x, y))
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if(sel.bx!=-1 && new.c && selected(x, y))
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new.mode ^= ATTR_REVERSE;
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if(i > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
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i >= DRAW_BUF_SIZ)) {
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