fixed insert segfault, added nextrune
This commit is contained in:
Connor Lane Smith
parent
402dc2bc95
commit
849f1dd7a3
72
dmenu.c
72
dmenu.c
|
|
@ -15,7 +15,6 @@
|
|||
#define INRECT(x,y,rx,ry,rw,rh) ((x) >= (rx) && (x) < (rx)+(rw) && (y) >= (ry) && (y) < (ry)+(rh))
|
||||
#define MIN(a,b) ((a) < (b) ? (a) : (b))
|
||||
#define MAX(a,b) ((a) > (b) ? (a) : (b))
|
||||
#define UTF8_CODEPOINT(c) (((c) & 0xc0) != 0x80)
|
||||
|
||||
typedef struct Item Item;
|
||||
struct Item {
|
||||
|
|
@ -32,7 +31,8 @@ static void grabkeyboard(void);
|
|||
static void insert(const char *s, ssize_t n);
|
||||
static void keypress(XKeyEvent *ev);
|
||||
static void match(void);
|
||||
static void paste(Atom atom);
|
||||
static size_t nextrune(int incr);
|
||||
static void paste(void);
|
||||
static void readstdin(void);
|
||||
static void run(void);
|
||||
static void setup(void);
|
||||
|
|
@ -52,7 +52,7 @@ static unsigned int lines = 0;
|
|||
static unsigned int promptw;
|
||||
static unsigned long normcol[ColLast];
|
||||
static unsigned long selcol[ColLast];
|
||||
static Atom clip, utf8;
|
||||
static Atom utf8;
|
||||
static Bool topbar = True;
|
||||
static DC *dc;
|
||||
static Item *items = NULL;
|
||||
|
|
@ -159,7 +159,9 @@ grabkeyboard(void) {
|
|||
|
||||
void
|
||||
insert(const char *s, ssize_t n) {
|
||||
memmove(text + cursor + n, text + cursor, sizeof text - cursor - n);
|
||||
if(strlen(text) + n > sizeof text - 1)
|
||||
return;
|
||||
memmove(text + cursor + n, text + cursor, sizeof text - cursor - MAX(n, 0));
|
||||
if(n > 0)
|
||||
memcpy(text + cursor, s, n);
|
||||
cursor += n;
|
||||
|
|
@ -169,7 +171,6 @@ insert(const char *s, ssize_t n) {
|
|||
void
|
||||
keypress(XKeyEvent *ev) {
|
||||
char buf[32];
|
||||
int n;
|
||||
size_t len;
|
||||
KeySym ksym;
|
||||
|
||||
|
|
@ -217,38 +218,31 @@ keypress(XKeyEvent *ev) {
|
|||
ksym = XK_Up;
|
||||
break;
|
||||
case XK_u: /* delete left */
|
||||
insert(NULL, -cursor);
|
||||
insert(NULL, 0 - cursor);
|
||||
break;
|
||||
case XK_w: /* delete word */
|
||||
if(cursor == 0)
|
||||
return;
|
||||
n = 0;
|
||||
while(cursor - n++ > 0 && text[cursor - n] == ' ');
|
||||
while(cursor - n++ > 0 && text[cursor - n] != ' ');
|
||||
insert(NULL, 1-n);
|
||||
while(cursor > 0 && text[nextrune(-1)] == ' ')
|
||||
insert(NULL, nextrune(-1) - cursor);
|
||||
while(cursor > 0 && text[nextrune(-1)] != ' ')
|
||||
insert(NULL, nextrune(-1) - cursor);
|
||||
break;
|
||||
case XK_y: /* paste selection */
|
||||
XConvertSelection(dc->dpy, XA_PRIMARY, utf8, clip, win, CurrentTime);
|
||||
XConvertSelection(dc->dpy, XA_PRIMARY, utf8, utf8, win, CurrentTime);
|
||||
return;
|
||||
}
|
||||
}
|
||||
switch(ksym) {
|
||||
default:
|
||||
if(isprint(*buf))
|
||||
insert(buf, MIN(strlen(buf), sizeof text - cursor));
|
||||
break;
|
||||
case XK_BackSpace:
|
||||
if(cursor == 0)
|
||||
return;
|
||||
for(n = 1; cursor - n > 0 && !UTF8_CODEPOINT(text[cursor - n]); n++);
|
||||
insert(NULL, -n);
|
||||
insert(buf, strlen(buf));
|
||||
break;
|
||||
case XK_Delete:
|
||||
if(cursor == len)
|
||||
return;
|
||||
for(n = 1; cursor + n < len && !UTF8_CODEPOINT(text[cursor + n]); n++);
|
||||
cursor += n;
|
||||
insert(NULL, -n);
|
||||
cursor = nextrune(+1);
|
||||
case XK_BackSpace:
|
||||
if(cursor > 0)
|
||||
insert(NULL, nextrune(-1) - cursor);
|
||||
break;
|
||||
case XK_End:
|
||||
if(cursor < len) {
|
||||
|
|
@ -274,15 +268,13 @@ keypress(XKeyEvent *ev) {
|
|||
break;
|
||||
case XK_Left:
|
||||
if(cursor > 0 && (!sel || !sel->left || lines > 0)) {
|
||||
while(cursor-- > 0 && !UTF8_CODEPOINT(text[cursor]));
|
||||
cursor = nextrune(-1);
|
||||
break;
|
||||
}
|
||||
else if(lines > 0)
|
||||
return;
|
||||
case XK_Up:
|
||||
if(!sel || !sel->left)
|
||||
return;
|
||||
if((sel = sel->left)->right == curr) {
|
||||
if(sel && sel->left && (sel = sel->left)->right == curr) {
|
||||
curr = prev;
|
||||
calcoffsets();
|
||||
}
|
||||
|
|
@ -306,15 +298,13 @@ keypress(XKeyEvent *ev) {
|
|||
exit(EXIT_SUCCESS);
|
||||
case XK_Right:
|
||||
if(cursor < len) {
|
||||
while(cursor++ < len && !UTF8_CODEPOINT(text[cursor]));
|
||||
cursor = nextrune(+1);
|
||||
break;
|
||||
}
|
||||
else if(lines > 0)
|
||||
return;
|
||||
case XK_Down:
|
||||
if(!sel || !sel->right)
|
||||
return;
|
||||
if((sel = sel->right) == next) {
|
||||
if(sel && sel->right && (sel = sel->right) == next) {
|
||||
curr = next;
|
||||
calcoffsets();
|
||||
}
|
||||
|
|
@ -370,14 +360,23 @@ match(void) {
|
|||
calcoffsets();
|
||||
}
|
||||
|
||||
size_t
|
||||
nextrune(int incr) {
|
||||
size_t n, len;
|
||||
|
||||
len = strlen(text);
|
||||
for(n = cursor + incr; n >= 0 && n < len && (text[n] & 0xc0) == 0x80; n += incr);
|
||||
return n;
|
||||
}
|
||||
|
||||
void
|
||||
paste(Atom atom) {
|
||||
paste(void) {
|
||||
char *p, *q;
|
||||
int di;
|
||||
unsigned long dl;
|
||||
Atom da;
|
||||
|
||||
XGetWindowProperty(dc->dpy, win, atom, 0, sizeof text - cursor, False,
|
||||
XGetWindowProperty(dc->dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
|
||||
utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
|
||||
insert(p, (q = strchr(p, '\n')) ? q-p : strlen(p));
|
||||
XFree(p);
|
||||
|
|
@ -396,8 +395,8 @@ readstdin(void) {
|
|||
eprintf("cannot malloc %u bytes\n", sizeof *item);
|
||||
if(!(item->text = strdup(buf)))
|
||||
eprintf("cannot strdup %u bytes\n", strlen(buf)+1);
|
||||
inputw = MAX(inputw, textw(dc, item->text));
|
||||
item->next = item->left = item->right = NULL;
|
||||
inputw = MAX(inputw, textw(dc, item->text));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -415,8 +414,8 @@ run(void) {
|
|||
keypress(&ev.xkey);
|
||||
break;
|
||||
case SelectionNotify:
|
||||
if(ev.xselection.property != None)
|
||||
paste(ev.xselection.property);
|
||||
if(ev.xselection.property == utf8)
|
||||
paste();
|
||||
break;
|
||||
case VisibilityNotify:
|
||||
if(ev.xvisibility.state != VisibilityUnobscured)
|
||||
|
|
@ -437,7 +436,6 @@ setup(void) {
|
|||
screen = DefaultScreen(dc->dpy);
|
||||
root = RootWindow(dc->dpy, screen);
|
||||
utf8 = XInternAtom(dc->dpy, "UTF8_STRING", False);
|
||||
clip = XInternAtom(dc->dpy, "_DMENU_STRING", False);
|
||||
|
||||
normcol[ColBG] = getcolor(dc, normbgcolor);
|
||||
normcol[ColFG] = getcolor(dc, normfgcolor);
|
||||
|
|
|
|||
Loading…
Reference in a new issue