diff options
Diffstat (limited to 'dmenu.c')
| -rw-r--r-- | dmenu.c | 72 |
1 files changed, 35 insertions, 37 deletions
@@ -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); |