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authorConnor Lane Smith <cls@lubutu.com>2010-07-30 13:40:56 +0100
committerConnor Lane Smith <cls@lubutu.com>2010-07-30 13:40:56 +0100
commit7d5fe17391fefd978eab281a6cbebe2aa601e9ce (patch)
tree07d003a35241fb2c24e66fc30498c16ccdb39be2 /dmenu.c
parent7f36736d11418b0b11d02da8aa0cb663406706c2 (diff)
merged dmenu & dinput (clunky interface)
Diffstat (limited to 'dmenu.c')
-rw-r--r--dmenu.c251
1 files changed, 210 insertions, 41 deletions
diff --git a/dmenu.c b/dmenu.c
index 9386e06..1fdf7f5 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -8,7 +8,16 @@
#include <X11/keysym.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
-#include "dmenu.h"
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
+#include <draw.h>
+#include "config.h"
+
+#define INRECT(x,y,rx,ry,rw,rh) ((rx) < (x) && (x) < (rx)+(rw) && (ry) < (y) && (y) < (ry)+(rh))
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+#define IS_UTF8_1ST_CHAR(c) (((c) & 0xc0) == 0xc0 || ((c) & 0x80) == 0x00)
typedef struct Item Item;
struct Item {
@@ -17,30 +26,46 @@ struct Item {
Item *left, *right; /* traverses items matching current search pattern */
};
-/* forward declarations */
static void appenditem(Item *i, Item **list, Item **last);
static void calcoffsetsh(void);
static void calcoffsetsv(void);
static char *cistrstr(const char *s, const char *sub);
static void cleanup(void);
-static void dinput(void);
static void drawitem(const char *s, unsigned long col[ColLast]);
+static void drawmenu(void);
static void drawmenuh(void);
static void drawmenuv(void);
+static void grabkeyboard(void);
+static void keypress(XKeyEvent *e);
static void match(void);
static void readstdin(void);
+static void run(void);
+static void setup(void);
-/* variables */
static char **argp = NULL;
static char *maxname = NULL;
+static char *prompt;
+static char text[4096];
+static int promptw;
+static int screen;
+static size_t cur = 0;
static unsigned int cmdw = 0;
static unsigned int lines = 0;
+static unsigned int numlockmask;
+static unsigned int mw, mh;
+static unsigned long normcol[ColLast];
+static unsigned long selcol[ColLast];
+static Bool topbar = True;
+static DC dc;
+static Display *dpy;
static Item *allitems = NULL; /* first of all items */
static Item *item = NULL; /* first of pattern matching items */
static Item *sel = NULL;
static Item *next = NULL;
static Item *prev = NULL;
static Item *curr = NULL;
+static Window win, root;
+
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
static void (*calcoffsets)(void) = calcoffsetsh;
@@ -120,16 +145,18 @@ cleanup(void) {
}
void
-dinput(void) {
- cleanup();
- argp[0] = "dinput";
- argp[1] = text;
- execvp("dinput", argp);
- eprint("cannot exec dinput\n");
+drawitem(const char *s, unsigned long col[ColLast]) {
+ const char *p;
+ unsigned int w = textnw(&dc, text, strlen(text));
+
+ drawbox(&dc, col);
+ drawtext(&dc, s, col);
+ for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
+ drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
}
void
-drawbar(void) {
+drawmenu(void) {
dc.x = 0;
dc.y = 0;
dc.w = mw;
@@ -149,6 +176,7 @@ drawbar(void) {
if(cmdw && item && lines == 0)
dc.w = cmdw;
drawtext(&dc, text, normcol);
+ drawline(&dc, textnw(&dc, text, cur) + dc.h/2 - 2, 2, 1, dc.h-4, normcol);
if(lines > 0)
drawmenuv();
else if(curr)
@@ -157,17 +185,6 @@ drawbar(void) {
}
void
-drawitem(const char *s, unsigned long col[ColLast]) {
- const char *p;
- unsigned int w = textnw(&dc, text, strlen(text));
-
- drawbox(&dc, col);
- drawtext(&dc, s, col);
- for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
- drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
-}
-
-void
drawmenuh(void) {
Item *i;
@@ -202,7 +219,19 @@ drawmenuv(void) {
}
void
-kpress(XKeyEvent *e) {
+grabkeyboard(void) {
+ unsigned int n;
+
+ for(n = 0; n < 1000; n++) {
+ if(!XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
+ return;
+ usleep(1000);
+ }
+ exit(EXIT_FAILURE);
+}
+
+void
+keypress(XKeyEvent *e) {
char buf[sizeof text];
int num;
unsigned int i, len;
@@ -248,6 +277,9 @@ kpress(XKeyEvent *e) {
case XK_m:
ksym = XK_Return;
break;
+ case XK_k:
+ text[cur] = '\0';
+ break;
case XK_n:
ksym = XK_Down;
break;
@@ -255,38 +287,67 @@ kpress(XKeyEvent *e) {
ksym = XK_Up;
break;
case XK_u:
- text[0] = '\0';
+ memmove(text, text + cur, sizeof text - cur + 1);
+ cur = 0;
match();
break;
case XK_w:
- if(len == 0)
+ if(cur == 0)
return;
- i = len;
+ i = cur;
while(i-- > 0 && text[i] == ' ');
while(i-- > 0 && text[i] != ' ');
- text[++i] = '\0';
+ memmove(text + i + 1, text + cur, sizeof text - cur + 1);
+ cur = i + 1;
match();
break;
+ case XK_y:
+ {
+ FILE *fp;
+ char *s;
+ if(!(fp = fopen("sselp", "r")))
+ eprint("cannot popen sselp\n");
+ s = fgets(buf, sizeof buf, fp);
+ fclose(fp);
+ if(!s)
+ return;
+ }
+ num = strlen(buf);
+ if(num && buf[num-1] == '\n')
+ buf[--num] = '\0';
+ break;
}
}
switch(ksym) {
default:
num = MIN(num, sizeof text);
if(num && !iscntrl((int) buf[0])) {
- memcpy(text + len, buf, num + 1);
- len += num;
+ memmove(text + cur + num, text + cur, sizeof text - cur - num);
+ memcpy(text + cur, buf, num);
+ cur += num;
match();
}
break;
case XK_BackSpace:
- if(len == 0)
+ if(cur == 0)
return;
- for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
- len -= i;
- text[len] = '\0';
+ for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[cur - i]); i++);
+ memmove(text + cur - i, text + cur, sizeof text - cur + i);
+ cur -= i;
+ match();
+ break;
+ case XK_Delete:
+ if(cur == len)
+ return;
+ for(i = 1; cur + i < len && !IS_UTF8_1ST_CHAR(text[cur + i]); i++);
+ memmove(text + cur, text + cur + i, sizeof text - cur);
match();
break;
case XK_End:
+ if(cur < len) {
+ cur = len;
+ break;
+ }
while(next) {
sel = curr = next;
calcoffsets();
@@ -297,10 +358,20 @@ kpress(XKeyEvent *e) {
case XK_Escape:
exit(EXIT_FAILURE);
case XK_Home:
+ if(sel == item) {
+ cur = 0;
+ break;
+ }
sel = curr = item;
calcoffsets();
break;
case XK_Left:
+ if(cur > 0 && (!sel || !sel->left || lines > 0)) {
+ while(cur-- > 0 && !IS_UTF8_1ST_CHAR(text[cur]));
+ break;
+ }
+ if(lines > 0)
+ return;
case XK_Up:
if(!sel || !sel->left)
return;
@@ -323,12 +394,16 @@ kpress(XKeyEvent *e) {
calcoffsets();
break;
case XK_Return:
- if(e->state & ShiftMask)
- dinput();
- fprintf(stdout, "%s", sel ? sel->text : text);
+ fprintf(stdout, "%s", ((e->state & ShiftMask) || sel) ? sel->text : text);
fflush(stdout);
exit(EXIT_SUCCESS);
case XK_Right:
+ if(cur < len) {
+ while(cur++ < len && !IS_UTF8_1ST_CHAR(text[cur]));
+ break;
+ }
+ if(lines > 0)
+ return;
case XK_Down:
if(!sel || !sel->right)
return;
@@ -339,12 +414,14 @@ kpress(XKeyEvent *e) {
}
break;
case XK_Tab:
- if(sel)
- strncpy(text, sel->text, sizeof text);
- dinput();
+ if(!sel)
+ return;
+ strncpy(text, sel->text, sizeof text);
+ cur = strlen(text);
+ match();
break;
}
- drawbar();
+ drawmenu();
}
void
@@ -413,6 +490,98 @@ readstdin(void) {
}
}
+void
+run(void) {
+ XEvent ev;
+
+ XSync(dpy, False);
+ while(!XNextEvent(dpy, &ev))
+ switch(ev.type) {
+ case Expose:
+ if(ev.xexpose.count == 0)
+ drawmenu();
+ break;
+ case KeyPress:
+ keypress(&ev.xkey);
+ break;
+ case VisibilityNotify:
+ if(ev.xvisibility.state != VisibilityUnobscured)
+ XRaiseWindow(dpy, win);
+ break;
+ }
+ exit(EXIT_FAILURE);
+}
+
+void
+setup(void) {
+ int i, j, x, y;
+#if XINERAMA
+ int n;
+ XineramaScreenInfo *info = NULL;
+#endif
+ XModifierKeymap *modmap;
+ XSetWindowAttributes wa;
+
+ /* init modifier map */
+ modmap = XGetModifierMapping(dpy);
+ for(i = 0; i < 8; i++)
+ for(j = 0; j < modmap->max_keypermod; j++) {
+ if(modmap->modifiermap[i * modmap->max_keypermod + j]
+ == XKeysymToKeycode(dpy, XK_Num_Lock))
+ numlockmask = (1 << i);
+ }
+ XFreeModifiermap(modmap);
+
+ dc.dpy = dpy;
+ normcol[ColBG] = getcolor(&dc, normbgcolor);
+ normcol[ColFG] = getcolor(&dc, normfgcolor);
+ selcol[ColBG] = getcolor(&dc, selbgcolor);
+ selcol[ColFG] = getcolor(&dc, selfgcolor);
+ initfont(&dc, font);
+
+ /* input window */
+ wa.override_redirect = True;
+ wa.background_pixmap = ParentRelative;
+ wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+
+ /* input window geometry */
+ mh = (dc.font.height + 2) * (lines + 1);
+#if XINERAMA
+ if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
+ i = 0;
+ if(n > 1) {
+ int di;
+ unsigned int dui;
+ Window dummy;
+ if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
+ for(i = 0; i < n; i++)
+ if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
+ break;
+ }
+ x = info[i].x_org;
+ y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
+ mw = info[i].width;
+ XFree(info);
+ }
+ else
+#endif
+ {
+ x = 0;
+ y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
+ mw = DisplayWidth(dpy, screen);
+ }
+
+ win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
+ DefaultDepth(dpy, screen), CopyFromParent,
+ DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+
+ setupdraw(&dc, win);
+ if(prompt)
+ promptw = MIN(textw(&dc, prompt), mw / 5);
+ XMapRaised(dpy, win);
+}
+
int
main(int argc, char *argv[]) {
unsigned int i;
@@ -472,7 +641,7 @@ main(int argc, char *argv[]) {
readstdin();
grabkeyboard();
- setup(lines);
+ setup();
if(maxname)
cmdw = MIN(textw(&dc, maxname), mw / 3);
match();