allow fitering spot menus

event.c

@@ -131,11 +131,10 @@ void key_press(XEvent *ev)
 	unsigned int state = e->state & ~(LockMask|NumlockMask);
 	while (XCheckTypedEvent(display, KeyPress, ev));
 
-	int i, j; Monitor *m;
+	if (menu && menu->mb && menu->mb->window == e->window)
-	for_monitors(i, m) for_spots(j) if (menu && menu->mb && menu->mb->window == e->window)
 	{
 		int rc = menubox_keypress(menu->mb, ev);
-		menubox_draw(menu->mb);
+		menu_update();
 
 		if (rc == -2)
 			menu_close();

menu.c

@@ -29,7 +29,6 @@ void menu_update()
 	if (menu->mb)
 	{
 		menubox_draw(menu->mb);
-		menubox_show(menu->mb);
 	}
 }
 
@@ -55,12 +54,17 @@ void menu_select()
 	if (menu->mb)
 	{
 		id = menubox_get_id(menu->mb);
-		if ((c = window_build_client(menu->items[id].window)) && c)
+		if (id >= 0 && (c = window_build_client(menu->items[id].window)) && c)
 		{
 			if (c->manage)
 				client_activate(c);
 			client_free(c);
 		}
+		else
+		if (strlen(menu->mb->input->text))
+		{
+			exec_cmd(menu->mb->input->text);
+		}
 		menu_close();
 	}
 }
@@ -116,7 +120,7 @@ void menu_create(int spot, int mon)
 	menubox_moveresize(mb, x, y, w, h);
 
 	menubox_key_down(mb);
-	menubox_draw(mb);
 	menubox_show(mb);
+	menubox_draw(mb);
 	menubox_grab(mb);
 }

menubox.c

@@ -26,7 +26,6 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #define MB_AUTOHEIGHT 1<<0
 #define MB_AUTOWIDTH 1<<1
-#define MB_SELECTABLE 1<<2
 #define MB_MINWIDTH 1<<3
 
 typedef struct {
@@ -37,8 +36,8 @@ typedef struct {
 	unsigned int box_count, box_active;
 	Textbox **boxes;
 	int *ids;
-	XIM xim;
+	int *show;
-	XIC xic;
+	Textbox *input;
 } Menubox;
 
 void menubox_moveresize(Menubox*, short, short, short, short);
@@ -49,6 +48,7 @@ Menubox* menubox_create(Window parent, unsigned long flags, short x, short y, sh
 	Menubox *mb = calloc(1, sizeof(Menubox));
 	mb->boxes = (Textbox**) calloc(1, sizeof(Textbox));
 	mb->ids = (int*) calloc(1, sizeof(int));
+	mb->show = (int*) calloc(1, sizeof(int));
 
 	mb->flags = flags;
 	mb->parent = parent;
@@ -68,18 +68,12 @@ Menubox* menubox_create(Window parent, unsigned long flags, short x, short y, sh
 	mb->window = XCreateSimpleWindow(display, mb->parent, mb->x, mb->y, mb->w, mb->h, 0, None, cp);
 
 	// calc line height
-	Textbox *lb = textbox_create(mb->window, TB_AUTOHEIGHT, 0, 0, 0, 0, mb->font, mb->fg_blur, mb->bg_blur, "a", NULL);
+	mb->input = textbox_create(mb->window, TB_AUTOHEIGHT|TB_EDITABLE, mb->padding, mb->padding, mb->w, 0, mb->font, mb->fg_blur, mb->bg_blur, "", "> ");
-	mb->line_height = lb->h; textbox_free(lb);
+	mb->line_height = mb->input->h;
 
 	// auto height/width modes get handled here
 	menubox_moveresize(mb, mb->x, mb->y, mb->w, mb->h);
 
-	if (MB_SELECTABLE)
-	{
-		mb->xim = XOpenIM(display, NULL, NULL, NULL);
-		mb->xic = XCreateIC(mb->xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, mb->window, XNFocusWindow, mb->window, NULL);
-	}
-
 	return mb;
 }
 
@@ -88,7 +82,7 @@ void menubox_moveresize(Menubox *mb, short x, short y, short w, short h)
 	int ow = w;
 
 	if (mb->flags & MB_AUTOHEIGHT)
-		h = mb->box_count * mb->line_height + (mb->padding*2);
+		h = (mb->box_count+1) * mb->line_height + (mb->padding*2);
 
 	if (mb->flags & MB_AUTOWIDTH)
 	{
@@ -115,9 +109,14 @@ void menubox_add(Menubox *mb, int id, char *text)
 
 	mb->boxes = (Textbox**) realloc(mb->boxes, sizeof(Textbox) * mb->box_count);
 	mb->ids   = (int*)      realloc(mb->ids,   sizeof(int)     * mb->box_count);
+	mb->show  = (int*)      realloc(mb->show,  sizeof(int)     * mb->box_count);
+	
+	mb->boxes[slot] = textbox_create(mb->window, TB_AUTOHEIGHT|TB_AUTOWIDTH,
+		mb->padding, mb->line_height*(slot+1)+mb->padding, mb->w-(mb->padding*2), 0,
+		mb->font, mb->fg_blur, mb->bg_blur, text, NULL);
 
-	mb->boxes[slot] = textbox_create(mb->window, TB_AUTOHEIGHT|TB_AUTOWIDTH, mb->padding, mb->line_height*slot+mb->padding, mb->w-(mb->padding*2), 0, mb->font, mb->fg_blur, mb->bg_blur, text, NULL);
 	mb->ids[slot]   = id;
+	mb->show[slot]  = 1;
 	
 	if (mb->flags & (MB_AUTOWIDTH|MB_AUTOHEIGHT))
 		menubox_moveresize(mb, mb->x, mb->y, mb->w, mb->h);
@@ -125,7 +124,7 @@ void menubox_add(Menubox *mb, int id, char *text)
 
 int menubox_get_id(Menubox *mb)
 {
-	return mb->ids[mb->box_active];
+	return mb->show[mb->box_active] ? mb->ids[mb->box_active]: -1;
 }
 
 void menubox_grab(Menubox *mb)
@@ -140,17 +139,29 @@ void menubox_grab(Menubox *mb)
 
 void menubox_draw(Menubox *mb)
 {
-	for (uint i = 0; i < mb->box_count; i++)
+	textbox_draw(mb->input);
+	int filter = strlen(mb->input->text) > 0;
+
+	for (uint i = 0, n = 0; i < mb->box_count; i++)
+	{
+		if (!filter || mb->show[i])
 		{
 			textbox_font(mb->boxes[i], mb->font, mb->box_active == i ? mb->fg_focus: mb->fg_blur, mb->box_active == i ? mb->bg_focus: mb->bg_blur);
+			textbox_moveresize(mb->boxes[i], mb->padding, mb->line_height*(n+1)+mb->padding, mb->w-(mb->padding*2), 0);
+			textbox_show(mb->boxes[i]);	
 			textbox_draw(mb->boxes[i]);
+			n++;
+		}
+		else
+		{
+			textbox_hide(mb->boxes[i]);
+		}
 	}
 }
 
 void menubox_show(Menubox *mb)
 {
-	for (uint i = 0; i < mb->box_count; i++)
+	textbox_show(mb->input);
-		textbox_show(mb->boxes[i]);	
 	XMapWindow(display, mb->window);
 }
 
@@ -165,17 +176,36 @@ void menubox_free(Menubox *mb)
 		textbox_free(mb->boxes[i]);
 	free(mb->boxes);
 	free(mb->ids);
-
+	free(mb->show);
-	if (mb->flags & MB_SELECTABLE)
+	textbox_free(mb->input);
-	{
-		XDestroyIC(mb->xic);
-		XCloseIM(mb->xim);
-	}
-
 	XDestroyWindow(display, mb->window);
 	free(mb);
 }
 
+void menubox_filter(Menubox *mb)
+{
+	int filter = strlen(mb->input->text) > 0;
+	char *pattern = strdup(mb->input->text);
+	for (char *p = pattern; *p; *p = tolower(*p), p++);
+
+	for (int i = 0; i < mb->box_count; i++)
+	{
+		char *subject = strdup(mb->boxes[i]->text);
+		for (char *p = subject; *p; *p = tolower(*p), p++);
+		mb->show[i] = (!filter || regex_match(pattern, subject));
+		free(subject);
+	}
+	free(pattern);
+
+	// active entry maybe filtered. step backward
+	while (!mb->show[mb->box_active] && mb->box_active > 0)
+		mb->box_active--;
+
+	// active entry maybe filtered. step forward
+	while (!mb->show[mb->box_active] && mb->box_active < mb->box_count-1)
+		mb->box_active++;
+}
+
 void menubox_key_up(Menubox *mb)
 {
 	if (mb->box_active > 0) mb->box_active--;
@@ -186,16 +216,6 @@ void menubox_key_down(Menubox *mb)
 	if (mb->box_active < mb->box_count-1) mb->box_active++;
 }
 
-void menubox_key_home(Menubox *mb)
-{
-	mb->box_active = 0;
-}
-
-void menubox_key_end(Menubox *mb)
-{
-	mb->box_active = mb->box_count-1;
-}
-
 // handle a keypress in edit mode
 // 0 = unhandled
 // 1 = handled
@@ -205,17 +225,20 @@ int menubox_keypress(Menubox *mb, XEvent *ev)
 {
 	KeySym key; Status stat; char pad[32];
 
-	int len = XmbLookupString(mb->xic, &ev->xkey, pad, sizeof(pad), &key, &stat);
+	int len = XmbLookupString(mb->input->xic, &ev->xkey, pad, sizeof(pad), &key, &stat);
 	pad[len] = 0;
 
+	int rc = 0;
+
 	switch (key)
 	{
-		case XK_Up     : menubox_key_up(mb);   return 1;
+		case XK_Up     : { menubox_key_up(mb);   rc = 1; break; }
-		case XK_Down   : menubox_key_down(mb); return 1;
+		case XK_Down   : { menubox_key_down(mb); rc = 1; break; }
-		case XK_Home   : menubox_key_home(mb); return 1;
+		case XK_Escape : { rc = -2; break; }
-		case XK_End    : menubox_key_end(mb);  return 1;
+		case XK_Return : { rc = -1; break; }
-		case XK_Escape : return -2;
+		default: rc = textbox_keypress(mb->input, ev);
-		case XK_Return : return -1;
 	}
-	return 0;
+
+	menubox_filter(mb);
+	return rc;
 }

textbox.c

@@ -95,9 +95,10 @@ void textbox_font(Textbox *tb, char *font, char *fg, char *bg)
 void textbox_extents(Textbox *tb)
 {
 	int length = strlen(tb->text) + strlen(tb->prompt);
-	char line[length + 1];
+	char *line = calloc(length + 1, sizeof(char));
 	sprintf(line, "%s%s", tb->prompt, tb->text);
 	XftTextExtents8(display, tb->font, (unsigned char*)line, length, &tb->extents);
+	free(line);
 }
 
 // set the default text to display
@@ -162,7 +163,6 @@ void textbox_free(Textbox *tb)
 
 void textbox_draw(Textbox *tb)
 {
-	int i;
 	XGlyphInfo extents;
 
 	GC context    = XCreateGC(display, tb->window, 0, 0);
@@ -174,7 +174,8 @@ void textbox_draw(Textbox *tb)
 
 	char *line  = tb->text,
 		*text   = tb->text ? tb->text: "",
-		*prompt = tb->prompt ? tb->prompt: "";
+		*prompt = tb->prompt ? tb->prompt: "",
+		*eline  = NULL;
 
 	int text_len    = strlen(text);
 	int length      = text_len;
@@ -190,17 +191,17 @@ void textbox_draw(Textbox *tb)
 		length = text_len + prompt_len;
 		cursor_offset = MIN(tb->cursor + prompt_len, length);
 
-		char eline[length + 10]; line = eline;
+		eline = calloc(length+10, sizeof(char)); line = eline;
 		sprintf(line, "%s%s", prompt, text);
 
-		// replace spaces so XftTextExtents8 includes their width
+		// replace trailing space so XftTextExtents8 includes its width
-		for (i = 0; i < length; i++) if (isspace(line[i])) line[i] = '_';
+		if (length > 0 && isspace(line[length-1])) line[length-1] = '.';
 
 		// calc cursor position
 		XftTextExtents8(display, tb->font, (unsigned char*)line, cursor_offset, &extents);
 		cursor_x = extents.width;
 
-		// restore correct text string with spaces
+		// restore correct text string
 		sprintf(line, "%s%s", prompt, text);
 	}
 
@@ -225,6 +226,8 @@ void textbox_draw(Textbox *tb)
 	XFreeGC(display, context);
 	XftDrawDestroy(draw);
 	XFreePixmap(display, canvas);
+
+	free(eline);
 }
 
 // cursor handling for edit mode

xoat.c

@@ -52,10 +52,10 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 Display *display;
 
+#include "regex.c"
 #include "atom.c"
 #include "textbox.c"
 #include "menubox.c"
-#include "regex.c"
 
 #define STACK 64
 #define MONITORS 3