add keybinds for setting line/columns

keybinds.h

@@ -66,6 +66,10 @@ static Key keys[] = {
 	{ 0,       0,                            XK_j,         move,            {.i = 2  } },
 	{ 0,       0,                            XK_h,         move,            {.i = 3  } },
 	{ 0,       0,                            XK_l,         move,            {.i = 4  } },
+	{ 0,       CONTROL,                      XK_k,         setlines,        {.i = +1 } },
+	{ 0,       CONTROL,                      XK_j,         setlines,        {.i = -1 } },
+	{ 0,       CONTROL,                      XK_h,         setcolumns,      {.i = +1 } },
+	{ 0,       CONTROL,                      XK_l,         setcolumns,      {.i = -1 } },
     { 0,       CONTROL,                      XK_k,         restoresel,      {0} },
     { 0,       CONTROL,                      XK_h,         viewhist,        {0} },
     { 0,       CONTROL,                      XK_u,         clear,           {0} },

libs/arg.c

@@ -396,3 +396,25 @@ defaultimg(const Arg *arg)
     drawmenu();
     #endif
 }
+
+void
+setlines(const Arg *arg)
+{
+    lines += arg->i;
+    if (lines < 0) lines = 0;
+
+    match();
+    resizeclient();
+    drawmenu();
+}
+
+void
+setcolumns(const Arg *arg)
+{
+    columns += arg->i;
+    if (columns < 0) columns = 0;
+
+    match();
+    resizeclient();
+    drawmenu();
+}

libs/arg.h

@@ -29,3 +29,5 @@ static void rotateimg(const Arg *arg);
 static void flipimg(const Arg *arg);
 static void setimgpos(const Arg *arg);
 static void setimggaps(const Arg *arg);
+static void setlines(const Arg *arg);
+static void setcolumns(const Arg *arg);

libs/client.c

@@ -42,3 +42,24 @@ set_prop(void)
 
     return;
 }
+
+void
+resizeclient(void)
+{
+    int omh = mh;
+
+	bh = drw->font->h + 2 + reqlineheight;
+	lines = MAX(lines, 0);
+
+    #if USEIMAGE
+    if (image)
+        resizetoimageheight(imageheight);
+    #endif
+
+    mh = (lines + 1) * bh;
+
+    if (!win || omh == mh) return;
+
+    XResizeWindow(dpy, win, mw, mh);
+    drw_resize(drw, mw, mh);
+}

libs/client.h

@@ -2,3 +2,4 @@ static void create_window(int x, int y, int w, int h);
 static void prepare_window_size(void);
 static void set_window(void);
 static void set_prop(void);
+static void resizeclient(void);

libs/draw.c

@@ -235,13 +235,15 @@ drawmenu(void)
         }
         #endif
 
-		for (item = curr; item != next; item = item->right, i++)
+		for (item = curr; item != next; item = item->right, i++) {
 			drawitem(
 				item,
 				x + ((i / lines) *  ((mw - x) / columns)) - xpad,
 				y + (((i % lines) + 1) * bh),
 				(mw - x) / columns
 			);
+        }
+
 	} else if (matches) {
 		/* draw horizontal list */
 		x += inputw;

libs/match.c

@@ -130,6 +130,7 @@ match(void)
 				appenditem(item, &lsubstr, &substrend);
 		}
 	}
+
     if (lhpprefix) {
 		if (matches) {
 			matchend->right = lhpprefix;

spmenu.c

@@ -199,7 +199,6 @@ static void calcoffsets(void);
 static void readstdin(void);
 static void recalculatenumbers(void);
 static void usage(void);
-static void match(void);
 static void movewordedge(int dir);
 static void insert(const char *str, ssize_t n);
 static void cleanup(void);
@@ -225,8 +224,6 @@ static char *(*fstrstr)(const char *, const char *) = cistrstr;
 #include "libs/img.c"
 #include "libs/rtl.h"
 #include "libs/rtl.c"
-#include "libs/match.h"
-#include "libs/match.c"
 #include "libs/event.h"
 #include "libs/event.c"
 #include "libs/key.c"
@@ -234,13 +231,15 @@ static char *(*fstrstr)(const char *, const char *) = cistrstr;
 #include "libs/sort.c"
 #include "libs/draw.c"
 #include "libs/schemes.c"
-#include "libs/arg.c"
 #include "libs/argv.h"
 #include "libs/argv.c"
 #include "libs/xrdb.c"
 #include "libs/mode.c"
 #include "libs/client.h"
 #include "libs/client.c"
+#include "libs/match.h"
+#include "libs/match.c"
+#include "libs/arg.c"
 
 void
 appenditem(struct item *item, struct item **list, struct item **last)
@@ -683,7 +682,7 @@ setup(void)
         reqlineheight = clineheight;
     }
 
-	/* calculate menu geometry */
+    // resize client
     bh = drw->font->h + 2 + reqlineheight;
 	lines = MAX(lines, 0);
     reallines = lines;