Basic working bemenu with curses backend

1 files changed, 92 insertions, 3 deletions

diff --git a/client/client.c b/client/client.c
index 559651f..1c30498 100644
--- a/client/client.c
+++ b/client/client.c
@@ -6,8 +6,83 @@
  */
 
 #include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stddef.h>
+#include <assert.h>
 #include <bemenu.h>
 
+static ptrdiff_t getLine(char **outLine, size_t *outAllocated, FILE *stream)
+{
+    size_t len = 0, allocated;
+    char *s, *buffer;
+
+    assert(outLine != NULL);
+    assert(outAllocated != NULL);
+
+    if (stream == NULL || feof(stream) || ferror(stream))
+        return -1;
+
+    allocated = *outAllocated;
+    buffer = *outLine;
+
+    if (buffer == NULL || allocated == 0) {
+        if (!(buffer = calloc(1, (allocated = 1024) + 1)))
+            return -1;
+    }
+
+    for (s = buffer;;) {
+        if (fgets(s, allocated - (s - buffer), stream) == NULL)
+            return -1;
+
+        len = strlen(s);
+        if (feof(stream))
+            break;
+
+        if (len > 0 && s[len - 1] == '\n')
+            break;
+
+        if (len + 1 >= allocated - (s - buffer)) {
+            void *tmp = realloc(buffer, 2 * allocated);
+            if (!tmp)
+                break;
+
+            buffer = tmp;
+            s = buffer + allocated - 1;
+            memset(s, 0, allocated - (s - buffer));
+            allocated *= 2;
+        } else {
+            s += len;
+        }
+    }
+
+    *outAllocated = allocated;
+    *outLine = buffer;
+
+    if (s[len - 1] == '\n')
+        s[len - 1] = 0;
+
+    return s - buffer + len;
+}
+
+static void readItemsToMenuFromStdin(bmMenu *menu)
+{
+    ptrdiff_t len;
+    size_t size;
+    char *line = NULL;
+
+    while ((len = getLine(&line, &size, stdin)) != -1) {
+        bmItem *item = bmItemNew((len > 0 ? line : NULL));
+        if (!item)
+            break;
+
+        bmMenuAddItem(menu, item);
+    }
+
+    if (line)
+        free(line);
+}
+
 /**
  * Main method
  *
@@ -21,16 +96,30 @@ int main(int argc, char **argv)
 {
     (void)argc, (void)argv;
 
-    bmMenu *menu = bmMenuNew(BM_DRAW_MODE_NONE);
+    bmMenu *menu = bmMenuNew(BM_DRAW_MODE_CURSES);
 
     if (!menu)
         return EXIT_FAILURE;
 
-    bmMenuRender(menu);
+    bmMenuSetTitle(menu, "bemenu");
+    readItemsToMenuFromStdin(menu);
+
+    bmKey key;
+    unsigned int unicode;
+    int status = 0;
+    do {
+        bmMenuRender(menu);
+        key = bmMenuGetKey(menu, &unicode);
+    } while ((status = bmMenuRunWithKey(menu, key, unicode)) == BM_RUN_RESULT_RUNNING);
+
+    if (status == BM_RUN_RESULT_SELECTED) {
+        bmItem *item = bmMenuGetSelectedItem(menu);
+        printf("%s\n", bmItemGetText(item));
+    }
 
     bmMenuFree(menu);
 
-    return EXIT_SUCCESS;
+    return (status == BM_RUN_RESULT_SELECTED ? EXIT_SUCCESS : EXIT_FAILURE);
 }
 
 /* vim: set ts=8 sw=4 tw=0 :*/