perf ui: Complete the breakdown of util/newt.c
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/ui/util.c b/tools/perf/util/ui/util.c
new file mode 100644
index 0000000..04600e2
--- /dev/null
+++ b/tools/perf/util/ui/util.c
@@ -0,0 +1,114 @@
+#include <newt.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <sys/ttydefaults.h>
+
+#include "../cache.h"
+#include "../debug.h"
+#include "browser.h"
+#include "helpline.h"
+#include "util.h"
+
+newtComponent newt_form__new(void);
+
+static void newt_form__set_exit_keys(newtComponent self)
+{
+ newtFormAddHotKey(self, NEWT_KEY_LEFT);
+ newtFormAddHotKey(self, NEWT_KEY_ESCAPE);
+ newtFormAddHotKey(self, 'Q');
+ newtFormAddHotKey(self, 'q');
+ newtFormAddHotKey(self, CTRL('c'));
+}
+
+newtComponent newt_form__new(void)
+{
+ newtComponent self = newtForm(NULL, NULL, 0);
+ if (self)
+ newt_form__set_exit_keys(self);
+ return self;
+}
+
+int ui__popup_menu(int argc, char * const argv[])
+{
+ struct newtExitStruct es;
+ int i, rc = -1, max_len = 5;
+ newtComponent listbox, form = newt_form__new();
+
+ if (form == NULL)
+ return -1;
+
+ listbox = newtListbox(0, 0, argc, NEWT_FLAG_RETURNEXIT);
+ if (listbox == NULL)
+ goto out_destroy_form;
+
+ newtFormAddComponent(form, listbox);
+
+ for (i = 0; i < argc; ++i) {
+ int len = strlen(argv[i]);
+ if (len > max_len)
+ max_len = len;
+ if (newtListboxAddEntry(listbox, argv[i], (void *)(long)i))
+ goto out_destroy_form;
+ }
+
+ newtCenteredWindow(max_len, argc, NULL);
+ newtFormRun(form, &es);
+ rc = newtListboxGetCurrent(listbox) - NULL;
+ if (es.reason == NEWT_EXIT_HOTKEY)
+ rc = -1;
+ newtPopWindow();
+out_destroy_form:
+ newtFormDestroy(form);
+ return rc;
+}
+
+int ui__help_window(const char *text)
+{
+ struct newtExitStruct es;
+ newtComponent tb, form = newt_form__new();
+ int rc = -1;
+ int max_len = 0, nr_lines = 0;
+ const char *t;
+
+ if (form == NULL)
+ return -1;
+
+ t = text;
+ while (1) {
+ const char *sep = strchr(t, '\n');
+ int len;
+
+ if (sep == NULL)
+ sep = strchr(t, '\0');
+ len = sep - t;
+ if (max_len < len)
+ max_len = len;
+ ++nr_lines;
+ if (*sep == '\0')
+ break;
+ t = sep + 1;
+ }
+
+ tb = newtTextbox(0, 0, max_len, nr_lines, 0);
+ if (tb == NULL)
+ goto out_destroy_form;
+
+ newtTextboxSetText(tb, text);
+ newtFormAddComponent(form, tb);
+ newtCenteredWindow(max_len, nr_lines, NULL);
+ newtFormRun(form, &es);
+ newtPopWindow();
+ rc = 0;
+out_destroy_form:
+ newtFormDestroy(form);
+ return rc;
+}
+
+bool ui__dialog_yesno(const char *msg)
+{
+ /* newtWinChoice should really be accepting const char pointers... */
+ char yes[] = "Yes", no[] = "No";
+ return newtWinChoice(NULL, yes, no, (char *)msg) == 1;
+}