Fix a small bug in 2-3-4 tree enumeration

[sgt/putty] / window.c

diff --git a/window.c b/window.c
index e966b43..91b4dc5 100644 (file)
--- a/window.c
+++ b/window.c
@@ -153,6 +153,33 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
                tolower(p[1]) == 'o' &&
                tolower(p[2]) == 'g') {
                 logfile = "putty.log";
+           } else if (q == p + 7 &&
+               tolower(p[0]) == 'c' &&
+               tolower(p[1]) == 'l' &&
+               tolower(p[2]) == 'e' &&
+               tolower(p[3]) == 'a' &&
+               tolower(p[4]) == 'n' &&
+               tolower(p[5]) == 'u' &&
+               tolower(p[6]) == 'p') {
+                /*
+                 * `putty -cleanup'. Remove all registry entries
+                 * associated with PuTTY, and also find and delete
+                 * the random seed file.
+                 */
+                if (MessageBox(NULL,
+                               "This procedure will remove ALL Registry\n"
+                               "entries associated with PuTTY, and will\n"
+                               "also remove the PuTTY random seed file.\n"
+                               "\n"
+                               "THIS PROCESS WILL DESTROY YOUR SAVED\n"
+                               "SESSIONS. Are you really sure you want\n"
+                               "to continue?",
+                               "PuTTY Warning",
+                               MB_YESNO | MB_ICONWARNING) == IDYES) {
+                    random_destroy_seed();
+                    registry_cleanup();
+                }
+                exit(0);
            }
            p = q + strspn(q, " \t");
        }
@@ -1242,11 +1269,13 @@ static LRESULT CALLBACK WndProc (HWND hwnd, UINT message,
        return 0;
       case WM_SETFOCUS:
        has_focus = TRUE;
+        CreateCaret(hwnd, NULL, font_width, font_height);
        term_out();
        term_update();
        break;
       case WM_KILLFOCUS:
        has_focus = FALSE;
+        DestroyCaret();
        term_out();
        term_update();
        break;
@@ -1421,6 +1450,16 @@ static LRESULT CALLBACK WndProc (HWND hwnd, UINT message,
 }
 
 /*
+ * Move the system caret. (We maintain one, even though it's
+ * invisible, for the benefit of blind people: apparently some
+ * helper software tracks the system caret, so we should arrange to
+ * have one.)
+ */
+void sys_cursor(int x, int y) {
+    SetCaretPos(x * font_width, y * font_height);
+}
+
+/*
  * Draw a line of text in the window, at given character
  * coordinates, in given attributes.
  *