refresh pam credentials on successful authentication

[i3/i3lock] / unlock_indicator.c

diff --git a/unlock_indicator.c b/unlock_indicator.c
index ac7db09dbfaf55f68f8482221cdd24c886a59748..f1cdfb481f46405f6f2e05e01603eb7ab24051ce 100644 (file)
--- a/unlock_indicator.c
+++ b/unlock_indicator.c
@@ -52,6 +52,11 @@ extern bool tile;
 /* The background color to use (in hex). */
 extern char color[7];
 
+/* Whether the failed attempts should be displayed. */
+extern bool show_failed_attempts;
+/* Number of failed unlock attempts. */
+extern int failed_attempts;
+
 /*******************************************************************************
  * Variables defined in xcb.c.
  ******************************************************************************/
@@ -146,10 +151,10 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
          * (currently verifying, wrong password, or default) */
         switch (pam_state) {
             case STATE_PAM_VERIFY:
-                cairo_set_source_rgba(ctx, 0, 114.0/255, 255.0/255, 0.75);
+                cairo_set_source_rgba(ctx, 0, 114.0 / 255, 255.0 / 255, 0.75);
                 break;
             case STATE_PAM_WRONG:
-                cairo_set_source_rgba(ctx, 250.0/255, 0, 0, 0.75);
+                cairo_set_source_rgba(ctx, 250.0 / 255, 0, 0, 0.75);
                 break;
             default:
                 cairo_set_source_rgba(ctx, 0, 0, 0, 0.75);
@@ -159,13 +164,13 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
 
         switch (pam_state) {
             case STATE_PAM_VERIFY:
-                cairo_set_source_rgb(ctx, 51.0/255, 0, 250.0/255);
+                cairo_set_source_rgb(ctx, 51.0 / 255, 0, 250.0 / 255);
                 break;
             case STATE_PAM_WRONG:
-                cairo_set_source_rgb(ctx, 125.0/255, 51.0/255, 0);
+                cairo_set_source_rgb(ctx, 125.0 / 255, 51.0 / 255, 0);
                 break;
             case STATE_PAM_IDLE:
-                cairo_set_source_rgb(ctx, 51.0/255, 125.0/255, 0);
+                cairo_set_source_rgb(ctx, 51.0 / 255, 125.0 / 255, 0);
                 break;
         }
         cairo_stroke(ctx);
@@ -185,6 +190,11 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
 
         /* Display a (centered) text of the current PAM state. */
         char *text = NULL;
+        /* We don't want to show more than a 3-digit number. */
+        char buf[4];
+
+        cairo_set_source_rgb(ctx, 0, 0, 0);
+        cairo_set_font_size(ctx, 28.0);
         switch (pam_state) {
             case STATE_PAM_VERIFY:
                 text = "verifying…";
@@ -193,6 +203,16 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
                 text = "wrong!";
                 break;
             default:
+                if (show_failed_attempts && failed_attempts > 0) {
+                    if (failed_attempts > 999) {
+                        text = "> 999";
+                    } else {
+                        snprintf(buf, sizeof(buf), "%d", failed_attempts);
+                        text = buf;
+                    }
+                    cairo_set_source_rgb(ctx, 1, 0, 0);
+                    cairo_set_font_size(ctx, 32.0);
+                }
                 break;
         }
 
@@ -200,9 +220,6 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
             cairo_text_extents_t extents;
             double x, y;
 
-            cairo_set_source_rgb(ctx, 0, 0, 0);
-            cairo_set_font_size(ctx, 28.0);
-
             cairo_text_extents(ctx, text, &extents);
             x = BUTTON_CENTER - ((extents.width / 2) + extents.x_bearing);
             y = BUTTON_CENTER - ((extents.height / 2) + extents.y_bearing);
@@ -227,10 +244,10 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
                       highlight_start + (M_PI / 3.0));
             if (unlock_state == STATE_KEY_ACTIVE) {
                 /* For normal keys, we use a lighter green. */
-                cairo_set_source_rgb(ctx, 51.0/255, 219.0/255, 0);
+                cairo_set_source_rgb(ctx, 51.0 / 255, 219.0 / 255, 0);
             } else {
                 /* For backspace, we use red. */
-                cairo_set_source_rgb(ctx, 219.0/255, 51.0/255, 0);
+                cairo_set_source_rgb(ctx, 219.0 / 255, 51.0 / 255, 0);
             }
             cairo_stroke(ctx);
 
@@ -287,7 +304,7 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
  */
 void redraw_screen(void) {
     xcb_pixmap_t bg_pixmap = draw_image(last_resolution);
-    xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[1]){ bg_pixmap });
+    xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[1]){bg_pixmap});
     /* XXX: Possible optimization: Only update the area in the middle of the
      * screen instead of the whole screen. */
     xcb_clear_area(conn, 0, win, 0, 0, last_resolution[0], last_resolution[1]);
@@ -303,6 +320,7 @@ void redraw_screen(void) {
 void clear_indicator(void) {
     if (input_position == 0) {
         unlock_state = STATE_STARTED;
-    } else unlock_state = STATE_KEY_PRESSED;
+    } else
+        unlock_state = STATE_KEY_PRESSED;
     redraw_screen();
 }