Improve draw_rounded_rect and fix progress bar

docs/dunst.5.pod

@@ -188,11 +188,25 @@ than half of the progress bar height.
 The corner radius of the progress bar in pixels. Gives the progress bar
 rounded corners. Set to 0 to disable.
 
+=item B<progress_bar_corners> (default: all)
+
+Define which corners to round when drawing the progress bar. If progress_bar_corner_radius
+is set to 0 this option will be ignored.
+
+See the B<corners> setting for the value format.
+
 =item B<icon_corner_radius> (default: 0)
 
 The corner radius of the icon image in pixels. Gives the icon
 rounded corners. Set to 0 to disable.
 
+=item B<icon_corners> (default: all)
+
+Define which corners to round when drawing the icon image. If icon_corner_radius
+is set to 0 this option will be ignored.
+
+See the B<corners> setting for the value format.
+
 =item B<indicate_hidden> (values: [true/false], default: true)
 
 If this is set to true, a notification indicating how many notifications are
@@ -420,8 +434,8 @@ replace this and will need new settings.
 
 =item B<icon_theme> (default: "Adwaita", example: "Adwaita, breeze")
 
-Comma-separated of names of the the themes to use for looking up icons. This has
-to be the name of the directory in which the theme is located, not the
+Comma-separated list of names of the the themes to use for looking up icons. This
+has to be the name of the directory in which the theme is located, not the
 human-friendly name of the theme. So for example, the theme B<Breeze Dark> is
 located in F</usr/share/icons/breeze-dark>. In this case you have to set the
 theme to B<breeze-dark>.
@@ -508,6 +522,14 @@ single notification.
 To avoid the corners clipping the icon or text the corner radius will be
 automatically lowered to half of the notification height if it exceeds it.
 
+=item B<corners> (default: all)
+
+Define which corners to round when drawing the window. If the corner radius
+is set to 0 this option will be ignored.
+
+Comma-separated list of the corners. The accepted corner values are bottom-right,
+bottom-left, top-right, top-left, top, bottom, left, right or all.
+
 =item B<mouse_left/middle/right_click> (values: [none/do_action/close_current/close_all/context/context_all])
 
 Defines action of mouse click. A touch input in Wayland acts as a mouse left

dunstrc

@@ -63,9 +63,17 @@
  # Corner radius for the progress bar. 0 disables rounded corners.
  progress_bar_corner_radius = 0
 
+ # Define which corners to round when drawing the progress bar. If progress_bar_corner_radius
+ # is set to 0 this option will be ignored.
+ progress_bar_corners = all
+
  # Corner radius for the icon image.
  icon_corner_radius = 0
 
+ # Define which corners to round when drawing the icon image. If icon_corner_radius
+ # is set to 0 this option will be ignored.
+ icon_corners = all
+
  # Show how many messages are currently hidden (because of
  # notification_limit).
  indicate_hidden = yes
@@ -252,6 +260,13 @@
  # notification height to avoid clipping text and/or icons.
  corner_radius = 0
 
+ # Define which corners to round when drawing the window. If the corner radius
+ # is set to 0 this option will be ignored.
+ #
+ # Comma-separated list of the corners. The accepted corner values are bottom-right,
+ # bottom-left, top-right, top-left, top, bottom, left, right or all.
+ corners = all
+
  # Ignore the dbus closeNotification message.
  # Useful to enforce the timeout set by dunst configuration. Without this
  # parameter, an application may close the notification sent before the