Traditional themes GTK+-3.16: improve overshoot/undershoot function

2 files changed, 190 insertions, 3 deletions

diff --git a/desktop-themes/TraditionalOk/gtk-3.0/gtk-widgets.css b/desktop-themes/TraditionalOk/gtk-3.0/gtk-widgets.css
index ca313915..8609b3d6 100644
--- a/desktop-themes/TraditionalOk/gtk-3.0/gtk-widgets.css
+++ b/desktop-themes/TraditionalOk/gtk-3.0/gtk-widgets.css
@@ -208,10 +208,187 @@ GtkTreeView.separator,
 	background-position: center;
 }
 
+/************************
+ * overshoot/undershoot *
+ ************************/
+
 /* displays at end of mouse scrolling */
-.overshoot,
-.sidebar.overshoot {
-	background-color: alpha (@theme_selected_bg_color, 0.35);
+.overshoot.top {
+    background-image: -gtk-gradient(radial,
+                                    center top, 0,
+                                    center top, 0.5,
+                                    to(@overshoot_bg_color),
+                                    to(rgba(137, 158, 179, 0))),
+                      -gtk-gradient(radial,
+                                    center top, 0,
+                                    center top, 0.6,
+                                    from(rgba(56, 73, 87, 0.17)),
+                                    to(rgba(56, 73, 87, 0)));
+    background-size: 100% 20%, 100% 100%;
+    background-repeat: no-repeat;
+    background-position: center top;
+    background-color: transparent;
+    border: none;
+    box-shadow: none;
+}
+
+.overshoot.top:backdrop {
+    background-image: -gtk-gradient(radial,
+                                    center top, 0,
+                                    center top, 0.5,
+                                    to(@overshoot_backdrop_bg_color),
+                                    to(rgba(131, 137, 145, 0)));
+    background-size: 100% 20%;
+    background-repeat: no-repeat;
+    background-position: center top;
+    background-color: transparent;
+    border: none;
+    box-shadow: none;
+}
+
+.overshoot.bottom {
+    background-image: -gtk-gradient(radial,
+                                    center bottom, 0,
+                                    center bottom, 0.5,
+                                    to(@overshoot_bg_color),
+                                    to(rgba(137, 158, 179, 0))),
+                      -gtk-gradient(radial,
+                                    center bottom, 0,
+                                    center bottom, 0.6,
+                                    from(rgba(56, 73, 87, 0.17)),
+                                    to(rgba(56, 73, 87, 0)));
+    background-size: 100% 20%, 100% 100%;
+    background-repeat: no-repeat;
+    background-position: center bottom;
+    background-color: transparent;
+    border: none;
+    box-shadow: none;
+}
+
+.overshoot.bottom:backdrop {
+    background-image: -gtk-gradient(radial,
+                                    center bottom, 0,
+                                    center bottom, 0.5,
+                                    to(@overshoot_backdrop_bg_color),
+                                    to(rgba(131, 137, 145, 0)));
+    background-size: 100% 20%;
+    background-repeat: no-repeat;
+    background-position: center bottom;
+    background-color: transparent;
+    border: none;
+    box-shadow: none;
+}
+
+.overshoot.left {
+    background-image: -gtk-gradient(radial,
+                                    left center, 0,
+                                    left center, 0.5,
+                                    to(@overshoot_bg_color),
+                                    to(rgba(137, 158, 179, 0))),
+                      -gtk-gradient(radial,
+                                    left center, 0,
+                                    left center, 0.6,
+                                    from(rgba(56, 73, 87, 0.07)),
+                                    to(rgba(56, 73, 87, 0)));
+    background-size: 20% 100%, 100% 100%;
+    background-repeat: no-repeat;
+    background-position: left center;
+    background-color: transparent;
+    border: none;
+    box-shadow: none;
+}
+
+.overshoot.left:backdrop {
+    background-image: -gtk-gradient(radial,
+                                    left center, 0,
+                                    left center, 0.5,
+                                    to(@overshoot_backdrop_bg_color),
+                                    to(rgba(131, 137, 145, 0)));
+    background-size: 20% 100%;
+    background-repeat: no-repeat;
+    background-position: left center;
+    background-color: transparent;
+    border: none;
+    box-shadow: none;
+}
+
+.overshoot.right {
+    background-image: -gtk-gradient(radial,
+                                    right center, 0,
+                                    right center, 0.5,
+                                    to(@overshoot_bg_color),
+                                    to(rgba(137, 158, 179, 0))),
+                      -gtk-gradient(radial,
+                                    right center, 0,
+                                    right center, 0.6,
+                                    from(rgba(56, 73, 87, 0.07)),
+                                    to(rgba(56, 73, 87, 0)));
+    background-size: 20% 100%, 100% 100%;
+    background-repeat: no-repeat;
+    background-position: right center;
+    background-color: transparent;
+    border: none;
+    box-shadow: none;
+}
+
+.overshoot.right:backdrop {
+    background-image: -gtk-gradient(radial,
+                                    right center, 0,
+                                    right center, 0.5,
+                                    to(@overshoot_backdrop_bg_color),
+                                    to(rgba(131, 137, 145, 0)));
+    background-size: 20% 100%;
+    background-repeat: no-repeat;
+    background-position: right center;
+    background-color: transparent;
+    border: none;
+    box-shadow: none;
+}
+
+
+/* result is disable undershoot */
+.undershoot.top {
+    background-color: transparent;
+    background-image: linear-gradient(to left,
+                                      rgba(255, 255, 255, 0.2) 50%,
+                                      rgba(0, 0, 0, 0.2) 50%);
+    background-size: 10px 0px;
+    background-repeat: repeat-x;
+    background-origin: content-box;
+    background-position: center top;
+}
+
+.undershoot.bottom {
+    background-color: transparent;
+    background-image: linear-gradient(to left,
+                                      rgba(255, 255, 255, 0.2) 50%,
+                                      rgba(0, 0, 0, 0.2) 50%);
+    background-size: 10px 0px;
+    background-repeat: repeat-x;
+    background-origin: content-box;
+    background-position: center bottom;
+}
+
+.undershoot.left {
+    background-color: transparent;
+    background-image: linear-gradient(to top,
+                                      rgba(255, 255, 255, 0.2) 50%,
+                                      rgba(0, 0, 0, 0.2) 50%);
+    background-size: 0px 10px;
+    background-repeat: repeat-y;
+    background-origin: content-box;
+    background-position: left center;
+}
+
+.undershoot.right {
+    background-color: transparent;
+    background-image: linear-gradient(to top,
+                                      rgba(255, 255, 255, 0.2) 50%,
+                                      rgba(0, 0, 0, 0.2) 50%);
+    background-size: 0px 10px;
+    background-repeat: repeat-y;
+    background-origin: content-box;
+    background-position: right center;
 }
 
 /****************
diff --git a/desktop-themes/TraditionalOk/gtk-3.0/gtk.css b/desktop-themes/TraditionalOk/gtk-3.0/gtk.css
index 544fc6e6..c2c429a9 100644
--- a/desktop-themes/TraditionalOk/gtk-3.0/gtk.css
+++ b/desktop-themes/TraditionalOk/gtk-3.0/gtk.css
@@ -428,6 +428,16 @@
 @define-color trough_gradient_a shade(@core_color_b, 0.81);
 @define-color trough_gradient_b shade(@core_color_b, 0.90);
 
+/************************
+ * overshoot/undershoot *
+ ************************/
+
+@define-color overshoot_bg_color alpha (@theme_selected_bg_color, 0.15);
+@define-color overshoot_backdrop_bg_color theme_selected_bg_color;
+
+/**********
+ * WM *
+ **********/
 
 @define-color wm_shadow alpha(black, 0.5);
 @define-color wm_border alpha(black,0.18);