basic drag and drop support

Since apparently dragleave and dragenter don't quite work as intended we
have to resort to this obscure method which should work just fine on the
user's end.

1 files changed, 57 insertions, 1 deletions

diff --git a/src/app/main.css b/src/app/main.css
index a532490..dcc4e8a 100644
--- a/src/app/main.css
+++ b/src/app/main.css
@@ -38,11 +38,15 @@
 body {
 	margin: 0;
 	overflow: hidden;
-	user-select: none;
 }
 
 body, button, input {font-family: "Roboto", sans-serif}
 
+body, button, img, a {
+	-webkit-user-drag: none;
+	user-select: none;
+}
+
 button {outline: none}
 b, strong {font-weight: 700}
 body, input, button {font-weight: 500}
@@ -612,6 +616,58 @@ code {
 	font-weight: 600;
 }
 
+#dragUI {
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	color: white;
+	opacity: 0.0;
+	position: fixed;
+	z-index: 1000000;
+	pointer-events: none;
+	background: var(--bg);
+	backdrop-filter: blur(15px);
+	transition: 0.1s ease-in-out;
+}
+
+#dragUI.shown {
+	opacity: 1.0;
+	pointer-events: all;
+}
+
+#dragUI #dragitems {
+	--size: 25vw;
+	top: 50%;
+	left: 50%;
+	opacity: 0.6;
+	position: absolute;
+	text-align: center;
+	width: var(--size);
+	height: var(--size);
+	margin-top: calc(var(--size) / 2 * -1);
+	margin-left: calc(var(--size) / 2 * -1);
+}
+
+#dragUI #dragitems #icon {
+	width: 100%;
+	height: 100%;
+	filter: invert(1);
+	transform: scale(0.45);
+	background-size: cover;
+	background-image: url("icons/download.png");
+	transition: 0.1s ease-in-out;
+}
+
+#dragUI.shown #dragitems #icon {
+	transform: scale(0.5);
+}
+
+#dragUI #dragitems #text {
+	top: -5vw;
+	position: relative;
+}
+
 /* drag control */
 
 #bgHolder,