Merge and tweak markup editor expander CSS (#34409) (#34415)

Backport #34409 by @silverwind

- Merge the CSS for the two expanders (text-expander-element and
tribute.js) into one file
- Fix overflow issues
- Remove min-width
- Various other tweaks like borders, colors, padding, gaps.

text-expander:

<img width="645" alt="Screenshot 2025-05-09 at 02 21 24"
src="https://github.com/user-attachments/assets/33276dc4-38e8-45e1-8216-2a4baa9bc039"
/>

tribute:

<img width="624" alt="Screenshot 2025-05-09 at 02 21 37"
src="https://github.com/user-attachments/assets/91fbcd1a-9bfc-40fd-93f0-a05b4bd4c98d"
/>

Co-authored-by: silverwind <[email protected]>
Co-authored-by: wxiaoguang <[email protected]>

Author: 3 people

web_src/css/editor/combomarkdowneditor.css

@@ -100,67 +100,3 @@
   border-bottom: 1px solid var(--color-secondary);
   padding-bottom: 1rem;
 }
-
-text-expander {
-  display: block;
-  position: relative;
-}
-
-text-expander .suggestions {
-  position: absolute;
-  min-width: 180px;
-  padding: 0;
-  margin-top: 24px;
-  list-style: none;
-  background: var(--color-box-body);
-  border-radius: var(--border-radius);
-  border: 1px solid var(--color-secondary);
-  box-shadow: 0 .5rem 1rem var(--color-shadow);
-  z-index: 100; /* needs to be > 20 to be on top of dropzone's .dz-details */
-}
-
-text-expander .suggestions li {
-  display: flex;
-  align-items: center;
-  cursor: pointer;
-  padding: 4px 8px;
-  font-weight: var(--font-weight-medium);
-}
-
-text-expander .suggestions li + li {
-  border-top: 1px solid var(--color-secondary-alpha-40);
-}
-
-text-expander .suggestions li:first-child {
-  border-radius: var(--border-radius) var(--border-radius) 0 0;
-}
-
-text-expander .suggestions li:last-child {
-  border-radius: 0 0 var(--border-radius) var(--border-radius);
-}
-
-text-expander .suggestions li:only-child {
-  border-radius: var(--border-radius);
-}
-
-text-expander .suggestions li:hover {
-  background: var(--color-hover);
-}
-
-text-expander .suggestions .fullname {
-  font-weight: var(--font-weight-normal);
-  margin-left: 4px;
-  color: var(--color-text-light-1);
-}
-
-text-expander .suggestions li[aria-selected="true"],
-text-expander .suggestions li[aria-selected="true"] span {
-  background: var(--color-primary);
-  color: var(--color-primary-contrast);
-}
-
-text-expander .suggestions img {
-  width: 24px;
-  height: 24px;
-  margin-right: 8px;
-}

web_src/css/features/expander.css

@@ -0,0 +1,96 @@
+text-expander .suggestions,
+.tribute-container {
+  position: absolute;
+  max-height: min(300px, 95vh);
+  max-width: min(500px, 95vw);
+  overflow-x: hidden;
+  overflow-y: auto;
+  white-space: nowrap;
+  background: var(--color-menu);
+  box-shadow: 0 6px 18px var(--color-shadow);
+  border-radius: var(--border-radius);
+  border: 1px solid var(--color-secondary);
+  z-index: 100; /* needs to be > 20 to be on top of dropzone's .dz-details */
+}
+
+text-expander {
+  display: block;
+  position: relative;
+}
+
+text-expander .suggestions {
+  padding: 0;
+  margin-top: 24px;
+  list-style: none;
+}
+
+text-expander .suggestions li,
+.tribute-item {
+  display: flex;
+  align-items: center;
+  cursor: pointer;
+  gap: 6px;
+  font-weight: var(--font-weight-medium);
+}
+
+text-expander .suggestions li,
+.tribute-container li {
+  padding: 3px 6px;
+}
+
+text-expander .suggestions li + li,
+.tribute-container li + li {
+  border-top: 1px solid var(--color-secondary);
+}
+
+text-expander .suggestions li:first-child {
+  border-radius: var(--border-radius) var(--border-radius) 0 0;
+}
+
+text-expander .suggestions li:last-child {
+  border-radius: 0 0 var(--border-radius) var(--border-radius);
+}
+
+text-expander .suggestions li:only-child {
+  border-radius: var(--border-radius);
+}
+
+text-expander .suggestions .fullname,
+.tribute-container li .fullname {
+  font-weight: var(--font-weight-normal);
+  color: var(--color-text-light-1);
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+text-expander .suggestions li:hover,
+text-expander .suggestions li:hover *,
+text-expander .suggestions li[aria-selected="true"],
+text-expander .suggestions li[aria-selected="true"] *,
+.tribute-container li.highlight,
+.tribute-container li.highlight * {
+  background: var(--color-primary);
+  color: var(--color-primary-contrast);
+}
+
+text-expander .suggestions img,
+.tribute-item img {
+  width: 21px;
+  height: 21px;
+  object-fit: contain;
+  aspect-ratio: 1;
+}
+
+.tribute-container {
+  display: block;
+}
+
+.tribute-container ul {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.tribute-container li.no-match {
+  cursor: default;
+}

web_src/css/features/tribute.css

@@ -39,7 +39,7 @@
 @import "./features/imagediff.css";
 @import "./features/codeeditor.css";
 @import "./features/projects.css";
-@import "./features/tribute.css";
+@import "./features/expander.css";
 @import "./features/cropper.css";
 @import "./features/console.css";
 

web_src/css/index.css

@@ -97,6 +97,7 @@ export function initTextExpander(expander: TextExpanderElement) {
         li.append(img);
 
         const nameSpan = document.createElement('span');
+        nameSpan.classList.add('name');
         nameSpan.textContent = name;
         li.append(nameSpan);