Fix project column title overflow (#31011)

By the way:
* Re-format the "color.go" to Golang code style
* Remove unused `overflow-y: scroll;` from `.project-column` because
there is `overflow: visible`

Author: wxiaoguang

modules/util/color.go

@@ -1,5 +1,6 @@
 // Copyright 2023 The Gitea Authors. All rights reserved.
 // SPDX-License-Identifier: MIT
+
 package util
 
 import (
@@ -8,7 +9,7 @@ import (
 	"strings"
 )
 
-// Get color as RGB values in 0..255 range from the hex color string (with or without #)
+// HexToRBGColor parses color as RGB values in 0..255 range from the hex color string (with or without #)
 func HexToRBGColor(colorString string) (float64, float64, float64) {
 	hexString := colorString
 	if strings.HasPrefix(colorString, "#") {
@@ -35,7 +36,7 @@ func HexToRBGColor(colorString string) (float64, float64, float64) {
 	return r, g, b
 }
 
-// Returns relative luminance for a SRGB color - https://en.wikipedia.org/wiki/Relative_luminance
+// GetRelativeLuminance returns relative luminance for a SRGB color - https://en.wikipedia.org/wiki/Relative_luminance
 // Keep this in sync with web_src/js/utils/color.js
 func GetRelativeLuminance(color string) float64 {
 	r, g, b := HexToRBGColor(color)
@@ -46,8 +47,8 @@ func UseLightText(backgroundColor string) bool {
 	return GetRelativeLuminance(backgroundColor) < 0.453
 }
 
-// Given a background color, returns a black or white foreground color that the highest
-// contrast ratio. In the future, the APCA contrast function, or CSS `contrast-color` will be better.
+// ContrastColor returns a black or white foreground color that the highest contrast ratio.
+// In the future, the APCA contrast function, or CSS `contrast-color` will be better.
 // https://github.com/color-js/color.js/blob/eb7b53f7a13bb716ec8b28c7a56f052cd599acd9/src/contrast/APCA.js#L42
 func ContrastColor(backgroundColor string) string {
 	if UseLightText(backgroundColor) {

templates/projects/view.tmpl

@@ -68,18 +68,14 @@
 		{{range .Columns}}
 			<div class="ui segment project-column"{{if .Color}} style="background: {{.Color}} !important; color: {{ContrastColor .Color}} !important"{{end}} data-id="{{.ID}}" data-sorting="{{.Sorting}}" data-url="{{$.Link}}/{{.ID}}">
 				<div class="project-column-header{{if $canWriteProject}} tw-cursor-grab{{end}}">
-					<div class="ui large label project-column-title tw-py-1">
-						<div class="ui small circular grey label project-column-issue-count">
-							{{.NumIssues ctx}}
-						</div>
-						<span class="project-column-title-label">{{.Title}}</span>
+					<div class="ui circular label project-column-issue-count">
+						{{.NumIssues ctx}}
 					</div>
+					<div class="project-column-title-label gt-ellipsis">{{.Title}}</div>
 					{{if $canWriteProject}}
-						<div class="ui dropdown jump item">
-							<div class="tw-px-2">
-								{{svg "octicon-kebab-horizontal"}}
-							</div>
-							<div class="menu user-menu">
+						<div class="ui dropdown tw-p-1">
+							{{svg "octicon-kebab-horizontal"}}
+							<div class="menu">
 								<a class="item show-modal button" data-modal="#edit-project-column-modal-{{.ID}}">
 									{{svg "octicon-pencil"}}
 									{{ctx.Locale.Tr "repo.projects.column.edit"}}

web_src/css/features/projects.css

@@ -14,7 +14,6 @@
   width: 320px;
   height: calc(100vh - 450px);
   min-height: 60vh;
-  overflow-y: scroll;
   flex: 0 0 auto;
   overflow: visible;
   display: flex;
@@ -30,17 +29,15 @@
   display: flex;
   align-items: center;
   justify-content: space-between;
+  gap: 0.5em;
 }
 
-.project-column-title {
-  background: none !important;
-  line-height: 1.25 !important;
-  cursor: inherit;
+.ui.label.project-column-issue-count {
+  color: inherit;
 }
 
-.project-column-title,
-.project-column-issue-count {
-  color: inherit !important;
+.project-column-title-label {
+  flex: 1;
 }
 
 .project-column > .cards {