Qt QSS QComboBox

 1 QComboBox {
 2     /* 边框宽度,线条样式,颜色 */
 3     border:3px solid red;
 4 
 5     /* 倒角 */
 6     border-radius:8px;
 7 
 8     /* 内边框 */
 9     padding:1px 18px 1px 3px;
10 
11     min-100px;
12 }
13 
14 QComboBox:editable {
15     background:green;
16 }
17 
18 /* 渐变色:从左到右,黑白渐变 */
19 QComboBox:!editable,QComboBox::drop-down:editable {
20     background:qlineargradient(x1:0, y1:0, x2:1, y2:0,
21                                stop:0 rgb(0,0,0), stop:1 rgb(255,255,255));
22 }
23 
24 /* 当下拉框打开时,背景颜色渐变 */
25 QComboBox:!editable:on, QComboBox::drop-down:editable:on {
26     background: qlineargradient(x1: 0, y1: 0, x2: 1, y2: 0,
27                                 stop: 0 #D3D3D3, stop: 0.4 #D8D8D8,
28                                 stop: 0.5 #DDDDDD, stop: 1.0 #BBBBBB);
29 }
30 
31 /* 当下拉框打开时, 移动显示框文本位置*/
32 QComboBox:on {
33     padding-top: 3px;
34     padding-left: 4px;
35 }
36 
37 /* 下拉按钮 */
38 QComboBox::drop-down {
39     subcontrol-origin: padding;
40 
41     /* 按钮位置,右上角 */
42     subcontrol-position: top right;
43 
44     /* 按钮宽度 */
45      25px;
46 
47     /* 一条边框线控制 */
48     border-left- 3px;
49     border-left-color: red;
50     border-left-style: solid;
51 
52     /* 倒角 */
53     border-top-right-radius: 3px;
54     border-bottom-right-radius: 3px;
55 }
56 
57 /* 下拉按钮图片 */
58 QComboBox::down-arrow {
59     border-image: url(:/images/02.bmp);
60 }
61 
62 /* 下拉按钮位移 */
63 QComboBox::down-arrow:on {
64     top: 1px;
65     left: 1px;
66 }
67 
68 /* 下拉列表里的颜色 */
69 QComboBox QAbstractItemView {
70     border: 2px solid darkgray;
71     selection-background-color: green;
72 }