Question

我正在尝试向QSlider添加一些样式，我想使用自定义图像作为用户来回拖动的手柄。虽然我已经弄清楚了如何使用样式表在应该放置手柄的位置绘制自定义图标，但是图像绘制得太小了，我无法弄清楚如何使其变大。

设置宽度和高度似乎无济于事。我尝试过使用图像，边框图像和背景图像，但是没有一个可以设置手柄图像的大小。有谁知道该怎么做？

这是我一直添加到QtDesigner中的QSlider的样式表：

QSlider::handle:vertical {
    image: url(:/data/icons/mixer-slider-handle.svg);
    width:64px;
    height:64px;
}

这是SVG：

<svg
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:xlink="http://www.w3.org/1999/xlink"
   width="30"
   height="45"
   viewBox="0 0 7.9374997 11.90625"
   version="1.1"
   id="svg8"
>
  <defs
     id="defs2">
    <linearGradient
       id="linearGradient844"
       inkscape:collect="always">
      <stop
         id="stop840"
         offset="0"
         style="stop-color:#cecece;stop-opacity:1;" />
      <stop
         id="stop842"
         offset="1"
         style="stop-color:#ffffff;stop-opacity:1" />
    </linearGradient>
    <linearGradient
       inkscape:collect="always"
       id="linearGradient824">
      <stop
         style="stop-color:#cecece;stop-opacity:1;"
         offset="0"
         id="stop820" />
      <stop
         style="stop-color:#ffffff;stop-opacity:1"
         offset="1"
         id="stop822" />
    </linearGradient>
    <linearGradient
       inkscape:collect="always"
       xlink:href="#linearGradient824"
       id="linearGradient826"
       x1="-3.9103179"
       y1="297.24557"
       x2="-3.8304768"
       y2="285.38882"
       gradientUnits="userSpaceOnUse"
       gradientTransform="matrix(0.8683302,0,0,0.96503255,7.3827223,9.9179025)" />
    <linearGradient
       inkscape:collect="always"
       xlink:href="#linearGradient844"
       id="linearGradient838"
       gradientUnits="userSpaceOnUse"
       gradientTransform="matrix(0.86322913,0,0,0.81935486,7.5301966,52.317886)"
       x1="-3.8119318"
       y1="285.99686"
       x2="-3.7885454"
       y2="296.82458" />
  </defs>
  <g
     inkscape:label="Layer 1"
     inkscape:groupmode="layer"
     id="layer1"
     transform="translate(0,-285.09375)">
    <rect
       style="fill:url(#linearGradient826);fill-opacity:1;stroke:#0e0e0e;stroke-width:0.1373108;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
       id="rect818"
       width="5.157938"
       height="11.397007"
       x="1.453124"
       y="285.36124"
       ry="2.866178" />
    <rect
       style="opacity:1;fill:url(#linearGradient838);fill-opacity:1;stroke:none;stroke-width:0.12615089;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
       id="rect828"
       width="4.6027613"
       height="8.9100981"
       x="1.7161824"
       y="286.60291"
       ry="2.184411" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.24780074px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
       d="m 1.8804469,291.0695 4.3266789,0.047"
       id="path846"
       inkscape:connector-curvature="0" />
  </g>
</svg>

Answer 1

看起来答案是为凹槽和手柄设置边距属性，以反映您正在使用的手柄的大小。

这对我有用：

.QSlider::groove:vertical {
    border: 1px solid #111;
    background-color: #333;
    width: 6px;
    margin: 24px 12px;
}

.QSlider::handle:vertical {
    image: url(:/data/icons/mixer-slider-handle.svg);
    margin: -24px -12px;
    height: -30px;
}

如何在QSlider中设置手柄的大小？

1 个答案: