如何解决将QStyles添加到Pyqt5
我正在将我的GUI应用程序从PyQt4转换为PyQt5。但是在PyQt4中,我们得到了许多plastique
,Cleanlooks
等QStyle。但是在PyQt5中,我们只有Fusion
样式以及一些普通的Windows样式。
如何为PyQt5添加更多自定义样式?
解决方法
Qt的许多功能都是由插件实现的,样式就是这种情况。因此,在这种情况下,您必须编译qtstyleplugins:
您可以使用以下过程来编译qtstyleplugins:
-
在Windows上安装MSVC 2019,在MacOS上安装XCode,在Ubuntu上安装基本版本(如果是其他发行版,则应寻找等效版本)。
-
安装Qt,该版本与pyqt5的编译版本相同:
python -c "from PyQt5.QtCore import QT_VERSION_STR; print('Qt version',QT_VERSION_STR)"
。 -
克隆存储库,然后通过执行以下命令对其进行编译(对于Windows,必须将make更改为nmake):
git clone https://code.qt.io/qt/qtstyleplugins.git cd qtstyleplugins qmake make make install
这些命令将在文件夹“ qtstyleplugins / plugins / styles /”中生成二进制文件(对于Linux是.so,对于Windows是.dll,对于MacOS是.dylib),您必须将其复制到以下路径:
python -c "import os; from PyQt5 import QtCore; print(os.path.join(QtCore.QLibraryInfo.location(QtCore.QLibraryInfo.PluginsPath),'styles'))"
输出:
/home/qtuser/Documents/qt_venv/lib/python3.8/site-packages/PyQt5/Qt/plugins/styles
为了简化工作,我创建了一个生成二进制文件的github动作:
name: question_63477276
on: [push]
jobs:
ci:
name: ${{ matrix.os.name }} Python-${{ matrix.python }} Qt-${{ matrix.qt }}
runs-on: ${{ matrix.os.runs-on }}
strategy:
fail-fast: false
matrix:
os:
- name: Windows
extension: "*.dll"
runs-on: windows-latest
- name: Linux
extension: "*.so"
runs-on: ubuntu-latest
- name: MacOS
extension: "*.dylib"
runs-on: macos-latest
python: [3.6,3.7,3.8]
qt: [5.15.0]
steps:
- name: Checkout
uses: actions/checkout@v1
- name: Install Linux dependencies
if: matrix.os.name == 'Linux'
run: |
sudo apt-get install '^libxcb.*-dev' libx11-xcb-dev libglu1-mesa-dev libxrender-dev libxi-dev libxkbcommon-dev libxkbcommon-x11-dev
- name: Set up Python
uses: actions/setup-python@v2
with:
python-version: ${{ matrix.python }}
architecture: x64
- name: install pyqt5
run: pip install pyqt5
- name: before
uses: GabrielBB/xvfb-action@v1.2
with:
run: python -c "from PyQt5 import QtWidgets; app = QtWidgets.QApplication([]); print(QtWidgets.QStyleFactory.keys())"
- name: Install Qt
uses: jurplel/install-qt-action@v2
with:
version: ${{ matrix.qt }}
dir: ${{ github.workspace }}/qt/
- name: clone qtstyleplugins
run: git clone https://code.qt.io/qt/qtstyleplugins.git
- name: compile qtstyleplugins in Windows
if: matrix.os.name == 'Windows'
shell: cmd
run: |
call "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Auxiliary/Build/vcvars64.bat"
cd qtstyleplugins
qmake
nmake
nmake install
- name: compile qtstyleplugins in Linux or MacOS
if: matrix.os.name == 'Linux' || matrix.os.name == 'MacOS'
run: |
cd qtstyleplugins
qmake
make
make install
- name: copy binaries
run: python questions/63477276/search_binaries.py qtstyleplugins/plugins/styles/
- name: after
uses: GabrielBB/xvfb-action@v1.2
with:
run: python -c "from PyQt5 import QtWidgets; app = QtWidgets.QApplication([]); print(QtWidgets.QStyleFactory.keys())"
- name: upload
uses: actions/upload-artifact@v2
with:
path: qtstyleplugins/plugins/styles/${{ matrix.os.extension }}
name: qtstyleplugins-${{ matrix.os.name }}-Python${{ matrix.python }}-Qt${{ matrix.qt }}
,您可以从here下载pyqt5 5.15的二进制文件。
测试:
python -c "from PyQt5 import QtWidgets; app = QtWidgets.QApplication([]); print(QtWidgets.QStyleFactory.keys())"
输出:
['bb10dark','bb10bright','cleanlooks','cde','motif','plastique','windowsvista','Windows','Fusion']
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