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Embedded matplotlib inside Qt5 C++
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| ###################################################################### | |
| # Automatically generated by qmake (3.1) Mon Sep 13 15:29:11 2021 | |
| ###################################################################### | |
| TEMPLATE = app | |
| TARGET = embedded | |
| INCLUDEPATH += . | |
| INCLUDEPATH += /home/yudha/Miniconda/envs/pyqt5/include/python3.9 | |
| # The following define makes your compiler warn you if you use any | |
| # feature of Qt which has been marked as deprecated (the exact warnings | |
| # depend on your compiler). Please consult the documentation of the | |
| # deprecated API in order to know how to port your code away from it. | |
| DEFINES += QT_DEPRECATED_WARNINGS | |
| # You can also make your code fail to compile if you use deprecated APIs. | |
| # In order to do so, uncomment the following line. | |
| # You can also select to disable deprecated APIs only up to a certain version of Qt. | |
| #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0 | |
| # Input | |
| SOURCES += main.cpp | |
| QT += widgets | |
| LIBS += -Wl,-rpath,/home/yudha/Miniconda/envs/pyqt5/lib/python3.9/lib-dynload -Wl,-rpath,/usr/lib/x86_64-linux-gnu -Wl,-rpath,/home/yudha/Miniconda/envs/pyqt5/lib -L/home/yudha/Miniconda/envs/pyqt5/lib -lpython3.9 | |
| CONFIG += no_keywords |
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| #include <QApplication> | |
| #include <QMainWindow> | |
| #include <iostream> | |
| #include <Python.h> | |
| class PythonQt | |
| { | |
| public: | |
| PythonQt() | |
| { | |
| wchar_t const name[] = L"test"; | |
| Py_SetProgramName(name); | |
| Py_Initialize(); | |
| std::string code = | |
| "import sys\n" | |
| "sys.path += [\"/home/yudha/Miniconda/envs/pyqt5/lib/python3.9/lib-dynload\"]\n" | |
| // "print('\\n'.join(sys.path))\n"; | |
| "import matplotlib\n" | |
| "matplotlib.use('Qt5Agg')\n" | |
| "" | |
| "from PyQt5 import QtCore, QtWidgets\n" | |
| "" | |
| "from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg\n" | |
| "from matplotlib.figure import Figure\n" | |
| "" | |
| "" | |
| "class MplCanvas(FigureCanvasQTAgg):\n" | |
| " def __init__(self, parent=None, width=5, height=4, dpi=100):\n" | |
| " fig = Figure(figsize=(width, height), dpi=dpi)\n" | |
| " self.axes = fig.add_subplot(111)\n" | |
| " super(MplCanvas, self).__init__(fig)\n" | |
| "" | |
| "all_widgets = QtWidgets.QApplication.instance().allWidgets()\n" | |
| "window = None\n" | |
| "for widget in all_widgets:\n" | |
| " if str(widget.objectName()) == \"main_window\":\n" | |
| " window = widget\n" | |
| " break\n" | |
| "" | |
| "#def message_box():\n" | |
| "# QtWidgets.QMessageBox.information(None, 'Test', 'Hello!', QtWidgets.QMessageBox.Ok)\n" | |
| "# QtWidgets.QApplication.instance().quit()\n" | |
| "" | |
| "#button = QtWidgets.QPushButton('Press Me')\n" | |
| "#button.clicked.connect(message_box)\n" | |
| "sc = MplCanvas(window, width=5, height=4, dpi=100)\n" | |
| "sc.axes.plot([0,1,2,3,4], [10,1,20,3,40])\n" | |
| "window.setCentralWidget(sc)\n" | |
| "window.move(600, 300)"; | |
| PyRun_SimpleString(code.c_str()); | |
| } | |
| }; | |
| int main(int argc, char *argv[]) | |
| { | |
| QApplication a(argc, argv); | |
| QMainWindow win; | |
| win.setObjectName("main_window"); | |
| PythonQt python_code; | |
| win.show(); | |
| return a.exec(); | |
| } |
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