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andrewbytecoderandrewbytecoder
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添加屏幕截图示例代码
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‎qt_screenshot/CMakeLists.txt

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cmake_minimum_required(VERSION 3.12)
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project(qt_clion)
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_AUTOMOC ON)
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set(CMAKE_AUTORCC ON)
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set(CMAKE_AUTOUIC ON)
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set(QT_VERSION 5)
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set(REQUIRED_LIBS Core Gui Widgets)
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set(REQUIRED_LIBS_QUALIFIED Qt5::Core Qt5::Gui Qt5::Widgets)
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if(WIN32)
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set(CMAKE_PREFIX_PATH "D:/software/Qt5.13.0/mingw73_64/lib/cmake/Qt5")
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else()
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set(CMAKE_PREFIX_PATH "/usr/lib/x86_64-linux-gnu/cmake/Qt5")
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endif()
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if (NOT CMAKE_PREFIX_PATH)
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message(WARNING "CMAKE_PREFIX_PATH is not defined, you may need to set it "
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"(-DCMAKE_PREFIX_PATH=\"path/to/Qt/lib/cmake\" or -DCMAKE_PREFIX_PATH=/usr/include/{host}/qt{version}/ on Ubuntu)")
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endif ()
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## 添加用户界面文件
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#set(FORMS
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# mainwindow.ui
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# )
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# 自动生成用户界面文件的 C++ 代码
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#qt5_wrap_ui(UI_HEADERS ${FORMS})
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# 自动生成用户界面文件的 C++ 代码
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# 自动生成用户界面文件的 C++ 代码
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#set(UI_HEADERS)
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if(WIN32)
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#foreach(FORM ${FORMS})
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# get_filename_component(FORM_BASE ${FORM} NAME_WE)
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# set(UI_HEADER "${CMAKE_CURRENT_BINARY_DIR}/ui_${FORM_BASE}.h")
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# list(APPEND UI_HEADERS ${UI_HEADER})
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# add_custom_command(
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# OUTPUT ${UI_HEADER}
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# COMMAND ${Qt5_DIR}/../../../bin/uic ${CMAKE_CURRENT_SOURCE_DIR}/${FORM} -o ${UI_HEADER}
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# DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${FORM}
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# )
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#endforeach()
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else()
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# foreach(FORM ${FORMS})
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# get_filename_component(FORM_BASE ${FORM} NAME_WE)
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# set(UI_HEADER "${CMAKE_CURRENT_BINARY_DIR}/ui_${FORM_BASE}.h")
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# list(APPEND UI_HEADERS ${UI_HEADER})
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# add_custom_command(
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# OUTPUT ${UI_HEADER}
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# COMMAND /usr/bin/uic ${CMAKE_CURRENT_SOURCE_DIR}/${FORM} -o ${UI_HEADER}
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# DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${FORM}
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# )
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# endforeach()
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endif()
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add_executable(${PROJECT_NAME}
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main.cpp
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mainwindow.cpp)
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target_include_directories(${PROJECT_NAME}
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PUBLIC ./
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}_autogen/include)
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find_package(Qt${QT_VERSION} COMPONENTS ${REQUIRED_LIBS} REQUIRED)
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target_link_libraries(${PROJECT_NAME} ${REQUIRED_LIBS_QUALIFIED})
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‎qt_screenshot/main.cpp

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#include <QApplication>
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#include <QPushButton>
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#include "mainwindow.h"
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int main(int argc, char *argv[]) {
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QApplication a(argc, argv);
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QPushButton button("Hello world!", nullptr);
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button.resize(200, 100);
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button.show();
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return QApplication::exec();
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}

‎qt_screenshot/mainwindow.cpp

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//
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// Created by wangyz38535 on 2023/9/17.
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//
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// You may need to build the project (run Qt uic code generator) to get "ui_MainWindow.h" resolved
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent) :
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QMainWindow(parent), ui(new Ui::MainWindow) {
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ui->setupUi(this);
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}
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MainWindow::~MainWindow() {
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delete ui;
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}
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‎qt_screenshot/mainwindow.h

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//
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// Created by wangyz38535 on 2023/9/17.
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//
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#ifndef TEST_MAINWINDOW_H
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#define TEST_MAINWINDOW_H
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#include <QMainWindow>
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QT_BEGIN_NAMESPACE
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namespace Ui { class MainWindow; }
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QT_END_NAMESPACE
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class MainWindow : public QMainWindow {
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Q_OBJECT
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public:
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explicit MainWindow(QWidget *parent = nullptr);
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~MainWindow() override;
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private:
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Ui::MainWindow *ui;
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};
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#endif //TEST_MAINWINDOW_H

‎qt_screenshot/mainwindow.ui

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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>MainWindow</class>
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<widget class="QMainWindow" name="MainWindow">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>373</width>
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<height>314</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>MainWindow</string>
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</property>
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</widget>
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<resources/>
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<connections/>
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</ui>

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