769 lines
24 KiB
C++
769 lines
24 KiB
C++
/**
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* @author : 陈鲁勇
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* @date : 2017年04月
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* @version: 1.0
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* @note : 根据 Apache 许可证 2.0 版（以下简称“许可证”）授权;
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* 除非遵守本许可，否则您不能使用这个文件。
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* @remarks: 您可以获得该许可的副本：
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* http://www.apache.org/licenses/LICENSE-2.0
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* 除非适用法律需要或者书面同意，按本许可分发的软件
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* 要按“原样”分发，没有任何形式的，明确或隐含的担保条款。
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* 参见按照本许可控制许可权限及限制的特定语言的许可证。
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*
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* 你可以获得该代码的最新版本：
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*
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* https://git.oschina.net/Mr_ChenLuYong/screenshot
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*
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* 开源社区的所有人都期待与你的共同维护。
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*
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*
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* 如果你对这些代码还有不理解的地方可以通过最新的文章进行学习：
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*
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* 博客地址：http://blog.csdn.net/csnd_ayo
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*
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* 文章地址：http://blog.csdn.net/csnd_ayo/article/details/70197915
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*
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* 期待你提交Bug，欢迎Issues。
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*
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*/
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#include "oescreenshot.h"
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#include <QDesktopWidget>
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#include <QApplication>
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#include <QMouseEvent>
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#include <QFileDialog>
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#include <QClipboard>
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#include <QDateTime>
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#include <QPainter>
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#include <QScreen>
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#include <QCursor>
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#include <QMutex>
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#include <QMenu>
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#include <QPen>
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#ifndef QT_NO_DEBUG
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#include <QDebug>
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#endif
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#include <windows.h>
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#include "oeamplifier.h"
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#include "oecommonhelper.h"
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/// 鼠标按钮图片的十六进制数据
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static const unsigned char uc_mouse_image[] = {
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0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00, 0x0D, 0x49, 0x48, 0x44, 0x52
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,0x00, 0x00, 0x00, 0x1D, 0x00, 0x00, 0x00, 0x2D, 0x08, 0x06, 0x00, 0x00, 0x00, 0x52, 0xE9, 0x60
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,0xA2, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73, 0x00, 0x00, 0x0B, 0x13, 0x00, 0x00, 0x0B
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,0x13, 0x01, 0x00, 0x9A, 0x9C, 0x18, 0x00, 0x00, 0x01, 0x40, 0x49, 0x44, 0x41, 0x54, 0x58, 0x85
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,0xED, 0xD5, 0x21, 0x6E, 0xC3, 0x30, 0x14, 0xC6, 0xF1, 0xFF, 0x9B, 0xC6, 0x36, 0x30, 0x38, 0xA9
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,0x05, 0x01, 0x05, 0x81, 0x05, 0x03, 0x39, 0xCA, 0x60, 0x8F, 0xD2, 0x03, 0xEC, 0x10, 0x3B, 0x46
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,0xC1, 0xC0, 0xC6, 0x0A, 0x3B, 0x96, 0xB1, 0x80, 0x82, 0xC1, 0x56, 0x2A, 0xFF, 0x06, 0xE2, 0x36
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,0x75, 0x9A, 0xB4, 0xCA, 0xEC, 0x4E, 0x9A, 0xE4, 0x2F, 0xB2, 0x42, 0x22, 0xFF, 0xF2, 0xFC, 0x9C
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,0x18, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0xFE, 0x55, 0xE4, 0xC6, 0xA0
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,0xDC, 0xC4, 0x71, 0x87, 0xC1, 0xC1, 0x68, 0x01, 0xCC, 0x06, 0xC2, 0x51, 0xD0, 0x29, 0xB0, 0x18
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,0x00, 0xDF, 0xC6, 0x40, 0x33, 0x37, 0x84, 0x30, 0x4C, 0x80, 0x85, 0xCE, 0x7B, 0x2E, 0x2A, 0x91
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,0x84, 0x24, 0xBE, 0x25, 0xDE, 0x25, 0x5E, 0x2F, 0x6E, 0xAE, 0xD0, 0x37, 0x92, 0x10, 0xF0, 0x09
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,0x54, 0x40, 0xE9, 0xEE, 0x15, 0xC6, 0xA2, 0x77, 0xFE, 0xE0, 0xE5, 0x85, 0x8F, 0x16, 0x58, 0xDF
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,0x35, 0x06, 0x5B, 0xD3, 0xB9, 0xD4, 0x11, 0xD0, 0xA5, 0x8F, 0xDE, 0x57, 0x75, 0x83, 0x73, 0x50
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,0x06, 0xF6, 0x72, 0x0A, 0x47, 0x40, 0x57, 0x0D, 0x38, 0xDE, 0xC0, 0x04, 0x6F, 0x68, 0x05, 0x36
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,0xF5, 0xE1, 0x08, 0x3D, 0xCD, 0xEA, 0xEA, 0x5A, 0xD8, 0xBE, 0x5A, 0x46, 0xB0, 0x05, 0x1E, 0xAC
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,0xF1, 0xC2, 0xD1, 0xCC, 0x01, 0x6D, 0x74, 0x02, 0xDB, 0x3B, 0xBF, 0xD3, 0x73, 0x07, 0x87, 0x2F
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,0xEF, 0x53, 0x07, 0x38, 0x82, 0x2F, 0xF6, 0xFB, 0xB8, 0x81, 0x73, 0x41, 0x69, 0x28, 0x3A, 0x7A
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,0x5C, 0xDD, 0x73, 0xCF, 0x3A, 0x86, 0xA3, 0x05, 0x87, 0xEA, 0xCC, 0x60, 0xA1, 0x06, 0x75, 0x89
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,0xFE, 0x77, 0x92, 0x76, 0x68, 0x23, 0xEF, 0x88, 0xD3, 0x4C, 0xA8, 0x10, 0x7A, 0xD4, 0xEF, 0x8E
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,0xBE, 0x8B, 0x68, 0x79, 0x3A, 0xB1, 0x72, 0xE1, 0xAE, 0xBC, 0x13, 0x0D, 0xDE, 0xBD, 0x3D, 0xF3
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,0x08, 0x15, 0xD4, 0xDF, 0x4C, 0x06, 0x36, 0xF7, 0x9E, 0x09, 0xED, 0xE9, 0x99, 0x97, 0x3E, 0x42
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,0xFF, 0x30, 0x42, 0x4B, 0xA1, 0x8D, 0xD8, 0xE9, 0x2A, 0xBD, 0xED, 0x41, 0x25, 0x2A, 0x89, 0x37
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,0x1F, 0xBD, 0xEA, 0x61, 0x8B, 0x5F, 0xDD, 0xC1, 0xFA, 0x01, 0xD8, 0xA3, 0x8F, 0xFB, 0xCA, 0x70
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,0x16, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82
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};
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OEScreenshot * OEScreenshot::self_ = nullptr;
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bool OEScreenshot::isActivity_ = false;
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bool OEScreen::isInit_ = false;
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OEScreenshot::OEScreenshot(QWidget *parent) : QWidget(parent),
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isLeftPressed_ (false), backgroundScreen_(nullptr),
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originPainting_(nullptr), screenTool_(nullptr) {
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/// 初始化鼠标
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initCursor();
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/// 截取屏幕信息
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initGlobalScreen();
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/// 初始化鼠标放大器
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initAmplifier();
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/// 初始化大小感知器
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initMeasureWidget();
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/// 全屏窗口
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showFullScreen();
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/// 窗口与显示屏对齐
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setGeometry(getScreenRect());
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/// 霸道置顶
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onEgoistic();
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/// 开启鼠标实时追踪
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setMouseTracking(true);
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/// 更新鼠标的位置
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emit cursorPosChange(cursor().pos().x(), cursor().pos().y());
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/// 更新鼠标区域窗口
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updateMouse();
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/// 展示窗口
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show();
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}
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OEScreenshot::~OEScreenshot(void) {
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}
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/**
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* @brief：窗口实例
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* @return：OEScreenshot
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*/
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OEScreenshot *OEScreenshot::Instance(void) {
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if (!isActivity_ && self_) {
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destroy();
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}
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static QMutex mutex;
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if (!self_) {
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QMutexLocker locker(&mutex);
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if (!self_) {
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isActivity_ = true;
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self_ = new OEScreenshot;
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}
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}
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return self_;
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}
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void OEScreenshot::destroy(void) {
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if (!isActivity_ && self_) {
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delete self_;
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self_ = nullptr;
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}
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}
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void OEScreenshot::hideEvent(QHideEvent *) {
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isActivity_ = false;
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}
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void OEScreenshot::closeEvent(QCloseEvent *) {
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isActivity_ = false;
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}
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void OEScreenshot::mouseDoubleClickEvent(QMouseEvent *) {
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emit doubleClick();
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}
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/**
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* 初始化放大镜 (色彩采集器)
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*/
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void OEScreenshot::initAmplifier(std::shared_ptr<QPixmap> originPainting) {
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std::shared_ptr<QPixmap> temp_pm = originPainting;
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if (temp_pm == nullptr) {
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temp_pm = originPainting_;
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}
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amplifierTool_.reset(new OEAmplifier(temp_pm, this));
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connect(this,SIGNAL(cursorPosChange(int,int)),
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amplifierTool_.get(), SLOT(onPostionChange(int,int)));
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amplifierTool_->show();
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amplifierTool_->raise();
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}
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void OEScreenshot::initMeasureWidget(void)
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{
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rectTool_.reset(new OERect(this));
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rectTool_->raise();
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}
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/**
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* 功能：获得当前屏幕的大小
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*/
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const QRect &OEScreenshot::getScreenRect(void) {
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if (!desktopRect_.isEmpty()) {
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return desktopRect_;
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}
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/// 获得屏幕个数
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int temp_screen_num = QApplication::screens().size();
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/// 获得屏幕大小
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desktopRect_ = QApplication::desktop()->rect();
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if (temp_screen_num != 1) {
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/// 多屏幕策略
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const int& temp = desktopRect_.width() -
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(desktopRect_.width() / temp_screen_num);
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/// 重新设置矩形
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desktopRect_ = QRect(-temp, 0,
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desktopRect_.width(), desktopRect_.height());
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}
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return desktopRect_;
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}
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std::shared_ptr<QPixmap> OEScreenshot::initGlobalScreen(void) {
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if (backgroundScreen_.get() != nullptr) {
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return backgroundScreen_;
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}
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/// 获得屏幕原画
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std::shared_ptr<QPixmap> temp_screen = getGlobalScreen();
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/// 制作暗色屏幕背景
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QPixmap temp_dim_pix(temp_screen->width(), temp_screen->height());
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temp_dim_pix.fill((QColor(0, 0, 0, 160)));
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backgroundScreen_.reset(new QPixmap(*temp_screen));
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QPainter p(backgroundScreen_.get());
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p.drawPixmap(0, 0, temp_dim_pix);
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return backgroundScreen_;
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}
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/*
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* 获得屏幕的原画
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* 返回：QPixmap* 指针
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*/
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std::shared_ptr<QPixmap> OEScreenshot::getGlobalScreen(void) {
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if (originPainting_.get() == nullptr) {
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/// 截取当前桌面，作为截屏的背景图
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QScreen *screen = QGuiApplication::primaryScreen();
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const QRect& temp_rect = getScreenRect();
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originPainting_.reset(new QPixmap(screen->grabWindow(0, temp_rect.x(),
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temp_rect.y(), temp_rect.width(),
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temp_rect.height())));
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}
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return originPainting_;
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}
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void OEScreenshot::onEgoistic(void)
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{
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/// 窗口置顶
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#ifdef Q_OS_WIN32
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// SetWindowPos(HWND)this->winId(),HWND_TOPMOST,this->pos().x(),this->pos().y(),this->width(),this->height(),SWP_SHOWWINDOW);
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#else
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Qt::WindowFlags flags = windowFlags();
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flags |= Qt::WindowStaysOnTopHint;
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setWindowFlags(flags);
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#endif
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}
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/*
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* 初始化鼠标
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* 参数：_ico 鼠标图片的资源文件
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*/
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void OEScreenshot::initCursor(const QString& ico) {
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QPixmap pixmap;
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if (ico.isEmpty()) {
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pixmap.loadFromData(uc_mouse_image, sizeof(uc_mouse_image));
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}
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else {
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pixmap.load(ico);
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}
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QCursor cursor;
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cursor = QCursor(pixmap, 15, 23);
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setCursor(cursor);
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}
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std::shared_ptr<OEScreen> OEScreenshot::createScreen(const QPoint &pos) {
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if (screenTool_.get() == nullptr) {
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/// 创建截图器
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screenTool_.reset(new OEScreen(originPainting_, pos, this));
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/// 建立信号连接
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connect (this, SIGNAL(cursorPosChange(int,int)),
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screenTool_.get(),SLOT(onMouseChange(int,int)));
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/// 建立主界面双击保存信号关联
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connect (this, SIGNAL(doubleClick()),
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screenTool_.get(),SLOT(onSaveScreen()));
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/// 建立截图器大小关联
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connect(screenTool_.get(), SIGNAL(sizeChange(int,int)),
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rectTool_.get(), SLOT(onSizeChange(int,int)));
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connect(screenTool_.get(), SIGNAL(sizeChange(int,int)),
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amplifierTool_.get(), SLOT(onSizeChange(int,int)));
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/// 建立截图器与感知器的位置关联
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connect(screenTool_.get(), SIGNAL(postionChange(int,int)),
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rectTool_.get(), SLOT(onPostionChange(int,int)));
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/// 获得截图器当前起始位置
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startPoint_ = pos;
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isLeftPressed_ = true;
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}
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return screenTool_;
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}
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void OEScreenshot::destroyScreen() {
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if (screenTool_.get() != nullptr) {
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/// 断开信号资源
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disconnect (this, SIGNAL(doubleClick()),
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screenTool_.get(),SLOT(onSaveScreen()));
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disconnect(screenTool_.get(), SIGNAL(sizeChange(int,int)),
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rectTool_.get(), SLOT(onSizeChange(int,int)));
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disconnect(screenTool_.get(), SIGNAL(postionChange(int,int)),
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rectTool_.get(), SLOT(onPostionChange(int,int)));
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/// 清理工具
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screenTool_.reset();
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screenTool_ = nullptr;
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isLeftPressed_ = false;
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update();
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return;
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}
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}
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void OEScreenshot::mousePressEvent(QMouseEvent *e) {
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if (e->button() == Qt::LeftButton) {
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createScreen(e->pos());
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return ;
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}
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}
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void OEScreenshot::mouseReleaseEvent(QMouseEvent *e) {
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if (e->button() == Qt::RightButton) {
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if (screenTool_.get() != nullptr) {
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rectTool_->hide();
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amplifierTool_->onPostionChange(e->x(), e->y());
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amplifierTool_->show();
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return destroyScreen();
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}
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close();
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return ;
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}
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else if (isLeftPressed_ == true
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&& e->button() == Qt::LeftButton) {
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/// 选择窗口选区
|
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if (startPoint_ == e->pos()
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&& !windowRect_.isEmpty()) {
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screenTool_->setGeometry(windowRect_);
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screenTool_->show();
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windowRect_ = {};
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}
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/// 断开鼠标移动的信号
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disconnect (this, SIGNAL(cursorPosChange(int,int)),
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screenTool_.get(),SLOT(onMouseChange(int,int)));
|
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/// 隐藏放大器
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amplifierTool_->hide();
|
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/// 断开截图器的大小修改信号
|
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disconnect (screenTool_.get(), SIGNAL(sizeChange(int,int)),
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amplifierTool_.get(),SLOT(onSizeChange(int,int)));
|
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isLeftPressed_ = false;
|
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}
|
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QWidget::mouseReleaseEvent(e);
|
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}
|
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|
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void OEScreenshot::mouseMoveEvent(QMouseEvent *e) {
|
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emit cursorPosChange(e->x(), e->y());
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if (isLeftPressed_) {
|
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amplifierTool_->raise();
|
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windowRect_ = {};
|
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update();
|
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}
|
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else if (isLeftPressed_ == false
|
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&& false == OEScreen::state()){
|
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/// 霸道置顶
|
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onEgoistic();
|
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|
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/// 更新当前鼠标选中的窗口
|
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updateMouse();
|
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}
|
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QWidget::mouseMoveEvent(e);
|
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}
|
||
|
||
void OEScreenshot::paintEvent(QPaintEvent *) {
|
||
QPainter painter(this);
|
||
/// 画全屏图
|
||
painter.drawPixmap(0,0,desktopRect_.width(),
|
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desktopRect_.height(), *backgroundScreen_);
|
||
|
||
if (!windowRect_.isEmpty()) {
|
||
/// 绘制选区
|
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QPen pen = painter.pen();
|
||
pen.setColor(QColor(0,175,255));
|
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pen.setWidth(2);
|
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painter.setPen(pen);
|
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painter.drawRect(windowRect_.x(),windowRect_.y(),
|
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windowRect_.width(),windowRect_.height());
|
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painter.drawPixmap(QPoint(windowRect_.x(),windowRect_.y()),
|
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*originPainting_, windowRect_);
|
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}
|
||
}
|
||
|
||
void OEScreenshot::updateMouse(void) {
|
||
/// 获取当前鼠标选中的窗口
|
||
::EnableWindow((HWND)winId(), FALSE);
|
||
OECommonHelper::getSmallestWindowFromCursor(windowRect_);
|
||
QPoint temp_pt = mapFromGlobal(QPoint(windowRect_.x(), windowRect_.y()));
|
||
windowRect_ = QRect(temp_pt.x(), temp_pt.y(),
|
||
windowRect_.width(), windowRect_.height());
|
||
::EnableWindow((HWND)winId(), TRUE);
|
||
amplifierTool_->onSizeChange(windowRect_.width(),windowRect_.height());
|
||
emit findChildWind(windowRect_);
|
||
update();
|
||
}
|
||
|
||
void OEScreenshot::keyPressEvent(QKeyEvent *e) {
|
||
/// Esc 键退出截图;
|
||
if (e->key() == Qt::Key_Escape) {
|
||
close();
|
||
}
|
||
else {
|
||
e->ignore();
|
||
}
|
||
|
||
}
|
||
|
||
|
||
|
||
///////////////////////////////////////////////////////////
|
||
|
||
|
||
|
||
|
||
OERect::OERect(QWidget *parent) : QWidget(parent) {
|
||
|
||
/// 设置感知器默认大小
|
||
setFixedSize(95 * OECommonHelper::getWindowHeightMultiplyingPower(),
|
||
20 * OECommonHelper::getWindowHeightMultiplyingPower());
|
||
|
||
/// 填充默认背景
|
||
backgroundPixmap_.reset(new QPixmap(width(),height()));
|
||
backgroundPixmap_->fill((QColor(8, 8, 8, 160)));
|
||
|
||
/// 默认隐藏
|
||
hide();
|
||
}
|
||
|
||
|
||
void OERect::paintEvent(QPaintEvent *) {
|
||
QPainter painter(this);
|
||
painter.drawPixmap(rect(),*backgroundPixmap_);
|
||
painter.setPen(QPen(QColor(Qt::white)));
|
||
painter.drawText(rect(), Qt::AlignCenter, info_);
|
||
}
|
||
|
||
void OERect::onPostionChange(int x, int y) {
|
||
if (x < 0) x = 0;
|
||
if (y < 0) y = 0;
|
||
const int& ry = y - height() - 1;
|
||
if (ry < 0) {
|
||
this->raise();
|
||
}
|
||
move(x, ((ry < 0) ? y : ry));
|
||
show();
|
||
}
|
||
|
||
void OERect::onSizeChange(int w, int h) {
|
||
info_ = QString("%1 × %2").arg(w).arg(h);
|
||
}
|
||
|
||
|
||
|
||
|
||
///////////////////////////////////////////////////////////
|
||
|
||
|
||
|
||
|
||
|
||
OEScreen::OEScreen(std::shared_ptr<QPixmap> originPainting, QPoint pos, QWidget *parent)
|
||
: QWidget(parent), direction_(NONE), originPoint_(pos),
|
||
isPressed_(false), originPainting_(originPainting) {
|
||
menu_ = new QMenu(this);
|
||
menu_->addAction("完成截图", this, SLOT(onSaveScreen()));
|
||
menu_->addAction("保存", this, SLOT(onSaveScreenOther()));
|
||
menu_->addSeparator();
|
||
menu_->addAction("退出截图", this, SLOT(quitScreenshot()));
|
||
|
||
/// 双击即完成
|
||
connect(this, SIGNAL(doubleClick()),
|
||
this, SLOT(onSaveScreen()));
|
||
|
||
/// 开启鼠标实时追踪
|
||
setMouseTracking(true);
|
||
/// 默认隐藏
|
||
hide();
|
||
}
|
||
|
||
OEScreen::DIRECTION OEScreen::getRegion(const QPoint &cursor) {
|
||
if (!isInit_) {
|
||
return NONE;
|
||
}
|
||
OEScreen::DIRECTION ret_dir = NONE;
|
||
// left upper
|
||
QPoint pt_lu = mapToParent(rect().topLeft());
|
||
// right lower
|
||
QPoint pt_rl = mapToParent(rect().bottomRight());
|
||
|
||
int x = cursor.x();
|
||
int y = cursor.y();
|
||
|
||
/// 获得鼠标当前所处窗口的边界方向
|
||
if(pt_lu.x() + PADDING_ >= x
|
||
&& pt_lu.x() <= x
|
||
&& pt_lu.y() + PADDING_ >= y
|
||
&& pt_lu.y() <= y) {
|
||
// 左上角
|
||
ret_dir = LEFTUPPER;
|
||
this->setCursor(QCursor(Qt::SizeFDiagCursor));
|
||
} else if(x >= pt_rl.x() - PADDING_
|
||
&& x <= pt_rl.x()
|
||
&& y >= pt_rl.y() - PADDING_
|
||
&& y <= pt_rl.y()) {
|
||
// 右下角
|
||
ret_dir = RIGHTLOWER;
|
||
this->setCursor(QCursor(Qt::SizeFDiagCursor));
|
||
} else if(x <= pt_lu.x() + PADDING_
|
||
&& x >= pt_lu.x()
|
||
&& y >= pt_rl.y() - PADDING_
|
||
&& y <= pt_rl.y()) {
|
||
// 左下角
|
||
ret_dir = LEFTLOWER;
|
||
this->setCursor(QCursor(Qt::SizeBDiagCursor));
|
||
} else if(x <= pt_rl.x()
|
||
&& x >= pt_rl.x() - PADDING_
|
||
&& y >= pt_lu.y()
|
||
&& y <= pt_lu.y() + PADDING_) {
|
||
// 右上角
|
||
ret_dir = RIGHTUPPER;
|
||
this->setCursor(QCursor(Qt::SizeBDiagCursor));
|
||
} else if(x <= pt_lu.x() + PADDING_
|
||
&& x >= pt_lu.x()) {
|
||
// 左边
|
||
ret_dir = LEFT;
|
||
this->setCursor(QCursor(Qt::SizeHorCursor));
|
||
} else if( x <= pt_rl.x()
|
||
&& x >= pt_rl.x() - PADDING_) {
|
||
// 右边
|
||
ret_dir = RIGHT;
|
||
this->setCursor(QCursor(Qt::SizeHorCursor));
|
||
}else if(y >= pt_lu.y()
|
||
&& y <= pt_lu.y() + PADDING_){
|
||
// 上边
|
||
ret_dir = UPPER;
|
||
this->setCursor(QCursor(Qt::SizeVerCursor));
|
||
} else if(y <= pt_rl.y()
|
||
&& y >= pt_rl.y() - PADDING_) {
|
||
// 下边
|
||
ret_dir = LOWER;
|
||
this->setCursor(QCursor(Qt::SizeVerCursor));
|
||
}else {
|
||
// 默认
|
||
ret_dir = NONE;
|
||
this->setCursor(QCursor(Qt::SizeAllCursor));
|
||
}
|
||
return ret_dir;
|
||
}
|
||
|
||
|
||
void OEScreen::contextMenuEvent(QContextMenuEvent *) {
|
||
/// 在鼠标位置弹射出菜单栏
|
||
menu_->exec(cursor().pos());
|
||
}
|
||
|
||
void OEScreen::mouseDoubleClickEvent(QMouseEvent *e) {
|
||
if (e->button() == Qt::LeftButton) {
|
||
emit doubleClick();
|
||
e->accept();
|
||
}
|
||
}
|
||
|
||
void OEScreen::mousePressEvent(QMouseEvent *e) {
|
||
if (e->button() == Qt::LeftButton) {
|
||
isPressed_ = true;
|
||
if(direction_ != NONE) {
|
||
this->mouseGrabber();
|
||
}
|
||
/// @bug :这里可能存在问题, 不应当使用globalPos
|
||
movePos_ = e->globalPos() - pos();
|
||
}
|
||
}
|
||
|
||
void OEScreen::mouseReleaseEvent(QMouseEvent * e) {
|
||
if (e->button() == Qt::LeftButton) {
|
||
isPressed_ = false;
|
||
if(direction_ != NONE) {
|
||
setCursor(QCursor(Qt::SizeAllCursor));
|
||
}
|
||
}
|
||
}
|
||
|
||
void OEScreen::mouseMoveEvent(QMouseEvent * e) {
|
||
QPoint gloPoint = mapToParent(e->pos());
|
||
// left upper
|
||
QPoint pt_lu = mapToParent(rect().topLeft());
|
||
// left lower
|
||
QPoint pt_ll = mapToParent(rect().bottomLeft());
|
||
// right lower
|
||
QPoint pt_rl = mapToParent(rect().bottomRight());
|
||
// right upper
|
||
QPoint pt_ru = mapToParent(rect().topRight());
|
||
if(!isPressed_) {
|
||
/// 检查鼠标鼠标方向
|
||
direction_ = getRegion(gloPoint);
|
||
|
||
/// 根据方位判断拖拉对应支点
|
||
switch(direction_) {
|
||
case NONE:
|
||
case RIGHT:
|
||
case RIGHTLOWER:
|
||
originPoint_ = pt_lu;
|
||
break;
|
||
case RIGHTUPPER:
|
||
originPoint_ = pt_ll;
|
||
break;
|
||
case LEFT:
|
||
case LEFTLOWER:
|
||
originPoint_ = pt_ru;
|
||
break;
|
||
case LEFTUPPER:
|
||
case UPPER:
|
||
originPoint_ = pt_rl;
|
||
break;
|
||
case LOWER:
|
||
originPoint_ = pt_lu;
|
||
break;
|
||
}
|
||
}
|
||
else {
|
||
if(direction_ != NONE) {
|
||
const int& global_x = gloPoint.x();
|
||
/// 鼠标进行拖拉拽
|
||
switch(direction_) {
|
||
case LEFT:
|
||
return onMouseChange(global_x, pt_ll.y() + 1);
|
||
case RIGHT:
|
||
return onMouseChange(global_x, pt_rl.y() + 1);
|
||
case UPPER:
|
||
return onMouseChange(pt_lu.x(), gloPoint.y());
|
||
case LOWER:
|
||
return onMouseChange(pt_rl.x() + 1, gloPoint.y());
|
||
case LEFTUPPER:
|
||
case RIGHTUPPER:
|
||
case LEFTLOWER:
|
||
case RIGHTLOWER:
|
||
return onMouseChange(global_x, gloPoint.y());
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
else {
|
||
/// 窗口的移动
|
||
/// @bug :这里可能存在问题, 不应当使用globalPos
|
||
move(e->globalPos() - movePos_);
|
||
movePos_ = e->globalPos() - pos();
|
||
e->accept();
|
||
}
|
||
}
|
||
currentRect_ = geometry();
|
||
}
|
||
|
||
void OEScreen::moveEvent(QMoveEvent *) {
|
||
emit postionChange(x(), y());
|
||
}
|
||
|
||
void OEScreen::resizeEvent(QResizeEvent *) {
|
||
listMarker_.clear();
|
||
|
||
/// 重新计算八个锚点
|
||
// 角点
|
||
listMarker_.push_back(QPoint(0, 0));
|
||
listMarker_.push_back(QPoint(width(), 0));
|
||
listMarker_.push_back(QPoint(0, height()));
|
||
listMarker_.push_back(QPoint(width(), height()));
|
||
|
||
// 中点
|
||
listMarker_.push_back(QPoint((width() >> 1), 0));
|
||
listMarker_.push_back(QPoint((width() >> 1), height()));
|
||
listMarker_.push_back(QPoint(0, (height() >> 1)));
|
||
listMarker_.push_back(QPoint(width(), (height() >> 1)));
|
||
|
||
emit sizeChange(width(), height());
|
||
}
|
||
|
||
void OEScreen::showEvent(QShowEvent *) {
|
||
isInit_ = true;
|
||
}
|
||
|
||
void OEScreen::hideEvent(QHideEvent *) {
|
||
currentRect_ = {};
|
||
movePos_ = {};
|
||
originPoint_ = {};
|
||
isInit_ = false;
|
||
}
|
||
|
||
void OEScreen::enterEvent(QEvent *e) {
|
||
setCursor(Qt::SizeAllCursor);
|
||
QWidget::enterEvent(e);
|
||
}
|
||
|
||
void OEScreen::leaveEvent(QEvent *e) {
|
||
setCursor(Qt::ArrowCursor);
|
||
QWidget::leaveEvent(e);
|
||
}
|
||
|
||
void OEScreen::closeEvent(QCloseEvent *)
|
||
{
|
||
isInit_ = false;
|
||
}
|
||
|
||
void OEScreen::paintEvent(QPaintEvent *) {
|
||
QPainter painter(this);
|
||
/// 绘制截屏编辑窗口
|
||
painter.drawPixmap(QPoint(0,0),
|
||
*originPainting_, currentRect_);
|
||
|
||
/// 绘制边框线
|
||
QPen pen(QColor(0,174,255),2);
|
||
painter.setPen(pen);
|
||
painter.drawRect(rect());
|
||
|
||
/// 绘制八个点
|
||
//改变点的宽度
|
||
pen.setWidth(4);
|
||
pen.setColor(Qt::red);
|
||
painter.setPen(pen);
|
||
painter.drawPoints(listMarker_);
|
||
}
|
||
|
||
|
||
const QString OEScreen::getFileName(void) {
|
||
QString file_name = QDateTime::currentDateTime().toString("CSDN博客_瓯裔_yyyy-MM-dd-HH-mm-ss");
|
||
return file_name;
|
||
}
|
||
|
||
|
||
void OEScreen::onSaveScreenOther(void) {
|
||
|
||
QString fileName = QFileDialog::getSaveFileName(this, "保存图片", getFileName(), "JPEG Files (*.jpg)");
|
||
if (fileName.length() > 0) {
|
||
originPainting_->copy(currentRect_).save(fileName, "jpg");
|
||
quitScreenshot();
|
||
}
|
||
}
|
||
|
||
void OEScreen::onSaveScreen(void) {
|
||
/// 把图片放入剪切板
|
||
QClipboard *board = QApplication::clipboard();
|
||
board->setPixmap(originPainting_->copy(currentRect_));
|
||
/// 退出当前截图工具
|
||
quitScreenshot();
|
||
}
|
||
|
||
|
||
void OEScreen::quitScreenshot(void) {
|
||
close();
|
||
parentWidget()->close();
|
||
}
|
||
|
||
void OEScreen::onMouseChange(int x, int y) {
|
||
show();
|
||
if (x < 0 || y < 0) {
|
||
return;
|
||
}
|
||
const int& rx = (x >= originPoint_.x()) ? originPoint_.x() : x;
|
||
const int& ry = (y >= originPoint_.y()) ? originPoint_.y() : y;
|
||
const int& rw = abs(x - originPoint_.x());
|
||
const int& rh = abs(y - originPoint_.y());
|
||
|
||
/// 改变大小
|
||
currentRect_ = QRect(rx, ry, rw, rh);
|
||
|
||
this->setGeometry(currentRect_);
|
||
/// 改变大小后更新父窗口，防止父窗口未及时刷新而导致的问题
|
||
parentWidget()->update();
|
||
}
|