#include?“DragZoomWindow.h“
#include?“ui_DragZoomWindow.h“

DragZoomWindow::DragZoomWindow（QWidget?*parent）?:
????QWidget（parent）
????ui（new?Ui::DragZoomWindow）
{
????ui->setupUi（this）;

????//去掉窗體邊框
????this->setWindowFlags（Qt::framelessWindowHint）;

????this->setMouseTracking（true）;?//開啟鼠標追蹤

????isLeftPressDown_?=?false;
????this->window_dir_?=?NONE;
}

DragZoomWindow::~DragZoomWindow（）
{
????delete?ui;
}

void?DragZoomWindow::region（const?QPoint?&cursorGlobalPoint）
{
????//?獲取窗體在屏幕上的位置區域，tl為topleft點，rb為rightbottom點
????QRect?rect?=?this->rect（）;
????QPoint?tl?=?mapToGlobal（rect.topLeft（））;
????QPoint?rb?=?mapToGlobal（rect.bottomRight（））;

????int?x?=?cursorGlobalPoint.x（）;
????int?y?=?cursorGlobalPoint.y（）;

????if（tl.x（）?+?PADDING?>=?x?&&?tl.x（）?<=?x?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-03-06?11:49??DragZoomWindow\
?????文件????????5598??2019-03-06?11:33??DragZoomWindow\DragZoomWindow.cpp
?????文件?????????964??2019-03-06?11:36??DragZoomWindow\DragZoomWindow.h
?????文件????????1041??2019-03-06?11:31??DragZoomWindow\DragZoomWindow.pro
?????文件????????1588??2019-03-06?11:43??DragZoomWindow\DragZoomWindow.ui
?????文件?????????191??2019-03-06?11:31??DragZoomWindow\main.cpp