PyQt5實現仿QQ貼邊隱藏功能的例項程式碼
阿新 • • 發佈:2020-05-25
此程式大致功能為:可變換顏色,貼邊隱藏。
變換顏色思路
QPalette( [ˈpælət] 調色盤)類相當於對話方塊或控制元件的調色盤,它管理著控制元件或窗體的所有顏色資訊,每個窗體或控制元件都包含一個QPalette物件,在顯示時按照它的QPalette物件中對各部分各狀態下的顏色的描述來進行繪製。
實現程式碼
def Painting(self): color = random.choice(["CCFFFF","CC6699","CC99FF","99CCFF"]) palette1 = QPalette() palette1.setColor(self.backgroundRole(),QColor("#{}".format(color))) # 改變窗體顏色 self.setPalette(palette1)
貼邊隱藏思路
可以判斷視窗的位置,當與邊緣的距離小於某值時,再判斷滑鼠是否在視窗,判斷是否隱藏視窗;
根據隱藏視窗的隱藏位置,獲得某塊區域,當滑鼠在這個位置時,顯示視窗。
實現程式碼
滑鼠進入事件,呼叫hide_or_show判斷是否該顯示
def enterEvent(self,event): self.hide_or_show('show',event)
滑鼠離開事件,呼叫hide_or_show判斷是否該隱藏
def leaveEvent(self,event): self.hide_or_show('hide',event)
滑鼠點選事件
def mousePressEvent(self,event): if event.button() == Qt.LeftButton: self.dragPosition = event.globalPos() - self.frameGeometry( ).topLeft() QApplication.postEvent(self,QEvent(174)) event.accept()
捕捉滑鼠移動事件
def mouseMoveEvent(self,event): if event.buttons() == Qt.LeftButton: try: self.move(event.globalPos() - self.dragPosition) event.accept() except:pass
判斷是否該隱藏
def hide_or_show(self,mode,event): pos = self.frameGeometry().topLeft() if mode == 'show' and self.moved: if pos.x() + WINDOW_WEIGHT >= SCREEN_WEIGHT: # 右側顯示 self.startAnimation(SCREEN_WEIGHT - WINDOW_WEIGHT + 2,pos.y()) event.accept() self.moved = False elif pos.x() <= 0: # 左側顯示 self.startAnimation(0,pos.y()) event.accept() self.moved = False elif pos.y() <= 0: # 頂層顯示 self.startAnimation(pos.x(),0) event.accept() self.moved = False elif mode == 'hide': if pos.x() + WINDOW_WEIGHT >= SCREEN_WEIGHT: # 右側隱藏 self.startAnimation(SCREEN_WEIGHT - 2,pos.y()) event.accept() self.moved = True elif pos.x() <= 2: # 左側隱藏 self.startAnimation(2 - WINDOW_WEIGHT,pos.y()) event.accept() self.moved = True elif pos.y() <= 2: # 頂層隱藏 self.startAnimation(pos.x(),2 - WINDOW_HEIGHT) event.accept() self.moved = True
將劃入劃出作為屬性動畫
def startAnimation(self,width,height): animation = QPropertyAnimation(self,b"geometry",self) startpos = self.geometry() animation.setDuration(200) newpos = QRect(width,height,startpos.width(),startpos.height()) animation.setEndValue(newpos) animation.start()
完整程式碼
import sys,random from PyQt5.QtGui import QPalette,QColor from PyQt5.QtWidgets import QWidget,QVBoxLayout,QPushButton,\ QDesktopWidget,QApplication from PyQt5.QtCore import Qt,QRect,QEvent,QPoint from PyQt5.Qt import QCursor,QPropertyAnimation SCREEN_WEIGHT = 1920 SCREEN_HEIGHT = 1080 WINDOW_WEIGHT = 300 WINDOW_HEIGHT = 600 class Ui_Form(QWidget): def __init__(self): self.moved = False super(Ui_Form,self).__init__() self.setupUi() self.resize(WINDOW_WEIGHT,WINDOW_HEIGHT) self.show() def setupUi(self): self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint | Qt.Tool) # 去掉標題欄 self.widget = QWidget() self.Layout = QVBoxLayout(self.widget) self.Layout.setContentsMargins(0,0) self.setLayout(self.Layout) self.setWindowFlag(Qt.Tool) self.main_widget = QWidget() self.Layout.addWidget(self.main_widget) self.paint = QPushButton(self.main_widget) self.paint.setText("改變顏色") self.paint.move(QPoint(120,200)) self.paint.clicked.connect(self.Painting) self.exit = QPushButton(self.main_widget) self.exit.setText(" 退出 ") self.exit.move(QPoint(120,400)) self.exit.clicked.connect(lambda:exit(0)) self.setStyleSheet(''' QPushButton { color: rgb(137,221,255); background-color: rgb(37,121,255); border-style:none; border:1px solid #3f3f3f; padding:5px; min-height:20px; border-radius:15px; } ''') def Painting(self): color = random.choice(["CCFFFF",QColor("#{}".format(color))) # 改變窗體顏色 self.setPalette(palette1) def enterEvent(self,event) def leaveEvent(self,event) def mousePressEvent(self,QEvent(174)) event.accept() def mouseMoveEvent(self,event): if event.buttons() == Qt.LeftButton: try: self.move(event.globalPos() - self.dragPosition) event.accept() except:pass #def mouseReleaseEvent(self,event): #self.moved = True #self.hide_or_show('show',event) def hide_or_show(self,2 - WINDOW_HEIGHT) event.accept() self.moved = True def startAnimation(self,startpos.height()) animation.setEndValue(newpos) animation.start() if __name__ == "__main__": app = QApplication(sys.argv) ui = Ui_Form() sys.exit(app.exec_())
總結
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