mirror of
https://github.com/LC044/WeChatMsg
synced 2024-11-15 14:31:18 +08:00
339 lines
12 KiB
Python
339 lines
12 KiB
Python
from PIL import Image
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from PyQt5 import QtGui
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from PyQt5.QtCore import QSize, pyqtSignal, Qt, QThread, QTimer
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from PyQt5.QtGui import QPainter, QFont, QColor, QPixmap, QPolygon
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from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QHBoxLayout, QSizePolicy, QVBoxLayout, QSpacerItem, \
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QScrollArea, QScrollBar
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class TextMessage(QLabel):
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heightSingal = pyqtSignal(int)
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def __init__(self, text, is_send=False, parent=None):
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super(TextMessage, self).__init__(text, parent)
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self.setFont(QFont('微软雅黑', 12))
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self.setWordWrap(True)
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# self.adjustSize()
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self.setMaximumWidth(800)
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self.setMinimumWidth(100)
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self.setMinimumHeight(45)
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# self.resize(QSize(100,40))
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self.setTextInteractionFlags(Qt.TextSelectableByMouse)
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self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
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# self.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Minimum)
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if is_send:
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self.setAlignment(Qt.AlignCenter | Qt.AlignRight)
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self.setStyleSheet(
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'''
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background-color:white;
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border-radius:10px;
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border-top: 10px solid white;
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border-bottom: 10px solid white;
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border-right: 10px solid white;
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border-left: 10px solid white;
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'''
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)
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else:
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self.setStyleSheet(
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'''
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background-color:#b2e281;
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border-radius:10px;
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border-top: 10px solid #b2e281;
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border-bottom: 10px solid #b2e281;
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border-right: 10px solid #b2e281;
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border-left: 10px solid #b2e281;
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'''
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)
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w = len(text) * 16 + 30
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if w < self.width():
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self.setMaximumWidth(w)
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def paintEvent(self, a0: QtGui.QPaintEvent) -> None:
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super(TextMessage, self).paintEvent(a0)
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class Triangle(QLabel):
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def __init__(self, Type, is_send=False, parent=None):
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super().__init__(parent)
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self.Type = Type
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self.is_send = is_send
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self.setFixedSize(6, 45)
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def paintEvent(self, a0: QtGui.QPaintEvent) -> None:
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super(Triangle, self).paintEvent(a0)
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if self.Type == 1:
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painter = QPainter(self)
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triangle = QPolygon()
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# print(self.width(), self.height())
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if self.is_send:
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painter.setPen(QColor('white'))
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painter.setBrush(QColor('white'))
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triangle.setPoints(0, 20, 0, 35, 6, 25)
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else:
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painter.setPen(QColor('#b2e281'))
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painter.setBrush(QColor('#b2e281'))
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triangle.setPoints(0, 25, 6, 20, 6, 35)
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painter.drawPolygon(triangle)
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class Notice(QLabel):
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def __init__(self, text, type_=3, parent=None):
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super().__init__(text, parent)
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self.type_ = type_
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self.setFont(QFont('微软雅黑', 12))
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self.setWordWrap(True)
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self.setTextInteractionFlags(Qt.TextSelectableByMouse)
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self.setAlignment(Qt.AlignCenter)
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class Avatar(QLabel):
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def __init__(self, avatar, parent=None):
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super().__init__(parent)
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if isinstance(avatar, str):
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self.setPixmap(QPixmap(avatar).scaled(45, 45))
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self.image_path = avatar
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elif isinstance(avatar, QPixmap):
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self.setPixmap(avatar.scaled(45, 45))
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self.setFixedSize(QSize(45, 45))
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class OpenImageThread(QThread):
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def __init__(self, image_path):
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super().__init__()
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self.image_path = image_path
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def run(self) -> None:
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image = Image.open(self.image_path)
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image.show()
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class ImageMessage(QLabel):
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def __init__(self, avatar, parent=None):
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super().__init__(parent)
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self.image = QLabel(self)
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if isinstance(avatar, str):
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self.setPixmap(QPixmap(avatar))
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self.image_path = avatar
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elif isinstance(avatar, QPixmap):
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self.setPixmap(avatar)
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self.setMaximumWidth(480)
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self.setMaximumHeight(720)
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self.setScaledContents(True)
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def mousePressEvent(self, event):
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if event.buttons() == Qt.LeftButton: # 左键按下
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self.open_image_thread = OpenImageThread(self.image_path)
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self.open_image_thread.start()
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class BubbleMessage(QWidget):
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def __init__(self, str_content, avatar, Type, is_send=False, parent=None):
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super().__init__(parent)
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self.isSend = is_send
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# self.set
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self.setStyleSheet(
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'''
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border:none;
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'''
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)
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layout = QHBoxLayout()
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layout.setSpacing(0)
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layout.setContentsMargins(0, 5, 5, 5)
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# self.resize(QSize(200, 50))
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self.avatar = Avatar(avatar)
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triangle = Triangle(Type, is_send)
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if Type == 1:
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self.message = TextMessage(str_content, is_send)
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# self.message.setMaximumWidth(int(self.width() * 0.6))
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else:
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self.message = ImageMessage(str_content)
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# skin_aio_friend_bubble_pressed.9
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'''
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border-image:url(./Data/截图222.png) 20 20 20 20;
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border-top: 5px transparent;
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border-bottom: 5px transparent;
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border-right: 5px transparent;
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border-left: 5px transparent;
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border-radius:10px;
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'''
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self.spacerItem = QSpacerItem(45 + 6, 45, QSizePolicy.Expanding, QSizePolicy.Minimum)
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if is_send:
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layout.addItem(self.spacerItem)
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layout.addWidget(self.message, 1)
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layout.addWidget(triangle, 0, Qt.AlignTop | Qt.AlignLeft)
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layout.addWidget(self.avatar, 0, Qt.AlignTop | Qt.AlignLeft)
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else:
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layout.addWidget(self.avatar, 0, Qt.AlignTop | Qt.AlignRight)
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layout.addWidget(triangle, 0, Qt.AlignTop | Qt.AlignRight)
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layout.addWidget(self.message, 1)
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layout.addItem(self.spacerItem)
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self.setLayout(layout)
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class ScrollAreaContent(QWidget):
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def __init__(self, parent=None):
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super().__init__(parent)
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self.adjustSize()
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class ScrollArea(QScrollArea):
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def __init__(self, parent=None):
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super().__init__(parent)
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self.setWidgetResizable(True)
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self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
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self.setStyleSheet(
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'''
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border:none;
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'''
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)
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class ScrollBar(QScrollBar):
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def __init__(self):
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super().__init__()
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self.setStyleSheet(
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'''
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QScrollBar:vertical {
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border-width: 0px;
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border: none;
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background:rgba(64, 65, 79, 0);
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width:5px;
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margin: 0px 0px 0px 0px;
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}
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QScrollBar::handle:vertical {
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background: qlineargradient(x1:0, y1:0, x2:1, y2:0,
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stop: 0 #DDDDDD, stop: 0.5 #DDDDDD, stop:1 #aaaaff);
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min-height: 20px;
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max-height: 20px;
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margin: 0 0px 0 0px;
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border-radius: 2px;
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}
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QScrollBar::add-line:vertical {
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background: qlineargradient(x1:0, y1:0, x2:1, y2:0,
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stop: 0 rgba(64, 65, 79, 0), stop: 0.5 rgba(64, 65, 79, 0), stop:1 rgba(64, 65, 79, 0));
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height: 0px;
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border: none;
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subcontrol-position: bottom;
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subcontrol-origin: margin;
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}
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QScrollBar::sub-line:vertical {
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background: qlineargradient(x1:0, y1:0, x2:1, y2:0,
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stop: 0 rgba(64, 65, 79, 0), stop: 0.5 rgba(64, 65, 79, 0), stop:1 rgba(64, 65, 79, 0));
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height: 0 px;
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border: none;
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subcontrol-position: top;
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subcontrol-origin: margin;
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}
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QScrollBar::sub-page:vertical {
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background: rgba(64, 65, 79, 0);
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}
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QScrollBar::add-page:vertical {
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background: rgba(64, 65, 79, 0);
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}
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'''
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)
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class ChatWidget(QWidget):
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def __init__(self):
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super().__init__()
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self.resize(500, 200)
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layout = QVBoxLayout()
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layout.setSpacing(0)
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self.adjustSize()
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# 生成滚动区域
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self.scrollArea = ScrollArea(self)
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scrollBar = ScrollBar()
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self.scrollArea.setVerticalScrollBar(scrollBar)
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# self.scrollArea.setGeometry(QRect(9, 9, 261, 211))
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# 生成滚动区域的内容部署层部件
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self.scrollAreaWidgetContents = ScrollAreaContent(self.scrollArea)
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self.scrollAreaWidgetContents.setMinimumSize(50, 100)
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# 设置滚动区域的内容部署部件为前面生成的内容部署层部件
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self.scrollArea.setWidget(self.scrollAreaWidgetContents)
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layout.addWidget(self.scrollArea)
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self.layout0 = QVBoxLayout()
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self.layout0.setSpacing(0)
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self.scrollAreaWidgetContents.setLayout(self.layout0)
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self.setLayout(layout)
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def add_message_item(self, bubble_message, index=1):
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if index:
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self.layout0.addWidget(bubble_message)
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else:
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self.layout0.insertWidget(0, bubble_message)
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# self.set_scroll_bar_last()
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def set_scroll_bar_last(self):
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self.scrollArea.verticalScrollBar().setValue(
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self.scrollArea.verticalScrollBar().maximum()
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)
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def set_scroll_bar_value(self, val):
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self.verticalScrollBar().setValue(val)
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def verticalScrollBar(self):
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return self.scrollArea.verticalScrollBar()
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def update(self) -> None:
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super().update()
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self.scrollAreaWidgetContents.adjustSize()
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self.scrollArea.update()
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# self.scrollArea.repaint()
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# self.verticalScrollBar().setMaximum(self.scrollAreaWidgetContents.height())
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class Test(QWidget):
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def __init__(self):
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super().__init__()
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layout = QVBoxLayout()
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self.resize(500, 600)
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self.w1 = ChatWidget()
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bm1 = BubbleMessage(
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'你好啊噜啦噜啦嘞绿噜啦噜啦嘞绿绿噜啦噜啦嘞绿绿绿噜啦噜啦嘞绿绿绿绿',
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"D:\Project\Python\PyQt-master\QLabel\Data\\fg1.png",
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Type=1,
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)
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self.w1.add_message_item(bm1)
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self.w1.verticalScrollBar().valueChanged.connect(self.value)
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for i in range(10):
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txt = '''在工具中单击边缘可以添加黑点，单击可以删掉黑点，拖动可以调整黑点长度。勾选等选项可以查看内容、缩放等区域右侧可预览不同拉伸情况下的效果，拖动可以调整预览的拉伸比例'''
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avatar = '../data/icons/default_avatar.svg'
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bubble_message = BubbleMessage(txt, avatar, Type=1, is_send=False)
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# print(bubble_message.height(), '高度')
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self.w1.add_message_item(bubble_message, 0)
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print('滚动条最大值', self.w1.verticalScrollBar().maximum())
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w2 = QLabel("nihao")
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layout.addWidget(self.w1)
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layout.addWidget(w2)
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self.setLayout(layout)
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# 使用 QTimer 延迟更新滚动条
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QTimer.singleShot(0, lambda: self.w1.update())
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print('滚动条最大值001', self.w1.verticalScrollBar().value())
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self.w1.verticalScrollBar().setValue(100)
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# self.w1.update()
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def value(self, val):
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print('pos:', val)
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print('滚动条最大值', self.w1.verticalScrollBar().maximum())
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if __name__ == '__main__':
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app = QApplication([])
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widget = Test()
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widget.w1.update()
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# widget = MyWidget()
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widget.w1.verticalScrollBar().setValue(200)
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print('滚动条最大值002', widget.w1.verticalScrollBar().maximum())
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widget.show()
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# QThread.sleep(2)
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widget.w1.verticalScrollBar().setValue(200)
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# widget.w1.verticalScrollBar().setValue(200)
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# widget.w1.verticalScrollBar().setValue(200)
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app.exec_()
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