Mercurial Repositories > eric / file comparison
comparison: src/eric7/Snapshot/SnapshotTimer.py
src/eric7/Snapshot/SnapshotTimer.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8881
- 54e42bc2437a
- child 9221
- bf71ee032bb4
equal
deleted
inserted
replaced
| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the snapshot timer widget. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import pyqtSignal, Qt, QTimer, QRect | |
| 11 from PyQt6.QtGui import QPainter, QPalette | |
| 12 from PyQt6.QtWidgets import QWidget, QApplication, QToolTip | |
| 13 | |
| 14 | |
| 15 class SnapshotTimer(QWidget): | |
| 16 """ | |
| 17 Class implementing the snapshot timer widget. | |
| 18 | |
| 19 @signal timeout() emitted after the timer timed out | |
| 20 """ | |
| 21 timeout = pyqtSignal() | |
| 22 | |
| 23 def __init__(self): | |
| 24 """ | |
| 25 Constructor | |
| 26 """ | |
| 27 super().__init__(None) | |
| 28 | |
| 29 self.setWindowFlags( | |
| 30 Qt.WindowType.WindowStaysOnTopHint | | |
| 31 Qt.WindowType.FramelessWindowHint | | |
| 32 Qt.WindowType.X11BypassWindowManagerHint | |
| 33 ) | |
| 34 | |
| 35 self.__timer = QTimer() | |
| 36 self.__textRect = QRect() | |
| 37 self.__time = 0 | |
| 38 self.__length = 0 | |
| 39 self.__toggle = True | |
| 40 | |
| 41 # text is taken from paintEvent with maximum number plus some margin | |
| 42 try: | |
| 43 fmWidth = self.fontMetrics().horizontalAdvance(self.tr( | |
| 44 "Snapshot will be taken in %n seconds", "", 99)) | |
| 45 except AttributeError: | |
| 46 fmWidth = self.fontMetrics().width(self.tr( | |
| 47 "Snapshot will be taken in %n seconds", "", 99)) | |
| 48 self.resize(fmWidth + 6, self.fontMetrics().height() + 4) | |
| 49 | |
| 50 self.__timer.timeout.connect(self.__bell) | |
| 51 | |
| 52 def start(self, seconds): | |
| 53 """ | |
| 54 Public method to start the timer. | |
| 55 | |
| 56 @param seconds timeout value (integer) | |
| 57 """ | |
| 58 screenGeom = QApplication.screens()[0].geometry() | |
| 59 self.move(screenGeom.width() // 2 - self.size().width() // 2, | |
| 60 screenGeom.top()) | |
| 61 self.__toggle = True | |
| 62 self.__time = 0 | |
| 63 self.__length = seconds | |
| 64 self.__timer.start(1000) | |
| 65 self.show() | |
| 66 | |
| 67 def stop(self): | |
| 68 """ | |
| 69 Public method to stop the timer. | |
| 70 """ | |
| 71 self.setVisible(False) | |
| 72 self.hide() | |
| 73 self.__timer.stop() | |
| 74 | |
| 75 def __bell(self): | |
| 76 """ | |
| 77 Private slot handling timer timeouts. | |
| 78 """ | |
| 79 if self.__time == self.__length - 1: | |
| 80 self.hide() | |
| 81 else: | |
| 82 if self.__time == self.__length: | |
| 83 self.__timer.stop() | |
| 84 self.timeout.emit() | |
| 85 | |
| 86 self.__time += 1 | |
| 87 self.__toggle = not self.__toggle | |
| 88 self.update() | |
| 89 | |
| 90 def paintEvent(self, evt): | |
| 91 """ | |
| 92 Protected method handling paint events. | |
| 93 | |
| 94 @param evt paint event (QPaintEvent) | |
| 95 """ | |
| 96 painter = QPainter(self) | |
| 97 | |
| 98 if self.__time < self.__length: | |
| 99 pal = QToolTip.palette() | |
| 100 textBackgroundColor = pal.color(QPalette.ColorGroup.Active, | |
| 101 QPalette.ColorRole.Base) | |
| 102 if self.__toggle: | |
| 103 textColor = pal.color(QPalette.ColorGroup.Active, | |
| 104 QPalette.ColorRole.Text) | |
| 105 else: | |
| 106 textColor = pal.color(QPalette.ColorGroup.Active, | |
| 107 QPalette.ColorRole.Base) | |
| 108 painter.setPen(textColor) | |
| 109 painter.setBrush(textBackgroundColor) | |
| 110 helpText = self.tr("Snapshot will be taken in %n seconds", "", | |
| 111 self.__length - self.__time) | |
| 112 textRect = painter.boundingRect( | |
| 113 self.rect().adjusted(2, 2, -2, -2), | |
| 114 Qt.AlignmentFlag.AlignHCenter | Qt.TextFlag.TextSingleLine, | |
| 115 helpText) | |
| 116 painter.drawText( | |
| 117 textRect, | |
| 118 Qt.AlignmentFlag.AlignHCenter | Qt.TextFlag.TextSingleLine, | |
| 119 helpText) | |
| 120 | |
| 121 def enterEvent(self, evt): | |
| 122 """ | |
| 123 Protected method handling the mouse cursor entering the widget. | |
| 124 | |
| 125 @param evt enter event (QEvent) | |
| 126 """ | |
| 127 screenGeom = QApplication.screens()[0].geometry() | |
| 128 if self.x() == screenGeom.left(): | |
| 129 self.move( | |
| 130 screenGeom.x() + | |
| 131 (screenGeom.width() // 2 - self.size().width() // 2), | |
| 132 screenGeom.top()) | |
| 133 else: | |
| 134 self.move(screenGeom.topLeft()) |
