Helpviewer/SearchWidget.py

Fri, 18 Oct 2013 23:00:41 +0200

author
T.Rzepka <Tobias.Rzepka@gmail.com>
date
Fri, 18 Oct 2013 23:00:41 +0200
branch
Py2 comp.
changeset 3057
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parent 2525
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parent 2999
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child 3145
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permissions
-rw-r--r--

Merge with default branch after shorten the code lines to max. 79 characters.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2013 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing the search bar for the web browser.
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8 """
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9
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10 from __future__ import unicode_literals # __IGNORE_WARNING__
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11
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12 from PyQt4.QtCore import pyqtSlot, Qt
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13 from PyQt4.QtGui import QWidget, QPalette, QBrush, QColor
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14 from PyQt4.QtWebKit import QWebPage
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16 from .Ui_SearchWidget import Ui_SearchWidget
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18 import UI.PixmapCache
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20
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21 class SearchWidget(QWidget, Ui_SearchWidget):
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22 """
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23 Class implementing the search bar for the web browser.
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24 """
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25 def __init__(self, mainWindow, parent=None):
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26 """
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27 Constructor
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28
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29 @param mainWindow reference to the main window (QMainWindow)
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30 @param parent parent widget of this dialog (QWidget)
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31 """
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32 super(SearchWidget, self).__init__(parent)
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33 self.setupUi(self)
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34
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35 self.__mainWindow = mainWindow
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36
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37 self.wrapCheckBox.setChecked(True)
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38 self.closeButton.setIcon(UI.PixmapCache.getIcon("close.png"))
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39 self.findPrevButton.setIcon(UI.PixmapCache.getIcon("1leftarrow.png"))
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40 self.findNextButton.setIcon(UI.PixmapCache.getIcon("1rightarrow.png"))
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41
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42 self.__defaultBaseColor = \
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43 self.findtextCombo.lineEdit().palette().color(QPalette.Base)
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44 self.__defaultTextColor = \
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45 self.findtextCombo.lineEdit().palette().color(QPalette.Text)
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46
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47 self.findHistory = []
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48 self.havefound = False
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49 self.__findBackwards = False
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50
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51 self.findtextCombo.lineEdit().returnPressed.connect(
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52 self.__findByReturnPressed)
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53 self.findtextCombo.lineEdit().textEdited.connect(
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54 self.__searchTextEdited)
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55
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56 if hasattr(QWebPage, "HighlightAllOccurrences"):
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57 self.highlightAllCheckBox.setChecked(True)
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58 else:
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59 self.highlightAllCheckBox.setVisible(False)
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60
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61 def on_findtextCombo_editTextChanged(self, txt):
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62 """
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63 Private slot to enable/disable the find buttons.
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64
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65 @param txt text of the combobox (string)
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66 """
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67 self.findPrevButton.setEnabled(txt != "")
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68 self.findNextButton.setEnabled(txt != "")
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69
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70 def __searchTextEdited(self, txt):
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71 """
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72 Private slot to perform an incremental search.
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73
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74 @param txt current text of the search combos line edit (string)
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75 (unused)
381
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76 """
376
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77 self.on_highlightAllCheckBox_toggled(True)
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78 self.__findNextPrev()
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79
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80 def __findNextPrev(self):
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81 """
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82 Private slot to find the next occurrence of text.
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83 """
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84 self.infoLabel.clear()
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85 self.__setFindtextComboBackground(False)
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86
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87 if not self.findtextCombo.currentText():
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88 return
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89
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90 if not self.__mainWindow.currentBrowser().findNextPrev(
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91 self.findtextCombo.currentText(),
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92 self.caseCheckBox.isChecked(),
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93 self.__findBackwards,
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94 self.wrapCheckBox.isChecked(),
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95 False):
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96 self.infoLabel.setText(self.trUtf8("Expression was not found."))
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97 self.__setFindtextComboBackground(True)
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98
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99 @pyqtSlot(bool)
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100 def on_highlightAllCheckBox_toggled(self, checked):
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101 """
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102 Private slot to toggle the highlight of all occurrences.
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103
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104 @param checked flag indicating the check box toggle state (boolean)
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105 """
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106 cbr = self.__mainWindow.currentBrowser()
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107 if cbr is None:
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108 return
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109 cbr.findNextPrev(
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110 "", False, False, False, True)
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111 if self.highlightAllCheckBox.isChecked():
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112 cbr.findNextPrev(
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113 self.findtextCombo.currentText(),
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114 self.caseCheckBox.isChecked(),
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115 False, False, True)
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116
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117 @pyqtSlot()
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118 def on_findNextButton_clicked(self):
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119 """
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120 Private slot to find the next occurrence.
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121 """
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122 txt = self.findtextCombo.currentText()
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123
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124 # This moves any previous occurrence of this statement to the head
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
125 # of the list and updates the combobox
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
126 if txt in self.findHistory:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
127 self.findHistory.remove(txt)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
128 self.findHistory.insert(0, txt)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
129 self.findtextCombo.clear()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
130 self.findtextCombo.addItems(self.findHistory)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
131
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
132 self.__findBackwards = False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
133 self.__findNextPrev()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 def findNext(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137 Public slot to find the next occurrence.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138 """
376
0c4c359c4870 Added option to highlight all occurences to the web browser search widget.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 359
diff changeset
139 if not self.havefound or not self.findtextCombo.currentText():
0c4c359c4870 Added option to highlight all occurences to the web browser search widget.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 359
diff changeset
140 self.showFind()
0c4c359c4870 Added option to highlight all occurences to the web browser search widget.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 359
diff changeset
141 return
0c4c359c4870 Added option to highlight all occurences to the web browser search widget.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 359
diff changeset
142
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
143 self.on_findNextButton_clicked()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 @pyqtSlot()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
146 def on_findPrevButton_clicked(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
147 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148 Private slot to find the previous occurrence.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
149 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
150 txt = self.findtextCombo.currentText()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152 # This moves any previous occurrence of this statement to the head
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 # of the list and updates the combobox
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
154 if txt in self.findHistory:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
155 self.findHistory.remove(txt)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 self.findHistory.insert(0, txt)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157 self.findtextCombo.clear()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
158 self.findtextCombo.addItems(self.findHistory)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
160 self.__findBackwards = True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
161 self.__findNextPrev()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163 def findPrevious(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165 Public slot to find the previous occurrence.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 """
376
0c4c359c4870 Added option to highlight all occurences to the web browser search widget.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 359
diff changeset
167 if not self.havefound or not self.findtextCombo.currentText():
0c4c359c4870 Added option to highlight all occurences to the web browser search widget.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 359
diff changeset
168 self.showFind()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 359
diff changeset
169 return
0c4c359c4870 Added option to highlight all occurences to the web browser search widget.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 359
diff changeset
170
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
171 self.on_findPrevButton_clicked()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
172
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
173 def __findByReturnPressed(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174 """
2999
28c75409a78f Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2954
diff changeset
175 Private slot to handle the returnPressed signal of the findtext
28c75409a78f Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2954
diff changeset
176 combobox.
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
177 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
178 if self.__findBackwards:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179 self.on_findPrevButton_clicked()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181 self.on_findNextButton_clicked()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183 def showFind(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
185 Public method to display this dialog.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
187 self.havefound = True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 self.__findBackwards = False
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
190 self.findtextCombo.clear()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191 self.findtextCombo.addItems(self.findHistory)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
192 self.findtextCombo.setEditText('')
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
193 self.findtextCombo.setFocus()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
194
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
195 self.caseCheckBox.setChecked(False)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
197 if self.__mainWindow.currentBrowser().hasSelection():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
198 self.findtextCombo.setEditText(
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
199 self.__mainWindow.currentBrowser().selectedText())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
201 self.__setFindtextComboBackground(False)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
202 self.show()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 @pyqtSlot()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205 def on_closeButton_clicked(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
206 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 Private slot to close the widget.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
208 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 self.close()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
210
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
211 def keyPressEvent(self, event):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 Protected slot to handle key press events.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
214
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
215 @param event reference to the key press event (QKeyEvent)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
216 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217 if event.key() == Qt.Key_Escape:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
218 cb = self.__mainWindow.currentBrowser()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
219 if cb:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
220 cb.setFocus(Qt.ActiveWindowFocusReason)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
221 event.accept()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 self.close()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 def __setFindtextComboBackground(self, error):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
225 """
2999
28c75409a78f Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2954
diff changeset
226 Private slot to change the findtext combo background to indicate
28c75409a78f Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2954
diff changeset
227 errors.
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 @param error flag indicating an error condition (boolean)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 le = self.findtextCombo.lineEdit()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 p = le.palette()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233 if error:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 p.setBrush(QPalette.Base, QBrush(QColor("#FF6666")))
359
679fa2357b0c Changed text color of the web browser search entry.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 13
diff changeset
235 p.setBrush(QPalette.Text, QBrush(QColor("#000000")))
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 p.setBrush(QPalette.Base, self.__defaultBaseColor)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 p.setBrush(QPalette.Text, self.__defaultTextColor)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 le.setPalette(p)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
240 le.update()

eric ide

mercurial