Mercurial Repositories > eric / file comparison
comparison: eric6/QScintilla/MarkupProviders/ImageMarkupDialog.py
eric6/QScintilla/MarkupProviders/ImageMarkupDialog.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2017 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a dialog to enter data for an image markup. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSlot, QSize | |
| 13 from PyQt5.QtGui import QImage, QImageReader | |
| 14 from PyQt5.QtWidgets import QDialog, QDialogButtonBox | |
| 15 | |
| 16 from E5Gui.E5PathPicker import E5PathPickerModes | |
| 17 | |
| 18 from .Ui_ImageMarkupDialog import Ui_ImageMarkupDialog | |
| 19 | |
| 20 | |
| 21 class ImageMarkupDialog(QDialog, Ui_ImageMarkupDialog): | |
| 22 """ | |
| 23 Class implementing a dialog to enter data for an image markup. | |
| 24 """ | |
| 25 HtmlMode = 0 | |
| 26 MarkDownMode = 1 | |
| 27 RestMode = 2 | |
| 28 | |
| 29 def __init__(self, mode, parent=None): | |
| 30 """ | |
| 31 Constructor | |
| 32 | |
| 33 @param mode mode of the dialog | |
| 34 @type int | |
| 35 @param parent reference to the parent widget | |
| 36 @type QWidget | |
| 37 """ | |
| 38 super(ImageMarkupDialog, self).__init__(parent) | |
| 39 self.setupUi(self) | |
| 40 | |
| 41 if mode == ImageMarkupDialog.MarkDownMode: | |
| 42 self.sizeCheckBox.setEnabled(False) | |
| 43 self.aspectRatioCheckBox.setEnabled(False) | |
| 44 self.widthSpinBox.setEnabled(False) | |
| 45 self.heightSpinBox.setEnabled(False) | |
| 46 elif mode == ImageMarkupDialog.RestMode: | |
| 47 self.titleEdit.setEnabled(False) | |
| 48 | |
| 49 self.__mode = mode | |
| 50 self.__originalImageSize = QSize() | |
| 51 | |
| 52 filters = { | |
| 53 'bmp': self.tr("Windows Bitmap File (*.bmp)"), | |
| 54 'cur': self.tr("Windows Cursor File (*.cur)"), | |
| 55 'dds': self.tr("DirectDraw-Surface File (*.dds)"), | |
| 56 'gif': self.tr("Graphic Interchange Format File (*.gif)"), | |
| 57 'icns': self.tr("Apple Icon File (*.icns)"), | |
| 58 'ico': self.tr("Windows Icon File (*.ico)"), | |
| 59 'jp2': self.tr("JPEG2000 File (*.jp2)"), | |
| 60 'jpg': self.tr("JPEG File (*.jpg)"), | |
| 61 'jpeg': self.tr("JPEG File (*.jpeg)"), | |
| 62 'mng': self.tr("Multiple-Image Network Graphics File (*.mng)"), | |
| 63 'pbm': self.tr("Portable Bitmap File (*.pbm)"), | |
| 64 'pcx': self.tr("Paintbrush Bitmap File (*.pcx)"), | |
| 65 'pgm': self.tr("Portable Graymap File (*.pgm)"), | |
| 66 'png': self.tr("Portable Network Graphics File (*.png)"), | |
| 67 'ppm': self.tr("Portable Pixmap File (*.ppm)"), | |
| 68 'sgi': self.tr("Silicon Graphics Image File (*.sgi)"), | |
| 69 'svg': self.tr("Scalable Vector Graphics File (*.svg)"), | |
| 70 'svgz': self.tr("Compressed Scalable Vector Graphics File" | |
| 71 " (*.svgz)"), | |
| 72 'tga': self.tr("Targa Graphic File (*.tga)"), | |
| 73 'tif': self.tr("TIFF File (*.tif)"), | |
| 74 'tiff': self.tr("TIFF File (*.tiff)"), | |
| 75 'wbmp': self.tr("WAP Bitmap File (*.wbmp)"), | |
| 76 'webp': self.tr("WebP Image File (*.webp)"), | |
| 77 'xbm': self.tr("X11 Bitmap File (*.xbm)"), | |
| 78 'xpm': self.tr("X11 Pixmap File (*.xpm)"), | |
| 79 } | |
| 80 | |
| 81 inputFormats = [] | |
| 82 readFormats = QImageReader.supportedImageFormats() | |
| 83 for readFormat in readFormats: | |
| 84 try: | |
| 85 inputFormats.append(filters[bytes(readFormat).decode()]) | |
| 86 except KeyError: | |
| 87 pass | |
| 88 inputFormats.sort() | |
| 89 inputFormats.append(self.tr("All Files (*)")) | |
| 90 if filters["png"] in inputFormats: | |
| 91 inputFormats.remove(filters["png"]) | |
| 92 inputFormats.insert(0, filters["png"]) | |
| 93 self.imagePicker.setFilters(';;'.join(inputFormats)) | |
| 94 self.imagePicker.setMode(E5PathPickerModes.OpenFileMode) | |
| 95 | |
| 96 self.sizeCheckBox.setChecked(True) | |
| 97 self.aspectRatioCheckBox.setChecked(True) | |
| 98 | |
| 99 msh = self.minimumSizeHint() | |
| 100 self.resize(max(self.width(), msh.width()), msh.height()) | |
| 101 | |
| 102 self.__updateOkButton() | |
| 103 | |
| 104 def __updateOkButton(self): | |
| 105 """ | |
| 106 Private slot to set the state of the OK button. | |
| 107 """ | |
| 108 enable = bool(self.imagePicker.text()) | |
| 109 if self.__mode == ImageMarkupDialog.MarkDownMode: | |
| 110 enable = enable and bool(self.altTextEdit.text()) | |
| 111 | |
| 112 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(enable) | |
| 113 | |
| 114 @pyqtSlot(str) | |
| 115 def on_imagePicker_textChanged(self, address): | |
| 116 """ | |
| 117 Private slot handling changes of the image path. | |
| 118 | |
| 119 @param address image address (URL or local path) | |
| 120 @type str | |
| 121 """ | |
| 122 if address and "://" not in address: | |
| 123 image = QImage(address) | |
| 124 # load the file to set the size spin boxes | |
| 125 if image.isNull(): | |
| 126 self.widthSpinBox.setValue(0) | |
| 127 self.heightSpinBox.setValue(0) | |
| 128 self.__originalImageSize = QSize() | |
| 129 self.__aspectRatio = 1 | |
| 130 else: | |
| 131 self.widthSpinBox.setValue(image.width()) | |
| 132 self.heightSpinBox.setValue(image.height()) | |
| 133 self.__originalImageSize = image.size() | |
| 134 self.__aspectRatio = \ | |
| 135 float(self.__originalImageSize.height()) / \ | |
| 136 self.__originalImageSize.width() | |
| 137 else: | |
| 138 self.widthSpinBox.setValue(0) | |
| 139 self.heightSpinBox.setValue(0) | |
| 140 self.__originalImageSize = QSize() | |
| 141 self.__aspectRatio = 1 | |
| 142 | |
| 143 self.__updateOkButton() | |
| 144 | |
| 145 @pyqtSlot(str) | |
| 146 def on_altTextEdit_textChanged(self, txt): | |
| 147 """ | |
| 148 Private slot handling changes of the alternative text. | |
| 149 | |
| 150 @param txt alternative text | |
| 151 @type str | |
| 152 """ | |
| 153 self.__updateOkButton() | |
| 154 | |
| 155 @pyqtSlot(bool) | |
| 156 def on_sizeCheckBox_toggled(self, checked): | |
| 157 """ | |
| 158 Private slot to reset the width and height spin boxes. | |
| 159 | |
| 160 @param checked flag indicating the state of the check box | |
| 161 @type bool | |
| 162 """ | |
| 163 if checked: | |
| 164 self.widthSpinBox.setValue(self.__originalImageSize.width()) | |
| 165 self.heightSpinBox.setValue(self.__originalImageSize.height()) | |
| 166 | |
| 167 @pyqtSlot(bool) | |
| 168 def on_aspectRatioCheckBox_toggled(self, checked): | |
| 169 """ | |
| 170 Private slot to adjust the height to match the original aspect ratio. | |
| 171 | |
| 172 @param checked flag indicating the state of the check box | |
| 173 @type bool | |
| 174 """ | |
| 175 if checked and self.__originalImageSize.isValid(): | |
| 176 height = self.widthSpinBox.value() * self.__aspectRatio | |
| 177 self.heightSpinBox.setValue(height) | |
| 178 | |
| 179 @pyqtSlot(int) | |
| 180 def on_widthSpinBox_valueChanged(self, width): | |
| 181 """ | |
| 182 Private slot to adjust the height spin box. | |
| 183 | |
| 184 @param width width for the image | |
| 185 @type int | |
| 186 """ | |
| 187 if self.aspectRatioCheckBox.isChecked() and \ | |
| 188 self.widthSpinBox.hasFocus(): | |
| 189 height = width * self.__aspectRatio | |
| 190 self.heightSpinBox.setValue(height) | |
| 191 | |
| 192 @pyqtSlot(int) | |
| 193 def on_heightSpinBox_valueChanged(self, height): | |
| 194 """ | |
| 195 Private slot to adjust the width spin box. | |
| 196 | |
| 197 @param height height for the image | |
| 198 @type int | |
| 199 """ | |
| 200 if self.aspectRatioCheckBox.isChecked() and \ | |
| 201 self.heightSpinBox.hasFocus(): | |
| 202 width = height / self.__aspectRatio | |
| 203 self.widthSpinBox.setValue(width) | |
| 204 | |
| 205 def getData(self): | |
| 206 """ | |
| 207 Public method to get the entered data. | |
| 208 | |
| 209 @return tuple containing the image address, alternative text, | |
| 210 title text, flag to keep the original size, width and height | |
| 211 @rtype tuple of (str, str, str, bool, int, int) | |
| 212 """ | |
| 213 return ( | |
| 214 self.imagePicker.text(), | |
| 215 self.altTextEdit.text(), | |
| 216 self.titleEdit.text(), | |
| 217 self.sizeCheckBox.isChecked(), | |
| 218 self.widthSpinBox.value(), | |
| 219 self.heightSpinBox.value(), | |
| 220 ) |
