Qtextdocument text color. I have tried various solutions but with no success.

Qtextdocument text color QtGui. PySide2. I found a solution with a html code in QTextDocument and it's working. So I want to get this information out of the editor->document (). Nov 9, 2019 · @eyllanesc exactly. out of the QTextDocument for each character. Jan 24, 2007 · Hi! I have a syntax highlighted QTextEdit. Here is an example. By this I mean i want the boundingRect that contains the text to have a specific color. . QTextDocument Tex Jun 18, 2014 · Basically, my GUI, before figuring out how to color the text the way it works, overlapped the colors and was unable to work with texts using independent colors. Aug 12, 2019 · I have a QTextEdit which holds some formatted text. \brief The QTextDocument class holds formatted text. property PᅟySide6. They can be created for use in a QTextEdit, or used independently. Attempt: Change the blockformat: Jan 18, 2021 · So, ideally I'd like to find an API that lets me explicitly remove a given text attribute from a QTextDocument. This would be equivalent to the Qt::BackgroundRole color. How to set a default ("body") style? Currently I use a <p> tag, like this QPainter painter(_image); QTextDocument doc; doc. " The contents is a QTextDocument. I've attempted to use Jul 31, 2010 · setDefaultTextColor(col) "Sets the color for unformatted text to col. If the text (or content in general) is wider than the specified with it is broken into multiple lines and grows vertically. Apr 5, 2019 · I want to display parts of the text of a QTableWidgetItem in different colors (a part of it should be displayed red). 233: 234 \ingroup richtext-processing: 235: 236: 237: QTextDocument is a container for structured rich text documents, providing: 238: support for styled text and various types of document elements, such as: 239: lists, tables, frames, and images. 1. QTextDocument Oct 16, 2023 · @Perdrix Sorry to come later on this. May 11, 2016 · I have a QTextEdit where the user can edit QTextDocuments. May 29, 2015 · If you hit Crtl+f in your browser and search for things, you will see that the text becomes highlighted rather than its font color changed. One way to do this would be to create a QGraphicsRectItem and put it on the back on the text, but I was wondering If there was another way to do this? Thanks for any help! Jun 23, 2023 · @Kekz said in Change color of part of the text in a QListWidgetItem:. parent is the parent of the returned text document. e. contentsChanged ¶ PySide2. The structured representation of a text document presents its contents as a hierarchy of text blocks, frames, tables, and other objects. Oct 29, 2012 · I'm trying to find a way to change the default text color of QTextDocument. Note: Changing the default style sheet does not have any effect to the existing content of the document. I think it means: "all portions of the contents of the item that have not been styled. I have tried various solutions but with no success. Alternatively, I guess I need to loop through all the spans of the QTextDocument one by one, get the char format of the current span, remove the color attributes from the format, and set the modified format back onto the span. That See full list on doc. QTextDocument. I am trying from the textCursor() method of a QPlainTextEditor and it seems practically everything is const. Note that we do not use the Link and LinkVisited roles when rendering rich text in Qt, and that we recommend that you use CSS and the QTextDocument::setDefaultStyleSheet() function to alter the appearance of links. EDIT: I was incorrect, It seems that QTextDocument can render directly to a QPainter. How do I return all text that matches a specific font size and/or font color? I have tried the QTextDocument. Is there a way to get the information: font,color. If the widget uses a different palette, then QTextDocument. The text width specifies the preferred width for text in the document. Unfortunately Richtext is not an option for me. textWidth: float #. Jul 12, 2019 · I have class class plainTextEditor: public QPlainTextEdit { Q_OBJECT public: void setTextColor(const QColor &c); // default function setTextColor(const QColor &c) from QTextEdit Additionally, you mention in your answer that you have to add the style sheet after the setting the html, however the docs for QTextDocument seem to indicate otherwise: The default style sheet is applied to all newly HTML formatted text that is inserted >into the document, for example using setHtml() or QTextCursor::insertHtml(). QTextDocument is a container for structured rich text documents, providing support for styled text and various types of document elements, such as lists, tables, frames, and images. There does not seem to be any way to partially set a backgroundRole, however, using the QTextDocument API, I can programmatically 'select' text and Mar 25, 2010 · is there a way to change the background color of a QTextBlock in a QTextDocument without using a subclass of QAbstractTextDocumentLayout. Best regards messi. May 11, 2015 · I try to draw a text on a QImage using the QTextDocument. Apr 22, 2011 · I even tried setting the !important css flag on the color value i pass like: but this failed too! myQEdit->document()->setDefaultStyleSheet(" body { color:#99ff00 !important;}"); So I decided to set the color of my QTextEdit from the designer itself - by specifying my custom color in the option to set the raw html content of the QTextEdit May 26, 2017 · But there is already a bunch of custom drawing going on making a normal QTextDocument somewhat impractical. objectForFormat() method, as an argument I provided a QTextFormat object with the property FontPointSize, but that returns None. " The documentation is not clear about what "unformatted text" means. Can it be done? Mar 28, 2013 · I want to add a QGraphicsTextItem and I want to change the color of the background. when trying to close the red tag at word 6, it would instead close the last opened "underline" tag from word 3. Mar 24, 2010 · Problem with changing block's layout directly is that it will inadvertently affect the layout of the currently active document layout (instance of the internal QAbstractTextDocumentLayout implementation) - it computes positions of QTextDocument elements only inside the documentChanged() and uses them whenever it needs to repaint or hit-test - so these things might get broken. Setting a pen with a colour of your choice on the painter in the paint event before painting might also help. I want to set the default color and font for the document, however, the format is discarded when there is no text in the doucment. Thanks for the help. Thanks. I have tried many ways and the effects are null. But there is an interesting note about this in documentation of QPalette:. Nov 11, 2014 · I need a QPushButton with two colors in the text. contentsChange (from, charsRemoved, charsAdded) ¶ Parameters: from – int. Is that possible. Found a way to make a frame around a text, found a way to draw under-over-lined text, but it looks like there is simply just no way this framework can draw a background behind text. qt. charsRemoved – int. Making words 1-5 red, 6-10 blue and words 3-7 underlined, is simple with ASCII control characters but more complicated with HTML, as the tags would be nested and I can only close the last opened tag, i. Dec 13, 2024 · Preparing the painter The painter is configured with the widget's background color and other properties. Dec 19, 2020 · QTextDocument::size() QTextDocument::idealWidth() QTextDocument::pageSize() QTextBlockFormat::lineHeight() (by iterating on all QTextBlock in the QTextDocument) All return zero because the QTextEdit and the text inside are not rendered yet. I would appreciate any tips. Apr 30, 2022 · There is a very rich framework around QTextDocument, but I can not find any way to make it color the background of some fragment of text that I would consider selected. But I need center align and the html code isn't working. Drawing the text The text content of the QTextEdit is drawn using the QPainter's drawText() function. Looks like what I need! EDIT: It is unclear how to control where and how QTextDocument or QTextLayout will draw on a QPainter. What I found is using a QStyledItemDelegate, reimplementing the paint function and display a QTextDocument that uses the the item text and added HTML. 240: They can be created for use in a Oct 22, 2020 · Cause. Text documents are represented by the QTextDocument class, which contains information about the document's internal representation, its structure, and keeps track of modifications to provide undo/redo facilities. charsAdded – int. io Apr 15, 2008 · Re: QTextDocument color You can also set a QTextFormat for each document block. If I understand it correctly, whenever some html content is added Qt automatically sets a span with an hardcoded html style attribute based on the QTextDocument char format and color (I suppose that the last one is inherited from the application palette, not that of the widget) only for anchors. Access functions: size (). This involves determining the layout of the text, handling line breaks, and applying the specified font and color settings. I have to go for plainText. Here' Creates a new QTextDocument that is a copy of this text document. You style a part of a document using a QTextCursor. drawContents() won't be enough, and a proper context must be used. Feb 22, 2022 · QTextDocument by default uses the global application palette (which might be overridden by stylesheets). The documentation of QTextDocument::setDefaultStyleSheet says:. rcxaato govod dul suag tduq pzof jbgx sqeqtslqh ivndm oqfz