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Questions tagged [qgraphicstextitem]

The QGraphicsTextItem class, part of the Qt framework, provides a text item that you can add to a QGraphicsScene to display formatted text.

Documentation can be found here (Qt4) and here (Qt5).

64 questions
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How to make text align to center(vertical) in QGraphicsTextItem?

In my project, I am using graphic units that consist of a QGraphicsItem which contains a QGraphicsTextItem. item_text is set to position (0,0) and its width is set to the width of the rect_item. In order to center the text in the center(horizontal),…
Samantha Smith
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QGraphicsTextItem dynamic resizing

I'd like to dynamically resize a QGraphicsTextItem object and keep the text in top left corner. I've tried to tackle this problem in many ways without any success so I included the version of code which is IMO the closest to the working…
webpositive
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QGraphicsTextItem receive keypresses

import sys import random from PySide2 import QtCore, QtWidgets, QtGui # IN PROCESS class MainWindow(QtWidgets.QMainWindow): def __init__(self): super(MainWindow, self).__init__() # IN PROCESS class…
trayres
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How to add Axis features (labels, ticks, values) to a 3D plot with GLViewWidget of pyqtgraph?

I want to add axis info such as labels, ticks and values to a 3D scene created with the pyqtgraph.opengl.GLViewWidget module. There is already a very simple axis drawing option with GLAxisItem, but with this you can only control the length of the…
Luiz Tauffer
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QPropertyAnimation of a QGraphicsTextItem with a frame make the text shaky

I am animating a QGraphicsTextItem that I have added a frame around. During the animation the text seems to shake slightly inside the frame, which is very annoying. An example code: class MovingFrameText : public QGraphicsTextItem { Q_OBJECT; …
plover
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QT : QGraphicsTextItem alignment char to top-left corner

I want to draw a character aligned to the top-left corner of parent. QGraphicsTextItem * tItem = new QGraphicsTextItem(parent); tItem->setPlainText("a"); tItem->setPos(QPointF(0,0)); Picture below presents output of my code (grey rectangle is…
Newbie
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Child QGraphicsItem move event (ItemIsMovable) to its parent

How can a child QGraphicsItem move its parent item ? I set the child item's ItemIsMovable flag and when I try to move the child item, the parent item does not move, only child item moves. // child items's mouseMoveEvent void…
Baris Atamer
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Getting QGraphicsTextItem length?

Is there anyway to calculate the text's length when TextWidth = -1?. I have a rectangle that has a QGraphicsTextItem in it, and I want to change the rectangle's width when characters exceed the rectangle.
Baris Atamer
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Displaying overlayed QGraphicsItems

I have developed an application in PyQt5 that displays an image and allows the user to pan the image using the mouse and zoom using the mouse wheel. I now need to add the functionality to show popup text associated to specific parts of the displayed…
Stuart Buckingham
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How to check position of a wheelEvent within text of a QGraphicsTextItem?

I have a QGraphicsTextItem subclass that accepts mouse events (i.e. implements wheelEvent() method. How can I check on which position within the text the wheel event happened? I would like to get the letter that the mouse pointer pointed at when the…
Tadeusz A. Kadłubowski
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How to render text of QGraphicsSimpleTextItem from right to left in Qt?

I've an Object that inherits from QGraphicsRectItem and looks like schematic. i want to render the red underlined QGraphicsSimpletextItem inside the rectangle so that it renders from right to left. Is there any function in Qt that can render…
secretgenes
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How to get the signal like currentCharFormatChanged from QGraphicsTextItem variable

I am implementing a text editor by Qt. Since I added the editor to a QGraphicsScene, I chose QGraphicsTextItem to implement it. However, I want to change the status of some tool buttons(like "bold", "italic", "font", etc) when the cursor change. The…
Liya Yang
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Fetch text from unnamed QGraphicsTextItem

A friend of mine and I are currently trying to make a game in C++ using Qt. Our current problem is that we need to fetch text from a QGraphicsTextItem on a button mousePressEvent. In the game menu it is possible to choose how many players there are,…
Dromnes
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Updating a QGraphicsTextItem on text change

I’ve been working with QGraphicsTextItem. I currently have the laid out in a scene, each depicting a physical page of text. Right now I’m overriding the keyReleaseEvent function to redistribute the text typed across all of the pages. The problem…
icco
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QGraphicPixmapItem double click event does not go to parent widget while QGraphicsTextItem send

I have a main widget in Qt and this widget contains a QGraphicsView and inside it QGraphicsScene. In scene I add QGraphicsPixmapItems and QGraphicsTextItems. In main widget I handle QWidget::mouseDoubleClickEvent ( QMouseEvent * event ), my items…
Akın Yılmaz
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