Qtreewidget resize column to contents column may be -1, in which case no sort indicator will be shown and the model will return to its natural, unsorted order. Nov 13, 2013 · I'd like to manage width of my columns in a table personally, but after resizing them from the code, I cannot figure out a way to prevent user from resizing them manually. ResizeMode. Jan 7, 2012 · //given a QtableWidget* called x int previous_width= x->horizontalHeader()->width();//get the width //the width is relating to all the columns including the vertical headers int previous_length=x->horizontalHeader()->length();//and the length // the length is relating to all the columns excluding the size of the vertical headers int vertical Sep 5, 2018 · Currently I am having an issue in setting a 'fixed' width for the QTreeView where I am trying to capture/ fit the width based on the longest length within the hierarchy. Rest of the 4 columns might as well be interactive only. 8) will proportionally change the column widths to the width of the QTableView. Registration is fast, simple and absolutely free so please, join our community today ! Jun 3, 2013 · I'm using a QTableWidget, but I'm looking for a way to dynamically resize the columns to fit the widget base width. Jun 25, 2007 · Earlier i was using Qt 4. Applications. This class is based on Qt’s Model/View architecture and uses a default model to hold items, each of which is a QTreeWidgetI Apr 9, 2021 · Note that the issue is also present even without resizing columns (or rows) to contents, the problem is always present whenever at least two sections are visible and don't fit the view, causing the scroll bar to show. Apr 1, 2019 · I pragrammaticaly create a QTreeWidget. When some change happens which need a resize of columns do the resize. The QTreeWidget class is a convenience class that provides a standard tree widget with a classic item-based interface similar to that used by the QListView class in Qt 3. But need help with just setting the minimum/default width to the column so that when table is created the column size should be fixed and when user tries to reduce size of column it cannot be reduced beyond the fixed size. Return type: str. An example code below creates a simple QTreeWidget with 10 rows and 2 columns. the column should be wide enough to show the biggest item completely, but no wider. 2. I want MyDialog to be just wide enough to display all six columns of MyTable (i. Dec 18, 2014 · Problem I am facing is that all the four columns of QTreeWidget are not visible when the GUI opens. Sep 22, 2017 · You can not set the width of the rightmost column because it is stretched to satisfy the minimum width of the width. Aug 27, 2018 · MyTable has six columns that seem to resize themselves based on the contents of the rows (good!). Jul 3, 2015 · # switch off "default" editing behaviour # as it does not allow to configure only an individual # column as editable self. So once you get the size you can emit a signal to the dialog to resize itself. Sep 13, 2007 · I'm developing an embedded application using qtopia core (which is functionally identical to qt4), and I don't want the user to be able to resize a column of my QTreeWidget. statTable. One way of setting the row height is to write a delegate and override sizeHint() function where you can specify the width and height for the row. Just like windows' listview controls behave when double clicking between their header items. Qt. sizeHintForColumn(0)) If you don't want to force minimum width, then subclass and provide this as the size hint instead. Instead I would like the last column and its header to maintain its fixed size and column 6 would resize instead. Step 2: Then I connect the headerview's sectionResized to a new function to handle resizing of the columns. Jan 25, 2012 · ui->treeWidgetInjections->setColumnWidth(i, minimumWidth()); ui->treeWidgetInjections->resizeColumnToContents(i); ui->treeWidgetInjections->header()->ResizeToContents; ui->treeWidgetInjections->header()->resizeSection(i, minimumWidth()); All of these are in the end of of my build Function (unrelated info removed): Apr 1, 2015 · void QTreeView::resizeColumnToContents(int column) It's a slot, so when you add data, call it and it will do it for you ;-) Apr 26, 2025 · This function automatically adjusts the width of a specified column in a QTreeView to perfectly fit the contents of the widest item within that column. This signal is emitted when the mouse cursor enters an item over the specified column. setColumnCount(column_count) # If this tree now contains more than one column, permit the last such # column's content to automatically resize to the width of the viewport. i. Resize is blocked after that. Dec 4, 2013 · @YevheniiMamontov: My solution provides automatic resize of the columns based on it's contents and on the rules for resizing each column. Stretch) Remember to import QHeaderView from PyQt5. This might affect performance if a lot of rows are displayed. resize itself to the width of MyTable). Sep 12, 2020 · You have to update the maximum height of the widget, based on its contents. A possible solution is to subclass the table, override the resizeEvent() and call setOffsetToLastSection() whenever required. Dec 13, 2023 · It has fixed 3 columns. This not documented, so normally it shouldn't be relied upon. Apr 22, 2021 · A nice feature of QListView and QTreeView is that the user can adapt the width of the columns using the mouse. By FaS in forum Qt Programming Replies: 9 Last Post: 2nd July 2006, 20:48. Override updateGeometries() in a QTreeWidget subclass. If you want the column to always match the content within it then set the resize mode to QHeaderView::ResizeToContents. firstVisibleBlock()) and if text's height changes i resize editor size and need row in QTreeWidget also resizing. Isn't there something else? Jun 14, 2011 · sizeHintForColumn() will give you the max size over all items, so you can resize the widget like this: list. The size cannot be changed by the user or Apr 27, 2006 · If this is your first visit, be sure to check out the FAQ by clicking the link above. The first column contains item's index as text and the second column contains a QLabel with same text, respectively. View Profile View Forum Posts View Articles Jan 7, 2015 · The second option is to have 2 columns but I didn't found a way to have the second column fixed width and the first column stretch correctly. 5 and now I want to set the width of the treeWidget. QTreeView::resizeColumnToContents() calculates the minimum width required to display all the items in the specified column comfortably. sortByColumn (column, order) # Parameters: column – int. I could use resize columns to content,but I want the table without the white empty white space around the table,after the resize. item1->setSizeHint(0, QSize(myWidth, myHeight) ); myLabel1->resize(myWidth, myHeight); everething is ok but the row of myLabel2 mis adjusting to label by position. This function is called whenever column's size is changed in the header. Connect to the signals which get emitted on a change in the value of a column and do the resize everytime that happens. Before items can be added to the tree widget, the number of columns must be set with setColumnCount(). Feb 9, 2006 · I might have found a bug in Qt 4. NoEditTriggers) # to be able to decide on your own whether a particular item # can be edited, connect e. resize_columns_to_contents = True Alternately, perhaps a plugin config for user to manually specify initial column widths (see example below), which can be used once at start-up via treeview. Nov 4, 2014 · Using a QTreeWidget with 2 columns it's possible to resize the column to see more of less of it's content. Returns the “What’s This?” help for the contents of the given column. When the user manually resizes the width of a column (double clicking or dragging the section header), from then on the width of that particular column will remain fixed while the other columns proportionally fill the remaining space. Sep 2, 2014 · I created a treewidget and added three column to it. ) 用户可以重新调整表头的大小，也可以使用resizeSection()重新调整表头的大小。 QHeaderView::Fixed. Instead, the left column(s) can have their size set. Mar 3, 2009 · 1) I need to wrap the table column header into two rows. setup_table() ? Apr 18, 2020 · Many times, the qTreeWidget column width is just Too small. Aug 5, 2016 · But this does not work as expected for 1st column. Dec 12, 2017 · The problem is that the resize mode is applied to all the sections uniformly. QTreeWidget::setItemWidget(), which was introduced in Qt 4. resizeColumnToContents - 1 examples found. Hope it helps you. Feb 24, 2013 · I am trying to make a QTreeView automatically resize to its contents. A problem with that, however, is what to do if Configure the QTreeWidget to have two columns, one for the item name, and the other for item type information of the files in the project directories. I want to give the first column 20% width and the second column 80% width. As in your case you only want to reduce the height of the widget, we must set the minimum height with minimumHeight(), instead the width we set it with the recommended value with the help of the function sizeHint(). tl;dr: set the column width after you set the model. g. QTreeWidgetItem has a method setIcon(). Tool | Qt. In your case, using a combination of resize modes: QHeaderView::Stretch for expanding columns and QHeaderView::Fixed for those with fixed width. The function resizeColumnToContents(column) resizes the column to fit the contents that are displaying, but it will only grow when the width increases (will not shrink when the width decreases), therefore we have to reset the width of the column and stretch it to fit the contents. connect(self May 27, 2021 · I have a QTreeWidget where the TopLevelIteps are replaced by a custom widget. 28th June 2011, Resize QTreeWidget columns to contents. Function resizeColumnToContents(int column) Jul 1, 2006 · As said int the title, I simply want to resize the column widths in a QTreeWidget to fit to the contents. Is there anybody know how to do and help me with this? Thank you. Tags for this Thread. The number of columns in use can be found with the columnCount() function. All six columns cannot be displayed within the width of MyDialog so there is a horizontal scroll bar on MyTable. If no item was double clicked, no signal will be emitted. If a row has 1 word in it, the vertical space given to it is 1 line. It seems the column width can not be under approx. It then resizes the column to this calculated width. The content inside a cell will be wrapped if it doesn't fit the cell's I'm trying to set up a tree widget where I can resize the column width to content but maintain a fixed row height. The code below almost does this. Jan 7, 2023 · To resize a column in a PyQt5 application to fit the contents of the column, you can use the resizeColumnToContents() method of the QTableView widget. I use QStyledItemDelegate with QPlainTextEdit. You are supposed to use QTreeWidgetItems to fill a QTreeWidget. Dec 7, 2014 · First of all it is not tied to your model in any way thus it seems questionable whether this fits into model-view approach. setEditTriggers(self. The column size can be passed as a constant, an array, or a function. You can set the column name with the setHeaderLabels as described below: Apr 17, 2017 · At the moment I am not setting column widths, but just stretching the righthand column. Interesting note: Different styles seem to give a different "floor" value. Jul 1, 2006 · As said int the title, I simply want to resize the column widths in a QTreeWidget to fit to the contents. Returns the type passed to the QTreeWidgetItem constructor. whatsThis (column) ¶ Parameters: column – int. How to achieve this? from PyQt4 import QtCore, QtGui app = QtGui. Oct 24, 2021 · You may set a minimum width for the first column or save/restore the state of the header, see QHeaderView : QByteArray QHeaderView::saveState() const Saves the current state of this header view. item1->setSizeHint(0, QSize(myWidth, myHeight) ); the row chaged. The first section should be stretched, the next sections should be resized to their contents and the columns should be resizable (without leaving space) and movable. My table requires persistent editors, and you will see at row 16 there is a table with 50 columns, which shouldafter calling 'resizeColumnsToContents' determine the width of column 0. If a row has 2 words in it, the vertical space given to it is 2 lines. The column is the item’s column that was clicked. QTreeveiw 클래스에 있는 메소드 인데. Adjust the column widths accordingly. The QTreeWidget should never show vertical scrollbars and hide no textparts of any item in any column. blockBoundingRect(self. Best. Mar 8, 2013 · Is there a one to one mapping of rows from your QTreeWidget to your custom tree column? If your custom tree column content IS static and there IS a one to one mapping of rows , use of the QTreeWidget::setItemWidget ( QTreeWidgetItem * item, int column, QWidget * widget ) function should suffice. setMinimumWidth(list. e The user should be able to drag the column width according to his requirement. Sorts the model by the values in the given column and order. However if I try to set the width below 35 it will always end up at 35. Hope anybody can help me. Second of all it requires a lot of work with positioning the widgets. QSize(32, 32) Does anyone have a better understanding of how QTreewidget works? QTreeWidget. See also setColumnWidth(). QWidget::adjustSize() claims to resize a widget to fit the contents, but does not. void QTreeWidget:: sortItems (int column, Qt::SortOrder order) Sorts the items in the widget in the specified order by the values in the given column. I tried this, but it's resizing the column contents only to fit it's column. See also sortItems(). By default, the cells in a table do not expand to fill the available space. I want columns to resize to fit the edges of QTableView every time the window gets resized. Since I want the user to be able to resize the header sections manually, I call header()->setResizeMode(QHeaderView::Interactive) after this which squeezes the columns to the sizes where the content is not fully visible anymore. (See alsocascadingSectionResizes. May 24, 2010 · Resize QTreeWidget columns to contents. Without seeing any code, it's hard to guess how this can be done. QTreeView. Dec 15, 2017 · However, if the content size exceeds the stretched column, the last parts of my contents are cut, as the column is not resized. If you want to use a model, use QTreeView instead (and forget about QTreeWidgetItems). iconSize() shows the correct result : PyQt4. This question has an answer which I tried to apply to my case. QTreeWidget has a built-in model, which explains why QTreeWidget::setModel() has been made private. However, a. Usage resizeColumnToContents(int column) Apr 23, 2013 · If you want a column to automatically occupy all the remaining space within the current view port then you want to set the section's resize mode QHeaderView::setResizeMode() to QHeaderView::Stretch. At this moment, I can adjust each row heights to match the icon width using sizeHint of the QStyledItemDelegate. You may have to register before you can post: click the register link above to proceed. . Although the 1st column stretches but it is not resizable/interactive like rest of the columns. For each top item you need to get the height for that row using rowHeight() and do the same recursively for child items whenever the item is expanded. Mar 17, 2016 · And I hope to keep aspect ratio when I resize the column 0. It would be best to remove the newlines or replace them with spaces when populating the treeview. resizeSection(column, width) Then, when you call setModel, Qt will (amongst other things) do the equivalent of: self. Said widget have its maximum and minimum Heights animated with a QStateMachine. Thread: resize to content of a QTreeWidget. Only first column "Test case" is visible while rest three are hidden (although I can view all the four column by scrolling horizontally QTreeWidget). 2 and there is a function set ColumnWidth to set the column width of a treeWidget. QHeaderView. Feb 27, 2020 · This is good, but I can't get my QWidget that hosts this table widget to resize itself to show everything. QTreeWidget 클래스에서도 사용 가능하다. int QTreeView:: columnWidth (int column) const header_view. 8). the content. This QTreeWidget has single column. Now, once I load some kind of data into that tree, it grows both horizontally and vertically. Thanks. The 1st column should be "Minimun-Expanding", i. But it works when show up at the first time, and expand the rows. A final Idea could be to override the QAbstractItemModel::data function to return the desired size using Qt::SizeHintRole . Nov 2, 2014 · Using a QTreeWidget with 2 columns it's possible to resize the column to see more of less of it's content. torres. PyQt 自动调整QTreeView大小 在本文中，我们将介绍如何使用PyQt来使QTreeView自动调整大小。QTreeView是一个常用的Qt小部件，用于展示层级数据。 Feb 23, 2011 · @xtingray here is for making the column widths fit into the qtable widget. horizontalHeader(). Returns the horizontal position of the column in the viewport. QTreeWidget mouse tracking needs to be enabled for this feature The QTreeWidget class is a convenience class that provides a standard tree widget with a classic item-based interface similar to that used by the QListView class in Qt 3. These are the top rated real world Python examples of PyQt5. Jan 26, 2016 · I have QTreeWidget with two columns. I want set the "Description" column 200px min width and "Required" column to be 20px width fixed(it contains an icon). To restore the saved state, pass the return value to restoreState(). Note that not all models support this and may even Nov 23, 2006 · By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Apr 14, 2006 · are called sequentially. header(). The user cannot resize the section. This technique can be applied in various scenarios, such as: Working with large datasets where resizing columns using the built-in method is time-consuming. The second column could have a QToolButton with a stylesheet on it to only show the image. Thread Tools. Any help would be appreciated! Regards. resizeColumnToContents(0) self. QtWidgets. order – SortOrder. Show Printable Version; 29th March 2013, 15:21 #1. ResizeToContents. Sep 21, 2007 · Do not use an external model with QTreeWidget. QTreeWidget. But I need the columns resize itself to the widget's width. I checked tablewidget. It kept the widget parent width. It may be that the view configuration you have (e. It contains a layout with some buttons (the size of which is constant) and the QTreeView. When I open a window, it looks ok, but when I resize the window, the QTableView itself gets resized, but columns' width remains the same. Dec 6, 2016 · So, first I resized th2 2 columns to the content with: self. May 26, 2012 · From the QTableView documentation:. However, if the width of the content is less than 50px, including 1px for borders on the sides, the column width remains constant at 50px. QAppli Dec 20, 2011 · My aim is to produce a table with two columns and with the neccessary rows,but the header of the column which will have the words should be larger than the numbers column. You can rate examples to help us improve the quality of examples. . Nov 1, 2016 · I wanted to resize columns to contents, but unfortunately the first column, where I have labels with text, gets overlapped by the second column, maybe qt miscalculated something, so I wanted to get the size of the first column (SIZE) and resize it manually to SIZE + some_small_constant. oldSize and newSize give the previous size and the new size in pixels. ui->contentTable->horizontalHeader()->stretchLastSection(); What I really want to do is this. gif"))); [/code] I have a resource file where I have added all the images I want to use for icons. column – int. Determine the width of each column in the specified row. QTreeWidget. Edit2: PySide6. I can do that it by resizeColumnToContents but Actually it resize the column t its contents but I want to resize it to the width given Jul 18, 2013 · QTreeView seems to ignore the newlines in contents when uniformRowHeights is true (seen with Qt-4. updateGeometries() is called by item views whenever they are resized or the contents of the viewport require internal changes (columns/rows are resized, the model has changed Jun 26, 2015 · Why not just have two columns of QTreeWidgetItems which are children of whatever level you want, where the first column contains min/max labels that are not editable and the second column contains editable cells like the rest of your treeview? – Oct 21, 2021 · def setColumnHidden(self, column: int, hide: bool) 위의 메소드를 사용하면 된다. This eventually works, but the QTreeWidget seems hell-bent on showing up at 256x192 pixels, although the stuff put in it requires less space. void QTreeWidget:: removeItemWidget (QTreeWidgetItem *item, int column) Removes the widget set in the given item in the given column. _treeWidget. Cheers :) Jul 26, 2009 · How can I make a QTreeView to auto-adjust the wigth of the columns? The only thing that I found here is resizeColumnToContents(), but this method will make me call it for every column. I found that this causes the combined width of the two columns to exceed the width of the widget, and therefore a scrollbar appeared at the bottom of the widget. setLayout(&layout); . 숨길 때는 True, 다시 회복할 때는 false 하면 된다. I think you can can a contents resize event of the viewport judging by the 4. When a column is resized, QTreeview don't have to resize content. Jun 28, 2011 · For resize contents You must use layout on your form. The size cannot be changed by the user or programmatically. I've been settings column widths in this manner: Dec 10, 2015 · I have a QBoxLayout in QBoxLayout::TopToBottom alignment mode to which I have added 2 QFrame widgets. Dec 16, 2022 · I have a QTreeWidget inside a QGroupBox. I mean the header must be displayed in two rows. Mar 24, 2017 · Is there a built-in function in QTreeWidget that I can call to update its row height - content, or do I need to loop over each item and adjust its height manually Sep 2, 2022 · How to stretch the last column of a TableView in qml? In C++ with Qt framework it is possible to use setStretchLastSection from QHeaderView but is there a way to do it in qml? EDIT: To be more specific: On the screenshot below, I want the three column to fill the entire width of the TableView, in order to get rid that "ghost" 4th column. The problem is, that I want to force main window to resize itself each time I load data, so the window can present whole data horizontally (vertically not necessary). setModel(model) So the column width does get set - just not on the model the tree view ends up with. Please suggest what I have to change in my code that all 4 columns are visible when GUI opens? Jul 24, 2016 · Hi, I want to achieve a behavior on a QTableWidget just like in a file browser. Jun 8, 2011 · That would be the way to go. Returns the tree widget that contains the item. setIconSize(QSize(32,32)) But all that does is increase the width, not the height. If the branches on the tree expand or collapse the QGroupBox should resize rather than show scrollbars. Jun 27, 2019 · All the cells are currently editable (editable on double-click). 1 allows a widget to be displayed in an tree item's cell. See also closePersistentEditor() and isPersistentEditorOpen(). I'd like to be able to resize a specific column while keeping the total width constant, to do that when I shrink one column, I expand the next one by same amount, and vice versa. resizeColumnToContents extracted from open source projects. I can get this to work using a file: [code] item->setIcon(0, *(new QIcon("test1. Returns the column used to sort the contents of the widget. QTreeWidget (GIF): Custom Widget Animation (GIF): The problem is that the rows will not adjust its height to fit the custom widget when it expands: Row height fixed size (GIF): Mar 3, 2009 · 1) I need to wrap the table column header into two rows. So I have to drag the border to resize it. void QTreeWidget:: openPersistentEditor (QTreeWidgetItem *item, int column = 0) Opens a persistent editor for the item in the given column. To have the last column stretching you can use a QTableHeaderView, but don't know how to do it for another column Any ideas? Best Regards Nov 4, 2014 · Using a QTreeWidget with 2 columns it's possible to resize the column to see more of less of it's content. See also restoreState(). QtCore. In my model in headerData() I don't calculate any sizes for the SizeHintRole case. The QGroupBox is in a window with no layout manager as in the full application the user has the ability to drag and resize the GroupBox around the window. Nov 10, 2021 · The problem is that I want the push button column to be 15pt with at startup too. FramelessWindowHint as its WindowFlags, which works nicely. Dec 6, 2022 · a) resizing column width (-> resized to fit contents) b) adjusting headers (their width always corresponds to the column width) With the table widget placed in a grid layout, the available space and its resize behavior can be controlled from the grid layout. The section can also be resized programmatically usingresizeSection(). Jan 20, 2019 · I have a QTreeView object with two columns. resizing columns to contents) triggers some slow path in the code. 3. But Due to some reason I have to work on Qt 4. Jan 17, 2022 · Re: Minimum size for QTableWidget collums/multiple resize modes? Facing similar issue as the above mentioned topic. 20pt. The QTreeWidget class provides a tree view that uses a predefined tree model. Oct 27, 2006 · I'm trying to get a QTreeWidget to show a text column and some equally sized checkbox columns. 2. resizeColumnToContents - 24 examples found. Jan 17, 2017 · When parent widget is resize horizontally, each column is resize until min size of each column is reached, starting with Right column to Left. But the myLabel1 is not. EDIT Apr 1, 2019 · And then I try to resize the row of the item pragrammaticaly. Jan 21, 2021 · I have a QTreeWidget with two columns and I'm trying to set the second column width to a very small value. During editing text in QPlainTextEdit i check for changes with a help of: rect = self. I want the first one to be able to stretch, and the second one to have a fixed width. This allows each item to have one or more labels or other decorations. size() but the size is not the correct size, because if I use the same size for my QWidget, the table is cropped, i. The tree can have a header that contains a section for each column in the widget. The user can resize the section. Could you edit the first post and add [ Solved ] to the title. You can use the overload of QHeaderView::setSectionResizeMode that allows per-section settings to fine-grain tuning. My problem is that QTreeWidget not showing horizontal scroll bar when its element expands in horizontal direction. I would know if it's possible to hide the column names but still be possible to resize them everywhere when you are on a separation of two columns. QtGui. Jan 18, 2018 · Following example (PySide, using QT 4. How can this be resolved? The QTreeWidget class is a convenience class that provides a standard tree widget with a classic item-based interface similar to that used by the QListView class in Qt 3. Here is an example of how to use this method: tableView = QTableView() # set up the table model and data # # resize the first column to fit the contents tableView. I've also tried just setting the size hint but in either case column height works but the width doesn't size properly. Nov 18, 2021 · @Publicnamer said in QTableWidget automatically sizes rows too large:. I have a two column table. Qtwidgets. 1. If I set the width to over 35 it will resize correctly. 2) I need to to able to resize the width of the column. Nov 5, 2007 · 2nd and 3rd columns should be Mininum-size, i. Jul 2, 2006 · As said int the title, I simply want to resize the column widths in a QTreeWidget to fit to the contents. itemDoubleClicked. Is there any built-in way to make it work? QTreeView的默认行为. How to capture resizing of QTreeWidget columns? By Mar 8, 2007 · Join Date Mar 2006 Posts 53 Thanks 12 Thanked 1 Time in 1 Post Qt products Platforms Apr 19, 2010 · I have some problems with sizing row's height in QTreeWidget. The problem is I want to change the column width of these three columns. e. These are the top rated real world Python examples of PyQt4. Categories; Recent; Tags; Popular; QTreeWidget with column span; there is a problem with columns where the resize mode is set to QHeaderView As it acts by default the last column with its header keeps resizing to infinity. When you try to set the size of the column of content, the second column disappears. In the resizing of the QDialog you may need to disconnect or set a flags in our QTableview so as not to get the circular calling: QTable::resize->QDialog::resize->QTable::resize Aug 24, 2006 · I have a QTableWidget, and want the last row to be resized just if i manually do, but the first column to be the one stretching to get the full width. Apr 27, 2006 · If this is your first visit, be sure to check out the FAQ by clicking the link above. Python QTreeWidget. The section size defaults todefaultSectionSize. Oct 10, 2007 · Resize QTreeWidget columns to contents. Hence I want to add stretch+interactive for the 1st column. I found out that QTableView has the columnResized() slot, and the only ways to do it I see are either subclassing QTableWidget or resizing columns again and again on the Jul 2, 2006 · As said int the title, I simply want to resize the column widths in a QTreeWidget to fit to the contents. 在默认情况下，QTreeView控件的大小是固定的，并且无法根据内容的大小进行自动调整。这意味着，当我们展示一个包含大量数据的树状结构时，可能会出现数据无法完全展示的问题。 Oct 23, 2024 · Skip to content. However it will not resize until you scroll down to it and trigger a splitter Nov 14, 2012 · The image is not visible : Kindly update. QHeaderView provides the ResizeToContents ResizeMode for this case, but this leaves the widget with unfilled space in the case of short contents. See also sortColumn(). How can I resize the height of each rows automatically when resize the column width? Jan 17, 2025 · By default, the column width adjusts to the width of the content. This function was introduced in Qt 4. Has anybody have any idea about this issue? After trying some things I noticed that I need to expand width of column dynamically. setStretchLastSection(False) def setColumnCount(self, column_count: int) -> None: super(). I can not specify the size of buttons and the size of the second column. It does look pretty ugly with the last column header ending abruptly at the right edge of the QTreewidget. As I can't drag it in Qt designer, I tried to find a relative function, but until now I cannot find one. resizeColumnToContents(1) and it works, but then the Widget is not resizing to the 2 columns width. You can make the cells fill the available space by stretching the last header section. Then I pragrammaticaly add some items. By FaS in forum Qt Programming Replies: 9 Jul 16, 2017 · Layouts set the sizes, they take the recommended value through the sizeHint() function of the widgets, but this size does not match what you want. But while window resizing the column “Requird” expands. I would like to add icons to the nodes in my tree. just like the Widget-behaviour. I thought about manually resizing the column size. May 26, 2015 · How does one set the icon size for items within a Qtreewidget? So far I have tried. This class is based on Qt’s Model/View architecture and uses a default model to hold items, each of which is a QTreeWidgetI Jan 5, 2024 · Create a custom function to resize columns based on a given row. This is my setup: I am trying to create a "smart" tool tip which is a QWidget with Qt. QHeaderView will automatically resize the section to its optimal size based on the contents of the entire column or row. treeWidget. Mar 11, 2012 · I have an application using a QTreeWidget with tree nodes (QTreeWidgetItem). QTableWidget-name. setSectionResizeMode(QHeaderView. Is this possible? Jul 10, 2013 · The resulting QDialog works fine except that it only shows a part of the QTableWidget however many columns are in the table. May 7, 2025 · It seems the sizeHint will be only called once to create the initial layout, but not after resizing the columns. I can do that it by resizeColumnToContents but Actually it resize the column t its contents but I want to resize it to the width given Nov 14, 2016 · It would be worth checking whether your if-statement gets executed at all or if the pointer t is able to modify the object. Is this possible. This includes factors like the text content, font size, and any indentation for child nodes. This makes the column not re sizable by the user as you said, however i think it's a characteristic, not a defect of my code. Apr 9, 2013 · Resizing the entire window has the same effect as it also resizes the splitter. Does it exist a natural way to do that? Or does I need to implement it? Mar 21, 2024 · That is quite a lot of code! IIRC you are supposed to call resizeColumnToContents() either during a resize() event or (at least for testing/workaround) on a QTimerSingleshot(0) timeout set off when content changes so that it will happen after the new column content has been shown. I only need the column 0 to be editable and all others not. Then I add two QLabel widgets to two items (QTreeWidgetItem) by myTree->setItemWidget(item1, 0, myLabel1); my Dec 28, 2015 · # Resize columns to contents. If I use an. I've modified the Qt demo "simpletreemodel" to use this function and it works fine. How to change the width of the second column? In my application, I am using QTreeWidget, to show form like data. print QTreeWidget. The two problems are: I need to resize at startup; Resizing does not goes down to 15pt. itemEntered (item, column) ¶ Parameters: item – QTreeWidgetItem. type ¶ Return type: int. resizeColumnToContents(0) Jul 2, 2006 · As said int the title, I simply want to resize the column widths in a QTreeWidget to fit to the contents. It would be good to either: set a minimum column width auto-set minimum column width to the length to the data distribute the columns evenly It would help much. I have a custom delegate which I use to paint cell borders and I've added an overload to QSizeHint for this. view. You might try these to see if that alters the situation. The first column is the text, and the second is QPushButton. to itemDoubleClicked self. So that the column width is the same width as the push button. Kishan May 3, 2012 · Namely, I have main window, in which I have QTreeWidget. QBoxLayout layout; central_widget. Dec 3, 2011 · self. Nov 20, 2018 · If you want the first column wider set this column to be wider: ui->tableView->setColumnWidth(nfirst column is 0, expected width of the column); if you want to resize all the columns to customised size: auto model = new QStandardItemModel(); ui->tableView->setModel(model); this ->setCentralWidget(ui->tableView); QHeaderView will automatically resize the section to fill the available space. – Apr 1, 2022 · Note that it's important to set the contents margins to 0 (otherwise the default Qt layout margins would be added). 숨기려는(혹은 숨겼다가 다시 회복하려는) 열의 번호를 적고. int QTreeView:: columnViewportPosition (int column) const. 8 docs. rzosrw oyngvw lywbz vvqna qil eegl trbcpgg liumdc kcyvte vxbi