Qtreeview changes the name of the current node

setContextMenuPolicy(Qt::CustomContextMenu); By creating a structure object, bind the object to the node, and save the node’s information. #include <QApplication> #include <QTreeView> #include <QStandardItemModel> #include <QStandardItem> #include <QString> #include <QDebug> //Define a structure Name struct Name { QString name; int value; }; int main(int argc, char *argv[]) { QApplication app(argc, argv); //Create a standard item model […]

VFP tree planting, one-level tree, infinite level tree, Qiyu_treeview control uses super simple method

As for planting trees, 90% of people will not plant infinite-level trees, and 80% of people will not plant first-level trees. Today, I will teach you how to plant first-level trees and infinite trees. Let’s take a look at the background table first. treedata1, id is an auto-incrementing primary key. 1. Make a form 2. […]

[Transfer] WPF custom controls and styles (9)-tree control TreeView and menu Menu-ContextMenu

one. Preface Disclaimer: WPF Custom Controls and Styles is a series of articles, which are somewhat related, but most of them are released gradually from simple to complex. The main content of this article: Custom style of menuMenu; Custom style of right-click menu ContextMenu; Custom style of tree control TreeView, and right-click menu implementation. two. […]

WPFWPF TreeView right-aligned

StretchTreeViewItemStyle: <Style x:Key=”TreeViewItemFocusVisual”> <Setter Property=”Control.Template”> <Setter.Value> <ControlTemplate> <Rectangle/> </ControlTemplate> </Setter.Value> </Setter> </Style> <PathGeometry x:Key=”TreeArrow” Figures=”M0,0 L0,6 L6,0 z”/> <Style x:Key=”ExpandCollapseToggleStyle” TargetType=”{x:Type ToggleButton}”> <Setter Property=”Focusable” Value=”False”/> <Setter Property=”Width” Value=”16″/> <Setter Property=”Height” Value=”16″/> <Setter Property=”Template”> <Setter.Value> <ControlTemplate TargetType=”{<!– –>x:Type ToggleButton}”> <Border Background=”Transparent” Height=”16″ Padding=”5,5,5,5″ Width=”16″> <Path x:Name=”ExpandPath” Data=”{<!– –>StaticResource TreeArrow}” Fill=”Transparent” Stroke=”#FF989898″> <Path.RenderTransform> <RotateTransform Angle=”135″ CenterY=”3″ CenterX=”3″/> […]

C# TreeView control (tree control)

Table of Contents 1. Add and delete tree nodes 1.Add node 2. Remove nodes 2. Get the selected node in the tree control 1.Source code 2. Generate effects 3. Set icons for nodes in the tree control 1.Source code 2. Generate effects The TreeView control (tree control) can display the node hierarchy for users, and […]

The use of tree structure control TreeView in qml, and the use of its model that inherits QAbstractItemModel

The use of tree structure control TreeView in qml, and the use of its model that inherits QAbstractItemModel If you don’t want to see the process, just skip to the end where there is source code! Let’s look at the renderings first: I often don’t like to use tree structure diagrams because the model it […]

Winform draws TreeView tree structure

Create component: ZHTestTreeView using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace ZHERP.UI.ZHControl { public partial class ZHTestTreeView : TreeView { private bool ArrowKeyUp = false; private bool ArrowKeyDown = false; private Font foreFont = new Font(“Microsoft Yahei”, 9F, FontStyle.Regular); /*Node 1 is selected and […]

Qt tree structure data display-QTreeView

QTreeView introduction QTreeView is a control class in the Qt framework, used to display and manage tree-structured data. It is based on the Model/View architecture and provides rich functionality and flexibility by interacting with the corresponding data model. The following is a detailed introduction to QTreeView: Data model: QTreeView relies on a data model to […]

Unity TreeView tree menu

Article directory 1. Reference articles 2. Project address 3. Project structure 4. Main code 1. Reference articles https://blog.csdn.net/qq992817263/article/details/54925472 2. Project address Put the folder into unity to view it Author github address: https://github.com/ccUnity3d/TreeView My gitee address (no need to jump over the wall): https://gitee.com/hwm-ming/unity-tree-view 3. Project structure 4. Main code TreeViewControl (control class) using UnityEngine; […]

QTreeView self-painted to achieve cool style

QTreeView self-painted to achieve cool style This article combines the author’s experience to introduce a way to achieve a good-looking list by rewriting QTreeView drawing events and using QPainter. Article directory QTreeView self-painted to achieve cool style Introduction The background color of the entire control Cell effect Single-click selection and double-click selection Some random thoughts […]