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Implemented List Store from gtk3-demo

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Igor Vornovskii 2022-01-03 01:12:51 +05:00 committed by Harry
parent 73fd05d517
commit e82b07ede1
1 changed files with 194 additions and 0 deletions
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Source/Samples/Sections/Widgets/ListStoreSection.cs Normal file
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using System.Collections.Generic;
using Gtk;
namespace Samples
{
[Section(ContentType = typeof(ListStore), Category = Category.Widgets)]
class ListStoreSection : Box
{
private readonly TreeView _tree;
private ListStore _model;
private readonly List<Bug> _data = new List<Bug>
{
new Bug ( false, 60482, "Normal", "scrollable notebooks and hidden tabs" ),
new Bug ( false, 60620, "Critical", "gdk_window_clear_area (gdkwindow-win32.c) is not thread-safe" ),
new Bug ( false, 50214, "Major", "Xft support does not clean up correctly" ),
new Bug ( true, 52877, "Major", "GtkFileSelection needs a refresh method. " ),
new Bug ( false, 56070, "Normal", "Can't click button after setting in sensitive" ),
new Bug ( true, 56355, "Normal", "GtkLabel - Not all changes propagate correctly" ),
new Bug ( false, 50055, "Normal", "Rework width/height computations for TreeView" ),
new Bug ( false, 58278, "Normal", "gtk_dialog_set_response_sensitive () doesn't work" ),
new Bug ( false, 55767, "Normal", "Getters for all setters" ),
new Bug ( false, 56925, "Normal", "Gtkcalender size" ),
new Bug ( false, 56221, "Normal", "Selectable label needs right-click copy menu" ),
new Bug ( true, 50939, "Normal", "Add shift clicking to GtkTextView" ),
new Bug ( false, 6112, "Enhancement", "netscape-like collapsable toolbars" ),
new Bug ( false, 1, "Normal", "First bug :=)" ),
};
public ListStoreSection() : base(Orientation.Vertical, 3)
{
CreateModel();
_tree = new TreeView(_model);
AddColumn();
var treeScroll = new ScrolledWindow
{
Expand = true
};
treeScroll.Add(_tree);
PackStart(treeScroll, true, true, 0);
GLib.Timeout.Add(100, SpinerTimeout);
}
private enum Column
{
Fixed,
Number,
Severity,
Description,
Pulse,
Icon,
Active,
Sensitive,
Num
};
private readonly struct Bug
{
public bool Fixed { get; }
public int Number { get; }
public string Severity { get; }
public string Description { get; }
public Bug(bool isFixed, int number, string severity, string description)
{
Fixed = isFixed;
Number = number;
Severity = severity;
Description = description;
}
}
private void CreateModel()
{
/* create list store */
_model = new ListStore(typeof(bool), typeof(int), typeof(string), typeof(string), typeof(int), typeof(string), typeof(bool), typeof(bool));
/* add data to the list store */
for (int i = 0; i < _data.Count; i++)
{
string iconName;
bool sensitive;
if (i == 1 || i == 3)
iconName = "battery-caution-charging-symbolic";
else
iconName = null;
if (i == 3)
sensitive = false;
else
sensitive = true;
TreeIter iter = _model.Append();
_model.SetValue(iter, (int)Column.Fixed, _data[i].Fixed);
_model.SetValue(iter, (int)Column.Number, _data[i].Number);
_model.SetValue(iter, (int)Column.Severity, _data[i].Severity);
_model.SetValue(iter, (int)Column.Description, _data[i].Description);
_model.SetValue(iter, (int)Column.Pulse, 5);
_model.SetValue(iter, (int)Column.Icon, iconName);
_model.SetValue(iter, (int)Column.Active, false);
_model.SetValue(iter, (int)Column.Sensitive, sensitive);
}
}
private void AddColumn()
{
CellRenderer renderer;
TreeViewColumn column;
/* column for fixed toggles */
var rendererToggle = new CellRendererToggle();
rendererToggle.Toggled += RendererToggle_Toggled;
column = new TreeViewColumn("Fixed?", rendererToggle, "active", Column.Fixed, null)
{
/* set this column to a fixed sizing (of 50 pixels) */
FixedWidth = 50
};
_tree.AppendColumn(column);
/* column for bug numbers */
renderer = new CellRendererText();
column = new TreeViewColumn("Bug number", renderer, "text", Column.Number, null);
column.SortColumnId = (int)Column.Number;
_tree.AppendColumn(column);
/* column for severities */
renderer = new CellRendererText();
column = new TreeViewColumn("Severity", renderer, "text", Column.Severity, null)
{
SortColumnId = (int)Column.Severity
};
_tree.AppendColumn(column);
/* column for description */
renderer = new CellRendererText();
column = new TreeViewColumn("Description", renderer, "text", Column.Description, null)
{
SortColumnId = (int)Column.Description
};
_tree.AppendColumn(column);
/* column for spinner */
renderer = new CellRendererSpinner();
column = new TreeViewColumn("Spinning", renderer, "pulse", Column.Pulse, "active", Column.Active, null)
{
SortColumnId = (int)Column.Pulse
};
_tree.AppendColumn(column);
/* column for symbolic icon */
renderer = new CellRendererPixbuf();
column = new TreeViewColumn("Symbolic icon", renderer, "icon-name", Column.Icon, "sensitive", Column.Sensitive, null);
column.SortColumnId = (int)Column.Icon;
_tree.AppendColumn(column);
}
private void RendererToggle_Toggled(object o, ToggledArgs args)
{
TreePath path = new TreePath(args.Path);
/* get toggled iter */
TreeIter iter;
_model.GetIter(out iter, path);
bool isFixed = (bool)_model.GetValue(iter, (int)Column.Fixed);
/* do something with the value */
isFixed ^= true;
/* set new value */
_model.SetValue(iter, (int)Column.Fixed, isFixed);
}
private bool SpinerTimeout()
{
if (_model == null)
{
return false;
}
_model.GetIterFirst(out TreeIter iter);
int pulse = (int)_model.GetValue(iter, (int)Column.Pulse);
if (pulse == int.MaxValue)
pulse = 0;
else
pulse++;
_model.SetValues(iter, (int)Column.Pulse, pulse);
_model.SetValue(iter, (int)Column.Active, true);
return true;
}
}
}