VBox GenerateFrameContents (bool useMnemonics)
{
var statusText = useMnemonics ? "with mnemonic" : "without mnemonic";
var vbox = new VBox ();
var button = new Button ("_Button");
button.UseMnemonic = useMnemonics;
button.Clicked += (sender, e) => MessageDialog.ShowMessage (string.Format ("Button {0} clicked.", statusText));
vbox.PackStart (button);
var toggleButton = new ToggleButton ("_Toggle Button");
toggleButton.UseMnemonic = useMnemonics;
toggleButton.Clicked += (sender, e) => MessageDialog.ShowMessage (string.Format ("Toggle Button {0} clicked.", statusText));
vbox.PackStart (toggleButton);
var menuButton = new MenuButton ("_Menu Button");
menuButton.UseMnemonic = useMnemonics;
menuButton.Label = "_Menu Button";
var firstMenuItem = new MenuItem ("_First");
firstMenuItem.UseMnemonic = useMnemonics;
firstMenuItem.Clicked += (sender, e) => MessageDialog.ShowMessage (string.Format ("First Menu Item {0} clicked.", statusText));
var secondMenuItem = new MenuItem ("_Second");
secondMenuItem.UseMnemonic = useMnemonics;
secondMenuItem.Clicked += (sender, e) => MessageDialog.ShowMessage (string.Format ("Second Menu Item {0} clicked.", statusText));
var menu = new Menu ();
menu.Items.Add (firstMenuItem);
menu.Items.Add (secondMenuItem);
menuButton.Menu = menu;
vbox.PackStart (menuButton);
return vbox;
}
/// <summary>
/// constructor
/// </summary>
public AppStartWidget()
{
_startButton = new ToggleButton { WidthRequest = 100 };
_startButton.Clicked += CallStart;
Add (_startButton, 0, 0);
_startButton.Image = Icons.Start;
}
public ButtonSample()
{
Button b1 = new Button ("Click me");
b1.Clicked += delegate {
b1.Label = "Clicked!";
};
PackStart (b1);
Button b2 = new Button ("Click me");
b2.Style = ButtonStyle.Flat;
b2.Clicked += delegate {
b2.Label = "Clicked!";
};
PackStart (b2);
PackStart (new Button (Image.FromIcon (StockIcons.ZoomIn, IconSize.Medium)));
MenuButton mb = new MenuButton ("This is a Menu Button");
Menu men = new Menu ();
men.Items.Add (new MenuItem ("First"));
men.Items.Add (new MenuItem ("Second"));
men.Items.Add (new MenuItem ("Third"));
men.Items.Add (new MenuItem ("Check") { Type = MenuItemType.CheckBox, Checked = true });
men.Items.Add (new MenuItem ("Radio") { Type = MenuItemType.RadioButton, Checked = true });
men.Items.Add (new MenuItem ("With image") { Image = Image.FromResource (typeof(App), "class.png") });
mb.Menu = men;
PackStart (mb);
foreach (var mi in men.Items) {
var cmi = mi;
mi.Clicked += delegate {
mb.Label = cmi.Label + " Clicked";
};
}
ToggleButton tb = new ToggleButton ("Toggle me");
PackStart (tb);
}
private Widget CreateTopBar()
{
var topBox = new HBox();
lblTitle = new Label {
Text = Card.Title,
Font = Font.WithWeight(FontWeight.Bold).WithSize(20),
TextAlignment = Alignment.Center,
Wrap = WrapMode.Word,
Visible = false
};
topBox.PackStart(lblTitle, true);
txtTitle = new TextEntry {
Text = Card.Title,
Font = lblTitle.Font,
TextAlignment = Alignment.Center,
Visible = false
};
topBox.PackStart(txtTitle, true);
btnEdit = new ToggleButton(ResourcesManager.GetImage("pencil.png"));
topBox.PackEnd(btnEdit);
return topBox;
}
public ButtonSample()
{
Button b1 = new Button ("Click me");
b1.Clicked += delegate {
b1.Label = "Clicked!";
};
PackStart (b1);
Button b2 = new Button ("Click me");
b2.Style = ButtonStyle.Flat;
b2.Clicked += delegate {
b2.Label = "Clicked!";
};
PackStart (b2);
PackStart (new Button (Image.FromIcon (StockIcons.ZoomIn, IconSize.Medium)));
MenuButton mb = new MenuButton ("This is a Menu Button");
Menu men = new Menu ();
men.Items.Add (new MenuItem ("First"));
men.Items.Add (new MenuItem ("Second"));
men.Items.Add (new MenuItem ("Third"));
men.Items.Add (new SeparatorMenuItem ());
men.Items.Add (new CheckBoxMenuItem ("Check") { Checked = true });
men.Items.Add (new RadioButtonMenuItem ("Radio") { Checked = true });
men.Items.Add (new MenuItem ("With image") { Image = Image.FromResource (typeof(App), "class.png") });
mb.Menu = men;
PackStart (mb);
foreach (var mi in men.Items) {
var cmi = mi;
mi.Clicked += delegate {
mb.Label = cmi.Label + " Clicked";
};
}
ToggleButton tb = new ToggleButton ("Toggle me");
PackStart (tb);
var b = new Button ("Mini button");
b.Style = ButtonStyle.Borderless;
PackStart (b);
tb = new ToggleButton ("Mini toggle");
tb.Style = ButtonStyle.Borderless;
PackStart (tb);
var child = new VBox ();
var container = new MyWidget { Content = child };
var button = new Xwt.Button ("Click to add a child");
button.Clicked += delegate {
child.PackStart (new Xwt.Label ("Child" + child.Children.Count ()), BoxMode.Fill);
};
var content = new Xwt.VBox ();
content.PackStart (button, BoxMode.Fill);
content.PackStart (container, BoxMode.Fill);
PackStart (content);
}
public ButtonSample()
{
Button b1 = new Button("Click me");
b1.Clicked += delegate
{
b1.Label = "Clicked!";
};
PackStart(b1, false, false);
Button b2 = new Button("Click me");
b2.Style = ButtonStyle.Flat;
b2.Clicked += delegate
{
b2.Label = "Clicked!";
};
PackStart(b2);
PackStart(new Button(StockIcons.ZoomIn.WithSize(22)));
PackStart(new Button(StockIcons.ZoomIn.WithSize(32), "Custom Size") { WidthRequest = 110, MinHeight = 50 });
var hbox = new HBox();
hbox.PackStart(new Button(StockIcons.ZoomIn.WithSize(22), "Zoom In") { ImagePosition = ContentPosition.Top });
hbox.PackStart(new Button(StockIcons.ZoomOut.WithSize(22), "Zoom Out") { ImagePosition = ContentPosition.Bottom });
hbox.PackStart(new Button(StockIcons.Information.WithSize(48), "Info") { ImagePosition = ContentPosition.Top }, true);
hbox.PackEnd(new Button("Custom" + Environment.NewLine + "Width") { MinWidth = 110 });
PackStart(hbox);
PackStart(new Button(new CustomImage().WithSize(22), "with red background") { BackgroundColor = Colors.Red });
MenuButton mb = new MenuButton("This is a Menu Button");
Menu men = new Menu();
men.Items.Add(new MenuItem("First"));
men.Items.Add(new MenuItem("Second"));
men.Items.Add(new MenuItem("Third"));
men.Items.Add(new SeparatorMenuItem());
men.Items.Add(new CheckBoxMenuItem("Check") { Checked = true });
men.Items.Add(new RadioButtonMenuItem("Radio") { Checked = true });
men.Items.Add(new MenuItem("With image") { Image = Image.FromResource(typeof(App), "class.png") });
mb.Menu = men;
PackStart(mb);
foreach (var mi in men.Items)
{
var cmi = mi;
mi.Clicked += delegate
{
mb.Label = cmi.Label + " Clicked";
};
}
ToggleButton tb1 = new ToggleButton("Toggle me");
ToggleButton tb2 = new ToggleButton("Mini toggle");
tb1.Toggled += delegate(object sender, EventArgs e)
{
if (tb1.Active)
tb1.Label = "Toggled";
else
tb1.Label = "Untoggled";
tb2.Active = tb1.Active;
};
PackStart(tb1);
var b = new Button("Mini button");
b.Style = ButtonStyle.Borderless;
PackStart(b);
tb2.Style = ButtonStyle.Borderless;
tb2.Toggled += delegate(object sender, EventArgs e)
{
if (tb2.Active)
tb2.Label = "Toggled";
else
tb2.Label = "Untoggled";
tb1.Active = tb2.Active;
};
PackStart(tb2);
b = new Button(" ? ");
b.Type = ButtonType.Help;
PackStart(b);
var child = new VBox();
var container = new MyWidget { Content = child };
var button = new Xwt.Button("Click to add a child");
/*
button.Clicked += delegate {
child.PackStart (new Xwt.Label ("Child" + child.Children.Count ()));
};
*/
var content = new Xwt.VBox();
content.PackStart(button);
content.PackStart(container);
PackStart(content);
}
public MultithreadingSample ()
{
int r = 0;
var tbl = new Table ();
PackStart (tbl);
tbl.Add (new Label("Application.Invoke:"), 0, r);
tbl.Add (l1 = new Label ("0"), 1, r);
tbl.Add (btn1 = new ToggleButton("Run"), 2, r++);
Task worker1;
CancellationTokenSource worker1cancel = new CancellationTokenSource ();;
btn1.Toggled += delegate {
if (btn1.Active) {
worker1cancel = new CancellationTokenSource ();
worker1 = Task.Factory.StartNew (delegate {
int cnt = 0;
while (!worker1cancel.Token.IsCancellationRequested) {
Thread.Sleep (50);
cnt++;
string txt = cnt.ToString ();
Application.Invoke (() => l1.Text = txt);
}
}, worker1cancel.Token, TaskCreationOptions.LongRunning);
}
else
worker1cancel.Cancel();
};
tbl.Add (new Label("Application.UITaskScheduler:"), 0, r);
tbl.Add (l2 = new Label ("0"), 1, r);
tbl.Add (btn2 = new ToggleButton("Run"), 2, r++);
Task worker2;
CancellationTokenSource worker2cancel = new CancellationTokenSource ();;
btn2.Toggled += delegate {
if (btn2.Active) {
worker2cancel = new CancellationTokenSource ();
worker2 = Task.Factory.StartNew (delegate {
int cnt = 0;
while (!worker2cancel.Token.IsCancellationRequested) {
Thread.Sleep (50);
cnt++;
var txt = cnt.ToString ();
Task.Factory.StartNew(delegate {
l2.Text = txt;
}, worker2cancel.Token, TaskCreationOptions.None, Application.UITaskScheduler);
}
}, worker2cancel.Token, TaskCreationOptions.LongRunning);
}
else
worker2cancel.Cancel();
};
tbl.Add (new Label("BackgroundWorker:\n(XwtSynchronizationContext.Post)"), 0, r);
tbl.Add (l3 = new Label ("0"), 1, r);
tbl.Add (btn3 = new ToggleButton("Run"), 2, r++);
var worker3 = new BackgroundWorker ();
worker3.WorkerReportsProgress = true;
worker3.WorkerSupportsCancellation = true;
worker3.DoWork += BackgroundWorkerDoWork;
worker3.ProgressChanged += (sender, e) => l3.Text = e.ProgressPercentage.ToString ();
btn3.Toggled += delegate {
if (btn3.Active)
worker3.RunWorkerAsync ();
else
worker3.CancelAsync ();
};
tbl.Add (new Label("XwtSynchronizationContext.Send:"), 0, r);
tbl.Add (l4 = new Label ("0"), 1, r);
tbl.Add (btn4 = new ToggleButton("Run"), 2, r++);
worker4 = new SampleBGWorker ();
worker4.SynchronizationContext = SynchronizationContext.Current;
worker4.InvokeSynchronized = true;
worker4.Count += HandleCount4;
btn4.Toggled += delegate {
if (btn4.Active)
worker4.Start ();
else
worker4.Stop ();
};
tbl.Add (new Label("ISynchronizeInvoke.BeginInvoke:"), 0, r);
tbl.Add (l5 = new Label ("0"), 1, r);
tbl.Add (btn5 = new ToggleButton("Run"), 2, r++);
worker5 = new SampleBGWorker ();
worker5.InvokeSynchronized = false;
worker5.Count += HandleCount5;
btn5.Toggled += delegate {
if (btn5.Active)
worker5.Start ();
else
worker5.Stop ();
};
tbl.Add (new Label("ISynchronizeInvoke.Invoke:"), 0, r);
tbl.Add (l6 = new Label ("0"), 1, r);
tbl.Add (btn6 = new ToggleButton("Run"), 2, r++);
worker6 = new SampleBGWorker ();
worker6.InvokeSynchronized = true;
worker6.Count += HandleCount6;
btn6.Toggled += delegate {
if (btn6.Active)
worker6.Start ();
else
worker6.Stop ();
};
}