public WidgetFocus ()
{
var text = new TextEntry ();
var check = new CheckBox ("CheckBox");
var slider = new HSlider ();
ListStore store = new ListStore (value);
var list = new ListView (store);
list.Columns.Add ("Value", value);
list.HeadersVisible = false;
for (int n=0; n<10; n++) {
var r = store.AddRow ();
store.SetValue (r, value, "Value " + n);
}
var btn1 = new Button ("TextEnty");
var btn2 = new Button ("Checkbox");
var btn3 = new Button ("Slider");
var btn4 = new Button ("ListBox");
var btn5 = new Button ("Button");
btn1.Clicked += (sender, e) => text.SetFocus ();
btn2.Clicked += (sender, e) => check.SetFocus ();
btn3.Clicked += (sender, e) => slider.SetFocus ();
btn4.Clicked += (sender, e) => list.SetFocus ();
btn5.Clicked += (sender, e) => btn1.SetFocus ();
var btnBox = new HBox ();
btnBox.PackStart (btn1);
btnBox.PackStart (btn2);
btnBox.PackStart (btn3);
btnBox.PackStart (btn4);
btnBox.PackStart (btn5);
var focusBox = new HBox ();
var vbox = new VBox ();
vbox.PackStart (text);
vbox.PackStart (check);
vbox.PackStart (slider);
focusBox.PackStart (vbox);
focusBox.PackStart (list, true);
PackStart (btnBox);
PackStart (focusBox, true);
}
public DefaultColorSelectorBackend ()
{
HBox box = new HBox ();
Table selBox = new Table ();
hsBox = new HueBox ();
hsBox.Light = 0.5;
lightBox = new LightBox ();
hsBox.SelectionChanged += delegate {
lightBox.Hue = hsBox.SelectedColor.Hue;
lightBox.Saturation = hsBox.SelectedColor.Saturation;
};
colorBox = new ColorSelectionBox () { MinHeight = 20 };
selBox.Add (hsBox, 0, 0);
selBox.Add (lightBox, 1, 0);
box.PackStart (selBox);
const int entryWidth = 40;
VBox entryBox = new VBox ();
Table entryTable = new Table ();
entryTable.Add (new Label ("Color:"), 0, 0);
entryTable.Add (colorBox, 1, 0, colspan:4);
entryTable.Add (new HSeparator (), 0, 1, colspan:5);
int r = 2;
entryTable.Add (new Label ("Hue:"), 0, r);
entryTable.Add (hueEntry = new SpinButton () {
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 360, Digits = 0, IncrementValue = 1 }, 1, r++);
entryTable.Add (new Label ("Saturation:"), 0, r);
entryTable.Add (satEntry = new SpinButton () {
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 100, Digits = 0, IncrementValue = 1 }, 1, r++);
entryTable.Add (new Label ("Light:"), 0, r);
entryTable.Add (lightEntry = new SpinButton () {
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 100, Digits = 0, IncrementValue = 1 }, 1, r++);
r = 2;
entryTable.Add (new Label ("Red:"), 3, r);
entryTable.Add (redEntry = new SpinButton () {
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1 }, 4, r++);
entryTable.Add (new Label ("Green:"), 3, r);
entryTable.Add (greenEntry = new SpinButton () {
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1 }, 4, r++);
entryTable.Add (new Label ("Blue:"), 3, r);
entryTable.Add (blueEntry = new SpinButton () {
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1 }, 4, r++);
Label label;
entryTable.Add (alphaSeparator = new HSeparator (), 0, r++, colspan:5);
entryTable.Add (label = new Label ("Opacity:"), 0, r);
entryTable.Add (alphaSlider = new HSlider () {
MinimumValue = 0, MaximumValue = 255, }, 1, r, colspan: 3);
entryTable.Add (alphaEntry = new SpinButton () {
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1 }, 4, r);
alphaControls.Add (alphaSeparator);
alphaControls.Add (label);
alphaControls.Add (alphaEntry);
entryBox.PackStart (entryTable);
box.PackStart (entryBox);
Content = box;
hsBox.SelectionChanged += delegate {
HandleColorBoxSelectionChanged ();
};
lightBox.SelectionChanged += delegate {
HandleColorBoxSelectionChanged ();
};
hueEntry.ValueChanged += HandleHslChanged;
satEntry.ValueChanged += HandleHslChanged;
lightEntry.ValueChanged += HandleHslChanged;
redEntry.ValueChanged += HandleRgbChanged;
greenEntry.ValueChanged += HandleRgbChanged;
blueEntry.ValueChanged += HandleRgbChanged;
alphaEntry.ValueChanged += HandleAlphaChanged;
alphaSlider.ValueChanged += HandleAlphaChanged;
Color = Colors.White;
}
public HorizontalSliderSample ()
{
var sl1 = new HSlider {
MinimumValue = 0,
MaximumValue = 2,
StepIncrement = 0.05,
SnapToTicks = true,
};
var lbl1 = new Label (sl1.Value.ToString ("F2"));
sl1.ValueChanged += (sender, e) => {
lbl1.Text = (sl1.Value).ToString ("F2");
};
var sl2 = new HSlider {
MinimumValue = -9,
MaximumValue = 0,
StepIncrement = 2,
SnapToTicks = true,
};
var lbl2 = new Label (sl2.Value.ToString ("F2"));
sl2.ValueChanged += (sender, e) => {
lbl2.Text = (sl2.Value).ToString ("F2");
};
var sl21 = new HSlider {
MinimumValue = 0,
MaximumValue = 9,
StepIncrement = 2,
SnapToTicks = true,
};
var lbl21 = new Label (sl21.Value.ToString ("F2"));
sl21.ValueChanged += (sender, e) => {
lbl21.Text = (sl21.Value).ToString ("F2");
};
var sl22 = new HSlider {
MinimumValue = -9,
MaximumValue = 9,
StepIncrement = 2,
SnapToTicks = true,
};
var lbl22 = new Label (sl22.Value.ToString ("F2"));
sl22.ValueChanged += (sender, e) => {
lbl22.Text = (sl22.Value).ToString ("F2");
};
var sl23 = new HSlider {
MinimumValue = -9,
MaximumValue = 9,
StepIncrement = 1,
SnapToTicks = true,
};
var lbl23 = new Label (sl23.Value.ToString ("F2"));
sl23.ValueChanged += (sender, e) => {
lbl23.Text = (sl23.Value).ToString ("F2");
};
var sl3 = new HSlider {
MinimumValue = -9,
MaximumValue = 9,
StepIncrement = 2,
SnapToTicks = false,
};
var lbl3 = new Label (sl3.Value.ToString ("F2"));
sl3.ValueChanged += (sender, e) => {
lbl3.Text = (sl2.Value = sl21.Value = sl22.Value = sl23.Value = sl3.Value).ToString ("F2");
};
var sl4 = new HSlider {
MinimumValue = -1,
MaximumValue = 1,
StepIncrement = 0.05
};
var lbl4 = new Label (sl4.Value.ToString ("F"));
lbl4.ExpandHorizontal = false;
var sl4box = new VBox ();
sl4box.PackStart (lbl4, false, hpos: WidgetPlacement.Start);
sl4box.PackStart (sl4);
sl4.ValueChanged += (sender, e) => {
var offset = Math.Abs (sl4.Value) % sl4.StepIncrement;
if (Math.Abs (offset) > double.Epsilon) {
if (offset > sl4.StepIncrement / 2) {
if (sl4.Value >= 0)
sl4.Value += -offset + sl4.StepIncrement;
else
sl4.Value += offset - sl4.StepIncrement;
}
else
if (sl4.Value >= 0)
sl4.Value -= offset;
else
sl4.Value += offset;
}
lbl4.MarginLeft = sl4.SliderPosition - (lbl4.Size.Width / 2);
if (lbl4.MarginLeft + lbl4.Size.Width > sl4.Size.Width)
lbl4.MarginLeft = sl4.Size.Width - lbl4.Size.Width;
if (lbl4.MarginLeft < 0)
lbl4.MarginLeft = 0;
lbl4.Text = (sl4.Value).ToString ("F2");
};
sl4.Value = sl4.MinimumValue;
var sl4Labels = new HBox ();
sl4Labels.PackStart (new Label ("-1"), true);
sl4Labels.PackStart (new Label ("0") { TextAlignment = Alignment.Center }, true);
sl4Labels.PackStart (new Label ("1") { TextAlignment = Alignment.End }, true);
sl4box.PackStart (sl4Labels);
Add (sl1, 0, 0, hexpand: true);
Add (lbl1, 1, 0);
Add (sl2, 0, 1, hexpand: true);
Add (lbl2, 1, 1);
Add (sl21, 0, 2, hexpand: true);
Add (lbl21, 1, 2);
Add (sl22, 0, 3, hexpand: true);
Add (lbl22, 1, 3);
Add (sl23, 0, 4, hexpand: true);
Add (lbl23, 1, 4);
Add (sl3, 0, 5, hexpand: true);
Add (lbl3, 1, 5);
Add (sl4box, 0, 6, hexpand: true);
}
public DefaultColorSelectorBackend()
{
HBox box = new HBox();
Table selBox = new Table();
hsBox = new HueBox();
hsBox.Light = 0.5;
lightBox = new LightBox();
hsBox.SelectionChanged += delegate {
lightBox.Hue = hsBox.SelectedColor.Hue;
lightBox.Saturation = hsBox.SelectedColor.Saturation;
};
colorBox = new ColorSelectionBox()
{
MinHeight = 20
};
selBox.Add(hsBox, 0, 0);
selBox.Add(lightBox, 1, 0);
box.PackStart(selBox);
const int entryWidth = 40;
VBox entryBox = new VBox();
Table entryTable = new Table();
entryTable.Add(new Label("Color:"), 0, 0);
entryTable.Add(colorBox, 1, 0, colspan: 4);
entryTable.Add(new HSeparator(), 0, 1, colspan: 5);
int r = 2;
entryTable.Add(new Label("Hue:"), 0, r);
entryTable.Add(hueEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 360, Digits = 0, IncrementValue = 1
}, 1, r++);
entryTable.Add(new Label("Saturation:"), 0, r);
entryTable.Add(satEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 100, Digits = 0, IncrementValue = 1
}, 1, r++);
entryTable.Add(new Label("Light:"), 0, r);
entryTable.Add(lightEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 100, Digits = 0, IncrementValue = 1
}, 1, r++);
r = 2;
entryTable.Add(new Label("Red:"), 3, r);
entryTable.Add(redEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1
}, 4, r++);
entryTable.Add(new Label("Green:"), 3, r);
entryTable.Add(greenEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1
}, 4, r++);
entryTable.Add(new Label("Blue:"), 3, r);
entryTable.Add(blueEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1
}, 4, r++);
Label label;
entryTable.Add(alphaSeparator = new HSeparator(), 0, r++, colspan: 5);
entryTable.Add(label = new Label("Opacity:"), 0, r);
entryTable.Add(alphaSlider = new HSlider()
{
MinimumValue = 0, MaximumValue = 255,
}, 1, r, colspan: 3);
entryTable.Add(alphaEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1
}, 4, r);
alphaControls.Add(alphaSeparator);
alphaControls.Add(label);
alphaControls.Add(alphaEntry);
entryBox.PackStart(entryTable);
box.PackStart(entryBox);
Content = box;
hsBox.SelectionChanged += delegate {
HandleColorBoxSelectionChanged();
};
lightBox.SelectionChanged += delegate {
HandleColorBoxSelectionChanged();
};
hueEntry.ValueChanged += HandleHslChanged;
satEntry.ValueChanged += HandleHslChanged;
lightEntry.ValueChanged += HandleHslChanged;
redEntry.ValueChanged += HandleRgbChanged;
greenEntry.ValueChanged += HandleRgbChanged;
blueEntry.ValueChanged += HandleRgbChanged;
alphaEntry.ValueChanged += HandleAlphaChanged;
alphaSlider.ValueChanged += HandleAlphaChanged;
Color = Colors.White;
}
public ColorPopover(ColorPicker picker)
{
this.picker = picker;
OriginalColor = picker.Color;
var h = new HBox();
var leftBox = new VBox();
h.PackStart(leftBox);
Content = h;
{
HBox box = new HBox();
box.PackStart(new Label("R") { WidthRequest = 50 });
box.PackStart(rSlider = new HSlider() { WidthRequest = 100, MinimumValue = 0, MaximumValue = 255 });
box.PackStart(rText = new TextEntry() { WidthRequest = 50 });
leftBox.PackStart(box);
}
{
HBox box = new HBox();
box.PackStart(new Label("G") { WidthRequest = 50 });
box.PackStart(gSlider = new HSlider() { WidthRequest = 100, MinimumValue = 0, MaximumValue = 255 });
box.PackStart(gText = new TextEntry() { WidthRequest = 50 });
leftBox.PackStart(box);
}
{
HBox box = new HBox();
box.PackStart(new Label("B") { WidthRequest = 50 });
box.PackStart(bSlider = new HSlider() { WidthRequest = 100, MinimumValue = 0, MaximumValue = 255 });
box.PackStart(bText = new TextEntry() { WidthRequest = 50 });
leftBox.PackStart(box);
}
{
HBox box = new HBox();
box.PackStart(new Label("Alpha") { WidthRequest = 50 });
box.PackStart(aSlider = new HSlider() { WidthRequest = 100, MinimumValue = 0, MaximumValue = 255 });
box.PackStart(aText = new TextEntry() { WidthRequest = 50 });
leftBox.PackStart(box);
}
EventHandler setSlider = (s, e) => { if (enableEvents) SetColor(Color.FromBytes((byte)rSlider.Value, (byte)gSlider.Value, (byte)bSlider.Value, (byte)aSlider.Value), (Widget)s); };
rSlider.ValueChanged += setSlider;
gSlider.ValueChanged += setSlider;
bSlider.ValueChanged += setSlider;
aSlider.ValueChanged += setSlider;
rText.Changed += (s, e) => { if (enableEvents) { byte i; if (byte.TryParse(rText.Text, out i)) SetColor(Color.FromBytes(i, (byte)gSlider.Value, (byte)bSlider.Value, (byte)aSlider.Value), rText); } };
gText.Changed += (s, e) => { if (enableEvents) { byte i; if (byte.TryParse(gText.Text, out i)) SetColor(Color.FromBytes((byte)rSlider.Value, i, (byte)bSlider.Value, (byte)aSlider.Value), gText); } };
bText.Changed += (s, e) => { if (enableEvents) { byte i; if (byte.TryParse(bText.Text, out i)) SetColor(Color.FromBytes((byte)rSlider.Value, (byte)gSlider.Value, i, (byte)aSlider.Value), bText); } };
aText.Changed += (s, e) => { if (enableEvents) { byte i; if (byte.TryParse(aText.Text, out i)) SetColor(Color.FromBytes((byte)rSlider.Value, (byte)gSlider.Value, (byte)bSlider.Value, i), aText); } };
{
HBox box = new HBox();
TextEntry text;
hexText = text = new TextEntry();
text.Changed += (s, e) =>
{
if (enableEvents)
{
Color c;
if (App.TryParseColor(hexText.Text, out c))
SetColor(c, hexText);
}
};
box.PackStart(text);
sourceText = text = new TextEntry();
text.Changed += (s, e) =>
{
if (enableEvents)
{
Color c;
if (App.TryParseColor(sourceText.Text, out c))
SetColor(c, sourceText);
}
};
box.PackStart(text);
leftBox.PackStart(box);
}
{
HBox box = new HBox();
Button btn;
btn = new Button(" Reset to Default ");
btn.Clicked += (s, e) => { picker.Color = picker.DefaultColor; };
box.PackEnd(btn);
btn = new Button(" Discard Changes ");
btn.Clicked += (s, e) => { picker.Color = OriginalColor; };
box.PackEnd(btn);
leftBox.PackStart(box);
}
}
public DefaultColorSelectorBackend()
{
HBox box = new HBox();
Table selBox = new Table();
hsBox = new HueBox();
hsBox.Light = 0.5;
lightBox = new LightBox();
hsBox.SelectionChanged += delegate {
lightBox.Hue = hsBox.SelectedColor.Hue;
lightBox.Saturation = hsBox.SelectedColor.Saturation;
};
colorBox = new ColorSelectionBox()
{
MinHeight = 20
};
selBox.Add(hsBox, 0, 0);
selBox.Add(lightBox, 1, 0);
box.PackStart(selBox);
const int entryWidth = 40;
VBox entryBox = new VBox();
Table entryTable = new Table();
entryTable.Add(CreateLabel(Application.TranslationCatalog.GetString("Color:")), 0, 0);
entryTable.Add(colorBox, 1, 0, colspan: 4);
entryTable.Add(new HSeparator(), 0, 1, colspan: 5);
int r = 2;
var hueLabel = CreateLabel();
entryTable.Add(hueLabel, 0, r);
entryTable.Add(hueEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 360, Digits = 0, IncrementValue = 1
}, 1, r++);
SetupEntry(hueEntry, hueLabel, Application.TranslationCatalog.GetString("Hue"));
var satLabel = CreateLabel();
entryTable.Add(satLabel, 0, r);
entryTable.Add(satEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 100, Digits = 0, IncrementValue = 1
}, 1, r++);
SetupEntry(satEntry, satLabel, Application.TranslationCatalog.GetString("Saturation"));
var lightLabel = CreateLabel();
entryTable.Add(lightLabel, 0, r);
entryTable.Add(lightEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 100, Digits = 0, IncrementValue = 1
}, 1, r++);
SetupEntry(lightEntry, lightLabel, Application.TranslationCatalog.GetString("Light"));
r = 2;
var redLabel = CreateLabel();
entryTable.Add(redLabel, 3, r);
entryTable.Add(redEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1
}, 4, r++);
SetupEntry(redEntry, redLabel, Application.TranslationCatalog.GetString("Red"));
var greenLabel = CreateLabel();
entryTable.Add(greenLabel, 3, r);
entryTable.Add(greenEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1
}, 4, r++);
SetupEntry(greenEntry, greenLabel, Application.TranslationCatalog.GetString("Green"));
var blueLabel = CreateLabel();
entryTable.Add(blueLabel, 3, r);
entryTable.Add(blueEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1
}, 4, r++);
SetupEntry(blueEntry, blueLabel, Application.TranslationCatalog.GetString("Blue"));
entryTable.Add(alphaSeparator = new HSeparator(), 0, r++, colspan: 5);
var alphaLabel = CreateLabel();
entryTable.Add(alphaLabel, 0, r);
entryTable.Add(alphaSlider = new HSlider()
{
MinimumValue = 0, MaximumValue = 255,
}, 1, r, colspan: 3);
entryTable.Add(alphaEntry = new SpinButton()
{
MinWidth = entryWidth, MinimumValue = 0, MaximumValue = 255, Digits = 0, IncrementValue = 1
}, 4, r);
SetupEntry(alphaEntry, alphaLabel, Application.TranslationCatalog.GetString("Opacity"));
// Don't allow the slider to get keyboard focus, as it doesn't really work with the keyboard and the opacity
// spin button takes its place
alphaSlider.CanGetFocus = false;
alphaSlider.Accessible.Label = Application.TranslationCatalog.GetString("Opacity");
alphaControls.Add(alphaSeparator);
alphaControls.Add(alphaLabel);
alphaControls.Add(alphaEntry);
entryBox.PackStart(entryTable);
box.PackStart(entryBox);
Content = box;
hsBox.SelectionChanged += HandleColorBoxSelectionChanged;
lightBox.SelectionChanged += HandleColorBoxSelectionChanged;
hueEntry.ValueChanged += HandleHslChanged;
satEntry.ValueChanged += HandleHslChanged;
lightEntry.ValueChanged += HandleHslChanged;
redEntry.ValueChanged += HandleRgbChanged;
greenEntry.ValueChanged += HandleRgbChanged;
blueEntry.ValueChanged += HandleRgbChanged;
alphaEntry.ValueChanged += HandleAlphaChanged;
alphaSlider.ValueChanged += HandleAlphaChanged;
Color = Colors.White;
}