[Samples] ComboBox samples, still missing some major combo features.
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Pedro Larouca
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2 changed files with 144 additions and 0 deletions
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<ProjectReference Include="..\Libs\GtkSharp\GtkSharp.csproj" />
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<ProjectReference Include="..\Libs\GtkSharp\GtkSharp.csproj" />
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<ProjectReference Include="..\Libs\PangoSharp\PangoSharp.csproj" />
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<ProjectReference Include="..\Libs\PangoSharp\PangoSharp.csproj" />
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</ItemGroup>
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</ItemGroup>
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<ItemGroup>
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<EmbeddedResource Update="Sections\Category.cs">
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<LogicalName>GtkSharp.Samples.Category.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\ListSection.cs">
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<LogicalName>GtkSharp.Samples.ListSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\SectionAttribute.cs">
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<LogicalName>GtkSharp.Samples.SectionAttribute.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Dialogs\AboutDialogSection.cs">
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<LogicalName>GtkSharp.Samples.AboutDialogSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\ButtonSection.cs">
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<LogicalName>GtkSharp.Samples.ButtonSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\ColorButtonSection.cs">
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<LogicalName>GtkSharp.Samples.ColorButtonSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\EntrySection.cs">
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<LogicalName>GtkSharp.Samples.EntrySection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\LabelSection.cs">
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<LogicalName>GtkSharp.Samples.LabelSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\LevelBarSection.cs">
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<LogicalName>GtkSharp.Samples.LevelBarSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\LinkButtonSection.cs">
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<LogicalName>GtkSharp.Samples.LinkButtonSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\ProgressBarSection.cs">
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<LogicalName>GtkSharp.Samples.ProgressBarSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\SpinButtonSection.cs">
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<LogicalName>GtkSharp.Samples.SpinButtonSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\SpinnerSection.cs">
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<LogicalName>GtkSharp.Samples.SpinnerSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\SwitchSection.cs">
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<LogicalName>GtkSharp.Samples.SwitchSection.cs</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Update="Sections\Widgets\ToggleButtonSection.cs">
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<LogicalName>GtkSharp.Samples.ToggleButtonSection.cs</LogicalName>
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</EmbeddedResource>
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</ItemGroup>
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</Project>
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</Project>
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97
Source/Samples/Sections/Widgets/ComboBoxSection.cs
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97
Source/Samples/Sections/Widgets/ComboBoxSection.cs
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@ -0,0 +1,97 @@
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// This is free and unencumbered software released into the public domain.
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// Happy coding!!! - GtkSharp Team
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using Gtk;
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namespace Samples
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{
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[Section(ContentType = typeof(ComboBox), Category = Category.Widgets)]
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class ComboBoxSection : ListSection
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{
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public ComboBoxSection()
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{
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AddItem(CreateSimpleComboBox());
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AddItem(CreateMultiColumnComboBox());
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AddItem(CreateEditableComboBox());
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}
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public (string, Widget) CreateSimpleComboBox()
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{
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// initialize with a simple string list
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var combo = new ComboBox(
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new string[]
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{
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"Combo Entry 1",
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"Combo Entry 2",
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"Combo Entry 3",
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"Combo Entry 4"
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}
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);
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// event to notify for index changes in our combo
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combo.Changed += (sender, e) =>
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ApplicationOutput.WriteLine(sender, $"Index changed to:{((ComboBox)sender).Active}");
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// set the active selection to index 2 (Combo Entry 3)
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combo.Active = 2;
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return ("Simple combo:", combo);
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}
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public (string, Widget) CreateMultiColumnComboBox()
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{
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// create a store for our combo
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var store = new ListStore(typeof(string), typeof(string), typeof(bool));
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// lets append some stock icons, passing the icon names, and a simple text column
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store.AppendValues("dialog-warning", "Warning", true);
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store.AppendValues("process-stop", "Stop", false);
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store.AppendValues("document-new", "New", true);
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store.AppendValues("edit-clear", "Clear", true);
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// create cells
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var imageCell = new CellRendererPixbuf();
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var textCell = new CellRendererText();
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// create the combo and pass the values in
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var combo = new ComboBox(store);
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combo.PackStart(imageCell, true);
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combo.PackStart(textCell, true);
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// add combo attributes to show in columns
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combo.AddAttribute(imageCell, "icon-name", 0);
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combo.AddAttribute(textCell, "text", 1);
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// lets use the store bool values to control sensitive rows
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// Process-stop (store index one) should be disabled in this sample
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// For a ComboBox item to be disabled, all cell renderers for the item need to have
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// their sensitivity disabled
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combo.AddAttribute(imageCell, "sensitive", 2);
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combo.AddAttribute(textCell, "sensitive", 2);
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// listen to index changed on combo
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combo.Changed += (sender, e) =>
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ApplicationOutput.WriteLine(sender, $"Index changed to:{((ComboBox)sender).Active}");
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// lets preselect the first option
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combo.Active = 0;
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return ("Combo with Icons and Text:", combo);
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}
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public (string, Widget) CreateEditableComboBox()
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{
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var combo = ComboBoxText.NewWithEntry();
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combo.AppendText("Example 1");
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combo.AppendText("Example 2");
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combo.AppendText("Example 3");
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combo.AppendText("Example 4");
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// combos with entry have a real entry inside it
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// we can use it by
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combo.Entry.PlaceholderText = "Write something";
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return ("Combo with entry:", combo);
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}
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}
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}
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