mirror of
https://github.com/claunia/cuetools.net.git
synced 2025-12-16 18:14:25 +00:00
smart combobox control
This commit is contained in:
chudov
@@ -25,7 +25,7 @@ namespace BBBNOVA
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private int _dropDownWidth = 0;
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private int _maxDropDownItems = 8;
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private int _selectedIndex = -1;
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//private int _selectedIndex = -1;
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private bool _isDroppedDown = false;
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@@ -51,6 +51,9 @@ namespace BBBNOVA
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[Category("Behavior"), Description("Occurs when the SelectedIndex property changes.")]
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public event EventHandler SelectedIndexChanged;
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//[Category("Behavior"), Description("Occurs when the SelectedValue property changes.")]
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//public event EventHandler SelectedValueChanged;
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[Category("Behavior"), Description("Occurs whenever a particular item/area needs to be painted.")]
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public event EventHandler<DrawItemEventArgs> DrawItem;
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@@ -189,55 +192,16 @@ namespace BBBNOVA
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}
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}
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if (!value && _isDroppedDown) _dropDownClosedAt = DateTime.Now;
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_isDroppedDown = value;
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if (_isDroppedDown)
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{
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_controlHost.Control.Width = _dropDownWidth;
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_listBox.Refresh();
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int borderHeight = _listBox.BorderStyle == BorderStyle.Fixed3D ? 10 : 3;
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if (_listBox.Items.Count > 0)
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{
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int h = 0;
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int i = 0;
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int maxItemHeight = 0;
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int highestItemHeight = 0;
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foreach(object item in _listBox.Items)
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{
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int itHeight = _listBox.GetItemHeight(i);
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if (highestItemHeight < itHeight)
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{
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highestItemHeight = itHeight;
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}
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h = h + itHeight;
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if (i <= (_maxDropDownItems - 1))
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{
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maxItemHeight = h;
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}
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i = i + 1;
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}
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if (maxItemHeight > _dropDownHeight)
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_listBox.Height = _dropDownHeight + borderHeight;
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else
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{
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if (maxItemHeight > highestItemHeight )
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_listBox.Height = maxItemHeight + borderHeight;
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else
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_listBox.Height = highestItemHeight + borderHeight;
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}
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}
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else
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{
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_listBox.Height = 15 + borderHeight;
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}
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_listBox.Width = _dropDownWidth;
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_listBox.Height = CalculateListHeight();
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_popupControl.Show(this, CalculateDropPosition(), ToolStripDropDownDirection.BelowRight);
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}
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Capture = false;
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_listBox.Capture = true;
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}
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Invalidate();
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if (_isDroppedDown)
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@@ -245,9 +209,11 @@ namespace BBBNOVA
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}
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}
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[Category("Appearance"), Description("Selects the radius of combobox edges.")]
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public BNRadius Radius
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{
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get { return _radius; }
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set { _radius = value; }
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}
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[Category("Appearance"), Description("Selects the type of border around drop down list."), DefaultValue(BorderStyle.None)]
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@@ -370,23 +336,27 @@ namespace BBBNOVA
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_popupControl.Padding = new Padding(0);
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_popupControl.Margin = new Padding(0);
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_popupControl.AutoSize = true;
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_popupControl.AutoClose = false;
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_popupControl.DropShadowEnabled = true;
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_popupControl.Items.Add(_controlHost);
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_dropDownWidth = this.Width;
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_listBox.SelectedValueChanged += new EventHandler(_listBox_SelectedValueChanged);
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_listBox.SelectedIndexChanged += new EventHandler(_listBox_SelectedIndexChanged);
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_listBox.MeasureItem += new MeasureItemEventHandler(_listBox_MeasureItem);
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_listBox.DrawItem += new DrawItemEventHandler(_listBox_DrawItem);
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_listBox.MouseClick += new MouseEventHandler(_listBox_MouseClick);
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_listBox.MouseUp += new MouseEventHandler(_listBox_MouseUp);
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_listBox.MouseDown += new MouseEventHandler(_listBox_MouseDown);
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_listBox.MouseMove += new MouseEventHandler(_listBox_MouseMove);
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//(_listBox.DataManager as CurrencyManager).ListChanged += new ListChangedEventHandler(BNComboBox_ListChanged);
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_popupControl.Closed += new ToolStripDropDownClosedEventHandler(_popupControl_Closed);
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_textBox.Resize += new EventHandler(_textBox_Resize);
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_textBox.TextChanged += new EventHandler(_textBox_TextChanged);
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}
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}
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#endregion
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@@ -395,16 +365,24 @@ namespace BBBNOVA
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#region Overrides
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protected override void OnCreateControl()
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{
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base.OnCreateControl();
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_listBox.CreateControl();
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_listBox.SelectedIndex = -1;
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}
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protected override void OnDataSourceChanged(EventArgs e)
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{
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this.SelectedIndex = 0;
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_listBox.SelectedIndex = -1;
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base.OnDataSourceChanged(e);
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}
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}
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protected override void OnDisplayMemberChanged(EventArgs e)
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{
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_listBox.DisplayMember = this.DisplayMember;
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this.SelectedIndex = this.SelectedIndex;
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_listBox.SelectedIndex = _listBox.SelectedIndex;
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//this.SelectedIndex = this.SelectedIndex;
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base.OnDisplayMemberChanged(e);
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}
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@@ -482,14 +460,15 @@ namespace BBBNOVA
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base.OnMouseLeave(e);
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}
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private DateTime _dropDownClosedAt = DateTime.MinValue;
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protected override void OnMouseDown(MouseEventArgs e)
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{
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//System.Diagnostics.Trace.WriteLine(string.Format("OnMouseDown({0})", SelectedIndex));
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_textBox.Focus();
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if (DateTime.Now - _dropDownClosedAt >= TimeSpan.FromSeconds(0.1))
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if (e.Button == MouseButtons.Left)
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if ((this.RectangleToScreen(rectBtn).Contains(MousePosition) || (DropDownStyle == ComboBoxStyle.DropDownList)))
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{
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this.IsDroppedDown = !this.IsDroppedDown;
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}
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base.OnMouseDown(e);
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}
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@@ -501,13 +480,10 @@ namespace BBBNOVA
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protected override void OnMouseWheel(MouseEventArgs e)
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{
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if (e.Delta < 0)
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this.SelectedIndex = this.SelectedIndex + 1;
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else if (e.Delta > 0)
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{
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if (this.SelectedIndex > 0)
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this.SelectedIndex = this.SelectedIndex - 1;
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}
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if (e.Delta < 0 && _listBox.SelectedIndex < _listBox.Items.Count - 1)
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_listBox.SelectedIndex = _listBox.SelectedIndex + 1;
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else if (e.Delta > 0 && _listBox.SelectedIndex > 0)
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_listBox.SelectedIndex = _listBox.SelectedIndex - 1;
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base.OnMouseWheel(e);
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}
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@@ -518,18 +494,39 @@ namespace BBBNOVA
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base.OnGotFocus(e);
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}
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protected override void OnLostFocus(EventArgs e)
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{
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if (!this.ContainsFocus)
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{
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Invalidate();
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}
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protected override void OnLostFocus(EventArgs e)
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{
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if (this.IsDroppedDown && !_popupControl.ContainsFocus && !this.ContainsFocus)
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this.IsDroppedDown = false;
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base.OnLostFocus(e);
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}
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base.OnLostFocus(e);
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}
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private int _selectedIndex = -2;
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protected override void OnSelectedValueChanged(EventArgs e)
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{
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//System.Diagnostics.Trace.WriteLine(string.Format("OnSelectedValueChanged({0}=>{1})", Text, _listBox.Text));
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OnSelectedIndexChanged(e);
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//this.SelectedIndex = _listBox.SelectedIndex;
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//this.Invalidate(true);
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Text = _listBox.SelectedValue != null ?
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_listBox.GetItemText(_listBox.SelectedValue) :
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"";
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base.OnSelectedValueChanged(e);
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}
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protected override void OnSelectedIndexChanged(EventArgs e)
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{
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//System.Diagnostics.Trace.WriteLine(string.Format("OnSelectedIndexChanged({0}=>{1})", _selectedIndex, _listBox.SelectedIndex));
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if (_selectedIndex == _listBox.SelectedIndex)
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return;
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_selectedIndex = _listBox.SelectedIndex;
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if(SelectedIndexChanged!=null)
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SelectedIndexChanged(this, e);
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@@ -539,7 +536,7 @@ namespace BBBNOVA
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protected override void OnValueMemberChanged(EventArgs e)
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{
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_listBox.ValueMember = this.ValueMember;
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this.SelectedIndex = this.SelectedIndex;
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//_listBox.SelectedIndex = _listBox.SelectedIndex;
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base.OnValueMemberChanged(e);
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}
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@@ -570,7 +567,7 @@ namespace BBBNOVA
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{
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_textBox.Text = value;
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base.Text = _textBox.Text;
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Invalidate();
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Invalidate(true);
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OnTextChanged(EventArgs.Empty);
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}
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}
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@@ -698,7 +695,7 @@ namespace BBBNOVA
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}
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else
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{
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ControlPaint.DrawStringDisabled(e.Graphics, _textBox.Text, Font, BackColor, rectText, sf);
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ControlPaint.DrawStringDisabled(e.Graphics, _textBox.Text, Font, Color1, rectText, sf);
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}
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}
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/*
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@@ -736,22 +733,14 @@ namespace BBBNOVA
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public override int SelectedIndex
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{
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get { return _selectedIndex; }
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get { return _listBox.SelectedIndex; }
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set
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{
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if (_listBox == null ||
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_listBox.Items.Count == 0 ||
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_ignoreSelect ||
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(this.DataSource != null && value < 0) ||
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value < -1 ||
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value > _listBox.Items.Count - 1
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)
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return;
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_listBox.SelectedIndex = value;
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_selectedIndex = value;
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Text = _listBox.GetItemText(_listBox.SelectedItem);
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OnSelectedIndexChanged(EventArgs.Empty);
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//_selectedIndex = value;
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//if (this.DataSource == null || value >= 0)
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//OnSelectedIndexChanged(EventArgs.Empty);
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}
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}
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@@ -761,17 +750,17 @@ namespace BBBNOVA
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set
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{
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_listBox.SelectedItem = value;
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this.SelectedIndex = _listBox.SelectedIndex;
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//this.SelectedIndex = _listBox.SelectedIndex;
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}
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}
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public new object SelectedValue
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{
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get { return base.SelectedValue; }
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get { return _listBox.SelectedValue; }
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set
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{
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base.SelectedValue = value;
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}
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_listBox.SelectedValue = value;
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}
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}
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protected override void RefreshItem(int index)
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@@ -827,66 +816,74 @@ namespace BBBNOVA
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}
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bool _ignoreSelect = false;
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private int _hoverItem = -1;
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void _listBox_MouseMove(object sender, MouseEventArgs e)
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{
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int i;
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for (i = 0; i < (_listBox.Items.Count); i++)
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{
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if (_listBox.GetItemRectangle(i).Contains(_listBox.PointToClient(MousePosition)))
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{
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_ignoreSelect = true;
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_listBox.SelectedIndex = i;
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_ignoreSelect = false;
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return;
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}
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}
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int i = _listBox.IndexFromPoint(e.Location);
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if (_hoverItem != i)
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{
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_hoverItem = i;
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_listBox.Invalidate();
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}
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}
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void _listBox_MouseClick(object sender, MouseEventArgs e)
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void _listBox_MouseDown(object sender, MouseEventArgs e)
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{
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int i = _listBox.IndexFromPoint(e.Location);
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//System.Diagnostics.Trace.WriteLine(string.Format("_listBox_MouseDown({0})", i));
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if (i >= 0)
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_listBox.SelectedIndex = i;
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IsDroppedDown = false;
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}
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void _listBox_MouseUp(object sender, MouseEventArgs e)
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{
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int i = _listBox.IndexFromPoint(e.Location);
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//System.Diagnostics.Trace.WriteLine(string.Format("_listBox_MouseUp({0})", i));
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if (i >= 0)
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{
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_listBox.SelectedIndex = i;
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IsDroppedDown = false;
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}
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}
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void _listBox_MouseClick(object sender, MouseEventArgs e)
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{
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if (_listBox.Items.Count == 0)
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{
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return;
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}
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if (_listBox.SelectedItems.Count != 1)
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{
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return;
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}
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this.SelectedIndex = _listBox.SelectedIndex;
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if (DropDownStyle == ComboBoxStyle.DropDownList)
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{
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this.Invalidate(true);
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}
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IsDroppedDown = false;
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int i = _listBox.IndexFromPoint(e.Location);
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if (i >= 0)
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{
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_listBox.SelectedIndex = i;
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IsDroppedDown = false;
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}
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}
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private int GetImageKey(int index)
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{
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if (this.ImageList == null)
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if (this.ImageList == null || index < 0)
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return -1;
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try
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{
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object item = _listBox.Items[index];
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string key = (ImageKeyMember == null ? item : BindingContext[item, ImageKeyMember].Current) as string;
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if (key == null)
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return -1;
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return this.ImageList.Images.IndexOfKey(key);
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}
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catch { }
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object key = FilterItemOnProperty(_listBox.Items[index], ImageKeyMember ?? DisplayMember);
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if (key == null)
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return -1;
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if (key is int)
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return (int)key;
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if (key is string)
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return this.ImageList.Images.IndexOfKey(key as string);
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return -1;
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}
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//void BNComboBox_ListChanged(object sender, ListChangedEventArgs e)
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//{
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// _listBox.Height = CalculateListHeight();
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//}
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void _listBox_DrawItem(object sender, DrawItemEventArgs e)
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{
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if (DrawMode == DrawMode.Normal)
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{
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e.DrawBackground();
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Color fg = _hoverItem != -1 && _hoverItem == e.Index ? Color1 : Color4;
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Color bg = _hoverItem != -1 && _hoverItem == e.Index ? Color4 : Color1;
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e.Graphics.FillRectangle(new SolidBrush(bg), e.Bounds);
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if (e.Index >= 0)
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{
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@@ -909,7 +906,7 @@ namespace BBBNOVA
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StringFormat sf = new StringFormat(StringFormatFlags.NoWrap);
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sf.Alignment = StringAlignment.Near;
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textBounds.Offset(-3, 0);
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e.Graphics.DrawString(_listBox.GetItemText(Items[e.Index]), e.Font, new SolidBrush(e.ForeColor), textBounds);
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e.Graphics.DrawString(_listBox.GetItemText(Items[e.Index]), e.Font, new SolidBrush(fg), textBounds);
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}
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return;
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}
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@@ -922,6 +919,16 @@ namespace BBBNOVA
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}
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}
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void _listBox_SelectedIndexChanged(object sender, EventArgs e)
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{
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OnSelectedIndexChanged(e);
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}
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void _listBox_SelectedValueChanged(object sender, EventArgs e)
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{
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OnSelectedValueChanged(e);
|
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}
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void _listBox_MeasureItem(object sender, MeasureItemEventArgs e)
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{
|
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if (MeasureItem != null)
|
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@@ -933,12 +940,12 @@ namespace BBBNOVA
|
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|
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void _popupControl_Closed(object sender, ToolStripDropDownClosedEventArgs e)
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{
|
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if (_isDroppedDown) _dropDownClosedAt = DateTime.Now;
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_isDroppedDown = false;
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if (!this.RectangleToScreen(this.ClientRectangle).Contains(MousePosition))
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{
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hovered = false;
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}
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_hoverItem = -1;
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Invalidate(true);
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}
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@@ -1000,6 +1007,39 @@ namespace BBBNOVA
|
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Invalidate(true);
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}
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private int CalculateListHeight()
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{
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int borderHeight = _listBox.BorderStyle == BorderStyle.None ? 3 : SystemInformation.BorderSize.Height * 4 + 3;
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if (_listBox.Items.Count <= 0)
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return 15 + borderHeight;
|
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int h = 0;
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int i = 0;
|
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int maxItemHeight = 0;
|
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int highestItemHeight = 0;
|
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foreach (object item in _listBox.Items)
|
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{
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int itHeight = _listBox.GetItemHeight(i);
|
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if (highestItemHeight < itHeight)
|
||||
{
|
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highestItemHeight = itHeight;
|
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}
|
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h = h + itHeight;
|
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if (i <= (_maxDropDownItems - 1))
|
||||
{
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||||
maxItemHeight = h;
|
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}
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i = i + 1;
|
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}
|
||||
|
||||
if (maxItemHeight > _dropDownHeight)
|
||||
return _dropDownHeight + borderHeight;
|
||||
if (maxItemHeight > highestItemHeight)
|
||||
return maxItemHeight + borderHeight;
|
||||
return highestItemHeight + borderHeight;
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||||
}
|
||||
|
||||
private Point CalculateDropPosition()
|
||||
{
|
||||
Point point = new Point(0, this.Height);
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||||
@@ -1076,11 +1116,13 @@ namespace BBBNOVA
|
||||
#endregion
|
||||
}
|
||||
|
||||
|
||||
[Serializable]
|
||||
public class BNRadius
|
||||
{
|
||||
private int _topLeft = 0;
|
||||
|
||||
public static readonly BNRadius Default = new BNRadius();
|
||||
|
||||
public int TopLeft
|
||||
{
|
||||
get { return _topLeft; }
|
||||
|
||||
@@ -154,7 +154,7 @@ namespace CUEControls
|
||||
if (open)
|
||||
flags |= GetInfoFlags.SHGFI_OPENICON;
|
||||
SHFILEINFO info = new SHFILEINFO();
|
||||
SHGetFileInfo(filename.FullName, (uint)filename.Attributes, ref info, (uint)Marshal.SizeOf(info), (uint)flags);
|
||||
SHGetFileInfo(filename.FullName, filename.Exists ? (uint)filename.Attributes : 0, ref info, (uint)Marshal.SizeOf(info), (uint)flags);
|
||||
iIcon = MapIcon(info.hIcon, info.iIcon);
|
||||
DestroyIcon(info.hIcon);
|
||||
return iIcon;
|
||||
|
||||
Reference in New Issue
Block a user