diff options
Diffstat (limited to 'source/ShiftUI/Theming/VisualStyles/TabControlPainter.cs')
| -rw-r--r-- | source/ShiftUI/Theming/VisualStyles/TabControlPainter.cs | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/source/ShiftUI/Theming/VisualStyles/TabControlPainter.cs b/source/ShiftUI/Theming/VisualStyles/TabControlPainter.cs new file mode 100644 index 0000000..0574f33 --- /dev/null +++ b/source/ShiftUI/Theming/VisualStyles/TabControlPainter.cs @@ -0,0 +1,267 @@ +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// +// Copyright (c) 2008 George Giolfan +// +// Authors: +// George Giolfan ([email protected]) + +using System.Drawing; +using ShiftUI; +using ShiftUI.Theming.Default; +using ShiftUI.VisualStyles; +namespace ShiftUI.Theming.VisualStyles +{ + class TabWidgetPainter : Default.TabWidgetPainter + { + static bool ShouldPaint (TabWidget tabControl) { + return ThemeVisualStyles.RenderClientAreas && + tabControl.Alignment == TabAlignment.Top && + tabControl.DrawMode == TabDrawMode.Normal; + } + protected override void DrawBackground (Graphics dc, Rectangle area, TabWidget tab) + { + if (!ShouldPaint (tab)) { + base.DrawBackground (dc, area, tab); + return; + } + + VisualStyleElement element = VisualStyleElement.Tab.Pane.Normal; + if (!VisualStyleRenderer.IsElementDefined (element)) { + base.DrawBackground (dc, area, tab); + return; + } + Rectangle panel_rectangle = GetTabPanelRect (tab); + if (panel_rectangle.IntersectsWith (area)) + new VisualStyleRenderer (element).DrawBackground (dc, panel_rectangle, area); + } + protected override int DrawTab (Graphics dc, TabPage page, TabWidget tab, Rectangle bounds, bool is_selected) + { + if (!ShouldPaint (tab)) + return base.DrawTab (dc, page, tab, bounds, is_selected); + VisualStyleElement element = GetVisualStyleElement (tab, page, is_selected); + if (!VisualStyleRenderer.IsElementDefined (element)) + return base.DrawTab (dc, page, tab, bounds, is_selected); + new VisualStyleRenderer (element).DrawBackground (dc, bounds); + bounds.Inflate ( + -(tab.Padding.X), + -(tab.Padding.Y)); + Rectangle text_area = bounds; + if (tab.ImageList != null && page.ImageIndex >= 0 && page.ImageIndex < tab.ImageList.Images.Count) { + int image_y = bounds.Y + (bounds.Height - tab.ImageList.ImageSize.Height) / 2; + tab.ImageList.Draw (dc, new Point (bounds.X, image_y), page.ImageIndex); + int image_occupied_space = tab.ImageList.ImageSize.Width + 2; + text_area.X += image_occupied_space; + text_area.Width -= image_occupied_space; + } + if (page.Text != null) + dc.DrawString (page.Text, tab.Font, SystemBrushes.ControlText, text_area, DefaultFormatting); + if (tab.Focused && is_selected && tab.ShowFocusCues) + WidgetPaint.DrawFocusRectangle (dc, bounds); + return 0; + } + static VisualStyleElement GetVisualStyleElement (TabWidget tabControl, TabPage tabPage, bool selected) + { + bool top_edge = tabPage.Row == tabControl.RowCount; + int tab_page_index = tabControl.TabPages.IndexOf (tabPage); + bool left_edge = true; + int index; + for (index = tabControl.SliderPos; index < tab_page_index; index++) + if (tabControl.TabPages [index].Row == tabPage.Row) { + left_edge = false; + break; + } + bool right_edge = true; + for (index = tab_page_index; index < tabControl.TabCount; index++) + if (tabControl.TabPages [index].Row == tabPage.Row) { + right_edge = false; + break; + } + if (!tabPage.Enabled) + #region Disabled + if (top_edge) + if (left_edge) + if (right_edge) + return VisualStyleElement.Tab.TopTabItem.Disabled; + else + return VisualStyleElement.Tab.TopTabItemLeftEdge.Disabled; + else + if (right_edge) + return VisualStyleElement.Tab.TopTabItemRightEdge.Disabled; + else + return VisualStyleElement.Tab.TopTabItem.Disabled; + else + if (left_edge) + if (right_edge) + return VisualStyleElement.Tab.TabItem.Disabled; + else + return VisualStyleElement.Tab.TabItemLeftEdge.Disabled; + else + if (right_edge) + return VisualStyleElement.Tab.TabItemRightEdge.Disabled; + else + return VisualStyleElement.Tab.TabItem.Disabled; + #endregion + else if (selected) + #region Pressed + if (top_edge) + if (left_edge) + if (right_edge) + return VisualStyleElement.Tab.TopTabItem.Pressed; + else + return VisualStyleElement.Tab.TopTabItemLeftEdge.Pressed; + else + if (right_edge) + return VisualStyleElement.Tab.TopTabItemRightEdge.Pressed; + else + return VisualStyleElement.Tab.TopTabItem.Pressed; + else + if (left_edge) + if (right_edge) + return VisualStyleElement.Tab.TabItem.Pressed; + else + return VisualStyleElement.Tab.TabItemLeftEdge.Pressed; + else + if (right_edge) + return VisualStyleElement.Tab.TabItemRightEdge.Pressed; + else + return VisualStyleElement.Tab.TabItem.Pressed; + #endregion + else if (tabControl.EnteredTabPage == tabPage) + #region Hot + if (top_edge) + if (left_edge) + if (right_edge) + return VisualStyleElement.Tab.TopTabItem.Hot; + else + return VisualStyleElement.Tab.TopTabItemLeftEdge.Hot; + else + if (right_edge) + return VisualStyleElement.Tab.TopTabItemRightEdge.Hot; + else + return VisualStyleElement.Tab.TopTabItem.Hot; + else + if (left_edge) + if (right_edge) + return VisualStyleElement.Tab.TabItem.Hot; + else + return VisualStyleElement.Tab.TabItemLeftEdge.Hot; + else + if (right_edge) + return VisualStyleElement.Tab.TabItemRightEdge.Hot; + else + return VisualStyleElement.Tab.TabItem.Hot; + #endregion + else + #region Normal + if (top_edge) + if (left_edge) + if (right_edge) + return VisualStyleElement.Tab.TopTabItemBothEdges.Normal; + else + return VisualStyleElement.Tab.TopTabItemLeftEdge.Normal; + else + if (right_edge) + return VisualStyleElement.Tab.TopTabItemRightEdge.Normal; + else + return VisualStyleElement.Tab.TopTabItem.Normal; + else + if (left_edge) + if (right_edge) + return VisualStyleElement.Tab.TabItemBothEdges.Normal; + else + return VisualStyleElement.Tab.TabItemLeftEdge.Normal; + else + if (right_edge) + return VisualStyleElement.Tab.TabItemRightEdge.Normal; + else + return VisualStyleElement.Tab.TabItem.Normal; + #endregion + } + public override bool HasHotElementStyles (TabWidget tabControl) + { + if (!ShouldPaint (tabControl)) + return base.HasHotElementStyles (tabControl); + return true; + } + protected override void DrawScrollButton (Graphics dc, Rectangle bounds, Rectangle clippingArea, ScrollButton button, PushButtonState state) + { + if (!ThemeVisualStyles.RenderClientAreas) { + base.DrawScrollButton (dc, bounds, clippingArea, button, state); + return; + } + VisualStyleElement element; + if (button == ScrollButton.Left) + switch (state) { + case PushButtonState.Hot: + element = VisualStyleElement.Spin.DownHorizontal.Hot; + break; + case PushButtonState.Pressed: + element = VisualStyleElement.Spin.DownHorizontal.Pressed; + break; + default: + element = VisualStyleElement.Spin.DownHorizontal.Normal; + break; + } + else + switch (state) { + case PushButtonState.Hot: + element = VisualStyleElement.Spin.UpHorizontal.Hot; + break; + case PushButtonState.Pressed: + element = VisualStyleElement.Spin.UpHorizontal.Pressed; + break; + default: + element = VisualStyleElement.Spin.UpHorizontal.Normal; + break; + } + if (!VisualStyleRenderer.IsElementDefined (element)) { + if (button == ScrollButton.Left) + switch (state) { + case PushButtonState.Hot: + element = VisualStyleElement.ScrollBar.ArrowButton.LeftHot; + break; + case PushButtonState.Pressed: + element = VisualStyleElement.ScrollBar.ArrowButton.LeftPressed; + break; + default: + element = VisualStyleElement.ScrollBar.ArrowButton.LeftNormal; + break; + } + else + switch (state) { + case PushButtonState.Hot: + element = VisualStyleElement.ScrollBar.ArrowButton.RightHot; + break; + case PushButtonState.Pressed: + element = VisualStyleElement.ScrollBar.ArrowButton.RightPressed; + break; + default: + element = VisualStyleElement.ScrollBar.ArrowButton.RightNormal; + break; + } + if (!VisualStyleRenderer.IsElementDefined (element)) { + base.DrawScrollButton (dc, bounds, clippingArea, button, state); + return; + } + } + new VisualStyleRenderer (element).DrawBackground (dc, bounds, clippingArea); + } + } +} |