private static void DrawTabText(MgTabControl tabControl, Graphics graphics, GraphicsPath tabPath, int index) { Rectangle tabBounds = GetTabTextRect(tabControl, tabPath, index); Color textColor; // For selected tab // When 'SelectedTabColor' is set TextColor is SelectedTabFgColor else it is Tab's ForeColor if (tabControl.SelectedIndex == index) { textColor = tabControl.SelectedTabFgColor != Color.Empty ? tabControl.SelectedTabFgColor : tabControl.ForeColor; } else { textColor = tabControl.TitleFgColor; // Text color it is Foreground of Title Color for non selected tabs } int orientation = GetOrientation(tabControl); if (tabControl.RightToLeftLayout) { Rectangle clipRect = tabControl.GetTabRect(index); clipRect.X = tabControl.Width - clipRect.Right; // Set clip so that image is not painted outside tab bounds graphics.SetClip(clipRect); } FontDescription font = new FontDescription(tabControl.Font); ControlRenderer.PrintText(graphics, tabBounds, textColor, font, GetTabText(tabControl, orientation, index), false, ContentAlignment.MiddleCenter, true, false, false, false, (tabControl.RightToLeft == RightToLeft.Yes), false, orientation, true); }
protected override void OnPaint(PaintEventArgs e) { //Simulate Transparency if (BackColor == Color.Transparent) { #if !PocketPC if (Parent is ISupportsTransparentChildRendering) { ((ISupportsTransparentChildRendering)Parent).TransparentChild = this; } System.Drawing.Drawing2D.GraphicsContainer g = e.Graphics.BeginContainer(); Rectangle translateRect = this.Bounds; e.Graphics.TranslateTransform(-Left, -Top); PaintEventArgs pe = new PaintEventArgs(e.Graphics, translateRect); this.InvokePaintBackground(Parent, pe); this.InvokePaint(Parent, pe); //fixed bug#:796041, the forgound not need to display //this.InvokePaint(Parent, pe); e.Graphics.ResetTransform(); e.Graphics.EndContainer(g); pe.Dispose(); if (Parent is ISupportsTransparentChildRendering) { ((ISupportsTransparentChildRendering)Parent).TransparentChild = null; } #endif } ControlRenderer.FillRectAccordingToGradientStyle(e.Graphics, ClientRectangle, BackColor, LinkColor, 0, false, GradientColor, GradientStyle); ContentAlignment newTextAlign = ControlUtils.GetOrgContentAligment(RightToLeft, TextAlign); FontDescription font = new FontDescription(Font); ControlRenderer.PrintText(e.Graphics, ClientRectangle, LinkColor, font, Text, false, newTextAlign, Enabled, true, !UseMnemonic, false, (RightToLeft == RightToLeft.Yes)); //fixed bug #:765815 : when parking on hypertext button,focus need to seen on text on the button (not on entire button) if (Focused) { Size textExt = Utils.GetTextExt(Font, Text, this); // get the display the focus on the text of the control Rectangle textRect = ControlUtils.GetFocusRect(this, ClientRectangle, newTextAlign, textExt); //ass offset, it will look as in online textRect.Inflate(2, 2); textRect.Width -= 2; textRect.Height -= 1; textRect.X = Math.Max(1, textRect.X); textRect.Y = Math.Max(1, textRect.Y); textRect.Width = Math.Min(textRect.Width, ClientRectangle.Width - textRect.X); textRect.Height = Math.Min(textRect.Height, ClientRectangle.Height - textRect.Y); ControlPaint.DrawFocusRectangle(e.Graphics, textRect); } }
/// <summary> Renders the text on the Control. </summary> /// <param name="g"></param> /// <param name="rect"></param> /// <param name="fgColor"></param> protected virtual void PaintForeground(Graphics g, Rectangle rect, Color fgColor) { Rectangle drawRect = rect; String str = GetNotFocusedText(); if (UseSystemPasswordChar && str != null && !HasHintWithoutText()) { StringBuilder sb = new StringBuilder(); sb.Append(PasswordChar, str.Length); str = sb.ToString(); } else if (Multiline) { // find the character near the top left corner of the control. int charIdx = GetCharIndexFromPosition(new Point(ClientRectangle.Left, ClientRectangle.Top + 2)); str = str.Substring(charIdx); } ControlRenderer.PrintText(g, drawRect, GetNotFocusedColor(), FontDescription, str, Multiline, TextAlign, Enabled, WordWrap, true, false, RightToLeft == RightToLeft.Yes); }
/// <summary> /// Draw the text and the focus rectangle on a CheckBox/RadioButon control. /// </summary> /// <param name="control"></param> /// <param name="e"></param> /// <param name="textToDisplay"></param> public static void DrawTextAndFocusRect(ButtonBase control, PaintEventArgs e, String textToDisplay, Rectangle rectangle, int textOffset) { bool isMultiLine = ControlUtils.GetIsMultiLine(control); Rectangle textRect = new Rectangle(); Size textSize = new Size(); ContentAlignment NewTextAli = ContentAlignment.MiddleCenter; FontDescription font = new FontDescription(control.Font); if (!String.IsNullOrEmpty(textToDisplay)) { textRect = rectangle; NewTextAli = ControlUtils.GetOrgContentAligment(control.RightToLeft, control.TextAlign); textSize = Utils.GetTextExt(control.Font, textToDisplay, control); ControlUtils.AlignmentInfo AlignmentInfo = ControlUtils.GetAlignmentInfo(control.TextAlign); int Offset = (int)((float)(BOX_WIDTH + textOffset) * Utils.GetDpiScaleRatioX(control)); switch (AlignmentInfo.HorAlign) { case AlignmentTypeHori.Left: if (control.RightToLeft == RightToLeft.No) { textRect.X += Offset; textRect.Width -= Offset; } if (control.RightToLeft == RightToLeft.Yes) { textRect.X -= Offset; } break; case AlignmentTypeHori.Right: if (isMultiLine && control.RightToLeft == RightToLeft.No) { textRect.X += Offset; textRect.Width -= Offset; } break; case AlignmentTypeHori.Center: if (control.RightToLeft == RightToLeft.No) { textRect.X += Offset; textRect.Width -= Offset; // if the text is bigger then the display rect. if (!isMultiLine) { if (textSize.Width > textRect.Width) { textRect.X += (int)(((textRect.Width - textSize.Width) / 2)); textRect.Width = Math.Max(textRect.Width, textSize.Width); } } } else if (control.RightToLeft == RightToLeft.Yes) { textRect.X -= Offset; textRect.Width += Offset; } break; } ControlRenderer.PrintText(e.Graphics, textRect, control.ForeColor, font, textToDisplay, isMultiLine, NewTextAli, control.Enabled, true, false, true, control.RightToLeft == RightToLeft.Yes, true); } // display the focus on the text of the control if (control.Focused) { if (!String.IsNullOrEmpty(textToDisplay)) { if (isMultiLine) { textSize = GetTextSize(e, textToDisplay, font, ref textRect, isMultiLine); } // get the display the focus on the text of the control textRect = ControlUtils.GetFocusRect(control, textRect, NewTextAli, textSize); ControlPaint.DrawFocusRectangle(e.Graphics, textRect); } else { //For CheckBox, if the text is not available, focus rect should be drawn on the Glyph. if (control is MgCheckBox) { DrawFocusRectOnCheckBoxGlyph((MgCheckBox)control, e.Graphics); } } } }
/// <summary>paint the push button control /// Can be called from : /// 1. push control with property 'ButtonStyle' = button /// 2. CheckBox control with property appearance = button /// 3. Radio control with property appearance = button /// </summary> /// <param name="mgButton"></param> /// <param name="e"></param> private static void DrawText(Control control, PaintEventArgs e) { Debug.Assert(control.Visible); bool restoreClip = false; Region r = e.Graphics.Clip; bool isImage = false; ContentAlignment textAlign = ContentAlignment.MiddleLeft; RightToLeft rightToLeft = RightToLeft.No; String Text = ((IDisplayInfo)control).TextToDisplay; if (Text == null) { return; } Rectangle displayRect = control.ClientRectangle; #if PocketPC if (control is MgButtonBase) { isImage = ((MgButtonBase)control).BackgroundImage != null; textAlign = ((MgButtonBase)control).TextAlign; rightToLeft = ((MgButtonBase)control).RightToLeft; } else if (control is MgCheckBox) { isImage = ((MgCheckBox)control).Image != null; textAlign = ((MgCheckBox)control).TextAlign; rightToLeft = ((MgCheckBox)control).RightToLeft; } else { Debug.Assert(false); } #else if (control is ButtonBase) { if (control is IImageProperty) { isImage = ((IImageProperty)control).Image != null; } else { isImage = ((ButtonBase)control).BackgroundImage != null; } textAlign = ((ButtonBase)control).TextAlign; rightToLeft = ((ButtonBase)control).RightToLeft; } else { Debug.Assert(false); } #endif // The runtime engine sends the alignment in reverse order if rightToLeft=Yes. // This is because the .net framework need it to be in the reverse order when rightToLeft=Yes. // So, when we paint the control, we should convert it back to the original alignment. textAlign = ControlUtils.GetOrgContentAligment(rightToLeft, textAlign); if (!isImage) { //2. get the display rect displayRect = GetTextRect(control); if (control is MgPushButton) { restoreClip = true; using (Region TextRegion = new Region(displayRect)) { e.Graphics.Clip = TextRegion; } } } bool isMultiLine = ControlUtils.GetIsMultiLine(control); bool RTL = rightToLeft == RightToLeft.Yes ? true : false; //4. display the text of the control FontDescription font = new FontDescription(control.Font); ControlRenderer.PrintText(e.Graphics, displayRect, control.ForeColor, font, Text, isMultiLine, textAlign, control.Enabled, false, false, false, RTL, true); if (restoreClip) { e.Graphics.Clip = r; } //focus rect should not be drawn for image button. if (!ControlUtils.IsImageButton(control)) { if (control.Focused) { displayRect.Inflate(-1, -1); ControlPaint.DrawFocusRectangle(e.Graphics, displayRect); } } }
/// <summary> /// /// </summary> /// <param name="graphics"></param> /// <param name="rect"></param> protected virtual void DrawForeground(Graphics graphics, Rectangle rect) { ControlRenderer.PrintText(graphics, rect, ForeColor, FontDescription, Text, Multiline, TextAlign, Enabled, true, !UseMnemonic, false, (RightToLeft == RightToLeft.Yes), FontOrientation); }