// TODO: remove?
/*
* private void HighlightRtfWords( WordPtr[] words )
* {
* // we use plain text for indexing, so the offsets will not match =>
* // use token-based highlighting
*
* _wordsToHighlight = words;
* _lastHighlightOffset = 0;
* for( _lastHighlightIndex = 0; _lastHighlightIndex < words.Length; _lastHighlightIndex++ )
* {
* // if there are too many words to highlight - use async highlighting, in
* // order not to lock up the UI for too long
* if ( _lastHighlightIndex == 5 )
* {
* _wordHighlightTimer.Start();
* break;
* }
* HighlightNextWord();
* }
* }
*/
private void HighlightNextWord()
{
if (_wordsToHighlight [_lastHighlightIndex].Section != DocumentSection.BodySection)
{
return;
}
int offset = _richTextBox.Find(_wordsToHighlight [_lastHighlightIndex].Text,
_lastHighlightOffset, RichTextBoxFinds.WholeWord);
if (offset >= 0)
{
int highlightLength = _wordsToHighlight [_lastHighlightIndex].Text.Length;
_lastHighlightOffset = offset + highlightLength;
_richTextBox.Select(offset, highlightLength);
CHARFORMAT2 fmt = new CHARFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.dwMask = CFM.BACKCOLOR | CFM.COLOR;
fmt.crBackColor = ColorTranslator.ToWin32(SystemColors.Highlight);
fmt.crTextColor = ColorTranslator.ToWin32(SystemColors.HighlightText);
Win32Declarations.SendMessage(_richTextBox.Handle, EditMessage.SETCHARFORMAT, SCF.SELECTION, ref fmt);
}
}
private void HighlightDescriptionLinks()
{
_linkTextMap = new Dictionary <string, string>();
foreach (LinkRegex res in Core.ResourceStore.GetAllResources(LinkRegex.ResourceType))
{
string regexMatch = res.RegexMatch;
string regexReplace = res.RegexReplace;
if (String.IsNullOrEmpty(regexMatch) || String.IsNullOrEmpty(regexReplace))
{
continue;
}
Regex rxMatch = new Regex(regexMatch);
foreach (Match m in rxMatch.Matches(_edtDescription.Text))
{
_edtDescription.Select(m.Index, m.Length);
CHARFORMAT2 fmt = new CHARFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.dwMask = CFM.EFFECTS;
fmt.dwEffects = (uint)CFM.LINK;
SendMessage(_edtDescription.Handle, EditMessage.SETCHARFORMAT, SCF.SELECTION, ref fmt);
_linkTextMap [m.Value] = rxMatch.Replace(m.Value, regexReplace);
}
}
_edtDescription.Select(0, 0);
}
private void SetColor(Color backColor, Color foreColor)
{
CHARFORMAT2 charFormat = new CHARFORMAT2();
charFormat.cbSize = Marshal.SizeOf(typeof(CHARFORMAT2));
charFormat.dwMask = NuGenConstants.CFM_BACKCOLOR | NuGenConstants.CFM_COLOR;
charFormat.crBackColor = MakeColorRef(backColor.R, backColor.G, backColor.B);
charFormat.crTextColor = MakeColorRef(foreColor.R, foreColor.G, foreColor.B);
IntPtr lparam = IntPtr.Zero;
try
{
lparam = Marshal.AllocHGlobal(charFormat.cbSize);
IntPtr wparam = new IntPtr(NuGenConstants.SCF_SELECTION);
Marshal.StructureToPtr(charFormat, lparam, false);
SendMessage(Handle, NuGenConstants.EM_SETCHARFORMAT, wparam, lparam);
}
catch
{
throw;
}
finally
{
if (lparam != IntPtr.Zero)
{
Marshal.DestroyStructure(lparam, typeof(CHARFORMAT2));
Marshal.FreeHGlobal(lparam);
}
}
}
public static void ClearAllFormatting(this RichTextBox te, Font font)
{
CHARFORMAT2 fmt = new CHARFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.dwMask = CFM_ALL2;
fmt.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR;
fmt.szFaceName = font.FontFamily.Name;
double size = font.Size;
size /= 72; //logical dpi (pixels per inch)
size *= 1440.0; //twips per inch
fmt.yHeight = (int)size; //165
fmt.yOffset = 0;
fmt.crTextColor = 0;
fmt.bCharSet = 1; // DEFAULT_CHARSET;
fmt.bPitchAndFamily = 0; // DEFAULT_PITCH;
fmt.wWeight = 400; // FW_NORMAL;
fmt.sSpacing = 0;
fmt.crBackColor = 0;
//fmt.lcid = ???
fmt.dwMask &= ~CFM_LCID;//don't know how to get this...
fmt.dwReserved = 0;
fmt.sStyle = 0;
fmt.wKerning = 0;
fmt.bUnderlineType = 0;
fmt.bAnimation = 0;
fmt.bRevAuthor = 0;
fmt.bReserved1 = 0;
SendMessage(te.Handle, EM_SETCHARFORMAT, SCF_ALL, ref fmt);
}
public static bool IsUnderlined(this RichTextBox te)
{
var CharFormat = new CHARFORMAT2();
CharFormat.cbSize = Marshal.SizeOf(CharFormat);
SendMessage(te.Handle, EM_GETCHARFORMAT, SCF_SELECTION, ref CharFormat);
return((CharFormat.dwMask & CFM_UNDERLINETYPE) != 0 && CharFormat.bUnderlineType == CFU_UNDERLINEWAVE);
}
/// <summary>
/// Initializes the object to an indeterminate state.
/// </summary>
public AsyncHighlightState(WordPtr[] words)
{
Words = words;
Fmt = new CHARFORMAT2();
Fmt.cbSize = Marshal.SizeOf(Fmt);
Fmt.dwMask = CFM.BACKCOLOR | CFM.COLOR;
HashSources = new Hashtable();
}
public static void CreateLink(RichTextBox rtb, int n_begin, int n_length)
{
rtb.Select(n_begin, n_length);
CHARFORMAT2 cf2 = new CHARFORMAT2();
cf2.cbSize = Marshal.SizeOf(typeof(CHARFORMAT2));
cf2.dwMask = CFM_LINK;
cf2.dwEffects = CFE_LINK;
SendMessageCHARFORMAT(rtb.Handle, EM_SETCHARFORMAT, SCF_SELECTION, ref cf2);
rtb.Select(rtb.TextLength, 0);
}
public void GetRTHighlight(ref Color back, ref Color fore, Color AlphaBackColor)
{
CHARFORMAT2 structure = default(CHARFORMAT2);
structure.cbSize = Marshal.SizeOf(structure);
IntPtr intPtr = Marshal.AllocCoTaskMem(structure.cbSize);
Marshal.StructureToPtr(structure, intPtr, fDeleteOld: false);
intPtr = (IntPtr)SendMessageToMaster(EM_GETCHARFORMAT, (IntPtr)SCF_SELECTION, intPtr, 3);
structure = (CHARFORMAT2)Marshal.PtrToStructure(intPtr, typeof(CHARFORMAT2));
back = ((structure.crBackColor == 0) ? AlphaBackColor : ColorTranslator.FromWin32(structure.crBackColor));
fore = ColorTranslator.FromWin32(structure.crTextColor);
Marshal.FreeCoTaskMem(intPtr);
}
public void SetRTHighlight(Color back, Color fore)
{
CHARFORMAT2 structure = default(CHARFORMAT2);
structure.dwMask = (CFM_BACKCOLOR | CFM_COLOR);
structure.cbSize = Marshal.SizeOf(structure);
structure.crBackColor = ColorTranslator.ToWin32(back);
structure.crTextColor = ColorTranslator.ToWin32(fore);
IntPtr intPtr = Marshal.AllocCoTaskMem(structure.cbSize);
Marshal.StructureToPtr(structure, intPtr, fDeleteOld: false);
SendMessageToMaster(EM_SETCHARFORMAT, (IntPtr)SCF_SELECTION, intPtr, 1);
Marshal.FreeCoTaskMem(intPtr);
}
private static CHARFORMAT2 GetCharFormat(this RichTextBox richTextBox, bool fSelection)
{
// Either CHARFORMAT or CHARFORMAT2 can be used as long as the cbSize is set correctly.
// https://msdn.microsoft.com/en-us/library/windows/desktop/bb774230.aspx
// Force handle creation
if (!richTextBox.IsHandleCreated)
{
var handle = richTextBox.Handle;
}
var cf2 = new CHARFORMAT2();
UnsafeNativeMethods.SendMessage(new HandleRef(richTextBox, richTextBox.Handle), RichTextBoxConstants.EM_GETCHARFORMAT, fSelection ? RichTextBoxConstants.SCF_SELECTION : RichTextBoxConstants.SCF_DEFAULT, cf2);
return(cf2);
}
public static void SetSelectionCharOffsetInTwips(this RichTextBox richTextBox, int offsetInTwips)
{
// Adapted from http://referencesource.microsoft.com/#System.Windows.Forms/winforms/Managed/System/WinForms/RichTextBox.cs,7765c7694b8e433f
// Force handle creation
if (!richTextBox.IsHandleCreated)
{
var handle = richTextBox.Handle;
}
var cf2 = new CHARFORMAT2();
cf2.dwMask = RichTextBoxConstants.CFM_OFFSET;
cf2.yOffset = offsetInTwips;
UnsafeNativeMethods.SendMessage(new HandleRef(richTextBox, richTextBox.Handle), RichTextBoxConstants.EM_SETCHARFORMAT, RichTextBoxConstants.SCF_SELECTION, cf2);
}
public static void SetUnderline(this RichTextBox te, bool Underline)
{
var CharFormat = new CHARFORMAT2();
CharFormat.cbSize = Marshal.SizeOf(CharFormat);
SendMessage(te.Handle, EM_GETCHARFORMAT, SCF_SELECTION, ref CharFormat);
CHARFORMAT2 fmt = new CHARFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.dwMask = CFM_UNDERLINETYPE;
fmt.bUnderlineType = Underline ? CFU_UNDERLINEWAVE : CFU_UNDERLINENONE;
SendMessage(te.Handle, EM_SETCHARFORMAT, SCF_SELECTION, ref fmt);
}
public static void SetSelectionBackColor(this RichTextBox richTextBox, Color value)
{
if (richTextBox.IsHandleCreated && value == Color.Empty)
{
var cf2 = new CHARFORMAT2();
cf2.dwEffects = RichTextBoxConstants.CFE_AUTOBACKCOLOR;
cf2.dwMask = RichTextBoxConstants.CFM_BACKCOLOR;
cf2.crBackColor = ColorTranslator.ToWin32(value);
UnsafeNativeMethods.SendMessage(new HandleRef(richTextBox, richTextBox.Handle), RichTextBoxConstants.EM_SETCHARFORMAT, RichTextBoxConstants.SCF_SELECTION, cf2);
}
else
{
richTextBox.SelectionBackColor = value;
}
}
/// <summary>
/// Sets the font name for the selected text of the RichTextBox
/// </summary>
/// <param name="richTextBox">RichTextBox control</param>
/// <param name="fontName">Name of the font to use</param>
/// <returns>Returns true on success, false on failure</returns>
public static bool SelectionFontName(RichTextBox richTextBox, string fontName)
{
var cf = new CHARFORMAT2();
cf.cbSize = Marshal.SizeOf(cf);
cf.dwMask = CFM_FACE;
cf.szFaceName = fontName.Length > 32 ? fontName.Remove(32) : fontName;
IntPtr lParam = Marshal.AllocCoTaskMem(Marshal.SizeOf(cf));
Marshal.StructureToPtr(cf, lParam, false);
int res = SendMessage(richTextBox.Handle, EM_SETCHARFORMAT, SCF_SELECTION, lParam);
return(res == 0);
}
/// <summary>
/// Sets the font size for the selected text of the RichTextBox
/// </summary>
/// <param name="richTextBox">RichTextBox control</param>
/// <param name="fontSize">Font size to use</param>
/// <returns>Returns true on success, false on failure</returns>
public static bool SelectionFontSize(RichTextBox richTextBox, int fontSize)
{
var cf = new CHARFORMAT2();
cf.cbSize = Marshal.SizeOf(cf);
cf.dwMask = CFM_SIZE;
cf.yHeight = fontSize * 20; // yHeight is in 1/20 pt
IntPtr lParam = Marshal.AllocCoTaskMem(Marshal.SizeOf(cf));
Marshal.StructureToPtr(cf, lParam, false);
int res = SendMessage(richTextBox.Handle, EM_SETCHARFORMAT, SCF_SELECTION, lParam);
return(res == 0);
}
/// <summary>
/// Sets the font style for the selected text of the RichTextBox
/// </summary>
/// <param name="richTextBox">RichTextBox control</param>
/// <param name="mask">Mask to determine which styles will be modified</param>
/// <param name="effect">New values for the styles</param>
/// <returns>Returns true on success, false on failure</returns>
private static bool SetSelectionStyle(RichTextBox richTextBox, Color fontColor, Color backColor, UInt32 mask, UInt32 effect)
{
var cf = new CHARFORMAT2();
cf.cbSize = Marshal.SizeOf(cf);
cf.crTextColor = ColorTranslator.ToWin32(fontColor);
cf.crBackColor = ColorTranslator.ToWin32(backColor);
cf.dwMask = mask;
cf.dwEffects = effect;
IntPtr lParam = Marshal.AllocCoTaskMem(Marshal.SizeOf(cf));
Marshal.StructureToPtr(cf, lParam, false);
int res = SendMessage(richTextBox.Handle, EM_SETCHARFORMAT, SCF_SELECTION, lParam);
return(res == 0);
}
/// <summary>
/// Sets the font color for the word in the selected point of the RichTextBox
/// </summary>
/// <param name="richTextBox">RichTextBox control</param>
/// <param name="color">Color to apply</param>
/// <returns>Returns true on success, false on failure</returns>
public static bool WordFontColor(RichTextBox richTextBox, Color color)
{
var cf = new CHARFORMAT2();
cf.cbSize = Marshal.SizeOf(cf);
cf.crTextColor = ColorTranslator.ToWin32(color);
cf.crBackColor = ColorTranslator.ToWin32(Color.Empty);
cf.dwMask = CFM_COLOR;
cf.dwEffects = 0;
IntPtr lParam = Marshal.AllocCoTaskMem(Marshal.SizeOf(cf));
Marshal.StructureToPtr(cf, lParam, false);
int res = SendMessage(richTextBox.Handle, EM_SETCHARFORMAT, SCF_SELECTION | SCF_WORD, lParam);
return(res == 0);
}
internal static extern int SendMessage(IntPtr hWnd, int wMsg, int wParam, ref CHARFORMAT2 format);
internal static extern IntPtr SendMessage(HandleRef hWnd, int msg, IntPtr wParam, ref CHARFORMAT2 lParam);
internal static extern IntPtr SendMessage(HandleRef hWnd, int msg, IntPtr wParam, ref CHARFORMAT2 lParam);
private static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, UInt32 wParam, ref CHARFORMAT2 lParam);
internal static extern int SendMessage(HandleRef hWnd, int msg, int wParam, ref CHARFORMAT2 lParam);
private static extern int SendMessage(IntPtr hWnd, EditMessage msg, SCF wParam, ref CHARFORMAT2 fmt);
private static extern IntPtr SendMessageCHARFORMAT(IntPtr hWnd, uint Msg, int wParam, ref CHARFORMAT2 lParam);
public static extern IntPtr SendMessage(HandleRef hWnd, int msg, int wParam, [In, Out, MarshalAs(UnmanagedType.LPStruct)] CHARFORMAT2 lParam);
public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, ref CHARFORMAT2 cf2);
private void SetColor(Color backColor, Color foreColor)
{
CHARFORMAT2 charFormat = new CHARFORMAT2();
charFormat.cbSize = Marshal.SizeOf(typeof(CHARFORMAT2));
charFormat.dwMask = NuGenConstants.CFM_BACKCOLOR | NuGenConstants.CFM_COLOR;
charFormat.crBackColor = MakeColorRef(backColor.R, backColor.G, backColor.B);
charFormat.crTextColor = MakeColorRef(foreColor.R, foreColor.G, foreColor.B);
IntPtr lparam = IntPtr.Zero;
try
{
lparam = Marshal.AllocHGlobal(charFormat.cbSize);
IntPtr wparam = new IntPtr(NuGenConstants.SCF_SELECTION);
Marshal.StructureToPtr(charFormat, lparam, false);
SendMessage(Handle, NuGenConstants.EM_SETCHARFORMAT, wparam, lparam);
}
catch
{
throw;
}
finally
{
if (lparam != IntPtr.Zero)
{
Marshal.DestroyStructure(lparam, typeof(CHARFORMAT2));
Marshal.FreeHGlobal(lparam);
}
}
}
internal static IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, ref CHARFORMAT2 cf)
{
IntPtr lParam = Marshal.AllocCoTaskMem(Marshal.SizeOf(cf));
Marshal.StructureToPtr(cf, lParam, false);
return NativeMethods.SendMessage(hWnd, msg, wParam, lParam);
}
internal static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, ref CHARFORMAT2 lParam);
internal static extern int SendMessage(HandleRef hWnd, int msg, int wParam, ref CHARFORMAT2 lParam);
public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, ref CHARFORMAT2 cf2);
