wxscintilla.cpp

非常好用的可移植的多平台C/C++源代码编辑器

        int temp = startPos;
        startPos = endPos;
        endPos = temp;
        }
    int len = endPos - startPos;
    if (!len) return wxEmptyString;
    wxMemoryBuffer mbuf(len+1);
    char* buf = (char*)mbuf.GetWriteBuf(len);
    TextRange tr;
    tr.lpstrText = buf;
    tr.chrg.cpMin = startPos;
    tr.chrg.cpMax = endPos;
    SendMsg (SCI_GETTEXTRANGE, 0, (long)&tr);
    mbuf.UngetWriteBuf(len);
    mbuf.AppendByte(0);
    return sci2wx(buf);
}

// Draw the selection in normal style or with selection highlighted.
void wxScintilla::HideSelection (bool hide) {
    SendMsg (SCI_HIDESELECTION, hide, 0);
}

// Retrieve the point in the window where a position is displayed.
wxPoint wxScintilla::PointFromPosition (int pos) {
    int x = SendMsg(SCI_POINTXFROMPOSITION, 0, pos);
    int y = SendMsg(SCI_POINTYFROMPOSITION, 0, pos);
    return wxPoint (x, y);
}

// Retrieve the line containing a position.
int wxScintilla::LineFromPosition (int pos) {
    return SendMsg (SCI_LINEFROMPOSITION, pos, 0);
}

// Retrieve the position at the start of a line.
int wxScintilla::PositionFromLine (int line) {
    return SendMsg (SCI_POSITIONFROMLINE, line, 0);
}

// Scroll horizontally and vertically.
void wxScintilla::LineScroll (int columns, int lines) {
    SendMsg (SCI_LINESCROLL, columns, lines);
}

// Ensure the caret is visible.
void wxScintilla::EnsureCaretVisible() {
    SendMsg (SCI_SCROLLCARET, 0, 0);
}

// Replace the selected text with the argument text.
void wxScintilla::ReplaceSelection (const wxString& text) {
    SendMsg (SCI_REPLACESEL, 0, (long)(const char*)wx2sci(text));
}

// Set to read only or read write.
void wxScintilla::SetReadOnly (bool readOnly) {
    SendMsg (SCI_SETREADONLY, readOnly, 0);
}

// Will a paste succeed?
bool wxScintilla::CanPaste() {
    return SendMsg (SCI_CANPASTE, 0, 0) != 0;
}

// Are there any undoable actions in the undo history?
bool wxScintilla::CanUndo() {
    return SendMsg (SCI_CANUNDO, 0, 0) != 0;
}

// Delete the undo history.
void wxScintilla::EmptyUndoBuffer() {
    SendMsg (SCI_EMPTYUNDOBUFFER, 0, 0);
}

// Undo one action in the undo history.
void wxScintilla::Undo() {
    SendMsg (SCI_UNDO, 0, 0);
}

// Cut the selection to the clipboard.
void wxScintilla::Cut() {
    SendMsg (SCI_CUT, 0, 0);
}

// Copy the selection to the clipboard.
void wxScintilla::Copy() {
    SendMsg (SCI_COPY, 0, 0);
}

// Paste the contents of the clipboard into the document replacing the selection.
void wxScintilla::Paste() {
    SendMsg (SCI_PASTE, 0, 0);
}

// Clear the selection.
void wxScintilla::Clear() {
    SendMsg (SCI_CLEAR, 0, 0);
}

// Replace the contents of the document with the argument text.
void wxScintilla::SetText (const wxString& text) {
    SendMsg(SCI_SETTEXT, 0, (long)(const char*)wx2sci(text));
}

// Retrieve all the text in the document.
wxString wxScintilla::GetText() {
    int len  = GetTextLength();
    wxMemoryBuffer mbuf(len+1);   // leave room for the null...
    char* buf = (char*)mbuf.GetWriteBuf(len+1);
    SendMsg (SCI_GETTEXT, len+1, (long)buf);
    mbuf.UngetWriteBuf(len);
    mbuf.AppendByte(0);
    return sci2wx(buf);
}

// Retrieve the number of characters in the document.
int wxScintilla::GetTextLength() {
    return SendMsg (SCI_GETTEXTLENGTH, 0, 0);
}

// Set to overtype (true) or insert mode.
void wxScintilla::SetOvertype (bool overtype) {
    SendMsg (SCI_SETOVERTYPE, overtype, 0);
}

// Returns true if overtype mode is active otherwise false is returned.
bool wxScintilla::GetOvertype() {
    return SendMsg (SCI_GETOVERTYPE, 0, 0) != 0;
}

// Set the width of the insert mode caret.
void wxScintilla::SetCaretWidth (int pixels) {
    SendMsg (SCI_SETCARETWIDTH, pixels, 0);
}

// Returns the width of the insert mode caret.
int wxScintilla::GetCaretWidth() {
    return SendMsg (SCI_GETCARETWIDTH, 0, 0);
}

// Sets the position that starts the target which is used for updating the
// document without affecting the scroll position.
void wxScintilla::SetTargetStart (int pos) {
    SendMsg (SCI_SETTARGETSTART, pos, 0);
}

// Get the position that starts the target.
int wxScintilla::GetTargetStart() {
    return SendMsg (SCI_GETTARGETSTART, 0, 0);
}

// Sets the position that ends the target which is used for updating the
// document without affecting the scroll position.
void wxScintilla::SetTargetEnd (int pos) {
    SendMsg (SCI_SETTARGETEND, pos, 0);
}

// Get the position that ends the target.
int wxScintilla::GetTargetEnd() {
    return SendMsg (SCI_GETTARGETEND, 0, 0);
}

// Replace the target text with the argument text.
// Text is counted so it can contain NULs.
// Returns the length of the replacement text.
int wxScintilla::ReplaceTarget (const wxString& text) {
    wxWX2MBbuf buf = (wxWX2MBbuf)wx2sci(text);
    return SendMsg (SCI_REPLACETARGET, strlen(buf), (long)(const char*)buf);
}

// Replace the target text with the argument text after \d processing.
// Text is counted so it can contain NULs.
// Looks for \d where d is between 1 and 9 and replaces these with the strings
// matched in the last search operation which were surrounded by \( and \).
// Returns the length of the replacement text including any change
// caused by processing the \d patterns.
int wxScintilla::ReplaceTargetRE (const wxString& text) {
    wxWX2MBbuf buf = (wxWX2MBbuf)wx2sci(text);
    return SendMsg (SCI_REPLACETARGETRE, strlen(buf), (long)(const char*)buf);
}

// Search for a counted string in the target and set the target to the found
// range. Text is counted so it can contain NULs.
// Returns length of range or -1 for failure in which case target is not moved.
int wxScintilla::SearchInTarget (const wxString& text) {
    wxWX2MBbuf buf = (wxWX2MBbuf)wx2sci(text);
    return SendMsg (SCI_SEARCHINTARGET, strlen(buf), (long)(const char*)buf);
}

// Set the search flags used by SearchInTarget.
void wxScintilla::SetSearchFlags (int flags) {
    SendMsg (SCI_SETSEARCHFLAGS, flags, 0);
}

// Get the search flags used by SearchInTarget.
int wxScintilla::GetSearchFlags() {
    return SendMsg (SCI_GETSEARCHFLAGS, 0, 0);
}

// Show a call tip containing a definition near position pos.
void wxScintilla::CallTipShow (int pos, const wxString& definition) {
    SendMsg (SCI_CALLTIPSHOW, pos, (long)(const char*)wx2sci(definition));
}

// Remove the call tip from the screen.
void wxScintilla::CallTipCancel() {
    SendMsg (SCI_CALLTIPCANCEL, 0, 0);
}

// Is there an active call tip?
bool wxScintilla::CallTipActive() {
    return SendMsg (SCI_CALLTIPACTIVE, 0, 0) != 0;
}

// Retrieve the position where the caret was before displaying the call tip.
int wxScintilla::CallTipPosAtStart() {
    return SendMsg (SCI_CALLTIPPOSSTART, 0, 0);
}

// Highlight a segment of the definition.
void wxScintilla::CallTipSetHighlight (int startPos, int endPos) {
    SendMsg (SCI_CALLTIPSETHLT, startPos, endPos);
}

// Set the background colour for the call tip.
void wxScintilla::CallTipSetBackground (const wxColour& back) {
    SendMsg (SCI_CALLTIPSETBACK, wxColourAsLong(back), 0);
}

// Set the foreground colour for the call tip.
void wxScintilla::CallTipSetForeground (const wxColour& fore) {
    SendMsg (SCI_CALLTIPSETFORE, wxColourAsLong(fore), 0);
}

// Set the foreground colour for the highlighted part of the call tip.
void wxScintilla::CallTipSetForegroundHighlight (const wxColour& fore) {
    SendMsg (SCI_CALLTIPSETFOREHLT, wxColourAsLong(fore), 0);
}

// Find the display line of a document line taking hidden lines into account.
int wxScintilla::VisibleFromDocLine (int line) {
    return SendMsg (SCI_VISIBLEFROMDOCLINE, line, 0);
}

// Find the document line of a display line taking hidden lines into account.
int wxScintilla::DocLineFromVisible (int lineDisplay) {
    return SendMsg (SCI_DOCLINEFROMVISIBLE, lineDisplay, 0);
}

// The number of display lines needed to wrap a document line
int wxScintilla::WrapCount (int line) {
    return SendMsg (SCI_WRAPCOUNT, line, 0);
}

// Set the fold level of a line.
// This encodes an integer level along with flags indicating whether the
// line is a header and whether it is effectively white space.
void wxScintilla::SetFoldLevel (int line, int level) {
    SendMsg (SCI_SETFOLDLEVEL, line, level);
}

// Retrieve the fold level of a line.
int wxScintilla::GetFoldLevel (int line) {
    return SendMsg (SCI_GETFOLDLEVEL, line, 0);
}

// Find the last child line of a header line.
int wxScintilla::GetLastChild (int line, int level) {
    return SendMsg (SCI_GETLASTCHILD, line, level);
}

// Find the parent line of a child line.
int wxScintilla::GetFoldParent (int line) {
    return SendMsg (SCI_GETFOLDPARENT, line, 0);
}

// Make a range of lines visible.
void wxScintilla::ShowLines (int lineStart, int lineEnd) {
    SendMsg (SCI_SHOWLINES, lineStart, lineEnd);
}

// Make a range of lines invisible.
void wxScintilla::HideLines (int lineStart, int lineEnd) {
    SendMsg (SCI_HIDELINES, lineStart, lineEnd);
}

// Is a line visible?
bool wxScintilla::GetLineVisible (int line) {
    return SendMsg (SCI_GETLINEVISIBLE, line, 0) != 0;
}

// Show the children of a header line.
void wxScintilla::SetFoldExpanded (int line, bool expanded) {
    SendMsg (SCI_SETFOLDEXPANDED, line, expanded);
}

// Is a header line expanded?
bool wxScintilla::GetFoldExpanded (int line) {
    return SendMsg (SCI_GETFOLDEXPANDED, line, 0) != 0;
}

// Switch a header line between expanded and contracted.
void wxScintilla::ToggleFold (int line) {
    SendMsg (SCI_TOGGLEFOLD, line, 0);
}

// Ensure a particular line is visible by expanding any header line hiding it.
void wxScintilla::EnsureVisible (int line) {
    SendMsg (SCI_ENSUREVISIBLE, line, 0);
}

// Set some style options for folding.
void wxScintilla::SetFoldFlags (int flags) {
    SendMsg(SCI_SETFOLDFLAGS, flags, 0);
}

// Ensure a particular line is visible by expanding any header line hiding it.
// Use the currently set visibility policy to determine which range to display.
void wxScintilla::EnsureVisibleEnforcePolicy (int line) {
    SendMsg (SCI_ENSUREVISIBLEENFORCEPOLICY, line, 0);
}

// Sets whether a tab pressed when caret is within indentation indents.
void wxScintilla::SetTabIndents (bool tabIndents) {
    SendMsg (SCI_SETTABINDENTS, tabIndents, 0);
}

// Does a tab pressed when caret is within indentation indent?
bool wxScintilla::GetTabIndents() {
    return SendMsg (SCI_GETTABINDENTS, 0, 0) != 0;
}

// Sets whether a backspace pressed when caret is within indentation unindents.
void wxScintilla::SetBackSpaceUnIndents (bool bsUnIndents) {
    SendMsg (SCI_SETBACKSPACEUNINDENTS, bsUnIndents, 0);
}

// Does a backspace pressed when caret is within indentation unindent?
bool wxScintilla::GetBackSpaceUnIndents() {
    return SendMsg (SCI_GETBACKSPACEUNINDENTS, 0, 0) != 0;
}

// Sets the time the mouse must sit still to generate a mouse dwell event.
void wxScintilla::SetMouseDwellTime (int periodMilliseconds) {
    SendMsg (SCI_SETMOUSEDWELLTIME, periodMilliseconds, 0);
}

// Retrieve the time the mouse must sit still to generate a mouse dwell event.
int wxScintilla::GetMouseDwellTime() {
    return SendMsg (SCI_GETMOUSEDWELLTIME, 0, 0);
}

// Get position of start of word.
int wxScintilla::WordStartPosition (int pos, bool onlyWordCharacters) {
    return SendMsg (SCI_WORDSTARTPOSITION, pos, onlyWordCharacters);
}

// Get position of end of word.
int wxScintilla::WordEndPosition (int pos, bool onlyWordCharacters) {
    return SendMsg (SCI_WORDENDPOSITION, pos, onlyWordCharacters);
}

// Sets whether text is word wrapped.
void wxScintilla::SetWrapMode (int mode) {
    SendMsg (SCI_SETWRAPMODE, mode, 0);
}

// Retrieve whether text is word wrapped.
int wxScintilla::GetWrapMode() {
    return SendMsg (SCI_GETWRAPMODE, 0, 0);
}

// Set the display mode of visual flags for wrapped lines.
void wxScintilla::SetWrapVisualFlags (int wrapVisualFlags) {
    SendMsg (SCI_SETWRAPVISUALFLAGS, wrapVisualFlags, 0);
}

// Retrive the display mode of visual flags for wrapped lines.
int wxScintilla::GetWrapVisualFlags() {
    return SendMsg (SCI_GETWRAPVISUALFLAGS, 0, 0);
}

// Set the location of visual flags for wrapped lines.
void wxScintilla::SetWrapVisualFlagsLocation (int wrapVisualFlagsLocation) {
    SendMsg (SCI_SETWRAPVISUALFLAGSLOCATION, wrapVisualFlagsLocation, 0);
}

// Retrive the location of visual flags for wrapped lines.
int wxScintilla::GetWrapVisualFlagsLocation() {
    return SendMsg (SCI_GETWRAPVISUALFLAGSLOCATION, 0, 0);
}

// Set the start indent for wrapped lines.
void wxScintilla::SetWrapStartIndent (int indent) {
    SendMsg (SCI_SETWRAPSTARTINDENT, indent, 0);