mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-15 22:02:49 -06:00
701 lines
14 KiB
C++
701 lines
14 KiB
C++
#include <CtrlLib/CtrlLib.h>
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NAMESPACE_UPP
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TextCtrl::TextCtrl()
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{
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Unicode();
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undosteps = 10;
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Clear();
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undoserial = 0;
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incundoserial = false;
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undo_op = false;
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WhenBar = THISBACK(StdBar);
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charset = CHARSET_UNICODE;
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color[INK_NORMAL] = SColorText;
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color[INK_DISABLED] = SColorDisabled;
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color[INK_SELECTED] = SColorHighlightText;
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color[PAPER_NORMAL] = SColorPaper;
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color[PAPER_READONLY] = SColorFace;
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color[PAPER_SELECTED] = SColorHighlight;
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processtab = true;
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processenter = true;
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nobg = false;
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}
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TextCtrl::~TextCtrl() {}
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void TextCtrl::MiddleDown(Point p, dword flags)
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{
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if(IsReadOnly())
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return;
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if(AcceptText(Selection())) {
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WString w = GetWString(Selection());
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selclick = false;
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LeftDown(p, flags);
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Paste(w);
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Action();
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}
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}
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void TextCtrl::CancelMode()
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{
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selclick = false;
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dropcaret = Null;
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isdrag = false;
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}
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void TextCtrl::Clear()
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{
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cline = cpos = 0;
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total = 0;
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line.Clear();
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line.Shrink();
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ClearLines();
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line.Add();
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InsertLines(0, 1);
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DirtyFrom(0);
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anchor = -1;
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cursor = 0;
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SelectionChanged();
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Refresh();
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undo.Clear();
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redo.Clear();
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ClearDirty();
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SetSb();
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PlaceCaret(0);
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}
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void TextCtrl::DirtyFrom(int line) {}
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void TextCtrl::SelectionChanged() {}
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void TextCtrl::ClearLines() {}
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void TextCtrl::InsertLines(int line, int count) {}
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void TextCtrl::RemoveLines(int line, int count) {}
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void TextCtrl::PreInsert(int pos, const WString& text) {}
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void TextCtrl::PostInsert(int pos, const WString& text) {}
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void TextCtrl::PreRemove(int pos, int size) {}
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void TextCtrl::PostRemove(int pos, int size) {}
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void TextCtrl::RefreshLine(int i) {}
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void TextCtrl::InvalidateLine(int i) {}
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void TextCtrl::SetSb() {}
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void TextCtrl::PlaceCaret(int newcursor, bool sel) {}
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void TextCtrl::CachePos(int pos) {
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int p = pos;
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cline = GetLinePos(p);
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cpos = pos - p;
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}
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int TextCtrl::Load(Stream& s, byte charset) {
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Clear();
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line.Clear();
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ClearLines();
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StringBuffer ln;
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total = 0;
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SetCharset(charset);
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if(charset == CHARSET_UTF8_BOM && s.GetLeft() >= 3) {
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int64 pos = s.GetPos();
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byte h[3];
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if(!(s.Get(h, 3) == 3 && h[0] == 0xEF && h[1] == 0xBB && h[2] == 0xBF))
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s.Seek(pos);
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charset = CHARSET_UTF8;
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}
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bool cr = false;
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byte b8 = 0;
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while(!s.IsEof()) {
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int c = s.Get();
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if(c == '\r')
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cr = true;
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if(c == '\n') {
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if(b8 & 128) { // There are some chars > 127, need to convert
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WString w = ToUnicode(~ln, ln.GetCount(), charset);
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line.Add(w);
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total += w.GetLength() + 1;
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}
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else {
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total += ln.GetCount() + 1;
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Ln& l = line.Add();
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l.len = ln.GetCount();
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l.text = ln;
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}
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ln.Clear();
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b8 = 0;
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}
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if(c >= ' ' || c == '\t') {
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b8 |= c;
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ln.Cat(c);
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}
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}
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WString w = ToUnicode(~ln, ln.GetCount(), charset);
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line.Add(w);
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total += w.GetLength();
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InsertLines(0, line.GetCount());
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Update();
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SetSb();
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PlaceCaret(0);
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return line.GetCount() > 1 ? cr ? LE_CRLF : LE_LF : LE_DEFAULT;
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}
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void TextCtrl::Save(Stream& s, byte charset, int line_endings) const {
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if(charset == CHARSET_UTF8_BOM) {
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static byte bom[] = { 0xEF, 0xBB, 0xBF };
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s.Put(bom, 3);
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charset = CHARSET_UTF8;
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}
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charset = ResolveCharset(charset);
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String le = "\n";
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#ifdef PLATFORM_WIN32
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if(line_endings == LE_DEFAULT)
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le = "\r\n";
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#endif
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if(line_endings == LE_CRLF)
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le = "\r\n";
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for(int i = 0; i < line.GetCount(); i++) {
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if(i)
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s.Put(le);
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String txt = charset == CHARSET_UTF8 ? line[i].text
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: FromUnicode(line[i], charset);
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const char *e = txt.End();
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for(const char *w = txt; w != e; w++)
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s.Put(*w == DEFAULTCHAR ? '?' : *w);
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}
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}
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void TextCtrl::Set(const String& s, byte charset) {
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StringStream ss(s);
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Load(ss, charset);
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}
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String TextCtrl::Get(byte charset) const
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{
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StringStream ss;
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Save(ss, charset);
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return ss;
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}
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int TextCtrl::GetInvalidCharPos(byte charset) const
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{
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int q = 0;
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if(charset != CHARSET_UTF8 && charset != CHARSET_UTF8_BOM)
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for(int i = 0; i < line.GetCount(); i++) {
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WString txt = line[i];
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WString ctxt = ToUnicode(FromUnicode(txt, charset), charset);
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for(int w = 0; w < txt.GetLength(); w++)
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if(txt[w] != ctxt[w])
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return q + w;
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q += txt.GetLength() + 1;
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}
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return -1;
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}
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void TextCtrl::ClearDirty()
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{
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dirty = 0;
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ClearModify();
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WhenState();
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}
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TextCtrl::UndoData TextCtrl::PickUndoData()
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{
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UndoData data;
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data.undo = undo;
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data.redo = redo;
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data.undoserial = undoserial;
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return data;
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}
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void TextCtrl::SetPickUndoData(pick_ TextCtrl::UndoData& data)
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{
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undo = data.undo;
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redo = data.redo;
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undoserial = data.undoserial;
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incundoserial = true;
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}
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void TextCtrl::Set(const WString& s)
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{
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Clear();
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Insert0(0, s);
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}
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void TextCtrl::SetData(const Value& v)
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{
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Set((WString)v);
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}
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Value TextCtrl::GetData() const
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{
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return GetW();
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}
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String TextCtrl::GetEncodedLine(int i, byte charset) const
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{
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charset = ResolveCharset(charset);
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if(charset == CHARSET_UTF8 && charset != CHARSET_UTF8_BOM)
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return line[i].text;
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return FromUnicode(FromUtf8(line[i].text), charset);
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}
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int TextCtrl::GetLinePos(int& pos) const {
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if(pos < cpos && cpos - pos < pos) {
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int i = cline;
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int ps = cpos;
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for(;;) {
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ps -= line[--i].GetLength() + 1;
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if(ps <= pos) {
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pos = pos - ps;
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return i;
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}
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}
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}
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else {
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int i = 0;
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if(pos >= cpos) {
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pos -= cpos;
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i = cline;
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}
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for(;;) {
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int n = line[i].GetLength() + 1;
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if(pos < n) return i;
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pos -= n;
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i++;
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if(i >= line.GetCount()) {
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pos = line.Top().GetLength();
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return line.GetCount() - 1;
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}
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}
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}
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}
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int TextCtrl::GetPos(int ln, int lpos) const {
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ln = minmax(ln, 0, line.GetCount() - 1);
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int i, pos;
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if(ln < cline && cline - ln < ln) {
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pos = cpos;
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i = cline;
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while(i > ln)
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pos -= line[--i].GetLength() + 1;
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}
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else {
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if(ln >= cline) {
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pos = cpos;
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i = cline;
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}
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else {
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pos = 0;
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i = 0;
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}
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while(i < ln)
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pos += line[i++].GetLength() + 1;
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}
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return pos + min(line[ln].GetLength(), lpos);
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}
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WString TextCtrl::GetW(int pos, int size) const
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{
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int i = GetLinePos(pos);
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WString r;
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for(;;) {
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if(i >= line.GetCount()) break;
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WString ln = line[i++];
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int sz = min(ln.GetLength() - pos, size);
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r.Cat(ln.Mid(pos, sz));
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size -= sz;
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if(size == 0) break;
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#ifdef PLATFORM_WIN32
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r.Cat('\r');
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#endif
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r.Cat('\n');
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size--;
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if(size == 0) break;
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pos = 0;
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}
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return r;
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}
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String TextCtrl::Get(int pos, int size, byte charset) const
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{
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return FromUnicode(GetW(pos, size), charset);
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}
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int TextCtrl::GetChar(int pos) const {
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int i = GetLinePos(pos);
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WString ln = line[i];
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int c = ln.GetLength() == pos ? '\n' : ln[pos];
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return c;
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}
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int TextCtrl::Insert0(int pos, const WString& txt) {
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int inspos = pos;
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PreInsert(inspos, txt);
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if(pos < cpos)
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cpos = cline = 0;
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int i = GetLinePos(pos);
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DirtyFrom(i);
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int size = 0;
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WString ln;
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Vector<Ln> iln;
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for(const wchar *s = txt; s < txt.End(); s++)
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if(*s >= ' ' || *s == '\t') {
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ln.Cat(*s);
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size++;
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}
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else
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if(*s == '\n') {
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iln.Add(ln);
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size++;
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ln.Clear();
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}
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WString l = line[i];
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if(iln.GetCount()) {
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iln[0] = l.Mid(0, pos) + WString(iln[0]);
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ln.Cat(l.Mid(pos));
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line[i] = ln;
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InvalidateLine(i);
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line.Insert(i, iln);
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InsertLines(i, iln.GetCount());
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Refresh();
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}
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else {
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line[i] = l.Mid(0, pos) + ln + l.Mid(pos);
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InvalidateLine(i);
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RefreshLine(i);
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}
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total += size;
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SetSb();
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Update();
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PostInsert(inspos, txt);
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return size;
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}
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void TextCtrl::Remove0(int pos, int size) {
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int rmpos = pos, rmsize = size;
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PreRemove(rmpos, rmsize);
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total -= size;
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if(pos < cpos)
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cpos = cline = 0;
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int i = GetLinePos(pos);
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DirtyFrom(i);
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WString ln = line[i];
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int sz = min(ln.GetLength() - pos, size);
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ln.Remove(pos, sz);
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size -= sz;
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line[i] = ln;
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if(size == 0) {
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InvalidateLine(i);
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RefreshLine(i);
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}
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else {
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size--;
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int j = i + 1;
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for(;;) {
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int sz = line[j].GetLength() + 1;
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if(sz > size) break;
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j++;
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size -= sz;
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}
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WString p1 = line[i];
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WString p2 = line[j];
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p1.Insert(p1.GetLength(), p2.Mid(size, p2.GetLength() - size));
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line[i] = p1;
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line.Remove(i + 1, j - i);
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RemoveLines(i + 1, j - i);
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InvalidateLine(i);
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Refresh();
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}
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Update();
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PostRemove(rmpos, rmsize);
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SetSb();
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}
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void TextCtrl::Undodo()
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{
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while(undo.GetCount() > undosteps)
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undo.DropHead();
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redo.Clear();
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}
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void TextCtrl::NextUndo()
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{
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undoserial += incundoserial;
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incundoserial = false;
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}
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void TextCtrl::IncDirty() {
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dirty++;
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if(dirty == 0 || dirty == 1)
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{
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if(dirty)
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SetModify();
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else
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ClearModify();
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WhenState();
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}
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}
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void TextCtrl::DecDirty() {
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dirty--;
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if(dirty == 0 || dirty == -1)
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{
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if(dirty)
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SetModify();
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else
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ClearModify();
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WhenState();
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}
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}
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int TextCtrl::InsertU(int pos, const WString& txt, bool typing) {
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int sz = Insert0(pos, txt);
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if(undosteps) {
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if(undo.GetCount() > 1 && typing && *txt != '\n' && IsDirty()) {
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UndoRec& u = undo.Tail();
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if(u.typing && u.pos + u.size == pos) {
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u.size += txt.GetLength();
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return sz;
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}
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}
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UndoRec& u = undo.AddTail();
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incundoserial = true;
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IncDirty();
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u.serial = undoserial;
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u.pos = pos;
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u.size = sz;
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u.typing = typing;
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}
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return sz;
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}
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void TextCtrl::RemoveU(int pos, int size) {
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if(size + pos > total)
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size = total - pos;
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if(size <= 0) return;
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if(undosteps) {
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UndoRec& u = undo.AddTail();
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incundoserial = true;
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IncDirty();
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u.serial = undoserial;
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u.pos = pos;
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u.size = 0;
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u.text = Get(pos, size, CHARSET_UTF8);
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u.typing = false;
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}
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Remove0(pos, size);
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}
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int TextCtrl::Insert(int pos, const WString& _txt, bool typing) {
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WString txt = _txt;
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if(charset != CHARSET_UNICODE && charset != CHARSET_UTF8_BOM)
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for(int i = 0; i < txt.GetCount(); i++)
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if(FromUnicode(txt[i], charset) == DEFAULTCHAR)
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txt.Set(i, '?');
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int sz = InsertU(pos, txt, typing);
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Undodo();
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return sz;
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}
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int TextCtrl::Insert(int pos, const String& txt, byte charset)
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{
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return Insert(pos, ToUnicode(txt, charset), false);
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}
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void TextCtrl::Remove(int pos, int size) {
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RemoveU(pos, size);
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Undodo();
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}
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void TextCtrl::Undo() {
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if(undo.IsEmpty()) return;
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undo_op = true;
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int nc = 0;
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int s = undo.Tail().serial;
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while(undo.GetCount()) {
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const UndoRec& u = undo.Tail();
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if(u.serial != s)
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break;
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UndoRec& r = redo.AddTail();
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r.serial = s;
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r.typing = false;
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nc = r.pos = u.pos;
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CachePos(r.pos);
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if(u.size) {
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r.size = 0;
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r.text = Get(u.pos, u.size, CHARSET_UTF8);
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Remove0(u.pos, u.size);
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}
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else {
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WString text = FromUtf8(u.text);
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r.size = Insert0(u.pos, text);
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nc += r.size;
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}
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undo.DropTail();
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DecDirty();
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}
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ClearSelection();
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PlaceCaret(nc, false);
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Action();
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undo_op = false;
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}
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void TextCtrl::Redo() {
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if(!redo.GetCount()) return;
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NextUndo();
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int s = redo.Tail().serial;
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int nc = 0;
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while(redo.GetCount()) {
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const UndoRec& r = redo.Tail();
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if(r.serial != s)
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break;
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nc = r.pos + r.size;
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CachePos(r.pos);
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if(r.size)
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RemoveU(r.pos, r.size);
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else
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nc += InsertU(r.pos, FromUtf8(r.text));
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redo.DropTail();
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IncDirty();
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}
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ClearSelection();
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PlaceCaret(nc, false);
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Action();
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}
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void TextCtrl::ClearSelection() {
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anchor = -1;
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Refresh();
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WhenSel();
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|
}
|
|
|
|
void TextCtrl::SetSelection(int l, int h) {
|
|
if(l != h) {
|
|
PlaceCaret(minmax(l, 0, total), false);
|
|
PlaceCaret(minmax(h, 0, total), true);
|
|
}
|
|
else
|
|
SetCursor(l);
|
|
}
|
|
|
|
bool TextCtrl::GetSelection(int& l, int& h) const {
|
|
if(anchor < 0) {
|
|
l = h = cursor;
|
|
return false;
|
|
}
|
|
else {
|
|
l = min(anchor, cursor);
|
|
h = max(anchor, cursor);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
String TextCtrl::GetSelection(byte charset) const {
|
|
int l, h;
|
|
if(GetSelection(l, h))
|
|
return Get(l, h - l, charset);
|
|
return String();
|
|
}
|
|
|
|
WString TextCtrl::GetSelectionW() const {
|
|
int l, h;
|
|
if(GetSelection(l, h))
|
|
return GetW(l, h - l);
|
|
return WString();
|
|
}
|
|
|
|
bool TextCtrl::RemoveSelection() {
|
|
int l, h;
|
|
if(anchor < 0) return false;
|
|
GetSelection(l, h);
|
|
Remove(l, h - l);
|
|
anchor = -1;
|
|
Refresh();
|
|
PlaceCaret(l);
|
|
Action();
|
|
return true;
|
|
}
|
|
|
|
void TextCtrl::RefreshLines(int l1, int l2) {
|
|
int h = max(l1, l2);
|
|
for(int i = min(l1, l2); i <= h; i++)
|
|
RefreshLine(i);
|
|
}
|
|
|
|
void TextCtrl::Cut() {
|
|
if(!IsReadOnly() && IsSelection()) {
|
|
Copy();
|
|
RemoveSelection();
|
|
}
|
|
}
|
|
|
|
void TextCtrl::Copy() {
|
|
int l, h;
|
|
if(!GetSelection(l, h)) {
|
|
int i = GetLine(cursor);
|
|
l = GetPos(i);
|
|
h = l + line[i].GetLength() + 1;
|
|
}
|
|
WString txt = GetW(l, h - l);
|
|
ClearClipboard();
|
|
AppendClipboardUnicodeText(txt);
|
|
AppendClipboardText(txt.ToString());
|
|
}
|
|
|
|
void TextCtrl::SelectAll() {
|
|
SetSelection();
|
|
}
|
|
|
|
int TextCtrl::Paste(const WString& text) {
|
|
if(IsReadOnly()) return 0;
|
|
RemoveSelection();
|
|
int n = Insert(cursor, text);
|
|
PlaceCaret(cursor + n);
|
|
Refresh();
|
|
return n;
|
|
}
|
|
|
|
void TextCtrl::Paste() {
|
|
WString w = ReadClipboardUnicodeText();
|
|
if(w.IsEmpty())
|
|
w = ReadClipboardText().ToWString();
|
|
Paste(w);
|
|
Action();
|
|
}
|
|
|
|
void TextCtrl::StdBar(Bar& menu) {
|
|
NextUndo();
|
|
if(undosteps) {
|
|
menu.Add(undo.GetCount() && IsEditable(), t_("Undo"), THISBACK(Undo))
|
|
.Key(K_ALT_BACKSPACE)
|
|
.Key(K_CTRL_Z);
|
|
menu.Add(redo.GetCount() && IsEditable(), t_("Redo"), THISBACK(Redo))
|
|
.Key(K_SHIFT|K_ALT_BACKSPACE)
|
|
.Key(K_SHIFT_CTRL_Z);
|
|
menu.Separator();
|
|
}
|
|
menu.Add(IsEditable() && IsSelection(),
|
|
t_("Cut"), CtrlImg::cut(), THISBACK(Cut))
|
|
.Key(K_SHIFT_DELETE)
|
|
.Key(K_CTRL_X);
|
|
menu.Add(IsSelection(),
|
|
t_("Copy"), CtrlImg::copy(), THISBACK(Copy))
|
|
.Key(K_CTRL_INSERT)
|
|
.Key(K_CTRL_C);
|
|
menu.Add(IsEditable() && IsClipboardAvailableText(),
|
|
t_("Paste"), CtrlImg::paste(), THISBACK(DoPaste))
|
|
.Key(K_SHIFT_INSERT)
|
|
.Key(K_CTRL_V);
|
|
menu.Add(IsEditable() && IsSelection(),
|
|
t_("Erase"), CtrlImg::remove(), THISBACK(DoRemoveSelection))
|
|
.Key(K_DELETE);
|
|
menu.Separator();
|
|
menu.Add(GetLength(),
|
|
t_("Select all"), CtrlImg::select_all(), THISBACK(SelectAll))
|
|
.Key(K_CTRL_A);
|
|
}
|
|
|
|
String TextCtrl::GetSelectionData(const String& fmt) const
|
|
{
|
|
return GetTextClip(GetSelectionW(), fmt);
|
|
}
|
|
|
|
END_UPP_NAMESPACE
|