Demo toggle line with text displayed

mainwindow.cpp

// mainwindow.cpp
// Testing code for port of Scintilla to Qt.
// Copyright (c) 2011 Archaeopteryx Software, Inc. d/b/a Wingware

#include <QtGui>
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
#include <QFileDialog>
#endif

#include "mainwindow.h"
#include "ui_mainwindow.h"

#include "SciLexer.h"

MainWindow::MainWindow(QWidget *parent) :
		QMainWindow(parent),
		ui(new Ui::MainWindow) {
	ui->setupUi(this);
	ScintillaEditBase *sci = ui->blok;
	const char *txtInit =
			"int main(int argc, char **argv) {\n"
			"    // Start up the gnome\n"
            "    gnome_init(\"stest\", \"1.0\", argc, argv);\n}\n";

	const char *keywords =
			"and and_eq asm auto bitand bitor bool break "
			"case catch char class compl const const_cast continue "
			"default delete do double dynamic_cast else enum explicit export extern false float for "
			"friend goto if inline int long mutable namespace new not not_eq "
			"operator or or_eq private protected public "
			"register reinterpret_cast return short signed sizeof static static_cast struct switch "
			"template this throw true try typedef typeid typename union unsigned using "
			"virtual void volatile wchar_t while xor xor_eq";


	Call(SCI_STYLECLEARALL);
	Call(SCI_SETMARGINWIDTHN, 0, 35);
	Call(SCI_SETSCROLLWIDTH, 200, 0);
	Call(SCI_SETSCROLLWIDTHTRACKING, 1, 0);
	Call(SCI_SETLEXER, SCLEX_CPP, 0);
	Call(SCI_SETSTYLEBITS, Call(SCI_GETSTYLEBITSNEEDED), 0);
	Call(SCI_SETKEYWORDS, 0, (sptr_t)keywords);
	Call(SCI_STYLESETFORE, SCE_C_COMMENT, 0x008000);
	Call(SCI_STYLESETFORE, SCE_C_COMMENTLINE, 0x008000);
	Call(SCI_STYLESETFORE, SCE_C_COMMENTDOC, 0x008040);
	Call(SCI_STYLESETITALIC, SCE_C_COMMENTDOC, 1);
	Call(SCI_STYLESETFORE, SCE_C_NUMBER, 0x808000);
	Call(SCI_STYLESETFORE, SCE_C_WORD, 0x800000);
	Call(SCI_STYLESETBOLD, SCE_C_WORD, 1);
	Call(SCI_STYLESETFORE, SCE_C_STRING, 0x800080);
	Call(SCI_STYLESETFORE, SCE_C_PREPROCESSOR, 0x008080);
	Call(SCI_STYLESETBOLD, SCE_C_OPERATOR, 1);
	Call(SCI_INSERTTEXT, 0, (sptr_t)(void *)txtInit);
	Call(SCI_SETSEL, 8, 4);
	Call(SCI_SETMULTIPLESELECTION, 1);
	Call(SCI_SETVIRTUALSPACEOPTIONS,
	     SCVS_RECTANGULARSELECTION | SCVS_USERACCESSIBLE);
	Call(SCI_SETADDITIONALSELECTIONTYPING, 1);

	Call(SCI_STYLESETFORE, STYLE_INDENTGUIDE, 0x808080);
	Call(SCI_SETINDENTATIONGUIDES, SC_IV_LOOKBOTH);
	Call(SCI_SETVIEWWS, SCWS_VISIBLEALWAYS);

	Call(SCI_SETFOLDMARGINCOLOUR, 1, 0xffD0D0);
	Call(SCI_SETFOLDMARGINHICOLOUR, 1, 0xD0ffD0);
	Call(SCI_SETMARGINTYPEN, 2, SC_MARGIN_SYMBOL);
	Call(SCI_SETMARGINWIDTHN, 2, 18);
	Call(SCI_SETMARGINMASKN, 2, SC_MASK_FOLDERS);
	Call(SCI_SETMARGINSENSITIVEN, 2, 1);

	Call(SCI_SETPROPERTY, (uptr_t)("fold"), (sptr_t)("1"));
	DefineMarker(SC_MARKNUM_FOLDEROPEN, SC_MARK_BOXMINUS, 0xffffff, 0x808080);
	DefineMarker(SC_MARKNUM_FOLDER, SC_MARK_BOXPLUS, 0xffffff, 0x808080);
	DefineMarker(SC_MARKNUM_FOLDERSUB, SC_MARK_VLINE, 0xffffff, 0x808080);
	DefineMarker(SC_MARKNUM_FOLDERTAIL, SC_MARK_LCORNER, 0xffffff, 0x808080);
	DefineMarker(SC_MARKNUM_FOLDEREND, SC_MARK_BOXPLUSCONNECTED, 0xffffff, 0x808080);
	DefineMarker(SC_MARKNUM_FOLDEROPENMID, SC_MARK_BOXMINUSCONNECTED, 0xffffff, 0x808080);
	DefineMarker(SC_MARKNUM_FOLDERMIDTAIL, SC_MARK_TCORNER, 0xffffff, 0x808080);

	Call(SCI_GRABFOCUS);

	ui->actionLatin_1->setChecked(true);

	connect(sci, SIGNAL(notify(SCNotification *)), this, SLOT(receive_notify(SCNotification *)));
	connect(sci, SIGNAL(command(uptr_t, sptr_t)), this, SLOT(receive_command(uptr_t, sptr_t)));
}

MainWindow::~MainWindow() {
	delete ui;
}

void MainWindow::DefineMarker(int marker, int markerType, int fore, int back) {
	Call(SCI_MARKERDEFINE, marker, markerType);
	Call(SCI_MARKERSETFORE, marker, fore);
	Call(SCI_MARKERSETBACK, marker, back);
}

sptr_t MainWindow::Call(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
	return ui->blok->send(iMessage, wParam, lParam);
}

QByteArray MainWindow::GetRange(int start, int end) {
	QByteArray bytes(end-start+1, 0);
	Sci_TextRange tr;
	tr.chrg.cpMin = start;
	tr.chrg.cpMax = end;
	tr.lpstrText = bytes.data();
	Call(SCI_GETTEXTRANGE, 0, (sptr_t)&tr);
	return bytes;
}

void MainWindow::on_actionOpen_triggered() {
	QFileDialog *dlgOpen = new QFileDialog(this, "Open", ".", "");
	if (dlgOpen->exec()) {
		QStringList fileNames = dlgOpen->selectedFiles();
		for (int i = 0; i < fileNames.size(); ++i) {
			Call(SCI_CLEARALL);
			QFile file(fileNames.at(i));
			file.open(QIODevice::ReadOnly);
			QByteArray contents = file.readAll();
			Call(SCI_ADDTEXT, contents.length(), reinterpret_cast<sptr_t>(contents.data()));
		}
	}
}

void MainWindow::on_actionLatin_1_triggered() {
	Call(SCI_SETCODEPAGE, 0);
	for (int i=0; i<127;i++)
		Call(SCI_STYLESETCHARACTERSET, i, 0);
	ui->actionUTF_8->setChecked(false);
	ui->actionShift_JIS->setChecked(false);
}

void MainWindow::on_actionUTF_8_triggered() {
	Call(SCI_SETCODEPAGE, SC_CP_UTF8);
	for (int i=0; i<127;i++)
		Call(SCI_STYLESETCHARACTERSET, i, 0);
	ui->actionLatin_1->setChecked(false);
	ui->actionShift_JIS->setChecked(false);
}

void MainWindow::on_actionShift_JIS_triggered() {
	Call(SCI_SETCODEPAGE, 932);
	for (int i=0; i<127;i++)
		Call(SCI_STYLESETCHARACTERSET, i, SC_CHARSET_SHIFTJIS);
	ui->actionLatin_1->setChecked(false);
	ui->actionUTF_8->setChecked(false);
}

void MainWindow::on_actionFind_Selection_triggered() {
	int selStart = Call(SCI_GETSELECTIONSTART);
	int selEnd = Call(SCI_GETSELECTIONEND);
	int lenDoc = Call(SCI_GETLENGTH);

	const int indicatorHightlightCurrentWord = INDIC_CONTAINER;
	Call(SCI_INDICSETSTYLE, indicatorHightlightCurrentWord, INDIC_ROUNDBOX);
	Call(SCI_INDICSETFORE, indicatorHightlightCurrentWord, 0xff0000);
	Call(SCI_SETINDICATORCURRENT, indicatorHightlightCurrentWord);
	Call(SCI_INDICATORCLEARRANGE, 0, lenDoc);
	Call(SCI_INDICATORFILLRANGE, selStart, selEnd - selStart);

	QByteArray wordToFind = GetRange(selStart, selEnd);
	Call(SCI_SETSEARCHFLAGS, 0);
	Call(SCI_SETTARGETSTART, selEnd);
	Call(SCI_SETTARGETEND, lenDoc);
	int indexOf = Call(SCI_SEARCHINTARGET,
			   wordToFind.length()-1, (sptr_t)wordToFind.data());
	if (indexOf < 0) {	// Wrap around
		Call(SCI_SETTARGETSTART, 0);
		Call(SCI_SETTARGETEND, selEnd);
		indexOf = Call(SCI_SEARCHINTARGET,
			       wordToFind.length()-1, (sptr_t)wordToFind.data());
	}
	if (indexOf >= 0) {
		Call(SCI_SETSELECTIONSTART, indexOf);
		Call(SCI_SETSELECTIONEND, indexOf+(selEnd - selStart));
	}
}

void MainWindow::on_actionWrap_triggered() {
	Call(SCI_SETWRAPMODE, Call(SCI_GETWRAPMODE) ? SC_WRAP_NONE : SC_WRAP_WORD);
}

void MainWindow::receive_notify(SCNotification *pscn) {
	Q_UNUSED(pscn)

    switch (pscn->nmhdr.code)
    {
      case SCN_MARGINCLICK:
      {
        if (pscn->margin == 2)
        {
            int line = Call(SCI_LINEFROMPOSITION, pscn->position);
            Call(SCI_TOGGLEFOLDSHOWTEXT, line, (sptr_t)"<fold>...</fold>");
        }
        break;
      };
    }
}

void MainWindow::receive_command(uptr_t wParam, sptr_t lParam) {
	Q_UNUSED(wParam)
	Q_UNUSED(lParam)
/*
	int notifyCode = wParam >> 16;
	if ((notifyCode == SCEN_SETFOCUS) || (notifyCode == SCEN_KILLFOCUS)){
		Call(SCI_SETINDICATORCURRENT, INDIC_CONTAINER);
		Call(SCI_INDICATORCLEARRANGE, 0, Call(SCI_GETLENGTH));
		if (notifyCode == SCEN_SETFOCUS)
			Call(SCI_INDICATORFILLRANGE, 0, 2);
	}
*/
}

void MainWindow::on_actionExit_triggered() {
	QApplication::quit();
}

/* XPM */
static const char * arrow_xpm[] = {
"12 12 3 1",
" 	c None",
".	c #000000",
"+	c #808080",
"            ",
"     .+     ",
"      .+    ",
"      +.+   ",
" ........+  ",
" .........+ ",
" .........+ ",
" ........+  ",
"      +.+   ",
"      .+    ",
"     .+     ",
"            "};

/* XPM */
static const char * box_xpm[] = {
"12 12 2 1",
" 	c None",
".	c #000000",
"   .........",
"  .   .   ..",
" .   .   . .",
".........  .",
".   .   .  .",
".   .   . ..",
".   .   .. .",
".........  .",
".   .   .  .",
".   .   . . ",
".   .   ..  ",
".........   "};

void MainWindow::on_actionAutocompletion_triggered() {
	const char *words = "Babylon-5?1 Battlestar-Galactica Millenium-Falcon?2 Moya?2 Serenity Voyager";
	Call(SCI_AUTOCSETIGNORECASE, 1);
	Call(SCI_REGISTERIMAGE, 1, (sptr_t)arrow_xpm);
	Call(SCI_REGISTERIMAGE, 2, (sptr_t)box_xpm);
	Call(SCI_AUTOCSHOW, 0, (sptr_t)words);
}