src/qt3support/text/q3textedit.cpp File Reference

#include "q3textedit.h"
#include <private/q3richtext_p.h>
#include "qpainter.h"
#include "qpen.h"
#include "qbrush.h"
#include "qpixmap.h"
#include "qfont.h"
#include "qcolor.h"
#include "qstyle.h"
#include "qsize.h"
#include "qevent.h"
#include "qtimer.h"
#include "qapplication.h"
#include "q3listbox.h"
#include "qclipboard.h"
#include "qcolordialog.h"
#include "q3stylesheet.h"
#include "q3dragobject.h"
#include "qurl.h"
#include "qcursor.h"
#include "qregexp.h"
#include "q3popupmenu.h"
#include "qstack.h"
#include "qmetaobject.h"
#include "q3textbrowser.h"
#include "private/q3syntaxhighlighter_p.h"
#include "qtextformat.h"
#include <qinputcontext.h>
#include <qkeysequence.h>

Include dependency graph for q3textedit.cpp:

Go to the source code of this file.

Classes
struct	QUndoRedoInfoPrivate
class	Q3TextEditPrivate
class	Q3RichTextDrag
Defines
#define	ACCEL_KEY(k)   "\t" + QString(QKeySequence(Qt::CTRL | Qt::Key_ ## k))
#define	LOGOFFSET(i)   d->logOffset + i
Enumerations
enum
Functions
static void	qSwap (int *a, int *b)
static int	qStrWidth (const QString &str, int tabWidth, const QFontMetrics &fm)
static void	qStripTags (QString *line)
Variables
static bool	block_set_alignment = false
static bool	qtextedit_ignore_readonly = false

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Define Documentation

#define ACCEL_KEY

(

k

)

"\t" + QString(QKeySequence(Qt::CTRL | Qt::Key_ ## k))

Definition at line 60 of file q3textedit.cpp.

#define LOGOFFSET

(

i

)

d->logOffset + i

Definition at line 66 of file q3textedit.cpp.

Referenced by Q3TextEdit::changeEvent(), Q3TextEdit::charAt(), Q3TextEdit::contentsMouseDoubleClickEvent(), Q3TextEdit::optimAppendTag(), Q3TextEdit::optimCheckLimit(), Q3TextEdit::optimDoAutoScroll(), Q3TextEdit::optimDrawContents(), Q3TextEdit::optimFind(), Q3TextEdit::optimInsert(), Q3TextEdit::optimInsertTag(), Q3TextEdit::optimMousePressEvent(), Q3TextEdit::optimMouseReleaseEvent(), Q3TextEdit::optimPreviousLeftTag(), Q3TextEdit::optimSelectAll(), Q3TextEdit::optimSelectedText(), Q3TextEdit::optimText(), Q3TextEdit::paragraphLength(), and Q3TextEdit::text().

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Enumeration Type Documentation

anonymous enum

Definition at line 2086 of file q3textedit.cpp.

     {
    IdUndo = 0,
    IdRedo = 1,
    IdCut = 2,
    IdCopy = 3,
    IdPaste = 4,
    IdClear = 5,
    IdSelectAll = 6
};

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Function Documentation

static void qStripTags

(

QString *

line

)

[static]

Definition at line 6384 of file q3textedit.cpp.

References c, i, l, len, QString::length(), QString::mid(), QString::remove(), and QString::replace().

Referenced by Q3TextEdit::optimInsert().

{
    int len = line->length();
    int i, startIndex = -1, endIndex = -1, escIndex = -1;
    int state = 0; // 0 = outside tag, 1 = inside tag
    bool tagOpen, tagClose;

    for (i = 0; i < len; i++) {
        tagOpen = (*line)[i] == '<';
        tagClose = (*line)[i] == '>';

        // handle '&lt;' and '&gt;' and '&amp;'
        if ((*line)[i] == '&') {
            escIndex = i;
            continue;
        } else if (escIndex != -1 && (*line)[i] == ';') {
            QString esc = line->mid(escIndex, i - escIndex + 1);
            QString c;
            if (esc == "&lt;")
                c = '<';
            else if (esc == "&gt;")
                c = '>';
            else if (esc == "&amp;")
                c = '&';
            line->replace(escIndex, i - escIndex + 1, c);
            len = line->length();
            i -= i-escIndex;
            escIndex = -1;
            continue;
        }

        if (state == 0 && tagOpen) {
            state = 1;
            startIndex = i;
            continue;
        }
        if (state == 1 && tagClose) {
            state = 0;
            endIndex = i;
            if (startIndex != -1) {
                int l = (endIndex == -1) ?
                        line->length() - startIndex : endIndex - startIndex;
                line->remove(startIndex, l+1);
                len = line->length();
                i -= l+1;
            }
            continue;
        }
    }
}

Here is the call graph for this function:

static int qStrWidth	(	const QString &	str,
		int	tabWidth,
		const QFontMetrics &	fm
	)			[static]

Definition at line 6298 of file q3textedit.cpp.

References QString::count(), u, and QFontMetrics::width().

Referenced by Q3TextEdit::optimAppend(), and Q3TextEdit::optimCharIndex().

{
    int tabs = str.count('\t');

    if (!tabs)
        return fm.width(str);

    int newIdx = 0;
    int lastIdx = 0;
    int strWidth = 0;
    int tn;
    for (tn = 1; tn <= tabs; ++tn) {
        newIdx = str.indexOf('\t', newIdx);
        strWidth += fm.width(str.mid(lastIdx, newIdx - lastIdx));
        if (strWidth >= tn * tabWidth) {
            int u = tn;
            while (strWidth >= u * tabWidth)
                ++u;
            strWidth = u * tabWidth;
        } else {
            strWidth = tn * tabWidth;
        }
        lastIdx = ++newIdx;
    }
    if ((int)str.length() > newIdx)
        strWidth += fm.width(str.mid(newIdx));
    return strWidth;
}

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static void qSwap	(	int *	a,
		int *	b
	)			[static]

Definition at line 5943 of file q3textedit.cpp.

{
    if (!a || !b)
        return;
    int tmp = *a;
    *a = *b;
    *b = tmp;
}

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Variable Documentation

bool block_set_alignment = false [static]

Definition at line 194 of file q3textedit.cpp.

Referenced by Q3TextEdit::handleMouseMove(), Q3TextEdit::setAlignment(), and Q3TextEdit::updateCurrentFormat().

bool qtextedit_ignore_readonly = false [static]

Definition at line 1606 of file q3textedit.cpp.

Referenced by Q3TextEdit::doKeyboardAction(), and Q3TextEdit::insertParagraph().

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