* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
-
+
#include "unicodedialog.h"
/// CONSTANTS
const int MAX_LENGTH_HEX = 4;
-
-
+const uint MAX_UNICODE_V1 = 65535;
+
+
/// CONSTRUCTORS/DECONSTRUCTORS
UnicodeDialog::UnicodeDialog(InputMethod inputMeth) : inputMethod(inputMeth), lastCursorPos(0), lastUnicodeNumber("")
{
- setupUi(this);
- connect(unicodeNumber, SIGNAL(textChanged(QString)), this, SLOT(slotTextChanged(QString)));
- connect(unicodeNumber, SIGNAL(returnPressed()), this, SLOT(slotReturnPressed()));
-
- switch (inputMethod) {
- case InputHex:
- unicodeNumber->setMaxLength(MAX_LENGTH_HEX);
- break;
-
- case InputDec:
- break;
- }
+ setupUi(this);
+ connect(unicodeNumber, SIGNAL(textChanged(QString)), this, SLOT(slotTextChanged(QString)));
+ connect(unicodeNumber, SIGNAL(returnPressed()), this, SLOT(slotReturnPressed()));
+ connect(arrowUp, SIGNAL(clicked()), this, SLOT(slotNextUnicode()));
+ connect(arrowDown, SIGNAL(clicked()), this, SLOT(slotPrevUnicode()));
+
+ switch (inputMethod) {
+ case InputHex:
+ unicodeNumber->setMaxLength(MAX_LENGTH_HEX);
+ break;
+
+ case InputDec:
+ break;
+ }
+
+ arrowUp->setShortcut(Qt::Key_Up);
+ arrowDown->setShortcut(Qt::Key_Down);
+
+ arrowUp->setToolTip(i18n("Next Unicode character (Arrow Up)"));
+ arrowDown->setToolTip(i18n("Previous Unicode character (Arrow Down)"));
+ unicodeNumber->setToolTip(i18n("Enter your Unicode number here. Allowed characters: [0-9] and [a-f]."));
}
UnicodeDialog::~UnicodeDialog()
/// METHODS
+void UnicodeDialog::showLastUnicode()
+{
+ unicodeNumber->setText(lastUnicodeNumber);
+}
+
bool UnicodeDialog::controlCharacter(QString text)
{
- bool isControlCharacter = false;
- QString t = text.toLower();
-
- switch (inputMethod) {
- case InputHex:
- if (t == ""
- || (t.length() == 1 && !(t == "9" || t == "a" || t == "d"))
- || (t.length() == 2 && t.at(0) == QChar('1'))) {
- isControlCharacter = true;
- }
- break;
-
- case InputDec:
- break;
- }
-
- return isControlCharacter;
+ bool isControlCharacter = false;
+ QString t = text.toLower();
+
+ switch (inputMethod) {
+ case InputHex:
+ if (t == ""
+ || (t.length() == 1 && !(t == "9" || t == "a" || t == "d"))
+ || (t.length() == 2 && t.at(0) == QChar('1'))) {
+ isControlCharacter = true;
+ }
+ break;
+
+ case InputDec:
+ bool ok;
+ isControlCharacter = controlCharacter(text.toUInt(&ok, 16));
+ break;
+ }
+
+ return isControlCharacter;
+}
+
+bool UnicodeDialog::controlCharacter(uint value)
+{
+ bool isControlCharacter = false;
+
+ if (value < 32 && !(value == 9 || value == 10 || value == 13)) {
+ isControlCharacter = true;
+ }
+ return isControlCharacter;
+
}
QString UnicodeDialog::trimmedUnicodeNumber(QString text)
{
- while (text.length() > 0 && text.at(0) == QChar('0')) {
- text = text.remove(0, 1);
- }
- return text;
+ while (text.length() > 0 && text.at(0) == QChar('0')) {
+ text = text.remove(0, 1);
+ }
+ return text;
}
QString UnicodeDialog::unicodeInfo(QString unicode_number)
{
- QString infoText("");
- QString u = trimmedUnicodeNumber(unicode_number);
-
- if (controlCharacter(u)) {
- infoText = i18n("Control character. Cannot be inserted/printed. See <a href=\"http://en.wikipedia.org/wiki/Control_character\">Wikipedia:Control_character</a>");
- } else if (u == "2009") {
- infoText = i18n("A thin space, in HTML also &thinsp;. See <a href=\"http://en.wikipedia.org/wiki/Space_(punctuation)\">Wikipedia:Space_(punctuation)</a>");
- } else if (u == "2019") {
- infoText = i18n("Punctuation Apostrophe. Should be used instead of U+0027. See <a href=\"http://en.wikipedia.org/wiki/Apostrophe\">Wikipedia:Apostrophe</a>");
- } else if (u == "2013") {
- infoText = i18n("An en Dash (dash of the width of an n). See <a href=\"http://en.wikipedia.org/wiki/Dash\">Wikipedia:Dash</a>");
- } else if (u == "2014") {
- infoText = i18n("An em Dash (dash of the widht of an m). See <a href=\"http://en.wikipedia.org/wiki/Dash\">Wikipedia:Dash</a>");
- } else if (u == "2026") {
- infoText = i18n("Ellipsis: If text has been left out. See <a href=\"http://en.wikipedia.org/wiki/Ellipsis\">Wikipedia:Ellipsis</a>");
- }
-
- return infoText;
+ QString infoText(i18n("<small>(no character selected)</small>"));
+ if (unicode_number.length() == 0) return infoText;
+
+ QString u = trimmedUnicodeNumber(unicode_number).toLower();
+
+ if (controlCharacter(u)) {
+ infoText = i18n("Control character. Cannot be inserted/printed. See <a href=\"http://en.wikipedia.org/wiki/Control_character\">Wikipedia:Control_character</a>");
+ } else if (u == "a") {
+ infoText = i18n("Line Feed (newline character, \\\\n)");
+ } else if (u == "20") {
+ infoText = i18n("Standard space character. (See U+00a0 and U+2000–200b)");
+ } else if (u == "a0") {
+ infoText = i18n("No-break space. &nbsp; in HTML. See U+0020.");
+ } else if (u == "2002") {
+ infoText = i18n("En Space (width of an n)");
+ } else if (u == "2003") {
+ infoText = i18n("Em Space (width of an m)");
+ } else if (u == "2004") {
+ infoText = i18n("Three-Per-Em Space. Width: 1/3 of one <em>em</em>");
+ } else if (u == "2005") {
+ infoText = i18n("Four-Per-Em Space. Width: 1/4 of one <em>em</em>");
+ } else if (u == "2006") {
+ infoText = i18n("Six-Per-Em Space. Width: 1/6 of one <em>em</em>");
+ } else if (u == "2007") {
+ infoText = i18n("Figure space (non-breaking). Width of a digit if digits have fixed width in this font.");
+ } else if (u == "2008") {
+ infoText = i18n("Punctuation Space. Width the same as between a punctuation character and the next character.");
+ } else if (u == "2009") {
+ infoText = i18n("Thin space, in HTML also &thinsp;. See <a href=\"http://en.wikipedia.org/wiki/Space_(punctuation)\">Wikipedia:Space_(punctuation)</a>");
+ } else if (u == "200a") {
+ infoText = i18n("Hair Space. Thinner than U+2009.");
+ } else if (u == "2019") {
+ infoText = i18n("Punctuation Apostrophe. Should be used instead of U+0027. See <a href=\"http://en.wikipedia.org/wiki/Apostrophe\">Wikipedia:Apostrophe</a>");
+ } else if (u == "2013") {
+ infoText = i18n("An en Dash (dash of the width of an n). See <a href=\"http://en.wikipedia.org/wiki/Dash\">Wikipedia:Dash</a>");
+ } else if (u == "2014") {
+ infoText = i18n("An em Dash (dash of the widht of an m). See <a href=\"http://en.wikipedia.org/wiki/Dash\">Wikipedia:Dash</a>");
+ } else if (u == "2026") {
+ infoText = i18n("Ellipsis: If text has been left out. See <a href=\"http://en.wikipedia.org/wiki/Ellipsis\">Wikipedia:Ellipsis</a>");
+ } else {
+ infoText = i18n("<small>No additional information available for this character.</small>");
+ }
+
+ return infoText;
}
QString UnicodeDialog::validateText(QString text)
{
- QRegExp regex("([0-9]|[a-f])", Qt::CaseInsensitive, QRegExp::RegExp2);
- QString newText = "";
- int pos = 0;
-
- switch (inputMethod) {
- case InputHex:
- // Remove all characters we don't want
- while ((pos = regex.indexIn(text, pos)) != -1) {
- newText += regex.cap(1);
- pos++;
- }
- break;
-
- case InputDec:
- // TODO
- break;
- }
-
- return newText;
+ QRegExp regex("([0-9]|[a-f])", Qt::CaseInsensitive, QRegExp::RegExp2);
+ QString newText = "";
+ int pos = 0;
+
+ switch (inputMethod) {
+ case InputHex:
+ // Remove all characters we don't want
+ while ((pos = regex.indexIn(text, pos)) != -1) {
+ newText += regex.cap(1);
+ pos++;
+ }
+ break;
+
+ case InputDec:
+ // TODO
+ break;
+ }
+
+ return newText;
+}
+
+void UnicodeDialog::updateOverviewChars(uint unicode)
+{
+ QString left = "";
+ QString right = "";
+ uint i;
+
+ for (i = 1; i <= 4; i++) {
+ if (unicode > i && !controlCharacter(unicode - i)) {
+ left = " " + left;
+ left = QChar(unicode - i) + left;
+ }
+ }
+
+ for (i = 1; i <= 8; i++) {
+ if (unicode + i <= MAX_UNICODE_V1 && !controlCharacter(unicode + i)) {
+ right += QChar(unicode + i);
+ right += " ";
+ }
+ }
+
+ leftChars->setText(left);
+ rightChars->setText(right);
+
+}
+
+void UnicodeDialog::clearOverviewChars()
+{
+ leftChars->setText("");
+ rightChars->setText("");
+}
+
+QString UnicodeDialog::nextUnicode(QString text, Direction direction)
+{
+ uint value = 0;
+ QString newText = "";
+ bool ok;
+
+ switch (inputMethod) {
+ case InputHex:
+ value = text.toUInt(&ok, 16);
+ switch (direction) {
+ case Backward:
+ value--;
+ break;
+ default:
+ value++;
+ break;
+ }
+ // Wrapping
+ if (value == (uint) - 1) value = MAX_UNICODE_V1;
+ if (value > MAX_UNICODE_V1) value = 0;
+
+ newText.setNum(value, 16);
+ break;
+
+ case InputDec:
+ break;
+ }
+
+ return newText;
}
*/
void UnicodeDialog::slotTextChanged(QString text)
{
- unicodeNumber->blockSignals(true);
-
- bool ok;
- int cursorPos = unicodeNumber->cursorPosition();
- QString newText = validateText(text);
-
- unicodeNumber->setText(newText);
- unicodeNumber->setCursorPosition(cursorPos);
-
- // Get the decimal number as uint to create the QChar from
- uint value;
- switch (inputMethod) {
- case InputHex:
- value = newText.toUInt(&ok, 16);
- break;
- case InputDec:
- value = newText.toUInt(&ok, 10);
- break;
- }
-
- if (!ok) {
- // Impossible! validateText never fails!
- }
-
- // If an invalid character has been entered:
- // Reset the cursor position because the entered char has been deleted.
- if (text != newText && newText == lastUnicodeNumber) {
- unicodeNumber->setCursorPosition(lastCursorPos);
- }
-
- lastCursorPos = unicodeNumber->cursorPosition();
- lastUnicodeNumber = newText;
-
- labelInfoText->setText(unicodeInfo(newText));
- unicodeChar->setText(QChar(value));
- unicodeNumber->blockSignals(false);
+ unicodeNumber->blockSignals(true);
+
+ QString newText = validateText(text);
+ if (newText.length() == 0) {
+ unicodeChar->setText("");
+ unicodeNumber->setText("");
+ clearOverviewChars();
+ lastCursorPos = 0;
+ lastUnicodeNumber = "";
+ labelInfoText->setText(unicodeInfo(""));
+
+ } else {
+
+ int cursorPos = unicodeNumber->cursorPosition();
+
+ unicodeNumber->setText(newText);
+ unicodeNumber->setCursorPosition(cursorPos);
+
+ // Get the decimal number as uint to create the QChar from
+ bool ok;
+ uint value = 0;
+ switch (inputMethod) {
+ case InputHex:
+ value = newText.toUInt(&ok, 16);
+ break;
+ case InputDec:
+ value = newText.toUInt(&ok, 10);
+ break;
+ }
+ updateOverviewChars(value);
+
+ if (!ok) {
+ // Impossible! validateText never fails!
+ }
+
+ // If an invalid character has been entered:
+ // Reset the cursor position because the entered char has been deleted.
+ if (text != newText && newText == lastUnicodeNumber) {
+ unicodeNumber->setCursorPosition(lastCursorPos);
+ }
+
+ lastCursorPos = unicodeNumber->cursorPosition();
+ lastUnicodeNumber = newText;
+
+ labelInfoText->setText(unicodeInfo(newText));
+ unicodeChar->setText(QChar(value));
+ }
+
+ unicodeNumber->blockSignals(false);
}
/**
* When return pressed, we return the selected unicode character
* if it was not a control character.
*/
-void UnicodeDialog::slotReturnPressed()
+void UnicodeDialog::slotReturnPressed()
+{
+ QString text = trimmedUnicodeNumber(unicodeNumber->text());
+ if (!controlCharacter(text)) {
+ emit charSelected(unicodeChar->text());
+ }
+ emit accept();
+}
+
+void UnicodeDialog::slotNextUnicode()
+{
+ QString text = unicodeNumber->text();
+ unicodeNumber->setText(nextUnicode(text, Forward));
+}
+
+void UnicodeDialog::slotPrevUnicode()
{
- QString text = trimmedUnicodeNumber(unicodeNumber->text());
- if (!controlCharacter(text)) {
- emit charSelected(unicodeChar->text());
- }
- emit accept();
+ QString text = unicodeNumber->text();
+ unicodeNumber->setText(nextUnicode(text, Backward));
}
#include "unicodedialog.moc"
projects / kdenlive / blobdiff