C++ QTextDocument::isEmpty方法代码示例

本文整理汇总了C++中QTextDocument::isEmpty方法的典型用法代码示例。如果您正苦于以下问题：C++ QTextDocument::isEmpty方法的具体用法？C++ QTextDocument::isEmpty怎么用？C++ QTextDocument::isEmpty使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QTextDocument的用法示例。

在下文中一共展示了QTextDocument::isEmpty方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: isEmpty

bool QTextDocumentProto::isEmpty() const
{
  QTextDocument *item = qscriptvalue_cast<QTextDocument*>(thisObject());
  if (item)
    return item->isEmpty();
  return false;
}

开发者ID:，项目名称:，代码行数:7，代码来源:

示例2: insertFromMimeData

void MessageEditor::insertFromMimeData(const QMimeData *ASource)
{
	QTextDocument doc;
	emit insertDataRequest(ASource,&doc);

	if (!doc.isEmpty())
	{
		QTextCursor cursor(&doc);
		cursor.select(QTextCursor::Document);
		if (acceptRichText())
			textCursor().insertFragment(cursor.selection());
		else
			textCursor().insertText(cursor.selection().toPlainText());
	}

	ensureCursorVisible();
	setFocus();
}

开发者ID:Vacuum-IM，项目名称:vacuum-im，代码行数:18，代码来源:messageeditor.cpp

示例3: textCursor

QMenu *
SimpleRichTextEdit::createContextMenu(const QPoint &mouseGlobalPos)
{
	Qt::TextInteractionFlags interactionFlags = this->textInteractionFlags();
	QTextDocument *document = this->document();
	QTextCursor cursor = textCursor();

	const bool showTextSelectionActions = (Qt::TextEditable | Qt::TextSelectableByKeyboard | Qt::TextSelectableByMouse) & interactionFlags;

	QMenu *menu = new QMenu(this);

	if(interactionFlags & Qt::TextEditable) {
		m_actions[Undo]->setEnabled(document->isUndoAvailable());
		menu->addAction(m_actions[Undo]);

		m_actions[Redo]->setEnabled(document->isRedoAvailable());
		menu->addAction(m_actions[Redo]);

		menu->addSeparator();

		m_actions[Cut]->setEnabled(cursor.hasSelection());
		menu->addAction(m_actions[Cut]);
	}

	if(showTextSelectionActions) {
		m_actions[Copy]->setEnabled(cursor.hasSelection());
		menu->addAction(m_actions[Copy]);
	}

	if(interactionFlags & Qt::TextEditable) {
#if !defined(QT_NO_CLIPBOARD)
		m_actions[Paste]->setEnabled(canPaste());
		menu->addAction(m_actions[Paste]);
#endif
		m_actions[Delete]->setEnabled(cursor.hasSelection());
		menu->addAction(m_actions[Delete]);

		m_actions[Clear]->setEnabled(!document->isEmpty());
		menu->addAction(m_actions[Clear]);

		if(m_insertUnicodeControlCharMenu && interactionFlags & Qt::TextEditable) {
			menu->addSeparator();
			menu->addMenu(m_insertUnicodeControlCharMenu);
		}
	}

	if(showTextSelectionActions) {
		menu->addSeparator();

		m_actions[SelectAll]->setEnabled(!document->isEmpty());
		menu->addAction(m_actions[SelectAll]);
	}

	if(interactionFlags & Qt::TextEditable) {
		menu->addSeparator();

		m_actions[ToggleBold]->setCheckable(true);
		m_actions[ToggleBold]->setChecked(fontBold());
		menu->addAction(m_actions[ToggleBold]);

		m_actions[ToggleItalic]->setCheckable(true);
		m_actions[ToggleItalic]->setChecked(fontItalic());
		menu->addAction(m_actions[ToggleItalic]);

		m_actions[ToggleUnderline]->setCheckable(true);
		m_actions[ToggleUnderline]->setChecked(fontUnderline());
		menu->addAction(m_actions[ToggleUnderline]);

		m_actions[ToggleStrikeOut]->setCheckable(true);
		m_actions[ToggleStrikeOut]->setChecked(fontStrikeOut());
		menu->addAction(m_actions[ToggleStrikeOut]);

		menu->addAction(m_actions[ChangeTextColor]);

		menu->addSeparator();

		m_actions[CheckSpelling]->setEnabled(!document->isEmpty());
		menu->addAction(m_actions[CheckSpelling]);

		m_actions[ToggleAutoSpellChecking]->setChecked(checkSpellingEnabled());
		menu->addAction(m_actions[ToggleAutoSpellChecking]);

		if(checkSpellingEnabled()) {
			setupWordUnderPositionCursor(mouseGlobalPos);

			QString selectedWord = m_selectedWordCursor.selectedText();
			if(!selectedWord.isEmpty() && highlighter() && highlighter()->isWordMisspelled(selectedWord)) {
				QMenu *suggestionsMenu = menu->addMenu(i18n("Suggestions"));
				suggestionsMenu->addAction(i18n("Ignore"), this, SLOT(addToIgnoreList()));
				suggestionsMenu->addAction(i18n("Add to Dictionary"), this, SLOT(addToDictionary()));
				suggestionsMenu->addSeparator();
				QStringList suggestions = highlighter()->suggestionsForWord(m_selectedWordCursor.selectedText());
				if(suggestions.empty())
					suggestionsMenu->addAction(i18n("No suggestions"))->setEnabled(false);
				else {
					for(QStringList::ConstIterator it = suggestions.begin(), end = suggestions.end(); it != end; ++it)
						suggestionsMenu->addAction(*it, this, SLOT(replaceWithSuggestion()));
				}
			}
		}
//.........这里部分代码省略.........

开发者ID:maxrd2，项目名称:subtitlecomposer，代码行数:101，代码来源:simplerichtextedit.cpp

注：本文中的QTextDocument::isEmpty方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。