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3ce9f02007
Users may add some texts in the image preview block around the image. In this case, we should just delete the image and insert another preview block. Signed-off-by: Le Tan <tamlokveer@gmail.com>
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
#ifndef VMDEDIT_H
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#define VMDEDIT_H
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#include "vedit.h"
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#include <QVector>
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#include <QString>
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#include "vtoc.h"
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class HGMarkdownHighlighter;
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class VMdEdit : public VEdit
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{
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Q_OBJECT
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public:
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VMdEdit(VFile *p_file, QWidget *p_parent = 0);
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void beginEdit() Q_DECL_OVERRIDE;
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void endEdit() Q_DECL_OVERRIDE;
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void saveFile() Q_DECL_OVERRIDE;
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void reloadFile() Q_DECL_OVERRIDE;
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// An image has been inserted.
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void imageInserted(const QString &p_name);
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// Scroll to m_headers[p_headerIndex].
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void scrollToHeader(int p_headerIndex);
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// Like toPlainText(), but remove special blocks containing images.
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QString toPlainTextWithoutImg() const;
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signals:
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void headersChanged(const QVector<VHeader> &headers);
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void curHeaderChanged(int p_lineNumber, int p_outlineIndex);
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void statusChanged();
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private slots:
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void generateEditOutline();
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void updateCurHeader();
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// Update block list containing image links.
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void updateImageBlocks(QSet<int> p_imageBlocks);
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protected:
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void keyPressEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
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bool canInsertFromMimeData(const QMimeData *source) const Q_DECL_OVERRIDE;
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void insertFromMimeData(const QMimeData *source) Q_DECL_OVERRIDE;
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private:
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void updateFontAndPalette();
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void initInitImages();
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void clearUnusedImages();
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// p_text[p_index] is QChar::ObjectReplacementCharacter. Remove the line containing it.
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// Returns the index of previous line's '\n'.
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int removeObjectReplacementLine(QString &p_text, int p_index) const;
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void previewImageOfBlock(int p_block);
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bool isImagePreviewBlock(int p_block);
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bool isImagePreviewBlock(QTextBlock p_block);
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// p_block is a image preview block. We need to update it with image.
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void updateImagePreviewBlock(int p_block, const QString &p_image);
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// Insert a block after @p_block to preview image @p_image.
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void insertImagePreviewBlock(int p_block, const QString &p_image);
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// Clean up un-referenced image preview block.
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void clearOrphanImagePreviewBlock();
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void removeBlock(QTextBlock p_block);
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bool isOrphanImagePreviewBlock(QTextBlock p_block);
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// Block that has the QChar::ObjectReplacementCharacter as well as some non-space characters.
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void clearCorruptedImagePreviewBlock(QTextBlock p_block);
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// Returns the image relative path (image/xxx.png) only when
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// there is one and only one image link.
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QString fetchImageToPreview(const QString &p_text);
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HGMarkdownHighlighter *m_mdHighlighter;
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QVector<QString> m_insertedImages;
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QVector<QString> m_initImages;
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QVector<VHeader> m_headers;
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};
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#endif // VMDEDIT_H
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