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Add visual feedback for wrong paths in FileSystemPathEdit

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This commit is contained in:
Eugene Shalygin
2017-05-18 15:13:08 +02:00
parent 34c7465009
commit 574fed04fc
3 changed files with 296 additions and 1 deletions
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67
src/gui/fspathedit_p.h
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@@ -39,9 +39,69 @@
#include <QKeyEvent>
#include <QLineEdit>
#include <QMenu>
#include <QStringRef>
#include <QValidator>
#include <QVector>
class QStringList;
namespace Private
{
class FileSystemPathValidator: public QValidator
{
Q_OBJECT
public:
FileSystemPathValidator(QObject *parent = nullptr);
bool strictMode() const;
void setStrictMode(bool v);
bool existingOnly() const;
void setExistingOnly(bool v);
bool directoriesOnly() const;
void setDirectoriesOnly(bool v);
bool checkReadPermission() const;
void setCheckReadPermission(bool v);
bool checkWritePermission() const;
void setCheckWritePermission(bool v);
QValidator::State validate(QString &input, int &pos) const override;
enum class TestResult
{
OK,
DoesNotExist,
NotADir,
NotAFile,
CantRead,
CantWrite
};
TestResult lastTestResult() const;
QValidator::State lastValidationState() const;
QString lastTestedPath() const;
private:
QValidator::State validate(const QString &path, const QVector<QStringRef> &pathComponents, bool strict,
int firstComponentToTest, int lastComponentToTest) const;
TestResult testPath(const QStringRef &path, bool pathIsComplete) const;
bool m_strictMode;
bool m_existingOnly;
bool m_directoriesOnly;
bool m_checkReadPermission;
bool m_checkWritePermission;
mutable TestResult m_lastTestResult;
mutable QValidator::State m_lastValidationState;
mutable QString m_lastTestedPath;
};
class FileEditorWithCompletion
{
public:
@@ -49,6 +109,7 @@ namespace Private
virtual void completeDirectoriesOnly(bool completeDirsOnly) = 0;
virtual void setFilenameFilters(const QStringList &filters) = 0;
virtual void setBrowseAction(QAction *action) = 0;
virtual void setValidator(QValidator *validator) = 0;
virtual QWidget *widget() = 0;
};
@@ -64,6 +125,7 @@ namespace Private
void completeDirectoriesOnly(bool completeDirsOnly) override;
void setFilenameFilters(const QStringList &filters) override;
void setBrowseAction(QAction *action) override;
void setValidator(QValidator *validator) override;
QWidget *widget() override;
protected:
@@ -74,13 +136,15 @@ namespace Private
void showCompletionPopup();
private:
static QString warningText(FileSystemPathValidator::TestResult r);
QFileSystemModel *m_completerModel;
QCompleter *m_completer;
QAction *m_browseAction;
QFileIconProvider m_iconProvider;
QAction *m_warningAction;
};
class FileComboEdit: public QComboBox, public FileEditorWithCompletion
{
Q_OBJECT
@@ -91,6 +155,7 @@ namespace Private
void completeDirectoriesOnly(bool completeDirsOnly) override;
void setFilenameFilters(const QStringList &filters) override;
void setBrowseAction(QAction *action) override;
void setValidator(QValidator *validator) override;
QWidget *widget() override;
protected: