Microsoft Access data recovery support.

.docker/desktop-apps.bake.Dockerfile

@@ -61,7 +61,8 @@ FROM core-base AS desktop-linux
                     libasound2-dev \
                     libpulse-dev \
                     libnss3-dev \
-                    libnspr4-dev && \
+                    libnspr4-dev \
+                    mdbtools-dev && \
         python3 -m venv /opt/venv && \
         /opt/venv/bin/pip install --no-cache-dir aqtinstall
 
@@ -102,7 +103,7 @@ FROM core-base AS desktop-linux
             -DVCPKG_MANIFEST_FEATURES="desktop-editors" \
             -DABOUT_PAGE_APP_NAME="${ABOUT_PAGE_APP_NAME}" \
             /desktop-apps/win-linux/ && \
-        cmake --build . && \
+        cmake --build . -- -j4 && \
         cmake --install . && \
         ccache --show-stats && \
         cp -a desktopeditors /desktopeditors

win-linux/CMakeLists.txt

@@ -449,6 +449,15 @@ install(TARGETS
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
 
+# mdbtools is only linked by x2t (via BinDocument), not by DesktopEditors
+# itself, so it needs to land next to x2t in converter/ -- x2t's
+# INSTALL_RPATH (set by set_default_options()) only searches $ORIGIN and
+# $ORIGIN/system, not the app root where the other targets above install to.
+install(TARGETS mdbtools
+    LIBRARY DESTINATION ${CMAKE_INSTALL_BINDIR}/converter
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}/converter
+)
+
 # CEF binaries
 if(WIN32)
     install(DIRECTORY "${CEF_LIB_PATH}/"

win-linux/src/components/asctabwidget.cpp

@@ -894,6 +894,15 @@ void CAscTabWidget::applyPageLoadingStatus(int id, int state)
             m_pBar->setTabLoading(tabIndex, false);
             panel(tabIndex)->applyLoader("hide");
             panel(tabIndex)->setReady();
+
+            // Shown here (once the tab has actually finished loading) rather
+            // than synchronously during any particular open path, so it's
+            // uniform across File > Open, Recent Files, and drag-and-drop --
+            // and so a modal dialog never pops while an OS-level operation
+            // (e.g. a Wayland drag-and-drop grab) triggering the open is
+            // still in progress. Utils::warnIfDatabaseFile no-ops for
+            // non-database files.
+            Utils::warnIfDatabaseFile(this, QString::fromStdWString(panel(tabIndex)->data()->url()));
         } else
         if ( state == DOCUMENT_CHANGED_PAGE_LOAD_FINISH ) {
             if ( !panel(tabIndex)->data()->eventLoadSupported() ) {

win-linux/src/components/cfiledialog.cpp

@@ -146,6 +146,18 @@ bool CFileDialogWrapper::modalSaveAs(QString& fileName, int selected)
         _filters.append(";;" + _sel_filter);
     }
 
+    // The document's current extension may not match any of the offered
+    // Save As filters (e.g. a database-origin document, which is
+    // deliberately excluded as a save target). In that case _sel_filter is
+    // still empty here -- default it to the first available filter instead
+    // of leaving it blank, since native/portal file dialogs reject a
+    // filter with an empty name.
+    if ( _sel_filter.isEmpty() ) {
+        const QString _first = _filters.split(";;").value(0);
+        if ( !_first.isEmpty() )
+            _sel_filter = _first;
+    }
+
 #ifdef _WIN32
     // TODO: win 10 home doesn't crop file name by self. refactor for ver 7.5 with linux ver
 //    QString _croped_name = fileName;
@@ -257,6 +269,7 @@ QStringList CFileDialogWrapper::modalOpen(const QString& path, const QString& fi
                         " (*.docx *.doc *.odt *.ott *.rtf *.docm *.dot *.dotx *.dotm *.fb2 *.fodt *.hml *.wps *.wpt *.xml *.pdf *.djv *.djvu *.md *.sxw *.stw *.xps *.oxps);;" +
 #endif
                     tr("Spreadsheets") + " (*.xlsx *.xls *.xlsm *.xlsb *.ods *.ots *.xltx *.xltm *.xml *.fods *.et *.ett *.sxc *.numbers);;" +
+                    tr("Databases") + " (*.sqlite *.sqlite3 *.db *.db3 *.duckdb *.parquet *.pq *.mdb *.accdb);;" +
                     tr("Presentations") + " (*.pptx *.ppt *.odp *.odg *.otp *.ppsm *.pptm *.ppsx *.pps *.potx *.pot *.potm *.fodp *.dps *.dpt *.sxi *.key);;" +
                     tr("Visio diagram") + " (*.vsdx *.vssx *.vstx *.vsdm *.vssm *.vstm);;" +
                     tr("Web Page") + " (*.html *.htm *.mht *.mhtml *.epub);;" +
@@ -361,7 +374,7 @@ QStringList CFileDialogWrapper::modalOpenDocuments(const QString& path, bool mul
 QStringList CFileDialogWrapper::modalOpenSpreadsheets(const QString& path, bool multi)
 {
     QString filter = m_mapFilters[AVS_OFFICESTUDIO_FILE_UNKNOWN];
-    filter.prepend(tr("Spreadsheets") + " (*.xlsx *.xls *.ods *.ots *.csv *.tsv *.xltx *.xltm *.fods *.et *.ett);;");
+    filter.prepend(tr("Spreadsheets") + " (*.xlsx *.xls *.ods *.ots *.csv *.tsv *.xltx *.xltm *.fods *.et *.ett);;" + tr("Databases") + " (*.sqlite *.sqlite3 *.db *.db3 *.duckdb *.parquet *.pq *.mdb *.accdb);;");
 
     return modalOpen(path, filter, nullptr, multi);
 }
@@ -459,12 +472,18 @@ void CFileDialogWrapper::setFormats(std::vector<int>& vf)
 {
     m_filters.clear();
 
-    if ( vf.size() ) {
-        std::vector<int>::iterator i = vf.begin();
-        m_filters = m_mapFilters.value(*(i++));
-        while (i != vf.end()) {
-            m_filters += ";;" + m_mapFilters.value(*(i++));
-        }
+    // m_mapFilters.value() returns an empty string for any format id it
+    // doesn't have an entry for (e.g. a database-origin format that isn't a
+    // valid Save As target). Skip those instead of appending an empty
+    // filter, which the XDG portal / native file dialogs reject outright.
+    for (int id : vf) {
+        const QString filter = m_mapFilters.value(id);
+        if (filter.isEmpty())
+            continue;
+        if (m_filters.isEmpty())
+            m_filters = filter;
+        else
+            m_filters += ";;" + filter;
     }
 }
 

win-linux/src/components/ctabpanel.cpp

@@ -3,7 +3,9 @@
 #include "cascapplicationmanagerwrapper.h"
 #include "defines.h"
 #include "cefview.h"
+#include "utils.h"
 #include <QHBoxLayout>
+#include "cmessage.h"
 
 
 using namespace NSEditorApi;
@@ -112,7 +114,19 @@ void CTabPanel::initAsSimple()
 
 void CTabPanel::openLocalFile(const std::wstring& path, int format, const std::wstring& params)
 {
-    static_cast<CCefViewEditor *>(m_pViewer->GetCefView())->OpenLocalFile(path, format, params);
+    QString qPath = QString::fromStdWString(path);
+    std::wstring _params = params;
+    if (Utils::isDatabaseFile(qPath)) {
+        // Database engines are read-only; open in view mode so the document
+        // can't be edited/saved in place (only exported via Save As). The
+        // warning itself is shown later, once the tab finishes loading (see
+        // CAscTabWidget::applyPageLoadingStatus) -- showing it synchronously
+        // here broke drag-and-drop opens under Wayland (a modal surface
+        // popped while the compositor's DnD grab was still active corrupted
+        // the new tab's rendering).
+        _params.append(L"&mode=view");
+    }
+    static_cast<CCefViewEditor *>(m_pViewer->GetCefView())->OpenLocalFile(path, format, _params);
 }
 
 bool CTabPanel::openLocalFile(const std::wstring& path, const std::wstring& params)
@@ -121,7 +135,13 @@ bool CTabPanel::openLocalFile(const std::wstring& path, const std::wstring& para
     if ( _format == 0 )
         return false;
 
-    static_cast<CCefViewEditor *>(m_pViewer->GetCefView())->OpenLocalFile(path, _format, params);
+    QString qPath = QString::fromStdWString(path);
+    std::wstring _params = params;
+    if (Utils::isDatabaseFile(qPath)) {
+        _params.append(L"&mode=view");
+    }
+
+    static_cast<CCefViewEditor *>(m_pViewer->GetCefView())->OpenLocalFile(path, _format, _params);
     return true;
 }
 

win-linux/src/utils.cpp

@@ -28,6 +28,7 @@
 #endif
 #include "utils.h"
 #include "defines.h"
+#include "components/cmessage.h"
 #include <QSettings>
 #include <QStandardPaths>
 #include <QDir>
@@ -747,6 +748,34 @@ void Utils::processMoreEvents(uint timeout)
     loop.exec();
 }
 
+bool Utils::isDatabaseFile(const QString& path)
+{
+    return path.endsWith(".sqlite", Qt::CaseInsensitive) || path.endsWith(".sqlite3", Qt::CaseInsensitive) ||
+           path.endsWith(".db", Qt::CaseInsensitive) || path.endsWith(".db3", Qt::CaseInsensitive) ||
+           path.endsWith(".duckdb", Qt::CaseInsensitive) || path.endsWith(".parquet", Qt::CaseInsensitive) ||
+           path.endsWith(".pq", Qt::CaseInsensitive) || path.endsWith(".mdb", Qt::CaseInsensitive) ||
+           path.endsWith(".accdb", Qt::CaseInsensitive);
+}
+
+void Utils::warnIfDatabaseFile(QWidget* parent, const QString& path)
+{
+    if (!isDatabaseFile(path))
+        return;
+
+    GET_REGISTRY_USER(reg_user);
+    if (reg_user.value("ignoreMsgAboutDatabaseFile", false).toBool())
+        return;
+
+    bool dontAskAgain = false;
+    CMessageOpts opts;
+    opts.checkBoxState = &dontAskAgain;
+    opts.chekBoxText = QObject::tr("Don't ask again.");
+    CMessage::showMessage(parent, QObject::tr("Warning: Cannot recover constraints, procedures, etc. from database files. You will need to save it as a spreadsheet."),
+                           MsgType::MSG_WARN, MsgBtns::mbOk, opts);
+    if (dontAskAgain)
+        reg_user.setValue("ignoreMsgAboutDatabaseFile", true);
+}
+
 #ifdef _WIN32
 Utils::WinVer Utils::getWinVersion()
 {

win-linux/src/utils.h

@@ -116,6 +116,13 @@ class Utils {
     static void addToRecent(const std::wstring&);
     static void processMoreEvents(uint timeout = 60);
 
+    static bool isDatabaseFile(const QString& path);
+    // Shows the "can't recover constraints/procedures" warning for database
+    // files, honoring the "don't ask again" checkbox (mirrors the
+    // ignoreMsgAboutOpenTabs pattern in CMainWindow::close). No-op if path
+    // isn't a recognized database file.
+    static void warnIfDatabaseFile(QWidget* parent, const QString& path);
+
 #ifdef _WIN32
     enum class WinVer : uchar {
         Undef, WinXP, WinVista, Win7, Win8, Win8_1, Win10, Win11

win-linux/src/windows/cmainwindow.cpp

@@ -375,6 +375,7 @@ void CMainWindow::dragEnterEvent(QDragEnterEvent *event)
     _exts << "xlsx" << "xls" << "ods" << "csv" << "xlst" << "xltx" << "ots";
     _exts << "pdf" << "djvu" << "xps";
     _exts << "plugin";
+    _exts << "sqlite" << "sqlite3" << "db" << "db3" << "duckdb" << "parquet" << "pq" << "mdb" << "accdb";
 
     QFileInfo oInfo(urls[0].toString());