Popup dialog if changes are made to read-only profiles

Add dialog to explain how to change a ro profile.

patch by ahmadsamir

Differential Revision: https://phabricator.kde.org/D9350

src/EditProfileDialog.cpp

@@ -143,10 +143,15 @@ void EditProfileDialog::reject()
 
 void EditProfileDialog::accept()
 {
-    if (!isValidProfileName()) {
-        return;
+    // if the Apply button is disabled then no settings were changed
+    // or the changes have already been saved by apply()
+    if (mButtonBox->button(QDialogButtonBox::Apply)->isEnabled()) {
+        if (!isValidProfileName()) {
+            return;
+        }
+        save();
     }
-    save();
+
     unpreviewAll();
     QDialog::accept();
 }
@@ -164,6 +169,20 @@ bool EditProfileDialog::isValidProfileName()
     Q_ASSERT(_profile);
     Q_ASSERT(_tempProfile);
 
+    // check whether the user has enough permissions to save the profile
+    QFileInfo fileInfo(_profile->path());
+    if (fileInfo.exists() && !fileInfo.isWritable()) {
+        if (!_tempProfile->isPropertySet(Profile::Name)
+            || (_tempProfile->isPropertySet(Profile::Name) && _tempProfile->name() == _profile->name())) {
+                KMessageBox::sorry(this,
+                                   i18n("<p>Konsole does not have permission to save this profile to:<br /> \"%1\"</p>"
+                                        "<p>To be able to save settings you can either change the permissions "
+                                        "of the profile configuration file or change the profile name to save "
+                                        "the settings to a new profile.</p>", _profile->path()));
+                return false;
+        }
+    }
+
     const QList<Profile::Ptr> existingProfiles = ProfileManager::instance()->allProfiles();
     QStringList otherExistingProfileNames;
 

src/EditProfileDialog.h

@@ -242,8 +242,11 @@ private:
     };
     void setupCheckBoxes(BooleanOption *options, const Profile::Ptr profile);
 
-    // returns false if the profile name is empty or if the name matches
-    // the name of an already existing profile; otherwise return true.
+    // returns false if:
+    // - the profile name is empty
+    // - the name matches the name of an already existing profile
+    // - the existing profile config file is read-only
+    // otherwise returns true.
     bool isValidProfileName();
 
     Ui::EditProfileDialog *_ui;