[widgets][algorithmeditor] Add tooltip to all buttons

beat/editor/widgets/algorithmeditor.py

@@ -347,6 +347,8 @@ class ParameterEditor(DeletableEditor):
     def __init__(self, parent=None):
         super().__init__(parent=None)
 
+        self.delete_button.setToolTip(self.tr("Remove parameter"))
+
         self.name_lineedit = QLineEdit()
         self.name_lineedit.setValidator(
             QRegularExpressionValidator(NAME_REGULAREXPRESSION, self)
@@ -380,6 +382,8 @@ class ResultEditor(DeletableEditor):
     def __init__(self, dataformat_model, parent=None):
         super().__init__(parent)
 
+        self.delete_button.setToolTip(self.tr("Remove result"))
+
         proxy_model = QSortFilterProxyModel()
         proxy_model.setSourceModel(dataformat_model)
         proxy_model.setFilterRegExp(
@@ -514,9 +518,15 @@ class GroupEditor(DeletableEditor):
 
         self.dataformat_model = dataformat_model
 
+        self.delete_button.setToolTip(self.tr("Remove group"))
+
         self.name_lineedit = QLineEdit()
         self.inputs_widget = IOWidget(self.tr("Inputs"), self.dataformat_model)
+        self.inputs_widget.add_button.setToolTip(self.tr("Add input"))
+        self.inputs_widget.remove_button.setToolTip(self.tr("Remove input"))
         self.outputs_widget = IOWidget(self.tr("Outputs"), self.dataformat_model)
+        self.outputs_widget.add_button.setToolTip(self.tr("Add output"))
+        self.outputs_widget.remove_button.setToolTip(self.tr("Remove output"))
         self.unsynchronized_checkbox = QCheckBox(self.tr("Unsynchronized"))
         self.groupbox = QGroupBox()
         self.loop_groupbox = QGroupBox(self.tr("Loop"))
@@ -612,14 +622,17 @@ class AlgorithmEditor(AbstractAssetEditor):
 
         self.group_list_widget = EditorListWidget()
         self.add_group_button = QPushButton(self.tr("+"))
+        self.add_group_button.setToolTip(self.tr("Add group"))
         self.add_group_button.setFixedSize(30, 30)
 
         self.parameter_list_widget = EditorListWidget()
         self.add_parameter_button = QPushButton(self.tr("+"))
+        self.add_parameter_button.setToolTip(self.tr("Add parameter"))
         self.add_parameter_button.setFixedSize(30, 30)
 
         self.result_list_widget = EditorListWidget()
         self.add_result_button = QPushButton(self.tr("+"))
+        self.add_result_button.setToolTip(self.tr("Add result"))
         self.add_result_button.setFixedSize(30, 30)
 
         self.dataformat_model = DataFormatModel()