diff --git a/main_window.py b/main_window.py
index be978ac..953ab49 100644
--- a/main_window.py
+++ b/main_window.py
@@ -617,7 +617,12 @@ class MainWindow(QMainWindow):
 
     def open_background_dialog(self) -> None:
         dialog = BackgroundDialog(self.document.background, self)
-        if dialog.exec() != BackgroundDialog.Accepted:
+        self._disable_shortcuts()
+        try:
+            res = dialog.exec()
+        finally:
+            self._enable_shortcuts()
+        if res != BackgroundDialog.Accepted:
             return
         background = dialog.background()
         if not background.path:
@@ -711,7 +716,12 @@ class MainWindow(QMainWindow):
 
     def open_settings(self) -> None:
         dialog = SettingsDialog(self.settings, self)
-        if dialog.exec() != SettingsDialog.Accepted:
+        self._disable_shortcuts()
+        try:
+            res = dialog.exec()
+        finally:
+            self._enable_shortcuts()
+        if res != SettingsDialog.Accepted:
             return
         self.settings = dialog.settings()
         self.settings.save()
@@ -1099,7 +1109,14 @@ class MainWindow(QMainWindow):
         buttons.accepted.connect(dialog.accept)
         buttons.rejected.connect(dialog.reject)
         layout.addWidget(buttons)
-        if dialog.exec() != QDialog.Accepted:
+        
+        self._disable_shortcuts()
+        try:
+            res = dialog.exec()
+        finally:
+            self._enable_shortcuts()
+            
+        if res != QDialog.Accepted:
             return
         self.update_point_coordinates(point_id, x_spin.value(), y_spin.value(), source="dialog")
 
@@ -1724,13 +1741,17 @@ class MainWindow(QMainWindow):
         block = self._find_block_or_none(line_id, block_id)
         if block is None:
             return
-        new_name, ok = QInputDialog.getText(
-            self,
-            "Переименовать блок",
-            "Введите новое имя блока:",
-            QLineEdit.EchoMode.Normal,
-            block.name
-        )
+        self._disable_shortcuts()
+        try:
+            new_name, ok = QInputDialog.getText(
+                self,
+                "Переименовать блок",
+                "Введите новое имя блока:",
+                QLineEdit.EchoMode.Normal,
+                block.name
+            )
+        finally:
+            self._enable_shortcuts()
         if ok and new_name.strip() and new_name.strip() != block.name:
             self._push_undo()
             block.name = new_name.strip()
@@ -2238,6 +2259,14 @@ class MainWindow(QMainWindow):
             self._dirty,
         )
 
+    def _disable_shortcuts(self) -> None:
+        for action in self.actions.values():
+            action.setShortcutContext(Qt.WidgetShortcut)
+
+    def _enable_shortcuts(self) -> None:
+        for action in self.actions.values():
+            action.setShortcutContext(Qt.ApplicationShortcut)
+
     def _restore_state(self, state: tuple[MappingDocument, int | None, list[int], bool]) -> None:
         document, active_line_id, selected_point_ids, dirty = state
         self.document = document