FileDialog: keyboard shortcut to toggle "show hidden files"

4 files changed, 51 insertions, 1 deletions

diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index ec4886a6ac..e01f2f8e8e 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -862,6 +862,13 @@ bool Control::window_has_modal_stack() const {
 	return data.window->window->modal_stack.size();
 }
 
+bool Control::is_window_modal_on_top() const {
+
+	if (window_has_modal_stack())
+		return data.window->window->modal_stack.back()->get()==this;
+	return false;
+}
+
 void Control::_window_cancel_tooltip() {
 
 	window->tooltip=NULL;
diff --git a/scene/gui/control.h b/scene/gui/control.h
index 09a4b48e6b..cc8c157b1e 100644
--- a/scene/gui/control.h
+++ b/scene/gui/control.h
@@ -270,6 +270,8 @@ public:
 	void set_custom_minimum_size(const Size2& p_custom);
 	Size2 get_custom_minimum_size() const;
 
+	bool is_window_modal_on_top() const;
+
 	bool is_window() const;
 	Control *get_window() const;
 	Control *get_parent_control() const;
diff --git a/scene/gui/file_dialog.cpp b/scene/gui/file_dialog.cpp
index 9179d3a4e1..2a16810444 100644
--- a/scene/gui/file_dialog.cpp
+++ b/scene/gui/file_dialog.cpp
@@ -56,7 +56,42 @@ void FileDialog::_notification(int p_what) {
 
 		//RID ci = get_canvas_item();
 		//get_stylebox("panel","PopupMenu")->draw(ci,Rect2(Point2(),get_size()));
-	}	
+	}
+
+	if (p_what==NOTIFICATION_POPUP_HIDE) {
+
+		set_process_unhandled_input(false);
+	}
+}
+
+void FileDialog::_unhandled_input(const InputEvent& p_event) {
+
+	if (p_event.type==InputEvent::KEY && is_window_modal_on_top()) {
+
+		const InputEventKey &k=p_event.key;
+
+		if (k.pressed) {
+
+			bool handled=true;
+
+			switch (k.scancode) {
+
+				case KEY_H: {
+
+					if (k.mod.command) {
+						set_show_hidden_files(!show_hidden_files);
+					} else {
+						handled=false;
+					}
+
+				} break;
+				default: { handled=false; }
+			}
+
+			if (handled)
+				accept_event();
+		}
+	}
 }
 
 void FileDialog::set_enable_multiple_selection(bool p_enable) {
@@ -114,6 +149,8 @@ void FileDialog::_post_popup() {
 	else
 		tree->grab_focus();
 
+	set_process_unhandled_input(true);
+
 }
 
 void FileDialog::_action_pressed() {
@@ -628,6 +665,8 @@ bool FileDialog::default_show_hidden_files=false;
 
 void FileDialog::_bind_methods() {
 	
+	ObjectTypeDB::bind_method(_MD("_unhandled_input"),&FileDialog::_unhandled_input);
+
 	ObjectTypeDB::bind_method(_MD("_tree_selected"),&FileDialog::_tree_selected);
 	ObjectTypeDB::bind_method(_MD("_tree_db_selected"),&FileDialog::_tree_dc_selected);
 	ObjectTypeDB::bind_method(_MD("_dir_entered"),&FileDialog::_dir_entered);
diff --git a/scene/gui/file_dialog.h b/scene/gui/file_dialog.h
index 370088b215..0f6cb14668 100644
--- a/scene/gui/file_dialog.h
+++ b/scene/gui/file_dialog.h
@@ -117,6 +117,8 @@ private:
 
 	void _update_drives();
 
+	void _unhandled_input(const InputEvent& p_event);
+
 	virtual void _post_popup();
 
 protected: