Updated to staging cambalache for issues

Makefile

@@ -1,5 +1,6 @@
 NAME=ginput
 CC=gcc
+CAMBALACHE=cambalache
 CFLAGS=$(shell pkg-config --cflags gtk4 libadwaita-1) -O3 -I src
 LDFLAGS=$(shell pkg-config --libs gtk4 libadwaita-1)
 BUILD_DIR=build
@@ -21,7 +22,7 @@ $(BUILD_DIR):
 
 # UI : Cambalache contains all of the UI files, just compile them all
 $(BUILD_DIR)/%.ui: ui/$(NAME).cmb | $(BUILD_DIR)
-	cambalache -E $^
+	$(CAMBALACHE) -E $^
 	mv ui/*.ui $(BUILD_DIR)/
 
 # Resources

ui/ginput.cmb

@@ -1,10 +1,11 @@
 <?xml version='1.0' encoding='UTF-8' standalone='no'?>
 <!DOCTYPE cambalache-project SYSTEM "cambalache-project.dtd">
-<cambalache-project version="0.12.0" target_tk="gtk-4.0">
+<cambalache-project version="0.13.1" target_tk="gtk-4.0">
   <ui>
 	(1,1,"gkeyboards.ui","main-window.ui",None,None,None,None,None,None,"  &lt;menu id=\"primary_menu\"&gt;\n    &lt;section&gt;\n      &lt;item&gt;\n        &lt;attribute name=\"label\" translatable=\"yes\"&gt;About&lt;/attribute&gt;\n        &lt;attribute name=\"action\"&gt;app.about&lt;/attribute&gt;\n      &lt;/item&gt;\n    &lt;/section&gt;\n  &lt;/menu&gt;\n"),
 	(2,1,None,"panel.ui",None,None,None,None,None,None,None),
-	(3,None,None,"panel-empty.ui",None,None,None,None,None,None,"&lt;template class=\"EmptyPanel\" parent=\"Panel\"&gt;\n	&lt;child type=\"content\"&gt;\n			&lt;object class=\"GtkLabel\"&gt;\n				&lt;property name=\"label\"&gt;Nothing to see here&lt;/property&gt;\n			&lt;/object&gt;\n	&lt;/child&gt;\n&lt;/template&gt;")
+	(3,1,None,"panel-empty.ui",None,None,None,None,None,None,""),
+	(4,1,None,"panel-mouse.ui",None,None,None,None,None,None,None)
   </ui>
   <object>
 	(1,1,"AdwApplicationWindow","MainWindow",None,None,None,None,None,None),
@@ -24,7 +25,9 @@
 	(2,12,"AdwBin","content_bin",11,None,None,None,1,None),
 	(2,13,"AdwBin","titlebar_bin",11,None,None,None,None,None),
 	(2,15,"AdwHeaderBar","titlebar",13,None,None,None,None,None),
-	(2,16,"AdwWindowTitle","title",15,None,None,None,None,None)
+	(2,16,"AdwWindowTitle","title",15,None,None,None,None,None),
+	(3,1,"Panel","EmptyPanel",None,None,None,None,None,"&lt;child type=\"content\"&gt;\n	&lt;object class=\"GtkLabel\"&gt;\n		&lt;property name=\"label\"&gt;Nothing to see here&lt;/property&gt;\n	&lt;/object&gt;\n&lt;/child&gt;\n"),
+	(4,1,"Panel","MousePanel",None,None,None,None,None,"")
   </object>
   <object_property>
 	(1,1,"GtkWindow","default-height","980",None,None,None,None,None,None,None,None,None),
@@ -59,12 +62,12 @@
 	(2,15,"AdwHeaderBar","title-widget",None,None,None,None,None,16,None,None,None,None)
   </object_property>
   <object_data>
-	(1,6,"GtkWidget",1,1,None,None,None),
-	(1,10,"GtkWidget",1,1,None,None,None),
-	(1,10,"GtkWidget",2,2,None,1,None),
-	(1,8,"GtkWidget",1,1,None,None,None),
-	(1,8,"GtkWidget",2,2,None,1,None),
-	(1,6,"GtkWidget",2,2,None,1,None)
+	(1,6,"GtkWidget",1,1,None,None,None,None,None,None),
+	(1,10,"GtkWidget",1,1,None,None,None,None,None,None),
+	(1,10,"GtkWidget",2,2,None,1,None,None,None,None),
+	(1,8,"GtkWidget",1,1,None,None,None,None,None,None),
+	(1,8,"GtkWidget",2,2,None,1,None,None,None,None),
+	(1,6,"GtkWidget",2,2,None,1,None,None,None,None)
   </object_data>
   <object_data_arg>
 	(1,10,"GtkWidget",2,2,"name","background"),