cleanups: nicer demo

Stacked demo is now more visible (each sub widget has different color).

Fixed some compilation issues.

src/layout.h

@@ -10,10 +10,9 @@
 #include <functional>
 #include <list>
 #include <memory>
+#include <sizepoint.h>
 #include <vector>
 
-#include "sizepoint.h"
-
 struct Widget;
 
 struct LayoutParams {

src/main.cxx

@@ -132,18 +132,21 @@ int main() {
 
     auto stack = w2->add_new<Stackwidget>();
     stack->add_new<Label>(Position{}, Size{}, "Widget 1");
-    stack->add_new<Label>(Position{}, Size{}, "Widget 2");
-    stack->add_new<Label>(Position{}, Size{}, "Widget 3");
-    stack->add_new<Label>(Position{}, Size{}, "Widget 4");
+    stack->add_new<Label>(Position{}, Size{}, "Widget 2")->content.background_color =
+        MakeColor(0xaa, 0x22, 0x22);
+    stack->add_new<Label>(Position{}, Size{}, "Widget 3")->content.background_color =
+        MakeColor(0x33, 0xaa, 0x22);
+    stack->add_new<Label>(Position{}, Size{}, "Widget 4")->content.background_color =
+        MakeColor(0x33, 0x22, 0xaa);
 
     list->on_item_selected = [&stack](auto list, auto index /*, auto reason*/) {
         stack->set_current_page(index);
- };
+    };
 
     platform.show_window(w2);
 #endif
 
-#if 0
+#if 1
     auto w1 = platform.open_window(100, 100, 640, 480, "test 1");
     auto l =
         w1->add_new<Label>(Position{10, 10}, Size{300, 20}, "test 1 - Hello world! glqi שלום עולם");
@@ -156,7 +159,7 @@ int main() {
     auto l_right = center_layout->add(std::make_shared<VerticalLayout>());
 
     w1->main_widget.layout->margin.set(5);
-    center_layout->padding.set_horitzonal(10);
+    center_layout->padding.set_horizontal(10);
 
     //    l_right->margin.set(5);
     w1->add_new_to_layout<ListView>(l_left, Position{10, 80}, Size{165, 100})->adapter =
@@ -220,9 +223,9 @@ int main() {
     spin->did_change = [&scroll](auto spinbox, auto value) { scroll->set_value(value); };
 
     auto buttons_layout = w1->main_widget.layout->add(std::make_shared<HorizontalLayout>());
-    buttons_layout->margin.set_horitzonal(5);
+    buttons_layout->margin.set_horizontal(5);
     buttons_layout->margin.set_vertical(5);
-    buttons_layout->padding.set_horitzonal(10);
+    buttons_layout->padding.set_horizontal(10);
     buttons_layout->add(std::make_shared<HorizontalSpacer>())->weight = 2;
 
     w1->add_new_to_layout<Button>(buttons_layout, Position{10, 420}, Size{200, 40}, "OK", true,
@@ -235,7 +238,7 @@ int main() {
         buttons_layout, Position{220, 420}, Size{200, 40}, "Cancel", false, [&cancel_button]() {
             static auto clicked_count = 0;
             clicked_count++;
-            spdlog::info("Cancel clicke1d! count = {}", clicked_count);
+            spdlog::info("Cancel Clicked! count = {}", clicked_count);
             cancel_button->text = fmt::format("Cancel ({})", clicked_count);
             cancel_button->invalidate();
         });