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LibGUI: AbstractScrollableWidget GML/JSON

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FrHun 2021-09-19 00:59:52 +02:00 • committed by Andreas Kling
parent 7110afe9bf
commit 54f459e020
2 changed files with 53 additions and 0 deletions
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52
Userland/Libraries/LibGUI/ScrollableContainerWidget.cpp
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@ -7,10 +7,14 @@
#include <LibGUI/Layout.h>
#include <LibGUI/ScrollableContainerWidget.h>
REGISTER_WIDGET(GUI, ScrollableContainerWidget)
namespace GUI {
ScrollableContainerWidget::ScrollableContainerWidget()
{
REGISTER_BOOL_PROPERTY("scrollbars_enabled", is_scrollbars_enabled, set_scrollbars_enabled);
REGISTER_BOOL_PROPERTY("should_hide_unnecessary_scrollbars", should_hide_unnecessary_scrollbars, set_should_hide_unnecessary_scrollbars);
}
ScrollableContainerWidget::~ScrollableContainerWidget()
@ -81,4 +85,52 @@ void ScrollableContainerWidget::set_widget(GUI::Widget* widget)
update_widget_position();
}
bool ScrollableContainerWidget::load_from_json(const JsonObject& json, RefPtr<Core::Object> (*unregistered_child_handler)(const String&))
{
json.for_each_member([&](auto& key, auto& value) {
set_property(key, value);
});
auto layout_value = json.get("layout");
if (!layout_value.is_null()) {
dbgln("Layout specified in ScrollableContainerWidget, this is not supported.");
return false;
}
auto content_widget_value = json.get("content_widget");
if (!content_widget_value.is_null() && !content_widget_value.is_object()) {
dbgln("content widget is not an object");
return false;
}
if (!json.get("children").is_null()) {
dbgln("children specified for ScrollableContainerWidget, but only 1 widget as content_widget is supported");
return false;
}
if (content_widget_value.is_object()) {
auto& content_widget = content_widget_value.as_object();
auto class_name = content_widget.get("class");
if (!class_name.is_string()) {
dbgln("Invalid content widget class name");
return false;
}
RefPtr<Core::Object> child;
if (auto* registration = Core::ObjectClassRegistration::find(class_name.as_string())) {
child = registration->construct();
} else {
child = unregistered_child_handler(class_name.as_string());
}
if (!child)
return false;
auto widget_ptr = verify_cast<GUI::Widget>(child.ptr());
set_widget(widget_ptr);
child->load_from_json(content_widget, unregistered_child_handler);
return true;
}
return true;
}
}