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LibGUI: Add layout spacer support to GML

Browse source 
This is a bit of a hack, but it is an easy way to finally get spacers
into GML.
This will translate well if spacers are later to become child objects of
the continer widget.
This commit is contained in:
FrHun 2022-01-04 18:15:15 +01:00 • committed by Linus Groh
parent d1d5602132
commit 8081a8a5de
13 changed files with 106 additions and 99 deletions
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3
Userland/Applications/CrashReporter/CrashReporterWindow.gml
View file

@ -94,8 +94,7 @@
fixed_width: 150
}
// HACK: We need something like Layout::add_spacer() in GML! :^)
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "close_button"

3
Userland/Applications/Run/Run.gml
View file

@ -41,8 +41,7 @@
layout: @GUI::HorizontalBoxLayout {}
fixed_height: 22
// HACK: using an empty widget as a spacer
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "ok_button"

4
Userland/Applications/Spreadsheet/CondFormatting.gml
View file

@ -16,7 +16,7 @@
spacing: 10
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "add_button"
@ -30,6 +30,6 @@
fixed_width: 70
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
}

4
Userland/Applications/Welcome/WelcomeWindow.gml
View file

@ -85,7 +85,7 @@
text: "Next Tip"
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::HorizontalSeparator {
fixed_height: 2
@ -107,7 +107,7 @@
autosize: true
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "close_button"

3
Userland/Demos/WidgetGallery/DemoWizardPage1.gml
View file

@ -28,6 +28,5 @@
}
}
// Spacer
@GUI::Widget {}
@GUI::Layout::Spacer {}
}

3
Userland/Demos/WidgetGallery/DemoWizardPage2.gml
View file

@ -14,6 +14,5 @@
fixed_height: 28
}
// Spacer
@GUI::Widget {}
@GUI::Layout::Spacer {}
}

28
Userland/Demos/WidgetGallery/GalleryGML/BasicsTab.gml
View file

@ -92,7 +92,7 @@
@GUI::Widget {
layout: @GUI::VerticalBoxLayout {}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "normal_button"
@ -105,7 +105,7 @@
enabled: "false"
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
@GUI::VerticalSeparator {}
@ -113,7 +113,7 @@
@GUI::Widget {
layout: @GUI::VerticalBoxLayout {}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "enabled_coolbar_button"
@ -128,7 +128,7 @@
button_style: "Coolbar"
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
}
@ -144,7 +144,7 @@
fixed_width: 60
layout: @GUI::VerticalBoxLayout {}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::RadioButton {
name: "top_radiobutton"
@ -157,16 +157,16 @@
text: "Radio 2"
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Widget {
fixed_width: 70
layout: @GUI::VerticalBoxLayout {}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::CheckBox {
name: "top_checkbox"
@ -179,10 +179,10 @@
enabled: false
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
@GUI::VerticalSeparator {}
@ -190,7 +190,7 @@
@GUI::Widget {
layout: @GUI::VerticalBoxLayout {}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "icon_button"
@ -203,7 +203,7 @@
enabled: "false"
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
}
}
@ -278,7 +278,7 @@
}
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "font_button"
@ -295,7 +295,7 @@
text: "Input dialog..."
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
}

8
Userland/Demos/WidgetGallery/GalleryGML/SlidersTab.gml
View file

@ -56,7 +56,7 @@
margins: [0, 8]
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Scrollbar {
name: "enabled_scrollbar"
@ -67,11 +67,11 @@
value: 50
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::HorizontalSeparator {}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Scrollbar {
name: "disabled_scrollbar"
@ -79,7 +79,7 @@
fixed_width: -1
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
}
@GUI::GroupBox {

2
Userland/Libraries/LibGUI/FilePickerDialog.gml
View file

@ -80,7 +80,7 @@
fixed_height: 22
layout: @GUI::HorizontalBoxLayout {}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "cancel_button"

8
Userland/Libraries/LibGUI/GML/Parser.cpp
View file

@ -42,8 +42,7 @@ static ErrorOr<NonnullRefPtr<Object>> parse_gml_object(Queue<Token>& tokens)
auto class_name = tokens.dequeue();
object->set_name(class_name.m_view);
if (peek() != Token::Type::LeftCurly)
return Error::from_string_literal("Expected {{"sv);
if (peek() == Token::Type::LeftCurly) {
tokens.dequeue();
@ -58,14 +57,14 @@ static ErrorOr<NonnullRefPtr<Object>> parse_gml_object(Queue<Token>& tokens)
// It's a child object.
while (!pending_comments.is_empty())
TRY(object->add_sub_object_child(pending_comments.take_first()));
TRY(object->add_sub_object_child(pending_comments.take_last()));
TRY(object->add_sub_object_child(TRY(parse_gml_object(tokens))));
} else if (peek() == Token::Type::Identifier) {
// It's a property.
while (!pending_comments.is_empty())
TRY(object->add_property_child(pending_comments.take_first()));
TRY(object->add_property_child(pending_comments.take_last()));
auto property_name = tokens.dequeue();
@ -100,6 +99,7 @@ static ErrorOr<NonnullRefPtr<Object>> parse_gml_object(Queue<Token>& tokens)
return Error::from_string_literal("Expected }}"sv);
tokens.dequeue();
}
return object;
}

2
Userland/Libraries/LibGUI/PasswordInputDialog.gml
View file

@ -68,7 +68,7 @@
}
}
@GUI::Widget {}
@GUI::Layout::Spacer {}
@GUI::Widget {
shrink_to_fit: true

11
Userland/Libraries/LibGUI/Widget.cpp
View file

@ -1131,6 +1131,14 @@ bool Widget::load_from_gml_ast(NonnullRefPtr<GUI::GML::Node> ast, RefPtr<Core::O
object->for_each_child_object_interruptible([&](auto child_data) {
auto class_name = child_data->name();
// It is very questionable if this pseudo object should exist, but it works fine like this for now.
if (class_name == "GUI::Layout::Spacer") {
if (!this->layout()) {
dbgln("Specified GUI::Layout::Spacer in GML, but the parent has no Layout.");
return IterationDecision::Break;
}
this->layout()->add_spacer();
} else {
RefPtr<Core::Object> child;
if (auto* registration = Core::ObjectClassRegistration::find(class_name)) {
child = registration->construct();
@ -1143,8 +1151,8 @@ bool Widget::load_from_gml_ast(NonnullRefPtr<GUI::GML::Node> ast, RefPtr<Core::O
}
if (!child)
return IterationDecision::Break;
add_child(*child);
// This is possible as we ensure that Widget is a base class above.
static_ptr_cast<Widget>(child)->load_from_gml_ast(child_data, unregistered_child_handler);
@ -1153,6 +1161,7 @@ bool Widget::load_from_gml_ast(NonnullRefPtr<GUI::GML::Node> ast, RefPtr<Core::O
remove_child(*child);
reinterpret_cast<TabWidget*>(this)->add_widget(*static_ptr_cast<Widget>(child));
}
}
return IterationDecision::Continue;
});

2
Userland/Services/LoginServer/LoginWindow.gml
View file

@ -30,6 +30,8 @@
text_alignment: "CenterLeft"
}
@GUI::Layout::Spacer {}
@GUI::Button {
name: "log_in"
text: "Log in"