Merge pull request #1549 from MarcelP102/codex/graphic-attributes-cleanup

[UX] Introducing graphic attributes panel

# Conflicts:
#	locales/ar-SA/opencadstudio.ftl
#	locales/bg-BG/opencadstudio.ftl
#	locales/cs-CZ/opencadstudio.ftl
#	locales/de-DE/opencadstudio.ftl
#	locales/el-GR/opencadstudio.ftl
#	locales/en-US/opencadstudio.ftl
#	locales/es-ES/opencadstudio.ftl
#	locales/fi-FI/opencadstudio.ftl
#	locales/fr-FR/opencadstudio.ftl
#	locales/hi-IN/opencadstudio.ftl
#	locales/hu-HU/opencadstudio.ftl
#	locales/it-IT/opencadstudio.ftl
#	locales/ja-JP/opencadstudio.ftl
#	locales/ko-KR/opencadstudio.ftl
#	locales/lo-LA/opencadstudio.ftl
#	locales/nl-NL/opencadstudio.ftl
#	locales/pl-PL/opencadstudio.ftl
#	locales/pt-BR/opencadstudio.ftl
#	locales/ru-RU/opencadstudio.ftl
#	locales/tr-TR/opencadstudio.ftl
#	locales/zh-CN/opencadstudio.ftl
#	locales/zh-TW/opencadstudio.ftl
#	src/app/mod.rs
#	src/app/update/dialog.rs
#	src/app/view/mod.rs
#	src/locale_catalog.rs
#	src/ui/dock.rs

src/app/mod.rs

@@ -817,6 +817,9 @@ pub(super) struct OpenCADStudio {
     show_properties: bool,
     /// The Layer Manager pallet (LAYERS) is open.
     pub(crate) show_layers: bool,
+    /// Whether the Graphic Attributes palette is shown (GRAPHICATTRIBUTES).
+    show_graphic_attributes: bool,
+    graphic_attributes: crate::ui::window::graphic_attributes::GraphicAttributesState,
     /// Docked Insert Block panel visibility.
     pub(crate) show_block_palette: bool,
     /// Node graph overlay over the viewport.
@@ -1616,6 +1619,9 @@ pub enum ColorPickerTab {
 /// Where a colour chosen in the standalone palette window should be applied.
 #[derive(Debug, Clone)]
 pub enum ColorPickTarget {
+    Gradient(u8),
+    GraphicAttributesLine,
+    GraphicAttributesSolid,
     DimStyle(DsField),
     MLeader(&'static str),
     Table(u8, &'static str),
@@ -2155,6 +2161,7 @@ pub enum PasteFocus {
 
 #[derive(Debug, Clone)]
 pub enum Message {
+    GraphicAttributes(crate::ui::window::graphic_attributes::GraphicAttributesMsg),
     SpaceMouseWake,
     SpaceMouseFrame(iced::time::Instant),
     SpaceMouseFocus(iced::window::Id, bool),
@@ -2892,6 +2899,8 @@ pub enum Message {
     ToggleViewCube,
     /// Toggle the Properties panel visibility (PROPERTIES).
     ToggleProperties,
+    /// Toggle the Graphic Attributes panel visibility (GRAPHICATTRIBUTES).
+    ToggleGraphicAttributes,
     /// Toggle the document file tabs at the top (FILETAB).
     ToggleFileTabs,
     /// Toggle the layout tabs at the bottom (LAYOUTTAB).
@@ -4309,6 +4318,8 @@ impl OpenCADStudio {
             render_mode_preview: None,
             show_properties: true,
             show_layers: false,
+            show_graphic_attributes: false,
+            graphic_attributes: Default::default(),
             show_block_palette: false,
             show_node_graph: false,
             property_target_override: None,