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https://github.com/GraphiteEditor/Graphite.git
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Restructure the entire editor codebase to consistently match the message hierarchy
Closes #744
This commit is contained in:
Keavon Chambers
@@ -0,0 +1,221 @@
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use super::utility_types::{tool_message_to_tool_type, ToolFsmState};
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use crate::application::generate_uuid;
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use crate::messages::layout::utility_types::layout_widget::PropertyHolder;
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use crate::messages::layout::utility_types::misc::LayoutTarget;
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use crate::messages::prelude::*;
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use crate::messages::tool::utility_types::ToolType;
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use graphene::color::Color;
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use graphene::layers::text_layer::FontCache;
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use std::collections::VecDeque;
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#[derive(Debug, Default)]
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pub struct ToolMessageHandler {
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tool_state: ToolFsmState,
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}
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impl MessageHandler<ToolMessage, (&DocumentMessageHandler, &InputPreprocessorMessageHandler, &FontCache)> for ToolMessageHandler {
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#[remain::check]
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fn process_message(&mut self, message: ToolMessage, data: (&DocumentMessageHandler, &InputPreprocessorMessageHandler, &FontCache), responses: &mut VecDeque<Message>) {
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let (document, input, font_cache) = data;
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#[remain::sorted]
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match message {
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// Messages
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#[remain::unsorted]
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ToolMessage::ActivateToolSelect => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Select }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolArtboard => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Artboard }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolNavigate => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Navigate }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolEyedropper => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Eyedropper }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolText => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Text }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolFill => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Fill }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolGradient => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Gradient }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolPath => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Path }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolPen => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Pen }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolFreehand => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Freehand }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolSpline => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Spline }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolLine => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Line }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolRectangle => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Rectangle }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolEllipse => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Ellipse }.into()),
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#[remain::unsorted]
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ToolMessage::ActivateToolShape => responses.push_front(ToolMessage::ActivateTool { tool_type: ToolType::Shape }.into()),
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ToolMessage::ActivateTool { tool_type } => {
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let tool_data = &mut self.tool_state.tool_data;
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let document_data = &self.tool_state.document_tool_data;
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let old_tool = tool_data.active_tool_type;
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// Do nothing if switching to the same tool
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if tool_type == old_tool {
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return;
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}
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// Send the Abort state transition to the tool
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let mut send_abort_to_tool = |tool_type, update_hints_and_cursor: bool| {
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if let Some(tool) = tool_data.tools.get_mut(&tool_type) {
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if let Some(tool_abort_message) = tool.event_to_message_map().tool_abort {
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tool.process_message(tool_abort_message, (document, document_data, input, font_cache), responses);
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}
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if update_hints_and_cursor {
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tool.process_message(ToolMessage::UpdateHints, (document, document_data, input, font_cache), responses);
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tool.process_message(ToolMessage::UpdateCursor, (document, document_data, input, font_cache), responses);
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}
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}
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};
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// Send the old and new tools a transition to their FSM Abort states
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send_abort_to_tool(tool_type, true);
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send_abort_to_tool(old_tool, false);
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// Unsubscribe old tool from the broadcaster
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tool_data.tools.get(&tool_type).unwrap().deactivate(responses);
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// Store the new active tool
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tool_data.active_tool_type = tool_type;
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// Subscribe new tool
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tool_data.tools.get(&tool_type).unwrap().activate(responses);
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// Send the SelectionChanged message to the active tool, this will ensure the selection is updated
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responses.push_back(BroadcastEvent::SelectionChanged.into());
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// Send the DocumentIsDirty message to the active tool's sub-tool message handler
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responses.push_back(BroadcastEvent::DocumentIsDirty.into());
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// Send Properties to the frontend
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tool_data.tools.get(&tool_type).unwrap().register_properties(responses, LayoutTarget::ToolOptions);
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// Notify the frontend about the new active tool to be displayed
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tool_data.register_properties(responses, LayoutTarget::ToolShelf);
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}
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ToolMessage::DeactivateTools => {
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let tool_data = &mut self.tool_state.tool_data;
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tool_data.tools.get(&tool_data.active_tool_type).unwrap().deactivate(responses);
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}
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ToolMessage::InitTools => {
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let tool_data = &mut self.tool_state.tool_data;
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let document_data = &self.tool_state.document_tool_data;
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let active_tool = &tool_data.active_tool_type;
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// Subscribe tool to broadcast messages
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tool_data.tools.get(active_tool).unwrap().activate(responses);
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// Register initial properties
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tool_data.tools.get(active_tool).unwrap().register_properties(responses, LayoutTarget::ToolOptions);
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// Notify the frontend about the initial active tool
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tool_data.register_properties(responses, LayoutTarget::ToolShelf);
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// Notify the frontend about the initial working colors
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document_data.update_working_colors(responses);
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responses.push_back(FrontendMessage::TriggerRefreshBoundsOfViewports.into());
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// Set initial hints and cursor
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tool_data
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.active_tool_mut()
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.process_message(ToolMessage::UpdateHints, (document, document_data, input, font_cache), responses);
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tool_data
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.active_tool_mut()
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.process_message(ToolMessage::UpdateCursor, (document, document_data, input, font_cache), responses);
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}
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ToolMessage::ResetColors => {
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let document_data = &mut self.tool_state.document_tool_data;
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document_data.primary_color = Color::BLACK;
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document_data.secondary_color = Color::WHITE;
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document_data.update_working_colors(responses);
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}
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ToolMessage::SelectPrimaryColor { color } => {
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let document_data = &mut self.tool_state.document_tool_data;
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document_data.primary_color = color;
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self.tool_state.document_tool_data.update_working_colors(responses);
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}
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ToolMessage::SelectRandomPrimaryColor => {
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// Select a random primary color (rgba) based on an UUID
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let document_data = &mut self.tool_state.document_tool_data;
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let random_number = generate_uuid();
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let r = (random_number >> 16) as u8;
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let g = (random_number >> 8) as u8;
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let b = random_number as u8;
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let random_color = Color::from_rgba8(r, g, b, 255);
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document_data.primary_color = random_color;
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document_data.update_working_colors(responses);
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}
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ToolMessage::SelectSecondaryColor { color } => {
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let document_data = &mut self.tool_state.document_tool_data;
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document_data.secondary_color = color;
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document_data.update_working_colors(responses);
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}
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ToolMessage::SwapColors => {
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let document_data = &mut self.tool_state.document_tool_data;
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std::mem::swap(&mut document_data.primary_color, &mut document_data.secondary_color);
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document_data.update_working_colors(responses);
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}
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// Sub-messages
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#[remain::unsorted]
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tool_message => {
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let tool_type = match &tool_message {
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ToolMessage::UpdateCursor | ToolMessage::UpdateHints => self.tool_state.tool_data.active_tool_type,
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tool_message => tool_message_to_tool_type(tool_message),
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};
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let document_data = &self.tool_state.document_tool_data;
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let tool_data = &mut self.tool_state.tool_data;
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if let Some(tool) = tool_data.tools.get_mut(&tool_type) {
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if tool_type == tool_data.active_tool_type {
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tool.process_message(tool_message, (document, document_data, input, font_cache), responses);
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}
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}
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}
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}
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}
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fn actions(&self) -> ActionList {
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let mut list = actions!(ToolMessageDiscriminant;
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ActivateToolSelect,
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ActivateToolArtboard,
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ActivateToolNavigate,
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ActivateToolEyedropper,
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ActivateToolText,
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ActivateToolFill,
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ActivateToolGradient,
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ActivateToolPath,
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ActivateToolPen,
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ActivateToolFreehand,
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ActivateToolSpline,
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ActivateToolLine,
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ActivateToolRectangle,
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ActivateToolEllipse,
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ActivateToolShape,
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SelectRandomPrimaryColor,
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ResetColors,
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SwapColors,
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);
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list.extend(self.tool_state.tool_data.active_tool().actions());
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list
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}
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}
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