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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112const std = @import("std");const Allocator = std.mem.Allocator;const ArenaAllocator = std.heap.ArenaAllocator;const configpkg = @import("../config.zig");const font = @import("../font/main.zig");const renderer = @import("../renderer.zig");const terminal = @import("../terminal/main.zig");
/// The messages that can be sent to a renderer thread.pub const Message = union(enum) { /// Purposely crash the renderer. This is used for testing and debugging. /// See the "crash" binding action. crash,
/// A change in state in the window focus that this renderer is /// rendering within. This is only sent when a change is detected so /// the renderer is expected to handle all of these. focus: bool,
/// A change in the view occlusion state. This can be used to determine /// if the window is visible or not. A window can be not visible (occluded) /// and still have focus. visible: bool,
/// Reset the cursor blink by immediately showing the cursor then /// restarting the timer. reset_cursor_blink,
/// Change the font grid. This can happen for any number of reasons /// including a font size change, family change, etc. font_grid: struct { grid: *font.SharedGrid, set: *font.SharedGridSet,
// The key for the new grid. If adopting the new grid fails for any // reason, the old grid should be kept but the new key should be // dereferenced. new_key: font.SharedGridSet.Key,
// After accepting the new grid, the old grid must be dereferenced // using the fields below. old_key: font.SharedGridSet.Key, },
/// Changes the size. The screen size might change, padding, grid, etc. resize: renderer.Size,
/// The derived configuration to update the renderer with. change_config: struct { alloc: Allocator, thread: *renderer.Thread.DerivedConfig, impl: *renderer.Renderer.DerivedConfig, },
/// Matches for the current viewport from the search thread. These happen /// async so they may be off for a frame or two from the actually rendered /// viewport. The renderer must handle this gracefully. search_viewport_matches: SearchMatches,
/// The selected match from the search thread. May be null to indicate /// no match currently. search_selected_match: ?SearchMatch,
/// Activate or deactivate the inspector. inspector: bool,
/// The macOS display ID has changed for the window. macos_display_id: u32,
pub const SearchMatches = struct { arena: ArenaAllocator, matches: []const terminal.highlight.Flattened, };
pub const SearchMatch = struct { arena: ArenaAllocator, match: terminal.highlight.Flattened, };
/// Initialize a change_config message. pub fn initChangeConfig(alloc: Allocator, config: *const configpkg.Config) !Message { const thread_ptr = try alloc.create(renderer.Thread.DerivedConfig); errdefer alloc.destroy(thread_ptr); const config_ptr = try alloc.create(renderer.Renderer.DerivedConfig); errdefer alloc.destroy(config_ptr);
thread_ptr.* = renderer.Thread.DerivedConfig.init(config); config_ptr.* = try renderer.Renderer.DerivedConfig.init(alloc, config); errdefer config_ptr.deinit();
return .{ .change_config = .{ .alloc = alloc, .thread = thread_ptr, .impl = config_ptr, }, }; }
pub fn deinit(self: *const Message) void { switch (self.*) { .change_config => |v| { v.impl.deinit(); v.alloc.destroy(v.impl); v.alloc.destroy(v.thread); },
else => {}, } }};