╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ thread.zig ───────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 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🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭4d194175..╮ 4d194175.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (722) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. ╭─────────────────────────────────╮ │thread.zig │ ╰─────────────────────────────────╯
1884 const route = (if (selected and data.description_page) 1885 ui.RoutablePage.repoThreadDescriptionRoute(kind, data.identity, id) 1886 else if (selected) 1887 if (data.comment_page) |page| 1888 ui.RoutablePage.repoThreadCommentRoute(kind, data.identity, id, &page.selected.id, page.replies.start) 1889 else 1890 ui.RoutablePage.repoThreadCommentsRoute(kind, data.identity, id, data.comments_start) 1891 else 1892 ui.RoutablePage.repoThreadCommentsRoute(kind, data.identity, id, 0)) orelse return error.RouteTooLong; 1893 return page_arena.allocator().print("ai:{s}", .{try route.toUrl(page_arena)}); 1894 } 1895 1896 fn windowLink(page_arena: *std.heap.ArenaAllocator, data: *const Self, status_maybe: ?Status, drafts: bool, id: []const u8) ![]const u8 { 1897 if (supports_conflicts and status_maybe == null and !drafts) { 1898 const route = conflictsRoute(data.identity, id) orelse return error.RouteTooLong; 1899 return page_arena.allocator().print("a:{s}", .{try route.toUrl(page_arena)}); 1900 } 1901 if (drafts and id.len == 0) { 1902 const route = draftsRoute(data.identity) orelse return error.RouteTooLong; 1903 return page_arena.allocator().print("a:{s}", .{try route.toUrl(page_arena)}); 1904 } 1905 return listLink(page_arena, data.identity, status_maybe orelse @fromBackingInt(@intCast(0)), id, data.search orelse ""); 1906 } 1907 1908 pub fn init(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session) !This { 1909 var outer = try wgt.Box(Widget).init(allocator, .{ .border = null, .direction = .vert }); 1910 errdefer outer.deinit(allocator); 1911 1912 // the tabs at the top. 1913 { 1914 var hdr = try Data.initHeader(allocator, session, data); 1915 errdefer hdr.deinit(allocator); 1916 try outer.children.put(allocator, hdr.getFocus().id, .{ .widget = @unionInit(Widget, Data.header_widget_name, hdr), .rect = null, .min_size = null }); 1917 } 1918 1919 // the stack enters `outer` before its children enter it, so an error 1920 // frees each child exactly once. 1921 { 1922 var stack = try wgt.Stack(Widget).init(allocator); 1923 errdefer stack.deinit(allocator); 1924 try outer.children.put(allocator, stack.getFocus().id, .{ .widget = .{ .stack = stack }, .rect = null, .min_size = null }); 1925 } 1926 const stack = &outer.children.values()[stack_index].widget.stack; 1927 1928 inline for (@typeInfo(Status).@"enum".field_values) |value| { 1929 var split = try initSplit(allocator, session, data, @fromBackingInt(@intCast(value)), false); 1930 errdefer split.deinit(allocator); 1931 try stack.children.put(allocator, split.getFocus().id, split); 1932 } 1933 1934 // the labels view, or the empty message without labels 1935 if (labelsEmpty(data)) { 1936 var center = try widget.initEmpty(allocator); 1937 errdefer center.deinit(allocator); 1938 try stack.children.put(allocator, center.getFocus().id, .{ .center = center }); 1939 } else { 1940 var tf = try WordFlow.init(allocator); 1941 errdefer tf.deinit(allocator); 1942 var items: std.ArrayList(WordFlow.Item) = .empty; 1943 defer items.deinit(allocator); 1944 for (data.labels) |label| { 1945 const search = try srch_thrd.withFilter(session.page_arena.allocator(), data.search orelse "", srch_thrd.label_prefix, label); 1946 try items.append(allocator, .{ .text = label, .link = try listLink(session.page_arena, data.identity, @fromBackingInt(@intCast(0)), "", search) }); 1947 } 1948 try tf.setItems(allocator, items.items); 1949 try stack.children.put(allocator, tf.getFocus().id, .{ .word_flow = tf }); 1950 } 1951 1952 // the new-thread form, or — on an edit, comment, or resolve url — that form in 1953 // its place, prefilled with the selected thread's content. a viewer 1954 // who can't write in this tab gets the unauthorized view instead, 1955 // while local mode always writes. 1956 if (session.data.host_kind == .local or data.viewer != null) { 1957 if (confirmation(data.view)) |confirmation_kind| { 1958 const aa = session.page_arena.allocator(); 1959 const route = switch (confirmation_kind) { 1960 .remove => ui.RoutablePage.repoThreadRemoveRoute(kind, data.identity, data.selected_id, data.comment_id), 1961 .publish => publishRoute(data.identity, data.selected_id), 1962 .merge => mergeRoute(data.identity, data.selected_id), 1963 } orelse return error.RouteTooLong; 1964 const page_url = try route.toUrl(session.page_arena); 1965 const action = try aa.print("form:{s}", .{page_url}); 1966 const event_name = if (data.comment_id.len == 0) thread_name else "comment"; 1967 var label_buf: ["remove ".len + @max(thread_name.len, "comment".len)]u8 = undefined; 1968 var buttons: [2]widget.ConfirmationButton = undefined; 1969 buttons[0] = .{ .label = switch (confirmation_kind) { 1970 .remove => try std.fmt.bufPrint(&label_buf, "remove {s}", .{event_name}), 1971 .publish => "publish patch", 1972 .merge => "merge patch", 1973 } }; 1974 var button_count: usize = 1; 1975 if (confirmation_kind == .merge) { 1976 if (comptime supports_merge) { 1977 const availability = if (data.selectedThread()) |entry| 1978 if (Data.canMerge(entry.*, session)) entry.mergeability else pch.Mergeability{} 1979 else 1980 pch.Mergeability{}; 1981 buttons[0].bottom_label = mergeBottomLabel(availability.source); 1982 if (availability.source != .clean) buttons[0].action = ""; 1983 buttons[1] = .{ 1984 .label = "squash and merge patch", 1985 .bottom_label = mergeBottomLabel(availability.squash), 1986 .action = if (availability.squash == .clean) try aa.print("{s}{s}/squash", .{ ui.submit_action_prefix, page_url }) else "", 1987 }; 1988 button_count += 1; 1989 } else unreachable; 1990 } 1991 var center = try widget.initConfirmationForm(allocator, action, buttons[0..button_count]); 1992 errdefer center.deinit(allocator); 1993 try stack.children.put(allocator, center.getFocus().id, .{ .center = center }); 1994 } else if (data.view == .new_comment or data.view == .edit_comment) { 1995 const editing = data.view == .edit_comment; 1996 const route = if (editing) 1997 ui.RoutablePage.repoThreadCommentEditRoute(kind, data.identity, data.selected_id, data.comment_id) orelse return error.RouteTooLong 1998 else 1999 ui.RoutablePage.repoThreadCommentNewRoute(kind, data.identity, data.selected_id, data.comment_id) orelse return error.RouteTooLong; 2000 const page_url = try route.toUrl(session.page_arena); 2001 const action = try session.page_arena.allocator().print("form:{s}", .{page_url}); 2002 const page = data.comment_page; 2003 const top_level = if (page) |p| std.mem.eql(u8, &p.selected.comment.event.parent_id, &p.selected.comment.event.thread_id) else false; 2004 const parent_route = if (editing) 2005 if (top_level) 2006 ui.RoutablePage.repoThreadCommentsRoute(kind, data.identity, data.selected_id, 0) 2007 else if (page) |p| 2008 ui.RoutablePage.repoThreadCommentRoute(kind, data.identity, data.selected_id, &p.selected.comment.event.parent_id, 0) 2009 else 2010 null 2011 else if (page) |p| 2012 ui.RoutablePage.repoThreadCommentRoute(kind, data.identity, data.selected_id, &p.selected.id, 0) 2013 else 2014 ui.RoutablePage.repoThreadCommentsRoute(kind, data.identity, data.selected_id, 0); 2015 const parent_author: ui.Author = if (editing) 2016 if (top_level) 2017 if (data.selectedThread()) |entry| entry.author else .unknown 2018 else if (page) |p| 2019 p.selected.parent_author orelse .unknown 2020 else 2021 .unknown 2022 else if (page) |p| 2023 p.selected.author 2024 else if (data.selectedThread()) |entry| 2025 entry.author 2026 else 2027 .unknown; 2028 const initial_body: ?[]const u8 = if (editing) if (page) |p| p.selected.comment.event.body else null else null; 2029 var form = try initCommentForm(allocator, session, action, parent_author, parent_route orelse return error.RouteTooLong, initial_body); 2030 errdefer form.deinit(allocator); 2031 try stack.children.put(allocator, form.getFocus().id, .{ .box = form }); 2032 } else if (supports_conflicts and data.view == .resolve) { 2033 // on the web the page grows to the form's height and the 2034 // browser scrolls it; the terminal scrolls the form itself 2035 var form_widget: Widget = blk: { 2036 var form = try initResolveForm(allocator, session, data); 2037 errdefer form.deinit(allocator); 2038 break :blk if (session.is_terminal) 2039 .{ .scroll = try wgt.Scroll(Widget).init(allocator, .{ .box = form }, .{ .direction = .vert }) } 2040 else 2041 .{ .box = form }; 2042 }; 2043 errdefer form_widget.deinit(allocator); 2044 try stack.children.put(allocator, form_widget.getFocus().id, form_widget); 2045 } else { 2046 const aa = session.page_arena.allocator(); 2047 const route = if (data.view == .edit) 2048 ui.RoutablePage.repoThreadEditRoute(kind, data.identity, data.selected_id) orelse return error.RouteTooLong 2049 else 2050 ui.RoutablePage.repoThreadNewRoute(kind, data.identity) orelse return error.RouteTooLong; 2051 const action = try aa.print("form:{s}", .{try route.toUrl(session.page_arena)}); 2052 const record = if (data.view == .edit) 2053 (if (data.selectedThread()) |entry| &entry.record else null) 2054 else 2055 null; 2056 var form = try initThreadForm(allocator, session, data, action, record); 2057 errdefer form.deinit(allocator); 2058 try stack.children.put(allocator, form.getFocus().id, .{ .box = form }); 2059 } 2060 } else { 2061 var message = try ui.Unauthorized.View.init(allocator); 2062 errdefer message.deinit(allocator); 2063 try stack.children.put(allocator, message.getFocus().id, .{ .unauthorized = message }); 2064 } 2065 2066 if (supports_drafts) { 2067 var split = try initSplit(allocator, session, data, null, true); 2068 errdefer split.deinit(allocator); 2069 try stack.children.put(allocator, split.getFocus().id, split); 2070 } 2071 2072 // the conflicts split; its tab exists only when the repo has 2073 // conflicts, so skip the child too to keep the stack 1:1 with the 2074 // tabs. 2075 if (supports_conflicts and data.conflicts.count > 0) { 2076 var split = try initSplit(allocator, session, data, null, false); 2077 errdefer split.deinit(allocator); 2078 try stack.children.put(allocator, split.getFocus().id, split); 2079 } 2080 2081 // the stack starts on the page's view. 2082 stack.getFocus().child_id = stack.children.keys()[viewIndex(data.view)]; 2083 2084 // focus entering the view lands on the tabs first. 2085 outer.getFocus().child_id = outer.children.keys()[header_index]; 2086 2087 return .{ 2088 .box = outer, 2089 .data = data, 2090 .session = session, 2091 }; 2092 } 2093 2094 // the master-detail split showing `status`'s window, or the conflicts 2095 // window when null. an empty first window shows the empty message instead. 2096 fn initSplit(allocator: std.mem.Allocator, session: *ui.Session, data: *const Self, status_maybe: ?Status, drafts: bool) !Widget { 2097 const win = if (status_maybe) |status| data.window(status) else if (drafts and supports_drafts) &data.drafts else if (supports_conflicts) &data.conflicts else unreachable; 2098 if (windowEmpty(win)) return .{ .center = try widget.initEmpty(allocator) }; 2099 2100 var box = try wgt.Box(Widget).init(allocator, .{ .border = null, .direction = .horiz }); 2101 errdefer box.deinit(allocator); 2102 2103 // the thread list (one focusable row per title), plus a "next" link that 2104 // reloads the page rooted at the following thread. 2105 { 2106 var list_scroll = blk: { 2107 var list_box = try wgt.Box(Widget).init(allocator, .{ .border = null, .direction = .vert, .stretch = true }); 2108 errdefer list_box.deinit(allocator); 2109 if (win.prev_id) |prev| 2110 try addRow(allocator, &list_box, "← previous", "", try windowLink(session.page_arena, data, status_maybe, drafts, prev)); 2111 for (win.items) |entry| { 2112 const label: []const u8 = if (entry.comments.count > 0) 2113 try session.page_arena.allocator().print(" {d} comments ", .{entry.comments.count}) 2114 else 2115 ""; 2116 try addRow(allocator, &list_box, entry.record.event.title, label, try rowLink(session.page_arena, data, entry.id)); 2117 } 2118 if (win.next_id) |next| 2119 try addRow(allocator, &list_box, "next →", "", try windowLink(session.page_arena, data, status_maybe, drafts, next)); 2120 // select the window's first thread (past a leading "previous" 2121 // row) so its description shows on load. 2122 if (win.items.len > 0) 2123 list_box.getFocus().child_id = list_box.children.keys()[if (win.prev_id != null) 1 else 0] 2124 else if (list_box.children.count() > 0) 2125 list_box.getFocus().child_id = list_box.children.keys()[0]; 2126 break :blk try wgt.Scroll(Widget).init(allocator, .{ .box = list_box }, .{ .direction = .vert, .web_native = !session.is_terminal }); 2127 }; 2128 errdefer list_scroll.deinit(allocator); 2129 try box.children.put(allocator, list_scroll.getFocus().id, .{ .widget = .{ .scroll = list_scroll }, .rect = null, .min_size = .{ .width = list_max_width, .height = null }, .max_size = .{ .width = list_max_width, .height = null } }); 2130 } 2131 2132 // frame the detail pane inside the master-detail split, below the 2133 // way back to the list, shown only while the list is hidden 2134 { 2135 var frame = try wgt.Box(Widget).init(allocator, .{ .border = .hidden, .direction = .vert }); 2136 errdefer frame.deinit(allocator); 2137 frame.getFocus().mode = .mouse; 2138 try widget.addListBack(allocator, &frame, "← back to " ++ thread_name ++ " list"); 2139 var detail_view = try DetailType.init(allocator, data, session, null, .{}); 2140 errdefer detail_view.deinit(allocator); 2141 frame.getFocus().child_id = detail_view.getFocus().id; 2142 try frame.children.put(allocator, detail_view.getFocus().id, .{ .widget = @unionInit(Widget, Data.detail_widget_name, detail_view), .rect = null, .min_size = null }); 2143 try box.children.put(allocator, frame.getFocus().id, .{ .widget = .{ .box = frame }, .rect = null, .min_size = .{ .width = detail_min_width, .height = null } }); 2144 } 2145 2146 // the page opens on the list, unless the url names a thread 2147 box.getFocus().child_id = box.children.keys()[if (data.selected_id.len > 0) detail_index else list_index]; 2148 return .{ .box = box }; 2149 } 2150 2151 // a thread form, plus the target branch for patches, prefilled from 2152 // `record` when given. its form: subtree makes the web renderer POST 2153 // the inputs to `action`'s route. 2154 fn initThreadForm(allocator: std.mem.Allocator, session: *ui.Session, data: *const Self, action: []const u8, record: ?*const Event.Record) !wgt.Box(Widget) { 2155 var box = try wgt.Box(Widget).init(allocator, .{ .border = null, .direction = .vert }); 2156 errdefer box.deinit(allocator); 2157 box.getFocus().kind = .{ .custom = action }; 2158 2159 const saved_form = session.formFeedback(feedback_tag); 2160 const saved_fields = if (saved_form) |saved| saved.fields else null; 2161 2162 { 2163 var title = try wgt.TextInput.init(allocator, .{ .top_label = .{ .text = " title " }, .name = "title", .visible_width = null, .round_corners = true, .render_content = session.is_terminal }); 2164 errdefer title.deinit(allocator); 2165 title.getFocus().mode = .all; 2166 if (saved_fields) |saved| 2167 try title.setContent(allocator, saved.title) 2168 else if (record) |r| 2169 try title.setContent(allocator, r.event.title); 2170 try box.children.put(allocator, title.getFocus().id, .{ .widget = .{ .text_input = title }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 2171 box.getFocus().child_id = title.getFocus().id; 2172 } 2173 2174 { 2175 var labels = try wgt.TextInput.init(allocator, .{ .top_label = .{ .text = " labels (separate with spaces) " }, .name = "labels", .visible_width = null, .round_corners = true, .render_content = session.is_terminal }); 2176 errdefer labels.deinit(allocator); 2177 labels.getFocus().mode = .all; 2178 if (saved_fields) |saved| 2179 try labels.setContent(allocator, saved.labels) 2180 else if (record) |r| 2181 try labels.setContent(allocator, r.event.labels); 2182 try box.children.put(allocator, labels.getFocus().id, .{ .widget = .{ .text_input = labels }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 2183 } 2184 2185 { 2186 var description = try wgt.TextInput.init(allocator, .{ .top_label = .{ .text = " description (markdown supported) " }, .name = "description", .visible_width = null, .round_corners = true, .render_content = session.is_terminal, .multiline = true, .scroll = .{ .fill = true } }); 2187 errdefer description.deinit(allocator); 2188 description.getFocus().mode = .all; 2189 if (saved_fields) |saved| 2190 try description.setContent(allocator, saved.description) 2191 else if (record) |r| 2192 try description.setContent(allocator, r.event.description); 2193 try box.children.put(allocator, description.getFocus().id, .{ .widget = .{ .text_input = description }, .rect = null, .min_size = null }); 2194 } 2195 2196 if (supports_drafts and record == null) { 2197 var source = try Data.Source.init(allocator, session, if (saved_fields) |saved| saved.source_branch else "", if (saved_fields) |saved| saved.source_kind else .fork); 2198 errdefer source.deinit(allocator); 2199 try box.children.put(allocator, source.getFocus().id, .{ .widget = .{ .patch_source = source }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 2200 } 2201 2202 if (supports_drafts) { 2203 var target = try wgt.TextInput.init(allocator, .{ .top_label = .{ .text = " target branch " }, .name = "target_branch", .visible_width = null, .round_corners = true, .render_content = session.is_terminal }); 2204 errdefer target.deinit(allocator); 2205 target.getFocus().mode = .all; 2206 const content = if (saved_fields) |saved| saved.target_branch else if (record) |r| r.event.target_branch else data.default_target_branch; 2207 try target.setContent(allocator, content); 2208 try box.children.put(allocator, target.getFocus().id, .{ .widget = .{ .text_input = target }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 2209 } 2210 2211 try addSubmitButtonLabeled(allocator, &box, if (supports_drafts and record == null) "submit draft" else "submit"); 2212 2213 return box; 2214 } 2215 2216 fn initCommentForm(allocator: std.mem.Allocator, session: *ui.Session, action: []const u8, author: ui.Author, parent_route: ui.RoutablePage, initial_body: ?[]const u8) !wgt.Box(Widget) { 2217 var box = try wgt.Box(Widget).init(allocator, .{ .border = null, .direction = .vert }); 2218 errdefer box.deinit(allocator); 2219 box.getFocus().kind = .{ .custom = action }; 2220 2221 { 2222 var parent = try ui.authorBox(allocator, session.page_arena, author); 2223 errdefer parent.deinit(allocator); 2224 parent.options.top_label.text = " replying to "; 2225 parent.getFocus().kind = .{ .custom = try session.page_arena.allocator().print("a:{s}", .{try parent_route.toUrl(session.page_arena)}) }; 2226 try box.children.put(allocator, parent.getFocus().id, .{ .widget = .{ .text_box = parent }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 2227 box.getFocus().child_id = parent.getFocus().id; 2228 } 2229 2230 { 2231 var body = try wgt.TextInput.init(allocator, .{ 2232 .top_label = .{ .text = " comment (markdown supported) " }, 2233 .name = "body", 2234 .visible_width = null, 2235 .round_corners = true, 2236 .render_content = session.is_terminal, 2237 .multiline = true, 2238 .visible_height = 5, 2239 .scroll = .{ .fill = true }, 2240 }); 2241 errdefer body.deinit(allocator); 2242 body.getFocus().mode = .all; 2243 if (initial_body) |text| try body.setContent(allocator, text); 2244 try box.children.put(allocator, body.getFocus().id, .{ .widget = .{ .text_input = body }, .rect = null, .min_size = null }); 2245 } 2246 2247 try addSubmitButtonLabeled(allocator, &box, "submit"); 2248 return box; 2249 } 2250 2251 // a form's submit button, then a spacer absorbing the leftover 2252 // min-height the box hands its last child, so the button keeps its 2253 // natural height 2254 fn addSubmitButtonLabeled(allocator: std.mem.Allocator, box: *wgt.Box(Widget), label: []const u8) !void { 2255 { 2256 var submit = try SubmitButton.initLabeled(allocator, label); 2257 errdefer submit.deinit(allocator); 2258 try box.children.put(allocator, submit.getFocus().id, .{ .widget = .{ .submit_button = submit }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 2259 } 2260 { 2261 var spacer = try Spacer.init(allocator); 2262 errdefer spacer.deinit(allocator); 2263 try box.children.put(allocator, spacer.getFocus().id, .{ .widget = .{ .spacer = spacer }, .rect = null, .min_size = null }); 2264 } 2265 } 2266 2267 // the conflict resolve form. the "use this" links are navigations that 2268 // flip the url's theirs: pick, reloading the prefills; one submit 2269 // settles every conflict. the form: subtree makes the web renderer POST 2270 // to the resolve route. 2271 fn initResolveForm(allocator: std.mem.Allocator, session: *ui.Session, data: *const Self) !wgt.Box(Widget) { 2272 const aa = session.page_arena.allocator(); 2273 // init only picks the resolve view once it has read the conflict 2274 const conflict = if (data.conflict) |*c| c else unreachable; 2275 2276 var box = try wgt.Box(Widget).init(allocator, .{ .border = null, .direction = .vert }); 2277 errdefer box.deinit(allocator); 2278 const route = resolveRoute(data.identity, data.selected_id, data.theirs_picks) orelse return error.RouteTooLong; 2279 box.getFocus().kind = .{ .custom = try aa.print("form:{s}", .{try route.toUrl(session.page_arena)}) }; 2280 2281 if (conflict.title) |*fc| { 2282 try addLabel(allocator, &box, "title conflict:"); 2283 try addFieldConflict(allocator, &box, session, data, "title", fc); 2284 } 2285 if (conflict.labels) |*fc| { 2286 try addLabel(allocator, &box, "labels conflict:"); 2287 try addFieldConflict(allocator, &box, session, data, "labels", fc); 2288 } 2289 if (comptime @hasField(Data.Conflict, "status")) { 2290 if (conflict.status) |*fc| { 2291 try addLabel(allocator, &box, "status conflict:"); 2292 try addAtomicConflict(allocator, &box, session, data, "status", fc); 2293 } 2294 } 2295 if (comptime @hasField(Data.Conflict, "revision")) { 2296 if (conflict.revision) |*fc| { 2297 try addLabel(allocator, &box, "revision conflict:"); 2298 try addAtomicConflict(allocator, &box, session, data, "revision", fc); 2299 } 2300 if (conflict.target_branch) |*fc| { 2301 try addLabel(allocator, &box, "target branch conflict:"); 2302 try addAtomicConflict(allocator, &box, session, data, "target_branch", fc); 2303 } 2304 } 2305 2306 if (conflict.description) |*desc| { 2307 try addLabel(allocator, &box, "description conflict:"); 2308 var hunk_index: usize = 0; 2309 for (desc.chunks, 0..) |*chunk, chunk_index| { 2310 switch (chunk.*) { 2311 .same => |text| { 2312 var tb = try wgt.TextBox.init(allocator, text, .{ .border = .single, .round_corners = true, .wrap_kind = .word }); 2313 errdefer tb.deinit(allocator); 2314 tb.getFocus().mode = .all; 2315 try box.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 2316 }, 2317 // an auto-resolved chunk: only one side changed it, so its 2318 // version stands, shown distinctly with its author 2319 .auto => |auto| { 2320 const author = if (auto.theirs) desc.theirs_author else desc.ours_author; 2321 const verb: []const u8 = if (auto.text == null) "removed" else "edited"; 2322 const label = switch (author) { 2323 .user_name, .email => |name| try aa.print(" {s} by {s} ", .{ verb, name }), 2324 .unknown => try aa.print(" {s} by {s} ", .{ verb, if (auto.theirs) @as([]const u8, "them") else "us" }), 2325 }; 2326 var tb = try wgt.TextBox.init(allocator, auto.text orelse "(removed)", .{ .border = .single, .round_corners = true, .wrap_kind = .word, .top_label = .{ .text = label } }); 2327 errdefer tb.deinit(allocator); 2328 tb.getFocus().mode = .all; 2329 try box.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 2330 }, 2331 .conflict => |hunk| { 2332 // a blank row on each side sets the group apart from 2333 // the flowing shared and auto-resolved chunks 2334 if (chunk_index > 0) try addGap(allocator, &box); 2335 const name = try aa.print("d{d}", .{hunk_index}); 2336 hunk_index += 1; 2337 const picked_theirs = data.theirsPicked(name); 2338 try addVersionRow(allocator, &box, try sideLabel(aa, desc.ours_author, true), hunk.ours orelse "", try useThisLink(session, data, name, false)); 2339 try addVersionRow(allocator, &box, try sideLabel(aa, desc.theirs_author, false), hunk.theirs orelse "", try useThisLink(session, data, name, true)); 2340 var resolution_input = try wgt.TextInput.init(allocator, .{ .top_label = .{ .text = " resolution " }, .name = name, .visible_width = null, .round_corners = true, .render_content = session.is_terminal, .multiline = true }); 2341 errdefer resolution_input.deinit(allocator); 2342 resolution_input.getFocus().mode = .all; 2343 try resolution_input.setContent(allocator, (if (picked_theirs) hunk.theirs else hunk.ours) orelse ""); 2344 try box.children.put(allocator, resolution_input.getFocus().id, .{ .widget = .{ .text_input = resolution_input }, .rect = null, .min_size = null }); 2345 if (chunk_index + 1 < desc.chunks.len) try addGap(allocator, &box); 2346 }, 2347 } 2348 } 2349 } 2350 2351 try addSubmitButtonLabeled(allocator, &box, "submit"); 2352 2353 box.getFocus().child_id = box.children.keys()[0]; 2354 return box; 2355 } 2356 2357 // one conflicted scalar field: both sides' version rows, then the 2358 // resolution input prefilled from the picked side. 2359 fn addFieldConflict(allocator: std.mem.Allocator, box: *wgt.Box(Widget), session: *ui.Session, data: *const Self, comptime name: []const u8, fc: *const FieldConflict) !void { 2360 const aa = session.page_arena.allocator(); 2361 try addVersionRow(allocator, box, try sideLabel(aa, fc.ours.author, true), fc.ours.text, try useThisLink(session, data, name, false)); 2362 try addVersionRow(allocator, box, try sideLabel(aa, fc.theirs.author, false), fc.theirs.text, try useThisLink(session, data, name, true)); 2363 2364 var resolution_input = try wgt.TextInput.init(allocator, .{ .top_label = .{ .text = " resolution " }, .name = name, .visible_width = null, .round_corners = true, .render_content = session.is_terminal }); 2365 errdefer resolution_input.deinit(allocator); 2366 resolution_input.getFocus().mode = .all; 2367 try resolution_input.setContent(allocator, if (data.theirsPicked(name)) fc.theirs.text else fc.ours.text); 2368 try box.children.put(allocator, resolution_input.getFocus().id, .{ .widget = .{ .text_input = resolution_input }, .rect = null, .min_size = null }); 2369 } 2370 2371 // atomic fields can only pick one complete side 2372 fn addAtomicConflict(allocator: std.mem.Allocator, box: *wgt.Box(Widget), session: *ui.Session, data: *const Self, comptime name: []const u8, fc: *const FieldConflict) !void { 2373 const aa = session.page_arena.allocator(); 2374 try addVersionRow(allocator, box, try sideLabel(aa, fc.ours.author, true), fc.ours.text, try useThisLink(session, data, name, false)); 2375 try addVersionRow(allocator, box, try sideLabel(aa, fc.theirs.author, false), fc.theirs.text, try useThisLink(session, data, name, true)); 2376 var selected = try wgt.TextBox.init(allocator, if (data.theirsPicked(name)) fc.theirs.text else fc.ours.text, .{ 2377 .border = .single, 2378 .round_corners = true, 2379 .wrap_kind = .word, 2380 .top_label = .{ .text = " resolution " }, 2381 }); 2382 errdefer selected.deinit(allocator); 2383 selected.getFocus().mode = .all; 2384 try box.children.put(allocator, selected.getFocus().id, .{ .widget = .{ .text_box = selected }, .rect = null, .min_size = null }); 2385 } 2386 2387 // a blank row setting a conflict group apart from its neighbors 2388 fn addGap(allocator: std.mem.Allocator, box: *wgt.Box(Widget)) !void { 2389 var text = try wgt.Text.init(allocator, " "); 2390 errdefer text.deinit(allocator); 2391 try box.children.put(allocator, text.getFocus().id, .{ .widget = .{ .text = text }, .rect = null, .min_size = null }); 2392 } 2393 2394 fn addLabel(allocator: std.mem.Allocator, box: *wgt.Box(Widget), content: []const u8) !void { 2395 var label = try SectionLabel.init(allocator, content); 2396 errdefer label.deinit(allocator); 2397 try box.children.put(allocator, label.getFocus().id, .{ .widget = .{ .section_label = label }, .rect = null, .min_size = null }); 2398 } 2399 2400 // one side of a conflict: the "use this" link on the left, the version 2401 // itself as a labeled read-only box. 2402 fn addVersionRow(allocator: std.mem.Allocator, box: *wgt.Box(Widget), label: []const u8, text: []const u8, link: []const u8) !void { 2403 var row = try wgt.Box(Widget).init(allocator, .{ .border = null, .direction = .horiz }); 2404 errdefer row.deinit(allocator); 2405 2406 { 2407 const use_label = "use this"; 2408 var use = try wgt.TextBox.init(allocator, use_label, .{ .border = .single, .round_corners = true, .wrap_kind = .none }); 2409 errdefer use.deinit(allocator); 2410 use.getFocus().mode = .all; 2411 use.getFocus().kind = .{ .custom = link }; 2412 try row.children.put(allocator, use.getFocus().id, .{ 2413 .widget = .{ .text_box = use }, 2414 .rect = null, 2415 .min_size = .{ .width = use_label.len + 2, .height = null }, 2416 .max_size = .{ .width = use_label.len + 2, .height = null }, 2417 }); 2418 } 2419 2420 { 2421 var tb = try wgt.TextBox.init(allocator, if (text.len > 0) text else "(removed)", .{ .border = .single, .round_corners = true, .wrap_kind = .word, .top_label = .{ .text = label } }); 2422 errdefer tb.deinit(allocator); 2423 tb.getFocus().mode = .all; 2424 try row.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 2425 } 2426 2427 row.getFocus().child_id = row.children.keys()[0]; 2428 try box.children.put(allocator, row.getFocus().id, .{ .widget = .{ .box = row }, .rect = null, .min_size = null }); 2429 } 2430 2431 // the label of one side's version box, naming its author 2432 fn sideLabel(aa: std.mem.Allocator, author: ui.Author, ours: bool) ![]const u8 { 2433 return switch (author) { 2434 .user_name, .email => |name| try aa.print(" edited by {s} ", .{name}), 2435 .unknown => if (ours) " current version " else " their version ", 2436 }; 2437 } 2438 2439 // the a: link that reloads the resolve page with `name` picked from ours 2440 // or theirs, reprefilling its resolution input 2441 fn useThisLink(session: *ui.Session, data: *const Self, name: []const u8, theirs: bool) ![]const u8 { 2442 const aa = session.page_arena.allocator(); 2443 var picks: std.ArrayList(u8) = .empty; 2444 var it = std.mem.splitScalar(u8, data.theirs_picks, ','); 2445 while (it.next()) |pick| { 2446 if (pick.len == 0 or std.mem.eql(u8, pick, name)) continue; 2447 if (picks.items.len > 0) try picks.append(aa, ','); 2448 try picks.appendSlice(aa, pick); 2449 } 2450 if (theirs) { 2451 if (picks.items.len > 0) try picks.append(aa, ','); 2452 try picks.appendSlice(aa, name); 2453 } 2454 const route = resolveRoute(data.identity, data.selected_id, picks.items) orelse return error.RouteTooLong; 2455 return aa.print("a:{s}", .{try route.toUrl(session.page_arena)}); 2456 } 2457 2458 fn addRow(allocator: std.mem.Allocator, box: *wgt.Box(Widget), text: []const u8, bottom_label: []const u8, link: []const u8) !void { 2459 var row = try wgt.TextBox.init(allocator, text, .{ .border = .hidden, .round_corners = true, .wrap_kind = .word, .bottom_label = .{ .text = bottom_label } }); 2460 errdefer row.deinit(allocator); 2461 row.getFocus().mode = .all; 2462 if (link.len != 0) row.getFocus().kind = .{ .custom = link }; 2463 try box.children.put(allocator, row.getFocus().id, .{ .widget = .{ .text_box = row }, .rect = null, .min_size = null, .max_size = .{ .width = null, .height = 5 } }); 2464 } 2465 2466 pub fn deinit(self: *This, allocator: std.mem.Allocator) void { 2467 self.box.deinit(allocator); 2468 } 2469 2470 fn header(self: *This) *HeaderType { 2471 return &@field(self.box.children.values()[header_index].widget, Data.header_widget_name); 2472 } 2473 2474 fn viewStack(self: *This) *wgt.Stack(Widget) { 2475 return &self.box.children.values()[stack_index].widget.stack; 2476 } 2477 2478 // `index`'s master-detail split inside the stack. 2479 fn resultsBox(self: *This, index: usize) *wgt.Box(Widget) { 2480 return &self.viewStack().children.values()[index].box; 2481 } 2482 2483 // the labels view's flow inside the stack. 2484 fn labelsView(self: *This) *WordFlow { 2485 return &self.viewStack().children.values()[labels_view_index].word_flow; 2486 } 2487 2488 // no labels, which shows the empty message 2489 fn labelsEmpty(data: *const Self) bool { 2490 return data.labels.len == 0; 2491 } 2492 2493 // the non-confirmation form inside the stack 2494 fn formBox(self: *This) ?*wgt.Box(Widget) { 2495 return switch (self.viewStack().children.values()[form_view_index]) { 2496 .box => |*box| box, 2497 // the resolve form sits inside a scroll on the terminal 2498 .scroll => |*scroll| &scroll.child.box, 2499 else => null, 2500 }; 2501 } 2502 2503 fn threadForm(self: *This) ?*wgt.Box(Widget) { 2504 if (supports_conflicts and self.data.view == .resolve) return null; 2505 return switch (self.data.view) { 2506 .new_comment, .edit_comment => null, 2507 else => self.formBox(), 2508 }; 2509 } 2510 2511 fn formField(form: *wgt.Box(Widget), name: []const u8) !*wgt.TextInput { 2512 for (form.children.values()) |*child| switch (child.widget) { 2513 .text_input => |*text_input| if (std.mem.eql(u8, text_input.options.name, name)) return text_input, 2514 else => {}, 2515 }; 2516 return error.MissingFormField; 2517 } 2518 2519 fn formWidget(form: *wgt.Box(Widget), comptime widget_kind: std.meta.Tag(Widget)) ?*@FieldType(Widget, @tagName(widget_kind)) { 2520 for (form.children.values()) |*child| { 2521 if (child.widget == widget_kind) return &@field(child.widget, @tagName(widget_kind)); 2522 } 2523 return null; 2524 } 2525 2526 fn confirmationForm(self: *This) ?*wgt.Box(Widget) { 2527 return switch (self.viewStack().children.values()[form_view_index]) { 2528 .center => |*center| switch (center.child.*) { 2529 .box => |*box| box, 2530 else => null, 2531 }, 2532 else => null, 2533 }; 2534 } 2535 2536 // the resolve form's scroll on the terminal (the web page scrolls itself) 2537 fn resolveScroll(self: *This) ?*wgt.Scroll(Widget) { 2538 return switch (self.viewStack().children.values()[form_view_index]) { 2539 .scroll => |*scroll| scroll, 2540 else => null, 2541 }; 2542 } 2543 2544 fn listScroll(self: *This, index: usize) *wgt.Scroll(Widget) { 2545 return &self.resultsBox(index).children.values()[list_index].widget.scroll; 2546 } 2547 2548 fn listBox(self: *This, index: usize) *wgt.Box(Widget) { 2549 return &self.listScroll(index).child.box; 2550 } 2551 2552 fn detailFrame(self: *This, index: usize) *wgt.Box(Widget) { 2553 return &self.resultsBox(index).children.values()[detail_index].widget.box; 2554 } 2555 2556 fn detail(self: *This, index: usize) *DetailType { 2557 return &@field(self.detailFrame(index).children.values()[widget.list_pane_index].widget, Data.detail_widget_name); 2558 } 2559 2560 fn window(self: *This, index: usize) *const Window { 2561 if (supports_conflicts and index == conflict_view_index) return &self.data.conflicts; 2562 if (supports_drafts and index == drafts_view_index) return &self.data.drafts; 2563 return self.data.window(splitStatus(index)); 2564 } 2565 2566 // an empty first window, which shows the empty message 2567 fn windowEmpty(win: *const Window) bool { 2568 return win.items.len == 0 and win.prev_id == null; 2569 } 2570 2571 fn stackSelectedIndex(self: *This) ?usize { 2572 const stack = self.viewStack(); 2573 const cid = stack.getFocus().child_id orelse return null; 2574 return stack.children.getIndex(cid); 2575 } 2576 2577 // the stack's selected master-detail split (null when the labels view, the 2578 // new-thread form, or the empty message shows). 2579 fn selectedSplitIndex(self: *This) ?usize { 2580 const idx = self.stackSelectedIndex() orelse return null; 2581 const split = idx < status_count or (supports_drafts and idx == drafts_view_index) or idx == conflict_view_index; 2582 return if (split and !windowEmpty(self.window(idx))) idx else null; 2583 } 2584 2585 fn detailActive(self: *This, index: usize) bool { 2586 const rb = self.resultsBox(index); 2587 const cid = rb.getFocus().child_id orelse return false; 2588 return rb.children.getIndex(cid) == detail_index; 2589 } 2590 2591 fn headerActive(self: *This) bool { 2592 const cid = self.box.getFocus().child_id orelse return false; 2593 return self.box.children.getIndex(cid) == header_index; 2594 } 2595 2596 fn labelsViewActive(self: *This) bool { 2597 if (self.headerActive()) return false; 2598 return self.stackSelectedIndex() == labels_view_index; 2599 } 2600 2601 fn formViewActive(self: *This) bool { 2602 if (self.headerActive()) return false; 2603 return self.stackSelectedIndex() == form_view_index; 2604 } 2605 2606 // the selected thread's index, or null when a window-navigation row is 2607 // selected (a leading "previous" row shifts the thread rows down by one). 2608 fn selectedThreadIndex(self: *This, index: usize) ?usize { 2609 const lb = self.listBox(index); 2610 const cid = lb.getFocus().child_id orelse return null; 2611 const idx = lb.children.getIndex(cid) orelse return null; 2612 const win = self.window(index); 2613 const lead: usize = if (win.prev_id != null) 1 else 0; 2614 if (idx < lead or idx - lead >= win.items.len) return null; 2615 return idx - lead; 2616 } 2617 2618 // swap the detail pane to the selected thread when it changes 2619 fn refreshDetail(self: *This, allocator: std.mem.Allocator, index: usize) !void { 2620 const selected = self.selectedThreadIndex(index) orelse return; 2621 const entry = self.window(index).items[selected]; 2622 const changed = if (self.detail(index).entry) |current| !std.mem.eql(u8, current.id, entry.id) else true; 2623 if (!changed) return; 2624 try self.detail(index).setEntry(allocator, entry); 2625 widget.setListBackLink(self.detailFrame(index), try rowLink(self.session.page_arena, self.data, entry.id)); 2626 } 2627 2628 pub fn build(self: *This, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 2629 self.clearGrid(); 2630 2631 // each header tab maps 1:1 to a stack child by position 2632 if (self.header().getSelectedIndex()) |index| { 2633 const stack = self.viewStack(); 2634 stack.getFocus().child_id = stack.children.keys()[index]; 2635 } 2636 2637 if (self.selectedSplitIndex()) |i| { 2638 // whether the detail pane fits beside the list, which decides 2639 // the list cap below and whether the detail carries a way back 2640 const both_panes_fit = if (constraint.max_size.width) |w| w >= list_max_width + detail_min_width else true; 2641 try self.refreshDetail(allocator, i); 2642 widget.showListBack(self.detailFrame(i), !both_panes_fit); 2643 2644 // the selected list row shows a border (the focused TextBox 2645 // upgrades it to a double border itself); the rest stay borderless. 2646 const lb = self.listBox(i); 2647 for (lb.children.keys(), lb.children.values()) |id, *child| { 2648 switch (child.widget) { 2649 .text_box => |*tb| widget.markSelected(tb, lb.getFocus().child_id == id), 2650 else => {}, 2651 } 2652 } 2653 2654 // cap the list at list_max_width only while the detail pane fits 2655 // beside it. the box drops the detail when the width can't hold 2656 // both minimums, so when it's that narrow we lift the cap and let 2657 // the list fill the whole width. 2658 self.resultsBox(i).children.values()[list_index].max_size = if (both_panes_fit) .{ .width = list_max_width, .height = null } else null; 2659 2660 // stretch the detail pane across the rest of the width so it fills 2661 // the area rather than shrinking to its content; its scroll fills 2662 // the pane. 2663 if (constraint.max_size.width) |w| { 2664 self.resultsBox(i).children.values()[detail_index].min_size = .{ .width = if (both_panes_fit) w - list_max_width else w, .height = null }; 2665 } else { 2666 self.resultsBox(i).children.values()[detail_index].min_size = .{ .width = detail_min_width, .height = null }; 2667 } 2668 } 2669 2670 // refresh the form inputs' entries in the session's focus-id -> input 2671 // map with this frame's addresses, so the web/wasm form handling can 2672 // find them by focus id 2673 if (self.threadForm()) |form| { 2674 const failure = if (self.session.formFeedback(feedback_tag)) |saved| saved.failure else null; 2675 (try formField(form, "title")).options.top_label.text = if (failure == .required_title) " title (required) " else " title "; 2676 if (comptime supports_drafts) { 2677 if (formWidget(form, .patch_source)) |source| { 2678 source.field().options.top_label.text = if (failure == .invalid_source_branch) " source branch (not found) " else if (failure == .same_branch) " source branch (same as target) " else if (failure == .unrelated_branches) " source branch (unrelated) " else " source branch "; 2679 const submit = formWidget(form, .submit_button) orelse return error.MissingFormField; 2680 try submit.setLabel(allocator, switch (source.selectedKind()) { 2681 .fork => "submit draft", 2682 .branch => "submit patch", 2683 }); 2684 } 2685 (try formField(form, "target_branch")).options.top_label.text = 2686 if (failure == .invalid_target_branch) " target branch (invalid) " else if (self.data.view == .edit and failure == .same_branch) " target branch (same as source) " else if (self.data.view == .edit and failure == .unrelated_branches) " target branch (unrelated to source) " else if (self.data.view == .edit and failure == .invalid_source_branch) " target branch (source branch not found) " else " target branch "; 2687 } 2688 } 2689 if (self.formBox()) |form| { 2690 const inputs_arena = self.session.arena.allocator(); 2691 for (form.children.values()) |*child| switch (child.widget) { 2692 .text_input => |*ti| try self.session.text_inputs.put(inputs_arena, ti.getFocus().id, ti), 2693 else => {}, 2694 }; 2695 } 2696 2697 try self.box.build(allocator, constraint, root_focus); 2698 } 2699 2700 pub fn input(self: *This, allocator: std.mem.Allocator, raw_key: Key, root_focus: *Focus) !void { 2701 // wheel input moves focus like the arrows 2702 const key: Key = switch (raw_key) { 2703 .scroll_up => .arrow_up, 2704 .scroll_down => .arrow_down, 2705 else => raw_key, 2706 }; 2707 2708 if (self.headerActive()) { 2709 // down from the sub-header re-enters the stack if the selected 2710 // view has something to focus; enter in the search box submits 2711 // the query; other keys move within the sub-header. 2712 if (inp.vertDirection(key) == .down) { 2713 const enterable = if (self.stackSelectedIndex()) |idx| 2714 if (idx == labels_view_index) 2715 !labelsEmpty(self.data) 2716 else if (idx == form_view_index) 2717 // nothing focusable in the unauthorized view 2718 self.viewStack().children.values()[idx] != .unauthorized 2719 else 2720 !windowEmpty(self.window(idx)) 2721 else 2722 false; 2723 if (enterable) root_focus.setFocus(self.box.children.keys()[stack_index]); 2724 } else if (key == .enter) { 2725 if (try self.header().submittedText(allocator)) |text| { 2726 defer allocator.free(text); 2727 try self.submitSearch(text); 2728 } 2729 } else { 2730 try self.header().input(allocator, key, root_focus); 2731 } 2732 return; 2733 } 2734 if (self.labelsViewActive()) { 2735 self.labelsViewInput(key, root_focus); 2736 return; 2737 } 2738 if (self.formViewActive()) { 2739 if (confirmation(self.data.view) != null) { 2740 try self.confirmationFormInput(allocator, key, root_focus); 2741 } else if (supports_conflicts and self.data.view == .resolve) { 2742 try self.resolveInput(allocator, key, root_focus); 2743 } else { 2744 try self.formInput(allocator, key, root_focus); 2745 } 2746 return; 2747 } 2748 const i = self.selectedSplitIndex() orelse return; 2749 if (self.detailActive(i)) { 2750 // the way back to the list, by enter or a click 2751 if (widget.listBackId(self.detailFrame(i))) |id| { 2752 if (inp.activated(root_focus, id, key)) return self.focusList(i, root_focus); 2753 if (root_focus.grandchild_id == id) return switch (key) { 2754 .arrow_left => self.focusList(i, root_focus), 2755 .arrow_up => self.focusHeader(root_focus), 2756 .arrow_down => _ = self.detail(i).focusFirst(root_focus), 2757 else => {}, 2758 }; 2759 } 2760 switch (try self.detail(i).inputWithExit(allocator, key, root_focus)) { 2761 .none => {}, 2762 .list => self.focusList(i, root_focus), 2763 .header => if (widget.listBackId(self.detailFrame(i))) |id| root_focus.setFocus(id) else self.focusHeader(root_focus), 2764 } 2765 } else { 2766 try self.listInput(allocator, i, key, root_focus); 2767 } 2768 } 2769 2770 // navigate to the typed query's results, keeping the status list the 2771 // page shows. an empty box clears a filtered page and does nothing on 2772 // any other one. 2773 fn submitSearch(self: *This, text: []const u8) !void { 2774 if (text.len == 0 and self.data.search == null) return; 2775 const selected = self.header().getSelectedIndex() orelse 0; 2776 const status: Status = if (selected < status_count) splitStatus(selected) else @fromBackingInt(@intCast(0)); 2777 const route = listRoute(self.data.identity, status, "") orelse return; 2778 try self.session.navigate(route.withSearch(text) orelse return); 2779 } 2780 2781 // arrow keys move the label selection; up from the top row crosses to the 2782 // header tabs. 2783 fn labelsViewInput(self: *This, key: Key, root_focus: *Focus) void { 2784 const tf = self.labelsView(); 2785 const cid = tf.focus.child_id orelse return; 2786 const cur = tf.indexOfFocusId(cid) orelse return; 2787 const count = tf.text_boxes.items.len; 2788 switch (key) { 2789 .arrow_left => if (cur > 0) root_focus.setFocus(tf.text_boxes.items[cur - 1].getFocus().id), 2790 .arrow_right => if (cur + 1 < count) root_focus.setFocus(tf.text_boxes.items[cur + 1].getFocus().id), 2791 .arrow_up => if (tf.rowStep(cur, false)) |i| root_focus.setFocus(tf.text_boxes.items[i].getFocus().id) else self.focusHeader(root_focus), 2792 .arrow_down => if (tf.rowStep(cur, true)) |i| root_focus.setFocus(tf.text_boxes.items[i].getFocus().id), 2793 .home => root_focus.setFocus(tf.text_boxes.items[0].getFocus().id), 2794 .end => root_focus.setFocus(tf.text_boxes.items[count - 1].getFocus().id), 2795 else => {}, 2796 } 2797 } 2798 2799 fn listInput(self: *This, allocator: std.mem.Allocator, index: usize, key: Key, root_focus: *Focus) !void { 2800 // up/down (and the scroll wheel) move the selection a row; page up/down 2801 // jump a fixed amount. right/Enter cross into the detail pane. up from 2802 // the top row crosses into the header tabs. 2803 if (inp.rowDelta(key, @intCast(self.listBox(index).children.count()))) |delta| { 2804 const lb = self.listBox(index); 2805 const at_top = if (lb.getFocus().child_id) |cid| lb.children.getIndex(cid) == 0 else true; 2806 if (delta < 0 and at_top) return self.focusHeader(root_focus); 2807 moveRowFocus(lb, self.listScroll(index), root_focus, delta); 2808 return; 2809 } 2810 switch (key) { 2811 .enter, .arrow_right => self.focusDetail(index, root_focus), 2812 // when the window is too narrow to lay out the detail pane beside 2813 // the list, a click on a row opens it like enter. the row was just 2814 // selected, so the detail is swapped to it ahead of the build. 2815 .mouse => |mouse| if (self.resultsBox(index).children.values()[detail_index].rect == null and widget.clickOnSelectedRow(self.listBox(index), root_focus, mouse)) { 2816 try self.refreshDetail(allocator, index); 2817 self.focusDetail(index, root_focus); 2818 }, 2819 else => {}, 2820 } 2821 } 2822 2823 fn formInput(self: *This, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 2824 const form = self.formBox() orelse return; 2825 const cid = form.getFocus().child_id orelse return; 2826 const cur = form.children.getIndex(cid) orelse return; 2827 const child = &form.children.values()[cur]; 2828 2829 if (child.widget == .text_input) { 2830 const text_input = &child.widget.text_input; 2831 if (text_input.options.multiline and try multilineKeepsKey(text_input, allocator, key)) 2832 return child.widget.input(allocator, key, root_focus); 2833 } 2834 2835 const on_submit = child.widget == .submit_button; 2836 switch (key) { 2837 .arrow_up, .back_tab => return if (formStep(form, cur, false)) |i| 2838 root_focus.setFocus(form.children.keys()[i]) 2839 else 2840 self.focusHeader(root_focus), 2841 .arrow_down, .tab => return if (formStep(form, cur, true)) |i| root_focus.setFocus(form.children.keys()[i]), 2842 .enter => if (on_submit) return self.submitForm(allocator), 2843 .mouse => |mouse| if (on_submit) { 2844 if (inp.leftClickOn(root_focus, child.widget.submit_button.buttonId(), mouse)) return self.submitForm(allocator); 2845 }, 2846 else => {}, 2847 } 2848 try child.widget.input(allocator, key, root_focus); 2849 } 2850 2851 fn confirmationFormInput(self: *This, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 2852 const form = self.confirmationForm() orelse return; 2853 const child_id = form.getFocus().child_id orelse return; 2854 const index = form.children.getIndex(child_id) orelse return; 2855 switch (key) { 2856 .arrow_up, .back_tab => if (index > 1) 2857 root_focus.setFocus(form.children.keys()[index - 1]) 2858 else 2859 self.focusHeader(root_focus), 2860 .arrow_down, .tab => if (index + 1 < form.children.count()) root_focus.setFocus(form.children.keys()[index + 1]), 2861 .enter => try self.submitConfirmation(allocator, index), 2862 .mouse => |mouse| for (form.children.keys()[1..], 1..) |button_id, button_index| { 2863 if (inp.leftClickOn(root_focus, button_id, mouse)) { 2864 try self.submitConfirmation(allocator, button_index); 2865 break; 2866 } 2867 }, 2868 else => {}, 2869 } 2870 } 2871 2872 // the multiline hunk inputs keep enter and any up/down that has a row to 2873 // move to; enter on a "use this" link is a navigation the host follows 2874 // before this runs. 2875 fn resolveInput(self: *This, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 2876 const form = self.formBox() orelse return; 2877 const cid = form.getFocus().child_id orelse return; 2878 const cur = form.children.getIndex(cid) orelse return; 2879 const child = &form.children.values()[cur]; 2880 2881 if (child.widget == .text_input) { 2882 const ti = &child.widget.text_input; 2883 if (ti.options.multiline and try multilineKeepsKey(ti, allocator, key)) 2884 return child.widget.input(allocator, key, root_focus); 2885 } 2886 2887 const on_submit = child.widget == .submit_button; 2888 2889 switch (key) { 2890 .arrow_up, .back_tab => if (formStep(form, cur, false)) |i| self.focusResolveChild(form, i, root_focus) else self.focusHeader(root_focus), 2891 .arrow_down, .tab => if (formStep(form, cur, true)) |i| self.focusResolveChild(form, i, root_focus), 2892 .arrow_left, .arrow_right => switch (child.widget) { 2893 .box => |*row| _ = widget.moveInRow(row, root_focus, key == .arrow_right), 2894 else => try child.widget.input(allocator, key, root_focus), 2895 }, 2896 .enter => if (on_submit) try self.submitResolution(allocator), 2897 .mouse => |mouse| if (on_submit) { 2898 if (inp.leftClickOn(root_focus, child.widget.submit_button.buttonId(), mouse)) try self.submitResolution(allocator); 2899 }, 2900 else => try child.widget.input(allocator, key, root_focus), 2901 } 2902 } 2903 2904 // a multiline input keeps enter and any up/down that has a row to move to 2905 fn multilineKeepsKey(text_input: *wgt.TextInput, allocator: std.mem.Allocator, key: Key) !bool { 2906 return switch (key) { 2907 .enter => true, 2908 .arrow_up => !try text_input.cursorOnFirstRow(allocator), 2909 .arrow_down => !try text_input.cursorOnLastRow(allocator), 2910 else => false, 2911 }; 2912 } 2913 2914 // the neighboring form control, skipping spacers and blank rows 2915 fn formStep(form: *wgt.Box(Widget), cur: usize, down: bool) ?usize { 2916 var i = cur; 2917 while (true) { 2918 if (down) { 2919 i += 1; 2920 if (i >= form.children.count()) return null; 2921 } else { 2922 if (i == 0) return null; 2923 i -= 1; 2924 } 2925 const child = &form.children.values()[i]; 2926 if (child.hidden) continue; 2927 switch (child.widget) { 2928 .spacer, .text => continue, 2929 else => return i, 2930 } 2931 } 2932 } 2933 2934 // focus the resolve-form child at `i` (a version row focuses its selected 2935 // child) and keep it visible on the terminal 2936 fn focusResolveChild(self: *This, form: *wgt.Box(Widget), i: usize, root_focus: *Focus) void { 2937 const child = &form.children.values()[i]; 2938 switch (child.widget) { 2939 .box => |*row| root_focus.setFocus(row.getFocus().child_id orelse form.children.keys()[i]), 2940 else => root_focus.setFocus(form.children.keys()[i]), 2941 } 2942 if (self.session.is_terminal) { 2943 if (self.resolveScroll()) |sc| { 2944 if (child.rect) |rect| sc.scrollToRect(rect); 2945 } 2946 } 2947 } 2948 2949 // re-emit the conflicted thread's event with the resolved content; any 2950 // event on the thread settles its conflict entry. this is the terminal 2951 // path; the web posts the form to the resolve route. 2952 fn submitResolution(self: *This, allocator: std.mem.Allocator) !void { 2953 if (comptime wasm) return; 2954 const io = self.session.io orelse return; 2955 const src = self.data.repo_source orelse return; 2956 const entry = self.data.selectedThread() orelse return; 2957 const author = ((try self.session.authorize(self.data.identity, .write, kind)) orelse return).author; 2958 const form = self.formBox() orelse return; 2959 2960 // gather the inputs by name; the d<n> hunk inputs appear in chunk order 2961 var title: ?[]u8 = null; 2962 var labels: ?[]u8 = null; 2963 var hunks: std.ArrayList([]const u8) = .empty; 2964 defer { 2965 if (title) |t| allocator.free(t); 2966 if (labels) |t| allocator.free(t); 2967 for (hunks.items) |h| allocator.free(h); 2968 hunks.deinit(allocator); 2969 } 2970 for (form.children.values()) |*child| switch (child.widget) { 2971 .text_input => |*ti| { 2972 const text = try ti.text(allocator); 2973 errdefer allocator.free(text); 2974 if (std.mem.eql(u8, ti.options.name, "title")) { 2975 title = text; 2976 } else if (std.mem.eql(u8, ti.options.name, "labels")) { 2977 labels = text; 2978 } else { 2979 try hunks.append(allocator, text); 2980 } 2981 }, 2982 else => {}, 2983 }; 2984 2985 const id_bytes = try evt.parseEventId(entry.id); 2986 2987 switch (src.repo_kind) { 2988 inline else => |repo_kind| { 2989 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 2990 defer any_repo.deinit(io, allocator); 2991 switch (any_repo) { 2992 inline else => |*repo| { 2993 var resolution: Event.Resolve = .{ 2994 .title = title, 2995 .labels = labels, 2996 .hunks = hunks.items, 2997 }; 2998 if (comptime @hasField(Event.Resolve, "theirs")) resolution.theirs = self.data.theirs_picks; 2999 const change = Event.Update{ .resolve = resolution }; 3000 Event.update(self.session.eventHost(), repo_kind, repo.self_repo_opts, io, allocator, repo, &id_bytes, change, author) catch |err| switch (err) { 3001 // leave the form up for correction 3002 error.InvalidFields => return, 3003 else => |e| return e, 3004 }; 3005 }, 3006 } 3007 }, 3008 } 3009 3010 const route = listRoute(self.data.identity, entryStatus(entry.*), entry.id) orelse return; 3011 try self.session.navigate(route); 3012 } 3013 3014 // commit a new or edited comment and navigate to its permalink. this is the 3015 // terminal path; the web posts the form to its comment route. 3016 fn submitComment(self: *This, allocator: std.mem.Allocator) !void { 3017 if (comptime wasm) return; 3018 const io = self.session.io orelse return; 3019 const src = self.data.repo_source orelse return; 3020 const actor = (try self.session.authorize(self.data.identity, .read, kind)) orelse return; 3021 const author = actor.author; 3022 const form = self.formBox() orelse return; 3023 const body_input = try formField(form, "body"); 3024 const body = try body_input.text(allocator); 3025 defer allocator.free(body); 3026 if (!evt.Comment.fieldsValid(body)) return; 3027 3028 var thread_id: [evt.event_id_size * 2]u8 = undefined; 3029 @memcpy(&thread_id, self.data.selected_id); 3030 const parent_id = if (self.data.comment_id.len == 0) thread_id else blk: { 3031 var parent: [evt.event_id_size * 2]u8 = undefined; 3032 @memcpy(&parent, self.data.comment_id); 3033 break :blk parent; 3034 }; 3035 var event_id_hex: [evt.event_id_size * 2]u8 = undefined; 3036 const editing = self.data.view == .edit_comment; 3037 if (editing) { 3038 const comment_id = evt.parseEventId(self.data.comment_id) catch return; 3039 if (!try src.canModify(io, allocator, actor, .comment, &comment_id)) return; 3040 } 3041 switch (src.repo_kind) { 3042 inline else => |repo_kind| { 3043 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 3044 defer any_repo.deinit(io, allocator); 3045 switch (any_repo) { 3046 inline else => |*repo| if (editing) { 3047 const comment_id = evt.parseEventId(self.data.comment_id) catch return; 3048 try evt.Comment.update(self.session.eventHost(), repo_kind, repo.self_repo_opts, io, allocator, repo, kind, &thread_id, &comment_id, body, author); 3049 event_id_hex = std.fmt.bytesToHex(comment_id, .lower); 3050 } else { 3051 event_id_hex = try evt.Comment.create(self.session.eventHost(), repo_kind, repo.self_repo_opts, io, allocator, repo, kind, &thread_id, &parent_id, body, author); 3052 }, 3053 } 3054 }, 3055 } 3056 3057 body_input.clear(allocator); 3058 const route = ui.RoutablePage.repoThreadCommentRoute(kind, self.data.identity, &thread_id, &event_id_hex, 0) orelse return; 3059 try self.session.navigate(route); 3060 } 3061 3062 // terminal form submissions; the web posts to the forms' routes instead 3063 fn submitForm(self: *This, allocator: std.mem.Allocator) !void { 3064 switch (self.data.view) { 3065 .new_comment, .edit_comment => try self.submitComment(allocator), 3066 .edit => try self.submitEditedThread(allocator), 3067 else => try self.submitNewThread(allocator), 3068 } 3069 } 3070 3071 // commit the new thread to the repo's events branch and navigate to it. 3072 // this is the terminal path; the web posts the form to the thread route, 3073 // so the wasm side never runs (or compiles) the repo access below. 3074 fn submitNewThread(self: *This, allocator: std.mem.Allocator) !void { 3075 if (comptime wasm) return; 3076 const io = self.session.io orelse return; 3077 const src = self.data.repo_source orelse return; 3078 const actor = (try self.session.authorize(self.data.identity, .read, kind)) orelse return; 3079 3080 const form = self.threadForm() orelse return; 3081 const title_input = try formField(form, "title"); 3082 const labels_input = try formField(form, "labels"); 3083 const description_input = try formField(form, "description"); 3084 3085 const title = try title_input.text(allocator); 3086 defer allocator.free(title); 3087 const labels = try labels_input.text(allocator); 3088 defer allocator.free(labels); 3089 const description = try description_input.text(allocator); 3090 defer allocator.free(description); 3091 const target_branch = if (comptime supports_drafts) try (try formField(form, "target_branch")).text(allocator) else ""; 3092 defer if (comptime supports_drafts) allocator.free(target_branch); 3093 3094 if (!Event.fieldsValid(title, labels)) { 3095 if (!evt.titleValid(title)) try self.rememberThreadFeedback(.required_title, title, labels, description, target_branch); 3096 return; 3097 } 3098 3099 if (comptime supports_drafts) { 3100 const source = formWidget(form, .patch_source) orelse return error.MissingFormField; 3101 const source_branch = switch (source.selectedKind()) { 3102 .fork => null, 3103 .branch => try source.field().text(allocator), 3104 }; 3105 defer if (source_branch) |branch| allocator.free(branch); 3106 const event_id_hex = Data.create(self.data, self.session, allocator, actor, title, labels, description, target_branch, source_branch) catch |err| { 3107 const failure = FeedbackFailure.fromError(err) orelse return err; 3108 try self.rememberThreadFeedback(failure, title, labels, description, target_branch); 3109 return; 3110 }; 3111 title_input.clear(allocator); 3112 labels_input.clear(allocator); 3113 description_input.clear(allocator); 3114 (try formField(form, "target_branch")).clear(allocator); 3115 const route = ui.RoutablePage.repoThreadCommentsRoute(kind, self.data.identity, &event_id_hex, 0) orelse return; 3116 try self.session.navigate(route); 3117 return; 3118 } 3119 3120 var id_bytes: [evt.event_id_size]u8 = undefined; 3121 io.random(&id_bytes); 3122 const event_id_hex = std.fmt.bytesToHex(id_bytes, .lower); 3123 3124 const event = evt.EventWithId{ 3125 .id = event_id_hex, 3126 .timestamp = @intCast(std.Io.Timestamp.now(io, .real).toSeconds()), 3127 .author = actor.author, 3128 .event = @unionInit(evt.Event, @tagName(kind), Event{ 3129 .title = title, 3130 .description = description, 3131 .labels = labels, 3132 }), 3133 }; 3134 3135 switch (src.repo_kind) { 3136 inline else => |repo_kind| { 3137 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 3138 defer any_repo.deinit(io, allocator); 3139 switch (any_repo) { 3140 inline else => |*repo| try evt.consume(self.session.eventHost(), .repo, repo_kind, repo.self_repo_opts, io, allocator, repo, evt.events_ref, &.{event}), 3141 } 3142 }, 3143 } 3144 3145 // wipe the form so a return visit starts fresh 3146 title_input.clear(allocator); 3147 labels_input.clear(allocator); 3148 description_input.clear(allocator); 3149 3150 const route = listRoute(self.data.identity, @fromBackingInt(@intCast(0)), &event_id_hex) orelse return; 3151 try self.session.navigate(route); 3152 } 3153 3154 // re-emit the selected thread's event with the form's content (status 3155 // preserved), then reload the thread's page. this is the terminal path; 3156 // the web posts the form to the edit route. 3157 fn submitEditedThread(self: *This, allocator: std.mem.Allocator) !void { 3158 if (comptime wasm) return; 3159 const io = self.session.io orelse return; 3160 const entry = self.data.selectedThread() orelse return; 3161 const actor = (try self.session.authorize(self.data.identity, .read, kind)) orelse return; 3162 const author = actor.author; 3163 3164 const form = self.threadForm() orelse return; 3165 const title_input = try formField(form, "title"); 3166 const labels_input = try formField(form, "labels"); 3167 const description_input = try formField(form, "description"); 3168 3169 const title = try title_input.text(allocator); 3170 defer allocator.free(title); 3171 const labels = try labels_input.text(allocator); 3172 defer allocator.free(labels); 3173 const description = try description_input.text(allocator); 3174 defer allocator.free(description); 3175 const target_branch = if (comptime supports_drafts) try (try formField(form, "target_branch")).text(allocator) else ""; 3176 defer if (comptime supports_drafts) allocator.free(target_branch); 3177 3178 if (!Event.fieldsValid(title, labels)) { 3179 if (!evt.titleValid(title)) try self.rememberThreadFeedback(.required_title, title, labels, description, target_branch); 3180 return; 3181 } 3182 const src = self.data.repo_source orelse return; 3183 3184 if (comptime supports_drafts) { 3185 if (entryDraft(entry.*)) { 3186 self.data.editDraft(self.session, allocator, author, entry.id, title, labels, description, target_branch) catch |err| { 3187 const failure = FeedbackFailure.fromError(err) orelse return err; 3188 try self.rememberThreadFeedback(failure, title, labels, description, target_branch); 3189 return; 3190 }; 3191 const route = listRoute(self.data.identity, entryStatus(entry.*), entry.id) orelse return; 3192 try self.session.navigate(route); 3193 return; 3194 } 3195 } 3196 3197 const id_bytes = try evt.parseEventId(entry.id); 3198 if (!try src.canModify(io, allocator, actor, kind, &id_bytes)) return; 3199 3200 switch (src.repo_kind) { 3201 inline else => |repo_kind| { 3202 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 3203 defer any_repo.deinit(io, allocator); 3204 switch (any_repo) { 3205 inline else => |*repo| if (supports_drafts) { 3206 Event.update(self.session.eventHost(), repo_kind, repo.self_repo_opts, io, allocator, repo, &id_bytes, .{ .fields = .{ 3207 .title = title, 3208 .labels = labels, 3209 .description = description, 3210 .target_branch = target_branch, 3211 } }, author) catch |err| { 3212 const failure = FeedbackFailure.fromError(err) orelse return err; 3213 try self.rememberThreadFeedback(failure, title, labels, description, target_branch); 3214 return; 3215 }; 3216 } else if (has_status) 3217 try Event.update(self.session.eventHost(), repo_kind, repo.self_repo_opts, io, allocator, repo, &id_bytes, .{ .fields = .{ 3218 .title = title, 3219 .labels = labels, 3220 .description = description, 3221 } }, author) 3222 else 3223 try Event.update(self.session.eventHost(), repo_kind, repo.self_repo_opts, io, allocator, repo, &id_bytes, title, labels, description, author), 3224 } 3225 }, 3226 } 3227 3228 const route = listRoute(self.data.identity, entryStatus(entry.*), entry.id) orelse return; 3229 try self.session.navigate(route); 3230 } 3231 3232 fn rememberThreadFeedback(self: *This, failure: FeedbackFailure, title: []const u8, labels: []const u8, description: []const u8, target_branch: []const u8) !void { 3233 const aa = self.session.arena.allocator(); 3234 const source = if (supports_drafts) blk: { 3235 const form = self.threadForm() orelse break :blk null; 3236 break :blk formWidget(form, .patch_source); 3237 } else null; 3238 self.session.data.form_feedback = @unionInit(ui.Session.FormFeedback, @tagName(feedback_tag), .{ 3239 .failure = failure, 3240 .fields = if (comptime supports_drafts) .{ 3241 .title = try aa.dupe(u8, title), 3242 .labels = try aa.dupe(u8, labels), 3243 .description = try aa.dupe(u8, description), 3244 .target_branch = try aa.dupe(u8, target_branch), 3245 .source_branch = if (source) |value| try value.field().text(aa) else "", 3246 .source_kind = if (source) |value| value.selectedKind() else .fork, 3247 } else .{ 3248 .title = try aa.dupe(u8, title), 3249 .labels = try aa.dupe(u8, labels), 3250 .description = try aa.dupe(u8, description), 3251 }, 3252 }); 3253 } 3254 3255 fn submitConfirmation(self: *This, allocator: std.mem.Allocator, button_index: usize) !void { 3256 switch (confirmation(self.data.view) orelse return) { 3257 .publish => if (comptime supports_drafts) { 3258 if (comptime wasm) return; 3259 const entry = self.data.selectedThread() orelse return; 3260 if (!entryDraft(entry.*)) return; 3261 const author = ((try self.session.authorize(self.data.identity, .read, kind)) orelse return).author; 3262 try self.data.publishDraft(self.session, allocator, author, entry.id); 3263 const route = listRoute(self.data.identity, @fromBackingInt(@intCast(0)), entry.id) orelse return; 3264 try self.session.navigate(route); 3265 } else unreachable, 3266 .merge => if (comptime supports_merge) { 3267 if (comptime wasm) return; 3268 const entry = self.data.selectedThread() orelse return; 3269 const revision: evt.Patch.MergeRevision = if (button_index > 1) .squash else .source; 3270 if (!Data.canMerge(entry.*, self.session) or entry.mergeability.get(revision) != .clean) return; 3271 const author = ((try self.session.authorize(self.data.identity, .write, kind)) orelse return).author; 3272 self.data.mergePatch(self.session, allocator, author, entry.id, revision) catch |err| switch (err) { 3273 error.MergeConflict, error.MergeCheckUnavailable, error.PatchOutOfDate, error.PatchDataUnavailable => { 3274 const route = listRoute(self.data.identity, entryStatus(entry.*), entry.id) orelse return; 3275 try self.session.navigate(route); 3276 return; 3277 }, 3278 else => return err, 3279 }; 3280 const merged = std.meta.stringToEnum(Status, "merged") orelse return; 3281 const route = listRoute(self.data.identity, merged, entry.id) orelse return; 3282 try self.session.navigate(route); 3283 } else unreachable, 3284 .remove => try self.submitRemove(allocator), 3285 } 3286 } 3287 3288 fn submitRemove(self: *This, allocator: std.mem.Allocator) !void { 3289 const comment = self.data.comment_id.len != 0; 3290 const event_id = if (comment) self.data.comment_id else self.data.selected_id; 3291 const id = evt.parseEventId(event_id) catch return; 3292 try self.removeEvent(allocator, if (comment) .comment else kind, id); 3293 } 3294 3295 fn removeEvent(self: *This, allocator: std.mem.Allocator, event_kind: evt.EventKind, id: [evt.event_id_size]u8) !void { 3296 if (comptime wasm) return; 3297 const actor = (try self.session.authorize(self.data.identity, .read, kind)) orelse return; 3298 const author = actor.author; 3299 3300 if (comptime supports_drafts) { 3301 const selected = self.data.selectedThread() orelse return; 3302 if (event_kind == kind and entryDraft(selected.*)) { 3303 try Data.removeDraft(self.session, allocator, author, &id); 3304 const route = draftsRoute(self.data.identity) orelse return; 3305 try self.session.navigate(route); 3306 return; 3307 } 3308 } 3309 3310 const io = self.session.io orelse return; 3311 const src = self.data.repo_source orelse return; 3312 if (!try src.canModify(io, allocator, actor, event_kind, &id)) return; 3313 const thread_id = evt.parseEventId(self.data.selected_id) catch return; 3314 3315 switch (src.repo_kind) { 3316 inline else => |repo_kind| { 3317 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 3318 defer any_repo.deinit(io, allocator); 3319 switch (any_repo) { 3320 inline else => |*repo| try evt.removeInThread(self.session.eventHost(), repo_kind, repo.self_repo_opts, io, allocator, repo, kind, &thread_id, event_kind, &id, author), 3321 } 3322 }, 3323 } 3324 3325 // back to the thread, or to its list when the thread itself was removed 3326 const selected = self.data.selectedThread() orelse return; 3327 const route = listRoute(self.data.identity, entryStatus(selected.*), if (event_kind == kind) "" else self.data.selected_id) orelse return; 3328 try self.session.navigate(route); 3329 } 3330 3331 // enter the detail pane, landing on the way back to the list when it shows 3332 fn focusDetail(self: *This, index: usize, root_focus: *Focus) void { 3333 if (widget.listBackId(self.detailFrame(index)) != null) return widget.focusListBack(self.detailFrame(index), root_focus); 3334 _ = self.detail(index).focusFirst(root_focus); 3335 } 3336 3337 // return to the list. 3338 fn focusList(self: *This, index: usize, root_focus: *Focus) void { 3339 root_focus.setFocus(self.listScroll(index).getFocus().id); 3340 } 3341 3342 // cross to the header tabs above the stack. 3343 fn focusHeader(self: *This, root_focus: *Focus) void { 3344 root_focus.setFocus(self.box.children.keys()[header_index]); 3345 } 3346 3347 pub fn clearGrid(self: *This) void { 3348 self.box.clearGrid(); 3349 } 3350 3351 pub fn getGrid(self: This) ?Grid { 3352 return self.box.getGrid(); 3353 } 3354 3355 pub fn getFocus(self: *This) *Focus { 3356 return self.box.getFocus(); 3357 } 3358 3359 // for the parent's "scroll up at the top jumps to the header" check: at the 3360 // top only while the header tabs hold focus, so up from the split 3361 // crosses into the tabs first. 3362 pub fn atTop(self: *This) bool { 3363 return self.headerActive(); 3364 } 3365 }; 3366 } 3367