Initial public release
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190
src/tui/mode/mini/find_in_files.zig
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190
src/tui/mode/mini/find_in_files.zig
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const nc = @import("notcurses");
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const tp = @import("thespian");
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const tui = @import("../../tui.zig");
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const mainview = @import("../../mainview.zig");
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const command = @import("../../command.zig");
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const EventHandler = @import("../../EventHandler.zig");
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const ed = @import("../../editor.zig");
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const Allocator = @import("std").mem.Allocator;
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const json = @import("std").json;
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const eql = @import("std").mem.eql;
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const mod = nc.mod;
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const key = nc.key;
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const Self = @This();
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a: Allocator,
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buf: [1024]u8 = undefined,
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input: []u8 = "",
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last_buf: [1024]u8 = undefined,
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last_input: []u8 = "",
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start_view: ed.View,
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start_cursor: ed.Cursor,
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editor: *ed.Editor,
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pub fn create(a: Allocator, _: command.Context) !*Self {
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const self: *Self = try a.create(Self);
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if (tui.current().mainview.dynamic_cast(mainview)) |mv_| if (mv_.get_editor()) |editor| {
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self.* = .{
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.a = a,
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.start_view = editor.view,
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.start_cursor = editor.get_primary().cursor,
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.editor = editor,
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};
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if (editor.get_primary().selection) |sel| ret: {
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const text = editor.get_selection(sel, self.a) catch break :ret;
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defer self.a.free(text);
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@memcpy(self.buf[0..text.len], text);
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self.input = self.buf[0..text.len];
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}
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return self;
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};
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return error.NotFound;
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}
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pub fn deinit(self: *Self) void {
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self.a.destroy(self);
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}
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pub fn handler(self: *Self) EventHandler {
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return EventHandler.to_owned(self);
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}
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pub fn name(_: *Self) []const u8 {
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return "find in files";
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}
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pub fn receive(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
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var evtype: u32 = undefined;
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var keypress: u32 = undefined;
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var egc: u32 = undefined;
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var modifiers: u32 = undefined;
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defer {
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if (tui.current().mini_mode) |*mini_mode| {
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mini_mode.text = self.input;
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mini_mode.cursor = self.input.len;
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}
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}
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if (try m.match(.{ "I", tp.extract(&evtype), tp.extract(&keypress), tp.extract(&egc), tp.string, tp.extract(&modifiers) })) {
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try self.mapEvent(evtype, keypress, egc, modifiers);
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} else if (try m.match(.{"F"})) {
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self.flush_input() catch |e| return e;
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}
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return false;
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}
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fn mapEvent(self: *Self, evtype: u32, keypress: u32, egc: u32, modifiers: u32) tp.result {
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switch (evtype) {
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nc.event_type.PRESS => try self.mapPress(keypress, egc, modifiers),
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nc.event_type.REPEAT => try self.mapPress(keypress, egc, modifiers),
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nc.event_type.RELEASE => try self.mapRelease(keypress, egc, modifiers),
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else => {},
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}
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}
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fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) tp.result {
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const keynormal = if ('a' <= keypress and keypress <= 'z') keypress - ('a' - 'A') else keypress;
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return switch (modifiers) {
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mod.CTRL => switch (keynormal) {
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'Q' => self.cmd("quit", .{}),
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'V' => self.cmd("system_paste", .{}),
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'U' => self.input = "",
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'G' => self.cancel(),
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'C' => self.cancel(),
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'L' => self.cmd("scroll_view_center", .{}),
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'F' => self.cmd("goto_next_match", .{}),
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'N' => self.cmd("goto_next_match", .{}),
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'P' => self.cmd("goto_prev_match", .{}),
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'I' => self.insert_bytes("\t"),
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key.SPACE => self.cancel(),
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key.ENTER => self.insert_bytes("\n"),
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key.BACKSPACE => self.input = "",
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else => {},
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},
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mod.ALT => switch (keynormal) {
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'V' => self.cmd("system_paste", .{}),
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'N' => self.cmd("goto_next_match", .{}),
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'P' => self.cmd("goto_prev_match", .{}),
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else => {},
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},
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mod.ALT | mod.SHIFT => switch (keynormal) {
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'V' => self.cmd("system_paste", .{}),
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else => {},
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},
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mod.SHIFT => switch (keypress) {
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key.ENTER => self.cmd("goto_prev_match", .{}),
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key.F03 => self.cmd("goto_prev_match", .{}),
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else => if (!key.synthesized_p(keypress))
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self.insert_code_point(egc)
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else {},
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},
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0 => switch (keypress) {
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key.F03 => self.cmd("goto_next_match", .{}),
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key.F15 => self.cmd("goto_prev_match", .{}),
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key.F09 => self.cmd("theme_prev", .{}),
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key.F10 => self.cmd("theme_next", .{}),
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key.ESC => self.cancel(),
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key.ENTER => self.cmd("exit_mini_mode", .{}),
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key.BACKSPACE => if (self.input.len > 0) {
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self.input = self.input[0 .. self.input.len - 1];
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},
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key.LCTRL, key.RCTRL => self.cmd("enable_fast_scroll", .{}),
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key.LALT, key.RALT => self.cmd("enable_fast_scroll", .{}),
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else => if (!key.synthesized_p(keypress))
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self.insert_code_point(egc)
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else {},
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},
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else => {},
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};
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}
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fn mapRelease(self: *Self, keypress: u32, _: u32, _: u32) tp.result {
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return switch (keypress) {
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key.LCTRL, key.RCTRL => self.cmd("disable_fast_scroll", .{}),
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key.LALT, key.RALT => self.cmd("disable_fast_scroll", .{}),
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else => {},
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};
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}
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fn insert_code_point(self: *Self, c: u32) tp.result {
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if (self.input.len + 16 > self.buf.len)
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try self.flush_input();
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const bytes = nc.ucs32_to_utf8(&[_]u32{c}, self.buf[self.input.len..]) catch |e| return tp.exit_error(e);
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self.input = self.buf[0 .. self.input.len + bytes];
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}
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fn insert_bytes(self: *Self, bytes: []const u8) tp.result {
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if (self.input.len + 16 > self.buf.len)
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try self.flush_input();
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const newlen = self.input.len + bytes.len;
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@memcpy(self.buf[self.input.len..newlen], bytes);
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self.input = self.buf[0..newlen];
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}
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var find_cmd_id: ?command.ID = null;
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fn flush_input(self: *Self) tp.result {
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if (self.input.len > 0) {
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if (eql(u8, self.input, self.last_input))
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return;
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@memcpy(self.last_buf[0..self.input.len], self.input);
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self.last_input = self.last_buf[0..self.input.len];
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command.executeName("show_logview", .{}) catch {};
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try self.editor.find_in_files(self.input);
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}
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}
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fn cmd(self: *Self, name_: []const u8, ctx: command.Context) tp.result {
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self.flush_input() catch {};
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return command.executeName(name_, ctx);
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}
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fn cancel(self: *Self) void {
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self.editor.get_primary().cursor = self.start_cursor;
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self.editor.scroll_to(self.start_view.row);
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command.executeName("exit_mini_mode", .{}) catch {};
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}
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