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core: make the write scrollback file logic more generic

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This commit is contained in:
Mitchell Hashimoto
2024-07-19 20:16:17 -07:00
parent e3df08039a
commit 10198d88dc
1 changed files with 76 additions and 49 deletions
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125
src/Surface.zig
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@ -3324,55 +3324,10 @@ pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool
}, .unlocked);
},
.write_scrollback_file => |write_action| write_scrollback_file: {
// Create a temporary directory to store our scrollback.
var tmp_dir = try internal_os.TempDir.init();
errdefer tmp_dir.deinit();
// Open our scrollback file
var file = try tmp_dir.dir.createFile("scrollback", .{});
defer file.close();
// Screen.dumpString writes byte-by-byte, so buffer it
var buf_writer = std.io.bufferedWriter(file.writer());
// Write the scrollback contents. This requires a lock.
{
self.renderer_state.mutex.lock();
defer self.renderer_state.mutex.unlock();
// We do not support this for alternate screens
// because they don't have scrollback anyways.
if (self.io.terminal.active_screen == .alternate) {
tmp_dir.deinit();
break :write_scrollback_file;
}
// We only dump history if we have history. We still keep
// the file and write the empty file to the pty so that this
// command always works on the primary screen.
const pages = &self.io.terminal.screen.pages;
if (pages.getBottomRight(.active)) |br| {
const tl = pages.getTopLeft(.history);
try self.io.terminal.screen.dumpString(
buf_writer.writer(),
.{ .tl = tl, .br = br, .unwrap = true },
);
}
}
try buf_writer.flush();
// Get the final path
var path_buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
const path = try tmp_dir.dir.realpath("scrollback", &path_buf);
switch (write_action) {
.open => try internal_os.open(self.alloc, path),
.paste => self.io.queueMessage(try termio.Message.writeReq(
self.alloc,
path,
), .unlocked),
}
},
.write_scrollback_file => |v| try self.writeScreenFile(
.history,
v,
),
.new_window => try self.app.newWindow(self.rt_app, .{ .parent = self }),
@ -3550,6 +3505,78 @@ fn closingAction(action: input.Binding.Action) bool {
};
}
/// The portion of the screen to write for writeScreenFile.
const WriteScreenLoc = enum {
history,
};
fn writeScreenFile(
self: *Surface,
loc: WriteScreenLoc,
write_action: input.Binding.Action.WriteScreenAction,
) !void {
// Create a temporary directory to store our scrollback.
var tmp_dir = try internal_os.TempDir.init();
errdefer tmp_dir.deinit();
// Open our scrollback file
var file = try tmp_dir.dir.createFile(@tagName(loc), .{});
defer file.close();
// Screen.dumpString writes byte-by-byte, so buffer it
var buf_writer = std.io.bufferedWriter(file.writer());
// Write the scrollback contents. This requires a lock.
{
self.renderer_state.mutex.lock();
defer self.renderer_state.mutex.unlock();
// We only dump history if we have history. We still keep
// the file and write the empty file to the pty so that this
// command always works on the primary screen.
const pages = &self.io.terminal.screen.pages;
const tl: terminal.Pin, const br: ?terminal.Pin = switch (loc) {
.history => history: {
// We do not support this for alternate screens
// because they don't have scrollback anyways.
if (self.io.terminal.active_screen == .alternate) {
tmp_dir.deinit();
return;
}
break :history .{
pages.getTopLeft(.history),
pages.getBottomRight(.history),
};
},
};
try self.io.terminal.screen.dumpString(
buf_writer.writer(),
.{
.tl = tl,
.br = br orelse {
tmp_dir.deinit();
return;
},
.unwrap = true,
},
);
}
try buf_writer.flush();
// Get the final path
var path_buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
const path = try tmp_dir.dir.realpath(@tagName(loc), &path_buf);
switch (write_action) {
.open => try internal_os.open(self.alloc, path),
.paste => self.io.queueMessage(try termio.Message.writeReq(
self.alloc,
path,
), .unlocked),
}
}
/// Call this to complete a clipboard request sent to apprt. This should
/// only be called once for each request. The data is immediately copied so
/// it is safe to free the data after this call.