1 | //===-- Statusline.h -----------------------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #ifndef LLDB_CORE_STATUSLINE_H |
10 | #define LLDB_CORE_STATUSLINE_H |
11 | |
12 | #include "lldb/lldb-forward.h" |
13 | #include <cstdint> |
14 | #include <string> |
15 | |
16 | namespace lldb_private { |
17 | class Statusline { |
18 | public: |
19 | Statusline(Debugger &debugger); |
20 | ~Statusline(); |
21 | |
22 | /// Reduce the scroll window and draw the statusline. |
23 | void Enable(); |
24 | |
25 | /// Hide the statusline and extend the scroll window. |
26 | void Disable(); |
27 | |
28 | /// Redraw the statusline. If update is false, this will redraw the last |
29 | /// string. |
30 | void Redraw(bool update = true); |
31 | |
32 | /// Inform the statusline that the terminal dimensions have changed. |
33 | void TerminalSizeChanged(); |
34 | |
35 | private: |
36 | /// Draw the statusline with the given text. |
37 | void Draw(std::string msg); |
38 | |
39 | /// Update terminal dimensions. |
40 | void UpdateTerminalProperties(); |
41 | |
42 | enum ScrollWindowMode { |
43 | EnableStatusline, |
44 | DisableStatusline, |
45 | }; |
46 | |
47 | /// Set the scroll window for the given mode. |
48 | void UpdateScrollWindow(ScrollWindowMode mode); |
49 | |
50 | Debugger &m_debugger; |
51 | std::string m_last_str; |
52 | uint64_t m_terminal_width = 0; |
53 | uint64_t m_terminal_height = 0; |
54 | }; |
55 | } // namespace lldb_private |
56 | #endif // LLDB_CORE_STATUSLINE_H |
57 | |