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Enable raw keyboard input (#832)

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In order for applications to receive all keyboard inputs, including the
Ctrl-C and Ctrl-Z, the raw input mode has been enabled. As result the
SIGINT will no longer be used, instead the keyboard Ctrl-C event is used
for exiting the framework, but only if no components has made use of it.

Co-authored-by: Jørn Gustav Larsen <jgl@fasttracksoftware.com>
Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
Jørn Gustav Larsen
2024-04-28 15:17:54 +02:00
committed by GitHub
parent d38b14ffb6
commit d386df6f94
15 changed files with 643 additions and 202 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
include/ftxui/component/event.hpp
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@@ -54,21 +54,52 @@ struct Event {
static const Event Escape;
static const Event Tab;
static const Event TabReverse;
static const Event F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12;
// --- Navigation keys ---
static const Event Insert;
static const Event Home;
static const Event End;
static const Event PageUp;
static const Event PageDown;
// --- Function keys ---
static const Event F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12;
// --- Control keys ---
static const Event a, A, CtrlA, AltA, CtrlAltA;
static const Event b, B, CtrlB, AltB, CtrlAltB;
static const Event c, C, CtrlC, AltC, CtrlAltC;
static const Event d, D, CtrlD, AltD, CtrlAltD;
static const Event e, E, CtrlE, AltE, CtrlAltE;
static const Event f, F, CtrlF, AltF, CtrlAltF;
static const Event g, G, CtrlG, AltG, CtrlAltG;
static const Event h, H, CtrlH, AltH, CtrlAltH;
static const Event i, I, CtrlI, AltI, CtrlAltI;
static const Event j, J, CtrlJ, AltJ, CtrlAltJ;
static const Event k, K, CtrlK, AltK, CtrlAltK;
static const Event l, L, CtrlL, AltL, CtrlAltL;
static const Event m, M, CtrlM, AltM, CtrlAltM;
static const Event n, N, CtrlN, AltN, CtrlAltN;
static const Event o, O, CtrlO, AltO, CtrlAltO;
static const Event p, P, CtrlP, AltP, CtrlAltP;
static const Event q, Q, CtrlQ, AltQ, CtrlAltQ;
static const Event r, R, CtrlR, AltR, CtrlAltR;
static const Event s, S, CtrlS, AltS, CtrlAltS;
static const Event t, T, CtrlT, AltT, CtrlAltT;
static const Event u, U, CtrlU, AltU, CtrlAltU;
static const Event v, V, CtrlV, AltV, CtrlAltV;
static const Event w, W, CtrlW, AltW, CtrlAltW;
static const Event x, X, CtrlX, AltX, CtrlAltX;
static const Event y, Y, CtrlY, AltY, CtrlAltY;
static const Event z, Z, CtrlZ, AltZ, CtrlAltZ;
// --- Custom ---
static const Event Custom;
//--- Method section ---------------------------------------------------------
bool operator==(const Event& other) const { return input_ == other.input_; }
bool operator!=(const Event& other) const { return !operator==(other); }
bool operator<(const Event& other) const { return input_ < other.input_; }
const std::string& input() const { return input_; }
@@ -86,6 +117,9 @@ struct Event {
bool is_cursor_shape() const { return type_ == Type::CursorShape; }
int cursor_shape() const { return data_.cursor_shape; }
// Debug
std::string DebugString() const;
//--- State section ----------------------------------------------------------
ScreenInteractive* screen_ = nullptr;

2
include/ftxui/component/mouse.hpp
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@@ -16,6 +16,8 @@ struct Mouse {
None = 3,
WheelUp = 4,
WheelDown = 5,
WheelLeft = 6, /// Supported terminal only.
WheelRight = 7, /// Supported terminal only.
};
enum Motion {

12
include/ftxui/component/screen_interactive.hpp
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@@ -59,6 +59,15 @@ class ScreenInteractive : public Screen {
// temporarily uninstalled.
Closure WithRestoredIO(Closure);
// FTXUI implements handlers for Ctrl-C and Ctrl-Z. By default, these handlers
// are executed, even if the component catches the event. This avoid users
// handling every event to be trapped in the application. However, in some
// cases, the application may want to handle these events itself. In this
// case, the application can force FTXUI to not handle these events by calling
// the following functions with force=true.
void ForceHandleCtrlC(bool force);
void ForceHandleCtrlZ(bool force);
private:
void ExitNow();
@@ -114,6 +123,9 @@ class ScreenInteractive : public Screen {
bool frame_valid_ = false;
bool force_handle_ctrl_c_ = true;
bool force_handle_ctrl_z_ = true;
// The style of the cursor to restore on exit.
int cursor_reset_shape_ = 1;