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Feature: Selection

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Add support for selection content in the dom.
This commit is contained in:
Clément Roblot
2024-12-27 15:45:13 +07:00
committed by GitHub
parent 751c8fab26
commit 6fafa2dfed
25 changed files with 1001 additions and 31 deletions
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23
include/ftxui/component/screen_interactive.hpp
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@@ -16,6 +16,7 @@
#include "ftxui/component/captured_mouse.hpp" // for CapturedMouse
#include "ftxui/component/event.hpp" // for Event
#include "ftxui/component/task.hpp" // for Task, Closure
#include "ftxui/dom/selection.hpp" // for SelectionOption
#include "ftxui/screen/screen.hpp" // for Screen
namespace ftxui {
@@ -68,6 +69,10 @@ class ScreenInteractive : public Screen {
void ForceHandleCtrlC(bool force);
void ForceHandleCtrlZ(bool force);
// Selection API.
std::string GetSelection();
void SelectionChange(std::function<void()> callback);
private:
void ExitNow();
@@ -82,6 +87,8 @@ class ScreenInteractive : public Screen {
void RunOnceBlocking(Component component);
void HandleTask(Component component, Task& task);
bool HandleSelection(bool handled, Event event);
void RefreshSelection();
void Draw(Component component);
void ResetCursorPosition();
@@ -129,6 +136,22 @@ class ScreenInteractive : public Screen {
// The style of the cursor to restore on exit.
int cursor_reset_shape_ = 1;
// Selection API:
CapturedMouse selection_pending_;
struct SelectionData {
int start_x = -1;
int start_y = -1;
int end_x = -2;
int end_y = -2;
bool empty = true;
bool operator==(const SelectionData& other) const;
bool operator!=(const SelectionData& other) const;
};
SelectionData selection_data_;
SelectionData selection_data_previous_;
std::unique_ptr<Selection> selection_;
std::function<void()> selection_on_change_;
friend class Loop;
public: