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https://github.com/mawww/kakoune.git
synced 2024-09-11 13:00:41 +03:00
Refactor mouse press/release handling to support 3 buttons
Change button to be an additional parameter instead of having separate events for left/right buttons. Fixes #3471
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@ -59,11 +59,8 @@ The requests that the json ui can interpret on stdin are:
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* keys(String key1, String key2...): keystrokes
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* resize(int rows, int columns): notify ui resize
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* scroll(int amount): scroll by given line amount
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* mouse(String type, int line, int column): mouse event. line and column relate to
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the cursor position. type can be:
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- 'move'
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- 'press_left'
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- 'press_right'
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- 'release_left'
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- 'release_right'
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* mouse_move(int line, int column): line and column relate to the cursor position.
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* mouse_press(String button, int line, int column): line and column relate to
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cursor position, button can be 'left', 'middle' or 'right'
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* mouse_release(String button, int line, int column): same.
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* menu_select(int index): explicit select of given menu entry
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@ -92,35 +92,40 @@ struct MouseHandler
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Buffer& buffer = context.buffer();
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BufferCoord cursor;
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auto& selections = context.selections();
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constexpr auto modifiers = Key::Modifiers::Control | Key::Modifiers::Alt | Key::Modifiers::Shift;
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constexpr auto modifiers = Key::Modifiers::Control | Key::Modifiers::Alt | Key::Modifiers::Shift | Key::Modifiers::MouseButtonMask;
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switch ((key.modifiers & ~modifiers).value)
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{
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case Key::Modifiers::MousePressRight:
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m_dragging = false;
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cursor = context.window().buffer_coord(key.coord());
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if (key.modifiers & Key::Modifiers::Control)
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selections = {{selections.begin()->anchor(), cursor}};
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else
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selections.main() = {selections.main().anchor(), cursor};
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selections.sort_and_merge_overlapping();
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return true;
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case Key::Modifiers::MousePressLeft:
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m_dragging = true;
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m_anchor = context.window().buffer_coord(key.coord());
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if (not (key.modifiers & Key::Modifiers::Control))
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context.selections_write_only() = { buffer, m_anchor};
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else
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case Key::Modifiers::MousePress:
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switch (key.mouse_button())
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{
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size_t main = selections.size();
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selections.push_back({m_anchor});
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selections.set_main_index(main);
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case Key::MouseButton::Right:
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m_dragging = false;
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cursor = context.window().buffer_coord(key.coord());
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if (key.modifiers & Key::Modifiers::Control)
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selections = {{selections.begin()->anchor(), cursor}};
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else
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selections.main() = {selections.main().anchor(), cursor};
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selections.sort_and_merge_overlapping();
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}
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return true;
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return true;
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case Key::Modifiers::MouseReleaseLeft:
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case Key::Modifiers::MouseReleaseRight:
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case Key::MouseButton::Left:
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m_dragging = true;
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m_anchor = context.window().buffer_coord(key.coord());
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if (not (key.modifiers & Key::Modifiers::Control))
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context.selections_write_only() = { buffer, m_anchor};
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else
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{
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size_t main = selections.size();
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selections.push_back({m_anchor});
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selections.set_main_index(main);
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selections.sort_and_merge_overlapping();
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}
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return true;
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default: return true;
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}
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case Key::Modifiers::MouseRelease:
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if (not m_dragging)
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return true;
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m_dragging = false;
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@ -248,31 +248,30 @@ void JsonUI::eval_json(const Value& json)
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m_on_key(key);
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}
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}
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else if (method == "mouse")
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else if (method == "mouse_move")
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{
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if (params.size() != 3)
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throw invalid_rpc_request("mouse type/coordinates not specified");
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if (params.size() != 2)
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throw invalid_rpc_request("mouse coordinates not specified");
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if (not params[0].is_a<String>())
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throw invalid_rpc_request("mouse type is not a string");
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else if (not params[1].is_a<int>() or
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not params[2].is_a<int>())
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if (not params[0].is_a<int>() or not params[1].is_a<int>())
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throw invalid_rpc_request("mouse coordinates are not integers");
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const StringView type = params[0].as<String>();
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const Codepoint coord = encode_coord({params[1].as<int>(), params[2].as<int>()});
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if (type == "move")
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m_on_key({Key::Modifiers::MousePos, coord});
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else if (type == "press_left")
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m_on_key({Key::Modifiers::MousePressLeft, coord});
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else if (type == "press_right")
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m_on_key({Key::Modifiers::MousePressRight, coord});
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else if (type == "release_left")
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m_on_key({Key::Modifiers::MouseReleaseLeft, coord});
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else if (type == "release_right")
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m_on_key({Key::Modifiers::MouseReleaseRight, coord});
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else
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throw invalid_rpc_request(format("invalid mouse event type: {}", type));
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m_on_key({Key::Modifiers::MousePos, encode_coord({params[0].as<int>(), params[1].as<int>()})});
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}
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else if (method == "mouse_press" or method == "mouse_release")
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{
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if (params.size() != 3)
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throw invalid_rpc_request("mouse button/coordinates not specified");
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if (not params[0].is_a<String>())
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throw invalid_rpc_request("mouse button is not a string");
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if (not params[1].is_a<int>() or not params[2].is_a<int>())
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throw invalid_rpc_request("mouse coordinates are not integers");
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auto event = method == "mouse_press" ? Key::Modifiers::MousePress : Key::Modifiers::MouseRelease;
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auto button = str_to_button(params[0].as<String>());
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m_on_key({event | Key::to_modifier(button), encode_coord({params[1].as<int>(), params[2].as<int>()})});
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}
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else if (method == "scroll")
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{
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33
src/keys.cc
33
src/keys.cc
@ -157,21 +157,36 @@ KeyList parse_keys(StringView str)
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return result;
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}
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StringView button_to_str(Key::MouseButton button)
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{
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switch (button)
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{
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case Key::MouseButton::Left: return "left";
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case Key::MouseButton::Middle: return "middle";
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case Key::MouseButton::Right: return "right";
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default: kak_assert(false); throw logic_error{};
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}
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}
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Key::MouseButton str_to_button(StringView str)
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{
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if (str == "left") return Key::MouseButton::Left;
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if (str == "middle") return Key::MouseButton::Middle;
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if (str == "right") return Key::MouseButton::Right;
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throw runtime_error(format("invalid mouse button name {}", str));
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}
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String key_to_str(Key key)
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{
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const auto coord = key.coord() + DisplayCoord{1,1};
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switch (key.modifiers)
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switch (Key::Modifiers(key.modifiers & ~Key::Modifiers::MouseButtonMask))
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{
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case Key::Modifiers::MousePos:
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return format("<mouse:move:{}.{}>", coord.line, coord.column);
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case Key::Modifiers::MousePressLeft:
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return format("<mouse:press_left:{}.{}>", coord.line, coord.column);
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case Key::Modifiers::MousePressRight:
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return format("<mouse:press_right:{}.{}>", coord.line, coord.column);
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case Key::Modifiers::MouseReleaseLeft:
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return format("<mouse:release_left:{}.{}>", coord.line, coord.column);
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case Key::Modifiers::MouseReleaseRight:
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return format("<mouse:release_right:{}.{}>", coord.line, coord.column);
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case Key::Modifiers::MousePress:
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return format("<mouse:press:{}:{}.{}>", button_to_str(key.mouse_button()), coord.line, coord.column);
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case Key::Modifiers::MouseRelease:
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return format("<mouse:release:{}:{}.{}>", button_to_str(key.mouse_button()), coord.line, coord.column);
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case Key::Modifiers::Scroll:
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return format("<scroll:{}>", static_cast<int>(key.key));
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case Key::Modifiers::Resize:
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20
src/keys.hh
20
src/keys.hh
@ -14,6 +14,12 @@ namespace Kakoune
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struct Key
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{
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enum class MouseButton
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{
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Left,
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Middle,
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Right
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};
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enum class Modifiers : int
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{
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None = 0,
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@ -21,11 +27,11 @@ struct Key
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Alt = 1 << 1,
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Shift = 1 << 2,
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MousePressLeft = 1 << 3,
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MousePressRight = 1 << 4,
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MouseReleaseLeft = 1 << 5,
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MouseReleaseRight = 1 << 6,
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MousePos = 1 << 7,
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MousePress = 1 << 3,
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MouseRelease = 1 << 4,
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MousePos = 1 << 5,
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MouseButtonMask= 0b11 << 6,
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Scroll = 1 << 8,
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Resize = 1 << 9,
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MenuSelect = 1 << 10,
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@ -82,6 +88,8 @@ struct Key
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constexpr bool operator<(Key other) const { return val() < other.val(); }
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constexpr DisplayCoord coord() const { return {(int)((key & 0xFFFF0000) >> 16), (int)(key & 0x0000FFFF)}; }
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constexpr MouseButton mouse_button() { return MouseButton{((int)modifiers & (int)Modifiers::MouseButtonMask) >> 6}; }
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static Modifiers to_modifier(MouseButton button) { return Key::Modifiers{((int)button << 6) & (int)Modifiers::MouseButtonMask}; }
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Optional<Codepoint> codepoint() const;
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};
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@ -95,6 +103,8 @@ class StringView;
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KeyList parse_keys(StringView str);
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String key_to_str(Key key);
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StringView button_to_str(Key::MouseButton button);
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Key::MouseButton str_to_button(StringView str);
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constexpr Key shift(Key key)
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{
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@ -19,6 +19,7 @@
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#include <csignal>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <strings.h>
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constexpr char control(char c) { return c & 037; }
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@ -669,19 +670,19 @@ Optional<Key> NCursesUI::get_next_key()
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return mod;
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};
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auto mouse_button = [this](Key::Modifiers mod, Codepoint coord, bool left, bool release) {
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auto mask = left ? 0x1 : 0x2;
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auto mouse_button = [this](Key::Modifiers mod, Key::MouseButton button, Codepoint coord, bool release) {
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auto mask = 1 << (int)button;
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if (not release)
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{
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mod |= (m_mouse_state & mask) ? Key::Modifiers::MousePos : (left ? Key::Modifiers::MousePressLeft : Key::Modifiers::MousePressRight);
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mod |= (m_mouse_state & mask) ? Key::Modifiers::MousePos : Key::Modifiers::MousePress;
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m_mouse_state |= mask;
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}
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else
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{
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mod |= left ? Key::Modifiers::MouseReleaseLeft : Key::Modifiers::MouseReleaseRight;
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mod |= Key::Modifiers::MouseRelease;
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m_mouse_state &= ~mask;
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}
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return Key{mod, coord};
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return Key{mod | Key::to_modifier(button), coord};
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};
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auto mouse_scroll = [this](Key::Modifiers mod, bool down) -> Key {
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@ -752,17 +753,15 @@ Optional<Key> NCursesUI::get_next_key()
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const int y = (sgr ? params[2] : next_char() - 32) - 1;
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auto coord = encode_coord({y - content_line_offset(), x});
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Key::Modifiers mod = parse_mask((b >> 2) & 0x7);
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switch (b & 0x43)
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switch (auto code = b & 0x43; code)
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{
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case 0: return mouse_button(mod, coord, true, c == 'm');
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case 2: return mouse_button(mod, coord, false, c == 'm');
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case 0: case 1: case 2:
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return mouse_button(mod, Key::MouseButton{code}, coord, c == 'm');
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case 3:
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if (sgr)
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return {};
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if (m_mouse_state & 0x1)
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return mouse_button(mod, coord, true, true);
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else if (m_mouse_state & 0x2)
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return mouse_button(mod, coord, false, true);
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else if (int guess = ffs(m_mouse_state) - 1; 0 <= guess and guess < 3)
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return mouse_button(mod, Key::MouseButton{guess}, coord, true);
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break;
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case 64: return mouse_scroll(mod, false);
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case 65: return mouse_scroll(mod, true);
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