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LibGUI+WindowServer: Implement drag-to-select behavior in GTextEditor.

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To make this feel right, I needed to start passing keyboard modifiers along
with mouse events. That allows shift-clicking to extend the selection. :^)
This commit is contained in:
Andreas Kling
2019-03-08 17:53:02 +01:00
parent 6d172725c0
commit f40d11f06d
11 changed files with 73 additions and 21 deletions
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5
WindowServer/WSScreen.cpp
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@@ -69,14 +69,14 @@ void WSScreen::on_receive_mouse_data(int dx, int dy, unsigned buttons)
auto post_mousedown_or_mouseup_if_needed = [&] (MouseButton button) {
if (!(changed_buttons & (unsigned)button))
return;
auto message = make<WSMouseEvent>(buttons & (unsigned)button ? WSMessage::MouseDown : WSMessage::MouseUp, m_cursor_location, buttons, button);
auto message = make<WSMouseEvent>(buttons & (unsigned)button ? WSMessage::MouseDown : WSMessage::MouseUp, m_cursor_location, buttons, button, m_modifiers);
WSMessageLoop::the().post_message(WSWindowManager::the(), move(message));
};
post_mousedown_or_mouseup_if_needed(MouseButton::Left);
post_mousedown_or_mouseup_if_needed(MouseButton::Right);
post_mousedown_or_mouseup_if_needed(MouseButton::Middle);
if (m_cursor_location != prev_location) {
auto message = make<WSMouseEvent>(WSMessage::MouseMove, m_cursor_location, buttons);
auto message = make<WSMouseEvent>(WSMessage::MouseMove, m_cursor_location, buttons, MouseButton::None, m_modifiers);
WSMessageLoop::the().post_message(WSWindowManager::the(), move(message));
}
// NOTE: Invalidate the cursor if it moved, or if the left button changed state (for the cursor color inversion.)
@@ -86,6 +86,7 @@ void WSScreen::on_receive_mouse_data(int dx, int dy, unsigned buttons)
void WSScreen::on_receive_keyboard_data(KeyEvent kernel_event)
{
m_modifiers = kernel_event.modifiers();
auto message = make<WSKeyEvent>(kernel_event.is_press() ? WSMessage::KeyDown : WSMessage::KeyUp, kernel_event.key, kernel_event.character, kernel_event.modifiers());
WSMessageLoop::the().post_message(WSWindowManager::the(), move(message));
}