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WindowServer: Add ability to initiate window resize from window edges.

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This commit is contained in:
Andreas Kling 2019-04-06 23:20:06 +02:00
parent 0808d5158c
commit c7365a00f8
3 changed files with 57 additions and 3 deletions
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23
Servers/WindowServer/WSWindowFrame.cpp
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@ -234,6 +234,8 @@ void WSWindowFrame::on_mouse_event(const WSMouseEvent& event)
if (m_window.type() != WSWindowType::Normal)
return;
if (title_bar_rect().contains(event.position())) {
wm.clear_resize_candidate();
if (event.type() == WSMessage::MouseDown)
wm.move_to_front_and_make_active(m_window);
@ -243,5 +245,26 @@ void WSWindowFrame::on_mouse_event(const WSMouseEvent& event)
}
if (event.type() == WSMessage::MouseDown && event.button() == MouseButton::Left)
wm.start_window_drag(m_window, event.translated(rect().location()));
return;
}
if (event.type() == WSMessage::MouseMove && event.buttons() == 0) {
constexpr ResizeDirection direction_for_hot_area[3][3] = {
{ ResizeDirection::UpLeft, ResizeDirection::Up, ResizeDirection::UpRight },
{ ResizeDirection::Left, ResizeDirection::None, ResizeDirection::Right },
{ ResizeDirection::DownLeft, ResizeDirection::Down, ResizeDirection::DownRight },
};
Rect outer_rect = { { }, rect().size() };
ASSERT(outer_rect.contains(event.position()));
int window_relative_x = event.x() - outer_rect.x();
int window_relative_y = event.y() - outer_rect.y();
int hot_area_row = min(2, window_relative_y / (outer_rect.height() / 3));
int hot_area_column = min(2, window_relative_x / (outer_rect.width() / 3));
wm.set_resize_candidate(m_window, direction_for_hot_area[hot_area_row][hot_area_column]);
wm.invalidate_cursor();
return;
}
if (event.button() == MouseButton::Left)
wm.start_window_resize(m_window, event.translated(rect().location()));
}