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WindowServer: Factor out ongoing drag/resize from process_mouse_event().

Browse source 
The mouse event processing code is getting unwieldy. Break out two huge
chunks into separate functions so the code becomes easier to work with.
This commit is contained in:
Andreas Kling 2019-03-24 13:00:12 +01:00
parent 900a3966e2
commit 56ee8bfe2a
2 changed files with 134 additions and 118 deletions
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42
Servers/WindowServer/WSWindowManager.cpp
View file

@ -656,20 +656,18 @@ void WSWindowManager::start_window_resize(WSWindow& window, WSMouseEvent& event)
invalidate(window);
}
void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& event_window)
bool WSWindowManager::process_ongoing_window_drag(WSMouseEvent& event, WSWindow*& event_window)
{
event_window = nullptr;
if (m_drag_window) {
if (!m_drag_window)
return false;
if (event.type() == WSMessage::MouseUp && event.button() == MouseButton::Left) {
#ifdef DRAG_DEBUG
printf("[WM] Finish dragging WSWindow{%p}\n", m_drag_window.ptr());
#endif
invalidate(*m_drag_window);
m_drag_window = nullptr;
return;
return true;
}
if (event.type() == WSMessage::MouseMove) {
auto old_window_rect = m_drag_window->rect();
Point pos = m_drag_window_origin;
@ -680,11 +678,16 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& event_
m_drag_window->set_position_without_repaint(pos);
invalidate(outer_window_rect(old_window_rect));
invalidate(outer_window_rect(m_drag_window->rect()));
return;
}
return true;
}
return false;
}
bool WSWindowManager::process_ongoing_window_resize(WSMouseEvent& event, WSWindow*& event_window)
{
if (!m_resize_window)
return false;
if (m_resize_window) {
if (event.type() == WSMessage::MouseUp && event.button() == MouseButton::Right) {
#ifdef RESIZE_DEBUG
printf("[WM] Finish resizing WSWindow{%p}\n", m_resize_window.ptr());
@ -692,10 +695,12 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& event_
WSMessageLoop::the().post_message(*m_resize_window, make<WSResizeEvent>(m_resize_window->rect(), m_resize_window->rect()));
invalidate(*m_resize_window);
m_resize_window = nullptr;
return;
return true;
}
if (event.type() == WSMessage::MouseMove) {
if (event.type() != WSMessage::MouseMove)
return false;
auto old_rect = m_resize_window->rect();
int diff_x = event.x() - m_resize_origin.x();
@ -761,7 +766,7 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& event_
}
if (m_resize_window->rect() == new_rect)
return;
return true;
#ifdef RESIZE_DEBUG
dbgprintf("[WM] Resizing [original: %s] now: %s\n",
m_resize_window_original_rect.to_string().characters(),
@ -776,9 +781,18 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& event_
m_resize_window->set_last_lazy_resize_rect(new_rect);
WSMessageLoop::the().post_message(*m_resize_window, make<WSResizeEvent>(old_rect, new_rect));
}
return true;
}
void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& event_window)
{
event_window = nullptr;
if (process_ongoing_window_drag(event, event_window))
return;
if (process_ongoing_window_resize(event, event_window))
return;
}
}
for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
if (!window->global_cursor_tracking())

2
Servers/WindowServer/WSWindowManager.h
View file

@ -86,6 +86,8 @@ public:
private:
void process_mouse_event(WSMouseEvent&, WSWindow*& event_window);
bool process_ongoing_window_resize(WSMouseEvent&, WSWindow*& event_window);
bool process_ongoing_window_drag(WSMouseEvent&, WSWindow*& event_window);
void handle_menu_mouse_event(WSMenu&, WSMouseEvent&);
void handle_menubar_mouse_event(WSMouseEvent&);
void handle_close_button_mouse_event(WSWindow&, WSMouseEvent&);