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WindowServer: Add basic virtual desktop support

This creates a 2-dimensional array of WindowStack instances, one for
each virtual desktop. The main desktop 0,0 is the main desktop, which
is the desktop used for all stationary windows (e.g. taskbar, desktop).
When adding windows to a desktop, stationary windows are always added
to the main desktop.

When composing the desktop, there are usually two WindowStacks
involved. For stationary windows, the main desktop will be traversed,
and for everything else the current virtual desktop will be iterated.
Iteration is interweaved to preserve the correct order. During the
transition animation, two WindowStacks will be iterated at the same
time.
This commit is contained in:
Tom 2021-06-29 19:51:26 -06:00 committed by Andreas Kling
parent 944e5cfb35
commit 584b144953
11 changed files with 900 additions and 213 deletions

View file

@ -10,9 +10,11 @@
namespace WindowServer {
class Compositor;
class WindowStack {
public:
WindowStack();
WindowStack(unsigned row, unsigned column);
~WindowStack();
bool is_empty() const { return m_windows.is_empty(); }
@ -25,11 +27,8 @@ public:
No,
};
Window* window_at(Gfx::IntPoint const&, IncludeWindowFrame = IncludeWindowFrame::Yes) const;
Window* highlight_window() const;
template<typename Callback>
IterationDecision for_each_visible_window_from_back_to_front(Callback);
template<typename Callback>
IterationDecision for_each_visible_window_from_front_to_back(Callback);
template<typename Callback>
IterationDecision for_each_visible_window_of_type_from_front_to_back(WindowType, Callback, bool ignore_highlight = false);
template<typename Callback>
@ -42,26 +41,51 @@ public:
Window::List& windows() { return m_windows; }
Window* highlight_window() { return m_highlight_window; }
Window const* highlight_window() const { return m_highlight_window; }
void set_highlight_window(Window*);
Window* active_window() { return m_active_window; }
Window const* active_window() const { return m_active_window; }
void set_active_window(Window*);
Window* active_input_window() { return m_active_input_window; }
Window const* active_input_window() const { return m_active_input_window; }
void set_active_input_window(Window* window) { m_active_input_window = window; }
Window* active_input_tracking_window() { return m_active_input_tracking_window; }
Window const* active_input_tracking_window() const { return m_active_input_tracking_window; }
void set_active_input_tracking_window(Window* window) { m_active_input_tracking_window = window; }
Optional<HitTestResult> hit_test(Gfx::IntPoint const&) const;
unsigned row() const { return m_row; }
unsigned column() const { return m_column; }
void set_transition_offset(Badge<Compositor>, Gfx::IntPoint const& transition_offset) { m_transition_offset = transition_offset; }
Gfx::IntPoint const& transition_offset() const { return m_transition_offset; }
void set_stationary_window_stack(WindowStack& window_stack) { m_stationary_window_stack = &window_stack; }
WindowStack& stationary_window_stack()
{
VERIFY(m_stationary_window_stack);
return *m_stationary_window_stack;
}
void set_all_occluded(bool);
private:
WeakPtr<Window> m_highlight_window;
WeakPtr<Window> m_active_window;
WeakPtr<Window> m_active_input_window;
WeakPtr<Window> m_active_input_tracking_window;
Window::List m_windows;
unsigned m_row { 0 };
unsigned m_column { 0 };
Gfx::IntPoint m_transition_offset;
WindowStack* m_stationary_window_stack { nullptr };
};
template<typename Callback>
inline IterationDecision WindowStack::for_each_visible_window_of_type_from_back_to_front(WindowType type, Callback callback, bool ignore_highlight)
{
auto* highlight_window = this->highlight_window();
bool do_highlight_window_at_end = false;
for (auto& window : m_windows) {
if (!window.is_visible())
@ -70,7 +94,7 @@ inline IterationDecision WindowStack::for_each_visible_window_of_type_from_back_
continue;
if (window.type() != type)
continue;
if (!ignore_highlight && m_highlight_window == &window) {
if (!ignore_highlight && highlight_window == &window) {
do_highlight_window_at_end = true;
continue;
}
@ -78,7 +102,7 @@ inline IterationDecision WindowStack::for_each_visible_window_of_type_from_back_
return IterationDecision::Break;
}
if (do_highlight_window_at_end) {
if (callback(*m_highlight_window) == IterationDecision::Break)
if (callback(*highlight_window) == IterationDecision::Break)
return IterationDecision::Break;
}
return IterationDecision::Continue;
@ -87,8 +111,9 @@ inline IterationDecision WindowStack::for_each_visible_window_of_type_from_back_
template<typename Callback>
inline IterationDecision WindowStack::for_each_visible_window_of_type_from_front_to_back(WindowType type, Callback callback, bool ignore_highlight)
{
if (!ignore_highlight && m_highlight_window && m_highlight_window->type() == type && m_highlight_window->is_visible()) {
if (callback(*m_highlight_window) == IterationDecision::Break)
auto* highlight_window = this->highlight_window();
if (!ignore_highlight && highlight_window && highlight_window->type() == type && highlight_window->is_visible()) {
if (callback(*highlight_window) == IterationDecision::Break)
return IterationDecision::Break;
}
@ -101,7 +126,7 @@ inline IterationDecision WindowStack::for_each_visible_window_of_type_from_front
continue;
if (window.type() != type)
continue;
if (!ignore_highlight && &window == m_highlight_window)
if (!ignore_highlight && &window == highlight_window)
continue;
if (callback(window) == IterationDecision::Break)
return IterationDecision::Break;
@ -120,55 +145,12 @@ inline void WindowStack::for_each_window(Callback callback)
}
}
template<typename Callback>
inline IterationDecision WindowStack::for_each_visible_window_from_back_to_front(Callback callback)
{
if (for_each_visible_window_of_type_from_back_to_front(WindowType::Desktop, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WindowType::Normal, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WindowType::ToolWindow, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WindowType::Taskbar, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WindowType::AppletArea, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WindowType::Notification, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WindowType::Tooltip, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WindowType::Menu, callback) == IterationDecision::Break)
return IterationDecision::Break;
return for_each_visible_window_of_type_from_back_to_front(WindowType::WindowSwitcher, callback);
}
template<typename Callback>
inline IterationDecision WindowStack::for_each_visible_window_from_front_to_back(Callback callback)
{
if (for_each_visible_window_of_type_from_front_to_back(WindowType::WindowSwitcher, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WindowType::Menu, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WindowType::Tooltip, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WindowType::Notification, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WindowType::AppletArea, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WindowType::Taskbar, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WindowType::ToolWindow, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WindowType::Normal, callback) == IterationDecision::Break)
return IterationDecision::Break;
return for_each_visible_window_of_type_from_front_to_back(WindowType::Desktop, callback);
}
template<typename Callback>
inline IterationDecision WindowStack::for_each_window_of_type_from_front_to_back(WindowType type, Callback callback, bool ignore_highlight)
{
if (!ignore_highlight && m_highlight_window && m_highlight_window->type() == type && m_highlight_window->is_visible()) {
if (callback(*m_highlight_window) == IterationDecision::Break)
auto* highlight_window = this->highlight_window();
if (!ignore_highlight && highlight_window && highlight_window->type() == type && highlight_window->is_visible()) {
if (callback(*highlight_window) == IterationDecision::Break)
return IterationDecision::Break;
}
@ -177,7 +159,7 @@ inline IterationDecision WindowStack::for_each_window_of_type_from_front_to_back
auto& window = *reverse_iterator;
if (window.type() != type)
continue;
if (!ignore_highlight && &window == m_highlight_window)
if (!ignore_highlight && &window == highlight_window)
continue;
if (callback(window) == IterationDecision::Break)
return IterationDecision::Break;