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WindowServer: Expose window parent information and more modal improvements

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* The parent information is necessary by the Taskbar to be able to
  determine a modal window's parent
* Minimize and maximize modal window stacks together
This commit is contained in:
Tom 2020-07-15 17:40:52 -06:00 • committed by Andreas Kling
parent 2f731150a2
commit bbdf0665fc
8 changed files with 113 additions and 43 deletions
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30
Services/WindowServer/WindowManager.h
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@ -88,6 +88,7 @@ public:
void remove_window(Window&);
void notify_title_changed(Window&);
void notify_modal_unparented(Window&);
void notify_rect_changed(Window&, const Gfx::IntRect& oldRect, const Gfx::IntRect& newRect);
void notify_minimization_state_changed(Window&);
void notify_opacity_changed(Window&);
@ -181,6 +182,35 @@ public:
void start_menu_doubleclick(Window& window, const MouseEvent& event);
bool is_menu_doubleclick(Window& window, const MouseEvent& event) const;
void minimize_windows(Window&, bool);
void maximize_windows(Window&, bool);
template<typename Function>
void for_each_window_in_modal_stack(Window& window, Function f)
{
auto* blocking_modal_window = window.is_blocked_by_modal_window();
if (blocking_modal_window || window.is_modal()) {
Vector<Window*> modal_stack;
auto* modal_stack_top = blocking_modal_window ? blocking_modal_window : &window;
for (auto* parent = modal_stack_top->parent_window(); parent; parent = parent->parent_window()) {
if (parent->is_blocked_by_modal_window() != modal_stack_top)
break;
modal_stack.append(parent);
if (!parent->is_modal())
break;
}
if (!modal_stack.is_empty()) {
for (size_t i = modal_stack.size(); i > 0; i--) {
f(*modal_stack[i - 1], false);
}
}
f(*modal_stack_top, true);
} else {
// Not a modal window stack, just "iterate" over this window
f(window, true);
}
}
private:
NonnullRefPtr<Cursor> get_cursor(const String& name);
NonnullRefPtr<Cursor> get_cursor(const String& name, const Gfx::IntPoint& hotspot);