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LibGUI: Move action-from-key-event code to a separate function

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The logic that figures out which (if any) action should be activated
by a keydown event was getting a bit unwieldy. This patch moves it to
a separate helper function.
This commit is contained in:
Andreas Kling 2021-05-12 20:51:45 +02:00
parent 91eda22208
commit 8c7bce818d
1 changed files with 29 additions and 24 deletions
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53
Userland/Libraries/LibGUI/WindowServerConnection.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -111,6 +111,33 @@ void WindowServerConnection::window_left(i32 window_id)
Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowLeft));
}
static Action* action_for_key_event(Window& window, KeyEvent const& event)
{
dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, "Looking up action for {}", event.to_string());
for (auto* widget = window.focused_widget(); widget; widget = widget->parent_widget()) {
if (auto* action = widget->action_for_key_event(event)) {
dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Focused widget {} gave action: {}", *widget, action);
return action;
}
}
if (auto* action = window.action_for_key_event(event)) {
dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Asked window {}, got action: {}", window, action);
return action;
}
// NOTE: Application-global shortcuts are ignored while a modal window is up.
if (!window.is_modal()) {
if (auto* action = Application::the()->action_for_key_event(event)) {
dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Asked application, got action: {}", action);
return action;
}
}
return nullptr;
}
void WindowServerConnection::key_down(i32 window_id, u32 code_point, u32 key, u32 modifiers, u32 scancode)
{
auto* window = Window::from_window_id(window_id);
@ -118,30 +145,8 @@ void WindowServerConnection::key_down(i32 window_id, u32 code_point, u32 key, u3
return;
auto key_event = make<KeyEvent>(Event::KeyDown, (KeyCode)key, modifiers, code_point, scancode);
Action* action = nullptr;
dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, "Looking up action for {}", key_event->to_string());
if (auto* focused_widget = window->focused_widget()) {
for (auto* widget = focused_widget; widget && !action; widget = widget->parent_widget()) {
action = widget->action_for_key_event(*key_event);
dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Focused widget {} gave action: {}", *widget, action);
}
}
if (!action) {
action = window->action_for_key_event(*key_event);
dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Asked window {}, got action: {}", *window, action);
}
// NOTE: Application-global shortcuts are ignored while a modal window is up.
if (!action && !window->is_modal()) {
action = Application::the()->action_for_key_event(*key_event);
dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Asked application, got action: {}", action);
}
if (action) {
if (auto* action = action_for_key_event(*window, *key_event)) {
if (action->is_enabled()) {
action->activate();
return;