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LibGUI+WindowServer: Add app-global keyboard shortcuts.

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This patch adds a GShortcut class. Each GAction can have a GShortcut which
will cause the event loop to listen for that key combination app-globally
and activate the event in case it's pressed.

The shortcut will also be displayed when the action is added to a menu.

Use this to hook up Alt+Up with the "open parent directory" action in the
FileManager app. :^)
This commit is contained in:
Andreas Kling 2019-03-02 10:04:49 +01:00
parent 5c0fca0a95
commit 596a5ce5a4
17 changed files with 263 additions and 17 deletions
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12
WindowServer/WSMenu.cpp
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@ -29,8 +29,13 @@ int WSMenu::width() const
{
int longest = 0;
for (auto& item : m_items) {
if (item->type() == WSMenuItem::Text)
longest = max(longest, font().width(item->text()));
if (item->type() == WSMenuItem::Text) {
int item_width = font().width(item->text());
if (!item->shortcut_text().is_empty())
item_width += padding_between_text_and_shortcut() + font().width(item->shortcut_text());
longest = max(longest, item_width);
}
}
return max(longest, rect_in_menubar().width()) + horizontal_padding();
@ -91,6 +96,9 @@ void WSMenu::draw()
text_color = Color::White;
}
painter.draw_text(item->rect().translated(left_padding(), 0), item->text(), TextAlignment::CenterLeft, text_color);
if (!item->shortcut_text().is_empty()) {
painter.draw_text(item->rect().translated(-right_padding(), 0), item->shortcut_text(), TextAlignment::CenterRight, text_color);
}
} else if (item->type() == WSMenuItem::Separator) {
Point p1(1, item->rect().center().y());
Point p2(width() - 2, item->rect().center().y());