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Applets/Keymap: Repaint applet on demand only

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Instead of poking into the the applet window backing store whenever
the keymap changes, we now drive the GUI updates properly via
update() and paint_event().

This fixes an issue where changing the system font would cause a
"ghosting" effect in the keymap applet.
This commit is contained in:
Andreas Kling 2023-03-03 22:46:01 +01:00
parent 66c04b98f1
commit 5979ce8316
3 changed files with 28 additions and 28 deletions
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23
Userland/Applets/Keymap/KeymapStatusWidget.cpp
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -8,10 +9,13 @@
#include <LibGUI/Action.h>
#include <LibGUI/ActionGroup.h>
#include <LibGUI/ConnectionToWindowManagerServer.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Process.h>
#include <LibGfx/Point.h>
#include <LibKeyboard/CharacterMap.h>
KeymapStatusWidget::KeymapStatusWidget() = default;
KeymapStatusWidget::~KeymapStatusWidget() = default;
void KeymapStatusWidget::mousedown_event(GUI::MouseEvent& event)
{
@ -59,15 +63,16 @@ ErrorOr<void> KeymapStatusWidget::refresh_menu()
return {};
}
void KeymapStatusWidget::set_current_keymap(DeprecatedString const& keymap, ClearBackground clear_background)
void KeymapStatusWidget::set_current_keymap(DeprecatedString const& keymap)
{
if (clear_background == ClearBackground::Yes) {
GUI::Painter painter(*this);
painter.clear_rect(rect(), Color::Transparent);
}
m_current_keymap = keymap;
set_tooltip(keymap);
set_text(keymap.substring(0, 2));
}
void KeymapStatusWidget::paint_event(GUI::PaintEvent& event)
{
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.clear_rect(event.rect(), Gfx::Color::Transparent);
painter.draw_text(rect(), m_current_keymap.substring_view(0, 2), Gfx::TextAlignment::Center);
}