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LibGUI: Add and use Window::center_on_screen()

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Various applications were using the same slightly verbose code to center
themselves on the screen/desktop:

Gfx::IntRect window_rect { 0, 0, width, height };
window_rect.center_within(GUI::Desktop::the().rect());
window->set_rect(window_rect);

Which now becomes:

window->resize(width, height);
window->center_on_screen();
This commit is contained in:
Linus Groh 2020-08-15 16:32:11 +02:00 • committed by Andreas Kling
parent 5f724b6ca1
commit 0cab3bca2f
6 changed files with 18 additions and 16 deletions
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6
Services/SystemMenu/ShutdownDialog.cpp
View file

@ -29,7 +29,6 @@
#include <AK/Vector.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/Desktop.h>
#include <LibGUI/Label.h>
#include <LibGUI/RadioButton.h>
#include <LibGUI/Widget.h>
@ -62,9 +61,8 @@ Vector<char const*> ShutdownDialog::show()
ShutdownDialog::ShutdownDialog()
: Dialog(nullptr)
{
Gfx::IntRect rect({ 0, 0, 180, 180 + ((static_cast<int>(options.size()) - 3) * 16) });
rect.center_within(GUI::Desktop::the().rect());
set_rect(rect);
resize(180, 180 + ((static_cast<int>(options.size()) - 3) * 16));
center_on_screen();
set_resizable(false);
set_title("SerenityOS");
set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/power.png"));