system/serenity
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Screensaver: Use TRY() a lot more :^)

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pbrw 2021-11-25 02:56:48 +01:00 committed by Andreas Kling
parent 14081b8a92
commit 9e3bc3f930
2 changed files with 14 additions and 26 deletions
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2
Userland/Demos/Screensaver/CMakeLists.txt
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@ -8,4 +8,4 @@ set(SOURCES
)
serenity_app(Screensaver ICON app-screensaver)
target_link_libraries(Screensaver LibGUI LibCore LibGfx)
target_link_libraries(Screensaver LibGUI LibCore LibGfx LibMain)

38
Userland/Demos/Screensaver/Screensaver.cpp
View file

@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/System.h>
#include <LibGUI/Application.h>
#include <LibGUI/Event.h>
#include <LibGUI/Icon.h>
@ -11,6 +12,7 @@
#include <LibGUI/Widget.h>
#include <LibGUI/Window.h>
#include <LibGfx/Bitmap.h>
#include <LibMain/Main.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
@ -110,32 +112,18 @@ void Screensaver::draw()
colors[end_color_index]);
}
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
if (pledge("stdio rpath recvfd sendfd unix", nullptr) < 0) {
perror("pledge");
return 1;
}
TRY(Core::System::pledge("stdio rpath recvfd sendfd unix", nullptr));
auto app = GUI::Application::construct(argc, argv);
auto app = TRY(GUI::Application::try_create(arguments));
if (pledge("stdio rpath recvfd sendfd", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/res", "r") < 0) {
perror("unveil");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
TRY(Core::System::pledge("stdio rpath recvfd sendfd", nullptr));
TRY(Core::System::unveil("/res", "r"));
TRY(Core::System::unveil(nullptr, nullptr));
auto app_icon = GUI::Icon::default_icon("app-screensaver");
auto window = GUI::Window::construct();
auto window = TRY(GUI::Window::try_create());
window->set_double_buffering_enabled(false);
window->set_title("Screensaver");
window->set_resizable(false);
@ -144,10 +132,10 @@ int main(int argc, char** argv)
window->set_minimizable(false);
window->set_icon(app_icon.bitmap_for_size(16));
auto& screensaver_window = window->set_main_widget<Screensaver>(64, 48, 10000);
screensaver_window.set_fill_with_background_color(false);
screensaver_window.set_override_cursor(Gfx::StandardCursor::Hidden);
screensaver_window.update();
auto screensaver_window = TRY(window->try_set_main_widget<Screensaver>(64, 48, 10000));
screensaver_window->set_fill_with_background_color(false);
screensaver_window->set_override_cursor(Gfx::StandardCursor::Hidden);
screensaver_window->update();
window->show();
window->move_to_front();