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