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ImageViewer: TRY all the things

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Junior Rantila 2021-12-29 22:19:48 +01:00 committed by Andreas Kling
parent 9a38d1de07
commit 9a2aad9eca
Notes: sideshowbarker 2024-07-17 21:32:40 +09:00 
Author: https://github.com/juniorrantila
Commit: https://github.com/SerenityOS/serenity/commit/9a2aad9ecad
Pull-request: https://github.com/SerenityOS/serenity/pull/11492
1 changed files with 96 additions and 96 deletions
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192
Userland/Applications/ImageViewer/main.cpp
View File

@ -56,32 +56,32 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
window->set_icon(app_icon.bitmap_for_size(16));
window->set_title("Image Viewer");
auto& root_widget = window->set_main_widget<GUI::Widget>();
root_widget.set_fill_with_background_color(true);
root_widget.set_layout<GUI::VerticalBoxLayout>();
root_widget.layout()->set_spacing(2);
auto root_widget = TRY(window->try_set_main_widget<GUI::Widget>());
root_widget->set_fill_with_background_color(true);
root_widget->set_layout<GUI::VerticalBoxLayout>();
root_widget->layout()->set_spacing(2);
auto& toolbar_container = root_widget.add<GUI::ToolbarContainer>();
auto& main_toolbar = toolbar_container.add<GUI::Toolbar>();
auto toolbar_container = TRY(root_widget->try_add<GUI::ToolbarContainer>());
auto main_toolbar = TRY(toolbar_container->try_add<GUI::Toolbar>());
auto& widget = root_widget.add<ViewWidget>();
auto widget = TRY(root_widget->try_add<ViewWidget>());
if (path) {
widget.set_path(path);
widget->set_path(path);
}
widget.on_scale_change = [&](float scale) {
if (!widget.bitmap()) {
widget->on_scale_change = [&](float scale) {
if (!widget->bitmap()) {
window->set_title("Image Viewer");
return;
}
window->set_title(String::formatted("{} {} {}% - Image Viewer", widget.path(), widget.bitmap()->size().to_string(), (int)(scale * 100)));
window->set_title(String::formatted("{} {} {}% - Image Viewer", widget->path(), widget->bitmap()->size().to_string(), (int)(scale * 100)));
if (scale == 100 && !widget.scaled_for_first_image()) {
widget.set_scaled_for_first_image(true);
widget.resize_window();
if (scale == 100 && !widget->scaled_for_first_image()) {
widget->set_scaled_for_first_image(true);
widget->resize_window();
}
};
widget.on_drop = [&](auto& event) {
widget->on_drop = [&](auto& event) {
if (!event.mime_data().has_urls())
return;
@ -93,17 +93,17 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
window->move_to_front();
auto path = urls.first().path();
widget.set_path(path);
widget.load_from_file(path);
widget->set_path(path);
widget->load_from_file(path);
for (size_t i = 1; i < urls.size(); ++i) {
Desktop::Launcher::open(URL::create_with_file_protocol(urls[i].path().characters()), "/bin/ImageViewer");
}
};
widget.on_doubleclick = [&] {
widget->on_doubleclick = [&] {
window->set_fullscreen(!window->is_fullscreen());
toolbar_container.set_visible(!window->is_fullscreen());
widget.set_frame_thickness(window->is_fullscreen() ? 0 : 2);
toolbar_container->set_visible(!window->is_fullscreen());
widget->set_frame_thickness(window->is_fullscreen() ? 0 : 2);
};
// Actions
@ -111,14 +111,14 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
[&](auto&) {
auto path = GUI::FilePicker::get_open_filepath(window, "Open Image");
if (path.has_value()) {
widget.set_path(path.value());
widget.load_from_file(path.value());
widget->set_path(path.value());
widget->load_from_file(path.value());
}
});
auto delete_action = GUI::CommonActions::make_delete_action(
[&](auto&) {
auto path = widget.path();
auto path = widget->path();
if (path.is_empty())
return;
@ -131,7 +131,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
if (msgbox_result == GUI::MessageBox::ExecCancel)
return;
auto unlinked_or_error = Core::System::unlink(widget.path());
auto unlinked_or_error = Core::System::unlink(widget->path());
if (unlinked_or_error.is_error()) {
GUI::MessageBox::show(window,
String::formatted("unlink({}) failed: {}", path, unlinked_or_error.error()),
@ -141,7 +141,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
return;
}
widget.clear();
widget->clear();
});
auto quit_action = GUI::CommonActions::make_quit_action(
@ -151,95 +151,95 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
auto rotate_left_action = GUI::Action::create("Rotate &Left", { Mod_None, Key_L },
[&](auto&) {
widget.rotate(Gfx::RotationDirection::CounterClockwise);
widget->rotate(Gfx::RotationDirection::CounterClockwise);
});
auto rotate_right_action = GUI::Action::create("Rotate &Right", { Mod_None, Key_R },
[&](auto&) {
widget.rotate(Gfx::RotationDirection::Clockwise);
widget->rotate(Gfx::RotationDirection::Clockwise);
});
auto vertical_flip_action = GUI::Action::create("Flip &Vertically", { Mod_None, Key_V },
[&](auto&) {
widget.flip(Gfx::Orientation::Vertical);
widget->flip(Gfx::Orientation::Vertical);
});
auto horizontal_flip_action = GUI::Action::create("Flip &Horizontally", { Mod_None, Key_H },
[&](auto&) {
widget.flip(Gfx::Orientation::Horizontal);
widget->flip(Gfx::Orientation::Horizontal);
});
auto desktop_wallpaper_action = GUI::Action::create("Set as Desktop &Wallpaper",
[&](auto&) {
GUI::Desktop::the().set_wallpaper(widget.path());
GUI::Desktop::the().set_wallpaper(widget->path());
});
auto go_first_action = GUI::Action::create("&Go to First", { Mod_None, Key_Home }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-first.png").release_value_but_fixme_should_propagate_errors(),
auto go_first_action = GUI::Action::create("&Go to First", { Mod_None, Key_Home }, TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-first.png")),
[&](auto&) {
widget.navigate(ViewWidget::Directions::First);
widget->navigate(ViewWidget::Directions::First);
});
auto go_back_action = GUI::Action::create("Go &Back", { Mod_None, Key_Left }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-back.png").release_value_but_fixme_should_propagate_errors(),
auto go_back_action = GUI::Action::create("Go &Back", { Mod_None, Key_Left }, TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-back.png")),
[&](auto&) {
widget.navigate(ViewWidget::Directions::Back);
widget->navigate(ViewWidget::Directions::Back);
});
auto go_forward_action = GUI::Action::create("Go &Forward", { Mod_None, Key_Right }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-forward.png").release_value_but_fixme_should_propagate_errors(),
auto go_forward_action = GUI::Action::create("Go &Forward", { Mod_None, Key_Right }, TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-forward.png")),
[&](auto&) {
widget.navigate(ViewWidget::Directions::Forward);
widget->navigate(ViewWidget::Directions::Forward);
});
auto go_last_action = GUI::Action::create("Go to &Last", { Mod_None, Key_End }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-last.png").release_value_but_fixme_should_propagate_errors(),
auto go_last_action = GUI::Action::create("Go to &Last", { Mod_None, Key_End }, TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-last.png")),
[&](auto&) {
widget.navigate(ViewWidget::Directions::Last);
widget->navigate(ViewWidget::Directions::Last);
});
auto full_screen_action = GUI::CommonActions::make_fullscreen_action(
[&](auto&) {
widget.on_doubleclick();
widget->on_doubleclick();
});
auto zoom_in_action = GUI::CommonActions::make_zoom_in_action(
[&](auto&) {
widget.set_scale(widget.scale() * 1.44f);
widget->set_scale(widget->scale() * 1.44f);
},
window);
auto reset_zoom_action = GUI::CommonActions::make_reset_zoom_action(
[&](auto&) {
widget.set_scale(1.f);
widget->set_scale(1.f);
},
window);
auto zoom_out_action = GUI::CommonActions::make_zoom_out_action(
[&](auto&) {
widget.set_scale(widget.scale() / 1.44f);
widget->set_scale(widget->scale() / 1.44f);
},
window);
auto hide_show_toolbar_action = GUI::Action::create("Hide/Show &Toolbar", { Mod_Ctrl, Key_T },
[&](auto&) {
toolbar_container.set_visible(!toolbar_container.is_visible());
toolbar_container->set_visible(!toolbar_container->is_visible());
});
auto copy_action = GUI::CommonActions::make_copy_action([&](auto&) {
if (widget.bitmap())
GUI::Clipboard::the().set_bitmap(*widget.bitmap());
if (widget->bitmap())
GUI::Clipboard::the().set_bitmap(*widget->bitmap());
});
auto nearest_neighbor_action = GUI::Action::create_checkable("&Nearest Neighbor", [&](auto&) {
widget.set_scaling_mode(Gfx::Painter::ScalingMode::NearestNeighbor);
widget->set_scaling_mode(Gfx::Painter::ScalingMode::NearestNeighbor);
});
nearest_neighbor_action->set_checked(true);
auto bilinear_action = GUI::Action::create_checkable("&Bilinear", [&](auto&) {
widget.set_scaling_mode(Gfx::Painter::ScalingMode::BilinearBlend);
widget->set_scaling_mode(Gfx::Painter::ScalingMode::BilinearBlend);
});
widget.on_image_change = [&](const Gfx::Bitmap* bitmap) {
widget->on_image_change = [&](const Gfx::Bitmap* bitmap) {
bool should_enable_image_actions = (bitmap != nullptr);
bool should_enable_forward_actions = (widget.is_next_available() && should_enable_image_actions);
bool should_enable_backward_actions = (widget.is_previous_available() && should_enable_image_actions);
bool should_enable_forward_actions = (widget->is_next_available() && should_enable_image_actions);
bool should_enable_backward_actions = (widget->is_previous_available() && should_enable_image_actions);
delete_action->set_enabled(should_enable_image_actions);
rotate_left_action->set_enabled(should_enable_image_actions);
rotate_right_action->set_enabled(should_enable_image_actions);
@ -260,69 +260,69 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
}
};
main_toolbar.add_action(open_action);
main_toolbar.add_action(delete_action);
main_toolbar.add_separator();
main_toolbar.add_action(go_first_action);
main_toolbar.add_action(go_back_action);
main_toolbar.add_action(go_forward_action);
main_toolbar.add_action(go_last_action);
main_toolbar.add_separator();
main_toolbar.add_action(zoom_in_action);
main_toolbar.add_action(reset_zoom_action);
main_toolbar.add_action(zoom_out_action);
(void)TRY(main_toolbar->try_add_action(open_action));
(void)TRY(main_toolbar->try_add_action(delete_action));
(void)TRY(main_toolbar->try_add_separator());
(void)TRY(main_toolbar->try_add_action(go_first_action));
(void)TRY(main_toolbar->try_add_action(go_back_action));
(void)TRY(main_toolbar->try_add_action(go_forward_action));
(void)TRY(main_toolbar->try_add_action(go_last_action));
(void)TRY(main_toolbar->try_add_separator());
(void)TRY(main_toolbar->try_add_action(zoom_in_action));
(void)TRY(main_toolbar->try_add_action(reset_zoom_action));
(void)TRY(main_toolbar->try_add_action(zoom_out_action));
auto& file_menu = window->add_menu("&File");
file_menu.add_action(open_action);
file_menu.add_action(delete_action);
file_menu.add_separator();
file_menu.add_action(quit_action);
auto file_menu = TRY(window->try_add_menu("&File"));
TRY(file_menu->try_add_action(open_action));
TRY(file_menu->try_add_action(delete_action));
TRY(file_menu->try_add_separator());
TRY(file_menu->try_add_action(quit_action));
auto& image_menu = window->add_menu("&Image");
image_menu.add_action(rotate_left_action);
image_menu.add_action(rotate_right_action);
image_menu.add_action(vertical_flip_action);
image_menu.add_action(horizontal_flip_action);
image_menu.add_separator();
image_menu.add_action(desktop_wallpaper_action);
auto image_menu = TRY(window->try_add_menu("&Image"));
TRY(image_menu->try_add_action(rotate_left_action));
TRY(image_menu->try_add_action(rotate_right_action));
TRY(image_menu->try_add_action(vertical_flip_action));
TRY(image_menu->try_add_action(horizontal_flip_action));
TRY(image_menu->try_add_separator());
TRY(image_menu->try_add_action(desktop_wallpaper_action));
auto& navigate_menu = window->add_menu("&Navigate");
navigate_menu.add_action(go_first_action);
navigate_menu.add_action(go_back_action);
navigate_menu.add_action(go_forward_action);
navigate_menu.add_action(go_last_action);
auto navigate_menu = TRY(window->try_add_menu("&Navigate"));
TRY(navigate_menu->try_add_action(go_first_action));
TRY(navigate_menu->try_add_action(go_back_action));
TRY(navigate_menu->try_add_action(go_forward_action));
TRY(navigate_menu->try_add_action(go_last_action));
auto& view_menu = window->add_menu("&View");
view_menu.add_action(full_screen_action);
view_menu.add_separator();
view_menu.add_action(zoom_in_action);
view_menu.add_action(reset_zoom_action);
view_menu.add_action(zoom_out_action);
view_menu.add_separator();
auto view_menu = TRY(window->try_add_menu("&View"));
TRY(view_menu->try_add_action(full_screen_action));
TRY(view_menu->try_add_separator());
TRY(view_menu->try_add_action(zoom_in_action));
TRY(view_menu->try_add_action(reset_zoom_action));
TRY(view_menu->try_add_action(zoom_out_action));
TRY(view_menu->try_add_separator());
auto& scaling_mode_menu = view_menu.add_submenu("&Scaling Mode");
auto scaling_mode_menu = TRY(view_menu->try_add_submenu("&Scaling Mode"));
auto scaling_mode_group = make<GUI::ActionGroup>();
scaling_mode_group->set_exclusive(true);
scaling_mode_group->add_action(*nearest_neighbor_action);
scaling_mode_group->add_action(*bilinear_action);
scaling_mode_menu.add_action(nearest_neighbor_action);
scaling_mode_menu.add_action(bilinear_action);
TRY(scaling_mode_menu->try_add_action(nearest_neighbor_action));
TRY(scaling_mode_menu->try_add_action(bilinear_action));
view_menu.add_separator();
view_menu.add_action(hide_show_toolbar_action);
TRY(view_menu->try_add_separator());
TRY(view_menu->try_add_action(hide_show_toolbar_action));
auto& help_menu = window->add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_help_action([](auto&) {
auto help_menu = TRY(window->try_add_menu("&Help"));
TRY(help_menu->try_add_action(GUI::CommonActions::make_help_action([](auto&) {
Desktop::Launcher::open(URL::create_with_file_protocol("/usr/share/man/man1/ImageViewer.md"), "/bin/Help");
}));
help_menu.add_action(GUI::CommonActions::make_about_action("Image Viewer", app_icon, window));
})));
TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("Image Viewer", app_icon, window)));
if (path != nullptr) {
widget.load_from_file(path);
widget->load_from_file(path);
} else {
widget.clear();
widget->clear();
}
window->show();