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serenity/Applications/QuickShow/main.cpp
Tom 27bd2eab22 LibWeb: Require parent window argument for MessageBox 
Since the vast majority of message boxes should be modal, require
the parent window to be passed in, which can be nullptr for the
rare case that they don't. By it being the first argument, the
default arguments also don't need to be explicitly stated in most
cases, and it encourages passing in a parent window handle.

Fix up several message boxes that should have been modal.
2020-07-16 16:10:21 +02:00

301 lines
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "QSWidget.h"
#include <AK/URL.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/MimeData.h>
#include <LibGUI/AboutDialog.h>
#include <LibGUI/Action.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Desktop.h>
#include <LibGUI/FilePicker.h>
#include <LibGUI/Label.h>
#include <LibGUI/Menu.h>
#include <LibGUI/MenuBar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/ToolBar.h>
#include <LibGUI/ToolBarContainer.h>
#include <LibGUI/Window.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Palette.h>
#include <LibGfx/Rect.h>
#include <spawn.h>
#include <stdio.h>
#include <string.h>
int main(int argc, char** argv)
{
if (pledge("stdio shared_buffer accept cpath rpath wpath unix cpath fattr proc exec thread", nullptr) < 0) {
perror("pledge");
return 1;
}
auto app = GUI::Application::construct(argc, argv);
if (pledge("stdio shared_buffer accept cpath rpath wpath proc exec thread", nullptr) < 0) {
perror("pledge");
return 1;
}
const char* path = nullptr;
Core::ArgsParser args_parser;
args_parser.add_positional_argument(path, "The image file to be displayed.", "file", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
auto window = GUI::Window::construct();
window->set_double_buffering_enabled(true);
window->set_rect(200, 200, 300, 200);
window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/filetype-image.png"));
window->set_title("QuickShow");
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& toolbar_container = root_widget.add<GUI::ToolBarContainer>();
auto& main_toolbar = toolbar_container.add<GUI::ToolBar>();
auto& widget = root_widget.add<QSWidget>();
widget.on_scale_change = [&](int scale, Gfx::IntRect rect) {
if (!widget.bitmap()) {
window->set_title("QuickShow");
return;
}
window->set_title(String::format("%s %s %d%% - QuickShow", widget.path().characters(), widget.bitmap()->size().to_string().characters(), scale));
if (window->is_fullscreen())
return;
if (window->is_maximized())
return;
auto w = max(window->width(), rect.width() + 4);
auto h = max(window->height(), rect.height() + widget.toolbar_height() + 6);
window->resize(w, h);
};
widget.on_drop = [&](auto& event) {
window->move_to_front();
if (event.mime_data().has_urls()) {
auto urls = event.mime_data().urls();
if (!urls.is_empty()) {
auto url = urls.first();
widget.load_from_file(url.path());
}
pid_t child;
for (size_t i = 1; i < urls.size(); ++i) {
const char* argv[] = { "/bin/QuickShow", urls[i].path().characters(), nullptr };
posix_spawn(&child, "/bin/QuickShow", nullptr, nullptr, const_cast<char**>(argv), environ);
}
}
};
widget.on_doubleclick = [&] {
window->set_fullscreen(!window->is_fullscreen());
toolbar_container.set_visible(!window->is_fullscreen());
};
// Actions
auto open_action = GUI::CommonActions::make_open_action(
[&](auto&) {
Optional<String> path = GUI::FilePicker::get_open_filepath(window, "Open image...");
if (path.has_value()) {
widget.load_from_file(path.value());
}
});
auto delete_action = GUI::CommonActions::make_delete_action(
[&](auto&) {
auto path = widget.path();
if (path.is_empty())
return;
auto msgbox_result = GUI::MessageBox::show(window,
String::format("Really delete %s?", path.characters()),
"Confirm deletion",
GUI::MessageBox::Type::Warning,
GUI::MessageBox::InputType::OKCancel);
if (msgbox_result == GUI::MessageBox::ExecCancel)
return;
auto unlink_result = unlink(widget.path().characters());
dbg() << "unlink_result::" << unlink_result;
if (unlink_result < 0) {
int saved_errno = errno;
GUI::MessageBox::show(window,
String::format("unlink(%s) failed: %s", path.characters(), strerror(saved_errno)),
"Delete failed",
GUI::MessageBox::Type::Error);
return;
}
widget.clear();
});
auto quit_action = GUI::CommonActions::make_quit_action(
[&](auto&) {
app->quit();
});
auto rotate_left_action = GUI::Action::create("Rotate Left", { Mod_None, Key_L },
[&](auto&) {
widget.rotate(Gfx::RotationDirection::Left);
});
auto rotate_right_action = GUI::Action::create("Rotate Right", { Mod_None, Key_R },
[&](auto&) {
widget.rotate(Gfx::RotationDirection::Right);
});
auto vertical_flip_action = GUI::Action::create("Vertical Flip", { Mod_None, Key_V },
[&](auto&) {
widget.flip(Gfx::Orientation::Vertical);
});
auto horizontal_flip_action = GUI::Action::create("Horizontal Flip", { Mod_None, Key_H },
[&](auto&) {
widget.flip(Gfx::Orientation::Horizontal);
});
auto desktop_wallpaper_action = GUI::Action::create("Set as desktop wallpaper",
[&](auto&) {
GUI::Desktop::the().set_wallpaper(widget.path());
});
auto go_first_action = GUI::Action::create("First", { Mod_None, Key_Home }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-first.png"),
[&](auto&) {
widget.navigate(QSWidget::Directions::First);
});
auto go_back_action = GUI::Action::create("Back", { Mod_None, Key_Left }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-back.png"),
[&](auto&) {
widget.navigate(QSWidget::Directions::Back);
});
auto go_forward_action = GUI::Action::create("Forward", { Mod_None, Key_Right }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-forward.png"),
[&](auto&) {
widget.navigate(QSWidget::Directions::Forward);
});
auto go_last_action = GUI::Action::create("Last", { Mod_None, Key_End }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-last.png"),
[&](auto&) {
widget.navigate(QSWidget::Directions::Last);
});
auto full_sceen_action = GUI::CommonActions::make_fullscreen_action(
[&](auto&) {
widget.on_doubleclick();
});
auto zoom_in_action = GUI::Action::create("Zoom In", { Mod_None, Key_Plus }, Gfx::Bitmap::load_from_file("/res/icons/16x16/zoom-in.png"),
[&](auto&) {
widget.set_scale(widget.scale() + 10);
});
auto zoom_reset_action = GUI::Action::create("Zoom 100%", { Mod_None, Key_0 }, Gfx::Bitmap::load_from_file("/res/icons/16x16/zoom-reset.png"),
[&](auto&) {
widget.set_scale(100);
});
auto zoom_out_action = GUI::Action::create("Zoom Out", { Mod_None, Key_Minus }, Gfx::Bitmap::load_from_file("/res/icons/16x16/zoom-out.png"),
[&](auto&) {
widget.set_scale(widget.scale() - 10);
});
auto hide_show_toolbar_action = GUI::Action::create("Hide/Show Toolbar", { Mod_Ctrl, Key_T },
[&](auto&) {
toolbar_container.set_visible(!toolbar_container.is_visible());
});
auto about_action = GUI::Action::create("About",
[&](auto&) {
GUI::AboutDialog::show("QuickShow", Gfx::Bitmap::load_from_file("/res/icons/32x32/filetype-image.png"), window);
});
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(zoom_reset_action);
main_toolbar.add_action(zoom_out_action);
auto menubar = GUI::MenuBar::construct();
auto& app_menu = menubar->add_menu("QuickShow");
app_menu.add_action(open_action);
app_menu.add_action(delete_action);
app_menu.add_separator();
app_menu.add_action(quit_action);
auto& image_menu = menubar->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& navigate_menu = menubar->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& view_menu = menubar->add_menu("View");
view_menu.add_action(full_sceen_action);
view_menu.add_separator();
view_menu.add_action(zoom_in_action);
view_menu.add_action(zoom_reset_action);
view_menu.add_action(zoom_out_action);
view_menu.add_separator();
view_menu.add_action(hide_show_toolbar_action);
auto& help_menu = menubar->add_menu("Help");
help_menu.add_action(about_action);
app->set_menubar(move(menubar));
if (path != nullptr) {
widget.load_from_file(path);
}
window->show();
return app->exec();
}
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