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main.cpp
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main.cpp
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/*
* Copyright (c) 2018-2020, Andreas Kling <[email protected]>
* 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/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 <stdio.h>
#include <string.h>
int main(int argc, char** argv)
{
if (pledge("stdio shared_buffer accept cpath rpath unix cpath fattr proc exec thread", nullptr) < 0) {
perror("pledge");
return 1;
}
GUI::Application app(argc, argv);
if (pledge("stdio shared_buffer accept cpath rpath 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"));
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) {
if (widget.bitmap())
window->set_title(String::format("%s %s %d%% - QuickShow", widget.path().characters(), widget.bitmap()->size().to_string().characters(), scale));
else
window->set_title("QuickShow");
};
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());
}
for (size_t i = 1; i < urls.size(); ++i) {
if (fork() == 0) {
execl("/bin/QuickShow", "/bin/QuickShow", urls[i].path().characters(), nullptr);
ASSERT_NOT_REACHED();
}
}
}
};
// Actions
auto open_action = GUI::CommonActions::make_open_action(
[&](auto&) {
Optional<String> path = GUI::FilePicker::get_open_filepath("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(String::format("Really delete %s?", path.characters()),
"Confirm deletion",
GUI::MessageBox::Type::Warning,
GUI::MessageBox::InputType::OKCancel,
window);
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(String::format("unlink(%s) failed: %s", path.characters(), strerror(saved_errno)),
"Delete failed",
GUI::MessageBox::Type::Error,
GUI::MessageBox::InputType::OK,
window);
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 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&) {
window->set_fullscreen(!window->is_fullscreen());
toolbar_container.set_visible(!window->is_fullscreen());
});
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 },
[&](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_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);
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);
}
widget.on_scale_change(100);
window->show();
return app.exec();
}