ladybird/Libraries/LibGUI/EmojiInputDialog.cpp
Sergey Bugaev 602c3fdb3a AK: Rename FileSystemPath -> LexicalPath
And move canonicalized_path() to a static method on LexicalPath.

This is to make it clear that FileSystemPath/canonicalized_path() only
perform *lexical* canonicalization.
2020-05-26 14:35:10 +02:00

110 lines
4.1 KiB
C++

/*
* Copyright (c) 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 <AK/LexicalPath.h>
#include <AK/StringBuilder.h>
#include <AK/Utf32View.h>
#include <LibCore/DirIterator.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/EmojiInputDialog.h>
#include <LibGUI/Event.h>
#include <LibGUI/Frame.h>
#include <stdlib.h>
namespace GUI {
static Vector<u32> supported_emoji_codepoints()
{
Vector<u32> codepoints;
Core::DirIterator dt("/res/emoji", Core::DirIterator::SkipDots);
while (dt.has_next()) {
auto filename = dt.next_path();
auto lexical_path = LexicalPath(filename);
if (lexical_path.extension() != "png")
continue;
auto basename = lexical_path.basename();
if (!basename.starts_with("U+"))
continue;
u32 codepoint = strtoul(basename.characters() + 2, nullptr, 16);
codepoints.append(codepoint);
}
return codepoints;
}
EmojiInputDialog::EmojiInputDialog(Window* parent_window)
: Dialog(parent_window)
{
set_frameless(true);
auto& main_widget = set_main_widget<Frame>();
main_widget.set_frame_shape(Gfx::FrameShape::Container);
main_widget.set_frame_shadow(Gfx::FrameShadow::Raised);
main_widget.set_fill_with_background_color(true);
auto& main_layout = main_widget.set_layout<VerticalBoxLayout>();
main_layout.set_spacing(0);
auto codepoints = supported_emoji_codepoints();
size_t index = 0;
size_t columns = 6;
size_t rows = ceil_div(codepoints.size(), columns);
for (size_t row = 0; row < rows && index < codepoints.size(); ++row) {
auto& horizontal_container = main_widget.add<Widget>();
auto& horizontal_layout = horizontal_container.set_layout<HorizontalBoxLayout>();
horizontal_layout.set_spacing(0);
for (size_t column = 0; column < columns; ++column) {
if (index < codepoints.size()) {
StringBuilder builder;
builder.append(Utf32View(&codepoints[index++], 1));
auto emoji_text = builder.to_string();
auto& button = horizontal_container.add<Button>(emoji_text);
button.set_button_style(Gfx::ButtonStyle::CoolBar);
button.on_click = [this, button = &button](auto) {
m_selected_emoji_text = button->text();
done(ExecOK);
};
} else {
horizontal_container.add<Widget>();
}
}
}
}
void EmojiInputDialog::event(Core::Event& event)
{
if (event.type() == Event::KeyDown) {
auto& key_event = static_cast<KeyEvent&>(event);
if (key_event.key() == Key_Escape) {
done(ExecCancel);
return;
}
}
Dialog::event(event);
}
}