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MainWidget.cpp
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/*
* Copyright (c) 2018-2020, Andreas Kling <[email protected]>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "MainWidget.h"
#include "GlyphEditorWidget.h"
#include "NewFontDialog.h"
#include <AK/Array.h>
#include <AK/ScopeGuard.h>
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <AK/StringUtils.h>
#include <Applications/FontEditor/FontEditorWindowGML.h>
#include <Applications/FontEditor/FontPreviewWindowGML.h>
#include <LibConfig/Client.h>
#include <LibDesktop/Launcher.h>
#include <LibFileSystemAccessClient/Client.h>
#include <LibGUI/Action.h>
#include <LibGUI/Application.h>
#include <LibGUI/Button.h>
#include <LibGUI/CheckBox.h>
#include <LibGUI/Clipboard.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/FilePicker.h>
#include <LibGUI/GlyphMapWidget.h>
#include <LibGUI/GroupBox.h>
#include <LibGUI/InputBox.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/Label.h>
#include <LibGUI/ListView.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Menubar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/SpinBox.h>
#include <LibGUI/Statusbar.h>
#include <LibGUI/TextBox.h>
#include <LibGUI/ToolbarContainer.h>
#include <LibGUI/Window.h>
#include <LibGfx/Font/BitmapFont.h>
#include <LibGfx/Font/Emoji.h>
#include <LibGfx/Font/FontStyleMapping.h>
#include <LibGfx/TextDirection.h>
#include <LibUnicode/CharacterTypes.h>
namespace FontEditor {
Resources g_resources;
static constexpr Array pangrams = {
"quick fox jumps nightly above wizard"sv,
"five quacking zephyrs jolt my wax bed"sv,
"pack my box with five dozen liquor jugs"sv,
"quick brown fox jumps over the lazy dog"sv,
"waxy and quivering jocks fumble the pizza"sv,
"~#:[@_1%]*{$2.3}/4^(5'6\")-&|7+8!=<9,0\\>?;"sv,
"byxfjΓ€rmat fΓΆl gick pΓ₯ duvshowen"sv,
"ο£ο£ο£ ο£ο£ ο£ο£¦ο£ο£ο£© ο£ο£ο£’ο£ο£ο£’ ο£’ο£₯ο£ ο£©ο£ο£ ο£ο£₯ο£ ο£ο£₯ο£ ο££ο£ο£‘ο£ ο££ο£ο£"sv,
"float Fox.quick(h){ is_brown && it_jumps_over(doges.lazy) }"sv,
"<fox color=\"brown\" speed=\"quick\" jumps=\"over\">lazy dog</fox>"sv
};
ErrorOr<NonnullRefPtr<MainWidget>> MainWidget::try_create()
{
auto main_widget = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) MainWidget()));
TRY(main_widget->create_widgets());
TRY(main_widget->create_actions());
TRY(main_widget->create_models());
TRY(main_widget->create_toolbars());
TRY(main_widget->create_undo_stack());
return main_widget;
}
ErrorOr<RefPtr<GUI::Window>> MainWidget::create_preview_window()
{
auto window = GUI::Window::construct(this);
window->set_window_mode(GUI::WindowMode::RenderAbove);
window->set_title("Preview");
window->resize(400, 150);
window->center_within(*this->window());
auto main_widget = window->set_main_widget<GUI::Widget>();
TRY(main_widget->load_from_gml(font_preview_window_gml));
m_preview_label = find_descendant_of_type_named<GUI::Label>("preview_label");
m_preview_label->set_font(m_font);
m_preview_textbox = find_descendant_of_type_named<GUI::TextBox>("preview_textbox");
m_preview_textbox->on_change = [this] {
auto maybe_preview = [](StringView text) -> ErrorOr<String> {
return TRY(String::formatted("{}\n{}", text, TRY(Unicode::to_unicode_uppercase_full(text))));
}(m_preview_textbox->text());
if (maybe_preview.is_error())
return show_error(maybe_preview.release_error(), "Formatting preview text failed"sv);
m_preview_label->set_text(maybe_preview.release_value());
};
m_preview_textbox->set_text(pangrams[0]);
auto& reload_button = *find_descendant_of_type_named<GUI::Button>("reload_button");
reload_button.on_click = [this](auto) {
static size_t i = 1;
if (i >= pangrams.size())
i = 0;
m_preview_textbox->set_text(pangrams[i]);
i++;
};
return window;
}
ErrorOr<void> MainWidget::create_actions()
{
m_new_action = GUI::Action::create("&New Font...", { Mod_Ctrl, Key_N }, g_resources.new_font, [this](auto&) {
if (!request_close())
return;
auto maybe_wizard = NewFontDialog::create(window());
if (maybe_wizard.is_error())
return show_error(maybe_wizard.release_error(), "Creating font wizard failed"sv);
auto wizard = maybe_wizard.release_value();
if (wizard->exec() != GUI::Dialog::ExecResult::OK)
return;
auto maybe_font = wizard->create_font();
if (maybe_font.is_error())
return show_error(maybe_font.release_error(), "Creating new font failed"sv);
if (auto result = initialize({}, move(maybe_font.value())); result.is_error())
show_error(result.release_error(), "Initializing new font failed"sv);
});
m_new_action->set_status_tip("Create a new font"_string);
m_open_action = GUI::CommonActions::make_open_action([this](auto&) {
if (!request_close())
return;
FileSystemAccessClient::OpenFileOptions options {
.window_title = "Open"sv,
.path = "/res/fonts"sv,
.allowed_file_types = { { GUI::FileTypeFilter { "Bitmap Font Files", { { "font" } } }, GUI::FileTypeFilter::all_files() } },
};
auto response = FileSystemAccessClient::Client::the().open_file(window(), options);
if (response.is_error())
return;
auto file = response.release_value();
if (auto result = open_file(file.filename(), file.release_stream()); result.is_error())
show_error(result.release_error(), "Opening"sv, file.filename());
});
m_save_action = GUI::CommonActions::make_save_action([this](auto&) {
if (m_path.is_empty())
return m_save_as_action->activate();
auto response = FileSystemAccessClient::Client::the().request_file(window(), m_path.to_deprecated_string(), Core::File::OpenMode::Truncate | Core::File::OpenMode::Write);
if (response.is_error())
return;
auto file = response.release_value();
if (auto result = save_file(m_path, file.release_stream()); result.is_error())
show_error(result.release_error(), "Saving"sv, m_path);
});
m_save_as_action = GUI::CommonActions::make_save_as_action([this](auto&) {
auto default_path = LexicalPath(m_path.is_empty() ? "Untitled.font"sv : m_path);
auto response = FileSystemAccessClient::Client::the().save_file(window(), default_path.title(), default_path.extension());
if (response.is_error())
return;
auto file = response.release_value();
if (auto result = save_file(file.filename(), file.release_stream()); result.is_error())
show_error(result.release_error(), "Saving"sv, file.filename());
else
GUI::Application::the()->set_most_recently_open_file(file.filename());
});
m_cut_action = GUI::CommonActions::make_cut_action([this](auto&) {
if (auto result = cut_selected_glyphs(); result.is_error())
show_error(result.release_error(), "Cutting selection failed"sv);
});
m_copy_action = GUI::CommonActions::make_copy_action([this](auto&) {
if (auto result = copy_selected_glyphs(); result.is_error())
show_error(result.release_error(), "Copying selection failed"sv);
});
m_paste_action = GUI::CommonActions::make_paste_action([this](auto&) {
paste_glyphs();
});
m_paste_action->set_enabled(GUI::Clipboard::the().fetch_mime_type() == "glyph/x-fonteditor");
GUI::Clipboard::the().on_change = [this](DeprecatedString const& data_type) {
m_paste_action->set_enabled(data_type == "glyph/x-fonteditor");
};
m_delete_action = GUI::CommonActions::make_delete_action([this](auto&) {
delete_selected_glyphs();
});
m_undo_action = GUI::CommonActions::make_undo_action([this](auto&) {
undo();
});
m_undo_action->set_enabled(false);
m_redo_action = GUI::CommonActions::make_redo_action([this](auto&) {
redo();
});
m_redo_action->set_enabled(false);
m_select_all_action = GUI::CommonActions::make_select_all_action([this](auto&) {
m_glyph_map_widget->set_selection(m_range.first, m_range.last - m_range.first + 1);
m_glyph_map_widget->update();
auto selection = m_glyph_map_widget->selection().normalized();
m_undo_selection->set_start(selection.start());
m_undo_selection->set_size(selection.size());
update_statusbar();
});
m_open_preview_action = GUI::Action::create("&Preview Font", { Mod_Ctrl, Key_P }, g_resources.preview_font, [this](auto&) {
if (!m_font_preview_window) {
if (auto maybe_window = create_preview_window(); maybe_window.is_error())
show_error(maybe_window.release_error(), "Creating preview window failed"sv);
else
m_font_preview_window = maybe_window.release_value();
}
if (m_font_preview_window)
m_font_preview_window->show();
});
m_open_preview_action->set_status_tip("Preview the current font"_string);
bool show_metadata = Config::read_bool("FontEditor"sv, "Layout"sv, "ShowMetadata"sv, true);
m_font_metadata_groupbox->set_visible(show_metadata);
m_show_metadata_action = GUI::Action::create_checkable("Font &Metadata", { Mod_Ctrl, Key_M }, [this](auto& action) {
m_font_metadata_groupbox->set_visible(action.is_checked());
Config::write_bool("FontEditor"sv, "Layout"sv, "ShowMetadata"sv, action.is_checked());
});
m_show_metadata_action->set_checked(show_metadata);
m_show_metadata_action->set_status_tip("Show or hide metadata about the current font"_string);
bool show_unicode_blocks = Config::read_bool("FontEditor"sv, "Layout"sv, "ShowUnicodeBlocks"sv, true);
m_unicode_block_container->set_visible(show_unicode_blocks);
m_show_unicode_blocks_action = GUI::Action::create_checkable("&Unicode Blocks", { Mod_Ctrl, Key_U }, [this](auto& action) {
m_unicode_block_container->set_visible(action.is_checked());
if (action.is_checked())
m_search_textbox->set_focus(m_initialized);
else
m_glyph_map_widget->set_focus(m_initialized);
Config::write_bool("FontEditor"sv, "Layout"sv, "ShowUnicodeBlocks"sv, action.is_checked());
});
m_show_unicode_blocks_action->set_checked(show_unicode_blocks);
m_show_unicode_blocks_action->set_status_tip("Show or hide the Unicode block list"_string);
bool show_toolbar = Config::read_bool("FontEditor"sv, "Layout"sv, "ShowToolbar"sv, true);
m_toolbar_container->set_visible(show_toolbar);
m_show_toolbar_action = GUI::Action::create_checkable("&Toolbar", [this](auto& action) {
m_toolbar_container->set_visible(action.is_checked());
Config::write_bool("FontEditor"sv, "Layout"sv, "ShowToolbar"sv, action.is_checked());
});
m_show_toolbar_action->set_checked(show_toolbar);
m_show_toolbar_action->set_status_tip("Show or hide the toolbar"_string);
bool show_statusbar = Config::read_bool("FontEditor"sv, "Layout"sv, "ShowStatusbar"sv, true);
m_statusbar->set_visible(show_statusbar);
m_show_statusbar_action = GUI::Action::create_checkable("&Status Bar", [this](auto& action) {
m_statusbar->set_visible(action.is_checked());
update_statusbar();
Config::write_bool("FontEditor"sv, "Layout"sv, "ShowStatusbar"sv, action.is_checked());
});
m_show_statusbar_action->set_checked(show_statusbar);
m_show_statusbar_action->set_status_tip("Show or hide the status bar"_string);
bool highlight_modifications = Config::read_bool("FontEditor"sv, "GlyphMap"sv, "HighlightModifications"sv, true);
m_glyph_map_widget->set_highlight_modifications(highlight_modifications);
m_highlight_modifications_action = GUI::Action::create_checkable("&Highlight Modifications", { Mod_Ctrl, Key_H }, [this](auto& action) {
m_glyph_map_widget->set_highlight_modifications(action.is_checked());
Config::write_bool("FontEditor"sv, "GlyphMap"sv, "HighlightModifications"sv, action.is_checked());
});
m_highlight_modifications_action->set_checked(highlight_modifications);
m_highlight_modifications_action->set_status_tip("Show or hide highlights on modified glyphs"_string);
bool show_system_emoji = Config::read_bool("FontEditor"sv, "GlyphMap"sv, "ShowSystemEmoji"sv, true);
m_glyph_map_widget->set_show_system_emoji(show_system_emoji);
m_show_system_emoji_action = GUI::Action::create_checkable("System &Emoji", { Mod_Ctrl, Key_E }, [this](auto& action) {
m_glyph_map_widget->set_show_system_emoji(action.is_checked());
Config::write_bool("FontEditor"sv, "GlyphMap"sv, "ShowSystemEmoji"sv, action.is_checked());
});
m_show_system_emoji_action->set_checked(show_system_emoji);
m_show_system_emoji_action->set_status_tip("Show or hide system emoji"_string);
m_go_to_glyph_action = GUI::Action::create("&Go to Glyph...", { Mod_Ctrl, Key_G }, g_resources.go_to_glyph, [this](auto&) {
String input;
auto result = GUI::InputBox::try_show(window(), input, {}, "Go to Glyph"sv, GUI::InputType::NonemptyText, "Hexadecimal"sv);
if (!result.is_error() && result.value() == GUI::InputBox::ExecResult::OK) {
auto maybe_code_point = AK::StringUtils::convert_to_uint_from_hex(input);
if (!maybe_code_point.has_value())
return;
auto code_point = maybe_code_point.value();
code_point = clamp(code_point, m_range.first, m_range.last);
m_glyph_map_widget->set_focus(true);
m_glyph_map_widget->set_active_glyph(code_point);
m_glyph_map_widget->scroll_to_glyph(code_point);
}
});
m_go_to_glyph_action->set_status_tip("Go to the specified code point"_string);
m_previous_glyph_action = GUI::Action::create("Pre&vious Glyph", { Mod_Alt, Key_Left }, g_resources.previous_glyph, [this](auto&) {
m_glyph_map_widget->select_previous_existing_glyph();
});
m_previous_glyph_action->set_status_tip("Seek the previous visible glyph"_string);
m_next_glyph_action = GUI::Action::create("&Next Glyph", { Mod_Alt, Key_Right }, g_resources.next_glyph, [this](auto&) {
m_glyph_map_widget->select_next_existing_glyph();
});
m_next_glyph_action->set_status_tip("Seek the next visible glyph"_string);
i32 scale = Config::read_i32("FontEditor"sv, "GlyphEditor"sv, "Scale"sv, 10);
m_glyph_editor_widget->set_scale(scale);
m_scale_five_action = GUI::Action::create_checkable("500%", { Mod_Ctrl, Key_1 }, [this](auto&) {
set_scale_and_save(5);
});
m_scale_five_action->set_checked(scale == 5);
m_scale_five_action->set_status_tip("Scale the editor in proportion to the current font"_string);
m_scale_ten_action = GUI::Action::create_checkable("1000%", { Mod_Ctrl, Key_2 }, [this](auto&) {
set_scale_and_save(10);
});
m_scale_ten_action->set_checked(scale == 10);
m_scale_ten_action->set_status_tip("Scale the editor in proportion to the current font"_string);
m_scale_fifteen_action = GUI::Action::create_checkable("1500%", { Mod_Ctrl, Key_3 }, [this](auto&) {
set_scale_and_save(15);
});
m_scale_fifteen_action->set_checked(scale == 15);
m_scale_fifteen_action->set_status_tip("Scale the editor in proportion to the current font"_string);
m_glyph_editor_scale_actions.add_action(*m_scale_five_action);
m_glyph_editor_scale_actions.add_action(*m_scale_ten_action);
m_glyph_editor_scale_actions.add_action(*m_scale_fifteen_action);
m_glyph_editor_scale_actions.set_exclusive(true);
m_paint_glyph_action = GUI::Action::create_checkable("Paint Glyph", { Mod_Ctrl, KeyCode::Key_J }, g_resources.paint_glyph, [this](auto&) {
m_glyph_editor_widget->set_mode(GlyphEditorWidget::Paint);
});
m_paint_glyph_action->set_checked(true);
m_move_glyph_action = GUI::Action::create_checkable("Move Glyph", { Mod_Ctrl, KeyCode::Key_K }, g_resources.move_glyph, [this](auto&) {
m_glyph_editor_widget->set_mode(GlyphEditorWidget::Move);
});
m_glyph_tool_actions.add_action(*m_paint_glyph_action);
m_glyph_tool_actions.add_action(*m_move_glyph_action);
m_glyph_tool_actions.set_exclusive(true);
m_rotate_counterclockwise_action = GUI::CommonActions::make_rotate_counterclockwise_action([this](auto&) {
m_glyph_editor_widget->rotate_90(Gfx::RotationDirection::CounterClockwise);
});
m_rotate_clockwise_action = GUI::CommonActions::make_rotate_clockwise_action([this](auto&) {
m_glyph_editor_widget->rotate_90(Gfx::RotationDirection::Clockwise);
});
m_flip_horizontal_action = GUI::Action::create("Flip Horizontally", { Mod_Ctrl | Mod_Shift, Key_Q }, g_resources.flip_horizontally, [this](auto&) {
m_glyph_editor_widget->flip(Gfx::Orientation::Horizontal);
});
m_flip_vertical_action = GUI::Action::create("Flip Vertically", { Mod_Ctrl | Mod_Shift, Key_W }, g_resources.flip_vertically, [this](auto&) {
m_glyph_editor_widget->flip(Gfx::Orientation::Vertical);
});
m_copy_text_action = GUI::Action::create("Copy as Te&xt", { Mod_Ctrl, Key_T }, g_resources.copy_as_text, [this](auto&) {
StringBuilder builder;
auto selection = m_glyph_map_widget->selection().normalized();
for (auto code_point = selection.start(); code_point < selection.start() + selection.size(); ++code_point) {
if (!m_glyph_map_widget->font().contains_glyph(code_point))
continue;
builder.append_code_point(code_point);
}
GUI::Clipboard::the().set_plain_text(builder.to_deprecated_string());
});
m_copy_text_action->set_status_tip("Copy to clipboard as text"_string);
return {};
}
ErrorOr<void> MainWidget::create_toolbars()
{
auto& toolbar = *find_descendant_of_type_named<GUI::Toolbar>("toolbar");
toolbar.add_action(*m_new_action);
toolbar.add_action(*m_open_action);
toolbar.add_action(*m_save_action);
toolbar.add_separator();
toolbar.add_action(*m_cut_action);
toolbar.add_action(*m_copy_action);
toolbar.add_action(*m_paste_action);
toolbar.add_action(*m_delete_action);
toolbar.add_separator();
toolbar.add_action(*m_undo_action);
toolbar.add_action(*m_redo_action);
toolbar.add_separator();
toolbar.add_action(*m_open_preview_action);
toolbar.add_separator();
toolbar.add_action(*m_previous_glyph_action);
toolbar.add_action(*m_next_glyph_action);
toolbar.add_action(*m_go_to_glyph_action);
auto& glyph_transform_toolbar = *find_descendant_of_type_named<GUI::Toolbar>("glyph_transform_toolbar");
glyph_transform_toolbar.add_action(*m_flip_horizontal_action);
glyph_transform_toolbar.add_action(*m_flip_vertical_action);
glyph_transform_toolbar.add_action(*m_rotate_counterclockwise_action);
glyph_transform_toolbar.add_action(*m_rotate_clockwise_action);
auto& glyph_mode_toolbar = *find_descendant_of_type_named<GUI::Toolbar>("glyph_mode_toolbar");
glyph_mode_toolbar.add_action(*m_paint_glyph_action);
glyph_mode_toolbar.add_action(*m_move_glyph_action);
return {};
}
ErrorOr<void> MainWidget::create_models()
{
TRY(m_font_slope_list.try_ensure_capacity(Gfx::font_slope_names.size()));
for (auto& it : Gfx::font_slope_names)
m_font_slope_list.unchecked_append(TRY(String::from_utf8(it.name)));
m_slope_combobox->set_model(GUI::ItemListModel<String>::create(m_font_slope_list));
TRY(m_font_weight_list.try_ensure_capacity(Gfx::font_weight_names.size()));
for (auto& it : Gfx::font_weight_names)
m_font_weight_list.unchecked_append(TRY(String::from_utf8(it.name)));
m_weight_combobox->set_model(GUI::ItemListModel<String>::create(m_font_weight_list));
auto unicode_blocks = Unicode::block_display_names();
TRY(m_unicode_block_list.try_ensure_capacity(unicode_blocks.size() + 1));
m_unicode_block_list.unchecked_append("Show All"_string);
for (auto& block : unicode_blocks)
m_unicode_block_list.unchecked_append(TRY(String::from_utf8(block.display_name)));
m_unicode_block_model = GUI::ItemListModel<String>::create(m_unicode_block_list);
m_filter_model = TRY(GUI::FilteringProxyModel::create(*m_unicode_block_model));
m_filter_model->set_filter_term(""sv);
m_unicode_block_listview = find_descendant_of_type_named<GUI::ListView>("unicode_block_listview");
m_unicode_block_listview->on_selection_change = [this, unicode_blocks] {
auto index = m_unicode_block_listview->selection().first();
auto mapped_index = m_filter_model->map(index);
if (mapped_index.row() > 0)
m_range = unicode_blocks[mapped_index.row() - 1].code_point_range;
else
m_range = { 0x0000, 0x10FFFF };
m_glyph_map_widget->set_active_range(m_range);
};
m_unicode_block_listview->set_model(m_filter_model);
m_unicode_block_listview->set_activates_on_selection(true);
m_unicode_block_listview->horizontal_scrollbar().set_visible(false);
m_unicode_block_listview->set_cursor(m_unicode_block_model->index(0, 0), GUI::AbstractView::SelectionUpdate::Set);
m_unicode_block_listview->set_focus_proxy(m_search_textbox);
return {};
}
ErrorOr<void> MainWidget::create_undo_stack()
{
m_undo_stack = TRY(try_make<GUI::UndoStack>());
m_undo_stack->on_state_change = [this] {
m_undo_action->set_enabled(m_undo_stack->can_undo());
m_redo_action->set_enabled(m_undo_stack->can_redo());
update_action_text();
if (m_undo_stack->is_current_modified())
did_modify_font();
};
return {};
}
void MainWidget::update_action_text()
{
auto text_or_error = [](auto prefix, auto suffix) -> ErrorOr<String> {
StringBuilder builder;
TRY(builder.try_append(prefix));
if (suffix.has_value()) {
TRY(builder.try_append(' '));
TRY(builder.try_append(suffix.value()));
}
return builder.to_string();
};
if (auto maybe_text = text_or_error("&Undo"sv, m_undo_stack->undo_action_text()); !maybe_text.is_error())
m_undo_action->set_text(maybe_text.release_value().to_deprecated_string());
if (auto maybe_text = text_or_error("&Redo"sv, m_undo_stack->redo_action_text()); !maybe_text.is_error())
m_redo_action->set_text(maybe_text.release_value().to_deprecated_string());
}
ErrorOr<void> MainWidget::create_widgets()
{
TRY(load_from_gml(font_editor_window_gml));
m_font_metadata_groupbox = find_descendant_of_type_named<GUI::GroupBox>("font_metadata_groupbox");
m_unicode_block_container = find_descendant_of_type_named<GUI::Widget>("unicode_block_container");
m_toolbar_container = find_descendant_of_type_named<GUI::ToolbarContainer>("toolbar_container");
m_width_control_container = find_descendant_of_type_named<GUI::Widget>("width_control_container");
m_glyph_map_widget = find_descendant_of_type_named<GUI::GlyphMapWidget>("glyph_map_widget");
m_glyph_editor_widget = find_descendant_of_type_named<GlyphEditorWidget>("glyph_editor_widget");
m_glyph_editor_widget->on_glyph_altered = [this](int glyph) {
m_glyph_map_widget->update_glyph(glyph);
update_preview();
did_modify_font();
};
m_glyph_editor_widget->on_undo_event = [this](auto action_text) {
reset_selection();
push_undo(action_text);
};
m_glyph_editor_width_spinbox = find_descendant_of_type_named<GUI::SpinBox>("glyph_editor_width_spinbox");
m_glyph_editor_present_checkbox = find_descendant_of_type_named<GUI::CheckBox>("glyph_editor_present_checkbox");
m_glyph_map_widget->on_active_glyph_changed = [this](int glyph) {
if (m_undo_selection) {
auto selection = m_glyph_map_widget->selection().normalized();
m_undo_selection->set_start(selection.start());
m_undo_selection->set_size(selection.size());
m_undo_selection->set_active_glyph(glyph);
}
m_glyph_editor_widget->set_glyph(glyph);
auto glyph_width = m_font->raw_glyph_width(glyph);
if (m_font->is_fixed_width())
m_glyph_editor_present_checkbox->set_checked(glyph_width > 0, GUI::AllowCallback::No);
else
m_glyph_editor_width_spinbox->set_value(glyph_width, GUI::AllowCallback::No);
update_statusbar();
};
m_glyph_map_widget->on_context_menu_request = [this](auto& event) {
m_context_menu->popup(event.screen_position());
};
m_glyph_map_widget->on_escape_pressed = [this]() {
update_statusbar();
};
m_name_textbox = find_descendant_of_type_named<GUI::TextBox>("name_textbox");
m_name_textbox->on_change = [this] {
m_font->set_name(MUST(String::from_deprecated_string(m_name_textbox->text())));
did_modify_font();
};
m_family_textbox = find_descendant_of_type_named<GUI::TextBox>("family_textbox");
m_family_textbox->on_change = [this] {
m_font->set_family(MUST(String::from_deprecated_string(m_family_textbox->text())));
did_modify_font();
};
m_fixed_width_checkbox = find_descendant_of_type_named<GUI::CheckBox>("fixed_width_checkbox");
m_fixed_width_checkbox->on_checked = [this](bool checked) {
m_font->set_fixed_width(checked);
auto glyph_width = m_font->raw_glyph_width(m_glyph_map_widget->active_glyph());
m_glyph_editor_width_spinbox->set_visible(!checked);
m_glyph_editor_width_spinbox->set_value(glyph_width, GUI::AllowCallback::No);
m_glyph_editor_present_checkbox->set_visible(checked);
m_glyph_editor_present_checkbox->set_checked(glyph_width > 0, GUI::AllowCallback::No);
m_glyph_editor_widget->update();
update_preview();
did_modify_font();
};
m_glyph_editor_width_spinbox->on_change = [this](int value) {
reset_selection();
push_undo("Resize Glyph"sv);
m_font->set_glyph_width(m_glyph_map_widget->active_glyph(), value);
m_glyph_editor_widget->update();
m_glyph_map_widget->update_glyph(m_glyph_map_widget->active_glyph());
update_preview();
update_statusbar();
did_modify_font();
};
m_glyph_editor_present_checkbox->on_checked = [this](bool checked) {
reset_selection();
push_undo("Resize Glyph"sv);
m_font->set_glyph_width(m_glyph_map_widget->active_glyph(), checked ? m_font->glyph_fixed_width() : 0);
m_glyph_editor_widget->update();
m_glyph_map_widget->update_glyph(m_glyph_map_widget->active_glyph());
update_preview();
update_statusbar();
did_modify_font();
};
m_weight_combobox = find_descendant_of_type_named<GUI::ComboBox>("weight_combobox");
m_weight_combobox->on_change = [this](auto&, auto&) {
m_font->set_weight(Gfx::name_to_weight(m_weight_combobox->text()));
did_modify_font();
};
m_slope_combobox = find_descendant_of_type_named<GUI::ComboBox>("slope_combobox");
m_slope_combobox->on_change = [this](auto&, auto&) {
m_font->set_slope(Gfx::name_to_slope(m_slope_combobox->text()));
did_modify_font();
};
m_presentation_spinbox = find_descendant_of_type_named<GUI::SpinBox>("presentation_spinbox");
m_presentation_spinbox->on_change = [this](int value) {
m_font->set_presentation_size(value);
update_preview();
did_modify_font();
};
m_spacing_spinbox = find_descendant_of_type_named<GUI::SpinBox>("spacing_spinbox");
m_spacing_spinbox->on_change = [this](int value) {
m_font->set_glyph_spacing(value);
update_preview();
did_modify_font();
};
m_baseline_spinbox = find_descendant_of_type_named<GUI::SpinBox>("baseline_spinbox");
m_baseline_spinbox->on_change = [this](int value) {
m_font->set_baseline(value);
m_glyph_editor_widget->update();
update_preview();
did_modify_font();
};
m_mean_line_spinbox = find_descendant_of_type_named<GUI::SpinBox>("mean_line_spinbox");
m_mean_line_spinbox->on_change = [this](int value) {
m_font->set_mean_line(value);
m_glyph_editor_widget->update();
update_preview();
did_modify_font();
};
m_search_textbox = find_descendant_of_type_named<GUI::TextBox>("search_textbox");
m_search_textbox->on_return_pressed = [this] {
if (!m_unicode_block_listview->selection().is_empty())
m_unicode_block_listview->activate_selected();
};
m_search_textbox->on_down_pressed = [this] {
m_unicode_block_listview->move_cursor(GUI::AbstractView::CursorMovement::Down, GUI::AbstractView::SelectionUpdate::Set);
};
m_search_textbox->on_up_pressed = [this] {
m_unicode_block_listview->move_cursor(GUI::AbstractView::CursorMovement::Up, GUI::AbstractView::SelectionUpdate::Set);
};
m_search_textbox->on_change = [this] {
m_filter_model->set_filter_term(m_search_textbox->text());
if (m_filter_model->row_count() != 0)
m_unicode_block_listview->set_cursor(m_filter_model->index(0, 0), GUI::AbstractView::SelectionUpdate::Set);
};
m_statusbar = find_descendant_of_type_named<GUI::Statusbar>("statusbar");
m_statusbar->segment(1).set_mode(GUI::Statusbar::Segment::Mode::Auto);
m_statusbar->segment(1).set_clickable(true);
m_statusbar->segment(1).on_click = [this](auto) {
m_show_unicode_blocks_action->activate();
};
GUI::Application::the()->on_action_enter = [this](GUI::Action& action) {
m_statusbar->set_override_text(action.status_tip());
};
GUI::Application::the()->on_action_leave = [this](GUI::Action&) {
m_statusbar->set_override_text({});
};
return {};
}
ErrorOr<void> MainWidget::initialize(StringView path, RefPtr<Gfx::BitmapFont>&& mutable_font)
{
VERIFY(window());
if (m_font == mutable_font)
return {};
ScopeGuard reset_on_error([&] {
if (!m_initialized)
reset();
});
m_initialized = false;
m_path = TRY(String::from_utf8(path));
m_font = move(mutable_font);
TRY(m_glyph_map_widget->initialize(m_font));
auto active_glyph = m_glyph_map_widget->active_glyph();
m_glyph_map_widget->set_focus(true);
m_glyph_map_widget->scroll_to_glyph(active_glyph);
auto selection = m_glyph_map_widget->selection().normalized();
m_undo_selection = TRY(try_make_ref_counted<UndoSelection>(selection.start(), selection.size(), active_glyph, *m_font, *m_glyph_map_widget));
m_undo_stack->clear();
if (m_preview_label)
m_preview_label->set_font(*m_font);
m_glyph_editor_widget->initialize(m_font);
m_glyph_editor_widget->set_fixed_size(m_glyph_editor_widget->preferred_width(), m_glyph_editor_widget->preferred_height());
m_glyph_editor_widget->set_glyph(active_glyph);
m_glyph_editor_width_spinbox->set_visible(!m_font->is_fixed_width());
m_glyph_editor_width_spinbox->set_max(m_font->max_glyph_width(), GUI::AllowCallback::No);
m_glyph_editor_width_spinbox->set_value(m_font->raw_glyph_width(active_glyph), GUI::AllowCallback::No);
m_glyph_editor_present_checkbox->set_visible(m_font->is_fixed_width());
m_glyph_editor_present_checkbox->set_checked(m_font->contains_raw_glyph(active_glyph), GUI::AllowCallback::No);
m_fixed_width_checkbox->set_checked(m_font->is_fixed_width(), GUI::AllowCallback::No);
m_name_textbox->set_text(m_font->name(), GUI::AllowCallback::No);
m_family_textbox->set_text(m_font->family(), GUI::AllowCallback::No);
m_presentation_spinbox->set_value(m_font->presentation_size(), GUI::AllowCallback::No);
m_spacing_spinbox->set_value(m_font->glyph_spacing(), GUI::AllowCallback::No);
m_mean_line_spinbox->set_range(0, max(m_font->glyph_height() - 2, 0), GUI::AllowCallback::No);
m_baseline_spinbox->set_range(0, max(m_font->glyph_height() - 2, 0), GUI::AllowCallback::No);
m_mean_line_spinbox->set_value(m_font->mean_line(), GUI::AllowCallback::No);
m_baseline_spinbox->set_value(m_font->baseline(), GUI::AllowCallback::No);
for (size_t i = 0; i < Gfx::font_weight_names.size(); ++i) {
if (Gfx::font_weight_names[i].style == m_font->weight()) {
m_weight_combobox->set_selected_index(i, GUI::AllowCallback::No);
break;
}
}
for (size_t i = 0; i < Gfx::font_slope_names.size(); ++i) {
if (Gfx::font_slope_names[i].style == m_font->slope()) {
m_slope_combobox->set_selected_index(i, GUI::AllowCallback::No);
break;
}
}
window()->set_modified(false);
update_title();
update_statusbar();
set_actions_enabled(true);
set_widgets_enabled(true);
m_initialized = true;
return {};
}
ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
{
auto file_menu = window.add_menu("&File"_string);
file_menu->add_action(*m_new_action);
file_menu->add_action(*m_open_action);
file_menu->add_action(*m_save_action);
file_menu->add_action(*m_save_as_action);
file_menu->add_separator();
file_menu->add_recent_files_list([this](auto& action) {
if (!request_close())
return;
auto response = FileSystemAccessClient::Client::the().request_file_read_only_approved(this->window(), action.text());
if (response.is_error())
return;
auto file = response.release_value();
if (auto result = open_file(file.filename(), file.release_stream()); result.is_error())
show_error(result.release_error(), "Opening"sv, file.filename());
});
file_menu->add_action(GUI::CommonActions::make_quit_action([this](auto&) {
if (!request_close())
return;
GUI::Application::the()->quit();
}));
auto edit_menu = window.add_menu("&Edit"_string);
edit_menu->add_action(*m_undo_action);
edit_menu->add_action(*m_redo_action);
edit_menu->add_separator();
edit_menu->add_action(*m_cut_action);
edit_menu->add_action(*m_copy_action);
edit_menu->add_action(*m_paste_action);
edit_menu->add_action(*m_delete_action);
edit_menu->add_separator();
edit_menu->add_action(*m_select_all_action);
edit_menu->add_separator();
edit_menu->add_action(*m_copy_text_action);
m_context_menu = edit_menu;
auto go_menu = window.add_menu("&Go"_string);
go_menu->add_action(*m_previous_glyph_action);
go_menu->add_action(*m_next_glyph_action);
go_menu->add_action(*m_go_to_glyph_action);
auto view_menu = window.add_menu("&View"_string);
auto layout_menu = view_menu->add_submenu("&Layout"_string);
layout_menu->add_action(*m_show_toolbar_action);
layout_menu->add_action(*m_show_statusbar_action);
layout_menu->add_action(*m_show_metadata_action);
layout_menu->add_action(*m_show_unicode_blocks_action);
view_menu->add_separator();
view_menu->add_action(*m_open_preview_action);
view_menu->add_separator();
view_menu->add_action(*m_highlight_modifications_action);
view_menu->add_action(*m_show_system_emoji_action);
view_menu->add_separator();
auto scale_menu = view_menu->add_submenu("&Scale"_string);
scale_menu->set_icon(g_resources.scale_editor);
scale_menu->add_action(*m_scale_five_action);
scale_menu->add_action(*m_scale_ten_action);
scale_menu->add_action(*m_scale_fifteen_action);
auto help_menu = window.add_menu("&Help"_string);
help_menu->add_action(GUI::CommonActions::make_command_palette_action(&window));
help_menu->add_action(GUI::CommonActions::make_help_action([](auto&) {
Desktop::Launcher::open(URL::create_with_file_scheme("/usr/share/man/man1/Applications/FontEditor.md"), "/bin/Help");
}));
help_menu->add_action(GUI::CommonActions::make_about_action("Font Editor"_string, TRY(GUI::Icon::try_create_default_icon("app-font-editor"sv)), &window));
return {};
}
ErrorOr<void> MainWidget::save_file(StringView path, NonnullOwnPtr<Core::File> file)
{
auto masked_font = TRY(m_font->masked_character_set());
TRY(masked_font->write_to_file(move(file)));
m_path = TRY(String::from_utf8(path));
m_undo_stack->set_current_unmodified();
window()->set_modified(false);
update_title();
return {};
}
ErrorOr<void> MainWidget::open_file(StringView path, NonnullOwnPtr<Core::File> file)
{
auto mapped_file = TRY(Core::MappedFile::map_from_file(move(file), path));
auto unmasked_font = TRY(TRY(Gfx::BitmapFont::try_load_from_mapped_file(move(mapped_file)))->unmasked_character_set());
TRY(initialize(path, move(unmasked_font)));
if (!path.is_empty())
GUI::Application::the()->set_most_recently_open_file(TRY(String::from_utf8(path)));
return {};
}
void MainWidget::push_undo(StringView action_text)
{
auto maybe_state = m_undo_selection->save_state();
if (maybe_state.is_error())
return show_error(maybe_state.release_error(), "Saving undo state failed"sv);
auto maybe_text = String::from_utf8(action_text);
if (maybe_text.is_error())
return show_error(maybe_text.release_error(), "Creating action text failed"sv);
auto maybe_command = try_make<SelectionUndoCommand>(*m_undo_selection, move(maybe_state.value()), move(maybe_text.value()));
if (maybe_command.is_error())
return show_error(maybe_command.release_error(), "Making undo command failed"sv);
if (auto maybe_push = m_undo_stack->try_push(move(maybe_command.value())); maybe_push.is_error())
show_error(maybe_push.release_error(), "Pushing undo stack failed"sv);
}
void MainWidget::reset_selection()
{
auto selection = m_glyph_map_widget->selection().normalized();
if (selection.size() == 1)
return;
auto start = m_glyph_map_widget->active_glyph();
m_undo_selection->set_start(start);
m_undo_selection->set_size(1);
m_glyph_map_widget->set_selection(start, 1);
m_glyph_map_widget->update();
}
void MainWidget::restore_state()
{
auto glyph = m_undo_selection->restored_active_glyph();
auto glyph_width = m_font->raw_glyph_width(glyph);
if (glyph < m_range.first || glyph > m_range.last)
m_search_textbox->set_text(""sv);
auto start = m_undo_selection->restored_start();
auto size = m_undo_selection->restored_size();
m_glyph_map_widget->restore_selection(start, size, glyph);
m_glyph_map_widget->scroll_to_glyph(glyph);
m_glyph_map_widget->set_focus(true);
if (m_font->is_fixed_width())
m_glyph_editor_present_checkbox->set_checked(glyph_width > 0, GUI::AllowCallback::No);
else
m_glyph_editor_width_spinbox->set_value(glyph_width, GUI::AllowCallback::No);
m_glyph_editor_widget->update();
m_glyph_map_widget->update();
update_preview();
update_statusbar();
}
void MainWidget::undo()
{
if (!m_undo_stack->can_undo())
return;
m_undo_stack->undo();
restore_state();
}
void MainWidget::redo()
{
if (!m_undo_stack->can_redo())
return;
m_undo_stack->redo();
restore_state();
}
bool MainWidget::request_close()
{
if (!window()->is_modified())
return true;
auto result = GUI::MessageBox::try_ask_about_unsaved_changes(window(), m_path, m_undo_stack->last_unmodified_timestamp());
if (result.is_error())
return false;
if (result.value() == GUI::MessageBox::ExecResult::Yes) {
m_save_action->activate();
if (!window()->is_modified())
return true;
}
if (result.value() == GUI::MessageBox::ExecResult::No)
return true;
return false;
}
void MainWidget::update_title()
{
StringBuilder title;
if (m_path.is_empty())
title.append("Untitled"sv);
else
title.append(m_path);
title.append("[*] - Font Editor"sv);
window()->set_title(title.to_deprecated_string());
}
void MainWidget::did_modify_font()
{
if (!window() || window()->is_modified())
return;
window()->set_modified(true);
update_title();
}
void MainWidget::update_statusbar()
{
if (!m_font)
return;
if (!m_statusbar->is_visible())
return;
auto format_statusbar = [this]() -> ErrorOr<void> {
auto glyph = m_glyph_map_widget->active_glyph();
StringBuilder builder;
TRY(builder.try_appendff("U+{:04X} (", glyph));
if (auto abbreviation = Unicode::code_point_abbreviation(glyph); abbreviation.has_value())
TRY(builder.try_append(*abbreviation));
// FIXME: Bidirectional text cannot currently be isolated; for now, replace RTL glyphs with U+FFFD.
else if (Gfx::get_char_bidi_class(glyph) == Gfx::BidirectionalClass::STRONG_RTL)
TRY(builder.try_append_code_point(0xFFFD));
else
TRY(builder.try_append_code_point(glyph));
builder.append(')');
auto glyph_name = Unicode::code_point_display_name(glyph);
if (glyph_name.has_value())
TRY(builder.try_appendff(" {}", glyph_name.value()));
if (m_font->contains_raw_glyph(glyph))
TRY(builder.try_appendff(" [{}x{}]", m_font->raw_glyph_width(glyph), m_font->glyph_height()));
else if (Gfx::Emoji::emoji_for_code_point(glyph))
TRY(builder.try_appendff(" [emoji]"));
m_statusbar->set_text(0, TRY(builder.to_string()));
builder.clear();
auto selection = m_glyph_map_widget->selection().normalized();
if (selection.size() > 1)
TRY(builder.try_appendff("{} glyphs selected", selection.size()));
else
TRY(builder.try_appendff("U+{:04X}-U+{:04X}", m_range.first, m_range.last));
m_statusbar->set_text(1, TRY(builder.to_string()));
return {};
}();
if (format_statusbar.is_error())
warnln("Formatting status bar failed");
}
void MainWidget::update_preview()
{
if (m_font_preview_window)
m_font_preview_window->update();
}
void MainWidget::drag_enter_event(GUI::DragEvent& event)
{
auto const& mime_types = event.mime_types();
if (mime_types.contains_slow("text/uri-list"sv))
event.accept();
}
void MainWidget::drop_event(GUI::DropEvent& event)
{
event.accept();
if (event.mime_data().has_urls()) {
auto urls = event.mime_data().urls();
if (urls.is_empty())