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serenity/Userland/Applications/FontEditor/FontEditor.cpp
thankyouverycool c2b7bbbb2c FontEditor: Update GlyphEditor and width widgets on paste and delete 
Fixes unsynced state between widgets after paste and delete actions.
2022-01-16 21:36:39 +01:00

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "FontEditor.h"
#include "GlyphEditorWidget.h"
#include "NewFontDialog.h"
#include <AK/StringBuilder.h>
#include <AK/UnicodeUtils.h>
#include <Applications/FontEditor/FontEditorWindowGML.h>
#include <LibConfig/Client.h>
#include <LibDesktop/Launcher.h>
#include <LibGUI/Action.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/CheckBox.h>
#include <LibGUI/Clipboard.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/FilePicker.h>
#include <LibGUI/GroupBox.h>
#include <LibGUI/InputBox.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/Label.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Menubar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Painter.h>
#include <LibGUI/SpinBox.h>
#include <LibGUI/Statusbar.h>
#include <LibGUI/TextBox.h>
#include <LibGUI/ToolbarContainer.h>
#include <LibGUI/Window.h>
#include <LibGfx/BitmapFont.h>
#include <LibGfx/Emoji.h>
#include <LibGfx/FontStyleMapping.h>
#include <LibGfx/Palette.h>
#include <LibGfx/TextDirection.h>
#include <LibUnicode/CharacterTypes.h>
#include <stdlib.h>
static constexpr int s_pangram_count = 8;
static char const* pangrams[s_pangram_count] = {
"quick fox jumps nightly above wizard",
"five quacking zephyrs jolt my wax bed",
"pack my box with five dozen liquor jugs",
"quick brown fox jumps over the lazy dog",
"waxy and quivering jocks fumble the pizza",
"~#:[@_1%]*{$2.3}/4^(5'6\")-&|7+8!=<9,0\\>?;",
"byxfjärmat föl gick på duvshowen",
"         "
};
static RefPtr<GUI::Window> create_font_preview_window(FontEditorWidget& editor)
{
auto window = GUI::Window::construct(&editor);
window->set_window_type(GUI::WindowType::ToolWindow);
window->set_title("Preview");
window->resize(400, 150);
window->set_minimum_size(200, 100);
window->center_within(*editor.window());
auto& main_widget = window->set_main_widget<GUI::Widget>();
main_widget.set_fill_with_background_color(true);
main_widget.set_layout<GUI::VerticalBoxLayout>();
main_widget.layout()->set_margins(2);
main_widget.layout()->set_spacing(4);
auto& preview_box = main_widget.add<GUI::GroupBox>();
preview_box.set_layout<GUI::VerticalBoxLayout>();
preview_box.layout()->set_margins(8);
auto& preview_label = preview_box.add<GUI::Label>();
preview_label.set_font(editor.edited_font());
editor.on_initialize = [&] {
preview_label.set_font(editor.edited_font());
};
auto& textbox_button_container = main_widget.add<GUI::Widget>();
textbox_button_container.set_layout<GUI::HorizontalBoxLayout>();
textbox_button_container.set_fixed_height(22);
auto& preview_textbox = textbox_button_container.add<GUI::TextBox>();
preview_textbox.set_text(pangrams[0]);
preview_textbox.set_placeholder("Preview text");
preview_textbox.on_change = [&] {
auto preview = String::formatted("{}\n{}",
preview_textbox.text(),
Unicode::to_unicode_uppercase_full(preview_textbox.text()));
preview_label.set_text(preview);
};
auto& reload_button = textbox_button_container.add<GUI::Button>();
reload_button.set_icon(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/reload.png").release_value_but_fixme_should_propagate_errors());
reload_button.set_fixed_width(22);
reload_button.on_click = [&](auto) {
static int i = 1;
if (i >= s_pangram_count)
i = 0;
preview_textbox.set_text(pangrams[i]);
i++;
};
return window;
}
FontEditorWidget::FontEditorWidget()
{
load_from_gml(font_editor_window_gml);
auto& toolbar = *find_descendant_of_type_named<GUI::Toolbar>("toolbar");
auto& glyph_mode_toolbar = *find_descendant_of_type_named<GUI::Toolbar>("glyph_mode_toolbar");
auto& glyph_transform_toolbar = *find_descendant_of_type_named<GUI::Toolbar>("glyph_transform_toolbar");
auto& glyph_map_container = *find_descendant_of_type_named<GUI::Widget>("glyph_map_container");
m_statusbar = *find_descendant_of_type_named<GUI::Statusbar>("statusbar");
m_glyph_editor_container = *find_descendant_of_type_named<GUI::Widget>("glyph_editor_container");
m_left_column_container = *find_descendant_of_type_named<GUI::Widget>("left_column_container");
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_name_textbox = *find_descendant_of_type_named<GUI::TextBox>("name_textbox");
m_family_textbox = *find_descendant_of_type_named<GUI::TextBox>("family_textbox");
m_presentation_spinbox = *find_descendant_of_type_named<GUI::SpinBox>("presentation_spinbox");
m_weight_combobox = *find_descendant_of_type_named<GUI::ComboBox>("weight_combobox");
m_slope_combobox = *find_descendant_of_type_named<GUI::ComboBox>("slope_combobox");
m_spacing_spinbox = *find_descendant_of_type_named<GUI::SpinBox>("spacing_spinbox");
m_mean_line_spinbox = *find_descendant_of_type_named<GUI::SpinBox>("mean_line_spinbox");
m_baseline_spinbox = *find_descendant_of_type_named<GUI::SpinBox>("baseline_spinbox");
m_fixed_width_checkbox = *find_descendant_of_type_named<GUI::CheckBox>("fixed_width_checkbox");
m_font_metadata_groupbox = *find_descendant_of_type_named<GUI::GroupBox>("font_metadata_groupbox");
m_glyph_editor_widget = m_glyph_editor_container->add<GlyphEditorWidget>();
m_glyph_map_widget = glyph_map_container.add<GUI::GlyphMapWidget>();
m_new_action = GUI::Action::create("&New Font...", { Mod_Ctrl, Key_N }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/filetype-font.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
if (!request_close())
return;
auto new_font_wizard = NewFontDialog::construct(window());
if (new_font_wizard->exec() == GUI::Dialog::ExecOK) {
auto metadata = new_font_wizard->new_font_metadata();
auto new_font = Gfx::BitmapFont::create(metadata.glyph_height, metadata.glyph_width, metadata.is_fixed_width, 0x110000);
new_font->set_name(metadata.name);
new_font->set_family(metadata.family);
new_font->set_presentation_size(metadata.presentation_size);
new_font->set_weight(metadata.weight);
new_font->set_slope(metadata.slope);
new_font->set_baseline(metadata.baseline);
new_font->set_mean_line(metadata.mean_line);
window()->set_modified(true);
initialize({}, move(new_font));
}
});
m_new_action->set_status_tip("Create a new font");
m_open_action = GUI::CommonActions::make_open_action([&](auto&) {
if (!request_close())
return;
Optional<String> open_path = GUI::FilePicker::get_open_filepath(window(), {}, "/res/fonts/");
if (!open_path.has_value())
return;
open_file(open_path.value());
});
m_save_action = GUI::CommonActions::make_save_action([&](auto&) {
if (m_path.is_empty())
m_save_as_action->activate();
else
save_as(m_path);
});
m_save_as_action = GUI::CommonActions::make_save_as_action([&](auto&) {
LexicalPath lexical_path(m_path.is_empty() ? "Untitled.font" : m_path);
Optional<String> save_path = GUI::FilePicker::get_save_filepath(window(), lexical_path.title(), lexical_path.extension());
if (!save_path.has_value())
return;
save_as(save_path.value());
});
m_cut_action = GUI::CommonActions::make_cut_action([&](auto&) {
cut_selected_glyphs();
});
m_copy_action = GUI::CommonActions::make_copy_action([&](auto&) {
copy_selected_glyphs();
});
m_paste_action = GUI::CommonActions::make_paste_action([&](auto&) {
paste_glyphs();
});
m_paste_action->set_enabled(GUI::Clipboard::the().fetch_mime_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([&](auto&) {
undo();
});
m_redo_action = GUI::CommonActions::make_redo_action([&](auto&) {
redo();
});
m_open_preview_action = GUI::Action::create("&Preview Font", { Mod_Ctrl, Key_P }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/find.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
if (!m_font_preview_window)
m_font_preview_window = create_font_preview_window(*this);
m_font_preview_window->show();
m_font_preview_window->move_to_front();
});
m_open_preview_action->set_checked(false);
m_open_preview_action->set_status_tip("Preview the current font");
m_show_metadata_action = GUI::Action::create_checkable("Font &Metadata", { Mod_Ctrl, Key_M }, [&](auto& action) {
set_show_font_metadata(action.is_checked());
});
m_show_metadata_action->set_checked(true);
m_show_metadata_action->set_status_tip("Show or hide metadata about the current font");
m_go_to_glyph_action = GUI::Action::create("&Go to Glyph...", { Mod_Ctrl, Key_G }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-to.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
String input;
if (GUI::InputBox::show(window(), input, "Hexadecimal:", "Go to Glyph") == GUI::InputBox::ExecOK && !input.is_empty()) {
int code_point = strtoul(&input[0], nullptr, 16);
code_point = clamp(code_point, 0x0000, 0x10FFFF);
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");
m_previous_glyph_action = GUI::Action::create("Pre&vious Glyph", { Mod_Alt, Key_Left }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-back.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
m_glyph_map_widget->select_previous_existing_glyph();
});
m_previous_glyph_action->set_status_tip("Seek the previous visible glyph");
m_next_glyph_action = GUI::Action::create("&Next Glyph", { Mod_Alt, Key_Right }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-forward.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
m_glyph_map_widget->select_next_existing_glyph();
});
m_next_glyph_action->set_status_tip("Seek the next visible glyph");
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);
i32 scale = Config::read_i32("FontEditor", "GlyphEditor", "Scale", 10);
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");
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");
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");
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 }, Gfx::Bitmap::try_load_from_file("/res/icons/pixelpaint/pen.png").release_value_but_fixme_should_propagate_errors(), [&](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 }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/selection-move.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
m_glyph_editor_widget->set_mode(GlyphEditorWidget::Move);
});
m_glyph_tool_actions.add_action(*m_move_glyph_action);
m_glyph_tool_actions.add_action(*m_paint_glyph_action);
m_glyph_tool_actions.set_exclusive(true);
glyph_mode_toolbar.add_action(*m_paint_glyph_action);
glyph_mode_toolbar.add_action(*m_move_glyph_action);
m_rotate_counterclockwise_action = GUI::CommonActions::make_rotate_counterclockwise_action([&](auto&) {
m_glyph_editor_widget->rotate_90(GlyphEditorWidget::Counterclockwise);
});
m_rotate_clockwise_action = GUI::CommonActions::make_rotate_clockwise_action([&](auto&) {
m_glyph_editor_widget->rotate_90(GlyphEditorWidget::Clockwise);
});
m_flip_horizontal_action = GUI::Action::create("Flip Horizontally", { Mod_Ctrl | Mod_Shift, Key_A }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/edit-flip-horizontal.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
m_glyph_editor_widget->flip_horizontally();
});
m_flip_vertical_action = GUI::Action::create("Flip Vertically", { Mod_Ctrl | Mod_Shift, Key_S }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/edit-flip-vertical.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
m_glyph_editor_widget->flip_vertically();
});
m_copy_character_action = GUI::Action::create("Cop&y as Character", { Mod_Ctrl | Mod_Shift, Key_C }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/edit-copy.png").release_value_but_fixme_should_propagate_errors(), [&](auto&) {
StringBuilder glyph_builder;
glyph_builder.append_code_point(m_glyph_editor_widget->glyph());
GUI::Clipboard::the().set_plain_text(glyph_builder.build());
});
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);
GUI::Clipboard::the().on_change = [&](String const& data_type) {
m_paste_action->set_enabled(data_type == "glyph/x-fonteditor");
};
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] {
m_undo_stack->push(make<GlyphUndoCommand>(*m_undo_glyph));
};
m_glyph_map_widget->on_active_glyph_changed = [this](int glyph) {
if (m_undo_glyph)
m_undo_glyph->set_code_point(glyph);
m_glyph_editor_widget->set_glyph(glyph);
auto glyph_width = m_edited_font->raw_glyph_width(glyph);
if (m_edited_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_name_textbox->on_change = [&] {
m_edited_font->set_name(m_name_textbox->text());
did_modify_font();
};
m_family_textbox->on_change = [&] {
m_edited_font->set_family(m_family_textbox->text());
did_modify_font();
};
m_fixed_width_checkbox->on_checked = [this](bool checked) {
m_edited_font->set_fixed_width(checked);
auto glyph_width = m_edited_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) {
m_undo_stack->push(make<GlyphUndoCommand>(*m_undo_glyph));
m_edited_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) {
m_undo_stack->push(make<GlyphUndoCommand>(*m_undo_glyph));
m_edited_font->set_glyph_width(m_glyph_map_widget->active_glyph(), checked ? m_edited_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->on_change = [this](auto&, auto&) {
m_edited_font->set_weight(Gfx::name_to_weight(m_weight_combobox->text()));
did_modify_font();
};
for (auto& it : Gfx::font_weight_names)
m_font_weight_list.append(it.name);
m_weight_combobox->set_model(*GUI::ItemListModel<String>::create(m_font_weight_list));
m_slope_combobox->on_change = [this](auto&, auto&) {
m_edited_font->set_slope(Gfx::name_to_slope(m_slope_combobox->text()));
did_modify_font();
};
for (auto& it : Gfx::font_slope_names)
m_font_slope_list.append(it.name);
m_slope_combobox->set_model(*GUI::ItemListModel<String>::create(m_font_slope_list));
m_presentation_spinbox->on_change = [this](int value) {
m_edited_font->set_presentation_size(value);
update_preview();
did_modify_font();
};
m_spacing_spinbox->on_change = [this](int value) {
m_edited_font->set_glyph_spacing(value);
update_preview();
did_modify_font();
};
m_baseline_spinbox->on_change = [this](int value) {
m_edited_font->set_baseline(value);
m_glyph_editor_widget->update();
update_preview();
did_modify_font();
};
m_mean_line_spinbox->on_change = [this](int value) {
m_edited_font->set_mean_line(value);
m_glyph_editor_widget->update();
update_preview();
did_modify_font();
};
GUI::Application::the()->on_action_enter = [this](GUI::Action& action) {
auto text = action.status_tip();
if (text.is_empty())
text = Gfx::parse_ampersand_string(action.text());
m_statusbar->set_override_text(move(text));
};
GUI::Application::the()->on_action_leave = [this](GUI::Action&) {
m_statusbar->set_override_text({});
};
set_scale(scale);
}
FontEditorWidget::~FontEditorWidget()
{
}
void FontEditorWidget::initialize(String const& path, RefPtr<Gfx::BitmapFont>&& edited_font)
{
if (m_edited_font == edited_font)
return;
m_path = path;
m_edited_font = edited_font;
m_glyph_map_widget->set_font(*m_edited_font);
m_glyph_editor_widget->initialize(*m_edited_font);
did_resize_glyph_editor();
m_glyph_editor_width_spinbox->set_visible(!m_edited_font->is_fixed_width());
m_glyph_editor_width_spinbox->set_max(m_edited_font->max_glyph_width(), GUI::AllowCallback::No);
m_glyph_editor_width_spinbox->set_value(m_edited_font->raw_glyph_width(m_glyph_map_widget->active_glyph()), GUI::AllowCallback::No);
m_glyph_editor_present_checkbox->set_visible(m_edited_font->is_fixed_width());
m_glyph_editor_present_checkbox->set_checked(m_edited_font->contains_raw_glyph(m_glyph_map_widget->active_glyph()), GUI::AllowCallback::No);
m_fixed_width_checkbox->set_checked(m_edited_font->is_fixed_width(), GUI::AllowCallback::No);
m_name_textbox->set_text(m_edited_font->name(), GUI::AllowCallback::No);
m_family_textbox->set_text(m_edited_font->family(), GUI::AllowCallback::No);
m_presentation_spinbox->set_value(m_edited_font->presentation_size(), GUI::AllowCallback::No);
m_spacing_spinbox->set_value(m_edited_font->glyph_spacing(), GUI::AllowCallback::No);
m_mean_line_spinbox->set_range(0, max(m_edited_font->glyph_height() - 2, 0), GUI::AllowCallback::No);
m_baseline_spinbox->set_range(0, max(m_edited_font->glyph_height() - 2, 0), GUI::AllowCallback::No);
m_mean_line_spinbox->set_value(m_edited_font->mean_line(), GUI::AllowCallback::No);
m_baseline_spinbox->set_value(m_edited_font->baseline(), GUI::AllowCallback::No);
int i = 0;
for (auto& it : Gfx::font_weight_names) {
if (it.style == m_edited_font->weight()) {
m_weight_combobox->set_selected_index(i, GUI::AllowCallback::No);
break;
}
i++;
}
i = 0;
for (auto& it : Gfx::font_slope_names) {
if (it.style == m_edited_font->slope()) {
m_slope_combobox->set_selected_index(i, GUI::AllowCallback::No);
break;
}
i++;
}
deferred_invoke([this] {
m_glyph_map_widget->set_focus(true);
m_glyph_map_widget->scroll_to_glyph(m_glyph_map_widget->active_glyph());
update_title();
});
m_undo_stack = make<GUI::UndoStack>();
m_undo_glyph = adopt_ref(*new UndoGlyph(m_glyph_map_widget->active_glyph(), *m_edited_font));
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());
did_modify_font();
};
m_undo_action->set_enabled(false);
m_redo_action->set_enabled(false);
update_statusbar();
if (on_initialize)
on_initialize();
}
void FontEditorWidget::initialize_menubar(GUI::Window& window)
{
auto& file_menu = window.add_menu("&File");
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_action(GUI::CommonActions::make_quit_action([this](auto&) {
if (!request_close())
return;
GUI::Application::the()->quit();
}));
auto& edit_menu = window.add_menu("&Edit");
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_copy_character_action);
edit_menu.add_separator();
edit_menu.add_action(*m_previous_glyph_action);
edit_menu.add_action(*m_next_glyph_action);
edit_menu.add_action(*m_go_to_glyph_action);
auto& view_menu = window.add_menu("&View");
view_menu.add_action(*m_open_preview_action);
view_menu.add_separator();
view_menu.add_action(*m_show_metadata_action);
view_menu.add_separator();
auto& scale_menu = view_menu.add_submenu("&Scale");
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");
help_menu.add_action(GUI::CommonActions::make_help_action([](auto&) {
Desktop::Launcher::open(URL::create_with_file_protocol("/usr/share/man/man1/FontEditor.md"), "/bin/Help");
}));
help_menu.add_action(GUI::CommonActions::make_about_action("Font Editor", GUI::Icon::default_icon("app-font-editor"), &window));
}
bool FontEditorWidget::save_as(String const& path)
{
auto saved_font = m_edited_font->masked_character_set();
auto ret_val = saved_font->write_to_file(path);
if (!ret_val) {
GUI::MessageBox::show(window(), "The font file could not be saved.", "Save failed", GUI::MessageBox::Type::Error);
return false;
}
m_path = path;
m_undo_stack->set_current_unmodified();
window()->set_modified(false);
update_title();
return true;
}
void FontEditorWidget::set_show_font_metadata(bool show)
{
if (m_font_metadata == show)
return;
m_font_metadata = show;
m_font_metadata_groupbox->set_visible(m_font_metadata);
}
bool FontEditorWidget::open_file(String const& path)
{
auto bitmap_font = Gfx::BitmapFont::load_from_file(path);
if (!bitmap_font) {
String message = String::formatted("Couldn't load font: {}\n", path);
GUI::MessageBox::show(window(), message, "Font Editor", GUI::MessageBox::Type::Error);
return false;
}
auto new_font = bitmap_font->unmasked_character_set();
window()->set_modified(false);
initialize(path, move(new_font));
return true;
}
void FontEditorWidget::undo()
{
if (!m_undo_stack->can_undo())
return;
m_undo_stack->undo();
auto glyph = m_undo_glyph->restored_code_point();
auto glyph_width = m_undo_glyph->restored_width();
m_glyph_map_widget->set_active_glyph(glyph);
m_glyph_map_widget->scroll_to_glyph(glyph);
if (m_edited_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_edited_font->set_glyph_width(m_glyph_map_widget->active_glyph(), glyph_width);
m_glyph_editor_widget->update();
m_glyph_map_widget->update_glyph(glyph);
update_preview();
update_statusbar();
}
void FontEditorWidget::redo()
{
if (!m_undo_stack->can_redo())
return;
m_undo_stack->redo();
auto glyph = m_undo_glyph->restored_code_point();
auto glyph_width = m_undo_glyph->restored_width();
m_glyph_map_widget->set_active_glyph(glyph);
m_glyph_map_widget->scroll_to_glyph(glyph);
if (m_edited_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_edited_font->set_glyph_width(m_glyph_map_widget->active_glyph(), glyph_width);
m_glyph_editor_widget->update();
m_glyph_map_widget->update_glyph(glyph);
update_preview();
update_statusbar();
}
bool FontEditorWidget::request_close()
{
if (!window()->is_modified())
return true;
auto result = GUI::MessageBox::ask_about_unsaved_changes(window(), m_path, m_undo_stack->last_unmodified_timestamp());
if (result == GUI::MessageBox::ExecYes) {
m_save_action->activate();
if (!window()->is_modified())
return true;
}
if (result == GUI::MessageBox::ExecNo)
return true;
return false;
}
void FontEditorWidget::update_title()
{
StringBuilder title;
if (m_path.is_empty())
title.append("Untitled");
else
title.append(m_path);
title.append("[*] - Font Editor");
window()->set_title(title.to_string());
}
void FontEditorWidget::did_modify_font()
{
if (!window() || window()->is_modified())
return;
window()->set_modified(true);
update_title();
}
void FontEditorWidget::update_statusbar()
{
auto glyph = m_glyph_map_widget->active_glyph();
StringBuilder builder;
builder.appendff("U+{:04X} (", glyph);
if (AK::UnicodeUtils::is_unicode_control_code_point(glyph)) {
builder.append(AK::UnicodeUtils::get_unicode_control_code_point_alias(glyph).value());
} else if (Gfx::get_char_bidi_class(glyph) == Gfx::BidirectionalClass::STRONG_RTL) {
// FIXME: This is a necessary hack, as RTL text will mess up the painting of the statusbar text.
// For now, replace RTL glyphs with U+FFFD, the replacement character.
builder.append_code_point(0xFFFD);
} else {
builder.append_code_point(glyph);
}
builder.append(")");
auto glyph_name = Unicode::code_point_display_name(glyph);
if (glyph_name.has_value()) {
builder.appendff(" {}", glyph_name.value());
}
if (m_edited_font->contains_raw_glyph(glyph))
builder.appendff(" [{}x{}]", m_edited_font->raw_glyph_width(glyph), m_edited_font->glyph_height());
else if (Gfx::Emoji::emoji_for_code_point(glyph))
builder.appendff(" [emoji]");
m_statusbar->set_text(builder.to_string());
}
void FontEditorWidget::update_preview()
{
if (m_font_preview_window)
m_font_preview_window->update();
}
void FontEditorWidget::drop_event(GUI::DropEvent& event)
{
event.accept();
if (event.mime_data().has_urls()) {
auto urls = event.mime_data().urls();
if (urls.is_empty())
return;
window()->move_to_front();
if (!request_close())
return;
open_file(urls.first().path());
}
}
void FontEditorWidget::did_resize_glyph_editor()
{
constexpr int button_width = 22;
constexpr int buttons_per_bar = 4;
constexpr int spacing = (buttons_per_bar - 1) * 2 + 10;
constexpr int glyph_toolbars_width = button_width * buttons_per_bar + spacing;
m_glyph_editor_container->set_fixed_size(m_glyph_editor_widget->preferred_width(), m_glyph_editor_widget->preferred_height());
m_left_column_container->set_fixed_width(max(m_glyph_editor_widget->preferred_width(), glyph_toolbars_width));
}
void FontEditorWidget::config_i32_did_change(String const& domain, String const& group, String const& key, i32 value)
{
if (domain == "FontEditor"sv && group == "GlyphEditor"sv && key == "Scale"sv) {
set_scale(value);
}
}
void FontEditorWidget::config_string_did_change(String const& domain, String const& group, String const& key, String const& value)
{
config_i32_did_change(domain, group, key, value.to_int().value_or(10));
}
void FontEditorWidget::set_scale(i32 scale)
{
m_glyph_editor_widget->set_scale(scale);
}
void FontEditorWidget::set_scale_and_save(i32 scale)
{
set_scale(scale);
Config::write_i32("FontEditor", "GlyphEditor", "Scale", scale);
did_resize_glyph_editor();
}
void FontEditorWidget::copy_selected_glyphs()
{
ByteBuffer buffer;
int first_glyph = -1;
size_t glyph_count = 0;
auto append_glyph_to_buffer = [&](int glyph) {
if (!edited_font().contains_glyph(glyph))
return;
if (first_glyph == -1 || glyph < first_glyph)
first_glyph = glyph;
buffer.append({ (char*)&glyph, sizeof(int) });
auto bitmap = edited_font().raw_glyph(glyph).glyph_bitmap();
buffer.append((u8)bitmap.width());
buffer.append((u8)bitmap.height());
for (int x = 0; x < bitmap.width(); x++) {
for (int y = 0; y < bitmap.height(); y++)
buffer.append(bitmap.bit_at(x, y));
}
glyph_count++;
};
auto selection = m_glyph_map_widget->selection().normalized();
for (int i = selection.start(); i < selection.start() + selection.size(); i++)
append_glyph_to_buffer(i);
HashMap<String, String> metadata;
metadata.set("first_glyph", String::number(first_glyph));
metadata.set("count", String::number(glyph_count));
GUI::Clipboard::the().set_data(buffer.bytes(), "glyph/x-fonteditor", metadata);
}
void FontEditorWidget::cut_selected_glyphs()
{
copy_selected_glyphs();
delete_selected_glyphs();
}
void FontEditorWidget::paste_glyphs()
{
auto [data, mime_type, metadata] = GUI::Clipboard::the().fetch_data_and_type();
if (!mime_type.starts_with("glyph/"))
return;
;
auto glyph_count = metadata.get("count").value_or("0").to_uint().value_or(0);
if (glyph_count == 0)
return;
// FIXME: This is a hack to avoid regression and still doesn't support
// multiple glyphs. It should have done proper undo stack integration.
if (glyph_count == 1) {
if (m_glyph_editor_widget->on_undo_event)
m_glyph_editor_widget->on_undo_event();
}
auto first_glyph = metadata.get("first_glyph").value_or("0").to_uint().value_or(0);
InputMemoryStream stream(data.bytes());
for (size_t s = 0; s < glyph_count; s++) {
int copied_glyph {};
char width {};
char height {};
stream >> Bytes { (char*)&copied_glyph, sizeof(int) } >> width >> height;
if (stream.has_any_error()) {
dbgln("Failed to read glyph from clipboard, aborting!");
return;
}
int glyph = m_glyph_map_widget->active_glyph() + (copied_glyph - first_glyph);
auto bitmap = edited_font().raw_glyph(glyph).glyph_bitmap();
m_edited_font->set_glyph_width(glyph, min(width, edited_font().max_glyph_width()));
for (int x = 0; x < min(width, edited_font().max_glyph_width()); x++) {
for (int y = 0; y < min(height, edited_font().glyph_height()); y++) {
char byte;
stream >> byte;
if (stream.has_any_error()) {
dbgln("Failed to read glyph from clipboard, aborting!");
return;
}
bitmap.set_bit_at(x, y, byte);
}
}
if (m_glyph_editor_widget->on_glyph_altered)
m_glyph_editor_widget->on_glyph_altered(glyph);
}
if (m_edited_font->is_fixed_width())
m_glyph_editor_present_checkbox->set_checked(m_edited_font->contains_raw_glyph(m_glyph_map_widget->active_glyph()), GUI::AllowCallback::No);
else
m_glyph_editor_width_spinbox->set_value(m_edited_font->raw_glyph_width(m_glyph_map_widget->active_glyph()), GUI::AllowCallback::No);
m_glyph_editor_widget->update();
update_statusbar();
}
void FontEditorWidget::delete_selected_glyphs()
{
auto delete_glyph = [&](int glyph) {
auto bitmap = m_edited_font->raw_glyph(glyph).glyph_bitmap();
m_edited_font->set_glyph_width(glyph, 0);
for (int x = 0; x < m_edited_font->max_glyph_width(); x++)
for (int y = 0; y < m_edited_font->glyph_height(); y++)
bitmap.set_bit_at(x, y, false);
if (m_glyph_editor_widget->on_glyph_altered)
m_glyph_editor_widget->on_glyph_altered(glyph);
};
auto selection = m_glyph_map_widget->selection().normalized();
// FIXME: This is a hack to avoid regression and still doesn't support
// multiple glyphs. It should have done proper undo stack integration.
if (selection.size() == 1) {
if (m_glyph_editor_widget->on_undo_event)
m_glyph_editor_widget->on_undo_event();
}
for (int i = selection.start(); i < selection.start() + selection.size(); i++)
delete_glyph(i);
if (m_edited_font->is_fixed_width())
m_glyph_editor_present_checkbox->set_checked(false, GUI::AllowCallback::No);
else
m_glyph_editor_width_spinbox->set_value(0, GUI::AllowCallback::No);
m_glyph_editor_widget->update();
update_statusbar();
}
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