mirror of
https://github.com/RGBCube/serenity
synced 2025-07-27 07:57:46 +00:00
LibGUI+FontEditor: Move GlyphMapWidget to LibGUI
This will allow us to use this in other apps, such as the upcoming Character Map. :^)
This commit is contained in:
Sam Atkins
Andreas Kling
parent
dd17df76e9
commit
8175cd0a28
6 changed files with 28 additions and 21 deletions
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@ -13,7 +13,6 @@ set(SOURCES
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FontEditor.cpp
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FontEditorWindowGML.h
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GlyphEditorWidget.cpp
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GlyphMapWidget.cpp
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main.cpp
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NewFontDialog.cpp
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NewFontDialogPage1GML.h
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@ -6,7 +6,6 @@
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#include "FontEditor.h"
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#include "GlyphEditorWidget.h"
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#include "GlyphMapWidget.h"
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#include "NewFontDialog.h"
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#include <AK/StringBuilder.h>
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#include <AK/UnicodeUtils.h>
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@ -135,7 +134,7 @@ FontEditorWidget::FontEditorWidget()
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m_font_metadata_groupbox = *find_descendant_of_type_named<GUI::GroupBox>("font_metadata_groupbox");
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m_glyph_editor_widget = m_glyph_editor_container->add<GlyphEditorWidget>();
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m_glyph_map_widget = glyph_map_container.add<GlyphMapWidget>();
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m_glyph_map_widget = glyph_map_container.add<GUI::GlyphMapWidget>();
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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&) {
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if (!request_close())
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@ -9,12 +9,12 @@
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#include "UndoGlyph.h"
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#include <LibConfig/Listener.h>
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#include <LibGUI/ActionGroup.h>
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#include <LibGUI/GlyphMapWidget.h>
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#include <LibGUI/UndoStack.h>
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#include <LibGUI/Widget.h>
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#include <LibGfx/BitmapFont.h>
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class GlyphEditorWidget;
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class GlyphMapWidget;
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class FontEditorWidget final
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: public GUI::Widget
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@ -62,7 +62,7 @@ private:
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RefPtr<Gfx::BitmapFont> m_edited_font;
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RefPtr<GlyphMapWidget> m_glyph_map_widget;
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RefPtr<GUI::GlyphMapWidget> m_glyph_map_widget;
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RefPtr<GlyphEditorWidget> m_glyph_editor_widget;
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RefPtr<GUI::Action> m_new_action;
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@ -1,265 +0,0 @@
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Mustafa Quraish <mustafa@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "GlyphMapWidget.h"
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#include <AK/MemoryStream.h>
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#include <LibGUI/Clipboard.h>
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#include <LibGUI/Painter.h>
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#include <LibGfx/BitmapFont.h>
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#include <LibGfx/Emoji.h>
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#include <LibGfx/Palette.h>
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GlyphMapWidget::Selection GlyphMapWidget::Selection::normalized() const
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{
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if (m_size > 0)
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return *this;
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return { m_start + m_size, -m_size + 1 };
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}
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void GlyphMapWidget::Selection::resize_by(int i)
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{
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m_size += i;
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if (m_size == 0) {
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if (i < 0)
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m_size--;
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else
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m_size++;
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}
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}
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bool GlyphMapWidget::Selection::contains(int i) const
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{
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auto this_normalized = normalized();
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return i >= this_normalized.m_start && i < this_normalized.m_start + this_normalized.m_size;
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}
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void GlyphMapWidget::Selection::extend_to(int glyph)
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{
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m_size = glyph - m_start;
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if (m_size > 0)
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m_size++;
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}
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GlyphMapWidget::GlyphMapWidget()
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{
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set_focus_policy(GUI::FocusPolicy::StrongFocus);
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horizontal_scrollbar().set_visible(false);
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}
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GlyphMapWidget::~GlyphMapWidget()
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{
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}
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void GlyphMapWidget::initialize(Gfx::BitmapFont& mutable_font)
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{
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if (m_font == mutable_font)
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return;
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m_font = mutable_font;
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vertical_scrollbar().set_step(font().glyph_height() + m_vertical_spacing);
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set_active_glyph('A');
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}
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void GlyphMapWidget::resize_event(GUI::ResizeEvent& event)
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{
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if (!m_font)
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return;
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int event_width = event.size().width() - vertical_scrollbar().width() - (frame_thickness() * 2) - m_horizontal_spacing;
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int event_height = event.size().height() - (frame_thickness() * 2);
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m_visible_glyphs = (event_width * event_height) / (font().max_glyph_width() * font().glyph_height());
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m_columns = max(event_width / (font().max_glyph_width() + m_horizontal_spacing), 1);
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m_rows = ceil_div(m_glyph_count, m_columns);
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int content_width = columns() * (font().max_glyph_width() + m_horizontal_spacing);
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int content_height = rows() * (font().glyph_height() + m_vertical_spacing) + frame_thickness();
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set_content_size({ content_width, content_height });
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scroll_to_glyph(m_active_glyph);
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AbstractScrollableWidget::resize_event(event);
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}
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void GlyphMapWidget::set_active_glyph(int glyph, ShouldResetSelection should_reset_selection)
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{
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if (m_active_glyph == glyph)
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return;
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m_active_glyph = glyph;
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if (should_reset_selection == ShouldResetSelection::Yes) {
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m_selection.set_start(glyph);
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m_selection.set_size(1);
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}
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if (on_active_glyph_changed)
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on_active_glyph_changed(glyph);
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update();
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}
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Gfx::IntRect GlyphMapWidget::get_outer_rect(int glyph) const
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{
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int row = glyph / columns();
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int column = glyph % columns();
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return Gfx::IntRect {
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column * (font().max_glyph_width() + m_horizontal_spacing) + 1,
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row * (font().glyph_height() + m_vertical_spacing) + 1,
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font().max_glyph_width() + m_horizontal_spacing,
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font().glyph_height() + m_horizontal_spacing
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}
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.translated(frame_thickness() - horizontal_scrollbar().value(), frame_thickness() - vertical_scrollbar().value());
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}
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void GlyphMapWidget::update_glyph(int glyph)
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{
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update(get_outer_rect(glyph));
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}
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void GlyphMapWidget::paint_event(GUI::PaintEvent& event)
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{
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GUI::Frame::paint_event(event);
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GUI::Painter painter(*this);
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painter.add_clip_rect(widget_inner_rect());
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painter.add_clip_rect(event.rect());
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painter.set_font(font());
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painter.fill_rect(widget_inner_rect(), palette().inactive_window_title());
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int scroll_steps = vertical_scrollbar().value() / vertical_scrollbar().step();
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int first_visible_glyph = scroll_steps * columns();
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for (int glyph = first_visible_glyph; glyph <= first_visible_glyph + m_visible_glyphs && glyph < m_glyph_count; ++glyph) {
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Gfx::IntRect outer_rect = get_outer_rect(glyph);
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Gfx::IntRect inner_rect(
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outer_rect.x() + m_horizontal_spacing / 2,
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outer_rect.y() + m_vertical_spacing / 2,
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font().max_glyph_width(),
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font().glyph_height());
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if (m_selection.contains(glyph)) {
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painter.fill_rect(outer_rect, is_focused() ? palette().selection() : palette().inactive_selection());
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if (m_font->contains_raw_glyph(glyph))
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painter.draw_glyph(inner_rect.location(), glyph, is_focused() ? palette().selection_text() : palette().inactive_selection_text());
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else if (auto* emoji = Gfx::Emoji::emoji_for_code_point(glyph))
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painter.draw_emoji(inner_rect.location(), *emoji, *m_font);
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} else if (m_font->contains_raw_glyph(glyph)) {
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painter.fill_rect(outer_rect, palette().base());
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painter.draw_glyph(inner_rect.location(), glyph, palette().base_text());
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} else if (auto* emoji = Gfx::Emoji::emoji_for_code_point(glyph)) {
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painter.fill_rect(outer_rect, Gfx::Color { 255, 150, 150 });
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painter.draw_emoji(inner_rect.location(), *emoji, *m_font);
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}
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}
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painter.draw_focus_rect(get_outer_rect(m_active_glyph), Gfx::Color::Black);
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}
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void GlyphMapWidget::mousedown_event(GUI::MouseEvent& event)
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{
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GUI::Frame::mousedown_event(event);
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Gfx::IntPoint map_offset { frame_thickness() - horizontal_scrollbar().value(), frame_thickness() - vertical_scrollbar().value() };
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auto map_position = event.position() - map_offset;
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auto col = (map_position.x() - 1) / ((font().max_glyph_width() + m_horizontal_spacing));
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auto row = (map_position.y() - 1) / ((font().glyph_height() + m_vertical_spacing));
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auto glyph = row * columns() + col;
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if (row >= 0 && row < rows() && col >= 0 && col < columns() && glyph < m_glyph_count) {
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if (event.shift())
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m_selection.extend_to(glyph);
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else {
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m_selection.set_size(1);
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m_selection.set_start(glyph);
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}
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set_active_glyph(glyph, ShouldResetSelection::No);
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}
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}
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void GlyphMapWidget::keydown_event(GUI::KeyEvent& event)
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{
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GUI::Frame::keydown_event(event);
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if (!event.ctrl() && !event.shift()) {
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m_selection.set_size(1);
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m_selection.set_start(m_active_glyph);
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}
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if (event.key() == KeyCode::Key_Up) {
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if (m_selection.start() >= m_columns) {
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if (event.shift())
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m_selection.resize_by(-m_columns);
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else
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m_selection.set_start(m_selection.start() - m_columns);
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set_active_glyph(m_active_glyph - m_columns, ShouldResetSelection::No);
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scroll_to_glyph(m_active_glyph);
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return;
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}
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}
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if (event.key() == KeyCode::Key_Down) {
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if (m_selection.start() < m_glyph_count - m_columns) {
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if (event.shift())
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m_selection.resize_by(m_columns);
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else
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m_selection.set_start(m_selection.start() + m_columns);
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set_active_glyph(m_active_glyph + m_columns, ShouldResetSelection::No);
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scroll_to_glyph(m_active_glyph);
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return;
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}
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}
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if (event.key() == KeyCode::Key_Left) {
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if (m_selection.start() > 0) {
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if (event.shift())
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m_selection.resize_by(-1);
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else
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m_selection.set_start(m_selection.start() - 1);
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set_active_glyph(m_active_glyph - 1, ShouldResetSelection::No);
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scroll_to_glyph(m_active_glyph);
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return;
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}
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}
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if (event.key() == KeyCode::Key_Right) {
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if (m_selection.start() < m_glyph_count - 1) {
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if (event.shift())
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m_selection.resize_by(1);
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else
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m_selection.set_start(m_selection.start() + 1);
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set_active_glyph(m_active_glyph + 1, ShouldResetSelection::No);
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scroll_to_glyph(m_active_glyph);
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return;
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}
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}
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// FIXME: Support selection for these.
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if (event.ctrl() && event.key() == KeyCode::Key_Home) {
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set_active_glyph(0);
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scroll_to_glyph(m_active_glyph);
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return;
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}
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if (event.ctrl() && event.key() == KeyCode::Key_End) {
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set_active_glyph(m_glyph_count - 1);
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scroll_to_glyph(m_active_glyph);
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return;
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}
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if (!event.ctrl() && event.key() == KeyCode::Key_Home) {
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set_active_glyph(m_active_glyph / m_columns * m_columns);
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return;
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}
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if (!event.ctrl() && event.key() == KeyCode::Key_End) {
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int new_selection = m_active_glyph / m_columns * m_columns + (m_columns - 1);
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int max = m_glyph_count - 1;
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new_selection = clamp(new_selection, 0, max);
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set_active_glyph(new_selection);
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return;
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}
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}
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void GlyphMapWidget::scroll_to_glyph(int glyph)
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{
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int row = glyph / columns();
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int column = glyph % columns();
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auto scroll_rect = Gfx::IntRect {
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column * (font().max_glyph_width() + m_horizontal_spacing) + 1,
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row * (font().glyph_height() + m_vertical_spacing) + 1,
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font().max_glyph_width() + m_horizontal_spacing,
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font().glyph_height() + m_horizontal_spacing
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};
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scroll_into_view(scroll_rect, true, true);
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}
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@ -1,89 +0,0 @@
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Vector.h>
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#include <LibGUI/AbstractScrollableWidget.h>
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#include <LibGUI/TextRange.h>
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#include <LibGfx/BitmapFont.h>
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class GlyphMapWidget final : public GUI::AbstractScrollableWidget {
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C_OBJECT(GlyphMapWidget)
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public:
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virtual ~GlyphMapWidget() override;
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void initialize(Gfx::BitmapFont&);
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class Selection {
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public:
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Selection() = default;
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Selection(int start, int size)
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: m_start(start)
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, m_size(size)
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{
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}
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int size() const { return m_size; }
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void set_size(int i) { m_size = i; }
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int start() const { return m_start; }
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void set_start(int i) { m_start = i; }
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Selection normalized() const;
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bool contains(int) const;
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void resize_by(int i);
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void extend_to(int);
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private:
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int m_start { 0 };
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int m_size { 1 };
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};
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Selection selection() const { return m_selection; }
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int active_glyph() const { return m_active_glyph; }
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enum class ShouldResetSelection {
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Yes,
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No
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};
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void set_active_glyph(int, ShouldResetSelection = ShouldResetSelection::Yes);
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void clear_selection() { m_selection.set_size(0); }
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void scroll_to_glyph(int);
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void update_glyph(int);
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int rows() const { return m_rows; }
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int columns() const { return m_columns; }
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Gfx::BitmapFont& font() { return *m_font; }
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Gfx::BitmapFont const& font() const { return *m_font; }
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Function<void(int)> on_active_glyph_changed;
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private:
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GlyphMapWidget();
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void keydown_event(GUI::KeyEvent&) override;
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virtual void resize_event(GUI::ResizeEvent&) override;
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Gfx::IntRect get_outer_rect(int glyph) const;
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void cut_glyph(int glyph);
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void copy_glyph(int glyph);
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void paste_glyph(int glyph);
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void delete_glyph(int glyph);
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RefPtr<Gfx::BitmapFont> m_font;
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int m_glyph_count { 0x110000 };
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int m_columns { 0 };
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int m_rows { 0 };
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int m_horizontal_spacing { 2 };
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int m_vertical_spacing { 2 };
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Selection m_selection;
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int m_active_glyph { 0 };
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int m_visible_glyphs { 0 };
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};
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