mirror of
https://github.com/RGBCube/serenity
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7ce346e50e
Previously, all keydown KeyEvents were accepted, causing parent widgets not to receive them. With the addition of shortcut handling to keydown, shortcuts were not called when the ImageEditor was focused.
135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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* Copyright (c) 2022, Timothy Slater <tslater2006@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "WandSelectTool.h"
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#include "../ImageEditor.h"
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#include "../Layer.h"
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#include <AK/Queue.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Button.h>
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#include <LibGUI/ComboBox.h>
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#include <LibGUI/ItemListModel.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/Model.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/ValueSlider.h>
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namespace PixelPaint {
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static void set_flood_selection(Gfx::Bitmap& bitmap, Image& image, Gfx::IntPoint const& start_position, Gfx::IntPoint const& selection_offset, int threshold, Selection::MergeMode merge_mode)
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{
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VERIFY(bitmap.bpp() == 32);
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Mask selection_mask = Mask::empty(bitmap.rect());
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auto pixel_reached = [&](Gfx::IntPoint location) {
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selection_mask.set(selection_offset.x() + location.x(), selection_offset.y() + location.y(), 0xFF);
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};
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bitmap.flood_visit_from_point(start_position, threshold, move(pixel_reached));
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selection_mask.shrink_to_fit();
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image.selection().merge(selection_mask, merge_mode);
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}
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bool WandSelectTool::on_keydown(GUI::KeyEvent const& key_event)
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{
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if (key_event.key() == KeyCode::Key_Escape) {
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m_editor->image().selection().clear();
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return true;
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}
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return Tool::on_keydown(key_event);
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}
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void WandSelectTool::on_mousedown(Layer* layer, MouseEvent& event)
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{
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if (!layer)
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return;
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auto& layer_event = event.layer_event();
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if (!layer->rect().contains(layer_event.position()))
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return;
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auto selection_offset = layer->relative_rect().top_left();
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m_editor->image().selection().begin_interactive_selection();
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set_flood_selection(layer->currently_edited_bitmap(), m_editor->image(), layer_event.position(), selection_offset, m_threshold, m_merge_mode);
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m_editor->image().selection().end_interactive_selection();
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m_editor->update();
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m_editor->did_complete_action(tool_name());
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}
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GUI::Widget* WandSelectTool::get_properties_widget()
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{
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if (m_properties_widget) {
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return m_properties_widget.ptr();
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}
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m_properties_widget = GUI::Widget::construct();
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m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
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auto& threshold_container = m_properties_widget->add<GUI::Widget>();
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threshold_container.set_fixed_height(20);
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threshold_container.set_layout<GUI::HorizontalBoxLayout>();
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auto& threshold_label = threshold_container.add<GUI::Label>("Threshold:");
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threshold_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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threshold_label.set_fixed_size(80, 20);
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auto& threshold_slider = threshold_container.add<GUI::ValueSlider>(Orientation::Horizontal, "%");
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threshold_slider.set_range(0, 100);
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threshold_slider.set_value(m_threshold);
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threshold_slider.on_change = [&](int value) {
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m_threshold = value;
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};
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set_primary_slider(&threshold_slider);
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auto& mode_container = m_properties_widget->add<GUI::Widget>();
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mode_container.set_fixed_height(20);
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mode_container.set_layout<GUI::HorizontalBoxLayout>();
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auto& mode_label = mode_container.add<GUI::Label>();
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mode_label.set_text("Mode:");
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mode_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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mode_label.set_fixed_size(80, 20);
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for (int i = 0; i < (int)Selection::MergeMode::__Count; i++) {
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switch ((Selection::MergeMode)i) {
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case Selection::MergeMode::Set:
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m_merge_mode_names.append("Set");
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break;
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case Selection::MergeMode::Add:
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m_merge_mode_names.append("Add");
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break;
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case Selection::MergeMode::Subtract:
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m_merge_mode_names.append("Subtract");
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break;
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case Selection::MergeMode::Intersect:
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m_merge_mode_names.append("Intersect");
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break;
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default:
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VERIFY_NOT_REACHED();
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}
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}
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auto& mode_combo = mode_container.add<GUI::ComboBox>();
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mode_combo.set_only_allow_values_from_model(true);
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mode_combo.set_model(*GUI::ItemListModel<String>::create(m_merge_mode_names));
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mode_combo.set_selected_index((int)m_merge_mode);
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mode_combo.on_change = [this](auto&&, GUI::ModelIndex const& index) {
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VERIFY(index.row() >= 0);
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VERIFY(index.row() < (int)Selection::MergeMode::__Count);
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m_merge_mode = (Selection::MergeMode)index.row();
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};
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return m_properties_widget.ptr();
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}
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}
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