PixelPaint: Move Tools to it's own subdirectory

The PixelPaint source directory was getting a bit large, let's move all the Tools to it's own subdirectory. Also remove some unused includes.
2025-07-25 04:57:44 +00:00 · 2021-09-17 09:54:55 +02:00 · 2021-09-17 09:54:55 +02:00 · f9e0815c3b
commit f9e0815c3b
parent 61ad239ee0
35 changed files with 67 additions and 69 deletions
--- a/Userland/Applications/PixelPaint/Tools/GuideTool.cpp
+++ b/Userland/Applications/PixelPaint/Tools/GuideTool.cpp
@ -0,0 +1,214 @@
+/*
+ * Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "GuideTool.h"
+#include "../EditGuideDialog.h"
+#include <LibGUI/Application.h>
+#include <LibGUI/BoxLayout.h>
+#include <LibGUI/Label.h>
+#include <LibGUI/Menu.h>
+#include <LibGUI/ValueSlider.h>
+#include <LibGUI/Widget.h>
+
+namespace PixelPaint {
+
+GuideTool::GuideTool()
+{
+}
+
+GuideTool::~GuideTool()
+{
+}
+
+RefPtr<Guide> GuideTool::closest_guide(const Gfx::IntPoint& point)
+{
+    auto guides = editor()->guides();
+    Guide* closest_guide = nullptr;
+    int closest_guide_distance = NumericLimits<int>::max();
+
+    for (auto& guide : guides) {
+        int relevant_position = 0;
+        if (guide.orientation() == Guide::Orientation::Horizontal)
+            relevant_position = point.y();
+        else if (guide.orientation() == Guide::Orientation::Vertical)
+            relevant_position = point.x();
+
+        auto distance = abs(relevant_position - (int)guide.offset());
+
+        if (distance < closest_guide_distance) {
+            closest_guide = &guide;
+            closest_guide_distance = distance;
+        }
+    }
+
+    if (closest_guide_distance < 20)
+        return closest_guide;
+    return nullptr;
+}
+
+void GuideTool::on_mousedown(Layer*, MouseEvent& event)
+{
+    if (!m_editor)
+        return;
+
+    auto& image_event = event.image_event();
+
+    if (image_event.button() != GUI::MouseButton::Left)
+        return;
+
+    m_editor->set_guide_visibility(true);
+
+    RefPtr<Guide> new_guide;
+    if (image_event.position().x() < 0 || image_event.position().x() > editor()->image().size().width()) {
+        new_guide = make_ref_counted<Guide>(Guide::Orientation::Vertical, image_event.position().x());
+    } else if (image_event.position().y() < 0 || image_event.position().y() > editor()->image().size().height()) {
+        new_guide = make_ref_counted<Guide>(Guide::Orientation::Horizontal, image_event.position().y());
+    }
+
+    if (new_guide) {
+        m_selected_guide = new_guide;
+        m_guide_origin = 0;
+        editor()->add_guide(new_guide.release_nonnull());
+        return;
+    }
+
+    m_event_origin = image_event.position();
+
+    m_selected_guide = closest_guide(image_event.position());
+
+    if (m_selected_guide) {
+        m_guide_origin = m_selected_guide->offset();
+        GUI::Application::the()->show_tooltip_immediately(String::formatted("{}", m_guide_origin), GUI::Application::the()->tooltip_source_widget());
+    }
+}
+
+void GuideTool::on_mouseup(Layer*, MouseEvent&)
+{
+    m_guide_origin = 0;
+    m_event_origin = { 0, 0 };
+    GUI::Application::the()->hide_tooltip();
+
+    if (!m_selected_guide)
+        return;
+
+    if (m_selected_guide->offset() < 0
+        || (m_selected_guide->orientation() == Guide::Orientation::Horizontal && m_selected_guide->offset() > editor()->image().size().height())
+        || (m_selected_guide->orientation() == Guide::Orientation::Vertical && m_selected_guide->offset() > editor()->image().size().width())) {
+        editor()->remove_guide(*m_selected_guide);
+        editor()->layers_did_change();
+    }
+
+    m_selected_guide = nullptr;
+}
+
+void GuideTool::on_mousemove(Layer*, MouseEvent& event)
+{
+    if (!m_selected_guide)
+        return;
+
+    auto& image_event = event.image_event();
+    auto delta = image_event.position() - m_event_origin;
+
+    auto relevant_offset = 0;
+    if (m_selected_guide->orientation() == Guide::Orientation::Horizontal)
+        relevant_offset = delta.y();
+    else if (m_selected_guide->orientation() == Guide::Orientation::Vertical)
+        relevant_offset = delta.x();
+
+    auto new_offset = (float)relevant_offset + m_guide_origin;
+
+    if (image_event.shift() && m_snap_size > 0) {
+        float snap_size_half = m_snap_size / 2.0;
+        new_offset -= fmodf(new_offset + snap_size_half, m_snap_size) - snap_size_half;
+    }
+
+    m_selected_guide->set_offset(new_offset);
+
+    GUI::Application::the()->show_tooltip_immediately(String::formatted("{}", new_offset), GUI::Application::the()->tooltip_source_widget());
+
+    editor()->layers_did_change();
+}
+
+void GuideTool::on_context_menu(Layer*, GUI::ContextMenuEvent& event)
+{
+    if (!m_editor)
+        return;
+
+    m_editor->set_guide_visibility(true);
+
+    if (!m_context_menu) {
+        m_context_menu = GUI::Menu::construct();
+        m_context_menu->add_action(GUI::Action::create(
+            "Set &Offset", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/gear.png"), [this](auto&) {
+                if (!m_context_menu_guide)
+                    return;
+                auto dialog = EditGuideDialog::construct(
+                    editor()->window(),
+                    String::formatted("{}", m_context_menu_guide->offset()),
+                    m_context_menu_guide->orientation());
+                if (dialog->exec() != GUI::Dialog::ExecOK)
+                    return;
+                auto offset = dialog->offset_as_pixel(*editor());
+                if (!offset.has_value())
+                    return;
+                m_context_menu_guide->set_offset(offset.release_value());
+                m_context_menu_guide->set_orientation(dialog->orientation());
+                editor()->layers_did_change();
+            },
+            editor()));
+        m_context_menu->add_action(GUI::Action::create(
+            "&Delete Guide", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/delete.png"), [this](auto&) {
+                if (!m_context_menu_guide)
+                    return;
+                editor()->remove_guide(*m_context_menu_guide);
+                m_selected_guide = nullptr;
+                m_guide_origin = 0;
+                editor()->layers_did_change();
+            },
+            editor()));
+    }
+
+    auto image_position = editor()->editor_position_to_image_position(event.position());
+    m_context_menu_guide = closest_guide({ (int)image_position.x(), (int)image_position.y() });
+    if (m_context_menu_guide)
+        m_context_menu->popup(event.screen_position());
+}
+
+void GuideTool::on_tool_activation()
+{
+    if (m_editor)
+        m_editor->set_guide_visibility(true);
+}
+
+GUI::Widget* GuideTool::get_properties_widget()
+{
+    if (!m_properties_widget) {
+        m_properties_widget = GUI::Widget::construct();
+        m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
+
+        auto& snapping_container = m_properties_widget->add<GUI::Widget>();
+        snapping_container.set_fixed_height(20);
+        snapping_container.set_layout<GUI::HorizontalBoxLayout>();
+
+        auto& snapping_label = snapping_container.add<GUI::Label>("Snap offset:");
+        snapping_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
+        snapping_label.set_fixed_size(80, 20);
+        snapping_label.set_tooltip("Press Shift to snap");
+
+        auto& snapping_slider = snapping_container.add<GUI::ValueSlider>(Orientation::Horizontal, "px");
+        snapping_slider.set_range(0, 50);
+        snapping_slider.set_value(m_snap_size);
+
+        snapping_slider.on_change = [&](int value) {
+            m_snap_size = value;
+        };
+        set_primary_slider(&snapping_slider);
+    }
+
+    return m_properties_widget.ptr();
+}
+
+}