PaintBrush: Remove the PaintableWidget

Moved the current colors to ImageEditor for now, although I don't think
that will be their final home.

Applications/PaintBrush/BucketTool.cpp

@@ -27,7 +27,6 @@
 #include "BucketTool.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <AK/Queue.h>
 #include <AK/SinglyLinkedList.h>
 #include <LibGUI/Painter.h>
@@ -86,7 +85,7 @@ void BucketTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEv
     GUI::Painter painter(layer.bitmap());
     auto target_color = layer.bitmap().get_pixel(event.x(), event.y());
 
-    flood_fill(layer.bitmap(), event.position(), target_color, PaintableWidget::the().color_for(event));
+    flood_fill(layer.bitmap(), event.position(), target_color, m_editor->color_for(event));
 
     m_editor->update();
 }

Applications/PaintBrush/EllipseTool.cpp

@@ -27,7 +27,6 @@
 #include "EllipseTool.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <LibGUI/Action.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/Painter.h>
@@ -49,7 +48,7 @@ void EllipseTool::draw_using(GUI::Painter& painter)
     auto ellipse_intersecting_rect = Gfx::Rect::from_two_points(m_ellipse_start_position, m_ellipse_end_position);
     switch (m_mode) {
     case Mode::Outline:
-        painter.draw_ellipse_intersecting(ellipse_intersecting_rect, PaintableWidget::the().color_for(m_drawing_button), m_thickness);
+        painter.draw_ellipse_intersecting(ellipse_intersecting_rect, m_editor->color_for(m_drawing_button), m_thickness);
         break;
     default:
         ASSERT_NOT_REACHED();

Applications/PaintBrush/EraseTool.cpp

@@ -27,7 +27,6 @@
 #include "EraseTool.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <LibGUI/Action.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/Painter.h>
@@ -110,7 +109,7 @@ void EraseTool::on_contextmenu(GUI::ContextMenuEvent& event)
 Color EraseTool::get_color() const
 {
     if (m_use_secondary_color)
-        return PaintableWidget::the().secondary_color();
+        return m_editor->secondary_color();
     return Color(255, 255, 255, 0);
 }
 

Applications/PaintBrush/ImageEditor.cpp

@@ -126,4 +126,41 @@ void ImageEditor::layers_did_change()
     update();
 }
 
+Color ImageEditor::color_for(GUI::MouseButton button) const
+{
+    if (button == GUI::MouseButton::Left)
+        return m_primary_color;
+    if (button == GUI::MouseButton::Right)
+        return m_secondary_color;
+    ASSERT_NOT_REACHED();
+}
+
+Color ImageEditor::color_for(const GUI::MouseEvent& event) const
+{
+    if (event.buttons() & GUI::MouseButton::Left)
+        return m_primary_color;
+    if (event.buttons() & GUI::MouseButton::Right)
+        return m_secondary_color;
+    ASSERT_NOT_REACHED();
+}
+
+void ImageEditor::set_primary_color(Color color)
+{
+    if (m_primary_color == color)
+        return;
+    m_primary_color = color;
+    if (on_primary_color_change)
+        on_primary_color_change(color);
+}
+
+void ImageEditor::set_secondary_color(Color color)
+{
+    if (m_secondary_color == color)
+        return;
+    m_secondary_color = color;
+    if (on_secondary_color_change)
+        on_secondary_color_change(color);
+}
+
+
 }

Applications/PaintBrush/ImageEditor.h

@@ -51,6 +51,18 @@ public:
 
     void layers_did_change();
 
+    Color primary_color() const { return m_primary_color; }
+    void set_primary_color(Color);
+
+    Color secondary_color() const { return m_secondary_color; }
+    void set_secondary_color(Color);
+
+    Color color_for(const GUI::MouseEvent&) const;
+    Color color_for(GUI::MouseButton) const;
+
+    Function<void(Color)> on_primary_color_change;
+    Function<void(Color)> on_secondary_color_change;
+
 private:
     ImageEditor();
 
@@ -63,6 +75,9 @@ private:
     RefPtr<Layer> m_active_layer;
 
     Tool* m_active_tool { nullptr };
+
+    Color m_primary_color { Color::Black };
+    Color m_secondary_color { Color::White };
 };
 
 }

Applications/PaintBrush/LineTool.cpp

@@ -27,7 +27,6 @@
 #include "LineTool.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <LibGUI/Action.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/Painter.h>
@@ -74,7 +73,7 @@ void LineTool::on_mouseup(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent&
 {
     if (event.button() == m_drawing_button) {
         GUI::Painter painter(layer.bitmap());
-        painter.draw_line(m_line_start_position, m_line_end_position, PaintableWidget::the().color_for(m_drawing_button), m_thickness);
+        painter.draw_line(m_line_start_position, m_line_end_position, m_editor->color_for(m_drawing_button), m_thickness);
         m_drawing_button = GUI::MouseButton::None;
         m_editor->update();
     }

Applications/PaintBrush/Makefile

@@ -8,7 +8,6 @@ OBJS = \
     LayerModel.o \
     LineTool.o \
     MoveTool.o \
-    PaintableWidget.o \
     PaletteWidget.o \
     PenTool.o \
     PickerTool.o \

Applications/PaintBrush/MoveTool.cpp

@@ -27,7 +27,6 @@
 #include "MoveTool.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
 

Applications/PaintBrush/PaintableWidget.cpp

@@ -1,97 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "PaintableWidget.h"
-#include "Tool.h"
-#include <LibGUI/Painter.h>
-#include <LibGfx/Bitmap.h>
-#include <LibGfx/Palette.h>
-
-static PaintableWidget* s_the;
-
-PaintableWidget& PaintableWidget::the()
-{
-    return *s_the;
-}
-
-PaintableWidget::PaintableWidget()
-{
-    ASSERT(!s_the);
-    s_the = this;
-    set_fill_with_background_color(true);
-    auto pal = palette();
-    pal.set_color(ColorRole::Window, Color::MidGray);
-    set_palette(pal);
-    set_background_color(Color::MidGray);
-    m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGBA32, { 600, 400 });
-    m_bitmap->fill(Color(255, 255, 255, 0));
-}
-
-PaintableWidget::~PaintableWidget()
-{
-}
-
-Color PaintableWidget::color_for(GUI::MouseButton button) const
-{
-    if (button == GUI::MouseButton::Left)
-        return m_primary_color;
-    if (button == GUI::MouseButton::Right)
-        return m_secondary_color;
-    ASSERT_NOT_REACHED();
-}
-
-Color PaintableWidget::color_for(const GUI::MouseEvent& event) const
-{
-    if (event.buttons() & GUI::MouseButton::Left)
-        return m_primary_color;
-    if (event.buttons() & GUI::MouseButton::Right)
-        return m_secondary_color;
-    ASSERT_NOT_REACHED();
-}
-
-void PaintableWidget::set_primary_color(Color color)
-{
-    if (m_primary_color == color)
-        return;
-    m_primary_color = color;
-    if (on_primary_color_change)
-        on_primary_color_change(color);
-}
-
-void PaintableWidget::set_secondary_color(Color color)
-{
-    if (m_secondary_color == color)
-        return;
-    m_secondary_color = color;
-    if (on_secondary_color_change)
-        on_secondary_color_change(color);
-}
-
-void PaintableWidget::set_bitmap(const Gfx::Bitmap& bitmap)
-{
-    m_bitmap = bitmap;
-    update();
-}

Applications/PaintBrush/PaintableWidget.h

@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <LibGUI/Widget.h>
-
-class PaintableWidget final : public GUI::Widget {
-    C_OBJECT(PaintableWidget)
-public:
-    static PaintableWidget& the();
-
-    virtual ~PaintableWidget() override;
-
-    Color primary_color() const { return m_primary_color; }
-    Color secondary_color() const { return m_secondary_color; }
-
-    void set_primary_color(Color);
-    void set_secondary_color(Color);
-
-    Color color_for(const GUI::MouseEvent&) const;
-    Color color_for(GUI::MouseButton) const;
-
-    void set_bitmap(const Gfx::Bitmap&);
-
-    Gfx::Bitmap& bitmap() { return *m_bitmap; }
-    const Gfx::Bitmap& bitmap() const { return *m_bitmap; }
-
-    Function<void(Color)> on_primary_color_change;
-    Function<void(Color)> on_secondary_color_change;
-
-private:
-    PaintableWidget();
-
-    RefPtr<Gfx::Bitmap> m_bitmap;
-
-    Color m_primary_color { Color::Black };
-    Color m_secondary_color { Color::White };
-};

Applications/PaintBrush/PaletteWidget.cpp

@@ -25,13 +25,16 @@
  */
 
 #include "PaletteWidget.h"
-#include "PaintableWidget.h"
+#include "ImageEditor.h"
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/ColorPicker.h>
 #include <LibGfx/Palette.h>
 
+namespace PaintBrush {
+
 class ColorWidget : public GUI::Frame {
-    C_OBJECT(ColorWidget)
+    C_OBJECT(ColorWidget);
+
 public:
     explicit ColorWidget(Color color, PaletteWidget& palette_widget)
         : m_palette_widget(palette_widget)
@@ -68,8 +71,8 @@ private:
     Color m_color;
 };
 
-PaletteWidget::PaletteWidget(PaintableWidget& paintable_widget)
-    : m_paintable_widget(paintable_widget)
+PaletteWidget::PaletteWidget(ImageEditor& editor)
+    : m_editor(editor)
 {
     set_frame_shape(Gfx::FrameShape::Panel);
     set_frame_shadow(Gfx::FrameShadow::Raised);
@@ -82,20 +85,20 @@ PaletteWidget::PaletteWidget(PaintableWidget& paintable_widget)
     m_secondary_color_widget = add<GUI::Frame>();
     m_secondary_color_widget->set_relative_rect({ 2, 2, 60, 31 });
     m_secondary_color_widget->set_fill_with_background_color(true);
-    set_secondary_color(paintable_widget.secondary_color());
+    set_secondary_color(m_editor.secondary_color());
 
     m_primary_color_widget = add<GUI::Frame>();
     Gfx::Rect rect { 0, 0, 38, 15 };
     rect.center_within(m_secondary_color_widget->relative_rect());
     m_primary_color_widget->set_relative_rect(rect);
     m_primary_color_widget->set_fill_with_background_color(true);
-    set_primary_color(paintable_widget.primary_color());
+    set_primary_color(m_editor.primary_color());
 
-    paintable_widget.on_primary_color_change = [this](Color color) {
+    m_editor.on_primary_color_change = [this](Color color) {
         set_primary_color(color);
     };
 
-    paintable_widget.on_secondary_color_change = [this](Color color) {
+    m_editor.on_secondary_color_change = [this](Color color) {
         set_secondary_color(color);
     };
 
@@ -157,7 +160,7 @@ PaletteWidget::~PaletteWidget()
 
 void PaletteWidget::set_primary_color(Color color)
 {
-    m_paintable_widget.set_primary_color(color);
+    m_editor.set_primary_color(color);
     auto pal = m_primary_color_widget->palette();
     pal.set_color(ColorRole::Background, color);
     m_primary_color_widget->set_palette(pal);
@@ -166,9 +169,11 @@ void PaletteWidget::set_primary_color(Color color)
 
 void PaletteWidget::set_secondary_color(Color color)
 {
-    m_paintable_widget.set_secondary_color(color);
+    m_editor.set_secondary_color(color);
     auto pal = m_secondary_color_widget->palette();
     pal.set_color(ColorRole::Background, color);
     m_secondary_color_widget->set_palette(pal);
     m_secondary_color_widget->update();
 }
+
+}

Applications/PaintBrush/PaletteWidget.h

@@ -28,19 +28,25 @@
 
 #include <LibGUI/Frame.h>
 
-class PaintableWidget;
+namespace PaintBrush {
+
+class ImageEditor;
 
 class PaletteWidget final : public GUI::Frame {
-    C_OBJECT(PaletteWidget)
+    C_OBJECT(PaletteWidget);
+
 public:
-    explicit PaletteWidget(PaintableWidget&);
     virtual ~PaletteWidget() override;
 
     void set_primary_color(Color);
     void set_secondary_color(Color);
 
 private:
-    PaintableWidget& m_paintable_widget;
+    explicit PaletteWidget(ImageEditor&);
+
+    ImageEditor& m_editor;
     RefPtr<GUI::Frame> m_primary_color_widget;
     RefPtr<GUI::Frame> m_secondary_color_widget;
 };
+
+}

Applications/PaintBrush/PenTool.cpp

@@ -27,7 +27,6 @@
 #include "PenTool.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <LibGUI/Action.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/Painter.h>
@@ -48,7 +47,7 @@ void PenTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent
         return;
 
     GUI::Painter painter(layer.bitmap());
-    painter.draw_line(event.position(), event.position(), PaintableWidget::the().color_for(event), m_thickness);
+    painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
     m_editor->update();
     m_last_drawing_event_position = event.position();
 }
@@ -68,9 +67,9 @@ void PenTool::on_mousemove(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent
         GUI::Painter painter(layer.bitmap());
 
         if (m_last_drawing_event_position != Gfx::Point(-1, -1))
-            painter.draw_line(m_last_drawing_event_position, event.position(), PaintableWidget::the().color_for(event), m_thickness);
+            painter.draw_line(m_last_drawing_event_position, event.position(), m_editor->color_for(event), m_thickness);
         else
-            painter.draw_line(event.position(), event.position(), PaintableWidget::the().color_for(event), m_thickness);
+            painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
         m_editor->update();
 
         m_last_drawing_event_position = event.position();

Applications/PaintBrush/PickerTool.cpp

@@ -25,8 +25,8 @@
  */
 
 #include "PickerTool.h"
+#include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <LibGfx/Bitmap.h>
 
 namespace PaintBrush {
@@ -45,9 +45,9 @@ void PickerTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEv
         return;
     auto color = layer.bitmap().get_pixel(event.position());
     if (event.button() == GUI::MouseButton::Left)
-        PaintableWidget::the().set_primary_color(color);
+        m_editor->set_primary_color(color);
     else if (event.button() == GUI::MouseButton::Right)
-        PaintableWidget::the().set_secondary_color(color);
+        m_editor->set_secondary_color(color);
 }
 
 }

Applications/PaintBrush/RectangleTool.cpp

@@ -27,7 +27,6 @@
 #include "RectangleTool.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <LibGUI/Action.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/Painter.h>
@@ -49,13 +48,13 @@ void RectangleTool::draw_using(GUI::Painter& painter)
     auto rect_to_draw = Gfx::Rect::from_two_points(m_rectangle_start_position, m_rectangle_end_position);
     switch (m_mode) {
     case Mode::Fill:
-        painter.fill_rect(rect_to_draw, PaintableWidget::the().color_for(m_drawing_button));
+        painter.fill_rect(rect_to_draw, m_editor->color_for(m_drawing_button));
         break;
     case Mode::Outline:
-        painter.draw_rect(rect_to_draw, PaintableWidget::the().color_for(m_drawing_button));
+        painter.draw_rect(rect_to_draw, m_editor->color_for(m_drawing_button));
         break;
     case Mode::Gradient:
-        painter.fill_rect_with_gradient(rect_to_draw, PaintableWidget::the().primary_color(), PaintableWidget::the().secondary_color());
+        painter.fill_rect_with_gradient(rect_to_draw, m_editor->primary_color(), m_editor->secondary_color());
         break;
     default:
         ASSERT_NOT_REACHED();

Applications/PaintBrush/SprayTool.cpp

@@ -27,7 +27,6 @@
 #include "SprayTool.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include <AK/Queue.h>
 #include <AK/SinglyLinkedList.h>
 #include <LibGUI/Action.h>
@@ -87,7 +86,7 @@ void SprayTool::on_mousedown(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
     if (!m_editor->rect().contains(event.position()))
         return;
 
-    m_color = PaintableWidget::the().color_for(event);
+    m_color = m_editor->color_for(event);
     m_last_pos = event.position();
     m_timer->start();
     paint_it();

Applications/PaintBrush/ToolboxWidget.cpp

@@ -30,7 +30,6 @@
 #include "EraseTool.h"
 #include "LineTool.h"
 #include "MoveTool.h"
-#include "PaintableWidget.h"
 #include "PenTool.h"
 #include "PickerTool.h"
 #include "RectangleTool.h"

Applications/PaintBrush/main.cpp

@@ -27,7 +27,6 @@
 #include "Image.h"
 #include "ImageEditor.h"
 #include "Layer.h"
-#include "PaintableWidget.h"
 #include "PaletteWidget.h"
 #include "ToolboxWidget.h"
 #include <LibGUI/AboutDialog.h>
@@ -80,10 +79,7 @@ int main(int argc, char** argv)
         image_editor.set_active_tool(tool);
     };
 
-    auto& paintable_widget = vertical_container.add<PaintableWidget>();
-    paintable_widget.set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
-    paintable_widget.set_preferred_size(0, 0);
-    vertical_container.add<PaletteWidget>(paintable_widget);
+    vertical_container.add<PaintBrush::PaletteWidget>(image_editor);
 
     auto& right_panel = horizontal_container.add<GUI::Widget>();
     right_panel.set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
@@ -109,7 +105,6 @@ int main(int argc, char** argv)
             GUI::MessageBox::show(String::format("Failed to load '%s'", open_path.value().characters()), "Open failed", GUI::MessageBox::Type::Error, GUI::MessageBox::InputType::OK, window);
             return;
         }
-        paintable_widget.set_bitmap(*bitmap);
     }));
     app_menu.add_separator();
     app_menu.add_action(GUI::CommonActions::make_quit_action([](auto&) {