PixelPaint: Add a Dialog for the creation of a Guide

You can select whether you want a horizontal or a vertical Guide and
specify the offset you want it to be at.

Userland/Applications/PixelPaint/CMakeLists.txt

@@ -6,10 +6,13 @@ serenity_component(
 )
 
 compile_gml(PixelPaintWindow.gml PixelPaintWindowGML.h pixel_paint_window_gml)
+compile_gml(CreateNewGuideDialog.gml CreateNewGuideDialogGML.h create_new_guide_dialog_gml)
 
 set(SOURCES
     BrushTool.cpp
     BucketTool.cpp
+    CreateNewGuideDialog.cpp
+    CreateNewGuideDialogGML.h
     CreateNewImageDialog.cpp
     CreateNewLayerDialog.cpp
     EllipseTool.cpp

Userland/Applications/PixelPaint/CreateNewGuideDialog.cpp

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2021, Tobias Christiansen <tobi@tobyase.de>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "CreateNewGuideDialog.h"
+#include <Applications/PixelPaint/CreateNewGuideDialogGML.h>
+#include <LibGUI/Button.h>
+#include <LibGUI/RadioButton.h>
+#include <LibGUI/TextBox.h>
+#include <LibGUI/Widget.h>
+
+namespace PixelPaint {
+
+CreateNewGuideDialog::CreateNewGuideDialog(GUI::Window* parent_window)
+    : Dialog(parent_window)
+{
+    set_title("Create new Guide");
+    set_icon(parent_window->icon());
+    resize(200, 120);
+    set_resizable(false);
+
+    auto& main_widget = set_main_widget<GUI::Widget>();
+    if (!main_widget.load_from_gml(create_new_guide_dialog_gml))
+        VERIFY_NOT_REACHED();
+
+    auto horizontal_radio = main_widget.find_descendant_of_type_named<GUI::RadioButton>("orientation_horizontal_radio");
+    auto vertical_radio = main_widget.find_descendant_of_type_named<GUI::RadioButton>("orientation_vertical_radio");
+    auto offset_text_box = main_widget.find_descendant_of_type_named<GUI::TextBox>("offset_text_box");
+    auto ok_button = main_widget.find_descendant_of_type_named<GUI::Button>("ok_button");
+    auto cancel_button = main_widget.find_descendant_of_type_named<GUI::Button>("cancel_button");
+    VERIFY(horizontal_radio);
+    VERIFY(ok_button);
+    VERIFY(offset_text_box);
+    VERIFY(vertical_radio);
+    VERIFY(cancel_button);
+
+    horizontal_radio->on_checked = [this](bool checked) { m_is_horizontal_checked = checked; };
+    vertical_radio->on_checked = [this](bool checked) { m_is_vertical_checked = checked; };
+
+    ok_button->on_click = [this, &offset_text_box](auto) {
+        if (m_is_vertical_checked) {
+            m_orientation = Guide::Orientation::Vertical;
+        } else if (m_is_horizontal_checked) {
+            m_orientation = Guide::Orientation::Horizontal;
+        } else {
+            done(ExecResult::ExecAborted);
+            return;
+        }
+
+        if (offset_text_box->text().is_empty())
+            done(ExecResult::ExecAborted);
+
+        m_offset = offset_text_box->text();
+
+        done(ExecResult::ExecOK);
+    };
+
+    cancel_button->on_click = [this](auto) {
+        done(ExecResult::ExecCancel);
+    };
+}
+
+}

Userland/Applications/PixelPaint/CreateNewGuideDialog.gml

@@ -0,0 +1,71 @@
+@GUI::Frame {
+    fill_with_background_color: true
+
+    layout: @GUI::VerticalBoxLayout {
+    }
+
+    @GUI::Widget {
+        layout: @GUI::VerticalBoxLayout {
+            margins: [4,4,4,4]
+        }
+
+        @GUI::GroupBox {
+            title: "Orientation"
+            shrink_to_fit: true
+            
+            layout: @GUI::HorizontalBoxLayout {
+                margins: [10,20,10,10]
+            }
+
+            @GUI::RadioButton {
+                name: "orientation_horizontal_radio"
+                text: "Horizontal"
+            }
+
+            @GUI::RadioButton {
+                name: "orientation_vertical_radio"
+                text: "Vertical"
+            }
+        }
+    }
+
+    @GUI::Widget {
+        layout: @GUI::HorizontalBoxLayout {
+            margins: [4,4,4,4]
+        }
+        shrink_to_fit: true
+
+        @GUI::Label {
+            text: "Offset"
+            text_alignment: "CenterLeft"
+        }
+
+        @GUI::TextBox {
+            name: "offset_text_box"
+        }
+    }
+
+
+    @GUI::Widget {
+        max_height: 24
+
+        layout: @GUI::HorizontalBoxLayout {
+            margins: [4,4,4,4]
+        }
+
+        @GUI::Widget {
+        }
+
+        @GUI::Button {
+            name: "ok_button"
+            text: "OK"
+            max_width: 75
+        }
+
+        @GUI::Button {
+            name: "cancel_button"
+            text: "Cancel"
+            max_width: 75
+        }
+    }
+}

Userland/Applications/PixelPaint/CreateNewGuideDialog.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2021, Tobias Christiansen <tobi@tobyase.de>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include "Guide.h"
+#include <LibGUI/Dialog.h>
+
+namespace PixelPaint {
+
+class CreateNewGuideDialog final : public GUI::Dialog {
+    C_OBJECT(CreateNewGuideDialog);
+
+public:
+    String const offset() const { return m_offset; }
+    Guide::Orientation orientation() const { return m_orientation; }
+
+private:
+    CreateNewGuideDialog(GUI::Window* parent_window);
+
+    String m_offset;
+    Guide::Orientation m_orientation;
+
+    bool m_is_horizontal_checked { false };
+    bool m_is_vertical_checked { false };
+};
+
+}