91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
//
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// Copyright (c) 2008-2020 the Urho3D project.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#pragma once
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#include "Sample.h"
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namespace Urho3D
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{
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class Window;
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}
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/// A simple 'HelloWorld' GUI created purely from code.
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/// This sample demonstrates:
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/// - Creation of controls and building a UI hierarchy
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/// - Loading UI style from XML and applying it to controls
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/// - Handling of global and per-control events
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/// For more advanced users (beginners can skip this section):
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/// - Dragging UIElements
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/// - Displaying tooltips
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/// - Accessing available Events data (eventData)
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class HelloGUI : public Sample
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{
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URHO3D_OBJECT(HelloGUI, Sample);
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public:
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/// Construct.
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explicit HelloGUI(Context* context);
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/// Setup after engine initialization and before running the main loop.
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void Start() override;
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protected:
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/// Return XML patch instructions for screen joystick layout for a specific sample app, if any.
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String GetScreenJoystickPatchString() const override { return
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"<patch>"
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" <add sel=\"/element/element[./attribute[@name='Name' and @value='Hat0']]\">"
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" <attribute name=\"Is Visible\" value=\"false\" />"
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" </add>"
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"</patch>";
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}
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private:
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/// Create and initialize a Window control.
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void InitWindow();
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/// Create and add various common controls for demonstration purposes.
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void InitControls();
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/// Create a draggable fish button.
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void CreateDraggableFish();
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/// Handle drag begin for the fish button.
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void HandleDragBegin(StringHash eventType, VariantMap& eventData);
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/// Handle drag move for the fish button.
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void HandleDragMove(StringHash eventType, VariantMap& eventData);
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/// Handle drag end for the fish button.
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void HandleDragEnd(StringHash eventType, VariantMap& eventData);
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/// Handle any UI control being clicked.
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void HandleControlClicked(StringHash eventType, VariantMap& eventData);
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/// Handle close button pressed and released.
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void HandleClosePressed(StringHash eventType, VariantMap& eventData);
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/// The Window.
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SharedPtr<Window> window_;
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/// The UI's root UIElement.
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SharedPtr<UIElement> uiRoot_;
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/// Remembered drag begin position.
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IntVector2 dragBeginPosition_;
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};
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