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/*
* DISTRHO Plugin Framework (DPF)
* Copyright (C) 2012-2016 Filipe Coelho <falktx@falktx.com>
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with
* or without fee is hereby granted, provided that the above copyright notice and this
* permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef DGL_IMAGE_WIDGETS_HPP_INCLUDED
#define DGL_IMAGE_WIDGETS_HPP_INCLUDED
#include "Image.hpp"
#include "Widget.hpp"
#include "Window.hpp"
START_NAMESPACE_DGL
// -----------------------------------------------------------------------
class ImageAboutWindow : public Window,
public Widget
{
public:
explicit ImageAboutWindow(Window& parent, const Image& image = Image());
explicit ImageAboutWindow(Widget* widget, const Image& image = Image());
void setImage(const Image& image);
protected:
void onDisplay() override;
bool onKeyboard(const KeyboardEvent&) override;
bool onMouse(const MouseEvent&) override;
void onReshape(uint width, uint height) override;
private:
Image fImgBackground;
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(ImageAboutWindow)
};
// -----------------------------------------------------------------------
class ImageButton : public Widget
{
public:
class Callback
{
public:
virtual ~Callback() {}
virtual void imageButtonClicked(ImageButton* imageButton, int button) = 0;
};
explicit ImageButton(Window& parent, const Image& image);
explicit ImageButton(Window& parent, const Image& imageNormal, const Image& imageDown);
explicit ImageButton(Window& parent, const Image& imageNormal, const Image& imageHover, const Image& imageDown);
explicit ImageButton(Widget* widget, const Image& image);
explicit ImageButton(Widget* widget, const Image& imageNormal, const Image& imageDown);
explicit ImageButton(Widget* widget, const Image& imageNormal, const Image& imageHover, const Image& imageDown);
~ImageButton() override;
void setCallback(Callback* callback) noexcept;
protected:
void onDisplay() override;
bool onMouse(const MouseEvent&) override;
bool onMotion(const MotionEvent&) override;
private:
struct PrivateData;
PrivateData* const pData;
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(ImageButton)
};
// -----------------------------------------------------------------------
class ImageKnob : public Widget
{
public:
enum Orientation {
Horizontal,
Vertical
};
class Callback
{
public:
virtual ~Callback() {}
virtual void imageKnobDragStarted(ImageKnob* imageKnob) = 0;
virtual void imageKnobDragFinished(ImageKnob* imageKnob) = 0;
virtual void imageKnobValueChanged(ImageKnob* imageKnob, float value) = 0;
};
explicit ImageKnob(Window& parent, const Image& image, Orientation orientation = Vertical) noexcept;
explicit ImageKnob(Widget* widget, const Image& image, Orientation orientation = Vertical) noexcept;
explicit ImageKnob(const ImageKnob& imageKnob);
ImageKnob& operator=(const ImageKnob& imageKnob);
~ImageKnob() override;
float getValue() const noexcept;
void setDefault(float def) noexcept;
void setRange(float min, float max) noexcept;
void setStep(float step) noexcept;
void setValue(float value, bool sendCallback = false) noexcept;
void setUsingLogScale(bool yesNo) noexcept;
void setCallback(Callback* callback) noexcept;
void setOrientation(Orientation orientation) noexcept;
void setRotationAngle(int angle);
void setImageLayerCount(uint count) noexcept;
protected:
void onDisplay() override;
bool onMouse(const MouseEvent&) override;
bool onMotion(const MotionEvent&) override;
bool onScroll(const ScrollEvent&) override;
private:
Image fImage;
float fMinimum;
float fMaximum;
float fStep;
float fValue;
float fValueDef;
float fValueTmp;
bool fUsingDefault;
bool fUsingLog;
Orientation fOrientation;
int fRotationAngle;
bool fDragging;
int fLastX;
int fLastY;
Callback* fCallback;
bool fIsImgVertical;
uint fImgLayerWidth;
uint fImgLayerHeight;
uint fImgLayerCount;
bool fIsReady;
GLuint fTextureId;
float _logscale(float value) const;
float _invlogscale(float value) const;
DISTRHO_LEAK_DETECTOR(ImageKnob)
};
// -----------------------------------------------------------------------
// note set range and step before setting the value
class ImageSlider : public Widget
{
public:
class Callback
{
public:
virtual ~Callback() {}
virtual void imageSliderDragStarted(ImageSlider* imageSlider) = 0;
virtual void imageSliderDragFinished(ImageSlider* imageSlider) = 0;
virtual void imageSliderValueChanged(ImageSlider* imageSlider, float value) = 0;
};
explicit ImageSlider(Window& parent, const Image& image) noexcept;
explicit ImageSlider(Widget* widget, const Image& image) noexcept;
float getValue() const noexcept;
void setValue(float value, bool sendCallback = false) noexcept;
void setDefault(float def) noexcept;
void setStartPos(const Point<int>& startPos) noexcept;
void setStartPos(int x, int y) noexcept;
void setEndPos(const Point<int>& endPos) noexcept;
void setEndPos(int x, int y) noexcept;
void setInverted(bool inverted) noexcept;
void setRange(float min, float max) noexcept;
void setStep(float step) noexcept;
void setCallback(Callback* callback) noexcept;
protected:
void onDisplay() override;
bool onMouse(const MouseEvent&) override;
bool onMotion(const MotionEvent&) override;
private:
Image fImage;
float fMinimum;
float fMaximum;
float fStep;
float fValue;
float fValueDef;
float fValueTmp;
bool fUsingDefault;
bool fDragging;
bool fInverted;
bool fValueIsSet;
int fStartedX;
int fStartedY;
Callback* fCallback;
Point<int> fStartPos;
Point<int> fEndPos;
Rectangle<int> fSliderArea;
void _recheckArea() noexcept;
// these should not be used
void setAbsoluteX(int) const noexcept {}
void setAbsoluteY(int) const noexcept {}
void setAbsolutePos(int, int) const noexcept {}
void setAbsolutePos(const Point<int>&) const noexcept {}
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(ImageSlider)
};
// -----------------------------------------------------------------------
class ImageSwitch : public Widget
{
public:
class Callback
{
public:
virtual ~Callback() {}
virtual void imageSwitchClicked(ImageSwitch* imageSwitch, bool down) = 0;
};
explicit ImageSwitch(Window& parent, const Image& imageNormal, const Image& imageDown) noexcept;
explicit ImageSwitch(Widget* widget, const Image& imageNormal, const Image& imageDown) noexcept;
explicit ImageSwitch(const ImageSwitch& imageSwitch) noexcept;
ImageSwitch& operator=(const ImageSwitch& imageSwitch) noexcept;
bool isDown() const noexcept;
void setDown(bool down) noexcept;
void setCallback(Callback* callback) noexcept;
protected:
void onDisplay() override;
bool onMouse(const MouseEvent&) override;
private:
Image fImageNormal;
Image fImageDown;
bool fIsDown;
Callback* fCallback;
DISTRHO_LEAK_DETECTOR(ImageSwitch)
};
// -----------------------------------------------------------------------
END_NAMESPACE_DGL
#endif // DGL_IMAGE_WIDGETS_HPP_INCLUDED
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