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/**
bespoke synth, a software modular synthesizer
Copyright (C) 2021 Ryan Challinor (contact: awwbees@gmail.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
//
// DropdownList.h
// modularSynth
//
// Created by Ryan Challinor on 12/18/12.
//
//
#pragma once
#include "IUIControl.h"
#include "IDrawableModule.h"
#include "ClickButton.h"
#include "IPulseReceiver.h"
#include "PatchCableSource.h"
struct DropdownListElement
{
std::string mLabel;
int mValue{ 0 };
};
class DropdownList;
class IDropdownListener
{
public:
virtual ~IDropdownListener() {}
virtual void DropdownClicked(DropdownList* list) {}
virtual void DropdownUpdated(DropdownList* list, int oldVal, double time) = 0;
};
class DropdownListModal : public IDrawableModule, public IButtonListener
{
public:
DropdownListModal(DropdownList* owner) { mOwner = owner; }
void CreateUIControls() override;
void SetUpModal();
void DrawModule() override;
void SetDimensions(int w, int h)
{
mWidth = w;
mHeight = h;
}
bool HasTitleBar() const override { return false; }
void GetDimensions(float& width, float& height) override
{
width = mWidth;
height = mHeight;
}
bool ShouldClipContents() override { return false; }
DropdownList* GetOwner() const { return mOwner; }
bool MouseMoved(float x, float y) override;
std::string GetHoveredLabel();
float GetMouseX() { return mMouseX; }
float GetMouseY() { return mMouseY; }
void SetShowPagingControls(bool show);
void SetIsScrolling(bool scrolling) { mIsScrolling = scrolling; }
void ButtonClicked(ClickButton* button, double time) override;
private:
void OnClicked(float x, float y, bool right) override;
int mWidth{ 1 };
int mHeight{ 1 };
int mColumnWidth{ 1 };
float mMouseX{ -1 };
float mMouseY{ -1 };
DropdownList* mOwner;
ClickButton* mPagePrevButton{ nullptr };
ClickButton* mPageNextButton{ nullptr };
bool mIsScrolling{ false };
};
enum class DropdownDisplayStyle
{
kNormal,
kHamburger
};
class DropdownList : public IUIControl, public IPulseReceiver
{
public:
DropdownList(IDropdownListener* owner, const char* name, int x, int y, int* var, float width = -1);
DropdownList(IDropdownListener* owner, const char* name, IUIControl* anchor, AnchorDirection anchorDirection, int* var, float width = -1);
void AddLabel(std::string label, int value);
void RemoveLabel(int value);
void SetLabel(std::string label, int value);
std::string GetLabel(int val) const;
void SetDisplayStyle(DropdownDisplayStyle style) { mDisplayStyle = style; }
void Render() override;
bool MouseMoved(float x, float y) override;
void MouseReleased() override;
void DrawDropdown(int w, int h, bool isScrolling);
bool DropdownClickedAt(int x, int y);
void SetIndex(int i, double time, bool forceUpdate);
void Clear();
void SetVar(int* var) { mVar = var; }
EnumMap GetEnumMap();
void SetUnknownItemString(std::string str)
{
mUnknownItemString = str;
CalculateWidth();
}
void DrawLabel(bool draw) { mDrawLabel = draw; }
void SetWidth(int width);
void SetDrawTriangle(bool draw) { mDrawTriangle = draw; }
void GetPopupDimensions(float& width, float& height) { mModalList.GetDimensions(width, height); }
void SetMaxPerColumn(int max)
{
mMaxPerColumn = max;
CalculateWidth();
}
int GetItemIndexAt(int x, int y);
DropdownListElement GetElement(int index) { return mElements[index]; }
DropdownListModal* GetModalDropdown() { return &mModalList; }
float GetMaxItemWidth() const { return mMaxItemWidth; }
void ChangePage(int direction);
void AddSeparator(int index) { mSeparators.push_back(index); }
void ClearSeparators() { mSeparators.clear(); }
void CopyContentsTo(DropdownList* list) const;
//IUIControl
void SetFromMidiCC(float slider, double time, bool setViaModulator) override;
float GetValueForMidiCC(float slider) const override;
void SetValue(float value, double time, bool forceUpdate = false) override;
float GetValue() const override;
float GetMidiValue() const override;
int GetNumValues() override { return (int)mElements.size(); }
std::string GetDisplayValue(float val) const override;
bool InvertScrollDirection() override { return true; }
void Increment(float amount) override;
void Poll() override;
bool CanBeTargetedBy(PatchCableSource* source) const override;
void SaveState(FileStreamOut& out) override;
void LoadState(FileStreamIn& in, bool shouldSetValue = true) override;
void GetDimensions(float& width, float& height) override;
//IPulseReceiver
void OnPulse(double time, float velocity, int flags) override;
static constexpr int kItemSpacing = 15;
static constexpr int kPageBarSpacing = 20;
protected:
~DropdownList(); //protected so that it can't be created on the stack
private:
void OnClicked(float x, float y, bool right) override;
void CalcSliderVal();
int FindItemIndex(float val) const;
void CalculateWidth();
ofVec2f GetModalListPosition() const;
int mWidth{ 35 };
int mHeight{ DropdownList::kItemSpacing };
int mMaxItemWidth{ 20 };
int mMaxPerColumn{ 40 };
int mDisplayColumns{ 1 };
int mTotalColumns{ 1 };
int mCurrentPagedColumn{ 0 };
std::vector<DropdownListElement> mElements{};
int* mVar;
DropdownListModal mModalList;
bool mDropdownIsOpen{ false };
IDropdownListener* mOwner{ nullptr };
std::string mUnknownItemString{ "-----" };
bool mDrawLabel{ false };
float mLabelSize{ 0 };
float mSliderVal{ 0 };
int mLastSetValue{ 0 };
bool mAutoCalculateWidth{ false };
bool mDrawTriangle{ true };
double mLastScrolledTime{ -9999 };
std::vector<int> mSeparators;
DropdownDisplayStyle mDisplayStyle{ DropdownDisplayStyle::kNormal };
};
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