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/***********************************************************************
* fspinbox.h - Widget FSpinBox *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2019-2023 Markus Gans *
* *
* FINAL CUT is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* FINAL CUT 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
/* Inheritance diagram
* ═══════════════════
*
* ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
* ▕ FVTerm ▏ ▕ FObject ▏
* ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
* ▲ ▲
* │ │
* └─────┬─────┘
* │
* ▕▔▔▔▔▔▔▔▔▔▏
* ▕ FWidget ▏
* ▕▁▁▁▁▁▁▁▁▁▏
* ▲
* │
* ▕▔▔▔▔▔▔▔▔▔▔▏
* ▕ FSpinBox ▏
* ▕▁▁▁▁▁▁▁▁▁▁▏
*/
#ifndef FSPINBOX_H
#define FSPINBOX_H
#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
#error "Only <final/final.h> can be included directly."
#endif
#include <limits>
#include "final/fwidget.h"
#include "final/widget/flineedit.h"
namespace finalcut
{
// class forward declaration
class FLineEdit;
//----------------------------------------------------------------------
// class FSpinBox
//----------------------------------------------------------------------
class FSpinBox : public FWidget
{
public:
// Using-declaration
using FWidget::setGeometry;
using LabelOrientation = FLineEdit::LabelOrientation;
// Constructors
explicit FSpinBox (FWidget* = nullptr);
// Destructor
~FSpinBox() noexcept override;
// Accessors
auto getClassName() const -> FString override;
auto getValue() const noexcept -> sInt64;
auto getPrefix() const -> FString;
auto getSuffix() const -> FString;
auto getLabelOrientation() const -> LabelOrientation;
// Mutators
void setSize (const FSize&, bool = true) override;
void setGeometry (const FPoint&, const FSize&, bool = true) override;
auto setEnable (bool = true) -> bool override;
auto unsetEnable() -> bool override;
auto setDisable() -> bool override;
auto setShadow (bool = true) -> bool;
auto unsetShadow() -> bool;
void setValue (sInt64);
void setMinValue (sInt64);
void setMaxValue (sInt64);
void setRange (sInt64, sInt64);
void setPrefix (const FString&);
void setSuffix (const FString&);
void setLabelText (const FString&);
void setLabelOrientation (const LabelOrientation);
// Inquiries
auto hasShadow() const -> bool;
// Methods
void hide() override;
// Event handlers
void onKeyPress (FKeyEvent*) override;
void onMouseDown (FMouseEvent*) override;
void onMouseUp (FMouseEvent*) override;
void onWheel (FWheelEvent*) override;
void onTimer (FTimerEvent*) override;
void onFocusIn (FFocusEvent*) override;
void onFailAtChildFocus (FFocusEvent*) override;
private:
// Enumeration
enum class SpiningState
{
None = 0,
Up = 1,
Down = 2
};
// Methods
void init();
void draw() override;
void updateInputField();
void increaseValue (sInt64 = 1);
void decreaseValue (sInt64 = 1);
void processActivate() const;
void processChanged() const;
void forceFocus();
// Callback methods
void cb_inputFieldActivate() const;
void cb_inputFieldChange (const FLineEdit&);
// Data members
FLineEdit input_field{this};
sInt64 value{0};
sInt64 min{std::numeric_limits<sInt64>::min()};
sInt64 max{std::numeric_limits<sInt64>::max()};
FString pfix{};
FString sfix{};
SpiningState spining_state{SpiningState::None};
bool threshold_reached{false};
int threshold_time{500};
int repeat_time{80};
};
// FSpinBox inline functions
//----------------------------------------------------------------------
inline auto FSpinBox::getClassName() const -> FString
{ return "FSpinBox"; }
//----------------------------------------------------------------------
inline auto FSpinBox::getValue() const noexcept -> sInt64
{ return value; }
//----------------------------------------------------------------------
inline auto FSpinBox::getPrefix() const -> FString
{ return pfix; }
//----------------------------------------------------------------------
inline auto FSpinBox::getSuffix() const -> FString
{ return sfix; }
//----------------------------------------------------------------------
inline auto FSpinBox::getLabelOrientation() const -> FLineEdit::LabelOrientation
{ return input_field.getLabelOrientation(); }
//----------------------------------------------------------------------
inline auto FSpinBox::unsetEnable() -> bool
{ return setEnable(false); }
//----------------------------------------------------------------------
inline auto FSpinBox::setDisable() -> bool
{ return setEnable(false); }
//----------------------------------------------------------------------
inline auto FSpinBox::unsetShadow() -> bool
{ return setShadow(false); }
//----------------------------------------------------------------------
inline auto FSpinBox::hasShadow() const -> bool
{ return getFlags().shadow.shadow; }
//----------------------------------------------------------------------
inline void FSpinBox::setLabelText (const FString& s)
{ input_field.setLabelText(s); }
//----------------------------------------------------------------------
inline void FSpinBox::setLabelOrientation (const LabelOrientation o)
{ input_field.setLabelOrientation(o); }
} // namespace finalcut
#endif // FSPINBOX_H
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