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/***********************************************************************
* flabel.cpp - Widget FLabel *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2014-2022 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 ▏
* ▕▁▁▁▁▁▁▁▁▁▏
* ▲
* │
* ▕▔▔▔▔▔▔▔▔▏
* ▕ FLabel ▏
* ▕▁▁▁▁▁▁▁▁▏
*/
#ifndef FLABEL_H
#define FLABEL_H
#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
#error "Only <final/final.h> can be included directly."
#endif
#include <vector>
#include "final/fwidget.h"
#include "final/fwidgetcolors.h"
namespace finalcut
{
//----------------------------------------------------------------------
// class FLabel
//----------------------------------------------------------------------
class FLabel : public FWidget
{
public:
// Using-declaration
using FWidget::setEnable;
// Constructor
explicit FLabel (FWidget* = nullptr);
explicit FLabel (const FString&, FWidget* = nullptr);
// Disable copy constructor
FLabel (const FLabel&) = delete;
// Disable move constructor
FLabel (FLabel&&) noexcept = delete;
// Destructor
~FLabel() override;
// Disable copy assignment operator (=)
auto operator = (const FLabel&) -> FLabel& = delete;
// Disable move assignment operator (=)
auto operator = (FLabel&&) noexcept -> FLabel& = delete;
// Overloaded operators
auto operator = (const FString&) -> FLabel&;
template <typename typeT>
auto operator << (const typeT&) -> FLabel&;
auto operator << (UniChar) -> FLabel&;
auto operator << (const wchar_t) -> FLabel&;
auto operator >> (FString&) const -> const FLabel&;
// Accessors
auto getClassName() const -> FString override;
auto getAccelWidget() -> FWidget*;
auto getAlignment() const noexcept -> Align;
auto getText() & -> FString&;
// Mutators
void setAccelWidget (FWidget* = nullptr);
void setAlignment (Align) noexcept;
auto setEmphasis (bool = true) noexcept -> bool;
auto unsetEmphasis() noexcept -> bool;
void resetColors() override;
auto setReverseMode (bool = true) noexcept -> bool;
auto unsetReverseMode() noexcept -> bool;
auto setEnable (bool = true) -> bool override;
void setNumber (uLong);
void setNumber (long);
void setNumber (float, int = FLT_DIG);
void setNumber (double, int = DBL_DIG);
void setNumber (lDouble, int = LDBL_DIG);
void setText (const FString&);
// Inquiries
auto hasEmphasis() const noexcept -> bool;
auto hasReverseMode() const noexcept -> bool;
// Methods
void hide() override;
void clear();
// Event handlers
void onMouseDown (FMouseEvent*) override;
void onAccel (FAccelEvent*) override;
// Callback method
void cb_accelWidgetDestroyed();
private:
// Constants
static constexpr auto NOT_SET = static_cast<std::size_t>(-1);
// Methods
void init();
void setHotkeyAccelerator();
auto getAlignOffset (const std::size_t) const -> std::size_t;
void draw() override;
void drawMultiLine();
void drawSingleLine();
void printHotkeyChar (wchar_t);
void printLineContent (FString&, std::size_t);
void printLine (FString&);
// Data members
FStringList multiline_text{};
FString text{};
FWidget* accel_widget{nullptr};
Align alignment{Align::Left};
std::size_t align_offset{0};
std::size_t hotkeypos{NOT_SET};
std::size_t column_width{0};
FColor emphasis_color{FColor::Default};
FColor ellipsis_color{FColor::Default};
bool multiline{false};
bool emphasis{false};
bool reverse_mode{false};
};
// FLabel inline functions
//----------------------------------------------------------------------
template <typename typeT>
inline auto FLabel::operator << (const typeT& s) -> FLabel&
{
FString str{};
str << s;
setText(text + str);
return *this;
}
//----------------------------------------------------------------------
inline auto FLabel::getClassName() const -> FString
{ return "FLabel"; }
//----------------------------------------------------------------------
inline auto FLabel::getAccelWidget () -> FWidget*
{ return accel_widget; }
//----------------------------------------------------------------------
inline auto FLabel::getAlignment() const noexcept -> Align
{ return alignment; }
//----------------------------------------------------------------------
inline auto FLabel::getText() & -> FString&
{ return text; }
//----------------------------------------------------------------------
inline auto FLabel::setEmphasis (bool enable) noexcept -> bool
{ return (emphasis = enable); }
//----------------------------------------------------------------------
inline auto FLabel::unsetEmphasis() noexcept -> bool
{ return setEmphasis(false); }
//----------------------------------------------------------------------
inline auto FLabel::setReverseMode (bool enable) noexcept -> bool
{ return (reverse_mode = enable); }
//----------------------------------------------------------------------
inline auto FLabel::unsetReverseMode() noexcept -> bool
{ return setReverseMode(false); }
//----------------------------------------------------------------------
inline void FLabel::setNumber (uLong num)
{ setText(FString().setNumber(num)); }
//----------------------------------------------------------------------
inline void FLabel::setNumber (long num)
{ setText(FString().setNumber(num)); }
//----------------------------------------------------------------------
inline void FLabel::setNumber (float num, int precision)
{ setText(FString().setNumber(num, precision)); }
//----------------------------------------------------------------------
inline void FLabel::setNumber (double num, int precision)
{ setText(FString().setNumber(num, precision)); }
//----------------------------------------------------------------------
inline void FLabel::setNumber (lDouble num, int precision)
{ setText(FString().setNumber(num, precision)); }
//----------------------------------------------------------------------
inline auto FLabel::hasEmphasis() const noexcept -> bool
{ return emphasis; }
//----------------------------------------------------------------------
inline auto FLabel::hasReverseMode() const noexcept -> bool
{ return reverse_mode; }
//----------------------------------------------------------------------
inline void FLabel::clear()
{ text.clear(); }
} // namespace finalcut
#endif // FLABEL_H
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