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/***********************************************************************
* fbutton.h - Widget FButton *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2012-2023 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 ▏
* ▕▁▁▁▁▁▁▁▁▁▏
* ▲
* │
* ▕▔▔▔▔▔▔▔▔▔▏
* ▕ FButton ▏
* ▕▁▁▁▁▁▁▁▁▁▏
*/
#ifndef FBUTTON_H
#define FBUTTON_H
#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
#error "Only <final/final.h> can be included directly."
#endif
#include "final/fwidget.h"
#include "final/fwidgetcolors.h"
namespace finalcut
{
//----------------------------------------------------------------------
// class FButton
//----------------------------------------------------------------------
class FButton : public FWidget
{
public:
// Constructors
explicit FButton (FWidget* = nullptr);
explicit FButton (FString&&, FWidget* = nullptr);
// Destructor
~FButton() override;
// Overloaded operator
auto operator = (const FString&) -> FButton&;
// Accessors
auto getClassName() const -> FString override;
auto getText() const -> FString;
// Mutators
void setForegroundColor (FColor) override;
void setBackgroundColor (FColor) override;
void setHotkeyForegroundColor (FColor);
void setFocusForegroundColor (FColor);
void setFocusBackgroundColor (FColor);
void setInactiveForegroundColor (FColor);
void setInactiveBackgroundColor (FColor);
void resetColors() override;
auto setNoUnderline (bool = true) -> bool;
auto unsetNoUnderline() -> bool;
auto setEnable (bool = true) -> bool override;
auto unsetEnable() -> bool override;
auto setDisable() -> bool override;
auto setFlat (bool = true) -> bool;
auto unsetFlat() -> bool;
auto setShadow (bool = true) -> bool;
auto unsetShadow() -> bool;
auto setDown (bool = true) -> bool;
auto setUp() -> bool;
auto setClickAnimation (bool = true) -> bool;
auto unsetClickAnimation() -> bool;
void setText (const FString&);
// Inquiries
auto isFlat() const -> bool;
auto isDown() const noexcept -> bool;
auto hasShadow() const -> bool;
auto hasClickAnimation() const noexcept -> bool;
// Methods
void hide() override;
// Event handlers
void onKeyPress (FKeyEvent*) override;
void onMouseDown (FMouseEvent*) override;
void onMouseUp (FMouseEvent*) override;
void onMouseMove (FMouseEvent*) override;
void onWheel (FWheelEvent*) override;
void onTimer (FTimerEvent*) override;
void onAccel (FAccelEvent*) override;
void onFocusIn (FFocusEvent*) override;
void onFocusOut (FFocusEvent*) override;
private:
// Constants
static constexpr auto NOT_SET = static_cast<std::size_t>(-1);
// Methods
void init();
void setHotkeyAccelerator();
void detectHotkey();
auto clickAnimationIndent (const FWidget*) -> std::size_t;
void clearRightMargin (const FWidget*);
void drawMarginLeft();
void drawMarginRight();
void drawTopBottomBackground();
void printLeadingSpaces (std::size_t&);
void setCursorPositionOnButton();
void modifyStyle() const;
void printButtonText (const FString&, std::size_t&);
void printEllipsis();
void resetStyle() const;
void printTrailingSpaces (std::size_t);
void drawButtonTextLine (const FString&);
void draw() override;
void updateButtonColor();
void processClick() const;
// Data members
FString text{};
bool button_down{false};
bool active_focus{false};
bool click_animation{true};
int click_time{150};
wchar_t space_char{L' '};
FColor button_fg{FColor::Default};
FColor button_bg{FColor::Default};
FColor button_hotkey_fg{FColor::Default};
FColor button_focus_fg{FColor::Default};
FColor button_focus_bg{FColor::Default};
FColor button_inactive_fg{FColor::Default};
FColor button_inactive_bg{FColor::Default};
std::size_t hotkeypos{NOT_SET};
std::size_t indent{0};
std::size_t center_offset{0};
std::size_t vcenter_offset{0};
std::size_t column_width{0};
};
// FButton inline functions
//----------------------------------------------------------------------
inline auto FButton::getClassName() const -> FString
{ return "FButton"; }
//----------------------------------------------------------------------
inline auto FButton::getText() const -> FString
{ return text; }
//----------------------------------------------------------------------
inline auto FButton::unsetNoUnderline() -> bool
{ return setNoUnderline(false); }
//----------------------------------------------------------------------
inline auto FButton::unsetEnable() -> bool
{ return setEnable(false); }
//----------------------------------------------------------------------
inline auto FButton::setDisable() -> bool
{ return setEnable(false); }
//----------------------------------------------------------------------
inline auto FButton::unsetFlat() -> bool
{ return setFlat(false); }
//----------------------------------------------------------------------
inline auto FButton::unsetShadow() -> bool
{ return setShadow(false); }
//----------------------------------------------------------------------
inline auto FButton::setUp() -> bool
{ return setDown(false); }
//----------------------------------------------------------------------
inline auto FButton::setClickAnimation(bool enable) -> bool
{ return (click_animation = enable); }
//----------------------------------------------------------------------
inline auto FButton::unsetClickAnimation() -> bool
{ return setClickAnimation(false); }
//----------------------------------------------------------------------
inline auto FButton::isFlat() const -> bool
{ return getFlags().feature.flat; }
//----------------------------------------------------------------------
inline auto FButton::isDown() const noexcept -> bool
{ return button_down; }
//----------------------------------------------------------------------
inline auto FButton::hasShadow() const -> bool
{ return getFlags().shadow.shadow; }
//----------------------------------------------------------------------
inline auto FButton::hasClickAnimation() const noexcept -> bool
{ return click_animation; }
} // namespace finalcut
#endif // FBUTTON_H
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