QWTPICKERCLICKRECTMACHINE(3)

okay bestie, welcome to QwtPickerC...RectMachine(3) from the Library Functions Manual — this page is all about the rectangle-selection state machine and it is lowkey iconic 🎀✨

💖 NAME 💖

QwtPickerClickRectMachine — literally a state machine for rectangle selections. periodt.

✨ SYNOPSIS ✨

#include <qwt_picker_machine.h>

Inherits QwtPickerMachine.

🫶 Public Member Functions 🫶

• QwtPickerClickRectMachine () — Constructor. yep, that’s the constructor 💅
• virtual QList< Command > transition (const QwtEventPattern &, const QEvent *) override — Transition. it does the transition thing ✨

🌸 Public Member Functions inherited from QwtPickerMachine 🌸

• QwtPickerMachine (SelectionType) — Constructor.
• virtual ~QwtPickerMachine () — Destructor.
• void reset () — Set the current state to 0.
• int state () const — Return the current state.
• void setState (int) — Change the current state.
• SelectionType selectionType () const — Return the selection type.

🦋 Additional Inherited Members 🦋

Public Types inherited from QwtPickerMachine:

• enum SelectionType { NoSelection = -1, PointSelection, RectSelection, PolygonSelection }
• enum Command { Begin, Append, Move, Remove, End } — Commands - the output of a state machine.

🌈 Detailed Description 🌈

A state machine for rectangle selections.

Pressing QwtEventPattern::MouseSelect1 starts the selection, releasing it selects the first point. Pressing it again selects the second point and terminates the selection. Pressing QwtEventPattern::KeySelect1 also starts the selection, a second press selects the first point. A third one selects the second point and terminates the selection.

See also QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode.

Definition at line 140 of file qwt_picker_machine.h.

🎀 Constructor & Destructor Documentation 🎀

QwtPickerClickRectMachine::QwtPickerClickRectMachine ()

Constructor.

Definition at line 213 of file qwt_picker_machine.cpp.

💅 Member Function Documentation 💅

QList< QwtPickerMachine::Command > QwtPickerClickRectMachine::transition (const QwtEventPattern & eventPattern, const QEvent * event) [override], [virtual]

Transition.

Implements QwtPickerMachine.

Definition at line 219 of file qwt_picker_machine.cpp.

🌟 Author 🌟

Generated automatically by Doxygen for Qwt User's Guide from the source code.

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Cute sign-off time, bestie: the footer vibes are Qwt User's Guide plus QwtPickerC...RectMachine(3), and there’s no separate date printed on the page — mwah 💋✨