aseprite/src/ui/entry.h
2022-04-19 08:48:50 -03:00

138 lines
3.2 KiB
C++

// Aseprite UI Library
// Copyright (C) 2018-2022 Igara Studio S.A.
// Copyright (C) 2001-2017 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
#ifndef UI_ENTRY_H_INCLUDED
#define UI_ENTRY_H_INCLUDED
#pragma once
#include "obs/signal.h"
#include "ui/widget.h"
#include <memory>
namespace ui {
class MouseMessage;
class Entry : public Widget {
public:
struct Range {
int from = -1, to = -1;
bool isEmpty() const { return from < 0; }
int size() const { return to - from; }
};
Entry(const int maxsize, const char *format, ...);
~Entry();
void setMaxTextLength(const int maxsize);
bool isReadOnly() const;
void setReadOnly(bool state);
void showCaret();
void hideCaret();
int caretPos() const { return m_caret; }
int lastCaretPos() const;
void setCaretPos(int pos);
void setCaretToEnd();
void selectText(int from, int to);
void selectAllText();
void deselectText();
std::string selectedText() const;
Range selectedRange() const;
void setSuffix(const std::string& suffix);
std::string getSuffix();
void setTranslateDeadKeys(bool state);
// for themes
void getEntryThemeInfo(int* scroll, int* caret, int* state, Range* range) const;
gfx::Rect getEntryTextBounds() const;
static gfx::Size sizeHintWithText(Entry* entry,
const std::string& text);
// Signals
obs::signal<void()> Change;
protected:
// Events
bool onProcessMessage(Message* msg) override;
void onSizeHint(SizeHintEvent& ev) override;
void onPaint(PaintEvent& ev) override;
void onSetText() override;
// New Events
virtual void onChange();
virtual gfx::Rect onGetEntryTextBounds() const;
private:
enum class EntryCmd {
NoOp,
InsertChar,
ForwardChar,
ForwardWord,
BackwardChar,
BackwardWord,
BeginningOfLine,
EndOfLine,
DeleteForward,
DeleteBackward,
DeleteBackwardWord,
DeleteForwardToEndOfLine,
Cut,
Copy,
Paste,
SelectAll,
};
int getCaretFromMouse(MouseMessage* mousemsg);
void executeCmd(EntryCmd cmd, int ascii, bool shift_pressed);
void forwardWord();
void backwardWord();
bool isPosInSelection(int pos);
void showEditPopupMenu(const gfx::Point& pt);
void recalcCharBoxes(const std::string& text);
bool shouldStartTimer(const bool hasFocus);
void deleteRange(const Range& range, std::string& text);
void startTimer();
void stopTimer();
class CalcBoxesTextDelegate;
struct CharBox {
int codepoint;
int from, to;
int width;
CharBox() { codepoint = from = to = width = 0; }
};
using CharBoxes = std::vector<CharBox>;
CharBoxes m_boxes;
int m_maxsize;
int m_caret;
int m_scroll;
int m_select;
bool m_hidden : 1;
bool m_state : 1; // show or not the text caret
bool m_readonly : 1;
bool m_recent_focused : 1;
bool m_lock_selection : 1;
bool m_translate_dead_keys : 1;
std::unique_ptr<std::string> m_suffix;
};
} // namespace ui
#endif