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50a48ddaa4
* EGD-3299 moved cursor at the end of inserted text with sms templates & fixed no cursor after setText(...)
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
#pragma once
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#include "Common.hpp"
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#include "Rect.hpp"
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#include "TextConstants.hpp"
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#include "TextDocument.hpp"
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#include <memory>
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namespace gui
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{
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class Text;
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class TextDocument;
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/// TextCursor - element joining Visible cursor element on screen ( via Rect )
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/// movement on TextDocument ( via BlockCursor )
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/// and position in gui::Text::Lines shown on screen
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class TextCursor : public Rect, public BlockCursor
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{
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unsigned int pos_on_screen = 0;
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Text *text = nullptr;
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public:
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static const unsigned int default_width;
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enum class Move
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{
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Start, /// we are text `0`
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End, /// we hit end of document
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Up, /// we moved up a line
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Down, /// we moved down a line
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InLine, /// no action - passed movement by `0` or we are just somewhere comfty in visible range
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Error, /// error - now not implemented
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};
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TextCursor(gui::Text *parent, gui::TextDocument *document);
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TextCursor() = delete;
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/// Up Down - end of line movement like in vi
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/// - moves on TextBlock ( TextDocument really... ) cursor to know where we are
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/// - moves gui::Text relative to TextDocument `pos_on_screen` value
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/// - informs that we changed line when needed - TODO think about it better... ( and if it's needed...?)
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/// - with_update - updates position in parent ( if false not - means we handled it already with i.e. addChar or
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/// removeChar)
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Move move(NavigationDirection direction);
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void reset();
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// TODO note to self - here should be too UTF8 char handling, not in document...
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// cursor can pass processing char directly to TextBlock we are interested in...
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// so this should be in BlockCursor in reality
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auto getLine() -> std::tuple<const TextLine *, unsigned int, unsigned int>;
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void updateView();
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// TODO this can move our text out of bonds ( and might need calling expand() in Text)
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void addChar(uint32_t utf_val);
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TextCursor &operator<<(const UTF8 &);
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TextCursor &operator<<(TextBlock);
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void removeChar();
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};
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} // namespace gui
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const char *c_str(enum gui::TextCursor::Move);
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