44 lines
2.2 KiB
C
44 lines
2.2 KiB
C
// textHelp.h -- Public API for the shared text editing infrastructure library
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//
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// Declares clipboard operations, multi-click detection, word boundary
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// logic, cross-widget selection clearing, and the single-line text
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// editing engine shared across widget DXEs (TextInput, Spinner,
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// ComboBox, AnsiTerm, etc.).
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#ifndef TEXT_HELP_H
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#define TEXT_HELP_H
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#include "../core/dvxWidgetPlugin.h"
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#define TEXT_INPUT_PAD 3
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// ============================================================
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// Cursor blink
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// ============================================================
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void wgtUpdateCursorBlink(void);
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// ============================================================
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// Selection management
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// ============================================================
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void clearOtherSelections(WidgetT *except);
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// ============================================================
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// Word / character helpers
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// ============================================================
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bool isWordChar(char c);
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int32_t wordEnd(const char *buf, int32_t len, int32_t pos);
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int32_t wordStart(const char *buf, int32_t pos);
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// ============================================================
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// Single-line text editing engine
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// ============================================================
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void widgetTextEditDragUpdateLine(int32_t vx, int32_t leftEdge, int32_t maxChars, const BitmapFontT *font, int32_t len, int32_t *pCursorPos, int32_t *pScrollOff, int32_t *pSelEnd);
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void widgetTextEditMouseClick(WidgetT *w, int32_t vx, int32_t vy, int32_t textLeftX, const BitmapFontT *font, const char *buf, int32_t len, int32_t scrollOff, int32_t *pCursorPos, int32_t *pSelStart, int32_t *pSelEnd, bool wordSelect, bool dragSelect);
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void widgetTextEditOnKey(WidgetT *w, int32_t key, int32_t mod, char *buf, int32_t bufSize, int32_t *pLen, int32_t *pCursor, int32_t *pScrollOff, int32_t *pSelStart, int32_t *pSelEnd, char *undoBuf, int32_t *pUndoLen, int32_t *pUndoCursor);
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void widgetTextEditPaintLine(DisplayT *d, const BlitOpsT *ops, const BitmapFontT *font, const ColorSchemeT *colors, int32_t textX, int32_t textY, const char *buf, int32_t visLen, int32_t scrollOff, int32_t cursorPos, int32_t selStart, int32_t selEnd, uint32_t fg, uint32_t bg, bool showCursor, int32_t cursorMinX, int32_t cursorMaxX);
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#endif // TEXT_HELP_H
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