justin
1 line
2.8 KiB
C++
1 line
2.8 KiB
C++
#ifndef __HULIB__
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#define __HULIB__
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// background and foreground screen numbers
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#define BG 1
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#define FG 0
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// font stuff
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#define HU_CHARERASE KEY_BACKSPACE
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#define HU_MAXLINES 4
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#define HU_MAXLINELENGTH 80
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/*
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* Typedefs of widgets
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*/
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// Text Line widget (parent of Scrolling Text and Input Text widgets)
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typedef struct
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{
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int x, y; // left-justified position of scrolling text window
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patch_t **f;// font
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int sc; // start character
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char l[HU_MAXLINELENGTH+1]; // line of text
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int len; // current line length
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int needsupdate; // whether this line needs to be udpated
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} hu_textline_t;
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// Scrolling Text window widget (child of Text Line widget)
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typedef struct
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{
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hu_textline_t l[HU_MAXLINES]; // text lines to draw
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int h; // height in lines
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int cl; // current line number
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boolean *on;// pointer to boolean stating whether to update window
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boolean laston; // last value of *->on.
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} hu_stext_t;
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// Input Text Line widget (child of Text Line widget)
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typedef struct
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{
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hu_textline_t l; // text line to input on
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int lm; // left margin past which I am not to delete characters
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boolean *on;// pointer to boolean stating whether to update window
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boolean laston; // last value of *->on;
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} hu_itext_t;
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/*
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* Widget creation, access, and update routines
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*/
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// initializes heads-up widget library
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void HUlib_init(void);
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// textline code
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void HUlib_clearTextLine(hu_textline_t *t); // clear a line of text
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void HUlib_initTextLine(hu_textline_t *t, int x, int y, patch_t **f, int sc);
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boolean HUlib_addCharToTextLine(hu_textline_t *t, char ch); // returns success
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boolean HUlib_delCharFromTextLine(hu_textline_t *t); // returns success
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void HUlib_drawTextLine(hu_textline_t *l, boolean drawcursor); // draws tline
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void HUlib_eraseTextLine(hu_textline_t *l); // erases text line
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// Scrolling Text window widget routines
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void HUlib_initSText(hu_stext_t *s, int x, int y, int h, patch_t **font,
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int startchar, boolean *on);
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void HUlib_addLineToSText(hu_stext_t *s); // add a new line
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void HUlib_addMessageToSText(hu_stext_t *s, char *prefix, char *msg);
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void HUlib_drawSText(hu_stext_t *s); // draws stext
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void HUlib_eraseSText(hu_stext_t *s); // erases all stext lines
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// Input Text Line widget routines
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void HUlib_initIText(hu_itext_t *it, int x, int y, patch_t **font,
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int startchar, boolean *on);
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void HUlib_delCharFromIText(hu_itext_t *it); // enforces left margin
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void HUlib_eraseLineFromIText(hu_itext_t *it); // enforces left margin
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void HUlib_resetIText(hu_itext_t *it); // resets line and left margin
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void HUlib_addPrefixToIText(hu_itext_t *it, char *str); // left of left-margin
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boolean HUlib_keyInIText(hu_itext_t *it, unsigned char ch); // whether eaten
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void HUlib_drawIText(hu_itext_t *it);
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void HUlib_eraseIText(hu_itext_t *it); // erases all itext lines
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#endif
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