111 lines
2.1 KiB
C
111 lines
2.1 KiB
C
#include "page.h"
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void init_page(PAGE *p, char *filename, int size)
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{
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p->text = (LINE *)malloc(size * sizeof(LINE));
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int i;
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for(i = 0; i < size; i++)
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{
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init_line(p->text + i);
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}
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strcpy(p->filename, filename);
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p->numlines = 0;
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p->size = size;
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p->x = 0;
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p->y = 0;
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p->saved = 1;
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} // init_page
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void dest_page(PAGE *p)
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{
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int i;
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for(i = 0; i < p->numlines; i++)
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{
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free(p->text[i].line); // maybe replace with dest_line()
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}
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free(p->text);
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} // dest_page
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// WARNING: Expansion function implemented but not tested
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void insert_line(PAGE *p, int index)
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{
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if( p->numlines >= p->size ) expand_page(p);
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LINE newline;
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init_line(&newline);
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newline.line[0] = '\0';
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int i;
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for(i = p->numlines - 1; i >= index; i--)
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p->text[i + 1] = p->text[i];
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p->text[index] = newline;
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(p->numlines)++;
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} // insert_line
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void remove_line(PAGE *p, int index)
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{
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if( p->numlines > 1 )
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{
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free(p->text[index].line);
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int i;
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for(i = index; i < p->numlines - 1; i++)
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{
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p->text[i] = p->text[i + 1];
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}
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(p->numlines)--;
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}
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} // remove_line
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void expand_page(PAGE *p)
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{
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int newsize = p->size * 2;
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LINE *newline = malloc(newsize * sizeof(LINE));
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int i;
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for(i = 0; i < p->size; i++) // copy old lines
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newline[i] = p->text[i];
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for(i = p->size; i < newsize; i++) // init new lines
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init_line(newline + i);
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p->text = newline;
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p->size = newsize;
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} // expand_page
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// NOTE: This moves the cursor to the end of the displayed text
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void print_page(WINDOW *win, WINDOW *lnos, const PAGE *p, int start)
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{
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int i, line;
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for(i = start, line = 0; i < p->numlines && line < EDITOR_SIZE; i++)
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{
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for (int j=0;j < p->text[i].lines_in_screen; j++) {
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wmove(lnos, line, 0);
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wclrtoeol(lnos);
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if (j == 0) {
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wprintw(lnos, "%5d", i + 1);
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}
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wmove(win, line++, 0);
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wprintw(win, "%.*s", strlen(&p->text[i].line[j * 75]) < 75 ? strlen(&p->text[i].line[j * 75]) : 75, &p->text[i].line[j * 75]);
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wclrtoeol(win);
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}
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}
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for (int j=line; j < EDITOR_SIZE; j++) {
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wmove(lnos, j, 0);
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wclrtoeol(lnos);
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wmove(win, j, 0);
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wclrtoeol(win);
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}
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wrefresh(lnos);
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//refresh();
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} // print_page
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