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[qwaq] Flesh out DrawBuffer's methods

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This commit is contained in:
Bill Currie 2020-03-10 19:27:26 +09:00
parent b3850bbc69
commit ce67d9b202
2 changed files with 72 additions and 0 deletions
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2
ruamoko/qwaq/qwaq-draw.h
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@ -22,9 +22,11 @@
- (void) printf: (string) fmt, ...;
- (void) vprintf: (string) fmt, @va_list args;
- (void) addch: (int) ch;
- (void) addstr: (string) str;
- (void) mvprintf: (Point) pos, string fmt, ...;
- (void) mvvprintf: (Point) pos, string fmt, @va_list args;
- (void) mvaddch: (Point) pos, int ch;
- (void) mvaddstr: (Point) pos, string str;
@end
#endif

70
ruamoko/qwaq/qwaq-draw.r
View file

@ -1,3 +1,5 @@
#include <string.h>
#include "qwaq-curses.h"
#include "qwaq-draw.h"
@ -71,26 +73,94 @@
- (void) printf: (string) fmt, ...
{
string str = vsprintf (fmt, @args);
[self addstr: str];
}
- (void) vprintf: (string) fmt, @va_list args
{
string str = vsprintf (fmt, args);
[self addstr: str];
}
- (void) addch: (int) ch
{
if (cursor.x < 0) {
cursor.x = 0;
}
if (cursor.y < 0) {
cursor.y = 0;
}
if (cursor.x >= size.width && cursor.y < size.height) {
cursor.x = 0;
cursor.y++;
}
if (cursor.y >= size.height) {
return;
}
if (ch == '\n') {
cursor.x = 0;
cursor.y++;
} else if (ch == '\r') {
cursor.x = 0;
} else {
buffer[cursor.y * size.width + cursor.x++] = ch;
}
}
- (void) addstr: (string) str
{
int ind = 0;
int ch;
if (cursor.y >= size.height) {
return;
}
while (cursor.x < size.width && (ch = str_char (str, ind++))) {
[self addch: ch];
}
}
- (void) mvprintf: (Point) pos, string fmt, ...
{
if (pos.x < 0 || pos.x >= size.width
|| pos.y < 0 || pos.y >= size.height) {
return;
}
cursor = pos;
string str = vsprintf (fmt, @args);
[self addstr: str];
}
- (void) mvvprintf: (Point) pos, string fmt, @va_list args
{
if (pos.x < 0 || pos.x >= size.width
|| pos.y < 0 || pos.y >= size.height) {
return;
}
cursor = pos;
string str = vsprintf (fmt, args);
[self addstr: str];
}
- (void) mvaddch: (Point) pos, int ch
{
if (pos.x < 0 || pos.x >= size.width
|| pos.y < 0 || pos.y >= size.height) {
return;
}
cursor = pos;
[self addch: ch];
}
- (void) mvaddstr: (Point) pos, string str
{
if (pos.x < 0 || pos.x >= size.width
|| pos.y < 0 || pos.y >= size.height) {
return;
}
cursor = pos;
[self addstr: str];
}
@end