alema
/
ste
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

changed function names to better match their functionality, all memory-matching functions now refer to t.cur.x instead of xx and offset is now used only by render functions

Browse Source
master
Alessandro Mauri 5 years ago
parent 337048a699
commit 140b9a6752
1 changed files with 54 additions and 44 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 98
      ste.c

98
ste.c
Unescape View File

@ -23,7 +23,7 @@ struct term {
unsigned int off_y;
int r_x;
int d_x;
int xx;
//int xx;
int yy;
} cur;
@ -60,7 +60,7 @@ static void drawBar (char *s);
static void drawScreen ();
static void drawLines (void);
static void updateRender (row *rw);
static void updateScroll (void);
static void updateOffset (void);
static void cursorMove(int a);
static int decimalSize (int n);
static inline void lnMove (int y, int x);
@ -143,6 +143,9 @@ int main (int argc, char *argv[])
case (10):
case ('\r'):
rowAddRow(t.cur.yy);
t.cur.y++;
t.cur.x = 0;
t.cur.off_x = 0;
break;
case (KEY_END):
t.cur.y = rows.rownum;
@ -154,7 +157,7 @@ int main (int argc, char *argv[])
break;
default:
if (c == KEY_STAB) c = '\t';
rowAddChar(&rows.rw[t.cur.yy], c, t.cur.xx);
rowAddChar(&rows.rw[t.cur.yy], c, t.cur.x);
}
if (decimalSize(rows.rownum) - irow) updateInfo();
}
@ -236,7 +239,7 @@ void drawScreen ()
/* Clear the screen */
erase();
/* Update Scroll */
updateScroll();
updateOffset();
/* draw the lines */
drawLines();
/* draw the bar */
@ -294,23 +297,14 @@ void drawBar (char *s)
mvaddch(t.dim.y, i, ' ');
static char m[40];
sprintf(m, "x: %d y: %d Zoom: %c", t.cur.xx, t.cur.yy, whatsThat());
sprintf(m, "x: %d y: %d Zoom: %c", t.cur.x, t.cur.yy, whatsThat());
mvaddstr(t.dim.y, t.dim.x + t.pad - strlen(m), m);
/* Return to normal contrast mode */
attroff(COLOR_PAIR(2));
}
/* convert the cursor matchoing the memory to the drawn one */
int curRealToRender (row *rw, int c_x)
{
int r_x = 0;
for (int i = 0; i < c_x; i++) {
if (rw->chars[i] == '\t') r_x += (TABSIZE - 1) - (r_x % TABSIZE);
r_x++;
}
return r_x;
}
void updateRender (row *rw)
{
@ -478,22 +472,22 @@ void rowAddRow (int pos) // WIP; TO DOCUMENT
}
//copy previous row
int l = rows.rw[pos].size - t.cur.xx;
int l = rows.rw[pos].size - t.cur.x;
s = malloc(l + 1);
if (s == NULL) termDie("malloc in rowAddRow s");
memcpy(s, &rows.rw[pos].chars[t.cur.xx], l);
memcpy(s, &rows.rw[pos].chars[t.cur.x], l);
s[l] = '\0';
// Delete prev row until cursor
char *p = malloc(t.cur.xx + 1);
char *p = malloc(t.cur.x + 1);
if (p == NULL) termDie("malloc in rowAddRow p");
memcpy(p, rows.rw[pos].chars, t.cur.xx);
p[t.cur.xx] = '\0';
memcpy(p, rows.rw[pos].chars, t.cur.x);
p[t.cur.x] = '\0';
rowFree(&rows.rw[pos]);
rows.rw[pos].chars = malloc(t.cur.xx + 1);
rows.rw[pos].chars = malloc(t.cur.x + 1);
if (rows.rw[pos].chars == NULL) termDie("malloc in rowAddRow chars until cursor");
memcpy(rows.rw[pos].chars, p, t.cur.xx + 1);
memcpy(rows.rw[pos].chars, p, t.cur.x + 1);
free(p);
rows.rw[pos].size = t.cur.xx;
rows.rw[pos].size = t.cur.x;
updateRender(&rows.rw[pos]);
if (pos != rows.rownum - 1) {
@ -506,9 +500,6 @@ void rowAddRow (int pos) // WIP; TO DOCUMENT
} else rowAddLast(s, l);
free(s);
t.cur.y++;
t.cur.x = 0;
t.cur.off_x = 0;
}
void rowFree (row *rw) // WIP
@ -567,8 +558,9 @@ void cursorMove (int a)
{
switch (a) {
case (KEY_LEFT):
if (t.cur.x <= 0 && !t.cur.off_x) {
if (t.cur.y) {
//if (t.cur.x <= 0 && !t.cur.off_x) {
if (t.cur.x <= 0) {
if (t.cur.yy) {
t.cur.y--;
t.cur.yy--;
t.cur.x = rows.rw[t.cur.yy].size;
@ -577,11 +569,11 @@ void cursorMove (int a)
break;
case (KEY_RIGHT):
if (t.cur.xx >= rows.rw[t.cur.yy].size) {
if (t.cur.x >= rows.rw[t.cur.yy].size) {
if (t.cur.yy < rows.rownum - 1) {
t.cur.y++;
t.cur.yy++;
if (t.cur.off_x) t.cur.off_x = 0;
//if (t.cur.off_x) t.cur.off_x = 0;
//t.cur.x = rows.rw[t.cur.yy].size;
t.cur.x = 0;
}
@ -593,8 +585,8 @@ void cursorMove (int a)
if (t.cur.y) {
t.cur.y--;
t.cur.yy--;
if (t.cur.xx > rows.rw[t.cur.yy].size) {
if (t.cur.off_x) t.cur.off_x = 0;
if (t.cur.x > rows.rw[t.cur.yy].size) {
//if (t.cur.off_x) t.cur.off_x = 0;
t.cur.x = rows.rw[t.cur.yy].size;
}
}
@ -604,8 +596,8 @@ void cursorMove (int a)
if (t.cur.yy < rows.rownum - 1) {
t.cur.y++;
t.cur.yy++;
if (t.cur.xx > rows.rw[t.cur.yy].size) {
if (t.cur.off_x) t.cur.off_x = 0;
if (t.cur.x > rows.rw[t.cur.yy].size) {
//if (t.cur.off_x) t.cur.off_x = 0;
t.cur.x = rows.rw[t.cur.yy].size;
}
}
@ -614,7 +606,7 @@ void cursorMove (int a)
}
}
void updateScroll (void)
void updateOffset (void)
{
/* Set y offset */
if (t.cur.y >= t.dim.y) {
@ -629,7 +621,7 @@ void updateScroll (void)
}
/* Set x offeset */
if (t.cur.x >= t.dim.x) {
/*if (t.cur.x >= t.dim.x) {
if (t.cur.x == t.dim.x - 1) t.cur.off_x++;
else t.cur.off_x += t.cur.x - t.dim.x;
@ -638,20 +630,38 @@ void updateScroll (void)
} else if (t.cur.x < 0 && t.cur.off_x > 0) {
t.cur.off_x--;
t.cur.x = 0;
}*/
t.cur.r_x = curRealToRender(&rows.rw[t.cur.yy], t.cur.x);
if (t.cur.r_x >= t.dim.x) {
t.cur.off_x += (t.cur.r_x > t.dim.x ) ? (t.cur.r_x - t.dim.x) : 1;
t.cur.r_x = t.dim.x - 1;
} else if (t.cur.r_x <= 0) {
t.cur.off_x -= (t.cur.off_x > 0) ? 0 : t.cur.off_x;
t.cur.r_x = 0;
}
/* convert the cursor from real to render
* and update other cursor info */
t.cur.yy = t.cur.y + t.cur.off_y;
t.cur.xx = t.cur.x + t.cur.off_x;
t.cur.r_x = curRealToRender(&rows.rw[t.cur.yy], t.cur.x);
t.cur.d_x = t.cur.r_x - t.cur.x;
//t.cur.xx = t.cur.x + t.cur.off_x;
//t.cur.d_x = t.cur.r_x - t.cur.x;
}
/* convert the cursor matchoing the memory to the drawn one */
int curRealToRender (row *rw, int c_x)
{
static int r_x = 0, i;
for (i = 0, r_x = 0; i < c_x; i++) {
if (rw->chars[i] == '\t') r_x += (TABSIZE - 1) - (r_x % TABSIZE);
r_x++;
}
return r_x;
}
/*---------------------------------- scroll ------------------------------------*/
/* See whats under the cursor (memory) */
int whatsThat (void) {
int c = rows.rw[t.cur.yy].chars[t.cur.xx];
int c = rows.rw[t.cur.yy].chars[t.cur.x];
switch (c) {
case ('\t'):
return '^';
@ -673,20 +683,20 @@ int whatsThat (void) {
void handleDel (int select)
{
if (!select) {
if (t.cur.xx <= 0 && t.cur.yy > 0) {
if (t.cur.x <= 0 && t.cur.yy > 0) {
t.cur.x = rows.rw[t.cur.yy - 1].size;
rowAddString(&rows.rw[t.cur.yy - 1], rows.rw[t.cur.yy].chars, rows.rw[t.cur.yy].size, -1);
rowDeleteRow(t.cur.yy);
t.cur.y--;
} else {
rowDeleteChar(&rows.rw[t.cur.yy], 0, t.cur.xx);
rowDeleteChar(&rows.rw[t.cur.yy], 0, t.cur.x);
}
} else {
if (t.cur.xx >= rows.rw[t.cur.yy].size) {
if (t.cur.x >= rows.rw[t.cur.yy].size) {
rowAddString(&rows.rw[t.cur.yy], rows.rw[t.cur.yy + 1].chars, rows.rw[t.cur.yy + 1].size, -1);
rowDeleteRow(t.cur.yy + 1);
} else {
rowDeleteChar(&rows.rw[t.cur.yy], 1, t.cur.xx);
rowDeleteChar(&rows.rw[t.cur.yy], 1, t.cur.x);
}
}
}

Write Preview
Loading…
Cancel
Save