remove trailing blank lines in write_file - change check_bound - gramscii - A simple editor for ASCII box-and-arrow charts
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---
(DIR) commit 82a7c12e8338288ccb40d213fcc9e15d102aa968
(DIR) parent 62713aaf65264950aecad9237d50e911d7dad893
(HTM) Author: KatolaZ <katolaz@freaknet.org>
Date: Thu, 1 Aug 2019 16:42:36 +0100
remove trailing blank lines in write_file - change check_bound
Diffstat:
M draw.c | 33 ++++++++++++++++---------------
M files.c | 14 +++++++++++---
M gramscii.h | 6 ++++--
M lineset.c | 9 +++++++--
M main.c | 2 +-
M screen.c | 14 +++++++-------
6 files changed, 47 insertions(+), 31 deletions(-)
---
(DIR) diff --git a/draw.c b/draw.c
@@ -94,7 +94,7 @@ void get_text(FILE *fc){
if (x >= WIDTH)
x = orig_x;
}
- check_bound();
+ check_bound(&x, &y);
status_bar();
show_cursor();
}
@@ -150,7 +150,7 @@ void get_box(FILE *fc){
goto update_box;
if (!move_around(c, fc))
continue;
- check_bound();
+ check_bound(&x, &y);
redraw();
step = 1;
update_box:
@@ -166,19 +166,19 @@ update_box:
mode = MOVE;
}
-void draw_arrow(int x, int y, char *a, int a_len, int fix){
+void draw_arrow(int xl, int yl, char *a, int a_len, int fix){
int i, j, cur_dir;
char line;
void (*f)(int, int, char);
- a_miny = a_maxy = y;
+ a_miny = a_maxy = yl;
if (fix == FIX)
f = set_xy;
else
f = draw_xy;
- f(x,y,mark_st);
+ f(xl, yl, mark_st);
if (!a_len){
show_cursor();
return;
@@ -189,27 +189,28 @@ void draw_arrow(int x, int y, char *a, int a_len, int fix){
/* If we are switching between horizontal and vertical, put a "corner" */
if (((cur_dir & DIR_HOR) && (a[i] & DIR_VER)) ||
((cur_dir & DIR_VER) && (a[i] & DIR_HOR))){
- f(x,y,corner);
+ f(xl, yl, corner);
show_cursor();
}
}
for(j=0; j<a[i+1]; j++){
line = (a[i] & DIR_L) || (a[i] & DIR_R) ? line_h : line_v;
- x += progr_x(a[i]);
- y += progr_y(a[i]);
- if (y < a_miny) a_miny = y;
- if (y > a_maxy) a_maxy = y;
- f(x, y, line);
+ xl += progr_x(a[i]);
+ yl += progr_y(a[i]);
+ check_bound(&xl, &yl);
+ if (yl < a_miny) a_miny = yl;
+ if (yl > a_maxy) a_maxy = yl;
+ f(xl, yl, line);
}
/* f(x,y,mark_end);*/
cur_dir = a[i];
}
if (autoend){
if (cur_dir != DIR_N)
- f(x,y, get_mark(cur_dir));
+ f(xl,yl, get_mark(cur_dir));
}
else
- f(x,y,mark_end);
+ f(xl,yl,mark_end);
show_cursor();
}
@@ -235,7 +236,7 @@ void get_arrow(FILE *fc){
goto update_arrow;
if (!move_around(c, fc))
continue;
- check_bound();
+ check_bound(&x, &y);
/* FIXME: if we are out of bound, do nothing? */
if (arrow_len == arrow_sz){
arrow_sz *=2;
@@ -289,7 +290,7 @@ void erase(FILE *fc){
show_cursor();
while((c=fgetc(fc))!=EOF && c!=27 && c!= 'x' && c != '\n'){
if (!move_around(c, fc)) continue;
- check_bound();
+ check_bound(&x, &y);
if (first ||
(y != orig_y && ! opened) ||
(y == orig_y && x != orig_x && !opened) ){
@@ -354,7 +355,7 @@ void visual_box(FILE *fc){
goto vis_exit;
break;
}
- check_bound();
+ check_bound(&x, &y);
set_video(VIDEO_NRM);
redraw();
step = 1;
(DIR) diff --git a/files.c b/files.c
@@ -7,7 +7,7 @@
void write_file(FILE *fc){
FILE *fout;
- int i;
+ int i, ne;
if (!fname[0] || force_new){
get_string(fc, "Write to: ", fname, 255);
@@ -23,8 +23,16 @@ void write_file(FILE *fc){
get_key(fc, "Error opening file.");
return;
}
+ ne = 0;
for (i=0; i<HEIGHT; i++){
- fprintf(fout, "%s\n", screen.l[i].s);
+ if (strlen(screen.l[i].s)){/* remove trailing blank lines */
+ /* put the empty lines preceeding the current non-empty one */
+ while (ne--)
+ fprintf(fout, "\n");
+ fprintf(fout, "%s\n", screen.l[i].s);
+ ne = 0;
+ }
+ else ne++;
}
fclose(fout);
modified = 0;
@@ -51,7 +59,7 @@ void load_file(FILE *fc){
if ((fin=fopen(newfname, "r")) != NULL){
i = 0;
while((fgets(screen.l[i].s, WIDTH+1, fin)) != NULL && i<HEIGHT){
- screen.l[i].lst = strlen(screen.l[i].s) - 1;
+ screen.l[i].lst = strlen(screen.l[i].s) - 2;
screen.l[i].n = i;
screen.l[i].s[strlen(screen.l[i].s)-1]='\0';
i++;
(DIR) diff --git a/gramscii.h b/gramscii.h
@@ -82,7 +82,9 @@ typedef struct{
#define progr_x(d) ((d) == DIR_L ? -1 : (d) == DIR_R ? 1 : 0)
#define progr_y(d) ((d) == DIR_U ? -1 : (d) == DIR_D ? 1 : 0)
-#define DEBUG 1
+/*
+ * #define DEBUG 1
+ */
/** global variables **/
@@ -139,7 +141,7 @@ struct termios t1, t2, t3;
void reset_styles();
void redraw();
int move_around(char c, FILE *fc);
-void check_bound();
+void check_bound(int *x, int *y);
void status_bar();
void show_cursor();
void set_cur(char c);
(DIR) diff --git a/lineset.c b/lineset.c
@@ -144,13 +144,18 @@ void copy_lines_to_ring(int y1, int y2, int which){
else
idx = undo_cur + 1;
if (idx >= undo_sz - 1){
- undo_sz += 10;
- tmp = realloc(undo, undo_sz * sizeof(lineset_t));
+ tmp = realloc(undo, (undo_sz + 10) * sizeof(lineset_t));
if (tmp == NULL){
fprintf(stderr, "Error allocating undo buffer");
exit(1);
}
undo = tmp;
+ for (i=0; i<10; i++){
+ undo[undo_sz + i].sz = 0;
+ undo[undo_sz + i].l = NULL;
+ undo[undo_sz + i].num = 0;
+ }
+ undo_sz += 10;
}
ensure_num_lines(&(undo[idx]), y2 - y1 + 1);
for(i=y1; i<=y2; i++){
(DIR) diff --git a/main.c b/main.c
@@ -135,7 +135,7 @@ void commands(FILE *fc){
break;
}
}
- check_bound();
+ check_bound(&x, &y);
status_bar();
show_cursor();
step = 1;
(DIR) diff --git a/screen.c b/screen.c
@@ -196,11 +196,11 @@ void erase_screen(){
erase_line(i);
}
-void check_bound(){
- if (x<0) x=0;
- else if (x>=WIDTH) x = WIDTH-1;
- if (y<0) y=0;
- else if (y>=HEIGHT) y = HEIGHT -1;
+void check_bound(int *x, int *y){
+ if (*x<0) *x=0;
+ else if (*x>=WIDTH) *x = WIDTH-1;
+ if (*y<0) *y=0;
+ else if (*y>=HEIGHT) *y = HEIGHT -1;
}
void reset_styles(){
@@ -242,7 +242,7 @@ void go_to(int where){
y = HEIGHT/2;
break;
}
- check_bound();
+ check_bound(&x, &y);
show_cursor();
}
@@ -279,7 +279,7 @@ void handle_goto(){
go_to(MIDDLE);
break;
}
- check_bound();
+ check_bound(&x, &y);
show_cursor();
}