mirror of
https://github.com/bobbimanners/emailler.git
synced 2024-11-17 15:07:30 +00:00
Moved some more code to LC. Allows bigger edit buffer.
This commit is contained in:
Bobbi Webber-Manners
parent
8539821d71
commit
0c53299815
49
apps/edit.c
49
apps/edit.c
@ -5,10 +5,10 @@
|
||||
|
||||
// TODO: Bug when copying or moving text to earlier in doc
|
||||
// TODO: Still some lingering screen update bugs
|
||||
// TODO: Add 'Rename' command (OA-N ?) Do we need the existing clear now?
|
||||
// TODO: Replace should remember name of target string too
|
||||
// TODO: Should be smarter about redrawing in when updating selection!!!
|
||||
// TODO: Doesn't check for error cases when calling gap buffer functions
|
||||
// TODO: Make use of 3K LC memory to allow bigger buffer. Aux mem???
|
||||
// TODO: Make use aux mem
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
@ -41,7 +41,7 @@
|
||||
typedef unsigned char uint8_t;
|
||||
typedef unsigned short uint16_t;
|
||||
|
||||
#define BUFSZ 18000
|
||||
#define BUFSZ (20 * 1024)
|
||||
char gapbuf[BUFSZ];
|
||||
char padding = 0; // To null terminate for strstr()
|
||||
uint16_t gapbegin = 0;
|
||||
@ -67,6 +67,7 @@ uint8_t modified; // If 1, file contents have been modified
|
||||
enum selmode {SEL_NONE, SEL_COPY2, SEL_MOVE2, SEL_DEL, SEL_MOVE, SEL_COPY};
|
||||
enum selmode mode;
|
||||
|
||||
// Mousetext Open-Apple
|
||||
char openapple[] = "\x0f\x1b""A\x18\x0e";
|
||||
|
||||
/*
|
||||
@ -88,12 +89,14 @@ char openapple[] = "\x0f\x1b""A\x18\x0e";
|
||||
/*
|
||||
* Put cursor at beginning of PROMPT_ROW
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void goto_prompt_row(void) {
|
||||
uint8_t i;
|
||||
putchar(HOME);
|
||||
for (i = 0; i < PROMPT_ROW - 1; ++i)
|
||||
putchar(CURDOWN);
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Prompt for a name in the bottom line of the screen
|
||||
@ -102,6 +105,7 @@ void goto_prompt_row(void) {
|
||||
* is_file - if 1, restrict chars to those allowed in ProDOS filename
|
||||
* Returns number of chars read
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
uint8_t prompt_for_name(char *prompt, uint8_t is_file) {
|
||||
uint16_t i;
|
||||
char c;
|
||||
@ -144,10 +148,12 @@ done:
|
||||
cursor(1);
|
||||
return i;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Prompt ok?
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
char prompt_okay(char *msg) {
|
||||
char c;
|
||||
cursor(0);
|
||||
@ -169,10 +175,12 @@ char prompt_okay(char *msg) {
|
||||
cursor(1);
|
||||
return c;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Error message
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void show_error(char *msg) {
|
||||
cursor(0);
|
||||
goto_prompt_row();
|
||||
@ -183,10 +191,12 @@ void show_error(char *msg) {
|
||||
gotoxy(curscol, cursrow);
|
||||
cursor(1);
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Info message
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void show_info(char *msg) {
|
||||
cursor(0);
|
||||
goto_prompt_row();
|
||||
@ -194,6 +204,7 @@ void show_info(char *msg) {
|
||||
gotoxy(curscol, cursrow);
|
||||
cursor(1);
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Insert a character into gapbuf at current position
|
||||
@ -246,6 +257,7 @@ uint8_t get_char(char *c) {
|
||||
* pos - position to which to move
|
||||
* Returns 0 on success, 1 if pos is invalid
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
uint8_t jump_pos(uint16_t pos) {
|
||||
if (pos > BUFSZ - 1)
|
||||
return 1;
|
||||
@ -261,13 +273,16 @@ uint8_t jump_pos(uint16_t pos) {
|
||||
} while (pos < GETPOS());
|
||||
return 0;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Go to next tabstop
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
uint8_t next_tabstop(uint8_t col) {
|
||||
return (col / 8) * 8 + 8;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Load a file from disk into the gapbuf
|
||||
@ -275,6 +290,7 @@ uint8_t next_tabstop(uint8_t col) {
|
||||
* Returns 0 on success
|
||||
* 1 if file can't be opened
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
uint8_t load_file(char *filename) {
|
||||
char c;
|
||||
uint8_t i;
|
||||
@ -314,6 +330,7 @@ uint8_t load_file(char *filename) {
|
||||
fclose(fp);
|
||||
return 0;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Save gapbuf to file
|
||||
@ -322,6 +339,7 @@ uint8_t load_file(char *filename) {
|
||||
* 1 if file can't be opened
|
||||
* 2 gapbuf is corrupt
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
uint8_t save_file(char *filename) {
|
||||
char c;
|
||||
FILE *fp = fopen(filename, "w");
|
||||
@ -334,6 +352,7 @@ uint8_t save_file(char *filename) {
|
||||
fclose(fp);
|
||||
return 0;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Read next char from gapbuf[] and update state.
|
||||
@ -607,6 +626,7 @@ void update_after_insert_char(void) {
|
||||
/*
|
||||
* Move the cursor left
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void cursor_left(void) {
|
||||
if (gapbegin > 0)
|
||||
gapbuf[gapend--] = gapbuf[--gapbegin];
|
||||
@ -629,10 +649,12 @@ void cursor_left(void) {
|
||||
--curscol;
|
||||
gotoxy(curscol, cursrow);
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Move the cursor right
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void cursor_right(void) {
|
||||
if (gapend < BUFSZ - 1)
|
||||
gapbuf[gapbegin++] = gapbuf[++gapend];
|
||||
@ -652,11 +674,13 @@ void cursor_right(void) {
|
||||
}
|
||||
gotoxy(curscol, cursrow);
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Move the cursor up
|
||||
* Returns 1 if at top, 0 otherwise
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
uint8_t cursor_up(void) {
|
||||
uint8_t i;
|
||||
if (cursrow == 0) {
|
||||
@ -679,11 +703,13 @@ uint8_t cursor_up(void) {
|
||||
gotoxy(curscol, cursrow);
|
||||
return 0;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Move the cursor down
|
||||
* Returns 1 if at bottom, 0 otherwise
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
uint8_t cursor_down(void) {
|
||||
uint8_t i;
|
||||
if (cursrow == NROWS - 1)
|
||||
@ -710,66 +736,80 @@ uint8_t cursor_down(void) {
|
||||
gotoxy(curscol, cursrow);
|
||||
return 0;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Goto beginning of line
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void goto_bol(void) {
|
||||
while (curscol > 0)
|
||||
cursor_left();
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Goto end of line
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void goto_eol(void) {
|
||||
while (curscol < rowlen[cursrow] - 1)
|
||||
cursor_right();
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Word left
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void word_left(void) {
|
||||
do {
|
||||
cursor_left();
|
||||
} while ((gapbuf[gapbegin] != ' ') && (gapbuf[gapbegin] != EOL) &&
|
||||
(gapbegin > 0));
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Word right
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void word_right(void) {
|
||||
do {
|
||||
cursor_right();
|
||||
} while ((gapbuf[gapbegin] != ' ') && (gapbuf[gapbegin] != EOL) &&
|
||||
(gapend < BUFSZ - 1));
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Jump forward 15 screen lines
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void page_down(void) {
|
||||
uint8_t i;
|
||||
for (i = 0; i < 15; ++i)
|
||||
if (cursor_down() == 1)
|
||||
break;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Jump back 15 screen lines
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void page_up(void) {
|
||||
uint8_t i;
|
||||
for (i = 0; i < 15; ++i)
|
||||
if (cursor_up() == 1)
|
||||
break;
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Help screen
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void help(void) {
|
||||
cursor(0);
|
||||
clrscr();
|
||||
@ -798,6 +838,7 @@ void help(void) {
|
||||
printf(" [Press Any Key]");
|
||||
cgetc();
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Load EMAIL.SYSTEM to $2000 and jump to it
|
||||
@ -814,6 +855,7 @@ void load_email(void) {
|
||||
/*
|
||||
* Save file to disk, handle user interface
|
||||
*/
|
||||
#pragma code-name (push, "LC")
|
||||
void save(void) {
|
||||
if (strlen(filename) == 0) {
|
||||
prompt_for_name("File", 1);
|
||||
@ -830,6 +872,7 @@ void save(void) {
|
||||
}
|
||||
}
|
||||
}
|
||||
#pragma code-name (pop)
|
||||
|
||||
/*
|
||||
* Main editor routine
|
||||
|
||||
Loading…
Reference in New Issue
Block a user