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start parameterizing viewport for editor

This commit is contained in:
Kartik K. Agaram 2022-01-02 20:13:25 -08:00
parent 1fd7f4ad18
commit 78516d140f
1 changed files with 18 additions and 8 deletions
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26
src/kilo.c
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@ -91,7 +91,7 @@ typedef struct hlcolor {
struct editorConfig {
int cx,cy; /* Cursor x and y position in characters */
int cols; /* viewport width */
int startcol, cols; /* viewport column bounds */
int rowoff; /* Offset of row displayed. */
int coloff; /* Offset of column displayed. */
int numrows; /* Number of rows */
@ -746,7 +746,7 @@ static void editorRefreshScreen(void (*menu_func)(void)) {
}
mvaddstr(y, 0, "");
attron(COLOR_PAIR(COLOR_PAIR_FADE));
printw("%3d ", filerow+1); // LINE_NUMBER_SPACE-1
printw("%3d ", filerow+1); // %3d = LINE_NUMBER_SPACE-1
attroff(COLOR_PAIR(COLOR_PAIR_FADE));
}
for (y = 0; y < LINES-1; y++) {
@ -759,7 +759,7 @@ static void editorRefreshScreen(void (*menu_func)(void)) {
r = &E.row[filerow];
int len = r->rsize - E.coloff;
mvaddstr(y, LINE_NUMBER_SPACE, "");
mvaddstr(y, E.startcol, "");
if (len > 0) {
if (len > E.cols) len = E.cols;
char *c = r->render+E.coloff;
@ -1199,7 +1199,9 @@ int edit(lua_State* L, char* filename) {
initEditor();
editorOpen(filename);
while(!Quit) {
E.cols = COLS-LINE_NUMBER_SPACE; /* update on resize */
/* update on resize */
E.startcol = LINE_NUMBER_SPACE;
E.cols = COLS-LINE_NUMBER_SPACE;
editorRefreshScreen(editorMenu);
editorProcessKeypress(L);
}
@ -1246,7 +1248,9 @@ void editNonCode(char* filename) {
initEditor();
editorOpen(filename);
while(!Quit) {
E.cols = COLS-LINE_NUMBER_SPACE; /* update on resize */
/* update on resize */
E.startcol = LINE_NUMBER_SPACE;
E.cols = COLS-LINE_NUMBER_SPACE;
editorRefreshScreen(editorNonCodeMenu);
int c = getch();
editorProcessKeypress2(c);
@ -1264,7 +1268,9 @@ int editFrom(lua_State* L, char* filename, int rowoff, int coloff, int cy, int c
E.cx = cx;
editorOpen(filename);
while(!Quit) {
E.cols = COLS-LINE_NUMBER_SPACE; /* update on resize */
/* update on resize */
E.startcol = LINE_NUMBER_SPACE;
E.cols = COLS-LINE_NUMBER_SPACE;
editorRefreshScreen(editorMenu);
editorProcessKeypress(L);
}
@ -1275,7 +1281,9 @@ int resumeEdit(lua_State* L) {
Quit = 0;
Back_to_big_picture = 0;
while(!Quit) {
E.cols = COLS-LINE_NUMBER_SPACE; /* update on resize */
/* update on resize */
E.startcol = LINE_NUMBER_SPACE;
E.cols = COLS-LINE_NUMBER_SPACE;
editorRefreshScreen(editorMenu);
editorProcessKeypress(L);
}
@ -1286,7 +1294,9 @@ void resumeNonCodeEdit() {
Quit = 0;
Back_to_big_picture = 0;
while(!Quit) {
E.cols = COLS-LINE_NUMBER_SPACE; /* update on resize */
/* update on resize */
E.startcol = LINE_NUMBER_SPACE;
E.cols = COLS-LINE_NUMBER_SPACE;
editorRefreshScreen(editorMenu);
int c = getch();
editorProcessKeypress2(c);