diff options
Diffstat (limited to 'st.c')
| -rw-r--r-- | st.c | 22 |
1 files changed, 19 insertions, 3 deletions
@@ -164,7 +164,7 @@ typedef struct { int col; /* nb col */ Line* line; /* screen */ Line* alt; /* alternate screen */ - bool* dirty; /* dirtyness of lines */ + bool* dirty; /* dirtyness of lines */ TCursor c; /* cursor */ int top; /* top scroll limit */ int bot; /* bottom scroll limit */ @@ -172,6 +172,7 @@ typedef struct { int esc; /* escape state flags */ char title[ESC_TITLE_SIZ]; int titlelen; + bool *tabs; } Term; /* Purely graphic info */ @@ -847,12 +848,16 @@ tcursor(int mode) { void treset(void) { + unsigned i; term.c = (TCursor){{ .mode = ATTR_NULL, .fg = DefaultFG, .bg = DefaultBG }, .x = 0, .y = 0, .state = CURSOR_DEFAULT}; - + + memset(term.tabs, 0, term.col * sizeof(*term.tabs)); + for (i = TAB; i < term.col; i += TAB) + term.tabs[i] = 1; term.top = 0, term.bot = term.row - 1; term.mode = MODE_WRAP; tclearregion(0, 0, term.col-1, term.row-1); @@ -865,12 +870,14 @@ tnew(int col, int row) { term.line = malloc(term.row * sizeof(Line)); term.alt = malloc(term.row * sizeof(Line)); term.dirty = malloc(term.row * sizeof(*term.dirty)); + term.tabs = malloc(term.col * sizeof(*term.tabs)); for(row = 0; row < term.row; row++) { term.line[row] = malloc(term.col * sizeof(Glyph)); term.alt [row] = malloc(term.col * sizeof(Glyph)); term.dirty[row] = 0; } + memset(term.tabs, 0, term.col * sizeof(*term.tabs)); /* setup screen */ treset(); } @@ -1588,6 +1595,7 @@ tresize(int col, int row) { term.line = realloc(term.line, row * sizeof(Line)); term.alt = realloc(term.alt, row * sizeof(Line)); term.dirty = realloc(term.dirty, row * sizeof(*term.dirty)); + term.tabs = realloc(term.tabs, col * sizeof(*term.tabs)); /* resize each row to new width, zero-pad if needed */ for(i = 0; i < minrow; i++) { @@ -1606,7 +1614,15 @@ tresize(int col, int row) { term.line[i] = calloc(col, sizeof(Glyph)); term.alt [i] = calloc(col, sizeof(Glyph)); } - + if (col > term.col) { + bool *bp = term.tabs + term.col; + + memset(bp, 0, sizeof(*term.tabs) * (col - term.col)); + while (--bp > term.tabs && !*bp) + /* nothing */ ; + for (bp += TAB; bp < term.tabs + col; bp += TAB) + *bp = 1; + } /* update terminal size */ term.col = col, term.row = row; /* make use of the LIMIT in tmoveto */ |