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Define constants for window geometry 

Also fixes uiDraw so that the split lines and marker don't overlap the
main window, although that wasn't causing any real problems.
master
C. McEnroe 2020-05-25 13:51:09 -04:00
parent 53f206f7e0
commit b352f5965b
1 changed files with 38 additions and 23 deletions
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55
ui.c
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@ -46,9 +46,18 @@
#define A_ITALIC A_NORMAL
#endif
enum {
StatusLines = 1,
WindowLines = 1024,
MarkerLines = 1,
SplitLines = 5,
InputLines = 1,
InputCols = 1024,
};
#define BOTTOM (LINES - 1)
#define RIGHT (COLS - 1)
#define PAGE_LINES (LINES - 2)
#define MAIN_LINES (LINES - StatusLines - InputLines)
static WINDOW *status;
static WINDOW *marker;
@ -82,7 +91,6 @@ static struct Line bufferLine(const struct Buffer *buffer, size_t i) {
return buffer->lines[(buffer->len + i) % BufferCap];
}
enum { WindowLines = BufferCap };
struct Window {
uint id;
WINDOW *pad;
@ -264,8 +272,6 @@ static void errExit(void) {
reset_shell_mode();
}
enum { SplitLines = 5 };
void uiInit(void) {
initscr();
cbreak();
@ -284,13 +290,16 @@ void uiInit(void) {
ENUM_KEY
#undef X
status = newwin(1, COLS, 0, 0);
status = newwin(StatusLines, COLS, 0, 0);
if (!status) err(EX_OSERR, "newwin");
marker = newwin(1, COLS, BOTTOM - SplitLines - 1, 0);
marker = newwin(
MarkerLines, COLS,
LINES - InputLines - SplitLines - MarkerLines, 0
);
wbkgd(marker, ACS_BULLET);
input = newpad(1, 1024);
input = newpad(InputLines, InputCols);
if (!input) err(EX_OSERR, "newpad");
keypad(input, true);
nodelay(input, true);
@ -309,20 +318,27 @@ void uiDraw(void) {
if (hidden) return;
wnoutrefresh(status);
const struct Window *window = windows.ptrs[windows.show];
if (!window->scroll) {
pnoutrefresh(
window->pad,
WindowLines - window->scroll - PAGE_LINES + !!window->scroll, 0,
1, 0,
BOTTOM - 1 - !!window->scroll, RIGHT
WindowLines - MAIN_LINES, 0,
StatusLines, 0,
BOTTOM - InputLines, RIGHT
);
} else {
pnoutrefresh(
window->pad,
WindowLines - window->scroll - MAIN_LINES + MarkerLines, 0,
StatusLines, 0,
BOTTOM - InputLines - SplitLines - MarkerLines, RIGHT
);
if (window->scroll) {
touchwin(marker);
wnoutrefresh(marker);
pnoutrefresh(
window->pad,
WindowLines - SplitLines, 0,
BOTTOM - SplitLines, 0,
BOTTOM - 1, RIGHT
LINES - InputLines - SplitLines, 0,
BOTTOM - InputLines, RIGHT
);
}
int y, x;
@ -330,7 +346,7 @@ void uiDraw(void) {
pnoutrefresh(
input,
0, (x + 1 > RIGHT ? x + 1 - RIGHT : 0),
BOTTOM, 0,
LINES - InputLines, 0,
BOTTOM, RIGHT
);
(void)y;
@ -517,21 +533,20 @@ void uiHide(void) {
static void windowScroll(struct Window *window, int n) {
mark(window);
window->scroll += n;
if (window->scroll > WindowLines - PAGE_LINES) {
window->scroll = WindowLines - PAGE_LINES;
if (window->scroll > WindowLines - MAIN_LINES) {
window->scroll = WindowLines - MAIN_LINES;
}
if (window->scroll < 0) window->scroll = 0;
unmark(window);
}
static void windowScrollPage(struct Window *window, int n) {
// -1 for split marker, -1 for line of overlap.
windowScroll(window, n * (PAGE_LINES - SplitLines - 2));
windowScroll(window, n * (MAIN_LINES - SplitLines - MarkerLines - 1));
}
static void windowScrollUnread(struct Window *window) {
window->scroll = 0;
windowScroll(window, window->unreadSoft - PAGE_LINES + 1);
windowScroll(window, window->unreadSoft - MAIN_LINES);
}
static int wordWidth(const char *str) {
@ -687,7 +702,7 @@ static void reflow(struct Window *window) {
}
static void resize(void) {
mvwin(marker, BOTTOM - SplitLines - 1, 0);
mvwin(marker, LINES - InputLines - SplitLines - MarkerLines, 0);
int height, width;
getmaxyx(windows.ptrs[0]->pad, height, width);
if (width == COLS) return;