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demo: translucent about panel #331

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nick black 2020-02-12 19:01:35 -05:00
parent 07b54aab58
commit d21c16a6f5
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GPG Key ID: 5F43400C21CBFACC
1 changed files with 28 additions and 14 deletions
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42
src/demo/hud.c
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@ -85,21 +85,35 @@ about_toggle(struct notcurses* nc){
about = NULL;
return;
}
const int ABOUT_ROWS = 5;
const int ABOUT_ROWS = 9;
const int ABOUT_COLS = 40;
struct ncplane* n = ncplane_aligned(notcurses_stdplane(nc),
ABOUT_ROWS, ABOUT_COLS,
3, NCALIGN_CENTER, NULL);
cell ul = CELL_TRIVIAL_INITIALIZER, ur = CELL_TRIVIAL_INITIALIZER;
cell lr = CELL_TRIVIAL_INITIALIZER, ll = CELL_TRIVIAL_INITIALIZER;
cell hl = CELL_TRIVIAL_INITIALIZER, vl = CELL_TRIVIAL_INITIALIZER;
if(cells_double_box(n, 0, 0, &ul, &ur, &ll, &lr, &hl, &vl) == 0){
if(ncplane_perimeter(n, &ul, &ur, &ll, &lr, &hl, &vl, 0) == 0){
cell_release(n, &ul); cell_release(n, &ur); cell_release(n, &hl);
cell_release(n, &ll); cell_release(n, &lr); cell_release(n, &vl);
if(ncplane_set_base(n, 0, 0, " ") > 0){
ncplane_printf_aligned(n, 1, NCALIGN_CENTER, "notcurses-demo %s", notcurses_version());
ncplane_putstr_aligned(n, 3, NCALIGN_CENTER, "\u00a9 nick black <nickblack@linux.com>");
int dimy;
notcurses_term_dim_yx(nc, &dimy, NULL);
struct ncplane* n = ncplane_aligned(notcurses_stdplane(nc), ABOUT_ROWS, ABOUT_COLS,
dimy - (ABOUT_ROWS + 2), NCALIGN_CENTER, NULL);
// let the glyphs below show through, but only dimly
uint64_t channels = 0;
channels_set_fg_alpha(&channels, CELL_ALPHA_BLEND);
channels_set_fg_rgb(&channels, 0x0, 0x0, 0x0);
channels_set_bg_alpha(&channels, CELL_ALPHA_BLEND);
channels_set_bg_rgb(&channels, 0x0, 0x0, 0x0);
if(ncplane_set_base(n, channels, 0, "") >= 0){
ncplane_set_fg(n, 0xc0f0c0);
ncplane_set_bg(n, 0);
ncplane_set_bg_alpha(n, CELL_ALPHA_BLEND);
ncplane_printf_aligned(n, 1, NCALIGN_CENTER, "notcurses-demo %s", notcurses_version());
ncplane_printf_aligned(n, 3, NCALIGN_LEFT, " Q quit");
ncplane_printf_aligned(n, 3, NCALIGN_RIGHT, "restart Ctrl+R ");
ncplane_printf_aligned(n, 4, NCALIGN_LEFT, " H toggle HUD");
ncplane_printf_aligned(n, 4, NCALIGN_RIGHT, "toggle help Ctrl+U ");
ncplane_putstr_aligned(n, 7, NCALIGN_CENTER, "\u00a9 nick black <nickblack@linux.com>");
cell ul = CELL_TRIVIAL_INITIALIZER, ur = CELL_TRIVIAL_INITIALIZER;
cell lr = CELL_TRIVIAL_INITIALIZER, ll = CELL_TRIVIAL_INITIALIZER;
cell hl = CELL_TRIVIAL_INITIALIZER, vl = CELL_TRIVIAL_INITIALIZER;
if(cells_double_box(n, 0, 0, &ul, &ur, &ll, &lr, &hl, &vl) == 0){
if(ncplane_perimeter(n, &ul, &ur, &ll, &lr, &hl, &vl, 0) == 0){
cell_release(n, &ul); cell_release(n, &ur); cell_release(n, &hl);
cell_release(n, &ll); cell_release(n, &lr); cell_release(n, &vl);
about = n;
return;
}