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wayland: match X11 cascade arrow style with 3D shaded lines 

Replace the filled triangle with three lines matching the upstream X11
implementation: a dim top edge, light bottom edge, and dark left edge,
forming a 3D right-pointing triangle indicator for submenu entries.
This commit is contained in:
Window Maker 2026-05-25 12:59:35 +02:00
parent 95c4101ed3
commit 40295223c6
1 changed files with 26 additions and 6 deletions
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32
src/backend/wayland/wl_backend.c
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@ -9394,13 +9394,33 @@ static void wl_menu_paint_entry(WMenu *menu, int index, int selected)
w - 8 - tw, text_y, entry->rtext, strlen(entry->rtext));
}
/* Draw cascade arrow for submenus (right-pointing triangle) */
/* Draw cascade arrow for submenus (3D right-pointing triangle matching X11) */
if (entry->cascade >= 0) {
int ay = y + h / 2;
for (int i = 0; i < 5; i++)
for (int j = -(4 - i); j <= (4 - i); j++)
if (w - 12 + i < w && ay + j >= 0 && ay + j < fb->height)
dst[(ay + j) * stride + (w - 12 + i)] = selected ? 0xFFFFFFFF : 0xFF000000;
uint32_t dim_c = 0xFF606060;
uint32_t light_c = 0xFFE0E0E0;
uint32_t dark_c = 0xFF303030;
/* Top edge: dim line from (w-11, y+6) to (w-6, y+h/2-1) */
int x0 = w - 11, y0 = y + 6, x1 = w - 6, y1 = y + h / 2 - 1;
for (int i = 0; i <= 5; i++) {
int lx = x0 + i * (x1 - x0) / 5;
int ly = y0 + i * (y1 - y0) / 5;
if (lx >= 0 && lx < (int)fb->width && ly >= 0 && ly < fb->height)
dst[ly * stride + lx] = dim_c;
}
/* Bottom edge: light line from (w-11, y+h-8) to (w-6, y+h/2-1) */
y0 = y + h - 8;
for (int i = 0; i <= 5; i++) {
int lx = x0 + i * (x1 - x0) / 5;
int ly = y0 + i * (y1 - y0) / 5;
if (lx >= 0 && lx < (int)fb->width && ly >= 0 && ly < fb->height)
dst[ly * stride + lx] = light_c;
}
/* Left edge: dark vertical line at w-12 from y+6 to y+h-8 */
int lx = w - 12;
if (lx >= 0 && lx < (int)fb->width)
for (int ly = y + 6; ly <= y + h - 8 && ly < fb->height; ly++)
if (ly >= 0)
dst[ly * stride + lx] = dark_c;
}
/* Bevel lines (separators between entries) */