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Render top CSD shadow

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This commit is contained in:
Kovid Goyal
2021-04-04 22:25:10 +05:30
parent 78908e5b93
commit ff420b6495
2 changed files with 42 additions and 21 deletions
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61
glfw/wl_client_side_decorations.c vendored
View File

@@ -114,26 +114,6 @@ alloc_buffer_pair(_GLFWWaylandBufferPair *pair, struct wl_shm_pool *pool, uint8_
pair->data.front = pair->data.a; pair->data.back = pair->data.b;
}
static void
render_title_bar(_GLFWwindow *window, bool to_front_buffer) {
const bool is_focused = window->id == _glfw.focusedWindowId;
uint32_t bg_color = is_focused ? active_bg_color : passive_bg_color;
uint8_t *output = to_front_buffer ? decs.top.buffer.data.front : decs.top.buffer.data.back;
if (window->wl.title && window->wl.title[0] && _glfw.callbacks.draw_text) {
uint32_t fg_color = is_focused ? 0xff444444 : 0xff888888;
if (_glfw.callbacks.draw_text((GLFWwindow*)window, window->wl.title, fg_color, bg_color, output, decs.top.buffer.width, decs.top.buffer.height, 0, 0, 0)) return;
}
for (uint32_t *px = (uint32_t*)output, *end = (uint32_t*)(output + decs.top.buffer.size_in_bytes); px < end; px++) {
*px = bg_color;
}
}
static void
update_title_bar(_GLFWwindow *window) {
render_title_bar(window, false);
swap_buffers(&decs.top.buffer);
}
#define st decs.shadow_tile
static size_t
create_shadow_tile(_GLFWwindow *window) {
@@ -151,6 +131,47 @@ create_shadow_tile(_GLFWwindow *window) {
return margin;
}
static void
render_title_bar(_GLFWwindow *window, bool to_front_buffer) {
const bool is_focused = window->id == _glfw.focusedWindowId;
uint32_t bg_color = is_focused ? active_bg_color : passive_bg_color;
uint8_t *output = to_front_buffer ? decs.top.buffer.data.front : decs.top.buffer.data.back;
// render shadow part
const size_t margin = create_shadow_tile(window);
const size_t edge_segment_size = st.corner_size - margin;
for (size_t y = 0; y < margin; y++) {
// left segment
uint32_t *s = st.data + y * st.stride + margin;
uint32_t *d = (uint32_t*)(output + y * decs.top.buffer.stride);
for (size_t x = 0; x < edge_segment_size; x++) d[x] = s[x];
// middle segment
s += edge_segment_size;
size_t limit = decs.top.buffer.width > edge_segment_size ? decs.top.buffer.width - edge_segment_size : 0;
for (size_t x = edge_segment_size, sx = 0; x < limit; x++, sx = (sx + 1) % margin) d[x] = s[sx];
// right segment
s += margin;
for (size_t x = limit; x < decs.top.buffer.width; x++, s++) d[x] = *s;
}
// render text part
output += decs.top.buffer.stride * decs.metrics.width;
if (window->wl.title && window->wl.title[0] && _glfw.callbacks.draw_text) {
uint32_t fg_color = is_focused ? 0xff444444 : 0xff888888;
if (_glfw.callbacks.draw_text((GLFWwindow*)window, window->wl.title, fg_color, bg_color, output, decs.top.buffer.width, decs.top.buffer.height - decs.metrics.width, 0, 0, 0)) return;
}
for (uint32_t *px = (uint32_t*)output, *end = (uint32_t*)(output + decs.top.buffer.size_in_bytes); px < end; px++) {
*px = bg_color;
}
}
static void
update_title_bar(_GLFWwindow *window) {
render_title_bar(window, false);
swap_buffers(&decs.top.buffer);
}
static void
render_edges(_GLFWwindow *window) {
const size_t margin = create_shadow_tile(window);

2
glfw/wl_window.c vendored
View File

@@ -708,7 +708,7 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
const _GLFWfbconfig* fbconfig)
{
window->wl.decorations.metrics.width = 12;
window->wl.decorations.metrics.top = 24;
window->wl.decorations.metrics.top = 36;
window->wl.decorations.metrics.horizontal = 2 * window->wl.decorations.metrics.width;
window->wl.decorations.metrics.vertical = window->wl.decorations.metrics.width + window->wl.decorations.metrics.top;
window->wl.transparent = fbconfig->transparent;