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Separate some functions

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This commit is contained in:
Nikita Zlobin 2020-05-20 21:10:45 +05:00
parent 6b6b63da17
commit 85ea8b8aa8
2 changed files with 47 additions and 30 deletions
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40
src/draw.c
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@ -388,6 +388,29 @@ static int layout_get_height(struct colored_layout *cl)
return MAX(h, h_icon);
}
/* Attempt to make internal radius more organic.
* Simple r-w is not enough for too small r/w ratio.
* simplifications: r/2 == r - w + w*w / (r * 2) with (w == r)
* r, w - corner radius & frame width,
* h - box height
*/
static int frame_internal_radius (int r, int w, int h)
{
// Integer precision scaler, using 1/4 of int size
const int s = 2 << (8 * sizeof(int) / 4);
int r1, r2, ret;
h *= s;
r *= s;
w *= s;
r1 = r - w + w * w / (r * 2); // w < r
r2 = r * h / (h + (w - r) * 2); // w >= r
ret = (r > w) ? r1 : (r / 2 < r2) ? r / 2 : r2;
return ret / s;
}
/**
* Create a path on the given cairo context to draw the background of a notification.
* The top corners will get rounded by `corner_radius`, if `first` is set.
@ -485,22 +508,7 @@ static cairo_surface_t *render_background(cairo_surface_t *srf,
else
height -= settings.separator_height;
/* Attempt to make internal radius more organic.
* Simple r-w is not enough for too small r/w ratio.
* simplifications: r/2 == r - w + w*w / (r * 2) with (w == r)
**/
{ const int s = 2 << (sizeof(int) * 8 / 4); // Integer precision scaler
int h, w, r, r1, r2;
h = s * height;
r = s * corner_radius;
w = s * settings.frame_width;
r1 = r - w + w * w / (r * 2); // w < r;
r2 = r * h / (h + (w - r) * 2); // w >= r
radius_int = (r > w) ? r1 : (r / 2 < r2) ? r / 2 : r2;
radius_int /= s;
}
radius_int = frame_internal_radius (corner_radius, settings.frame_width, height);
}
cairo_set_source_rgb(c, cl->bg.r, cl->bg.g, cl->bg.b);

37
src/x11/x.c
View File

@ -133,11 +133,31 @@ static void x_win_round_corners(struct window_x11 *win, const int rad)
win->xwin, ShapeNotifyMask);
}
void x_display_surface(cairo_surface_t *srf, struct window_x11 *win, const struct dimensions *dim)
static void x_win_corners_unshape(struct window_x11 *win)
{
XRectangle rect = {
.x = 0,
.y = 0,
.width = win->dim.w,
.height = win->dim.h };
XShapeCombineRectangles(xctx.dpy, win->xwin, ShapeBounding, 0, 0, &rect, 1, ShapeSet, 1);
XShapeSelectInput(xctx.dpy,
win->xwin, ShapeNotifyMask);
}
static bool x_win_composited(struct window_x11 *win)
{
char astr[sizeof("_NET_WM_CM_S") / sizeof(char) + 8];
Atom cm_sel;
sprintf(astr, "_NET_WM_CM_S%i", win->cur_screen);
cm_sel = XInternAtom(xctx.dpy, astr, true);
return XGetSelectionOwner(xctx.dpy, cm_sel) != None;
}
void x_display_surface(cairo_surface_t *srf, struct window_x11 *win, const struct dimensions *dim)
{
x_win_move(win, dim->x, dim->y, dim->w, dim->h);
cairo_xlib_surface_set_size(win->root_surface, dim->w, dim->h);
@ -148,21 +168,10 @@ void x_display_surface(cairo_surface_t *srf, struct window_x11 *win, const struc
cairo_paint(win->c_ctx);
cairo_show_page(win->c_ctx);
sprintf(astr, "_NET_WM_CM_S%i", win->cur_screen);
cm_sel = XInternAtom(xctx.dpy, astr, true);
if (settings.corner_radius != 0 && XGetSelectionOwner(xctx.dpy, cm_sel) == None)
x_win_round_corners(win, dim->corner_radius);
if (settings.corner_radius != 0 && ! x_win_composited(win))
else
{
XRectangle rect = {
.x = 0,
.y = 0,
.width = dim->w,
.height = dim->h };
XShapeCombineRectangles(xctx.dpy, win->xwin, ShapeBounding, 0, 0, &rect, 1, ShapeSet, 1);
XShapeSelectInput(xctx.dpy,
win->xwin, ShapeNotifyMask);
}
x_win_corners_unshape(win);
XFlush(xctx.dpy);