Add basic rounding

There's probably a better way of doing this, But this will do for now.

Added basic rounding to buttons.

Signed-off-by: Maarten van Gompel <proycon@anaproy.nl>

config.def.h

@@ -13,6 +13,7 @@ struct clr_scheme schemes[] = {
   .swipe = {.bgra = {100, 255, 100, 64}},
   .text = {.color = UINT32_MAX},
   .font = DEFAULT_FONT,
+  .rounding = 5,
 },
 {
   /* colors */
@@ -22,6 +23,7 @@ struct clr_scheme schemes[] = {
   .swipe = {.bgra = {100, 255, 100, 64}},
   .text = {.color = UINT32_MAX},
   .font = DEFAULT_FONT,
+  .rounding = 5,
 }
 };
 

drw.c

@@ -71,7 +71,7 @@ drw_do_clear(struct drwsurf *d, uint32_t x, uint32_t y, uint32_t w, uint32_t h)
 
 void
 drw_do_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
-                 uint32_t w, uint32_t h, bool over)
+                 uint32_t w, uint32_t h, bool over, int rounding)
 {
     cairo_save(d->cairo);
 
@@ -81,27 +81,48 @@ drw_do_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
         cairo_set_operator(d->cairo, CAIRO_OPERATOR_SOURCE);
     }
 
-    cairo_rectangle(d->cairo, x, y, w, h);
+    if (rounding > 0) {
-    cairo_set_source_rgba(
+        double radius = rounding / 1.0;
-        d->cairo, color.bgra[2] / (double)255, color.bgra[1] / (double)255,
+        double degrees = M_PI / 180.0;
-        color.bgra[0] / (double)255, color.bgra[3] / (double)255);
-    cairo_fill(d->cairo);
 
-    cairo_restore(d->cairo);
+        cairo_new_sub_path (d->cairo);
+        cairo_arc (d->cairo, x + w - radius, y + radius, radius, -90 * degrees, 0 * degrees);
+        cairo_arc (d->cairo, x + w - radius, y + h - radius, radius, 0 * degrees, 90 * degrees);
+        cairo_arc (d->cairo, x + radius, y + h - radius, radius, 90 * degrees, 180 * degrees);
+        cairo_arc (d->cairo, x + radius, y + radius, radius, 180 * degrees, 270 * degrees);
+        cairo_close_path (d->cairo);
+
+        cairo_set_source_rgba(
+          d->cairo, color.bgra[2] / (double)255, color.bgra[1] / (double)255, 
+          color.bgra[0] / (double)255, color.bgra[3] / (double)255);
+        cairo_fill (d->cairo);
+        cairo_set_source_rgba(d->cairo, 0, 0, 0, 0.9);
+        cairo_set_line_width(d->cairo, 1.0);
+        cairo_stroke(d->cairo);
+    }
+    else {
+        cairo_rectangle(d->cairo, x, y, w, h);
+        cairo_set_source_rgba(
+            d->cairo, color.bgra[2] / (double)255, color.bgra[1] / (double)255,
+            color.bgra[0] / (double)255, color.bgra[3] / (double)255);
+        cairo_fill(d->cairo);
+
+        cairo_restore(d->cairo);
+    }
 }
 
 void
 drw_fill_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
-                   uint32_t w, uint32_t h)
+                   uint32_t w, uint32_t h, int rounding)
 {
-    drw_do_rectangle(d, color, x, y, w, h, false);
+    drw_do_rectangle(d, color, x, y, w, h, false, rounding);
 }
 
 void
 drw_over_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
-                   uint32_t w, uint32_t h)
+                   uint32_t w, uint32_t h, int rounding)
 {
-    drw_do_rectangle(d, color, x, y, w, h, true);
+    drw_do_rectangle(d, color, x, y, w, h, true, rounding);
 }
 
 uint32_t

drw.h

@@ -33,11 +33,11 @@ typedef union {
 void drw_do_clear(struct drwsurf *d, uint32_t x, uint32_t y,
                       uint32_t w, uint32_t h);
 void drw_do_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
-                      uint32_t w, uint32_t h, bool fill);
+                      uint32_t w, uint32_t h, bool fill, int rounding);
 void drw_fill_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
-                        uint32_t w, uint32_t h);
+                        uint32_t w, uint32_t h, int rounding);
 void drw_over_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
-                        uint32_t w, uint32_t h);
+                        uint32_t w, uint32_t h, int rounding);
 
 void drw_draw_text(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
                    uint32_t w, uint32_t h, uint32_t b, const char *label,

keyboard.c

@@ -561,15 +561,15 @@ kbd_draw_key(struct kbd *kb, struct key *k, enum key_draw_type type)
     case None:
     case Unpress:
         draw_inset(kb->surf, k->x, k->y, k->w, k->h, KBD_KEY_BORDER,
-                   scheme->fg);
+                   scheme->fg, scheme->rounding);
         break;
     case Press:
         draw_inset(kb->surf, k->x, k->y, k->w, k->h, KBD_KEY_BORDER,
-                   scheme->high);
+                   scheme->high, scheme->rounding);
         break;
     case Swipe:
         draw_over_inset(kb->surf, k->x, k->y, k->w, k->h, KBD_KEY_BORDER,
-                        scheme->swipe);
+                        scheme->swipe, scheme->rounding);
         break;
     }
 
@@ -586,9 +586,9 @@ kbd_draw_key(struct kbd *kb, struct key *k, enum key_draw_type type)
         kb->last_popup_h = k->h;
 
         drw_fill_rectangle(kb->popup_surf, scheme->bg, k->x,
-                           kb->last_popup_y, k->w, k->h);
+                           kb->last_popup_y, k->w, k->h, scheme->rounding);
         draw_inset(kb->popup_surf, k->x, kb->last_popup_y, k->w, k->h,
-                   KBD_KEY_BORDER, scheme->high);
+                   KBD_KEY_BORDER, scheme->high, scheme->rounding);
         drw_draw_text(kb->popup_surf, scheme->text, k->x, kb->last_popup_y,
                       k->w, k->h, KBD_KEY_BORDER, label,
                       scheme->font_description);
@@ -605,7 +605,7 @@ kbd_draw_layout(struct kbd *kb)
     if (kb->debug)
         fprintf(stderr, "Draw layout\n");
 
-    drw_fill_rectangle(d, kb->schemes[0].bg, 0, 0, kb->w, kb->h);
+    drw_fill_rectangle(d, kb->schemes[0].bg, 0, 0, kb->w, kb->h, 0);
 
     while (next_key->type != Last) {
         if ((next_key->type == Pad) || (next_key->type == EndRow)) {
@@ -647,17 +647,17 @@ kbd_resize(struct kbd *kb, struct layout *layouts, uint8_t layoutcount)
 
 void
 draw_inset(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t width,
-           uint32_t height, uint32_t border, Color color)
+           uint32_t height, uint32_t border, Color color, int rounding)
 {
     drw_fill_rectangle(ds, color, x + border, y + border, width - (border * 2),
-                       height - (border * 2));
+                       height - (border * 2), rounding);
 }
 void
 draw_over_inset(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t width,
-                uint32_t height, uint32_t border, Color color)
+                uint32_t height, uint32_t border, Color color, int rounding)
 {
     drw_over_rectangle(ds, color, x + border, y + border, width - (border * 2),
-                       height - (border * 2));
+                       height - (border * 2), rounding);
 }
 
 void

keyboard.h

@@ -55,6 +55,7 @@ struct clr_scheme {
 	Color swipe;
 	Color text;
 	char *font;
+	int rounding;
 	PangoFontDescription *font_description;
 };
 
@@ -121,9 +122,9 @@ struct kbd {
 };
 
 void draw_inset(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t width,
-                uint32_t height, uint32_t border, Color color);
+                uint32_t height, uint32_t border, Color color, int rounding);
 void draw_over_inset(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t width,
-                     uint32_t height, uint32_t border, Color color);
+                     uint32_t height, uint32_t border, Color color, int rounding);
 
 void kbd_init(struct kbd *kb, struct layout *layouts,
               char *layer_names_list, char *landscape_layer_names_list);