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css: Introduce a corner order enum

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Same order as CSS again.

The nice thing about this is that now edge i in a rounded box follows
corner i and is followed by corner (i + 1) % 4.
This commit is contained in:
Benjamin Otte 2012-01-07 22:40:17 +01:00
parent 998055c835
commit 34a62d779b
3 changed files with 124 additions and 122 deletions
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7
gtk/gtkcsstypesprivate.h
View File

@ -71,6 +71,13 @@ typedef enum /*< skip >*/ {
GTK_CSS_LEFT
} GtkCssSide;
typedef enum /*< skip >*/ {
GTK_CSS_TOP_LEFT,
GTK_CSS_TOP_RIGHT,
GTK_CSS_BOTTOM_RIGHT,
GTK_CSS_BOTTOM_LEFT
} GtkCssCorner;
typedef struct _GtkCssBorderCornerRadius GtkCssBorderCornerRadius;
typedef struct _GtkCssBorderImageRepeat GtkCssBorderImageRepeat;

234
gtk/gtkroundedbox.c
View File

@ -56,23 +56,23 @@ gtk_rounded_box_clamp_border_radius (GtkRoundedBox *box)
gdouble factor = 1.0;
/* note: division by zero leads to +INF, which is > factor, so will be ignored */
factor = MIN (factor, box->box.width / (box->top_left.horizontal +
box->top_right.horizontal));
factor = MIN (factor, box->box.height / (box->top_right.vertical +
box->bottom_right.vertical));
factor = MIN (factor, box->box.width / (box->bottom_right.horizontal +
box->bottom_left.horizontal));
factor = MIN (factor, box->box.height / (box->top_left.vertical +
box->bottom_left.vertical));
factor = MIN (factor, box->box.width / (box->corner[GTK_CSS_TOP_LEFT].horizontal +
box->corner[GTK_CSS_TOP_RIGHT].horizontal));
factor = MIN (factor, box->box.height / (box->corner[GTK_CSS_TOP_RIGHT].vertical +
box->corner[GTK_CSS_BOTTOM_RIGHT].vertical));
factor = MIN (factor, box->box.width / (box->corner[GTK_CSS_BOTTOM_RIGHT].horizontal +
box->corner[GTK_CSS_BOTTOM_LEFT].horizontal));
factor = MIN (factor, box->box.height / (box->corner[GTK_CSS_TOP_LEFT].vertical +
box->corner[GTK_CSS_BOTTOM_LEFT].vertical));
box->top_left.horizontal *= factor;
box->top_left.vertical *= factor;
box->top_right.horizontal *= factor;
box->top_right.vertical *= factor;
box->bottom_right.horizontal *= factor;
box->bottom_right.vertical *= factor;
box->bottom_left.horizontal *= factor;
box->bottom_left.vertical *= factor;
box->corner[GTK_CSS_TOP_LEFT].horizontal *= factor;
box->corner[GTK_CSS_TOP_LEFT].vertical *= factor;
box->corner[GTK_CSS_TOP_RIGHT].horizontal *= factor;
box->corner[GTK_CSS_TOP_RIGHT].vertical *= factor;
box->corner[GTK_CSS_BOTTOM_RIGHT].horizontal *= factor;
box->corner[GTK_CSS_BOTTOM_RIGHT].vertical *= factor;
box->corner[GTK_CSS_BOTTOM_LEFT].horizontal *= factor;
box->corner[GTK_CSS_BOTTOM_LEFT].vertical *= factor;
}
void
@ -81,33 +81,31 @@ _gtk_rounded_box_apply_border_radius (GtkRoundedBox *box,
GtkStateFlags state,
GtkJunctionSides junction)
{
GtkCssBorderCornerRadius *top_left_radius, *top_right_radius;
GtkCssBorderCornerRadius *bottom_left_radius, *bottom_right_radius;
GtkCssBorderCornerRadius *corner[4];
guint i;
gtk_theming_engine_get (engine, state,
/* Can't use border-radius as it's an int for
* backwards compat */
"border-top-left-radius", &top_left_radius,
"border-top-right-radius", &top_right_radius,
"border-bottom-right-radius", &bottom_right_radius,
"border-bottom-left-radius", &bottom_left_radius,
"border-top-left-radius", &corner[GTK_CSS_TOP_LEFT],
"border-top-right-radius", &corner[GTK_CSS_TOP_RIGHT],
"border-bottom-right-radius", &corner[GTK_CSS_BOTTOM_RIGHT],
"border-bottom-left-radius", &corner[GTK_CSS_BOTTOM_LEFT],
NULL);
if (top_left_radius && (junction & GTK_JUNCTION_CORNER_TOPLEFT) == 0)
box->top_left = *top_left_radius;
if (top_right_radius && (junction & GTK_JUNCTION_CORNER_TOPRIGHT) == 0)
box->top_right = *top_right_radius;
if (bottom_right_radius && (junction & GTK_JUNCTION_CORNER_BOTTOMRIGHT) == 0)
box->bottom_right = *bottom_right_radius;
if (bottom_left_radius && (junction & GTK_JUNCTION_CORNER_BOTTOMLEFT) == 0)
box->bottom_left = *bottom_left_radius;
if (corner[GTK_CSS_TOP_LEFT] && (junction & GTK_JUNCTION_CORNER_TOPLEFT) == 0)
box->corner[GTK_CSS_TOP_LEFT] = *corner[GTK_CSS_TOP_LEFT];
if (corner[GTK_CSS_TOP_RIGHT] && (junction & GTK_JUNCTION_CORNER_TOPRIGHT) == 0)
box->corner[GTK_CSS_TOP_RIGHT] = *corner[GTK_CSS_TOP_RIGHT];
if (corner[GTK_CSS_BOTTOM_RIGHT] && (junction & GTK_JUNCTION_CORNER_BOTTOMRIGHT) == 0)
box->corner[GTK_CSS_BOTTOM_RIGHT] = *corner[GTK_CSS_BOTTOM_RIGHT];
if (corner[GTK_CSS_BOTTOM_LEFT] && (junction & GTK_JUNCTION_CORNER_BOTTOMLEFT) == 0)
box->corner[GTK_CSS_BOTTOM_LEFT] = *corner[GTK_CSS_BOTTOM_LEFT];
gtk_rounded_box_clamp_border_radius (box);
g_free (top_left_radius);
g_free (top_right_radius);
g_free (bottom_right_radius);
g_free (bottom_left_radius);
for (i = 0; i < 4; i++)
g_free (corner[i]);
}
static void
@ -153,10 +151,10 @@ _gtk_rounded_box_grow (GtkRoundedBox *box,
box->box.height += top + bottom;
}
gtk_css_border_radius_grow (&box->top_left, left, top);
gtk_css_border_radius_grow (&box->top_right, right, bottom);
gtk_css_border_radius_grow (&box->bottom_right, right, top);
gtk_css_border_radius_grow (&box->bottom_left, left, bottom);
gtk_css_border_radius_grow (&box->corner[GTK_CSS_TOP_LEFT], left, top);
gtk_css_border_radius_grow (&box->corner[GTK_CSS_TOP_RIGHT], right, bottom);
gtk_css_border_radius_grow (&box->corner[GTK_CSS_BOTTOM_RIGHT], right, top);
gtk_css_border_radius_grow (&box->corner[GTK_CSS_BOTTOM_LEFT], left, bottom);
}
void
@ -223,28 +221,28 @@ _gtk_rounded_box_path (const GtkRoundedBox *box,
cairo_new_sub_path (cr);
_cairo_ellipsis (cr,
box->box.x + box->top_left.horizontal,
box->box.y + box->top_left.vertical,
box->top_left.horizontal,
box->top_left.vertical,
box->box.x + box->corner[GTK_CSS_TOP_LEFT].horizontal,
box->box.y + box->corner[GTK_CSS_TOP_LEFT].vertical,
box->corner[GTK_CSS_TOP_LEFT].horizontal,
box->corner[GTK_CSS_TOP_LEFT].vertical,
G_PI, 3 * G_PI / 2);
_cairo_ellipsis (cr,
box->box.x + box->box.width - box->top_right.horizontal,
box->box.y + box->top_right.vertical,
box->top_right.horizontal,
box->top_right.vertical,
box->box.x + box->box.width - box->corner[GTK_CSS_TOP_RIGHT].horizontal,
box->box.y + box->corner[GTK_CSS_TOP_RIGHT].vertical,
box->corner[GTK_CSS_TOP_RIGHT].horizontal,
box->corner[GTK_CSS_TOP_RIGHT].vertical,
- G_PI / 2, 0);
_cairo_ellipsis (cr,
box->box.x + box->box.width - box->bottom_right.horizontal,
box->box.y + box->box.height - box->bottom_right.vertical,
box->bottom_right.horizontal,
box->bottom_right.vertical,
box->box.x + box->box.width - box->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
box->box.y + box->box.height - box->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
box->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
box->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
0, G_PI / 2);
_cairo_ellipsis (cr,
box->box.x + box->bottom_left.horizontal,
box->box.y + box->box.height - box->bottom_left.vertical,
box->bottom_left.horizontal,
box->bottom_left.vertical,
box->box.x + box->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
box->box.y + box->box.height - box->corner[GTK_CSS_BOTTOM_LEFT].vertical,
box->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
box->corner[GTK_CSS_BOTTOM_LEFT].vertical,
G_PI / 2, G_PI);
}
@ -256,29 +254,29 @@ _gtk_rounded_box_path_top (const GtkRoundedBox *outer,
cairo_new_sub_path (cr);
_cairo_ellipsis (cr,
outer->box.x + outer->top_left.horizontal,
outer->box.y + outer->top_left.vertical,
outer->top_left.horizontal,
outer->top_left.vertical,
outer->box.x + outer->corner[GTK_CSS_TOP_LEFT].horizontal,
outer->box.y + outer->corner[GTK_CSS_TOP_LEFT].vertical,
outer->corner[GTK_CSS_TOP_LEFT].horizontal,
outer->corner[GTK_CSS_TOP_LEFT].vertical,
5 * G_PI / 4, 3 * G_PI / 2);
_cairo_ellipsis (cr,
outer->box.x + outer->box.width - outer->top_right.horizontal,
outer->box.y + outer->top_right.vertical,
outer->top_right.horizontal,
outer->top_right.vertical,
outer->box.x + outer->box.width - outer->corner[GTK_CSS_TOP_RIGHT].horizontal,
outer->box.y + outer->corner[GTK_CSS_TOP_RIGHT].vertical,
outer->corner[GTK_CSS_TOP_RIGHT].horizontal,
outer->corner[GTK_CSS_TOP_RIGHT].vertical,
- G_PI / 2, -G_PI / 4);
_cairo_ellipsis_negative (cr,
inner->box.x + inner->box.width - inner->top_right.horizontal,
inner->box.y + inner->top_right.vertical,
inner->top_right.horizontal,
inner->top_right.vertical,
inner->box.x + inner->box.width - inner->corner[GTK_CSS_TOP_RIGHT].horizontal,
inner->box.y + inner->corner[GTK_CSS_TOP_RIGHT].vertical,
inner->corner[GTK_CSS_TOP_RIGHT].horizontal,
inner->corner[GTK_CSS_TOP_RIGHT].vertical,
-G_PI / 4, - G_PI / 2);
_cairo_ellipsis_negative (cr,
inner->box.x + inner->top_left.horizontal,
inner->box.y + inner->top_left.vertical,
inner->top_left.horizontal,
inner->top_left.vertical,
inner->box.x + inner->corner[GTK_CSS_TOP_LEFT].horizontal,
inner->box.y + inner->corner[GTK_CSS_TOP_LEFT].vertical,
inner->corner[GTK_CSS_TOP_LEFT].horizontal,
inner->corner[GTK_CSS_TOP_LEFT].vertical,
3 * G_PI / 2, 5 * G_PI / 4);
cairo_close_path (cr);
@ -292,29 +290,29 @@ _gtk_rounded_box_path_right (const GtkRoundedBox *outer,
cairo_new_sub_path (cr);
_cairo_ellipsis (cr,
outer->box.x + outer->box.width - outer->top_right.horizontal,
outer->box.y + outer->top_right.vertical,
outer->top_right.horizontal,
outer->top_right.vertical,
outer->box.x + outer->box.width - outer->corner[GTK_CSS_TOP_RIGHT].horizontal,
outer->box.y + outer->corner[GTK_CSS_TOP_RIGHT].vertical,
outer->corner[GTK_CSS_TOP_RIGHT].horizontal,
outer->corner[GTK_CSS_TOP_RIGHT].vertical,
- G_PI / 4, 0);
_cairo_ellipsis (cr,
outer->box.x + outer->box.width - outer->bottom_right.horizontal,
outer->box.y + outer->box.height - outer->bottom_right.vertical,
outer->bottom_right.horizontal,
outer->bottom_right.vertical,
outer->box.x + outer->box.width - outer->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
outer->box.y + outer->box.height - outer->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
outer->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
outer->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
0, G_PI / 4);
_cairo_ellipsis_negative (cr,
inner->box.x + inner->box.width - inner->bottom_right.horizontal,
inner->box.y + inner->box.height - inner->bottom_right.vertical,
inner->bottom_right.horizontal,
inner->bottom_right.vertical,
inner->box.x + inner->box.width - inner->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
inner->box.y + inner->box.height - inner->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
inner->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
inner->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
G_PI / 4, 0);
_cairo_ellipsis_negative (cr,
inner->box.x + inner->box.width - inner->top_right.horizontal,
inner->box.y + inner->top_right.vertical,
inner->top_right.horizontal,
inner->top_right.vertical,
inner->box.x + inner->box.width - inner->corner[GTK_CSS_TOP_RIGHT].horizontal,
inner->box.y + inner->corner[GTK_CSS_TOP_RIGHT].vertical,
inner->corner[GTK_CSS_TOP_RIGHT].horizontal,
inner->corner[GTK_CSS_TOP_RIGHT].vertical,
0, - G_PI / 4);
cairo_close_path (cr);
@ -328,29 +326,29 @@ _gtk_rounded_box_path_bottom (const GtkRoundedBox *outer,
cairo_new_sub_path (cr);
_cairo_ellipsis (cr,
outer->box.x + outer->box.width - outer->bottom_right.horizontal,
outer->box.y + outer->box.height - outer->bottom_right.vertical,
outer->bottom_right.horizontal,
outer->bottom_right.vertical,
outer->box.x + outer->box.width - outer->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
outer->box.y + outer->box.height - outer->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
outer->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
outer->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
G_PI / 4, G_PI / 2);
_cairo_ellipsis (cr,
outer->box.x + outer->bottom_left.horizontal,
outer->box.y + outer->box.height - outer->bottom_left.vertical,
outer->bottom_left.horizontal,
outer->bottom_left.vertical,
outer->box.x + outer->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
outer->box.y + outer->box.height - outer->corner[GTK_CSS_BOTTOM_LEFT].vertical,
outer->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
outer->corner[GTK_CSS_BOTTOM_LEFT].vertical,
G_PI / 2, 3 * G_PI / 4);
_cairo_ellipsis_negative (cr,
inner->box.x + inner->bottom_left.horizontal,
inner->box.y + inner->box.height - inner->bottom_left.vertical,
inner->bottom_left.horizontal,
inner->bottom_left.vertical,
inner->box.x + inner->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
inner->box.y + inner->box.height - inner->corner[GTK_CSS_BOTTOM_LEFT].vertical,
inner->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
inner->corner[GTK_CSS_BOTTOM_LEFT].vertical,
3 * G_PI / 4, G_PI / 2);
_cairo_ellipsis_negative (cr,
inner->box.x + inner->box.width - inner->bottom_right.horizontal,
inner->box.y + inner->box.height - inner->bottom_right.vertical,
inner->bottom_right.horizontal,
inner->bottom_right.vertical,
inner->box.x + inner->box.width - inner->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
inner->box.y + inner->box.height - inner->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
inner->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
inner->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
G_PI / 2, G_PI / 4);
cairo_close_path (cr);
@ -364,29 +362,29 @@ _gtk_rounded_box_path_left (const GtkRoundedBox *outer,
cairo_new_sub_path (cr);
_cairo_ellipsis (cr,
outer->box.x + outer->bottom_left.horizontal,
outer->box.y + outer->box.height - outer->bottom_left.vertical,
outer->bottom_left.horizontal,
outer->bottom_left.vertical,
outer->box.x + outer->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
outer->box.y + outer->box.height - outer->corner[GTK_CSS_BOTTOM_LEFT].vertical,
outer->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
outer->corner[GTK_CSS_BOTTOM_LEFT].vertical,
3 * G_PI / 4, G_PI);
_cairo_ellipsis (cr,
outer->box.x + outer->top_left.horizontal,
outer->box.y + outer->top_left.vertical,
outer->top_left.horizontal,
outer->top_left.vertical,
outer->box.x + outer->corner[GTK_CSS_TOP_LEFT].horizontal,
outer->box.y + outer->corner[GTK_CSS_TOP_LEFT].vertical,
outer->corner[GTK_CSS_TOP_LEFT].horizontal,
outer->corner[GTK_CSS_TOP_LEFT].vertical,
G_PI, 5 * G_PI / 4);
_cairo_ellipsis_negative (cr,
inner->box.x + inner->top_left.horizontal,
inner->box.y + inner->top_left.vertical,
inner->top_left.horizontal,
inner->top_left.vertical,
inner->box.x + inner->corner[GTK_CSS_TOP_LEFT].horizontal,
inner->box.y + inner->corner[GTK_CSS_TOP_LEFT].vertical,
inner->corner[GTK_CSS_TOP_LEFT].horizontal,
inner->corner[GTK_CSS_TOP_LEFT].vertical,
5 * G_PI / 4, G_PI);
_cairo_ellipsis_negative (cr,
inner->box.x + inner->bottom_left.horizontal,
inner->box.y + inner->box.height - inner->bottom_left.vertical,
inner->bottom_left.horizontal,
inner->bottom_left.vertical,
inner->box.x + inner->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
inner->box.y + inner->box.height - inner->corner[GTK_CSS_BOTTOM_LEFT].vertical,
inner->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
inner->corner[GTK_CSS_BOTTOM_LEFT].vertical,
G_PI, 3 * G_PI / 4);
cairo_close_path (cr);

5
gtk/gtkroundedboxprivate.h
View File

@ -34,10 +34,7 @@ typedef struct _GtkRoundedBox GtkRoundedBox;
struct _GtkRoundedBox {
/*< private >*/
cairo_rectangle_t box;
GtkCssBorderCornerRadius top_left;
GtkCssBorderCornerRadius top_right;
GtkCssBorderCornerRadius bottom_right;
GtkCssBorderCornerRadius bottom_left;
GtkCssBorderCornerRadius corner[4];
};
void _gtk_rounded_box_init_rect (GtkRoundedBox *box,