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style: Convert draw_spinner vfunc to Cairo version

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This commit is contained in:
Benjamin Otte 2010-08-16 15:09:50 +02:00
parent 81f15cf908
commit be1d190b2e
2 changed files with 73 additions and 26 deletions
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63
gtk/gtkstyle.c
View File

@ -294,9 +294,8 @@ static void gtk_default_draw_resize_grip (GtkStyle *style,
gint width, gint width,
gint height); gint height);
static void gtk_default_draw_spinner (GtkStyle *style, static void gtk_default_draw_spinner (GtkStyle *style,
GdkWindow *window, cairo_t *cr,
GtkStateType state_type, GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget, GtkWidget *widget,
const gchar *detail, const gchar *detail,
guint step, guint step,
@ -4269,9 +4268,8 @@ gtk_default_draw_resize_grip (GtkStyle *style,
static void static void
gtk_default_draw_spinner (GtkStyle *style, gtk_default_draw_spinner (GtkStyle *style,
GdkWindow *window, cairo_t *cr,
GtkStateType state_type, GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget, GtkWidget *widget,
const gchar *detail, const gchar *detail,
guint step, guint step,
@ -4281,7 +4279,6 @@ gtk_default_draw_spinner (GtkStyle *style,
gint height) gint height)
{ {
GdkColor *color; GdkColor *color;
cairo_t *cr;
guint num_steps; guint num_steps;
gdouble dx, dy; gdouble dx, dy;
gdouble radius; gdouble radius;
@ -4294,9 +4291,6 @@ gtk_default_draw_spinner (GtkStyle *style,
NULL); NULL);
real_step = step % num_steps; real_step = step % num_steps;
/* get cairo context */
cr = gdk_cairo_create (window);
/* set a clip region for the expose event */ /* set a clip region for the expose event */
cairo_rectangle (cr, x, y, width, height); cairo_rectangle (cr, x, y, width, height);
cairo_clip (cr); cairo_clip (cr);
@ -4339,9 +4333,6 @@ gtk_default_draw_spinner (GtkStyle *style,
cairo_restore (cr); cairo_restore (cr);
} }
/* free memory */
cairo_destroy (cr);
} }
void void
@ -6299,13 +6290,59 @@ gtk_paint_spinner (GtkStyle *style,
gint width, gint width,
gint height) gint height)
{ {
cairo_t *cr;
g_return_if_fail (GTK_IS_STYLE (style)); g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_spinner != NULL); g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_spinner != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window)); g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_spinner (style, window, state_type, cr = gtk_style_cairo_create (window, area);
(GdkRectangle *)area, widget, detail,
gtk_cairo_paint_spinner (style, cr, state_type,
widget, detail,
step, x, y, width, height);
cairo_destroy (cr);
}
/**
* gtk_cairo_paint_spinner:
* @style: a #GtkStyle
* @cr: a #cairo_t
* @state_type: a state
* @widget: (allow-none): the widget (may be %NULL)
* @detail: (allow-none): a style detail (may be %NULL)
* @step: the nth step, a value between 0 and #GtkSpinner:num-steps
* @x: the x origin of the rectangle in which to draw the spinner
* @y: the y origin of the rectangle in which to draw the spinner
* @width: the width of the rectangle in which to draw the spinner
* @height: the height of the rectangle in which to draw the spinner
*
* Draws a spinner on @window using the given parameters.
*/
void
gtk_cairo_paint_spinner (GtkStyle *style,
cairo_t *cr,
GtkStateType state_type,
GtkWidget *widget,
const gchar *detail,
guint step,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (cr != NULL);
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_spinner != NULL);
cairo_save (cr);
GTK_STYLE_GET_CLASS (style)->draw_spinner (style, cr, state_type,
widget, detail,
step, x, y, width, height); step, x, y, width, height);
cairo_restore (cr);
} }
/** /**

36
gtk/gtkstyle.h
View File

@ -360,9 +360,8 @@ struct _GtkStyleClass
gint width, gint width,
gint height); gint height);
void (*draw_spinner) (GtkStyle *style, void (*draw_spinner) (GtkStyle *style,
GdkWindow *window, cairo_t *cr,
GtkStateType state_type, GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget, GtkWidget *widget,
const gchar *detail, const gchar *detail,
guint step, guint step,
@ -840,17 +839,28 @@ void gtk_cairo_paint_resize_grip (GtkStyle *style,
gint y, gint y,
gint width, gint width,
gint height); gint height);
void gtk_paint_spinner (GtkStyle *style, void gtk_paint_spinner (GtkStyle *style,
GdkWindow *window, GdkWindow *window,
GtkStateType state_type, GtkStateType state_type,
const GdkRectangle *area, const GdkRectangle *area,
GtkWidget *widget, GtkWidget *widget,
const gchar *detail, const gchar *detail,
guint step, guint step,
gint x, gint x,
gint y, gint y,
gint width, gint width,
gint height); gint height);
void gtk_cairo_paint_spinner (GtkStyle *style,
cairo_t *cr,
GtkStateType state_type,
GtkWidget *widget,
const gchar *detail,
guint step,
gint x,
gint y,
gint width,
gint height);
GType gtk_border_get_type (void) G_GNUC_CONST; GType gtk_border_get_type (void) G_GNUC_CONST;
GtkBorder *gtk_border_new (void) G_GNUC_MALLOC; GtkBorder *gtk_border_new (void) G_GNUC_MALLOC;