diff options
author | Benjamin Otte <otte@redhat.com> | 2010-10-15 17:50:18 +0800 |
---|---|---|
committer | Matthew Barnes <mbarnes@redhat.com> | 2010-10-30 01:50:00 +0800 |
commit | 3fb0c763eb870c757b4c0b589ffde32cf03e8e05 (patch) | |
tree | cba438d621a50b8bff492d18b79142ecbd48b144 /widgets | |
parent | 32c321ec65ab4feee63a4e8d8171c360febb250b (diff) | |
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e-canvas: Simplify ECanvasBackground
It's used without specifying a clip rectangle every time, so remove that
property. Also do all drawing with Cairo.
Diffstat (limited to 'widgets')
-rw-r--r-- | widgets/misc/e-canvas-background.c | 260 |
1 files changed, 17 insertions, 243 deletions
diff --git a/widgets/misc/e-canvas-background.c b/widgets/misc/e-canvas-background.c index b2be246f21..9fe59f6feb 100644 --- a/widgets/misc/e-canvas-background.c +++ b/widgets/misc/e-canvas-background.c @@ -50,14 +50,6 @@ G_DEFINE_TYPE ( struct _ECanvasBackgroundPrivate { guint rgba; /* Fill color, RGBA */ - GdkColor color; /* Fill color */ - GdkGC *gc; /* GC for filling */ - gdouble x1; - gdouble x2; - gdouble y1; - gdouble y2; - - guint needs_redraw : 1; }; enum { @@ -72,89 +64,15 @@ enum { PROP_FILL_COLOR, PROP_FILL_COLOR_GDK, PROP_FILL_COLOR_RGBA, - PROP_X1, - PROP_X2, - PROP_Y1, - PROP_Y2 }; static void -get_color (ECanvasBackground *ecb) -{ - GnomeCanvasItem *item = GNOME_CANVAS_ITEM (ecb); - ecb->priv->color.pixel = gnome_canvas_get_color_pixel (item->canvas, - GNOME_CANVAS_COLOR (ecb->priv->color.red >> 8, - ecb->priv->color.green>> 8, - ecb->priv->color.blue>> 8)); -} - -static void ecb_bounds (GnomeCanvasItem *item, gdouble *x1, gdouble *y1, gdouble *x2, gdouble *y2) { - gdouble i2c[6]; - ArtPoint c1, c2, i1, i2; - ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item); - - /* Wrong BBox's are the source of redraw nightmares */ - - gnome_canvas_item_i2c_affine (GNOME_CANVAS_ITEM (ecb), i2c); - - i1.x = ecb->priv->x1; - i1.y = ecb->priv->y1; - i2.x = ecb->priv->x2; - i2.y = ecb->priv->y2; - art_affine_point (&c1, &i1, i2c); - art_affine_point (&c2, &i2, i2c); - - if (ecb->priv->x1 < 0) - c1.x = -(gdouble)UINT_MAX; - - if (ecb->priv->y1 < 0) - c1.y = -(gdouble)UINT_MAX; - - if (ecb->priv->x2 < 0) - c2.x = (gdouble)UINT_MAX; - - if (ecb->priv->y2 < 0) - c2.y = (gdouble)UINT_MAX; - - *x1 = c1.x; - *y1 = c1.y; - *x2 = c2.x + 1; - *y2 = c2.y + 1; -} - -/* - * GnomeCanvasItem::update method - */ -static void -ecb_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags) -{ - ArtPoint o1, o2; - ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item); - - if (GNOME_CANVAS_ITEM_CLASS (ecb_parent_class)->update) - GNOME_CANVAS_ITEM_CLASS (ecb_parent_class)->update (item, affine, clip_path, flags); - - o1.x = item->x1; - o1.y = item->y1; - o2.x = item->x2; - o2.y = item->y2; - - ecb_bounds (item, &item->x1, &item->y1, &item->x2, &item->y2); - if (item->x1 != o1.x || - item->y1 != o1.y || - item->x2 != o2.x || - item->y2 != o2.y) { - gnome_canvas_request_redraw (item->canvas, o1.x, o1.y, o2.x, o2.y); - ecb->priv->needs_redraw = 1; - } - - if (ecb->priv->needs_redraw) { - gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, - item->x2, item->y2); - ecb->priv->needs_redraw = 0; - } + *x1 = -G_MAXDOUBLE; + *y1 = -G_MAXDOUBLE; + *x2 = G_MAXDOUBLE; + *y2 = G_MAXDOUBLE; } static void @@ -214,36 +132,11 @@ ecb_set_property (GObject *object, case PROP_FILL_COLOR_RGBA: ecb->priv->rgba = g_value_get_uint (value); - color.red = ((ecb->priv->rgba >> 24) & 0xff) * 0x101; - color.green = ((ecb->priv->rgba >> 16) & 0xff) * 0x101; - color.blue = ((ecb->priv->rgba >> 8) & 0xff) * 0x101; color_changed = TRUE; break; - case PROP_X1: - ecb->priv->x1 = g_value_get_double (value); - break; - case PROP_X2: - ecb->priv->x2 = g_value_get_double (value); - break; - case PROP_Y1: - ecb->priv->y1 = g_value_get_double (value); - break; - case PROP_Y2: - ecb->priv->y2 = g_value_get_double (value); - break; - } - - if (color_changed) { - ecb->priv->color = color; - - if (item->flags & GNOME_CANVAS_ITEM_REALIZED) { - get_color (ecb); - gdk_gc_set_foreground (ecb->priv->gc, &ecb->priv->color); - } } - ecb->priv->needs_redraw = 1; gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (ecb)); } @@ -258,24 +151,9 @@ ecb_get_property (GObject *object, ecb = E_CANVAS_BACKGROUND (object); switch (prop_id) { - case PROP_FILL_COLOR_GDK: - g_value_set_boxed (value, gdk_color_copy (&ecb->priv->color)); - break; case PROP_FILL_COLOR_RGBA: g_value_set_uint (value, ecb->priv->rgba); break; - case PROP_X1: - g_value_set_double (value, ecb->priv->x1); - break; - case PROP_X2: - g_value_set_double (value, ecb->priv->x2); - break; - case PROP_Y1: - g_value_set_double (value, ecb->priv->y1); - break; - case PROP_Y2: - g_value_set_double (value, ecb->priv->y2); - break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; @@ -286,47 +164,6 @@ static void ecb_init (ECanvasBackground *ecb) { ecb->priv = g_new (ECanvasBackgroundPrivate, 1); - - ecb->priv->color.pixel = 0; - ecb->priv->color.red = 0; - ecb->priv->color.green = 0; - ecb->priv->color.blue = 0; - ecb->priv->gc = NULL; - ecb->priv->x1 = -1.0; - ecb->priv->x2 = -1.0; - ecb->priv->y1 = -1.0; - ecb->priv->y2 = -1.0; -} - -static void -ecb_realize (GnomeCanvasItem *item) -{ - ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item); - GdkWindow *bin_window; - - if (GNOME_CANVAS_ITEM_CLASS (ecb_parent_class)->realize) - GNOME_CANVAS_ITEM_CLASS (ecb_parent_class)->realize (item); - - bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (item->canvas)); - - ecb->priv->gc = gdk_gc_new (bin_window); - get_color (ecb); - gdk_gc_set_foreground (ecb->priv->gc, &ecb->priv->color); - - ecb->priv->needs_redraw = 1; - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (ecb)); -} - -static void -ecb_unrealize (GnomeCanvasItem *item) -{ - ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item); - - g_object_unref (ecb->priv->gc); - ecb->priv->gc = NULL; - - if (GNOME_CANVAS_ITEM_CLASS (ecb_parent_class)->unrealize) - GNOME_CANVAS_ITEM_CLASS (ecb_parent_class)->unrealize (item); } static void @@ -338,53 +175,21 @@ ecb_draw (GnomeCanvasItem *item, gint height) { ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item); - gint x1, x2, y1, y2; - gdouble i2c[6]; - ArtPoint upper_left, lower_right, ecb_base_point; - - /* - * Find out our real position after grouping - */ - gnome_canvas_item_i2c_affine (item, i2c); - ecb_base_point.x = ecb->priv->x1; - ecb_base_point.y = ecb->priv->y1; - art_affine_point (&upper_left, &ecb_base_point, i2c); - - ecb_base_point.x = ecb->priv->x2; - ecb_base_point.y = ecb->priv->y2; - art_affine_point (&lower_right, &ecb_base_point, i2c); - - x1 = 0; - y1 = 0; - x2 = width; - y2 = height; - if (ecb->priv->x1 >= 0 && upper_left.x > x1) - x1 = upper_left.x; - if (ecb->priv->y1 >= 0 && upper_left.y > y1) - y1 = upper_left.y; - if (ecb->priv->x2 >= 0 && lower_right.x < x2) - x2 = lower_right.x; - if (ecb->priv->y2 >= 0 && lower_right.y < y2) - y2 = lower_right.y; - - gdk_draw_rectangle (drawable, ecb->priv->gc, TRUE, - x1, y1, x2 - x1, y2 - y1); + cairo_t *cr; + + cr = gdk_cairo_create (drawable); + cairo_set_source_rgba (cr, + ((ecb->priv->rgba >> 24) & 0xff) / 255.0, + ((ecb->priv->rgba >> 16) & 0xff) / 255.0, + ((ecb->priv->rgba >> 8) & 0xff) / 255.0, + ( ecb->priv->rgba & 0xff) / 255.0); + cairo_paint (cr); + cairo_destroy (cr); } static GnomeCanvasItem * ecb_point (GnomeCanvasItem *item, gdouble x, gdouble y, gint cx, gint cy) { - ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item); - - if (ecb->priv->x1 >= 0 && ecb->priv->x1 > x) - return NULL; - if (ecb->priv->x2 >= 0 && ecb->priv->x2 < x) - return NULL; - if (ecb->priv->y1 >= 0 && ecb->priv->y1 > y) - return NULL; - if (ecb->priv->y2 >= 0 && ecb->priv->y2 < y) - return NULL; - return item; } @@ -398,8 +203,6 @@ ecb_style_set (ECanvasBackground *ecb, style = gtk_widget_get_style (GTK_WIDGET (item->canvas)); if (gtk_widget_get_realized (GTK_WIDGET (item->canvas))) { - gdk_gc_set_foreground ( - ecb->priv->gc, &style->base[GTK_STATE_NORMAL]); gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (ecb)); } } @@ -414,11 +217,9 @@ ecb_class_init (ECanvasBackgroundClass *ecb_class) object_class->set_property = ecb_set_property; object_class->get_property = ecb_get_property; - item_class->update = ecb_update; - item_class->realize = ecb_realize; - item_class->unrealize = ecb_unrealize; item_class->draw = ecb_draw; item_class->point = ecb_point; + item_class->bounds = ecb_bounds; ecb_class->style_set = ecb_style_set; @@ -427,14 +228,14 @@ ecb_class_init (ECanvasBackgroundClass *ecb_class) "Fill color", "Fill color", NULL, - G_PARAM_READWRITE)); + G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_FILL_COLOR_GDK, g_param_spec_boxed ("fill_color_gdk", "GDK fill color", "GDK fill color", GDK_TYPE_COLOR, - G_PARAM_READWRITE)); + G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_FILL_COLOR_RGBA, g_param_spec_uint ("fill_color_rgba", @@ -443,33 +244,6 @@ ecb_class_init (ECanvasBackgroundClass *ecb_class) 0, G_MAXUINT, 0, G_PARAM_READWRITE)); - g_object_class_install_property (object_class, PROP_X1, - g_param_spec_double ("x1", - "X1", - "X1", - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, PROP_X2, - g_param_spec_double ("x2", - "X2", - "X2", - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, PROP_Y1, - g_param_spec_double ("y1", - "Y1", - "Y1", - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, PROP_Y2, - g_param_spec_double ("y2", - "Y2", - "Y2", - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); ecb_signals[STYLE_SET] = g_signal_new ("style_set", G_OBJECT_CLASS_TYPE (object_class), |