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authorBenjamin Otte <otte@redhat.com>2010-10-15 17:50:18 +0800
committerMatthew Barnes <mbarnes@redhat.com>2010-10-30 01:50:00 +0800
commit3fb0c763eb870c757b4c0b589ffde32cf03e8e05 (patch)
treecba438d621a50b8bff492d18b79142ecbd48b144 /widgets
parent32c321ec65ab4feee63a4e8d8171c360febb250b (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.c260
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),