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GtkRuler: move public member to private structure

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This commit is contained in:
Javier Jardón 2010-07-08 02:56:59 +02:00
parent f17a345998
commit 6fb0e3a09f
2 changed files with 146 additions and 125 deletions
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253
gtk/gtkruler.c
View File

@ -41,6 +41,24 @@
#define ROUND(x) ((int) ((x) + 0.5))
struct _GtkRulerPriv
{
GtkOrientation orientation;
GtkRulerMetric *metric;
GdkGC *non_gr_exp_gc;
GdkPixmap *backing_store;
gint slider_size;
gint xsrc;
gint ysrc;
gdouble lower; /* The upper limit of the ruler (in points) */
gdouble max_size; /* The maximum size of the ruler */
gdouble position; /* The position of the mark on the ruler */
gdouble upper; /* The lower limit of the ruler */
};
enum {
PROP_0,
PROP_ORIENTATION,
@ -51,15 +69,6 @@ enum {
PROP_METRIC
};
typedef struct _GtkRulerPrivate GtkRulerPrivate;
struct _GtkRulerPrivate
{
GtkOrientation orientation;
};
#define GTK_RULER_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_RULER, GtkRulerPrivate))
static void gtk_ruler_set_property (GObject *object,
guint prop_id,
@ -175,28 +184,33 @@ gtk_ruler_class_init (GtkRulerClass *class)
GTK_PIXELS,
GTK_PARAM_READWRITE));
g_type_class_add_private (gobject_class, sizeof (GtkRulerPrivate));
g_type_class_add_private (gobject_class, sizeof (GtkRulerPriv));
}
static void
gtk_ruler_init (GtkRuler *ruler)
{
GtkWidget *widget = GTK_WIDGET (ruler);
GtkRulerPrivate *private = GTK_RULER_GET_PRIVATE (ruler);
GtkRulerPriv *priv;
private->orientation = GTK_ORIENTATION_HORIZONTAL;
ruler->priv = G_TYPE_INSTANCE_GET_PRIVATE (ruler,
GTK_TYPE_RULER,
GtkRulerPriv);
priv = ruler->priv;
priv->orientation = GTK_ORIENTATION_HORIZONTAL;
widget->requisition.width = widget->style->xthickness * 2 + 1;
widget->requisition.height = widget->style->ythickness * 2 + RULER_WIDTH;
ruler->backing_store = NULL;
ruler->xsrc = 0;
ruler->ysrc = 0;
ruler->slider_size = 0;
ruler->lower = 0;
ruler->upper = 0;
ruler->position = 0;
ruler->max_size = 0;
priv->backing_store = NULL;
priv->xsrc = 0;
priv->ysrc = 0;
priv->slider_size = 0;
priv->lower = 0;
priv->upper = 0;
priv->position = 0;
priv->max_size = 0;
gtk_ruler_set_metric (ruler, GTK_PIXELS);
}
@ -208,29 +222,29 @@ gtk_ruler_set_property (GObject *object,
GParamSpec *pspec)
{
GtkRuler *ruler = GTK_RULER (object);
GtkRulerPrivate *private = GTK_RULER_GET_PRIVATE (ruler);
GtkRulerPriv *priv = ruler->priv;
switch (prop_id)
{
case PROP_ORIENTATION:
private->orientation = g_value_get_enum (value);
priv->orientation = g_value_get_enum (value);
gtk_widget_queue_resize (GTK_WIDGET (ruler));
break;
case PROP_LOWER:
gtk_ruler_set_range (ruler, g_value_get_double (value), ruler->upper,
ruler->position, ruler->max_size);
gtk_ruler_set_range (ruler, g_value_get_double (value), priv->upper,
priv->position, priv->max_size);
break;
case PROP_UPPER:
gtk_ruler_set_range (ruler, ruler->lower, g_value_get_double (value),
ruler->position, ruler->max_size);
gtk_ruler_set_range (ruler, priv->lower, g_value_get_double (value),
priv->position, priv->max_size);
break;
case PROP_POSITION:
gtk_ruler_set_range (ruler, ruler->lower, ruler->upper,
g_value_get_double (value), ruler->max_size);
gtk_ruler_set_range (ruler, priv->lower, priv->upper,
g_value_get_double (value), priv->max_size);
break;
case PROP_MAX_SIZE:
gtk_ruler_set_range (ruler, ruler->lower, ruler->upper,
ruler->position, g_value_get_double (value));
gtk_ruler_set_range (ruler, priv->lower, priv->upper,
priv->position, g_value_get_double (value));
break;
case PROP_METRIC:
gtk_ruler_set_metric (ruler, g_value_get_enum (value));
@ -248,24 +262,24 @@ gtk_ruler_get_property (GObject *object,
GParamSpec *pspec)
{
GtkRuler *ruler = GTK_RULER (object);
GtkRulerPrivate *private = GTK_RULER_GET_PRIVATE (ruler);
GtkRulerPriv *priv = ruler->priv;
switch (prop_id)
{
case PROP_ORIENTATION:
g_value_set_enum (value, private->orientation);
g_value_set_enum (value, priv->orientation);
break;
case PROP_LOWER:
g_value_set_double (value, ruler->lower);
g_value_set_double (value, priv->lower);
break;
case PROP_UPPER:
g_value_set_double (value, ruler->upper);
g_value_set_double (value, priv->upper);
break;
case PROP_POSITION:
g_value_set_double (value, ruler->position);
g_value_set_double (value, priv->position);
break;
case PROP_MAX_SIZE:
g_value_set_double (value, ruler->max_size);
g_value_set_double (value, priv->max_size);
break;
case PROP_METRIC:
g_value_set_enum (value, gtk_ruler_get_metric (ruler));
@ -298,9 +312,13 @@ void
gtk_ruler_set_metric (GtkRuler *ruler,
GtkMetricType metric)
{
GtkRulerPriv *priv;
g_return_if_fail (GTK_IS_RULER (ruler));
ruler->metric = (GtkRulerMetric *) &ruler_metrics[metric];
priv = ruler->priv;
priv->metric = (GtkRulerMetric *) &ruler_metrics[metric];
if (gtk_widget_is_drawable (GTK_WIDGET (ruler)))
gtk_widget_queue_draw (GTK_WIDGET (ruler));
@ -319,12 +337,15 @@ gtk_ruler_set_metric (GtkRuler *ruler,
GtkMetricType
gtk_ruler_get_metric (GtkRuler *ruler)
{
GtkRulerPriv *priv;
gint i;
g_return_val_if_fail (GTK_IS_RULER (ruler), 0);
priv = ruler->priv;
for (i = 0; i < G_N_ELEMENTS (ruler_metrics); i++)
if (ruler->metric == &ruler_metrics[i])
if (priv->metric == &ruler_metrics[i])
return i;
g_assert_not_reached ();
@ -350,27 +371,31 @@ gtk_ruler_set_range (GtkRuler *ruler,
gdouble position,
gdouble max_size)
{
GtkRulerPriv *priv;
g_return_if_fail (GTK_IS_RULER (ruler));
priv = ruler->priv;
g_object_freeze_notify (G_OBJECT (ruler));
if (ruler->lower != lower)
if (priv->lower != lower)
{
ruler->lower = lower;
priv->lower = lower;
g_object_notify (G_OBJECT (ruler), "lower");
}
if (ruler->upper != upper)
if (priv->upper != upper)
{
ruler->upper = upper;
priv->upper = upper;
g_object_notify (G_OBJECT (ruler), "upper");
}
if (ruler->position != position)
if (priv->position != position)
{
ruler->position = position;
priv->position = position;
g_object_notify (G_OBJECT (ruler), "position");
}
if (ruler->max_size != max_size)
if (priv->max_size != max_size)
{
ruler->max_size = max_size;
priv->max_size = max_size;
g_object_notify (G_OBJECT (ruler), "max-size");
}
g_object_thaw_notify (G_OBJECT (ruler));
@ -398,16 +423,20 @@ gtk_ruler_get_range (GtkRuler *ruler,
gdouble *position,
gdouble *max_size)
{
GtkRulerPriv *priv;
g_return_if_fail (GTK_IS_RULER (ruler));
priv = ruler->priv;
if (lower)
*lower = ruler->lower;
*lower = priv->lower;
if (upper)
*upper = ruler->upper;
*upper = priv->upper;
if (position)
*position = ruler->position;
*position = priv->position;
if (max_size)
*max_size = ruler->max_size;
*max_size = priv->max_size;
}
void
@ -468,17 +497,18 @@ static void
gtk_ruler_unrealize (GtkWidget *widget)
{
GtkRuler *ruler = GTK_RULER (widget);
GtkRulerPriv *priv = ruler->priv;
if (ruler->backing_store)
if (priv->backing_store)
{
g_object_unref (ruler->backing_store);
ruler->backing_store = NULL;
g_object_unref (priv->backing_store);
priv->backing_store = NULL;
}
if (ruler->non_gr_exp_gc)
if (priv->non_gr_exp_gc)
{
g_object_unref (ruler->non_gr_exp_gc);
ruler->non_gr_exp_gc = NULL;
g_object_unref (priv->non_gr_exp_gc);
priv->non_gr_exp_gc = NULL;
}
GTK_WIDGET_CLASS (gtk_ruler_parent_class)->unrealize (widget);
@ -488,9 +518,10 @@ static void
gtk_ruler_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkRulerPrivate *private = GTK_RULER_GET_PRIVATE (widget);
GtkRuler *ruler = GTK_RULER (widget);
GtkRulerPriv *priv = ruler->priv;
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
requisition->width = widget->style->xthickness * 2 + 1;
requisition->height = widget->style->ythickness * 2 + RULER_WIDTH;
@ -525,7 +556,7 @@ gtk_ruler_motion_notify (GtkWidget *widget,
GdkEventMotion *event)
{
GtkRuler *ruler = GTK_RULER (widget);
GtkRulerPrivate *private = GTK_RULER_GET_PRIVATE (widget);
GtkRulerPriv *priv = ruler->priv;
gint x;
gint y;
@ -533,15 +564,15 @@ gtk_ruler_motion_notify (GtkWidget *widget,
x = event->x;
y = event->y;
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
ruler->position = ruler->lower + ((ruler->upper - ruler->lower) * x) / widget->allocation.width;
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
priv->position = priv->lower + ((priv->upper - priv->lower) * x) / widget->allocation.width;
else
ruler->position = ruler->lower + ((ruler->upper - ruler->lower) * y) / widget->allocation.height;
priv->position = priv->lower + ((priv->upper - priv->lower) * y) / widget->allocation.height;
g_object_notify (G_OBJECT (ruler), "position");
/* Make sure the ruler has been allocated already */
if (ruler->backing_store != NULL)
if (priv->backing_store != NULL)
gtk_ruler_draw_pos (ruler);
return FALSE;
@ -554,12 +585,13 @@ gtk_ruler_expose (GtkWidget *widget,
if (gtk_widget_is_drawable (widget))
{
GtkRuler *ruler = GTK_RULER (widget);
GtkRulerPriv *priv = ruler->priv;
gtk_ruler_draw_ticks (ruler);
gdk_draw_drawable (widget->window,
ruler->non_gr_exp_gc,
ruler->backing_store,
priv->non_gr_exp_gc,
priv->backing_store,
0, 0, 0, 0,
widget->allocation.width,
widget->allocation.height);
@ -573,34 +605,35 @@ gtk_ruler_expose (GtkWidget *widget,
static void
gtk_ruler_make_pixmap (GtkRuler *ruler)
{
GtkRulerPriv *priv = ruler->priv;
GtkWidget *widget;
gint width;
gint height;
widget = GTK_WIDGET (ruler);
if (ruler->backing_store)
if (priv->backing_store)
{
gdk_drawable_get_size (ruler->backing_store, &width, &height);
gdk_drawable_get_size (priv->backing_store, &width, &height);
if ((width == widget->allocation.width) &&
(height == widget->allocation.height))
return;
g_object_unref (ruler->backing_store);
g_object_unref (priv->backing_store);
}
ruler->backing_store = gdk_pixmap_new (widget->window,
widget->allocation.width,
widget->allocation.height,
-1);
priv->backing_store = gdk_pixmap_new (widget->window,
widget->allocation.width,
widget->allocation.height,
-1);
ruler->xsrc = 0;
ruler->ysrc = 0;
priv->xsrc = 0;
priv->ysrc = 0;
if (!ruler->non_gr_exp_gc)
if (!priv->non_gr_exp_gc)
{
ruler->non_gr_exp_gc = gdk_gc_new (widget->window);
gdk_gc_set_exposures (ruler->non_gr_exp_gc, FALSE);
priv->non_gr_exp_gc = gdk_gc_new (widget->window);
gdk_gc_set_exposures (priv->non_gr_exp_gc, FALSE);
}
}
@ -608,7 +641,7 @@ static void
gtk_ruler_real_draw_ticks (GtkRuler *ruler)
{
GtkWidget *widget = GTK_WIDGET (ruler);
GtkRulerPrivate *private = GTK_RULER_GET_PRIVATE (ruler);
GtkRulerPriv *priv = ruler->priv;
cairo_t *cr;
gint i, j;
gint width, height;
@ -641,7 +674,7 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
digit_height = PANGO_PIXELS (ink_rect.height) + 2;
digit_offset = ink_rect.y;
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
width = widget->allocation.width;
height = widget->allocation.height - ythickness * 2;
@ -652,20 +685,20 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
height = widget->allocation.width - ythickness * 2;
}
#define DETAILE(private) (private->orientation == GTK_ORIENTATION_HORIZONTAL ? "hruler" : "vruler");
#define DETAILE(private) (priv->orientation == GTK_ORIENTATION_HORIZONTAL ? "hruler" : "vruler");
gtk_paint_box (widget->style, ruler->backing_store,
gtk_paint_box (widget->style, priv->backing_store,
GTK_STATE_NORMAL, GTK_SHADOW_OUT,
NULL, widget,
private->orientation == GTK_ORIENTATION_HORIZONTAL ?
priv->orientation == GTK_ORIENTATION_HORIZONTAL ?
"hruler" : "vruler",
0, 0,
widget->allocation.width, widget->allocation.height);
cr = gdk_cairo_create (ruler->backing_store);
cr = gdk_cairo_create (priv->backing_store);
gdk_cairo_set_source_color (cr, &widget->style->fg[widget->state]);
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
cairo_rectangle (cr,
xthickness,
@ -682,8 +715,8 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
widget->allocation.height - 2 * ythickness);
}
upper = ruler->upper / ruler->metric->pixels_per_unit;
lower = ruler->lower / ruler->metric->pixels_per_unit;
upper = priv->upper / priv->metric->pixels_per_unit;
lower = priv->lower / priv->metric->pixels_per_unit;
if ((upper - lower) == 0)
goto out;
@ -700,15 +733,15 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
* of this displayed text. Use this height to find a scale which
* leaves sufficient room for drawing the ruler.
*/
scale = ceil (ruler->max_size / ruler->metric->pixels_per_unit);
scale = ceil (priv->max_size / priv->metric->pixels_per_unit);
g_snprintf (unit_str, sizeof (unit_str), "%d", scale);
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
text_width = strlen (unit_str) * digit_height + 1;
for (scale = 0; scale < MAXIMUM_SCALES; scale++)
if (ruler->metric->ruler_scale[scale] * fabs(increment) > 2 * text_width)
if (priv->metric->ruler_scale[scale] * fabs(increment) > 2 * text_width)
break;
}
else
@ -716,7 +749,7 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
text_height = strlen (unit_str) * digit_height + 1;
for (scale = 0; scale < MAXIMUM_SCALES; scale++)
if (ruler->metric->ruler_scale[scale] * fabs(increment) > 2 * text_height)
if (priv->metric->ruler_scale[scale] * fabs(increment) > 2 * text_height)
break;
}
@ -727,8 +760,8 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
length = 0;
for (i = MAXIMUM_SUBDIVIDE - 1; i >= 0; i--)
{
subd_incr = (gdouble) ruler->metric->ruler_scale[scale] /
(gdouble) ruler->metric->subdivide[i];
subd_incr = (gdouble) priv->metric->ruler_scale[scale] /
(gdouble) priv->metric->subdivide[i];
if (subd_incr * fabs(increment) <= MINIMUM_INCR)
continue;
@ -754,7 +787,7 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
{
pos = ROUND ((cur - lower) * increment);
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
cairo_rectangle (cr,
pos, height + ythickness - length,
@ -772,13 +805,13 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
{
g_snprintf (unit_str, sizeof (unit_str), "%d", (int) cur);
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
pango_layout_set_text (layout, unit_str, -1);
pango_layout_get_extents (layout, &logical_rect, NULL);
gtk_paint_layout (widget->style,
ruler->backing_store,
priv->backing_store,
gtk_widget_get_state (widget),
FALSE,
NULL,
@ -795,7 +828,7 @@ gtk_ruler_real_draw_ticks (GtkRuler *ruler)
pango_layout_get_extents (layout, NULL, &logical_rect);
gtk_paint_layout (widget->style,
ruler->backing_store,
priv->backing_store,
gtk_widget_get_state (widget),
FALSE,
NULL,
@ -821,7 +854,7 @@ static void
gtk_ruler_real_draw_pos (GtkRuler *ruler)
{
GtkWidget *widget = GTK_WIDGET (ruler);
GtkRulerPrivate *private = GTK_RULER_GET_PRIVATE (ruler);
GtkRulerPriv *priv = ruler->priv;
gint x, y;
gint width, height;
gint bs_width, bs_height;
@ -836,7 +869,7 @@ gtk_ruler_real_draw_pos (GtkRuler *ruler)
width = widget->allocation.width;
height = widget->allocation.height;
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
height -= ythickness * 2;
@ -858,34 +891,34 @@ gtk_ruler_real_draw_pos (GtkRuler *ruler)
cairo_t *cr = gdk_cairo_create (widget->window);
/* If a backing store exists, restore the ruler */
if (ruler->backing_store)
if (priv->backing_store)
gdk_draw_drawable (widget->window,
widget->style->black_gc,
ruler->backing_store,
ruler->xsrc, ruler->ysrc,
ruler->xsrc, ruler->ysrc,
priv->backing_store,
priv->xsrc, priv->ysrc,
priv->xsrc, priv->ysrc,
bs_width, bs_height);
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
increment = (gdouble) width / (ruler->upper - ruler->lower);
increment = (gdouble) width / (priv->upper - priv->lower);
x = ROUND ((ruler->position - ruler->lower) * increment) + (xthickness - bs_width) / 2 - 1;
x = ROUND ((priv->position - priv->lower) * increment) + (xthickness - bs_width) / 2 - 1;
y = (height + bs_height) / 2 + ythickness;
}
else
{
increment = (gdouble) height / (ruler->upper - ruler->lower);
increment = (gdouble) height / (priv->upper - priv->lower);
x = (width + bs_width) / 2 + xthickness;
y = ROUND ((ruler->position - ruler->lower) * increment) + (ythickness - bs_height) / 2 - 1;
y = ROUND ((priv->position - priv->lower) * increment) + (ythickness - bs_height) / 2 - 1;
}
gdk_cairo_set_source_color (cr, &widget->style->fg[widget->state]);
cairo_move_to (cr, x, y);
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
cairo_line_to (cr, x + bs_width / 2.0, y + bs_height);
cairo_line_to (cr, x + bs_width, y);
@ -900,8 +933,8 @@ gtk_ruler_real_draw_pos (GtkRuler *ruler)
cairo_destroy (cr);
ruler->xsrc = x;
ruler->ysrc = y;
priv->xsrc = x;
priv->ysrc = y;
}
}
}

18
gtk/gtkruler.h
View File

@ -56,6 +56,7 @@ G_BEGIN_DECLS
typedef struct _GtkRuler GtkRuler;
typedef struct _GtkRulerPriv GtkRulerPriv;
typedef struct _GtkRulerClass GtkRulerClass;
typedef struct _GtkRulerMetric GtkRulerMetric;
@ -66,21 +67,8 @@ struct _GtkRuler
{
GtkWidget widget;
GdkPixmap *GSEAL (backing_store);
GdkGC *GSEAL (non_gr_exp_gc); /* unused */
GtkRulerMetric *GSEAL (metric);
gint GSEAL (xsrc);
gint GSEAL (ysrc);
gint GSEAL (slider_size);
/* The upper limit of the ruler (in points) */
gdouble GSEAL (lower);
/* The lower limit of the ruler */
gdouble GSEAL (upper);
/* The position of the mark on the ruler */
gdouble GSEAL (position);
/* The maximum size of the ruler */
gdouble GSEAL (max_size);
/* <private> */
GtkRulerPriv *priv;
};
struct _GtkRulerClass