diff options
Diffstat (limited to 'src/widgets/ruler.cpp')
| -rw-r--r-- | src/widgets/ruler.cpp | 309 |
1 files changed, 26 insertions, 283 deletions
diff --git a/src/widgets/ruler.cpp b/src/widgets/ruler.cpp index 6fd9e2c86..9f7e44444 100644 --- a/src/widgets/ruler.cpp +++ b/src/widgets/ruler.cpp @@ -69,17 +69,17 @@ static void gtk_deprecated_ruler_get_property (GObject *object, GParamSpec *pspec); static void gtk_deprecated_ruler_realize (GtkWidget *widget); static void gtk_deprecated_ruler_unrealize (GtkWidget *widget); -static void gtk_deprecated_ruler_size_request (GtkWidget *widget, +static void sp_ruler_size_request (GtkWidget *widget, GtkRequisition *requisition); #if GTK_CHECK_VERSION(3,0,0) -static void gtk_deprecated_ruler_get_preferred_width(GtkWidget *widget, - gint *minimal_width, - gint *natural_width); +static void sp_ruler_get_preferred_width (GtkWidget *widget, + gint *minimal_width, + gint *natural_width); -static void gtk_deprecated_ruler_get_preferred_height(GtkWidget *widget, - gint *minimal_height, - gint *natural_height); +static void sp_ruler_get_preferred_height (GtkWidget *widget, + gint *minimal_height, + gint *natural_height); #endif static void gtk_deprecated_ruler_size_allocate (GtkWidget *widget, @@ -88,9 +88,9 @@ static gboolean gtk_deprecated_ruler_motion_notify (GtkWidget *widget, GdkEventMotion *event); static gboolean gtk_deprecated_ruler_expose (GtkWidget *widget, GdkEventExpose *event); -static void gtk_deprecated_ruler_make_pixmap (GtkDeprecatedRuler *ruler); -static void gtk_deprecated_ruler_real_draw_ticks (GtkDeprecatedRuler *ruler); -static void gtk_deprecated_ruler_real_draw_pos (GtkDeprecatedRuler *ruler); +static void gtk_deprecated_ruler_make_pixmap (GtkDeprecatedRuler *ruler); +static void sp_ruler_real_draw_ticks (GtkDeprecatedRuler *ruler); +static void gtk_deprecated_ruler_real_draw_pos (GtkDeprecatedRuler *ruler); #define GTK_DEPRECATED_RULER_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_DEPRECATED_TYPE_RULER, GtkDeprecatedRulerPrivate)) @@ -126,16 +126,16 @@ gtk_deprecated_ruler_class_init (GtkDeprecatedRulerClass *klass) widget_class->realize = gtk_deprecated_ruler_realize; widget_class->unrealize = gtk_deprecated_ruler_unrealize; #if GTK_CHECK_VERSION(3,0,0) - widget_class->get_preferred_width = gtk_deprecated_ruler_get_preferred_width; - widget_class->get_preferred_height = gtk_deprecated_ruler_get_preferred_height; + widget_class->get_preferred_width = sp_ruler_get_preferred_width; + widget_class->get_preferred_height = sp_ruler_get_preferred_height; #else - widget_class->size_request = gtk_deprecated_ruler_size_request; + widget_class->size_request = sp_ruler_size_request; #endif widget_class->size_allocate = gtk_deprecated_ruler_size_allocate; widget_class->motion_notify_event = gtk_deprecated_ruler_motion_notify; widget_class->expose_event = gtk_deprecated_ruler_expose; - klass->draw_ticks = gtk_deprecated_ruler_real_draw_ticks; + klass->draw_ticks = sp_ruler_real_draw_ticks; klass->draw_pos = gtk_deprecated_ruler_real_draw_pos; g_object_class_override_property (gobject_class, @@ -483,9 +483,8 @@ gtk_deprecated_ruler_unrealize (GtkWidget *widget) GTK_WIDGET_CLASS (gtk_deprecated_ruler_parent_class)->unrealize (widget); } -static void -gtk_deprecated_ruler_size_request (GtkWidget *widget, - GtkRequisition *requisition) +static void sp_ruler_size_request(GtkWidget *widget, + GtkRequisition *requisition) { GtkDeprecatedRulerPrivate *priv = GTK_DEPRECATED_RULER_GET_PRIVATE (widget); GtkStyle *style = gtk_widget_get_style(widget); @@ -503,17 +502,17 @@ gtk_deprecated_ruler_size_request (GtkWidget *widget, } #if GTK_CHECK_VERSION(3,0,0) -static void gtk_deprecated_ruler_get_preferred_width(GtkWidget *widget, gint *minimal_width, gint *natural_width) +static void sp_ruler_get_preferred_width(GtkWidget *widget, gint *minimal_width, gint *natural_width) { GtkRequisition requisition; - gtk_deprecated_ruler_size_request(widget, &requisition); + sp_ruler_size_request(widget, &requisition); *minimal_width = *natural_width = requisition.width; } -static void gtk_deprecated_ruler_get_preferred_height(GtkWidget *widget, gint *minimal_height, gint *natural_height) +static void sp_ruler_get_preferred_height(GtkWidget *widget, gint *minimal_height, gint *natural_height) { GtkRequisition requisition; - gtk_deprecated_ruler_size_request(widget, &requisition); + sp_ruler_size_request(widget, &requisition); *minimal_height = *natural_height = requisition.height; } #endif @@ -622,224 +621,6 @@ gtk_deprecated_ruler_make_pixmap (GtkDeprecatedRuler *ruler) priv->ysrc = 0; } -static void -gtk_deprecated_ruler_real_draw_ticks (GtkDeprecatedRuler *ruler) -{ - GtkAllocation allocation; - GtkWidget *widget = GTK_WIDGET (ruler); - GtkDeprecatedRulerPrivate *priv = ruler->priv; - GtkStyle *style; - cairo_t *cr; - gint i, j; - gint width, height; - gint xthickness; - gint ythickness; - gint length, ideal_length; - gdouble lower, upper; /* Upper and lower limits, in ruler units */ - gdouble increment; /* Number of pixels per unit */ - gint scale; /* Number of units per major unit */ - gdouble subd_incr; - gdouble start, end, cur; - gchar unit_str[32]; - gint digit_height; - gint digit_offset; - gint text_width; - gint text_height; - gint pos; - PangoLayout *layout; - PangoRectangle logical_rect, ink_rect; - - if (!gtk_widget_is_drawable (widget)) - return; - - style = gtk_widget_get_style(widget); - gtk_widget_get_allocation(widget, &allocation); - - xthickness = style->xthickness; - ythickness = style->ythickness; - - layout = gtk_widget_create_pango_layout (widget, "012456789"); - pango_layout_get_extents (layout, &ink_rect, &logical_rect); - - digit_height = PANGO_PIXELS (ink_rect.height) + 2; - digit_offset = ink_rect.y; - - if (priv->orientation == GTK_ORIENTATION_HORIZONTAL) - { - width = allocation.width; - height = allocation.height - ythickness * 2; - } - else - { - width = allocation.height; - height = allocation.width - ythickness * 2; - } - -#define DETAILE(priv) (priv->orientation == GTK_ORIENTATION_HORIZONTAL ? "hruler" : "vruler"); - - gtk_paint_box (style, priv->backing_store, - GTK_STATE_NORMAL, GTK_SHADOW_OUT, - NULL, widget, - priv->orientation == GTK_ORIENTATION_HORIZONTAL ? - "hruler" : "vruler", - 0, 0, - allocation.width, allocation.height); - - cr = gdk_cairo_create (priv->backing_store); - gdk_cairo_set_source_color (cr, &style->fg[gtk_widget_get_state(widget)]); - - if (priv->orientation == GTK_ORIENTATION_HORIZONTAL) - { - cairo_rectangle (cr, - xthickness, - height + ythickness, - allocation.width - 2 * xthickness, - 1); - } - else - { - cairo_rectangle (cr, - height + xthickness, - ythickness, - 1, - allocation.height - 2 * ythickness); - } - - upper = priv->upper / priv->metric->pixels_per_unit; - lower = priv->lower / priv->metric->pixels_per_unit; - - if ((upper - lower) == 0) - goto out; - - increment = (gdouble) width / (upper - lower); - - /* determine the scale H - * We calculate the text size as for the vruler instead of using - * text_width = gdk_string_width(font, unit_str), so that the result - * for the scale looks consistent with an accompanying vruler - */ - /* determine the scale V - * use the maximum extents of the ruler to determine the largest - * possible number to be displayed. Calculate the height in pixels - * of this displayed text. Use this height to find a scale which - * leaves sufficient room for drawing the ruler. - */ - scale = ceil (priv->max_size / priv->metric->pixels_per_unit); - g_snprintf (unit_str, sizeof (unit_str), "%d", scale); - - if (priv->orientation == GTK_ORIENTATION_HORIZONTAL) - { - text_width = strlen (unit_str) * digit_height + 1; - - for (scale = 0; scale < MAXIMUM_SCALES; scale++) - if (priv->metric->ruler_scale[scale] * fabs(increment) > 2 * text_width) - break; - } - else - { - text_height = strlen (unit_str) * digit_height + 1; - - for (scale = 0; scale < MAXIMUM_SCALES; scale++) - if (priv->metric->ruler_scale[scale] * fabs(increment) > 2 * text_height) - break; - } - - if (scale == MAXIMUM_SCALES) - scale = MAXIMUM_SCALES - 1; - - /* drawing starts here */ - length = 0; - for (i = MAXIMUM_SUBDIVIDE - 1; i >= 0; i--) - { - subd_incr = (gdouble) priv->metric->ruler_scale[scale] / - (gdouble) priv->metric->subdivide[i]; - if (subd_incr * fabs(increment) <= MINIMUM_INCR) - continue; - - /* Calculate the length of the tickmarks. Make sure that - * this length increases for each set of ticks - */ - ideal_length = height / (i + 1) - 1; - if (ideal_length > ++length) - length = ideal_length; - - if (lower < upper) - { - start = floor (lower / subd_incr) * subd_incr; - end = ceil (upper / subd_incr) * subd_incr; - } - else - { - start = floor (upper / subd_incr) * subd_incr; - end = ceil (lower / subd_incr) * subd_incr; - } - - for (cur = start; cur <= end; cur += subd_incr) - { - pos = ROUND ((cur - lower) * increment); - - if (priv->orientation == GTK_ORIENTATION_HORIZONTAL) - { - cairo_rectangle (cr, - pos, height + ythickness - length, - 1, length); - } - else - { - cairo_rectangle (cr, - height + xthickness - length, pos, - length, 1); - } - - /* draw label */ - if (i == 0) - { - g_snprintf (unit_str, sizeof (unit_str), "%d", (int) cur); - - 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 (style, - priv->backing_store, - gtk_widget_get_state (widget), - FALSE, - NULL, - widget, - "hruler", - pos + 2, ythickness + PANGO_PIXELS (logical_rect.y - digit_offset), - layout); - } - else - { - for (j = 0; j < (int) strlen (unit_str); j++) - { - pango_layout_set_text (layout, unit_str + j, 1); - pango_layout_get_extents (layout, NULL, &logical_rect); - - gtk_paint_layout (style, - priv->backing_store, - gtk_widget_get_state (widget), - FALSE, - NULL, - widget, - "vruler", - xthickness + 1, - pos + digit_height * j + 2 + PANGO_PIXELS (logical_rect.y - digit_offset), - layout); - } - } - } - } - } - - cairo_fill (cr); -out: - cairo_destroy (cr); - - g_object_unref (layout); -} static void gtk_deprecated_ruler_real_draw_pos (GtkDeprecatedRuler *ruler) @@ -941,12 +722,8 @@ gtk_deprecated_ruler_real_draw_pos (GtkDeprecatedRuler *ruler) - - #define UNUSED_PIXELS 2 // There appear to be two pixels that are not being used at each end of the ruler -static void sp_ruler_common_draw_ticks (GtkDeprecatedRuler *ruler); - static void sp_hruler_class_init (SPHRulerClass *klass); static void sp_hruler_init (SPHRuler *hruler); static gint sp_hruler_motion_notify (GtkWidget *widget, GdkEventMotion *event); @@ -990,7 +767,7 @@ sp_hruler_class_init (SPHRulerClass *klass) widget_class->motion_notify_event = sp_hruler_motion_notify; - ruler_class->draw_ticks = sp_ruler_common_draw_ticks; + ruler_class->draw_ticks = sp_ruler_real_draw_ticks; } static void @@ -1043,17 +820,6 @@ static void sp_vruler_class_init (SPVRulerClass *klass); static void sp_vruler_init (SPVRuler *vruler); static gint sp_vruler_motion_notify (GtkWidget *widget, GdkEventMotion *event); -static void sp_vruler_size_request (GtkWidget *widget, GtkRequisition *requisition); - -#if GTK_CHECK_VERSION(3,0,0) -static void sp_vruler_get_preferred_width(GtkWidget *widget, - gint *minimal_width, - gint *natural_width); - -static void sp_vruler_get_preferred_height(GtkWidget *widget, - gint *minimal_height, - gint *natural_height); -#endif static GtkWidgetClass *vruler_parent_class; @@ -1095,13 +861,13 @@ sp_vruler_class_init (SPVRulerClass *klass) widget_class->motion_notify_event = sp_vruler_motion_notify; #if GTK_CHECK_VERSION(3,0,0) - widget_class->get_preferred_width = sp_vruler_get_preferred_width; - widget_class->get_preferred_height = sp_vruler_get_preferred_height; + widget_class->get_preferred_width = sp_ruler_get_preferred_width; + widget_class->get_preferred_height = sp_ruler_get_preferred_height; #else - widget_class->size_request = sp_vruler_size_request; + widget_class->size_request = sp_ruler_size_request; #endif - ruler_class->draw_ticks = sp_ruler_common_draw_ticks; + ruler_class->draw_ticks = sp_ruler_real_draw_ticks; } static void @@ -1150,31 +916,8 @@ sp_vruler_motion_notify (GtkWidget *widget, return FALSE; } -static void -sp_vruler_size_request (GtkWidget *widget, GtkRequisition *requisition) -{ - GtkStyle *style = gtk_widget_get_style (widget); - requisition->width = style->xthickness * 2 + RULER_WIDTH; -} - -#if GTK_CHECK_VERSION(3,0,0) -static void sp_vruler_get_preferred_width(GtkWidget *widget, gint *minimal_width, gint *natural_width) -{ - GtkRequisition requisition; - sp_vruler_size_request(widget, &requisition); - *minimal_width = *natural_width = requisition.width; -} - -static void sp_vruler_get_preferred_height(GtkWidget *widget, gint *minimal_height, gint *natural_height) -{ - GtkRequisition requisition; - sp_vruler_size_request(widget, &requisition); - *minimal_height = *natural_height = requisition.height; -} -#endif -static void -sp_ruler_common_draw_ticks(GtkDeprecatedRuler *ruler) +static void sp_ruler_real_draw_ticks(GtkDeprecatedRuler *ruler) { GtkDeprecatedRulerPrivate *priv = ruler->priv; gint width = 0; |