diff options
Diffstat (limited to 'src/ui/metaaccellabel.c')
| -rw-r--r-- | src/ui/metaaccellabel.c | 169 |
1 files changed, 166 insertions, 3 deletions
diff --git a/src/ui/metaaccellabel.c b/src/ui/metaaccellabel.c index 88262d0f..829b8a75 100644 --- a/src/ui/metaaccellabel.c +++ b/src/ui/metaaccellabel.c @@ -37,21 +37,44 @@ #include <string.h> #include "util.h" +#if GTK_CHECK_VERSION(3, 0, 0) + #define parent_class meta_accel_label_parent_class + #define GtkObject GtkWidget + #define GTK_OBJECT_CLASS GTK_WIDGET_CLASS +#endif + static void meta_accel_label_class_init (MetaAccelLabelClass *klass); static void meta_accel_label_init (MetaAccelLabel *accel_label); static void meta_accel_label_destroy (GtkObject *object); static void meta_accel_label_finalize (GObject *object); +static void meta_accel_label_update (MetaAccelLabel *accel_label); +static int meta_accel_label_get_accel_width (MetaAccelLabel *accel_label); + +#if GTK_CHECK_VERSION(3, 0, 0) +static void meta_accel_label_get_preferred_width (GtkWidget *widget, + gint *minimum, + gint *natural); +static void meta_accel_label_get_preferred_height (GtkWidget *widget, + gint *minimum, + gint *natural); +static gboolean meta_accel_label_draw (GtkWidget *widget, + cairo_t *cr); +#else static void meta_accel_label_size_request (GtkWidget *widget, GtkRequisition *requisition); static gboolean meta_accel_label_expose_event (GtkWidget *widget, GdkEventExpose *event); -static void meta_accel_label_update (MetaAccelLabel *accel_label); -static int meta_accel_label_get_accel_width (MetaAccelLabel *accel_label); +static GtkLabelClass *parent_class = NULL; +#endif -static GtkLabelClass *parent_class = NULL; +#if GTK_CHECK_VERSION(3, 0, 0) + +G_DEFINE_TYPE (MetaAccelLabel, meta_accel_label, GTK_TYPE_LABEL); + +#else GType meta_accel_label_get_type (void) @@ -78,9 +101,24 @@ meta_accel_label_get_type (void) return accel_label_type; } +#endif + static void meta_accel_label_class_init (MetaAccelLabelClass *class) { + + #if GTK_CHECK_VERSION(3, 0, 0) + GObjectClass *gobject_class = G_OBJECT_CLASS (class); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); + + gobject_class->finalize = meta_accel_label_finalize; + + widget_class->destroy = meta_accel_label_destroy; + + widget_class->get_preferred_width = meta_accel_label_get_preferred_width; + widget_class->get_preferred_height = meta_accel_label_get_preferred_height; + widget_class->draw = meta_accel_label_draw; + #else GObjectClass *gobject_class = G_OBJECT_CLASS (class); GtkObjectClass *object_class = GTK_OBJECT_CLASS (class); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); @@ -93,6 +131,7 @@ meta_accel_label_class_init (MetaAccelLabelClass *class) widget_class->size_request = meta_accel_label_size_request; widget_class->expose_event = meta_accel_label_expose_event; + #endif class->signal_quote1 = g_strdup ("<:"); class->signal_quote2 = g_strdup (":>"); @@ -236,6 +275,34 @@ meta_accel_label_get_accel_width (MetaAccelLabel *accel_label) (accel_label->accel_string_width ? accel_label->accel_padding : 0)); } +#if GTK_CHECK_VERSION(3, 0, 0) +static void +meta_accel_label_get_preferred_width (GtkWidget *widget, + gint *minimum, + gint *natural) +{ + MetaAccelLabel *accel_label = META_ACCEL_LABEL (widget); + PangoLayout *layout; + gint width; + + GTK_WIDGET_CLASS (meta_accel_label_parent_class)->get_preferred_width (widget, minimum, natural); + + layout = gtk_widget_create_pango_layout (widget, accel_label->accel_string); + pango_layout_get_pixel_size (layout, &width, NULL); + accel_label->accel_string_width = width; + + g_object_unref (G_OBJECT (layout)); +} + +static void +meta_accel_label_get_preferred_height (GtkWidget *widget, + gint *minimum, + gint *natural) +{ + GTK_WIDGET_CLASS (meta_accel_label_parent_class)->get_preferred_height (widget, minimum, natural); +} +#else + static void meta_accel_label_size_request (GtkWidget *widget, GtkRequisition *requisition) @@ -254,6 +321,100 @@ meta_accel_label_size_request (GtkWidget *widget, g_object_unref (G_OBJECT (layout)); } +#endif + +#if GTK_CHECK_VERSION(3, 0, 0) + +static gboolean +meta_accel_label_draw (GtkWidget *widget, + cairo_t *cr) +{ + MetaAccelLabel *accel_label = META_ACCEL_LABEL (widget); + GtkMisc *misc = GTK_MISC (accel_label); + GtkTextDirection direction; + int ac_width; + GtkAllocation allocation; + GtkRequisition requisition; + + direction = gtk_widget_get_direction (widget); + ac_width = meta_accel_label_get_accel_width (accel_label); + gtk_widget_get_allocation (widget, &allocation); + gtk_widget_get_preferred_size (widget, + &requisition, NULL); + + if (allocation.width >= requisition.width + ac_width) + { + GtkStyleContext *style; + PangoLayout *label_layout; + PangoLayout *accel_layout; + GtkLabel *label = GTK_LABEL (widget); + gint x, y, xpad, ypad; + gfloat xalign, yalign; + + label_layout = gtk_label_get_layout (GTK_LABEL (accel_label)); + gtk_misc_get_alignment (misc, &xalign, &yalign); + + cairo_save (cr); + + /* XXX: Mad hack: We modify the label's width so it renders + * properly in its draw function that we chain to. */ + if (direction == GTK_TEXT_DIR_RTL) + cairo_translate (cr, ac_width, 0); + if (gtk_label_get_ellipsize (label)) + pango_layout_set_width (label_layout, + pango_layout_get_width (label_layout) + - ac_width * PANGO_SCALE); + + allocation.width -= ac_width; + gtk_widget_set_allocation (widget, &allocation); + if (GTK_WIDGET_CLASS (meta_accel_label_parent_class)->draw) + GTK_WIDGET_CLASS (meta_accel_label_parent_class)->draw (widget, + cr); + allocation.width += ac_width; + gtk_widget_set_allocation (widget, &allocation); + if (gtk_label_get_ellipsize (label)) + pango_layout_set_width (label_layout, + pango_layout_get_width (label_layout) + + ac_width * PANGO_SCALE); + + cairo_restore (cr); + + gtk_misc_get_padding (misc, &xpad, &ypad); + + if (direction == GTK_TEXT_DIR_RTL) + x = xpad; + else + x = gtk_widget_get_allocated_width (widget) - xpad - ac_width; + + gtk_label_get_layout_offsets (GTK_LABEL (accel_label), NULL, &y); + + accel_layout = gtk_widget_create_pango_layout (widget, accel_label->accel_string); + + y = (allocation.height - (requisition.height - ypad * 2)) * yalign + 1.5; + + style = gtk_widget_get_style_context (widget); + gtk_style_context_save (style); + gtk_style_context_set_state (style, + gtk_widget_get_state_flags (widget)); + gtk_render_layout (gtk_widget_get_style_context (widget), + cr, + x, y, + accel_layout); + gtk_style_context_restore (style); + + g_object_unref (accel_layout); + } + else + { + if (GTK_WIDGET_CLASS (meta_accel_label_parent_class)->draw) + GTK_WIDGET_CLASS (meta_accel_label_parent_class)->draw (widget, cr); + } + + return FALSE; +} + +#else + static gboolean meta_accel_label_expose_event (GtkWidget *widget, GdkEventExpose *event) @@ -327,6 +488,8 @@ meta_accel_label_expose_event (GtkWidget *widget, return FALSE; } +#endif + static void meta_accel_label_update (MetaAccelLabel *accel_label) { |