diff options
Diffstat (limited to 'gui/greeter/greeter_canvas_text.c')
| -rw-r--r-- | gui/greeter/greeter_canvas_text.c | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/gui/greeter/greeter_canvas_text.c b/gui/greeter/greeter_canvas_text.c deleted file mode 100644 index 961f5190..00000000 --- a/gui/greeter/greeter_canvas_text.c +++ /dev/null @@ -1,213 +0,0 @@ -#include <string.h> - -#include "greeter_canvas_text.h" - -#include <libgnomecanvas/gnome-canvas.h> -#include <libgnomecanvas/gnome-canvas-text.h> -#include <pango/pangoft2.h> - - -enum -{ - PROP_0, - PROP_TEXT, - PROP_MARKUP -}; - -static void greeter_canvas_text_class_init (GreeterCanvasTextClass *class); -static void greeter_canvas_text_init (GreeterCanvasText *text); -static void greeter_canvas_text_set_property (GObject *object, - guint param_id, - const GValue *value, - GParamSpec *pspec); -static void greeter_canvas_text_get_property (GObject *object, - guint param_id, - GValue *value, - GParamSpec *pspec); - -G_DEFINE_TYPE (GreeterCanvasText, greeter_canvas_text, GNOME_TYPE_CANVAS_TEXT) - -static void -greeter_canvas_text_class_init (GreeterCanvasTextClass *greeter_class) -{ - GObjectClass *gobject_class; - - gobject_class = G_OBJECT_CLASS (greeter_class); - - gobject_class->set_property = greeter_canvas_text_set_property; - gobject_class->get_property = greeter_canvas_text_get_property; - - g_object_class_install_property - (gobject_class, - PROP_TEXT, - g_param_spec_string ("text", - "Text", - "Text to render", - NULL, - (G_PARAM_READABLE | G_PARAM_WRITABLE))); - - g_object_class_install_property - (gobject_class, - PROP_MARKUP, - g_param_spec_string ("markup", - "Markup", - "Markup to render", - NULL, - (G_PARAM_READABLE | G_PARAM_WRITABLE))); -} - -static void -greeter_canvas_text_init (GreeterCanvasText *text) -{ -} - -static gdouble -greeter_canvas_text_get_screen_dpi (GreeterCanvasText *text) -{ - GdkDisplay *display; - GdkScreen *screen; - GdkAtom atom, type; - gint resources_length; - gchar *resources, *resource, *end; - gdouble dpi; - static const gdouble default_dpi = 96.0; - - atom = gdk_atom_intern ("RESOURCE_MANAGER", TRUE); - - if (atom == 0) - return default_dpi; - - display = - gtk_widget_get_display (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas)); - - if (display == NULL) - return default_dpi; - - screen = - gtk_widget_get_screen (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas)); - - if (screen == NULL) - return default_dpi; - - gdk_error_trap_push (); - if (!gdk_property_get (gdk_screen_get_root_window (screen), - atom, GDK_TARGET_STRING, - 0, G_MAXINT, - FALSE, - &type, NULL, &resources_length, - (void *) &resources)) - { - gdk_error_trap_pop (); - return default_dpi; - } - - gdk_display_sync (display); - gdk_error_trap_pop (); - - if (type != GDK_TARGET_STRING) - return default_dpi; - - if (resources == NULL) - return default_dpi; - - resource = strstr (resources, "Xft.dpi:\t"); - - if (resource == NULL) - return default_dpi; - - resource += sizeof ("Xft.dpi:\t") - 1; - - dpi = strtod (resource, &end); - - g_assert (end != NULL); - - if ((end == resource) || (*end != '\n')) - return default_dpi; - - g_free (resources); - - if (dpi < G_MINDOUBLE) - return default_dpi; - - return dpi; -} - -static void -greeter_canvas_text_init_layout (GreeterCanvasText *greeter_item) -{ - GnomeCanvasItem *item; - GnomeCanvasText *text; - - PangoContext *gtk_context, *context; - static PangoFT2FontMap *font_map; - gdouble dpi; - - item = GNOME_CANVAS_ITEM (greeter_item); - text = GNOME_CANVAS_TEXT (greeter_item); - - if (text->layout != NULL) - return; - - gtk_context = gtk_widget_get_pango_context (GTK_WIDGET (item->canvas)); - - if (font_map == NULL) - { - font_map = (PangoFT2FontMap *) pango_ft2_font_map_new (); - dpi = greeter_canvas_text_get_screen_dpi (greeter_item); - pango_ft2_font_map_set_resolution (font_map, dpi, dpi); - } - - context = pango_ft2_font_map_create_context (font_map); - - pango_context_set_language (context, - pango_context_get_language (gtk_context)); - pango_context_set_base_dir (context, - pango_context_get_base_dir (gtk_context)); - pango_context_set_font_description (context, - pango_context_get_font_description (gtk_context)); - - text->layout = pango_layout_new (context); - g_object_unref (context); -} - -static void -greeter_canvas_text_set_property (GObject *object, - guint param_id, - const GValue *value, - GParamSpec *pspec) -{ - switch (param_id) - { - case PROP_TEXT: - greeter_canvas_text_init_layout (GREETER_CANVAS_TEXT (object)); - g_object_set_property (object, "GnomeCanvasText::text", value); - break; - case PROP_MARKUP: - greeter_canvas_text_init_layout (GREETER_CANVAS_TEXT (object)); - g_object_set_property (object, "GnomeCanvasText::markup", value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - } -} - -static void -greeter_canvas_text_get_property (GObject *object, - guint param_id, - GValue *value, - GParamSpec *pspec) -{ - switch (param_id) - { - case PROP_TEXT: - g_object_get_property (object, "GnomeCanvasText::text", value); - break; - case PROP_MARKUP: - g_object_get_property (object, "GnomeCanvasText::markup", value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - } -} |