]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtklabel.c
Use the correct screen for getting the height. (Fix from Stephen Browne,
[~andy/gtk] / gtk / gtklabel.c
index 90b723038583712b332d5fba65771cc25cfdc2f3..2129b50e66dcd487f040e16bb95b212d0f07e568 100644 (file)
@@ -28,7 +28,6 @@
 #include "gtklabel.h"
 #include "gtkmain.h"
 #include "gtkmarshalers.h"
-#include "gtksignal.h"
 #include "gtkwindow.h"
 #include "gdk/gdkkeysyms.h"
 #include "gtkclipboard.h"
@@ -131,6 +130,8 @@ static void set_markup                           (GtkLabel      *label,
 static void gtk_label_recalculate                (GtkLabel      *label);
 static void gtk_label_hierarchy_changed          (GtkWidget     *widget,
                                                  GtkWidget     *old_toplevel);
+static void gtk_label_screen_changed             (GtkWidget     *widget,
+                                                 GdkScreen     *old_screen);
 
 static void gtk_label_create_window       (GtkLabel *label);
 static void gtk_label_destroy_window      (GtkLabel *label);
@@ -165,10 +166,10 @@ static gint gtk_label_move_backward_word (GtkLabel        *label,
 static GtkMiscClass *parent_class = NULL;
 
 
-GtkType
+GType
 gtk_label_get_type (void)
 {
-  static GtkType label_type = 0;
+  static GType label_type = 0;
   
   if (!label_type)
     {
@@ -185,7 +186,8 @@ gtk_label_get_type (void)
        (GInstanceInitFunc) gtk_label_init,
       };
 
-      label_type = g_type_register_static (GTK_TYPE_MISC, "GtkLabel", &label_info, 0);
+      label_type = g_type_register_static (GTK_TYPE_MISC, "GtkLabel",
+                                          &label_info, 0);
     }
   
   return label_type;
@@ -202,16 +204,16 @@ add_move_binding (GtkBindingSet  *binding_set,
   
   gtk_binding_entry_add_signal (binding_set, keyval, modmask,
                                "move_cursor", 3,
-                               GTK_TYPE_ENUM, step,
+                               G_TYPE_ENUM, step,
                                G_TYPE_INT, count,
-                                G_TYPE_BOOLEAN, FALSE);
+                               G_TYPE_BOOLEAN, FALSE);
 
   /* Selection-extending version */
   gtk_binding_entry_add_signal (binding_set, keyval, modmask | GDK_SHIFT_MASK,
                                "move_cursor", 3,
-                               GTK_TYPE_ENUM, step,
+                               G_TYPE_ENUM, step,
                                G_TYPE_INT, count,
-                                G_TYPE_BOOLEAN, TRUE);
+                               G_TYPE_BOOLEAN, TRUE);
 }
 
 static void
@@ -222,7 +224,7 @@ gtk_label_class_init (GtkLabelClass *class)
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
   GtkBindingSet *binding_set;
 
-  parent_class = gtk_type_class (GTK_TYPE_MISC);
+  parent_class = g_type_class_peek_parent (class);
   
   gobject_class->set_property = gtk_label_set_property;
   gobject_class->get_property = gtk_label_get_property;
@@ -244,6 +246,7 @@ gtk_label_class_init (GtkLabelClass *class)
   widget_class->button_release_event = gtk_label_button_release;
   widget_class->motion_notify_event = gtk_label_motion;
   widget_class->hierarchy_changed = gtk_label_hierarchy_changed;
+  widget_class->screen_changed = gtk_label_screen_changed;
   widget_class->mnemonic_activate = gtk_label_mnemonic_activate;
   widget_class->focus = gtk_label_focus;
 
@@ -251,30 +254,37 @@ gtk_label_class_init (GtkLabelClass *class)
   class->copy_clipboard = gtk_label_copy_clipboard;
   
   signals[MOVE_CURSOR] = 
-      gtk_signal_new ("move_cursor",
-                      GTK_RUN_LAST | GTK_RUN_ACTION,
-                      GTK_CLASS_TYPE (object_class),
-                      GTK_SIGNAL_OFFSET (GtkLabelClass, move_cursor),
-                      _gtk_marshal_VOID__ENUM_INT_BOOLEAN,
-                      GTK_TYPE_NONE, 3, GTK_TYPE_MOVEMENT_STEP, GTK_TYPE_INT, GTK_TYPE_BOOL);
+    g_signal_new ("move_cursor",
+                 G_OBJECT_CLASS_TYPE (gobject_class),
+                 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                 G_STRUCT_OFFSET (GtkLabelClass, move_cursor),
+                 NULL, NULL,
+                 _gtk_marshal_VOID__ENUM_INT_BOOLEAN,
+                 G_TYPE_NONE, 3,
+                 GTK_TYPE_MOVEMENT_STEP,
+                 G_TYPE_INT,
+                 G_TYPE_BOOLEAN);
   
   signals[COPY_CLIPBOARD] =
-    gtk_signal_new ("copy_clipboard",
-                    GTK_RUN_LAST | GTK_RUN_ACTION,
-                    GTK_CLASS_TYPE (object_class),
-                    GTK_SIGNAL_OFFSET (GtkLabelClass, copy_clipboard),
-                    _gtk_marshal_VOID__VOID,
-                    GTK_TYPE_NONE, 0);
+    g_signal_new ("copy_clipboard",
+                 G_OBJECT_CLASS_TYPE (gobject_class),
+                 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                 G_STRUCT_OFFSET (GtkLabelClass, copy_clipboard),
+                 NULL, NULL,
+                 _gtk_marshal_VOID__VOID,
+                 G_TYPE_NONE, 0);
   
   signals[POPULATE_POPUP] =
-    gtk_signal_new ("populate_popup",
-                   GTK_RUN_LAST,
-                   GTK_CLASS_TYPE (object_class),
-                   GTK_SIGNAL_OFFSET (GtkLabelClass, populate_popup),
-                   _gtk_marshal_VOID__OBJECT,
-                   GTK_TYPE_NONE, 1, GTK_TYPE_MENU);
-
-  g_object_class_install_property (G_OBJECT_CLASS(object_class),
+    g_signal_new ("populate_popup",
+                 G_OBJECT_CLASS_TYPE (gobject_class),
+                 G_SIGNAL_RUN_LAST,
+                 G_STRUCT_OFFSET (GtkLabelClass, populate_popup),
+                 NULL, NULL,
+                 _gtk_marshal_VOID__OBJECT,
+                 G_TYPE_NONE, 1,
+                 GTK_TYPE_MENU);
+
+  g_object_class_install_property (gobject_class,
                                    PROP_LABEL,
                                    g_param_spec_string ("label",
                                                         _("Label"),
@@ -539,8 +549,8 @@ gtk_label_get_property (GObject     *object,
     case PROP_CURSOR_POSITION:
       if (label->select_info)
        {
-         gint offset = g_utf8_pointer_to_offset (label->label,
-                                                 label->label + label->select_info->selection_end);
+         gint offset = g_utf8_pointer_to_offset (label->text,
+                                                 label->text + label->select_info->selection_end);
          g_value_set_int (value, offset);
        }
       else
@@ -549,8 +559,8 @@ gtk_label_get_property (GObject     *object,
     case PROP_SELECTION_BOUND:
       if (label->select_info)
        {
-         gint offset = g_utf8_pointer_to_offset (label->label,
-                                                 label->label + label->select_info->selection_anchor);
+         gint offset = g_utf8_pointer_to_offset (label->text,
+                                                 label->text + label->select_info->selection_anchor);
          g_value_set_int (value, offset);
        }
       else
@@ -601,7 +611,7 @@ gtk_label_new (const gchar *str)
 {
   GtkLabel *label;
   
-  label = gtk_type_new (GTK_TYPE_LABEL);
+  label = g_object_new (GTK_TYPE_LABEL, NULL);
 
   if (str && *str)
     gtk_label_set_text (label, str);
@@ -637,7 +647,7 @@ gtk_label_new_with_mnemonic (const gchar *str)
 {
   GtkLabel *label;
   
-  label = gtk_type_new (GTK_TYPE_LABEL);
+  label = g_object_new (GTK_TYPE_LABEL, NULL);
 
   if (str && *str)
     gtk_label_set_text_with_mnemonic (label, str);
@@ -712,12 +722,25 @@ gtk_label_hierarchy_changed (GtkWidget *widget,
 {
   GtkLabel *label = GTK_LABEL (widget);
 
-  /* in case the label has been reparented to another screen */
-  gtk_label_clear_layout (label);
-  
   gtk_label_setup_mnemonic (label, label->mnemonic_keyval);
 }
 
+static void
+gtk_label_screen_changed (GtkWidget *widget,
+                         GdkScreen *old_screen)
+{
+  gtk_label_clear_layout (GTK_LABEL (widget));
+}
+
+static void
+label_mnemonic_widget_weak_notify (gpointer      data,
+                                  GObject      *where_the_object_was)
+{
+  GtkLabel *label = data;
+
+  label->mnemonic_widget = NULL;
+  g_object_notify (G_OBJECT (label), "mnemonic_widget");
+}
 
 /**
  * gtk_label_set_mnemonic_widget:
@@ -747,10 +770,14 @@ gtk_label_set_mnemonic_widget (GtkLabel  *label,
     g_return_if_fail (GTK_IS_WIDGET (widget));
 
   if (label->mnemonic_widget)
-    gtk_widget_unref (label->mnemonic_widget);
+    g_object_weak_unref (G_OBJECT (label->mnemonic_widget),
+                        label_mnemonic_widget_weak_notify,
+                        label);
   label->mnemonic_widget = widget;
   if (label->mnemonic_widget)
-    gtk_widget_ref (label->mnemonic_widget);
+    g_object_weak_ref (G_OBJECT (label->mnemonic_widget),
+                      label_mnemonic_widget_weak_notify,
+                      label);
   
   g_object_notify (G_OBJECT (label), "mnemonic_widget");
 }
@@ -1308,7 +1335,7 @@ gtk_label_finalize (GObject *object)
   g_free (label->text);
 
   if (label->layout)
-    g_object_unref (G_OBJECT (label->layout));
+    g_object_unref (label->layout);
 
   if (label->attrs)
     pango_attr_list_unref (label->attrs);
@@ -1326,7 +1353,7 @@ gtk_label_clear_layout (GtkLabel *label)
 {
   if (label->layout)
     {
-      g_object_unref (G_OBJECT (label->layout));
+      g_object_unref (label->layout);
       label->layout = NULL;
     }
 }
@@ -1851,8 +1878,10 @@ gtk_label_set_uline_text_internal (GtkLabel    *label,
   g_return_if_fail (GTK_IS_LABEL (label));
   g_return_if_fail (str != NULL);
 
-  /* Convert text to wide characters */
-
+  /* Split text into the base text and a separate pattern
+   * of underscores.
+   */
+  
   new_str = g_new (gchar, strlen (str) + 1);
   pattern = g_new (gchar, g_utf8_strlen (str, -1) + 1);
   
@@ -2167,7 +2196,7 @@ gtk_label_button_press (GtkWidget      *widget,
 
       if (event->type == GDK_3BUTTON_PRESS)
        {
-         gtk_label_select_region_index (label, 0, strlen (label->label));
+         gtk_label_select_region_index (label, 0, strlen (label->text));
          return TRUE;
        }
       
@@ -2207,7 +2236,7 @@ gtk_label_button_press (GtkWidget      *widget,
       else
        {
          if (event->type == GDK_3BUTTON_PRESS)
-             gtk_label_select_region_index (label, 0, strlen (label->label));
+             gtk_label_select_region_index (label, 0, strlen (label->text));
          else if (event->type == GDK_2BUTTON_PRESS)
              gtk_label_select_word (label);
          else 
@@ -2799,10 +2828,10 @@ gtk_label_move_logically (GtkLabel *label,
                          gint      start,
                          gint      count)
 {
-  gint offset = g_utf8_pointer_to_offset (label->label,
-                                         label->label + start);
+  gint offset = g_utf8_pointer_to_offset (label->text,
+                                         label->text + start);
 
-  if (label->label)
+  if (label->text)
     {
       PangoLogAttr *log_attrs;
       gint n_attrs;
@@ -2810,7 +2839,7 @@ gtk_label_move_logically (GtkLabel *label,
 
       gtk_label_ensure_layout (label);
       
-      length = g_utf8_strlen (label->label, -1);
+      length = g_utf8_strlen (label->text, -1);
 
       pango_layout_get_log_attrs (label->layout, &log_attrs, &n_attrs);
 
@@ -2834,7 +2863,7 @@ gtk_label_move_logically (GtkLabel *label,
       g_free (log_attrs);
     }
 
-  return g_utf8_offset_to_pointer (label->label, offset) - label->label;
+  return g_utf8_offset_to_pointer (label->text, offset) - label->text;
 }
 
 static gint
@@ -2887,7 +2916,7 @@ gtk_label_move_visually (GtkLabel *label,
       index = new_index;
       
       while (new_trailing--)
-       index = g_utf8_next_char (label->label + new_index) - label->label;
+       index = g_utf8_next_char (label->text + new_index) - label->text;
     }
   
   return index;
@@ -2897,11 +2926,11 @@ static gint
 gtk_label_move_forward_word (GtkLabel *label,
                             gint      start)
 {
-  gint new_pos = g_utf8_pointer_to_offset (label->label,
-                                          label->label + start);
+  gint new_pos = g_utf8_pointer_to_offset (label->text,
+                                          label->text + start);
   gint length;
 
-  length = g_utf8_strlen (label->label, -1);
+  length = g_utf8_strlen (label->text, -1);
   if (new_pos < length)
     {
       PangoLogAttr *log_attrs;
@@ -2919,7 +2948,7 @@ gtk_label_move_forward_word (GtkLabel *label,
       g_free (log_attrs);
     }
 
-  return g_utf8_offset_to_pointer (label->label, new_pos) - label->label;
+  return g_utf8_offset_to_pointer (label->text, new_pos) - label->text;
 }
 
 
@@ -2927,11 +2956,11 @@ static gint
 gtk_label_move_backward_word (GtkLabel *label,
                              gint      start)
 {
-  gint new_pos = g_utf8_pointer_to_offset (label->label,
-                                          label->label + start);
+  gint new_pos = g_utf8_pointer_to_offset (label->text,
+                                          label->text + start);
   gint length;
 
-  length = g_utf8_strlen (label->label, -1);
+  length = g_utf8_strlen (label->text, -1);
   
   if (new_pos > 0)
     {
@@ -2951,7 +2980,7 @@ gtk_label_move_backward_word (GtkLabel *label,
       g_free (log_attrs);
     }
 
-  return g_utf8_offset_to_pointer (label->label, new_pos) - label->label;
+  return g_utf8_offset_to_pointer (label->text, new_pos) - label->text;
 }
 
 static void
@@ -3004,7 +3033,7 @@ gtk_label_move_cursor (GtkLabel       *label,
        case GTK_MOVEMENT_PARAGRAPH_ENDS:
        case GTK_MOVEMENT_BUFFER_ENDS:
          /* FIXME: Can do better here */
-         new_pos = count < 0 ? 0 : strlen (label->label);
+         new_pos = count < 0 ? 0 : strlen (label->text);
          break;
        case GTK_MOVEMENT_DISPLAY_LINES:
        case GTK_MOVEMENT_PARAGRAPHS:
@@ -3038,7 +3067,7 @@ gtk_label_move_cursor (GtkLabel       *label,
        case GTK_MOVEMENT_PARAGRAPH_ENDS:
        case GTK_MOVEMENT_BUFFER_ENDS:
          /* FIXME: Can do better here */
-         new_pos = count < 0 ? 0 : strlen (label->label);
+         new_pos = count < 0 ? 0 : strlen (label->text);
          break;
        case GTK_MOVEMENT_DISPLAY_LINES:
        case GTK_MOVEMENT_PARAGRAPHS:
@@ -3086,7 +3115,7 @@ gtk_label_copy_clipboard (GtkLabel *label)
 static void
 gtk_label_select_all (GtkLabel *label)
 {
-  gtk_label_select_region_index (label, 0, strlen (label->label));
+  gtk_label_select_region_index (label, 0, strlen (label->text));
 }
 
 /* Quick hack of a popup menu
@@ -3095,8 +3124,8 @@ static void
 activate_cb (GtkWidget *menuitem,
             GtkLabel  *label)
 {
-  const gchar *signal = gtk_object_get_data (GTK_OBJECT (menuitem), "gtk-signal");
-  gtk_signal_emit_by_name (GTK_OBJECT (label), signal);
+  const gchar *signal = g_object_get_data (G_OBJECT (menuitem), "gtk-signal");
+  g_signal_emit_by_name (label, signal);
 }
 
 static void
@@ -3108,9 +3137,9 @@ append_action_signal (GtkLabel     *label,
 {
   GtkWidget *menuitem = gtk_image_menu_item_new_from_stock (stock_id, NULL);
 
-  gtk_object_set_data (GTK_OBJECT (menuitem), "gtk-signal", (char *)signal);
-  gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
-                     GTK_SIGNAL_FUNC (activate_cb), label);
+  g_object_set_data (G_OBJECT (menuitem), "gtk-signal", (char *)signal);
+  g_signal_connect (menuitem, "activate",
+                   G_CALLBACK (activate_cb), label);
 
   gtk_widget_set_sensitive (menuitem, sensitive);
   
@@ -3193,8 +3222,8 @@ gtk_label_do_popup (GtkLabel       *label,
                         FALSE);
   
   menuitem = gtk_menu_item_new_with_label (_("Select All"));
-  gtk_signal_connect_object (GTK_OBJECT (menuitem), "activate",
-                            GTK_SIGNAL_FUNC (gtk_label_select_all), label);
+  g_signal_connect_swapped (menuitem, "activate",
+                           G_CALLBACK (gtk_label_select_all), label);
   gtk_widget_show (menuitem);
   gtk_menu_shell_append (GTK_MENU_SHELL (label->select_info->popup_menu), menuitem);
 
@@ -3208,9 +3237,10 @@ gtk_label_do_popup (GtkLabel       *label,
   gtk_widget_set_sensitive (menuitem, FALSE);
   gtk_menu_shell_append (GTK_MENU_SHELL (label->select_info->popup_menu), menuitem);
 
-  gtk_signal_emit (GTK_OBJECT (label),
-                   signals[POPULATE_POPUP],
-                   label->select_info->popup_menu);
+  g_signal_emit (label,
+                signals[POPULATE_POPUP],
+                0,
+                label->select_info->popup_menu);
   
   if (event)
     gtk_menu_popup (GTK_MENU (label->select_info->popup_menu), NULL, NULL,