cairo: Add support for png and trim.

[pspp] / src / ui / gui / psppire-variable-sheet.c

diff --git a/src/ui/gui/psppire-variable-sheet.c b/src/ui/gui/psppire-variable-sheet.c
index 41c428fffc2c2708f9e98331f182d72872863e5f..b0fcbfca909b52375f0757711a2154dfba6bdbd3 100644 (file)
--- a/src/ui/gui/psppire-variable-sheet.c
+++ b/src/ui/gui/psppire-variable-sheet.c
@@ -1,5 +1,5 @@
 /* PSPPIRE - a graphical user interface for PSPP.
-   Copyright (C) 2017  John Darrington
+   Copyright (C) 2017, 2020  Free Software Foundation
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -248,6 +248,13 @@ delete_variables (SswSheet *sheet)
   PsppireDict *dict = NULL;
   g_object_get (sheet, "data-model", &dict, NULL);
 
+  if (range->start_x > range->end_x)
+    {
+      gint temp = range->start_x;
+      range->start_x = range->end_x;
+      range->end_x = temp;
+    }
+
   psppire_dict_delete_variables (dict, range->start_y,
                                 (range->end_y - range->start_y + 1));
 
@@ -259,6 +266,10 @@ create_var_row_header_popup_menu (PsppireVariableSheet *var_sheet)
 {
   GtkWidget *menu = gtk_menu_new ();
 
+  /* gtk_menu_shell_append does not sink/ref this object,
+     so we must do it ourselves (and remember to unref it).  */
+  g_object_ref_sink (menu);
+
   GtkWidget *item =
     gtk_menu_item_new_with_mnemonic  (_("_Insert Variable"));
   g_signal_connect_swapped (item, "activate", G_CALLBACK (insert_new_variable_var),
@@ -425,6 +436,7 @@ psppire_variable_sheet_dispose (GObject *obj)
   g_object_unref (sheet->value_label_renderer);
   g_object_unref (sheet->missing_values_renderer);
   g_object_unref (sheet->var_type_renderer);
+  g_object_unref (sheet->row_popup);
 
   /* Chain up to the parent class */
   G_OBJECT_CLASS (parent_class)->dispose (obj);
@@ -443,33 +455,42 @@ psppire_variable_sheet_finalize (GObject *object)
     (*G_OBJECT_CLASS (parent_class)->finalize) (object);
 }
 
+static void
+psppire_variable_sheet_realize (GtkWidget *widget)
+{
+  /* This is a kludge.  These are properties from the parent class.
+     They should really be set immediately after initialisation, but there is no
+     simple way to do that.  */
+  g_object_set (widget,
+                "editable", TRUE,
+                "select-renderer-func", select_renderer_func,
+                "vertical-draggable", TRUE,
+                "forward-conversion", var_sheet_data_to_string,
+                NULL);
+
+  if (GTK_WIDGET_CLASS (parent_class)->realize)
+    (*GTK_WIDGET_CLASS (parent_class)->realize) (widget);
+}
+
+
 static void
 psppire_variable_sheet_class_init (PsppireVariableSheetClass *class)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (class);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+
   object_class->dispose = psppire_variable_sheet_dispose;
 
   parent_class = g_type_class_peek_parent (class);
 
+  widget_class->realize = psppire_variable_sheet_realize;
   object_class->finalize = psppire_variable_sheet_finalize;
 }
 
 GtkWidget*
 psppire_variable_sheet_new (void)
 {
-  PsppireVarSheetHeader *vsh =
-    g_object_new (PSPPIRE_TYPE_VAR_SHEET_HEADER, NULL);
-
-  GObject *obj =
-    g_object_new (PSPPIRE_TYPE_VARIABLE_SHEET,
-                 "select-renderer-func", select_renderer_func,
-                 "hmodel", vsh,
-                 "forward-conversion", var_sheet_data_to_string,
-                 "editable", TRUE,
-                 "vertical-draggable", TRUE,
-                 NULL);
-
-  return GTK_WIDGET (obj);
+  return g_object_new (PSPPIRE_TYPE_VARIABLE_SHEET, NULL);
 }
 
 static void
@@ -586,7 +607,6 @@ psppire_variable_sheet_init (PsppireVariableSheet *sheet)
 
   sheet->row_popup = create_var_row_header_popup_menu (sheet);
 
-
   g_signal_connect (sheet, "selection-changed",
                    G_CALLBACK (set_var_popup_sensitivity), sheet);
 
@@ -598,4 +618,11 @@ psppire_variable_sheet_init (PsppireVariableSheet *sheet)
 
   g_signal_connect (sheet, "row-moved",
                    G_CALLBACK (move_variable), NULL);
+
+  PsppireVarSheetHeader *vsh =
+    g_object_new (PSPPIRE_TYPE_VAR_SHEET_HEADER, NULL);
+
+  g_object_set (sheet,
+                "hmodel", vsh,
+                NULL);
 }