Bug 795389 - Hard to see figures in the budget window

The budget view had hard coded black for normal values and dark grey for
other values. Changed this so normal values are reset to default color
and adjusted the grey based on default color for theme.

gnucash/gnome/gnc-budget-view.c

@@ -51,6 +51,7 @@
 #include "dialog-utils.h"
 #include "gnc-gnome-utils.h"
 #include "gnc-gobject-utils.h"
+#include "gnc-gtk-utils.h"
 #include "gnc-icons.h"
 
 #include "gnc-session.h"
@@ -811,21 +812,23 @@ gbv_get_accumulated_budget_amount(GncBudget* budget, Account* account, guint per
 
 /** \brief Calculates and displays budget amount for a period in a defined account.
 
-Displays budget amount for a period for an account.  If a budget
-   amount is set, it is displayed in black.  If no budget amount is
-   set and the account has children, the total of the children's
+   Displays budget amount for a period for an account.  If a budget
+   amount is set, it is displayed in the default color.  If no budget
+   amount is set and the account has children, the total of the children's
    budget amounts (if any) is displayed in dark grey.
 */
 static gchar *
 budget_col_source(Account *account, GtkTreeViewColumn *col,
                   GtkCellRenderer *cell)
 {
+    GtkTreeView *bview;
     GncBudget *budget;
     guint period_num;
     gnc_numeric numeric;
     gchar amtbuff[100]; //FIXME: overkill, where's the #define?
 
     budget = GNC_BUDGET(g_object_get_data(G_OBJECT(col), "budget"));
+    bview = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(col), "budget_view"));
     period_num = GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(col),
                                   "period_num"));
 
@@ -837,10 +840,17 @@ budget_col_source(Account *account, GtkTreeViewColumn *col,
         }
         else
         {
+            GdkRGBA color;
+            GtkStyleContext *stylectxt = gtk_widget_get_style_context (GTK_WIDGET(bview));
+            gtk_style_context_get_color (stylectxt, GTK_STATE_FLAG_NORMAL, &color);
+
             numeric = gbv_get_accumulated_budget_amount(budget, account, period_num);
             xaccSPrintAmount(amtbuff, numeric,
                              gnc_account_print_info(account, FALSE));
-            g_object_set(cell, "foreground", "dark gray", NULL);
+            if (gnc_is_dark_theme (&color))
+                g_object_set(cell, "foreground", "darkgray", NULL);
+            else
+                g_object_set(cell, "foreground", "dimgray", NULL);
         }
     }
     else
@@ -855,7 +865,7 @@ budget_col_source(Account *account, GtkTreeViewColumn *col,
         {
             xaccSPrintAmount(amtbuff, numeric,
                              gnc_account_print_info(account, FALSE));
-            g_object_set(cell, "foreground", "black", NULL);
+            g_object_set(cell, "foreground", NULL, NULL);
         }
     }
     return g_strdup(amtbuff);
@@ -1032,21 +1042,21 @@ totals_col_source(GtkTreeViewColumn *col, GtkCellRenderer *cell,
     	// FIXME: There must be a better way to get the GncAccountPrintInfo object than this. Would prefer to depreciate the tracking of top level accounts.
         xaccSPrintAmount(amtbuff, totalincome,
                          gnc_account_print_info(priv->income, FALSE));
-        g_object_set(cell, "foreground", "black", NULL);
+        g_object_set(cell, "foreground", NULL, NULL);
     }
     else if (row_type == TOTALS_TYPE_EXPENSES)
     {
        
         xaccSPrintAmount(amtbuff, totalexpenses,
                          gnc_account_print_info(priv->expenses, FALSE));
-        g_object_set(cell, "foreground", "black", NULL);
+        g_object_set(cell, "foreground", NULL, NULL);
     }
     else if (row_type == TOTALS_TYPE_TRANSFERS)
     {
     	
         xaccSPrintAmount(amtbuff, gnc_numeric_sub(totalassets, totalliabilities, GNC_DENOM_AUTO, GNC_HOW_DENOM_LCD),
                          gnc_account_print_info(priv->assets, FALSE));
-        g_object_set(cell, "foreground", "black", NULL);
+        g_object_set(cell, "foreground", NULL, NULL);
     }
     else if (row_type == TOTALS_TYPE_TOTAL)
     {
@@ -1061,7 +1071,7 @@ totals_col_source(GtkTreeViewColumn *col, GtkCellRenderer *cell,
         }
         else
         {
-            g_object_set(cell, "foreground", "black", NULL);
+            g_object_set(cell, "foreground", NULL, NULL);
         }
     }
     else
@@ -1215,6 +1225,7 @@ gnc_budget_view_refresh(GncBudgetView *view)
                   GNC_TREE_VIEW_ACCOUNT(priv->tree_view), "",
                   budget_col_source, budget_col_edited);
         g_object_set_data(G_OBJECT(col), "budget", priv->budget);
+        g_object_set_data(G_OBJECT(col), "budget_view", priv->tree_view);
         g_object_set_data(G_OBJECT(col), "period_num",
                           GUINT_TO_POINTER(num_periods_visible));
         col_list = g_list_append(col_list, col);