Add css style context to various widgets so they can easily be changed

With the use of css, there is the ability to change the appearance of
the widgets to the users preference.

src/gnome-utils/assistant-xml-encoding.c

@@ -1188,6 +1188,10 @@ gxi_edit_encodings_clicked_cb (GtkButton *button, GncXmlImportData *data)
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "encodings_dialog"));
     data->encodings_dialog = dialog;
 
+
+    // Set the style context for this assistant so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncAssistXmlEncoding");
+
     gtk_builder_connect_signals_full (builder, gnc_builder_connect_full_func, data);
 
     gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (data->assistant));

src/gnome-utils/dialog-account.c

@@ -1320,6 +1320,9 @@ gnc_account_window_create(AccountWindow *aw)
     aw->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "account_dialog"));
     awo = G_OBJECT (aw->dialog);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(aw->dialog), "GncAccountDialog");
+
     g_object_set_data (awo, "dialog_info", aw);
 
     if (!aw->modal)

src/gnome-utils/dialog-book-close.c

@@ -340,6 +340,9 @@ void gnc_ui_close_book (QofBook* book)
     gnc_builder_add_from_file (builder, "dialog-book-close.glade", "close_book_dialog");
     cbw->dialog = GTK_WIDGET(gtk_builder_get_object (builder,  "close_book_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(cbw->dialog), "GncBookCloseDialog");
+
     PINFO("Closed Book Window is %p, Dialog is %p", cbw, cbw->dialog);
 
     /* close date */

src/gnome-utils/dialog-commodity.c

@@ -266,6 +266,9 @@ gnc_ui_select_commodity_create(const gnc_commodity * orig_sel,
     retval->ok_button = GTK_WIDGET(gtk_builder_get_object (builder, "ss_ok_button"));
     label = GTK_WIDGET(gtk_builder_get_object (builder, "item_label"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(retval->dialog), "GncSecurityDialog");
+
     gnc_cbwe_require_list_item(GTK_COMBO_BOX(retval->namespace_combo));
     gnc_cbwe_require_list_item(GTK_COMBO_BOX(retval->commodity_combo));
 
@@ -966,8 +969,13 @@ gnc_ui_build_commodity_dialog(const char * selected_namespace,
     gtk_builder_connect_signals_full (builder, gnc_builder_connect_full_func, retval);
 
     retval->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "security_dialog"));
+
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(retval->dialog), "GncSecurityDialog");
+
     if (parent != NULL)
         gtk_window_set_transient_for (GTK_WINDOW (retval->dialog), GTK_WINDOW (parent));
+
     retval->edit_commodity = NULL;
 
     help_button = GTK_WIDGET(gtk_builder_get_object (builder, "help_button"));

src/gnome-utils/dialog-dup-trans.c

@@ -108,6 +108,9 @@ gnc_dup_trans_dialog_create (GtkWidget * parent, DupTransDialog *dt_dialog,
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "duplicate_transaction_dialog"));
     dt_dialog->dialog = dialog;
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncDupTransDialog");
+
     /* parent */
     if (parent != NULL)
         gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (parent));

src/gnome-utils/dialog-file-access.c

@@ -277,6 +277,9 @@ gnc_ui_file_access( int type )
     faw->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "file_access_dialog" ));
     g_object_set_data_full( G_OBJECT(faw->dialog), "FileAccessWindow", faw, g_free );
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(faw->dialog), "GncFileAccessDialog");
+
     faw->frame_file = GTK_WIDGET(gtk_builder_get_object (builder, "frame_file" ));
     faw->frame_database = GTK_WIDGET(gtk_builder_get_object (builder, "frame_database" ));
     faw->readonly_checkbutton = GTK_WIDGET(gtk_builder_get_object (builder, "readonly_checkbutton"));

src/gnome-utils/dialog-object-references.c

@@ -54,6 +54,9 @@ gnc_ui_object_references_show( const gchar* explanation_text, GList* objlist )
     gnc_builder_add_from_file (builder, "dialog-object-references.glade", "object_references_dialog" );
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "object_references_dialog" ));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncObjectRefDialog");
+
     explanation = GTK_LABEL(gtk_builder_get_object (builder, "lbl_explanation" ));
     gtk_label_set_text( explanation, explanation_text );
 

src/gnome-utils/dialog-options.c

@@ -1728,6 +1728,9 @@ gnc_options_dialog_new_modal(gboolean modal, gchar *title)
     retval->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "gnucash_options_dialog"));
     retval->page_list = GTK_WIDGET(gtk_builder_get_object (builder, "page_list_scroll"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(retval->dialog), "GncOptionsDialog");
+
     /* Page List */
     {
         GtkTreeView *view;

src/gnome-utils/dialog-preferences.c

@@ -1267,6 +1267,9 @@ gnc_preferences_dialog_create(void)
 
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "gnucash_preferences_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncPreferenceDialog");
+
 #ifndef REGISTER2_ENABLED
     /* Hide preferences that are related to register2 */
     box = GTK_WIDGET (gtk_builder_get_object (builder, "label14"));

src/gnome-utils/dialog-query-view.c

@@ -192,6 +192,9 @@ gnc_dialog_query_view_new (GList *param_list, Query *q)
     dqv->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "query_view_dialog"));
     g_object_set_data (G_OBJECT (dqv->dialog), "dialog-info", dqv);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dqv->dialog), "GncQueryViewDialog");
+
     /* grab the widgets */
     dqv->label = GTK_WIDGET(gtk_builder_get_object (builder, "dialog_label"));
     result_hbox = GTK_WIDGET(gtk_builder_get_object (builder, "result_hbox"));

src/gnome-utils/dialog-reset-warnings.c

@@ -381,6 +381,9 @@ gnc_reset_warnings_dialog (GtkWindow *parent)
     gnc_builder_add_from_file (builder, "dialog-reset-warnings.glade", "reset_warnings_dialog");
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "reset_warnings_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncResetWarningsDialog");
+
     gtk_window_set_transient_for(GTK_WINDOW (dialog), parent);
 
     rw_dialog->dialog = dialog;

src/gnome-utils/dialog-tax-table.c

@@ -233,6 +233,10 @@ new_tax_table_dialog (TaxTableWindow *ttw, gboolean new_table,
     gnc_builder_add_from_file (builder, "dialog-tax-table.glade", "new_tax_table_dialog");
 
     ntt->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "new_tax_table_dialog"));
+
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(ntt->dialog), "GncTaxTableDialog");
+
     ntt->name_entry = GTK_WIDGET(gtk_builder_get_object (builder, "name_entry"));
     if (name)
         gtk_entry_set_text (GTK_ENTRY (ntt->name_entry), name);
@@ -712,6 +716,9 @@ gnc_ui_tax_table_window_new (QofBook *book)
     ttw->names_view = GTK_WIDGET(gtk_builder_get_object (builder, "tax_tables_view"));
     ttw->entries_view = GTK_WIDGET(gtk_builder_get_object (builder, "tax_table_entries"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(ttw->dialog), "GncTaxTableDialog");
+
     /* Create the tax tables view */
     view = GTK_TREE_VIEW(ttw->names_view);
     store = gtk_list_store_new (NUM_TAX_TABLE_COLS, G_TYPE_STRING,

src/gnome-utils/dialog-totd.c

@@ -336,6 +336,9 @@ gnc_totd_dialog (GtkWindow *parent, gboolean startup)
     dialog  = GTK_WIDGET(gtk_builder_get_object (builder, "totd_dialog"));
     gtk_window_set_transient_for(GTK_WINDOW (dialog), parent);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncTotdDialog");
+
     totd_dialog->dialog = dialog;
 
     ENTER("totd_dialog %p, dialog %p", totd_dialog, dialog);

src/gnome-utils/dialog-transfer.c

@@ -1867,6 +1867,9 @@ gnc_xfer_dialog_create(GtkWidget *parent, XferDialog *xferData)
     xferData->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "transfer_dialog"));
     g_object_set_data_full (G_OBJECT (xferData->dialog), "builder", builder, g_object_unref);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(xferData->dialog), "GncTransferDialog");
+
     /* parent */
     if (parent != NULL)
         gtk_window_set_transient_for (GTK_WINDOW (xferData->dialog), GTK_WINDOW (parent));

src/gnome-utils/dialog-userpass.c

@@ -51,6 +51,9 @@ gnc_get_username_password (GtkWidget *parent,
 
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "username_password_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncUserPassDialog");
+
     if (parent)
         gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (parent));
 

src/gnome-utils/gnc-account-sel.c

@@ -35,6 +35,7 @@
 #include "gnc-ui-util.h"
 #include "qof.h"
 #include "gnc-session.h"
+#include "dialog-utils.h"
 
 #define ACCT_DATA_TAG "gnc-account-sel_acct"
 
@@ -154,6 +155,9 @@ gnc_account_sel_init (GNCAccountSel *gas)
 
     g_object_set(gas, "spacing", 2, (gchar*)NULL);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gas), "GncAccountSel");
+
     gas->store = gtk_list_store_new(NUM_ACCT_COLS, G_TYPE_STRING, G_TYPE_POINTER);
     widget = gtk_combo_box_new_with_model_and_entry(GTK_TREE_MODEL(gas->store));
     gas->combo = GTK_COMBO_BOX(widget);

src/gnome-utils/gnc-amount-edit.c

@@ -42,6 +42,7 @@
 #include "gnc-locale-utils.h"
 #include "gnc-ui-util.h"
 #include "qof.h"
+#include "dialog-utils.h"
 
 #ifdef G_OS_WIN32
 # include <gdk/gdkwin32.h>
@@ -139,6 +140,9 @@ gnc_amount_edit_init (GNCAmountEdit *gae)
     gae->fraction = 0;
     gae->evaluate_on_enter = FALSE;
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gae), "GncAmountEdit");
+
     g_signal_connect (G_OBJECT (gae), "changed",
                       G_CALLBACK (gnc_amount_edit_changed), NULL);
 }

src/gnome-utils/gnc-autosave.c

@@ -34,6 +34,7 @@
 #include "gnc-prefs.h"
 #include "gnc-main-window.h"
 #include "gnc-gui-query.h"
+#include "dialog-utils.h"
 
 #define GNC_PREF_AUTOSAVE_SHOW_EXPLANATION "autosave-show-explanation"
 #define GNC_PREF_AUTOSAVE_INTERVAL         "autosave-interval-minutes"
@@ -96,6 +97,10 @@ static gboolean autosave_confirm(GtkWidget *toplevel)
                                GTK_BUTTONS_NONE,
                                "%s",
                                _("Save file automatically?"));
+
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncAutoSaveDialog");
+
     gtk_message_dialog_format_secondary_text
     (GTK_MESSAGE_DIALOG(dialog),
      ngettext("Your data file needs to be saved to your hard disk to save your changes. "

src/gnome-utils/gnc-combott.c

@@ -215,6 +215,9 @@ gctt_init (GncCombott *combott)
 
     gtk_orientable_set_orientation (GTK_ORIENTABLE(combott), GTK_ORIENTATION_HORIZONTAL);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(combott), "GncCombott");
+
     priv->active = 0;
     priv->text_col = 0;
     priv->tip_col = 1;

src/gnome-utils/gnc-currency-edit.c

@@ -68,6 +68,7 @@
 #include "gnc-gtk-utils.h"
 #include "gnc-ui-util.h"
 #include "gnc-engine.h"
+#include "dialog-utils.h"
 
 /** The debugging module used by this file. */
 static QofLogModule log_module = GNC_MOD_GUI;
@@ -226,6 +227,9 @@ gnc_currency_edit_class_init (GNCCurrencyEditClass *klass)
 static void
 gnc_currency_edit_init (GNCCurrencyEdit *gce)
 {
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gce), "GncCurrencyEdit");
+
     g_signal_connect (gce, "notify::mnemonic",
                       G_CALLBACK (gnc_currency_edit_mnemonic_changed), gce);
     g_signal_connect (gce, "changed",

src/gnome-utils/gnc-date-delta.c

@@ -43,6 +43,7 @@
 
 #include "gnc-date.h"
 #include "gnc-date-delta.h"
+#include "dialog-utils.h"
 
 #define GDD_LABEL "gdd"
 
@@ -161,6 +162,9 @@ gnc_date_delta_init (GNCDateDelta *gdd)
 {
     gtk_orientable_set_orientation (GTK_ORIENTABLE(gdd), GTK_ORIENTATION_HORIZONTAL);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gdd), "GncDateDelta");
+
     gdd->value_spin = NULL;
     gdd->units_combo = NULL;
     gdd->polarity_combo = NULL;

src/gnome-utils/gnc-date-edit.c

@@ -671,6 +671,9 @@ gnc_date_edit_init (GNCDateEdit *gde)
 {
     gtk_orientable_set_orientation (GTK_ORIENTABLE(gde), GTK_ORIENTATION_HORIZONTAL);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gde), "GncDateEdit");
+
     gde->disposed = FALSE;
     gde->popup_in_progress = FALSE;
     gde->lower_hour = 7;

src/gnome-utils/gnc-date-format.c

@@ -160,6 +160,9 @@ gnc_date_format_init (GNCDateFormat *gdf)
 
     gtk_orientable_set_orientation (GTK_ORIENTABLE(gdf), GTK_ORIENTATION_HORIZONTAL);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gdf), "GncDateFormat");
+
     /* Open up the Glade and set the signals */
     builder = gtk_builder_new();
     gnc_builder_add_from_file (builder, "gnc-date-format.glade", "format-liststore");

src/gnome-utils/gnc-dense-cal.c

@@ -31,6 +31,7 @@
 #include <math.h>
 #include <stdlib.h>
 #include <gnc-gdate-utils.h>
+#include "dialog-utils.h"
 
 /**
  * Marking ...
@@ -261,13 +262,12 @@ _gdc_get_view_options(void)
 static void
 gnc_dense_cal_init(GncDenseCal *dcal)
 {
-    GtkStyleContext *context;
     gboolean colorAllocSuccess[MAX_COLORS];
 
     gtk_orientable_set_orientation (GTK_ORIENTABLE(dcal), GTK_ORIENTATION_VERTICAL);
 
-    context = gtk_widget_get_style_context (GTK_WIDGET(dcal));
-    gtk_style_context_add_class (context,"GncDenseCal");
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dcal), "GncDenseCal");
 
     {
         GtkTreeModel *options;

src/gnome-utils/gnc-embedded-window.c

@@ -38,6 +38,7 @@
 #include "gnc-plugin-manager.h"
 #include "gnc-ui.h"
 #include "gnc-window.h"
+#include "dialog-utils.h"
 
 /* Static Globals *******************************************************/
 
@@ -239,6 +240,9 @@ gnc_embedded_window_init (GncEmbeddedWindow *window,
 
     gtk_orientable_set_orientation (GTK_ORIENTABLE(window), GTK_ORIENTATION_VERTICAL);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(window), "GncEmbededWindow");
+
     gnc_embedded_window_setup_window (window);
 
     gnc_gobject_tracking_remember(G_OBJECT(window),

src/gnome-utils/gnc-file.c

@@ -170,6 +170,9 @@ gnc_file_dialog (const char * title,
 
     response = gtk_dialog_run(GTK_DIALOG(file_box));
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(file_box), "GncFileDialog");
+
     if (response == GTK_RESPONSE_ACCEPT)
     {
         /* look for constructs like postgres://foo */

src/gnome-utils/gnc-frequency.c

@@ -203,6 +203,9 @@ gnc_frequency_init(GncFrequency *gf)
 
     gtk_orientable_set_orientation (GTK_ORIENTABLE(gf), GTK_ORIENTATION_VERTICAL);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gf), "GncFrequency");
+
     builder = gtk_builder_new();
     gnc_builder_add_from_file  (builder , "gnc-frequency.glade", "adjustment1");
     gnc_builder_add_from_file  (builder , "gnc-frequency.glade", "adjustment2");

src/gnome-utils/gnc-general-select.c

@@ -37,6 +37,7 @@
 #include <stdio.h>
 
 #include "gnc-general-select.h"
+#include "dialog-utils.h"
 
 /* Signal codes */
 enum
@@ -144,6 +145,9 @@ gnc_general_select_init (GNCGeneralSelect *gsl)
 {
     gtk_orientable_set_orientation (GTK_ORIENTABLE(gsl), GTK_ORIENTATION_HORIZONTAL);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gsl), "GncGeneralSelect");
+
     gsl->disposed = FALSE;
     gsl->selected_item = NULL;
 }

src/gnome-utils/gnc-main-window.c

@@ -2545,6 +2545,9 @@ gnc_main_window_init (GncMainWindow *window,
     priv->merged_actions_table =
         g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(window), "GncMainWindow");
+
     priv->event_handler_id =
         qof_event_register_handler(gnc_main_window_event_handler, window);
 

src/gnome-utils/gnc-period-select.c

@@ -38,6 +38,7 @@
 #include "gnc-period-select.h"
 #include "gnc-prefs.h"
 #include <gnc-gdate-utils.h>
+#include "dialog-utils.h"
 
 enum
 {
@@ -615,6 +616,9 @@ gnc_period_select_init (GncPeriodSelect *period)
 
     gtk_orientable_set_orientation (GTK_ORIENTABLE(period), GTK_ORIENTATION_HORIZONTAL);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(period), "GncPeriodSelect");
+
     priv = GNC_PERIOD_SELECT_GET_PRIVATE(period);
     priv->start = TRUE;
 }

src/gnome-utils/gnc-query-view.c

@@ -215,6 +215,9 @@ gnc_query_view_init (GNCQueryView *qview)
 {
     GNCQueryViewPriv *priv;
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(qview), "GncQueryView");
+
     qview->query = NULL;
 
     qview->num_columns = 0;

src/gnome-utils/gnc-recurrence.c

@@ -189,6 +189,9 @@ gnc_recurrence_init( GncRecurrence *gr )
 
     recurrenceSet(&gr->recurrence, 1, PERIOD_MONTH, NULL, WEEKEND_ADJ_NONE);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(gr), "GncRecurrence");
+
     /* Open up the builder file */
     builder = gtk_builder_new();
     gnc_builder_add_from_file (builder, "gnc-recurrence.glade", "GCB_PeriodType_liststore");

src/gnome-utils/gnc-splash.c

@@ -29,6 +29,7 @@
 #include "gnc-splash.h"
 #include "core-utils/gnc-version.h"
 #include "gnc-prefs.h"
+#include "dialog-utils.h"
 
 #define MARKUP_STRING "<span size='small'>%s</span>"
 #define GNC_PREF_SHOW_SPLASH "show-splash-screen"
@@ -68,6 +69,9 @@ gnc_show_splash_screen (void)
     gtk_window_set_decorated(GTK_WINDOW (splash), FALSE);
     gtk_window_set_skip_taskbar_hint (GTK_WINDOW (splash), TRUE);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(splash), "GncSplash");
+
     g_signal_connect (splash, "destroy",
                       G_CALLBACK (splash_destroy_cb), NULL);
 

src/gnome-utils/gnc-tree-view.c

@@ -250,6 +250,9 @@ gnc_tree_view_init (GncTreeView *view, GncTreeViewClass *klass)
     /* Ask gtk to help the user keep track of rows. */
     g_object_set(view, "rules-hint", TRUE, NULL);
 
+    // Set the style context for this page so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(view), "GncTreeView");
+
     /* Handle column drag and drop */
     gtk_tree_view_set_column_drag_function(GTK_TREE_VIEW(view),
                                            gnc_tree_view_drop_ok_cb, NULL, NULL);

src/gnome-utils/window-main-summarybar.c

@@ -37,6 +37,7 @@
 #include "gnc-locale-utils.h"
 #include "gnc-ui-util.h"
 #include "window-main-summarybar.h"
+#include "dialog-utils.h"
 
 typedef struct
 {
@@ -533,6 +534,9 @@ gnc_main_window_summary_new (void)
     retval->hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
     gtk_box_set_homogeneous (GTK_BOX (retval->hbox), FALSE);
 
+    // Set the style context for this widget so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(retval->hbox), "GncSummaryBar");
+
     retval->totals_combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (retval->datamodel));
     g_object_unref (retval->datamodel);