[balsa/gtk4: 271/276] mime-widget-text: Draw cite bars in an idle cb




commit f6c675c2b82d4671aade725d3432b39ff9df609b
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Nov 23 11:24:27 2020 -0500

    mime-widget-text: Draw cite bars in an idle cb
    
    We used to use the "draw" signal, so that the text-view had time to
    compute the locations of cited text, but that has gone away. Neither the
    "realize" nor "map" signals comes late enough, so we wait for "realize"
    then schedule an idle callback, and that seems to be long enough.

 src/balsa-mime-widget-text.c | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)
---
diff --git a/src/balsa-mime-widget-text.c b/src/balsa-mime-widget-text.c
index 3d739aabb..ddd96534f 100644
--- a/src/balsa-mime-widget-text.c
+++ b/src/balsa-mime-widget-text.c
@@ -1021,17 +1021,15 @@ draw_cite_bar_real(gpointer data, gpointer user_data)
     BalsaMimeWidgetText *mwt = user_data;
     GtkTextView * view;
     GtkTextBuffer * buffer;
-    int dimension;
     GdkRectangle location;
     int y_pos;
     int height;
 
     view = GTK_TEXT_VIEW(mwt->text_widget);
     buffer = gtk_text_view_get_buffer(view);
-    dimension = mwt->cite_bar_dimension;
 
     /* initialise iters if we don't have the widget yet */
-    if (!bar->bar) {
+    if (bar->bar == NULL) {
         gtk_text_buffer_get_iter_at_offset(buffer,
                                            &bar->start_iter,
                                            bar->start_offs);
@@ -1047,13 +1045,13 @@ draw_cite_bar_real(gpointer data, gpointer user_data)
     height = location.y - y_pos;
 
     /* add a new widget if necessary */
-    if (!bar->bar) {
+    if (bar->bar == NULL) {
 #define BALSA_MESSAGE_CITE_BAR "balsa-message-cite-bar"
-        gchar *color;
-        gchar *css;
+        char *color;
+        char *css;
         GtkCssProvider *css_provider;
 
-        bar->bar = balsa_cite_bar_new(height, bar->depth, dimension);
+        bar->bar = balsa_cite_bar_new(height, bar->depth, mwt->cite_bar_dimension);
         gtk_widget_set_name(bar->bar, BALSA_MESSAGE_CITE_BAR);
 
         color =
@@ -1083,6 +1081,15 @@ draw_cite_bar_real(gpointer data, gpointer user_data)
     bar->height = height;
 }
 
+static gboolean
+draw_cite_bars_idle(gpointer user_data)
+{
+    BalsaMimeWidgetText *mwt = user_data;
+
+    g_list_foreach(mwt->cite_bar_list, draw_cite_bar_real, mwt);
+
+    return G_SOURCE_REMOVE;
+}
 
 static void
 draw_cite_bars(GtkWidget *widget,
@@ -1090,7 +1097,7 @@ draw_cite_bars(GtkWidget *widget,
 {
     BalsaMimeWidgetText *mwt = user_data;
 
-    g_list_foreach(mwt->cite_bar_list, draw_cite_bar_real, mwt);
+    g_idle_add(draw_cite_bars_idle, mwt);
 }
 
 
@@ -1588,7 +1595,7 @@ fill_text_buf_cited(BalsaMimeWidgetText *mwt,
 
     /* add list of citation bars(if any) */
     if (mwt->cite_bar_list != NULL)
-        g_signal_connect_after(widget, "map", G_CALLBACK(draw_cite_bars), mwt);
+        g_signal_connect(widget, "realize", G_CALLBACK(draw_cite_bars), mwt);
 
     if (rex != NULL)
         g_regex_unref(rex);


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