set initial zmap window size according to screen size. Add tooltips to status...

set initial zmap window size according to screen size. Add tooltips to status bar. plus other cosmetic changes.

src/zmapControl/zmapControlWindow.c

@@ -26,9 +26,9 @@
  *              
  * Exported functions: See zmapTopWindow_P.h
  * HISTORY:
- * Last edited: Feb 24 12:14 2006 (rds)
+ * Last edited: Mar  3 08:12 2006 (edgrif)
  * Created: Fri May  7 14:43:28 2004 (edgrif)
- * CVS info:   $Id: zmapControlWindow.c,v 1.21 2006-02-24 12:16:09 rds Exp $
+ * CVS info:   $Id: zmapControlWindow.c,v 1.22 2006-03-03 08:16:54 edgrif Exp $
  *-------------------------------------------------------------------
  */
 
@@ -36,23 +36,33 @@
 #include <ZMap/zmapUtils.h>
 #include <zmapControl_P.h>
 
+static void setTooltips(ZMap zmap) ;
+static void makeStatusTooltips(ZMap zmap) ;
 static GtkWidget *makeStatusPanel(ZMap zmap) ;
 static void quitCB(GtkWidget *widget, gpointer cb_data) ;
 
 
+/* Makes the toplevel window and control panels for an individual zmap. */
 gboolean zmapControlWindowCreate(ZMap zmap)
 {
   gboolean result = TRUE ;
   GtkWidget *toplevel, *vbox, *menubar, *frame, *controls_box, *button_box, *status_box, *info_box ;
 
+
+  /* Make a tooltips group for the main zmap controls. */
+  zmap->tooltips = gtk_tooltips_new() ;
+
+
+
   zmap->toplevel = toplevel = gtk_window_new(GTK_WINDOW_TOPLEVEL) ;
   gtk_window_set_policy(GTK_WINDOW(toplevel), FALSE, TRUE, FALSE ) ;
   gtk_window_set_title(GTK_WINDOW(toplevel), zmap->zmap_id) ;
   gtk_container_border_width(GTK_CONTAINER(toplevel), 5) ;
 
 
-  /* this should be in a config file.... */
-  gtk_window_set_default_size(GTK_WINDOW(zmap->toplevel), 800, 800);
+  /* We can leave width to default sensibly but height does not because zmap is in a scrolled
+   * window. */
+  gtk_window_set_default_size(GTK_WINDOW(zmap->toplevel), -1, zmap->window_height) ;
 
 
   g_signal_connect(G_OBJECT(toplevel), "realize",
@@ -82,7 +92,7 @@ gboolean zmapControlWindowCreate(ZMap zmap)
   gtk_box_pack_start(GTK_BOX(info_box), button_box, FALSE, TRUE, 0);
 
   status_box = makeStatusPanel(zmap) ;
-  gtk_box_pack_start(GTK_BOX(info_box), status_box, FALSE, FALSE, 0) ;
+  gtk_box_pack_end(GTK_BOX(info_box), status_box, FALSE, TRUE, 0) ;
 
   zmap->info_panel = gtk_entry_new() ;
   gtk_box_pack_start(GTK_BOX(controls_box), zmap->info_panel, TRUE, TRUE, 0) ;
@@ -90,8 +100,13 @@ gboolean zmapControlWindowCreate(ZMap zmap)
   zmap->navview_frame = zmapControlWindowMakeFrame(zmap) ;
   gtk_box_pack_start(GTK_BOX(vbox), zmap->navview_frame, TRUE, TRUE, 0);
 
+
   gtk_widget_show_all(toplevel) ;
 
+  /* Tooltips can only be added to widgets after the widgets have been "shown". */
+  setTooltips(zmap) ;
+  gtk_tooltips_enable(zmap->tooltips) ;
+
 
   return result ;
 }
@@ -108,6 +123,8 @@ void zmapControlWindowDestroy(ZMap zmap)
 
   gtk_widget_destroy(zmap->toplevel) ;
 
+  gtk_object_destroy(GTK_OBJECT(zmap->tooltips)) ;
+
   return ;
 }
 
@@ -181,23 +198,33 @@ void zmapControlWindowSetStatus(ZMap zmap)
  */
 
 
+/* this panel displays revcomp, sequence coord and status information for
+ * the selected view.
+ * 
+ * Note that the labels have to be parented by an event box because we want
+ * them to have tooltips which require a window in order to work and this
+ * is provided by the event box. */
 static GtkWidget *makeStatusPanel(ZMap zmap)
 {
-  GtkWidget *status_box, *frame ;
+  GtkWidget *status_box, *frame, *event_box ;
 
   status_box = gtk_hbox_new(FALSE, 0) ;
 
-  frame = gtk_frame_new(NULL);
+  frame = gtk_frame_new(NULL) ;
   gtk_box_pack_start(GTK_BOX(status_box), frame, TRUE, TRUE, 0) ;
+  event_box = gtk_event_box_new() ;
+  gtk_container_add(GTK_CONTAINER(frame), event_box) ;
   zmap->status_revcomp = gtk_label_new(NULL) ;
-  gtk_container_add(GTK_CONTAINER(frame), zmap->status_revcomp) ;
+  gtk_container_add(GTK_CONTAINER(event_box), zmap->status_revcomp) ;
 
-  frame = gtk_frame_new(NULL);
+  frame = gtk_frame_new(NULL) ;
   gtk_box_pack_start(GTK_BOX(status_box), frame, TRUE, TRUE, 0) ;
+  event_box = gtk_event_box_new() ;
+  gtk_container_add(GTK_CONTAINER(frame), event_box) ;
   zmap->status_coords = gtk_label_new(NULL) ;
-  gtk_container_add(GTK_CONTAINER(frame), zmap->status_coords) ;
+  gtk_container_add(GTK_CONTAINER(event_box), zmap->status_coords) ;
 
-  frame = gtk_frame_new(NULL);
+  frame = gtk_frame_new(NULL) ;
   gtk_box_pack_start(GTK_BOX(status_box), frame, TRUE, TRUE, 0) ;
   zmap->status_entry = gtk_entry_new() ;
   gtk_container_add(GTK_CONTAINER(frame), zmap->status_entry) ;
@@ -234,3 +261,44 @@ static void quitCB(GtkWidget *widget, gpointer cb_data)
   return ;
 }
 
+
+
+/* Note that tool tips cannot be set on a widget until that widget has a window,
+ * so this routine gets called after the various widgets have been realised.
+ * This is a bit of pity as it means we end up splitting creation of widgets from
+ * creation of their tooltips. */
+static void setTooltips(ZMap zmap)
+{
+
+  zmapControlButtonTooltips(zmap) ;
+
+  makeStatusTooltips(zmap) ;
+
+
+  return ;
+}
+
+
+
+static void makeStatusTooltips(ZMap zmap)
+{
+
+  if (GTK_WIDGET_NO_WINDOW(zmap->status_revcomp))
+    printf("no window for revcomp\n") ;
+
+  gtk_tooltips_set_tip(zmap->tooltips, gtk_widget_get_parent(zmap->status_revcomp),
+		       "\"+\" = forward complement,\n \"-\" = reverse complement",
+		       "") ;
+
+  gtk_tooltips_set_tip(zmap->tooltips, gtk_widget_get_parent(zmap->status_coords),
+		       "start/end coords of displayed sequence",
+		       "") ;
+
+  gtk_tooltips_set_tip(zmap->tooltips, zmap->status_entry,
+		       "Status of selected view",
+		       "") ;
+
+  return ;
+}
+
+