Change glob() API to accept a dir parameter.

[lyx.git] / src / frontends / xforms / Tooltips.C

diff --git a/src/frontends/xforms/Tooltips.C b/src/frontends/xforms/Tooltips.C
index ef82135d45bb36cfc7666346e388ff5e8766a6ad..cca71af6cdf255ad3a243202d3fed26948743130 100644 (file)
--- a/src/frontends/xforms/Tooltips.C
+++ b/src/frontends/xforms/Tooltips.C
@@ -1,11 +1,14 @@
-/*
+/**
  * \file Tooltips.C
- * Copyright 2002 the LyX Team
- * Read the file COPYING
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- * \author Angus Leeming, a.leeming@ic.ac.uk
+ * \author Angus Leeming
  *
- * Tooltips for xforms. xforms 0.89 supports them directly, but 0.88 needs
+ * Full author contact details are available in file CREDITS.
+ */
+
+/* Tooltips for xforms. xforms 0.89 supports them directly, but 0.88 needs
  * a bit of jiggery pokery. This class wraps it all up in a neat interface.
  * Based on code originally in Toolbar_pimpl.C that appears to have been
  * written by Matthias Ettrich and Jean-Marc Lasgouttes.
@@ -13,113 +16,71 @@
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "Tooltips.h"
-#include "support/LAssert.h"
 
-//#if FL_REVISION >= 89
-// Usually, this is all that is needed for xforms 0.89
-// However, I can't see an easy way to change Tooltips on the fly
-// with this method, so for now use the jiggery pokery below. ;-)
-// Angus 6 Feb 2002
+#include "xforms_helpers.h" // formatted
 
-/*
-void Tooltips::activateTooltip(FL_OBJECT * ob)
-{
-       lyx::Assert(ob);
+#include "support/lstrings.h"
 
-       string const help(getTooltip(ob));
-       if (!help.empty())
-               fl_set_object_helper(ob, help.c_str()); 
-}
-*/
+#include "lyx_forms.h"
 
-//#else // if FL_REVISION < 89
+#include <boost/bind.hpp>
 
-namespace {
+using std::string;
 
-int TooltipHandler(FL_OBJECT *ob, int event);
 
-void TooltipTimerCB(FL_OBJECT * timer, long data);
- 
-}
+namespace lyx {
 
-extern "C" {
+using support::trim;
 
-static int C_TooltipHandler(FL_OBJECT * ob, int event,
-                                   FL_Coord, FL_Coord, int, void *)
-{
-       return TooltipHandler(ob, event);
-}
+namespace frontend {
 
 
-static void C_TooltipTimerCB(FL_OBJECT * ob, long data)
-{
-       TooltipTimerCB(ob, data);
-}
+bool Tooltips::enabled_ = true;
 
-}
- 
+boost::signal<void()> Tooltips::toggled;
 
-void Tooltips::activateTooltip(FL_OBJECT * ob)
+
+Tooltips::Tooltips()
 {
-       lyx::Assert(ob);
+       toggled.connect(boost::bind(&Tooltips::set, this));
+}
 
-       if (!tooltip_timer_) {
-               lyx::Assert(ob->form);
-               fl_addto_form(ob->form);
-               tooltip_timer_ = fl_add_timer(FL_HIDDEN_TIMER, 0, 0, 0, 0, "");
-               fl_end_form();
-       }
 
-       fl_set_object_posthandler(ob, C_TooltipHandler);
-       ob->u_cdata = reinterpret_cast<char *>(tooltip_timer_);
-       tooltip_timer_->u_vdata = this;
+void Tooltips::toggleEnabled()
+{
+       enabled_ = !enabled_;
+       toggled();
 }
 
 
-namespace {
-
-void TooltipTimerCB(FL_OBJECT * timer, long data)
+void Tooltips::set()
 {
-       FL_OBJECT * ob = reinterpret_cast<FL_OBJECT*>(data);
-       lyx::Assert(ob && ob->form && timer && timer->u_vdata);
-       FL_FORM * form = ob->form;
-       Tooltips * tooltip = static_cast<Tooltips *>(timer->u_vdata);
-       
-       string const help = tooltip->getTooltip(ob);
-       if (help.empty())
+       if (tooltipsMap.empty())
                return;
 
-       fl_show_oneliner(help.c_str(),
-                        form->x + ob->x, form->y + ob->y + ob->h);
+       TooltipsMap::const_iterator it  = tooltipsMap.begin();
+       TooltipsMap::const_iterator end = tooltipsMap.end();
+       for (; it != end; ++it) {
+               FL_OBJECT * const ob = it->first;
+               char const * const c_str = enabled_ ? it->second.c_str() : 0;
+               fl_set_object_helper(ob, c_str);
+       }
 }
 
 
-// post_handler for bubble-help (Matthias)
-int TooltipHandler(FL_OBJECT *ob, int event)
+void Tooltips::init(FL_OBJECT * ob, string const & tip)
 {
-       lyx::Assert(ob);
-       FL_OBJECT * timer = reinterpret_cast<FL_OBJECT *>(ob->u_cdata);
-       lyx::Assert(timer);
-
-       // We do not test for empty help here, since this can never happen
-       if (event == FL_ENTER){
-               fl_set_object_callback(timer,
-                                      C_TooltipTimerCB,
-                                      reinterpret_cast<long>(ob));
-               fl_set_timer(timer, 1);
-       }
-       else if (event != FL_MOTION){
-               fl_set_timer(timer, 0);
-               fl_hide_oneliner();
-       }
-       return 0;
-}
+       BOOST_ASSERT(ob && ob->form);
 
-} // namespace anon
+       // Store the tooltip string
+       string const str = formatted(trim(tip), 400);
+       tooltipsMap[ob] = str;
+
+       // Set the tooltip
+       char const * const c_str = enabled_ ? str.c_str() : 0;
+       fl_set_object_helper(ob, c_str);
+}
 
-//#endif // FL_REVISION < 89
+} // namespace frontend
+} // namespace lyx