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7cbe56d12e
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3713 a592a061-630c-0410-9148-cb99ea01b6c8
98 lines
2.0 KiB
C
98 lines
2.0 KiB
C
/**
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* \file FeedbackController.C
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* Copyright 2002 the LyX Team
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* Read the file COPYING
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*
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* \author Angus Leeming, a.leeming@ic.ac.uk
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*/
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/* A common interface for posting feedback messages to a message widget in
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* xforms.
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* Derive FormBase and FormBaseDeprecated from it, so daughter classes of
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* either can interface tooltips in the same way.
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*/
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "FeedbackController.h"
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#include "gettext.h" // _()
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#include "xforms_helpers.h" // formatted
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#include "support/LAssert.h"
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FeedbackController::FeedbackController()
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: warning_posted_(false)
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{}
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FeedbackController::~FeedbackController()
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{}
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void FeedbackController::setMessageWidget(FL_OBJECT * ob)
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{
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lyx::Assert(ob && ob->objclass == FL_TEXT);
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message_widget_ = ob;
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}
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// preemptive handler for feedback messages
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void FeedbackController::MessageCB(FL_OBJECT * ob, int event)
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{
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lyx::Assert(ob && message_widget_);
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switch (event) {
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case FL_ENTER:
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warning_posted_ = false;
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postMessage(getFeedback(ob));
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break;
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case FL_LEAVE:
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if (!warning_posted_)
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fl_set_object_label(message_widget_, "");
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break;
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default:
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break;
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}
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}
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void FeedbackController::PrehandlerCB(FL_OBJECT * ob, int event, int key)
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{
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if (event == FL_PUSH && key == 2 && ob->objclass == FL_INPUT) {
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// Trigger an input event when pasting in an xforms input object
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// using the middle mouse button.
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InputCB(ob, 0);
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} else if (event == FL_ENTER || event == FL_LEAVE){
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// Post feedback as the mouse enters the object,
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// remove it as the mouse leaves.
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MessageCB(ob, event);
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}
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}
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void FeedbackController::postWarning(string const & warning)
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{
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lyx::Assert(message_widget_);
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warning_posted_ = true;
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string const str = _("WARNING! ") + warning;
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postMessage(str);
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}
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void FeedbackController::postMessage(string const & message)
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{
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string const str = formatted(message,
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message_widget_->w-10, FL_SMALL_SIZE);
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fl_set_object_label(message_widget_, str.c_str());
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fl_set_object_lsize(message_widget_, FL_SMALL_SIZE);
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}
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