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[lyx.git] / src / frontends / qt4 / GuiCompleter.cpp

diff --git a/src/frontends/qt4/GuiCompleter.cpp b/src/frontends/qt4/GuiCompleter.cpp
index ff81d883999398cd65745a315105615ffec230b4..87c5aa9007790871d43e44128ec337e4b305a4c5 100644 (file)
--- a/src/frontends/qt4/GuiCompleter.cpp
+++ b/src/frontends/qt4/GuiCompleter.cpp
@@ -22,6 +22,7 @@
 #include "LyX.h"
 #include "LyXRC.h"
 #include "Paragraph.h"
+#include "qt_helpers.h"
 #include "version.h"
 
 #include "support/lassert.h"
@@ -90,9 +91,10 @@ public:
        ~GuiCompletionModel() { delete list_; }
        ///
        void setList(CompletionList const * l) {
+               beginResetModel();
                delete list_;
                list_ = l;
-               reset();
+               endResetModel();
        }
        ///
        bool sorted() const
@@ -285,19 +287,19 @@ bool GuiCompleter::inlineVisible() const
 }
 
 
-void GuiCompleter::updateVisibility(Cursor & cur, bool start, bool keep, bool cursorInView)
+void GuiCompleter::updateVisibility(Cursor & cur, bool start, bool keep)
 {
        // parameters which affect the completion
        bool moved = cur != old_cursor_;
        if (moved)
                old_cursor_ = cur;
 
-       bool possiblePopupState = popupPossible(cur) && cursorInView;
-       bool possibleInlineState = inlinePossible(cur) && cursorInView;
+       bool const possiblePopupState = popupPossible(cur);
+       bool const possibleInlineState = inlinePossible(cur);
 
        // we moved or popup state is not ok for popup?
        if ((moved && !keep) || !possiblePopupState)
-               hidePopup(cur);
+               hidePopup();
 
        // we moved or inline state is not ok for inline completion?
        if ((moved && !keep) || !possibleInlineState)
@@ -341,7 +343,7 @@ void GuiCompleter::updateVisibility(bool start, bool keep)
 }
 
 
-void GuiCompleter::updatePrefix(Cursor & cur)
+void GuiCompleter::updatePrefix(Cursor const & cur)
 {
        // get new prefix. Do nothing if unchanged
        QString newPrefix = toqstr(cur.inset().completionPrefix(cur));
@@ -380,7 +382,7 @@ void GuiCompleter::updatePrefix(Cursor & cur)
 }
 
 
-void GuiCompleter::updateInline(Cursor & cur, QString const & completion)
+void GuiCompleter::updateInline(Cursor const & cur, QString const & completion)
 {
        if (!cur.inset().inlineCompletionSupported(cur))
                return;
@@ -401,7 +403,7 @@ void GuiCompleter::updateInline(Cursor & cur, QString const & completion)
 }
 
 
-void GuiCompleter::updatePopup(Cursor & cur)
+void GuiCompleter::updatePopup(Cursor const & cur)
 {
        if (!cur.inset().completionSupported(cur))
                return;
@@ -444,8 +446,8 @@ void GuiCompleter::asyncUpdatePopup()
        // has a bad memory about it and we have to tell him again and again.
        QTreeView * listView = static_cast<QTreeView *>(popup());
        listView->header()->setStretchLastSection(false);
-       listView->header()->setResizeMode(0, QHeaderView::Stretch);
-       listView->header()->setResizeMode(1, QHeaderView::Fixed);
+       setSectionResizeMode(listView->header(), 0, QHeaderView::Stretch);
+       setSectionResizeMode(listView->header(), 1, QHeaderView::Fixed);
        listView->header()->resizeSection(1, 22);
        
        // show/update popup
@@ -459,7 +461,7 @@ void GuiCompleter::updateAvailability()
        // visible yet, i.e. especially if automatic completion is disabled.
        if (inlineVisible() || popupVisible())
                return;
-       Cursor & cur = gui_->bufferView().cursor();
+       Cursor const & cur = gui_->bufferView().cursor();
        if (!popupPossible(cur) && !inlinePossible(cur))
                return;
        
@@ -467,7 +469,7 @@ void GuiCompleter::updateAvailability()
 }
        
 
-void GuiCompleter::updateModel(Cursor & cur, bool popupUpdate, bool inlineUpdate)
+void GuiCompleter::updateModel(Cursor const & cur, bool popupUpdate, bool inlineUpdate)
 {
        // value which should be kept selected
        QString old = currentCompletion();
@@ -521,7 +523,7 @@ void GuiCompleter::updateModel(Cursor & cur, bool popupUpdate, bool inlineUpdate
 }
 
 
-void GuiCompleter::showPopup(Cursor & cur)
+void GuiCompleter::showPopup(Cursor const & cur)
 {
        if (!popupPossible(cur))
                return;
@@ -530,26 +532,6 @@ void GuiCompleter::showPopup(Cursor & cur)
 }
 
 
-void GuiCompleter::hidePopup(Cursor &)
-{
-       popupVisible_ = false;
-
-       if (popup_timer_.isActive())
-               popup_timer_.stop();
-
-       // hide popup asynchronously because we might be here inside of
-       // LFUN dispatchers. Hiding a popup can trigger a focus event on the 
-       // workarea which then redisplays the cursor. But the metrics are not
-       // yet up to date such that the coord cache has not all insets yet. The
-       // cursorPos methods would triggers asserts in the coord cache then.
-       QTimer::singleShot(0, this, SLOT(asyncHidePopup()));
-       
-       // mark that the asynchronous part will reset the model
-       if (!inlineVisible())
-               modelActive_ = false;
-}
-
-
 void GuiCompleter::asyncHidePopup()
 {
        popup()->hide();
@@ -558,7 +540,7 @@ void GuiCompleter::asyncHidePopup()
 }
 
 
-void GuiCompleter::showInline(Cursor & cur)
+void GuiCompleter::showInline(Cursor const & cur)
 {
        if (!inlinePossible(cur))
                return;
@@ -567,7 +549,7 @@ void GuiCompleter::showInline(Cursor & cur)
 }
 
 
-void GuiCompleter::hideInline(Cursor & cur)
+void GuiCompleter::hideInline(Cursor const & cur)
 {
        gui_->bufferView().setInlineCompletion(cur, DocIterator(cur.buffer()), docstring());
        inlineVisible_ = false;
@@ -621,14 +603,21 @@ void GuiCompleter::showInline()
 
 void GuiCompleter::hidePopup()
 {
-       Cursor cur = gui_->bufferView().cursor();
-       cur.screenUpdateFlags(Update::None);
-       
-       hidePopup(cur);
+       popupVisible_ = false;
+
+       if (popup_timer_.isActive())
+               popup_timer_.stop();
+
+       // hide popup asynchronously because we might be here inside of
+       // LFUN dispatchers. Hiding a popup can trigger a focus event on the
+       // workarea which then redisplays the cursor. But the metrics are not
+       // yet up to date such that the coord cache has not all insets yet. The
+       // cursorPos methods would triggers asserts in the coord cache then.
+       QTimer::singleShot(0, this, SLOT(asyncHidePopup()));
        
-       // redraw if needed
-       if (cur.result().screenUpdate())
-               gui_->bufferView().processUpdateFlags(cur.result().screenUpdate());
+       // mark that the asynchronous part will reset the model
+       if (!inlineVisible())
+               modelActive_ = false;
 }
 
 
@@ -695,7 +684,7 @@ void GuiCompleter::tab()
                cur.inset().insertCompletion(cur, docstring(), true);
                
                // hide popup and inline completion
-               hidePopup(cur);
+               hidePopup();
                hideInline(cur);
                updateVisibility(false, false);
                cur.endUndoGroup();
@@ -799,7 +788,8 @@ void GuiCompleter::setCurrentCompletion(QString const & s)
                        i = n;
                else
                        i = l;
-               LASSERT(i <= n, /**/);
+               // we can try to recover
+               LASSERT(i <= n, i = 0);
        }
 
        // select the first if none was found
@@ -888,7 +878,7 @@ void GuiCompleter::popupActivated(const QString & completion)
        docstring prefix = cur.inset().completionPrefix(cur);
        docstring postfix = qstring_to_ucs4(completion.mid(prefix.length()));
        cur.inset().insertCompletion(cur, postfix, true);
-       hidePopup(cur);
+       hidePopup();
        hideInline(cur);
        
        if (cur.result().screenUpdate())