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Introduce class MenuButton in order to delay the math menu button initialisation up until it is first shown. This improve the inital loading time by half a second on windows.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22608 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2008-01-17 08:20:22 +00:00
parent 4559120e8a
commit 0aead96461
1 changed files with 51 additions and 25 deletions
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76
src/frontends/qt4/GuiToolbar.cpp
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@ -444,6 +444,56 @@ public:
}
};
class MenuButton : public QToolButton
{
private:
GuiToolbar * bar_;
ToolbarItem const & tbitem_;
IconPalette * panel_;
bool initialized_;
public:
MenuButton(GuiToolbar * bar, ToolbarItem const & item)
: QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
{
setPopupMode(QToolButton::InstantPopup);
setToolTip(qt_(to_ascii(tbitem_.label_)));
setStatusTip(qt_(to_ascii(tbitem_.label_)));
setText(qt_(to_ascii(tbitem_.label_)));
setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
connect(bar, SIGNAL(iconSizeChanged(QSize)),
this, SLOT(setIconSize(QSize)));
}
void mousePressEvent(QMouseEvent * e)
{
if (initialized_) {
QToolButton::mousePressEvent(e);
return;
}
initialized_ = true;
ButtonMenu * m = new ButtonMenu(qt_(to_ascii(tbitem_.label_)), this);
m->setWindowTitle(qt_(to_ascii(tbitem_.label_)));
m->setTearOffEnabled(true);
connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
ToolbarInfo const * tbinfo =
toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
if (!tbinfo) {
lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
return;
}
ToolbarInfo::item_iterator it = tbinfo->items.begin();
ToolbarInfo::item_iterator const end = tbinfo->items.end();
for (; it != end; ++it)
if (!getStatus(it->func_).unknown())
m->add(bar_->addItem(*it));
setMenu(m);
QToolButton::mousePressEvent(e);
}
};
}
void GuiToolbar::add(ToolbarItem const & item)
@ -481,31 +531,7 @@ void GuiToolbar::add(ToolbarItem const & item)
break;
case ToolbarItem::POPUPMENU: {
QToolButton * tb = new QToolButton;
tb->setPopupMode(QToolButton::InstantPopup);
tb->setToolTip(qt_(to_ascii(item.label_)));
tb->setStatusTip(qt_(to_ascii(item.label_)));
tb->setText(qt_(to_ascii(item.label_)));
tb->setIcon(QPixmap(":images/math/" + toqstr(item.name_) + ".png"));
connect(this, SIGNAL(iconSizeChanged(QSize)),
tb, SLOT(setIconSize(QSize)));
ButtonMenu * m = new ButtonMenu(qt_(to_ascii(item.label_)), tb);
m->setWindowTitle(qt_(to_ascii(item.label_)));
m->setTearOffEnabled(true);
connect(this, SIGNAL(updated()), m, SLOT(updateParent()));
ToolbarInfo const * tbinfo = toolbarbackend.getDefinedToolbarInfo(item.name_);
if (!tbinfo) {
lyxerr << "Unknown toolbar " << item.name_ << endl;
break;
}
ToolbarInfo::item_iterator it = tbinfo->items.begin();
ToolbarInfo::item_iterator const end = tbinfo->items.end();
for (; it != end; ++it)
if (!getStatus(it->func_).unknown())
m->add(addItem(*it));
tb->setMenu(m);
addWidget(tb);
addWidget(new MenuButton(this, item));
break;
}
case ToolbarItem::COMMAND: {