[LyX/master] Add document statistics to statusbar.
Pavel Sanda
sanda at lyx.org
Tue Aug 9 21:04:36 UTC 2022
commit 5b50a97fd76d237dbf91fe897739dc4e11ee6551
Author: Pavel Sanda <sanda at lyx.org>
Date: Tue Aug 9 23:48:55 2022 +0200
Add document statistics to statusbar.
https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg217810.html
---
lib/ui/stdcontext.inc | 2 +
src/LyXAction.cpp | 1 +
src/frontends/qt/GuiView.cpp | 93 +++++++++++++++++++++++++++++++++++++++++-
src/frontends/qt/GuiView.h | 6 +++
4 files changed, 100 insertions(+), 2 deletions(-)
diff --git a/lib/ui/stdcontext.inc b/lib/ui/stdcontext.inc
index bd94e7c..402dbcd 100644
--- a/lib/ui/stdcontext.inc
+++ b/lib/ui/stdcontext.inc
@@ -731,6 +731,8 @@ Menuset
Separator
Item "Show Zoom Level|Z" "ui-toggle zoomlevel"
Item "Show Zoom Slider|S" "ui-toggle zoomslider"
+ Separator
+ Item "Show Statistics|D" "ui-toggle statistics"
End
End
diff --git a/src/LyXAction.cpp b/src/LyXAction.cpp
index 992b47a..ae8245d 100644
--- a/src/LyXAction.cpp
+++ b/src/LyXAction.cpp
@@ -4097,6 +4097,7 @@ void LyXAction::init()
frame : Toggle visibility of the frames around editing window.\n
zoomslider : Toggle visibility of the zoom slider in statusbar.\n
zoomlevel : Toggle visibility of the zoom level display in statusbar.\n
+ statistics : Toggle visibility of the document statistics count in statusbar.\n
fullscreen : Toggle fullscreen mode. This also covers calling the
previous functions. However #LFUN_TOOLBAR_TOGGLE for the
custom tweaks of the toolbars should be used.
diff --git a/src/frontends/qt/GuiView.cpp b/src/frontends/qt/GuiView.cpp
index 8f6bf07..28c196d 100644
--- a/src/frontends/qt/GuiView.cpp
+++ b/src/frontends/qt/GuiView.cpp
@@ -523,6 +523,7 @@ public:
///
QTimer statusbar_timer_;
+ QTimer statusbar_stats_timer_;
/// auto-saving of buffers
Timeout autosave_timeout_;
@@ -546,6 +547,20 @@ public:
/// flag against a race condition due to multiclicks, see bug #1119
bool in_show_;
+
+ // Timers for statistic updates in buffer
+ /// Current time left to the nearest info update
+ int time_to_update = 1000;
+ ///Basic step for timer in ms. Basically reaction time for short selections
+ int const timer_rate = 500;
+ /// Real stats updates infrequently. First they take long time for big buffers, second
+ /// they are visible for fast-repeat keyboards even for mid documents.
+ int const default_stats_rate = 5000;
+ /// Detection of new selection, so we can react fast
+ bool already_in_selection_ = false;
+ /// Maximum size of "short" selection for which we can update with faster timer_rate
+ int const max_sel_chars = 5000;
+
};
QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
@@ -553,8 +568,8 @@ QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
GuiView::GuiView(int id)
: d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0),
- command_execute_(false), minibuffer_focus_(false), toolbarsMovable_(true),
- devel_mode_(false)
+ command_execute_(false), minibuffer_focus_(false), stat_counts_enabled_(true),
+ toolbarsMovable_(true), devel_mode_(false)
{
connect(this, SIGNAL(bufferViewChanged()),
this, SLOT(onBufferViewChanged()));
@@ -582,6 +597,9 @@ GuiView::GuiView(int id)
}
connect(&d.statusbar_timer_, SIGNAL(timeout()),
this, SLOT(clearMessage()));
+ connect(&d.statusbar_stats_timer_, SIGNAL(timeout()),
+ this, SLOT(showStats()));
+ d.statusbar_stats_timer_.start(d.timer_rate);
// We don't want to keep the window in memory if it is closed.
setAttribute(Qt::WA_DeleteOnClose, true);
@@ -627,6 +645,13 @@ GuiView::GuiView(int id)
busySVG, SLOT(hide()));
connect(busySVG, SIGNAL(pressed()), this, SLOT(checkCancelBackground()));
+ stat_counts_ = new QLabel(statusBar());
+ stat_counts_->setAlignment(Qt::AlignCenter);
+ stat_counts_->setFrameStyle(QFrame::StyledPanel);
+ stat_counts_->hide();
+ statusBar()->addPermanentWidget(stat_counts_);
+
+
QFontMetrics const fm(statusBar()->fontMetrics());
zoom_slider_ = new QSlider(Qt::Horizontal, statusBar());
@@ -952,6 +977,7 @@ void GuiView::saveLayout() const
settings.setValue("icon_size", toqstr(d.iconSize(iconSize())));
settings.setValue("zoom_value_visible", zoom_value_->isVisible());
settings.setValue("zoom_slider_visible", zoom_slider_->isVisible());
+ settings.setValue("document_stats_enabled", stat_counts_enabled_);
}
@@ -1001,6 +1027,9 @@ bool GuiView::restoreLayout()
zoom_in_->setVisible(show_zoom_slider);
zoom_out_->setVisible(show_zoom_slider);
+ stat_counts_enabled_ = settings.value("document_stats_enabled", true).toBool();
+ stat_counts_->setVisible(stat_counts_enabled_);
+
if (guiApp->platformName() == "qt4x11" || guiApp->platformName() == "xcb") {
QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
QSize size = settings.value("size", QSize(690, 510)).toSize();
@@ -1271,6 +1300,7 @@ void GuiView::closeEvent(QCloseEvent * close_event)
// Make sure the timer time out will not trigger a statusbar update.
d.statusbar_timer_.stop();
+ d.statusbar_stats_timer_.stop();
// Saving fullscreen requires additional tweaks in the toolbar code.
// It wouldn't also work under linux natively.
@@ -1376,6 +1406,60 @@ void GuiView::clearMessage()
d.statusbar_timer_.stop();
}
+void GuiView::showStats()
+{
+ if (!stat_counts_enabled_)
+ return;
+
+
+ d.time_to_update -= d.timer_rate;
+
+ BufferView * bv = currentBufferView();
+ Buffer * buf = bv ? &bv->buffer() : nullptr;
+ if (buf) {
+
+ Cursor const & cur = bv->cursor();
+
+ //we start new selection and need faster update
+ if (!d.already_in_selection_ && cur.selection())
+ d.time_to_update = 0;
+
+ if (d.time_to_update <= 0) {
+
+ DocIterator from, to;
+
+ if (cur.selection()) {
+ from = cur.selectionBegin();
+ to = cur.selectionEnd();
+ d.already_in_selection_ = true;
+ } else {
+ from = doc_iterator_begin(buf);
+ to = doc_iterator_end(buf);
+ d.already_in_selection_ = false;
+ }
+
+ buf->updateStatistics(from, to);
+
+ int const words = buf->wordCount();
+ int const chars = buf->charCount(false);
+ int const chars_with_blanks = buf->charCount(true);
+
+ QString stats = toqstr(_("w:[[words]]")) + QString::number(words) + " " +
+ toqstr(_("c:[[characters]]")) + QString::number(chars) + " " +
+ toqstr(_("cb:[[characters with blanks]]")) + QString::number(chars_with_blanks);
+ stat_counts_->setText(stats);
+ stat_counts_->show();
+
+ d.time_to_update = d.default_stats_rate;
+ //fast updates for small selections
+ if (chars_with_blanks < d.max_sel_chars && cur.selection())
+ d.time_to_update = d.timer_rate;
+ }
+
+ } else
+ stat_counts_->hide();
+}
+
void GuiView::updateWindowTitle(GuiWorkArea * wa)
{
@@ -2419,6 +2503,8 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
flag.setOnOff(zoom_value_ ? zoom_value_->isVisible() : false);
} else if (cmd.argument() == "zoomslider") {
flag.setOnOff(zoom_slider_ ? zoom_slider_->isVisible() : false);
+ } else if (cmd.argument() == "statistics") {
+ flag.setOnOff(stat_counts_enabled_);
} else
flag.setOnOff(isFullScreen());
break;
@@ -4904,6 +4990,9 @@ bool GuiView::lfunUiToggle(string const & ui_component)
zoom_slider_->setVisible(!zoom_slider_->isVisible());
zoom_in_->setVisible(zoom_slider_->isVisible());
zoom_out_->setVisible(zoom_slider_->isVisible());
+ } else if (ui_component == "statistics") {
+ stat_counts_enabled_ = !stat_counts_enabled_;
+ stat_counts_->setVisible(stat_counts_enabled_);
} else if (ui_component == "frame") {
int const l = contentsMargins().left();
diff --git a/src/frontends/qt/GuiView.h b/src/frontends/qt/GuiView.h
index 241701c..2f7c34e 100644
--- a/src/frontends/qt/GuiView.h
+++ b/src/frontends/qt/GuiView.h
@@ -235,6 +235,8 @@ public Q_SLOTS:
/// idle timeout.
/// clear any temporary message and replace with current status.
void clearMessage();
+ /// show documents stats in toolbar and trigger new iteration
+ void showStats();
///
void updateWindowTitle(GuiWorkArea * wa);
///
@@ -510,6 +512,10 @@ private:
QLabel * read_only_;
/// Statusbar widget that shows version control status
QLabel * version_control_;
+ /// Statusbar widget that document count statistics
+ QLabel * stat_counts_;
+ /// Stats info feature can be disabled by context menu
+ bool stat_counts_enabled_;
/// Statusbar widget that shows zoom value
QLabel * zoom_value_;
/// The zoom slider widget
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