Make the UI show free disk space, and a rough estimation of for how much longer we...

[nageru] / mainwindow.cpp

diff --git a/mainwindow.cpp b/mainwindow.cpp
index fec26f22fbf19544e4cf9dc921a3a002a696dbe6..841952f8b28eda6b2c83483aedf717e00ef6c834 100644 (file)
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -19,6 +19,7 @@
 #include <QString>
 
 #include "aboutdialog.h"
+#include "disk_space_estimator.h"
 #include "flags.h"
 #include "glwidget.h"
 #include "lrameter.h"
@@ -95,6 +96,11 @@ MainWindow::MainWindow()
        global_mainwindow = this;
        ui->setupUi(this);
 
+       global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
+       disk_free_label = new QLabel(this);
+       disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
+       ui->menuBar->setCornerWidget(disk_free_label);
+
        ui->me_live->set_output(Mixer::OUTPUT_LIVE);
        ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
 
@@ -287,6 +293,39 @@ void MainWindow::cutoff_knob_changed(int value)
        ui->locut_cutoff_display->setText(buf);
 }
 
+void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
+{
+       char time_str[256];
+       if (estimated_seconds_left < 60.0) {
+               strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
+       } else if (estimated_seconds_left < 1800.0) {  // Less than half an hour: Xm Ys (red).
+               int s = lrintf(estimated_seconds_left);
+               int m = s / 60;
+               s %= 60;
+               snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
+       } else if (estimated_seconds_left < 3600.0) {  // Less than an hour: Xm.
+               int m = lrintf(estimated_seconds_left / 60.0);
+               snprintf(time_str, sizeof(time_str), "%dm", m);
+       } else if (estimated_seconds_left < 36000.0) {  // Less than ten hours: Xh Ym.
+               int m = lrintf(estimated_seconds_left / 60.0);
+               int h = m / 60;
+               m %= 60;
+               snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
+       } else {  // More than ten hours: Xh.
+               int h = lrintf(estimated_seconds_left / 3600.0);
+               snprintf(time_str, sizeof(time_str), "%dh", h);
+       }
+       char buf[256];
+       snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
+
+       std::string label = buf;
+
+       post_to_main_thread([this, label]{
+               disk_free_label->setText(QString::fromStdString(label));
+               ui->menuBar->setCornerWidget(disk_free_label);  // Need to set this again for the sizing to get right.
+       });
+}
+
 void MainWindow::limiter_threshold_knob_changed(int value)
 {
        float threshold_dbfs = value * 0.1f;