Kobo Glo: methods to set brightness

brightnessdialog.cpp

@@ -63,7 +63,7 @@ brightnessDialog::~brightnessDialog()
 void brightnessDialog::on_quitBtn_clicked()
 {
     // Reverting back to the old value
-    set_brightness(oldValue);
+    pre_set_brightness(oldValue);
 
     // Just in case ;)
     brightness_writeconfig(oldValue);
@@ -74,7 +74,7 @@ void brightnessDialog::on_quitBtn_clicked()
 
 void brightnessDialog::on_horizontalSlider_valueChanged(int value)
 {
-    set_brightness(value);
+    pre_set_brightness(value);
     QString valueStr = QString::number(value);
     valueStr = valueStr.append("%");
     ui->valueLabel->setText(valueStr);
@@ -105,3 +105,17 @@ void brightnessDialog::on_okBtn_clicked()
     // Leaving
     brightnessDialog::close();
 }
+
+void brightnessDialog::pre_set_brightness(int brightnessValue) {
+    if(deviceChecked == false) {
+        checkDevice();
+        deviceChecked = true;
+    }
+
+    if(device == "n705\n" or device == "n905\n") {
+        set_brightness(brightnessValue);
+    }
+    else {
+        set_brightness_ntxio(brightnessValue);
+    }
+}

brightnessdialog.h

@@ -16,6 +16,7 @@ class brightnessDialog : public QDialog
 public:
     QString checkconfig_str_val;
     int oldValue;
+    void pre_set_brightness(int brightnessValue);
     explicit brightnessDialog(QWidget *parent = nullptr);
     ~brightnessDialog();
 

functions.h

@@ -10,6 +10,10 @@
 #include <regex>
 #include <QThread>
 
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
 // WoW, global variables and namespaces are awesome
 namespace global {
     namespace battery {
@@ -61,12 +65,14 @@ namespace global {
 namespace {
     QString checkconfig_str_val;
     QString deviceUID;
+    QString device;
     QString batt_level;
     QString kernelVersion;
     int batt_level_int;
     int defaultEpubPageWidth;
     int defaultEpubPageHeight;
     bool checked_box = false;
+    bool deviceChecked = false;
     bool checkconfig(QString file) {
         QFile config(file);
         config.open(QIODevice::ReadOnly);
@@ -122,6 +128,14 @@ namespace {
         fhandler << value;
         fhandler.close();
     }
+    void set_brightness_ntxio(int value) {
+        // Thanks to Kevin Short for this (GloLight)
+        int light;
+        if ((light = open("/dev/ntx_io", O_RDWR)) == -1) {
+                printf("Error opening ntx_io device");
+        }
+        ioctl(light, 241, value);
+    }
     int int_checkconfig(QString file) {
         QFile int_config(file);
         int_config.open(QIODevice::ReadOnly);
@@ -342,5 +356,9 @@ namespace {
             defaultEpubPageWidth = 425;
         }
     }
+    QString checkDevice() {
+        string_checkconfig_ro("/opt/inkbox_device");
+        return checkconfig_str_val;
+    }
 }
 #endif // FUNCTIONS_H

mainwindow.cpp

@@ -321,7 +321,7 @@ MainWindow::MainWindow(QWidget *parent)
 
     // We set the brightness level saved in the config file
     int brightness_value = brightness_checkconfig(".config/03-brightness/config");
-    set_brightness(brightness_value);
+    pre_set_brightness(brightness_value);
 
     // Display quote if requested; otherwise, display recent books
     string_checkconfig(".config/05-quote/config");
@@ -759,3 +759,17 @@ void MainWindow::setBatteryIcon() {
         }
     }
 }
+
+void MainWindow::pre_set_brightness(int brightnessValue) {
+    if(deviceChecked == false) {
+        checkDevice();
+        deviceChecked = true;
+    }
+
+    if(device == "n705\n" or device == "n905\n") {
+        set_brightness(brightnessValue);
+    }
+    else {
+        set_brightness_ntxio(brightnessValue);
+    }
+}

mainwindow.h

@@ -49,6 +49,7 @@ public:
     void resetWindow(bool resetStackedWidget);
     void resetIcons();
     void setBatteryIcon();
+    void pre_set_brightness();
 
 public slots:
 
@@ -65,6 +66,7 @@ private slots:
     void on_brightnessBtn_clicked();
     void openUpdateDialog();
     void on_homeBtn_clicked();
+    void pre_set_brightness(int brightnessValue);
 
 private:
     Ui::MainWindow *ui;

reader.cpp

@@ -812,7 +812,7 @@ void reader::on_brightnessDecBtn_clicked()
 {
     int bval = get_brightness();
     int set_bval = bval - 1;
-    set_brightness(set_bval);
+    pre_set_brightness(set_bval);
     brightness_writeconfig(set_bval);
 
     bval = get_brightness();
@@ -823,7 +823,7 @@ void reader::on_brightnessIncBtn_clicked()
 {
     int bval = get_brightness();
     int set_bval = bval + 1;
-    set_brightness(set_bval);
+    pre_set_brightness(set_bval);
     brightness_writeconfig(set_bval);
 
     bval = get_brightness();
@@ -1353,3 +1353,17 @@ void reader::on_nightModeBtn_clicked()
         isNightModeActive = true;
     }
 }
+
+void reader::pre_set_brightness(int brightnessValue) {
+    if(deviceChecked == false) {
+        checkDevice();
+        deviceChecked = true;
+    }
+
+    if(device == "n705\n" or device == "n905\n") {
+        set_brightness(brightnessValue);
+    }
+    else {
+        set_brightness_ntxio(brightnessValue);
+    }
+}

reader.h

@@ -91,6 +91,7 @@ public:
     void setPageStyle();
     void alignText(int alignment);
     void delay(int seconds);
+    void pre_set_brightness(int brightnessValue);
 
 private slots:
     void on_nextBtn_clicked();