Implemented brightness control dialog in MainWindow

brightnessdialog.cpp

@@ -0,0 +1,106 @@
+#include "brightnessdialog.h"
+#include "ui_brightnessdialog.h"
+
+#include <QFont>
+#include <QFontDatabase>
+#include <QFile>
+#include <QDebug>
+
+brightnessDialog::brightnessDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::brightnessDialog)
+{
+    ui->setupUi(this);
+
+    // Stylesheet, style & misc.
+    QFile stylesheetFile(":/resources/eink.qss");
+    stylesheetFile.open(QFile::ReadOnly);
+    this->setStyleSheet(stylesheetFile.readAll());
+    stylesheetFile.close();
+
+    int value = get_brightness();
+
+    // Setting the slider to the appropriate position
+    ui->horizontalSlider->setValue(value);
+
+    // Showing brightness percentage on label
+    QString valueStr = QString::number(value);
+    valueStr = valueStr.append("%");
+    ui->valueLabel->setText(valueStr);
+
+    ui->quitBtn->setProperty("type", "borderless");
+    ui->quitBtn->setText("");
+    ui->quitBtn->setIcon(QIcon(":/resources/close.png"));
+    ui->okBtn->setProperty("type", "borderless");
+    ui->okBtn->setText("");
+    ui->okBtn->setIcon(QIcon(":/resources/check.png"));
+    ui->decBtn->setProperty("type", "borderless");
+    ui->decBtn->setText("");
+    ui->decBtn->setIcon(QIcon(":/resources/minus.png"));
+    ui->incBtn->setProperty("type", "borderless");
+    ui->incBtn->setText("");
+    ui->incBtn->setIcon(QIcon(":/resources/plus.png"));
+    ui->brightnessLabel->setStyleSheet("font-size: 11pt; padding-left: 125px; padding-right: 125px; font:bold");
+    ui->valueLabel->setStyleSheet("font-size: 9pt");
+
+    // UI fonts
+    int id = QFontDatabase::addApplicationFont(":/resources/fonts/CrimsonPro-Bold.ttf");
+    QString family = QFontDatabase::applicationFontFamilies(id).at(0);
+    QFont crimson_bold(family);
+
+    ui->brightnessLabel->setFont(QFont(crimson_bold));
+
+    // Saving current brightness value in case we want to go backwards
+    oldValue = get_brightness();
+}
+
+brightnessDialog::~brightnessDialog()
+{
+    delete ui;
+}
+
+void brightnessDialog::on_quitBtn_clicked()
+{
+    // Reverting back to the old value
+    set_brightness(oldValue);
+
+    // Just in case ;)
+    brightness_writeconfig(oldValue);
+
+    // Leaving
+    brightnessDialog::close();
+}
+
+void brightnessDialog::on_horizontalSlider_valueChanged(int value)
+{
+    set_brightness(value);
+    QString valueStr = QString::number(value);
+    valueStr = valueStr.append("%");
+    ui->valueLabel->setText(valueStr);
+}
+
+void brightnessDialog::on_incBtn_clicked()
+{
+    int value = ui->horizontalSlider->value();
+    value = value + 1;
+    ui->horizontalSlider->setValue(value);
+}
+
+void brightnessDialog::on_decBtn_clicked()
+{
+    int value = ui->horizontalSlider->value();
+    value = value - 1;
+    ui->horizontalSlider->setValue(value);
+}
+
+void brightnessDialog::on_okBtn_clicked()
+{
+    // Get set brightness value
+    int value = ui->horizontalSlider->value();
+
+    // Write brightness config
+    brightness_writeconfig(value);
+
+    // Leaving
+    brightnessDialog::close();
+}

brightnessdialog.h

@@ -0,0 +1,68 @@
+#ifndef BRIGHTNESSDIALOG_H
+#define BRIGHTNESSDIALOG_H
+
+#include <QDialog>
+#include <fstream>
+#include <iostream>
+#include <QTextStream>
+#include <QFile>
+
+using namespace std;
+
+namespace Ui {
+class brightnessDialog;
+}
+
+class brightnessDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    QString checkconfig_str_val;
+    int oldValue;
+    explicit brightnessDialog(QWidget *parent = nullptr);
+    ~brightnessDialog();
+    void brightness_writeconfig(int value) {
+        ofstream fhandler;
+        fhandler.open(".config/03-brightness/config");
+        fhandler << value;
+        fhandler.close();
+    }
+    void string_checkconfig_ro(QString file) {
+        QFile config(file);
+        config.open(QIODevice::ReadOnly);
+        QTextStream in (&config);
+        checkconfig_str_val = in.readAll();
+        config.close();
+    }
+    int get_brightness() {
+        QFile brightness("/var/run/brightness");
+        brightness.open(QIODevice::ReadOnly);
+        QString valuestr = brightness.readAll();
+        int value = valuestr.toInt();
+        brightness.close();
+        return value;
+    }
+    void set_brightness(int value) {
+        ofstream fhandler;
+        fhandler.open("/var/run/brightness");
+        fhandler << value;
+        fhandler.close();
+    }
+
+private slots:
+    void on_quitBtn_clicked();
+
+    void on_horizontalSlider_valueChanged(int value);
+
+    void on_incBtn_clicked();
+
+    void on_decBtn_clicked();
+
+    void on_okBtn_clicked();
+
+private:
+    Ui::brightnessDialog *ui;
+};
+
+#endif // BRIGHTNESSDIALOG_H

brightnessdialog.ui

@@ -0,0 +1,167 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>brightnessDialog</class>
+ <widget class="QDialog" name="brightnessDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>128</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="3" column="0">
+      <spacer name="verticalSpacer">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>40</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item row="7" column="0">
+      <widget class="QLabel" name="valueLabel">
+       <property name="text">
+        <string>Brightness Value</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="0">
+      <layout class="QGridLayout" name="gridLayout_2">
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item row="0" column="1">
+        <spacer name="horizontalSpacer_2">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="0" column="2">
+        <widget class="QLabel" name="brightnessLabel">
+         <property name="font">
+          <font>
+           <family>Chivo</family>
+           <italic>true</italic>
+          </font>
+         </property>
+         <property name="text">
+          <string>Brightness</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="3">
+        <spacer name="horizontalSpacer">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="0" column="4">
+        <widget class="QPushButton" name="okBtn">
+         <property name="text">
+          <string>OK</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="0">
+        <widget class="QPushButton" name="quitBtn">
+         <property name="text">
+          <string>Quit</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item row="5" column="0">
+      <layout class="QGridLayout" name="gridLayout_3">
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item row="0" column="1">
+        <widget class="QSlider" name="horizontalSlider">
+         <property name="maximum">
+          <number>100</number>
+         </property>
+         <property name="pageStep">
+          <number>1</number>
+         </property>
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="2">
+        <widget class="QPushButton" name="incBtn">
+         <property name="text">
+          <string>Up</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="0">
+        <widget class="QPushButton" name="decBtn">
+         <property name="text">
+          <string>Down</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item row="6" column="0">
+      <spacer name="verticalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>40</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

inkbox.pro

@@ -11,6 +11,7 @@ CONFIG += c++11
 SOURCES += \
     alert.cpp \
     apps.cpp \
+    brightnessdialog.cpp \
     calendarapp.cpp \
     main.cpp \
     mainwindow.cpp \
@@ -23,6 +24,7 @@ SOURCES += \
 HEADERS += \
     alert.h \
     apps.h \
+    brightnessdialog.h \
     calendarapp.h \
     mainwindow.h \
     quit.h \
@@ -34,6 +36,7 @@ HEADERS += \
 FORMS += \
     alert.ui \
     apps.ui \
+    brightnessdialog.ui \
     calendarapp.ui \
     mainwindow.ui \
     quit.ui \

mainwindow.cpp

@@ -16,6 +16,8 @@
 #include <QTextStream>
 #include <QPixmap>
 #include <QScreen>
+#include <QFont>
+#include <QFontDatabase>
 
 using namespace std;
 
@@ -146,6 +148,14 @@ MainWindow::MainWindow(QWidget *parent)
         }
     }
 
+    int id = QFontDatabase::addApplicationFont(":/resources/fonts/CrimsonPro-Regular.ttf");
+    QString family = QFontDatabase::applicationFontFamilies(id).at(0);
+    QFont crimson(family);
+
+    ui->book1Btn->setFont(QFont(crimson));
+    ui->book2Btn->setFont(QFont(crimson));
+    ui->book3Btn->setFont(QFont(crimson));
+    ui->book4Btn->setFont(QFont(crimson));
     ui->book1Btn->setStyleSheet("font-size: 11pt; padding: 25px");
     ui->book2Btn->setStyleSheet("font-size: 11pt; padding: 25px");
     ui->book3Btn->setStyleSheet("font-size: 11pt; padding: 25px");
@@ -503,3 +513,10 @@ void MainWindow::on_book4Btn_clicked()
     readerWindow->setAttribute(Qt::WA_DeleteOnClose);
     readerWindow->showFullScreen();
 }
+
+void MainWindow::on_brightnessBtn_clicked()
+{
+    brightnessDialogWindow = new brightnessDialog();
+    brightnessDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
+    brightnessDialogWindow->show();
+}

mainwindow.h

@@ -8,6 +8,7 @@
 #include "quit.h"
 #include "alert.h"
 #include "usbms_splash.h"
+#include "brightnessdialog.h"
 #include <iostream>
 #include <QFile>
 #include <QTextStream>
@@ -150,6 +151,8 @@ private slots:
 
     void on_book4Btn_clicked();
 
+    void on_brightnessBtn_clicked();
+
 private:
     Ui::MainWindow *ui;
     settings *settingsWindow;
@@ -158,5 +161,6 @@ private:
     quit *quitWindow;
     alert *alertWindow;
     usbms_splash *usbmsWindow;
+    brightnessDialog *brightnessDialogWindow;
 };
 #endif // MAINWINDOW_H