video/ps3eye: implement dialog

7 files changed, 291 insertions, 10 deletions

diff --git a/video-ps3eye/dialog.ui b/video-ps3eye/dialog.ui
new file mode 100644
index 00000000..1e94ce74
--- /dev/null
+++ b/video-ps3eye/dialog.ui
@@ -0,0 +1,133 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Dialog</class>
+ <widget class="QWidget" name="Dialog">
+  <property name="windowModality">
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>439</width>
+    <height>211</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>439</width>
+    <height>0</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>PS3 Eye</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Camera settings</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="2">
+       <widget class="QSpinBox" name="exposure_label">
+        <property name="readOnly">
+         <bool>true</bool>
+        </property>
+        <property name="buttonSymbols">
+         <enum>QAbstractSpinBox::NoButtons</enum>
+        </property>
+        <property name="maximum">
+         <number>255</number>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="2">
+       <widget class="QSpinBox" name="gain_label">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="readOnly">
+         <bool>true</bool>
+        </property>
+        <property name="buttonSymbols">
+         <enum>QAbstractSpinBox::NoButtons</enum>
+        </property>
+        <property name="maximum">
+         <number>63</number>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QSlider" name="exposure_slider">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+          <horstretch>1</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="maximum">
+         <number>255</number>
+        </property>
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0">
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>Exposure</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QSlider" name="gain_slider">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="maximum">
+         <number>63</number>
+        </property>
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_2">
+        <property name="text">
+         <string>Gain</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/video-ps3eye/lang/nl_NL.ts b/video-ps3eye/lang/nl_NL.ts
index 6401616d..c98370ec 100644
--- a/video-ps3eye/lang/nl_NL.ts
+++ b/video-ps3eye/lang/nl_NL.ts
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
 <TS version="2.1">
+<context>
+    <name>Dialog</name>
+    <message>
+        <source>PS3 Eye</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Camera settings</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Exposure</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Gain</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 </TS>
diff --git a/video-ps3eye/lang/ru_RU.ts b/video-ps3eye/lang/ru_RU.ts
index 6401616d..c98370ec 100644
--- a/video-ps3eye/lang/ru_RU.ts
+++ b/video-ps3eye/lang/ru_RU.ts
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
 <TS version="2.1">
+<context>
+    <name>Dialog</name>
+    <message>
+        <source>PS3 Eye</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Camera settings</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Exposure</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Gain</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 </TS>
diff --git a/video-ps3eye/lang/stub.ts b/video-ps3eye/lang/stub.ts
index 6401616d..c98370ec 100644
--- a/video-ps3eye/lang/stub.ts
+++ b/video-ps3eye/lang/stub.ts
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
 <TS version="2.1">
+<context>
+    <name>Dialog</name>
+    <message>
+        <source>PS3 Eye</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Camera settings</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Exposure</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Gain</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 </TS>
diff --git a/video-ps3eye/lang/zh_CN.ts b/video-ps3eye/lang/zh_CN.ts
index 6401616d..c98370ec 100644
--- a/video-ps3eye/lang/zh_CN.ts
+++ b/video-ps3eye/lang/zh_CN.ts
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
 <TS version="2.1">
+<context>
+    <name>Dialog</name>
+    <message>
+        <source>PS3 Eye</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Camera settings</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Exposure</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Gain</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 </TS>
diff --git a/video-ps3eye/module.cpp b/video-ps3eye/module.cpp
index 3ee43ec1..7dbdd8fb 100644
--- a/video-ps3eye/module.cpp
+++ b/video-ps3eye/module.cpp
@@ -4,12 +4,15 @@
 #include "compat/run-in-thread.hpp"
 
 #include <cstddef>
+#include <thread>
 
 #include <QCoreApplication>
 #include <QMessageBox>
 
 #include <libusb.h>
 
+using namespace options;
+
 #ifdef __GNUG__
 #   pragma clang diagnostic ignored "-Wcast-qual"
 #endif
@@ -76,14 +79,21 @@ std::unique_ptr<camera> ps3eye_camera_::make_camera(const QString& name)
     else
         return {};
 }
+
+static bool show_dialog_()
+{
+    (new dialog)->show();
+    return true;
+}
+
 bool ps3eye_camera_::show_dialog(const QString&)
 {
-    // TODO
-    return false;
+    return show_dialog_();
 }
-bool ps3eye_camera_::can_show_dialog(const QString&)
+
+bool ps3eye_camera_::can_show_dialog(const QString& name)
 {
-    return false;
+    return name == camera_name && check_device_exists();
 }
 
 ps3eye_camera::ps3eye_camera()
@@ -210,7 +220,45 @@ ok:
 
 bool ps3eye_camera::show_dialog()
 {
-    return false;
+    return show_dialog_();
 }
 
 OTR_REGISTER_CAMERA(ps3eye_camera_)
+
+dialog::dialog(QWidget* parent) : QWidget(parent)
+{
+    ui.setupUi(this);
+    tie_setting(s.exposure, ui.exposure_slider);
+    tie_setting(s.gain, ui.gain_slider);
+    ui.exposure_label->setValue((int)*s.exposure);
+    ui.gain_label->setValue((int)*s.gain);
+    connect(&s.exposure, value_::value_changed<slider_value>(), this, [this](const slider_value&) { s.set_exposure(); });
+    connect(&s.gain, value_::value_changed<slider_value>(), this, [this](const slider_value&) { s.set_gain(); });
+    connect(ui.exposure_slider, &QSlider::valueChanged, ui.exposure_label, &QSpinBox::setValue);
+    connect(ui.gain_slider, &QSlider::valueChanged, ui.gain_label, &QSpinBox::setValue);
+    connect(ui.buttonBox, &QDialogButtonBox::accepted, this, &dialog::do_ok);
+    connect(ui.buttonBox, &QDialogButtonBox::rejected, this, &dialog::do_cancel);
+}
+
+// XXX copypasta -sh 20200329
+void settings::set_gain()
+{
+    if (!shm.success())
+        return;
+
+    auto& ptr = *(ps3eye::shm volatile*)shm.ptr();
+    ptr.in.gain = (unsigned char)*gain;
+    ++ptr.in.settings_updated;
+    std::atomic_thread_fence(std::memory_order_seq_cst);
+}
+
+void settings::set_exposure()
+{
+    if (!shm.success())
+        return;
+
+    auto& ptr = *(ps3eye::shm volatile*)shm.ptr();
+    ptr.in.exposure = (unsigned char)*exposure;
+    ++ptr.in.settings_updated;
+    std::atomic_thread_fence(std::memory_order_seq_cst);
+}
diff --git a/video-ps3eye/module.hpp b/video-ps3eye/module.hpp
index 957e221e..9f7aaec1 100644
--- a/video-ps3eye/module.hpp
+++ b/video-ps3eye/module.hpp
@@ -5,21 +5,45 @@
 #include "compat/shm.h"
 #include "options/options.hpp"
 #include "compat/macros1.h"
+#include "ui_dialog.h"
 
-using namespace options;
-
+#include <QDialog>
 #include <QProcess>
 
+using namespace options;
+
 using video::impl::camera;
 using video::impl::camera_;
 using video::frame;
 
-struct settings : opts
+struct settings final
 {
-    settings() : opts{"video-ps3eye"} {}
+    bundle b = make_bundle("video-ps3eye");
+    shm_wrapper shm { "ps3eye-driver-shm", nullptr, sizeof(ps3eye::shm) };
 
-    value<slider_value> exposure{b, "exposure", {63, 0, 63}};
+    value<slider_value> exposure{b, "exposure", {255, 0, 255}};
     value<slider_value> gain{b, "gain", {30, 0, 63}};
+
+    void set_exposure();
+    void set_gain();
+};
+
+class dialog final : public QWidget
+{
+    Q_OBJECT
+    Ui_Dialog ui;
+    settings s;
+
+    shm_wrapper shm { "ps3eye-driver-shm", nullptr, sizeof(ps3eye::shm) };
+
+    void do_ok() { s.b->save(); close(); deleteLater(); }
+    void do_cancel() { s.b->reload(); close(); deleteLater(); }
+
+protected:
+    void closeEvent(QCloseEvent*) override { do_cancel(); }
+
+public:
+    explicit dialog(QWidget* parent = nullptr);
 };
 
 struct ps3eye_camera final : video::impl::camera