From 0fa42ce4822c7b7cdfde6d0fe93abb2d722bc230 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 21 Sep 2014 21:22:39 +0200
Subject: indicate UI contains a "video feed" element

---
 facetracknoir/facetracknoir.cpp      |  28 +++++++------
 facetracknoir/facetracknoir.h        |  13 +++---
 facetracknoir/facetracknoir.ui       |  74 +++++++++++++++++++++++------------
 facetracknoir/main-facetracknoir.qrc |   1 +
 facetracknoir/uielements/no-feed.png | Bin 0 -> 20196 bytes
 5 files changed, 72 insertions(+), 44 deletions(-)
 create mode 100644 facetracknoir/uielements/no-feed.png

diff --git a/facetracknoir/facetracknoir.cpp b/facetracknoir/facetracknoir.cpp
index 5f4a4e11..3f6d641e 100644
--- a/facetracknoir/facetracknoir.cpp
+++ b/facetracknoir/facetracknoir.cpp
@@ -94,10 +94,14 @@ FaceTrackNoIR::FaceTrackNoIR(QWidget *parent) :
     pProtocolDialog(NULL),
     pFilterDialog(NULL),
     kbd_quit(QKeySequence("Ctrl+Q"), this),
-    looping(0)
+    looping(0),
+    video_frame_layout(new QVBoxLayout()),
+    no_feed_pixmap(":/uielements/no-feed.png")
 {	
     ui.setupUi(this);
     setFixedSize(size());
+    ui.video_frame_label->setPixmap(no_feed_pixmap);
+    updateButtonState(false);
 
 	_keyboard_shortcuts = 0;
 	_curve_config = 0;
@@ -163,6 +167,7 @@ FaceTrackNoIR::~FaceTrackNoIR() {
     save();
     if (Libraries)
         delete Libraries;
+    delete video_frame_layout;
 }
 
 QFrame* FaceTrackNoIR::get_video_widget() {
@@ -275,20 +280,17 @@ void FaceTrackNoIR::loadSettings() {
 
 void FaceTrackNoIR::updateButtonState(bool running)
 {
-    bool e = !running;
-    ui.iconcomboProfile->setEnabled ( e );
-    ui.btnLoad->setEnabled ( e );
-    ui.btnSaveAs->setEnabled ( e );
-    ui.btnStartTracker->setEnabled ( e );
+    bool not_running = !running;
+    ui.iconcomboProfile->setEnabled ( not_running );
+    ui.btnStartTracker->setEnabled ( not_running );
     ui.btnStopTracker->setEnabled ( running );
-    ui.iconcomboProtocol->setEnabled ( e );
-    ui.btnShowServerControls->setEnabled ( e );
-    ui.iconcomboFilter->setEnabled ( e );
-    ui.iconcomboTrackerSource->setEnabled(e);
-    ui.cbxSecondTrackerSource->setEnabled(e);
-
-    ui.btnStartTracker->setEnabled(e);
+    ui.iconcomboProtocol->setEnabled ( not_running );
+    ui.iconcomboFilter->setEnabled ( not_running );
+    ui.iconcomboTrackerSource->setEnabled(not_running);
+    ui.cbxSecondTrackerSource->setEnabled(not_running);
+    ui.btnStartTracker->setEnabled(not_running);
     ui.btnStopTracker->setEnabled(running);
+    ui.video_frame_label->setVisible(not_running);
 }
 
 void FaceTrackNoIR::startTracker( ) {
diff --git a/facetracknoir/facetracknoir.h b/facetracknoir/facetracknoir.h
index 22a4363e..f005a9c1 100644
--- a/facetracknoir/facetracknoir.h
+++ b/facetracknoir/facetracknoir.h
@@ -32,13 +32,14 @@
 #include <QList>
 #include <QKeySequence>
 #include <QShortcut>
+#include <QLayout>
+#include <QPixmap>
+#include <QLabel>
 #if !defined(_WIN32)
 #	include "qxt-mini/QxtGlobalShortcut"
 #else
 #	include <windows.h>
 #endif
-#include <QThread>
-#include <QDebug>
 
 #include "ui_facetracknoir.h"
 
@@ -117,18 +118,20 @@ private:
 	void createIconGroupBox();
 
 	void loadSettings();
-    void updateButtonState(bool);
+    void updateButtonState(bool running);
 
     QList<DynamicLibrary*> dlopen_filters;
     QList<DynamicLibrary*> dlopen_trackers;
     QList<DynamicLibrary*> dlopen_protocols;
     QShortcut kbd_quit;
-
+    int looping;
+    
+    QLayout* video_frame_layout;
+    QPixmap no_feed_pixmap;
 #ifndef _WIN32
     void bind_keyboard_shortcut(QxtGlobalShortcut&, key_opts& k);
 #endif
     void fill_profile_cbx();
-    int looping;
     
 private slots:
     void open();
diff --git a/facetracknoir/facetracknoir.ui b/facetracknoir/facetracknoir.ui
index ab332288..d2c78461 100644
--- a/facetracknoir/facetracknoir.ui
+++ b/facetracknoir/facetracknoir.ui
@@ -25,9 +25,9 @@
    <widget class="QPushButton" name="btnShortcuts">
     <property name="geometry">
      <rect>
-      <x>715</x>
-      <y>110</y>
-      <width>151</width>
+      <x>760</x>
+      <y>280</y>
+      <width>96</width>
       <height>38</height>
      </rect>
     </property>
@@ -54,7 +54,7 @@
    <widget class="QGroupBox" name="box_mapped_headpose">
     <property name="geometry">
      <rect>
-      <x>90</x>
+      <x>120</x>
       <y>20</y>
       <width>169</width>
       <height>137</height>
@@ -298,8 +298,8 @@
     <property name="geometry">
      <rect>
       <x>345</x>
-      <y>260</y>
-      <width>256</width>
+      <y>255</y>
+      <width>246</width>
       <height>65</height>
      </rect>
     </property>
@@ -343,7 +343,7 @@
      <rect>
       <x>345</x>
       <y>175</y>
-      <width>256</width>
+      <width>246</width>
       <height>65</height>
      </rect>
     </property>
@@ -385,9 +385,9 @@
    <widget class="QGroupBox" name="groupFilter">
     <property name="geometry">
      <rect>
-      <x>630</x>
-      <y>175</y>
-      <width>221</width>
+      <x>345</x>
+      <y>335</y>
+      <width>246</width>
       <height>65</height>
      </rect>
     </property>
@@ -429,8 +429,8 @@
    <widget class="QGroupBox" name="groupBox_3">
     <property name="geometry">
      <rect>
-      <x>630</x>
-      <y>260</y>
+      <x>625</x>
+      <y>180</y>
       <width>221</width>
       <height>65</height>
      </rect>
@@ -485,16 +485,38 @@
       <verstretch>0</verstretch>
      </sizepolicy>
     </property>
-    <property name="lineWidth">
-     <number>0</number>
-    </property>
+    <widget class="QLabel" name="video_frame_label">
+     <property name="geometry">
+      <rect>
+       <x>0</x>
+       <y>0</y>
+       <width>320</width>
+       <height>240</height>
+      </rect>
+     </property>
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="font">
+      <font>
+       <stylestrategy>NoAntialias</stylestrategy>
+       <kerning>false</kerning>
+      </font>
+     </property>
+     <property name="text">
+      <string/>
+     </property>
+    </widget>
    </widget>
    <widget class="QGroupBox" name="groupProfile">
     <property name="geometry">
      <rect>
-      <x>450</x>
+      <x>525</x>
       <y>40</y>
-      <width>256</width>
+      <width>311</width>
       <height>111</height>
      </rect>
     </property>
@@ -565,9 +587,9 @@
    <widget class="QPushButton" name="btnEditCurves">
     <property name="geometry">
      <rect>
-      <x>715</x>
-      <y>60</y>
-      <width>151</width>
+      <x>615</x>
+      <y>280</y>
+      <width>141</width>
       <height>38</height>
      </rect>
     </property>
@@ -586,8 +608,8 @@
     </property>
     <property name="iconSize">
      <size>
-      <width>80</width>
-      <height>22</height>
+      <width>60</width>
+      <height>37</height>
      </size>
     </property>
    </widget>
@@ -610,9 +632,9 @@
    <widget class="QGroupBox" name="groupStartStop">
     <property name="geometry">
      <rect>
-      <x>520</x>
-      <y>340</y>
-      <width>190</width>
+      <x>635</x>
+      <y>335</y>
+      <width>201</width>
       <height>65</height>
      </rect>
     </property>
@@ -685,7 +707,7 @@
    <widget class="QGroupBox" name="box_raw_headpose">
     <property name="geometry">
      <rect>
-      <x>270</x>
+      <x>320</x>
       <y>20</y>
       <width>169</width>
       <height>137</height>
diff --git a/facetracknoir/main-facetracknoir.qrc b/facetracknoir/main-facetracknoir.qrc
index 6cb2e300..e37c2529 100644
--- a/facetracknoir/main-facetracknoir.qrc
+++ b/facetracknoir/main-facetracknoir.qrc
@@ -4,5 +4,6 @@
         <file>images/settings16.png</file>
         <file>uielements/curves.png</file>
         <file>images/facetracknoir.png</file>
+        <file>uielements/no-feed.png</file>
     </qresource>
 </RCC>
diff --git a/facetracknoir/uielements/no-feed.png b/facetracknoir/uielements/no-feed.png
new file mode 100644
index 00000000..7c2f52bf
Binary files /dev/null and b/facetracknoir/uielements/no-feed.png differ
-- 
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