From bcf80f7ddb66ee213dc493904e1b743e99d90082 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@gmail.com>
Date: Thu, 18 Oct 2012 16:07:13 +0200
Subject: Launch download dialog to ease waiting

---
 tools/gui/control.c     | 34 ++++++++++++++++++++--
 tools/gui/control.glade | 77 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 108 insertions(+), 3 deletions(-)

diff --git a/tools/gui/control.c b/tools/gui/control.c
index 07b7937..0b59837 100644
--- a/tools/gui/control.c
+++ b/tools/gui/control.c
@@ -44,6 +44,11 @@ typedef struct {
     GtkWidget   *download_button;
     GtkComboBox *zoom_box;
 
+    GtkDialog       *download_dialog;
+    GtkProgressBar  *download_progressbar;
+    GtkWidget       *download_close_button;
+    GtkAdjustment   *download_adjustment;
+
     GtkWidget       *histogram_view;
     GtkToggleButton *histogram_button;
     GtkAdjustment   *frame_slider;
@@ -290,17 +295,21 @@ on_record_button_clicked (GtkWidget *widget, ThreadData *data)
     }
 }
 
-static void
-on_download_button_clicked (GtkWidget *widget, ThreadData *data)
+static gpointer
+download_frames (ThreadData *data)
 {
     gpointer buffer;
+    guint n_frames;
     GError *error = NULL;
 
+    g_object_get (data->camera, "recorded-frames", &n_frames, NULL);
+    g_print ("recorded %i frames\n", n_frames);
+
     uca_camera_start_readout (data->camera, &error);
 
     if (error != NULL) {
         g_printerr ("Failed to start read out of camera memory: %s\n", error->message);
-        return;
+        return NULL;
     }
 
     ring_buffer_reset (data->buffer);
@@ -327,6 +336,22 @@ on_download_button_clicked (GtkWidget *widget, ThreadData *data)
 
     if (error != NULL)
         g_printerr ("Failed to stop reading out of camera memory: %s\n", error->message);
+
+    return NULL;
+}
+
+static void
+on_download_button_clicked (GtkWidget *widget, ThreadData *data)
+{
+    GError *error = NULL;
+
+    if (!g_thread_create ((GThreadFunc) download_frames, data, FALSE, &error)) {
+        g_printerr ("Failed to create thread: %s\n", error->message);
+    }
+
+    gtk_window_set_modal (GTK_WINDOW (data->download_dialog), TRUE);
+    gtk_dialog_run (data->download_dialog);
+    gtk_window_set_modal (GTK_WINDOW (data->download_dialog), FALSE);
 }
 
 static void
@@ -408,6 +433,9 @@ create_main_window (GtkBuilder *builder, const gchar* camera_name)
     td.histogram_button = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "histogram-checkbutton"));
     td.frame_slider     = GTK_ADJUSTMENT (gtk_builder_get_object (builder, "frames-adjustment"));
 
+    td.download_dialog  = GTK_DIALOG (gtk_builder_get_object (builder, "download-dialog"));
+    td.download_adjustment = GTK_ADJUSTMENT (gtk_builder_get_object (builder, "download-adjustment"));
+
     /* Set initial data */
     pixel_size  = bits_per_sample > 8 ? 2 : 1;
     image_size  = pixel_size * width * height;
diff --git a/tools/gui/control.glade b/tools/gui/control.glade
index 2d2aaac..eec9dde 100644
--- a/tools/gui/control.glade
+++ b/tools/gui/control.glade
@@ -555,4 +555,81 @@
     <property name="step_increment">1</property>
     <property name="page_increment">10</property>
   </object>
+  <object class="GtkDialog" id="download-dialog">
+    <property name="border_width">5</property>
+    <property name="type_hint">normal</property>
+    <child internal-child="vbox">
+      <object class="GtkVBox" id="dialog-vbox1">
+        <property name="visible">True</property>
+        <property name="spacing">2</property>
+        <child>
+          <object class="GtkVBox" id="vbox2">
+            <property name="visible">True</property>
+            <property name="border_width">10</property>
+            <property name="spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label7">
+                <property name="visible">True</property>
+                <property name="xalign">0</property>
+                <property name="label" translatable="yes">Downloading Frames …</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkProgressBar" id="download-progressbar">
+                <property name="visible">True</property>
+                <property name="adjustment">download-adjustment</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="position">1</property>
+          </packing>
+        </child>
+        <child internal-child="action_area">
+          <object class="GtkHButtonBox" id="dialog-action_area1">
+            <property name="visible">True</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="download-close-button">
+                <property name="label">gtk-close</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_stock">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="0">download-close-button</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkAdjustment" id="download-adjustment">
+    <property name="upper">100</property>
+    <property name="step_increment">1</property>
+    <property name="page_increment">10</property>
+    <property name="page_size">10</property>
+  </object>
 </interface>
-- 
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