From 5a9b7f9d1ac4e99d2e4fe92f0f98523eff7a370a Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Kempf <jb@videolan.org>
Date: Tue, 8 Jan 2008 01:09:40 +0000
Subject: [PATCH] Qt4 - Open dialog: fix segfault on capture cards and fix the
 problematic layout on Win32.

---
 modules/gui/qt4/components/open_panels.cpp | 37 ++++++-------
 modules/gui/qt4/ui/open.ui                 | 62 +++++++---------------
 2 files changed, 35 insertions(+), 64 deletions(-)

diff --git a/modules/gui/qt4/components/open_panels.cpp b/modules/gui/qt4/components/open_panels.cpp
index 8752b44491..b9b8c883b7 100644
--- a/modules/gui/qt4/components/open_panels.cpp
+++ b/modules/gui/qt4/components/open_panels.cpp
@@ -909,7 +909,6 @@ CaptureOpenPanel::CaptureOpenPanel( QWidget *_parent, intf_thread_t *_p_intf ) :
 
 CaptureOpenPanel::~CaptureOpenPanel()
 {
-    if( adv ) delete adv;
 }
 
 void CaptureOpenPanel::clear()
@@ -1046,37 +1045,42 @@ void CaptureOpenPanel::updateButtons()
         break;
     }
 
-    if( adv )
-    {
-        delete adv;
-        advMRL.clear();
-    }
+    advMRL.clear();
 }
 
 void CaptureOpenPanel::advancedDialog()
 {
+    /* Get selected device type */
     int i_devicetype = ui.deviceCombo->itemData(
                                 ui.deviceCombo->currentIndex() ).toInt();
+
+    /* Get the corresponding module */
     module_t *p_module =
         module_Find( VLC_OBJECT(p_intf), psz_devModule[i_devicetype] );
     if( NULL == p_module ) return;
 
-    unsigned int i_confsize;
+    /* Init */
     QList<ConfigControl *> controls;
 
+    /* Get the confsize  */
+    unsigned int i_confsize;
     module_config_t *p_config;
     p_config = module_GetConfig( p_module, &i_confsize );
 
+    /* New Adv Prop dialog */
     adv = new QDialog( this );
     adv->setWindowTitle( qtr( "Advanced options..." ) );
 
+    /* A main Layout with a Frame */
     QVBoxLayout *mainLayout = new QVBoxLayout( adv );
     //TODO QScrollArea
     QFrame *advFrame = new QFrame;
     mainLayout->addWidget( advFrame );
 
+    /* GridLayout inside the Frame */
     QGridLayout *gLayout = new QGridLayout( advFrame );
 
+    /* Create the options inside the FrameLayout */
     for( int n = 0; n < i_confsize; n++ )
     {
         module_config_t *p_item = p_config + n;
@@ -1085,17 +1089,7 @@ void CaptureOpenPanel::advancedDialog()
         controls.append( config );
     }
 
-   /* QGroupBox *optionGroup = new QGroupBox( qtr( "Advanced options..." ) );
-    QHBoxLayout *grLayout = new QHBoxLayout( optionGroup );
-
-    QLabel *optionLabel = new QLabel( qtr( "Options" ) + ":" );
-    grLayout->addWidget( optionLabel );
-
-    QLineEdit *optionLine = new QLineEdit;
-    grLayout->addWidget( optionLine );
-
-    gLayout->addWidget( optionGroup, i_confsize, 0, 1, -1 );*/
-
+    /* Button stuffs */
     QDialogButtonBox *advButtonBox = new QDialogButtonBox( adv );
     QPushButton *closeButton = new QPushButton( qtr( "Ok" ) );
     QPushButton *cancelButton = new QPushButton( qtr( "Cancel" ) );
@@ -1108,6 +1102,7 @@ void CaptureOpenPanel::advancedDialog()
 
     gLayout->addWidget( advButtonBox, i_confsize + 1, 0, 1, -1  );
 
+    /* Creation of the MRL */
     if( adv->exec() )
     {
         QString tempMRL = "";
@@ -1123,7 +1118,7 @@ void CaptureOpenPanel::advancedDialog()
             tempMRL += (i ? " :" : ":");
 
             if( control->getType() == CONFIG_ITEM_BOOL )
-                if( !( qobject_cast<VIntConfigControl *>(control)->getValue() ) )
+                if( !(qobject_cast<VIntConfigControl *>(control)->getValue() ) )
                     tempMRL += "no-";
 
             tempMRL += control->getName();
@@ -1145,7 +1140,9 @@ void CaptureOpenPanel::advancedDialog()
             }
         }
         advMRL = tempMRL;
-        msg_Dbg( p_intf, "%s", qtu( advMRL ) );
         updateMRL();
+        msg_Dbg( p_intf, "%s", qtu( advMRL ) );
     }
+    delete adv;
 }
+
diff --git a/modules/gui/qt4/ui/open.ui b/modules/gui/qt4/ui/open.ui
index 8d3365d719..3a445ee3e4 100644
--- a/modules/gui/qt4/ui/open.ui
+++ b/modules/gui/qt4/ui/open.ui
@@ -9,8 +9,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>450</width>
-    <height>296</height>
+    <width>432</width>
+    <height>285</height>
    </rect>
   </property>
   <property name="sizePolicy" >
@@ -22,8 +22,8 @@
   <property name="windowTitle" >
    <string>Dialog</string>
   </property>
-  <layout class="QVBoxLayout" >
-   <item>
+  <layout class="QGridLayout" >
+   <item row="0" column="0" colspan="2" >
     <widget class="QTabWidget" name="Tab" >
      <property name="sizePolicy" >
       <sizepolicy vsizetype="Fixed" hsizetype="Preferred" >
@@ -36,7 +36,7 @@
      </property>
     </widget>
    </item>
-   <item>
+   <item row="1" column="0" colspan="2" >
     <widget class="QCheckBox" name="advancedCheckBox" >
      <property name="toolTip" >
       <string>_("Show extended options")</string>
@@ -46,7 +46,7 @@
      </property>
     </widget>
    </item>
-   <item>
+   <item row="2" column="0" colspan="2" >
     <widget class="QFrame" name="advancedFrame" >
      <property name="sizePolicy" >
       <sizepolicy vsizetype="MinimumExpanding" hsizetype="Minimum" >
@@ -180,57 +180,31 @@
      </layout>
     </widget>
    </item>
-   <item>
+   <item row="3" column="0" >
     <spacer>
      <property name="orientation" >
-      <enum>Qt::Vertical</enum>
+      <enum>Qt::Horizontal</enum>
      </property>
      <property name="sizeType" >
-      <enum>QSizePolicy::MinimumExpanding</enum>
+      <enum>QSizePolicy::Minimum</enum>
      </property>
      <property name="sizeHint" >
       <size>
-       <width>20</width>
-       <height>1</height>
+       <width>240</width>
+       <height>20</height>
       </size>
      </property>
     </spacer>
    </item>
-   <item>
-    <layout class="QHBoxLayout" >
-     <property name="spacing" >
-      <number>6</number>
+   <item row="3" column="1" >
+    <widget class="QDialogButtonBox" name="buttonsBox" >
+     <property name="orientation" >
+      <enum>Qt::Horizontal</enum>
      </property>
-     <property name="margin" >
-      <number>0</number>
+     <property name="standardButtons" >
+      <set>QDialogButtonBox::NoButton</set>
      </property>
-     <item>
-      <spacer>
-       <property name="orientation" >
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeType" >
-        <enum>QSizePolicy::Minimum</enum>
-       </property>
-       <property name="sizeHint" >
-        <size>
-         <width>240</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-     <item>
-      <widget class="QDialogButtonBox" name="buttonsBox" >
-       <property name="orientation" >
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="standardButtons" >
-        <set>QDialogButtonBox::NoButton</set>
-       </property>
-      </widget>
-     </item>
-    </layout>
+    </widget>
    </item>
   </layout>
  </widget>
-- 
2.39.5