remove flashing/redrawing of text edit dialog

eeschema/dialog_edit_label.cpp

@@ -17,6 +17,24 @@
 #include "general.h"
 #include "dialog_edit_label.h"
 
+
+int DialogLabelEditor::ShowModally(  WinEDA_SchematicFrame* parent, SCH_TEXT * CurrentText )
+{
+    int ret;
+
+    DialogLabelEditor* dialog = new DialogLabelEditor( parent, CurrentText );
+
+    // doing any post construction resizing is better done here than in
+    // OnInitDialog() since it tends to flash/redraw the dialog less.
+    dialog->init();
+
+    ret = dialog->ShowModal();
+    dialog->Destroy();
+    return ret;
+}
+
+
+
 DialogLabelEditor::DialogLabelEditor( WinEDA_SchematicFrame* parent, SCH_TEXT* CurrentText ) :
     DialogLabelEditor_Base( parent )
 {
@@ -25,7 +43,7 @@ DialogLabelEditor::DialogLabelEditor( WinEDA_SchematicFrame* parent, SCH_TEXT* C
 }
 
 
-void DialogLabelEditor::OnInitDialog( wxInitDialogEvent& event )
+void DialogLabelEditor::init()
 {
     wxString msg;
 

eeschema/dialog_edit_label.h

@@ -16,9 +16,25 @@ private:
     WinEDA_SchematicFrame * m_Parent;
     SCH_TEXT * m_CurrentText;
 
-public:
+    void init();
+
+protected:
+    // these are protected so that the static ShowModally() gets used.
     DialogLabelEditor( WinEDA_SchematicFrame* parent, SCH_TEXT * CurrentText);
     ~DialogLabelEditor(){};
+
+
+public:
+
+    /**
+     * Function ShowModally
+     * is a static function that constructs and then displays one of these dialogs.
+     * @param parent
+     * @param CurrentText is one of several classes derived from SCH_TEXT
+     * @return int - the result Dialog::ShowModal()
+     */
+    static int ShowModally(  WinEDA_SchematicFrame* parent, SCH_TEXT * CurrentText );
+
 private:
     void OnInitDialog( wxInitDialogEvent& event );
     void OnButtonOKClick( wxCommandEvent& event );

eeschema/dialog_edit_label_base.cpp

@@ -82,7 +82,6 @@ DialogLabelEditor_Base::DialogLabelEditor_Base( wxWindow* parent, wxWindowID id,
 	this->Layout();
 	
 	// Connect Events
-	this->Connect( wxEVT_INIT_DIALOG, wxInitDialogEventHandler( DialogLabelEditor_Base::OnInitDialog ) );
 	m_buttonOK->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( DialogLabelEditor_Base::OnButtonOKClick ), NULL, this );
 	m_buttonCANCEL->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( DialogLabelEditor_Base::OnButtonCANCEL_Click ), NULL, this );
 }
@@ -90,7 +89,6 @@ DialogLabelEditor_Base::DialogLabelEditor_Base( wxWindow* parent, wxWindowID id,
 DialogLabelEditor_Base::~DialogLabelEditor_Base()
 {
 	// Disconnect Events
-	this->Disconnect( wxEVT_INIT_DIALOG, wxInitDialogEventHandler( DialogLabelEditor_Base::OnInitDialog ) );
 	m_buttonOK->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( DialogLabelEditor_Base::OnButtonOKClick ), NULL, this );
 	m_buttonCANCEL->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( DialogLabelEditor_Base::OnButtonCANCEL_Click ), NULL, this );
 }

eeschema/dialog_edit_label_base.fbp

@@ -53,7 +53,7 @@
             <event name="OnHibernate"></event>
             <event name="OnIconize"></event>
             <event name="OnIdle"></event>
-            <event name="OnInitDialog">OnInitDialog</event>
+            <event name="OnInitDialog"></event>
             <event name="OnKeyDown"></event>
             <event name="OnKeyUp"></event>
             <event name="OnKillFocus"></event>

eeschema/dialog_edit_label_base.h

@@ -50,7 +50,6 @@ class DialogLabelEditor_Base : public wxDialog
 		wxButton* m_buttonCANCEL;
 		
 		// Virtual event handlers, overide them in your derived class
-		virtual void OnInitDialog( wxInitDialogEvent& event ){ event.Skip(); }
 		virtual void OnButtonOKClick( wxCommandEvent& event ){ event.Skip(); }
 		virtual void OnButtonCANCEL_Click( wxCommandEvent& event ){ event.Skip(); }
 		

eeschema/edit_label.cpp

@@ -137,8 +137,7 @@ void WinEDA_SchematicFrame::EditSchematicText( SCH_TEXT* TextStruct,
     DrawPanel->CursorOff( DC );
     RedrawOneStruct( DrawPanel, DC, TextStruct, g_XorMode );
 
-    DialogLabelEditor* dialog = new DialogLabelEditor( this, TextStruct );
+    DialogLabelEditor::ShowModally( this, TextStruct );
-    dialog->ShowModal(); dialog->Destroy();
 
     RedrawOneStruct( DrawPanel, DC, TextStruct, GR_DEFAULT_DRAWMODE );
     DrawPanel->CursorOn( DC );