Small code cleanup

[wxWidgets.git] / src / gtk1 / dialog.cpp

diff --git a/src/gtk1/dialog.cpp b/src/gtk1/dialog.cpp
index 4a0e3abd26423e774fa8cdd116d1840b1dd6945b..5a1129b0e2215de42fbcaf0d8632c8e00b7ac6a7 100644 (file)
--- a/src/gtk1/dialog.cpp
+++ b/src/gtk1/dialog.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dialog.cpp
+// Name:        src/gtk1/dialog.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,94 +7,50 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "dialog.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #include "wx/dialog.h"
 
 #include "wx/dialog.h"

-#include "wx/frame.h"
-#include "wx/app.h"

 
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
-#include "wx/gtk/win_gtk.h"
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/frame.h"
+    #include "wx/cursor.h"
+#endif // WX_PRECOMP

 
 

-//-----------------------------------------------------------------------------
+#include "wx/evtloop.h"

 
 

-extern wxList wxPendingDelete;
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>

 
 

-//-----------------------------------------------------------------------------
-// "delete_event"
-//-----------------------------------------------------------------------------
-
-bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
-{
-/*
-    printf( "OnDelete from " );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-        printf( win->GetClassInfo()->GetClassName() );
-    printf( ".\n" );
-*/
-
-    win->Close();
-
-    return TRUE;
-}
+#include "wx/gtk1/win_gtk.h"

 
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------

-// "size_allocate"
+// global data

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxDialog *win )
-{
-    if (!win->HasVMT()) return;
-
-/*
-    printf( "OnDialogResize from " );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-        printf( win->GetClassInfo()->GetClassName() );
-    printf( ".\n" );
-*/
-
-    win->GtkOnSize( alloc->x, alloc->y, alloc->width, alloc->height );
-}
-
-//-----------------------------------------------------------------------------
-// "configure_event"
-//-----------------------------------------------------------------------------
-
-static gint gtk_dialog_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxDialog *win )
-{
-    if (!win->HasVMT()) return FALSE;
-
-    win->m_x = event->x;
-    win->m_y = event->y;
-
-    wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
-    mevent.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( mevent );
-
-    return FALSE;
-}
+extern int g_openDialogs;

 
 //-----------------------------------------------------------------------------
 // wxDialog
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // wxDialog
 //-----------------------------------------------------------------------------
 

-BEGIN_EVENT_TABLE(wxDialog,wxPanel)
+BEGIN_EVENT_TABLE(wxDialog,wxDialogBase)

     EVT_BUTTON  (wxID_OK,       wxDialog::OnOK)
     EVT_BUTTON  (wxID_CANCEL,   wxDialog::OnCancel)
     EVT_BUTTON  (wxID_APPLY,    wxDialog::OnApply)
     EVT_BUTTON  (wxID_OK,       wxDialog::OnOK)
     EVT_BUTTON  (wxID_CANCEL,   wxDialog::OnCancel)
     EVT_BUTTON  (wxID_APPLY,    wxDialog::OnApply)

-    EVT_SIZE    (wxDialog::OnSize)

     EVT_CLOSE   (wxDialog::OnCloseWindow)
 END_EVENT_TABLE()
 
     EVT_CLOSE   (wxDialog::OnCloseWindow)
 END_EVENT_TABLE()
 

-IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxPanel)
+IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow)

 
 

-wxDialog::wxDialog()
+void wxDialog::Init()

 {
 {

-    m_title = "";
-    m_modalShowing = FALSE;
+    m_returnCode = 0;
+    m_sizeSet = false;
+    m_modalShowing = false;
+    m_themeEnabled = true;

 }
 
 wxDialog::wxDialog( wxWindow *parent,
 }
 
 wxDialog::wxDialog( wxWindow *parent,


@@ -102,8 +58,9 @@ wxDialog::wxDialog( wxWindow *parent,
                     const wxPoint &pos, const wxSize &size,
                     long style, const wxString &name )
 {
                     const wxPoint &pos, const wxSize &size,
                     long style, const wxString &name )
 {

-    m_modalShowing = FALSE;
-    Create( parent, id, title, pos, size, style, name );
+    Init();
+
+    (void)Create( parent, id, title, pos, size, style, name );

 }
 
 bool wxDialog::Create( wxWindow *parent,
 }
 
 bool wxDialog::Create( wxWindow *parent,


@@ -111,76 +68,18 @@ bool wxDialog::Create( wxWindow *parent,
                        const wxPoint &pos, const wxSize &size,
                        long style, const wxString &name )
 {
                        const wxPoint &pos, const wxSize &size,
                        long style, const wxString &name )
 {

-    wxTopLevelWindows.Append( this );
-
-    m_needParent = FALSE;
-
-    PreCreation( parent, id, pos, size, style, name );
-
-    m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
-    GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
-
-    gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
-
-    gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
-        GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
-
-    m_wxwindow = gtk_myfixed_new();
-    gtk_widget_show( m_wxwindow );
-    GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
-
-    gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
-
-    SetTitle( title );
-
-    if ((m_x != -1) || (m_y != -1))
-        gtk_widget_set_uposition( m_widget, m_x, m_y );
-
-    gtk_widget_set_usize( m_widget, m_width, m_height );
-
-    gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
-        GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this );
-
-    gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
-        GTK_SIGNAL_FUNC(gtk_dialog_configure_callback), (gpointer)this );
-
-    if (m_parent) m_parent->AddChild( this );
-
-    PostCreation();
-
-    return TRUE;
-}
-
-wxDialog::~wxDialog()
-{
-    wxTopLevelWindows.DeleteObject( this );
+    SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);

 
 

-    if (wxTheApp->GetTopWindow() == this)
-    {
-        wxTheApp->SetTopWindow( (wxWindow*) NULL );
-    }
+    // all dialogs should have tab traversal enabled
+    style |= wxTAB_TRAVERSAL;

 
 

-    if (wxTopLevelWindows.Number() == 0)
-    {
-        wxTheApp->ExitMainLoop();
-    }
-}
-
-void wxDialog::SetTitle( const wxString& title )
-{
-    m_title = title;
-    if (m_title.IsNull()) m_title = "";
-    gtk_window_set_title( GTK_WINDOW(m_widget), m_title );
-}
-
-wxString wxDialog::GetTitle() const
-{
-    return (wxString&)m_title;
+    return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);

 }
 
 void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
 {
 }
 
 void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
 {

-    if (Validate()) TransferDataFromWindow();
+    if (Validate())
+        TransferDataFromWindow();

 }
 
 void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
 }
 
 void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )


@@ -192,13 +91,13 @@ void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
     else
     {
         SetReturnCode(wxID_CANCEL);
     else
     {
         SetReturnCode(wxID_CANCEL);

-        this->Show(FALSE);
+        Show(false);

     }
 }
 
 void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
 {
     }
 }
 
 void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
 {

-    if ( Validate() && TransferDataFromWindow())
+    if (Validate() && TransferDataFromWindow())

     {
         if (IsModal())
         {
     {
         if (IsModal())
         {


@@ -207,7 +106,7 @@ void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
         else
         {
             SetReturnCode(wxID_OK);
         else
         {
             SetReturnCode(wxID_OK);

-            this->Show(FALSE);
+            Show(false);

         }
     }
 }
         }
     }
 }


@@ -217,186 +116,57 @@ void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
     // yes
 }
 
     // yes
 }
 

-void wxDialog::OnCloseWindow(wxCloseEvent& event)
+void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))

 {
 {

-    static wxList closing;
+    // We'll send a Cancel message by default,
+    // which may close the dialog.
+    // Check for looping if the Cancel event handler calls Close().

 
 

-    if (closing.Member(this))
-        return;   // no loops
+    // Note that if a cancel button and handler aren't present in the dialog,
+    // nothing will happen when you close the dialog via the window manager, or
+    // via Close().
+    // We wouldn't want to destroy the dialog by default, since the dialog may have been
+    // created on the stack.
+    // However, this does mean that calling dialog->Close() won't delete the dialog
+    // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
+    // sure to destroy the dialog.
+    // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.

 
 

-    if ( event.GetVeto() )
-        return;
+    static wxList s_closing;
+
+    if (s_closing.Member(this))
+        return;   // no loops

 
 

-    closing.Append(this);
+    s_closing.Append(this);

 
     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
     cancelEvent.SetEventObject( this );
     GetEventHandler()->ProcessEvent(cancelEvent);
 
     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
     cancelEvent.SetEventObject( this );
     GetEventHandler()->ProcessEvent(cancelEvent);

-    closing.DeleteObject(this);
+    s_closing.DeleteObject(this);

 }
 
 }
 

-bool wxDialog::Destroy()
-{
-    if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
-
-    return TRUE;
-}
-
-void wxDialog::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
-{
-    // due to a bug in gtk, x,y are always 0
-    // m_x = x;
-    // m_y = y;
-
-    if ((m_height == height) && (m_width == width) &&
-        (m_sizeSet)) return;
-    if (!m_wxwindow) return;
-
-    m_width = width;
-    m_height = height;
-
-    if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
-    if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
-    if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
-    if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
-
-    gtk_widget_set_usize( m_widget, m_width, m_height );
-
-    m_sizeSet = TRUE;
-
-    wxSizeEvent event( wxSize(m_width,m_height), GetId() );
-    event.SetEventObject( this );
-    GetEventHandler()->ProcessEvent( event );
-}
-
-void wxDialog::OnSize( wxSizeEvent &WXUNUSED(event) )
-{
-    wxASSERT_MSG( (m_widget != NULL), "invalid dialog" );
-
-    if (GetAutoLayout())
-    {
-        Layout();
-    }
-    else
-    {
-        // no child: go out !
-        if (!GetChildren().First()) return;
-
-        // do we have exactly one child?
-        wxWindow *child = (wxWindow *) NULL;
-        for(wxNode *node = GetChildren().First(); node; node = node->Next())
-        {
-            wxWindow *win = (wxWindow *)node->Data();
-            if (!wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog))
-            {
-                // it's the second one: do nothing
-                if (child) return;
-                child = win;
-            }
-        }
-
-        // yes: set it's size to fill all the frame
-        int client_x, client_y;
-        GetClientSize( &client_x, &client_y );
-        child->SetSize( 1, 1, client_x-2, client_y);
-    }
-}
-
-void wxDialog::SetSize( int x, int y, int width, int height, int sizeFlags )
+bool wxDialog::Show( bool show )

 {
 {

-    wxASSERT_MSG( (m_widget != NULL), "invalid window" );
-
-    // Don't do anything for children of wxMDIChildFrame
-    if (!m_wxwindow) return;
-
-    if (m_resizing) return; // I don't like recursions
-    m_resizing = TRUE;
-
-    int old_x = m_x;
-    int old_y = m_y;
-    int old_width = m_width;
-    int old_height = m_height;
-
-    if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
-    {
-        if (x != -1) m_x = x;
-        if (y != -1) m_y = y;
-        if (width != -1) m_width = width;
-        if (height != -1) m_height = height;
-    }
-    else
-    {
-        m_x = x;
-        m_y = y;
-        m_width = width;
-        m_height = height;
-    }
-
-    if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
-    {
-        if (width == -1) m_width = 80;
-    }
-
-    if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
+    if (!show && IsModal())

     {
     {

-       if (height == -1) m_height = 26;
+        EndModal( wxID_CANCEL );

     }
 
     }
 

-    if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
-    if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
-    if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
-    if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
-
-    if ((m_x != -1) || (m_y != -1))
+    if (show && !m_sizeSet)

     {
     {

-        if ((m_x != old_x) || (m_y != old_y))
-            gtk_widget_set_uposition( m_widget, m_x, m_y );
-    }
+        /* by calling GtkOnSize here, we don't have to call
+           either after showing the frame, which would entail
+           much ugly flicker nor from within the size_allocate
+           handler, because GTK 1.1.X forbids that. */

 
 

-    if ((m_width != old_width) || (m_height != old_height))
-    {
-        gtk_widget_set_usize( m_widget, m_width, m_height );
+        GtkOnSize( m_x, m_y, m_width, m_height );

     }
 
     }
 

-    m_sizeSet = TRUE;
-
-    wxSizeEvent event( wxSize(m_width,m_height), GetId() );
-    event.SetEventObject( this );
-    GetEventHandler()->ProcessEvent( event );
-
-    m_resizing = FALSE;
-}
-
-void wxDialog::SetSize( int width, int height )
-{
-    SetSize( -1, -1, width, height, wxSIZE_USE_EXISTING );
-}
-
-void wxDialog::Centre( int direction )
-{
-    wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
-
-    int x = 0;
-    int y = 0;
-
-    if (direction & wxHORIZONTAL == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
-    if (direction & wxVERTICAL == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
-
-    Move( x, y );
-}
-
-bool wxDialog::Show( bool show )
-{
-    if (!show && IsModal())
-    {
-      EndModal( wxID_CANCEL );
-    }
-
-    wxWindow::Show( show );
+    bool ret = wxWindow::Show( show );

 
     if (show) InitDialog();
 
 
     if (show) InitDialog();
 

-    return TRUE;
+    return ret;

 }
 
 bool wxDialog::IsModal() const
 }
 
 bool wxDialog::IsModal() const


@@ -406,31 +176,48 @@ bool wxDialog::IsModal() const
 
 void wxDialog::SetModal( bool WXUNUSED(flag) )
 {
 
 void wxDialog::SetModal( bool WXUNUSED(flag) )
 {

-/*
-  if (flag)
-    m_windowStyle |= wxDIALOG_MODAL;
-  else
-    if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL;
-*/
-    wxFAIL_MSG( "wxDialog:SetModal obsolete now" );
+    wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );

 }
 
 int wxDialog::ShowModal()
 {
     if (IsModal())
     {
 }
 
 int wxDialog::ShowModal()
 {
     if (IsModal())
     {

-       wxFAIL_MSG( "wxDialog:ShowModal called twice" );
+       wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );

        return GetReturnCode();
     }
 
        return GetReturnCode();
     }
 

-    Show( TRUE );
+    // use the apps top level window as parent if none given unless explicitly
+    // forbidden
+    if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
+    {
+        wxWindow *parent = wxTheApp->GetTopWindow();
+        if ( parent &&
+                parent != this &&
+                    !parent->IsBeingDeleted() &&
+                        !(parent->GetExtraStyle() & wxWS_EX_TRANSIENT) )
+        {
+            m_parent = parent;
+            gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(parent->m_widget) );
+        }
+    }
+
+    wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
+
+    Show( true );

 
 

-    m_modalShowing = TRUE;
+    m_modalShowing = true;
+
+    g_openDialogs++;

 
     gtk_grab_add( m_widget );
 
     gtk_grab_add( m_widget );

-    gtk_main();
+
+    wxEventLoop().Run();
+

     gtk_grab_remove( m_widget );
 
     gtk_grab_remove( m_widget );
 

+    g_openDialogs--;
+

     return GetReturnCode();
 }
 
     return GetReturnCode();
 }
 


@@ -440,30 +227,13 @@ void wxDialog::EndModal( int retCode )
 
     if (!IsModal())
     {
 
     if (!IsModal())
     {

-        wxFAIL_MSG( "wxDialog:EndModal called twice" );
+        wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );

         return;
     }
 
         return;
     }
 

-    m_modalShowing = FALSE;
+    m_modalShowing = false;

 
     gtk_main_quit();
 
 
     gtk_main_quit();
 

-    Show( FALSE );
-}
-
-void wxDialog::InitDialog()
-{
-    wxWindow::InitDialog();
-}
-
-void wxDialog::SetIcon( const wxIcon &icon )
-{
-    m_icon = icon;
-    if (!icon.Ok()) return;
-
-    wxMask *mask = icon.GetMask();
-    GdkBitmap *bm = (GdkBitmap *) NULL;
-    if (mask) bm = mask->GetBitmap();
-
-    gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
+    Show( false );

 }
 }