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bfc6fde4b1dd5bfd8ae22839ff9a69cf24eb9120
wxWidgets/src/gtk1/dialog.cpp
Vadim Zeitlin bfc6fde4b1 GetSize() and GetClientSize() changes 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-02-22 11:01:13 +00:00

491 lines
12 KiB
C++
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/////////////////////////////////////////////////////////////////////////////
// Name: dialog.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "dialog.h"
#endif
#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"
//-----------------------------------------------------------------------------
extern wxList wxPendingDelete;
//-----------------------------------------------------------------------------
// "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;
}
//-----------------------------------------------------------------------------
// "size_allocate"
//-----------------------------------------------------------------------------
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" );
*/
if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
{
win->m_sizeSet = FALSE;
win->m_width = alloc->width;
win->m_height = 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;
}
//-----------------------------------------------------------------------------
// wxDialog
//-----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxDialog,wxPanel)
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()
IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxPanel)
wxDialog::wxDialog()
{
m_title = "";
m_sizeSet = FALSE;
m_modalShowing = FALSE;
}
wxDialog::wxDialog( wxWindow *parent,
wxWindowID id, const wxString &title,
const wxPoint &pos, const wxSize &size,
long style, const wxString &name )
{
m_modalShowing = FALSE;
m_sizeSet = FALSE;
Create( parent, id, title, pos, size, style, name );
}
bool wxDialog::Create( wxWindow *parent,
wxWindowID id, const wxString &title,
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_parent) m_parent->AddChild( this );
PostCreation();
gtk_widget_realize( m_widget );
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 );
return TRUE;
}
wxDialog::~wxDialog()
{
wxTopLevelWindows.DeleteObject( this );
if (wxTheApp->GetTopWindow() == this)
{
wxTheApp->SetTopWindow( (wxWindow*) NULL );
}
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;
}
void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
{
if (Validate()) TransferDataFromWindow();
}
void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
{
if (IsModal())
{
EndModal(wxID_CANCEL);
}
else
{
SetReturnCode(wxID_CANCEL);
this->Show(FALSE);
}
}
void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
{
if ( Validate() && TransferDataFromWindow())
{
if (IsModal())
{
EndModal(wxID_OK);
}
else
{
SetReturnCode(wxID_OK);
this->Show(FALSE);
}
}
}
void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
{
// yes
}
void wxDialog::OnCloseWindow(wxCloseEvent& event)
{
// We'll send a Cancel message by default,
// which may close the dialog.
// Check for looping if the Cancel event handler calls Close().
// 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.
static wxList closing;
if (closing.Member(this))
return; // no loops
closing.Append(this);
wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
cancelEvent.SetEventObject( this );
GetEventHandler()->ProcessEvent(cancelEvent);
closing.DeleteObject(this);
}
bool wxDialog::Destroy()
{
if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
return TRUE;
}
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::DoSetSize( int x, int y, int width, int height, int sizeFlags )
{
wxASSERT_MSG( (m_widget != NULL), "invalid dialog" );
wxASSERT_MSG( (m_wxwindow != NULL), "invalid dialog" );
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 (height == -1) m_height = 26;
}
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 ((m_x != old_x) || (m_y != old_y))
{
/* m_sizeSet = FALSE; */
gtk_widget_set_uposition( m_widget, m_x, m_y );
}
}
if ((m_width != old_width) || (m_height != old_height))
{
m_sizeSet = FALSE;
}
m_resizing = FALSE;
}
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;
/* we actually set the size of a frame here and no-where else */
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::Centre( int direction )
{
wxASSERT_MSG( (m_widget != NULL), "invalid dialog" );
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 );
}
void wxDialog::OnInternalIdle()
{
if (!m_sizeSet)
GtkOnSize( m_x, m_y, m_width, m_height );
}
bool wxDialog::Show( bool show )
{
if (!show && IsModal())
{
EndModal( wxID_CANCEL );
}
if (show && !m_sizeSet)
{
/* 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. */
GtkOnSize( m_x, m_y, m_width, m_height );
}
wxWindow::Show( show );
if (show) InitDialog();
return TRUE;
}
bool wxDialog::IsModal() const
{
return m_modalShowing;
}
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" );
}
int wxDialog::ShowModal()
{
if (IsModal())
{
wxFAIL_MSG( "wxDialog:ShowModal called twice" );
return GetReturnCode();
}
Show( TRUE );
m_modalShowing = TRUE;
gtk_grab_add( m_widget );
gtk_main();
gtk_grab_remove( m_widget );
return GetReturnCode();
}
void wxDialog::EndModal( int retCode )
{
SetReturnCode( retCode );
if (!IsModal())
{
wxFAIL_MSG( "wxDialog:EndModal called twice" );
return;
}
m_modalShowing = FALSE;
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 );
}
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