wxWidgets/src/gtk1/frame.cpp
Robert Roebling 3851e47918 Applied patch for hiding statusbar.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26850 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-04-18 10:27:11 +00:00

697 lines
21 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: frame.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "frame.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/defs.h"
#include "wx/dialog.h"
#include "wx/control.h"
#include "wx/app.h"
#include "wx/menu.h"
#if wxUSE_TOOLBAR
#include "wx/toolbar.h"
#endif
#if wxUSE_STATUSBAR
#include "wx/statusbr.h"
#endif
#include "wx/dcclient.h"
#include <glib.h>
#include "wx/gtk/private.h"
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkx.h>
#include "wx/gtk/win_gtk.h"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
const int wxSTATUS_HEIGHT = 25;
const int wxPLACE_HOLDER = 0;
// ----------------------------------------------------------------------------
// idle system
// ----------------------------------------------------------------------------
extern void wxapp_install_idle_handler();
extern bool g_isIdle;
extern int g_openDialogs;
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// GTK callbacks
// ----------------------------------------------------------------------------
#if wxUSE_MENUS_NATIVE
//-----------------------------------------------------------------------------
// "child_attached" of menu bar
//-----------------------------------------------------------------------------
static void gtk_menu_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
{
if (!win->m_hasVMT) return;
win->m_menuBarDetached = FALSE;
win->GtkUpdateSize();
}
//-----------------------------------------------------------------------------
// "child_detached" of menu bar
//-----------------------------------------------------------------------------
static void gtk_menu_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
{
if (g_isIdle)
wxapp_install_idle_handler();
if (!win->m_hasVMT) return;
// Raise the client area area
gdk_window_raise( win->m_wxwindow->window );
win->m_menuBarDetached = TRUE;
win->GtkUpdateSize();
}
#endif // wxUSE_MENUS_NATIVE
#if wxUSE_TOOLBAR
//-----------------------------------------------------------------------------
// "child_attached" of tool bar
//-----------------------------------------------------------------------------
static void gtk_toolbar_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
{
if (!win->m_hasVMT) return;
win->m_toolBarDetached = FALSE;
win->GtkUpdateSize();
}
//-----------------------------------------------------------------------------
// "child_detached" of tool bar
//-----------------------------------------------------------------------------
static void gtk_toolbar_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
{
if (g_isIdle)
wxapp_install_idle_handler();
if (!win->m_hasVMT) return;
// Raise the client area area
gdk_window_raise( win->m_wxwindow->window );
win->m_toolBarDetached = TRUE;
win->GtkUpdateSize();
}
#endif // wxUSE_TOOLBAR
// ----------------------------------------------------------------------------
// wxFrame itself
// ----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// InsertChild for wxFrame
//-----------------------------------------------------------------------------
/* Callback for wxFrame. This very strange beast has to be used because
* C++ has no virtual methods in a constructor. We have to emulate a
* virtual function here as wxWindows requires different ways to insert
* a child in container classes. */
static void wxInsertChildInFrame( wxFrame* parent, wxWindow* child )
{
wxASSERT( GTK_IS_WIDGET(child->m_widget) );
if (!parent->m_insertInClientArea)
{
// These are outside the client area
wxFrame* frame = (wxFrame*) parent;
gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
GTK_WIDGET(child->m_widget),
child->m_x,
child->m_y,
child->m_width,
child->m_height );
#if wxUSE_TOOLBAR_NATIVE
// We connect to these events for recalculating the client area
// space when the toolbar is floating
if (wxIS_KIND_OF(child,wxToolBar))
{
wxToolBar *toolBar = (wxToolBar*) child;
if (toolBar->GetWindowStyle() & wxTB_DOCKABLE)
{
gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_attached",
GTK_SIGNAL_FUNC(gtk_toolbar_attached_callback), (gpointer)parent );
gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_detached",
GTK_SIGNAL_FUNC(gtk_toolbar_detached_callback), (gpointer)parent );
}
}
#endif // wxUSE_TOOLBAR
}
else
{
// These are inside the client area
gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
GTK_WIDGET(child->m_widget),
child->m_x,
child->m_y,
child->m_width,
child->m_height );
}
// Resize on OnInternalIdle
parent->GtkUpdateSize();
}
// ----------------------------------------------------------------------------
// wxFrame creation
// ----------------------------------------------------------------------------
void wxFrame::Init()
{
m_menuBarDetached = FALSE;
m_toolBarDetached = FALSE;
m_menuBarHeight = 2;
}
bool wxFrame::Create( wxWindow *parent,
wxWindowID id,
const wxString& title,
const wxPoint& pos,
const wxSize& sizeOrig,
long style,
const wxString &name )
{
bool rt = wxTopLevelWindow::Create(parent, id, title, pos, sizeOrig,
style, name);
m_insertCallback = (wxInsertChildFunction) wxInsertChildInFrame;
return rt;
}
wxFrame::~wxFrame()
{
m_isBeingDeleted = TRUE;
DeleteAllBars();
}
// ----------------------------------------------------------------------------
// overridden wxWindow methods
// ----------------------------------------------------------------------------
void wxFrame::DoGetClientSize( int *width, int *height ) const
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
wxTopLevelWindow::DoGetClientSize( width, height );
if (height)
{
#if wxUSE_MENUS_NATIVE
// menu bar
if (m_frameMenuBar)
{
if (!m_menuBarDetached)
(*height) -= m_menuBarHeight;
else
(*height) -= wxPLACE_HOLDER;
}
#endif // wxUSE_MENUS_NATIVE
#if wxUSE_STATUSBAR
// status bar
if (m_frameStatusBar && m_frameStatusBar->IsShown())
(*height) -= wxSTATUS_HEIGHT;
#endif // wxUSE_STATUSBAR
#if wxUSE_TOOLBAR
// tool bar
if (m_frameToolBar && m_frameToolBar->IsShown())
{
if (m_toolBarDetached)
{
*height -= wxPLACE_HOLDER;
}
else
{
int x, y;
m_frameToolBar->GetSize( &x, &y );
if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
{
*width -= x;
}
else
{
*height -= y;
}
}
}
#endif // wxUSE_TOOLBAR
}
}
void wxFrame::DoSetClientSize( int width, int height )
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
#if wxUSE_MENUS_NATIVE
// menu bar
if (m_frameMenuBar)
{
if (!m_menuBarDetached)
height += m_menuBarHeight;
else
height += wxPLACE_HOLDER;
}
#endif // wxUSE_MENUS_NATIVE
#if wxUSE_STATUSBAR
// status bar
if (m_frameStatusBar && m_frameStatusBar->IsShown()) height += wxSTATUS_HEIGHT;
#endif
#if wxUSE_TOOLBAR
// tool bar
if (m_frameToolBar && m_frameToolBar->IsShown())
{
if (m_toolBarDetached)
{
height += wxPLACE_HOLDER;
}
else
{
int x, y;
m_frameToolBar->GetSize( &x, &y );
if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
{
width += x;
}
else
{
height += y;
}
}
}
#endif
wxTopLevelWindow::DoSetClientSize( width, height );
}
void wxFrame::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;
// avoid recursions
if (m_resizing) return;
m_resizing = TRUE;
// this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
m_width = width;
m_height = height;
// space occupied by m_frameToolBar and m_frameMenuBar
int client_area_x_offset = 0,
client_area_y_offset = 0;
/* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
set in wxFrame::Create so it is used to check what kind of frame we
have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
skip the part which handles m_frameMenuBar, m_frameToolBar and (most
importantly) m_mainWidget */
int minWidth = GetMinWidth(),
minHeight = GetMinHeight(),
maxWidth = GetMaxWidth(),
maxHeight = GetMaxHeight();
if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
if (m_mainWidget)
{
// set size hints
gint flag = 0; // GDK_HINT_POS;
if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
GdkGeometry geom;
geom.min_width = minWidth;
geom.min_height = minHeight;
geom.max_width = maxWidth;
geom.max_height = maxHeight;
gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
(GtkWidget*) NULL,
&geom,
(GdkWindowHints) flag );
// I revert back to wxGTK's original behaviour. m_mainWidget holds
// the menubar, the toolbar and the client area, which is represented
// by m_wxwindow.
// This hurts in the eye, but I don't want to call SetSize()
// because I don't want to call any non-native functions here.
#if wxUSE_MENUS_NATIVE
if (m_frameMenuBar)
{
int xx = m_miniEdge;
int yy = m_miniEdge + m_miniTitle;
int ww = m_width - 2*m_miniEdge;
int hh = m_menuBarHeight;
if (m_menuBarDetached) hh = wxPLACE_HOLDER;
m_frameMenuBar->m_x = xx;
m_frameMenuBar->m_y = yy;
m_frameMenuBar->m_width = ww;
m_frameMenuBar->m_height = hh;
gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
m_frameMenuBar->m_widget,
xx, yy, ww, hh );
client_area_y_offset += hh;
}
#endif // wxUSE_MENUS_NATIVE
#if wxUSE_TOOLBAR
if ((m_frameToolBar) && m_frameToolBar->IsShown() &&
(m_frameToolBar->m_widget->parent == m_mainWidget))
{
int xx = m_miniEdge;
int yy = m_miniEdge + m_miniTitle;
#if wxUSE_MENUS_NATIVE
if (m_frameMenuBar)
{
if (!m_menuBarDetached)
yy += m_menuBarHeight;
else
yy += wxPLACE_HOLDER;
}
#endif // wxUSE_MENUS_NATIVE
m_frameToolBar->m_x = xx;
m_frameToolBar->m_y = yy;
// don't change the toolbar's reported height/width
int ww, hh;
if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
{
ww = m_toolBarDetached ? wxPLACE_HOLDER
: m_frameToolBar->m_width;
hh = m_height - 2*m_miniEdge;
client_area_x_offset += ww;
}
else
{
ww = m_width - 2*m_miniEdge;
hh = m_toolBarDetached ? wxPLACE_HOLDER
: m_frameToolBar->m_height;
client_area_y_offset += hh;
}
gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
m_frameToolBar->m_widget,
xx, yy, ww, hh );
}
#endif // wxUSE_TOOLBAR
int client_x = client_area_x_offset + m_miniEdge;
int client_y = client_area_y_offset + m_miniEdge + m_miniTitle;
int client_w = m_width - client_area_x_offset - 2*m_miniEdge;
int client_h = m_height - client_area_y_offset- 2*m_miniEdge - m_miniTitle;
gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
m_wxwindow,
client_x, client_y, client_w, client_h );
}
else
{
// If there is no m_mainWidget between m_widget and m_wxwindow there
// is no need to set the size or position of m_wxwindow.
}
#if wxUSE_STATUSBAR
if (m_frameStatusBar && m_frameStatusBar->IsShown())
{
int xx = 0 + m_miniEdge;
int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge - client_area_y_offset;
int ww = m_width - 2*m_miniEdge;
int hh = wxSTATUS_HEIGHT;
m_frameStatusBar->m_x = xx;
m_frameStatusBar->m_y = yy;
m_frameStatusBar->m_width = ww;
m_frameStatusBar->m_height = hh;
gtk_pizza_set_size( GTK_PIZZA(m_wxwindow),
m_frameStatusBar->m_widget,
xx, yy, ww, hh );
gtk_widget_draw( m_frameStatusBar->m_widget, (GdkRectangle*) NULL );
}
#endif // wxUSE_STATUSBAR
m_sizeSet = TRUE;
// send size event to frame
wxSizeEvent event( wxSize(m_width,m_height), GetId() );
event.SetEventObject( this );
GetEventHandler()->ProcessEvent( event );
#if wxUSE_STATUSBAR
// send size event to status bar
if (m_frameStatusBar)
{
wxSizeEvent event2( wxSize(m_frameStatusBar->m_width,m_frameStatusBar->m_height), m_frameStatusBar->GetId() );
event2.SetEventObject( m_frameStatusBar );
m_frameStatusBar->GetEventHandler()->ProcessEvent( event2 );
}
#endif // wxUSE_STATUSBAR
m_resizing = FALSE;
}
void wxFrame::OnInternalIdle()
{
wxFrameBase::OnInternalIdle();
#if wxUSE_MENUS_NATIVE
if (m_frameMenuBar) m_frameMenuBar->OnInternalIdle();
#endif // wxUSE_MENUS_NATIVE
#if wxUSE_TOOLBAR
if (m_frameToolBar) m_frameToolBar->OnInternalIdle();
#endif
#if wxUSE_STATUSBAR
if (m_frameStatusBar) m_frameStatusBar->OnInternalIdle();
#endif
}
// ----------------------------------------------------------------------------
// menu/tool/status bar stuff
// ----------------------------------------------------------------------------
#if wxUSE_MENUS_NATIVE
void wxFrame::DetachMenuBar()
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
if ( m_frameMenuBar )
{
m_frameMenuBar->UnsetInvokingWindow( this );
if (m_frameMenuBar->GetWindowStyle() & wxMB_DOCKABLE)
{
gtk_signal_disconnect_by_func( GTK_OBJECT(m_frameMenuBar->m_widget),
GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
gtk_signal_disconnect_by_func( GTK_OBJECT(m_frameMenuBar->m_widget),
GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
}
gtk_widget_ref( m_frameMenuBar->m_widget );
gtk_container_remove( GTK_CONTAINER(m_mainWidget), m_frameMenuBar->m_widget );
}
wxFrameBase::DetachMenuBar();
}
void wxFrame::AttachMenuBar( wxMenuBar *menuBar )
{
wxFrameBase::AttachMenuBar(menuBar);
if (m_frameMenuBar)
{
m_frameMenuBar->SetInvokingWindow( this );
m_frameMenuBar->SetParent(this);
gtk_pizza_put( GTK_PIZZA(m_mainWidget),
m_frameMenuBar->m_widget,
m_frameMenuBar->m_x,
m_frameMenuBar->m_y,
m_frameMenuBar->m_width,
m_frameMenuBar->m_height );
if (menuBar->GetWindowStyle() & wxMB_DOCKABLE)
{
gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_attached",
GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_detached",
GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
}
gtk_widget_show( m_frameMenuBar->m_widget );
UpdateMenuBarSize();
}
else
{
m_menuBarHeight = 2;
GtkUpdateSize(); // resize window in OnInternalIdle
}
}
void wxFrame::UpdateMenuBarSize()
{
wxASSERT_MSG( m_frameMenuBar, _T("Updating non existant menubar?") );
GtkRequisition req;
req.width = 2;
req.height = 2;
(* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_frameMenuBar->m_widget) )->size_request )
(m_frameMenuBar->m_widget, &req );
m_menuBarHeight = req.height;
// resize window in OnInternalIdle
GtkUpdateSize();
}
#endif // wxUSE_MENUS_NATIVE
#if wxUSE_TOOLBAR
wxToolBar* wxFrame::CreateToolBar( long style, wxWindowID id, const wxString& name )
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
m_insertInClientArea = FALSE;
m_frameToolBar = wxFrameBase::CreateToolBar( style, id, name );
m_insertInClientArea = TRUE;
GtkUpdateSize();
return m_frameToolBar;
}
void wxFrame::SetToolBar(wxToolBar *toolbar)
{
bool hadTbar = m_frameToolBar != NULL;
wxFrameBase::SetToolBar(toolbar);
if ( m_frameToolBar )
{
// insert into toolbar area if not already there
if ((m_frameToolBar->m_widget->parent) &&
(m_frameToolBar->m_widget->parent != m_mainWidget))
{
GetChildren().DeleteObject( m_frameToolBar );
gtk_widget_reparent( m_frameToolBar->m_widget, m_mainWidget );
GtkUpdateSize();
}
}
else // toolbar unset
{
// still need to update size if it had been there before
if ( hadTbar )
{
GtkUpdateSize();
}
}
}
#endif // wxUSE_TOOLBAR
#if wxUSE_STATUSBAR
wxStatusBar* wxFrame::CreateStatusBar(int number,
long style,
wxWindowID id,
const wxString& name)
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
// because it will change when toolbar is added
GtkUpdateSize();
return wxFrameBase::CreateStatusBar( number, style, id, name );
}
void wxFrame::SetStatusBar(wxStatusBar *statbar)
{
bool hadStatBar = m_frameStatusBar != NULL;
wxFrameBase::SetStatusBar(statbar);
if (hadStatBar && !m_frameToolBar)
GtkUpdateSize();
}
void wxFrame::PositionStatusBar()
{
if ( !m_frameStatusBar )
return;
GtkUpdateSize();
}
#endif // wxUSE_STATUSBAR