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ad9fb0334fbfe5747b67c09ba714c1f00bd40ff8
wxWidgets/src/gtk1/popupwin.cpp
Robert Roebling ad9fb0334f Dislaying popup tip windows seems to work right now. 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15766 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-06-06 19:35:51 +00:00

364 lines
11 KiB
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/////////////////////////////////////////////////////////////////////////////
// Name: popupwin.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "popupwin.h"
#endif
#include "wx/defs.h"
#if wxUSE_POPUPWIN
#include "wx/popupwin.h"
#include "wx/frame.h"
#include "wx/app.h"
#include "wx/cursor.h"
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "wx/gtk/win_gtk.h"
//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------
extern void wxapp_install_idle_handler();
extern bool g_isIdle;
//-----------------------------------------------------------------------------
// "focus" from m_window
//-----------------------------------------------------------------------------
static gint gtk_dialog_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) )
{
if (g_isIdle)
wxapp_install_idle_handler();
// This disables GTK's tab traversal
gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" );
return TRUE;
}
//-----------------------------------------------------------------------------
// "delete_event"
//-----------------------------------------------------------------------------
bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxPopupWindow *win )
{
if (g_isIdle)
wxapp_install_idle_handler();
if (win->IsEnabled())
win->Close();
return TRUE;
}
//-----------------------------------------------------------------------------
// "size_allocate"
//-----------------------------------------------------------------------------
static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxPopupWindow *win )
{
if (g_isIdle)
wxapp_install_idle_handler();
if (!win->m_hasVMT) return;
if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
{
win->m_width = alloc->width;
win->m_height = alloc->height;
win->GtkUpdateSize();
}
}
//-----------------------------------------------------------------------------
// "realize" from m_widget
//-----------------------------------------------------------------------------
/* we cannot MWM hints and icons before the widget has been realized,
so we do this directly after realization */
static gint
gtk_dialog_realized_callback( GtkWidget * WXUNUSED(widget), wxPopupWindow *win )
{
if (g_isIdle)
wxapp_install_idle_handler();
/* all this is for Motif Window Manager "hints" and is supposed to be
recognized by other WM as well. not tested. */
long decor = (long) GDK_DECOR_BORDER;
long func = (long) GDK_FUNC_MOVE ;
gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor);
gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func);
/* GTK's shrinking/growing policy */
if ((win->GetWindowStyle() & wxRESIZE_BORDER) == 0)
gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
else
gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
return FALSE;
}
//-----------------------------------------------------------------------------
// InsertChild for wxPopupWindow
//-----------------------------------------------------------------------------
/* 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 wxInsertChildInDialog( wxPopupWindow* parent, wxWindow* child )
{
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 );
if (parent->HasFlag(wxTAB_TRAVERSAL))
{
/* we now allow a window to get the focus as long as it
doesn't have any children. */
GTK_WIDGET_UNSET_FLAGS( parent->m_wxwindow, GTK_CAN_FOCUS );
}
}
//-----------------------------------------------------------------------------
// wxPopupWindow
//-----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase)
#ifdef __WXUNIVERSAL__
EVT_SIZE(wxPopupWindow::OnSize)
#endif
END_EVENT_TABLE()
IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
wxPopupWindow::~wxPopupWindow()
{
if (GTK_WIDGET_HAS_GRAB(m_widget))
gtk_grab_remove( m_widget );
}
bool wxPopupWindow::Create( wxWindow *parent, int style )
{
m_needParent = FALSE;
if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
!CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, "popup" ))
{
wxFAIL_MSG( wxT("wxPopupWindow creation failed") );
return FALSE;
}
// All dialogs should really have this style
m_windowStyle |= wxTAB_TRAVERSAL;
m_insertCallback = (wxInsertChildFunction) wxInsertChildInDialog;
m_widget = gtk_window_new( GTK_WINDOW_POPUP );
if ((m_parent) && (GTK_IS_WINDOW(m_parent->m_widget)))
gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
m_wxwindow = gtk_pizza_new();
gtk_widget_show( m_wxwindow );
GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
if (m_parent) m_parent->AddChild( this );
PostCreation();
/* we cannot set MWM hints before the widget has
been realized, so we do this directly after realization */
gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
GTK_SIGNAL_FUNC(gtk_dialog_realized_callback), (gpointer) this );
/* the user resized the frame by dragging etc. */
gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this );
/* disable native tab traversal */
gtk_signal_connect( GTK_OBJECT(m_widget), "focus",
GTK_SIGNAL_FUNC(gtk_dialog_focus_callback), (gpointer)this );
return TRUE;
}
void wxPopupWindow::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
{
wxFAIL_MSG( wxT("DoMoveWindow called for wxPopupWindow") );
}
void wxPopupWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags )
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") );
wxASSERT_MSG( (m_wxwindow != NULL), wxT("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_ALLOW_MINUS_ONE) == 0)
{
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;
}
*/
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_x != -1) || (m_y != -1))
{
if ((m_x != old_x) || (m_y != old_y))
{
/* we set the position here and when showing the dialog
for the first time in idle time */
gtk_widget_set_uposition( m_widget, m_x, m_y );
}
}
if ((m_width != old_width) || (m_height != old_height))
{
gtk_widget_set_usize( m_widget, m_width, m_height );
/* actual resizing is deferred to GtkOnSize in idle time and
when showing the dialog */
m_sizeSet = FALSE;
}
m_resizing = FALSE;
}
void wxPopupWindow::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;
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;
/* 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 );
m_sizeSet = TRUE;
wxSizeEvent event( wxSize(m_width,m_height), GetId() );
event.SetEventObject( this );
GetEventHandler()->ProcessEvent( event );
}
void wxPopupWindow::OnInternalIdle()
{
if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
GtkOnSize( m_x, m_y, m_width, m_height );
wxWindow::OnInternalIdle();
}
bool wxPopupWindow::Show( bool show )
{
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 );
}
if (!show)
gtk_grab_remove( m_widget );
bool ret = wxWindow::Show( show );
if (show)
gtk_grab_add( m_widget );
return ret;
}
#endif // wxUSE_POPUPWIN
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