+/////////////////////////////////////////////////////////////////////////////
+// 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/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)
+ EVT_SIZE (wxPopupWindow::OnSize)
+END_EVENT_TABLE()
+
+IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow,wxPopupWindowBase)
+
+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;
+ }
+*/
+
+ 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))
+ {
+ /* 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;
+
+ 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;
+
+ /* set size hints */
+ gint flag = 0; // GDK_HINT_POS;
+ if ((m_minWidth != -1) || (m_minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
+ if ((m_maxWidth != -1) || (m_maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
+ GdkGeometry geom;
+ geom.min_width = m_minWidth;
+ geom.min_height = m_minHeight;
+ geom.max_width = m_maxWidth;
+ geom.max_height = m_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 );
+ }
+
+ bool ret = wxWindow::Show( show );
+
+ return ret;
+}
+
projects / wxWidgets.git / commitdiff
