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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/popupwin.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 #if wxUSE_POPUPWIN
14
15 #include "wx/popupwin.h"
16
17 #ifndef WX_PRECOMP
18 #endif // WX_PRECOMP
19
20 #include <gtk/gtk.h>
21
22 #include "wx/gtk/private/win_gtk.h"
23
24 //-----------------------------------------------------------------------------
25 // "button_press"
26 //-----------------------------------------------------------------------------
27
28 extern "C" {
29 static gint gtk_popup_button_press (GtkWidget *widget, GdkEvent *gdk_event, wxPopupWindow* win )
30 {
31 GtkWidget *child = gtk_get_event_widget (gdk_event);
32
33 /* Ignore events sent out before we connected to the signal */
34 if (win->m_time >= ((GdkEventButton*)gdk_event)->time)
35 return FALSE;
36
37 /* We don't ask for button press events on the grab widget, so
38 * if an event is reported directly to the grab widget, it must
39 * be on a window outside the application (and thus we remove
40 * the popup window). Otherwise, we check if the widget is a child
41 * of the grab widget, and only remove the popup window if it
42 * is not. */
43 if (child != widget)
44 {
45 while (child)
46 {
47 if (child == widget)
48 return FALSE;
49 child = child->parent;
50 }
51 }
52
53 wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
54 event.SetEventObject( win );
55
56 (void)win->HandleWindowEvent( event );
57
58 return TRUE;
59 }
60 }
61
62 //-----------------------------------------------------------------------------
63 // "delete_event"
64 //-----------------------------------------------------------------------------
65
66 extern "C" {
67 bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxPopupWindow *win )
68 {
69 if (win->IsEnabled())
70 win->Close();
71
72 return TRUE;
73 }
74 }
75
76 void wxPopupWindow::AddChildGTK(wxWindowGTK* child)
77 {
78 gtk_widget_set_size_request(
79 child->m_widget, child->m_width, child->m_height);
80 gtk_fixed_put(
81 GTK_FIXED(m_wxwindow), child->m_widget, child->m_x, child->m_y);
82 }
83
84 //-----------------------------------------------------------------------------
85 // wxPopupWindow
86 //-----------------------------------------------------------------------------
87
88 #ifdef __WXUNIVERSAL__
89 BEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase)
90 EVT_SIZE(wxPopupWindow::OnSize)
91 END_EVENT_TABLE()
92 #endif
93
94 wxPopupWindow::~wxPopupWindow()
95 {
96 }
97
98 bool wxPopupWindow::Create( wxWindow *parent, int style )
99 {
100 if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
101 !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("popup") ))
102 {
103 wxFAIL_MSG( wxT("wxPopupWindow creation failed") );
104 return false;
105 }
106
107 // Unlike windows, top level windows are created hidden by default.
108 m_isShown = false;
109
110 // All dialogs should really have this style
111 m_windowStyle |= wxTAB_TRAVERSAL;
112
113 m_widget = gtk_window_new( GTK_WINDOW_POPUP );
114 g_object_ref( m_widget );
115
116 gtk_widget_set_name( m_widget, "wxPopupWindow" );
117 // wxPopupWindow is used for different windows as well
118 // gtk_window_set_type_hint( GTK_WINDOW(m_widget), GDK_WINDOW_TYPE_HINT_COMBO );
119
120 GtkWidget *toplevel = gtk_widget_get_toplevel( parent->m_widget );
121 if (GTK_IS_WINDOW (toplevel))
122 {
123 #if GTK_CHECK_VERSION(2,10,0)
124 if (!gtk_check_version(2,10,0))
125 gtk_window_group_add_window (gtk_window_get_group (GTK_WINDOW (toplevel)), GTK_WINDOW (m_widget));
126 #endif
127
128 gtk_window_set_transient_for (GTK_WINDOW (m_widget), GTK_WINDOW (toplevel));
129 }
130 gtk_window_set_resizable (GTK_WINDOW (m_widget), FALSE);
131 gtk_window_set_screen (GTK_WINDOW (m_widget), gtk_widget_get_screen (GTK_WIDGET (parent->m_widget)));
132
133 g_signal_connect (m_widget, "delete_event",
134 G_CALLBACK (gtk_dialog_delete_callback), this);
135
136 m_wxwindow = wxPizza::New(m_windowStyle);
137 gtk_widget_show( m_wxwindow );
138
139 gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
140
141 if (m_parent) m_parent->AddChild( this );
142
143 PostCreation();
144
145 m_time = gtk_get_current_event_time();
146
147 g_signal_connect (m_widget, "button_press_event",
148 G_CALLBACK (gtk_popup_button_press), this);
149
150 return true;
151 }
152
153 void wxPopupWindow::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
154 {
155 wxFAIL_MSG( wxT("DoMoveWindow called for wxPopupWindow") );
156 }
157
158 void wxPopupWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags )
159 {
160 wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") );
161 wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") );
162
163 int old_x = m_x;
164 int old_y = m_y;
165
166 int old_width = m_width;
167 int old_height = m_height;
168
169 if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
170 m_x = x;
171 if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
172 m_y = y;
173 if (width != -1)
174 m_width = width;
175 if (height != -1)
176 m_height = height;
177
178 ConstrainSize();
179
180 if ((m_x != -1) || (m_y != -1))
181 {
182 if ((m_x != old_x) || (m_y != old_y))
183 {
184 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
185 }
186 }
187
188 if ((m_width != old_width) || (m_height != old_height))
189 {
190 // gtk_window_resize does not work for GTK_WINDOW_POPUP
191 gtk_widget_set_size_request( m_widget, m_width, m_height );
192 wxSizeEvent event(GetSize(), GetId());
193 event.SetEventObject(this);
194 HandleWindowEvent(event);
195 }
196 }
197
198 void wxPopupWindow::SetFocus()
199 {
200 // set the focus to the first child who wants it
201 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
202 while ( node )
203 {
204 wxWindow *child = node->GetData();
205 node = node->GetNext();
206
207 if ( child->CanAcceptFocus() && !child->IsTopLevel() )
208 {
209 child->SetFocus();
210 return;
211 }
212 }
213
214 wxPopupWindowBase::SetFocus();
215 }
216
217 bool wxPopupWindow::Show( bool show )
218 {
219 if (show && !IsShown())
220 {
221 wxSizeEvent event(GetSize(), GetId());
222 event.SetEventObject(this);
223 HandleWindowEvent(event);
224 }
225
226 bool ret = wxWindow::Show( show );
227
228 return ret;
229 }
230
231 #endif // wxUSE_POPUPWIN