1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/popupwin.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Copyright: (c) 1998 Robert Roebling
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8
9 // For compilers that support precompilation, includes "wx.h".
10 #include "wx/wxprec.h"
11
12 #if wxUSE_POPUPWIN
13
14 #include "wx/popupwin.h"
15
16 #ifndef WX_PRECOMP
17 #endif // WX_PRECOMP
18
19 #include "wx/gtk/private/wrapgtk.h"
20
21 #include "wx/gtk/private/win_gtk.h"
22
23 //-----------------------------------------------------------------------------
24 // "button_press"
25 //-----------------------------------------------------------------------------
26
27 extern "C" {
gtk_popup_button_press(GtkWidget * widget,GdkEvent * gdk_event,wxPopupWindow * win)28 static gint gtk_popup_button_press (GtkWidget *widget, GdkEvent *gdk_event, wxPopupWindow* win )
29 {
30 GtkWidget *child = gtk_get_event_widget (gdk_event);
31
32 /* Ignore events sent out before we connected to the signal */
33 if (win->m_time >= ((GdkEventButton*)gdk_event)->time)
34 return FALSE;
35
36 /* We don't ask for button press events on the grab widget, so
37 * if an event is reported directly to the grab widget, it must
38 * be on a window outside the application (and thus we remove
39 * the popup window). Otherwise, we check if the widget is a child
40 * of the grab widget, and only remove the popup window if it
41 * is not. */
42 if (child != widget)
43 {
44 while (child)
45 {
46 if (child == widget)
47 return FALSE;
48 child = gtk_widget_get_parent(child);
49 }
50 }
51
52 wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
53 event.SetEventObject( win );
54
55 (void)win->HandleWindowEvent( event );
56
57 return TRUE;
58 }
59 }
60
61 //-----------------------------------------------------------------------------
62 // "delete_event"
63 //-----------------------------------------------------------------------------
64
65 extern "C" {
66 static
gtk_dialog_delete_callback(GtkWidget * WXUNUSED (widget),GdkEvent * WXUNUSED (event),wxPopupWindow * win)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 //-----------------------------------------------------------------------------
77 // wxPopupWindow
78 //-----------------------------------------------------------------------------
79
80 #ifdef __WXUNIVERSAL__
wxBEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase)81 wxBEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase)
82 EVT_SIZE(wxPopupWindow::OnSize)
83 wxEND_EVENT_TABLE()
84 #endif
85
86 wxPopupWindow::~wxPopupWindow()
87 {
88 }
89
Create(wxWindow * parent,int style)90 bool wxPopupWindow::Create( wxWindow *parent, int style )
91 {
92 if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
93 !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("popup") ))
94 {
95 wxFAIL_MSG( wxT("wxPopupWindow creation failed") );
96 return false;
97 }
98
99 // Unlike windows, top level windows are created hidden by default.
100 m_isShown = false;
101
102 // All dialogs should really have this style
103 m_windowStyle |= wxTAB_TRAVERSAL;
104
105 m_widget = gtk_window_new( GTK_WINDOW_POPUP );
106 g_object_ref( m_widget );
107
108 gtk_widget_set_name( m_widget, "wxPopupWindow" );
109 // wxPopupWindow is used for different windows as well
110 // gtk_window_set_type_hint( GTK_WINDOW(m_widget), GDK_WINDOW_TYPE_HINT_COMBO );
111
112 // Popup windows can be created without parent, so handle this correctly.
113 if (parent)
114 {
115 GtkWidget *toplevel = gtk_widget_get_toplevel( parent->m_widget );
116 if (GTK_IS_WINDOW (toplevel))
117 gtk_window_set_transient_for (GTK_WINDOW (m_widget), GTK_WINDOW (toplevel));
118 }
119
120 gtk_window_set_resizable (GTK_WINDOW (m_widget), FALSE);
121
122 g_signal_connect (m_widget, "delete_event",
123 G_CALLBACK (gtk_dialog_delete_callback), this);
124
125 m_wxwindow = wxPizza::New();
126 gtk_widget_show( m_wxwindow );
127
128 gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
129
130 if (m_parent) m_parent->AddChild( this );
131
132 PostCreation();
133
134 m_time = gtk_get_current_event_time();
135
136 g_signal_connect (m_widget, "button_press_event",
137 G_CALLBACK (gtk_popup_button_press), this);
138
139 return true;
140 }
141
DoMoveWindow(int WXUNUSED (x),int WXUNUSED (y),int WXUNUSED (width),int WXUNUSED (height))142 void wxPopupWindow::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
143 {
144 wxFAIL_MSG( wxT("DoMoveWindow called for wxPopupWindow") );
145 }
146
DoSetSize(int x,int y,int width,int height,int sizeFlags)147 void wxPopupWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags )
148 {
149 wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") );
150 wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") );
151
152 int old_x = m_x;
153 int old_y = m_y;
154
155 int old_width = m_width;
156 int old_height = m_height;
157
158 if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
159 m_x = x;
160 if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
161 m_y = y;
162 if (width != -1)
163 m_width = width;
164 if (height != -1)
165 m_height = height;
166
167 ConstrainSize();
168
169 if (m_x != old_x || m_y != old_y)
170 {
171 gtk_window_move(GTK_WINDOW(m_widget), m_x, m_y);
172 wxMoveEvent event(wxPoint(m_x, m_y), GetId());
173 event.SetEventObject(this);
174 HandleWindowEvent(event);
175 }
176
177 if ((m_width != old_width) || (m_height != old_height))
178 {
179 // gtk_window_resize does not work for GTK_WINDOW_POPUP
180 gtk_widget_set_size_request( m_widget, m_width, m_height );
181 wxSizeEvent event(GetSize(), GetId());
182 event.SetEventObject(this);
183 HandleWindowEvent(event);
184 }
185 }
186
SetFocus()187 void wxPopupWindow::SetFocus()
188 {
189 // set the focus to the first child who wants it
190 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
191 while ( node )
192 {
193 wxWindow *child = node->GetData();
194 node = node->GetNext();
195
196 if ( child->CanAcceptFocus() && !child->IsTopLevel() )
197 {
198 child->SetFocus();
199 return;
200 }
201 }
202
203 wxPopupWindowBase::SetFocus();
204 }
205
Show(bool show)206 bool wxPopupWindow::Show( bool show )
207 {
208 if (show && !IsShown())
209 {
210 wxSizeEvent event(GetSize(), GetId());
211 event.SetEventObject(this);
212 HandleWindowEvent(event);
213 }
214
215 bool ret = wxWindow::Show( show );
216
217 return ret;
218 }
219
220 #endif // wxUSE_POPUPWIN
221