]>
Commit | Line | Data |
---|---|---|
1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: popupwin.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
11 | #pragma implementation "popupwin.h" | |
12 | #endif | |
13 | ||
14 | // For compilers that support precompilation, includes "wx.h". | |
15 | #include "wx/wxprec.h" | |
16 | ||
17 | #if wxUSE_POPUPWIN | |
18 | ||
19 | #include "wx/popupwin.h" | |
20 | #include "wx/frame.h" | |
21 | #include "wx/app.h" | |
22 | #include "wx/cursor.h" | |
23 | ||
24 | #include <gdk/gdk.h> | |
25 | #include <gtk/gtk.h> | |
26 | #include <gdk/gdkkeysyms.h> | |
27 | ||
28 | #include "wx/gtk/win_gtk.h" | |
29 | ||
30 | //----------------------------------------------------------------------------- | |
31 | // idle system | |
32 | //----------------------------------------------------------------------------- | |
33 | ||
34 | extern void wxapp_install_idle_handler(); | |
35 | extern bool g_isIdle; | |
36 | ||
37 | //----------------------------------------------------------------------------- | |
38 | // "button_press" | |
39 | //----------------------------------------------------------------------------- | |
40 | ||
41 | extern "C" { | |
42 | static gint gtk_popup_button_press (GtkWidget *widget, GdkEvent *gdk_event, wxPopupWindow* win ) | |
43 | { | |
44 | GtkWidget *child = gtk_get_event_widget (gdk_event); | |
45 | ||
46 | /* We don't ask for button press events on the grab widget, so | |
47 | * if an event is reported directly to the grab widget, it must | |
48 | * be on a window outside the application (and thus we remove | |
49 | * the popup window). Otherwise, we check if the widget is a child | |
50 | * of the grab widget, and only remove the popup window if it | |
51 | * is not. | |
52 | */ | |
53 | if (child != widget) | |
54 | { | |
55 | while (child) | |
56 | { | |
57 | if (child == widget) | |
58 | return FALSE; | |
59 | child = child->parent; | |
60 | } | |
61 | } | |
62 | ||
63 | wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() ); | |
64 | event.SetEventObject( win ); | |
65 | ||
66 | (void)win->GetEventHandler()->ProcessEvent( event ); | |
67 | ||
68 | return TRUE; | |
69 | } | |
70 | } | |
71 | ||
72 | //----------------------------------------------------------------------------- | |
73 | // "focus" from m_window | |
74 | //----------------------------------------------------------------------------- | |
75 | ||
76 | extern "C" { | |
77 | static gint gtk_dialog_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) ) | |
78 | { | |
79 | if (g_isIdle) | |
80 | wxapp_install_idle_handler(); | |
81 | ||
82 | // This disables GTK's tab traversal | |
83 | gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" ); | |
84 | return TRUE; | |
85 | } | |
86 | } | |
87 | ||
88 | //----------------------------------------------------------------------------- | |
89 | // "delete_event" | |
90 | //----------------------------------------------------------------------------- | |
91 | ||
92 | extern "C" { | |
93 | bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxPopupWindow *win ) | |
94 | { | |
95 | if (g_isIdle) | |
96 | wxapp_install_idle_handler(); | |
97 | ||
98 | if (win->IsEnabled()) | |
99 | win->Close(); | |
100 | ||
101 | return TRUE; | |
102 | } | |
103 | } | |
104 | ||
105 | //----------------------------------------------------------------------------- | |
106 | // "realize" from m_widget | |
107 | //----------------------------------------------------------------------------- | |
108 | ||
109 | /* we cannot MWM hints and icons before the widget has been realized, | |
110 | so we do this directly after realization */ | |
111 | ||
112 | extern "C" { | |
113 | static gint | |
114 | gtk_dialog_realized_callback( GtkWidget * WXUNUSED(widget), wxPopupWindow *win ) | |
115 | { | |
116 | if (g_isIdle) | |
117 | wxapp_install_idle_handler(); | |
118 | ||
119 | /* all this is for Motif Window Manager "hints" and is supposed to be | |
120 | recognized by other WM as well. not tested. */ | |
121 | long decor = (long) GDK_DECOR_BORDER; | |
122 | long func = (long) GDK_FUNC_MOVE ; | |
123 | ||
124 | gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor); | |
125 | gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func); | |
126 | ||
127 | gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1); | |
128 | ||
129 | return FALSE; | |
130 | } | |
131 | } | |
132 | ||
133 | //----------------------------------------------------------------------------- | |
134 | // InsertChild for wxPopupWindow | |
135 | //----------------------------------------------------------------------------- | |
136 | ||
137 | /* Callback for wxFrame. This very strange beast has to be used because | |
138 | * C++ has no virtual methods in a constructor. We have to emulate a | |
139 | * virtual function here as wxWidgets requires different ways to insert | |
140 | * a child in container classes. */ | |
141 | ||
142 | static void wxInsertChildInDialog( wxPopupWindow* parent, wxWindow* child ) | |
143 | { | |
144 | gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow), | |
145 | GTK_WIDGET(child->m_widget), | |
146 | child->m_x, | |
147 | child->m_y, | |
148 | child->m_width, | |
149 | child->m_height ); | |
150 | ||
151 | if (parent->HasFlag(wxTAB_TRAVERSAL)) | |
152 | { | |
153 | /* we now allow a window to get the focus as long as it | |
154 | doesn't have any children. */ | |
155 | GTK_WIDGET_UNSET_FLAGS( parent->m_wxwindow, GTK_CAN_FOCUS ); | |
156 | } | |
157 | } | |
158 | ||
159 | //----------------------------------------------------------------------------- | |
160 | // wxPopupWindow | |
161 | //----------------------------------------------------------------------------- | |
162 | ||
163 | BEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase) | |
164 | #ifdef __WXUNIVERSAL__ | |
165 | EVT_SIZE(wxPopupWindow::OnSize) | |
166 | #endif | |
167 | END_EVENT_TABLE() | |
168 | ||
169 | wxPopupWindow::~wxPopupWindow() | |
170 | { | |
171 | } | |
172 | ||
173 | bool wxPopupWindow::Create( wxWindow *parent, int style ) | |
174 | { | |
175 | m_needParent = FALSE; | |
176 | ||
177 | if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) || | |
178 | !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("popup") )) | |
179 | { | |
180 | wxFAIL_MSG( wxT("wxPopupWindow creation failed") ); | |
181 | return FALSE; | |
182 | } | |
183 | ||
184 | // Unlike windows, top level windows are created hidden by default. | |
185 | m_isShown = false; | |
186 | ||
187 | // All dialogs should really have this style | |
188 | m_windowStyle |= wxTAB_TRAVERSAL; | |
189 | ||
190 | m_insertCallback = (wxInsertChildFunction) wxInsertChildInDialog; | |
191 | ||
192 | m_widget = gtk_window_new( GTK_WINDOW_POPUP ); | |
193 | ||
194 | if ((m_parent) && (GTK_IS_WINDOW(m_parent->m_widget))) | |
195 | gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) ); | |
196 | ||
197 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); | |
198 | ||
199 | gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event", | |
200 | GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this ); | |
201 | ||
202 | m_wxwindow = gtk_pizza_new(); | |
203 | gtk_widget_show( m_wxwindow ); | |
204 | GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS ); | |
205 | ||
206 | gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow ); | |
207 | ||
208 | if (m_parent) m_parent->AddChild( this ); | |
209 | ||
210 | PostCreation(); | |
211 | ||
212 | /* we cannot set MWM hints before the widget has | |
213 | been realized, so we do this directly after realization */ | |
214 | gtk_signal_connect( GTK_OBJECT(m_widget), "realize", | |
215 | GTK_SIGNAL_FUNC(gtk_dialog_realized_callback), (gpointer) this ); | |
216 | ||
217 | // disable native tab traversal | |
218 | gtk_signal_connect( GTK_OBJECT(m_widget), "focus", | |
219 | GTK_SIGNAL_FUNC(gtk_dialog_focus_callback), (gpointer)this ); | |
220 | ||
221 | gtk_signal_connect (GTK_OBJECT(m_widget), "button_press_event", | |
222 | GTK_SIGNAL_FUNC(gtk_popup_button_press), (gpointer)this ); | |
223 | ||
224 | return TRUE; | |
225 | } | |
226 | ||
227 | void wxPopupWindow::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) ) | |
228 | { | |
229 | wxFAIL_MSG( wxT("DoMoveWindow called for wxPopupWindow") ); | |
230 | } | |
231 | ||
232 | void wxPopupWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags ) | |
233 | { | |
234 | wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") ); | |
235 | wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") ); | |
236 | ||
237 | if (m_resizing) return; /* I don't like recursions */ | |
238 | m_resizing = TRUE; | |
239 | ||
240 | int old_x = m_x; | |
241 | int old_y = m_y; | |
242 | ||
243 | int old_width = m_width; | |
244 | int old_height = m_height; | |
245 | ||
246 | if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0) | |
247 | { | |
248 | if (x != -1) m_x = x; | |
249 | if (y != -1) m_y = y; | |
250 | if (width != -1) m_width = width; | |
251 | if (height != -1) m_height = height; | |
252 | } | |
253 | else | |
254 | { | |
255 | m_x = x; | |
256 | m_y = y; | |
257 | m_width = width; | |
258 | m_height = height; | |
259 | } | |
260 | ||
261 | /* | |
262 | if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH) | |
263 | { | |
264 | if (width == -1) m_width = 80; | |
265 | } | |
266 | ||
267 | if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT) | |
268 | { | |
269 | if (height == -1) m_height = 26; | |
270 | } | |
271 | */ | |
272 | ||
273 | int minWidth = GetMinWidth(), | |
274 | minHeight = GetMinHeight(), | |
275 | maxWidth = GetMaxWidth(), | |
276 | maxHeight = GetMaxHeight(); | |
277 | ||
278 | if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth; | |
279 | if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight; | |
280 | if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth; | |
281 | if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight; | |
282 | ||
283 | if ((m_x != -1) || (m_y != -1)) | |
284 | { | |
285 | if ((m_x != old_x) || (m_y != old_y)) | |
286 | { | |
287 | /* we set the position here and when showing the dialog | |
288 | for the first time in idle time */ | |
289 | gtk_widget_set_uposition( m_widget, m_x, m_y ); | |
290 | } | |
291 | } | |
292 | ||
293 | if ((m_width != old_width) || (m_height != old_height)) | |
294 | { | |
295 | gtk_widget_set_usize( m_widget, m_width, m_height ); | |
296 | ||
297 | /* actual resizing is deferred to GtkOnSize in idle time and | |
298 | when showing the dialog */ | |
299 | m_sizeSet = FALSE; | |
300 | ||
301 | } | |
302 | ||
303 | m_resizing = FALSE; | |
304 | } | |
305 | ||
306 | void wxPopupWindow::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height ) | |
307 | { | |
308 | // due to a bug in gtk, x,y are always 0 | |
309 | // m_x = x; | |
310 | // m_y = y; | |
311 | ||
312 | if ((m_height == height) && (m_width == width) && (m_sizeSet)) return; | |
313 | if (!m_wxwindow) return; | |
314 | ||
315 | m_width = width; | |
316 | m_height = height; | |
317 | ||
318 | /* FIXME: is this a hack? */ | |
319 | /* Since for some reason GTK will revert to using maximum size ever set | |
320 | for this window, we have to set geometry hints maxsize to match size | |
321 | given. Also set the to that minsize since resizing isn't possible | |
322 | anyway. */ | |
323 | ||
324 | /* set size hints */ | |
325 | gint flag = GDK_HINT_MAX_SIZE | GDK_HINT_MIN_SIZE; // GDK_HINT_POS; | |
326 | GdkGeometry geom; | |
327 | geom.min_width = m_width; | |
328 | geom.min_height = m_height; | |
329 | geom.max_width = m_width; | |
330 | geom.max_height = m_height; | |
331 | gtk_window_set_geometry_hints( GTK_WINDOW(m_widget), | |
332 | (GtkWidget*) NULL, | |
333 | &geom, | |
334 | (GdkWindowHints) flag ); | |
335 | ||
336 | ||
337 | m_sizeSet = TRUE; | |
338 | ||
339 | wxSizeEvent event( wxSize(m_width,m_height), GetId() ); | |
340 | event.SetEventObject( this ); | |
341 | GetEventHandler()->ProcessEvent( event ); | |
342 | } | |
343 | ||
344 | void wxPopupWindow::OnInternalIdle() | |
345 | { | |
346 | if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow)) | |
347 | GtkOnSize( m_x, m_y, m_width, m_height ); | |
348 | ||
349 | wxWindow::OnInternalIdle(); | |
350 | } | |
351 | ||
352 | bool wxPopupWindow::Show( bool show ) | |
353 | { | |
354 | if (show && !m_sizeSet) | |
355 | { | |
356 | /* by calling GtkOnSize here, we don't have to call | |
357 | either after showing the frame, which would entail | |
358 | much ugly flicker nor from within the size_allocate | |
359 | handler, because GTK 1.1.X forbids that. */ | |
360 | ||
361 | GtkOnSize( m_x, m_y, m_width, m_height ); | |
362 | } | |
363 | ||
364 | bool ret = wxWindow::Show( show ); | |
365 | ||
366 | return ret; | |
367 | } | |
368 | ||
369 | #endif // wxUSE_POPUPWIN |