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9f41d601 RR |
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 | #ifdef __GNUG__ | |
11 | #pragma implementation "popupwin.h" | |
12 | #endif | |
13 | ||
f3ecfad1 VS |
14 | #include "wx/defs.h" |
15 | ||
16 | #if wxUSE_POPUPWIN | |
17 | ||
9f41d601 RR |
18 | #include "wx/popupwin.h" |
19 | #include "wx/frame.h" | |
20 | #include "wx/app.h" | |
21 | #include "wx/cursor.h" | |
22 | ||
23 | #include <gdk/gdk.h> | |
24 | #include <gtk/gtk.h> | |
25 | #include <gdk/gdkkeysyms.h> | |
26 | ||
27 | #include "wx/gtk/win_gtk.h" | |
28 | ||
29 | //----------------------------------------------------------------------------- | |
30 | // idle system | |
31 | //----------------------------------------------------------------------------- | |
32 | ||
33 | extern void wxapp_install_idle_handler(); | |
34 | extern bool g_isIdle; | |
35 | ||
36 | //----------------------------------------------------------------------------- | |
37 | // "focus" from m_window | |
38 | //----------------------------------------------------------------------------- | |
39 | ||
40 | static gint gtk_dialog_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) ) | |
41 | { | |
42 | if (g_isIdle) | |
43 | wxapp_install_idle_handler(); | |
44 | ||
45 | // This disables GTK's tab traversal | |
46 | gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" ); | |
47 | return TRUE; | |
48 | } | |
49 | ||
50 | //----------------------------------------------------------------------------- | |
51 | // "delete_event" | |
52 | //----------------------------------------------------------------------------- | |
53 | ||
54 | bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxPopupWindow *win ) | |
55 | { | |
56 | if (g_isIdle) | |
57 | wxapp_install_idle_handler(); | |
58 | ||
59 | if (win->IsEnabled()) | |
60 | win->Close(); | |
61 | ||
62 | return TRUE; | |
63 | } | |
64 | ||
65 | //----------------------------------------------------------------------------- | |
66 | // "size_allocate" | |
67 | //----------------------------------------------------------------------------- | |
68 | ||
69 | static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxPopupWindow *win ) | |
70 | { | |
71 | if (g_isIdle) | |
72 | wxapp_install_idle_handler(); | |
73 | ||
74 | if (!win->m_hasVMT) return; | |
75 | ||
76 | if ((win->m_width != alloc->width) || (win->m_height != alloc->height)) | |
77 | { | |
78 | win->m_width = alloc->width; | |
79 | win->m_height = alloc->height; | |
80 | win->GtkUpdateSize(); | |
81 | } | |
82 | } | |
83 | ||
84 | //----------------------------------------------------------------------------- | |
85 | // "realize" from m_widget | |
86 | //----------------------------------------------------------------------------- | |
87 | ||
88 | /* we cannot MWM hints and icons before the widget has been realized, | |
89 | so we do this directly after realization */ | |
90 | ||
91 | static gint | |
92 | gtk_dialog_realized_callback( GtkWidget * WXUNUSED(widget), wxPopupWindow *win ) | |
93 | { | |
94 | if (g_isIdle) | |
95 | wxapp_install_idle_handler(); | |
96 | ||
97 | /* all this is for Motif Window Manager "hints" and is supposed to be | |
98 | recognized by other WM as well. not tested. */ | |
99 | long decor = (long) GDK_DECOR_BORDER; | |
100 | long func = (long) GDK_FUNC_MOVE ; | |
101 | ||
102 | gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor); | |
103 | gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func); | |
104 | ||
105 | /* GTK's shrinking/growing policy */ | |
106 | if ((win->GetWindowStyle() & wxRESIZE_BORDER) == 0) | |
107 | gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1); | |
108 | else | |
109 | gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1); | |
110 | ||
111 | return FALSE; | |
112 | } | |
113 | ||
114 | //----------------------------------------------------------------------------- | |
115 | // InsertChild for wxPopupWindow | |
116 | //----------------------------------------------------------------------------- | |
117 | ||
118 | /* Callback for wxFrame. This very strange beast has to be used because | |
119 | * C++ has no virtual methods in a constructor. We have to emulate a | |
120 | * virtual function here as wxWindows requires different ways to insert | |
121 | * a child in container classes. */ | |
122 | ||
123 | static void wxInsertChildInDialog( wxPopupWindow* parent, wxWindow* child ) | |
124 | { | |
125 | gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow), | |
126 | GTK_WIDGET(child->m_widget), | |
127 | child->m_x, | |
128 | child->m_y, | |
129 | child->m_width, | |
130 | child->m_height ); | |
131 | ||
132 | if (parent->HasFlag(wxTAB_TRAVERSAL)) | |
133 | { | |
134 | /* we now allow a window to get the focus as long as it | |
135 | doesn't have any children. */ | |
136 | GTK_WIDGET_UNSET_FLAGS( parent->m_wxwindow, GTK_CAN_FOCUS ); | |
137 | } | |
138 | } | |
139 | ||
140 | //----------------------------------------------------------------------------- | |
141 | // wxPopupWindow | |
142 | //----------------------------------------------------------------------------- | |
143 | ||
8f0db49c VS |
144 | BEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase) |
145 | #ifdef __WXUNIVERSAL__ | |
6522713c | 146 | EVT_SIZE(wxPopupWindow::OnSize) |
8f0db49c | 147 | #endif |
9f41d601 RR |
148 | END_EVENT_TABLE() |
149 | ||
6522713c | 150 | IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow) |
9f41d601 | 151 | |
ad9fb033 RR |
152 | wxPopupWindow::~wxPopupWindow() |
153 | { | |
ad9fb033 RR |
154 | } |
155 | ||
9f41d601 RR |
156 | bool wxPopupWindow::Create( wxWindow *parent, int style ) |
157 | { | |
158 | m_needParent = FALSE; | |
159 | ||
160 | if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) || | |
2b5f62a0 | 161 | !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("popup") )) |
9f41d601 RR |
162 | { |
163 | wxFAIL_MSG( wxT("wxPopupWindow creation failed") ); | |
164 | return FALSE; | |
165 | } | |
166 | ||
167 | // All dialogs should really have this style | |
168 | m_windowStyle |= wxTAB_TRAVERSAL; | |
169 | ||
170 | m_insertCallback = (wxInsertChildFunction) wxInsertChildInDialog; | |
171 | ||
172 | m_widget = gtk_window_new( GTK_WINDOW_POPUP ); | |
173 | ||
174 | if ((m_parent) && (GTK_IS_WINDOW(m_parent->m_widget))) | |
175 | gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) ); | |
176 | ||
177 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); | |
178 | ||
179 | gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event", | |
180 | GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this ); | |
181 | ||
182 | m_wxwindow = gtk_pizza_new(); | |
183 | gtk_widget_show( m_wxwindow ); | |
184 | GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS ); | |
185 | ||
186 | gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow ); | |
187 | ||
188 | if (m_parent) m_parent->AddChild( this ); | |
189 | ||
190 | PostCreation(); | |
191 | ||
192 | /* we cannot set MWM hints before the widget has | |
193 | been realized, so we do this directly after realization */ | |
194 | gtk_signal_connect( GTK_OBJECT(m_widget), "realize", | |
195 | GTK_SIGNAL_FUNC(gtk_dialog_realized_callback), (gpointer) this ); | |
196 | ||
197 | /* the user resized the frame by dragging etc. */ | |
198 | gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate", | |
199 | GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this ); | |
200 | ||
201 | /* disable native tab traversal */ | |
202 | gtk_signal_connect( GTK_OBJECT(m_widget), "focus", | |
203 | GTK_SIGNAL_FUNC(gtk_dialog_focus_callback), (gpointer)this ); | |
204 | ||
205 | return TRUE; | |
206 | } | |
207 | ||
208 | void wxPopupWindow::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) ) | |
209 | { | |
210 | wxFAIL_MSG( wxT("DoMoveWindow called for wxPopupWindow") ); | |
211 | } | |
212 | ||
213 | void wxPopupWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags ) | |
214 | { | |
215 | wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") ); | |
216 | wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") ); | |
217 | ||
218 | if (m_resizing) return; /* I don't like recursions */ | |
219 | m_resizing = TRUE; | |
220 | ||
221 | int old_x = m_x; | |
222 | int old_y = m_y; | |
223 | ||
224 | int old_width = m_width; | |
225 | int old_height = m_height; | |
226 | ||
227 | if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0) | |
228 | { | |
229 | if (x != -1) m_x = x; | |
230 | if (y != -1) m_y = y; | |
231 | if (width != -1) m_width = width; | |
232 | if (height != -1) m_height = height; | |
233 | } | |
234 | else | |
235 | { | |
236 | m_x = x; | |
237 | m_y = y; | |
238 | m_width = width; | |
239 | m_height = height; | |
240 | } | |
241 | ||
242 | /* | |
243 | if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH) | |
244 | { | |
245 | if (width == -1) m_width = 80; | |
246 | } | |
247 | ||
248 | if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT) | |
249 | { | |
250 | if (height == -1) m_height = 26; | |
251 | } | |
252 | */ | |
253 | ||
e7dda1ff VS |
254 | int minWidth = GetMinWidth(), |
255 | minHeight = GetMinHeight(), | |
256 | maxWidth = GetMaxWidth(), | |
257 | maxHeight = GetMaxHeight(); | |
258 | ||
259 | if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth; | |
260 | if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight; | |
261 | if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth; | |
262 | if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight; | |
9f41d601 RR |
263 | |
264 | if ((m_x != -1) || (m_y != -1)) | |
265 | { | |
266 | if ((m_x != old_x) || (m_y != old_y)) | |
267 | { | |
268 | /* we set the position here and when showing the dialog | |
269 | for the first time in idle time */ | |
270 | gtk_widget_set_uposition( m_widget, m_x, m_y ); | |
271 | } | |
272 | } | |
273 | ||
274 | if ((m_width != old_width) || (m_height != old_height)) | |
275 | { | |
276 | gtk_widget_set_usize( m_widget, m_width, m_height ); | |
277 | ||
278 | /* actual resizing is deferred to GtkOnSize in idle time and | |
279 | when showing the dialog */ | |
280 | m_sizeSet = FALSE; | |
281 | ||
282 | } | |
283 | ||
284 | m_resizing = FALSE; | |
285 | } | |
286 | ||
287 | void wxPopupWindow::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height ) | |
288 | { | |
289 | // due to a bug in gtk, x,y are always 0 | |
290 | // m_x = x; | |
291 | // m_y = y; | |
292 | ||
293 | if ((m_height == height) && (m_width == width) && (m_sizeSet)) return; | |
294 | if (!m_wxwindow) return; | |
295 | ||
296 | m_width = width; | |
297 | m_height = height; | |
298 | ||
e7dda1ff VS |
299 | int minWidth = GetMinWidth(), |
300 | minHeight = GetMinHeight(), | |
301 | maxWidth = GetMaxWidth(), | |
302 | maxHeight = GetMaxHeight(); | |
303 | ||
304 | if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth; | |
305 | if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight; | |
306 | if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth; | |
307 | if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight; | |
9f41d601 RR |
308 | |
309 | /* set size hints */ | |
310 | gint flag = 0; // GDK_HINT_POS; | |
e7dda1ff VS |
311 | if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE; |
312 | if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE; | |
9f41d601 | 313 | GdkGeometry geom; |
e7dda1ff VS |
314 | geom.min_width = minWidth; |
315 | geom.min_height = minHeight; | |
316 | geom.max_width = maxWidth; | |
317 | geom.max_height = maxHeight; | |
9f41d601 RR |
318 | gtk_window_set_geometry_hints( GTK_WINDOW(m_widget), |
319 | (GtkWidget*) NULL, | |
320 | &geom, | |
321 | (GdkWindowHints) flag ); | |
322 | ||
323 | m_sizeSet = TRUE; | |
324 | ||
325 | wxSizeEvent event( wxSize(m_width,m_height), GetId() ); | |
326 | event.SetEventObject( this ); | |
327 | GetEventHandler()->ProcessEvent( event ); | |
328 | } | |
329 | ||
330 | void wxPopupWindow::OnInternalIdle() | |
331 | { | |
332 | if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow)) | |
333 | GtkOnSize( m_x, m_y, m_width, m_height ); | |
334 | ||
335 | wxWindow::OnInternalIdle(); | |
336 | } | |
337 | ||
338 | bool wxPopupWindow::Show( bool show ) | |
339 | { | |
340 | if (show && !m_sizeSet) | |
341 | { | |
342 | /* by calling GtkOnSize here, we don't have to call | |
343 | either after showing the frame, which would entail | |
344 | much ugly flicker nor from within the size_allocate | |
345 | handler, because GTK 1.1.X forbids that. */ | |
346 | ||
347 | GtkOnSize( m_x, m_y, m_width, m_height ); | |
348 | } | |
ad9fb033 | 349 | |
9f41d601 | 350 | bool ret = wxWindow::Show( show ); |
ad9fb033 | 351 | |
9f41d601 RR |
352 | return ret; |
353 | } | |
354 | ||
f3ecfad1 | 355 | #endif // wxUSE_POPUPWIN |