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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 | |
65571936 | 7 | // Licence: wxWindows licence |
9f41d601 RR |
8 | ///////////////////////////////////////////////////////////////////////////// |
9 | ||
14f355c2 | 10 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
9f41d601 RR |
11 | #pragma implementation "popupwin.h" |
12 | #endif | |
13 | ||
14f355c2 VS |
14 | // For compilers that support precompilation, includes "wx.h". |
15 | #include "wx/wxprec.h" | |
f3ecfad1 VS |
16 | |
17 | #if wxUSE_POPUPWIN | |
18 | ||
9f41d601 RR |
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 | // "focus" from m_window | |
39 | //----------------------------------------------------------------------------- | |
40 | ||
41 | static gint gtk_dialog_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) ) | |
42 | { | |
43 | if (g_isIdle) | |
44 | wxapp_install_idle_handler(); | |
45 | ||
46 | // This disables GTK's tab traversal | |
47 | gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" ); | |
48 | return TRUE; | |
49 | } | |
50 | ||
51 | //----------------------------------------------------------------------------- | |
52 | // "delete_event" | |
53 | //----------------------------------------------------------------------------- | |
54 | ||
55 | bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxPopupWindow *win ) | |
56 | { | |
57 | if (g_isIdle) | |
58 | wxapp_install_idle_handler(); | |
59 | ||
60 | if (win->IsEnabled()) | |
61 | win->Close(); | |
62 | ||
63 | return TRUE; | |
64 | } | |
65 | ||
66 | //----------------------------------------------------------------------------- | |
67 | // "size_allocate" | |
68 | //----------------------------------------------------------------------------- | |
69 | ||
70 | static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxPopupWindow *win ) | |
71 | { | |
72 | if (g_isIdle) | |
73 | wxapp_install_idle_handler(); | |
74 | ||
75 | if (!win->m_hasVMT) return; | |
76 | ||
77 | if ((win->m_width != alloc->width) || (win->m_height != alloc->height)) | |
78 | { | |
79 | win->m_width = alloc->width; | |
80 | win->m_height = alloc->height; | |
81 | win->GtkUpdateSize(); | |
82 | } | |
83 | } | |
84 | ||
85 | //----------------------------------------------------------------------------- | |
86 | // "realize" from m_widget | |
87 | //----------------------------------------------------------------------------- | |
88 | ||
89 | /* we cannot MWM hints and icons before the widget has been realized, | |
90 | so we do this directly after realization */ | |
91 | ||
92 | static gint | |
93 | gtk_dialog_realized_callback( GtkWidget * WXUNUSED(widget), wxPopupWindow *win ) | |
94 | { | |
95 | if (g_isIdle) | |
96 | wxapp_install_idle_handler(); | |
97 | ||
98 | /* all this is for Motif Window Manager "hints" and is supposed to be | |
99 | recognized by other WM as well. not tested. */ | |
100 | long decor = (long) GDK_DECOR_BORDER; | |
101 | long func = (long) GDK_FUNC_MOVE ; | |
102 | ||
103 | gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor); | |
104 | gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func); | |
105 | ||
106 | /* GTK's shrinking/growing policy */ | |
107 | if ((win->GetWindowStyle() & wxRESIZE_BORDER) == 0) | |
108 | gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1); | |
109 | else | |
110 | gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1); | |
111 | ||
112 | return FALSE; | |
113 | } | |
114 | ||
115 | //----------------------------------------------------------------------------- | |
116 | // InsertChild for wxPopupWindow | |
117 | //----------------------------------------------------------------------------- | |
118 | ||
119 | /* Callback for wxFrame. This very strange beast has to be used because | |
120 | * C++ has no virtual methods in a constructor. We have to emulate a | |
77ffb593 | 121 | * virtual function here as wxWidgets requires different ways to insert |
9f41d601 RR |
122 | * a child in container classes. */ |
123 | ||
124 | static void wxInsertChildInDialog( wxPopupWindow* parent, wxWindow* child ) | |
125 | { | |
126 | gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow), | |
127 | GTK_WIDGET(child->m_widget), | |
128 | child->m_x, | |
129 | child->m_y, | |
130 | child->m_width, | |
131 | child->m_height ); | |
132 | ||
133 | if (parent->HasFlag(wxTAB_TRAVERSAL)) | |
134 | { | |
135 | /* we now allow a window to get the focus as long as it | |
136 | doesn't have any children. */ | |
137 | GTK_WIDGET_UNSET_FLAGS( parent->m_wxwindow, GTK_CAN_FOCUS ); | |
138 | } | |
139 | } | |
140 | ||
141 | //----------------------------------------------------------------------------- | |
142 | // wxPopupWindow | |
143 | //----------------------------------------------------------------------------- | |
144 | ||
8f0db49c VS |
145 | BEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase) |
146 | #ifdef __WXUNIVERSAL__ | |
6522713c | 147 | EVT_SIZE(wxPopupWindow::OnSize) |
8f0db49c | 148 | #endif |
9f41d601 RR |
149 | END_EVENT_TABLE() |
150 | ||
ad9fb033 RR |
151 | wxPopupWindow::~wxPopupWindow() |
152 | { | |
ad9fb033 RR |
153 | } |
154 | ||
9f41d601 RR |
155 | bool wxPopupWindow::Create( wxWindow *parent, int style ) |
156 | { | |
157 | m_needParent = FALSE; | |
158 | ||
159 | if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) || | |
2b5f62a0 | 160 | !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("popup") )) |
9f41d601 RR |
161 | { |
162 | wxFAIL_MSG( wxT("wxPopupWindow creation failed") ); | |
163 | return FALSE; | |
164 | } | |
165 | ||
166 | // All dialogs should really have this style | |
167 | m_windowStyle |= wxTAB_TRAVERSAL; | |
168 | ||
169 | m_insertCallback = (wxInsertChildFunction) wxInsertChildInDialog; | |
170 | ||
171 | m_widget = gtk_window_new( GTK_WINDOW_POPUP ); | |
172 | ||
173 | if ((m_parent) && (GTK_IS_WINDOW(m_parent->m_widget))) | |
174 | gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) ); | |
175 | ||
176 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); | |
177 | ||
178 | gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event", | |
179 | GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this ); | |
180 | ||
181 | m_wxwindow = gtk_pizza_new(); | |
182 | gtk_widget_show( m_wxwindow ); | |
183 | GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS ); | |
184 | ||
185 | gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow ); | |
186 | ||
187 | if (m_parent) m_parent->AddChild( this ); | |
188 | ||
189 | PostCreation(); | |
190 | ||
191 | /* we cannot set MWM hints before the widget has | |
192 | been realized, so we do this directly after realization */ | |
193 | gtk_signal_connect( GTK_OBJECT(m_widget), "realize", | |
194 | GTK_SIGNAL_FUNC(gtk_dialog_realized_callback), (gpointer) this ); | |
195 | ||
196 | /* the user resized the frame by dragging etc. */ | |
197 | gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate", | |
198 | GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this ); | |
199 | ||
200 | /* disable native tab traversal */ | |
201 | gtk_signal_connect( GTK_OBJECT(m_widget), "focus", | |
202 | GTK_SIGNAL_FUNC(gtk_dialog_focus_callback), (gpointer)this ); | |
203 | ||
204 | return TRUE; | |
205 | } | |
206 | ||
207 | void wxPopupWindow::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) ) | |
208 | { | |
209 | wxFAIL_MSG( wxT("DoMoveWindow called for wxPopupWindow") ); | |
210 | } | |
211 | ||
212 | void wxPopupWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags ) | |
213 | { | |
214 | wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") ); | |
215 | wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") ); | |
216 | ||
217 | if (m_resizing) return; /* I don't like recursions */ | |
218 | m_resizing = TRUE; | |
219 | ||
220 | int old_x = m_x; | |
221 | int old_y = m_y; | |
222 | ||
223 | int old_width = m_width; | |
224 | int old_height = m_height; | |
225 | ||
226 | if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0) | |
227 | { | |
228 | if (x != -1) m_x = x; | |
229 | if (y != -1) m_y = y; | |
230 | if (width != -1) m_width = width; | |
231 | if (height != -1) m_height = height; | |
232 | } | |
233 | else | |
234 | { | |
235 | m_x = x; | |
236 | m_y = y; | |
237 | m_width = width; | |
238 | m_height = height; | |
239 | } | |
240 | ||
241 | /* | |
242 | if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH) | |
243 | { | |
244 | if (width == -1) m_width = 80; | |
245 | } | |
246 | ||
247 | if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT) | |
248 | { | |
249 | if (height == -1) m_height = 26; | |
250 | } | |
251 | */ | |
252 | ||
e7dda1ff VS |
253 | int minWidth = GetMinWidth(), |
254 | minHeight = GetMinHeight(), | |
255 | maxWidth = GetMaxWidth(), | |
256 | maxHeight = GetMaxHeight(); | |
257 | ||
258 | if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth; | |
259 | if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight; | |
260 | if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth; | |
261 | if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight; | |
9f41d601 RR |
262 | |
263 | if ((m_x != -1) || (m_y != -1)) | |
264 | { | |
265 | if ((m_x != old_x) || (m_y != old_y)) | |
266 | { | |
267 | /* we set the position here and when showing the dialog | |
268 | for the first time in idle time */ | |
269 | gtk_widget_set_uposition( m_widget, m_x, m_y ); | |
270 | } | |
271 | } | |
272 | ||
273 | if ((m_width != old_width) || (m_height != old_height)) | |
274 | { | |
275 | gtk_widget_set_usize( m_widget, m_width, m_height ); | |
276 | ||
277 | /* actual resizing is deferred to GtkOnSize in idle time and | |
278 | when showing the dialog */ | |
279 | m_sizeSet = FALSE; | |
280 | ||
281 | } | |
282 | ||
283 | m_resizing = FALSE; | |
284 | } | |
285 | ||
286 | void wxPopupWindow::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height ) | |
287 | { | |
288 | // due to a bug in gtk, x,y are always 0 | |
289 | // m_x = x; | |
290 | // m_y = y; | |
291 | ||
292 | if ((m_height == height) && (m_width == width) && (m_sizeSet)) return; | |
293 | if (!m_wxwindow) return; | |
294 | ||
295 | m_width = width; | |
296 | m_height = height; | |
297 | ||
e7dda1ff VS |
298 | int minWidth = GetMinWidth(), |
299 | minHeight = GetMinHeight(), | |
300 | maxWidth = GetMaxWidth(), | |
301 | maxHeight = GetMaxHeight(); | |
302 | ||
303 | if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth; | |
304 | if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight; | |
305 | if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth; | |
306 | if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight; | |
9f41d601 RR |
307 | |
308 | /* set size hints */ | |
309 | gint flag = 0; // GDK_HINT_POS; | |
e7dda1ff VS |
310 | if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE; |
311 | if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE; | |
9f41d601 | 312 | GdkGeometry geom; |
e7dda1ff VS |
313 | geom.min_width = minWidth; |
314 | geom.min_height = minHeight; | |
315 | geom.max_width = maxWidth; | |
316 | geom.max_height = maxHeight; | |
9f41d601 RR |
317 | gtk_window_set_geometry_hints( GTK_WINDOW(m_widget), |
318 | (GtkWidget*) NULL, | |
319 | &geom, | |
320 | (GdkWindowHints) flag ); | |
321 | ||
322 | m_sizeSet = TRUE; | |
323 | ||
324 | wxSizeEvent event( wxSize(m_width,m_height), GetId() ); | |
325 | event.SetEventObject( this ); | |
326 | GetEventHandler()->ProcessEvent( event ); | |
327 | } | |
328 | ||
329 | void wxPopupWindow::OnInternalIdle() | |
330 | { | |
331 | if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow)) | |
332 | GtkOnSize( m_x, m_y, m_width, m_height ); | |
333 | ||
334 | wxWindow::OnInternalIdle(); | |
335 | } | |
336 | ||
337 | bool wxPopupWindow::Show( bool show ) | |
338 | { | |
339 | if (show && !m_sizeSet) | |
340 | { | |
341 | /* by calling GtkOnSize here, we don't have to call | |
342 | either after showing the frame, which would entail | |
343 | much ugly flicker nor from within the size_allocate | |
344 | handler, because GTK 1.1.X forbids that. */ | |
345 | ||
346 | GtkOnSize( m_x, m_y, m_width, m_height ); | |
347 | } | |
ad9fb033 | 348 | |
9f41d601 | 349 | bool ret = wxWindow::Show( show ); |
ad9fb033 | 350 | |
9f41d601 RR |
351 | return ret; |
352 | } | |
353 | ||
f3ecfad1 | 354 | #endif // wxUSE_POPUPWIN |