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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/popupwin.h | |
3 | // Purpose: wxPopupWindow interface declaration | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 06.01.01 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
9 | // License: wxWindows licence | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_POPUPWIN_H_BASE_ | |
13 | #define _WX_POPUPWIN_H_BASE_ | |
14 | ||
15 | #include "wx/defs.h" | |
16 | ||
17 | #if wxUSE_POPUPWIN | |
18 | ||
19 | #include "wx/nonownedwnd.h" | |
20 | ||
21 | // ---------------------------------------------------------------------------- | |
22 | // wxPopupWindow: a special kind of top level window used for popup menus, | |
23 | // combobox popups and such. | |
24 | // ---------------------------------------------------------------------------- | |
25 | ||
26 | class WXDLLIMPEXP_CORE wxPopupWindowBase : public wxNonOwnedWindow | |
27 | { | |
28 | public: | |
29 | wxPopupWindowBase() { } | |
30 | virtual ~wxPopupWindowBase(); | |
31 | ||
32 | // create the popup window | |
33 | // | |
34 | // style may only contain border flags | |
35 | bool Create(wxWindow *parent, int style = wxBORDER_NONE); | |
36 | ||
37 | // move the popup window to the right position, i.e. such that it is | |
38 | // entirely visible | |
39 | // | |
40 | // the popup is positioned at ptOrigin + size if it opens below and to the | |
41 | // right (default), at ptOrigin - sizePopup if it opens above and to the | |
42 | // left &c | |
43 | // | |
44 | // the point must be given in screen coordinates! | |
45 | virtual void Position(const wxPoint& ptOrigin, | |
46 | const wxSize& size); | |
47 | ||
48 | virtual bool IsTopLevel() const { return true; } | |
49 | ||
50 | DECLARE_NO_COPY_CLASS(wxPopupWindowBase) | |
51 | }; | |
52 | ||
53 | ||
54 | // include the real class declaration | |
55 | #if defined(__WXMSW__) | |
56 | #include "wx/msw/popupwin.h" | |
57 | #elif defined(__WXPM__) | |
58 | #include "wx/os2/popupwin.h" | |
59 | #elif defined(__WXGTK20__) | |
60 | #include "wx/gtk/popupwin.h" | |
61 | #elif defined(__WXGTK__) | |
62 | #include "wx/gtk1/popupwin.h" | |
63 | #elif defined(__WXX11__) | |
64 | #include "wx/x11/popupwin.h" | |
65 | #elif defined(__WXMOTIF__) | |
66 | #include "wx/motif/popupwin.h" | |
67 | #elif defined(__WXDFB__) | |
68 | #include "wx/dfb/popupwin.h" | |
69 | #elif defined(__WXMGL__) | |
70 | #include "wx/mgl/popupwin.h" | |
71 | #elif defined(__WXMAC__) | |
72 | #include "wx/mac/popupwin.h" | |
73 | #else | |
74 | #error "wxPopupWindow is not supported under this platform." | |
75 | #endif | |
76 | ||
77 | // ---------------------------------------------------------------------------- | |
78 | // wxPopupTransientWindow: a wxPopupWindow which disappears automatically | |
79 | // when the user clicks mouse outside it or if it loses focus in any other way | |
80 | // ---------------------------------------------------------------------------- | |
81 | ||
82 | class WXDLLIMPEXP_FWD_CORE wxPopupWindowHandler; | |
83 | class WXDLLIMPEXP_FWD_CORE wxPopupFocusHandler; | |
84 | ||
85 | class WXDLLIMPEXP_CORE wxPopupTransientWindow : public wxPopupWindow | |
86 | { | |
87 | public: | |
88 | // ctors | |
89 | wxPopupTransientWindow() { Init(); } | |
90 | wxPopupTransientWindow(wxWindow *parent, int style = wxBORDER_NONE); | |
91 | ||
92 | virtual ~wxPopupTransientWindow(); | |
93 | ||
94 | // popup the window (this will show it too) and keep focus at winFocus | |
95 | // (or itself if it's NULL), dismiss the popup if we lose focus | |
96 | virtual void Popup(wxWindow *focus = NULL); | |
97 | ||
98 | // hide the window | |
99 | virtual void Dismiss(); | |
100 | ||
101 | // can the window be dismissed now? | |
102 | // | |
103 | // VZ: where is this used?? | |
104 | virtual bool CanDismiss() | |
105 | { return true; } | |
106 | ||
107 | // called when a mouse is pressed while the popup is shown: return true | |
108 | // from here to prevent its normal processing by the popup (which consists | |
109 | // in dismissing it if the mouse is cilcked outside it) | |
110 | virtual bool ProcessLeftDown(wxMouseEvent& event); | |
111 | ||
112 | // Overridden to grab the input on some plaforms | |
113 | virtual bool Show( bool show = true ); | |
114 | ||
115 | protected: | |
116 | // common part of all ctors | |
117 | void Init(); | |
118 | ||
119 | // this is called when the popup is disappeared because of anything | |
120 | // else but direct call to Dismiss() | |
121 | virtual void OnDismiss(); | |
122 | ||
123 | // dismiss and notify the derived class | |
124 | void DismissAndNotify(); | |
125 | ||
126 | // remove our event handlers | |
127 | void PopHandlers(); | |
128 | ||
129 | // get alerted when child gets deleted from under us | |
130 | void OnDestroy(wxWindowDestroyEvent& event); | |
131 | ||
132 | #if defined( __WXMSW__ ) || defined( __WXMAC__) | |
133 | // check if the mouse needs captured or released | |
134 | void OnIdle(wxIdleEvent& event); | |
135 | #endif | |
136 | ||
137 | // the child of this popup if any | |
138 | wxWindow *m_child; | |
139 | ||
140 | // the window which has the focus while we're shown | |
141 | wxWindow *m_focus; | |
142 | ||
143 | // these classes may call our DismissAndNotify() | |
144 | friend class wxPopupWindowHandler; | |
145 | friend class wxPopupFocusHandler; | |
146 | ||
147 | // the handlers we created, may be NULL (if not, must be deleted) | |
148 | wxPopupWindowHandler *m_handlerPopup; | |
149 | wxPopupFocusHandler *m_handlerFocus; | |
150 | ||
151 | DECLARE_EVENT_TABLE() | |
152 | DECLARE_DYNAMIC_CLASS(wxPopupTransientWindow) | |
153 | DECLARE_NO_COPY_CLASS(wxPopupTransientWindow) | |
154 | }; | |
155 | ||
156 | #if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__) | |
157 | ||
158 | // ---------------------------------------------------------------------------- | |
159 | // wxPopupComboWindow: wxPopupTransientWindow used by wxComboBox | |
160 | // ---------------------------------------------------------------------------- | |
161 | ||
162 | class WXDLLIMPEXP_FWD_CORE wxComboBox; | |
163 | class WXDLLIMPEXP_FWD_CORE wxComboCtrl; | |
164 | ||
165 | class WXDLLIMPEXP_CORE wxPopupComboWindow : public wxPopupTransientWindow | |
166 | { | |
167 | public: | |
168 | wxPopupComboWindow() { m_combo = NULL; } | |
169 | wxPopupComboWindow(wxComboCtrl *parent); | |
170 | ||
171 | bool Create(wxComboCtrl *parent); | |
172 | ||
173 | // position the window correctly relatively to the combo | |
174 | void PositionNearCombo(); | |
175 | ||
176 | protected: | |
177 | // notify the combo here | |
178 | virtual void OnDismiss(); | |
179 | ||
180 | // forward the key presses to the combobox | |
181 | void OnKeyDown(wxKeyEvent& event); | |
182 | ||
183 | // the parent combobox | |
184 | wxComboCtrl *m_combo; | |
185 | ||
186 | DECLARE_EVENT_TABLE() | |
187 | DECLARE_DYNAMIC_CLASS(wxPopupComboWindow) | |
188 | }; | |
189 | ||
190 | #endif // wxUSE_COMBOBOX && defined(__WXUNIVERSAL__) | |
191 | ||
192 | #endif // wxUSE_POPUPWIN | |
193 | ||
194 | #endif // _WX_POPUPWIN_H_BASE_ |