]>
Commit | Line | Data |
---|---|---|
1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: msw/control.cpp | |
3 | // Purpose: wxControl class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
13 | #pragma implementation "control.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #if wxUSE_CONTROLS | |
24 | ||
25 | #ifndef WX_PRECOMP | |
26 | #include "wx/event.h" | |
27 | #include "wx/app.h" | |
28 | #include "wx/dcclient.h" | |
29 | #include "wx/log.h" | |
30 | #endif | |
31 | ||
32 | #include "wx/control.h" | |
33 | ||
34 | #include "wx/msw/private.h" | |
35 | ||
36 | #if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)) | |
37 | #include <commctrl.h> | |
38 | #endif | |
39 | ||
40 | IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow) | |
41 | ||
42 | BEGIN_EVENT_TABLE(wxControl, wxWindow) | |
43 | EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground) | |
44 | END_EVENT_TABLE() | |
45 | ||
46 | // Item members | |
47 | wxControl::wxControl() | |
48 | { | |
49 | } | |
50 | ||
51 | wxControl::~wxControl() | |
52 | { | |
53 | m_isBeingDeleted = TRUE; | |
54 | } | |
55 | ||
56 | ||
57 | bool wxControl::Create(wxWindow *parent, | |
58 | wxWindowID id, | |
59 | const wxPoint& pos, | |
60 | const wxSize& size, | |
61 | long style, | |
62 | const wxValidator& wxVALIDATOR_PARAM(validator), | |
63 | const wxString& name) | |
64 | { | |
65 | if ( !wxWindow::Create(parent, id, pos, size, style, name) ) | |
66 | return FALSE; | |
67 | ||
68 | #if wxUSE_VALIDATORS | |
69 | SetValidator(validator); | |
70 | #endif | |
71 | ||
72 | return TRUE; | |
73 | } | |
74 | ||
75 | bool wxControl::MSWCreateControl(const wxChar *classname, | |
76 | const wxString& label, | |
77 | const wxPoint& pos, | |
78 | const wxSize& size) | |
79 | { | |
80 | WXDWORD exstyle; | |
81 | WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle); | |
82 | ||
83 | return MSWCreateControl(classname, msStyle, pos, size, label, exstyle); | |
84 | } | |
85 | ||
86 | bool wxControl::MSWCreateControl(const wxChar *classname, | |
87 | WXDWORD style, | |
88 | const wxPoint& pos, | |
89 | const wxSize& size, | |
90 | const wxString& label, | |
91 | WXDWORD exstyle) | |
92 | { | |
93 | // if no extended style given, determine it ourselves | |
94 | if ( exstyle == (WXDWORD)-1 ) | |
95 | { | |
96 | exstyle = 0; | |
97 | (void) MSWGetStyle(GetWindowStyle(), &exstyle); | |
98 | } | |
99 | ||
100 | // all controls should have this style | |
101 | style |= WS_CHILD; | |
102 | ||
103 | // create the control visible if it's currently shown for wxWindows | |
104 | if ( m_isShown ) | |
105 | { | |
106 | style |= WS_VISIBLE; | |
107 | } | |
108 | ||
109 | // choose the position for the control | |
110 | int x = pos.x == -1 ? 0 : pos.x, | |
111 | y = pos.y == -1 ? 0 : pos.y, | |
112 | w = size.x == -1 ? 0 : size.x, | |
113 | h = size.y == -1 ? 0 : size.y; | |
114 | ||
115 | // ... and adjust it to account for ap ossible parent frames toolbar | |
116 | AdjustForParentClientOrigin(x, y); | |
117 | ||
118 | m_hWnd = (WXHWND)::CreateWindowEx | |
119 | ( | |
120 | exstyle, // extended style | |
121 | classname, // the kind of control to create | |
122 | label, // the window name | |
123 | style, // the window style | |
124 | x, y, w, h, // the window position and size | |
125 | GetHwndOf(GetParent()), // parent | |
126 | (HMENU)GetId(), // child id | |
127 | wxGetInstance(), // app instance | |
128 | NULL // creation parameters | |
129 | ); | |
130 | ||
131 | if ( !m_hWnd ) | |
132 | { | |
133 | wxLogDebug(wxT("Failed to create a control of class '%s'"), classname); | |
134 | wxFAIL_MSG(_T("something is very wrong")); | |
135 | ||
136 | return FALSE; | |
137 | } | |
138 | ||
139 | #if wxUSE_CTL3D | |
140 | if ( want3D ) | |
141 | { | |
142 | Ctl3dSubclassCtl(GetHwnd()); | |
143 | m_useCtl3D = TRUE; | |
144 | } | |
145 | #endif // wxUSE_CTL3D | |
146 | ||
147 | // install wxWindows window proc for this window | |
148 | SubclassWin(m_hWnd); | |
149 | ||
150 | // controls use the same font and colours as their parent dialog by default | |
151 | InheritAttributes(); | |
152 | ||
153 | // set the size now if no initial size specified | |
154 | if ( w <= 0 || h <= 0 ) | |
155 | { | |
156 | SetBestSize(size); | |
157 | } | |
158 | ||
159 | return TRUE; | |
160 | } | |
161 | ||
162 | wxBorder wxControl::GetDefaultBorder() const | |
163 | { | |
164 | // we want to automatically give controls a sunken style (confusingly, | |
165 | // it may not really mean sunken at all as we map it to WS_EX_CLIENTEDGE | |
166 | // which is not sunken at all under Windows XP -- rather, just the default) | |
167 | return wxBORDER_SUNKEN; | |
168 | } | |
169 | ||
170 | wxSize wxControl::DoGetBestSize() const | |
171 | { | |
172 | return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); | |
173 | } | |
174 | ||
175 | bool wxControl::ProcessCommand(wxCommandEvent& event) | |
176 | { | |
177 | return GetEventHandler()->ProcessEvent(event); | |
178 | } | |
179 | ||
180 | #ifdef __WIN95__ | |
181 | bool wxControl::MSWOnNotify(int idCtrl, | |
182 | WXLPARAM lParam, | |
183 | WXLPARAM* result) | |
184 | { | |
185 | wxEventType eventType = wxEVT_NULL; | |
186 | ||
187 | NMHDR *hdr = (NMHDR*) lParam; | |
188 | switch ( hdr->code ) | |
189 | { | |
190 | case NM_CLICK: | |
191 | eventType = wxEVT_COMMAND_LEFT_CLICK; | |
192 | break; | |
193 | ||
194 | case NM_DBLCLK: | |
195 | eventType = wxEVT_COMMAND_LEFT_DCLICK; | |
196 | break; | |
197 | ||
198 | case NM_RCLICK: | |
199 | eventType = wxEVT_COMMAND_RIGHT_CLICK; | |
200 | break; | |
201 | ||
202 | case NM_RDBLCLK: | |
203 | eventType = wxEVT_COMMAND_RIGHT_DCLICK; | |
204 | break; | |
205 | ||
206 | case NM_SETFOCUS: | |
207 | eventType = wxEVT_COMMAND_SET_FOCUS; | |
208 | break; | |
209 | ||
210 | case NM_KILLFOCUS: | |
211 | eventType = wxEVT_COMMAND_KILL_FOCUS; | |
212 | break; | |
213 | ||
214 | case NM_RETURN: | |
215 | eventType = wxEVT_COMMAND_ENTER; | |
216 | break; | |
217 | ||
218 | default: | |
219 | return wxWindow::MSWOnNotify(idCtrl, lParam, result); | |
220 | } | |
221 | ||
222 | wxCommandEvent event(wxEVT_NULL, m_windowId); | |
223 | event.SetEventType(eventType); | |
224 | event.SetEventObject(this); | |
225 | ||
226 | return GetEventHandler()->ProcessEvent(event); | |
227 | } | |
228 | #endif // Win95 | |
229 | ||
230 | void wxControl::OnEraseBackground(wxEraseEvent& event) | |
231 | { | |
232 | // notice that this 'dumb' implementation may cause flicker for some of the | |
233 | // controls in which case they should intercept wxEraseEvent and process it | |
234 | // themselves somehow | |
235 | ||
236 | RECT rect; | |
237 | ::GetClientRect(GetHwnd(), &rect); | |
238 | ||
239 | HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour())); | |
240 | ||
241 | HDC hdc = GetHdcOf((*event.GetDC())); | |
242 | ||
243 | #ifndef __WXWINCE__ | |
244 | int mode = ::SetMapMode(hdc, MM_TEXT); | |
245 | #endif | |
246 | ||
247 | ::FillRect(hdc, &rect, hBrush); | |
248 | ::DeleteObject(hBrush); | |
249 | ||
250 | #ifndef __WXWINCE__ | |
251 | ::SetMapMode(hdc, mode); | |
252 | #endif | |
253 | } | |
254 | ||
255 | WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor), | |
256 | #if wxUSE_CTL3D | |
257 | WXUINT message, | |
258 | WXWPARAM wParam, | |
259 | WXLPARAM lParam | |
260 | #else | |
261 | WXUINT WXUNUSED(message), | |
262 | WXWPARAM WXUNUSED(wParam), | |
263 | WXLPARAM WXUNUSED(lParam) | |
264 | #endif | |
265 | ) | |
266 | { | |
267 | #if wxUSE_CTL3D | |
268 | if ( m_useCtl3D ) | |
269 | { | |
270 | HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); | |
271 | return (WXHBRUSH) hbrush; | |
272 | } | |
273 | #endif // wxUSE_CTL3D | |
274 | ||
275 | HDC hdc = (HDC)pDC; | |
276 | wxColour colBack = GetBackgroundColour(); | |
277 | ||
278 | ::SetBkColor(hdc, wxColourToRGB(colBack)); | |
279 | ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); | |
280 | ||
281 | wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID); | |
282 | ||
283 | return (WXHBRUSH)brush->GetResourceHandle(); | |
284 | } | |
285 | ||
286 | WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const | |
287 | { | |
288 | long msStyle = wxWindow::MSWGetStyle(style, exstyle); | |
289 | ||
290 | if ( AcceptsFocus() ) | |
291 | { | |
292 | msStyle |= WS_TABSTOP; | |
293 | } | |
294 | ||
295 | return msStyle; | |
296 | } | |
297 | ||
298 | // --------------------------------------------------------------------------- | |
299 | // global functions | |
300 | // --------------------------------------------------------------------------- | |
301 | ||
302 | // Call this repeatedly for several wnds to find the overall size | |
303 | // of the widget. | |
304 | // Call it initially with -1 for all values in rect. | |
305 | // Keep calling for other widgets, and rect will be modified | |
306 | // to calculate largest bounding rectangle. | |
307 | void wxFindMaxSize(WXHWND wnd, RECT *rect) | |
308 | { | |
309 | int left = rect->left; | |
310 | int right = rect->right; | |
311 | int top = rect->top; | |
312 | int bottom = rect->bottom; | |
313 | ||
314 | GetWindowRect((HWND) wnd, rect); | |
315 | ||
316 | if (left < 0) | |
317 | return; | |
318 | ||
319 | if (left < rect->left) | |
320 | rect->left = left; | |
321 | ||
322 | if (right > rect->right) | |
323 | rect->right = right; | |
324 | ||
325 | if (top < rect->top) | |
326 | rect->top = top; | |
327 | ||
328 | if (bottom > rect->bottom) | |
329 | rect->bottom = bottom; | |
330 | } | |
331 | ||
332 | #endif // wxUSE_CONTROLS |