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0e320a79 DW |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: combobox.cpp | |
3 | // Purpose: wxComboBox class | |
37f214d5 | 4 | // Author: David Webster |
0e320a79 | 5 | // Modified by: |
37f214d5 | 6 | // Created: 10/13/99 |
0e320a79 | 7 | // RCS-ID: $Id$ |
37f214d5 DW |
8 | // Copyright: (c) David Webster |
9 | // Licence: wxWindows licence | |
0e320a79 DW |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
37f214d5 DW |
12 | #include "wx/combobox.h" |
13 | ||
14 | // For compilers that support precompilation, includes "wx.h". | |
15 | #include "wx/wxprec.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/setup.h" | |
0e320a79 DW |
19 | #endif |
20 | ||
37f214d5 DW |
21 | #if wxUSE_COMBOBOX |
22 | ||
0e320a79 | 23 | #include "wx/combobox.h" |
37f214d5 DW |
24 | #include "wx/clipbrd.h" |
25 | #include "wx/os2/private.h" | |
0e320a79 | 26 | |
0e320a79 | 27 | IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) |
0e320a79 | 28 | |
37f214d5 | 29 | bool wxComboBox::OS2Command(WXUINT param, WXWORD WXUNUSED(id)) |
0e320a79 | 30 | { |
37f214d5 DW |
31 | // TODO: |
32 | /* | |
33 | if (param == CBN_SELCHANGE) | |
34 | { | |
35 | wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId); | |
36 | event.SetInt(GetSelection()); | |
37 | event.SetEventObject(this); | |
38 | event.SetString(GetStringSelection()); | |
39 | ProcessCommand(event); | |
0e320a79 | 40 | |
37f214d5 DW |
41 | return TRUE; |
42 | } | |
43 | else if (param == CBN_EDITCHANGE) | |
44 | { | |
45 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId); | |
46 | event.SetString(GetValue()); | |
47 | event.SetEventObject(this); | |
48 | ProcessCommand(event); | |
0e320a79 DW |
49 | |
50 | return TRUE; | |
37f214d5 DW |
51 | } |
52 | else | |
53 | return FALSE; | |
54 | */ | |
55 | return FALSE; | |
0e320a79 DW |
56 | } |
57 | ||
37f214d5 DW |
58 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, |
59 | const wxString& value, | |
60 | const wxPoint& pos, | |
61 | const wxSize& size, | |
62 | int n, const wxString choices[], | |
63 | long style, | |
5d4b632b | 64 | #if wxUSE_VALIDATORS |
37f214d5 | 65 | const wxValidator& validator, |
5d4b632b | 66 | #endif |
37f214d5 | 67 | const wxString& name) |
0e320a79 | 68 | { |
37f214d5 | 69 | SetName(name); |
5d4b632b | 70 | #if wxUSE_VALIDATORS |
37f214d5 | 71 | SetValidator(validator); |
5d4b632b | 72 | #endif |
37f214d5 DW |
73 | if (parent) parent->AddChild(this); |
74 | SetBackgroundColour(parent->GetBackgroundColour()) ; | |
75 | SetForegroundColour(parent->GetForegroundColour()) ; | |
76 | ||
77 | m_windowStyle = style; | |
78 | ||
79 | if ( id == -1 ) | |
80 | m_windowId = (int)NewControlId(); | |
81 | else | |
82 | m_windowId = id; | |
83 | ||
84 | int x = pos.x; | |
85 | int y = pos.y; | |
86 | int width = size.x; | |
87 | int height = size.y; | |
88 | // TODO: | |
89 | /* | |
90 | long msStyle = WS_CHILD | WS_TABSTOP | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL | | |
91 | CBS_NOINTEGRALHEIGHT; | |
92 | ||
93 | if (m_windowStyle & wxCB_READONLY) | |
94 | msStyle |= CBS_DROPDOWNLIST; | |
95 | else if (m_windowStyle & wxCB_SIMPLE) | |
96 | msStyle |= CBS_SIMPLE; // A list (shown always) and edit control | |
97 | else | |
98 | msStyle |= CBS_DROPDOWN; | |
99 | ||
100 | if (m_windowStyle & wxCB_SORT) | |
101 | msStyle |= CBS_SORT; | |
102 | ||
103 | bool want3D; | |
104 | WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; | |
105 | ||
106 | // Even with extended styles, need to combine with WS_BORDER | |
107 | // for them to look right. | |
108 | if ( want3D || wxStyleHasBorder(m_windowStyle) ) | |
109 | msStyle |= WS_BORDER; | |
110 | ||
111 | m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("COMBOBOX"), NULL, | |
112 | msStyle, | |
113 | 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, | |
114 | wxGetInstance(), NULL); | |
115 | ||
116 | wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create combobox") ); | |
117 | ||
118 | // Subclass again for purposes of dialog editing mode | |
119 | SubclassWin(m_hWnd); | |
120 | ||
121 | SetFont(parent->GetFont()); | |
122 | int i; | |
123 | for (i = 0; i < n; i++) | |
124 | { | |
125 | Append(choices[i]); | |
126 | } | |
127 | ||
128 | SetSelection(i); | |
129 | ||
130 | SetSize(x, y, width, height); | |
131 | if ( !value.IsEmpty() ) | |
132 | { | |
133 | SetValue(value); | |
134 | } | |
135 | */ | |
136 | return TRUE; | |
0e320a79 DW |
137 | } |
138 | ||
139 | void wxComboBox::SetValue(const wxString& value) | |
140 | { | |
37f214d5 DW |
141 | // If newlines are denoted by just 10, must stick 13 in front. |
142 | int singletons = 0; | |
143 | int len = value.Length(); | |
144 | int i; | |
145 | for (i = 0; i < len; i ++) | |
146 | { | |
147 | if ((i > 0) && (value[i] == 10) && (value[i-1] != 13)) | |
148 | singletons ++; | |
149 | } | |
150 | if (singletons > 0) | |
151 | { | |
152 | wxChar *tmp = new wxChar[len + singletons + 1]; | |
153 | int j = 0; | |
154 | for (i = 0; i < len; i ++) | |
155 | { | |
156 | if ((i > 0) && (value[i] == 10) && (value[i-1] != 13)) | |
157 | { | |
158 | tmp[j] = 13; | |
159 | j ++; | |
160 | } | |
161 | tmp[j] = value[i]; | |
162 | j ++; | |
163 | } | |
164 | tmp[j] = 0; | |
165 | // SetWindowText(GetHwnd(), tmp); | |
166 | delete[] tmp; | |
167 | } | |
168 | // else | |
169 | // SetWindowText(GetHwnd(), value); | |
0e320a79 DW |
170 | } |
171 | ||
172 | // Clipboard operations | |
173 | void wxComboBox::Copy() | |
174 | { | |
37f214d5 DW |
175 | HWND hWnd = GetHwnd(); |
176 | // SendMessage(hWnd, WM_COPY, 0, 0L); | |
0e320a79 DW |
177 | } |
178 | ||
179 | void wxComboBox::Cut() | |
180 | { | |
37f214d5 DW |
181 | HWND hWnd = GetHwnd(); |
182 | // SendMessage(hWnd, WM_CUT, 0, 0L); | |
0e320a79 DW |
183 | } |
184 | ||
185 | void wxComboBox::Paste() | |
186 | { | |
37f214d5 DW |
187 | HWND hWnd = GetHwnd(); |
188 | // SendMessage(hWnd, WM_PASTE, 0, 0L); | |
0e320a79 DW |
189 | } |
190 | ||
191 | void wxComboBox::SetEditable(bool editable) | |
192 | { | |
37f214d5 DW |
193 | // Can't implement in MSW? |
194 | // HWND hWnd = GetHwnd(); | |
195 | // SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); | |
0e320a79 DW |
196 | } |
197 | ||
198 | void wxComboBox::SetInsertionPoint(long pos) | |
199 | { | |
37f214d5 DW |
200 | /* |
201 | HWND hWnd = GetHwnd(); | |
202 | SendMessage(hWnd, EM_SETSEL, pos, pos); | |
203 | SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); | |
204 | char *nothing = ""; | |
205 | SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing); | |
206 | */ | |
0e320a79 DW |
207 | } |
208 | ||
209 | void wxComboBox::SetInsertionPointEnd() | |
210 | { | |
37f214d5 DW |
211 | /* |
212 | long pos = GetLastPosition(); | |
213 | SetInsertionPoint(pos); | |
214 | */ | |
0e320a79 DW |
215 | } |
216 | ||
217 | long wxComboBox::GetInsertionPoint() const | |
218 | { | |
37f214d5 DW |
219 | /* |
220 | DWORD Pos=(DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L); | |
221 | return Pos&0xFFFF; | |
222 | */ | |
223 | return 0; | |
0e320a79 DW |
224 | } |
225 | ||
226 | long wxComboBox::GetLastPosition() const | |
227 | { | |
37f214d5 DW |
228 | /* |
229 | HWND hWnd = GetHwnd(); | |
0e320a79 | 230 | |
37f214d5 DW |
231 | // Will always return a number > 0 (according to docs) |
232 | int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L); | |
0e320a79 | 233 | |
37f214d5 DW |
234 | // This gets the char index for the _beginning_ of the last line |
235 | int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L); | |
0e320a79 | 236 | |
37f214d5 DW |
237 | // Get number of characters in the last line. We'll add this to the character |
238 | // index for the last line, 1st position. | |
239 | int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L); | |
0e320a79 | 240 | |
37f214d5 DW |
241 | return (long)(charIndex + lineLength); |
242 | */ | |
243 | return 0; | |
0e320a79 DW |
244 | } |
245 | ||
37f214d5 | 246 | void wxComboBox::Replace(long from, long to, const wxString& value) |
0e320a79 | 247 | { |
37f214d5 DW |
248 | #if wxUSE_CLIPBOARD |
249 | HWND hWnd = GetHwnd(); | |
250 | long fromChar = from; | |
251 | long toChar = to; | |
0e320a79 | 252 | |
37f214d5 DW |
253 | // Set selection and remove it |
254 | // SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar); | |
255 | // SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0); | |
0e320a79 | 256 | |
37f214d5 DW |
257 | // Now replace with 'value', by pasting. |
258 | wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0); | |
0e320a79 | 259 | |
37f214d5 DW |
260 | // Paste into edit control |
261 | // SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L); | |
262 | #endif | |
0e320a79 DW |
263 | } |
264 | ||
37f214d5 | 265 | void wxComboBox::Remove(long from, long to) |
0e320a79 | 266 | { |
37f214d5 DW |
267 | HWND hWnd = GetHwnd(); |
268 | long fromChar = from; | |
269 | long toChar = to; | |
0e320a79 | 270 | |
37f214d5 DW |
271 | // Cut all selected text |
272 | // SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar); | |
273 | // SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0); | |
0e320a79 DW |
274 | } |
275 | ||
37f214d5 | 276 | void wxComboBox::SetSelection(long from, long to) |
0e320a79 | 277 | { |
37f214d5 DW |
278 | HWND hWnd = GetHwnd(); |
279 | long fromChar = from; | |
280 | long toChar = to; | |
281 | // if from and to are both -1, it means | |
282 | // (in wxWindows) that all text should be selected. | |
283 | // This translates into Windows convention | |
284 | if ((from == -1) && (to == -1)) | |
285 | { | |
286 | fromChar = 0; | |
287 | toChar = -1; | |
288 | } | |
289 | ||
290 | // SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar); | |
291 | // SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); | |
0e320a79 DW |
292 | } |
293 | ||
37f214d5 DW |
294 | void wxComboBox::DoSetSize(int x, int y, |
295 | int width, int height, | |
296 | int sizeFlags) | |
0e320a79 | 297 | { |
37f214d5 | 298 | wxControl::DoSetSize(x, y, width, height, sizeFlags); |
0e320a79 | 299 | } |
37f214d5 DW |
300 | |
301 | #endif | |
302 | // wxUSE_COMBOBOX | |
303 |