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