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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Program: wxWindows Widgets Sample | |
3 | // Name: widgets.cpp | |
4 | // Purpose: Sample showing most of the simple wxWindows widgets | |
5 | // Author: Vadim Zeitlin | |
6 | // Created: 27.03.01 | |
7 | // Id: $Id$ | |
8 | // Copyright: (c) 2001 Vadim Zeitlin | |
9 | // License: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | // for compilers that support precompilation, includes "wx/wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
24 | #pragma hdrstop | |
25 | #endif | |
26 | ||
27 | // for all others, include the necessary headers | |
28 | #ifndef WX_PRECOMP | |
29 | #include "wx/app.h" | |
30 | #include "wx/log.h" | |
31 | #include "wx/frame.h" | |
32 | #include "wx/button.h" | |
33 | #include "wx/checkbox.h" | |
34 | #include "wx/listbox.h" | |
35 | #include "wx/statbox.h" | |
36 | #include "wx/stattext.h" | |
37 | #include "wx/textctrl.h" | |
38 | #endif | |
39 | ||
40 | #include "wx/notebook.h" | |
41 | #include "wx/sizer.h" | |
42 | ||
43 | #include "widgets.h" | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // constants | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
49 | // control ids | |
50 | enum | |
51 | { | |
52 | Widgets_ClearLog = 100, | |
53 | Widgets_Quit | |
54 | }; | |
55 | ||
56 | // ---------------------------------------------------------------------------- | |
57 | // our classes | |
58 | // ---------------------------------------------------------------------------- | |
59 | ||
60 | // Define a new application type, each program should derive a class from wxApp | |
61 | class WidgetsApp : public wxApp | |
62 | { | |
63 | public: | |
64 | // override base class virtuals | |
65 | // ---------------------------- | |
66 | ||
67 | // this one is called on application startup and is a good place for the app | |
68 | // initialization (doing it here and not in the ctor allows to have an error | |
69 | // return: if OnInit() returns false, the application terminates) | |
70 | virtual bool OnInit(); | |
71 | }; | |
72 | ||
73 | // Define a new frame type: this is going to be our main frame | |
74 | class WidgetsFrame : public wxFrame | |
75 | { | |
76 | public: | |
77 | // ctor(s) and dtor | |
78 | WidgetsFrame(const wxString& title); | |
79 | virtual ~WidgetsFrame(); | |
80 | ||
81 | protected: | |
82 | // event handlers | |
83 | void OnButtonClearLog(wxCommandEvent& event); | |
84 | void OnButtonQuit(wxCommandEvent& event); | |
85 | ||
86 | // initialize the notebook: add all pages to it | |
87 | void InitNotebook(); | |
88 | ||
89 | private: | |
90 | // the panel containing everything | |
91 | wxPanel *m_panel; | |
92 | ||
93 | // the listbox for logging messages | |
94 | wxListBox *m_lboxLog; | |
95 | ||
96 | // the log target we use to redirect messages to the listbox | |
97 | wxLog *m_logTarget; | |
98 | ||
99 | // the notebook containing the test pages | |
100 | wxNotebook *m_notebook; | |
101 | ||
102 | // and the image list for it | |
103 | wxImageList *m_imaglist; | |
104 | ||
105 | // any class wishing to process wxWindows events must use this macro | |
106 | DECLARE_EVENT_TABLE() | |
107 | }; | |
108 | ||
109 | // A log target which just redirects the messages to a listbox | |
110 | class LboxLogger : public wxLog | |
111 | { | |
112 | public: | |
113 | LboxLogger(wxListBox *lbox, wxLog *logOld) | |
114 | { | |
115 | m_lbox = lbox; | |
116 | //m_lbox->Disable(); -- looks ugly under MSW | |
117 | m_logOld = logOld; | |
118 | } | |
119 | ||
120 | virtual ~LboxLogger() | |
121 | { | |
122 | wxLog::SetActiveTarget(m_logOld); | |
123 | } | |
124 | ||
125 | private: | |
126 | // implement sink functions | |
127 | virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t) | |
128 | { | |
129 | // don't put trace messages into listbox or we can get into infinite | |
130 | // recursion | |
131 | if ( level == wxLOG_Trace ) | |
132 | { | |
133 | if ( m_logOld ) | |
134 | { | |
135 | // cast is needed to call protected method | |
136 | ((LboxLogger *)m_logOld)->DoLog(level, szString, t); | |
137 | } | |
138 | } | |
139 | else | |
140 | { | |
141 | wxLog::DoLog(level, szString, t); | |
142 | } | |
143 | } | |
144 | ||
145 | virtual void DoLogString(const wxChar *szString, time_t t) | |
146 | { | |
147 | wxString msg; | |
148 | TimeStamp(&msg); | |
149 | msg += szString; | |
150 | ||
151 | #ifdef __WXUNIVERSAL__ | |
152 | m_lbox->AppendAndEnsureVisible(msg); | |
153 | #else // other ports don't have this method yet | |
154 | m_lbox->Append(msg); | |
155 | m_lbox->SetFirstItem(m_lbox->GetCount() - 1); | |
156 | #endif | |
157 | } | |
158 | ||
159 | // the control we use | |
160 | wxListBox *m_lbox; | |
161 | ||
162 | // the old log target | |
163 | wxLog *m_logOld; | |
164 | }; | |
165 | ||
166 | // array of pages | |
167 | WX_DEFINE_ARRAY(WidgetsPage *, ArrayWidgetsPage); | |
168 | ||
169 | // ---------------------------------------------------------------------------- | |
170 | // misc macros | |
171 | // ---------------------------------------------------------------------------- | |
172 | ||
173 | IMPLEMENT_APP(WidgetsApp) | |
174 | ||
175 | // ---------------------------------------------------------------------------- | |
176 | // event tables | |
177 | // ---------------------------------------------------------------------------- | |
178 | ||
179 | BEGIN_EVENT_TABLE(WidgetsFrame, wxFrame) | |
180 | EVT_BUTTON(Widgets_ClearLog, WidgetsFrame::OnButtonClearLog) | |
181 | EVT_BUTTON(Widgets_Quit, WidgetsFrame::OnButtonQuit) | |
182 | END_EVENT_TABLE() | |
183 | ||
184 | // ============================================================================ | |
185 | // implementation | |
186 | // ============================================================================ | |
187 | ||
188 | // ---------------------------------------------------------------------------- | |
189 | // app class | |
190 | // ---------------------------------------------------------------------------- | |
191 | ||
192 | bool WidgetsApp::OnInit() | |
193 | { | |
194 | if ( !wxApp::OnInit() ) | |
195 | return FALSE; | |
196 | ||
197 | // the reason for having these ifdef's is that I often run two copies of | |
198 | // this sample side by side and it is useful to see which one is which | |
199 | wxString title; | |
200 | #if defined(__WXUNIVERSAL__) | |
201 | title = _T("wxUniv/"); | |
202 | #endif | |
203 | ||
204 | #if defined(__WXMSW__) | |
205 | title += _T("wxMSW"); | |
206 | #elif defined(__WXGTK__) | |
207 | title += _T("wxGTK"); | |
208 | #else | |
209 | title += _T("wxWindows"); | |
210 | #endif | |
211 | ||
212 | wxFrame *frame = new WidgetsFrame(title + _T(" widgets demo")); | |
213 | frame->Show(); | |
214 | ||
215 | //wxLog::AddTraceMask(_T("listbox")); | |
216 | //wxLog::AddTraceMask(_T("scrollbar")); | |
217 | ||
218 | return TRUE; | |
219 | } | |
220 | ||
221 | // ---------------------------------------------------------------------------- | |
222 | // WidgetsFrame construction | |
223 | // ---------------------------------------------------------------------------- | |
224 | ||
225 | WidgetsFrame::WidgetsFrame(const wxString& title) | |
226 | : wxFrame(NULL, -1, title, wxPoint(0, 50)) | |
227 | { | |
228 | // init everything | |
229 | m_lboxLog = (wxListBox *)NULL; | |
230 | m_logTarget = (wxLog *)NULL; | |
231 | m_notebook = (wxNotebook *)NULL; | |
232 | m_imaglist = (wxImageList *)NULL; | |
233 | ||
234 | // create controls | |
235 | m_panel = new wxPanel(this, -1); | |
236 | ||
237 | wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL); | |
238 | ||
239 | // we have 2 panes: notebook which pages demonstrating the controls in the | |
240 | // upper one and the log window with some buttons in the lower | |
241 | ||
242 | m_notebook = new wxNotebook(m_panel, -1); | |
243 | InitNotebook(); | |
244 | wxSizer *sizerUp = new wxNotebookSizer(m_notebook); | |
245 | ||
246 | // the lower one only has the log listbox and a button to clear it | |
247 | wxSizer *sizerDown = new wxStaticBoxSizer | |
248 | ( | |
249 | new wxStaticBox(m_panel, -1, _T("&Log window")), | |
250 | wxVERTICAL | |
251 | ); | |
252 | m_lboxLog = new wxListBox(m_panel, -1); | |
253 | sizerDown->Add(m_lboxLog, 1, wxGROW | wxALL, 5); | |
254 | wxBoxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL); | |
255 | wxButton *btn = new wxButton(m_panel, Widgets_ClearLog, _T("Clear &log")); | |
256 | sizerBtns->Add(btn); | |
257 | sizerBtns->Add(10, 0); // spacer | |
258 | btn = new wxButton(m_panel, Widgets_Quit, _T("E&xit")); | |
259 | sizerBtns->Add(btn); | |
260 | sizerDown->Add(sizerBtns, 0, wxALL | wxALIGN_RIGHT, 5); | |
261 | ||
262 | // put everything together | |
263 | sizerTop->Add(sizerUp, 1, wxGROW | (wxALL & ~(wxTOP | wxBOTTOM)), 10); | |
264 | sizerTop->Add(0, 5, 0, wxGROW); // spacer in between | |
265 | sizerTop->Add(sizerDown, 0, wxGROW | (wxALL & ~wxTOP), 10); | |
266 | ||
267 | m_panel->SetAutoLayout(TRUE); | |
268 | m_panel->SetSizer(sizerTop); | |
269 | ||
270 | sizerTop->Fit(this); | |
271 | sizerTop->SetSizeHints(this); | |
272 | ||
273 | // now that everything is created we can redirect the log messages to the | |
274 | // listbox | |
275 | m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget()); | |
276 | wxLog::SetActiveTarget(m_logTarget); | |
277 | } | |
278 | ||
279 | void WidgetsFrame::InitNotebook() | |
280 | { | |
281 | m_imaglist = new wxImageList(32, 32); | |
282 | ||
283 | ArrayWidgetsPage pages; | |
284 | wxArrayString labels; | |
285 | ||
286 | // we need to first create all pages and only then add them to the notebook | |
287 | // as we need the image list first | |
288 | WidgetsPageInfo *info = WidgetsPage::ms_widgetPages; | |
289 | while ( info ) | |
290 | { | |
291 | WidgetsPage *page = (*info->GetCtor())(m_notebook, m_imaglist); | |
292 | pages.Add(page); | |
293 | ||
294 | labels.Add(info->GetLabel()); | |
295 | ||
296 | info = info->GetNext(); | |
297 | } | |
298 | ||
299 | m_notebook->SetImageList(m_imaglist); | |
300 | ||
301 | // now do add them | |
302 | size_t count = pages.GetCount(); | |
303 | for ( size_t n = 0; n < count; n++ ) | |
304 | { | |
305 | m_notebook->AddPage( | |
306 | pages[n], | |
307 | labels[n], | |
308 | FALSE, // don't select | |
309 | n // image id | |
310 | ); | |
311 | } | |
312 | } | |
313 | ||
314 | WidgetsFrame::~WidgetsFrame() | |
315 | { | |
316 | delete m_logTarget; | |
317 | delete m_imaglist; | |
318 | } | |
319 | ||
320 | // ---------------------------------------------------------------------------- | |
321 | // WidgetsFrame event handlers | |
322 | // ---------------------------------------------------------------------------- | |
323 | ||
324 | void WidgetsFrame::OnButtonQuit(wxCommandEvent& WXUNUSED(event)) | |
325 | { | |
326 | Close(); | |
327 | } | |
328 | ||
329 | void WidgetsFrame::OnButtonClearLog(wxCommandEvent& event) | |
330 | { | |
331 | m_lboxLog->Clear(); | |
332 | } | |
333 | ||
334 | // ---------------------------------------------------------------------------- | |
335 | // WidgetsPageInfo | |
336 | // ---------------------------------------------------------------------------- | |
337 | ||
338 | WidgetsPageInfo *WidgetsPage::ms_widgetPages = NULL; | |
339 | ||
340 | WidgetsPageInfo::WidgetsPageInfo(Constructor ctor, const wxChar *label) | |
341 | : m_label(label) | |
342 | { | |
343 | m_ctor = ctor; | |
344 | ||
345 | m_next = WidgetsPage::ms_widgetPages; | |
346 | WidgetsPage::ms_widgetPages = this; | |
347 | } | |
348 | ||
349 | // ---------------------------------------------------------------------------- | |
350 | // WidgetsPage | |
351 | // ---------------------------------------------------------------------------- | |
352 | ||
353 | WidgetsPage::WidgetsPage(wxNotebook *notebook) | |
354 | : wxPanel(notebook, -1) | |
355 | { | |
356 | } | |
357 | ||
358 | wxSizer *WidgetsPage::CreateSizerWithText(wxControl *control, | |
359 | wxWindowID id, | |
360 | wxTextCtrl **ppText) | |
361 | { | |
362 | wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL); | |
363 | wxTextCtrl *text = new wxTextCtrl(this, id, _T("")); | |
364 | sizerRow->Add(control, 0, wxRIGHT | wxALIGN_CENTRE_VERTICAL, 5); | |
365 | sizerRow->Add(text, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5); | |
366 | ||
367 | if ( ppText ) | |
368 | *ppText = text; | |
369 | ||
370 | return sizerRow; | |
371 | } | |
372 | ||
373 | // create a sizer containing a label and a text ctrl | |
374 | wxSizer *WidgetsPage::CreateSizerWithTextAndLabel(const wxString& label, | |
375 | wxWindowID id, | |
376 | wxTextCtrl **ppText) | |
377 | { | |
378 | return CreateSizerWithText(new wxStaticText(this, -1, label), id, ppText); | |
379 | } | |
380 | ||
381 | // create a sizer containing a button and a text ctrl | |
382 | wxSizer *WidgetsPage::CreateSizerWithTextAndButton(wxWindowID idBtn, | |
383 | const wxString& label, | |
384 | wxWindowID id, | |
385 | wxTextCtrl **ppText) | |
386 | { | |
387 | return CreateSizerWithText(new wxButton(this, idBtn, label), id, ppText); | |
388 | } | |
389 | ||
390 | wxCheckBox *WidgetsPage::CreateCheckBoxAndAddToSizer(wxSizer *sizer, | |
391 | const wxString& label, | |
392 | wxWindowID id) | |
393 | { | |
394 | wxCheckBox *checkbox = new wxCheckBox(this, id, label); | |
395 | sizer->Add(checkbox, 0, wxLEFT | wxRIGHT, 5); | |
396 | sizer->Add(0, 2, 0, wxGROW); // spacer | |
397 | ||
398 | return checkbox; | |
399 | } | |
400 |