1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
|
%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
license = bsd
%% header
/** @file Dk4WxFrame.h Base class for top level frames.
*/
#ifndef DK4CONF_H_INCLUDED
#include "dk4conf.h"
#endif
#ifndef DK4TYPES_H_INCLUDED
#include "dk4types.h"
#endif
#ifndef WX_WXPREC_H_INCLUDED
#include <wx/wxprec.h>
#define WX_WXPREC_H_INCLUDED 1
#endif
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#ifndef WX_WX_H_INCLUDED
#include <wx/wx.h>
#define WX_WX_H_INCLUDED 1
#endif
#endif
#ifndef DK4WXAPPLICATIONHELPER_H_INCLUDED
#include "Dk4WxApplicationHelper.h"
#endif
#ifndef DK4WXHELPCONTROLLER_H_INCLUDED
#include "Dk4WxHelpController.h"
#endif
/** Frame (top level window).
*/
class Dk4WxFrame : public wxFrame
{
protected:
/** Application helper.
*/
Dk4WxApplicationHelper *pAppHelp;
/** Help controller for online help.
*/
Dk4WxHelpController *pHelp;
/** Application name.
*/
wxString sAppName;
/** Synchronize access to iInstances.
*/
static wxCriticalSection csInstances;
/** Number of instances.
*/
static int iInstances;
public:
/** Constructor.
@param appName Application name.
@param appHelper Application helper.
@param helpController Help controller.
@param wxid Window ID.
*/
Dk4WxFrame(
const wxString & appName,
Dk4WxApplicationHelper *appHelper,
Dk4WxHelpController *helpController,
int wxid
);
/** Restore previously saved window position.
*/
void
RestorePosition(void);
/** Handler for close event.
@param event Event to process.
*/
void
OnClose(wxCloseEvent & event);
/** Decide whether we can close the frame.
@param isFinal Flag: Final frame.
@return True to close the frame, false to keep it.
*/
virtual
bool
CanClose(bool isFinal);
/** Open help system.
*/
void
DisplayContents(void);
/** Open help section specified by name.
@param name Section name.
*/
void
DisplaySection(wxString const & name);
/** Open a help section specified by number.
@param number Section number (context ID).
*/
void
DisplaySection(int number);
protected:
/** Save current window position.
*/
void
SavePosition(void);
};
%% module
#include "Dk4WxFrame.h"
$!trace-include
/** Protection for number of instances.
*/
wxCriticalSection Dk4WxFrame::csInstances;
/** Number of instances.
*/
int Dk4WxFrame::iInstances = 0;
/** Keywords to save and restore window size and position.
*/
static const wxChar * const dk4wxframe_kw_size[] = {
$!string-table macro=wxT
window.x
window.y
window.w
window.h
window.maximized
window.iconized
$!end
};
/** Keywords to restore maximized and iconized state.
*/
static const wxChar * const dk4wxframe_kw_restore[] = {
$!string-table macro=wxT
window.restore-maximized
window.restore-iconized
window.restore-size
$!end
};
Dk4WxFrame::Dk4WxFrame(
const wxString & appName,
Dk4WxApplicationHelper *appHelper,
Dk4WxHelpController *helpController,
int wxid
)
: wxFrame(NULL, wxid, appName)
{
pAppHelp = appHelper;
pHelp = helpController;
sAppName = appName;
{
wxCriticalSectionLocker lock(csInstances);
iInstances++;
}
Connect(wxid, wxEVT_CLOSE_WINDOW, wxCloseEventHandler(Dk4WxFrame::OnClose));
}
void
Dk4WxFrame::OnClose(wxCloseEvent & event)
{
bool doClose = true;
bool isFinal = false;
bool savePos = false;
{
wxCriticalSectionLocker lock(csInstances);
if (1 == iInstances) {
isFinal = true;
}
}
if (event.CanVeto()) {
doClose = CanClose(isFinal);
} else {
(void)CanClose(isFinal);
}
if (doClose) {
{
wxCriticalSectionLocker lock(csInstances);
if (1 == iInstances--) { savePos = true; }
}
if (savePos) {
SavePosition();
}
event.Skip();
} else {
event.Veto();
}
}
bool
Dk4WxFrame::CanClose(bool isFinal)
{
return true;
}
void
Dk4WxFrame::SavePosition(void)
{
int iv[6];
if (NULL != pAppHelp) {
iv[4] = iv[5] = 0;
if (IsIconized()) {
iv[5] = 1;
Iconize(false);
}
if (IsMaximized()) {
iv[4] = 1;
Maximize(false);
}
GetPosition(&(iv[0]), &(iv[1]));
GetSize(&(iv[2]), &(iv[3]));
$? ". saving current size"
$? ". x = %d", iv[0]
$? ". y = %d", iv[1]
$? ". w = %d", iv[2]
$? ". h = %d", iv[3]
pAppHelp->SetMultiple(dk4wxframe_kw_size, iv, 6);
}
}
void
Dk4WxFrame::RestorePosition(void)
{
int iv[6]; /* Values stored in config */
bool bv[3]; /* Feature restore */
int x; /* X position */
int y; /* Y position */
int w; /* Width */
int h; /* Height */
$? "+ Dk4WxFrame::RestorePosition"
#if wxCHECK_VERSION(3,0,0)
bv[2] = false;
#else
bv[2] = true;
#endif
/* Initialize variables.
*/
iv[0] = iv[1] = -1;
iv[2] = iv[3] = iv[4] = iv[5] = 0;
bv[0] = bv[1] = false;
/* Retrieve stored values if found.
*/
if (NULL != pAppHelp) {
pAppHelp->GetMultiple(dk4wxframe_kw_size, iv, 6);
pAppHelp->GetMultiple(dk4wxframe_kw_restore, bv, 3);
}
/* Find size if not stored.
*/
GetSize(&w, &h);
x = iv[0];
y = iv[1];
/* Correct size if size restoration wanted, increase if necessary.
*/
if (bv[2]) { $? ". bv[2]"
if (iv[2] > w) { w = iv[2]; }
if (iv[3] > h) { h = iv[3]; }
}
/* Correct values, no parts of window should be outside screen.
*/
Dk4WxApplicationHelper::CorrectPosition(x, y, w, h);
/* Set position and optionally size.
*/
if (bv[2]) { $? ". bv[2]"
SetSize(x, y, w, h);
} else {
SetPosition( wxPoint(x,y) );
}
/* Restore maximized or iconized state if required.
*/
if (bv[0]) { $? ". bv[0]"
Maximize(0 != iv[4]);
}
if (bv[1]) { $? ". bv[1]"
Iconize(0 != iv[5]);
}
$? "- Dk4WxFrame::RestorePosition"
}
void
Dk4WxFrame::DisplayContents(void)
{
if (NULL != pHelp) {
pHelp->DisplayContents();
}
}
void
Dk4WxFrame::DisplaySection(wxString const & name)
{
if (NULL != pHelp) {
pHelp->DisplaySection(name);
}
}
void
Dk4WxFrame::DisplaySection(int number)
{
if (NULL != pHelp) {
pHelp->DisplaySection(number);
}
}
|