]>
Commit | Line | Data |
---|---|---|
1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: sizer.cpp | |
3 | // Purpose: provide new wxSizer class for layounting | |
4 | // Author: Robert Roebling and Robin Dunn | |
5 | // Modified by: | |
6 | // Created: | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "sizer.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 | #include "wx/sizer.h" | |
24 | #include "wx/utils.h" | |
25 | #include "wx/statbox.h" | |
26 | ||
27 | //--------------------------------------------------------------------------- | |
28 | // wxSizerItem | |
29 | //--------------------------------------------------------------------------- | |
30 | ||
31 | wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border ) | |
32 | { | |
33 | m_window = (wxWindow *) NULL; | |
34 | m_sizer = (wxSizer *) NULL; | |
35 | m_option = option; | |
36 | m_border = border; | |
37 | m_flag = flag; | |
38 | ||
39 | // minimal size is the initial size | |
40 | m_minSize.x = width; | |
41 | m_minSize.y = height; | |
42 | ||
43 | // size is set directly | |
44 | m_size = m_minSize; | |
45 | } | |
46 | ||
47 | wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border ) | |
48 | { | |
49 | m_window = window; | |
50 | m_sizer = (wxSizer *) NULL; | |
51 | m_option = option; | |
52 | m_border = border; | |
53 | m_flag = flag; | |
54 | ||
55 | // minimal size is the initial size | |
56 | m_minSize = window->GetSize(); | |
57 | ||
58 | // size is calculated later | |
59 | // m_size = ... | |
60 | } | |
61 | ||
62 | wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border ) | |
63 | { | |
64 | m_window = (wxWindow *) NULL; | |
65 | m_sizer = sizer; | |
66 | m_option = option; | |
67 | m_border = border; | |
68 | m_flag = flag; | |
69 | ||
70 | // minimal size is calculated later | |
71 | // m_minSize = ... | |
72 | ||
73 | // size is calculated later | |
74 | // m_size = ... | |
75 | } | |
76 | ||
77 | wxSize wxSizerItem::GetSize() | |
78 | { | |
79 | wxSize ret; | |
80 | if (IsSizer()) | |
81 | ret = m_sizer->GetSize(); | |
82 | else | |
83 | if (IsWindow()) | |
84 | ret = m_window->GetSize(); | |
85 | else ret = m_size; | |
86 | ||
87 | if (m_flag & wxWEST) | |
88 | ret.x += m_border; | |
89 | if (m_flag & wxEAST) | |
90 | ret.x += m_border; | |
91 | if (m_flag & wxNORTH) | |
92 | ret.y += m_border; | |
93 | if (m_flag & wxSOUTH) | |
94 | ret.y += m_border; | |
95 | ||
96 | return ret; | |
97 | } | |
98 | ||
99 | wxSize wxSizerItem::CalcMin() | |
100 | { | |
101 | wxSize ret; | |
102 | if (IsSizer()) | |
103 | ret = m_sizer->CalcMin(); | |
104 | /* | |
105 | The minimum size of a window should be the | |
106 | initial size, as saved in m_minSize, not the | |
107 | current size. | |
108 | ||
109 | else | |
110 | if (IsWindow()) | |
111 | ret = m_window->GetSize(); | |
112 | */ | |
113 | else ret = m_minSize; | |
114 | ||
115 | if (m_flag & wxWEST) | |
116 | ret.x += m_border; | |
117 | if (m_flag & wxEAST) | |
118 | ret.x += m_border; | |
119 | if (m_flag & wxNORTH) | |
120 | ret.y += m_border; | |
121 | if (m_flag & wxSOUTH) | |
122 | ret.y += m_border; | |
123 | ||
124 | return ret; | |
125 | } | |
126 | ||
127 | void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) | |
128 | { | |
129 | if (m_flag & wxWEST) | |
130 | { | |
131 | pos.x += m_border; | |
132 | size.x -= m_border; | |
133 | } | |
134 | if (m_flag & wxEAST) | |
135 | { | |
136 | size.x -= m_border; | |
137 | } | |
138 | if (m_flag & wxNORTH) | |
139 | { | |
140 | pos.y += m_border; | |
141 | size.y -= m_border; | |
142 | } | |
143 | if (m_flag & wxSOUTH) | |
144 | { | |
145 | size.y -= m_border; | |
146 | } | |
147 | ||
148 | if (IsSizer()) | |
149 | m_sizer->SetDimension( pos.x, pos.y, size.x, size.y ); | |
150 | ||
151 | if (IsWindow()) | |
152 | m_window->SetSize( pos.x, pos.y, size.x, size.y ); | |
153 | ||
154 | m_size = size; | |
155 | } | |
156 | ||
157 | bool wxSizerItem::IsWindow() | |
158 | { | |
159 | return (m_window != NULL); | |
160 | } | |
161 | ||
162 | bool wxSizerItem::IsSizer() | |
163 | { | |
164 | return (m_sizer != NULL); | |
165 | } | |
166 | ||
167 | bool wxSizerItem::IsSpacer() | |
168 | { | |
169 | return (m_window == NULL) && (m_sizer == NULL); | |
170 | } | |
171 | ||
172 | //--------------------------------------------------------------------------- | |
173 | // wxSizer | |
174 | //--------------------------------------------------------------------------- | |
175 | ||
176 | wxSizer::wxSizer() | |
177 | { | |
178 | m_children.DeleteContents( TRUE ); | |
179 | } | |
180 | ||
181 | wxSizer::~wxSizer() | |
182 | { | |
183 | } | |
184 | ||
185 | void wxSizer::Add( wxWindow *window, int option, int flag, int border ) | |
186 | { | |
187 | m_children.Append( new wxSizerItem( window, option, flag, border ) ); | |
188 | } | |
189 | ||
190 | void wxSizer::Add( wxSizer *sizer, int option, int flag, int border ) | |
191 | { | |
192 | m_children.Append( new wxSizerItem( sizer, option, flag, border ) ); | |
193 | } | |
194 | ||
195 | void wxSizer::Add( int width, int height, int option, int flag, int border ) | |
196 | { | |
197 | m_children.Append( new wxSizerItem( width, height, option, flag, border ) ); | |
198 | } | |
199 | ||
200 | void wxSizer::Prepend( wxWindow *window, int option, int flag, int border ) | |
201 | { | |
202 | m_children.Insert( new wxSizerItem( window, option, flag, border ) ); | |
203 | } | |
204 | ||
205 | void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border ) | |
206 | { | |
207 | m_children.Insert( new wxSizerItem( sizer, option, flag, border ) ); | |
208 | } | |
209 | ||
210 | void wxSizer::Prepend( int width, int height, int option, int flag, int border ) | |
211 | { | |
212 | m_children.Insert( new wxSizerItem( width, height, option, flag, border ) ); | |
213 | } | |
214 | ||
215 | bool wxSizer::Remove( wxWindow *window ) | |
216 | { | |
217 | wxASSERT( window ); | |
218 | ||
219 | wxNode *node = m_children.First(); | |
220 | while (node) | |
221 | { | |
222 | wxSizerItem *item = (wxSizerItem*)node->Data(); | |
223 | if (item->GetWindow() == window) | |
224 | { | |
225 | m_children.DeleteNode( node ); | |
226 | return TRUE; | |
227 | } | |
228 | node = node->Next(); | |
229 | } | |
230 | ||
231 | return FALSE; | |
232 | } | |
233 | ||
234 | bool wxSizer::Remove( wxSizer *sizer ) | |
235 | { | |
236 | wxASSERT( sizer ); | |
237 | ||
238 | wxNode *node = m_children.First(); | |
239 | while (node) | |
240 | { | |
241 | wxSizerItem *item = (wxSizerItem*)node->Data(); | |
242 | if (item->GetSizer() == sizer) | |
243 | { | |
244 | m_children.DeleteNode( node ); | |
245 | return TRUE; | |
246 | } | |
247 | node = node->Next(); | |
248 | } | |
249 | ||
250 | return FALSE; | |
251 | } | |
252 | ||
253 | bool wxSizer::Remove( int pos ) | |
254 | { | |
255 | wxNode *node = m_children.Nth( pos ); | |
256 | if (!node) return FALSE; | |
257 | ||
258 | m_children.DeleteNode( node ); | |
259 | ||
260 | return TRUE; | |
261 | } | |
262 | ||
263 | void wxSizer::Fit( wxWindow *window ) | |
264 | { | |
265 | window->SetSize( GetMinWindowSize( window ) ); | |
266 | } | |
267 | ||
268 | void wxSizer::Layout() | |
269 | { | |
270 | CalcMin(); | |
271 | RecalcSizes(); | |
272 | } | |
273 | ||
274 | void wxSizer::SetSizeHints( wxWindow *window ) | |
275 | { | |
276 | wxSize size( GetMinWindowSize( window ) ); | |
277 | window->SetSizeHints( size.x, size.y ); | |
278 | } | |
279 | ||
280 | wxSize wxSizer::GetMinWindowSize( wxWindow *window ) | |
281 | { | |
282 | wxSize minSize( GetMinSize() ); | |
283 | wxSize size( window->GetSize() ); | |
284 | wxSize client_size( window->GetClientSize() ); | |
285 | return wxSize( minSize.x+size.x-client_size.x, | |
286 | minSize.y+size.y-client_size.y ); | |
287 | } | |
288 | ||
289 | void wxSizer::SetDimension( int x, int y, int width, int height ) | |
290 | { | |
291 | m_position.x = x; | |
292 | m_position.y = y; | |
293 | m_size.x = width; | |
294 | m_size.y = height; | |
295 | CalcMin(); | |
296 | RecalcSizes(); | |
297 | } | |
298 | ||
299 | //--------------------------------------------------------------------------- | |
300 | // wxBoxSizer | |
301 | //--------------------------------------------------------------------------- | |
302 | ||
303 | wxBoxSizer::wxBoxSizer( int orient ) | |
304 | { | |
305 | m_orient = orient; | |
306 | } | |
307 | ||
308 | void wxBoxSizer::RecalcSizes() | |
309 | { | |
310 | if (m_children.GetCount() == 0) | |
311 | return; | |
312 | ||
313 | int delta = 0; | |
314 | int extra = 0; | |
315 | if (m_stretchable) | |
316 | { | |
317 | if (m_orient == wxHORIZONTAL) | |
318 | { | |
319 | delta = (m_size.x - m_fixedWidth) / m_stretchable; | |
320 | extra = (m_size.x - m_fixedWidth) % m_stretchable; | |
321 | } | |
322 | else | |
323 | { | |
324 | delta = (m_size.y - m_fixedHeight) / m_stretchable; | |
325 | extra = (m_size.y - m_fixedHeight) % m_stretchable; | |
326 | } | |
327 | } | |
328 | ||
329 | wxPoint pt( m_position ); | |
330 | ||
331 | wxNode *node = m_children.GetFirst(); | |
332 | while (node) | |
333 | { | |
334 | wxSizerItem *item = (wxSizerItem*) node->Data(); | |
335 | ||
336 | int weight = 1; | |
337 | if (item->GetOption()) | |
338 | weight = item->GetOption(); | |
339 | ||
340 | wxSize size( item->CalcMin() ); | |
341 | ||
342 | if (m_orient == wxVERTICAL) | |
343 | { | |
344 | long height = size.y; | |
345 | if (item->GetOption()) | |
346 | { | |
347 | height = (delta * weight) + extra; | |
348 | extra = 0; // only the first item will get the remainder as extra size | |
349 | } | |
350 | ||
351 | wxPoint child_pos( pt ); | |
352 | wxSize child_size( wxSize( size.x, height) ); | |
353 | ||
354 | if (item->GetFlag() & wxALIGN_RIGHT) | |
355 | child_pos.x += m_size.x - size.x; | |
356 | else if (item->GetFlag() & wxCENTER) | |
357 | child_pos.x += (m_size.x - size.x) / 2; | |
358 | else if (item->GetFlag() & wxEXPAND) | |
359 | child_size.x = m_size.x; | |
360 | ||
361 | item->SetDimension( child_pos, child_size ); | |
362 | ||
363 | pt.y += height; | |
364 | } | |
365 | else | |
366 | { | |
367 | long width = size.x; | |
368 | if (item->GetOption()) | |
369 | { | |
370 | width = (delta * weight) + extra; | |
371 | extra = 0; // only the first item will get the remainder as extra size | |
372 | } | |
373 | ||
374 | wxPoint child_pos( pt ); | |
375 | wxSize child_size( wxSize(width, size.y) ); | |
376 | ||
377 | if (item->GetFlag() & wxALIGN_BOTTOM) | |
378 | child_pos.y += m_size.y - size.y; | |
379 | else if (item->GetFlag() & wxCENTER) | |
380 | child_pos.y += (m_size.y - size.y) / 2; | |
381 | else if (item->GetFlag() & wxEXPAND) | |
382 | child_size.y = m_size.y; | |
383 | ||
384 | item->SetDimension( child_pos, child_size ); | |
385 | ||
386 | pt.x += width; | |
387 | } | |
388 | ||
389 | node = node->Next(); | |
390 | } | |
391 | } | |
392 | ||
393 | wxSize wxBoxSizer::CalcMin() | |
394 | { | |
395 | if (m_children.GetCount() == 0) | |
396 | return wxSize(2,2); | |
397 | ||
398 | m_stretchable = 0; | |
399 | m_minWidth = 0; | |
400 | m_minHeight = 0; | |
401 | m_fixedWidth = 0; | |
402 | m_fixedHeight = 0; | |
403 | ||
404 | wxNode *node = m_children.GetFirst(); | |
405 | while (node) | |
406 | { | |
407 | wxSizerItem *item = (wxSizerItem*) node->Data(); | |
408 | ||
409 | int weight = 1; | |
410 | if (item->GetOption()) | |
411 | weight = item->GetOption(); | |
412 | ||
413 | wxSize size( item->CalcMin() ); | |
414 | ||
415 | if (m_orient == wxHORIZONTAL) | |
416 | { | |
417 | m_minWidth += (size.x * weight); | |
418 | m_minHeight = wxMax( m_minHeight, size.y ); | |
419 | } | |
420 | else | |
421 | { | |
422 | m_minHeight += (size.y * weight); | |
423 | m_minWidth = wxMax( m_minWidth, size.x ); | |
424 | } | |
425 | ||
426 | if (item->GetOption()) | |
427 | { | |
428 | m_stretchable += weight; | |
429 | } | |
430 | else | |
431 | { | |
432 | if (m_orient == wxVERTICAL) | |
433 | { | |
434 | m_fixedHeight += size.y; | |
435 | m_fixedWidth = wxMax( m_fixedWidth, size.x ); | |
436 | } | |
437 | else | |
438 | { | |
439 | m_fixedWidth += size.x; | |
440 | m_fixedHeight = wxMax( m_fixedHeight, size.y ); | |
441 | } | |
442 | } | |
443 | ||
444 | node = node->Next(); | |
445 | } | |
446 | ||
447 | return wxSize( m_minWidth, m_minHeight ); | |
448 | } | |
449 | ||
450 | //--------------------------------------------------------------------------- | |
451 | // wxStaticBoxSizer | |
452 | //--------------------------------------------------------------------------- | |
453 | ||
454 | wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) | |
455 | : wxBoxSizer( orient ) | |
456 | { | |
457 | wxASSERT_MSG( box, _T("wxStaticBoxSizer needs a static box") ); | |
458 | ||
459 | m_staticBox = box; | |
460 | } | |
461 | ||
462 | void wxStaticBoxSizer::RecalcSizes() | |
463 | { | |
464 | // this will have to be done platform by platform | |
465 | // as there is no way to guess the thickness of | |
466 | // a wxStaticBox border | |
467 | int top_border = 15; | |
468 | if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; | |
469 | int other_border = 5; | |
470 | ||
471 | m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); | |
472 | ||
473 | wxPoint old_pos( m_position ); | |
474 | m_position.x += other_border; | |
475 | m_position.y += top_border; | |
476 | wxSize old_size( m_size ); | |
477 | m_size.x -= 2*other_border; | |
478 | m_size.y -= top_border + other_border; | |
479 | ||
480 | wxBoxSizer::RecalcSizes(); | |
481 | ||
482 | m_position = old_pos; | |
483 | m_size = old_size; | |
484 | } | |
485 | ||
486 | wxSize wxStaticBoxSizer::CalcMin() | |
487 | { | |
488 | // this will have to be done platform by platform | |
489 | // as there is no way to guess the thickness of | |
490 | // a wxStaticBox border | |
491 | int top_border = 15; | |
492 | if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; | |
493 | int other_border = 5; | |
494 | ||
495 | wxSize ret( wxBoxSizer::CalcMin() ); | |
496 | ret.x += 2*top_border; | |
497 | ret.y += other_border + top_border; | |
498 | ||
499 | return ret; | |
500 | } |