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5526e819 VS |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: htmlcell.cpp | |
3 | // Purpose: wxHtmlCell - basic element of HTML output | |
4 | // Author: Vaclav Slavik | |
5 | // Copyright: (c) 1999 Vaclav Slavik | |
6 | // Licence: wxWindows Licence | |
7 | ///////////////////////////////////////////////////////////////////////////// | |
8 | ||
5526e819 | 9 | #ifdef __GNUG__ |
4dcaf11a | 10 | #pragma implementation "htmlcell.h" |
5526e819 VS |
11 | #endif |
12 | ||
4dcaf11a | 13 | #include "wx/wxprec.h" |
5526e819 | 14 | |
5526e819 VS |
15 | #if wxUSE_HTML |
16 | ||
17 | #ifdef __BORDLANDC__ | |
18 | #pragma hdrstop | |
19 | #endif | |
20 | ||
21 | #ifndef WXPRECOMP | |
4dcaf11a | 22 | #include "wx/wx.h" |
5526e819 VS |
23 | #endif |
24 | ||
4dcaf11a RR |
25 | #include "wx/html/htmlcell.h" |
26 | #include "wx/html/htmlwin.h" | |
5526e819 VS |
27 | #include <stdlib.h> |
28 | ||
29 | ||
5526e819 VS |
30 | //----------------------------------------------------------------------------- |
31 | // wxHtmlCell | |
32 | //----------------------------------------------------------------------------- | |
33 | ||
34 | ||
35 | void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y, bool left, bool middle, bool right) | |
36 | { | |
25082126 VS |
37 | wxString lnk = GetLink(x, y); |
38 | if (lnk != wxEmptyString) | |
39 | ((wxHtmlWindow*)parent) -> OnLinkClicked(lnk); | |
5526e819 VS |
40 | // note : this overcasting is legal because parent is *always* wxHtmlWindow |
41 | } | |
42 | ||
43 | ||
44 | ||
45 | //----------------------------------------------------------------------------- | |
46 | // wxHtmlWordCell | |
47 | //----------------------------------------------------------------------------- | |
48 | ||
49 | wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell() | |
50 | { | |
51 | m_Word = word; | |
52 | m_Word.Replace(" ", " ", TRUE); | |
53 | m_Word.Replace(""", "\"", TRUE); | |
54 | m_Word.Replace("<", "<", TRUE); | |
55 | m_Word.Replace(">", ">", TRUE); | |
56 | m_Word.Replace("&", "&", TRUE); | |
57 | dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent); | |
58 | } | |
59 | ||
60 | ||
61 | ||
62 | void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) | |
63 | { | |
64 | dc.DrawText(m_Word, x + m_PosX, y + m_PosY); | |
65 | wxHtmlCell::Draw(dc, x, y, view_y1, view_y2); | |
66 | } | |
67 | ||
68 | ||
69 | ||
5526e819 VS |
70 | //----------------------------------------------------------------------------- |
71 | // wxHtmlContainerCell | |
72 | //----------------------------------------------------------------------------- | |
73 | ||
74 | ||
75 | wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCell() | |
76 | { | |
77 | m_Cells = m_LastCell = NULL; | |
78 | m_Parent = parent; | |
79 | if (m_Parent) m_Parent -> InsertCell(this); | |
80 | m_AlignHor = HTML_ALIGN_LEFT; | |
81 | m_AlignVer = HTML_ALIGN_BOTTOM; | |
82 | m_IndentLeft = m_IndentRight = m_IndentTop = m_IndentBottom = 0; | |
83 | m_WidthFloat = 100; m_WidthFloatUnits = HTML_UNITS_PERCENT; | |
84 | m_UseBkColour = FALSE; | |
85 | m_UseBorder = FALSE; | |
86 | m_MinHeight = m_MaxLineWidth = 0; | |
87 | m_MinHeightAlign = HTML_ALIGN_TOP; | |
88 | } | |
89 | ||
90 | ||
91 | ||
92 | void wxHtmlContainerCell::SetIndent(int i, int what, int units) | |
93 | { | |
94 | int val = (units == HTML_UNITS_PIXELS) ? i : -i; | |
95 | if (what & HTML_INDENT_LEFT) m_IndentLeft = val; | |
96 | if (what & HTML_INDENT_RIGHT) m_IndentRight = val; | |
97 | if (what & HTML_INDENT_TOP) m_IndentTop = val; | |
98 | if (what & HTML_INDENT_BOTTOM) m_IndentBottom = val; | |
99 | } | |
100 | ||
101 | ||
102 | ||
103 | int wxHtmlContainerCell::GetIndent(int ind) const | |
104 | { | |
105 | if (ind & HTML_INDENT_LEFT) return m_IndentLeft; | |
106 | else if (ind & HTML_INDENT_RIGHT) return m_IndentRight; | |
107 | else if (ind & HTML_INDENT_TOP) return m_IndentTop; | |
108 | else if (ind & HTML_INDENT_BOTTOM) return m_IndentBottom; | |
109 | else return -1; /* BUG! Should not be called... */ | |
110 | } | |
111 | ||
112 | ||
113 | ||
114 | ||
115 | int wxHtmlContainerCell::GetIndentUnits(int ind) const | |
116 | { | |
117 | bool p = FALSE; | |
118 | if (ind & HTML_INDENT_LEFT) p = m_IndentLeft < 0; | |
119 | else if (ind & HTML_INDENT_RIGHT) p = m_IndentRight < 0; | |
120 | else if (ind & HTML_INDENT_TOP) p = m_IndentTop < 0; | |
121 | else if (ind & HTML_INDENT_BOTTOM) p = m_IndentBottom < 0; | |
122 | if (p) return HTML_UNITS_PERCENT; | |
123 | else return HTML_UNITS_PIXELS; | |
124 | } | |
125 | ||
126 | ||
127 | ||
128 | void wxHtmlContainerCell::Layout(int w) | |
129 | { | |
130 | wxHtmlCell *cell = m_Cells, *line = m_Cells; | |
131 | long xpos = 0, ypos = m_IndentTop; | |
132 | int xdelta = 0, ybasicpos = 0, ydiff; | |
133 | int s_width, s_indent; | |
134 | int ysizeup = 0, ysizedown = 0; | |
135 | ||
136 | /* | |
137 | ||
138 | WIDTH ADJUSTING : | |
139 | ||
140 | */ | |
141 | ||
142 | if (m_WidthFloatUnits == HTML_UNITS_PERCENT) { | |
143 | if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100; | |
144 | else m_Width = m_WidthFloat * w / 100; | |
145 | } | |
146 | else { | |
147 | if (m_WidthFloat < 0) m_Width = w + m_WidthFloat; | |
148 | else m_Width = m_WidthFloat; | |
149 | } | |
150 | ||
151 | if (m_Cells) { | |
152 | int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft; | |
153 | int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight; | |
154 | m_Cells -> Layout(m_Width - (l + r)); | |
155 | } | |
156 | ||
157 | /* | |
158 | ||
159 | LAYOUTING : | |
160 | ||
161 | */ | |
162 | ||
163 | // adjust indentation: | |
164 | s_indent = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft; | |
165 | s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight); | |
166 | ||
167 | m_MaxLineWidth = 0; | |
168 | ||
169 | // my own layouting: | |
170 | while (cell != NULL) { | |
171 | switch (m_AlignVer) { | |
172 | case HTML_ALIGN_TOP : ybasicpos = 0; break; | |
173 | case HTML_ALIGN_BOTTOM : ybasicpos = - cell -> GetHeight(); break; | |
174 | case HTML_ALIGN_CENTER : ybasicpos = - cell -> GetHeight() / 2; break; | |
175 | } | |
176 | ydiff = cell -> GetHeight() + ybasicpos; | |
177 | ||
178 | if (cell -> GetDescent() + ydiff > ysizedown) ysizedown = cell -> GetDescent() + ydiff; | |
179 | if (ybasicpos + cell -> GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell -> GetDescent()); | |
180 | ||
181 | cell -> SetPos(xpos, ybasicpos + cell -> GetDescent()); | |
182 | xpos += cell -> GetWidth(); | |
183 | cell = cell -> GetNext(); | |
184 | ||
185 | // force new line if occured: | |
186 | if ((cell == NULL) || (xpos + cell -> GetWidth() > s_width)) { | |
187 | if (xpos > m_MaxLineWidth) m_MaxLineWidth = xpos; | |
188 | if (ysizeup < 0) ysizeup = 0; | |
189 | if (ysizedown < 0) ysizedown = 0; | |
190 | switch (m_AlignHor) { | |
191 | case HTML_ALIGN_LEFT : xdelta = 0; break; | |
192 | case HTML_ALIGN_RIGHT : xdelta = 0 + (s_width - xpos); break; | |
193 | case HTML_ALIGN_CENTER : xdelta = 0 + (s_width - xpos) / 2; break; | |
194 | } | |
195 | if (xdelta < 0) xdelta = 0; | |
196 | xdelta += s_indent; | |
197 | ||
198 | ypos += ysizeup; | |
199 | while (line != cell) { | |
200 | line -> SetPos(line -> GetPosX() + xdelta, ypos + line -> GetPosY()); | |
201 | line = line -> GetNext(); | |
202 | } | |
203 | ||
204 | ypos += ysizedown; | |
205 | xpos = 0; | |
206 | ysizeup = ysizedown = 0; | |
207 | line = cell; | |
208 | } | |
209 | } | |
210 | ||
211 | // setup height & width, depending on container layout: | |
212 | m_Height = ypos + (ysizedown + ysizeup) + m_IndentBottom; | |
213 | ||
214 | if (m_Height < m_MinHeight) { | |
215 | if (m_MinHeightAlign != HTML_ALIGN_TOP) { | |
216 | int diff = m_MinHeight - m_Height; | |
217 | if (m_MinHeightAlign == HTML_ALIGN_CENTER) diff /= 2; | |
218 | cell = m_Cells; | |
219 | while (cell) { | |
220 | cell -> SetPos(cell -> GetPosX(), cell -> GetPosY() + diff); | |
221 | cell = cell -> GetNext(); | |
222 | } | |
223 | } | |
224 | m_Height = m_MinHeight; | |
225 | } | |
226 | ||
227 | m_MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight); | |
228 | if (m_Width < m_MaxLineWidth) m_Width = m_MaxLineWidth; | |
229 | ||
230 | wxHtmlCell::Layout(w); | |
231 | } | |
232 | ||
233 | ||
234 | #define mMin(a, b) (((a) < (b)) ? (a) : (b)) | |
235 | #define mMax(a, b) (((a) < (b)) ? (b) : (a)) | |
236 | ||
237 | void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) | |
238 | { | |
239 | // container visible, draw it: | |
240 | if ((y + m_PosY < view_y2) && (y + m_PosY + m_Height > view_y1)) { | |
241 | ||
242 | if (m_UseBkColour) { | |
243 | wxBrush myb = wxBrush(m_BkColour, wxSOLID); | |
244 | ||
245 | int real_y1 = mMax(y + m_PosY, view_y1); | |
246 | int real_y2 = mMin(y + m_PosY + m_Height - 1, view_y2); | |
247 | ||
248 | dc.SetBrush(myb); | |
249 | dc.SetPen(*wxTRANSPARENT_PEN); | |
250 | dc.DrawRectangle(x + m_PosX, real_y1, m_Width, real_y2 - real_y1 + 1); | |
251 | } | |
252 | ||
253 | if (m_UseBorder) { | |
254 | wxPen mypen1(m_BorderColour1, 1, wxSOLID); | |
255 | wxPen mypen2(m_BorderColour2, 1, wxSOLID); | |
256 | ||
257 | dc.SetPen(mypen1); | |
258 | dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX, y + m_PosY + m_Height - 1); | |
259 | dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY); | |
260 | dc.SetPen(mypen2); | |
261 | dc.DrawLine(x + m_PosX + m_Width - 1, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1); | |
262 | dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1); | |
263 | } | |
264 | ||
265 | if (m_Cells) m_Cells -> Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2); | |
266 | } | |
267 | // container invisible, just proceed font+color changing: | |
268 | else { | |
269 | if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY); | |
270 | } | |
271 | ||
272 | wxHtmlCell::Draw(dc, x, y, view_y1, view_y2); | |
273 | } | |
274 | ||
275 | ||
276 | ||
277 | void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y) | |
278 | { | |
279 | if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY); | |
280 | wxHtmlCell::DrawInvisible(dc, x, y); | |
281 | } | |
282 | ||
283 | ||
284 | ||
285 | wxString wxHtmlContainerCell::GetLink(int x, int y) const | |
286 | { | |
287 | wxHtmlCell *c = m_Cells; | |
288 | int cx, cy, cw, ch; | |
289 | ||
290 | while (c) { | |
291 | cx = c -> GetPosX(), cy = c -> GetPosY(); | |
292 | cw = c -> GetWidth(), ch = c -> GetHeight(); | |
293 | if ((x >= cx) && (x < cx + cw) && (y >= cy) && (y < cy + ch)) | |
294 | return c -> GetLink(x - cx, y - cy); | |
295 | c = c -> GetNext(); | |
296 | } | |
297 | return wxEmptyString; | |
298 | } | |
299 | ||
300 | ||
301 | ||
302 | void wxHtmlContainerCell::InsertCell(wxHtmlCell *f) | |
303 | { | |
304 | if (!m_Cells) m_Cells = m_LastCell = f; | |
305 | else { | |
306 | m_LastCell -> SetNext(f); | |
307 | m_LastCell = f; | |
308 | if (m_LastCell) while (m_LastCell -> GetNext()) m_LastCell = m_LastCell -> GetNext(); | |
309 | } | |
310 | f -> SetParent(this); | |
311 | } | |
312 | ||
313 | ||
314 | ||
315 | void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag) | |
316 | { | |
317 | if (tag.HasParam("ALIGN")) { | |
318 | wxString alg = tag.GetParam("ALIGN"); | |
319 | alg.MakeUpper(); | |
320 | if (alg == "CENTER") | |
321 | SetAlignHor(HTML_ALIGN_CENTER); | |
322 | else if (alg == "LEFT") | |
323 | SetAlignHor(HTML_ALIGN_LEFT); | |
324 | else if (alg == "RIGHT") | |
325 | SetAlignHor(HTML_ALIGN_RIGHT); | |
326 | } | |
327 | } | |
328 | ||
329 | ||
330 | ||
331 | void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag) | |
332 | { | |
333 | if (tag.HasParam("WIDTH")) { | |
334 | int wdi; | |
335 | wxString wd = tag.GetParam("WIDTH"); | |
336 | ||
337 | if (wd[wd.Length()-1] == '%') { | |
338 | sscanf(wd.c_str(), "%i%%", &wdi); | |
339 | SetWidthFloat(wdi, HTML_UNITS_PERCENT); | |
340 | } | |
341 | else { | |
342 | sscanf(wd.c_str(), "%i", &wdi); | |
343 | SetWidthFloat(wdi, HTML_UNITS_PIXELS); | |
344 | } | |
345 | } | |
346 | } | |
347 | ||
348 | ||
349 | ||
350 | const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const | |
351 | { | |
352 | const wxHtmlCell *r = NULL; | |
353 | ||
354 | if (m_Cells) { | |
355 | r = m_Cells -> Find(condition, param); | |
356 | if (r) return r; | |
357 | } | |
358 | ||
359 | return wxHtmlCell::Find(condition, param); | |
360 | } | |
361 | ||
362 | ||
363 | ||
364 | void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, bool left, bool middle, bool right) | |
365 | { | |
366 | if (m_Cells) { | |
367 | wxHtmlCell *c = m_Cells; | |
368 | while (c) { | |
369 | if ( (c -> GetPosX() <= x) && | |
370 | (c -> GetPosY() <= y) && | |
371 | (c -> GetPosX() + c -> GetWidth() > x) && | |
372 | (c -> GetPosY() + c -> GetHeight() > y)) { | |
373 | c -> OnMouseClick(parent, x - c -> GetPosX(), y - c -> GetPosY(), left, middle, right); | |
374 | break; | |
375 | } | |
376 | c = c -> GetNext(); | |
377 | } | |
378 | } | |
379 | } | |
380 | ||
381 | ||
382 | ||
383 | ||
384 | ||
385 | //-------------------------------------------------------------------------------- | |
386 | // wxHtmlColourCell | |
387 | //-------------------------------------------------------------------------------- | |
388 | ||
389 | void wxHtmlColourCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) | |
390 | { | |
391 | if (m_Flags & HTML_CLR_FOREGROUND) | |
392 | dc.SetTextForeground(m_Colour); | |
393 | if (m_Flags & HTML_CLR_BACKGROUND) { | |
394 | dc.SetBackground(wxBrush(m_Colour, wxSOLID)); | |
395 | dc.SetTextBackground(m_Colour); | |
396 | } | |
397 | wxHtmlCell::Draw(dc, x, y, view_y1, view_y2); | |
398 | } | |
399 | ||
400 | void wxHtmlColourCell::DrawInvisible(wxDC& dc, int x, int y) | |
401 | { | |
402 | if (m_Flags & HTML_CLR_FOREGROUND) | |
403 | dc.SetTextForeground(m_Colour); | |
404 | if (m_Flags & HTML_CLR_BACKGROUND) { | |
405 | dc.SetBackground(wxBrush(m_Colour, wxSOLID)); | |
406 | dc.SetTextBackground(m_Colour); | |
407 | } | |
408 | wxHtmlCell::DrawInvisible(dc, x, y); | |
409 | } | |
410 | ||
411 | ||
412 | ||
413 | ||
414 | //-------------------------------------------------------------------------------- | |
415 | // wxHtmlFontCell | |
416 | //-------------------------------------------------------------------------------- | |
417 | ||
418 | void wxHtmlFontCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) | |
419 | { | |
420 | dc.SetFont(*m_Font); | |
421 | wxHtmlCell::Draw(dc, x, y, view_y1, view_y2); | |
422 | } | |
423 | ||
424 | void wxHtmlFontCell::DrawInvisible(wxDC& dc, int x, int y) | |
425 | { | |
426 | dc.SetFont(*m_Font); | |
427 | wxHtmlCell::DrawInvisible(dc, x, y); | |
428 | } | |
429 | ||
430 | ||
431 | ||
432 | ||
433 | ||
434 | ||
435 | ||
436 | ||
437 | //-------------------------------------------------------------------------------- | |
438 | // wxHtmlWidgetCell | |
439 | //-------------------------------------------------------------------------------- | |
440 | ||
441 | wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w) | |
442 | { | |
443 | int sx, sy; | |
444 | m_Wnd = wnd; | |
445 | m_Wnd -> GetSize(&sx, &sy); | |
446 | m_Width = sx, m_Height = sy; | |
447 | m_WidthFloat = w; | |
448 | } | |
449 | ||
450 | ||
451 | void wxHtmlWidgetCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) | |
452 | { | |
453 | int absx = 0, absy = 0, stx, sty; | |
454 | wxHtmlCell *c = this; | |
455 | ||
456 | while (c) { | |
457 | absx += c -> GetPosX(); | |
458 | absy += c -> GetPosY(); | |
459 | c = c -> GetParent(); | |
460 | } | |
461 | ||
462 | ((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty); | |
463 | ||
464 | m_Wnd -> SetSize(absx - HTML_SCROLL_STEP * stx, absy - HTML_SCROLL_STEP * sty, m_Width, m_Height); | |
465 | // m_Wnd -> Refresh(); | |
466 | ||
467 | wxHtmlCell::Draw(dc, x, y, view_y1, view_y2); | |
468 | } | |
469 | ||
470 | ||
471 | ||
472 | void wxHtmlWidgetCell::DrawInvisible(wxDC& dc, int x, int y) | |
473 | { | |
474 | int absx = 0, absy = 0, stx, sty; | |
475 | wxHtmlCell *c = this; | |
476 | ||
477 | while (c) { | |
478 | absx += c -> GetPosX(); | |
479 | absy += c -> GetPosY(); | |
480 | c = c -> GetParent(); | |
481 | } | |
482 | ((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty); | |
483 | ||
484 | m_Wnd -> SetSize(absx - HTML_SCROLL_STEP * stx, absy - HTML_SCROLL_STEP * sty, m_Width, m_Height); | |
485 | wxHtmlCell::DrawInvisible(dc, x, y); | |
486 | } | |
487 | ||
488 | ||
489 | ||
490 | void wxHtmlWidgetCell::Layout(int w) | |
491 | { | |
492 | if (m_WidthFloat != 0) { | |
493 | m_Width = (w * m_WidthFloat) / 100; | |
494 | m_Wnd -> SetSize(m_Width, m_Height); | |
495 | } | |
496 | ||
497 | wxHtmlCell::Layout(w); | |
498 | } | |
499 | ||
500 | #endif |