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1 // Copyright 2014 PDFium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
6 | |
7 #include "fpdfsdk/include/pdfwindow/PWL_IconList.h" | |
8 | |
9 #include "fpdfsdk/include/pdfwindow/PWL_Label.h" | |
10 #include "fpdfsdk/include/pdfwindow/PWL_ListCtrl.h" | |
11 #include "fpdfsdk/include/pdfwindow/PWL_ScrollBar.h" | |
12 #include "fpdfsdk/include/pdfwindow/PWL_Utils.h" | |
13 #include "fpdfsdk/include/pdfwindow/PWL_Wnd.h" | |
14 #include "public/fpdf_fwlevent.h" | |
15 | |
16 #define PWL_IconList_ITEM_ICON_LEFTMARGIN 10.0f | |
17 #define PWL_IconList_ITEM_WIDTH 20.0f | |
18 #define PWL_IconList_ITEM_HEIGHT 20.0f | |
19 #define PWL_IconList_ITEM_SPACE 4.0f | |
20 | |
21 CPWL_IconList_Item::CPWL_IconList_Item() | |
22 : m_nIconIndex(-1), m_pData(NULL), m_bSelected(FALSE), m_pText(NULL) {} | |
23 | |
24 CPWL_IconList_Item::~CPWL_IconList_Item() {} | |
25 | |
26 CFX_ByteString CPWL_IconList_Item::GetClassName() const { | |
27 return "CPWL_IconList_Item"; | |
28 } | |
29 | |
30 FX_FLOAT CPWL_IconList_Item::GetItemHeight(FX_FLOAT fLimitWidth) { | |
31 return PWL_IconList_ITEM_HEIGHT; | |
32 } | |
33 | |
34 void CPWL_IconList_Item::DrawThisAppearance(CFX_RenderDevice* pDevice, | |
35 CFX_Matrix* pUser2Device) { | |
36 CFX_FloatRect rcClient = GetClientRect(); | |
37 | |
38 if (m_bSelected) { | |
39 if (IsEnabled()) { | |
40 CPWL_Utils::DrawFillRect( | |
41 pDevice, pUser2Device, rcClient, | |
42 CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_SELBACKCOLOR, | |
43 GetTransparency())); | |
44 } else { | |
45 CPWL_Utils::DrawFillRect( | |
46 pDevice, pUser2Device, rcClient, | |
47 CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_LIGHTGRAYCOLOR, | |
48 GetTransparency())); | |
49 } | |
50 } | |
51 | |
52 CFX_FloatRect rcIcon = rcClient; | |
53 rcIcon.left += PWL_IconList_ITEM_ICON_LEFTMARGIN; | |
54 rcIcon.right = rcIcon.left + PWL_IconList_ITEM_WIDTH; | |
55 | |
56 CPWL_Utils::DrawIconAppStream(pDevice, pUser2Device, m_nIconIndex, rcIcon, | |
57 m_crIcon, m_pText->GetTextColor(), | |
58 GetTransparency()); | |
59 } | |
60 | |
61 void CPWL_IconList_Item::SetSelect(FX_BOOL bSelected) { | |
62 m_bSelected = bSelected; | |
63 | |
64 if (bSelected) | |
65 m_pText->SetTextColor(PWL_DEFAULT_WHITECOLOR); | |
66 else | |
67 m_pText->SetTextColor(PWL_DEFAULT_BLACKCOLOR); | |
68 } | |
69 | |
70 FX_BOOL CPWL_IconList_Item::IsSelected() const { | |
71 return m_bSelected; | |
72 } | |
73 | |
74 void CPWL_IconList_Item::CreateChildWnd(const PWL_CREATEPARAM& cp) { | |
75 m_pText = new CPWL_Label; | |
76 | |
77 PWL_CREATEPARAM lcp = cp; | |
78 lcp.pParentWnd = this; | |
79 lcp.dwFlags = PWS_CHILD | PWS_VISIBLE | PES_LEFT | PES_CENTER; | |
80 lcp.sTextColor = PWL_DEFAULT_BLACKCOLOR; | |
81 lcp.fFontSize = 12; | |
82 m_pText->Create(lcp); | |
83 } | |
84 | |
85 void CPWL_IconList_Item::SetData(void* pData) { | |
86 m_pData = pData; | |
87 } | |
88 | |
89 void CPWL_IconList_Item::SetIcon(int32_t nIconIndex) { | |
90 m_nIconIndex = nIconIndex; | |
91 } | |
92 | |
93 void CPWL_IconList_Item::SetText(const CFX_WideString& str) { | |
94 m_pText->SetText(str.c_str()); | |
95 } | |
96 | |
97 CFX_WideString CPWL_IconList_Item::GetText() const { | |
98 return m_pText->GetText(); | |
99 } | |
100 | |
101 void CPWL_IconList_Item::RePosChildWnd() { | |
102 CFX_FloatRect rcClient = GetClientRect(); | |
103 | |
104 rcClient.left += | |
105 (PWL_IconList_ITEM_ICON_LEFTMARGIN + PWL_IconList_ITEM_WIDTH + | |
106 PWL_IconList_ITEM_ICON_LEFTMARGIN); | |
107 | |
108 m_pText->Move(rcClient, TRUE, FALSE); | |
109 } | |
110 | |
111 void CPWL_IconList_Item::SetIconFillColor(const CPWL_Color& color) { | |
112 m_crIcon = color; | |
113 } | |
114 | |
115 void CPWL_IconList_Item::OnEnabled() { | |
116 if (m_bSelected) | |
117 m_pText->SetTextColor(PWL_DEFAULT_WHITECOLOR); | |
118 else | |
119 m_pText->SetTextColor(PWL_DEFAULT_BLACKCOLOR); | |
120 | |
121 InvalidateRect(); | |
122 } | |
123 | |
124 void CPWL_IconList_Item::OnDisabled() { | |
125 m_pText->SetTextColor(PWL_DEFAULT_HEAVYGRAYCOLOR); | |
126 | |
127 InvalidateRect(); | |
128 } | |
129 | |
130 CPWL_IconList_Content::CPWL_IconList_Content(int32_t nListCount) | |
131 : m_nSelectIndex(-1), | |
132 m_pNotify(NULL), | |
133 m_bEnableNotify(TRUE), | |
134 m_bMouseDown(FALSE), | |
135 m_nListCount(nListCount) {} | |
136 | |
137 CPWL_IconList_Content::~CPWL_IconList_Content() {} | |
138 | |
139 void CPWL_IconList_Content::CreateChildWnd(const PWL_CREATEPARAM& cp) { | |
140 for (int32_t i = 0; i < m_nListCount; i++) { | |
141 CPWL_IconList_Item* pNewItem = new CPWL_IconList_Item(); | |
142 | |
143 PWL_CREATEPARAM icp = cp; | |
144 icp.pParentWnd = this; | |
145 icp.dwFlags = PWS_CHILD | PWS_VISIBLE | PWS_NOREFRESHCLIP; | |
146 pNewItem->Create(icp); | |
147 } | |
148 | |
149 SetItemSpace(PWL_IconList_ITEM_SPACE); | |
150 ResetContent(0); | |
151 | |
152 if (CPWL_Wnd* pParent = GetParentWindow()) { | |
153 CFX_FloatRect rcScroll = GetScrollArea(); | |
154 GetScrollPos(); | |
155 | |
156 PWL_SCROLL_INFO sInfo; | |
157 sInfo.fContentMin = rcScroll.bottom; | |
158 sInfo.fContentMax = rcScroll.top; | |
159 sInfo.fPlateWidth = GetClientRect().Height(); | |
160 sInfo.fSmallStep = 13.0f; | |
161 sInfo.fBigStep = sInfo.fPlateWidth; | |
162 | |
163 pParent->OnNotify(this, PNM_SETSCROLLINFO, SBT_VSCROLL, (intptr_t)&sInfo); | |
164 } | |
165 } | |
166 | |
167 FX_BOOL CPWL_IconList_Content::OnLButtonDown(const CFX_FloatPoint& point, | |
168 FX_DWORD nFlag) { | |
169 SetFocus(); | |
170 | |
171 SetCapture(); | |
172 m_bMouseDown = TRUE; | |
173 | |
174 int32_t nItemIndex = FindItemIndex(point); | |
175 SetSelect(nItemIndex); | |
176 ScrollToItem(nItemIndex); | |
177 | |
178 return TRUE; | |
179 } | |
180 | |
181 FX_BOOL CPWL_IconList_Content::OnLButtonUp(const CFX_FloatPoint& point, | |
182 FX_DWORD nFlag) { | |
183 m_bMouseDown = FALSE; | |
184 ReleaseCapture(); | |
185 | |
186 return TRUE; | |
187 } | |
188 | |
189 FX_BOOL CPWL_IconList_Content::OnMouseMove(const CFX_FloatPoint& point, | |
190 FX_DWORD nFlag) { | |
191 if (m_bMouseDown) { | |
192 int32_t nItemIndex = FindItemIndex(point); | |
193 SetSelect(nItemIndex); | |
194 ScrollToItem(nItemIndex); | |
195 } | |
196 | |
197 return TRUE; | |
198 } | |
199 | |
200 FX_BOOL CPWL_IconList_Content::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) { | |
201 switch (nChar) { | |
202 case FWL_VKEY_Up: | |
203 if (m_nSelectIndex > 0) { | |
204 int32_t nItemIndex = m_nSelectIndex - 1; | |
205 SetSelect(nItemIndex); | |
206 ScrollToItem(nItemIndex); | |
207 } | |
208 return TRUE; | |
209 case FWL_VKEY_Down: | |
210 if (m_nSelectIndex < m_nListCount - 1) { | |
211 int32_t nItemIndex = m_nSelectIndex + 1; | |
212 SetSelect(nItemIndex); | |
213 ScrollToItem(nItemIndex); | |
214 } | |
215 return TRUE; | |
216 } | |
217 | |
218 return FALSE; | |
219 } | |
220 | |
221 int32_t CPWL_IconList_Content::FindItemIndex(const CFX_FloatPoint& point) { | |
222 int32_t nIndex = 0; | |
223 for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) { | |
224 if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) { | |
225 CFX_FloatRect rcWnd = pChild->ChildToParent(pChild->GetWindowRect()); | |
226 | |
227 if (point.y < rcWnd.top) { | |
228 nIndex = i; | |
229 } | |
230 } | |
231 } | |
232 | |
233 return nIndex; | |
234 } | |
235 | |
236 void CPWL_IconList_Content::ScrollToItem(int32_t nItemIndex) { | |
237 CFX_FloatRect rcClient = GetClientRect(); | |
238 | |
239 if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex)) { | |
240 CFX_FloatRect rcOrigin = pItem->GetWindowRect(); | |
241 CFX_FloatRect rcWnd = pItem->ChildToParent(rcOrigin); | |
242 | |
243 if (!(rcWnd.bottom > rcClient.bottom && rcWnd.top < rcClient.top)) { | |
244 CFX_FloatPoint ptScroll = GetScrollPos(); | |
245 | |
246 if (rcWnd.top > rcClient.top) { | |
247 ptScroll.y = rcOrigin.top; | |
248 } else if (rcWnd.bottom < rcClient.bottom) { | |
249 ptScroll.y = rcOrigin.bottom + rcClient.Height(); | |
250 } | |
251 | |
252 SetScrollPos(ptScroll); | |
253 ResetFace(); | |
254 InvalidateRect(); | |
255 if (CPWL_Wnd* pParent = GetParentWindow()) { | |
256 pParent->OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL, | |
257 (intptr_t)&ptScroll.y); | |
258 } | |
259 } | |
260 } | |
261 } | |
262 | |
263 void CPWL_IconList_Content::SetSelect(int32_t nIndex) { | |
264 if (m_nSelectIndex != nIndex) { | |
265 SelectItem(m_nSelectIndex, FALSE); | |
266 SelectItem(nIndex, TRUE); | |
267 m_nSelectIndex = nIndex; | |
268 | |
269 if (IPWL_IconList_Notify* pNotify = GetNotify()) | |
270 pNotify->OnNoteListSelChanged(nIndex); | |
271 } | |
272 } | |
273 | |
274 int32_t CPWL_IconList_Content::GetSelect() const { | |
275 return m_nSelectIndex; | |
276 } | |
277 | |
278 IPWL_IconList_Notify* CPWL_IconList_Content::GetNotify() const { | |
279 if (m_bEnableNotify) | |
280 return m_pNotify; | |
281 return NULL; | |
282 } | |
283 | |
284 void CPWL_IconList_Content::SetNotify(IPWL_IconList_Notify* pNotify) { | |
285 m_pNotify = pNotify; | |
286 } | |
287 | |
288 void CPWL_IconList_Content::EnableNotify(FX_BOOL bNotify) { | |
289 m_bEnableNotify = bNotify; | |
290 } | |
291 | |
292 void CPWL_IconList_Content::SelectItem(int32_t nItemIndex, FX_BOOL bSelect) { | |
293 if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex)) { | |
294 pItem->SetSelect(bSelect); | |
295 pItem->InvalidateRect(); | |
296 } | |
297 } | |
298 | |
299 CPWL_IconList_Item* CPWL_IconList_Content::GetListItem( | |
300 int32_t nItemIndex) const { | |
301 if (nItemIndex >= 0 && nItemIndex < m_aChildren.GetSize()) { | |
302 if (CPWL_Wnd* pChild = m_aChildren.GetAt(nItemIndex)) { | |
303 if (pChild->GetClassName() == "CPWL_IconList_Item") { | |
304 return (CPWL_IconList_Item*)pChild; | |
305 } | |
306 } | |
307 } | |
308 | |
309 return NULL; | |
310 } | |
311 | |
312 void CPWL_IconList_Content::SetListData(int32_t nItemIndex, void* pData) { | |
313 if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex)) | |
314 pItem->SetData(pData); | |
315 } | |
316 | |
317 void CPWL_IconList_Content::SetListIcon(int32_t nItemIndex, | |
318 int32_t nIconIndex) { | |
319 if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex)) | |
320 pItem->SetIcon(nIconIndex); | |
321 } | |
322 | |
323 void CPWL_IconList_Content::SetListString(int32_t nItemIndex, | |
324 const CFX_WideString& str) { | |
325 if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex)) | |
326 pItem->SetText(str); | |
327 } | |
328 | |
329 CFX_WideString CPWL_IconList_Content::GetListString(int32_t nItemIndex) const { | |
330 if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex)) | |
331 return pItem->GetText(); | |
332 | |
333 return L""; | |
334 } | |
335 | |
336 void CPWL_IconList_Content::SetIconFillColor(const CPWL_Color& color) { | |
337 for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) { | |
338 if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) { | |
339 if (pChild->GetClassName() == "CPWL_IconList_Item") { | |
340 CPWL_IconList_Item* pItem = (CPWL_IconList_Item*)pChild; | |
341 pItem->SetIconFillColor(color); | |
342 pItem->InvalidateRect(); | |
343 } | |
344 } | |
345 } | |
346 } | |
347 | |
348 CPWL_IconList::CPWL_IconList(int32_t nListCount) | |
349 : m_pListContent(NULL), m_nListCount(nListCount) {} | |
350 | |
351 CPWL_IconList::~CPWL_IconList() {} | |
352 | |
353 void CPWL_IconList::RePosChildWnd() { | |
354 CPWL_Wnd::RePosChildWnd(); | |
355 | |
356 if (m_pListContent) | |
357 m_pListContent->Move(GetClientRect(), TRUE, FALSE); | |
358 } | |
359 | |
360 void CPWL_IconList::CreateChildWnd(const PWL_CREATEPARAM& cp) { | |
361 m_pListContent = new CPWL_IconList_Content(m_nListCount); | |
362 | |
363 PWL_CREATEPARAM ccp = cp; | |
364 ccp.pParentWnd = this; | |
365 ccp.dwFlags = PWS_CHILD | PWS_VISIBLE; | |
366 m_pListContent->Create(ccp); | |
367 } | |
368 | |
369 void CPWL_IconList::OnCreated() { | |
370 if (CPWL_ScrollBar* pScrollBar = GetVScrollBar()) { | |
371 pScrollBar->RemoveFlag(PWS_AUTOTRANSPARENT); | |
372 pScrollBar->SetTransparency(255); | |
373 pScrollBar->SetNotifyForever(TRUE); | |
374 } | |
375 } | |
376 | |
377 void CPWL_IconList::OnNotify(CPWL_Wnd* pWnd, | |
378 FX_DWORD msg, | |
379 intptr_t wParam, | |
380 intptr_t lParam) { | |
381 CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam); | |
382 | |
383 if (wParam == SBT_VSCROLL) { | |
384 switch (msg) { | |
385 case PNM_SETSCROLLINFO: | |
386 if (PWL_SCROLL_INFO* pInfo = (PWL_SCROLL_INFO*)lParam) { | |
387 if (CPWL_ScrollBar* pScrollBar = GetVScrollBar()) { | |
388 if (pInfo->fContentMax - pInfo->fContentMin > pInfo->fPlateWidth) { | |
389 if (!pScrollBar->IsVisible()) { | |
390 pScrollBar->SetVisible(TRUE); | |
391 RePosChildWnd(); | |
392 } else { | |
393 } | |
394 } else { | |
395 if (pScrollBar->IsVisible()) { | |
396 pScrollBar->SetVisible(FALSE); | |
397 RePosChildWnd(); | |
398 } | |
399 | |
400 if (m_pListContent) | |
401 m_pListContent->SetScrollPos(CFX_FloatPoint(0.0f, 0.0f)); | |
402 } | |
403 | |
404 pScrollBar->OnNotify(pWnd, PNM_SETSCROLLINFO, wParam, lParam); | |
405 } | |
406 } | |
407 return; | |
408 case PNM_SCROLLWINDOW: | |
409 if (m_pListContent) { | |
410 m_pListContent->SetScrollPos( | |
411 CFX_FloatPoint(0.0f, *(FX_FLOAT*)lParam)); | |
412 m_pListContent->ResetFace(); | |
413 m_pListContent->InvalidateRect(NULL); | |
414 } | |
415 return; | |
416 case PNM_SETSCROLLPOS: | |
417 if (CPWL_ScrollBar* pScrollBar = GetVScrollBar()) | |
418 pScrollBar->OnNotify(pWnd, PNM_SETSCROLLPOS, wParam, lParam); | |
419 return; | |
420 } | |
421 } | |
422 } | |
423 | |
424 void CPWL_IconList::SetSelect(int32_t nIndex) { | |
425 m_pListContent->SetSelect(nIndex); | |
426 } | |
427 | |
428 void CPWL_IconList::SetTopItem(int32_t nIndex) { | |
429 m_pListContent->ScrollToItem(nIndex); | |
430 } | |
431 | |
432 int32_t CPWL_IconList::GetSelect() const { | |
433 return m_pListContent->GetSelect(); | |
434 } | |
435 | |
436 void CPWL_IconList::SetNotify(IPWL_IconList_Notify* pNotify) { | |
437 m_pListContent->SetNotify(pNotify); | |
438 } | |
439 | |
440 void CPWL_IconList::EnableNotify(FX_BOOL bNotify) { | |
441 m_pListContent->EnableNotify(bNotify); | |
442 } | |
443 | |
444 void CPWL_IconList::SetListData(int32_t nItemIndex, void* pData) { | |
445 m_pListContent->SetListData(nItemIndex, pData); | |
446 } | |
447 | |
448 void CPWL_IconList::SetListIcon(int32_t nItemIndex, int32_t nIconIndex) { | |
449 m_pListContent->SetListIcon(nItemIndex, nIconIndex); | |
450 } | |
451 | |
452 void CPWL_IconList::SetListString(int32_t nItemIndex, | |
453 const CFX_WideString& str) { | |
454 m_pListContent->SetListString(nItemIndex, str); | |
455 } | |
456 | |
457 CFX_WideString CPWL_IconList::GetListString(int32_t nItemIndex) const { | |
458 return m_pListContent->GetListString(nItemIndex); | |
459 } | |
460 | |
461 void CPWL_IconList::SetIconFillColor(const CPWL_Color& color) { | |
462 m_pListContent->SetIconFillColor(color); | |
463 } | |
464 | |
465 FX_BOOL CPWL_IconList::OnMouseWheel(short zDelta, | |
466 const CFX_FloatPoint& point, | |
467 FX_DWORD nFlag) { | |
468 CFX_FloatPoint ptScroll = m_pListContent->GetScrollPos(); | |
469 CFX_FloatRect rcScroll = m_pListContent->GetScrollArea(); | |
470 CFX_FloatRect rcContents = m_pListContent->GetClientRect(); | |
471 | |
472 if (rcScroll.top - rcScroll.bottom > rcContents.Height()) { | |
473 CFX_FloatPoint ptNew = ptScroll; | |
474 | |
475 if (zDelta > 0) | |
476 ptNew.y += 30; | |
477 else | |
478 ptNew.y -= 30; | |
479 | |
480 if (ptNew.y > rcScroll.top) | |
481 ptNew.y = rcScroll.top; | |
482 if (ptNew.y < rcScroll.bottom + rcContents.Height()) | |
483 ptNew.y = rcScroll.bottom + rcContents.Height(); | |
484 if (ptNew.y < rcScroll.bottom) | |
485 ptNew.y = rcScroll.bottom; | |
486 | |
487 if (ptNew.y != ptScroll.y) { | |
488 m_pListContent->SetScrollPos(ptNew); | |
489 m_pListContent->ResetFace(); | |
490 m_pListContent->InvalidateRect(NULL); | |
491 | |
492 if (CPWL_ScrollBar* pScrollBar = GetVScrollBar()) | |
493 pScrollBar->OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL, | |
494 (intptr_t)&ptNew.y); | |
495 | |
496 return TRUE; | |
497 } | |
498 } | |
499 | |
500 return FALSE; | |
501 } | |
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