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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 "xfa/fwl/basewidget/fwl_tooltipctrlimp.h" | |
8 | |
9 #include "xfa/fde/tto/fde_textout.h" | |
10 #include "xfa/fwl/basewidget/ifwl_tooltip.h" | |
11 #include "xfa/fwl/core/cfwl_themebackground.h" | |
12 #include "xfa/fwl/core/cfwl_themepart.h" | |
13 #include "xfa/fwl/core/cfwl_themetext.h" | |
14 #include "xfa/fwl/core/fwl_formimp.h" | |
15 #include "xfa/fwl/core/fwl_noteimp.h" | |
16 #include "xfa/fwl/core/fwl_widgetimp.h" | |
17 #include "xfa/fwl/core/ifwl_themeprovider.h" | |
18 #include "xfa/fwl/theme/cfwl_widgettp.h" | |
19 | |
20 // static | |
21 IFWL_ToolTip* IFWL_ToolTip::Create(const CFWL_WidgetImpProperties& properties, | |
22 IFWL_Widget* pOuter) { | |
23 IFWL_ToolTip* pToolTip = new IFWL_ToolTip; | |
24 CFWL_ToolTipImp* pToolTipImpl = new CFWL_ToolTipImp(properties, pOuter); | |
25 pToolTip->SetImpl(pToolTipImpl); | |
26 pToolTipImpl->SetInterface(pToolTip); | |
27 return pToolTip; | |
28 } | |
29 | |
30 void IFWL_ToolTip::SetAnchor(const CFX_RectF& rtAnchor) { | |
31 static_cast<CFWL_ToolTipImp*>(GetImpl())->SetAnchor(rtAnchor); | |
32 } | |
33 | |
34 void IFWL_ToolTip::Show() { | |
35 static_cast<CFWL_ToolTipImp*>(GetImpl())->Show(); | |
36 } | |
37 | |
38 void IFWL_ToolTip::Hide() { | |
39 static_cast<CFWL_ToolTipImp*>(GetImpl())->Hide(); | |
40 } | |
41 | |
42 IFWL_ToolTip::IFWL_ToolTip() {} | |
43 | |
44 CFWL_ToolTipImp::CFWL_ToolTipImp(const CFWL_WidgetImpProperties& properties, | |
45 IFWL_Widget* pOuter) | |
46 : CFWL_FormImp(properties, pOuter), | |
47 m_bBtnDown(FALSE), | |
48 m_dwTTOStyles(FDE_TTOSTYLE_SingleLine), | |
49 m_iTTOAlign(FDE_TTOALIGNMENT_Center), | |
50 m_pTimerInfoShow(nullptr), | |
51 m_pTimerInfoHide(nullptr) { | |
52 m_rtClient.Set(0, 0, 0, 0); | |
53 m_rtCaption.Set(0, 0, 0, 0); | |
54 m_rtAnchor.Set(0, 0, 0, 0); | |
55 m_TimerShow.m_pToolTip = this; | |
56 m_TimerHide.m_pToolTip = this; | |
57 } | |
58 | |
59 CFWL_ToolTipImp::~CFWL_ToolTipImp() {} | |
60 | |
61 FWL_Error CFWL_ToolTipImp::GetClassName(CFX_WideString& wsClass) const { | |
62 wsClass = FWL_CLASS_ToolTip; | |
63 return FWL_Error::Succeeded; | |
64 } | |
65 | |
66 FWL_Type CFWL_ToolTipImp::GetClassID() const { | |
67 return FWL_Type::ToolTip; | |
68 } | |
69 | |
70 FWL_Error CFWL_ToolTipImp::Initialize() { | |
71 m_pProperties->m_dwStyles |= FWL_WGTSTYLE_Popup; | |
72 m_pProperties->m_dwStyles &= ~FWL_WGTSTYLE_Child; | |
73 if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded) | |
74 return FWL_Error::Indefinite; | |
75 | |
76 m_pDelegate = new CFWL_ToolTipImpDelegate(this); | |
77 return FWL_Error::Succeeded; | |
78 } | |
79 | |
80 FWL_Error CFWL_ToolTipImp::Finalize() { | |
81 delete m_pDelegate; | |
82 m_pDelegate = nullptr; | |
83 return CFWL_WidgetImp::Finalize(); | |
84 } | |
85 FWL_Error CFWL_ToolTipImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) { | |
86 if (bAutoSize) { | |
87 rect.Set(0, 0, 0, 0); | |
88 if (!m_pProperties->m_pThemeProvider) { | |
89 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
90 } | |
91 CFX_WideString wsCaption; | |
92 IFWL_ToolTipDP* pData = | |
93 static_cast<IFWL_ToolTipDP*>(m_pProperties->m_pDataProvider); | |
94 if (pData) { | |
95 pData->GetCaption(m_pInterface, wsCaption); | |
96 } | |
97 int32_t iLen = wsCaption.GetLength(); | |
98 if (iLen > 0) { | |
99 CFX_SizeF sz = CalcTextSize(wsCaption, m_pProperties->m_pThemeProvider); | |
100 rect.Set(0, 0, sz.x, sz.y); | |
101 rect.width += 25; | |
102 rect.height += 16; | |
103 } | |
104 CFWL_WidgetImp::GetWidgetRect(rect, TRUE); | |
105 } else { | |
106 rect = m_pProperties->m_rtWidget; | |
107 } | |
108 return FWL_Error::Succeeded; | |
109 } | |
110 FWL_Error CFWL_ToolTipImp::Update() { | |
111 if (IsLocked()) { | |
112 return FWL_Error::Indefinite; | |
113 } | |
114 if (!m_pProperties->m_pThemeProvider) { | |
115 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
116 } | |
117 UpdateTextOutStyles(); | |
118 GetClientRect(m_rtClient); | |
119 m_rtCaption = m_rtClient; | |
120 return FWL_Error::Succeeded; | |
121 } | |
122 FWL_Error CFWL_ToolTipImp::GetClientRect(CFX_RectF& rect) { | |
123 FX_FLOAT x = 0; | |
124 FX_FLOAT y = 0; | |
125 FX_FLOAT t = 0; | |
126 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
127 if (pTheme) { | |
128 CFWL_ThemePart part; | |
129 part.m_pWidget = m_pInterface; | |
130 x = *static_cast<FX_FLOAT*>( | |
131 pTheme->GetCapacity(&part, CFWL_WidgetCapacity::CXBorder)); | |
132 y = *static_cast<FX_FLOAT*>( | |
133 pTheme->GetCapacity(&part, CFWL_WidgetCapacity::CYBorder)); | |
134 } | |
135 rect = m_pProperties->m_rtWidget; | |
136 rect.Offset(-rect.left, -rect.top); | |
137 rect.Deflate(x, t, x, y); | |
138 return FWL_Error::Succeeded; | |
139 } | |
140 | |
141 FWL_Error CFWL_ToolTipImp::DrawWidget(CFX_Graphics* pGraphics, | |
142 const CFX_Matrix* pMatrix) { | |
143 if (!pGraphics || !m_pProperties->m_pThemeProvider) | |
144 return FWL_Error::Indefinite; | |
145 | |
146 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
147 DrawBkground(pGraphics, pTheme, pMatrix); | |
148 DrawText(pGraphics, pTheme, pMatrix); | |
149 return FWL_Error::Succeeded; | |
150 } | |
151 | |
152 void CFWL_ToolTipImp::DrawBkground(CFX_Graphics* pGraphics, | |
153 IFWL_ThemeProvider* pTheme, | |
154 const CFX_Matrix* pMatrix) { | |
155 CFWL_ThemeBackground param; | |
156 param.m_pWidget = m_pInterface; | |
157 param.m_iPart = CFWL_Part::Background; | |
158 param.m_dwStates = m_pProperties->m_dwStates; | |
159 param.m_pGraphics = pGraphics; | |
160 if (pMatrix) { | |
161 param.m_matrix.Concat(*pMatrix); | |
162 } | |
163 param.m_rtPart = m_rtClient; | |
164 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) { | |
165 param.m_pData = &m_rtCaption; | |
166 } | |
167 pTheme->DrawBackground(¶m); | |
168 } | |
169 void CFWL_ToolTipImp::DrawText(CFX_Graphics* pGraphics, | |
170 IFWL_ThemeProvider* pTheme, | |
171 const CFX_Matrix* pMatrix) { | |
172 if (!m_pProperties->m_pDataProvider) | |
173 return; | |
174 CFX_WideString wsCaption; | |
175 m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption); | |
176 if (wsCaption.IsEmpty()) { | |
177 return; | |
178 } | |
179 CFWL_ThemeText param; | |
180 param.m_pWidget = m_pInterface; | |
181 param.m_iPart = CFWL_Part::Caption; | |
182 param.m_dwStates = m_pProperties->m_dwStates; | |
183 param.m_pGraphics = pGraphics; | |
184 if (pMatrix) { | |
185 param.m_matrix.Concat(*pMatrix); | |
186 } | |
187 param.m_rtPart = m_rtCaption; | |
188 param.m_wsText = wsCaption; | |
189 param.m_dwTTOStyles = m_dwTTOStyles; | |
190 param.m_iTTOAlign = m_iTTOAlign; | |
191 pTheme->DrawText(¶m); | |
192 } | |
193 void CFWL_ToolTipImp::UpdateTextOutStyles() { | |
194 m_iTTOAlign = FDE_TTOALIGNMENT_Center; | |
195 m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; | |
196 if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) { | |
197 m_dwTTOStyles |= FDE_TTOSTYLE_RTL; | |
198 } | |
199 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_TTP_Multiline) { | |
200 m_dwTTOStyles &= ~FDE_TTOSTYLE_SingleLine; | |
201 } | |
202 } | |
203 | |
204 void CFWL_ToolTipImp::SetAnchor(const CFX_RectF& rtAnchor) { | |
205 m_rtAnchor = rtAnchor; | |
206 } | |
207 | |
208 void CFWL_ToolTipImp::Show() { | |
209 IFWL_ToolTipDP* pData = | |
210 static_cast<IFWL_ToolTipDP*>(m_pProperties->m_pDataProvider); | |
211 int32_t nInitDelay = pData->GetInitialDelay(m_pInterface); | |
212 if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible)) | |
213 m_pTimerInfoShow = m_TimerShow.StartTimer(nInitDelay, false); | |
214 } | |
215 | |
216 void CFWL_ToolTipImp::Hide() { | |
217 SetStates(FWL_WGTSTATE_Invisible, TRUE); | |
218 if (m_pTimerInfoHide) { | |
219 m_pTimerInfoHide->StopTimer(); | |
220 m_pTimerInfoHide = nullptr; | |
221 } | |
222 if (m_pTimerInfoShow) { | |
223 m_pTimerInfoShow->StopTimer(); | |
224 m_pTimerInfoShow = nullptr; | |
225 } | |
226 } | |
227 | |
228 void CFWL_ToolTipImp::SetStates(uint32_t dwStates, FX_BOOL bSet) { | |
229 if ((dwStates & FWL_WGTSTATE_Invisible) && !bSet) { | |
230 IFWL_ToolTipDP* pData = | |
231 static_cast<IFWL_ToolTipDP*>(m_pProperties->m_pDataProvider); | |
232 int32_t nAutoPopDelay = pData->GetAutoPopDelay(m_pInterface); | |
233 m_pTimerInfoHide = m_TimerHide.StartTimer(nAutoPopDelay, false); | |
234 } | |
235 CFWL_WidgetImp::SetStates(dwStates, bSet); | |
236 } | |
237 | |
238 void CFWL_ToolTipImp::RefreshToolTipPos() { | |
239 if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_TTP_NoAnchor) == 0) { | |
240 CFX_RectF rtPopup; | |
241 CFX_RectF rtWidget(m_pProperties->m_rtWidget); | |
242 CFX_RectF rtAnchor(m_rtAnchor); | |
243 rtPopup.Set(0, 0, 0, 0); | |
244 FX_FLOAT fx = rtAnchor.Center().x + 20; | |
245 FX_FLOAT fy = rtAnchor.Center().y + 20; | |
246 rtPopup.Set(fx, fy, rtWidget.Width(), rtWidget.Height()); | |
247 FX_FLOAT fScreenWidth = 0; | |
248 FX_FLOAT fScreenHeight = 0; | |
249 GetScreenSize(fScreenWidth, fScreenHeight); | |
250 if (rtPopup.bottom() > fScreenHeight) { | |
251 rtPopup.Offset(0, fScreenHeight - rtPopup.bottom()); | |
252 } | |
253 if (rtPopup.right() > fScreenWidth) { | |
254 rtPopup.Offset(fScreenWidth - rtPopup.right(), 0); | |
255 } | |
256 if (rtPopup.left < 0) { | |
257 rtPopup.Offset(0 - rtPopup.left, 0); | |
258 } | |
259 if (rtPopup.top < 0) { | |
260 rtPopup.Offset(0, 0 - rtPopup.top); | |
261 } | |
262 SetWidgetRect(rtPopup); | |
263 Update(); | |
264 } | |
265 } | |
266 CFWL_ToolTipImp::CFWL_ToolTipTimer::CFWL_ToolTipTimer(CFWL_ToolTipImp* pToolTip) | |
267 : m_pToolTip(pToolTip) {} | |
268 | |
269 void CFWL_ToolTipImp::CFWL_ToolTipTimer::Run(IFWL_TimerInfo* pTimerInfo) { | |
270 if (m_pToolTip->m_pTimerInfoShow == pTimerInfo && | |
271 m_pToolTip->m_pTimerInfoShow) { | |
272 if (m_pToolTip->GetStates() & FWL_WGTSTATE_Invisible) { | |
273 m_pToolTip->SetStates(FWL_WGTSTATE_Invisible, FALSE); | |
274 m_pToolTip->RefreshToolTipPos(); | |
275 m_pToolTip->m_pTimerInfoShow->StopTimer(); | |
276 m_pToolTip->m_pTimerInfoShow = nullptr; | |
277 return; | |
278 } | |
279 } | |
280 if (m_pToolTip->m_pTimerInfoHide == pTimerInfo && | |
281 m_pToolTip->m_pTimerInfoHide) { | |
282 m_pToolTip->SetStates(FWL_WGTSTATE_Invisible, TRUE); | |
283 m_pToolTip->m_pTimerInfoHide->StopTimer(); | |
284 m_pToolTip->m_pTimerInfoHide = nullptr; | |
285 } | |
286 } | |
287 | |
288 CFWL_ToolTipImpDelegate::CFWL_ToolTipImpDelegate(CFWL_ToolTipImp* pOwner) | |
289 : m_pOwner(pOwner) {} | |
290 | |
291 void CFWL_ToolTipImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { | |
292 CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); | |
293 } | |
294 | |
295 void CFWL_ToolTipImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {} | |
296 | |
297 void CFWL_ToolTipImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, | |
298 const CFX_Matrix* pMatrix) { | |
299 m_pOwner->DrawWidget(pGraphics, pMatrix); | |
300 } | |
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