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 #ifndef FPDFSDK_PDFWINDOW_PWL_WND_H_ 8 #define FPDFSDK_PDFWINDOW_PWL_WND_H_ 9 10 #include <memory> 11 #include <vector> 12 13 #include "core/fpdfdoc/cpdf_formcontrol.h" 14 #include "core/fxcrt/cfx_observable.h" 15 #include "core/fxcrt/fx_basic.h" 16 #include "fpdfsdk/cfx_systemhandler.h" 17 #include "fpdfsdk/cpdfsdk_widget.h" 18 #include "fpdfsdk/pdfwindow/cpwl_color.h" 19 20 class CPWL_MsgControl; 21 class CPWL_ScrollBar; 22 class CPWL_Timer; 23 class CPWL_TimerHandler; 24 class CPWL_Wnd; 25 class CFX_SystemHandler; 26 class IPVT_FontMap; 27 class IPWL_Provider; 28 29 // window styles 30 #define PWS_CHILD 0x80000000L 31 #define PWS_BORDER 0x40000000L 32 #define PWS_BACKGROUND 0x20000000L 33 #define PWS_HSCROLL 0x10000000L 34 #define PWS_VSCROLL 0x08000000L 35 #define PWS_VISIBLE 0x04000000L 36 #define PWS_DISABLE 0x02000000L 37 #define PWS_READONLY 0x01000000L 38 #define PWS_AUTOFONTSIZE 0x00800000L 39 #define PWS_AUTOTRANSPARENT 0x00400000L 40 #define PWS_NOREFRESHCLIP 0x00200000L 41 42 // edit and label styles 43 #define PES_MULTILINE 0x0001L 44 #define PES_PASSWORD 0x0002L 45 #define PES_LEFT 0x0004L 46 #define PES_RIGHT 0x0008L 47 #define PES_MIDDLE 0x0010L 48 #define PES_TOP 0x0020L 49 #define PES_BOTTOM 0x0040L 50 #define PES_CENTER 0x0080L 51 #define PES_CHARARRAY 0x0100L 52 #define PES_AUTOSCROLL 0x0200L 53 #define PES_AUTORETURN 0x0400L 54 #define PES_UNDO 0x0800L 55 #define PES_RICH 0x1000L 56 #define PES_SPELLCHECK 0x2000L 57 #define PES_TEXTOVERFLOW 0x4000L 58 #define PES_NOREAD 0x8000L 59 60 // listbox styles 61 #define PLBS_MULTIPLESEL 0x0001L 62 #define PLBS_HOVERSEL 0x0008L 63 64 // combobox styles 65 #define PCBS_ALLOWCUSTOMTEXT 0x0001L 66 67 // richedit styles 68 #define PRES_MULTILINE 0x0001L 69 #define PRES_AUTORETURN 0x0002L 70 #define PRES_AUTOSCROLL 0x0004L 71 #define PRES_UNDO 0x0100L 72 #define PRES_MULTIPAGES 0x0200L 73 #define PRES_TEXTOVERFLOW 0x0400L 74 75 // notification messages 76 #define PNM_ADDCHILD 0x00000000L 77 #define PNM_REMOVECHILD 0x00000001L 78 #define PNM_SETSCROLLINFO 0x00000002L 79 #define PNM_SETSCROLLPOS 0x00000003L 80 #define PNM_SCROLLWINDOW 0x00000004L 81 #define PNM_LBUTTONDOWN 0x00000005L 82 #define PNM_LBUTTONUP 0x00000006L 83 #define PNM_MOUSEMOVE 0x00000007L 84 #define PNM_NOTERESET 0x00000008L 85 #define PNM_SETCARETINFO 0x00000009L 86 #define PNM_SELCHANGED 0x0000000AL 87 #define PNM_NOTEEDITCHANGED 0x0000000BL 88 89 #define PWL_CLASSNAME_EDIT "CPWL_Edit" 90 91 struct CPWL_Dash { 92 CPWL_Dash() : nDash(0), nGap(0), nPhase(0) {} 93 CPWL_Dash(int32_t dash, int32_t gap, int32_t phase) 94 : nDash(dash), nGap(gap), nPhase(phase) {} 95 96 void Reset() { 97 nDash = 0; 98 nGap = 0; 99 nPhase = 0; 100 } 101 102 int32_t nDash; 103 int32_t nGap; 104 int32_t nPhase; 105 }; 106 107 inline bool operator==(const CPWL_Color& c1, const CPWL_Color& c2) { 108 return c1.nColorType == c2.nColorType && c1.fColor1 - c2.fColor1 < 0.0001 && 109 c1.fColor1 - c2.fColor1 > -0.0001 && 110 c1.fColor2 - c2.fColor2 < 0.0001 && 111 c1.fColor2 - c2.fColor2 > -0.0001 && 112 c1.fColor3 - c2.fColor3 < 0.0001 && 113 c1.fColor3 - c2.fColor3 > -0.0001 && 114 c1.fColor4 - c2.fColor4 < 0.0001 && c1.fColor4 - c2.fColor4 > -0.0001; 115 } 116 117 inline bool operator!=(const CPWL_Color& c1, const CPWL_Color& c2) { 118 return !(c1 == c2); 119 } 120 121 #define PWL_SCROLLBAR_WIDTH 12.0f 122 #define PWL_SCROLLBAR_BUTTON_WIDTH 9.0f 123 #define PWL_SCROLLBAR_POSBUTTON_MINWIDTH 2.0f 124 #define PWL_SCROLLBAR_TRANSPARENCY 150 125 #define PWL_SCROLLBAR_BKCOLOR \ 126 CPWL_Color(COLORTYPE_RGB, 220.0f / 255.0f, 220.0f / 255.0f, 220.0f / 255.0f) 127 #define PWL_DEFAULT_SELTEXTCOLOR CPWL_Color(COLORTYPE_RGB, 1, 1, 1) 128 #define PWL_DEFAULT_SELBACKCOLOR \ 129 CPWL_Color(COLORTYPE_RGB, 0, 51.0f / 255.0f, 113.0f / 255.0f) 130 #define PWL_DEFAULT_BACKCOLOR PWL_DEFAULT_SELTEXTCOLOR 131 #define PWL_DEFAULT_TEXTCOLOR CPWL_Color(COLORTYPE_RGB, 0, 0, 0) 132 #define PWL_DEFAULT_FONTSIZE 9.0f 133 #define PWL_DEFAULT_BLACKCOLOR CPWL_Color(COLORTYPE_GRAY, 0) 134 #define PWL_DEFAULT_WHITECOLOR CPWL_Color(COLORTYPE_GRAY, 1) 135 #define PWL_DEFAULT_HEAVYGRAYCOLOR CPWL_Color(COLORTYPE_GRAY, 0.50) 136 #define PWL_DEFAULT_LIGHTGRAYCOLOR CPWL_Color(COLORTYPE_GRAY, 0.75) 137 #define PWL_TRIANGLE_HALFLEN 2.0f 138 #define PWL_CBBUTTON_TRIANGLE_HALFLEN 3.0f 139 #define PWL_INVALIDATE_INFLATE 2 140 141 class IPWL_Provider : public CFX_Observable<IPWL_Provider> { 142 public: 143 virtual ~IPWL_Provider() {} 144 145 // get a matrix which map user space to CWnd client space 146 virtual CFX_Matrix GetWindowMatrix(void* pAttachedData) = 0; 147 148 /* 149 0 L"&Undo\tCtrl+Z" 150 1 L"&Redo\tCtrl+Shift+Z" 151 2 L"Cu&t\tCtrl+X" 152 3 L"&Copy\tCtrl+C" 153 4 L"&Paste\tCtrl+V" 154 5 L"&Delete" 155 6 L"&Select All\tCtrl+A" 156 */ 157 virtual CFX_WideString LoadPopupMenuString(int32_t nIndex) = 0; 158 }; 159 160 class IPWL_FocusHandler { 161 public: 162 virtual ~IPWL_FocusHandler() {} 163 virtual void OnSetFocus(CPWL_Wnd* pWnd) = 0; 164 }; 165 166 struct PWL_CREATEPARAM { 167 public: 168 PWL_CREATEPARAM(); 169 PWL_CREATEPARAM(const PWL_CREATEPARAM& other); 170 171 void Reset() { 172 rcRectWnd.Reset(); 173 pSystemHandler = nullptr; 174 pFontMap = nullptr; 175 pProvider.Reset(); 176 pFocusHandler = nullptr; 177 dwFlags = 0; 178 sBackgroundColor.Reset(); 179 pAttachedWidget.Reset(); 180 nBorderStyle = BorderStyle::SOLID; 181 dwBorderWidth = 0; 182 sBorderColor.Reset(); 183 sTextColor.Reset(); 184 nTransparency = 0; 185 fFontSize = 0.0f; 186 sDash.Reset(); 187 pAttachedData = nullptr; 188 pParentWnd = nullptr; 189 pMsgControl = nullptr; 190 eCursorType = 0; 191 mtChild.SetIdentity(); 192 } 193 194 CFX_FloatRect rcRectWnd; // required 195 CFX_SystemHandler* pSystemHandler; // required 196 IPVT_FontMap* pFontMap; // required 197 IPWL_Provider::ObservedPtr pProvider; // required 198 IPWL_FocusHandler* pFocusHandler; // optional 199 uint32_t dwFlags; // optional 200 CPWL_Color sBackgroundColor; // optional 201 CPDFSDK_Widget::ObservedPtr pAttachedWidget; // required 202 BorderStyle nBorderStyle; // optional 203 int32_t dwBorderWidth; // optional 204 CPWL_Color sBorderColor; // optional 205 CPWL_Color sTextColor; // optional 206 int32_t nTransparency; // optional 207 FX_FLOAT fFontSize; // optional 208 CPWL_Dash sDash; // optional 209 void* pAttachedData; // optional 210 CPWL_Wnd* pParentWnd; // ignore 211 CPWL_MsgControl* pMsgControl; // ignore 212 int32_t eCursorType; // ignore 213 CFX_Matrix mtChild; // ignore 214 }; 215 216 class CPWL_Timer { 217 public: 218 CPWL_Timer(CPWL_TimerHandler* pAttached, CFX_SystemHandler* pSystemHandler); 219 virtual ~CPWL_Timer(); 220 221 int32_t SetPWLTimer(int32_t nElapse); 222 void KillPWLTimer(); 223 static void TimerProc(int32_t idEvent); 224 225 private: 226 int32_t m_nTimerID; 227 CPWL_TimerHandler* m_pAttached; 228 CFX_SystemHandler* m_pSystemHandler; 229 }; 230 231 class CPWL_TimerHandler { 232 public: 233 CPWL_TimerHandler(); 234 virtual ~CPWL_TimerHandler(); 235 236 void BeginTimer(int32_t nElapse); 237 void EndTimer(); 238 virtual void TimerProc(); 239 virtual CFX_SystemHandler* GetSystemHandler() const = 0; 240 241 private: 242 std::unique_ptr<CPWL_Timer> m_pTimer; 243 }; 244 245 class CPWL_Wnd : public CPWL_TimerHandler { 246 public: 247 CPWL_Wnd(); 248 ~CPWL_Wnd() override; 249 250 virtual CFX_ByteString GetClassName() const; 251 virtual void InvalidateRect(CFX_FloatRect* pRect = nullptr); 252 253 virtual bool OnKeyDown(uint16_t nChar, uint32_t nFlag); 254 virtual bool OnChar(uint16_t nChar, uint32_t nFlag); 255 virtual bool OnLButtonDblClk(const CFX_PointF& point, uint32_t nFlag); 256 virtual bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag); 257 virtual bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag); 258 virtual bool OnRButtonDown(const CFX_PointF& point, uint32_t nFlag); 259 virtual bool OnRButtonUp(const CFX_PointF& point, uint32_t nFlag); 260 virtual bool OnMouseMove(const CFX_PointF& point, uint32_t nFlag); 261 virtual bool OnMouseWheel(short zDelta, 262 const CFX_PointF& point, 263 uint32_t nFlag); 264 virtual void OnNotify(CPWL_Wnd* pWnd, 265 uint32_t msg, 266 intptr_t wParam = 0, 267 intptr_t lParam = 0); 268 virtual void SetFocus(); 269 virtual void KillFocus(); 270 virtual void SetCursor(); 271 virtual void SetVisible(bool bVisible); 272 virtual void SetFontSize(FX_FLOAT fFontSize); 273 virtual FX_FLOAT GetFontSize() const; 274 275 virtual CFX_FloatRect GetFocusRect() const; 276 virtual CFX_FloatRect GetClientRect() const; 277 278 void InvalidateFocusHandler(IPWL_FocusHandler* handler); 279 void InvalidateProvider(IPWL_Provider* provider); 280 void Create(const PWL_CREATEPARAM& cp); 281 void Destroy(); 282 void Move(const CFX_FloatRect& rcNew, bool bReset, bool bRefresh); 283 284 void SetCapture(); 285 void ReleaseCapture(); 286 287 void DrawAppearance(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device); 288 289 CPWL_Color GetBackgroundColor() const; 290 void SetBackgroundColor(const CPWL_Color& color); 291 CPWL_Color GetBorderColor() const; 292 CPWL_Color GetTextColor() const; 293 void SetTextColor(const CPWL_Color& color); 294 CPWL_Color GetBorderLeftTopColor(BorderStyle nBorderStyle) const; 295 CPWL_Color GetBorderRightBottomColor(BorderStyle nBorderStyle) const; 296 297 void SetBorderStyle(BorderStyle eBorderStyle); 298 BorderStyle GetBorderStyle() const; 299 const CPWL_Dash& GetBorderDash() const; 300 301 int32_t GetBorderWidth() const; 302 int32_t GetInnerBorderWidth() const; 303 CFX_FloatRect GetWindowRect() const; 304 CFX_PointF GetCenterPoint() const; 305 306 bool IsVisible() const { return m_bVisible; } 307 bool HasFlag(uint32_t dwFlags) const; 308 void AddFlag(uint32_t dwFlags); 309 void RemoveFlag(uint32_t dwFlags); 310 311 void SetClipRect(const CFX_FloatRect& rect); 312 const CFX_FloatRect& GetClipRect() const; 313 314 CPWL_Wnd* GetParentWindow() const; 315 void* GetAttachedData() const; 316 317 bool WndHitTest(const CFX_PointF& point) const; 318 bool ClientHitTest(const CFX_PointF& point) const; 319 bool IsCaptureMouse() const; 320 321 void EnableWindow(bool bEnable); 322 bool IsEnabled() const { return m_bEnabled; } 323 const CPWL_Wnd* GetFocused() const; 324 bool IsFocused() const; 325 bool IsReadOnly() const; 326 CPWL_ScrollBar* GetVScrollBar() const; 327 328 IPVT_FontMap* GetFontMap() const; 329 IPWL_Provider* GetProvider() const; 330 IPWL_FocusHandler* GetFocusHandler() const; 331 332 int32_t GetTransparency(); 333 void SetTransparency(int32_t nTransparency); 334 335 CFX_Matrix GetChildToRoot() const; 336 CFX_Matrix GetChildMatrix() const; 337 void SetChildMatrix(const CFX_Matrix& mt); 338 CFX_Matrix GetWindowMatrix() const; 339 340 protected: 341 friend class CPWL_MsgControl; 342 343 // CPWL_TimerHandler 344 CFX_SystemHandler* GetSystemHandler() const override; 345 346 virtual void CreateChildWnd(const PWL_CREATEPARAM& cp); 347 virtual void RePosChildWnd(); 348 virtual void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream); 349 350 virtual void DrawThisAppearance(CFX_RenderDevice* pDevice, 351 CFX_Matrix* pUser2Device); 352 353 virtual void OnCreate(PWL_CREATEPARAM& cp); 354 virtual void OnCreated(); 355 virtual void OnDestroy(); 356 357 virtual void OnSetFocus(); 358 virtual void OnKillFocus(); 359 360 void GetAppearanceStream(CFX_ByteTextBuf& sAppStream); 361 void SetNotifyFlag(bool bNotifying = true) { m_bNotifying = bNotifying; } 362 363 bool IsValid() const; 364 const PWL_CREATEPARAM& GetCreationParam() const; 365 bool IsNotifying() const { return m_bNotifying; } 366 367 void InvalidateRectMove(const CFX_FloatRect& rcOld, 368 const CFX_FloatRect& rcNew); 369 370 bool IsWndCaptureMouse(const CPWL_Wnd* pWnd) const; 371 bool IsWndCaptureKeyboard(const CPWL_Wnd* pWnd) const; 372 const CPWL_Wnd* GetRootWnd() const; 373 374 bool IsCTRLpressed(uint32_t nFlag) const; 375 bool IsSHIFTpressed(uint32_t nFlag) const; 376 bool IsALTpressed(uint32_t nFlag) const; 377 378 private: 379 CFX_PointF ParentToChild(const CFX_PointF& point) const; 380 CFX_FloatRect ParentToChild(const CFX_FloatRect& rect) const; 381 382 void GetChildAppearanceStream(CFX_ByteTextBuf& sAppStream); 383 void DrawChildAppearance(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device); 384 385 FX_RECT PWLtoWnd(const CFX_FloatRect& rect) const; 386 387 void AddChild(CPWL_Wnd* pWnd); 388 void RemoveChild(CPWL_Wnd* pWnd); 389 390 void CreateScrollBar(const PWL_CREATEPARAM& cp); 391 void CreateVScrollBar(const PWL_CREATEPARAM& cp); 392 393 void AdjustStyle(); 394 void CreateMsgControl(); 395 void DestroyMsgControl(); 396 397 CPWL_MsgControl* GetMsgControl() const; 398 399 std::vector<CPWL_Wnd*> m_Children; 400 PWL_CREATEPARAM m_sPrivateParam; 401 CPWL_ScrollBar* m_pVScrollBar; 402 CFX_FloatRect m_rcWindow; 403 CFX_FloatRect m_rcClip; 404 bool m_bCreated; 405 bool m_bVisible; 406 bool m_bNotifying; 407 bool m_bEnabled; 408 }; 409 410 #endif // FPDFSDK_PDFWINDOW_PWL_WND_H_ 411
