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_PWL_CPWL_WND_H_ 8 #define FPDFSDK_PWL_CPWL_WND_H_ 9 10 #include <memory> 11 #include <vector> 12 13 #include "core/fpdfdoc/cpdf_formcontrol.h" 14 #include "core/fxcrt/observable.h" 15 #include "core/fxcrt/unowned_ptr.h" 16 #include "core/fxge/cfx_color.h" 17 #include "fpdfsdk/cpdfsdk_formfillenvironment.h" 18 #include "fpdfsdk/cpdfsdk_widget.h" 19 #include "fpdfsdk/pwl/cpwl_timer.h" 20 #include "fpdfsdk/pwl/cpwl_timer_handler.h" 21 22 class CPWL_Edit; 23 class CPWL_MsgControl; 24 class CPWL_ScrollBar; 25 class CFX_SystemHandler; 26 class IPVT_FontMap; 27 struct PWL_SCROLL_INFO; 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_READONLY 0x01000000L 37 #define PWS_AUTOFONTSIZE 0x00800000L 38 #define PWS_AUTOTRANSPARENT 0x00400000L 39 #define PWS_NOREFRESHCLIP 0x00200000L 40 41 // edit and label styles 42 #define PES_MULTILINE 0x0001L 43 #define PES_PASSWORD 0x0002L 44 #define PES_LEFT 0x0004L 45 #define PES_RIGHT 0x0008L 46 #define PES_MIDDLE 0x0010L 47 #define PES_TOP 0x0020L 48 #define PES_BOTTOM 0x0040L 49 #define PES_CENTER 0x0080L 50 #define PES_CHARARRAY 0x0100L 51 #define PES_AUTOSCROLL 0x0200L 52 #define PES_AUTORETURN 0x0400L 53 #define PES_UNDO 0x0800L 54 #define PES_RICH 0x1000L 55 #define PES_SPELLCHECK 0x2000L 56 #define PES_TEXTOVERFLOW 0x4000L 57 #define PES_NOREAD 0x8000L 58 59 // listbox styles 60 #define PLBS_MULTIPLESEL 0x0001L 61 #define PLBS_HOVERSEL 0x0008L 62 63 // combobox styles 64 #define PCBS_ALLOWCUSTOMTEXT 0x0001L 65 66 struct CPWL_Dash { 67 CPWL_Dash() : nDash(0), nGap(0), nPhase(0) {} 68 CPWL_Dash(int32_t dash, int32_t gap, int32_t phase) 69 : nDash(dash), nGap(gap), nPhase(phase) {} 70 71 void Reset() { 72 nDash = 0; 73 nGap = 0; 74 nPhase = 0; 75 } 76 77 int32_t nDash; 78 int32_t nGap; 79 int32_t nPhase; 80 }; 81 82 inline bool operator==(const CFX_Color& c1, const CFX_Color& c2) { 83 return c1.nColorType == c2.nColorType && c1.fColor1 - c2.fColor1 < 0.0001 && 84 c1.fColor1 - c2.fColor1 > -0.0001 && 85 c1.fColor2 - c2.fColor2 < 0.0001 && 86 c1.fColor2 - c2.fColor2 > -0.0001 && 87 c1.fColor3 - c2.fColor3 < 0.0001 && 88 c1.fColor3 - c2.fColor3 > -0.0001 && 89 c1.fColor4 - c2.fColor4 < 0.0001 && c1.fColor4 - c2.fColor4 > -0.0001; 90 } 91 92 inline bool operator!=(const CFX_Color& c1, const CFX_Color& c2) { 93 return !(c1 == c2); 94 } 95 96 #define PWL_SCROLLBAR_WIDTH 12.0f 97 #define PWL_SCROLLBAR_TRANSPARENCY 150 98 #define PWL_DEFAULT_BLACKCOLOR CFX_Color(CFX_Color::kGray, 0) 99 #define PWL_DEFAULT_WHITECOLOR CFX_Color(CFX_Color::kGray, 1) 100 101 class CPWL_Wnd : public CPWL_TimerHandler, public Observable<CPWL_Wnd> { 102 public: 103 class PrivateData { 104 protected: 105 ~PrivateData() {} 106 }; 107 108 class ProviderIface : public Observable<ProviderIface> { 109 public: 110 virtual ~ProviderIface() {} 111 112 // get a matrix which map user space to CWnd client space 113 virtual CFX_Matrix GetWindowMatrix(PrivateData* pAttached) = 0; 114 }; 115 116 class FocusHandlerIface { 117 public: 118 virtual ~FocusHandlerIface() {} 119 virtual void OnSetFocus(CPWL_Edit* pEdit) = 0; 120 }; 121 122 class CreateParams { 123 public: 124 CreateParams(); 125 CreateParams(const CreateParams& other); 126 ~CreateParams(); 127 128 CFX_FloatRect rcRectWnd; // required 129 CFX_SystemHandler* pSystemHandler; // required 130 IPVT_FontMap* pFontMap; // required 131 ProviderIface::ObservedPtr pProvider; // required 132 UnownedPtr<FocusHandlerIface> pFocusHandler; // optional 133 uint32_t dwFlags; // optional 134 CFX_Color sBackgroundColor; // optional 135 CPDFSDK_Widget::ObservedPtr pAttachedWidget; // required 136 BorderStyle nBorderStyle; // optional 137 int32_t dwBorderWidth; // optional 138 CFX_Color sBorderColor; // optional 139 CFX_Color sTextColor; // optional 140 int32_t nTransparency; // optional 141 float fFontSize; // optional 142 CPWL_Dash sDash; // optional 143 UnownedPtr<PrivateData> pAttachedData; // optional 144 CPWL_Wnd* pParentWnd; // ignore 145 CPWL_MsgControl* pMsgControl; // ignore 146 int32_t eCursorType; // ignore 147 CFX_Matrix mtChild; // ignore 148 }; 149 150 CPWL_Wnd(); 151 ~CPWL_Wnd() override; 152 153 virtual ByteString GetClassName() const; 154 155 // Returns |true| iff this instance is still allocated. 156 virtual bool InvalidateRect(CFX_FloatRect* pRect); 157 158 virtual bool OnKeyDown(uint16_t nChar, uint32_t nFlag); 159 virtual bool OnChar(uint16_t nChar, uint32_t nFlag); 160 virtual bool OnLButtonDblClk(const CFX_PointF& point, uint32_t nFlag); 161 virtual bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag); 162 virtual bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag); 163 virtual bool OnRButtonDown(const CFX_PointF& point, uint32_t nFlag); 164 virtual bool OnRButtonUp(const CFX_PointF& point, uint32_t nFlag); 165 virtual bool OnMouseMove(const CFX_PointF& point, uint32_t nFlag); 166 virtual bool OnMouseWheel(short zDelta, 167 const CFX_PointF& point, 168 uint32_t nFlag); 169 virtual void SetScrollInfo(const PWL_SCROLL_INFO& info); 170 virtual void SetScrollPosition(float pos); 171 virtual void ScrollWindowVertically(float pos); 172 virtual void NotifyLButtonDown(CPWL_Wnd* child, const CFX_PointF& pos); 173 virtual void NotifyLButtonUp(CPWL_Wnd* child, const CFX_PointF& pos); 174 virtual void NotifyMouseMove(CPWL_Wnd* child, const CFX_PointF& pos); 175 virtual void SetFocus(); 176 virtual void KillFocus(); 177 virtual void SetCursor(); 178 179 // Returns |true| iff this instance is still allocated. 180 virtual bool SetVisible(bool bVisible); 181 virtual void SetFontSize(float fFontSize); 182 virtual float GetFontSize() const; 183 184 virtual WideString GetSelectedText(); 185 virtual void ReplaceSelection(const WideString& text); 186 virtual CFX_FloatRect GetFocusRect() const; 187 virtual CFX_FloatRect GetClientRect() const; 188 189 void InvalidateFocusHandler(FocusHandlerIface* handler); 190 void InvalidateProvider(ProviderIface* provider); 191 void Create(const CreateParams& cp); 192 void Destroy(); 193 bool Move(const CFX_FloatRect& rcNew, bool bReset, bool bRefresh); 194 195 void SetCapture(); 196 void ReleaseCapture(); 197 198 void DrawAppearance(CFX_RenderDevice* pDevice, 199 const CFX_Matrix& mtUser2Device); 200 201 CFX_Color GetBackgroundColor() const; 202 void SetBackgroundColor(const CFX_Color& color); 203 CFX_Color GetBorderColor() const; 204 CFX_Color GetTextColor() const; 205 void SetTextColor(const CFX_Color& color); 206 CFX_Color GetBorderLeftTopColor(BorderStyle nBorderStyle) const; 207 CFX_Color GetBorderRightBottomColor(BorderStyle nBorderStyle) const; 208 209 void SetBorderStyle(BorderStyle eBorderStyle); 210 BorderStyle GetBorderStyle() const; 211 const CPWL_Dash& GetBorderDash() const; 212 213 int32_t GetBorderWidth() const; 214 int32_t GetInnerBorderWidth() const; 215 CFX_FloatRect GetWindowRect() const; 216 CFX_PointF GetCenterPoint() const; 217 218 bool IsVisible() const { return m_bVisible; } 219 bool HasFlag(uint32_t dwFlags) const; 220 void AddFlag(uint32_t dwFlags); 221 void RemoveFlag(uint32_t dwFlags); 222 223 void SetClipRect(const CFX_FloatRect& rect); 224 const CFX_FloatRect& GetClipRect() const; 225 226 CPWL_Wnd* GetParentWindow() const; 227 PrivateData* GetAttachedData() const; 228 229 bool WndHitTest(const CFX_PointF& point) const; 230 bool ClientHitTest(const CFX_PointF& point) const; 231 bool IsCaptureMouse() const; 232 233 void EnableWindow(bool bEnable); 234 bool IsEnabled() const { return m_bEnabled; } 235 const CPWL_Wnd* GetFocused() const; 236 bool IsFocused() const; 237 bool IsReadOnly() const; 238 CPWL_ScrollBar* GetVScrollBar() const; 239 240 IPVT_FontMap* GetFontMap() const; 241 ProviderIface* GetProvider() const; 242 FocusHandlerIface* GetFocusHandler() const; 243 244 int32_t GetTransparency(); 245 void SetTransparency(int32_t nTransparency); 246 247 CFX_Matrix GetChildToRoot() const; 248 CFX_Matrix GetChildMatrix() const; 249 void SetChildMatrix(const CFX_Matrix& mt); 250 CFX_Matrix GetWindowMatrix() const; 251 252 virtual void OnSetFocus(); 253 virtual void OnKillFocus(); 254 255 protected: 256 // CPWL_TimerHandler 257 CFX_SystemHandler* GetSystemHandler() const override; 258 259 virtual void CreateChildWnd(const CreateParams& cp); 260 261 // Returns |true| iff this instance is still allocated. 262 virtual bool RePosChildWnd(); 263 264 virtual void DrawThisAppearance(CFX_RenderDevice* pDevice, 265 const CFX_Matrix& mtUser2Device); 266 267 virtual void OnCreate(CreateParams* pParamsToAdjust); 268 virtual void OnCreated(); 269 virtual void OnDestroy(); 270 271 void SetNotifyFlag(bool bNotifying = true) { m_bNotifying = bNotifying; } 272 bool IsNotifying() const { return m_bNotifying; } 273 bool IsValid() const { return m_bCreated; } 274 const CreateParams& GetCreationParams() const { return m_CreationParams; } 275 276 // Returns |true| iff this instance is still allocated. 277 bool InvalidateRectMove(const CFX_FloatRect& rcOld, 278 const CFX_FloatRect& rcNew); 279 280 bool IsWndCaptureMouse(const CPWL_Wnd* pWnd) const; 281 bool IsWndCaptureKeyboard(const CPWL_Wnd* pWnd) const; 282 const CPWL_Wnd* GetRootWnd() const; 283 284 static bool IsCTRLpressed(uint32_t nFlag) { 285 return CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag); 286 } 287 static bool IsSHIFTpressed(uint32_t nFlag) { 288 return CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag); 289 } 290 static bool IsALTpressed(uint32_t nFlag) { 291 return CPDFSDK_FormFillEnvironment::IsALTKeyDown(nFlag); 292 } 293 294 private: 295 CFX_PointF ParentToChild(const CFX_PointF& point) const; 296 CFX_FloatRect ParentToChild(const CFX_FloatRect& rect) const; 297 298 void DrawChildAppearance(CFX_RenderDevice* pDevice, 299 const CFX_Matrix& mtUser2Device); 300 301 CFX_FloatRect PWLtoWnd(const CFX_FloatRect& rect) const; 302 303 void AddChild(CPWL_Wnd* pWnd); 304 void RemoveChild(CPWL_Wnd* pWnd); 305 306 void CreateScrollBar(const CreateParams& cp); 307 void CreateVScrollBar(const CreateParams& cp); 308 309 void AdjustStyle(); 310 void CreateMsgControl(); 311 void DestroyMsgControl(); 312 313 CPWL_MsgControl* GetMsgControl() const; 314 315 CreateParams m_CreationParams; 316 std::vector<CPWL_Wnd*> m_Children; 317 UnownedPtr<CPWL_ScrollBar> m_pVScrollBar; 318 CFX_FloatRect m_rcWindow; 319 CFX_FloatRect m_rcClip; 320 bool m_bCreated; 321 bool m_bVisible; 322 bool m_bNotifying; 323 bool m_bEnabled; 324 }; 325 326 #endif // FPDFSDK_PWL_CPWL_WND_H_ 327
