1 /* 2 * ppui/Event.h 3 * 4 * Copyright 2009 Peter Barth 5 * 6 * This file is part of Milkytracker. 7 * 8 * Milkytracker is free software: you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation, either version 3 of the License, or 11 * (at your option) any later version. 12 * 13 * Milkytracker is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with Milkytracker. If not, see <http://www.gnu.org/licenses/>. 20 * 21 */ 22 23 ///////////////////////////////////////////////////////////////// 24 // 25 // PPEvent classes 26 // 27 ///////////////////////////////////////////////////////////////// 28 #ifndef EVENT__H 29 #define EVENT__H 30 31 #include "Object.h" 32 #include "BasicTypes.h" 33 34 // key states 35 enum KeyModifiers 36 { 37 KeyModifierALT = 1, 38 KeyModifierSHIFT = 2, 39 KeyModifierCTRL = 4 40 }; 41 42 struct TMouseWheelEventParams 43 { 44 PPPoint pos; 45 pp_int32 deltaX; 46 pp_int32 deltaY; 47 }; 48 49 void setKeyModifier(KeyModifiers eModifier); 50 void clearKeyModifier(KeyModifiers eModifier); 51 void setForceKeyModifier(KeyModifiers eModifier); 52 void clearForceKeyModifier(KeyModifiers eModifier); 53 pp_uint32 getKeyModifier(); 54 55 enum EEventDescriptor 56 { 57 eInvalid = 0, 58 eLMouseDown, 59 eLMouseUp, 60 eLMouseDoubleClick, 61 eLMouseDrag, 62 eLMouseRepeat, 63 eRMouseDown, 64 eRMouseUp, 65 eRMouseDoubleClick, 66 eRMouseDrag, 67 eRMouseRepeat, 68 eMMouseDown, 69 eMMouseUp, 70 eMMouseDoubleClick, 71 eMMouseDrag, 72 eMMouseRepeat, 73 eMouseMoved, 74 eMouseEntered, 75 eMouseLeft, 76 eMouseWheelMoved, 77 eBarPosChanged, 78 eBarScrollUp, 79 eBarScrollDown, 80 eKeyDown, 81 eKeyChar, 82 eKeyUp, 83 eFileDragDropped, 84 eFileSystemChanged, 85 eFocusGained, 86 eFocusLost, 87 eFocusGainedNoRepaint, 88 eFocusLostNoRepaint, 89 eRemovedContextMenu, 90 eCommand, // e.g. button pressed once 91 eCommandRight, // e.g. right button pressed once 92 eCommandRepeat, // e.g. button stays pressed 93 ePreSelection, // e.g. list box selection is about to change 94 eSelection, // e.g. list box selection has been made 95 eValueChanged, 96 eUpdated, 97 eUpdateChanged, 98 eConfirmed, // e.g. ok-press 99 eCanceled, // e.g. cancel-press 100 eTimer, 101 eFullScreen, 102 eAppQuit 103 }; 104 105 ///////////////////////////////////////////////////////////////// 106 // Basic event class 107 ///////////////////////////////////////////////////////////////// 108 class PPEvent : public PPObject 109 { 110 private: 111 EEventDescriptor ID; 112 113 unsigned char userData[256]; 114 pp_int32 dataSize; 115 pp_int32 metaData; 116 117 public: PPEvent()118 PPEvent() : 119 ID(eInvalid), 120 dataSize(0), 121 metaData(0) 122 { 123 } 124 125 PPEvent(EEventDescriptor ID, pp_int32 theMetaData = 0) : ID(ID)126 ID(ID), 127 dataSize(0), 128 metaData(theMetaData) 129 { 130 } 131 132 PPEvent(EEventDescriptor ID, void* dataPtr, pp_int32 dSize, pp_int32 theMetaData = 0) : ID(ID)133 ID(ID), 134 dataSize(dSize), 135 metaData(theMetaData) 136 { 137 if (dSize <= (signed)sizeof(userData)) 138 memcpy(userData, dataPtr, dataSize); 139 else 140 exit(0); 141 } 142 PPEvent(const PPEvent & event)143 PPEvent(const PPEvent& event) : 144 ID(event.ID), 145 dataSize(event.dataSize), 146 metaData(event.metaData) 147 { 148 memcpy(this->userData, event.userData, event.dataSize); 149 } 150 getID()151 EEventDescriptor getID() const { return ID; } 152 getDataPtr()153 const void* getDataPtr() const { return userData; } getDataSize()154 pp_int32 getDataSize() const { return dataSize; } 155 getMetaData()156 pp_int32 getMetaData() const { return metaData; } 157 cancel()158 void cancel() { ID = eInvalid; } 159 isMouseEvent()160 bool isMouseEvent() const 161 { 162 switch (ID) 163 { 164 case eLMouseDown: 165 case eLMouseUp: 166 case eLMouseDoubleClick: 167 case eLMouseDrag: 168 case eLMouseRepeat: 169 case eRMouseDown: 170 case eRMouseUp: 171 case eRMouseDoubleClick: 172 case eRMouseDrag: 173 case eRMouseRepeat: 174 case eMMouseDown: 175 case eMMouseUp: 176 case eMMouseDoubleClick: 177 case eMMouseDrag: 178 case eMMouseRepeat: 179 case eMouseMoved: 180 case eMouseEntered: 181 case eMouseLeft: 182 case eMouseWheelMoved: 183 return true; 184 default: 185 return false; 186 } 187 } 188 }; 189 190 ///////////////////////////////////////////////////////////////// 191 // Interface for EventListenerInterface 192 ///////////////////////////////////////////////////////////////// 193 class EventListenerInterface : public PPObject 194 { 195 public: 196 virtual pp_int32 handleEvent(PPObject* sender, PPEvent* event) = 0; 197 }; 198 199 enum 200 { 201 PP_MESSAGEBOX_BUTTON_YES = 31000, 202 PP_MESSAGEBOX_BUTTON_OK = 31000, 203 PP_MESSAGEBOX_BUTTON_NO = 31001, 204 PP_MESSAGEBOX_BUTTON_CANCEL = 31002, 205 PP_MESSAGEBOX_BUTTON_USER1 = 31003, 206 PP_MESSAGEBOX_BUTTON_USER2 = 31004, 207 PP_MESSAGEBOX_BUTTON_USER3 = 31005, 208 PP_MESSAGEBOX_BUTTON_USER4 = 31006, 209 PP_MESSAGEBOX_BUTTON_USER5 = 31007, 210 PP_MESSAGEBOX_BUTTON_USER6 = 31008, 211 PP_MESSAGEBOX_BUTTON_USER7 = 31009, 212 PP_MESSAGEBOX_BUTTON_USER8 = 31010, 213 PP_MESSAGEBOX_BUTTON_USER9 = 31011, 214 PP_MESSAGEBOX_BUTTON_USER10 = 31012, 215 PP_MESSAGEBOX_BUTTON_USER11 = 31013, 216 PP_MESSAGEBOX_BUTTON_USER12 = 31014, 217 PP_MESSAGEBOX_BUTTON_USER13 = 31015, 218 PP_MESSAGEBOX_BUTTON_USER14 = 31016, 219 PP_MESSAGEBOX_BUTTON_USER15 = 31017, 220 221 PP_DEFAULT_ID = 0x12345678 222 }; 223 224 class DialogResponder 225 { 226 public: ActionOkay(PPObject * sender)227 virtual pp_int32 ActionOkay(PPObject* sender) { return 0; } ActionCancel(PPObject * sender)228 virtual pp_int32 ActionCancel(PPObject* sender) { return 0; } ActionNo(PPObject * sender)229 virtual pp_int32 ActionNo(PPObject* sender) { return 0; } ActionUser1(PPObject * sender)230 virtual pp_int32 ActionUser1(PPObject* sender) { return 0; } ActionUser2(PPObject * sender)231 virtual pp_int32 ActionUser2(PPObject* sender) { return 0; } ActionUser3(PPObject * sender)232 virtual pp_int32 ActionUser3(PPObject* sender) { return 0; } ActionUser4(PPObject * sender)233 virtual pp_int32 ActionUser4(PPObject* sender) { return 0; } 234 }; 235 236 #endif 237