1 /* 2 * Copyright 2006, Haiku. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Stephan Aßmus <superstippi@gmx.de> 7 */ 8 9 #include "SetColorCommand.h" 10 11 #include <new> 12 #include <stdio.h> 13 14 #include <Catalog.h> 15 #include <Locale.h> 16 17 #include "GradientTransformable.h" 18 #include "Style.h" 19 20 21 #undef B_TRANSLATE_CONTEXT 22 #define B_TRANSLATE_CONTEXT "Icon-O-Matic-SetColorCmd" 23 24 25 using std::nothrow; 26 27 // constructor 28 SetColorCommand::SetColorCommand(Style* style, 29 const rgb_color& color) 30 : Command(), 31 fStyle(style), 32 fColor(color) 33 { 34 } 35 36 // destructor 37 SetColorCommand::~SetColorCommand() 38 { 39 } 40 41 // InitCheck 42 status_t 43 SetColorCommand::InitCheck() 44 { 45 #ifdef __HAIKU__ 46 return fStyle && fStyle->Color() != fColor ? B_OK : B_NO_INIT; 47 #else 48 rgb_color color = fStyle->Color(); 49 return fStyle && *(uint32*)&color != *(uint32*)&fColor ? 50 B_OK : B_NO_INIT; 51 #endif 52 } 53 54 // Perform 55 status_t 56 SetColorCommand::Perform() 57 { 58 // toggle the color 59 rgb_color previous = fStyle->Color(); 60 fStyle->SetColor(fColor); 61 fColor = previous; 62 63 return B_OK; 64 } 65 66 // Undo 67 status_t 68 SetColorCommand::Undo() 69 { 70 return Perform(); 71 } 72 73 // GetName 74 void 75 SetColorCommand::GetName(BString& name) 76 { 77 name << B_TRANSLATE("Change Color"); 78 } 79 80 // CombineWithNext 81 bool 82 SetColorCommand::CombineWithNext(const Command* command) 83 { 84 const SetColorCommand* next 85 = dynamic_cast<const SetColorCommand*>(command); 86 87 if (next && next->fTimeStamp - fTimeStamp < 1000000) { 88 fTimeStamp = next->fTimeStamp; 89 // NOTE: next was already performed, but 90 // when undoing, we want to use our 91 // remembered color 92 return true; 93 } 94 return false; 95 } 96 97