1 /*****************************************************************************/ 2 // ShowImageApp 3 // Written by Fernando Francisco de Oliveira, Michael Wilber 4 // 5 // ShowImageApp.cpp 6 // 7 // 8 // Copyright (c) 2003 OpenBeOS Project 9 // 10 // Permission is hereby granted, free of charge, to any person obtaining a 11 // copy of this software and associated documentation files (the "Software"), 12 // to deal in the Software without restriction, including without limitation 13 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 14 // and/or sell copies of the Software, and to permit persons to whom the 15 // Software is furnished to do so, subject to the following conditions: 16 // 17 // The above copyright notice and this permission notice shall be included 18 // in all copies or substantial portions of the Software. 19 // 20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 21 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 25 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 26 // DEALINGS IN THE SOFTWARE. 27 /*****************************************************************************/ 28 29 #include <stdio.h> 30 #include <Alert.h> 31 #include <FilePanel.h> 32 33 #include "ShowImageConstants.h" 34 #include "ShowImageApp.h" 35 #include "ShowImageWindow.h" 36 37 int main(int, char **) 38 { 39 ShowImageApp theApp; 40 theApp.Run(); 41 return 0; 42 } 43 44 #define WINDOWS_TO_IGNORE 1 45 46 ShowImageApp::ShowImageApp() 47 : BApplication(APP_SIG) 48 { 49 fbpulseStarted = false; 50 fpopenPanel = new BFilePanel(B_OPEN_PANEL); 51 } 52 53 void 54 ShowImageApp::AboutRequested() 55 { 56 BAlert* pAlert = new BAlert("About ShowImage", 57 "OBOS ShowImage\n\nby Fernando F. Oliveira and Michael Wilber", "OK"); 58 pAlert->Go(); 59 } 60 61 void 62 ShowImageApp::ReadyToRun() 63 { 64 if (CountWindows() == WINDOWS_TO_IGNORE) 65 fpopenPanel->Show(); 66 else 67 // If image windows are already open 68 // (paths supplied on the command line) 69 // start checking the number of open windows 70 StartPulse(); 71 } 72 73 void 74 ShowImageApp::StartPulse() 75 { 76 if (!fbpulseStarted) { 77 // Tell the app to begin checking 78 // for the number of open windows 79 fbpulseStarted = true; 80 SetPulseRate(250000); 81 // Set pulse to every 1/4 second 82 } 83 } 84 85 void 86 ShowImageApp::Pulse() 87 { 88 if (!IsLaunching() && CountWindows() <= WINDOWS_TO_IGNORE) 89 // If the application is not launching and 90 // all windows are closed except for the file open panel, 91 // quit the application 92 PostMessage(B_QUIT_REQUESTED); 93 } 94 95 void 96 ShowImageApp::ArgvReceived(int32 argc, char **argv) 97 { 98 BMessage *pmsg = NULL; 99 for (int32 i = 1; i < argc; i++) { 100 entry_ref ref; 101 status_t err = get_ref_for_path(argv[i], &ref); 102 if (err == B_OK) { 103 if (!pmsg) { 104 pmsg = new BMessage; 105 pmsg->what = B_REFS_RECEIVED; 106 } 107 pmsg->AddRef("refs", &ref); 108 } 109 } 110 if (pmsg) 111 RefsReceived(pmsg); 112 } 113 114 void 115 ShowImageApp::MessageReceived(BMessage *pmsg) 116 { 117 switch (pmsg->what) { 118 case MSG_FILE_OPEN: 119 fpopenPanel->Show(); 120 break; 121 122 case MSG_WINDOW_QUIT: 123 break; 124 125 case B_CANCEL: 126 // File open panel was closed, 127 // start checking count of open windows 128 StartPulse(); 129 break; 130 131 default: 132 BApplication::MessageReceived(pmsg); 133 break; 134 } 135 } 136 137 void 138 ShowImageApp::RefsReceived(BMessage *pmsg) 139 { 140 uint32 type; 141 int32 count; 142 status_t ret = pmsg->GetInfo("refs", &type, &count); 143 if (ret != B_OK || type != B_REF_TYPE) 144 return; 145 146 entry_ref ref; 147 for (int32 i = 0; i < count; i++) { 148 if (pmsg->FindRef("refs", i, &ref) == B_OK) 149 Open(&ref); 150 } 151 } 152 153 void 154 ShowImageApp::Open(const entry_ref *pref) 155 { 156 new ShowImageWindow(pref); 157 } 158