| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/palmos/msgdlg.cpp |
| 3 | // Purpose: wxMessageDialog |
| 4 | // Author: William Osborne - minimal working wxPalmOS port |
| 5 | // Modified by: |
| 6 | // Created: 10/13/04 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) William Osborne |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 13 | #pragma implementation "msgdlg.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #ifndef WX_PRECOMP |
| 24 | #include "wx/app.h" |
| 25 | #include "wx/defs.h" |
| 26 | #include "wx/utils.h" |
| 27 | #include "wx/dialog.h" |
| 28 | #include "wx/msgdlg.h" |
| 29 | #endif |
| 30 | |
| 31 | IMPLEMENT_CLASS(wxMessageDialog, wxDialog) |
| 32 | |
| 33 | wxMessageDialog::wxMessageDialog(wxWindow *parent, |
| 34 | const wxString& message, |
| 35 | const wxString& caption, |
| 36 | long style, |
| 37 | const wxPoint& WXUNUSED(pos)) |
| 38 | { |
| 39 | #ifdef __WXDEBUG__ |
| 40 | // check for common programming errors |
| 41 | if ( (style & wxID_OK) == wxID_OK ) |
| 42 | { |
| 43 | // programmer probably confused wxID_OK with wxOK. Correct one is wxOK. |
| 44 | wxFAIL_MSG( _T("wxMessageBox: Did you mean wxOK (and not wxID_OK)?") ); |
| 45 | } |
| 46 | #endif // __WXDEBUG__ |
| 47 | |
| 48 | m_caption = caption; |
| 49 | m_message = message; |
| 50 | m_dialogStyle = style; |
| 51 | m_parent = parent; |
| 52 | } |
| 53 | |
| 54 | int wxMessageDialog::ShowModal() |
| 55 | { |
| 56 | int AlertID=1000; |
| 57 | int Result=0; |
| 58 | int wxResult=wxID_OK; |
| 59 | |
| 60 | // Handle to the currently running application database |
| 61 | DmOpenRef AppDB; |
| 62 | SysGetModuleDatabase(SysGetRefNum(), NULL, &AppDB); |
| 63 | |
| 64 | // Translate wx styles into Palm OS styles |
| 65 | if (m_dialogStyle & wxYES_NO) |
| 66 | { |
| 67 | if (m_dialogStyle & wxCANCEL) |
| 68 | AlertID=1300; // Yes No Cancel |
| 69 | else |
| 70 | AlertID=1200; // Yes No |
| 71 | } |
| 72 | if (m_dialogStyle & wxOK) |
| 73 | { |
| 74 | if (m_dialogStyle & wxCANCEL) |
| 75 | AlertID=1100; // Ok Cancel |
| 76 | else |
| 77 | AlertID=1000; // Ok |
| 78 | } |
| 79 | |
| 80 | // Add the icon styles |
| 81 | if (m_dialogStyle & wxICON_EXCLAMATION) |
| 82 | AlertID=AlertID+0; // Warning |
| 83 | else if (m_dialogStyle & wxICON_HAND) |
| 84 | AlertID=AlertID+1; // Error |
| 85 | else if (m_dialogStyle & wxICON_INFORMATION) |
| 86 | AlertID=AlertID+2; // Information |
| 87 | else if (m_dialogStyle & wxICON_QUESTION) |
| 88 | AlertID=AlertID+3; // Confirmation |
| 89 | |
| 90 | // The Palm OS Dialog API does not support custom titles in a dialog box. |
| 91 | // So we have to set the title by manipulating the resource. |
| 92 | |
| 93 | // Get the alert resource |
| 94 | char *AlertPtr; |
| 95 | MemHandle AlertHandle; |
| 96 | AlertHandle=DmGetResource(AppDB,'Talt',AlertID); |
| 97 | |
| 98 | AlertPtr=(char *)MemHandleLock(AlertHandle); |
| 99 | AlertPtr+=8; |
| 100 | |
| 101 | // Clear out any old title. This must be done with a static array of chars |
| 102 | // because using MemSet is not supported on resources and could result in |
| 103 | // crashes or unpredictable behaviour. |
| 104 | char ClearTitle[25]={' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '}; |
| 105 | MemMove(AlertPtr,&ClearTitle,25); |
| 106 | |
| 107 | // Get the title length and make sure it is not too long |
| 108 | int TitleLength=m_caption.length(); |
| 109 | if(TitleLength>25) |
| 110 | TitleLength=25; |
| 111 | |
| 112 | // Center the title in the window |
| 113 | int BufferLength=(25-TitleLength)/2; |
| 114 | AlertPtr+=BufferLength; |
| 115 | |
| 116 | // Copy the title |
| 117 | MemMove(AlertPtr,m_caption.c_str(),TitleLength); |
| 118 | |
| 119 | // Release the resource |
| 120 | MemHandleUnlock(AlertHandle); |
| 121 | DmReleaseResource(AlertHandle); |
| 122 | |
| 123 | // Display the dialog |
| 124 | Result=FrmCustomAlert(AppDB,AlertID,m_message.c_str(),"",""); |
| 125 | |
| 126 | // Convert the Palm OS result to wxResult |
| 127 | if(AlertID<1100) |
| 128 | { |
| 129 | // Ok |
| 130 | wxResult=wxID_OK; |
| 131 | } |
| 132 | else if(AlertID<1200) |
| 133 | { |
| 134 | // Ok Cancel |
| 135 | if(Result==0) |
| 136 | wxResult=wxID_OK; |
| 137 | else |
| 138 | wxResult=wxID_CANCEL; |
| 139 | } |
| 140 | else if(AlertID<1300) |
| 141 | { |
| 142 | // Yes No |
| 143 | if(Result==0) |
| 144 | wxResult=wxID_YES; |
| 145 | else |
| 146 | wxResult=wxID_NO; |
| 147 | } |
| 148 | else |
| 149 | { |
| 150 | // Yes No Cancel |
| 151 | if(Result==0) |
| 152 | wxResult=wxID_YES; |
| 153 | else if(Result==1) |
| 154 | wxResult=wxID_NO; |
| 155 | else |
| 156 | wxResult=wxID_CANCEL; |
| 157 | } |
| 158 | |
| 159 | return wxResult; |
| 160 | } |
| 161 | |