menu.c

   1 #include <shlobj.h>
   2 #include <stdarg.h>
   3 #include <tchar.h>
   4 #include "menu.h"
   5 #include "ext.h"
   6 #include "debug.h"
   7 #include "systeminfo.h"
   8
   9 /*
  10  * These are the functions for handling the context menu.
  11  */
  12
  13 static STDMETHODIMP query_context_menu(void *p, HMENU menu,
  14                                        UINT index, UINT first_command,
  15                                        UINT last_command, UINT flags)
  16 {
  17         struct git_menu *this_menu = p;
  18         struct git_data *this_ = this_menu->git_data;
  19
  20         if (flags & CMF_DEFAULTONLY)
  21                 return MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_NULL, 0);
  22
  23         InsertMenu(menu, index, MF_STRING | MF_BYPOSITION,
  24                    first_command, _T("Git Gui"));
  25
  26         return MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_NULL, 1);
  27 }
  28
  29 static STDMETHODIMP invoke_command(void *p,
  30                                    LPCMINVOKECOMMANDINFO info)
  31 {
  32         struct git_menu *this_menu = p;
  33         struct git_data *this_ = this_menu->git_data;
  34         int command = LOWORD(info->lpVerb);
  35
  36         if (HIWORD(info->lpVerb) != 0)
  37                 return E_INVALIDARG;
  38
  39         if (command == 0)
  40         {
  41                 STARTUPINFO si = { sizeof(si) };
  42                 PROCESS_INFORMATION pi;
  43
  44                 TCHAR * msysPath = msys_path();
  45
  46                 if (msysPath)
  47                 {
  48                         TCHAR command[1024];
  49                         wsprintf(command, TEXT("sh.exe %s\\bin\\git-gui"),
  50                                  msysPath);
  51
  52                         if (CreateProcess(
  53                                     NULL,
  54                                     command,
  55                                     NULL,
  56                                     NULL,
  57                                     FALSE,
  58                                     0, NULL, NULL, &si, &pi))
  59                         {
  60                                 CloseHandle(pi.hProcess);
  61                                 CloseHandle(pi.hThread);
  62                         }
  63                         else
  64                         {
  65                                 debug_git("[ERROR] %s/%s:%d Could not create git gui process (%d)",
  66                                           __FILE__, __FUNCTION__, __LINE__,
  67                                           GetLastError());
  68                         }
  69                 }
  70                 else
  71                 {
  72                         debug_git("[ERROR] %s/%s:%d Could not find msysPath",
  73                                   __FILE__, __FUNCTION__, __LINE__);
  74                 }
  75
  76                 return S_OK;
  77         }
  78
  79         return E_INVALIDARG;
  80 }
  81
  82 static STDMETHODIMP get_command_string(void *p, UINT id,
  83                                        UINT flags, UINT *reserved,
  84                                        LPSTR name, UINT size)
  85 {
  86         struct git_menu *this_menu = p;
  87         struct git_data *this_ = this_menu->git_data;
  88
  89         if (id == 0)
  90                 return E_INVALIDARG;
  91
  92 #if 0
  93         if (flags & GCS_HELPTEXT) {
  94                 LPCTSTR text = _T("This is the simple shell extension's help");
  95
  96                 if (flags & GCS_UNICODE)
  97                         lstrcpynW((LPWSTR)name, mbrtowc(text), size);
  98                 else
  99                         lstrcpynA(name, text, size);
 100
 101                 return S_OK;
 102         }
 103 #endif
 104
 105         return E_INVALIDARG;
 106 }
 107
 108 DEFINE_STANDARD_METHODS(git_menu)
 109
 110 struct git_menu_virtual_table git_menu_virtual_table = {
 111         query_interface_git_menu,
 112         add_ref_git_menu,
 113         release_git_menu,
 114         query_context_menu,
 115         invoke_command,
 116         get_command_string
 117 };