/[winpt]/trunk/PTD/PTD.cpp
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revision 2 by twoaday, Mon Jan 31 11:02:21 2005 UTC revision 33 by twoaday, Tue Oct 25 07:46:20 2005 UTC
# Line 20  Line 20 
20    
21  #include <windows.h>  #include <windows.h>
22  #include <stdio.h>  #include <stdio.h>
23    #include <ocidl.h>
24    #include <olectl.h>
25    
26    #include "wptJPG.h"
27    
28  HINSTANCE glob_hinst;  HINSTANCE glob_hinst;
29    
30  /* We need a special section in the DLL for storing our shared data */  /* We need a special section in the DLL for storing our shared data */
31  #pragma data_seg(".SHARDAT")  #pragma data_seg(".SHARDAT")
32  static HHOOK cbt_hook = NULL;  static HHOOK    cbt_hook = NULL;    /* CTB hook handle. */
33  static DWORD tray_proc_id = 0;  static DWORD    tray_proc_id = 0;   /* WinPT PID */
34  static HWND shell_traywnd = 0;  static HWND     shell_traywnd = 0;  /* Tray window handle. */
35  static HWND curr_focus = NULL;  static HWND     curr_focus = NULL;  /* Current window focus handle. */
36  static HWND rebar_w32 = NULL;  static HWND     rebar_w32 = NULL;
37  static HWND mstask_swc = NULL;  static HWND     mstask_swc = NULL;
38  static HWND systab_c32 = NULL;  static HWND     systab_c32 = NULL;
39  #pragma data_seg()  #pragma data_seg()
40    
41  static unsigned * journ_keys = 0;  static unsigned *journ_keys = 0;
42  static unsigned key_idx = 0;  static unsigned key_idx = 0;
43  static unsigned nkeys = 0;  static unsigned nkeys = 0;
44  static HHOOK journ_hook = NULL;  static HHOOK journ_hook = NULL;     /* Journaling hook  handle. */
45    
46    
47  static LRESULT CALLBACK  static LRESULT CALLBACK
# Line 66  PTD_CBT_proc (int code, WPARAM wparam, L Line 70  PTD_CBT_proc (int code, WPARAM wparam, L
70      }      }
71            
72      return  CallNextHookEx (cbt_hook , code, wparam, lparam);      return  CallNextHookEx (cbt_hook , code, wparam, lparam);
73  } /* PTD_CBT_proc */  }
74    
75    
76    /* Return the last selected window */
77  HWND  HWND
78  PTD_get_curr_hwnd (void)  PTD_get_curr_hwnd (void)
79  {  {
80      return curr_focus;      return curr_focus;
81  } /* PTD_get_curr_hwnd */  }
82    
83    
84    /* Initialize CTB hook and try to find the system windows. */
85  BOOL  BOOL
86  PTD_initialize (void)  PTD_initialize (void)
87  {  {
88      tray_proc_id = GetCurrentProcessId( );      tray_proc_id = GetCurrentProcessId ();
89      cbt_hook = SetWindowsHookEx( WH_CBT, PTD_CBT_proc, glob_hinst, 0 );      cbt_hook = SetWindowsHookEx (WH_CBT, PTD_CBT_proc, glob_hinst, 0);
90      if( cbt_hook == NULL )                    if (cbt_hook == NULL)
91          return FALSE;          return FALSE;
92            
93      /* Okay, what are we doing here:      /* Okay, what are we doing here:
94       * In the past I used the Spy++ application to find out why the old current window       * In the past I used the Spy++ application to find out why the old current
95       * doesn't work on so much systems. Now we try to use the computer based training       * window doesn't work on so much systems. Now we try to use the computer
96       * hook, more precise the HCBT_SETFOCUS to find out the last window focus. But to       * based training hook, more precise the HCBT_SETFOCUS to find out the
97       * succeed we need to ignore some windows because otherwise our own window or a       * last window focus. But to succeed we need to ignore some windows
98       * window from the taskbar would be recognized.       * because otherwise our own window or a window from the taskbar
99         * would be recognized.
100       *       *
101       * Here is what the Spy++ says about the windows order:       * Here is what the Spy++ says about the windows order:
102       * Shell_TrayWnd       * Shell_TrayWnd
# Line 97  PTD_initialize (void) Line 104  PTD_initialize (void)
104       *                \ MSTaskSwWClass       *                \ MSTaskSwWClass
105       *                               \ SysTabControl32       *                               \ SysTabControl32
106       *       *
107       * As a result we need to ignore those windows to prevent failured in the code.       * As a result we need to ignore those windows to prevent failured
108         * in the code.
109       */       */
110      shell_traywnd = FindWindowEx (NULL, NULL, "Shell_TrayWnd", NULL);      shell_traywnd = FindWindowEx (NULL, NULL, "Shell_TrayWnd", NULL);
111      rebar_w32 = FindWindowEx (shell_traywnd, NULL, "ReBarWindow32", NULL);      rebar_w32 = FindWindowEx (shell_traywnd, NULL, "ReBarWindow32", NULL);
112      mstask_swc = FindWindowEx (rebar_w32, NULL, "MSTaskSwWClass", NULL);      mstask_swc = FindWindowEx (rebar_w32, NULL, "MSTaskSwWClass", NULL);
113      systab_c32 = FindWindowEx (mstask_swc, NULL, "SysTabControl32", NULL);      systab_c32 = FindWindowEx (mstask_swc, NULL, "SysTabControl32", NULL);
114            
115      /*_log_box ("tray_proc_id=%u cbt_hook=%p shell_traywnd=%p rebar_w32=%p "      /*log_foo ("tray_proc_id=%u cbt_hook=%p shell_traywnd=%p rebar_w32=%p "
116                  "mstask_swc=%p systab_c32=%p",                 "mstask_swc=%p systab_c32=%p",
117                  tray_proc_id, cbt_hook, shell_traywnd, rebar_w32,                 tray_proc_id, cbt_hook, shell_traywnd, rebar_w32,
118                  mstask_swc, systab_c32);*/                 mstask_swc, systab_c32);*/
119            
120      return TRUE;      return TRUE;
121  } /* PTD_initialize */  }
122    
123    
124    /* Remove the CTB hook from the system and reset all variables. */
125  void  void
126  PTD_delete (void)  PTD_delete (void)
127  {  {
# Line 122  PTD_delete (void) Line 131  PTD_delete (void)
131      cbt_hook = NULL;      cbt_hook = NULL;
132      shell_traywnd = NULL;      shell_traywnd = NULL;
133      tray_proc_id = 0;      tray_proc_id = 0;
134  } /* PTD_delete */  }
135    
136    
137    /* Return if the CTB hook is currently used. */
138  int  int
139  PTD_is_used (void)  PTD_is_used (void)
140  {  {
141      return shell_traywnd && cbt_hook;      return shell_traywnd && cbt_hook;
142  } /* PTD_is_used */  }
143    
144    
145  LRESULT CALLBACK  static LRESULT CALLBACK
146  PTD_playback_proc (int code, WPARAM wparam, LPARAM lparam)  PTD_playback_proc (int code, WPARAM wparam, LPARAM lparam)
147  {  {
148      LPEVENTMSG em;      LPEVENTMSG em;
# Line 167  PTD_playback_proc (int code, WPARAM wpar Line 177  PTD_playback_proc (int code, WPARAM wpar
177  } /* PTD_Playback_proc */  } /* PTD_Playback_proc */
178    
179    
180    
181  BOOL  BOOL
182  PTD_keyb_send (UINT * keys, UINT n_keys)  PTD_keyb_send (UINT *keys, UINT n_keys)
183  {  {
184      MSG msg;      MSG msg;
   
185      journ_keys = keys;      journ_keys = keys;
186      key_idx = 0;      key_idx = 0;
187      nkeys =  n_keys;          nkeys =  n_keys;    
# Line 210  PTD_keyb_send (UINT * keys, UINT n_keys) Line 220  PTD_keyb_send (UINT * keys, UINT n_keys)
220      }      }
221            
222      return TRUE;      return TRUE;
223  } /* PTD_keyb_send */  }
224    
225    
226    /* Return version of the PTD library. */
227  const char *  const char *
228  PTD_get_version (void)  PTD_get_version (void)
229  {  {
230      return "0.8.0";      return "0.8.1";
231  } /* PTD_get_version */  }
232    
233    
234    /* Display a JPG picture in the given window at the given point. */
235    int
236    PTD_jpg_show (HWND hwnd, POINT *p, LPCSTR name)
237    {
238        CJPG jpg;
239        HDC hdc;
240        POINT p2;
241        BOOL rc;
242    
243        rc = jpg.load (name);
244        if (!rc)
245            return -1; /* XXX: use real return code. */
246        hdc = GetWindowDC (hwnd);
247        rc = jpg.updateSizeOnDC (hdc);
248        if (!rc) {
249            ReleaseDC (hwnd, hdc);
250            return -2; /* XXX: use real return code. */
251        }
252    
253        p2.x = jpg.m_Width;
254        p2.y = jpg.m_Height;
255        rc = jpg.show (hdc, p, &p2, 0, 0);
256    
257        ReleaseDC (hwnd, hdc);
258        jpg.freePictureData ();
259        return rc;
260    }
261    
262    
263                                    
264  BOOL WINAPI  BOOL WINAPI
# Line 235  DllMain (HINSTANCE hinst, DWORD reason, Line 276  DllMain (HINSTANCE hinst, DWORD reason,
276          break;          break;
277      }      }
278      return TRUE;      return TRUE;
279  } /* DllMain */  }
280    
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