/[winpt]/trunk/Src/wptTrayPop.cpp
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Diff of /trunk/Src/wptTrayPop.cpp

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revision 25 by twoaday, Wed Oct 12 10:04:26 2005 UTC revision 34 by twoaday, Wed Oct 26 11:20:09 2005 UTC
# Line 23  Line 23 
23    
24  #include "wptW32API.h"  #include "wptW32API.h"
25    
26  #define PD_WINDOWNAME           "ClsTrayPop"  #define PD_WINDOWNAME           "WinPT_TrayPop"
27  #define PD_TIMER_IDENTIFIER     23  #define PD_TIMER_IDENTIFIER     23
28  #define PD_TIMER_TIMEOUT        1500  #define PD_TIMER_TIMEOUT        1500
29    
# Line 43  store_text (LPCTSTR alert_text) Line 43  store_text (LPCTSTR alert_text)
43      if (alert_text)      if (alert_text)
44          text = alert_text;          text = alert_text;
45      return text;      return text;
46  } /* store_text */  }
47    
48    
49  static void  static void
# Line 67  paint_alert (HDC *p_hdc, PAINTSTRUCT *p_ Line 67  paint_alert (HDC *p_hdc, PAINTSTRUCT *p_
67          FF_DONTCARE, // pitch and family          FF_DONTCARE, // pitch and family
68          "Tahoma" // typeface name          "Tahoma" // typeface name
69          );          );
70        
71      HFONT hOldFont = (HFONT) SelectObject(*p_hdc, hFont);      HFONT hOldFont = (HFONT) SelectObject (*p_hdc, hFont);
72      RECT recttext;      RECT recttext;
73      recttext.top = 0;      recttext.top = 0;
74      recttext.bottom = PD_TRAYPOP_HEIGHT - 2;      recttext.bottom = PD_TRAYPOP_HEIGHT - 2;
75      recttext.left = 10;      recttext.left = 10;
76      recttext.right = PD_TRAYPOP_WIDTH - 12;      recttext.right = PD_TRAYPOP_WIDTH - 12;
77            
78      MoveToEx(*p_hdc, 0, 0, (LPPOINT) NULL);      MoveToEx (*p_hdc, 0, 0, (LPPOINT) NULL);
79      LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, 0);      LineTo (*p_hdc, PD_TRAYPOP_WIDTH - 3, 0);
80      LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, PD_TRAYPOP_HEIGHT - 3);      LineTo (*p_hdc, PD_TRAYPOP_WIDTH - 3, PD_TRAYPOP_HEIGHT - 3);
81      LineTo(*p_hdc, 0, PD_TRAYPOP_HEIGHT - 3);      LineTo (*p_hdc, 0, PD_TRAYPOP_HEIGHT - 3);
82      LineTo(*p_hdc, 0, 0);      LineTo (*p_hdc, 0, 0);
83            
84      UINT dtFormat = DT_END_ELLIPSIS | DT_NOPREFIX |     DT_WORDBREAK;      UINT dtFormat = DT_END_ELLIPSIS | DT_NOPREFIX | DT_WORDBREAK;
85            
86      // determine text height      /* determine text height */
87      int text_height = DrawText(      int text_height = DrawText (*p_hdc, store_text (NULL),
88          *p_hdc, // handle to DC                                  -1, &recttext,
89          store_text(NULL), // text to draw                                  dtFormat | DT_CENTER | DT_CALCRECT);
         -1, // text length // TODO: future i18n problem, see docs  
         &recttext, // formatting dimensions  
         dtFormat | DT_CENTER | DT_CALCRECT  
         );  
90            
91      // vertically center text in the box      /* vertically center text in the box */
92      recttext.top = PD_TRAYPOP_HEIGHT/2 - text_height/2 - 5;      recttext.top = PD_TRAYPOP_HEIGHT/2 - text_height/2 - 5;
93      recttext.bottom = PD_TRAYPOP_HEIGHT/2 + text_height/2 + 5;      recttext.bottom = PD_TRAYPOP_HEIGHT/2 + text_height/2 + 5;
94      recttext.left = 10;      recttext.left = 10;
95      recttext.right = PD_TRAYPOP_WIDTH - 12;      recttext.right = PD_TRAYPOP_WIDTH - 12;
96            
97      // change over to left-justified from centered, for longer lines      /* change over to left-justified from centered, for longer lines */
98      (text_height > 30)? (dtFormat |= DT_LEFT) : (dtFormat |= DT_CENTER);      (text_height > 30)? (dtFormat |= DT_LEFT) : (dtFormat |= DT_CENTER);
99            
100      DrawText (*p_hdc,      DrawText (*p_hdc, store_text (NULL),
101                store_text (NULL),                -1, &recttext, dtFormat);
               -1, // text length // TODO: future i18n problem, see docs  
               &recttext, // formatting dimensions  
               dtFormat);  
102            
103      hFont = (HFONT) SelectObject(*p_hdc, hOldFont);      hFont = (HFONT) SelectObject(*p_hdc, hOldFont);
104      DeleteObject(hFont);      DeleteObject(hFont);
105  } /* paint_alert */  }
106    
107    
108    /* Window procedure for the message box. */
109  static LRESULT CALLBACK  static LRESULT CALLBACK
110  WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)  window_proc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
111  {  {
112      PAINTSTRUCT ps;      PAINTSTRUCT ps;
113      HDC hdc;      HDC hdc;
114            
115      switch (msg)      switch (msg) {
     {  
116      case WM_PAINT:      case WM_PAINT:
117          hdc = BeginPaint (hWnd, &ps);          hdc = BeginPaint (hWnd, &ps);
118          paint_alert (&hdc, &ps);          paint_alert (&hdc, &ps);
# Line 135  WndProc (HWND hWnd, UINT msg, WPARAM wPa Line 128  WndProc (HWND hWnd, UINT msg, WPARAM wPa
128          KillTimer (hWnd, PD_TIMER_IDENTIFIER);          KillTimer (hWnd, PD_TIMER_IDENTIFIER);
129          PostQuitMessage (1);          PostQuitMessage (1);
130          break;          break;
131            
132      default:      default:
133          return DefWindowProc (hWnd, msg, wParam, lParam);          return DefWindowProc (hWnd, msg, wParam, lParam);
134      }      }
135        
136      return 0;      return 0;
137  } /* WndProc */  }
138    
139    
140    
141    /* Simple timer function which destroys the (message) window . */
142  static VOID CALLBACK  static VOID CALLBACK
143  popup_timer_proc( HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)  popup_timer_proc (HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
144  {        {      
145      DestroyWindow(hwnd);      DestroyWindow (hwnd);
146  } /* popup_timer_proc */  }
147    
148    
149    
150    /* Init window class. */
151  static void  static void
152  init_wclass (WNDCLASS *p_wclass, HINSTANCE hInst)  init_wclass (WNDCLASS *p_wclass, HINSTANCE hInst)
153  {  {
154      p_wclass->style = CS_HREDRAW | CS_VREDRAW;      p_wclass->style = CS_HREDRAW | CS_VREDRAW;
155      p_wclass->lpfnWndProc = WndProc;      p_wclass->lpfnWndProc = window_proc;
156      p_wclass->cbClsExtra = 0;      p_wclass->cbClsExtra = 0;
157      p_wclass->cbWndExtra = 0;      p_wclass->cbWndExtra = 0;
158      p_wclass->hInstance = hInst;      p_wclass->hInstance = hInst;
# Line 164  init_wclass (WNDCLASS *p_wclass, HINSTAN Line 161  init_wclass (WNDCLASS *p_wclass, HINSTAN
161      p_wclass->hbrBackground = (HBRUSH) (COLOR_INFOBK + 1);      p_wclass->hbrBackground = (HBRUSH) (COLOR_INFOBK + 1);
162      p_wclass->lpszMenuName = NULL;      p_wclass->lpszMenuName = NULL;
163      p_wclass->lpszClassName = PD_WINDOWNAME;      p_wclass->lpszClassName = PD_WINDOWNAME;
164  } /* init_wclass */  }
165    
166    
167  /* Show the given message in a pop-up window for millis miliseconds. */  /* Show the given message in a pop-up window for millis miliseconds. */
# Line 185  show_msg (HWND hParentWnd, int millis, L Line 182  show_msg (HWND hParentWnd, int millis, L
182      init_wclass (&wClass, glob_hinst);      init_wclass (&wClass, glob_hinst);
183      RegisterClass (&wClass);      RegisterClass (&wClass);
184            
185      hWnd = CreateWindowEx(      hWnd = CreateWindowEx (WS_EX_TOOLWINDOW | WS_EX_TOPMOST,
186          WS_EX_TOOLWINDOW | WS_EX_TOPMOST, // extended style                                 PD_WINDOWNAME, PD_WINDOWNAME,
187          PD_WINDOWNAME, // class name                                     WS_POPUP,
188          PD_WINDOWNAME, // window name                             (parent.right + parent.left) / 2,
189          WS_POPUP, // window style                             (parent.bottom + parent.top) / 2,
190          (parent.right + parent.left) / 2, (parent.bottom + parent.top) / 2,                             nWndWidth - 2, nWndHeight - 2,
191          nWndWidth - 2, nWndHeight - 2, // width and height, with corrections                             NULL, NULL, glob_hinst, NULL);
         NULL, NULL, glob_hinst, NULL);  
           
       
192      if (hWnd == NULL)      if (hWnd == NULL)
193          return 0;          return 0;
194      else {      else { /* Ensure parent never loses focus. */
195          ShowWindow (hWnd, SW_SHOW);          ShowWindow (hWnd, SW_SHOW);
196          UpdateWindow (hWnd);          UpdateWindow (hWnd);
         // ensure parent never loses focus  
197          EnableWindow (hParentWnd, TRUE);          EnableWindow (hParentWnd, TRUE);
198          center_window (hWnd, hParentWnd);          center_window (hWnd, hParentWnd);
199          SetActiveWindow (NULL);          SetActiveWindow (NULL);
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