trunk/Src/wptTrayPop.cpp

/* wptTrayPop.cpp - Alternative status box
 *      Copyright (C) 2002, 2004 Timo Schulz
 *      Copyright (C) 2002 Prasenjeet Dutta. <http://www.chaoszone.org>
 * 
 * This file is part of WinPT.
 *
 * WinPT is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License 
 * as published by the Free Software Foundation; either version 2 
 * of the License, or (at your option) any later version.
 *  
 * WinPT is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License 
 * along with WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 *
 */

/*
 * ChangeLog
 * Maybe I didn't understand how to use the code, but the original code
 * always produces a window near the taskbar icon. This is not very useful
 * because we need it near the dialog. I also removed some code we don't use.
 * -ts
 */

#include <windows.h>

#define PD_WINDOWNAME "ClsTrayPop"
#define PD_TIMER_IDENTIFIER 23
#define PD_TIMER_TIMEOUT 1500

#define PD_TRAYPOP_WIDTH 200
#define PD_TRAYPOP_HEIGHT 80

extern HINSTANCE glob_hinst;
extern HWND glob_hwnd;


static LPCTSTR 
store_text( LPCTSTR alert_text )
{
    static LPCTSTR text;

    if( alert_text )
        text = alert_text;
    return text;
} /* store_text */


static void 
paint_alert (HDC *p_hdc, PAINTSTRUCT *p_ps)
{
    SetBkMode(*p_hdc, TRANSPARENT);
    HFONT hFont = CreateFont(
        13, // height of font (in css px-style)
        0, // average character width
        0, // angle of escapement
        0, // base-line orientation angle
        FW_DONTCARE, // font weight
        FALSE, // italic attribute option
        FALSE, // underline attribute option
        FALSE, // strikeout attribute option
        // TODO: future i18n problem, see docs
        DEFAULT_CHARSET, // character set identifier
        OUT_DEFAULT_PRECIS, // output precision
        CLIP_DEFAULT_PRECIS, // clipping precision
        DEFAULT_QUALITY, // output quality
        FF_DONTCARE, // pitch and family
        "Tahoma" // typeface name
        );
    
    HFONT hOldFont = (HFONT) SelectObject(*p_hdc, hFont);
    RECT recttext;
    recttext.top = 0;
    recttext.bottom = PD_TRAYPOP_HEIGHT - 2;
    recttext.left = 10;
    recttext.right = PD_TRAYPOP_WIDTH - 12;
    
    MoveToEx(*p_hdc, 0, 0, (LPPOINT) NULL); 
    LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, 0);
    LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, PD_TRAYPOP_HEIGHT - 3);
    LineTo(*p_hdc, 0, PD_TRAYPOP_HEIGHT - 3);
    LineTo(*p_hdc, 0, 0);
    
    UINT dtFormat = DT_END_ELLIPSIS | DT_NOPREFIX |     DT_WORDBREAK;
    
    // determine text height
    int text_height = DrawText(
        *p_hdc, // handle to DC
        store_text(NULL), // text to draw
        -1, // text length // TODO: future i18n problem, see docs
        &recttext, // formatting dimensions
        dtFormat | DT_CENTER | DT_CALCRECT
        );
    
    // vertically center text in the box
    recttext.top = PD_TRAYPOP_HEIGHT/2 - text_height/2 - 5;
    recttext.bottom = PD_TRAYPOP_HEIGHT/2 + text_height/2 + 5;
    recttext.left = 10;
    recttext.right = PD_TRAYPOP_WIDTH - 12;
    
    // change over to left-justified from centered, for longer lines
    (text_height > 30)? (dtFormat |= DT_LEFT) : (dtFormat |= DT_CENTER);
    
    DrawText (*p_hdc,
              store_text (NULL),
              -1, // text length // TODO: future i18n problem, see docs
              &recttext, // formatting dimensions
              dtFormat);
    
    hFont = (HFONT) SelectObject(*p_hdc, hOldFont);
    DeleteObject(hFont);
} /* paint_alert */


static LRESULT CALLBACK
WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    PAINTSTRUCT ps;
    HDC hdc;
    
    switch (msg) 
    {
    case WM_PAINT:
        hdc = BeginPaint (hWnd, &ps);
        paint_alert (&hdc, &ps);
        EndPaint (hWnd, &ps);
        break;

    case WM_LBUTTONUP:
        KillTimer (hWnd, PD_TIMER_IDENTIFIER);
        PostQuitMessage (1);
        break;
        
    case WM_DESTROY:
        KillTimer (hWnd, PD_TIMER_IDENTIFIER);
        PostQuitMessage (1);
        break;
        
    default:
        return DefWindowProc (hWnd, msg, wParam, lParam);
    }
    
    return 0;
} /* WndProc */


static VOID CALLBACK 
popup_timer_proc( HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{       
    DestroyWindow(hwnd);
} /* popup_timer_proc */


static void 
init_wclass (WNDCLASS *p_wclass, HINSTANCE hInst)
{
    p_wclass->style = CS_HREDRAW | CS_VREDRAW;
    p_wclass->lpfnWndProc = WndProc;
    p_wclass->cbClsExtra = 0;
    p_wclass->cbWndExtra = 0;
    p_wclass->hInstance = hInst;
    p_wclass->hIcon = LoadIcon(hInst, IDI_APPLICATION);
    p_wclass->hCursor = LoadCursor(NULL, IDC_ARROW);
    p_wclass->hbrBackground = (HBRUSH) (COLOR_INFOBK + 1);
    p_wclass->lpszMenuName = NULL;
    p_wclass->lpszClassName = PD_WINDOWNAME;
} /* init_wclass */


int 
show_msg (HWND hParentWnd, int millis, LPCTSTR string)
{    
    RECT parent;
    int nWndWidth = PD_TRAYPOP_WIDTH;
    int nWndHeight = PD_TRAYPOP_HEIGHT;
    MSG msg;
    HWND hWnd;
    UINT_PTR timer;
    WNDCLASS wClass;
    
    store_text (string);
    GetWindowRect (hParentWnd, &parent);
    
    init_wclass (&wClass, glob_hinst);
    RegisterClass (&wClass);
    
    hWnd = CreateWindowEx(
        WS_EX_TOOLWINDOW | WS_EX_TOPMOST, // extended style     
        PD_WINDOWNAME, // class name        
        PD_WINDOWNAME, // window name
        WS_POPUP, // window style
        (parent.right + parent.left) / 2, (parent.bottom + parent.top) / 2,
        nWndWidth - 2, nWndHeight - 2, // width and height, with corrections
        NULL, // parent handle
        NULL, // menu handle
        glob_hinst, // instance handle
        NULL // other parameters
        );                        
    
    if (hWnd == NULL)
        return 0; 
    else {
        ShowWindow(hWnd, SW_SHOW);
        UpdateWindow(hWnd);
        // ensure parent never loses focus
        EnableWindow(hParentWnd, TRUE);
        SetActiveWindow(NULL);
    }
    
    timer = SetTimer(
        hWnd, // handle to window
        PD_TIMER_IDENTIFIER, // timer identifier
        millis, // time-out value
        (TIMERPROC) popup_timer_proc // timer procedure 
        );
    
    while( GetMessage(&msg, NULL, 0, 0) ) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);  
    }
    
    return msg.wParam;
} /* show_alert */
1	twoaday	2	/* wptTrayPop.cpp - Alternative status box
2			* Copyright (C) 2002, 2004 Timo Schulz
3			* Copyright (C) 2002 Prasenjeet Dutta. <http://www.chaoszone.org>
4			*
5			* This file is part of WinPT.
6			*
7			* WinPT is free software; you can redistribute it and/or
8			* modify it under the terms of the GNU General Public License
9			* as published by the Free Software Foundation; either version 2
10			* of the License, or (at your option) any later version.
11			*
12			* WinPT is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15			* General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with WinPT; if not, write to the Free Software Foundation,
19			* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20			*
21			*/
22
23			/*
24			* ChangeLog
25			* Maybe I didn't understand how to use the code, but the original code
26			* always produces a window near the taskbar icon. This is not very useful
27			* because we need it near the dialog. I also removed some code we don't use.
28			* -ts
29			*/
30
31			#include <windows.h>
32
33			#define PD_WINDOWNAME "ClsTrayPop"
34			#define PD_TIMER_IDENTIFIER 23
35			#define PD_TIMER_TIMEOUT 1500
36
37			#define PD_TRAYPOP_WIDTH 200
38			#define PD_TRAYPOP_HEIGHT 80
39
40			extern HINSTANCE glob_hinst;
41			extern HWND glob_hwnd;
42
43
44			static LPCTSTR
45			store_text( LPCTSTR alert_text )
46			{
47			static LPCTSTR text;
48
49			if( alert_text )
50			text = alert_text;
51			return text;
52			} /* store_text */
53
54
55			static void
56			paint_alert (HDC p_hdc, PAINTSTRUCT p_ps)
57			{
58			SetBkMode(*p_hdc, TRANSPARENT);
59			HFONT hFont = CreateFont(
60			13, // height of font (in css px-style)
61			0, // average character width
62			0, // angle of escapement
63			0, // base-line orientation angle
64			FW_DONTCARE, // font weight
65			FALSE, // italic attribute option
66			FALSE, // underline attribute option
67			FALSE, // strikeout attribute option
68			// TODO: future i18n problem, see docs
69			DEFAULT_CHARSET, // character set identifier
70			OUT_DEFAULT_PRECIS, // output precision
71			CLIP_DEFAULT_PRECIS, // clipping precision
72			DEFAULT_QUALITY, // output quality
73			FF_DONTCARE, // pitch and family
74			"Tahoma" // typeface name
75			);
76
77			HFONT hOldFont = (HFONT) SelectObject(*p_hdc, hFont);
78			RECT recttext;
79			recttext.top = 0;
80			recttext.bottom = PD_TRAYPOP_HEIGHT - 2;
81			recttext.left = 10;
82			recttext.right = PD_TRAYPOP_WIDTH - 12;
83
84			MoveToEx(*p_hdc, 0, 0, (LPPOINT) NULL);
85			LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, 0);
86			LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, PD_TRAYPOP_HEIGHT - 3);
87			LineTo(*p_hdc, 0, PD_TRAYPOP_HEIGHT - 3);
88			LineTo(*p_hdc, 0, 0);
89
90			UINT dtFormat = DT_END_ELLIPSIS \| DT_NOPREFIX \| DT_WORDBREAK;
91
92			// determine text height
93			int text_height = DrawText(
94			*p_hdc, // handle to DC
95			store_text(NULL), // text to draw
96			-1, // text length // TODO: future i18n problem, see docs
97			&recttext, // formatting dimensions
98			dtFormat \| DT_CENTER \| DT_CALCRECT
99			);
100
101			// vertically center text in the box
102			recttext.top = PD_TRAYPOP_HEIGHT/2 - text_height/2 - 5;
103			recttext.bottom = PD_TRAYPOP_HEIGHT/2 + text_height/2 + 5;
104			recttext.left = 10;
105			recttext.right = PD_TRAYPOP_WIDTH - 12;
106
107			// change over to left-justified from centered, for longer lines
108			(text_height > 30)? (dtFormat \|= DT_LEFT) : (dtFormat \|= DT_CENTER);
109
110			DrawText (*p_hdc,
111			store_text (NULL),
112			-1, // text length // TODO: future i18n problem, see docs
113			&recttext, // formatting dimensions
114			dtFormat);
115
116			hFont = (HFONT) SelectObject(*p_hdc, hOldFont);
117			DeleteObject(hFont);
118			} /* paint_alert */
119
120
121			static LRESULT CALLBACK
122			WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
123			{
124			PAINTSTRUCT ps;
125			HDC hdc;
126
127			switch (msg)
128			{
129			case WM_PAINT:
130			hdc = BeginPaint (hWnd, &ps);
131			paint_alert (&hdc, &ps);
132			EndPaint (hWnd, &ps);
133			break;
134
135			case WM_LBUTTONUP:
136			KillTimer (hWnd, PD_TIMER_IDENTIFIER);
137			PostQuitMessage (1);
138			break;
139
140			case WM_DESTROY:
141			KillTimer (hWnd, PD_TIMER_IDENTIFIER);
142			PostQuitMessage (1);
143			break;
144
145			default:
146			return DefWindowProc (hWnd, msg, wParam, lParam);
147			}
148
149			return 0;
150			} /* WndProc */
151
152
153			static VOID CALLBACK
154			popup_timer_proc( HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
155			{
156			DestroyWindow(hwnd);
157			} /* popup_timer_proc */
158
159
160			static void
161			init_wclass (WNDCLASS *p_wclass, HINSTANCE hInst)
162			{
163			p_wclass->style = CS_HREDRAW \| CS_VREDRAW;
164			p_wclass->lpfnWndProc = WndProc;
165			p_wclass->cbClsExtra = 0;
166			p_wclass->cbWndExtra = 0;
167			p_wclass->hInstance = hInst;
168			p_wclass->hIcon = LoadIcon(hInst, IDI_APPLICATION);
169			p_wclass->hCursor = LoadCursor(NULL, IDC_ARROW);
170			p_wclass->hbrBackground = (HBRUSH) (COLOR_INFOBK + 1);
171			p_wclass->lpszMenuName = NULL;
172			p_wclass->lpszClassName = PD_WINDOWNAME;
173			} /* init_wclass */
174
175
176			int
177			show_msg (HWND hParentWnd, int millis, LPCTSTR string)
178			{
179			RECT parent;
180			int nWndWidth = PD_TRAYPOP_WIDTH;
181			int nWndHeight = PD_TRAYPOP_HEIGHT;
182			MSG msg;
183			HWND hWnd;
184			UINT_PTR timer;
185			WNDCLASS wClass;
186
187			store_text (string);
188			GetWindowRect (hParentWnd, &parent);
189
190			init_wclass (&wClass, glob_hinst);
191			RegisterClass (&wClass);
192
193			hWnd = CreateWindowEx(
194			WS_EX_TOOLWINDOW \| WS_EX_TOPMOST, // extended style
195			PD_WINDOWNAME, // class name
196			PD_WINDOWNAME, // window name
197			WS_POPUP, // window style
198			(parent.right + parent.left) / 2, (parent.bottom + parent.top) / 2,
199			nWndWidth - 2, nWndHeight - 2, // width and height, with corrections
200			NULL, // parent handle
201			NULL, // menu handle
202			glob_hinst, // instance handle
203			NULL // other parameters
204			);
205
206			if (hWnd == NULL)
207			return 0;
208			else {
209			ShowWindow(hWnd, SW_SHOW);
210			UpdateWindow(hWnd);
211			// ensure parent never loses focus
212			EnableWindow(hParentWnd, TRUE);
213			SetActiveWindow(NULL);
214			}
215
216			timer = SetTimer(
217			hWnd, // handle to window
218			PD_TIMER_IDENTIFIER, // timer identifier
219			millis, // time-out value
220			(TIMERPROC) popup_timer_proc // timer procedure
221			);
222
223			while( GetMessage(&msg, NULL, 0, 0) ) {
224			TranslateMessage(&msg);
225			DispatchMessage(&msg);
226			}
227
228			return msg.wParam;
229			} /* show_alert */