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 
 *
 */
#include <windows.h>

#include "wptW32API.h"

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

/* XXX: use the given text to figure out these params. */
#define PD_TRAYPOP_WIDTH        250
#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 */


/* Show the given message in a pop-up window for millis miliseconds. */
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, NULL, glob_hinst, NULL);
        
    
    if (hWnd == NULL)
        return 0;
    else {
        ShowWindow (hWnd, SW_SHOW);
        UpdateWindow (hWnd);
        // ensure parent never loses focus
        EnableWindow (hParentWnd, TRUE);
        center_window (hWnd, hParentWnd);
        SetActiveWindow (NULL);
    }
    
    timer = SetTimer (hWnd, PD_TIMER_IDENTIFIER, millis,
                      (TIMERPROC) popup_timer_proc);
    
    while (GetMessage (&msg, NULL, 0, 0)) {
        TranslateMessage (&msg);
        DispatchMessage (&msg); 
    }
    
    return msg.wParam;
}
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			#include <windows.h>
23
24	twoaday	23	#include "wptW32API.h"
25
26	twoaday	24	#define PD_WINDOWNAME "ClsTrayPop"
27			#define PD_TIMER_IDENTIFIER 23
28			#define PD_TIMER_TIMEOUT 1500
29	twoaday	2
30	twoaday	24	/* XXX: use the given text to figure out these params. */
31			#define PD_TRAYPOP_WIDTH 250
32			#define PD_TRAYPOP_HEIGHT 80
33	twoaday	2
34			extern HINSTANCE glob_hinst;
35			extern HWND glob_hwnd;
36
37
38			static LPCTSTR
39	twoaday	24	store_text (LPCTSTR alert_text)
40	twoaday	2	{
41			static LPCTSTR text;
42
43	twoaday	24	if (alert_text)
44	twoaday	2	text = alert_text;
45			return text;
46			} /* store_text */
47
48
49			static void
50			paint_alert (HDC p_hdc, PAINTSTRUCT p_ps)
51			{
52			SetBkMode(*p_hdc, TRANSPARENT);
53			HFONT hFont = CreateFont(
54			13, // height of font (in css px-style)
55			0, // average character width
56			0, // angle of escapement
57			0, // base-line orientation angle
58			FW_DONTCARE, // font weight
59			FALSE, // italic attribute option
60			FALSE, // underline attribute option
61			FALSE, // strikeout attribute option
62			// TODO: future i18n problem, see docs
63			DEFAULT_CHARSET, // character set identifier
64			OUT_DEFAULT_PRECIS, // output precision
65			CLIP_DEFAULT_PRECIS, // clipping precision
66			DEFAULT_QUALITY, // output quality
67			FF_DONTCARE, // pitch and family
68			"Tahoma" // typeface name
69			);
70
71			HFONT hOldFont = (HFONT) SelectObject(*p_hdc, hFont);
72			RECT recttext;
73			recttext.top = 0;
74			recttext.bottom = PD_TRAYPOP_HEIGHT - 2;
75			recttext.left = 10;
76			recttext.right = PD_TRAYPOP_WIDTH - 12;
77
78			MoveToEx(*p_hdc, 0, 0, (LPPOINT) NULL);
79			LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, 0);
80			LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, PD_TRAYPOP_HEIGHT - 3);
81			LineTo(*p_hdc, 0, PD_TRAYPOP_HEIGHT - 3);
82			LineTo(*p_hdc, 0, 0);
83
84			UINT dtFormat = DT_END_ELLIPSIS \| DT_NOPREFIX \| DT_WORDBREAK;
85
86			// determine text height
87			int text_height = DrawText(
88			*p_hdc, // handle to DC
89			store_text(NULL), // text to draw
90			-1, // text length // TODO: future i18n problem, see docs
91			&recttext, // formatting dimensions
92			dtFormat \| DT_CENTER \| DT_CALCRECT
93			);
94
95			// vertically center text in the box
96			recttext.top = PD_TRAYPOP_HEIGHT/2 - text_height/2 - 5;
97			recttext.bottom = PD_TRAYPOP_HEIGHT/2 + text_height/2 + 5;
98			recttext.left = 10;
99			recttext.right = PD_TRAYPOP_WIDTH - 12;
100
101			// change over to left-justified from centered, for longer lines
102			(text_height > 30)? (dtFormat \|= DT_LEFT) : (dtFormat \|= DT_CENTER);
103
104			DrawText (*p_hdc,
105			store_text (NULL),
106			-1, // text length // TODO: future i18n problem, see docs
107			&recttext, // formatting dimensions
108			dtFormat);
109
110			hFont = (HFONT) SelectObject(*p_hdc, hOldFont);
111			DeleteObject(hFont);
112			} /* paint_alert */
113
114
115			static LRESULT CALLBACK
116			WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
117			{
118			PAINTSTRUCT ps;
119			HDC hdc;
120
121			switch (msg)
122			{
123			case WM_PAINT:
124			hdc = BeginPaint (hWnd, &ps);
125			paint_alert (&hdc, &ps);
126			EndPaint (hWnd, &ps);
127			break;
128
129			case WM_LBUTTONUP:
130			KillTimer (hWnd, PD_TIMER_IDENTIFIER);
131			PostQuitMessage (1);
132			break;
133
134			case WM_DESTROY:
135			KillTimer (hWnd, PD_TIMER_IDENTIFIER);
136			PostQuitMessage (1);
137			break;
138
139			default:
140			return DefWindowProc (hWnd, msg, wParam, lParam);
141			}
142
143			return 0;
144			} /* WndProc */
145
146
147			static VOID CALLBACK
148			popup_timer_proc( HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
149			{
150			DestroyWindow(hwnd);
151			} /* popup_timer_proc */
152
153
154			static void
155			init_wclass (WNDCLASS *p_wclass, HINSTANCE hInst)
156			{
157			p_wclass->style = CS_HREDRAW \| CS_VREDRAW;
158			p_wclass->lpfnWndProc = WndProc;
159			p_wclass->cbClsExtra = 0;
160			p_wclass->cbWndExtra = 0;
161			p_wclass->hInstance = hInst;
162			p_wclass->hIcon = LoadIcon(hInst, IDI_APPLICATION);
163			p_wclass->hCursor = LoadCursor(NULL, IDC_ARROW);
164			p_wclass->hbrBackground = (HBRUSH) (COLOR_INFOBK + 1);
165			p_wclass->lpszMenuName = NULL;
166			p_wclass->lpszClassName = PD_WINDOWNAME;
167			} /* init_wclass */
168
169
170	twoaday	23	/* Show the given message in a pop-up window for millis miliseconds. */
171	twoaday	2	int
172			show_msg (HWND hParentWnd, int millis, LPCTSTR string)
173			{
174			RECT parent;
175			int nWndWidth = PD_TRAYPOP_WIDTH;
176			int nWndHeight = PD_TRAYPOP_HEIGHT;
177			MSG msg;
178			HWND hWnd;
179			UINT_PTR timer;
180			WNDCLASS wClass;
181
182			store_text (string);
183			GetWindowRect (hParentWnd, &parent);
184
185			init_wclass (&wClass, glob_hinst);
186			RegisterClass (&wClass);
187
188			hWnd = CreateWindowEx(
189			WS_EX_TOOLWINDOW \| WS_EX_TOPMOST, // extended style
190			PD_WINDOWNAME, // class name
191			PD_WINDOWNAME, // window name
192			WS_POPUP, // window style
193			(parent.right + parent.left) / 2, (parent.bottom + parent.top) / 2,
194			nWndWidth - 2, nWndHeight - 2, // width and height, with corrections
195	twoaday	24	NULL, NULL, glob_hinst, NULL);
196
197	twoaday	2
198			if (hWnd == NULL)
199	twoaday	24	return 0;
200	twoaday	2	else {
201	twoaday	23	ShowWindow (hWnd, SW_SHOW);
202			UpdateWindow (hWnd);
203	twoaday	2	// ensure parent never loses focus
204	twoaday	23	EnableWindow (hParentWnd, TRUE);
205			center_window (hWnd, hParentWnd);
206			SetActiveWindow (NULL);
207	twoaday	2	}
208
209	twoaday	24	timer = SetTimer (hWnd, PD_TIMER_IDENTIFIER, millis,
210			(TIMERPROC) popup_timer_proc);
211	twoaday	2
212	twoaday	23	while (GetMessage (&msg, NULL, 0, 0)) {
213			TranslateMessage (&msg);
214			DispatchMessage (&msg);
215	twoaday	2	}
216
217			return msg.wParam;
218	twoaday	23	}