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 
 *
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <windows.h>

#include "wptW32API.h"

#define PD_WINDOWNAME           "WinPT_TrayPop"
#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;
}


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, store_text (NULL),
                                -1, &recttext,
                                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, &recttext, dtFormat);
    
    hFont = (HFONT) SelectObject(*p_hdc, hOldFont);
    DeleteObject(hFont);
}


/* Window procedure for the message box. */
static LRESULT CALLBACK
window_proc (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;
}


/* Simple timer function which destroys the (message) window . */
static VOID CALLBACK 
popup_timer_proc (HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{       
    DestroyWindow (hwnd);
}


/* Init window class. */
static void 
init_wclass (WNDCLASS *p_wclass, HINSTANCE hInst)
{
    p_wclass->style = CS_HREDRAW | CS_VREDRAW;
    p_wclass->lpfnWndProc = window_proc;
    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;
}


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