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