source: trunk/Lucide/SOURCE/gui/progressDlg.cpp @ 285

Last change on this file since 285 was 138, checked in by Eugene Romanenko, 14 years ago

Better solution for #78, move GUI to DLL, executor sets BeginLibPath? and loads GUI DLL (closes #78)

File size: 8.3 KB
Line 
1/* ***** BEGIN LICENSE BLOCK *****
2 * Version: CDDL 1.0/LGPL 2.1
3 *
4 * The contents of this file are subject to the COMMON DEVELOPMENT AND
5 * DISTRIBUTION LICENSE (CDDL) Version 1.0 (the "License"); you may not use
6 * this file except in compliance with the License. You may obtain a copy of
7 * the License at http://www.sun.com/cddl/
8 *
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
12 * License.
13 *
14 * The Initial Developer of the Original Code is
15 * Eugene Romanenko, netlabs.org.
16 * Portions created by the Initial Developer are Copyright (C) 2006
17 * the Initial Developer. All Rights Reserved.
18 *
19 * Contributor(s):
20 *
21 * Alternatively, the contents of this file may be used under the terms of
22 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
23 * in which case the provisions of the LGPL are applicable instead of those
24 * above. If you wish to allow use of your version of this file only under the
25 * terms of the LGPL, and not to allow others to use your version of this file
26 * under the terms of the CDDL, indicate your decision by deleting the
27 * provisions above and replace them with the notice and other provisions
28 * required by the LGPL. If you do not delete the provisions above, a recipient
29 * may use your version of this file under the terms of any one of the CDDL
30 * or the LGPL.
31 *
32 * ***** END LICENSE BLOCK ***** */
33
34
35#define INCL_GPI
36#define INCL_WIN
37#include <os2.h>
38
39#include <process.h>
40#include <stdio.h>
41
42#include "globals.h"
43#include "luutils.h"
44#include "progressDlg.h"
45#include "Lucide_res.h"
46#include "messages.h"
47
48#define TID_PAINT   1
49
50
51ProgressDlg::ProgressDlg( HWND hWndFrame )
52{
53    hFrame      = hWndFrame;
54    text        = newstrdup( "" );
55    threadFn    = NULL;
56    threadData  = NULL;
57    fn          = NULL;
58    data        = NULL;
59    pOldBarProc = NULL;
60    hpsBuffer   = NULLHANDLE;
61    hdcBuffer   = NULLHANDLE;
62    startPos    = 0;
63}
64
65ProgressDlg::~ProgressDlg()
66{
67    delete text;
68}
69
70void ProgressDlg::show( progressThreadFn _threadFn, void *_threadData )
71{
72    threadFn = _threadFn;
73    threadData = _threadData;
74    WinDlgBox( HWND_DESKTOP, hFrame, progressDlgProc,
75               _hmod, IDD_PROGRESS, this );
76}
77
78void ProgressDlg::hide()
79{
80    if ( hDialog != NULLHANDLE ) {
81        WinPostMsg( hDialog, WM_COMMAND, MPFROMSHORT( DID_OK ), (MPARAM)0 );
82    }
83}
84
85void ProgressDlg::setBreakFunc( progressBrkFn _fn, void *_data )
86{
87    fn   = _fn;
88    data = _data;
89}
90
91void ProgressDlg::setText( const char *_text )
92{
93    delete text;
94    text = newstrdup( _text );
95    if ( hDialog != NULLHANDLE ) {
96        WinSetDlgItemText( hDialog, IDC_PTEXT, text );
97    }
98}
99
100MRESULT EXPENTRY ProgressDlg::progressDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 )
101{
102    // This is a static method, so we don't know which instantiation we're
103    // dealing with. But we can get a pseudo-this from the parameter to
104    // WM_INITDLG, which we therafter store with the window and retrieve
105    // as follows:
106    ProgressDlg *_this = (ProgressDlg *)WinQueryWindowULong( hwnd, QWL_USER );
107
108    switch (msg)
109    {
110
111        // Dialog has just been created
112        case WM_INITDLG:
113        {
114            // Save the mp2 into our user data so that subsequent calls have
115            // access to the parent C++ object
116            WinSetWindowULong( hwnd, QWL_USER, (ULONG)mp2 );
117            _this = (ProgressDlg *)mp2;
118            localizeDialog( hwnd );
119            centerWindow( _this->hFrame, hwnd );
120
121            _this->hDialog = hwnd;
122            WinSetDlgItemText( hwnd, IDC_PTEXT, _this->text );
123            WinEnableControl( hwnd, DID_CANCEL, _this->fn != NULL );
124
125            _this->startPos = 0;
126            HWND hBar = WinWindowFromID( hwnd, IDC_PBAR );
127            HAB hBarHab = WinQueryAnchorBlock( hBar );
128
129            if ( ( _this->hpsBuffer != NULLHANDLE ) &&
130                 ( _this->hdcBuffer != NULLHANDLE ) ) {
131                DestroyGraphicsBuffer( _this->hpsBuffer, _this->hdcBuffer );
132                _this->hpsBuffer = _this->hdcBuffer = NULLHANDLE;
133            }
134
135            RECTL rcl;
136            WinQueryWindowRect( hBar, &rcl );
137            HPS hps = WinGetPS( hBar );
138            CreateGraphicsBuffer( hBarHab, &rcl, hps, &_this->hpsBuffer, &_this->hdcBuffer );
139            WinReleasePS( hps );
140
141            WinSetWindowULong( hBar, QWL_USER, (ULONG)_this );
142            _this->pOldBarProc = WinSubclassWindow( hBar, progressBarProc );
143            WinStartTimer( hBarHab, hBar, TID_PAINT, 1 );
144           
145            _beginthread( _this->threadFn, NULL, 262144, _this->threadData );
146
147            return (MRESULT)FALSE;
148        }
149
150        case WM_DESTROY:
151        {
152            _this->hDialog = NULLHANDLE;
153            if ( ( _this->hpsBuffer != NULLHANDLE ) &&
154                 ( _this->hdcBuffer != NULLHANDLE ) ) {
155                DestroyGraphicsBuffer( _this->hpsBuffer, _this->hdcBuffer );
156                _this->hpsBuffer = _this->hdcBuffer = NULLHANDLE;
157            }
158        }
159        break;
160
161        case WM_COMMAND:
162            switch (SHORT1FROMMP(mp1))
163            {
164                case DID_OK:
165                    WinDismissDlg( hwnd, DID_OK );
166                    return (MRESULT)FALSE;
167
168                case DID_CANCEL:
169                    WinEnableControl( hwnd, DID_CANCEL, FALSE );
170                    if ( _this->fn != NULL ) {
171                        _this->fn( _this->data );
172                    }
173                    return (MRESULT)FALSE;
174            };
175            return (MRESULT)FALSE;
176    }
177    return WinDefDlgProc( hwnd, msg, mp1, mp2 );
178}
179
180#define SHAPE_LEN   30
181
182MRESULT EXPENTRY ProgressDlg::progressBarProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 )
183{
184    ProgressDlg *_this = (ProgressDlg *)WinQueryWindowULong( hwnd, QWL_USER );
185
186    switch ( msg )
187    {
188        case WM_PAINT:
189            _this->wmPaintBar( hwnd );
190            return (MRESULT)FALSE;
191
192        case WM_TIMER:
193            if ( SHORT1FROMMP( mp1 ) == TID_PAINT )
194            {
195                WinInvalidateRect( hwnd, NULL, FALSE );
196                _this->startPos += 3;
197                if ( _this->startPos > ( ( SHAPE_LEN * 2 ) - 1 ) ) {
198                    _this->startPos = 0;
199                }
200            }
201            break;
202    }
203    return _this->pOldBarProc( hwnd, msg, mp1, mp2 );
204}
205
206void ProgressDlg::drawShape( HPS hps, PRECTL r )
207{
208    POINTL ptlStart, ptlEnd;
209    ptlStart.x = r->xLeft;      // x coordinate, lower-left corner of box
210    ptlStart.y = r->yBottom;    // y coordinate, lower-left corner of box
211    ptlEnd.x   = r->xRight;     // x coordinate, upper-right corner of box
212    ptlEnd.y   = r->yTop;       // y coordinate, upper-right corner of box
213    GpiMove( hps, &ptlStart );
214    GpiBox( hps, DRO_FILL, &ptlEnd, 0, 0 ); // Draw sheared box
215}
216
217void ProgressDlg::wmPaintBar( HWND hwnd )
218{
219    RECTL rcl;
220    HPS hps = WinBeginPaint( hwnd, 0, NULL );
221    WinQueryWindowRect( hwnd, &rcl );
222
223    // 161,192,224
224    LONG lclr1 = ( 161 << 16 ) | ( 192 << 8 ) | 224;
225    LONG lclr2 = ( 121 << 16 ) | ( 144 << 8 ) | 168;
226    LONG ltabl[ 2 ] = { lclr1, lclr2 };
227    GpiCreateLogColorTable( hpsBuffer, 0, LCOLF_CONSECRGB, 100, 2, ltabl );
228    WinFillRect( hpsBuffer, &rcl, 100 );
229    GpiSetColor( hpsBuffer, 101 );
230
231    MATRIXLF matlfTransform;
232    matlfTransform.fxM11 = MAKEFIXED( 1, 0 );
233    matlfTransform.fxM12 = MAKEFIXED( 0, 0 );
234    matlfTransform.lM13  = 0;
235    matlfTransform.fxM21 = MAKEFIXED( 0, 65536 / 2 );  // Shear factor .5
236    matlfTransform.fxM22 = MAKEFIXED( 1, 0 );
237    matlfTransform.lM23  = 0;
238    matlfTransform.lM31  = 0;               // Translate 0 units right
239    matlfTransform.lM32  = 0;
240    matlfTransform.lM33  = 1;
241    GpiSetDefaultViewMatrix( hpsBuffer, 9, &matlfTransform, TRANSFORM_REPLACE );
242
243    LONG xPos = startPos - ( SHAPE_LEN * 2 );
244    for ( ; xPos < rcl.xRight; xPos += ( SHAPE_LEN * 2 ) )
245    {
246        RECTL r = { xPos, rcl.yBottom, xPos + SHAPE_LEN, rcl.yTop - 1 };
247        drawShape( hpsBuffer, &r );
248    }
249
250    BlitGraphicsBuffer( hps, hpsBuffer, &rcl );
251    WinEndPaint( hps );
252}
253
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