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comparison win/dw.c @ 211:e57c182cac64

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Automatically scroll when getting PAGE and LINE messages, not just track messages.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Sat, 01 Feb 2003 11:28:43 +0000
parents 85f25e8c1b1e
children 13d3de3f1e83
comparison
equal deleted inserted replaced
210:b9c7b762c104 211:e57c182cac64
1195 usedpadx = usedpady = usedx = usedy = depth = 0; 1195 usedpadx = usedpady = usedx = usedy = depth = 0;
1196 1196
1197 _resize_box(thisbox, &depth, x, y, &usedx, &usedy, 2, &usedpadx, &usedpady); 1197 _resize_box(thisbox, &depth, x, y, &usedx, &usedy, 2, &usedpadx, &usedpady);
1198 } 1198 }
1199 } 1199 }
1200 }
1201
1202 int _HandleScroller(HWND handle, int pos, int which)
1203 {
1204 SCROLLINFO si;
1205
1206 si.cbSize = sizeof(SCROLLINFO);
1207 si.fMask = SIF_ALL;
1208
1209 SendMessage(handle, SBM_GETSCROLLINFO, 0, (LPARAM)&si);
1210
1211 switch(which)
1212 {
1213 case SB_THUMBTRACK:
1214 return pos;
1215 /*case SB_PAGEDOWN:*/
1216 case SB_PAGELEFT:
1217 pos = si.nPos - si.nPage;
1218 if(pos < si.nMin)
1219 pos = si.nMin;
1220 return pos;
1221 /*case SB_PAGEUP:*/
1222 case SB_PAGERIGHT:
1223 pos = si.nPos + si.nPage;
1224 if(pos > (si.nMax - si.nPage) + 1)
1225 pos = (si.nMax - si.nPage) + 1;
1226 return pos;
1227 /*case SB_LINEDOWN:*/
1228 case SB_LINELEFT:
1229 pos = si.nPos - 1;
1230 if(pos < si.nMin)
1231 pos = si.nMin;
1232 return pos;
1233 /*case SB_LINEUP:*/
1234 case SB_LINERIGHT:
1235 pos = si.nPos + 1;
1236 if(pos > (si.nMax - si.nPage) + 1)
1237 pos = (si.nMax - si.nPage) + 1;
1238 return pos;
1239 }
1240 return -1;
1200 } 1241 }
1201 1242
1202 /* The main window procedure for Dynamic Windows, all the resizing code is done here. */ 1243 /* The main window procedure for Dynamic Windows, all the resizing code is done here. */
1203 BOOL CALLBACK _wndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2) 1244 BOOL CALLBACK _wndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2)
1204 { 1245 {
1527 tmp = NULL; 1568 tmp = NULL;
1528 } 1569 }
1529 } 1570 }
1530 else if(strnicmp(tmpbuf, SCROLLBARCLASSNAME, strlen(SCROLLBARCLASSNAME)+1)==0) 1571 else if(strnicmp(tmpbuf, SCROLLBARCLASSNAME, strlen(SCROLLBARCLASSNAME)+1)==0)
1531 { 1572 {
1532 if(handle == tmp->window && LOWORD(mp1) == SB_THUMBTRACK) 1573 if(handle == tmp->window)
1533 { 1574 {
1534 int value = (int)HIWORD(mp1); 1575 int value = _HandleScroller(handle, (int)HIWORD(mp1), (int)LOWORD(mp1));
1535 1576
1536 dw_scrollbar_set_pos(tmp->window, value); 1577 if(value > -1)
1537 result = valuechangefunc(tmp->window, value, tmp->data); 1578 {
1579 dw_scrollbar_set_pos(tmp->window, value);
1580 result = valuechangefunc(tmp->window, value, tmp->data);
1581 }
1538 tmp = NULL; 1582 tmp = NULL;
1583 msg = 0;
1539 } 1584 }
1540 } 1585 }
1541 } 1586 }
1542 break; 1587 break;
1543 } 1588 }
1626 case WM_HSCROLL: 1671 case WM_HSCROLL:
1627 case WM_VSCROLL: 1672 case WM_VSCROLL:
1628 { 1673 {
1629 HWND handle = (HWND)mp2; 1674 HWND handle = (HWND)mp2;
1630 1675
1631 if(dw_window_get_data(handle, "_dw_scrollbar") && LOWORD(mp1) == SB_THUMBTRACK) 1676 if(dw_window_get_data(handle, "_dw_scrollbar"))
1632 { 1677 {
1633 int value = (int)HIWORD(mp1); 1678 int value = _HandleScroller(handle, (int)HIWORD(mp1), (int)LOWORD(mp1));
1634 dw_scrollbar_set_pos(handle, value); 1679
1680 if(value > -1)
1681 dw_scrollbar_set_pos(handle, value);
1635 } 1682 }
1636 } 1683 }
1637 break; 1684 break;
1638 case WM_GETMINMAXINFO: 1685 case WM_GETMINMAXINFO:
1639 { 1686 {