Mercurial > dwindows

comparison win/dw.c @ 496:33a266db534b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don't use globals for keeping track of dw_container_query*() loops, allows for concurrent loops from different threads.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Fri, 12 Dec 2003 05:19:36 +0000
parents 477de19f14af
children 56ea525c1a24
comparison
equal deleted inserted replaced
495:477de19f14af 496:33a266db534b
80 void *data; 80 void *data;
81 81
82 } SignalHandler; 82 } SignalHandler;
83 83
84 SignalHandler *Root = NULL; 84 SignalHandler *Root = NULL;
85 int _index;
86 85
87 typedef struct 86 typedef struct
88 { 87 {
89 ULONG message; 88 ULONG message;
90 char name[30]; 89 char name[30];
6757 * handle: Handle to the window (widget) to be deleted from. 6756 * handle: Handle to the window (widget) to be deleted from.
6758 * rowcount: The number of rows to be deleted. 6757 * rowcount: The number of rows to be deleted.
6759 */ 6758 */
6760 void API dw_container_delete(HWND handle, int rowcount) 6759 void API dw_container_delete(HWND handle, int rowcount)
6761 { 6760 {
6762 int z; 6761 int z, _index = (int)dw_window_get_data(handle, "_dw_index");
6763 6762
6764 for(z=0;z<rowcount;z++) 6763 for(z=0;z<rowcount;z++)
6765 { 6764 {
6766 ListView_DeleteItem(handle, 0); 6765 ListView_DeleteItem(handle, 0);
6767 } 6766 }
6768 if(rowcount > _index) 6767 if(rowcount > _index)
6769 _index = 0; 6768 dw_window_set_data(handle, "_dw_index", 0);
6770 else 6769 else
6771 _index -= rowcount; 6770 dw_window_set_data(handle, "_dw_index", (void *)(_index - rowcount));
6772 } 6771 }
6773 6772
6774 /* 6773 /*
6775 * Scrolls container up or down. 6774 * Scrolls container up or down.
6776 * Parameters: 6775 * Parameters:
6801 * it will return all records in the container. 6800 * it will return all records in the container.
6802 */ 6801 */
6803 char * API dw_container_query_start(HWND handle, unsigned long flags) 6802 char * API dw_container_query_start(HWND handle, unsigned long flags)
6804 { 6803 {
6805 LV_ITEM lvi; 6804 LV_ITEM lvi;
6806 6805 int _index = ListView_GetNextItem(handle, -1, flags);
6807 _index = ListView_GetNextItem(handle, -1, flags);
6808 6806
6809 if(_index == -1) 6807 if(_index == -1)
6810 return NULL; 6808 return NULL;
6811 6809
6812 memset(&lvi, 0, sizeof(LV_ITEM)); 6810 memset(&lvi, 0, sizeof(LV_ITEM));
6814 lvi.iItem = _index; 6812 lvi.iItem = _index;
6815 lvi.mask = LVIF_PARAM; 6813 lvi.mask = LVIF_PARAM;
6816 6814
6817 ListView_GetItem(handle, &lvi); 6815 ListView_GetItem(handle, &lvi);
6818 6816
6817 dw_window_set_data(handle, "_dw_index", (void *)_index);
6819 return (char *)lvi.lParam; 6818 return (char *)lvi.lParam;
6820 } 6819 }
6821 6820
6822 /* 6821 /*
6823 * Continues an existing query of a container. 6822 * Continues an existing query of a container.
6828 * it will return all records in the container. 6827 * it will return all records in the container.
6829 */ 6828 */
6830 char * API dw_container_query_next(HWND handle, unsigned long flags) 6829 char * API dw_container_query_next(HWND handle, unsigned long flags)
6831 { 6830 {
6832 LV_ITEM lvi; 6831 LV_ITEM lvi;
6832 int _index = (int)dw_window_get_data(handle, "_dw_index");
6833 6833
6834 _index = ListView_GetNextItem(handle, _index, flags); 6834 _index = ListView_GetNextItem(handle, _index, flags);
6835 6835
6836 if(_index == -1) 6836 if(_index == -1)
6837 return NULL; 6837 return NULL;
6841 lvi.iItem = _index; 6841 lvi.iItem = _index;
6842 lvi.mask = LVIF_PARAM; 6842 lvi.mask = LVIF_PARAM;
6843 6843
6844 ListView_GetItem(handle, &lvi); 6844 ListView_GetItem(handle, &lvi);
6845 6845
6846 dw_window_set_data(handle, "_dw_index", (void *)_index);
6846 return (char *)lvi.lParam; 6847 return (char *)lvi.lParam;
6847 } 6848 }
6848 6849
6849 /* 6850 /*
6850 * Cursors the item with the text speficied, and scrolls to that item. 6851 * Cursors the item with the text speficied, and scrolls to that item.
6901 6902
6902 ListView_GetItem(handle, &lvi); 6903 ListView_GetItem(handle, &lvi);
6903 6904
6904 if((char *)lvi.lParam == text) 6905 if((char *)lvi.lParam == text)
6905 { 6906 {
6907 int _index = (int)dw_window_get_data(handle, "_dw_index");
6908
6906 if(index < _index) 6909 if(index < _index)
6907 _index--; 6910 dw_window_set_data(handle, "_dw_index", (void *)(_index - 1));
6908 6911
6909 ListView_DeleteItem(handle, index); 6912 ListView_DeleteItem(handle, index);
6910 return; 6913 return;
6911 } 6914 }
6912 6915