dwindows: win/dw.c comparison

comparison win/dw.c @ 69:9510897c0b03

Added new container functions, and implemented some missing functionality.

author	bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date	Mon, 04 Feb 2002 16:04:43 +0000
parents	8d6100960adf
children	291c30a92b9b

comparison

equal deleted inserted replaced

-:8d6100960adf
+:9510897c0b03
 			if(msg == WM_CHAR && (char)mp1 != '\r')
 				break;
 			iItem = ListView_GetNextItem(hWnd, -1, LVNI_FOCUSED);
+			memset(&lvi, 0, sizeof(LV_ITEM));
 			if(iItem > -1)
 			{
 				lvi.iItem = iItem;
 				lvi.mask = LVIF_PARAM;
 				ListView_GetItem(hWnd, &lvi);
 			}
-			else
-				lvi.lParam = (LPARAM)NULL;
 			{
 				SignalHandler *tmp = Root;
 				while(tmp)
 					MapWindowPoints(HWND_DESKTOP, tmp->window, &lhi.pt, 1);
 					iItem = ListView_HitTest(tmp->window, &lhi);
+					memset(&lvi, 0, sizeof(LV_ITEM));
 					if(iItem > -1)
 					{
 						lvi.iItem = iItem;
 						lvi.mask = LVIF_PARAM;
 						ListView_GetItem(tmp->window, &lvi);
 						ListView_SetSelectionMark(tmp->window, iItem);
 					}
-					else
-						lvi.lParam = (LPARAM)NULL;
 					/* Seems to be having lParam as 1 which really sucks */
 					if(lvi.lParam < 100)
 						lvi.lParam = 0;
 */
 HWND dw_container_new(ULONG id)
 {
 	HWND tmp = CreateWindow(WC_LISTVIEW,
 							"",
-							WS_CHILD | LVS_REPORT |
+							WS_CHILD | LVS_REPORT | LVS_SHOWSELALWAYS |
 							LVS_SHAREIMAGELISTS | WS_BORDER |
 							WS_CLIPCHILDREN,
 							0,0,2000,1000,
 							DW_HWND_OBJECT,
 							(HMENU)id,
 */
 HWND dw_tree_new(ULONG id)
 {
 	HWND tmp = CreateWindow(WC_TREEVIEW,
 							"",
-							WS_CHILD | TVS_HASLINES |
+							WS_CHILD | TVS_HASLINES | TVS_SHOWSELALWAYS |
 							TVS_HASBUTTONS | TVS_LINESATROOT |
 							WS_BORDER | WS_CLIPCHILDREN,
 							0,0,2000,1000,
 							DW_HWND_OBJECT,
 							(HMENU)id,
 		l = 1;
 	memcpy(&tempflags[l], flags, sizeof(unsigned long) * count);
 	tempflags[count + l] = 0;
 	cinfo->flags = tempflags;
+	cinfo->columns = count;
 	for(z=0;z<count;z++)
 	{
 		if(titles[z])
 */
 char *dw_container_query_start(HWND handle, unsigned long flags)
 {
 	LV_ITEM lvi;
-if(flags)
+	_index = ListView_GetNextItem(handle, -1, flags);
-		_index = ListView_GetNextItem(handle, -1, LVNI_SELECTED);
-	else
+	if(_index == -1)
-		_index = ListView_GetNextItem(handle, -1, LVNI_ALL);
+		return NULL;
+	memset(&lvi, 0, sizeof(LV_ITEM));
 	lvi.iItem = _index;
 	lvi.mask = LVIF_PARAM;
 	ListView_GetItem(handle, &lvi);
 */
 char *dw_container_query_next(HWND handle, unsigned long flags)
 {
 	LV_ITEM lvi;
-	if(flags)
+	_index = ListView_GetNextItem(handle, _index, flags);
-		_index = ListView_GetNextItem(handle, _index, LVNI_SELECTED);
-	else
-		_index = ListView_GetNextItem(handle, _index, LVNI_ALL);
 	if(_index == -1)
 		return NULL;
+	memset(&lvi, 0, sizeof(LV_ITEM));
 	lvi.iItem = _index;
 	lvi.mask = LVIF_PARAM;
 	ListView_GetItem(handle, &lvi);
 	return (char *)lvi.lParam;
+}
+/*
+* Cursors the item with the text speficied, and scrolls to that item.
+* Parameters:
+*       handle: Handle to the window (widget) to be queried.
+*       text:  Text usually returned by dw_container_query().
+*/
+void dw_container_cursor(HWND handle, char *text)
+{
+	int index = ListView_GetNextItem(handle, -1, LVNI_ALL);
+	while(index != -1)
+	{
+		LV_ITEM lvi;
+		memset(&lvi, 0, sizeof(LV_ITEM));
+		lvi.iItem = index;
+		lvi.mask = LVIF_PARAM;
+		ListView_GetItem(handle, &lvi);
+		if((char *)lvi.lParam == text)
+		{
+			RECT viewport, item;
+			ListView_SetItemState(handle, index, LVIS_FOCUSED | LVIS_SELECTED, LVIS_FOCUSED | LVIS_SELECTED);
+			ListView_EnsureVisible(handle, index, TRUE);
+			return;
+		}
+index = ListView_GetNextItem(handle, index, LVNI_ALL);
+	}
+}
+/*
+* Optimizes the column widths so that all data is visible.
+* Parameters:
+*       handle: Handle to the window (widget) to be optimized.
+*/
+void dw_container_optimize(HWND handle)
+{
+	ContainerInfo *cinfo = (ContainerInfo *)GetWindowLong(handle, GWL_USERDATA);
+	ULONG *flags;
+	LV_ITEM lvi;
+	if(cinfo && cinfo->columns > 0)
+	{
+		int z, index;
+		ULONG *flags = cinfo->flags, *columns = calloc(sizeof(ULONG), cinfo->columns);
+		char *text = malloc(1024);
+		/* Initialize with sizes of column labels */
+		for(z=0;z<cinfo->columns;z++)
+		{
+			if(flags[z] & DW_CFA_BITMAPORICON)
+				columns[z] = 5;
+			else
+			{
+				LVCOLUMN lvc;
+				lvc.mask = LVCF_TEXT;
+				lvc.cchTextMax = 1023;
+				lvc.pszText = text;
+				if(ListView_GetColumn(handle, z, &lvc))
+					columns[z] = ListView_GetStringWidth(handle, lvc.pszText);
+			}
+		}
+		index = ListView_GetNextItem(handle, -1, LVNI_ALL);
+		/* Query all the item texts */
+		while(index != -1)
+		{
+			for(z=0;z<cinfo->columns;z++)
+			{
+				LV_ITEM lvi;
+				memset(&lvi, 0, sizeof(LV_ITEM));
+				lvi.iItem = index;
+				lvi.iSubItem = z;
+				lvi.mask = LVIF_TEXT;
+				lvi.cchTextMax = 1023;
+				lvi.pszText = text;
+				if(ListView_GetItem(handle, &lvi))
+				{
+					int width = ListView_GetStringWidth(handle, lvi.pszText);
+					if(width > columns[z])
+					{
+						if(z == 0)
+							columns[z] = width + 20;
+						else
+							columns[z] = width;
+					}
+				}
+			}
+			index = ListView_GetNextItem(handle, index, LVNI_ALL);
+		}
+		/* Set the new sizes */
+		for(z=0;z<cinfo->columns;z++)
+			ListView_SetColumnWidth(handle, z, columns[z] + 15);
+		free(columns);
+		free(text);
+	}
 }
 /*
 * Creates a rendering context widget (window) to be packed.
 * Parameters:

Mercurial > dwindows

comparison win/dw.c @ 69:9510897c0b03