82 lines
3.0 KiB
C
82 lines
3.0 KiB
C
/* 28 july 2014 */
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#include "winapi_windows.h"
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#include "_cgo_export.h"
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/* provided for cgo's benefit */
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LPWSTR xWC_LISTVIEW = WC_LISTVIEW;
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static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
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{
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NMHDR *nmhdr = (NMHDR *) lParam;
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NMLVDISPINFOW *fill = (NMLVDISPINFO *) lParam;
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switch (uMsg) {
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case msgNOTIFY:
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switch (nmhdr->code) {
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case LVN_GETDISPINFO:
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/* TODO we could probably copy into the buffer provided by the list view control instead... see LVITEM's docs */
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tableGetCellText((void *) data, fill->item.iItem, fill->item.iSubItem, &(fill->item.pszText));
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return 0;
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}
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return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
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/* the autosize behavior is simple: always autosize until the user manually sizes, then never autosize again (this is my best guess as to how GTK+ behaves) */
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case WM_NOTIFY: /* from the contained header control */
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if (nmhdr->code == HDN_BEGINTRACK)
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tableStopColumnAutosize((void *) data);
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return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
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case WM_SIZE:
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return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
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/* TODO this causes weird issues with regards to item positioning on Windows XP */
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if (tableAutosizeColumns((void *) data)) {
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int i, nColumns;
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nColumns = tableColumnCount((void *) data);
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for (i = 0; i < nColumns; i++)
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if (SendMessageW(hwnd, LVM_SETCOLUMNWIDTH, (WPARAM) i, (LPARAM) LVSCW_AUTOSIZE_USEHEADER) == FALSE)
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xpanic("error resizing columns of results list view", GetLastError());
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}
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return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
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case WM_NCDESTROY:
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if ((*fv_RemoveWindowSubclass)(hwnd, tableSubProc, id) == FALSE)
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xpanic("error removing Table subclass (which was for its own event handler)", GetLastError());
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return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
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default:
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return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
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}
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xmissedmsg("Button", "tableSubProc()", uMsg);
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return 0; /* unreached */
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}
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void setTableSubclass(HWND hwnd, void *data)
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{
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if ((*fv_SetWindowSubclass)(hwnd, tableSubProc, 0, (DWORD_PTR) data) == FALSE)
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xpanic("error subclassing Table to give it its own event handler", GetLastError());
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}
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void tableAppendColumn(HWND hwnd, int index, LPWSTR name)
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{
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LVCOLUMNW col;
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ZeroMemory(&col, sizeof (LVCOLUMNW));
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col.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_ORDER;
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col.fmt = LVCFMT_LEFT;
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col.pszText = name;
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col.iSubItem = index;
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col.iOrder = index;
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if (SendMessageW(hwnd, LVM_INSERTCOLUMN, (WPARAM) index, (LPARAM) (&col)) == (LRESULT) -1)
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xpanic("error adding column to Table", GetLastError());
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}
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void tableUpdate(HWND hwnd, int nItems)
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{
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if (SendMessageW(hwnd, LVM_SETITEMCOUNT, (WPARAM) nItems, 0) == 0)
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xpanic("error setting number of items in Table", GetLastError());
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}
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void tableAddExtendedStyles(HWND hwnd, LPARAM styles)
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{
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/* the bits of WPARAM specify which bits of LPARAM to look for; having WPARAM == LPARAM ensures that only the bits we want to add are affected */
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SendMessageW(hwnd, LVM_SETEXTENDEDLISTVIEWSTYLE, (WPARAM) styles, styles);
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}
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