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Started writing the framework for having each Table on Windows to maintain their own checkbox image list. This will be needed to properly handle WM_THEMECHANGED.

This commit is contained in:
Pietro Gagliardi 2014-08-25 02:36:32 -04:00
parent edcca3d5be
commit 3b5e8f5e7d
1 changed files with 23 additions and 8 deletions
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31
redo/table_windows.c
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@ -25,17 +25,24 @@ static void handle(HWND hwnd, WPARAM wParam, LPARAM lParam, void (*handler)(void
(*handler)(data, ht.iItem, ht.iSubItem); (*handler)(data, ht.iItem, ht.iSubItem);
} }
struct tableData {
void *gotable;
HTHEME theme;
HIMAGELIST checkboxImageList;
};
static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data) static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{ {
NMHDR *nmhdr = (NMHDR *) lParam; NMHDR *nmhdr = (NMHDR *) lParam;
NMLVDISPINFOW *fill = (NMLVDISPINFO *) lParam; NMLVDISPINFOW *fill = (NMLVDISPINFO *) lParam;
NMLISTVIEW *nlv = (NMLISTVIEW *) lParam; NMLISTVIEW *nlv = (NMLISTVIEW *) lParam;
struct tableData *t = (struct tableData *) data;
switch (uMsg) { switch (uMsg) {
case msgNOTIFY: case msgNOTIFY:
switch (nmhdr->code) { switch (nmhdr->code) {
case LVN_GETDISPINFO: case LVN_GETDISPINFO:
tableGetCell((void *) data, &(fill->item)); tableGetCell(t->gotable, &(fill->item));
return 0; return 0;
case LVN_ITEMCHANGED: case LVN_ITEMCHANGED:
if ((nlv->uChanged & LVIF_STATE) == 0) if ((nlv->uChanged & LVIF_STATE) == 0)
@ -43,34 +50,35 @@ static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM
// if both old and new states have the same value for the selected bit, then the selection state did not change, regardless of selected or deselected // if both old and new states have the same value for the selected bit, then the selection state did not change, regardless of selected or deselected
if ((nlv->uOldState & LVIS_SELECTED) == (nlv->uNewState & LVIS_SELECTED)) if ((nlv->uOldState & LVIS_SELECTED) == (nlv->uNewState & LVIS_SELECTED))
break; break;
tableSelectionChanged((void *) data); tableSelectionChanged(t->gotable);
return 0; return 0;
} }
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_MOUSEMOVE: case WM_MOUSEMOVE:
handle(hwnd, wParam, lParam, tableSetHot, (void *) data); handle(hwnd, wParam, lParam, tableSetHot, t->gotable);
// and let the list view do its thing // and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_LBUTTONDOWN: case WM_LBUTTONDOWN:
case WM_LBUTTONDBLCLK: // listviews have CS_DBLCICKS; check this to better mimic the behavior of a real checkbox case WM_LBUTTONDBLCLK: // listviews have CS_DBLCICKS; check this to better mimic the behavior of a real checkbox
handle(hwnd, wParam, lParam, tablePushed, (void *) data); handle(hwnd, wParam, lParam, tablePushed, t->gotable);
// and let the list view do its thing // and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_LBUTTONUP: case WM_LBUTTONUP:
handle(hwnd, wParam, lParam, tableToggled, (void *) data); handle(hwnd, wParam, lParam, tableToggled, t->gotable);
// and let the list view do its thing // and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_MOUSELEAVE: case WM_MOUSELEAVE:
// TODO doesn't work // TODO doesn't work
tablePushed((void *) data, -1, -1); // in case button held as drag out tablePushed(t->gotable, -1, -1); // in case button held as drag out
// and let the list view do its thing // and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
// see table.autoresize() in table_windows.go for the column autosize policy // see table.autoresize() in table_windows.go for the column autosize policy
case WM_NOTIFY: // from the contained header control case WM_NOTIFY: // from the contained header control
if (nmhdr->code == HDN_BEGINTRACK) if (nmhdr->code == HDN_BEGINTRACK)
tableStopColumnAutosize((void *) data); tableStopColumnAutosize(t->gotable);
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_NCDESTROY: case WM_NCDESTROY:
free(t);
if ((*fv_RemoveWindowSubclass)(hwnd, tableSubProc, id) == FALSE) if ((*fv_RemoveWindowSubclass)(hwnd, tableSubProc, id) == FALSE)
xpanic("error removing Table subclass (which was for its own event handler)", GetLastError()); xpanic("error removing Table subclass (which was for its own event handler)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
@ -83,7 +91,14 @@ static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM
void setTableSubclass(HWND hwnd, void *data) void setTableSubclass(HWND hwnd, void *data)
{ {
if ((*fv_SetWindowSubclass)(hwnd, tableSubProc, 0, (DWORD_PTR) data) == FALSE) struct tableData *t;
t = (struct tableData *) malloc(sizeof (struct tableData *));
if (t == NULL)
xpanic("error allocating structure for Table extra data", GetLastError());
ZeroMemory(t, sizeof (struct tableData));
t->gotable = data;
if ((*fv_SetWindowSubclass)(hwnd, tableSubProc, 0, (DWORD_PTR) t) == FALSE)
xpanic("error subclassing Table to give it its own event handler", GetLastError()); xpanic("error subclassing Table to give it its own event handler", GetLastError());
} }