static LRESULT CALLBACK groupSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
LRESULT lResult;
RECT r;
if (sharedWndProc(hwnd, uMsg, wParam, lParam, &lResult))
return lResult;
switch (uMsg) {
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
// don't use the WINDOWPOS rect here; the coordinates of the controls have to be in real client coordinates
if (GetClientRect(hwnd, &r) == 0)
xpanic("error getting client rect of Group for resizing its child Control", GetLastError());
groupResized((void *) data, r);
// and chain up
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_NCDESTROY:
if ((*fv_RemoveWindowSubclass)(hwnd, groupSubProc, id) == FALSE)
xpanic("error removing Group subclass (which was for its own event handler)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
default:
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
}
xmissedmsg("Group", "groupSubProc()", uMsg);
return 0; // unreached
}
void paintControlBackground(HWND hwnd, HDC dc)
{
HWND parent;
RECT r;
POINT p, pOrig;
parent = hwnd;
for (;;) {
parent = GetParent(parent);
if (parent == NULL)
xpanic("error getting parent control of control in paintControlBackground()", GetLastError());
// wine sends these messages early, yay...
if (parent == msgwin)
return;
// skip groupboxes; they're (supposed to be) transparent
if (windowClassOf(parent, L"button", NULL) != 0)
break;
}
if (GetWindowRect(hwnd, &r) == 0)
xpanic("error getting control's window rect in paintControlBackground()", GetLastError());
// the above is a window rect; convert to client rect
p.x = r.left;
p.y = r.top;
if (ScreenToClient(parent, &p) == 0)
xpanic("error getting client origin of control in paintControlBackground()", GetLastError());
if (SetWindowOrgEx(dc, p.x, p.y, &pOrig) == 0)
xpanic("error moving window origin in paintControlBackground()", GetLastError());
SendMessageW(parent, WM_PRINTCLIENT, (WPARAM) dc, PRF_CLIENT);
if (SetWindowOrgEx(dc, pOrig.x, pOrig.y, NULL) == 0)
xpanic("error resetting window origin in paintControlBackground()", GetLastError());
}
static HIMAGELIST newCheckboxImageList(HWND hwnddc, void (*sizefunc)(HDC, int *, int *, HTHEME), void (*drawfunc)(HDC, RECT *, int, HTHEME), HTHEME theme)
{
int width, height;
int cbState;
HDC dc;
HIMAGELIST il;
dc = GetDC(hwnddc);
if (dc == NULL)
xpanic("error getting DC for making the checkbox image list", GetLastError());
(*sizefunc)(dc, &width, &height, theme);
il = (*fv_ImageList_Create)(width, height, ILC_COLOR32, 20, 20); // should be reasonable
if (il == NULL)
xpanic("error creating checkbox image list", GetLastError());
for (cbState = 0; cbState < checkboxnStates; cbState++) {
HBITMAP bitmap;
bitmap = makeCheckboxImageListEntry(dc, width, height, cbState, drawfunc, theme);
if ((*fv_ImageList_Add)(il, bitmap, NULL) == -1)
xpanic("error adding checkbox image to image list", GetLastError());
if (DeleteObject(bitmap) == 0)
xpanic("error deleting checkbox bitmap", GetLastError());
}
if (ReleaseDC(hwnddc, dc) == 0)
xpanic("error deleting checkbox image list DC", GetLastError());
return il;
}
void applyImageList(HWND hwnd, UINT uMsg, WPARAM wParam, HIMAGELIST il, HIMAGELIST old)
{
if (SendMessageW(hwnd, uMsg, wParam, (LPARAM) il) != (LRESULT) old)
xpanic("error setting image list", GetLastError());
if (old != NULL && (*fv_ImageList_Destroy)(old) == 0)
xpanic("error freeing old checkbox image list", GetLastError());
}
void repaintArea(HWND hwnd, RECT *r)
{
// NULL - the whole area; TRUE - have windows erase if possible
if (InvalidateRect(hwnd, r, TRUE) == 0)
xpanic("error flagging Area as needing repainting after event", GetLastError());
if (UpdateWindow(hwnd) == 0)
xpanic("error repainting Area after event", GetLastError());
}
void textfieldSetAndShowInvalidBalloonTip(HWND hwnd, WCHAR *text)
{
EDITBALLOONTIP ti;
ZeroMemory(&ti, sizeof (EDITBALLOONTIP));
ti.cbStruct = sizeof (EDITBALLOONTIP);
ti.pszTitle = L"Invalid Input"; // TODO this is necessary for the icon to show up; figure out some language-neutral thing
ti.pszText = text;
ti.ttiIcon = TTI_ERROR;
if (SendMessageW(hwnd, EM_SHOWBALLOONTIP, 0, (LPARAM) (&ti)) == FALSE)
xpanic("error showing TextField.Invalid() balloon tip", GetLastError());
if (MessageBeep(0xFFFFFFFF) == 0)
xpanic("error beeping in response to TextField.Invalid()", GetLastError());
}
HWND newAreaTextField(HWND area, void *goarea)
{
HWND tf;
tf = CreateWindowExW(textfieldExtStyle,
L"edit", L"",
textfieldStyle | WS_CHILD,
0, 0, 0, 0,
area, NULL, hInstance, NULL);
if (tf == NULL)
xpanic("error making Area TextField", GetLastError());
if ((*fv_SetWindowSubclass)(tf, areaTextFieldSubProc, 0, (DWORD_PTR) goarea) == FALSE)
xpanic("error subclassing Area TextField to give it its own WM_KILLFOCUS handler", GetLastError());
return tf;
}
static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
NMHDR *nmhdr = (NMHDR *) lParam;
NMLVDISPINFOW *fill = (NMLVDISPINFO *) lParam;
switch (uMsg) {
case msgNOTIFY:
switch (nmhdr->code) {
case LVN_GETDISPINFO:
tableGetCellText((void *) data, fill->item.iItem, fill->item.iSubItem, &(fill->item.pszText));
return 0;
}
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
// see table.autoresize() in table_windows.go for the column autosize policy
case WM_NOTIFY: // from the contained header control
if (nmhdr->code == HDN_BEGINTRACK)
tableStopColumnAutosize((void *) data);
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_NCDESTROY:
if ((*fv_RemoveWindowSubclass)(hwnd, tableSubProc, id) == FALSE)
xpanic("error removing Table subclass (which was for its own event handler)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
default:
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
}
xmissedmsg("Button", "tableSubProc()", uMsg);
return 0; // unreached
}
static LRESULT CALLBACK checkboxSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
switch (uMsg) {
case msgCOMMAND:
if (HIWORD(wParam) == BN_CLICKED) {
WPARAM check;
// we didn't use BS_AUTOCHECKBOX (see controls_windows.go) so we have to manage the check state ourselves
check = BST_CHECKED;
if (SendMessage(hwnd, BM_GETCHECK, 0, 0) == BST_CHECKED)
check = BST_UNCHECKED;
SendMessage(hwnd, BM_SETCHECK, check, 0);
checkboxToggled((void *) data);
return 0;
}
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_NCDESTROY:
if ((*fv_RemoveWindowSubclass)(hwnd, checkboxSubProc, id) == FALSE)
xpanic("error removing Checkbox subclass (which was for its own event handler)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
default:
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
}
xmissedmsg("Checkbox", "checkboxSubProc()", uMsg);
return 0; // unreached
}
void textfieldSetAndShowInvalidBalloonTip(HWND hwnd, WCHAR *text)
{
EDITBALLOONTIP ti;
ZeroMemory(&ti, sizeof (EDITBALLOONTIP));
ti.cbStruct = sizeof (EDITBALLOONTIP);
// this is required to show the error icon
// this probably should be localized...
ti.pszTitle = L"Invalid Input";
ti.pszText = text;
ti.ttiIcon = TTI_ERROR;
if (SendMessageW(hwnd, EM_SHOWBALLOONTIP, 0, (LPARAM) (&ti)) == FALSE)
xpanic("error showing TextField.Invalid() balloon tip", GetLastError());
if (MessageBeep(0xFFFFFFFF) == 0)
xpanic("error beeping in response to TextField.Invalid()", GetLastError());
}
// this is a helper function that takes the logic of determining window classes and puts it all in one place
// there are a number of places where we need to know what window class an arbitrary handle has
// theoretically we could use the class atom to avoid a _wcsicmp()
// however, raymond chen advises against this - http://blogs.msdn.com/b/oldnewthing/archive/2004/10/11/240744.aspx (and we're not in control of the Tab class, before you say anything)
// usage: windowClassOf(hwnd, L"class 1", L"class 2", ..., NULL)
int windowClassOf(HWND hwnd, ...)
{
// MSDN says 256 is the maximum length of a class name; add a few characters just to be safe (because it doesn't say whether this includes the terminating null character)
#define maxClassName 260
WCHAR classname[maxClassName + 1];
va_list ap;
WCHAR *curname;
int i;
if (GetClassNameW(hwnd, classname, maxClassName) == 0)
xpanic("error getting name of window class in windowClassOf()", GetLastError());
va_start(ap, hwnd);
i = 0;
for (;;) {
curname = va_arg(ap, WCHAR *);
if (curname == NULL)
break;
if (_wcsicmp(classname, curname) == 0) {
va_end(ap);
return i;
}
i++;
}
// no match
va_end(ap);
return -1;
}
void setWindowText(HWND hwnd, LPWSTR text)
{
switch (SendMessageW(hwnd, WM_SETTEXT, 0, (LPARAM) text)) {
case FALSE:
xpanic("WM_SETTEXT failed", GetLastError());
}
}
IndexChain *LookupGrid::lichain(int x, int z)
{
if((x<0)||(z<0)||(x>=xsz)||(z>=zsz))
xpanic("LookupGrid::lichain(%d,%d) in %dx%d-grid",x,z,xsz,zsz);
return ichains[ x + (z*xsz) ];
}
void tableAutosizeColumns(HWND hwnd, int nColumns)
{
int i;
for (i = 0; i < nColumns; i++)
if (SendMessageW(hwnd, LVM_SETCOLUMNWIDTH, (WPARAM) i, (LPARAM) LVSCW_AUTOSIZE_USEHEADER) == FALSE)
xpanic("error resizing columns of results list view", GetLastError());
}
RECT containerBounds(HWND hwnd)
{
RECT r;
if (GetClientRect(hwnd, &r) == 0)
xpanic("error getting container client rect for container.bounds()", GetLastError());
return r;
}
static void getScrollPos(HWND hwnd, int *xpos, int *ypos)
{
SCROLLINFO si;
ZeroMemory(&si, sizeof (SCROLLINFO));
si.cbSize = sizeof (SCROLLINFO);
si.fMask = SIF_POS | SIF_TRACKPOS;
if (GetScrollInfo(hwnd, SB_HORZ, &si) == 0)
xpanic("error getting horizontal scroll position for Area", GetLastError());
*xpos = si.nPos;
// MSDN example code reinitializes this each time, so we'll do it too just to be safe
ZeroMemory(&si, sizeof (SCROLLINFO));
si.cbSize = sizeof (SCROLLINFO);
si.fMask = SIF_POS | SIF_TRACKPOS;
if (GetScrollInfo(hwnd, SB_VERT, &si) == 0)
xpanic("error getting vertical scroll position for Area", GetLastError());
*ypos = si.nPos;
}
void areaOpenTextField(HWND area, HWND textfield, int x, int y, int width, int height)
{
int sx, sy;
int baseX, baseY;
LONG unused;
getScrollPos(area, &sx, &sy);
x += sx;
y += sy;
calculateBaseUnits(textfield, &baseX, &baseY, &unused);
width = MulDiv(width, baseX, 4);
height = MulDiv(height, baseY, 8);
if (MoveWindow(textfield, x, y, width, height, TRUE) == 0)
xpanic("error moving Area TextField in Area.OpenTextFieldAt()", GetLastError());
ShowWindow(textfield, SW_SHOW);
if (SetFocus(textfield) == NULL)
xpanic("error giving Area TextField focus", GetLastError());
}
bool Mod_TAZ::readTAZFile(const char *fname)
{
FILE *f;
rvulong i;
if(zones != NULL)
xpanic("Multiple read attempts in Mod_TAZ\n");
f=fopen(fname,"rb");
if(f==NULL)
{
perror(0, ERROR_FILE_ROPEN, "Cannot open `%s': %s",fname,strerror(errno));
return false;
};
lprintf(1,"Reading `%s'\n",fname);
fread(&size,sizeof(rvulong),1,f);
zones=new Mod_TAZ_Entry[size]; MEM(zones);
for(i=0;i<size;i++)
{
fread( &(zones[i].data), RV_TAZ_DATA_SIZE, 1,f);
/* we are not interested in the rotation of the box, but rather in whether
* a point is inside it. A point X is inside the box, if
*
* Inv(RotMatrix)*(X - center) < SizeVec
*
* So, we can also invert the matrices now:
*/
zones[i].data.rotation = zones[i].data.rotation.invert();
zones[i].mods=NULL;
zones[i].owns_mods=false;
if(i>0)
if(zones[i].data.id < zones[i-1].data.id)
xpanic("Assumption \"TAZ is sorted by ID's\" is wrong\n");
};
fclose(f);
return true;
}
static SIZE getAreaControlSize(HWND hwnd)
{
RECT rect;
SIZE size;
if (GetClientRect(hwnd, &rect) == 0)
xpanic("error getting size of actual Area control", GetLastError());
size.cx = (LONG) (rect.right - rect.left);
size.cy = (LONG) (rect.bottom - rect.top);
return size;
}
HIMAGELIST newImageList(int width, int height)
{
HIMAGELIST il;
// TODO does this strip alpha?
// sinni800 in irc.freenode.net/#go-nuts suggests our use of *image.RGBA makes this not so much of an issue
il = (*fv_ImageList_Create)(width, height, ILC_COLOR32, 20, 20); // should be reasonable
if (il == NULL)
xpanic("error creating image list", GetLastError());
return il;
}
void calculateBaseUnits(HWND hwnd, int *baseX, int *baseY, LONG *internalLeading)
{
HDC dc;
HFONT prevFont;
TEXTMETRICW tm;
SIZE size;
dc = GetDC(hwnd);
if (dc == NULL)
xpanic("error getting DC for preferred size calculations", GetLastError());
prevFont = (HFONT) SelectObject(dc, controlFont);
if (prevFont == NULL)
xpanic("error loading control font into device context for preferred size calculation", GetLastError());
if (GetTextMetricsW(dc, &tm) == 0)
xpanic("error getting text metrics for preferred size calculations", GetLastError());
if (GetTextExtentPoint32W(dc, L"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", 52, &size) == 0)
xpanic("error getting text extent point for preferred size calculations", GetLastError());
*baseX = (int) ((size.cx / 26 + 1) / 2);
*baseY = (int) tm.tmHeight;
*internalLeading = tm.tmInternalLeading;
if (SelectObject(dc, prevFont) != controlFont)
xpanic("error restoring previous font into device context after preferred size calculations", GetLastError());
if (ReleaseDC(hwnd, dc) == 0)
xpanic("error releasing DC for preferred size calculations", GetLastError());
}
void tableAppendColumn(HWND hwnd, int index, LPWSTR name)
{
LVCOLUMNW col;
ZeroMemory(&col, sizeof (LVCOLUMNW));
col.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_ORDER;
col.fmt = LVCFMT_LEFT;
col.pszText = name;
col.iSubItem = index;
col.iOrder = index;
if (SendMessageW(hwnd, LVM_INSERTCOLUMN, (WPARAM) index, (LPARAM) (&col)) == (LRESULT) -1)
xpanic("error adding column to Table", GetLastError());
}
static HBITMAP makeCheckboxImageListEntry(HDC dc, int width, int height, int cbState, void (*drawfunc)(HDC, RECT *, int, HTHEME), HTHEME theme)
{
BITMAPINFO bi;
VOID *ppvBits;
HBITMAP bitmap;
RECT r;
HDC drawDC;
HBITMAP prevbitmap;
r.left = 0;
r.top = 0;
r.right = width;
r.bottom = height;
ZeroMemory(&bi, sizeof (BITMAPINFO));
bi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
bi.bmiHeader.biWidth = (LONG) width;
bi.bmiHeader.biHeight = -((LONG) height); // negative height to force top-down drawing;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
bi.bmiHeader.biSizeImage = (DWORD) (width * height * 4);
bitmap = CreateDIBSection(NULL, &bi, DIB_RGB_COLORS, &ppvBits, 0, 0);
if (bitmap == NULL)
xpanic("error creating HBITMAP for unscaled ImageList image copy", GetLastError());
drawDC = CreateCompatibleDC(dc);
if (drawDC == NULL)
xpanic("error getting DC for checkbox image list bitmap", GetLastError());
prevbitmap = SelectObject(drawDC, bitmap);
if (prevbitmap == NULL)
xpanic("error selecting checkbox image list bitmap into DC", GetLastError());
(*drawfunc)(drawDC, &r, cbState, theme);
if (SelectObject(drawDC, prevbitmap) != bitmap)
xpanic("error selecting previous bitmap into checkbox image's DC", GetLastError());
if (DeleteDC(drawDC) == 0)
xpanic("error deleting checkbox image's DC", GetLastError());
return bitmap;
}
HWND newArea(void *data)
{
HWND hwnd;
hwnd = CreateWindowExW(
0,
areaWindowClass, L"",
WS_HSCROLL | WS_VSCROLL | WS_CHILD | WS_VISIBLE | WS_TABSTOP,
CW_USEDEFAULT, CW_USEDEFAULT,
100, 100,
msgwin, NULL, hInstance, data);
if (hwnd == NULL)
xpanic("container creation failed", GetLastError());
return hwnd;
}
static void themeSize(HDC dc, int *width, int *height, HTHEME theme)
{
SIZE size;
int cbState;
size = getStateSize(dc, 0, theme);
for (cbState = 1; cbState < checkboxnStates; cbState++) {
SIZE against;
against = getStateSize(dc, cbState, theme);
if (size.cx != against.cx || size.cy != against.cy)
xpanic("size mismatch in checkbox states", GetLastError());
}
*width = (int) size.cx;
*height = (int) size.cy;
}
static LRESULT CALLBACK areaTextFieldSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
switch (uMsg) {
case WM_KILLFOCUS:
ShowWindow(hwnd, SW_HIDE);
areaTextFieldDone((void *) data);
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_NCDESTROY:
if ((*fv_RemoveWindowSubclass)(hwnd, areaTextFieldSubProc, id) == FALSE)
xpanic("error removing Area TextField subclass (which was for handling WM_KILLFOCUS)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
default:
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
}
xmissedmsg("Area TextField", "areaTextFieldSubProc()", uMsg);
return 0; // unreached
}
bool NameList::add(const char *name, bool dupCheck/*=false*/)
{
if(!name)
xpanic("adding NULL name");
if(cnt==max)
grow();
names[cnt]=strdup(name); MEM(names[cnt]);
touched[cnt]=false;
cnt++;
if(dupCheck)
{
for(int i=0; i<cnt-1; i++)
if(!strcmp(name, names[i]))
return true;
}
return false;
}
static LRESULT CALLBACK buttonSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
switch (uMsg) {
case msgCOMMAND:
if (HIWORD(wParam) == BN_CLICKED) {
buttonClicked((void *) data);
return 0;
}
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_NCDESTROY:
if ((*fv_RemoveWindowSubclass)(hwnd, buttonSubProc, id) == FALSE)
xpanic("error removing Button subclass (which was for its own event handler)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
default:
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
}
xmissedmsg("Button", "buttonSubProc()", uMsg);
return 0; // unreached
}
static LRESULT CALLBACK textfieldSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
switch (uMsg) {
case msgCOMMAND:
if (HIWORD(wParam) == EN_CHANGE) {
textfieldChanged((void *) data);
return 0;
}
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_NCDESTROY:
if ((*fv_RemoveWindowSubclass)(hwnd, textfieldSubProc, id) == FALSE)
xpanic("error removing TextField subclass (which was for its own event handler)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
default:
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
}
xmissedmsg("TextField", "textfieldSubProc()", uMsg);
return 0; // unreached
}
HBITMAP unscaledBitmap(void *i, intptr_t dx, intptr_t dy)
{
BITMAPINFO bi;
VOID *ppvBits;
HBITMAP bitmap;
ZeroMemory(&bi, sizeof (BITMAPINFO));
bi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
bi.bmiHeader.biWidth = (LONG) dx;
bi.bmiHeader.biHeight = -((LONG) dy); // negative height to force top-down drawing;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
bi.bmiHeader.biSizeImage = (DWORD) (dx * dy * 4);
bitmap = CreateDIBSection(NULL, &bi, DIB_RGB_COLORS, &ppvBits, 0, 0);
if (bitmap == NULL)
xpanic("error creating HBITMAP for unscaled ImageList image copy", GetLastError());
dotoARGB(i, (void *) ppvBits);
return bitmap;
}
