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Hellfire/Storm/SOURCE/SDLG.CPP
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Justin Marshall 101266ab72 Initial commit.
2026-04-27 10:35:40 -07:00

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/****************************************************************************
*
* SDLG.CPP
* Storm dialog box functions
*
* By Michael O'Brien (5/22/96)
*
***/
#include "pch.h"
#pragma hdrstop
#define ANYBITMAP 0x0000FFFF
#define CONTROLTYPELENGTH 32
#define BLT_FLAG_TILED 0x00000001
#define BLT_FLAG_LOCKSURFACE 0x00000002
#define BLT_FLAG_DESTRECTCLIENTCOORDS 0x00000100
#define BLT_FLAG_HIDECURSOR 0x00001000
#define BLT_FLAG_RESTORECURSOR 0x00002000
#define CONVDLGX(x) (((x)*baseunitx)/4)
#define CONVDLGY(y) (((y)*baseunity)/8)
#define NOTIFY(window,code) SendMessage(GetParent(window), \
WM_COMMAND, \
MAKELONG(GetDlgCtrlID(window),code), \
(LPARAM)window)
typedef struct _BASEFONT {
int pointsize;
int weight;
DWORD flags;
DWORD family;
char face[32];
} BASEFONT, *BASEFONTPTR;
NODEDECL(BITMAPREC) {
HWND window;
HWND parentwindow;
DWORD usage;
DWORD controlstyle;
LPBYTE bitmapbits;
RECT rect;
int width;
int height;
int offsetx;
int offsety;
char controltype[CONTROLTYPELENGTH];
} *BITMAPPTR;
NODEDECL(TIMERREC) {
HWND window;
UINT id;
DWORD elapse;
TIMERPROC callback;
DWORD lasttime;
} *TIMERPTR;
static BASEFONTPTR s_basefont = NULL;
static LIST(BITMAPREC) s_bitmaplist;
static BOOL s_cursorhidden = FALSE;
static LPBYTE s_cursorimage = NULL;
static LPBYTE s_cursormask = NULL;
static POINT s_cursorpos = {-1,-1};
static SIZE s_cursorsize = {32,32};
static BOOL s_initialized = FALSE;
static int s_inpaint = 0;
static BOOL s_nodefproc = FALSE;
static LIST(TIMERREC) s_timerlist;
static BOOL DrawButton (LPDRAWITEMSTRUCT item);
static BITMAPPTR FindBitmap (HWND window, DWORD usage);
static void IntersectRgnWithWindow (HWND updatewindow,
HRGN region,
HWND window);
static BOOL IsButton (HWND window, BOOL *ownerdraw);
static BOOL IsPointInWindow (LPPOINTS point, HWND window);
static void ParseDlgTemplate (LPCDLGTEMPLATE templatedata,
LPDLGTEMPLATE parsedtemplate,
LPCWSTR *title,
short *fontsize,
short *fontweight,
short *fontitalics,
LPCWSTR *fontname,
LPDLGITEMTEMPLATE *firstitem);
static void ParseDlgTemplateEx (LPCDLGTEMPLATE templatedata,
LPDLGTEMPLATE parsedtemplate,
LPCWSTR *title,
short *fontsize,
short *fontweight,
short *fontitalics,
LPCWSTR *fontname,
LPDLGITEMTEMPLATE *firstitem);
static LRESULT SendMessageNoDefProc (HWND window,
UINT message,
WPARAM wparam,
LPARAM lparam);
//===========================================================================
static void AdjustCursorPos (HWND window, int x, int y) {
if (window) {
DWORD processid;
GetWindowThreadProcessId(window,&processid);
if (processid == GetCurrentProcessId()) {
RECT cursorrect = {x,y,x+s_cursorsize.cx,y+s_cursorsize.cy};
RECT windowrect; GetWindowRect(window,&windowrect);
RECT rect;
if (IntersectRect(&rect,&cursorrect,&windowrect)) {
ScreenToClient(window,(LPPOINT)&rect.left);
ScreenToClient(window,(LPPOINT)&rect.right);
InvalidateRect(window,&rect,0);
}
}
window = GetTopWindow(window);
while (window) {
AdjustCursorPos(window,x,y);
window = GetNextWindow(window,GW_HWNDNEXT);
}
}
else {
AdjustCursorPos(GetDesktopWindow(),s_cursorpos.x,s_cursorpos.y);
s_cursorpos.x = x;
s_cursorpos.y = y;
AdjustCursorPos(GetDesktopWindow(),s_cursorpos.x,s_cursorpos.y);
}
}
//===========================================================================
static void CheckCursorPos () {
POINT pt;
GetCursorPos(&pt);
if ((s_cursorpos.x >= 0) &&
(s_cursorpos.y >= 0) &&
((pt.x != s_cursorpos.x) ||
(pt.y != s_cursorpos.y)))
AdjustCursorPos((HWND)0,pt.x,pt.y);
}
//===========================================================================
static void ComputeBaseUnits (HFONT font, int *baseunitx, int *baseunity) {
HDC screendc = GetDC(GetDesktopWindow());
HDC memdc = CreateCompatibleDC(screendc);
HFONT oldfont = (HFONT)SelectObject(memdc,font);
// USE GETTEXTEXTENT() TO DETERMINE THE AVERAGE CHARACTER WIDTH
SIZE size;
if (GetTextExtentPoint32(memdc,
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz",
52,
&size))
*baseunitx = (size.cx/26+1)/2;
// USE GETTEXTMETRICS() TO DETERMINE THE CHARACTER HEIGHT
TEXTMETRIC tm;
if (GetTextMetrics(memdc,&tm))
*baseunity = tm.tmHeight;
SelectObject(memdc,oldfont);
DeleteDC(memdc);
ReleaseDC(GetDesktopWindow(),screendc);
}
//===========================================================================
static LRESULT CALLBACK ControlSubclassWndProc (HWND window,
UINT message,
WPARAM wparam,
LPARAM lparam) {
LONG origstyle = 0;
// PERFORM INTERNAL PROCESSING ON SOME MESSAGES
switch (message) {
case BM_SETCHECK:
if (wparam == BST_CHECKED)
break;
// fall through to BM_SETSTATE
case BM_SETSTATE:
case WM_PAINT:
if (IsButton(window,NULL)) {
DWORD style = GetWindowLong(window,GWL_STYLE);
if (((style & 0x0000000F) == BS_RADIOBUTTON) ||
((style & 0x0000000F) == BS_AUTORADIOBUTTON)) {
origstyle = GetWindowLong(window,GWL_STYLE);
SetWindowLong(window,GWL_STYLE,(origstyle & 0xFFFFFFF0) | BS_OWNERDRAW);
}
}
break;
case WM_ERASEBKGND:
if ((GetWindowLong(window,GWL_EXSTYLE) & WS_EX_TRANSPARENT) ||
FindBitmap(window,ANYBITMAP))
return 0;
break;
case WM_KEYUP:
if (wparam == VK_SNAPSHOT) {
SDrawCaptureScreen();
SetFocus(window);
}
break;
case WM_NCDESTROY:
RemoveProp(window,"SDlg_WndProc");
if (GetProp(window,"SDlg_OrigStyle"))
RemoveProp(window,"SDlg_OrigStyle");
break;
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
SendMessage(GetParent(window),message,wparam,lparam);
break;
}
// CALL THE ORIGINAL WINDOW PROCEDURE
LRESULT result;
{
WNDPROC wndproc = NULL;
if (message != WM_NCDESTROY)
wndproc = (WNDPROC)GetProp(window,"SDlg_WndProc");
if (wndproc)
result = CallWindowProc(wndproc,window,message,wparam,lparam);
else
result = DefWindowProc(window,message,wparam,lparam);
}
if (origstyle)
SetWindowLong(window,GWL_STYLE,origstyle);
return result;
}
//===========================================================================
static LRESULT CALLBACK ControlStaticWndProc (HWND window,
UINT message,
WPARAM wparam,
LPARAM lparam) {
switch (message) {
case WM_DESTROY:
RemoveProp(window,"SDlg_Font");
break;
case WM_ERASEBKGND:
if ((GetWindowLong(window,GWL_EXSTYLE) & WS_EX_TRANSPARENT) ||
FindBitmap(window,ANYBITMAP))
return 0;
break;
case WM_GETFONT:
return (LRESULT)GetProp(window,"SDlg_Font");
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC dc = SDlgBeginPaint(window,&ps);
// SELECT THE FONT
SelectObject(dc,(HFONT)GetProp(window,"SDlg_Font"));
SetBkMode(dc,TRANSPARENT);
// SEND A WM_DRAWITEM MESSAGE, IN CASE THE APPLICATION WANTS TO
// DRAW THE TEXT MANUALLY
BOOL drawn = 0;
{
DRAWITEMSTRUCT drawitem;
ZeroMemory(&drawitem,sizeof(DRAWITEMSTRUCT));
drawitem.CtlType = ODT_STATIC;
drawitem.CtlID = GetDlgCtrlID(window);
drawitem.itemAction = ODA_DRAWENTIRE;
drawitem.hwndItem = window;
drawitem.hDC = dc;
GetClientRect(window,&drawitem.rcItem);
drawn = (BOOL)SendMessageNoDefProc(GetParent(window),
WM_DRAWITEM,
GetDlgCtrlID(window),
(LPARAM)&drawitem);
}
// IF THE APPLICATION DIDN'T DRAW THE TEXT, DO IT OURSELF
if (!drawn) {
int chars = GetWindowTextLength(window);
char *text = (char *)ALLOC(chars+1);
GetWindowText(window,text,chars+1);
// DETERMINE THE FORMAT
DWORD format = DT_EXPANDTABS | DT_WORDBREAK;
{
DWORD style = (DWORD)GetWindowLong(window,GWL_STYLE);
if (style & SS_LEFT)
format |= DT_LEFT;
else if (style & SS_CENTER)
format |= DT_CENTER;
else if (style & SS_RIGHT)
format |= DT_RIGHT;
}
// DRAW THE DROP SHADOW
{
RECT rect;
GetClientRect(window,&rect);
++rect.left;
++rect.top;
SetTextColor(dc,0);
DrawText(dc,text,chars,&rect,format);
}
// DRAW THE TEXT
{
RECT rect;
GetClientRect(window,&rect);
--rect.right;
--rect.bottom;
SetTextColor(dc,0xFFFFFF);
SendMessage(GetParent(window),WM_CTLCOLORSTATIC,(WPARAM)dc,(LPARAM)window);
DrawText(dc,text,chars,&rect,format);
}
FREE(text);
}
SDlgEndPaint(window,&ps);
}
return 0;
case WM_SETFONT:
SetProp(window,"SDlg_Font",(HANDLE)wparam);
if (lparam & 1)
InvalidateRect(window,NULL,1);
break;
case WM_SETTEXT:
LRESULT r = DefWindowProc(window, message, wparam, lparam);
InvalidateRect(window, NULL, TRUE);
UpdateWindow(window);
return r;
}
return DefWindowProc(window,message,wparam,lparam);
}
//===========================================================================
static void DeleteBitmaps (HWND window) {
// DELETE ALL BITMAPS ASSOCIATED WITH THIS WINDOW
ITERATELIST(BITMAPREC,s_bitmaplist,curr)
if ((curr->window == window) ||
(curr->parentwindow == window))
ITERATE_DELETE;
// RECURSE ALL CHILD WINDOWS
if ((window = GetTopWindow(window)) != (HWND)0)
do
DeleteBitmaps(window);
while ((window = GetNextWindow(window,GW_HWNDNEXT)) != (HWND)0);
}
//===========================================================================
static BOOL CALLBACK DlgProc (HWND window,
UINT message,
WPARAM wparam,
LPARAM lparam) {
// PERFORM INTERNAL PROCESSING ON SOME MESSAGES
switch (message) {
case WM_CREATE:
SetCursor(LoadCursor(0,IDC_ARROW));
break;
case WM_DESTROY:
RemoveProp(window,"SDlg_Font");
DeleteBitmaps(window);
break;
case WM_DRAWITEM:
{
LPDRAWITEMSTRUCT item = (LPDRAWITEMSTRUCT)lparam;
if (item->CtlType == ODT_BUTTON)
return DrawButton(item);
}
break;
case WM_ERASEBKGND:
if ((GetWindowLong(window,GWL_EXSTYLE) & WS_EX_TRANSPARENT) ||
FindBitmap(window,ANYBITMAP))
return 0;
break;
case WM_GETFONT:
return (LRESULT)GetProp(window,"SDlg_Font");
case WM_NCDESTROY:
{
HDC dc = GetDC(window);
SelectObject(dc,GetStockObject(SYSTEM_FONT));
ReleaseDC(window,dc);
}
DeleteObject((HFONT)SendMessage(window,WM_GETFONT,0,0));
break;
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC dc = SDlgBeginPaint(window,&ps);
SDlgEndPaint(window,&ps);
}
if ((GetProp(window,"SDlg_Modal")) &&
IsWindowEnabled(GetParent(window))) {
EnableWindow(GetParent(window),0);
if (GetActiveWindow() == GetParent(window))
SetActiveWindow(window);
}
return 0;
case WM_SETFONT:
SetProp(window,"SDlg_Font",(HANDLE)wparam);
break;
case WM_SHOWWINDOW:
if ((!wparam) &&
((!lparam) ||
(lparam == SW_PARENTCLOSING)) &&
(GetProp(window,"SDlg_Modal")))
EnableWindow(GetParent(window),1);
break;
}
// CALL THE DEFAULT DIALOG BOX PROCEDURE, WHICH WILL CALL THE
// APPLICATION'S DIALOG BOX PROCEDURE
BOOL result;
if (s_nodefproc) {
s_nodefproc = 0;
result = CallWindowProc((WNDPROC)GetWindowLong(window,DWL_DLGPROC),window,message,wparam,lparam);
}
else
result = DefDlgProc(window,message,wparam,lparam);
// ON A WM_NCCREATE MESSAGE, SET THE POINTER TO THE APPLICATION'S
// DIALOG BOX PROCEDURE
if (message == WM_NCCREATE)
SetWindowLong(window,DWL_DLGPROC,(LONG)((LPCREATESTRUCT)lparam)->lpCreateParams);
return result;
}
//===========================================================================
static BOOL DoMessageLoop (HWND dialogwindow) {
MSG message;
if (PeekMessage(&message,(HWND)0,0,0,PM_REMOVE)) {
if (message.message == WM_QUIT)
PostQuitMessage(message.wParam);
else if ((!dialogwindow) ||
(!IsDialogMessage(dialogwindow,&message))) {
TranslateMessage(&message);
DispatchMessage(&message);
}
return TRUE;
}
else {
SDlgCheckTimers();
SDlgUpdateCursor();
return FALSE;
}
}
//===========================================================================
static BOOL DrawButton (LPDRAWITEMSTRUCT item) {
RECT clientrect; GetClientRect(item->hwndItem,&clientrect);
HDC dc = GetDC(item->hwndItem);
BOOL selected = ((item->itemState & ODS_SELECTED) != 0);
if (SendMessage(item->hwndItem,BM_GETSTATE,0,0) & BST_CHECKED)
selected = TRUE;
BOOL grayed = ((item->itemState & (ODS_DISABLED | ODS_GRAYED)) != 0);
DWORD style = (DWORD)GetWindowLong(item->hwndItem,GWL_STYLE);
if (GetProp(item->hwndItem,"SDlg_OrigStyle"))
style = (DWORD)GetProp(item->hwndItem,"SDlg_OrigStyle");
BOOL pushbutton = ((style & 0x0000000F) == BS_PUSHBUTTON) ||
((style & 0x0000000F) == BS_DEFPUSHBUTTON) ||
((style & 0x0000000F) == BS_OWNERDRAW);
// DETERMINE THE BOUNDING OFFSET
RECT boundingoffset = {0,0,0,0};
if (!pushbutton) {
boundingoffset.left = 1;
boundingoffset.bottom = -1;
}
// IF A BITMAP HAS BEEN REGISTERED SPECIFICALLY FOR THIS ITEM STATE,
// DRAW THAT
DWORD usage = selected
? grayed
? SDLG_USAGE_SELECTED_GRAYED
: (item->itemState & ODS_FOCUS)
? SDLG_USAGE_SELECTED_FOCUSED
: SDLG_USAGE_SELECTED_UNFOCUSED
: grayed
? SDLG_USAGE_NORMAL_GRAYED
: (item->itemState & ODS_FOCUS)
? SDLG_USAGE_NORMAL_FOCUSED
: SDLG_USAGE_NORMAL_UNFOCUSED;
BITMAPPTR bitmap = FindBitmap(item->hwndItem,usage);
if (bitmap)
SDlgDrawBitmap(item->hwndItem,
usage,
(HRGN)0,
0,
0,
&boundingoffset,
pushbutton ? (SDLG_DBF_TILE | SDLG_DBF_VCENTER) : 0);
// OTHERWISE, ERASE THE BACKGROUND AND DRAW A BEVEL AROUND IT
else {
SDlgDrawBitmap(item->hwndItem,
SDLG_USAGE_BACKGROUND,
(HRGN)0,
1-selected,
1-selected,
&boundingoffset,
pushbutton ? (SDLG_DBF_TILE | SDLG_DBF_VCENTER) : 0);
if (pushbutton) {
UINT edge = selected ? (BDR_SUNKENINNER | BDR_SUNKENOUTER)
: (BDR_RAISEDOUTER | BDR_RAISEDOUTER);
DrawEdge(dc,&clientrect,edge,BF_RECT);
}
}
// DRAW THE TEXT
{
// GET THE TEXT
int chars = GetWindowTextLength(item->hwndItem);
char *text = (char *)ALLOC(chars+1);
GetWindowText(item->hwndItem,text,chars+1);
// SELECT THE FONT
SelectObject(dc,GetCurrentObject(item->hDC,OBJ_FONT));
SetTextAlign(dc,TA_TOP | TA_LEFT);
SetBkMode(dc,TRANSPARENT);
// DETERMINE THE TEXT LOCATION
RECT rect = {clientrect.left +3,
clientrect.top +3,
clientrect.right -1,
clientrect.bottom-1};
if (pushbutton) {
DWORD style = (DWORD)GetWindowLong(item->hwndItem,GWL_STYLE);
SIZE size = {16,16};
GetTextExtentPoint32(dc,"~,_Oy",5,&size);
if (style & BS_BOTTOM)
rect.top += rect.bottom-(size.cy+6);
else if ((style & BS_VCENTER) || !(style & BS_TOP))
rect.top += (rect.bottom-(rect.top+size.cy))/2+1;
if (selected) {
++rect.left;
++rect.top;
++rect.right;
++rect.bottom;
}
}
else if (bitmap) {
rect.top -= 1;
rect.left += 6+bitmap->rect.right-bitmap->rect.left;
}
// DRAW THE DROP SHADOW
SetTextColor(dc,0);
DrawText(dc,text,chars,&rect,
(pushbutton ? DT_CENTER : DT_LEFT) | DT_TOP);
// DRAW THE TEXT
--rect.left;
--rect.top;
--rect.right;
--rect.bottom;
SetTextColor(dc,grayed ? 0x808080 : 0xFFFFFF);
DrawText(dc,text,chars,&rect,
(pushbutton ? DT_CENTER : DT_LEFT) | DT_TOP);
FREE(text);
}
// IF THIS IS A PUSHBUTTON, DRAW THE FOCUS RECTANGLE
if (pushbutton &&
(item->itemState & ODS_FOCUS) &&
!FindBitmap(item->hwndItem,SDLG_USAGE_NORMAL_FOCUSED | SDLG_USAGE_SELECTED_FOCUSED)) {
RECT rect = {clientrect.left +selected+4,
clientrect.top +selected+4,
clientrect.right +selected-3,
clientrect.bottom+selected-3};
DrawFocusRect(dc,&rect);
}
ReleaseDC(item->hwndItem,dc);
return TRUE;
}
//===========================================================================
static BITMAPPTR FindBitmap (HWND window, DWORD usage) {
// FIND THE BITMAP FOR THIS WINDOW
BITMAPPTR curr = s_bitmaplist.Head();
while (curr &&
((curr->window != window) ||
(!(curr->usage & usage))))
curr = curr->Next();
// IF THIS WINDOW DOESN'T HAVE ITS OWN BITMAP, FIND THE DEFAULT
// BITMAP FOR THIS CONTROL TYPE AND STYLE
if (!curr) {
HWND parentwindow = GetParent(window);
char classname[256] = "";
GetClassName(window,classname,256);
LPCTSTR classnameptr = classname;
if (!_strnicmp(classnameptr,"SDlg",4))
classnameptr += 4;
DWORD style = (DWORD)GetWindowLong(window,GWL_STYLE);
if (GetProp(window,"SDlg_OrigStyle"))
style = (DWORD)GetProp(window,"SDlg_OrigStyle");
curr = s_bitmaplist.Head();
while (curr &&
(curr->window ||
(curr->parentwindow && (curr->parentwindow != parentwindow)) ||
(!(usage & curr->usage)) ||
((style & 0x0000000F) & ~curr->controlstyle) ||
((!(curr->controlstyle & 0x00010000)) &&
((style & curr->controlstyle) != curr->controlstyle)) ||
_stricmp(curr->controltype,classnameptr)))
curr = curr->Next();
}
return curr;
}
//===========================================================================
static LPCDLGTEMPLATE GetTemplateData (HINSTANCE instance,
LPCTSTR templatename) {
HRSRC resourcehandle = FindResource(instance,templatename,RT_DIALOG);
if (!resourcehandle)
return NULL;
HGLOBAL resourcedata = LoadResource(instance,resourcehandle);
if (!resourcedata)
return NULL;
return (LPCDLGTEMPLATE)LockResource(resourcedata);
}
//===========================================================================
static BOOL InitializeDialogManager () {
s_initialized = TRUE;
// REGISTER OUR OWN DIALOG BOX CLASS
{
WNDCLASS wndclass;
ZeroMemory(&wndclass,sizeof(WNDCLASS));
wndclass.style = CS_DBLCLKS;
wndclass.lpfnWndProc = (WNDPROC)DlgProc;
wndclass.cbWndExtra = DLGWINDOWEXTRA;
wndclass.hInstance = (HINSTANCE)GetModuleHandle(NULL);
wndclass.hCursor = LoadCursor(0,IDC_ARROW);
wndclass.lpszClassName = "SDlgDialog";
if (!RegisterClass(&wndclass))
return FALSE;
}
// REGISTER OUR OWN STATIC CONTROL CLASS
{
WNDCLASS wndclass;
ZeroMemory(&wndclass,sizeof(WNDCLASS));
GetClassInfo((HINSTANCE)GetModuleHandle(NULL),"Static",&wndclass);
wndclass.lpfnWndProc = (WNDPROC)ControlStaticWndProc;
wndclass.hInstance = (HINSTANCE)GetModuleHandle(NULL);
wndclass.hCursor = LoadCursor(0,IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
wndclass.lpszClassName = "SDlgStatic";
if (!RegisterClass(&wndclass))
return FALSE;
}
return TRUE;
}
//===========================================================================
static BOOL InternalBltClippedToRgn (LPBYTE dest,
LPRECT destrect,
LPSIZE destsize,
int destpitch,
LPBYTE source,
LPRECT sourcerect,
LPSIZE sourcesize,
int sourcepitch,
int sourceoffsetx,
int sourceoffsety,
DWORD pattern,
DWORD rop3,
LPPOINT clientpos,
HRGN region,
DWORD flags,
int surfacenumber,
int *cursorhidden) {
// RETRIEVE A LIST OF RECTANGLES THAT MAKE UP THE CLIPPING REGION
LPRGNDATA data;
DWORD numrects;
LPRECT rectarray;
{
DWORD bytes = GetRegionData(region,0,NULL);
data = (LPRGNDATA)ALLOC(bytes);
GetRegionData(region,bytes,data);
numrects = data->rdh.nCount;
rectarray = (LPRECT)&data->Buffer[0];
}
// VERIFY THAT WE HAVE AT LEAST ONE RECTANGLE TO DRAW
if (!(numrects && rectarray)) {
if (data)
FREE(data);
return TRUE;
}
// MODIFY THE RECTANGLES SO THAT THEY ARE IN SCREEN COORDINATES, THEN CLIP
// THEM AGAINST THE BOUNDING RECTANGLE.
{
for (DWORD loop = 0; loop < numrects; ++loop) {
(rectarray+loop)->left = max(destrect->left ,(rectarray+loop)->left +clientpos->x);
(rectarray+loop)->top = max(destrect->top ,(rectarray+loop)->top +clientpos->y);
(rectarray+loop)->right = min(destrect->right ,(rectarray+loop)->right +clientpos->x);
(rectarray+loop)->bottom = min(destrect->bottom,(rectarray+loop)->bottom+clientpos->y);
}
}
// IF THE SYSTEM CURSOR IS VISIBLE AND IS WITHIN ONE OF THE RECTANGLES,
// AND WE ARE PROTECTING IT, THEN HIDE IT
int hidden = 0;
if (flags & BLT_FLAG_HIDECURSOR) {
POINT cursor;
GetCursorPos(&cursor);
for (DWORD loop = 0; loop < numrects; ++loop)
if ((cursor.x+32 >= (rectarray+loop)->left) &&
(cursor.y+32 >= (rectarray+loop)->top) &&
(cursor.x-32 <= (rectarray+loop)->right) &&
(cursor.y-32 <= (rectarray+loop)->bottom)) {
do
++hidden;
while (ShowCursor(0) >= 0);
break;
}
GdiFlush();
}
// IF NECESSARY, LOCK THE SURFACE
if (flags & BLT_FLAG_LOCKSURFACE)
SDrawLockSurface(surfacenumber,NULL,&dest,&destpitch);
// PAINT THE REGION WITH THE SELECTED BITMAP, TILING IT IF NECESSARY
if (dest && destpitch) {
for (DWORD loop = 0; loop < numrects; ++loop) {
if (flags & BLT_FLAG_TILED)
SBltROP3Tiled(dest,
rectarray+loop,
destpitch,
source,
sourcerect,
sourcepitch,
(rectarray+loop)->left+sourceoffsetx-clientpos->x,
(rectarray+loop)->top +sourceoffsety-clientpos->y,
pattern,
rop3);
else {
RECT offsetsourcerect = {sourcerect->left,
sourcerect->top,
sourcerect->right,
sourcerect->bottom};
offsetsourcerect.left += (rectarray+loop)->left+sourceoffsetx-destrect->left;
offsetsourcerect.top += (rectarray+loop)->top +sourceoffsety-destrect->top;
SBltROP3Clipped(dest,
rectarray+loop,
NULL,
destpitch,
source,
&offsetsourcerect,
sourcesize,
sourcepitch,
pattern,
rop3);
}
}
}
// IF NECESSARY, UNLOCK THE SURFACE
if (flags & BLT_FLAG_LOCKSURFACE)
SDrawUnlockSurface(surfacenumber,dest,numrects,rectarray);
// IF WE HID THE CURSOR, UNHIDE IT
if (flags & BLT_FLAG_RESTORECURSOR)
if (hidden)
do
ShowCursor(1);
while (--hidden);
if (cursorhidden)
*cursorhidden += hidden;
// FREE THE LIST OF RECTANGLES
FREE(data);
return TRUE;
}
//===========================================================================
static BOOL InternalBltClippedToWindow (LPBYTE dest,
LPRECT destrect,
LPSIZE destsize,
int destpitch,
LPBYTE source,
LPRECT sourcerect,
LPSIZE sourcesize,
int sourcepitch,
int sourceoffsetx,
int sourceoffsety,
DWORD pattern,
DWORD rop3,
HWND window,
HRGN region,
DWORD flags,
int surfacenumber,
int *cursorhidden) {
if (cursorhidden)
*cursorhidden = 0;
VALIDATEBEGIN;
VALIDATE(destrect);
VALIDATE(window);
VALIDATEEND;
if (!((flags & BLT_FLAG_LOCKSURFACE) || (dest && (destpitch > 0))))
return FALSE;
// INTERSECT THE DESTINATION RECTANGLE WITH THE DESTINATION SIZE
RECT moddestrect = {destrect->left,destrect->top,destrect->right,destrect->bottom};
if (destsize) {
if ((moddestrect.right-moddestrect.left) > destsize->cx)
moddestrect.right = moddestrect.left+destsize->cx;
if ((moddestrect.bottom-moddestrect.top) > destsize->cy)
moddestrect.bottom = sourcerect->bottom+destsize->cy;
}
// IF WE'RE NOT TILING, INTERSECT THE DESTINATION RECTANGLE WITH THE
// SOURCE SIZE
if (sourcerect && !(flags & BLT_FLAG_TILED)) {
if ((moddestrect.right-moddestrect.left) > (sourcerect->right-sourcerect->left))
moddestrect.right = sourcerect->right+moddestrect.left-sourcerect->left;
if ((moddestrect.bottom-moddestrect.top) > (sourcerect->bottom-sourcerect->top))
moddestrect.bottom = sourcerect->bottom+moddestrect.top-sourcerect->top;
}
// GET THE TARGET WINDOW'S CLIENT RECTANGLE, IN SCREEN COORDINATES
RECT boundingrect;
GetClientRect(window,&boundingrect);
ClientToScreen(window,(LPPOINT)&boundingrect.left);
ClientToScreen(window,(LPPOINT)&boundingrect.right);
POINT clientpos = {boundingrect.left,boundingrect.top};
// IF NECESSARY, CONVERT THE DESTINATION RECTANGLE TO SCREEN COORDINATES
if (flags & BLT_FLAG_DESTRECTCLIENTCOORDS) {
moddestrect.left += clientpos.x;
moddestrect.top += clientpos.y;
moddestrect.right += clientpos.x;
moddestrect.bottom += clientpos.y;
}
// INTERSECT THE CLIENT RECTANGLE WITH THE DESTINATION RECTANGLE
{
RECT intersectrect = {moddestrect.left,
moddestrect.top,
moddestrect.right,
moddestrect.bottom};
IntersectRect(&boundingrect,&boundingrect,&intersectrect);
}
// IF THE RESULTING RECTANGLE IS COMPLETELY CLIPPED OUT, RETURN WITHOUT
// ATTEMPTING TO DRAW
if ((boundingrect.right <= boundingrect.left) ||
(boundingrect.bottom <= boundingrect.top))
return 1;
// CREATE A CLIPPING REGION THAT INITIALLY CONTAINS THE INTERSECTION OF
// THE REGION WE WERE PASSED (IF ANY) WITH THE CLIENT AREA OF THIS WINDOW
HRGN clipregion;
{
RECT clientrect;
GetClientRect(window,&clientrect);
clipregion = CreateRectRgn(clientrect.left,
clientrect.top,
clientrect.right,
clientrect.bottom);
if (!clipregion)
return FALSE;
if (region)
CombineRgn(clipregion,clipregion,region,RGN_AND);
}
// REMOVE FROM THE CLIPPING REGION THOSE PORTIONS OF THE WINDOW COVERED BY
// OTHER OVERLAPPING, NON-TRANSPARENT WINDOWS
{
IntersectRgnWithWindow(window,clipregion,window);
HWND startwindow = window;
do {
HWND sibling = startwindow;
while ((sibling = GetNextWindow(sibling,GW_HWNDPREV)) != (HWND)0)
IntersectRgnWithWindow(window,clipregion,sibling);
if (GetWindowLong(startwindow,GWL_STYLE) & WS_CHILD)
startwindow = GetParent(startwindow);
else
startwindow = (HWND)0;
} while (startwindow && (startwindow != GetDesktopWindow()));
}
// DETERMINE WHETHER WE'RE DISPLAYING A CUSTOM CURSOR
BOOL customcursor = (s_cursormask && s_cursorimage &&
(s_cursorpos.x >= 0) && (s_cursorpos.y >= 0));
// SPLIT THE CLIPPING REGION INTO TWO DIFFERENT REGIONS: ONE THAT CONTAINS
// ONLY THE PORTION OF THE REGION WHICH IS COVERED BY THE CURSOR, AND ONE
// THAT CONTAINS EVERYTHING THAT IS NOT COVERED BY THE CURSOR
HRGN cursorregion;
if (customcursor) {
cursorregion = CreateRectRgn(s_cursorpos.x-clientpos.x,
s_cursorpos.y-clientpos.y,
s_cursorpos.x+s_cursorsize.cx-clientpos.x,
s_cursorpos.y+s_cursorsize.cy-clientpos.y);
HRGN normalregion = CreateRectRgn(0,0,1,1);
CombineRgn(normalregion,clipregion,cursorregion,RGN_DIFF);
CombineRgn(cursorregion,clipregion,cursorregion,RGN_AND);
DeleteObject(clipregion);
clipregion = normalregion;
}
// BLT THE NON-CURSOR REGION ONTO THE SCREEN
InternalBltClippedToRgn(dest,
&boundingrect,
destsize,
destpitch,
source,
sourcerect,
sourcesize,
sourcepitch,
sourceoffsetx,
sourceoffsety,
pattern,
rop3,
&clientpos,
clipregion,
flags,
surfacenumber,
cursorhidden);
DeleteObject(clipregion);
// IF WE'RE DISPLAYING A CUSTOM CURSOR THEN PROCESS THE CURSOR REGION
if (customcursor) {
// ALLOCATE AN OFFSCREEN BUFFER TO HOLD THE COMPOSITE IMAGE
LPBYTE compositebuffer = (LPBYTE)ALLOC(s_cursorsize.cx*s_cursorsize.cy);
RECT cursorrect = {0,0,s_cursorsize.cx,s_cursorsize.cy};
// BLT THE CURSOR REGION ONTO THE OFFSCREEN BUFFER
POINT offset = {clientpos.x-s_cursorpos.x,
clientpos.y-s_cursorpos.y};
InternalBltClippedToRgn(compositebuffer,
&cursorrect,
&s_cursorsize,
s_cursorsize.cx,
source,
sourcerect,
sourcesize,
sourcepitch,
sourceoffsetx,
sourceoffsety,
pattern,
rop3,
&offset,
cursorregion,
flags & BLT_FLAG_TILED,
surfacenumber,
NULL);
// DRAW THE CURSOR ONTO THE OFFSCREEN BUFFER
SBltROP3(compositebuffer,
s_cursormask,
s_cursorsize.cx,
s_cursorsize.cy,
s_cursorsize.cx,
s_cursorsize.cx,
0,
SRCAND);
SBltROP3(compositebuffer,
s_cursorimage,
s_cursorsize.cx,
s_cursorsize.cy,
s_cursorsize.cx,
s_cursorsize.cx,
0,
SRCPAINT);
// BLT THE OFFSCREEN BUFFER ONTO THE SCREEN
boundingrect.left = s_cursorpos.x;
boundingrect.top = s_cursorpos.y;
InternalBltClippedToRgn(dest,
&boundingrect,
destsize,
destpitch,
compositebuffer,
&cursorrect,
&s_cursorsize,
s_cursorsize.cx,
0,
0,
0,
SRCCOPY,
&clientpos,
cursorregion,
flags & ~BLT_FLAG_TILED,
surfacenumber,
cursorhidden);
DeleteObject(cursorregion);
// FREE THE OFFSCREEN BUFFER
FREE(compositebuffer);
}
return TRUE;
}
//===========================================================================
static HWND InternalCreateDialogBox (HINSTANCE instance,
LPCDLGTEMPLATE templatedata,
HWND parentwindow,
DLGPROC dialogproc,
LPARAM initparam) {
// IF NO PARENT WINDOW WAS GIVEN, THEN USE THE APPLICATION'S FRAME WINDOW
// AS THE PARENT. IT'S IMPORTANT TO HAVE A PARENT WINDOW BECAUSE IF
// WE CREATE A NEW TOP-LEVEL WINDOW WHILE A DIRECTDRAW APPLICATION IS
// ACTIVE IN EXCLUSIVE MODE, THE DIRECTDRAW APPLICATION WILL BE MINIMIZED.
HWND framewindow = SDrawGetFrameWindow();
if (!parentwindow)
parentwindow = framewindow;
// PARSE THE TEMPLATE
BOOL extendedformat = 0;
LPCWSTR title;
short fontsize;
short fontweight;
short fontitalics;
LPCWSTR fontname;
LPDLGITEMTEMPLATE firstitem;
DLGTEMPLATE parsedtemplate;
if (templatedata->style == 0xFFFF0001) {
extendedformat = 1;
ParseDlgTemplateEx(templatedata,
&parsedtemplate,
&title,
&fontsize,
&fontweight,
&fontitalics,
&fontname,
&firstitem);
}
else
ParseDlgTemplate(templatedata,
&parsedtemplate,
&title,
&fontsize,
&fontweight,
&fontitalics,
&fontname,
&firstitem);
// CONVERT THE TITLE AND FONT NAME TO ANSI
char ansititle[256] = "";
char ansifontname[256] = "";
if (title && *title && (*title != 0xFFFF))
wcstombs(ansititle,title,255);
if (fontname && *fontname && (*fontname != 0xFFFF))
wcstombs(ansifontname,fontname,255);
// CREATE A FONT FOR THE DIALOG BOX CONTROLS. WE USE A HARD-CODED VALUE OF
// 96 VERTICAL PIXELS PER LOGICAL INCH INSTEAD OF QUERYING THE DEVICE CAPS
// BECAUSE WE WANT OUR DIALOG BOXES TO LOOK EXACTLY THE SAME ON ALL
// DISPLAYS.
HFONT font = (HFONT)0;
if (ansifontname[0])
if (s_basefont)
font = CreateFont(-MulDiv(s_basefont->pointsize,96,72),0,0,0,
s_basefont->weight,0,0,0,ANSI_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,
DEFAULT_PITCH | s_basefont->family,
s_basefont->face);
else
font = CreateFont(-MulDiv(fontsize,96,72),0,0,0,fontweight,fontitalics,0,0,ANSI_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,
DEFAULT_PITCH | FF_DONTCARE,ansifontname);
// VERIFY THAT THE FONT WE CREATED WAS A TRUETYPE FONT, BECAUSE ONLY
// TRUETYPE FONTS BE SIZED THE SAME ON ALL SYSTEMS. IF THE FONT ISN'T A
// TRUETYPE FONT, DESTROY IT AND CREATE A DEFAULT TRUETYPE FONT.
if (font) {
BOOL truetype;
{
HDC parentdc = GetDC(parentwindow);
HDC memdc = CreateCompatibleDC(parentdc);
HFONT oldfont = (HFONT)SelectObject(memdc,font);
TEXTMETRIC tm;
ZeroMemory(&tm,sizeof(TEXTMETRIC));
GetTextMetrics(memdc,&tm);
truetype = ((tm.tmPitchAndFamily & TMPF_TRUETYPE) != 0);
SelectObject(memdc,oldfont);
DeleteDC(memdc);
ReleaseDC(parentwindow,parentdc);
}
if (!truetype) {
DeleteObject(font);
if (s_basefont)
font = CreateFont(-MulDiv(s_basefont->pointsize,96,72),0,0,0,
s_basefont->weight,0,0,0,ANSI_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,
DEFAULT_PITCH | FF_SWISS,"Arial");
else
font = CreateFont(-MulDiv(fontsize,96,72),0,0,0,fontweight,fontitalics,0,0,ANSI_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,
DEFAULT_PITCH | FF_SWISS,"Arial");
}
}
// DETERMINE THE FONT'S AVERAGE CHARACTER SIZE, WHICH WE USE FOR CONVERTING
// DIALOG UNITS TO SCREEN COORDINATES
int baseunitx = 8;
int baseunity = 16;
if (font)
ComputeBaseUnits(font,&baseunitx,&baseunity);
// DETERMINE THE WINDOW STYLE
DWORD windowstyle = parsedtemplate.style & ~WS_VISIBLE;
DWORD windowexstyle = parsedtemplate.dwExtendedStyle
| WS_EX_CONTROLPARENT
| ((windowstyle & DS_MODALFRAME) ? WS_EX_DLGMODALFRAME
: 0);
// DETERMINE THE WINDOW POSITION
RECT windowrect = {CONVDLGX(parsedtemplate.x),
CONVDLGY(parsedtemplate.y),
CONVDLGX(parsedtemplate.x)+CONVDLGX(parsedtemplate.cx)-1,
CONVDLGY(parsedtemplate.y)+CONVDLGY(parsedtemplate.cy)-1};
AdjustWindowRectEx(&windowrect,windowstyle & 0xFFFF0000,0,windowexstyle);
int screencx;
int screency;
SDrawGetScreenSize(&screencx,&screency);
int windowcx = windowrect.right+1-windowrect.left;
int windowcy = windowrect.bottom+1-windowrect.top;
int windowx = (windowstyle & DS_CENTER) ? ((screencx-windowcx) >> 1)
: CONVDLGX(parsedtemplate.x);
int windowy = (windowstyle & DS_CENTER) ? ((screency-windowcy) >> 1)
: CONVDLGY(parsedtemplate.y);
windowx = max(0,min(windowx,screencx-windowcx));
windowy = max(0,min(windowy,screency-windowcy));
// IF THE APPLICATION'S FRAME WINDOW IS MINIMIZED, RESTORE IT
{
if (framewindow && IsIconic(framewindow)) {
ShowWindow(framewindow,SW_SHOWMAXIMIZED);
while (DoMessageLoop((HWND)0))
;
SetActiveWindow(parentwindow);
SetFocus(parentwindow);
}
}
// CREATE THE DIALOG BOX WINDOW
HWND dialogwindow = CreateWindowEx(windowexstyle,
"SDlgDialog",
ansititle,
windowstyle,
windowx,
windowy,
windowcx,
windowcy,
parentwindow,
(HMENU)0,
instance,
dialogproc);
if (!dialogwindow)
return dialogwindow;
// SELECT THE FONT INTO THE DIALOG WINDOW
{
HDC dc = GetDC(dialogwindow);
SelectObject(dc,font);
ReleaseDC(dialogwindow,dc);
}
// SET THE DEFAULT RETURN VALUE
SetProp(dialogwindow,"SDlg_EndDialog",(HANDLE)0);
SetProp(dialogwindow,"SDlg_EndResult",(HANDLE)0);
// CREATE THE CONTROLS
HWND focuswindow = dialogwindow;
{
LPDLGITEMTEMPLATE itemdata = firstitem;
for (int itemnum = 0; itemnum < parsedtemplate.cdit; ++itemnum) {
// ADVANCE TO THE NEXT DOUBLEWORD BOUNDARY
{
int misaligned = ((LPBYTE)itemdata-(LPBYTE)templatedata) & 3;
if (misaligned)
itemdata = (LPDLGITEMTEMPLATE)(((LPBYTE)itemdata)+4-misaligned);
}
// PARSE THE CONTROL TEMPLATE
if (extendedformat)
itemdata = (LPDLGITEMTEMPLATE)(((LPBYTE)itemdata)+sizeof(DWORD));
LPCWSTR controlclassname = (LPCWSTR)(itemdata+1);
if (extendedformat)
++controlclassname;
LPCWSTR controltitle;
LPCVOID controldata;
if (*controlclassname == 0xFFFF)
controltitle = controlclassname+2;
else
controltitle = controlclassname+wcslen(controlclassname)+1;
if (*controltitle == 0xFFFF)
controldata = controltitle+3;
else
controldata = controltitle+wcslen(controltitle)+2;
// CONVERT THE CLASS NAME AND TITLE TO ANSI
char ansicontrolclassname[256] = "";
char ansicontroltitle[256] = "";
if (*controlclassname == 0xFFFF)
switch (*(controlclassname+1)) {
case 0x0080: SStrCopy(ansicontrolclassname,"Button" ,256); break;
case 0x0081: SStrCopy(ansicontrolclassname,"Edit" ,256); break;
case 0x0082: SStrCopy(ansicontrolclassname,"SDlgStatic",256); break;
case 0x0083: SStrCopy(ansicontrolclassname,"Listbox" ,256); break;
case 0x0084: SStrCopy(ansicontrolclassname,"Scrollbar" ,256); break;
case 0x0085: SStrCopy(ansicontrolclassname,"Combobox" ,256); break;
}
else
wcstombs(ansicontrolclassname,controlclassname,255);
if (*controltitle != 0xFFFF)
wcstombs(ansicontroltitle,controltitle,255);
// CREATE THE CONTROL WINDOW
DWORD style = extendedformat ? itemdata->dwExtendedStyle : itemdata->style;
DWORD exstyle = extendedformat ? itemdata->style : itemdata->dwExtendedStyle;
HWND window = CreateWindowEx(exstyle,
ansicontrolclassname,
ansicontroltitle,
style,
CONVDLGX(itemdata->x),
CONVDLGY(itemdata->y),
CONVDLGX(itemdata->cx),
CONVDLGY(itemdata->cy),
dialogwindow,
(HMENU)itemdata->id,
instance,
(LPVOID)controldata);
// SUBCLASS THE CONTROL, SET ITS INTERNAL PROPERTIES, THEN SHOW IT
SetProp(window,"SDlg_WndProc",(HANDLE)GetWindowLong(window,GWL_WNDPROC));
SetWindowLong(window,GWL_WNDPROC,(LONG)ControlSubclassWndProc);
if (window && font)
SendMessage(window,WM_SETFONT,(WPARAM)font,0);
ShowWindow(window,SW_SHOW);
// DETERMINE WHETHER THIS CONTROL SHOULD RECEIVE THE KEYBOARD FOCUS
if (window &&
(focuswindow == dialogwindow) &&
(!(itemdata->style & WS_DISABLED)) &&
_stricmp(ansicontrolclassname,"Static") &&
_stricmp(ansicontrolclassname,"SDlgStatic"))
focuswindow = window;
itemdata = (LPDLGITEMTEMPLATE)(((LPBYTE)controldata)+*((LPWORD)controldata-1));
}
}
// SEND THE WM_SETFONT MESSAGE
if (font)
SendMessage(dialogwindow,WM_SETFONT,(WPARAM)font,0);
// SEND THE WM_INITDIALOG MESSAGE
if (!SendMessage(dialogwindow,WM_INITDIALOG,(WPARAM)focuswindow,initparam))
focuswindow = (HWND)0;
// TURN ON THE OWNER DRAW STYLE FOR ANY CONTROLS FOR WHICH WE HAVE TEXTURES
{
HWND window = GetTopWindow(dialogwindow);
while (window) {
if (FindBitmap(window,ANYBITMAP)) {
DWORD origstyle = (DWORD)GetWindowLong(window,GWL_STYLE);
SetProp(window,"SDlg_OrigStyle",(HANDLE)origstyle);
DWORD style = origstyle;
char classname[256] = "";
GetClassName(window,classname,256);
if ((!_stricmp(classname,"Button")) &&
(((origstyle & 0x0000000F) == BS_PUSHBUTTON) ||
((origstyle & 0x0000000F) == BS_DEFPUSHBUTTON)))
style |= BS_OWNERDRAW;
else if (!_stricmp(classname,"ComboBox"))
style |= CBS_OWNERDRAWFIXED;
else if (!_stricmp(classname,"ListBox"))
style |= LBS_OWNERDRAWFIXED;
if (style != origstyle)
SetWindowLong(window,GWL_STYLE,(LONG)style);
}
window = GetNextWindow(window,GW_HWNDNEXT);
}
}
// UNLESS THE APPLICATION CALLED ENDDIALOG() DURING THE WM_INITDIALOG
// MESSAGE, SHOW THE DIALOG WINDOW AND SET THE FOCUS
if (!GetProp(dialogwindow,"SDlg_EndDialog")) {
ShowWindow(dialogwindow,SW_SHOWNORMAL);
RedrawWindow(dialogwindow,
NULL,
NULL,
RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN);
if (focuswindow)
SetFocus(focuswindow);
}
return dialogwindow;
}
//===========================================================================
static void IntersectRgnWithWindow (HWND updatewindow,
HRGN region,
HWND window) {
VALIDATEBEGIN;
VALIDATE(updatewindow);
VALIDATE(region);
VALIDATE(window);
VALIDATEENDVOID;
if (!IsWindowVisible(window))
return;
// INTERSECT THIS WINDOW WITH THE REGION
{
DWORD exstyle = GetWindowLong(window,GWL_EXSTYLE);
if ((window != updatewindow) &&
!(exstyle & WS_EX_TRANSPARENT)) {
RECT rect;
GetWindowRect(window,&rect);
ScreenToClient(updatewindow,(LPPOINT)&rect.left);
ScreenToClient(updatewindow,(LPPOINT)&rect.right);
if (RectInRegion(region,&rect)) {
HRGN rectregion = CreateRectRgn(rect.left,rect.top,rect.right,rect.bottom);
CombineRgn(region,region,rectregion,RGN_DIFF);
DeleteObject(rectregion);
}
}
}
// RECURSIVELY INTERSECT CHILD WINDOWS
{
HWND childwindow = GetTopWindow(window);
while (childwindow) {
IntersectRgnWithWindow(updatewindow,region,childwindow);
childwindow = GetNextWindow(childwindow,GW_HWNDNEXT);
}
}
}
//===========================================================================
static BOOL IsButton (HWND window, BOOL *ownerdraw) {
if (ownerdraw)
*ownerdraw = 0;
// DETERMINE WHETHER THIS IS A BUTTON WINDOW
if (!IsWindow(window))
return FALSE;
char classname[256] = "";
GetClassName(window,classname,256);
if (_stricmp(classname,"Button"))
return FALSE;
// DETERMINE WHETHER IT IS OWNER DRAWN
DWORD style = (DWORD)GetWindowLong(window,GWL_STYLE);
if (ownerdraw)
*ownerdraw = ((style & 0x0000000F) == BS_OWNERDRAW);
return TRUE;
}
//===========================================================================
static BOOL IsPointInWindow (LPPOINTS point, HWND window) {
RECT rect;
GetClientRect(window,&rect);
return ((point->x >= rect.left) &&
(point->x < rect.right) &&
(point->y >= rect.top) &&
(point->y < rect.bottom));
}
//===========================================================================
static void ParseDlgTemplate (LPCDLGTEMPLATE templatedata,
LPDLGTEMPLATE parsedtemplate,
LPCWSTR *title,
short *fontsize,
short *fontweight,
short *fontitalics,
LPCWSTR *fontname,
LPDLGITEMTEMPLATE *firstitem) {
// PREPARE THE PARSED TEMPLATE STRUCTURE
CopyMemory(parsedtemplate,templatedata,sizeof(DLGTEMPLATE));
// FIND THE TITLE
{
LPCWSTR menuname = (LPCWSTR)(templatedata+1);
LPCWSTR classname;
if ((*menuname == 0x0000) || (*menuname == 0xFFFF))
classname = menuname+1;
else
classname = menuname+wcslen(menuname)+1;
if ((*classname == 0x0000) || (*classname == 0xFFFF))
*title = classname+1;
else
*title = classname+wcslen(classname)+1;
}
// FIND THE FONT INFORMATION
if (parsedtemplate->style & DS_SETFONT) {
*fontsize = *((*title)+wcslen(*title)+1);
*fontweight = 0;
*fontitalics = 0;
*fontname = (*title)+wcslen(*title)+2;
*firstitem = (LPDLGITEMTEMPLATE)((*fontname)+wcslen(*fontname)+1);
}
else {
*fontsize = 0;
*fontweight = 0;
*fontitalics = 0;
*fontname = NULL;
*firstitem = (LPDLGITEMTEMPLATE)((*title)+wcslen(*title)+1);
}
}
//===========================================================================
static void ParseDlgTemplateEx (LPCDLGTEMPLATE templatedata,
LPDLGTEMPLATE parsedtemplate,
LPCWSTR *title,
short *fontsize,
short *fontweight,
short *fontitalics,
LPCWSTR *fontname,
LPDLGITEMTEMPLATE *firstitem) {
// PREPARE THE PARSED TEMPLATE STRUCTURE
{
CopyMemory(parsedtemplate,((LPBYTE)templatedata)+8,sizeof(DLGTEMPLATE));
DWORD temp = parsedtemplate->style;
parsedtemplate->style = parsedtemplate->dwExtendedStyle;
parsedtemplate->dwExtendedStyle = temp;
}
// FIND THE TITLE
{
LPCWSTR menuname = (LPCWSTR)(((LPBYTE)templatedata)+26);
LPCWSTR classname;
if ((*menuname == 0x0000) || (*menuname == 0xFFFF))
classname = menuname+1;
else
classname = menuname+wcslen(menuname)+1;
if ((*classname == 0x0000) || (*classname == 0xFFFF))
*title = classname+1;
else
*title = classname+wcslen(classname)+1;
}
// FIND THE FONT INFORMATION
if (parsedtemplate->style & DS_SETFONT) {
const short *ptr = (const short *)((*title)+wcslen(*title)+1);
*fontsize = *ptr++;
*fontweight = *ptr++;
*fontitalics = (*ptr++) & 1;
*fontname = (LPCWSTR)ptr;
*firstitem = (LPDLGITEMTEMPLATE)((*fontname)+wcslen(*fontname)+1);
}
else {
*fontsize = 0;
*fontweight = 0;
*fontitalics = 0;
*fontname = NULL;
*firstitem = (LPDLGITEMTEMPLATE)((*title)+wcslen(*title)+1);
}
}
//===========================================================================
static LRESULT SendMessageNoDefProc (HWND window,
UINT message,
WPARAM wparam,
LPARAM lparam) {
s_nodefproc = 1;
return SendMessage(window,message,wparam,lparam);
}
/****************************************************************************
*
* EXPORTED FUNCTIONS
*
***/
//===========================================================================
HDC APIENTRY SDlgBeginPaint (HWND window, LPPAINTSTRUCT ps) {
VALIDATEBEGIN;
VALIDATE(window);
VALIDATE(ps);
VALIDATEEND;
if (!IsWindow(window))
return (HDC)0;
++s_inpaint;
// IF THIS WINDOW DOESN'T HAVE A SELECTED BACKGROUND, OR IF IT IS
// TRANSPARENT, JUST CALL THE NORMAL BEGINPAINT() FUNCTION AND LET IT
// PAINT THE BACKGROUND WITH THE BRUSH REGISTERED IN THE WINDOW CLASS
if ((GetWindowLong(window,GWL_EXSTYLE) & WS_EX_TRANSPARENT) ||
!FindBitmap(window,SDLG_USAGE_BACKGROUND))
return BeginPaint(window,ps);
// SAVE THE UPDATE REGION FOR THIS WINDOW
HRGN region = CreateRectRgn(0,0,1,1);
GetUpdateRgn(window,region,0);
// TEMPORARILY SAVE AND REMOVE THE BACKGROUND BRUSH FOR THIS WINDOW'S
// CLASS, SO THAT BEGINPAINT() WILL NOT TRY TO ERASE THE BACKGROUND
DWORD brush = GetClassLong(window,GCL_HBRBACKGROUND);
SetClassLong(window,GCL_HBRBACKGROUND,0);
// CALL BEGINPAINT()
HDC dc = BeginPaint(window,ps);
// RESTORE THE BACKGROUND BRUSH
SetClassLong(window,GCL_HBRBACKGROUND,brush);
// ERASE THE BACKGROUND
SDlgDrawBitmap(window,
SDLG_USAGE_BACKGROUND,
region,
0,
0,
NULL,
SDLG_DBF_TILE | SDLG_DBF_VCENTER);
ps->fErase = 0;
DeleteObject(region);
return dc;
}
//===========================================================================
BOOL APIENTRY SDlgBltToWindowE (HWND window,
HRGN region,
int x,
int y,
LPBYTE bitmapbits,
LPRECT bitmaprect,
LPSIZE bitmapsize,
DWORD colorkey,
DWORD pattern,
DWORD rop3) {
VALIDATEBEGIN;
VALIDATE(window);
VALIDATEEND;
if (!(IsWindow(window) && IsWindowVisible(window) && !IsIconic(window)))
return FALSE;
// REJECT ANY ATTEMPT TO SET A TRANSPARENCY COLOR, SINCE TRANSPARENCY
// IS NOT CURRENTLY IMPLEMENTED
if (colorkey != 0xFFFFFFFF)
return FALSE;
// DETERMINE THE SCREEN DIMENSIONS
SIZE screensize;
SDrawGetScreenSize((int *)&screensize.cx,(int *)&screensize.cy);
// DETERMINE THE DESTINATION LOCATION
RECT clientrect;
GetClientRect(window,&clientrect);
clientrect.left += x;
clientrect.top += y;
// DETERMINE WHETHER WE WILL HIDE AND/OR RESTORE THE CURSOR
DWORD bltflags = BLT_FLAG_LOCKSURFACE | BLT_FLAG_DESTRECTCLIENTCOORDS;
if (!s_cursorhidden) {
bltflags |= BLT_FLAG_HIDECURSOR;
if (!s_inpaint)
bltflags |= BLT_FLAG_RESTORECURSOR;
}
// PERFORM THE BITBLT
InternalBltClippedToWindow(NULL,
&clientrect,
&screensize,
0,
bitmapbits,
bitmaprect,
bitmapsize,
bitmapsize->cx,
0,
0,
pattern,
rop3,
window,
region,
bltflags,
SDRAW_SURFACE_FRONT,
s_cursorhidden ? NULL : &s_cursorhidden);
return TRUE;
}
//===========================================================================
BOOL APIENTRY SDlgBltToWindowI (HWND window,
HRGN region,
int x,
int y,
LPBYTE bitmapbits,
LPRECT bitmaprect,
LPSIZE bitmapsize,
DWORD colorkey,
DWORD pattern,
DWORD rop3) {
RECT exclrect;
LPRECT exclrectptr = bitmaprect;
if (bitmaprect) {
exclrect.left = bitmaprect->left;
exclrect.top = bitmaprect->top;
exclrect.right = bitmaprect->right+1;
exclrect.bottom = bitmaprect->bottom+1;
exclrectptr = &exclrect;
}
return SDlgBltToWindowE(window,
region,
x,
y,
bitmapbits,
exclrectptr,
bitmapsize,
colorkey,
pattern,
rop3);
}
//===========================================================================
BOOL APIENTRY SDlgCheckTimers () {
TIMERPTR callback = NULL;
DWORD currtime = GetTickCount();
ITERATELIST(TIMERREC,s_timerlist,curr)
if (currtime-curr->lasttime >= curr->elapse) {
if (currtime-curr->lasttime > 2*curr->elapse)
curr->lasttime = currtime;
else
curr->lasttime += curr->elapse;
if (curr->callback) {
callback = curr;
break;
}
else
PostMessage(curr->window,WM_TIMER,curr->id,0);
}
if (callback)
callback->callback(callback->window,WM_TIMER,callback->id,currtime);
return TRUE;
}
//===========================================================================
HWND APIENTRY SDlgCreateDialogIndirectParam (HINSTANCE instance,
LPCDLGTEMPLATE templatedata,
HWND parentwindow,
DLGPROC dialogproc,
LPARAM initparam) {
if (!s_initialized)
if (!InitializeDialogManager())
return (HWND)0;
return InternalCreateDialogBox(instance,
templatedata,
parentwindow,
dialogproc,
initparam);
}
//===========================================================================
HWND APIENTRY SDlgCreateDialogParam (HINSTANCE instance,
LPCTSTR templatename,
HWND parentwindow,
DLGPROC dialogproc,
LPARAM initparam) {
LPCDLGTEMPLATE templatedata = GetTemplateData(instance,templatename);
if (!templatedata)
return (HWND)0;
return SDlgCreateDialogIndirectParam((HINSTANCE)GetModuleHandle(NULL),
templatedata,
parentwindow,
dialogproc,
initparam);
}
//===========================================================================
BOOL APIENTRY SDlgDefDialogProc (HWND window,
UINT message,
WPARAM wparam,
LPARAM lparam) {
switch (message) {
case WM_CTLCOLORSTATIC:
{
char classname[256] = "";
GetClassName((HWND)lparam,classname,256);
if (!_stricmp(classname,"SDlgStatic")) {
SetTextColor((HDC)wparam,0xFFFFFF);
SetBkMode((HDC)wparam,TRANSPARENT);
return (BOOL)GetStockObject(NULL_BRUSH);
}
}
// IF IT'S NOT A STATIC CONTROL, FALL THROUGH TO WM_CTLCOLOREDIT
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
SetTextColor((HDC)wparam,0xFFFFFF);
SetBkColor((HDC)wparam,0);
SetBkMode((HDC)wparam,OPAQUE);
return (BOOL)GetStockObject(BLACK_BRUSH);
case WM_INITDIALOG:
return 1;
}
return 0;
}
//===========================================================================
BOOL APIENTRY SDlgDestroy () {
SDlgSetSystemCursor(NULL,NULL,NULL,OCR_NORMAL);
TIMERPTR curr;
while ((curr = s_timerlist.Head()) != NULL)
SDlgKillTimer(curr->window,curr->id);
s_bitmaplist.Clear();
if (s_basefont) {
DEL(s_basefont);
s_basefont = NULL;
}
return TRUE;
}
//===========================================================================
int APIENTRY SDlgDialogBoxIndirectParam (HINSTANCE instance,
LPCDLGTEMPLATE templatedata,
HWND parentwindow,
DLGPROC dialogproc,
LPARAM initparam) {
if (!s_initialized)
if (!InitializeDialogManager())
return -1;
// CREATE THE DIALOG BOX
HWND dialogwindow = InternalCreateDialogBox(instance,
templatedata,
parentwindow,
dialogproc,
initparam);
if (!dialogwindow)
return -1;
// FLAG THE DIALOG BOX AS MODAL AND DISABLE THE PARENT WINDOW
if (parentwindow && (parentwindow != GetDesktopWindow())) {
SetProp(dialogwindow,"SDlg_Modal",(HANDLE)1);
if (!IsIconic(parentwindow))
EnableWindow(parentwindow,0);
}
// ENTER THE MESSAGE LOOP
while (!GetProp(dialogwindow,"SDlg_EndDialog"))
DoMessageLoop(dialogwindow);
int result = (int)GetProp(dialogwindow,"SDlg_EndResult");
RemoveProp(dialogwindow,"SDlg_EndDialog");
RemoveProp(dialogwindow,"SDlg_EndResult");
RemoveProp(dialogwindow,"SDlg_Modal");
DestroyWindow(dialogwindow);
// REENABLE THE PARENT WINDOW
if (parentwindow && (parentwindow != GetDesktopWindow()))
EnableWindow(parentwindow,1);
// RETURN THE VALUE THAT WAS PASSED TO SDLGENDDIALOG()
return result;
}
//===========================================================================
int APIENTRY SDlgDialogBoxParam (HINSTANCE instance,
LPCTSTR templatename,
HWND parentwindow,
DLGPROC dialogproc,
LPARAM initparam) {
LPCDLGTEMPLATE templatedata = GetTemplateData(instance,templatename);
if (!templatedata)
return -1;
return SDlgDialogBoxIndirectParam((HINSTANCE)GetModuleHandle(NULL),
templatedata,
parentwindow,
dialogproc,
initparam);
}
//===========================================================================
BOOL APIENTRY SDlgDrawBitmap (HWND window,
DWORD usage,
HRGN region,
int offsetx,
int offsety,
LPRECT boundingoffset,
DWORD flags) {
VALIDATEBEGIN;
VALIDATE(window);
VALIDATE(usage);
VALIDATEEND;
if (!IsWindow(window))
return FALSE;
if ((usage == SDLG_USAGE_BACKGROUND) &&
(GetWindowLong(window,GWL_EXSTYLE) & WS_EX_TRANSPARENT))
return TRUE;
// FIND THE REQUESTED BITMAP
BITMAPPTR bitmap = FindBitmap(window,usage);
if (!bitmap)
return FALSE;
// DETERMINE THE BOUNDING RECTANGLE, IN SCREEN COORDINATES, FOR THIS
// WINDOW'S CLIENT AREA
RECT boundingrect;
GetClientRect(window,&boundingrect);
ClientToScreen(window,(LPPOINT)&boundingrect.left);
ClientToScreen(window,(LPPOINT)&boundingrect.right);
// APPLY ANY BOUNDING RECTANGLE OFFSETS
if (boundingoffset) {
boundingrect.left += max(0,boundingoffset->left);
boundingrect.top += max(0,boundingoffset->top);
boundingrect.right += min(0,boundingoffset->right);
boundingrect.bottom += min(0,boundingoffset->bottom);
}
// IF WE'RE NOT TILING THEN CLIP THE SIZE OF THE BOUNDING RECTANGLE
// TO THE SIZE OF THE BITMAP
if (!(flags & SDLG_DBF_TILE)) {
boundingrect.right = min(boundingrect.right,
boundingrect.left+bitmap->rect.right-bitmap->rect.left);
if (flags & SDLG_DBF_VCENTER) {
int vertspace = ((boundingrect.bottom-boundingrect.top)
-(bitmap->rect.bottom-bitmap->rect.top))/2;
if (vertspace > 0) {
boundingrect.top += vertspace;
boundingrect.bottom = boundingrect.top+bitmap->rect.bottom-bitmap->rect.top;
}
}
else
boundingrect.bottom = min(boundingrect.bottom,
boundingrect.top+bitmap->rect.bottom-bitmap->rect.top);
}
// DETERMINE THE BITMAP AND SCREEN DIMENSIONS
SIZE bitmapsize = {bitmap->width,bitmap->height};
SIZE screensize;
SDrawGetScreenSize((int *)&screensize.cx,(int *)&screensize.cy);
// DETERMINE WHETHER WE WILL HIDE AND/OR RESTORE THE CURSOR
DWORD bltflags = BLT_FLAG_LOCKSURFACE | BLT_FLAG_TILED;
if (!s_cursorhidden) {
bltflags |= BLT_FLAG_HIDECURSOR;
if (!s_inpaint)
bltflags |= BLT_FLAG_RESTORECURSOR;
}
// PERFORM THE BITBLT
InternalBltClippedToWindow(NULL,
&boundingrect,
&screensize,
0,
bitmap->bitmapbits,
&bitmap->rect,
&bitmapsize,
bitmap->width,
offsetx,
offsety,
0,
SRCCOPY,
window,
region,
bltflags,
SDRAW_SURFACE_FRONT,
s_cursorhidden ? NULL : &s_cursorhidden);
return 1;
}
//===========================================================================
BOOL APIENTRY SDlgEndDialog (HWND window,
int result) {
SetProp(window,"SDlg_EndDialog",(HANDLE)1);
SetProp(window,"SDlg_EndResult",(HANDLE)result);
return EndDialog(window,result);
}
//===========================================================================
BOOL APIENTRY SDlgEndPaint (HWND window, LPPAINTSTRUCT ps) {
if (s_cursorhidden)
do
ShowCursor(1);
while (--s_cursorhidden);
--s_inpaint;
return EndPaint(window,ps);
}
//===========================================================================
BOOL APIENTRY SDlgKillTimer (HWND window,
UINT event) {
BOOL found = FALSE;
ITERATELIST(TIMERREC,s_timerlist,curr)
if ((curr->window == window) &&
(curr->id == event)) {
found = TRUE;
ITERATE_DELETE;
}
return found;
}
//===========================================================================
BOOL APIENTRY SDlgSetBaseFont (int pointsize,
int weight,
DWORD flags,
DWORD family,
LPCTSTR face) {
if (!(pointsize && weight && face && *face))
return FALSE;
if (!s_basefont)
s_basefont = NEW(BASEFONT);
s_basefont->pointsize = pointsize;
s_basefont->weight = weight;
s_basefont->flags = flags;
s_basefont->family = family;
SStrCopy(s_basefont->face,face,32);
return TRUE;
}
//===========================================================================
BOOL APIENTRY SDlgSetBitmapE (HWND window,
HWND parentwindow,
LPCTSTR controltype,
DWORD controlstyle,
DWORD usage,
LPBYTE bitmapbits,
LPRECT rect,
int width,
int height,
COLORREF colorkey) {
VALIDATEBEGIN;
VALIDATE(window || (controltype && *controltype));
VALIDATE(usage);
VALIDATE(!(usage & ~ANYBITMAP));
VALIDATEEND;
if (!controltype)
controltype = "";
// REJECT ANY ATTEMPT TO SET A TRANSPARENCY COLOR, SINCE TRANSPARENCY
// IS NOT CURRENTLY IMPLEMENTED
if (colorkey != 0xFFFFFFFF)
return FALSE;
// REMOVE ANY BITMAPS ASSOCIATED WITH WINDOWS THAT NO LONGER EXIST
{
ITERATELIST(BITMAPREC,s_bitmaplist,curr)
if ((curr->window && !IsWindow(curr->window)) ||
(curr->parentwindow && !IsWindow(curr->parentwindow)))
ITERATE_DELETE;
}
// REMOVE THE PREVIOUS BITMAP FOR THIS WINDOW
{
BITMAPPTR curr = s_bitmaplist.Head();
while (curr &&
((curr->window != window) ||
(curr->parentwindow != parentwindow) ||
(curr->usage != usage) ||
(curr->controlstyle != controlstyle) ||
_stricmp(curr->controltype,controltype)))
curr = curr->Next();
if (curr)
s_bitmaplist.DeleteNode(curr);
}
// ADD A NEW RECORD FOR THIS BITMAP
if (bitmapbits && (width > 0) && (height > 0)) {
BITMAPPTR bitmap = s_bitmaplist.NewNode(LIST_HEAD);
bitmap->window = window;
bitmap->parentwindow = parentwindow;
bitmap->usage = usage;
bitmap->controlstyle = controlstyle;
bitmap->bitmapbits = bitmapbits;
bitmap->width = width;
bitmap->height = height;
bitmap->offsetx = 0;
bitmap->offsety = 0;
BOOL overflow = 0;
if (rect) {
bitmap->rect.left = rect->left % width;
bitmap->rect.top = rect->top % height;
bitmap->rect.right = bitmap->rect.left+rect->right-rect->left;
bitmap->rect.bottom = bitmap->rect.top+rect->bottom-rect->top;
if ((bitmap->rect.right > width) ||
(bitmap->rect.bottom > height)) {
overflow = 1;
bitmap->offsetx = bitmap->rect.left;
bitmap->offsety = bitmap->rect.top;
}
}
if ((!rect) || overflow) {
bitmap->rect.left = 0;
bitmap->rect.top = 0;
bitmap->rect.right = width;
bitmap->rect.bottom = height;
}
SStrCopy(bitmap->controltype,controltype,CONTROLTYPELENGTH);
}
return TRUE;
}
//===========================================================================
BOOL APIENTRY SDlgSetBitmapI (HWND window,
HWND parentwindow,
LPCTSTR controltype,
DWORD controlstyle,
DWORD usage,
LPBYTE bitmapbits,
LPRECT rect,
int width,
int height,
COLORREF colorkey) {
RECT exclrect;
LPRECT exclrectptr = rect;
if (rect) {
exclrect.left = rect->left;
exclrect.top = rect->top;
exclrect.right = rect->right+1;
exclrect.bottom = rect->bottom+1;
exclrectptr = &exclrect;
}
return SDlgSetBitmapE(window,
parentwindow,
controltype,
controlstyle,
usage,
bitmapbits,
exclrectptr,
width,
height,
colorkey);
}
//===========================================================================
BOOL APIENTRY SDlgSetControlBitmaps (HWND parentwindow,
LPINT controllist,
LPDWORD usagelist,
LPBYTE bitmapbits,
LPSIZE bitmapsize,
DWORD adjusttype,
DWORD colorkey) {
VALIDATEBEGIN;
VALIDATE(parentwindow);
VALIDATE(controllist);
VALIDATE(bitmapbits);
VALIDATE(bitmapsize);
VALIDATE(bitmapsize->cx > 0);
VALIDATE(bitmapsize->cy > 0);
VALIDATEEND;
// IF THE USAGE LIST WAS NOT PROVIDED, SUPPLY A DEFAULT LIST
// BASED ON THE ADJUSTMENT TYPE
static const DWORD defaultcontrolposlist[2] = {SDLG_USAGE_BACKGROUND,
0};
static const DWORD defaultverticallist[6] = {SDLG_USAGE_NORMAL_UNFOCUSED,
SDLG_USAGE_SELECTED_UNFOCUSED,
SDLG_USAGE_NORMAL_FOCUSED,
SDLG_USAGE_SELECTED_FOCUSED,
SDLG_USAGE_GRAYED,
0};
if (!usagelist)
if (adjusttype == SDLG_ADJUST_VERTICAL)
usagelist = (LPDWORD)&defaultverticallist[0];
else
usagelist = (LPDWORD)&defaultcontrolposlist[0];
// PROCESS ALL CONTROLS AND USAGE TYPES
RECT rect = {0,0,0,0};
BOOL success = 1;
for (LPINT currcontrol = controllist; *currcontrol; ++currcontrol) {
HWND window = GetDlgItem(parentwindow,*currcontrol);
if (window) {
RECT clientrect;
RECT windowrect;
GetClientRect(window,&clientrect);
GetWindowRect(window,&windowrect);
for (LPDWORD currusage = usagelist; *currusage; ++currusage) {
// IF REQUESTED, ADJUST THE RECTANGLE BASED ON THE CONTROL POSITION
if (adjusttype == SDLG_ADJUST_CONTROLPOS) {
rect.left = windowrect.left;
rect.top = windowrect.top;
ScreenToClient(parentwindow,(LPPOINT)&rect);
}
// DETERMINE THE WIDTH AND HEIGHT OF THE RECTANGLE BASED ON THE
// SIZE OF THE WINDOW
rect.right = rect.left+clientrect.right-clientrect.left;
rect.bottom = rect.top+clientrect.bottom-clientrect.top;
// REGISTER THE BITMAP
if (!SDlgSetBitmapE(window,
(HWND)0,
NULL,
SDLG_STYLE_ANY,
*currusage,
bitmapbits,
&rect,
bitmapsize->cx,
bitmapsize->cy,
colorkey))
success = 0;
// IF REQUESTED, OFFSET THE RECTANGLE VERTICALLY
if (adjusttype == SDLG_ADJUST_VERTICAL) {
rect.top = rect.bottom;
if (rect.top >= bitmapsize->cy)
rect.top = 0;
}
}
}
else
success = 0;
}
return success;
}
//===========================================================================
BOOL APIENTRY SDlgSetCursor (HWND window,
HCURSOR cursor,
DWORD id,
HCURSOR *oldcursor) {
if (oldcursor)
*oldcursor = (HCURSOR)0;
LPCSTR normalclasslist[6] = {"Button","SDlgStatic","ListBox","Scrollbar","ComboBox",NULL};
LPCSTR ibeamclasslist[2] = {"Edit",NULL};
LPCSTR *classlist;
switch (id) {
case OCR_NORMAL: classlist = normalclasslist; break;
case OCR_IBEAM: classlist = ibeamclasslist; break;
default: return 0;
}
if (id == OCR_NORMAL) {
if (oldcursor)
*oldcursor = (HCURSOR)GetClassLong(window,GCL_HCURSOR);
SetClassLong(window,GCL_HCURSOR,(LONG)cursor);
}
while (*classlist) {
HWND classwindow = FindWindowEx(window,(HWND)0,*classlist,NULL);
if (classwindow) {
if (oldcursor && (id != OCR_NORMAL))
*oldcursor = (HCURSOR)GetClassLong(window,GCL_HCURSOR);
SetClassLong(classwindow,GCL_HCURSOR,(LONG)cursor);
}
++classlist;
}
return TRUE;
}
//===========================================================================
BOOL APIENTRY SDlgSetSystemCursor (LPBYTE maskbitmap,
LPBYTE imagebitmap,
LPSIZE size,
DWORD id) {
if (id != OCR_NORMAL)
return FALSE;
if (maskbitmap && imagebitmap) {
SDlgSetSystemCursor(NULL,NULL,NULL,id);
s_cursormask = maskbitmap;
s_cursorimage = imagebitmap;
s_cursorsize.cx = size->cx;
s_cursorsize.cy = size->cy;
POINT pt;
GetCursorPos(&pt);
AdjustCursorPos((HWND)0,pt.x,pt.y);
}
else {
s_cursormask = NULL;
s_cursorimage = NULL;
s_cursorpos.x = -1;
s_cursorpos.y = -1;
}
return TRUE;
}
//===========================================================================
BOOL APIENTRY SDlgSetTimer (HWND window,
UINT event,
UINT elapse,
TIMERPROC timerfunc) {
SDlgKillTimer(window,event);
TIMERPTR ptr = s_timerlist.NewNode();
ptr->window = window;
ptr->id = event;
ptr->elapse = elapse;
ptr->callback = timerfunc;
ptr->lasttime = GetTickCount();
return event;
}
//===========================================================================
BOOL APIENTRY SDlgUpdateCursor () {
CheckCursorPos();
return TRUE;
}
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