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![Steven Edwards](/assets/img/avatar_default.png)
next few weeks. I'm going through the DFLAT api doc and fixing the export names and then going to try to build a simple hello dflat application. svn path=/trunk/; revision=2844
1086 lines
30 KiB
C
1086 lines
30 KiB
C
/* ------------- normal.c ------------ */
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#include "dflat32/dflat.h"
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#ifdef INCLUDE_MULTI_WINDOWS
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static void PaintOverLappers(DFWINDOW wnd);
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static void PaintUnderLappers(DFWINDOW wnd);
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#endif
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static BOOL InsideWindow(DFWINDOW, int, int);
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static void TerminateMoveSize(void);
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static void SaveBorder(DFRECT);
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static void RestoreBorder(DFRECT);
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static void GetVideoBuffer(DFWINDOW);
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static void PutVideoBuffer(DFWINDOW);
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#ifdef INCLUDE_MINIMIZE
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static DFRECT PositionIcon(DFWINDOW);
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#endif
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static void dragborder(DFWINDOW, int, int);
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static void sizeborder(DFWINDOW, int, int);
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static int px = -1, py = -1;
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static int diff;
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static struct window dwnd = {DUMMY, NULL, NormalProc,
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{-1,-1,-1,-1}};
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static PCHAR_INFO Bsave;
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static int Bht, Bwd;
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BOOL WindowMoving;
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BOOL WindowSizing;
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/* -------- array of class definitions -------- */
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CLASSDEFS classdefs[] = {
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#undef ClassDef
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#define ClassDef(c,b,p,a) {b,p,a},
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#include "dflat32/classes.h"
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};
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DFWINDOW HiddenWindow;
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/* --------- CREATE_WINDOW Message ---------- */
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static void CreateWindowMsg(DFWINDOW wnd)
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{
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AppendWindow(wnd);
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// ClearAttribute(wnd, VSCROLLBAR | HSCROLLBAR);
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if (TestAttribute(wnd, SAVESELF) && isVisible(wnd))
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GetVideoBuffer(wnd);
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}
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/* --------- SHOW_WINDOW Message ---------- */
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static void ShowWindowMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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if (GetParent(wnd) == NULL || isVisible(GetParent(wnd)))
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{
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DFWINDOW cwnd;
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if (TestAttribute(wnd, SAVESELF) && wnd->videosave == NULL)
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GetVideoBuffer(wnd);
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SetVisible(wnd);
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DfSendMessage(wnd, PAINT, 0, TRUE);
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DfSendMessage(wnd, BORDER, 0, 0);
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/* --- show the children of this window --- */
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cwnd = FirstWindow(wnd);
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while (cwnd != NULL)
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{
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if (cwnd->condition != ISCLOSING)
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DfSendMessage(cwnd, SHOW_WINDOW, p1, p2);
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cwnd = NextWindow(cwnd);
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}
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}
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}
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/* --------- HIDE_WINDOW Message ---------- */
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static void HideWindowMsg(DFWINDOW wnd)
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{
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if (isVisible(wnd))
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{
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ClearVisible(wnd);
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/* --- paint what this window covered --- */
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if (TestAttribute(wnd, SAVESELF))
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PutVideoBuffer(wnd);
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#ifdef INCLUDE_MULTI_WINDOWS
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else
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PaintOverLappers(wnd);
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#endif
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}
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}
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/* --------- KEYBOARD Message ---------- */
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static BOOL KeyboardMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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if (WindowMoving || WindowSizing) {
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/* -- move or size a window with keyboard -- */
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int x, y;
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x=WindowMoving?GetLeft(&dwnd):GetRight(&dwnd);
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y=WindowMoving?GetTop(&dwnd):GetBottom(&dwnd);
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switch ((int)p1) {
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case ESC:
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TerminateMoveSize();
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return TRUE;
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case UP:
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if (y)
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--y;
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break;
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case DN:
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if (y < DfGetScreenHeight()-1)
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y++;
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break;
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case FWD:
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if (x < DfGetScreenWidth()-1)
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x++;
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break;
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case BS:
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if (x)
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--x;
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break;
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case '\r':
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DfSendMessage(wnd, DFM_BUTTON_RELEASED,x,y);
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default:
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return TRUE;
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}
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/* -- use the mouse functions to move/size - */
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DfSendMessage(wnd, MOUSE_MOVED, x, y);
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return TRUE;
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}
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switch ((int)p1)
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{
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case F1:
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DfSendMessage(wnd, DFM_COMMAND, ID_HELP, 0);
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return TRUE;
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case ' ':
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if ((int)p2 & ALTKEY)
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if (TestAttribute(wnd, HASTITLEBAR))
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if (TestAttribute(wnd, CONTROLBOX))
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BuildSystemMenu(wnd);
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return TRUE;
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case CTRL_F4:
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if (TestAttribute(wnd, CONTROLBOX))
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{
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DfSendMessage(wnd, CLOSE_WINDOW, 0, 0);
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SkipApplicationControls();
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return TRUE;
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}
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break;
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default:
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break;
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}
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return FALSE;
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}
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/* --------- COMMAND Message ---------- */
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static void CommandMsg(DFWINDOW wnd, PARAM p1)
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{
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switch ((int)p1) {
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case ID_HELP:
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DisplayHelp(wnd,ClassNames[GetClass(wnd)]);
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break;
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#ifdef INCLUDE_RESTORE
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case ID_SYSRESTORE:
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DfSendMessage(wnd, RESTORE, 0, 0);
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break;
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#endif
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case ID_SYSMOVE:
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DfSendMessage(wnd, CAPTURE_MOUSE, TRUE,
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(PARAM) &dwnd);
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DfSendMessage(wnd, CAPTURE_KEYBOARD, TRUE,
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(PARAM) &dwnd);
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WindowMoving = TRUE;
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dragborder(wnd, GetLeft(wnd), GetTop(wnd));
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break;
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case ID_SYSSIZE:
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DfSendMessage(wnd, CAPTURE_MOUSE, TRUE,
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(PARAM) &dwnd);
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DfSendMessage(wnd, CAPTURE_KEYBOARD, TRUE,
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(PARAM) &dwnd);
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WindowSizing = TRUE;
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dragborder(wnd, GetLeft(wnd), GetTop(wnd));
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break;
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#ifdef INCLUDE_MINIMIZE
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case ID_SYSMINIMIZE:
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DfSendMessage(wnd, MINIMIZE, 0, 0);
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break;
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#endif
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#ifdef INCLUDE_MAXIMIZE
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case ID_SYSMAXIMIZE:
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DfSendMessage(wnd, MAXIMIZE, 0, 0);
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break;
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#endif
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case ID_SYSCLOSE:
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DfSendMessage(wnd, CLOSE_WINDOW, 0, 0);
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SkipApplicationControls();
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break;
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default:
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break;
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}
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}
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/* --------- SETFOCUS Message ---------- */
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static void SetFocusMsg(DFWINDOW wnd, PARAM p1)
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{
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DFRECT rc = {0,0,0,0};
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if (p1 && wnd != NULL && inFocus != wnd)
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{
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DFWINDOW this, thispar;
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DFWINDOW that = NULL, thatpar = NULL;
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DFWINDOW cwnd = wnd, fwnd = GetParent(wnd);
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/* ---- post focus in ancestors ---- */
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while (fwnd != NULL)
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{
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fwnd->childfocus = cwnd;
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cwnd = fwnd;
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fwnd = GetParent(fwnd);
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}
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/* ---- de-post focus in self and children ---- */
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fwnd = wnd;
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while (fwnd != NULL)
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{
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cwnd = fwnd->childfocus;
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fwnd->childfocus = NULL;
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fwnd = cwnd;
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}
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this = wnd;
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that = thatpar = inFocus;
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/* ---- find common ancestor of prev focus and this window --- */
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while (thatpar != NULL)
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{
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thispar = wnd;
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while (thispar != NULL)
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{
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if (this == CaptureMouse || this == CaptureKeyboard)
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{
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/* ---- don't repaint if this window has capture ---- */
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that = thatpar = NULL;
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break;
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}
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if (thispar == thatpar)
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{
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/* ---- don't repaint if SAVESELF window had focus ---- */
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if (this != that && TestAttribute(that, SAVESELF))
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that = thatpar = NULL;
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break;
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}
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this = thispar;
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thispar = GetParent(thispar);
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}
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if (thispar != NULL)
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break;
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that = thatpar;
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thatpar = GetParent(thatpar);
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}
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if (inFocus != NULL)
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DfSendMessage(inFocus, SETFOCUS, FALSE, 0);
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inFocus = wnd;
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if (that != NULL && isVisible(wnd))
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{
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rc = subRectangle(WindowRect(that), WindowRect(this));
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if (!ValidRect(rc))
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{
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if (ApplicationWindow != NULL)
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{
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DFWINDOW fwnd = FirstWindow(ApplicationWindow);
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while (fwnd != NULL)
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{
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if (!isAncestor(wnd, fwnd))
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{
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rc = subRectangle(WindowRect(wnd),WindowRect(fwnd));
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if (ValidRect(rc))
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break;
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}
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fwnd = NextWindow(fwnd);
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}
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}
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}
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}
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if (that != NULL && !ValidRect(rc) && isVisible(wnd))
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{
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DfSendMessage(wnd, BORDER, 0, 0);
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this = NULL;
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}
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ReFocus(wnd);
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if (this != NULL)
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DfSendMessage(this, SHOW_WINDOW, 0, 0);
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}
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else if (!p1 && inFocus == wnd)
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{
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/* clearing focus */
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inFocus = NULL;
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DfSendMessage(wnd, BORDER, 0, 0);
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}
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}
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/* --------- DOUBLE_CLICK Message ---------- */
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static void DoubleClickMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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int mx = (int) p1 - GetLeft(wnd);
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int my = (int) p2 - GetTop(wnd);
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if (!WindowSizing && !WindowMoving) {
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if (HitControlBox(wnd, mx, my)) {
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DfPostMessage(wnd, CLOSE_WINDOW, 0, 0);
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SkipApplicationControls();
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}
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}
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}
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/* --------- LEFT_BUTTON Message ---------- */
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static void LeftButtonMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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int mx = (int) p1 - GetLeft(wnd);
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int my = (int) p2 - GetTop(wnd);
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if (WindowSizing || WindowMoving)
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return;
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if (HitControlBox(wnd, mx, my)) {
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BuildSystemMenu(wnd);
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return;
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}
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if (my == 0 && mx > -1 && mx < WindowWidth(wnd)) {
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/* ---------- hit the top border -------- */
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if (TestAttribute(wnd, MINMAXBOX) &&
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TestAttribute(wnd, HASTITLEBAR)) {
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if (mx == WindowWidth(wnd)-2) {
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if (wnd->condition != ISRESTORED)
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/* --- hit the restore box --- */
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DfSendMessage(wnd, RESTORE, 0, 0);
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#ifdef INCLUDE_MAXIMIZE
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else
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/* --- hit the maximize box --- */
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DfSendMessage(wnd, MAXIMIZE, 0, 0);
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#endif
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return;
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}
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#ifdef INCLUDE_MINIMIZE
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if (mx == WindowWidth(wnd)-3) {
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/* --- hit the minimize box --- */
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if (wnd->condition != ISMINIMIZED)
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DfSendMessage(wnd, MINIMIZE, 0, 0);
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return;
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}
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#endif
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}
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#ifdef INCLUDE_MAXIMIZE
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if (wnd->condition == ISMAXIMIZED)
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return;
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#endif
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if (TestAttribute(wnd, MOVEABLE)) {
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WindowMoving = TRUE;
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px = mx;
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py = my;
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diff = (int) mx;
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DfSendMessage(wnd, CAPTURE_MOUSE, TRUE,
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(PARAM) &dwnd);
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dragborder(wnd, GetLeft(wnd), GetTop(wnd));
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}
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return;
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}
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if (mx == WindowWidth(wnd)-1 &&
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my == WindowHeight(wnd)-1) {
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/* ------- hit the resize corner ------- */
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#ifdef INCLUDE_MINIMIZE
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if (wnd->condition == ISMINIMIZED)
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return;
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#endif
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if (!TestAttribute(wnd, SIZEABLE))
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return;
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#ifdef INCLUDE_MAXIMIZE
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if (wnd->condition == ISMAXIMIZED) {
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if (GetParent(wnd) == NULL)
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return;
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if (TestAttribute(GetParent(wnd),HASBORDER))
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return;
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/* ----- resizing a maximized window over a
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borderless parent ----- */
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wnd = GetParent(wnd);
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}
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#endif
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WindowSizing = TRUE;
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DfSendMessage(wnd, CAPTURE_MOUSE,
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TRUE, (PARAM) &dwnd);
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dragborder(wnd, GetLeft(wnd), GetTop(wnd));
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}
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}
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/* --------- MOUSE_MOVED Message ---------- */
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static BOOL MouseMovedMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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if (WindowMoving) {
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int leftmost = 0, topmost = 0,
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bottommost = DfGetScreenHeight()-2,
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rightmost = DfGetScreenWidth()-2;
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int x = (int) p1 - diff;
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int y = (int) p2;
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if (GetParent(wnd) != NULL &&
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!TestAttribute(wnd, NOCLIP)) {
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DFWINDOW wnd1 = GetParent(wnd);
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topmost = GetClientTop(wnd1);
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leftmost = GetClientLeft(wnd1);
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bottommost = GetClientBottom(wnd1);
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rightmost = GetClientRight(wnd1);
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}
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if (x < leftmost || x > rightmost ||
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y < topmost || y > bottommost) {
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x = max(x, leftmost);
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x = min(x, rightmost);
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y = max(y, topmost);
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y = min(y, bottommost);
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}
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if (x != px || y != py) {
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px = x;
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py = y;
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dragborder(wnd, x, y);
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}
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return TRUE;
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}
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if (WindowSizing) {
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sizeborder(wnd, (int) p1, (int) p2);
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return TRUE;
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}
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return FALSE;
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}
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#ifdef INCLUDE_MAXIMIZE
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/* --------- MAXIMIZE Message ---------- */
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static void MaximizeMsg(DFWINDOW wnd)
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{
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DFRECT rc = {0, 0, 0, 0};
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DFRECT holdrc;
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holdrc = wnd->RestoredRC;
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rc.rt = DfGetScreenWidth()-1;
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rc.bt = DfGetScreenHeight()-1;
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if (GetParent(wnd))
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rc = ClientRect(GetParent(wnd));
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wnd->oldcondition = wnd->condition;
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wnd->condition = ISMAXIMIZED;
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DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
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DfSendMessage(wnd, MOVE,
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RectLeft(rc), RectTop(rc));
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DfSendMessage(wnd, DFM_SIZE,
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RectRight(rc), RectBottom(rc));
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if (wnd->restored_attrib == 0)
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wnd->restored_attrib = wnd->attrib;
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ClearAttribute(wnd, SHADOW);
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DfSendMessage(wnd, SHOW_WINDOW, 0, 0);
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wnd->RestoredRC = holdrc;
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}
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#endif
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#ifdef INCLUDE_MINIMIZE
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/* --------- MINIMIZE Message ---------- */
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static void MinimizeMsg(DFWINDOW wnd)
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{
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DFRECT rc;
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DFRECT holdrc;
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holdrc = wnd->RestoredRC;
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rc = PositionIcon(wnd);
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wnd->oldcondition = wnd->condition;
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wnd->condition = ISMINIMIZED;
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DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
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DfSendMessage(wnd, MOVE,
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RectLeft(rc), RectTop(rc));
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DfSendMessage(wnd, DFM_SIZE,
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RectRight(rc), RectBottom(rc));
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if (wnd == inFocus)
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SetNextFocus();
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if (wnd->restored_attrib == 0)
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wnd->restored_attrib = wnd->attrib;
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ClearAttribute(wnd,
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SHADOW | SIZEABLE | HASMENUBAR |
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VSCROLLBAR | HSCROLLBAR);
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DfSendMessage(wnd, SHOW_WINDOW, 0, 0);
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wnd->RestoredRC = holdrc;
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}
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#endif
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|
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#ifdef INCLUDE_RESTORE
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/* --------- RESTORE Message ---------- */
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static void RestoreMsg(DFWINDOW wnd)
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{
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DFRECT holdrc;
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holdrc = wnd->RestoredRC;
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wnd->oldcondition = wnd->condition;
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wnd->condition = ISRESTORED;
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DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
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wnd->attrib = wnd->restored_attrib;
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wnd->restored_attrib = 0;
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DfSendMessage(wnd, MOVE, wnd->RestoredRC.lf,
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wnd->RestoredRC.tp);
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wnd->RestoredRC = holdrc;
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DfSendMessage(wnd, DFM_SIZE, wnd->RestoredRC.rt,
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wnd->RestoredRC.bt);
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if (wnd != inFocus)
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DfSendMessage(wnd, SETFOCUS, TRUE, 0);
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else
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DfSendMessage(wnd, SHOW_WINDOW, 0, 0);
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}
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#endif
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/* --------- MOVE Message ---------- */
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static void MoveMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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DFWINDOW cwnd;
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BOOL wasVisible = isVisible(wnd);
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int xdif = (int) p1 - wnd->rc.lf;
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int ydif = (int) p2 - wnd->rc.tp;
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|
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if (xdif == 0 && ydif == 0)
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return;
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if (wasVisible)
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DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
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wnd->rc.lf = (int) p1;
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wnd->rc.tp = (int) p2;
|
|
wnd->rc.rt = GetLeft(wnd)+WindowWidth(wnd)-1;
|
|
wnd->rc.bt = GetTop(wnd)+WindowHeight(wnd)-1;
|
|
if (wnd->condition == ISRESTORED)
|
|
wnd->RestoredRC = wnd->rc;
|
|
|
|
cwnd = FirstWindow(wnd);
|
|
while (cwnd != NULL) {
|
|
DfSendMessage(cwnd, MOVE, cwnd->rc.lf+xdif, cwnd->rc.tp+ydif);
|
|
cwnd = NextWindow(cwnd);
|
|
}
|
|
if (wasVisible)
|
|
DfSendMessage(wnd, SHOW_WINDOW, 0, 0);
|
|
}
|
|
|
|
/* --------- SIZE Message ---------- */
|
|
static void SizeMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
|
|
{
|
|
BOOL wasVisible = isVisible(wnd);
|
|
DFWINDOW cwnd;
|
|
DFRECT rc;
|
|
int xdif = (int) p1 - wnd->rc.rt;
|
|
int ydif = (int) p2 - wnd->rc.bt;
|
|
|
|
if (xdif == 0 && ydif == 0)
|
|
return;
|
|
if (wasVisible)
|
|
DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
|
|
wnd->rc.rt = (int) p1;
|
|
wnd->rc.bt = (int) p2;
|
|
wnd->ht = GetBottom(wnd)-GetTop(wnd)+1;
|
|
wnd->wd = GetRight(wnd)-GetLeft(wnd)+1;
|
|
|
|
if (wnd->condition == ISRESTORED)
|
|
wnd->RestoredRC = WindowRect(wnd);
|
|
|
|
#ifdef INCLUDE_MAXIMIZE
|
|
rc = ClientRect(wnd);
|
|
|
|
cwnd = FirstWindow(wnd);
|
|
while (cwnd != NULL) {
|
|
if (cwnd->condition == ISMAXIMIZED)
|
|
DfSendMessage(cwnd, DFM_SIZE, RectRight(rc), RectBottom(rc));
|
|
cwnd = NextWindow(cwnd);
|
|
}
|
|
|
|
#endif
|
|
if (wasVisible)
|
|
DfSendMessage(wnd, SHOW_WINDOW, 0, 0);
|
|
}
|
|
|
|
/* --------- CLOSE_WINDOW Message ---------- */
|
|
static void CloseWindowMsg(DFWINDOW wnd)
|
|
{
|
|
DFWINDOW cwnd;
|
|
wnd->condition = ISCLOSING;
|
|
if (wnd->PrevMouse != NULL)
|
|
DfSendMessage(wnd, RELEASE_MOUSE, 0, 0);
|
|
if (wnd->PrevKeyboard != NULL)
|
|
DfSendMessage(wnd, RELEASE_KEYBOARD, 0, 0);
|
|
/* ----------- hide this window ------------ */
|
|
DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
|
|
/* --- close the children of this window --- */
|
|
|
|
cwnd = LastWindow(wnd);
|
|
while (cwnd != NULL) {
|
|
if (inFocus == cwnd)
|
|
inFocus = wnd;
|
|
DfSendMessage(cwnd,CLOSE_WINDOW,0,0);
|
|
cwnd = LastWindow(wnd);
|
|
}
|
|
|
|
/* --- change focus if this window had it -- */
|
|
if (wnd == inFocus)
|
|
SetPrevFocus();
|
|
/* -- free memory allocated to this window - */
|
|
if (wnd->title != NULL)
|
|
free(wnd->title);
|
|
if (wnd->videosave != NULL)
|
|
free(wnd->videosave);
|
|
/* -- remove window from parent's list of children -- */
|
|
RemoveWindow(wnd);
|
|
if (wnd == inFocus)
|
|
inFocus = NULL;
|
|
free(wnd);
|
|
}
|
|
|
|
/* ---- Window-processing module for NORMAL window class ---- */
|
|
int NormalProc(DFWINDOW wnd, DFMESSAGE msg, PARAM p1, PARAM p2)
|
|
{
|
|
switch (msg) {
|
|
case CREATE_WINDOW:
|
|
CreateWindowMsg(wnd);
|
|
break;
|
|
case SHOW_WINDOW:
|
|
ShowWindowMsg(wnd, p1, p2);
|
|
break;
|
|
case DFM_HIDE_WINDOW:
|
|
HideWindowMsg(wnd);
|
|
break;
|
|
case DISPLAY_HELP:
|
|
DisplayHelp(wnd, (char *)p1);
|
|
break;
|
|
case INSIDE_WINDOW:
|
|
return InsideWindow(wnd, (int) p1, (int) p2);
|
|
case KEYBOARD:
|
|
if (KeyboardMsg(wnd, p1, p2))
|
|
return TRUE;
|
|
/* ------- fall through ------- */
|
|
case ADDSTATUS:
|
|
case SHIFT_CHANGED:
|
|
if (GetParent(wnd) != NULL)
|
|
DfPostMessage(GetParent(wnd), msg, p1, p2);
|
|
break;
|
|
case PAINT:
|
|
if (isVisible(wnd))
|
|
ClearWindow(wnd, (DFRECT *)p1, ' ');
|
|
break;
|
|
case BORDER:
|
|
if (isVisible(wnd))
|
|
{
|
|
if (TestAttribute(wnd, HASBORDER))
|
|
RepaintBorder(wnd, (DFRECT *)p1);
|
|
else if (TestAttribute(wnd, HASTITLEBAR))
|
|
DisplayTitle(wnd, (DFRECT *)p1);
|
|
}
|
|
break;
|
|
case DFM_COMMAND:
|
|
CommandMsg(wnd, p1);
|
|
break;
|
|
case SETFOCUS:
|
|
SetFocusMsg(wnd, p1);
|
|
break;
|
|
case DFM_DOUBLE_CLICK:
|
|
DoubleClickMsg(wnd, p1, p2);
|
|
break;
|
|
case LEFT_BUTTON:
|
|
LeftButtonMsg(wnd, p1, p2);
|
|
break;
|
|
case MOUSE_MOVED:
|
|
if (MouseMovedMsg(wnd, p1, p2))
|
|
return TRUE;
|
|
break;
|
|
case DFM_BUTTON_RELEASED:
|
|
if (WindowMoving || WindowSizing)
|
|
{
|
|
if (WindowMoving)
|
|
DfPostMessage(wnd,MOVE,dwnd.rc.lf,dwnd.rc.tp);
|
|
else
|
|
DfPostMessage(wnd, DFM_SIZE,dwnd.rc.rt,dwnd.rc.bt);
|
|
TerminateMoveSize();
|
|
}
|
|
break;
|
|
#ifdef INCLUDE_MAXIMIZE
|
|
case MAXIMIZE:
|
|
if (wnd->condition != ISMAXIMIZED)
|
|
MaximizeMsg(wnd);
|
|
break;
|
|
#endif
|
|
#ifdef INCLUDE_MINIMIZE
|
|
case MINIMIZE:
|
|
if (wnd->condition != ISMINIMIZED)
|
|
MinimizeMsg(wnd);
|
|
break;
|
|
#endif
|
|
#ifdef INCLUDE_RESTORE
|
|
case RESTORE:
|
|
if (wnd->condition != ISRESTORED) {
|
|
#ifdef INCLUDE_MAXIMIZE
|
|
if (wnd->oldcondition == ISMAXIMIZED)
|
|
DfSendMessage(wnd, MAXIMIZE, 0, 0);
|
|
else
|
|
#endif
|
|
RestoreMsg(wnd);
|
|
}
|
|
break;
|
|
#endif
|
|
case MOVE:
|
|
MoveMsg(wnd, p1, p2);
|
|
break;
|
|
case DFM_SIZE: {
|
|
SizeMsg(wnd, p1, p2);
|
|
break;
|
|
}
|
|
case CLOSE_WINDOW:
|
|
CloseWindowMsg(wnd);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|
|
#ifdef INCLUDE_MINIMIZE
|
|
/* ---- compute lower right icon space in a rectangle ---- */
|
|
static DFRECT LowerRight(DFRECT prc)
|
|
{
|
|
DFRECT rc;
|
|
RectLeft(rc) = RectRight(prc) - ICONWIDTH;
|
|
RectTop(rc) = RectBottom(prc) - ICONHEIGHT;
|
|
RectRight(rc) = RectLeft(rc)+ICONWIDTH-1;
|
|
RectBottom(rc) = RectTop(rc)+ICONHEIGHT-1;
|
|
return rc;
|
|
}
|
|
/* ----- compute a position for a minimized window icon ---- */
|
|
static DFRECT PositionIcon(DFWINDOW wnd)
|
|
{
|
|
DFWINDOW pwnd = GetParent(wnd);
|
|
DFRECT rc;
|
|
RectLeft(rc) = DfGetScreenWidth()-ICONWIDTH;
|
|
RectTop(rc) = DfGetScreenHeight()-ICONHEIGHT;
|
|
RectRight(rc) = DfGetScreenWidth()-1;
|
|
RectBottom(rc) = DfGetScreenHeight()-1;
|
|
if (pwnd != NULL) {
|
|
DFRECT prc = WindowRect(pwnd);
|
|
DFWINDOW cwnd = FirstWindow(pwnd);
|
|
rc = LowerRight(prc);
|
|
/* - search for icon available location - */
|
|
while (cwnd != NULL) {
|
|
if (cwnd->condition == ISMINIMIZED) {
|
|
DFRECT rc1;
|
|
rc1 = WindowRect(cwnd);
|
|
if (RectLeft(rc1) == RectLeft(rc) &&
|
|
RectTop(rc1) == RectTop(rc)) {
|
|
RectLeft(rc) -= ICONWIDTH;
|
|
RectRight(rc) -= ICONWIDTH;
|
|
if (RectLeft(rc) < RectLeft(prc)+1) {
|
|
RectLeft(rc) =
|
|
RectRight(prc)-ICONWIDTH;
|
|
RectRight(rc) =
|
|
RectLeft(rc)+ICONWIDTH-1;
|
|
RectTop(rc) -= ICONHEIGHT;
|
|
RectBottom(rc) -= ICONHEIGHT;
|
|
if (RectTop(rc) < RectTop(prc)+1)
|
|
return LowerRight(prc);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
cwnd = NextWindow(cwnd);
|
|
}
|
|
}
|
|
return rc;
|
|
}
|
|
#endif
|
|
/* ----- terminate the move or size operation ----- */
|
|
static void TerminateMoveSize(void)
|
|
{
|
|
px = py = -1;
|
|
diff = 0;
|
|
DfSendMessage(&dwnd, RELEASE_MOUSE, TRUE, 0);
|
|
DfSendMessage(&dwnd, RELEASE_KEYBOARD, TRUE, 0);
|
|
RestoreBorder(dwnd.rc);
|
|
WindowMoving = WindowSizing = FALSE;
|
|
}
|
|
/* ---- build a dummy window border for moving or sizing --- */
|
|
static void dragborder(DFWINDOW wnd, int x, int y)
|
|
{
|
|
RestoreBorder(dwnd.rc);
|
|
/* ------- build the dummy window -------- */
|
|
dwnd.rc.lf = x;
|
|
dwnd.rc.tp = y;
|
|
dwnd.rc.rt = dwnd.rc.lf+WindowWidth(wnd)-1;
|
|
dwnd.rc.bt = dwnd.rc.tp+WindowHeight(wnd)-1;
|
|
dwnd.ht = WindowHeight(wnd);
|
|
dwnd.wd = WindowWidth(wnd);
|
|
dwnd.parent = GetParent(wnd);
|
|
dwnd.attrib = VISIBLE | HASBORDER | NOCLIP;
|
|
InitWindowColors(&dwnd);
|
|
SaveBorder(dwnd.rc);
|
|
RepaintBorder(&dwnd, NULL);
|
|
}
|
|
/* ---- write the dummy window border for sizing ---- */
|
|
static void sizeborder(DFWINDOW wnd, int rt, int bt)
|
|
{
|
|
int leftmost = GetLeft(wnd)+10;
|
|
int topmost = GetTop(wnd)+3;
|
|
int bottommost = DfGetScreenHeight()-1;
|
|
int rightmost = DfGetScreenWidth()-1;
|
|
if (GetParent(wnd)) {
|
|
bottommost = min(bottommost,
|
|
GetClientBottom(GetParent(wnd)));
|
|
rightmost = min(rightmost,
|
|
GetClientRight(GetParent(wnd)));
|
|
}
|
|
rt = min(rt, rightmost);
|
|
bt = min(bt, bottommost);
|
|
rt = max(rt, leftmost);
|
|
bt = max(bt, topmost);
|
|
|
|
if (rt != px || bt != py)
|
|
RestoreBorder(dwnd.rc);
|
|
|
|
/* ------- change the dummy window -------- */
|
|
dwnd.ht = bt-dwnd.rc.tp+1;
|
|
dwnd.wd = rt-dwnd.rc.lf+1;
|
|
dwnd.rc.rt = rt;
|
|
dwnd.rc.bt = bt;
|
|
if (rt != px || bt != py) {
|
|
px = rt;
|
|
py = bt;
|
|
SaveBorder(dwnd.rc);
|
|
RepaintBorder(&dwnd, NULL);
|
|
}
|
|
}
|
|
#ifdef INCLUDE_MULTI_WINDOWS
|
|
/* ----- adjust a rectangle to include the shadow ----- */
|
|
static DFRECT adjShadow(DFWINDOW wnd)
|
|
{
|
|
DFRECT rc;
|
|
rc = wnd->rc;
|
|
if (TestAttribute(wnd, SHADOW)) {
|
|
if (RectRight(rc) < DfGetScreenWidth()-1)
|
|
RectRight(rc)++;
|
|
if (RectBottom(rc) < DfGetScreenHeight()-1)
|
|
RectBottom(rc)++;
|
|
}
|
|
return rc;
|
|
}
|
|
/* --- repaint a rectangular subsection of a window --- */
|
|
static void PaintOverLap(DFWINDOW wnd, DFRECT rc)
|
|
{
|
|
if (isVisible(wnd)) {
|
|
int isBorder, isTitle, isData;
|
|
isBorder = isTitle = FALSE;
|
|
isData = TRUE;
|
|
if (TestAttribute(wnd, HASBORDER)) {
|
|
isBorder = RectLeft(rc) == 0 &&
|
|
RectTop(rc) < WindowHeight(wnd);
|
|
isBorder |= RectLeft(rc) < WindowWidth(wnd) &&
|
|
RectRight(rc) >= WindowWidth(wnd)-1 &&
|
|
RectTop(rc) < WindowHeight(wnd);
|
|
isBorder |= RectTop(rc) == 0 &&
|
|
RectLeft(rc) < WindowWidth(wnd);
|
|
isBorder |= RectTop(rc) < WindowHeight(wnd) &&
|
|
RectBottom(rc) >= WindowHeight(wnd)-1 &&
|
|
RectLeft(rc) < WindowWidth(wnd);
|
|
}
|
|
else if (TestAttribute(wnd, HASTITLEBAR))
|
|
isTitle = RectTop(rc) == 0 &&
|
|
RectRight(rc) > 0 &&
|
|
RectLeft(rc)<WindowWidth(wnd)-BorderAdj(wnd);
|
|
|
|
if (RectLeft(rc) >= WindowWidth(wnd)-BorderAdj(wnd))
|
|
isData = FALSE;
|
|
if (RectTop(rc) >= WindowHeight(wnd)-BottomBorderAdj(wnd))
|
|
isData = FALSE;
|
|
if (TestAttribute(wnd, HASBORDER)) {
|
|
if (RectRight(rc) == 0)
|
|
isData = FALSE;
|
|
if (RectBottom(rc) == 0)
|
|
isData = FALSE;
|
|
}
|
|
if (TestAttribute(wnd, SHADOW))
|
|
isBorder |= RectRight(rc) == WindowWidth(wnd) ||
|
|
RectBottom(rc) == WindowHeight(wnd);
|
|
if (isData)
|
|
DfSendMessage(wnd, PAINT, (PARAM) &rc, TRUE);
|
|
if (isBorder)
|
|
DfSendMessage(wnd, BORDER, (PARAM) &rc, 0);
|
|
else if (isTitle)
|
|
DisplayTitle(wnd, &rc);
|
|
}
|
|
}
|
|
/* ------ paint the part of a window that is overlapped
|
|
by another window that is being hidden ------- */
|
|
static void PaintOver(DFWINDOW wnd)
|
|
{
|
|
DFRECT wrc, rc;
|
|
wrc = adjShadow(HiddenWindow);
|
|
rc = adjShadow(wnd);
|
|
rc = subRectangle(rc, wrc);
|
|
if (ValidRect(rc))
|
|
PaintOverLap(wnd, RelativeWindowRect(wnd, rc));
|
|
}
|
|
/* --- paint the overlapped parts of all children --- */
|
|
static void PaintOverChildren(DFWINDOW pwnd)
|
|
{
|
|
DFWINDOW cwnd = FirstWindow(pwnd);
|
|
while (cwnd != NULL) {
|
|
if (cwnd != HiddenWindow) {
|
|
PaintOver(cwnd);
|
|
PaintOverChildren(cwnd);
|
|
}
|
|
cwnd = NextWindow(cwnd);
|
|
}
|
|
}
|
|
/* -- recursive overlapping paint of parents -- */
|
|
static void PaintOverParents(DFWINDOW wnd)
|
|
{
|
|
DFWINDOW pwnd = GetParent(wnd);
|
|
if (pwnd != NULL) {
|
|
PaintOverParents(pwnd);
|
|
PaintOver(pwnd);
|
|
PaintOverChildren(pwnd);
|
|
}
|
|
}
|
|
/* - paint the parts of all windows that a window is over - */
|
|
static void PaintOverLappers(DFWINDOW wnd)
|
|
{
|
|
HiddenWindow = wnd;
|
|
PaintOverParents(wnd);
|
|
}
|
|
/* --- paint those parts of a window that are overlapped --- */
|
|
static void PaintUnderLappers(DFWINDOW wnd)
|
|
{
|
|
DFWINDOW hwnd = NextWindow(wnd);
|
|
while (hwnd != NULL) {
|
|
/* ------- test only at document window level ------ */
|
|
DFWINDOW pwnd = GetParent(hwnd);
|
|
/* if (pwnd == NULL || GetClass(pwnd) == APPLICATION) */ {
|
|
/* ---- don't bother testing self ----- */
|
|
if (isVisible(hwnd) && hwnd != wnd) {
|
|
/* --- see if other window is descendent --- */
|
|
while (pwnd != NULL) {
|
|
if (pwnd == wnd)
|
|
break;
|
|
pwnd = GetParent(pwnd);
|
|
}
|
|
/* ----- don't test descendent overlaps ----- */
|
|
if (pwnd == NULL) {
|
|
/* -- see if other window is ancestor --- */
|
|
pwnd = GetParent(wnd);
|
|
while (pwnd != NULL) {
|
|
if (pwnd == hwnd)
|
|
break;
|
|
pwnd = GetParent(pwnd);
|
|
}
|
|
/* --- don't test ancestor overlaps --- */
|
|
if (pwnd == NULL) {
|
|
HiddenWindow = GetAncestor(hwnd);
|
|
ClearVisible(HiddenWindow);
|
|
PaintOver(wnd);
|
|
SetVisible(HiddenWindow);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
hwnd = NextWindow(hwnd);
|
|
}
|
|
/* --------- repaint all children of this window
|
|
the same way ----------- */
|
|
hwnd = FirstWindow(wnd);
|
|
while (hwnd != NULL) {
|
|
PaintUnderLappers(hwnd);
|
|
hwnd = NextWindow(hwnd);
|
|
}
|
|
}
|
|
#endif /* #ifdef INCLUDE_MULTI_WINDOWS */
|
|
|
|
/* --- save video area to be used by dummy window border --- */
|
|
static void SaveBorder(DFRECT rc)
|
|
{
|
|
Bht = RectBottom(rc) - RectTop(rc) + 1;
|
|
Bwd = RectRight(rc) - RectLeft(rc) + 1;
|
|
Bsave = DFrealloc(Bsave, Bht * Bwd * sizeof(CHAR_INFO));
|
|
|
|
GetVideo(rc,Bsave);
|
|
}
|
|
/* ---- restore video area used by dummy window border ---- */
|
|
static void RestoreBorder(DFRECT rc)
|
|
{
|
|
if (Bsave != NULL)
|
|
{
|
|
StoreVideo(rc, Bsave);
|
|
free(Bsave);
|
|
Bsave = NULL;
|
|
}
|
|
}
|
|
/* ----- test if screen coordinates are in a window ---- */
|
|
static BOOL InsideWindow(DFWINDOW wnd, int x, int y)
|
|
{
|
|
DFRECT rc;
|
|
rc = WindowRect(wnd);
|
|
if (!TestAttribute(wnd, NOCLIP))
|
|
{
|
|
DFWINDOW pwnd = GetParent(wnd);
|
|
while (pwnd != NULL)
|
|
{
|
|
rc = subRectangle(rc, ClientRect(pwnd));
|
|
pwnd = GetParent(pwnd);
|
|
}
|
|
}
|
|
return InsideRect(x, y, rc);
|
|
}
|
|
|
|
BOOL isDerivedFrom(DFWINDOW wnd, DFCLASS class)
|
|
{
|
|
DFCLASS tclass = GetClass(wnd);
|
|
while (tclass != -1) {
|
|
if (tclass == class)
|
|
return TRUE;
|
|
tclass = (classdefs[tclass].base);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* -- find the oldest document window ancestor of a window -- */
|
|
DFWINDOW GetAncestor(DFWINDOW wnd)
|
|
{
|
|
if (wnd != NULL) {
|
|
while (GetParent(wnd) != NULL) {
|
|
if (GetClass(GetParent(wnd)) == APPLICATION)
|
|
break;
|
|
wnd = GetParent(wnd);
|
|
}
|
|
}
|
|
return wnd;
|
|
}
|
|
|
|
BOOL isVisible(DFWINDOW wnd)
|
|
{
|
|
while (wnd != NULL) {
|
|
if (isHidden(wnd))
|
|
return FALSE;
|
|
wnd = GetParent(wnd);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/* -- adjust a window's rectangle to clip it to its parent - */
|
|
static DFRECT ClipRect(DFWINDOW wnd)
|
|
{
|
|
DFRECT rc;
|
|
rc = WindowRect(wnd);
|
|
if (TestAttribute(wnd, SHADOW)) {
|
|
RectBottom(rc)++;
|
|
RectRight(rc)++;
|
|
}
|
|
return ClipRectangle(wnd, rc);
|
|
}
|
|
|
|
/* -- get the video memory that is to be used by a window -- */
|
|
static void GetVideoBuffer(DFWINDOW wnd)
|
|
{
|
|
DFRECT rc;
|
|
int ht;
|
|
int wd;
|
|
|
|
rc = ClipRect(wnd);
|
|
ht = RectBottom(rc) - RectTop(rc) + 1;
|
|
wd = RectRight(rc) - RectLeft(rc) + 1;
|
|
wnd->videosave = DFrealloc(wnd->videosave, (ht * wd * sizeof(CHAR_INFO)));
|
|
GetVideo(rc, wnd->videosave);
|
|
}
|
|
|
|
/* -- put the video memory that is used by a window -- */
|
|
static void PutVideoBuffer(DFWINDOW wnd)
|
|
{
|
|
if (wnd->videosave != NULL)
|
|
{
|
|
DFRECT rc;
|
|
rc = ClipRect(wnd);
|
|
StoreVideo(rc, wnd->videosave);
|
|
free(wnd->videosave);
|
|
wnd->videosave = NULL;
|
|
}
|
|
}
|
|
|
|
/* ------- return TRUE if awnd is an ancestor of wnd ------- */
|
|
BOOL isAncestor(DFWINDOW wnd, DFWINDOW awnd)
|
|
{
|
|
while (wnd != NULL) {
|
|
if (wnd == awnd)
|
|
return TRUE;
|
|
wnd = GetParent(wnd);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* EOF */
|