mirror of
https://github.com/reactos/reactos.git
synced 2024-12-26 09:04:39 +00:00
432 lines
12 KiB
C
432 lines
12 KiB
C
/* ---------------- menubar.c ------------------ */
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#include "dflat.h"
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static void reset_menubar(DFWINDOW);
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static struct {
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int x1, x2; /* position in menu bar */
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char sc; /* shortcut key value */
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} menu[10];
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static int mctr;
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DF_MBAR *DfActiveMenuBar;
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static DF_MENU *ActiveMenu;
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static DFWINDOW mwnd;
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static BOOL Selecting;
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static DFWINDOW Cascaders[DF_MAXCASCADES];
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static int casc;
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static DFWINDOW GetDocFocus(void);
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/* ----------- DFM_SETFOCUS Message ----------- */
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static int SetFocusMsg(DFWINDOW wnd, DF_PARAM p1)
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{
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int rtn;
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rtn = DfBaseWndProc(DF_MENUBAR, wnd, DFM_SETFOCUS, p1, 0);
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if (!(int)p1)
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DfSendMessage(DfGetParent(wnd), DFM_ADDSTATUS, 0, 0);
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return rtn;
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}
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/* --------- DFM_BUILDMENU Message --------- */
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static void BuildMenuMsg(DFWINDOW wnd, DF_PARAM p1)
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{
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int offset = 3;
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reset_menubar(wnd);
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mctr = 0;
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DfActiveMenuBar = (DF_MBAR *) p1;
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ActiveMenu = DfActiveMenuBar->PullDown;
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while (ActiveMenu->Title != NULL &&
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ActiveMenu->Title != (void*)-1)
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{
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char *cp;
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if (strlen(DfGetText(wnd)+offset) <
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strlen(ActiveMenu->Title)+3)
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break;
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DfGetText(wnd) = DfRealloc(DfGetText(wnd),
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strlen(DfGetText(wnd))+5);
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memmove(DfGetText(wnd) + offset+4, DfGetText(wnd) + offset,
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strlen(DfGetText(wnd))-offset+1);
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DfCopyCommand(DfGetText(wnd)+offset,ActiveMenu->Title,FALSE,
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wnd->WindowColors [DF_STD_COLOR] [DF_BG]);
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menu[mctr].x1 = offset;
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offset += strlen(ActiveMenu->Title) + (3+DF_MSPACE);
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menu[mctr].x2 = offset-DF_MSPACE;
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cp = strchr(ActiveMenu->Title, DF_SHORTCUTCHAR);
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if (cp)
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menu[mctr].sc = tolower(*(cp+1));
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mctr++;
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ActiveMenu++;
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}
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ActiveMenu = DfActiveMenuBar->PullDown;
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}
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/* ---------- DFM_PAINT Message ---------- */
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static void PaintMsg(DFWINDOW wnd)
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{
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if (Selecting)
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return;
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if (wnd == DfInFocus)
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DfSendMessage(DfGetParent(wnd), DFM_ADDSTATUS, 0, 0);
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DfSetStandardColor(wnd);
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DfWPuts(wnd, DfGetText(wnd), 0, 0);
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if (DfActiveMenuBar == NULL)
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return;
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if (DfActiveMenuBar->ActiveSelection != -1 &&
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(wnd == DfInFocus || mwnd != NULL)) {
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char *sel, *cp;
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int offset, offset1;
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sel = DfMalloc(200);
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offset=menu[DfActiveMenuBar->ActiveSelection].x1;
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offset1=menu[DfActiveMenuBar->ActiveSelection].x2;
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DfGetText(wnd)[offset1] = '\0';
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DfSetReverseColor(wnd);
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memset(sel, '\0', 200);
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strcpy(sel, DfGetText(wnd)+offset);
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cp = strchr(sel, DF_CHANGECOLOR);
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if (cp != NULL)
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*(cp + 2) = DfBackground | 0x80;
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DfWPuts(wnd, sel,
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offset-DfActiveMenuBar->ActiveSelection*4, 0);
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DfGetText(wnd)[offset1] = ' ';
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if (mwnd == NULL && wnd == DfInFocus) {
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char *st = ActiveMenu
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[DfActiveMenuBar->ActiveSelection].StatusText;
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if (st != NULL)
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DfSendMessage(DfGetParent(wnd), DFM_ADDSTATUS,
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(DF_PARAM)st, 0);
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}
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free(sel);
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}
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}
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/* ------------ DFM_KEYBOARD Message ------------- */
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static void KeyboardMsg(DFWINDOW wnd, DF_PARAM p1)
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{
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DF_MENU *mnu;
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int sel;
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if (mwnd == NULL)
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{
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/* ----- search for menu bar shortcut keys ---- */
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int c = tolower((int)p1);
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int a = DfAltConvert((int)p1);
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int j;
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for (j = 0; j < mctr; j++) {
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if ((DfInFocus == wnd && menu[j].sc == c) ||
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(a && menu[j].sc == a)) {
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DfSendMessage(wnd, DFM_SETFOCUS, TRUE, 0);
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DfSendMessage(wnd, DFM_MB_SELECTION, j, 0);
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return;
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}
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}
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}
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/* -------- search for accelerator keys -------- */
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mnu = ActiveMenu;
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while (mnu->Title != (void *)-1) {
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struct DfPopDown *pd = mnu->Selections;
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if (mnu->PrepMenu)
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(*(mnu->PrepMenu))(GetDocFocus(), mnu);
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while (pd->SelectionTitle != NULL) {
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if (pd->Accelerator == (int) p1) {
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if (pd->Attrib & DF_INACTIVE)
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DfBeep();
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else {
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if (pd->Attrib & DF_TOGGLE)
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pd->Attrib ^= DF_CHECKED;
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DfSendMessage(GetDocFocus(),
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DFM_SETFOCUS, TRUE, 0);
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DfPostMessage(DfGetParent(wnd),
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DFM_COMMAND, pd->ActionId, 0);
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}
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return;
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}
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pd++;
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}
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mnu++;
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}
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switch ((int)p1)
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{
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case DF_F1:
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if (ActiveMenu == NULL || DfActiveMenuBar == NULL)
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break;
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sel = DfActiveMenuBar->ActiveSelection;
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if (sel == -1)
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{
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DfBaseWndProc(DF_MENUBAR, wnd, DFM_KEYBOARD, DF_F1, 0);
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return;
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}
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mnu = ActiveMenu+sel;
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if (mwnd == NULL ||
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mnu->Selections[0].SelectionTitle == NULL)
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{
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DfDisplayHelp(wnd,mnu->Title+1);
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return;
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}
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break;
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case '\r':
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if (mwnd == NULL &&
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DfActiveMenuBar->ActiveSelection != -1)
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DfSendMessage(wnd, DFM_MB_SELECTION,
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DfActiveMenuBar->ActiveSelection, 0);
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break;
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case DF_F10:
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if (wnd != DfInFocus && mwnd == NULL) {
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DfSendMessage(wnd, DFM_SETFOCUS, TRUE, 0);
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if ( DfActiveMenuBar->ActiveSelection == -1)
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DfActiveMenuBar->ActiveSelection = 0;
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DfSendMessage(wnd, DFM_PAINT, 0, 0);
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break;
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}
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/* ------- fall through ------- */
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case DF_ESC:
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if (DfInFocus == wnd && mwnd == NULL) {
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DfActiveMenuBar->ActiveSelection = -1;
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DfSendMessage(GetDocFocus(),DFM_SETFOCUS,TRUE,0);
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DfSendMessage(wnd, DFM_PAINT, 0, 0);
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}
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break;
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case DF_FWD:
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DfActiveMenuBar->ActiveSelection++;
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if (DfActiveMenuBar->ActiveSelection == mctr)
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DfActiveMenuBar->ActiveSelection = 0;
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if (mwnd != NULL)
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DfSendMessage(wnd, DFM_MB_SELECTION,
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DfActiveMenuBar->ActiveSelection, 0);
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else
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DfSendMessage(wnd, DFM_PAINT, 0, 0);
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break;
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case DF_BS:
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if (DfActiveMenuBar->ActiveSelection == 0 ||
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DfActiveMenuBar->ActiveSelection == -1)
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DfActiveMenuBar->ActiveSelection = mctr;
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--DfActiveMenuBar->ActiveSelection;
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if (mwnd != NULL)
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DfSendMessage(wnd, DFM_MB_SELECTION,
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DfActiveMenuBar->ActiveSelection, 0);
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else
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DfSendMessage(wnd, DFM_PAINT, 0, 0);
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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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/* --------------- DFM_LEFT_BUTTON Message ---------- */
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static void LeftButtonMsg(DFWINDOW wnd, DF_PARAM p1)
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{
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int i;
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int mx = (int) p1 - DfGetLeft(wnd);
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/* --- compute the selection that the left button hit --- */
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for (i = 0; i < mctr; i++)
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if (mx >= menu[i].x1-4*i &&
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mx <= menu[i].x2-4*i-5)
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break;
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if (i < mctr)
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if (i != DfActiveMenuBar->ActiveSelection || mwnd == NULL)
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DfSendMessage(wnd, DFM_MB_SELECTION, i, 0);
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}
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/* -------------- DFM_MB_SELECTION Message -------------- */
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static void SelectionMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
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{
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int wd, mx, my;
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DF_MENU *mnu;
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if (!p2)
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{
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DfActiveMenuBar->ActiveSelection = -1;
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DfSendMessage(wnd, DFM_PAINT, 0, 0);
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}
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Selecting = TRUE;
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mnu = ActiveMenu+(int)p1;
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if (mnu->PrepMenu != NULL)
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(*(mnu->PrepMenu))(GetDocFocus(), mnu);
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wd = DfMenuWidth(mnu->Selections);
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if (p2)
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{
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int brd = DfGetRight(wnd);
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mx = DfGetLeft(mwnd) + DfWindowWidth(mwnd) - 1;
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if (mx + wd > brd)
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mx = brd - wd;
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my = DfGetTop(mwnd) + mwnd->selection;
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}
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else
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{
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int offset = menu[(int)p1].x1 - 4 * (int)p1;
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if (mwnd != NULL)
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DfSendMessage(mwnd, DFM_CLOSE_WINDOW, 0, 0);
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DfActiveMenuBar->ActiveSelection = (int) p1;
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if (offset > DfWindowWidth(wnd)-wd)
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offset = DfWindowWidth(wnd)-wd;
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mx = DfGetLeft(wnd)+offset;
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my = DfGetTop(wnd)+1;
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}
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mwnd = DfDfCreateWindow(DF_POPDOWNMENU, NULL,
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mx, my,
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DfMenuHeight(mnu->Selections),
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wd,
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NULL,
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wnd,
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NULL,
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DF_SHADOW);
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if (!p2)
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{
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Selecting = FALSE;
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DfSendMessage(wnd, DFM_PAINT, 0, 0);
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Selecting = TRUE;
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}
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if (mnu->Selections[0].SelectionTitle != NULL)
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{
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DfSendMessage(mwnd, DFM_BUILD_SELECTIONS, (DF_PARAM) mnu, 0);
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DfSendMessage(mwnd, DFM_SETFOCUS, TRUE, 0);
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DfSendMessage(mwnd, DFM_SHOW_WINDOW, 0, 0);
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}
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Selecting = FALSE;
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}
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/* --------- COMMAND Message ---------- */
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static void CommandMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
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{
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if (p1 == DF_ID_HELP)
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{
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DfBaseWndProc(DF_MENUBAR, wnd, DFM_COMMAND, p1, p2);
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return;
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}
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if (DfIsCascadedCommand(DfActiveMenuBar, (int)p1))
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{
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/* find the cascaded menu based on command id in p1 */
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DF_MENU *mnu = ActiveMenu+mctr;
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while (mnu->Title != (void *)-1) {
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if (mnu->CascadeId == (int) p1) {
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if (casc < DF_MAXCASCADES) {
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Cascaders[casc++] = mwnd;
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DfSendMessage(wnd, DFM_MB_SELECTION,
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(DF_PARAM)(mnu-ActiveMenu), TRUE);
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}
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break;
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}
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mnu++;
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}
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}
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else {
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if (mwnd != NULL)
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DfSendMessage(mwnd, DFM_CLOSE_WINDOW, 0, 0);
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DfSendMessage(GetDocFocus(), DFM_SETFOCUS, TRUE, 0);
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DfPostMessage(DfGetParent(wnd), DFM_COMMAND, p1, p2);
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}
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}
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/* --------------- DFM_CLOSE_POPDOWN Message --------------- */
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static void ClosePopdownMsg(DFWINDOW wnd)
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{
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if (casc > 0)
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DfSendMessage(Cascaders[--casc], DFM_CLOSE_WINDOW, 0, 0);
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else
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{
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mwnd = NULL;
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DfActiveMenuBar->ActiveSelection = -1;
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if (!Selecting)
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{
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DfSendMessage(GetDocFocus(), DFM_SETFOCUS, TRUE, 0);
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DfSendMessage(wnd, DFM_PAINT, 0, 0);
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}
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}
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}
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/* ---------------- DFM_CLOSE_WINDOW Message --------------- */
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static void CloseWindowMsg(DFWINDOW wnd)
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{
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if (DfGetText(wnd) != NULL)
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{
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free(DfGetText(wnd));
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DfGetText(wnd) = NULL;
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}
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mctr = 0;
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DfActiveMenuBar->ActiveSelection = -1;
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ActiveMenu = NULL;
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DfActiveMenuBar = NULL;
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}
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/* --- Window processing module for DF_MENUBAR window class --- */
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int DfMenuBarProc(DFWINDOW wnd, DFMESSAGE msg, DF_PARAM p1, DF_PARAM p2)
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{
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int rtn;
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switch (msg) {
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case DFM_CREATE_WINDOW:
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reset_menubar(wnd);
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break;
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case DFM_SETFOCUS:
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return SetFocusMsg(wnd, p1);
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case DFM_BUILDMENU:
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BuildMenuMsg(wnd, p1);
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break;
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case DFM_PAINT:
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if (!DfIsVisible(wnd) || DfGetText(wnd) == NULL)
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break;
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PaintMsg(wnd);
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return FALSE;
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case DFM_BORDER:
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if (mwnd == NULL)
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DfSendMessage(wnd, DFM_PAINT, 0, 0);
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return TRUE;
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case DFM_KEYBOARD:
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KeyboardMsg(wnd, p1);
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return TRUE;
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case DFM_LEFT_BUTTON:
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LeftButtonMsg(wnd, p1);
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return TRUE;
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case DFM_MB_SELECTION:
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SelectionMsg(wnd, p1, p2);
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break;
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case DFM_COMMAND:
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CommandMsg(wnd, p1, p2);
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return TRUE;
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case DFM_INSIDE_WINDOW:
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return DfInsideRect(p1, p2, DfWindowRect(wnd));
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case DFM_CLOSE_POPDOWN:
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ClosePopdownMsg(wnd);
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return TRUE;
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case DFM_CLOSE_WINDOW:
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CloseWindowMsg(wnd);
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rtn = DfBaseWndProc(DF_MENUBAR, wnd, msg, p1, p2);
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return rtn;
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default:
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break;
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}
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return DfBaseWndProc(DF_MENUBAR, wnd, msg, p1, p2);
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}
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/* ------------- reset the DF_MENUBAR -------------- */
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static void reset_menubar(DFWINDOW wnd)
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{
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DfGetText(wnd) = DfRealloc(DfGetText(wnd), DfGetScreenWidth()+5);
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memset(DfGetText(wnd), ' ', DfGetScreenWidth());
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*(DfGetText(wnd)+DfWindowWidth(wnd)) = '\0';
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}
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static DFWINDOW GetDocFocus(void)
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{
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DFWINDOW wnd = DfApplicationWindow;
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if (wnd != NULL)
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{
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wnd = DfLastWindow(wnd);
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while (wnd != NULL &&
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(DfGetClass(wnd) == DF_MENUBAR ||
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DfGetClass(wnd) == DF_STATUSBAR))
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wnd = DfPrevWindow(wnd);
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if (wnd != NULL)
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{
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while (wnd->childfocus != NULL)
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wnd = wnd->childfocus;
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}
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}
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return wnd ? wnd : DfApplicationWindow;
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}
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/* EOF */
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