mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 11:35:58 +00:00
433 lines
12 KiB
C
433 lines
12 KiB
C
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/* ---------------- menubar.c ------------------ */
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#include "dflat32/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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MBAR *ActiveMenuBar;
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static MENU *ActiveMenu;
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static DFWINDOW mwnd;
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static BOOL Selecting;
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static DFWINDOW Cascaders[MAXCASCADES];
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static int casc;
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static DFWINDOW GetDocFocus(void);
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/* ----------- SETFOCUS Message ----------- */
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static int SetFocusMsg(DFWINDOW wnd, PARAM p1)
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{
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int rtn;
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rtn = BaseWndProc(MENUBAR, wnd, SETFOCUS, p1, 0);
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if (!(int)p1)
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DfSendMessage(GetParent(wnd), ADDSTATUS, 0, 0);
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return rtn;
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}
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/* --------- BUILDMENU Message --------- */
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static void BuildMenuMsg(DFWINDOW wnd, 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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ActiveMenuBar = (MBAR *) p1;
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ActiveMenu = ActiveMenuBar->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(GetText(wnd)+offset) <
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strlen(ActiveMenu->Title)+3)
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break;
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GetText(wnd) = DFrealloc(GetText(wnd),
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strlen(GetText(wnd))+5);
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memmove(GetText(wnd) + offset+4, GetText(wnd) + offset,
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strlen(GetText(wnd))-offset+1);
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CopyCommand(GetText(wnd)+offset,ActiveMenu->Title,FALSE,
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wnd->WindowColors [STD_COLOR] [BG]);
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menu[mctr].x1 = offset;
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offset += strlen(ActiveMenu->Title) + (3+MSPACE);
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menu[mctr].x2 = offset-MSPACE;
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cp = strchr(ActiveMenu->Title, 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 = ActiveMenuBar->PullDown;
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}
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/* ---------- 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 == inFocus)
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DfSendMessage(GetParent(wnd), ADDSTATUS, 0, 0);
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SetStandardColor(wnd);
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wputs(wnd, GetText(wnd), 0, 0);
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if (ActiveMenuBar == NULL)
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return;
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if (ActiveMenuBar->ActiveSelection != -1 &&
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(wnd == inFocus || 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[ActiveMenuBar->ActiveSelection].x1;
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offset1=menu[ActiveMenuBar->ActiveSelection].x2;
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GetText(wnd)[offset1] = '\0';
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SetReverseColor(wnd);
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memset(sel, '\0', 200);
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strcpy(sel, GetText(wnd)+offset);
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cp = strchr(sel, CHANGECOLOR);
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if (cp != NULL)
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*(cp + 2) = background | 0x80;
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wputs(wnd, sel,
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offset-ActiveMenuBar->ActiveSelection*4, 0);
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GetText(wnd)[offset1] = ' ';
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if (mwnd == NULL && wnd == inFocus) {
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char *st = ActiveMenu
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[ActiveMenuBar->ActiveSelection].StatusText;
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if (st != NULL)
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DfSendMessage(GetParent(wnd), ADDSTATUS,
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(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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/* ------------ KEYBOARD Message ------------- */
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static void KeyboardMsg(DFWINDOW wnd, PARAM p1)
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{
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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 = AltConvert((int)p1);
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int j;
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for (j = 0; j < mctr; j++) {
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if ((inFocus == wnd && menu[j].sc == c) ||
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(a && menu[j].sc == a)) {
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DfSendMessage(wnd, SETFOCUS, TRUE, 0);
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DfSendMessage(wnd, 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 PopDown *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 & INACTIVE)
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beep();
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else {
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if (pd->Attrib & TOGGLE)
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pd->Attrib ^= CHECKED;
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DfSendMessage(GetDocFocus(),
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SETFOCUS, TRUE, 0);
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DfPostMessage(GetParent(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 F1:
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if (ActiveMenu == NULL || ActiveMenuBar == NULL)
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break;
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sel = ActiveMenuBar->ActiveSelection;
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if (sel == -1)
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{
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BaseWndProc(MENUBAR, wnd, KEYBOARD, 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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DisplayHelp(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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ActiveMenuBar->ActiveSelection != -1)
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DfSendMessage(wnd, MB_SELECTION,
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ActiveMenuBar->ActiveSelection, 0);
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break;
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case F10:
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if (wnd != inFocus && mwnd == NULL) {
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DfSendMessage(wnd, SETFOCUS, TRUE, 0);
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if ( ActiveMenuBar->ActiveSelection == -1)
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ActiveMenuBar->ActiveSelection = 0;
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DfSendMessage(wnd, PAINT, 0, 0);
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break;
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}
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/* ------- fall through ------- */
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case ESC:
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if (inFocus == wnd && mwnd == NULL) {
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ActiveMenuBar->ActiveSelection = -1;
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DfSendMessage(GetDocFocus(),SETFOCUS,TRUE,0);
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DfSendMessage(wnd, PAINT, 0, 0);
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}
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break;
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case FWD:
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ActiveMenuBar->ActiveSelection++;
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if (ActiveMenuBar->ActiveSelection == mctr)
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ActiveMenuBar->ActiveSelection = 0;
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if (mwnd != NULL)
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DfSendMessage(wnd, MB_SELECTION,
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ActiveMenuBar->ActiveSelection, 0);
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else
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DfSendMessage(wnd, PAINT, 0, 0);
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break;
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case BS:
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if (ActiveMenuBar->ActiveSelection == 0 ||
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ActiveMenuBar->ActiveSelection == -1)
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ActiveMenuBar->ActiveSelection = mctr;
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--ActiveMenuBar->ActiveSelection;
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if (mwnd != NULL)
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DfSendMessage(wnd, MB_SELECTION,
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ActiveMenuBar->ActiveSelection, 0);
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else
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DfSendMessage(wnd, 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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/* --------------- LEFT_BUTTON Message ---------- */
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static void LeftButtonMsg(DFWINDOW wnd, PARAM p1)
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{
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int i;
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int mx = (int) p1 - GetLeft(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 != ActiveMenuBar->ActiveSelection || mwnd == NULL)
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DfSendMessage(wnd, MB_SELECTION, i, 0);
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}
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/* -------------- MB_SELECTION Message -------------- */
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static void SelectionMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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int wd, mx, my;
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MENU *mnu;
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if (!p2)
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{
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ActiveMenuBar->ActiveSelection = -1;
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DfSendMessage(wnd, 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 = MenuWidth(mnu->Selections);
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if (p2)
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{
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int brd = GetRight(wnd);
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mx = GetLeft(mwnd) + WindowWidth(mwnd) - 1;
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if (mx + wd > brd)
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mx = brd - wd;
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my = GetTop(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, CLOSE_WINDOW, 0, 0);
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ActiveMenuBar->ActiveSelection = (int) p1;
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if (offset > WindowWidth(wnd)-wd)
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offset = WindowWidth(wnd)-wd;
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mx = GetLeft(wnd)+offset;
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my = GetTop(wnd)+1;
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}
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mwnd = DfCreateWindow(POPDOWNMENU, NULL,
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mx, my,
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MenuHeight(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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SHADOW);
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if (!p2)
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{
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Selecting = FALSE;
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DfSendMessage(wnd, 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, BUILD_SELECTIONS, (PARAM) mnu, 0);
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DfSendMessage(mwnd, SETFOCUS, TRUE, 0);
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DfSendMessage(mwnd, 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, PARAM p1, PARAM p2)
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{
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if (p1 == ID_HELP)
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{
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BaseWndProc(MENUBAR, wnd, DFM_COMMAND, p1, p2);
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return;
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}
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if (isCascadedCommand(ActiveMenuBar, (int)p1))
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{
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/* find the cascaded menu based on command id in p1 */
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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 < MAXCASCADES) {
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Cascaders[casc++] = mwnd;
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DfSendMessage(wnd, MB_SELECTION,
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(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, CLOSE_WINDOW, 0, 0);
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DfSendMessage(GetDocFocus(), SETFOCUS, TRUE, 0);
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DfPostMessage(GetParent(wnd), DFM_COMMAND, p1, p2);
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}
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}
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/* --------------- 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], CLOSE_WINDOW, 0, 0);
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else
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{
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mwnd = NULL;
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ActiveMenuBar->ActiveSelection = -1;
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if (!Selecting)
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{
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DfSendMessage(GetDocFocus(), SETFOCUS, TRUE, 0);
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DfSendMessage(wnd, PAINT, 0, 0);
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}
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}
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}
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/* ---------------- CLOSE_WINDOW Message --------------- */
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static void CloseWindowMsg(DFWINDOW wnd)
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{
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if (GetText(wnd) != NULL)
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{
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free(GetText(wnd));
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GetText(wnd) = NULL;
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}
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mctr = 0;
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ActiveMenuBar->ActiveSelection = -1;
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ActiveMenu = NULL;
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ActiveMenuBar = NULL;
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}
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/* --- Window processing module for MENUBAR window class --- */
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int MenuBarProc(DFWINDOW wnd, DFMESSAGE msg, PARAM p1, PARAM p2)
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{
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int rtn;
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switch (msg) {
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case CREATE_WINDOW:
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reset_menubar(wnd);
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break;
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case SETFOCUS:
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return SetFocusMsg(wnd, p1);
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case BUILDMENU:
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BuildMenuMsg(wnd, p1);
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break;
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case PAINT:
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if (!isVisible(wnd) || GetText(wnd) == NULL)
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break;
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PaintMsg(wnd);
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return FALSE;
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case BORDER:
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if (mwnd == NULL)
|
||
|
|
DfSendMessage(wnd, PAINT, 0, 0);
|
||
|
|
return TRUE;
|
||
|
|
case KEYBOARD:
|
||
|
|
KeyboardMsg(wnd, p1);
|
||
|
|
return TRUE;
|
||
|
|
case LEFT_BUTTON:
|
||
|
|
LeftButtonMsg(wnd, p1);
|
||
|
|
return TRUE;
|
||
|
|
case MB_SELECTION:
|
||
|
|
SelectionMsg(wnd, p1, p2);
|
||
|
|
break;
|
||
|
|
case DFM_COMMAND:
|
||
|
|
CommandMsg(wnd, p1, p2);
|
||
|
|
return TRUE;
|
||
|
|
case INSIDE_WINDOW:
|
||
|
|
return InsideRect(p1, p2, WindowRect(wnd));
|
||
|
|
case CLOSE_POPDOWN:
|
||
|
|
ClosePopdownMsg(wnd);
|
||
|
|
return TRUE;
|
||
|
|
case CLOSE_WINDOW:
|
||
|
|
CloseWindowMsg(wnd);
|
||
|
|
rtn = BaseWndProc(MENUBAR, wnd, msg, p1, p2);
|
||
|
|
return rtn;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return BaseWndProc(MENUBAR, wnd, msg, p1, p2);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ------------- reset the MENUBAR -------------- */
|
||
|
|
static void reset_menubar(DFWINDOW wnd)
|
||
|
|
{
|
||
|
|
GetText(wnd) = DFrealloc(GetText(wnd), DfGetScreenWidth()+5);
|
||
|
|
memset(GetText(wnd), ' ', DfGetScreenWidth());
|
||
|
|
*(GetText(wnd)+WindowWidth(wnd)) = '\0';
|
||
|
|
}
|
||
|
|
|
||
|
|
static DFWINDOW GetDocFocus(void)
|
||
|
|
{
|
||
|
|
DFWINDOW wnd = ApplicationWindow;
|
||
|
|
if (wnd != NULL)
|
||
|
|
{
|
||
|
|
wnd = LastWindow(wnd);
|
||
|
|
while (wnd != NULL &&
|
||
|
|
(GetClass(wnd) == MENUBAR ||
|
||
|
|
GetClass(wnd) == STATUSBAR))
|
||
|
|
wnd = PrevWindow(wnd);
|
||
|
|
if (wnd != NULL)
|
||
|
|
{
|
||
|
|
while (wnd->childfocus != NULL)
|
||
|
|
wnd = wnd->childfocus;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return wnd ? wnd : ApplicationWindow;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* EOF */
|