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https://github.com/reactos/reactos.git
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149 lines
3 KiB
C
149 lines
3 KiB
C
/* --------------- lists.c -------------- */
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#include "dflat.h"
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/* ----- set focus to the next sibling ----- */
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void DfSetNextFocus (void)
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{
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if (DfInFocus != NULL)
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{
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DFWINDOW wnd1 = DfInFocus, pwnd;
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while (TRUE)
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{
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pwnd = DfGetParent(wnd1);
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if (DfNextWindow(wnd1) != NULL)
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wnd1 = DfNextWindow(wnd1);
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else if (pwnd != NULL)
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wnd1 = DfFirstWindow(pwnd);
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if (wnd1 == NULL || wnd1 == DfInFocus)
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{
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wnd1 = pwnd;
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break;
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}
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if (DfGetClass(wnd1) == DF_STATUSBAR || DfGetClass(wnd1) == DF_MENUBAR)
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continue;
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if (DfIsVisible(wnd1))
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break;
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}
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if (wnd1 != NULL)
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{
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while (wnd1->childfocus != NULL)
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wnd1 = wnd1->childfocus;
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if (wnd1->condition != DF_ISCLOSING)
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DfSendMessage(wnd1, DFM_SETFOCUS, TRUE, 0);
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}
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}
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}
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/* ----- set focus to the previous sibling ----- */
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void DfSetPrevFocus(void)
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{
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if (DfInFocus != NULL)
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{
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DFWINDOW wnd1 = DfInFocus, pwnd;
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while (TRUE)
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{
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pwnd = DfGetParent(wnd1);
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if (DfPrevWindow(wnd1) != NULL)
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wnd1 = DfPrevWindow(wnd1);
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else if (pwnd != NULL)
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wnd1 = DfLastWindow(pwnd);
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if (wnd1 == NULL || wnd1 == DfInFocus)
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{
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wnd1 = pwnd;
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break;
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}
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if (DfGetClass(wnd1) == DF_STATUSBAR)
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continue;
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if (DfIsVisible(wnd1))
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break;
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}
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if (wnd1 != NULL)
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{
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while (wnd1->childfocus != NULL)
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wnd1 = wnd1->childfocus;
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if (wnd1->condition != DF_ISCLOSING)
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DfSendMessage(wnd1, DFM_SETFOCUS, TRUE, 0);
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}
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}
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}
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/* ------- move a window to the end of its parents list ----- */
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void DfReFocus(DFWINDOW wnd)
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{
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if (DfGetParent(wnd) != NULL)
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{
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DfRemoveWindow(wnd);
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DfAppendWindow(wnd);
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DfReFocus(DfGetParent(wnd));
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}
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}
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/* ---- remove a window from the linked list ---- */
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void DfRemoveWindow(DFWINDOW wnd)
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{
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if (wnd != NULL)
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{
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DFWINDOW pwnd = DfGetParent(wnd);
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if (DfPrevWindow(wnd) != NULL)
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DfNextWindow(DfPrevWindow(wnd)) = DfNextWindow(wnd);
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if (DfNextWindow(wnd) != NULL)
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DfPrevWindow(DfNextWindow(wnd)) = DfPrevWindow(wnd);
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if (pwnd != NULL)
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{
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if (wnd == DfFirstWindow(pwnd))
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DfFirstWindow(pwnd) = DfNextWindow(wnd);
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if (wnd == DfLastWindow(pwnd))
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DfLastWindow(pwnd) = DfPrevWindow(wnd);
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}
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}
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}
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/* ---- append a window to the linked list ---- */
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void DfAppendWindow(DFWINDOW wnd)
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{
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if (wnd != NULL)
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{
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DFWINDOW pwnd = DfGetParent(wnd);
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if (pwnd != NULL)
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{
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if (DfFirstWindow(pwnd) == NULL)
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{
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DfFirstWindow(pwnd) = wnd;
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DfLastWindow(pwnd) = wnd;
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DfPrevWindow(wnd) = NULL;
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}
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else
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{
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DfNextWindow(DfLastWindow(pwnd)) = wnd;
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DfPrevWindow(wnd) = DfLastWindow(pwnd);
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DfLastWindow(pwnd) = wnd;
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}
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}
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DfNextWindow(wnd) = NULL;
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}
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}
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/*
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* if document windows and statusbar or menubar get the focus,
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* pass it on
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*/
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void DfSkipApplicationControls(void)
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{
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BOOL EmptyAppl = FALSE;
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int ct = 0;
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while (!EmptyAppl && DfInFocus != NULL)
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{
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DFCLASS cl = DfGetClass(DfInFocus);
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if (cl == DF_MENUBAR || cl == DF_STATUSBAR)
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{
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DfSetPrevFocus();
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EmptyAppl = (cl == DF_MENUBAR && ct++);
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}
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else
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break;
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}
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}
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/* EOF */
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