75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
// 6 april 2015
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#include "uipriv_windows.h"
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// #qo LDFLAGS: -luser32 -lkernel32 -lgdi32 -luxtheme -lmsimg32 -lcomdlg32 -lole32 -loleaut32 -loleacc -luuid
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static void msgloop_tab(HWND active, HWND focus, MSG *msg)
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{
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BOOL hasChildren;
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BOOL idm;
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// THIS BIT IS IMPORTANT: if the current tab has no children, then there will be no children left in the dialog to tab to, and IsDialogMessageW() will loop forever
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hasChildren = SendMessageW(focus, msgHasTabStops, 0, 0);
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if (hasChildren)
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tabEnterTabNavigation(focus);
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idm = IsDialogMessageW(active, msg);
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if (hasChildren)
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tabLeaveTabNavigation(focus);
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if (idm != 0)
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return;
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TranslateMessage(msg);
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DispatchMessageW(msg);
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}
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static void msgloop_else(MSG *msg)
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{
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TranslateMessage(msg);
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DispatchMessageW(msg);
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}
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void uiMain(void)
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{
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MSG msg;
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int res;
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HWND active, focus;
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for (;;) {
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SetLastError(0);
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res = GetMessageW(&msg, NULL, 0, 0);
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if (res < 0)
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logLastError("error calling GetMessage() in uiMain()");
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if (res == 0) // WM_QUIT
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break;
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active = GetActiveWindow();
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if (active == NULL) {
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msgloop_else(&msg);
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continue;
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}
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// bit of logic involved here:
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// we don't want dialog messages passed into Areas, so we don't call IsDialogMessageW() there
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// as for Tabs, we can't have both WS_TABSTOP and WS_EX_CONTROLPARENT set at the same time, so we hotswap the two styles to get the behavior we want
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focus = GetFocus();
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if (focus != NULL) {
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switch (windowClassOf(focus, L"TODO Area not yet implemented", WC_TABCONTROLW, NULL)) {
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case 0: // uiArea
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// msgloop_area(active, focus, &msg);
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continue;
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case 1: // WC_TABCONTROLW
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msgloop_tab(active, focus, &msg);
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continue;
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}
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// else fall through
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}
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if (IsDialogMessage(active, &msg) != 0)
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continue;
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msgloop_else(&msg);
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}
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}
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void uiQuit(void)
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{
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PostQuitMessage(0);
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}
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