66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
// 30 may 2015
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#include "uipriv_windows.h"
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// This just defines the implementation of the tab page HWND itself.
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// The actual work of hosting a tab page's control is in child.c.
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// from http://msdn.microsoft.com/en-us/library/windows/desktop/bb226818%28v=vs.85%29.aspx
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#define tabMargin 7
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void tabPageMargins(HWND hwnd, intmax_t *left, intmax_t *top, intmax_t *right, intmax_t *bottom)
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{
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uiWindowsSizing *d;
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d = uiWindowsNewSizing(hwnd);
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*left = uiWindowsDlgUnitsToX(tabMargin, d->BaseX);
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*top = uiWindowsDlgUnitsToY(tabMargin, d->BaseY);
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*right = *left;
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*bottom = *top;
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uiWindowsFreeSizing(d);
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}
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// dummy dialog procedure; see below for details
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// let's handle parent messages here to avoid needing to subclass
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static INT_PTR CALLBACK dlgproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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LRESULT lResult;
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if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE) {
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SetWindowLongPtrW(hwnd, DWLP_MSGRESULT, (LONG_PTR) lResult);
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return TRUE;
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}
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// unthemed dialogs don't respond to WM_PRINTCLIENT
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// fortunately they don't have any special painting
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if (uMsg == WM_PRINTCLIENT) {
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// don't worry about the return value; hopefully DefWindowProcW() caught it (if not the dialog procedure itself)
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// we COULD paint the dialog background brush ourselves but meh, it works
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SendMessageW(hwnd, WM_ERASEBKGND, wParam, lParam);
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// and pretend we did nothing just so the themed dialog can still paint its content
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return FALSE;
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}
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if (uMsg == WM_INITDIALOG)
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return TRUE;
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return FALSE;
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}
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HWND newTabPage(void)
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{
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HWND hwnd;
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HRESULT hr;
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// unfortunately this needs to be a proper dialog for EnableThemeDialogTexture() to work; CreateWindowExW() won't suffice
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hwnd = CreateDialogW(hInstance, MAKEINTRESOURCE(rcTabPageDialog),
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utilWindow, dlgproc);
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if (hwnd == NULL)
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logLastError("error creating tab page in newTabPage()");
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hr = EnableThemeDialogTexture(hwnd, ETDT_ENABLE | ETDT_USETABTEXTURE | ETDT_ENABLETAB);
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if (hr != S_OK)
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logHRESULT("error setting tab page background in newTabPage()", hr);
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// and start the tab page hidden
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ShowWindow(hwnd, SW_HIDE);
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return hwnd;
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}
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