bool CDpiForDialog::SetDialogDPI(const DpiValue& newDpi, LPRECT lprcSuggested /*= NULL*/) { if (mn_InSet > 0) return false; if (newDpi.Ydpi <= 0 || newDpi.Xdpi <= 0) return false; if (m_CurDpi.Ydpi <= 0 || m_CurDpi.Xdpi <= 0) return false; if (m_CurDpi.Equals(newDpi)) return false; bool bRc = false; MArray<DlgItem>* p = NULL; DpiValue curDpi(m_CurDpi); HFONT hf = NULL; wchar_t szClass[100]; #ifdef _DEBUG LOGFONT lftest1 = {}, lftest2 = {}; HFONT hftest; int itest1, itest2; #endif // To avoid several nested passes InterlockedIncrement(&mn_InSet); m_CurDpi.SetDpi(newDpi); _wsprintf(szClass, SKIPLEN(countof(szClass)) L"CDpiForDialog::SetDialogDPI(x%08X, {%i,%i})", (DWORD)(DWORD_PTR)mh_Dlg, newDpi.Xdpi, newDpi.Ydpi); LogString(szClass); // Eval mn_CurFontHeight = (mn_InitFontHeight * newDpi.Ydpi / 96); mlf_CurFont = mlf_InitFont; mlf_CurFont.lfHeight = mn_CurFontHeight; mlf_CurFont.lfWidth = 0; // Font mapper fault if (mn_CurFontHeight == 0 || mn_InitFontHeight == 0) goto wrap; if (!m_Items.Get(newDpi.Ydpi, &p)) { MArray<DlgItem>* pOrig = NULL; int iOrigDpi = 0; if (!m_Items.GetNext(NULL, &iOrigDpi, &pOrig) || !pOrig || (iOrigDpi <= 0)) goto wrap; int iNewDpi = newDpi.Ydpi; p = new MArray<DlgItem>(); DWORD dwStyle = GetWindowLong(mh_Dlg, GWL_STYLE); DWORD dwStyleEx = GetWindowLong(mh_Dlg, GWL_EXSTYLE); RECT rcClient = {}, rcCurWnd = {}; if (!GetClientRect(mh_Dlg, &rcClient) || !GetWindowRect(mh_Dlg, &rcCurWnd)) { delete p; goto wrap; } _ASSERTE(rcClient.left==0 && rcClient.top==0); int calcDlgWidth = rcClient.right * newDpi.Xdpi / curDpi.Xdpi; int calcDlgHeight = rcClient.bottom * newDpi.Ydpi / curDpi.Ydpi; DlgItem i = {mh_Dlg}; // Windows DWM manager do not resize NonClient areas of per-monitor dpi aware applications // So, we can not use AdjustWindowRectEx to determine full window rectangle // Just use current NonClient dimensions i.r.right = calcDlgWidth + ((rcCurWnd.right - rcCurWnd.left) - rcClient.right); i.r.bottom = calcDlgHeight + ((rcCurWnd.bottom - rcCurWnd.top) - rcClient.bottom); // .right and .bottom are width and height of the dialog _ASSERTE(i.r.left==0 && i.r.top==0); p->push_back(i); for (INT_PTR k = 1; k < pOrig->size(); k++) { const DlgItem& iOrig = (*pOrig)[k]; i.h = iOrig.h; i.r.left = iOrig.r.left * iNewDpi / iOrigDpi; i.r.top = iOrig.r.top * iNewDpi / iOrigDpi; i.r.right = iOrig.r.right * iNewDpi / iOrigDpi; i.r.bottom = iOrig.r.bottom * iNewDpi / iOrigDpi; p->push_back(i); } m_Items.Set(iNewDpi, p); } hf = CreateFontIndirect(&mlf_CurFont); if (hf == NULL) { goto wrap; } for (INT_PTR k = p->size() - 1; k >= 0; k--) { const DlgItem& di = (*p)[k]; GetClassName(di.h, szClass, countof(szClass)); DWORD nCtrlID = GetWindowLong(di.h, GWL_ID); DWORD nStyles = GetWindowLong(di.h, GWL_STYLE); bool bResizeCombo = (lstrcmpi(szClass, L"ComboBox") == 0); int iComboFieldHeight = 0, iComboWasHeight = 0; if (bResizeCombo && (nStyles & CBS_OWNERDRAWFIXED)) { RECT rcCur = {}; GetWindowRect(di.h, &rcCur); iComboWasHeight = (rcCur.bottom - rcCur.top); LONG_PTR lFieldHeight = SendMessage(di.h, CB_GETITEMHEIGHT, -1, 0); if (lFieldHeight < iComboWasHeight) { iComboFieldHeight = lFieldHeight; } } int newW = di.r.right - di.r.left; int newH = di.r.bottom - di.r.top; MoveWindow(di.h, di.r.left, di.r.top, newW, newH, FALSE); SendMessage(di.h, WM_SETFONT, (WPARAM)hf, FALSE/*immediately*/); if (bResizeCombo) { if ((nStyles & CBS_OWNERDRAWFIXED) && (iComboWasHeight > 0) && (iComboFieldHeight > 0)) SendMessage(di.h, CB_SETITEMHEIGHT, -1, newH*iComboFieldHeight/iComboWasHeight); SendMessage(di.h, CB_SETEDITSEL, 0, MAKELPARAM(-1,0)); } EditIconHint_ResChanged(di.h); InvalidateRect(di.h, NULL, TRUE); #ifdef _DEBUG itest1 = GetObject(hf, sizeof(lftest1), &lftest1); hftest = (HFONT)SendMessage(di.h, WM_GETFONT, 0, 0); itest2 = GetObject(hftest, sizeof(lftest2), &lftest2); #endif } if (p->size() > 0) { const DlgItem& di = (*p)[0]; SendMessage(mh_Dlg, WM_SETFONT, (WPARAM)hf, FALSE); DWORD nWndFlags = SWP_NOZORDER | (lprcSuggested ? 0 : SWP_NOMOVE); SetWindowPos(mh_Dlg, NULL, lprcSuggested ? lprcSuggested->left : 0, lprcSuggested ? lprcSuggested->top : 0, di.r.right, di.r.bottom, nWndFlags); RECT rc = {}; GetClientRect(mh_Dlg, &rc); InvalidateRect(mh_Dlg, NULL, TRUE); RedrawWindow(mh_Dlg, &rc, NULL, /*RDW_ERASE|*/RDW_ALLCHILDREN/*|RDW_INVALIDATE|RDW_UPDATENOW|RDW_INTERNALPAINT*/); } if (mh_CurFont != hf) DeleteObject(mh_CurFont); mh_CurFont = hf; bRc = true; wrap: InterlockedDecrement(&mn_InSet); return bRc; }
bool CDpiForDialog::SetDialogDPI(const DpiValue& newDpi, LPRECT lprcSuggested /*= NULL*/) { wchar_t szLog[160]; RECT rcClient = {}, rcCurWnd = {}; #ifdef _DEBUG if (gbSkipSetDialogDPI) { GetClientRect(mh_Dlg, &rcClient); GetWindowRect(mh_Dlg, &rcCurWnd); _wsprintf(szLog, SKIPCOUNT(szLog) L"SKIPPED CDpiForDialog::SetDialogDPI x%08X, OldDpi={%i,%i}, NewDpi={%i,%i}, CurSize={%i,%i}, CurClient={%i,%i}", (DWORD)(DWORD_PTR)mh_Dlg, m_CurDpi.Xdpi, m_CurDpi.Ydpi, newDpi.Xdpi, newDpi.Ydpi, (rcCurWnd.right - rcCurWnd.left), (rcCurWnd.bottom - rcCurWnd.top), (rcClient.right - rcClient.left), (rcClient.bottom - rcClient.top)); LogString(szLog); return false; } #endif if (mn_InSet > 0) return false; if (newDpi.Ydpi <= 0 || newDpi.Xdpi <= 0) return false; if (m_CurDpi.Ydpi <= 0 || m_CurDpi.Xdpi <= 0) return false; // When overall DPI is very large but new dpi is small // (example: primary mon is 192 high-dpi, new mon is 96 dpi) // Windows goes crazy... HUGE caption, scrollbars, checkbox marks and so on... // So huge difference makes dialog unattractive, let's try to smooth that DpiValue setDpi(newDpi); if (m_InitDpi.Ydpi > MulDiv(setDpi.Ydpi, 144, 96)) { // Increase DPI one step up setDpi.Ydpi = MulDiv(setDpi.Ydpi, 120, 96); setDpi.Xdpi = MulDiv(setDpi.Xdpi, 120, 96); // Log it _wsprintf(szLog, SKIPCOUNT(szLog) L"CDpiForDialog::SetDialogDPI x%08X forces larger dpi value from {%i,%i} to {%i,%i}", (DWORD)(DWORD_PTR)mh_Dlg, newDpi.Xdpi, newDpi.Ydpi, setDpi.Xdpi, setDpi.Ydpi); LogString(szLog); } if (m_CurDpi.Equals(setDpi)) return false; bool bRc = false; MArray<DlgItem>* p = NULL; DpiValue curDpi(m_CurDpi); HFONT hf = NULL; wchar_t szClass[100]; #ifdef _DEBUG LOGFONT lftest1 = {}, lftest2 = {}; HFONT hftest; int itest1, itest2; #endif // To avoid several nested passes InterlockedIncrement(&mn_InSet); m_CurDpi.SetDpi(setDpi); // Eval mn_CurFontHeight = GetFontSizeForDpi(NULL, m_CurDpi.Ydpi); //(m_CurDpi.Ydpi && m_InitDpi.Ydpi) ? (mn_InitFontHeight * m_CurDpi.Ydpi / m_InitDpi.Ydpi) : -11; mlf_CurFont = mlf_InitFont; mlf_CurFont.lfHeight = mn_CurFontHeight; mlf_CurFont.lfWidth = 0; // Font mapper fault if (mn_CurFontHeight == 0) goto wrap; if (!m_Items.Get(m_CurDpi.Ydpi, &p)) { MArray<DlgItem>* pOrig = NULL; int iOrigDpi = 0; if (!m_Items.GetNext(NULL, &iOrigDpi, &pOrig) || !pOrig || (iOrigDpi <= 0)) goto wrap; int iNewDpi = m_CurDpi.Ydpi; p = new MArray<DlgItem>(); DWORD dwStyle = GetWindowLong(mh_Dlg, GWL_STYLE); DWORD dwStyleEx = GetWindowLong(mh_Dlg, GWL_EXSTYLE); if (!GetClientRect(mh_Dlg, &rcClient) || !GetWindowRect(mh_Dlg, &rcCurWnd)) { delete p; goto wrap; } _ASSERTE(rcClient.left==0 && rcClient.top==0); int calcDlgWidth = rcClient.right * m_CurDpi.Xdpi / curDpi.Xdpi; int calcDlgHeight = rcClient.bottom * m_CurDpi.Ydpi / curDpi.Ydpi; DlgItem i = {mh_Dlg}; // Windows DWM manager do not resize NonClient areas of per-monitor dpi aware applications // So, we can not use AdjustWindowRectEx to determine full window rectangle // Just use current NonClient dimensions i.r.right = calcDlgWidth + ((rcCurWnd.right - rcCurWnd.left) - rcClient.right); i.r.bottom = calcDlgHeight + ((rcCurWnd.bottom - rcCurWnd.top) - rcClient.bottom); // .right and .bottom are width and height of the dialog _ASSERTE(i.r.left==0 && i.r.top==0); p->push_back(i); for (INT_PTR k = 1; k < pOrig->size(); k++) { const DlgItem& iOrig = (*pOrig)[k]; i.h = iOrig.h; i.r.left = iOrig.r.left * iNewDpi / iOrigDpi; i.r.top = iOrig.r.top * iNewDpi / iOrigDpi; i.r.right = iOrig.r.right * iNewDpi / iOrigDpi; i.r.bottom = iOrig.r.bottom * iNewDpi / iOrigDpi; p->push_back(i); } m_Items.Set(iNewDpi, p); } if (p->size() <= 0) { _ASSERTE(FALSE && "No elements"); goto wrap; } else { const DlgItem& di = (*p)[0]; _wsprintf(szLog, SKIPCOUNT(szLog) L"CDpiForDialog::SetDialogDPI x%08X, OldDpi={%i,%i}, NewDpi={%i,%i}, OldSize={%i,%i}, NewSize={%i,%i}, NewFont=%i", (DWORD)(DWORD_PTR)mh_Dlg, curDpi.Xdpi, curDpi.Ydpi, newDpi.Xdpi, newDpi.Ydpi, (rcCurWnd.right - rcCurWnd.left), (rcCurWnd.bottom - rcCurWnd.top), di.r.right, di.r.bottom, mlf_CurFont.lfHeight); LogString(szLog); } hf = CreateFontIndirect(&mlf_CurFont); if (hf == NULL) { goto wrap; } for (INT_PTR k = p->size() - 1; k >= 1; k--) { const DlgItem& di = (*p)[k]; GetClassName(di.h, szClass, countof(szClass)); DWORD nCtrlID = GetWindowLong(di.h, GWL_ID); DWORD nStyles = GetWindowLong(di.h, GWL_STYLE); bool bResizeCombo = (lstrcmpi(szClass, L"ComboBox") == 0); int iComboFieldHeight = 0, iComboWasHeight = 0; LONG_PTR lFieldHeight = 0, lNewHeight = 0; RECT rcCur = {}; HWND hComboEdit = NULL; RECT rcEdit = {}, rcClient = {}; if (bResizeCombo && (nStyles & CBS_OWNERDRAWFIXED)) { GetWindowRect(di.h, &rcCur); hComboEdit = FindWindowEx(di.h, NULL, L"Edit", NULL); GetClientRect(di.h, &rcClient); GetClientRect(hComboEdit, &rcEdit); iComboWasHeight = (rcCur.bottom - rcCur.top); lFieldHeight = SendMessage(di.h, CB_GETITEMHEIGHT, -1, 0); if (lFieldHeight < iComboWasHeight) { iComboFieldHeight = lFieldHeight; } } int newW = di.r.right - di.r.left; int newH = di.r.bottom - di.r.top; MoveWindow(di.h, di.r.left, di.r.top, newW, newH, FALSE); SendMessage(di.h, WM_SETFONT, (WPARAM)hf, FALSE/*immediately*/); if (bResizeCombo) { if ((nStyles & CBS_OWNERDRAWFIXED) && (iComboWasHeight > 0) && (iComboFieldHeight > 0)) { RECT rcEdit2 = {}, rcClient2 = {}; GetClientRect(di.h, &rcClient2); GetClientRect(hComboEdit, &rcEdit2); lNewHeight = newH*iComboFieldHeight/iComboWasHeight; _wsprintf(szLog, SKIPCOUNT(szLog) L"CDpiForDialog::Combo height changed - OldHeight=%i, ItemHeight=%i, NewHeight=%i, NewItemHeight=%i", (rcCur.bottom - rcCur.top), lFieldHeight, newH, lNewHeight); LogString(szLog); SendMessage(di.h, CB_SETITEMHEIGHT, -1, lNewHeight); } SendMessage(di.h, CB_SETEDITSEL, 0, MAKELPARAM(-1,0)); } EditIconHint_ResChanged(di.h); InvalidateRect(di.h, NULL, TRUE); #ifdef _DEBUG itest1 = GetObject(hf, sizeof(lftest1), &lftest1); hftest = (HFONT)SendMessage(di.h, WM_GETFONT, 0, 0); itest2 = GetObject(hftest, sizeof(lftest2), &lftest2); #endif } if (p->size() > 0) { const DlgItem& di = (*p)[0]; SendMessage(mh_Dlg, WM_SETFONT, (WPARAM)hf, FALSE); DWORD nWndFlags = SWP_NOZORDER | (lprcSuggested ? 0 : SWP_NOMOVE); SetWindowPos(mh_Dlg, NULL, lprcSuggested ? lprcSuggested->left : 0, lprcSuggested ? lprcSuggested->top : 0, di.r.right, di.r.bottom, nWndFlags); RECT rc = {}; GetClientRect(mh_Dlg, &rc); InvalidateRect(mh_Dlg, NULL, TRUE); RedrawWindow(mh_Dlg, &rc, NULL, /*RDW_ERASE|*/RDW_ALLCHILDREN/*|RDW_INVALIDATE|RDW_UPDATENOW|RDW_INTERNALPAINT*/); } if (mh_CurFont != hf) DeleteObject(mh_CurFont); mh_CurFont = hf; bRc = true; wrap: InterlockedDecrement(&mn_InSet); return bRc; }