diff options
| -rw-r--r-- | alf/alflabel.cpp | 235 |
1 files changed, 124 insertions, 111 deletions
diff --git a/alf/alflabel.cpp b/alf/alflabel.cpp index adc70d4..37f1e83 100644 --- a/alf/alflabel.cpp +++ b/alf/alflabel.cpp @@ -56,6 +56,124 @@ ALF__Label_Text_DrawStateProc(HDC hdc, LPARAM lData, WPARAM wData, int cx, int c return TRUE; } +static void +ALF_Label_Paint(HWND hwnd, ALFLabelPriv *priv, HDC hdc, RECT *r) +{ + if (priv->bgcolor == ALF_COLOR_TRANSPARENT) { + ALF_Compat_DrawThemeParentBackground(hwnd, hdc, r); + } else { + ALF_FillRect(hdc, r, priv->bgcolor); + } + + HFONT oldFont = SelectFont(hdc, priv->font); + + SetTextColor(hdc, ALF_ColorToGdi(priv->textcolor)); + SetBkMode(hdc, TRANSPARENT); + + // calc drawtext style + UINT format = DT_EXPANDTABS; + + LRESULT uiState = SendMessage(hwnd, WM_QUERYUISTATE, 0, 0); + if (uiState & UISF_HIDEACCEL) + format |= DT_HIDEPREFIX; + + RECT rc; + GetClientRect(hwnd, &rc); + + switch (priv->style & ALF_LABEL_HALIGN_MASK) { + case ALF_LABEL_ALIGN_HCENTER: + format |= DT_CENTER; + break; + case ALF_LABEL_ALIGN_RIGHT: + format |= DT_RIGHT; + break; + } + switch (priv->style & ALF_LABEL_VALIGN_MASK) { + case ALF_LABEL_ALIGN_BOTTOM: + format |= DT_BOTTOM; + break; + case ALF_LABEL_ALIGN_VCENTER: + format |= DT_VCENTER; + break; + } + + if ((priv->style & ALF_LABEL_HALIGN_MASK) == ALF_LABEL_ALIGN_LEFT_LIKE_EDIT) + rc.left += ALF__LabelLeftPadding(hwnd, hdc); + if ((priv->style & ALF_LABEL_VALIGN_MASK) == ALF_LABEL_ALIGN_TOP_LIKE_EDIT) + rc.top += ALF__LabelTopPadding(hwnd); + + TCHAR *text = ALF_Text(hwnd); + + if (!IsWindowEnabled(hwnd)) { + if (!ALF_Compat_IsMinWindowsVersion(4, 0)) { + // Win32s/NT 3.51 uses gray text, but a different gray than Win9x + SetTextColor(hdc, GetSysColor(COLOR_BTNSHADOW)); + + DrawText(hdc, text, -1, &rc, format); + } else if (ALF_Compat_IsWin9x()) { + // Win9x just uses gray text. DSS_DISABLED is broken there, too, + // so we can't get the NT look even if we wanted to + SetTextColor(hdc, GetSysColor(COLOR_GRAYTEXT)); + + DrawText(hdc, text, -1, &rc, format); + } else { + // FIXME! This doesn't look good when using uxtheme, even though windows does it the same way + // need to investigate whether drawing with disabled button style looks nicer + DrawState(hdc, NULL, + ALF__Label_Text_DrawStateProc, + (LPARAM)text, (WPARAM)format, + rc.left, + rc.top, + rc.right - rc.left, + rc.bottom - rc.top, + DST_COMPLEX | DSS_DISABLED); + } + } else { + DrawText(hdc, text, -1, &rc, format); + } + + ALF_Free(text); + + SelectFont(hdc, oldFont); +} + +static void +ALF_Label_CalculateSize(HWND hwnd, ALFLabelPriv *priv, SIZE *pSize) +{ + int textlen = GetWindowTextLength(hwnd); + if (textlen) { + HDC hdcLabel = GetDC(hwnd); + HFONT oldFont = SelectFont(hdcLabel, priv->font); + + // calc drawtext style + UINT format = DT_LEFT | DT_EXPANDTABS | DT_CALCRECT; + + RECT r = { 0, 0, 100, 100 }; + + TCHAR *textbuf = ALF_New(TCHAR, (SIZE_T)textlen + 1); + GetWindowText(hwnd, textbuf, textlen+1); + + DrawText(hdcLabel, textbuf, -1, &r, format); + + ALF_Free(textbuf); + + if (pSize->cx == 0) { + pSize->cx = r.right - r.left; + if ((priv->style & ALF_LABEL_HALIGN_MASK) == ALF_LABEL_ALIGN_LEFT_LIKE_EDIT) + pSize->cx += ALF__LabelLeftPadding(hwnd, hdcLabel); + } + if (pSize->cy == 0) { + pSize->cy = r.bottom - r.top; + if ((priv->style & ALF_LABEL_VALIGN_MASK) == ALF_LABEL_ALIGN_TOP_LIKE_EDIT) + pSize->cy += ALF__LabelTopPadding(hwnd); + } + + SelectFont(hdcLabel, oldFont); + + ReleaseDC(hwnd, hdcLabel); + } +} + static LRESULT CALLBACK ALF__LabelWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { @@ -105,123 +223,18 @@ ALF__LabelWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) PAINTSTRUCT ps; HDC hdc = BeginPaint(hwnd, &ps); - if (priv->bgcolor == ALF_COLOR_TRANSPARENT) { - ALF_Compat_DrawThemeParentBackground(hwnd, hdc, &ps.rcPaint); - } else { - ALF_FillRect(hdc, &ps.rcPaint, priv->bgcolor); - } - - HFONT oldFont = NULL; - if (priv->font) - oldFont = SelectFont(hdc, priv->font); - - SetTextColor(hdc, ALF_ColorToGdi(priv->textcolor)); - SetBkMode(hdc, TRANSPARENT); - - // calc drawtext style - UINT format = DT_EXPANDTABS; + ALF_Label_Paint(hwnd, priv, hdc, &ps.rcPaint); - LRESULT uiState = SendMessage(hwnd, WM_QUERYUISTATE, 0, 0); - if (uiState & UISF_HIDEACCEL) - format |= DT_HIDEPREFIX; + EndPaint(hwnd, &ps); + return TRUE; + } else if (uMsg == WM_PRINTCLIENT) { RECT rc; GetClientRect(hwnd, &rc); - switch (priv->style & ALF_LABEL_HALIGN_MASK) { - case ALF_LABEL_ALIGN_HCENTER: - format |= DT_CENTER; - break; - case ALF_LABEL_ALIGN_RIGHT: - format |= DT_RIGHT; - break; - } - switch (priv->style & ALF_LABEL_VALIGN_MASK) { - case ALF_LABEL_ALIGN_BOTTOM: - format |= DT_BOTTOM; - break; - case ALF_LABEL_ALIGN_VCENTER: - format |= DT_VCENTER; - break; - } - - if ((priv->style & ALF_LABEL_HALIGN_MASK) == ALF_LABEL_ALIGN_LEFT_LIKE_EDIT) - rc.left += ALF__LabelLeftPadding(hwnd, hdc); - if ((priv->style & ALF_LABEL_VALIGN_MASK) == ALF_LABEL_ALIGN_TOP_LIKE_EDIT) - rc.top += ALF__LabelTopPadding(hwnd); - - TCHAR *text = ALF_Text(hwnd); - - if (!IsWindowEnabled(hwnd)) { - if (!ALF_Compat_IsMinWindowsVersion(4, 0)) { - // Win32s/NT 3.51 uses gray text, but a different gray than Win9x - SetTextColor(hdc, GetSysColor(COLOR_BTNSHADOW)); - - DrawText(hdc, text, -1, &rc, format); - } else if (ALF_Compat_IsWin9x()) { - // Win9x just uses gray text. DSS_DISABLED is broken there, too, - // so we can't get the NT look even if we wanted to - SetTextColor(hdc, GetSysColor(COLOR_GRAYTEXT)); - - DrawText(hdc, text, -1, &rc, format); - } else { - // FIXME! This doesn't look good when using uxtheme, even though windows does it the same way - // need to investigate whether drawing with disabled button style looks nicer - DrawState(hdc, NULL, - ALF__Label_Text_DrawStateProc, - (LPARAM)text, (WPARAM)format, - rc.left, - rc.top, - rc.right - rc.left, - rc.bottom - rc.top, - DST_COMPLEX | DSS_DISABLED); - } - } else { - DrawText(hdc, text, -1, &rc, format); - } - - ALF_Free(text); - - if (oldFont) - SelectFont(hdc, oldFont); - - EndPaint(hwnd, &ps); - - return TRUE; + ALF_Label_Paint(hwnd, priv, (HDC)wParam, &rc); } else if (uMsg == ALF_WM_QUERYSIZE) { - int textlen = GetWindowTextLength(hwnd); - SIZE *pSize = (SIZE*)(void*)lParam; - if (textlen) { - HDC hdcLabel = GetDC(hwnd); - HFONT oldFont = SelectFont(hdcLabel, priv->font); - - // calc drawtext style - UINT format = DT_LEFT | DT_EXPANDTABS | DT_CALCRECT; - - RECT r = { 0, 0, 100, 100 }; - - TCHAR *textbuf = ALF_New(TCHAR, (SIZE_T)textlen + 1); - GetWindowText(hwnd, textbuf, textlen+1); - - DrawText(hdcLabel, textbuf, -1, &r, format); - - ALF_Free(textbuf); - - if (pSize->cx == 0) { - pSize->cx = r.right - r.left; - if ((priv->style & ALF_LABEL_HALIGN_MASK) == ALF_LABEL_ALIGN_LEFT_LIKE_EDIT) - pSize->cx += ALF__LabelLeftPadding(hwnd, hdcLabel); - } - if (pSize->cy == 0) { - pSize->cy = r.bottom - r.top; - if ((priv->style & ALF_LABEL_VALIGN_MASK) == ALF_LABEL_ALIGN_TOP_LIKE_EDIT) - pSize->cy += ALF__LabelTopPadding(hwnd); - } - - SelectFont(hdcLabel, oldFont); - - ReleaseDC(hwnd, hdcLabel); - } + ALF_Label_CalculateSize(hwnd, priv, (SIZE*)lParam); } else if (uMsg == WM_WINDOWPOSCHANGED) { WINDOWPOS *p = (WINDOWPOS *)lParam; if (!(p->flags & SWP_NOSIZE)) { |