From f240b8f49e3e986ec7f4b5aa158137b3aa19b033 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miko=C5=82aj=20Zalewski?= <mikolaj@zalewski.pl>
Date: Thu, 17 Jul 2008 17:33:08 +0200
Subject: [PATCH] comctl32: statusbar: Change the height expression to one that
 seems to be the same as in Windows.

---
 dlls/comctl32/status.c       |  5 +++-
 dlls/comctl32/tests/status.c | 58 ++++++++++++++++++++++++++++++++++--
 2 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/dlls/comctl32/status.c b/dlls/comctl32/status.c
index 1b97b41bdc4..45615eb8e15 100644
--- a/dlls/comctl32/status.c
+++ b/dlls/comctl32/status.c
@@ -94,6 +94,7 @@ typedef struct
 #define HORZ_BORDER 0
 #define VERT_BORDER 2
 #define HORZ_GAP    2
+#define MIN_PANE_HEIGHT 18
 
 static const WCHAR themeClass[] = { 'S','t','a','t','u','s',0 };
 
@@ -114,9 +115,11 @@ STATUSBAR_ComputeHeight(STATUS_INFO *infoPtr)
     HTHEME theme;
     UINT height;
     TEXTMETRICW tm;
+    int margin;
 
     COMCTL32_GetFontMetrics(infoPtr->hFont ? infoPtr->hFont : infoPtr->hDefaultFont, &tm);
-    height = tm.tmHeight + 4 + infoPtr->verticalBorder;
+    margin = (tm.tmInternalLeading ? tm.tmInternalLeading : 2);
+    height = max(tm.tmHeight + margin + 2*GetSystemMetrics(SM_CYBORDER), MIN_PANE_HEIGHT) + infoPtr->verticalBorder;
 
     if ((theme = GetWindowTheme(infoPtr->Self)))
     {
diff --git a/dlls/comctl32/tests/status.c b/dlls/comctl32/tests/status.c
index b6c5b7bcb8b..178d3ed11be 100644
--- a/dlls/comctl32/tests/status.c
+++ b/dlls/comctl32/tests/status.c
@@ -106,12 +106,56 @@ static void test_create()
     DestroyWindow(hwnd);
 }
 
-static void test_setfont()
+static int CALLBACK check_height_font_enumproc(ENUMLOGFONTEX *enumlf, NEWTEXTMETRICEX *ntm, DWORD type, LPARAM lParam)
 {
+    HWND hwndStatus = (HWND)lParam;
+    HDC hdc = GetDC(NULL);
+    static const int sizes[] = {8, 9, 10, 12, 16, 22, 28, 36, 48, 72};
+    int i;
+
+    trace("Font %s\n", enumlf->elfFullName);
+    for (i = 0; i < sizeof(sizes)/sizeof(sizes[0]); i++)
+    {
+        HFONT hFont;
+        TEXTMETRIC tm;
+        HFONT hCtrlFont;
+        HFONT hOldFont;
+        RECT rcCtrl;
+
+        enumlf->elfLogFont.lfHeight = sizes[i];
+        hFont = CreateFontIndirect(&enumlf->elfLogFont);
+        hCtrlFont = (HFONT)SendMessage(hwndStatus, WM_SETFONT, (WPARAM)hFont, TRUE);
+        hOldFont = SelectObject(hdc, hFont);
+
+        GetClientRect(hwndStatus, &rcCtrl);
+        GetTextMetrics(hdc, &tm);
+        expect(max(tm.tmHeight + (tm.tmInternalLeading ? tm.tmInternalLeading : 2) + 4, 20), rcCtrl.bottom);
+
+        SelectObject(hdc, hOldFont);
+        SendMessage(hwndStatus, WM_SETFONT, (WPARAM)hCtrlFont, TRUE);
+        DeleteObject(hFont);
+    }
+    ReleaseDC(NULL, hdc);
+    return 1;
+}
+
+static int CALLBACK check_height_family_enumproc(ENUMLOGFONTEX *enumlf, NEWTEXTMETRICEX *ntm, DWORD type, LPARAM lParam)
+{
+    HDC hdc = GetDC(NULL);
+    enumlf->elfLogFont.lfHeight = 0;
+    EnumFontFamiliesEx(hdc, &enumlf->elfLogFont, (FONTENUMPROC)check_height_font_enumproc, lParam, 0);
+    ReleaseDC(NULL, hdc);
+    return 1;
+}
+
+static void test_height(void)
+{
+    LOGFONT lf;
     HFONT hFont;
     RECT rc1, rc2;
     HWND hwndStatus = CreateWindow(SUBCLASS_NAME, NULL, WS_CHILD|WS_VISIBLE,
         0, 0, 300, 20, g_hMainWnd, NULL, NULL, NULL);
+    HDC hdc;
 
     GetClientRect(hwndStatus, &rc1);
     hFont = CreateFont(32, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE, ANSI_CHARSET,
@@ -122,7 +166,7 @@ static void test_setfont()
     ok(g_wmsize_count > 0, "WM_SETFONT should issue WM_SIZE\n");
 
     GetClientRect(hwndStatus, &rc2);
-    todo_wine expect_rect(0, 0, 672, 42, rc2);
+    todo_wine expect_rect(0, 0, 672, 42, rc2); /* GetTextMetrics returns invalid tmInternalLeading for this font */
 
     g_wmsize_count = 0;
     SendMessage(hwndStatus, WM_SETFONT, (WPARAM)hFont, TRUE);
@@ -131,6 +175,14 @@ static void test_setfont()
     GetClientRect(hwndStatus, &rc2);
     todo_wine expect_rect(0, 0, 672, 42, rc2);
 
+    /* test the height formula */
+    ZeroMemory(&lf, sizeof(lf));
+    SendMessage(hwndStatus, SB_SETMINHEIGHT, 0, 0);
+    hdc = GetDC(NULL);
+    trace("dpi=%d\n", GetDeviceCaps(hdc, LOGPIXELSY));
+    EnumFontFamiliesEx(hdc, &lf, (FONTENUMPROC)check_height_family_enumproc, (LPARAM)hwndStatus, 0);
+    ReleaseDC(NULL, hdc);
+
     DestroyWindow(hwndStatus);
     DeleteObject(hFont);
 }
@@ -294,5 +346,5 @@ START_TEST(status)
 
     test_status_control();
     test_create();
-    test_setfont();
+    test_height();
 }