[PATCH 06/10] comdlg32: Add inner border to breadcrumbs in IFileDialog navigation bar.

[Vladislav Timonin]

From: Vladislav Timonin

---
 dlls/comdlg32/navbar.c | 53 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 51 insertions(+), 2 deletions(-)

diff --git a/dlls/comdlg32/navbar.c b/dlls/comdlg32/navbar.c
index 5ad19137213..9c8677545fd 100644
--- a/dlls/comdlg32/navbar.c
+++ b/dlls/comdlg32/navbar.c
@@ -37,6 +37,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
 #define IDC_NAVUP 203
 #define IDC_NAVCRUMB 204

+#define BACKGROUND_SUBCLASS_ID 1
+
 typedef struct {
     HWND parent_hwnd;
     HWND container_hwnd;
@@ -50,6 +52,10 @@ typedef struct {
     HWND fwd_btn_hwnd;
     HWND up_btn_hwnd;

+    HWND background_hwnd;
+    INT background_x;
+    INT background_w;
+
     struct list crumbs;
     INT crumbs_total_n;
     INT crumbs_visible_n;
@@ -92,6 +98,28 @@ static void set_title_and_add_tooltip(NAVBAR_INFO *info, HWND window, UINT strin
     SendMessageW(info->tooltip, TTM_ADDTOOLW, 0, (LPARAM)&toolinfo);
 }

+static LRESULT CALLBACK NAVBAR_BACKGROUND_SubclassProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, UINT_PTR id_subclass, DWORD_PTR ref_data)
+{
+    switch (msg)
+    {
+        case WM_PAINT:
+        {
+            PAINTSTRUCT ps;
+            HDC hdc = BeginPaint(hwnd, &ps);
+            RECT rc;
+
+            GetClientRect(hwnd, &rc);
+
+            /* draw a frame without left border */
+            DrawEdge(hdc, &rc, EDGE_SUNKEN, BF_TOP | BF_BOTTOM | BF_RIGHT | BF_FLAT);
+
+            return 0; /* processed */
+        }
+    }
+
+    return DefSubclassProc(hwnd, msg, wparam, lparam);
+}
+
 static void NAVBAR_CalcLayout(NAVBAR_INFO *info)
 {
     RECT container_rc, up_button_rc;
@@ -181,6 +209,9 @@ static void NAVBAR_CalcLayout(NAVBAR_INFO *info)
     else
         prev_x = buttons_w + w;

+    info->background_x = prev_x;
+    info->background_w = container_rc.right - prev_x;
+
     info->crumbs_visible_n = crumbs_visible_n;

LIST_FOR_EACH_ENTRY_REV(crumb1, &info->crumbs, struct crumb, entry)
@@ -211,6 +242,7 @@ static HDWP NAVBAR_DoLayout(NAVBAR_INFO *info, HDWP hdwp)
 {
     struct crumb *crumb;
     INT can_fit_n = info->crumbs_visible_n;
+    UINT background_flags = 0;

LIST_FOR_EACH_ENTRY_REV(crumb, &info->crumbs, struct crumb, entry)
     {
@@ -229,6 +261,16 @@ static HDWP NAVBAR_DoLayout(NAVBAR_INFO *info, HDWP hdwp)
         can_fit_n -= 1;
     }

+    if (info->background_w > 0)
+        background_flags |= SWP_SHOWWINDOW | SWP_NOCOPYBITS;
+    else
+        background_flags |= SWP_HIDEWINDOW;
+
+    hdwp = DeferWindowPos(hdwp, info->background_hwnd, HWND_TOP,
+                          info->background_x, 0,
+                          info->background_w, info->container_h,
+                          background_flags);
+
     return hdwp;
 }

@@ -284,6 +326,13 @@ static LRESULT NAVBAR_Create(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
     set_icon(info->icons, ILI_UP, info->up_btn_hwnd);
     set_title_and_add_tooltip(info, info->up_btn_hwnd, IDS_UPFOLDER);

+    x += cs->cy + 1;
+    info->background_hwnd = CreateWindowExW(0, WC_STATICW, NULL,
+                                            WS_CHILD | WS_VISIBLE,
+                                            x, 0, 0, cs->cy,
+                                            hwnd, 0, COMDLG32_hInstance, NULL);
+    SetWindowSubclass(info->background_hwnd, NAVBAR_BACKGROUND_SubclassProc, BACKGROUND_SUBCLASS_ID, (DWORD_PTR)info);
+
     SetWindowLongPtrW(hwnd, 0, (DWORD_PTR)info);

return DefWindowProcW(hwnd, msg, wparam, lparam);
@@ -315,7 +364,7 @@ static LRESULT NAVBAR_Size(HWND hwnd, NAVBAR_INFO *info, UINT msg, WPARAM wparam

NAVBAR_CalcLayout(info);

-    hdwp = BeginDeferWindowPos(info->crumbs_total_n);
+    hdwp = BeginDeferWindowPos(info->crumbs_total_n + 1);
     hdwp = NAVBAR_DoLayout(info, hdwp);
     EndDeferWindowPos(hdwp);

@@ -445,7 +494,7 @@ static LRESULT NAVBAR_SetPIDL(HWND hwnd, NAVBAR_INFO *info, UINT msg, WPARAM wpa

NAVBAR_CalcLayout(info);

-    hdwp = BeginDeferWindowPos(info->crumbs_total_n);
+    hdwp = BeginDeferWindowPos(info->crumbs_total_n + 1);
     hdwp = NAVBAR_DoLayout(info, hdwp);
     EndDeferWindowPos(hdwp);