[2/5] comctl32/listview: correct icon spacing calculation when set to 0 or -1

Daniel Jelinski djelinski1 at gmail.com
Sat Jan 19 17:16:41 CST 2013


-------------- next part --------------
From 4e247cab75542e5891d1923d31b502177e82608e Mon Sep 17 00:00:00 2001
From: Daniel Jelinski <djelinski1 at gmail.com>
Date: Sat, 19 Jan 2013 23:36:27 +0100
Subject: comctl32/listview: correct icon spacing calculation when set to 0 or
 -1

---
 dlls/comctl32/listview.c       |   40 +++++++++++++++++-----------------------
 dlls/comctl32/tests/listview.c |   28 +++++++++++-----------------
 2 files changed, 28 insertions(+), 40 deletions(-)

diff --git a/dlls/comctl32/listview.c b/dlls/comctl32/listview.c
index 49da83c..31b94a4 100644
--- a/dlls/comctl32/listview.c
+++ b/dlls/comctl32/listview.c
@@ -8,6 +8,7 @@
  * Copyright 2002 Dimitrie O. Paun
  * Copyright 2009-2013 Nikolay Sivov
  * Copyright 2009 Owen Rudge for CodeWeavers
+ * Copyright 2012-2013 Daniel Jelinski
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -8584,28 +8585,21 @@ static DWORD LISTVIEW_SetIconSpacing(LISTVIEW_INFO *infoPtr, INT cx, INT cy)
     if (infoPtr->uView != LV_VIEW_ICON) return oldspacing;
   
     /* set to defaults, if instructed to */
-    if (cx == -1) cx = GetSystemMetrics(SM_CXICONSPACING);
-    if (cy == -1) cy = GetSystemMetrics(SM_CYICONSPACING);
-
-    /* if 0 then compute width
-     * FIXME: computed cx and cy is not matching native behaviour */
-    if (cx == 0) {
-        cx = GetSystemMetrics(SM_CXICONSPACING);
-        if (infoPtr->iconSize.cx + ICON_LR_PADDING > cx)
-            cx = infoPtr->iconSize.cx + ICON_LR_PADDING;
+    if (cx == -1 && cy == -1)
+    {
+        cx = GetSystemMetrics(SM_CXICONSPACING) - GetSystemMetrics(SM_CXICON) + infoPtr->iconSize.cx;
+        cy = GetSystemMetrics(SM_CYICONSPACING) - GetSystemMetrics(SM_CYICON) + infoPtr->iconSize.cy;
     }
+    /* if 0 then keep width */
+    if (cx != 0)
+        infoPtr->iconSpacing.cx = cx;
 
-    /* if 0 then compute height */
-    if (cy == 0) 
-	cy = infoPtr->iconSize.cy + 2 * infoPtr->ntmHeight +
-	     ICON_BOTTOM_PADDING + ICON_TOP_PADDING + LABEL_VERT_PADDING;
-    
-
-    infoPtr->iconSpacing.cx = cx;
-    infoPtr->iconSpacing.cy = cy;
+    /* if 0 then keep height */
+    if (cy != 0)
+        infoPtr->iconSpacing.cy = cy;
 
     TRACE("old=(%d,%d), new=(%d,%d), iconSize=(%d,%d), ntmH=%d\n",
-	  LOWORD(oldspacing), HIWORD(oldspacing), cx, cy, 
+          LOWORD(oldspacing), HIWORD(oldspacing), infoPtr->iconSpacing.cx, infoPtr->iconSpacing.cy,
 	  infoPtr->iconSize.cx, infoPtr->iconSize.cy,
 	  infoPtr->ntmHeight);
 
@@ -8657,7 +8651,7 @@ static HIMAGELIST LISTVIEW_SetImageList(LISTVIEW_INFO *infoPtr, INT nType, HIMAG
         himlOld = infoPtr->himlNormal;
         infoPtr->himlNormal = himl;
         if (infoPtr->uView == LV_VIEW_ICON) set_icon_size(&infoPtr->iconSize, himl, FALSE);
-        LISTVIEW_SetIconSpacing(infoPtr, 0, 0);
+        LISTVIEW_SetIconSpacing(infoPtr, -1, -1);
     break;
 
     case LVSIL_SMALL:
@@ -9081,7 +9075,7 @@ static INT LISTVIEW_SetView(LISTVIEW_INFO *infoPtr, DWORD nView)
       {
             TRACE("icon old size=(%d,%d), new size=(%d,%d)\n",
                    oldIconSize.cx, oldIconSize.cy, infoPtr->iconSize.cx, infoPtr->iconSize.cy);
-	    LISTVIEW_SetIconSpacing(infoPtr, 0, 0);
+	    LISTVIEW_SetIconSpacing(infoPtr, -1, -1);
       }
       LISTVIEW_Arrange(infoPtr, LVA_DEFAULT);
       break;
@@ -9380,8 +9374,8 @@ static LRESULT LISTVIEW_NCCreate(HWND hwnd, const CREATESTRUCTW *lpcs)
   infoPtr->bRedraw = TRUE;
   infoPtr->bNoItemMetrics = TRUE;
   infoPtr->bDoChangeNotify = TRUE;
-  infoPtr->iconSpacing.cx = GetSystemMetrics(SM_CXICONSPACING);
-  infoPtr->iconSpacing.cy = GetSystemMetrics(SM_CYICONSPACING);
+  infoPtr->iconSpacing.cx = GetSystemMetrics(SM_CXICONSPACING) - GetSystemMetrics(SM_CXICON);
+  infoPtr->iconSpacing.cy = GetSystemMetrics(SM_CYICONSPACING) - GetSystemMetrics(SM_CYICON);
   infoPtr->nEditLabelItem = -1;
   infoPtr->nLButtonDownItem = -1;
   infoPtr->dwHoverTime = HOVER_DEFAULT; /* default system hover time */
@@ -11003,7 +10997,7 @@ static INT LISTVIEW_StyleChanged(LISTVIEW_INFO *infoPtr, WPARAM wStyleType,
             {
                 TRACE("icon old size=(%d,%d), new size=(%d,%d)\n",
 		      oldIconSize.cx, oldIconSize.cy, infoPtr->iconSize.cx, infoPtr->iconSize.cy);
-	        LISTVIEW_SetIconSpacing(infoPtr, 0, 0);
+	        LISTVIEW_SetIconSpacing(infoPtr, -1, -1);
             }
         }
         else if (uNewView == LVS_REPORT)
diff --git a/dlls/comctl32/tests/listview.c b/dlls/comctl32/tests/listview.c
index 45e403a..ccb55d7 100644
--- a/dlls/comctl32/tests/listview.c
+++ b/dlls/comctl32/tests/listview.c
@@ -4609,10 +4609,9 @@ static void test_getitemspacing(void)
     /* LVS_ICON */
     hwnd = create_listview_control(LVS_ICON);
     ret = SendMessage(hwnd, LVM_GETITEMSPACING, FALSE, 0);
-todo_wine {
     expect(cx, LOWORD(ret));
     expect(cy, HIWORD(ret));
-}
+
     /* now try with icons */
     himl40 = ImageList_Create(40, 40, 0, 4, 4);
     ok(himl40 != NULL, "failed to create imagelist\n");
@@ -4622,7 +4621,6 @@ todo_wine {
     expect(0, ret);
 
     ret = SendMessage(hwnd, LVM_GETITEMSPACING, FALSE, 0);
-todo_wine {
     /* spacing + icon size returned */
     expect(cx + 40, LOWORD(ret));
     expect(cy + 40, HIWORD(ret));
@@ -4638,7 +4636,7 @@ todo_wine {
     ret = SendMessage(hwnd, LVM_SETICONSPACING, 0, MAKELPARAM(100, 100));
     expect(cx + 80, LOWORD(ret));
     expect(cy + 80, HIWORD(ret));
-}
+
     ret = SendMessage(hwnd, LVM_GETITEMSPACING, FALSE, 0);
     /* set size returned */
     expect(100, LOWORD(ret));
@@ -4660,15 +4658,16 @@ todo_wine {
 
     ret = SendMessage(hwnd, LVM_GETITEMSPACING, FALSE, 0);
     expect(100, LOWORD(ret));
-    expect(0xFFFF, HIWORD(ret));
 }
+    expect(0xFFFF, HIWORD(ret));
+
 #ifdef _WIN64
     /* NOTE: -1 is not treated the same as (DWORD)-1 by 64bit listview */
     ret = SendMessage(hwnd, LVM_SETICONSPACING, 0, (DWORD)-1);
-todo_wine {
+todo_wine
     expect(100, LOWORD(ret));
     expect(0xFFFF, HIWORD(ret));
-}
+
     ret = SendMessage(hwnd, LVM_SETICONSPACING, 0, 0xBAADF00DDEADBEEFLL);
 todo_wine {
     expect(0xFFFF, LOWORD(ret));
@@ -4680,27 +4679,24 @@ todo_wine {
     ok(0xDEADBEEF == ret2, "Expected 00000000DEADBEEF, got %p\n", (void*)ret2);
 #else
     ret = SendMessage(hwnd, LVM_SETICONSPACING, 0, -1);
-todo_wine {
+todo_wine
     expect(100, LOWORD(ret));
     expect(0xFFFF, HIWORD(ret));
-}
 #endif
     ret = SendMessage(hwnd, LVM_GETITEMSPACING, FALSE, 0);
     /* spacing + icon size returned */
-todo_wine {
     expect(cx + 40, LOWORD(ret));
     expect(cy + 40, HIWORD(ret));
-}
+
     SendMessage(hwnd, LVM_SETIMAGELIST, LVSIL_NORMAL, 0);
     ImageList_Destroy(himl80);
     DestroyWindow(hwnd);
     /* LVS_SMALLICON */
     hwnd = create_listview_control(LVS_SMALLICON);
     ret = SendMessage(hwnd, LVM_GETITEMSPACING, FALSE, 0);
-todo_wine {
     expect(cx, LOWORD(ret));
     expect(cy, HIWORD(ret));
-}
+
     /* spacing does not depend on selected view type */
     ret = SendMessage(hwnd, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)himl40);
     expect(0, ret);
@@ -4717,18 +4713,16 @@ todo_wine {
     /* LVS_REPORT */
     hwnd = create_listview_control(LVS_REPORT);
     ret = SendMessage(hwnd, LVM_GETITEMSPACING, FALSE, 0);
-todo_wine {
     expect(cx, LOWORD(ret));
     expect(cy, HIWORD(ret));
-}
+
     DestroyWindow(hwnd);
     /* LVS_LIST */
     hwnd = create_listview_control(LVS_LIST);
     ret = SendMessage(hwnd, LVM_GETITEMSPACING, FALSE, 0);
-todo_wine {
     expect(cx, LOWORD(ret));
     expect(cy, HIWORD(ret));
-}
+
     DestroyWindow(hwnd);
 }
 
-- 
1.7.5.4


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