[reactos] 01/01: [REGEDIT] Use shell icons for the tree view

[Stanislav Motylkov]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=5daf5cd057d1b04996531…

commit 5daf5cd057d1b0499653196e73a1b2c410a7313a
Author:     Stanislav Motylkov <x86corez(a)gmail.com>
AuthorDate: Thu Nov 3 01:38:05 2022 +0300
Commit:     Stanislav Motylkov <x86corez(a)gmail.com>
CommitDate: Thu Nov 3 02:58:05 2022 +0300

    [REGEDIT] Use shell icons for the tree view
    
    - This makes regedit.exe smaller
    - Reduces resource duplication in the source tree
    - Potentially improves support for theming
    
    CORE-10764
---
 base/applications/regedit/regedit.rc         |   3 ---
 base/applications/regedit/res/computer.ico   | Bin 2550 -> 0 bytes
 base/applications/regedit/res/folder.ico     | Bin 2862 -> 0 bytes
 base/applications/regedit/res/folderopen.ico | Bin 2862 -> 0 bytes
 base/applications/regedit/resource.h         |   3 ---
 base/applications/regedit/treeview.c         |  36 ++++++++++++++++-----------
 6 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/base/applications/regedit/regedit.rc b/base/applications/regedit/regedit.rc
index 08b2d17829a..18568e40aff 100644
--- a/base/applications/regedit/regedit.rc
+++ b/base/applications/regedit/regedit.rc
@@ -33,9 +33,6 @@
 
 LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 
-IDI_OPEN_FILE ICON "res/folderopen.ico"
-IDI_CLOSED_FILE ICON "res/folder.ico"
-IDI_ROOT ICON "res/computer.ico"
 IDI_STRING ICON "res/string.ico"
 IDI_BIN ICON "res/bin.ico"
 IDI_REGEDIT ICON "res/regedit.ico"
diff --git a/base/applications/regedit/res/computer.ico
b/base/applications/regedit/res/computer.ico
deleted file mode 100644
index 5287a0b8a7e..00000000000
Binary files a/base/applications/regedit/res/computer.ico and /dev/null differ
diff --git a/base/applications/regedit/res/folder.ico
b/base/applications/regedit/res/folder.ico
deleted file mode 100644
index 25802f9a82f..00000000000
Binary files a/base/applications/regedit/res/folder.ico and /dev/null differ
diff --git a/base/applications/regedit/res/folderopen.ico
b/base/applications/regedit/res/folderopen.ico
deleted file mode 100644
index e488448ef87..00000000000
Binary files a/base/applications/regedit/res/folderopen.ico and /dev/null differ
diff --git a/base/applications/regedit/resource.h b/base/applications/regedit/resource.h
index 5655ef8cfdc..dd39001ac1c 100644
--- a/base/applications/regedit/resource.h
+++ b/base/applications/regedit/resource.h
@@ -40,9 +40,6 @@
 #define IDC_REGEDIT_FRAME             110
 #define IDR_REGEDIT_MENU              130
 #define IDD_EXPORTRANGE               131
-#define IDI_OPEN_FILE                 132
-#define IDI_CLOSED_FILE               133
-#define IDI_ROOT                      134
 #define IDI_STRING                    135
 #define IDI_BIN                       136
 #define IDR_POPUP_MENUS               137
diff --git a/base/applications/regedit/treeview.c b/base/applications/regedit/treeview.c
index 4320846c283..7719039e835 100644
--- a/base/applications/regedit/treeview.c
+++ b/base/applications/regedit/treeview.c
@@ -32,6 +32,11 @@ static LPWSTR pathBuffer;
 
 #define NUM_ICONS   3
 
+/* External resources in shell32.dll */
+#define IDI_SHELL_FOLDER             4
+#define IDI_SHELL_FOLDER_OPEN        5
+#define IDI_SHELL_MY_COMPUTER       16
+
 static BOOL get_item_path(HWND hwndTV, HTREEITEM hItem, HKEY* phKey, LPWSTR* pKeyPath,
int* pPathLen, int* pMaxLen)
 {
     TVITEMW item;
@@ -441,42 +446,43 @@ static BOOL InitTreeViewImageLists(HWND hwndTV)
     HICON hico;       /* handle to icon  */
     INT cx = GetSystemMetrics(SM_CXSMICON);
     INT cy = GetSystemMetrics(SM_CYSMICON);
+    HMODULE hShell32 = GetModuleHandleW(L"shell32.dll");
 
     /* Create the image list.  */
     if ((himl = ImageList_Create(cx, cy, ILC_MASK | ILC_COLOR32, 0, NUM_ICONS)) == NULL)
         return FALSE;
 
     /* Add the open file, closed file, and document bitmaps.  */
-    hico = LoadImageW(hInst,
-                      MAKEINTRESOURCEW(IDI_OPEN_FILE),
+    hico = LoadImageW(hShell32,
+                      MAKEINTRESOURCEW(IDI_SHELL_FOLDER_OPEN),
                       IMAGE_ICON,
-                      GetSystemMetrics(SM_CXSMICON),
-                      GetSystemMetrics(SM_CYSMICON),
-                      0);
+                      cx,
+                      cy,
+                      LR_DEFAULTCOLOR);
     if (hico)
     {
         Image_Open = ImageList_AddIcon(himl, hico);
         DestroyIcon(hico);
     }
 
-    hico = LoadImageW(hInst,
-                      MAKEINTRESOURCEW(IDI_CLOSED_FILE),
+    hico = LoadImageW(hShell32,
+                      MAKEINTRESOURCEW(IDI_SHELL_FOLDER),
                       IMAGE_ICON,
-                      GetSystemMetrics(SM_CXSMICON),
-                      GetSystemMetrics(SM_CYSMICON),
-                      0);
+                      cx,
+                      cy,
+                      LR_DEFAULTCOLOR);
     if (hico)
     {
         Image_Closed = ImageList_AddIcon(himl, hico);
         DestroyIcon(hico);
     }
 
-    hico = LoadImageW(hInst,
-                      MAKEINTRESOURCEW(IDI_ROOT),
+    hico = LoadImageW(hShell32,
+                      MAKEINTRESOURCEW(IDI_SHELL_MY_COMPUTER),
                       IMAGE_ICON,
-                      GetSystemMetrics(SM_CXSMICON),
-                      GetSystemMetrics(SM_CYSMICON),
-                      0);
+                      cx,
+                      cy,
+                      LR_DEFAULTCOLOR);
     if (hico)
     {
         Image_Root = ImageList_AddIcon(himl, hico);