[reactos] 01/19: [RAPPS] add a layer of window above the richedit (#2871)

[He Yang]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=eacaf65459b81610f17e9…

commit eacaf65459b81610f17e92865c429ab59866ae8e
Author:     He Yang <1160386205(a)qq.com>
AuthorDate: Fri Jun 5 23:32:08 2020 +0800
Commit:     Mark Jansen <mark.jansen(a)reactos.org>
CommitDate: Sun Sep 6 17:09:12 2020 +0200

    [RAPPS] add a layer of window above the richedit (#2871)
    
    * add one more layer of window
    * use ATL to create window
    * set pLink to NULL to avoid wild pointer
---
 base/applications/rapps/gui.cpp        | 216 ++++++++++++++++++++++++---------
 base/applications/rapps/include/misc.h |   1 +
 base/applications/rapps/misc.cpp       |  10 +-
 base/applications/rapps/winmain.cpp    |   2 +-
 4 files changed, 171 insertions(+), 58 deletions(-)

diff --git a/base/applications/rapps/gui.cpp b/base/applications/rapps/gui.cpp
index 65209073ce6..a1d1e0075c8 100644
--- a/base/applications/rapps/gui.cpp
+++ b/base/applications/rapps/gui.cpp
@@ -1,4 +1,4 @@
-/*
+/*
  * PROJECT:     ReactOS Applications Manager
  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
  * FILE:        base/applications/rapps/gui.cpp
@@ -53,7 +53,7 @@ INT GetSystemColorDepth()
     return ColorDepth;
 }
 
-class CAppRichEdit: 
+class CAppRichEdit :
     public CUiWindow<CRichEdit>
 {
 private:
@@ -257,6 +257,154 @@ public:
     }
 };
 
+class CAppInfoDisplay :
+    public CUiWindow<CWindowImpl<CAppInfoDisplay>>
+{
+    LPWSTR pLink = NULL;
+
+private:
+    BOOL ProcessWindowMessage(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam,
LRESULT& theResult, DWORD dwMapId)
+    {
+        theResult = 0;
+        switch (message)
+        {
+        case WM_CREATE:
+        {
+            RichEdit = new CAppRichEdit();
+            RichEdit->Create(hwnd);
+            break;
+        }
+        case WM_SIZE:
+        {
+            ::MoveWindow(RichEdit->m_hWnd, 0, 0, GET_X_LPARAM(lParam),
GET_Y_LPARAM(lParam), TRUE);
+            break;
+        }
+        case WM_COMMAND:
+        {
+
+            OnCommand(wParam, lParam);
+            break;
+        }
+        case WM_NOTIFY:
+        {
+            NMHDR* NotifyHeader = (NMHDR*)lParam;
+            if (NotifyHeader->hwndFrom == RichEdit->m_hWnd)
+            {
+                switch (NotifyHeader->code)
+                {
+                case EN_LINK:
+                    OnLink((ENLINK*)lParam);
+                    break;
+                }
+            }
+            break;
+        }
+        }
+
+        return FALSE;
+    }
+
+public:
+
+    CAppRichEdit * RichEdit;
+
+    static ATL::CWndClassInfo& GetWndClassInfo()
+    {
+        DWORD csStyle = CS_VREDRAW | CS_HREDRAW;
+        static ATL::CWndClassInfo wc =
+        {
+            {
+                sizeof(WNDCLASSEX),
+                csStyle,
+                StartWindowProc,
+                0,
+                0,
+                NULL,
+                NULL,
+                NULL,
+                (HBRUSH)(COLOR_BTNFACE + 1),
+                NULL,
+                L"RAppsAppInfo",
+                NULL
+            },
+            NULL, NULL, IDC_ARROW, TRUE, 0, _T("")
+        };
+        return wc;
+    }
+
+    HWND Create(HWND hwndParent)
+    {
+        RECT r = { 0,0,0,0 };
+
+        return CWindowImpl::Create(hwndParent, r, L"", WS_CHILD | WS_VISIBLE);
+    }
+
+    BOOL ShowAvailableAppInfo(CAvailableApplicationInfo* Info)
+    {
+        return RichEdit->ShowAvailableAppInfo(Info);
+    }
+
+    BOOL ShowInstalledAppInfo(PINSTALLED_INFO Info)
+    {
+        return RichEdit->ShowInstalledAppInfo(Info);
+    }
+
+    VOID SetWelcomeText()
+    {
+        RichEdit->SetWelcomeText();
+    }
+
+    VOID OnLink(ENLINK* Link)
+    {
+        switch (Link->msg)
+        {
+        case WM_LBUTTONUP:
+        case WM_RBUTTONUP:
+        {
+            if (pLink) HeapFree(GetProcessHeap(), 0, pLink);
+
+            pLink = (LPWSTR)HeapAlloc(GetProcessHeap(), 0,
+                (max(Link->chrg.cpMin, Link->chrg.cpMax) -
+                    min(Link->chrg.cpMin, Link->chrg.cpMax) + 1) * sizeof(WCHAR));
+            if (!pLink)
+            {
+                /* TODO: Error message */
+                return;
+            }
+
+            RichEdit->SendMessageW(EM_SETSEL, Link->chrg.cpMin,
Link->chrg.cpMax);
+            RichEdit->SendMessageW(EM_GETSELTEXT, 0, (LPARAM)pLink);
+
+            ShowPopupMenuEx(m_hWnd, m_hWnd, IDR_LINKMENU, -1);
+        }
+        break;
+        }
+    }
+
+    VOID OnCommand(WPARAM wParam, LPARAM lParam)
+    {
+        WORD wCommand = LOWORD(wParam);
+
+        switch (wCommand)
+        {
+        case ID_OPEN_LINK:
+            
+            ShellExecuteW(m_hWnd, L"open", pLink, NULL, NULL,
SW_SHOWNOACTIVATE);
+            HeapFree(GetProcessHeap(), 0, pLink);
+            pLink = NULL;
+            break;
+
+        case ID_COPY_LINK:
+            CopyTextToClipboard(pLink);
+            HeapFree(GetProcessHeap(), 0, pLink);
+            pLink = NULL;
+            break;
+
+        }
+    }
+
+};
+
 class CMainToolbar :
     public CUiWindow< CToolbar<> >
 {
@@ -759,13 +907,11 @@ class CMainWindow :
 
     CSideTreeView* m_TreeView;
     CUiWindow<CStatusBar>* m_StatusBar;
-    CAppRichEdit* m_RichEdit;
+    CAppInfoDisplay* m_AppInfo;
 
     CUiWindow<CSearchBar>* m_SearchBar;
     CAvailableApps m_AvailableApps;
 
-    LPWSTR pLink;
-
     INT nSelectedApps;
 
     BOOL bSearchEnabled;
@@ -777,7 +923,6 @@ class CMainWindow :
 public:
     CMainWindow() :
         m_ClientPanel(NULL),
-        pLink(NULL),
         bSearchEnabled(FALSE),
         SelectedEnumType(ENUM_ALL_INSTALLED)
     {
@@ -878,12 +1023,12 @@ private:
 
     BOOL CreateRichEdit()
     {
-        m_RichEdit = new CAppRichEdit();
-        m_RichEdit->m_VerticalAlignment = UiAlign_Stretch;
-        m_RichEdit->m_HorizontalAlignment = UiAlign_Stretch;
-        m_HSplitter->Second().Append(m_RichEdit);
+        m_AppInfo = new CAppInfoDisplay();
+        m_AppInfo->m_VerticalAlignment = UiAlign_Stretch;
+        m_AppInfo->m_HorizontalAlignment = UiAlign_Stretch;
+        m_HSplitter->Second().Append(m_AppInfo);
 
-        return m_RichEdit->Create(m_hWnd) != NULL;
+        return m_AppInfo->Create(m_hWnd) != NULL;
     }
 
     BOOL CreateVSplitter()
@@ -998,7 +1143,7 @@ private:
 
             PINSTALLED_INFO Info = (PINSTALLED_INFO) m_ListView->GetItemData(Index);
 
-            m_RichEdit->ShowInstalledAppInfo(Info);
+            m_AppInfo->ShowInstalledAppInfo(Info);
         }
         else if (IsAvailableEnum(SelectedEnumType))
         {
@@ -1007,7 +1152,7 @@ private:
 
             CAvailableApplicationInfo* Info = (CAvailableApplicationInfo*)
m_ListView->GetItemData(Index);
 
-            m_RichEdit->ShowAvailableAppInfo(Info);
+            m_AppInfo->ShowAvailableAppInfo(Info);
         }
     }
 
@@ -1372,9 +1517,7 @@ private:
             }
             break;
 
-            case EN_LINK:
-                OnLink((ENLINK*) lParam);
-                break;
+            
 
             case TTN_GETDISPINFO:
                 m_Toolbar->OnGetDispInfo((LPTOOLTIPTEXT) lParam);
@@ -1423,33 +1566,6 @@ private:
         return FALSE;
     }
 
-    virtual VOID OnLink(ENLINK *Link)
-    {
-        switch (Link->msg)
-        {
-        case WM_LBUTTONUP:
-        case WM_RBUTTONUP:
-        {
-            if (pLink) HeapFree(GetProcessHeap(), 0, pLink);
-
-            pLink = (LPWSTR) HeapAlloc(GetProcessHeap(), 0,
-                (max(Link->chrg.cpMin, Link->chrg.cpMax) -
-                 min(Link->chrg.cpMin, Link->chrg.cpMax) + 1) * sizeof(WCHAR));
-            if (!pLink)
-            {
-                /* TODO: Error message */
-                return;
-            }
-
-            m_RichEdit->SendMessageW(EM_SETSEL, Link->chrg.cpMin,
Link->chrg.cpMax);
-            m_RichEdit->SendMessageW(EM_GETSELTEXT, 0, (LPARAM) pLink);
-
-            ShowPopupMenu(m_RichEdit->m_hWnd, IDR_LINKMENU, -1);
-        }
-        break;
-        }
-    }
-
     BOOL IsSelectedNodeInstalled()
     {
         HTREEITEM hSelectedItem = m_TreeView->GetSelection();
@@ -1551,16 +1667,6 @@ private:
 
         switch (wCommand)
         {
-        case ID_OPEN_LINK:
-            ShellExecuteW(m_hWnd, L"open", pLink, NULL, NULL,
SW_SHOWNOACTIVATE);
-            HeapFree(GetProcessHeap(), 0, pLink);
-            break;
-
-        case ID_COPY_LINK:
-            CopyTextToClipboard(pLink);
-            HeapFree(GetProcessHeap(), 0, pLink);
-            break;
-
         case ID_SETTINGS:
             CreateSettingsDlg(m_hWnd);
             break;
@@ -1810,7 +1916,7 @@ private:
 
         SelectedEnumType = EnumType;
         UpdateStatusBarText();
-        m_RichEdit->SetWelcomeText();
+        m_AppInfo->SetWelcomeText();
 
         // Set automatic column width for program names if the list is not empty
         if (m_ListView->GetItemCount() > 0)
@@ -1866,7 +1972,7 @@ public:
 
     void HandleTabOrder(int direction)
     {
-        HWND Controls[] = { m_Toolbar->m_hWnd, m_SearchBar->m_hWnd,
m_TreeView->m_hWnd, m_ListView->m_hWnd, m_RichEdit->m_hWnd };
+        HWND Controls[] = { m_Toolbar->m_hWnd, m_SearchBar->m_hWnd,
m_TreeView->m_hWnd, m_ListView->m_hWnd, m_AppInfo->m_hWnd };
         // When there is no control found, go to the first or last (depending on tab vs
shift-tab)
         int current = direction > 0 ? 0 : (_countof(Controls) - 1);
         HWND hActive = ::GetFocus();
diff --git a/base/applications/rapps/include/misc.h
b/base/applications/rapps/include/misc.h
index 143d9769b72..fd914c4c468 100644
--- a/base/applications/rapps/include/misc.h
+++ b/base/applications/rapps/include/misc.h
@@ -10,6 +10,7 @@ INT GetClientWindowHeight(HWND hwnd);
 
 VOID CopyTextToClipboard(LPCWSTR lpszText);
 VOID SetWelcomeText();
+VOID ShowPopupMenuEx(HWND hwnd, HWND hwndOwner, UINT MenuID, UINT DefaultItem);
 VOID ShowPopupMenu(HWND hwnd, UINT MenuID, UINT DefaultItem);
 BOOL StartProcess(ATL::CStringW &Path, BOOL Wait);
 BOOL StartProcess(LPWSTR lpPath, BOOL Wait);
diff --git a/base/applications/rapps/misc.cpp b/base/applications/rapps/misc.cpp
index f76c3849b50..d0f13cac232 100644
--- a/base/applications/rapps/misc.cpp
+++ b/base/applications/rapps/misc.cpp
@@ -71,7 +71,7 @@ VOID CopyTextToClipboard(LPCWSTR lpszText)
     CloseClipboard();
 }
 
-VOID ShowPopupMenu(HWND hwnd, UINT MenuID, UINT DefaultItem)
+VOID ShowPopupMenuEx(HWND hwnd, HWND hwndOwner, UINT MenuID, UINT DefaultItem)
 {
     HMENU hMenu = NULL;
     HMENU hPopupMenu;
@@ -102,7 +102,7 @@ VOID ShowPopupMenu(HWND hwnd, UINT MenuID, UINT DefaultItem)
     GetCursorPos(&pt);
 
     SetForegroundWindow(hwnd);
-    TrackPopupMenu(hPopupMenu, 0, pt.x, pt.y, 0, hMainWnd, NULL);
+    TrackPopupMenu(hPopupMenu, 0, pt.x, pt.y, 0, hwndOwner, NULL);
 
     if (hMenu)
     {
@@ -110,6 +110,12 @@ VOID ShowPopupMenu(HWND hwnd, UINT MenuID, UINT DefaultItem)
     }
 }
 
+VOID ShowPopupMenu(HWND hwnd, UINT MenuID, UINT DefaultItem)
+{
+    ShowPopupMenuEx(hwnd, hMainWnd, MenuID, DefaultItem);
+}
+
+
 BOOL StartProcess(ATL::CStringW &Path, BOOL Wait)
 {
     return StartProcess(const_cast<LPWSTR>(Path.GetString()), Wait);;
diff --git a/base/applications/rapps/winmain.cpp b/base/applications/rapps/winmain.cpp
index 1c351e864f8..d55edca46fa 100644
--- a/base/applications/rapps/winmain.cpp
+++ b/base/applications/rapps/winmain.cpp
@@ -65,7 +65,7 @@ VOID FillDefaultSettings(PSETTINGS_INFO pSettingsInfo)
 
     PathAppendW(szDownloadDir.GetBuffer(MAX_PATH), L"\\RAPPS Downloads");
     szDownloadDir.ReleaseBuffer();
-	
+
     ATL::CStringW::CopyChars(pSettingsInfo->szDownloadDir,
                              _countof(pSettingsInfo->szDownloadDir),
                              szDownloadDir.GetString(),