src/Utils/MiscUI/BaseDialog.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2016 - TortoiseGit
   4 // Copyright (C) 2003-2007 - Stefan Kueng
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "stdafx.h"
  21 #include "BaseDialog.h"
  22 #include "LoadIconEx.h"
  23
  24 INT_PTR CDialog::DoModal(HINSTANCE hInstance, int resID, HWND hWndParent)
  25 {
  26         hResource = hInstance;
  27         return DialogBoxParam(hInstance, MAKEINTRESOURCE(resID), hWndParent, &CDialog::stDlgFunc, (LPARAM)this);
  28 }
  29
  30 HWND CDialog::Create(HINSTANCE hInstance, int resID, HWND hWndParent)
  31 {
  32         hResource = hInstance;
  33         m_hwnd = CreateDialogParam(hInstance, MAKEINTRESOURCE(resID), hWndParent, &CDialog::stDlgFunc, (LPARAM)this);
  34         return m_hwnd;
  35 }
  36
  37 void CDialog::InitDialog(HWND hwndDlg, UINT iconID)
  38 {
  39         HWND hwndOwner;
  40         RECT rc, rcDlg, rcOwner;
  41
  42         hwndOwner = ::GetParent(hwndDlg);
  43         if (!hwndOwner)
  44                 hwndOwner = ::GetDesktopWindow();
  45
  46         GetWindowRect(hwndOwner, &rcOwner);
  47         GetWindowRect(hwndDlg, &rcDlg);
  48         CopyRect(&rc, &rcOwner);
  49
  50         OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
  51         OffsetRect(&rc, -rc.left, -rc.top);
  52         OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
  53
  54         SetWindowPos(hwndDlg, HWND_TOP, rcOwner.left + (rc.right / 2), rcOwner.top + (rc.bottom / 2), 0, 0,     SWP_NOSIZE);
  55         auto hIcon = LoadIconEx(hResource, MAKEINTRESOURCE(iconID), ::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON));
  56         ::SendMessage(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
  57         hIcon = LoadIconEx(hResource, MAKEINTRESOURCE(iconID), ::GetSystemMetrics(SM_CXSMICON), ::GetSystemMetrics(SM_CYSMICON));
  58         ::SendMessage(hwndDlg, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
  59 }
  60
  61 INT_PTR CALLBACK CDialog::stDlgFunc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
  62 {
  63         CDialog* pWnd;
  64         if (uMsg == WM_INITDIALOG)
  65         {
  66                 // get the pointer to the window from lpCreateParams
  67                 SetWindowLongPtr(hwndDlg, GWLP_USERDATA, lParam);
  68                 pWnd = reinterpret_cast<CDialog*>(lParam);
  69                 pWnd->m_hwnd = hwndDlg;
  70         }
  71         // get the pointer to the window
  72         pWnd = GetObjectFromWindow(hwndDlg);
  73
  74         // if we have the pointer, go to the message handler of the window
  75         // else, use DefWindowProc
  76         if (pWnd)
  77         {
  78                 LRESULT lRes = pWnd->DlgFunc(hwndDlg, uMsg, wParam, lParam);
  79                 SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, lRes);
  80                 return lRes;
  81         }
  82         else
  83                 return DefWindowProc(hwndDlg, uMsg, wParam, lParam);
  84 }