Notepad3/grepWinNP3/sktoolslib_mod/BaseWindow.h
2020-04-17 14:19:38 +02:00

112 lines
3.5 KiB
C++

// sktoolslib - common files for SK tools
// Copyright (C) 2012-2013, 2017-2018 - Stefan Kueng
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#pragma once
#include "ResString.h"
#include <string>
/**
* \ingroup Utils
* A base window class.
* Provides separate window message handlers for every window object based on
* this class.
*/
class CWindow
{
public:
virtual bool RegisterWindow(UINT style, HICON hIcon, HCURSOR hCursor,
HBRUSH hbrBackground, LPCTSTR lpszMenuName,
LPCTSTR lpszClassName, HICON hIconSm);
virtual bool RegisterWindow(CONST WNDCLASSEX* wcx);
/// static message handler to put in WNDCLASSEX structure
static LRESULT CALLBACK stWinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
/**
* Sets the window title.
*/
void SetWindowTitle(const std::wstring& sTitle)
{
sWindowTitle = sTitle;
};
void SetRegistryPath(const std::wstring& sPath)
{
size_t slashPos = sPath.find_last_of('\\');
sRegistryPath = sPath.substr(0, slashPos);
sRegistryValue = sPath.substr(slashPos+1);
}
/**
* Sets the transparency of the window.
* \remark note that this also sets the WS_EX_LAYERED style!
*/
void SetTransparency(BYTE alpha, COLORREF color = 0xFF000000);
virtual bool Create();
virtual bool Create(DWORD dwStyles, HWND hParent = nullptr, RECT* rect = nullptr);
virtual bool CreateEx(DWORD dwExStyles, DWORD dwStyles, HWND hParent = nullptr, RECT* rect = nullptr, LPCTSTR classname = nullptr, HMENU hMenu = nullptr);
//void MsgLoop();
bool IsWindowClosed() { return bWindowClosed; };
operator HWND() {return m_hwnd;}
operator HWND() const {return m_hwnd;}
protected:
HINSTANCE hResource;
HWND m_hwnd;
HWND m_hParent;
bool bWindowClosed;
std::wstring sClassName;
std::wstring sWindowTitle;
std::wstring sRegistryPath;
std::wstring sRegistryValue;
bool bWindowRestored;
bool bRegisterWindowCalled;
WNDPROC prevWndProc;
float m_dpiScale;
//constructor
CWindow(HINSTANCE hInst, CONST WNDCLASSEX* wcx = nullptr)
: m_hwnd(nullptr)
, hResource(nullptr)
, m_hParent(nullptr)
, bWindowClosed(FALSE)
, bWindowRestored(false)
, bRegisterWindowCalled(false)
, prevWndProc(nullptr)
, m_dpiScale(1.0)
{
hResource = hInst;
if (wcx != nullptr)
RegisterWindow(wcx);
};
// the real message handler
virtual LRESULT CALLBACK WinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) = 0;
// returns a pointer the window (stored as the WindowLong)
inline static CWindow * GetObjectFromWindow(HWND hWnd)
{
return (CWindow *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
}
};