reactos/base/shell/explorer/utility/window.cpp

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/*
* Copyright 2003, 2004, 2005 Martin Fuchs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Explorer clone
//
// window.cpp
//
// Martin Fuchs, 23.07.2003
//
#include <precomp.h>
#include "../resource.h" // for ID_GO_BACK, ...
WindowClass::WindowClass(LPCTSTR classname, UINT style_, WNDPROC wndproc)
{
memset(this, 0, sizeof(WNDCLASSEX));
cbSize = sizeof(WNDCLASSEX);
style = style_;
hInstance = g_Globals._hInstance;
hCursor = LoadCursor(0, IDC_ARROW);
lpszClassName = classname;
lpfnWndProc = wndproc;
_atomClass = 0;
}
IconWindowClass::IconWindowClass(LPCTSTR classname, UINT nid, UINT style, WNDPROC wndproc)
: WindowClass(classname, style, wndproc)
{
hIcon = ResIcon(nid);
hIconSm = SmallIcon(nid);
}
Window::WindowMap Window::s_wnd_map;
Window::CREATORFUNC Window::s_window_creator = NULL;
const void* Window::s_new_info = NULL;
HHOOK Window::s_hcbtHook = 0;
Window::StaticWindowData& Window::GetStaticWindowData()
{
static StaticWindowData s_initialized_data;
return s_initialized_data;
}
Window::Window(HWND hwnd)
: WindowHandle(hwnd)
{
Lock lock(GetStaticWindowData()._map_crit_sect); // protect access to s_wnd_map
s_wnd_map[_hwnd] = this;
}
Window::~Window()
{
Lock lock(GetStaticWindowData()._map_crit_sect); // protect access to s_wnd_map
s_wnd_map.erase(_hwnd);
}
HWND Window::Create(CREATORFUNC creator, DWORD dwExStyle,
LPCTSTR lpClassName, LPCTSTR lpWindowName,
DWORD dwStyle, int x, int y, int w, int h,
HWND hwndParent, HMENU hMenu/*, LPVOID lpParam*/)
{
Lock lock(GetStaticWindowData()._create_crit_sect); // protect access to s_window_creator and s_new_info
s_window_creator = creator;
s_new_info = NULL;
return CreateWindowEx(dwExStyle, lpClassName, lpWindowName, dwStyle,
x, y, w, h,
hwndParent, hMenu, g_Globals._hInstance, 0/*lpParam*/);
}
HWND Window::Create(CREATORFUNC_INFO creator, const void* info, DWORD dwExStyle,
LPCTSTR lpClassName, LPCTSTR lpWindowName,
DWORD dwStyle, int x, int y, int w, int h,
HWND hwndParent, HMENU hMenu/*, LPVOID lpParam*/)
{
Lock lock(GetStaticWindowData()._create_crit_sect); // protect access to s_window_creator and s_new_info
s_window_creator = (CREATORFUNC) creator;
s_new_info = info;
return CreateWindowEx(dwExStyle, lpClassName, lpWindowName, dwStyle,
x, y, w, h,
hwndParent, hMenu, g_Globals._hInstance, 0/*lpParam*/);
}
Window* Window::create_mdi_child(const ChildWndInfo& info, const MDICREATESTRUCT& mcs, CREATORFUNC_INFO creator)
{
Lock lock(GetStaticWindowData()._create_crit_sect); // protect access to s_window_creator and s_new_info
s_window_creator = (CREATORFUNC) creator;
s_new_info = &info;
s_hcbtHook = SetWindowsHookEx(WH_CBT, MDICBTHookProc, 0, GetCurrentThreadId());
HWND hwnd = (HWND) SendMessage(info._hmdiclient, WM_MDICREATE, 0, (LPARAM)&mcs);
// end hook in case it's not already done
if (s_hcbtHook)
UnhookWindowsHookEx(s_hcbtHook);
Window* child = get_window(hwnd);
s_new_info = NULL;
if (child && (!hwnd || !child->_hwnd))
child = NULL;
return child;
}
LRESULT CALLBACK Window::MDICBTHookProc(int code, WPARAM wparam, LPARAM lparam)
{
if (code == HCBT_CREATEWND) {
UnhookWindowsHookEx(s_hcbtHook); // use the hook only for the first created window
s_hcbtHook = 0;
HWND hwnd = (HWND)wparam;
// create Window controller and associate it with the window handle
Window* child = get_window(hwnd);
if (!child)
child = create_controller(hwnd);
}
return CallNextHookEx(s_hcbtHook, code, wparam, lparam);
}
/*
Window* Window::create_property_sheet(PropertySheetDialog* ppsd, CREATORFUNC creator, const void* info)
{
Lock lock(GetStaticWindowData()._create_crit_sect); // protect access to s_window_creator and s_new_info
s_window_creator = creator;
s_new_info = info;
s_hcbtHook = SetWindowsHookEx(WH_CBT, PropSheetCBTHookProc, 0, GetCurrentThreadId());
HWND hwnd = (HWND) PropertySheet(ppsd);
UnhookWindowsHookEx(s_hcbtHook);
Window* child = get_window(hwnd);
s_new_info = NULL;
if (child && (!hwnd || !child->_hwnd))
child = NULL;
return child;
}
*/
LRESULT CALLBACK Window::PropSheetCBTHookProc(int code, WPARAM wparam, LPARAM lparam)
{
if (code == HCBT_CREATEWND) {
HWND hwnd = (HWND)wparam;
// create Window controller and associate it with the window handle
Window* child = get_window(hwnd);
if (!child)
child = create_controller(hwnd);
}
return CallNextHookEx(s_hcbtHook, code, wparam, lparam);
}
/// get window controller from window handle
Window* Window::get_window(HWND hwnd)
{
{
Lock lock(GetStaticWindowData()._map_crit_sect); // protect access to s_wnd_map
WindowMap::const_iterator found = s_wnd_map.find(hwnd);
if (found!=s_wnd_map.end())
return found->second;
}
return NULL;
}
/// create controller for a new window
Window* Window::create_controller(HWND hwnd)
{
if (s_window_creator) { // protect for recursion and create the window object only for the first window
Lock lock(GetStaticWindowData()._create_crit_sect); // protect access to s_window_creator and s_new_info
const void* info = s_new_info;
s_new_info = NULL;
CREATORFUNC window_creator = s_window_creator;
s_window_creator = NULL;
if (info)
return CREATORFUNC_INFO(window_creator)(hwnd, info);
else
return CREATORFUNC(window_creator)(hwnd);
}
return NULL;
}
LRESULT Window::Init(LPCREATESTRUCT pcs)
{
return 0;
}
LRESULT CALLBACK Window::WindowWndProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
Window* pThis = get_window(hwnd);
if (!pThis)
pThis = create_controller(hwnd);
if (pThis) {
switch(nmsg) {
case WM_COMMAND:
return pThis->Command(LOWORD(wparam), HIWORD(wparam));
case WM_NOTIFY:
return pThis->Notify(wparam, (NMHDR*)lparam);
case WM_NOTIFYFORMAT:
return NFR_CURRENT;
case WM_CREATE:
return pThis->Init((LPCREATESTRUCT)lparam);
case WM_NCDESTROY:
delete pThis;
return 0;
default:
return pThis->WndProc(nmsg, wparam, lparam);
}
}
else
return DefWindowProc(hwnd, nmsg, wparam, lparam);
}
LRESULT Window::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
return DefWindowProc(_hwnd, nmsg, wparam, lparam);
}
int Window::Command(int id, int code)
{
return 1; // no command handler found
}
int Window::Notify(int id, NMHDR* pnmh)
{
return 0;
}
void Window::CancelModes()
{
PostMessage(HWND_BROADCAST, WM_CANCELMODE, 0, 0);
}
SubclassedWindow::SubclassedWindow(HWND hwnd)
: super(hwnd)
{
_orgWndProc = SubclassWindow(_hwnd, SubclassedWndProc);
if (!_orgWndProc)
delete this;
}
LRESULT CALLBACK SubclassedWindow::SubclassedWndProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
SubclassedWindow* pThis = GET_WINDOW(SubclassedWindow, hwnd);
assert(pThis);
if (pThis) {
switch(nmsg) {
case WM_COMMAND:
if (!pThis->Command(LOWORD(wparam), HIWORD(wparam)))
return 0;
break;
case WM_NOTIFY:
return pThis->Notify(wparam, (NMHDR*)lparam);
case WM_NOTIFYFORMAT:
return NFR_CURRENT;
case WM_CREATE:
return pThis->Init((LPCREATESTRUCT)lparam);
case WM_NCDESTROY:
delete pThis;
return 0;
default:
return pThis->WndProc(nmsg, wparam, lparam);
}
}
return CallWindowProc(pThis->_orgWndProc, hwnd, nmsg, wparam, lparam);
}
LRESULT SubclassedWindow::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
return CallWindowProc(_orgWndProc, _hwnd, nmsg, wparam, lparam);
}
int SubclassedWindow::Command(int id, int code)
{
return 1; // no command handler found
}
int SubclassedWindow::Notify(int id, NMHDR* pnmh)
{
return CallWindowProc(_orgWndProc, _hwnd, WM_NOTIFY, id, (LPARAM)pnmh);
}
ChildWindow::ChildWindow(HWND hwnd, const ChildWndInfo& info)
: super(hwnd),
_hwndFrame(GetParent(info._hmdiclient))
{
_focus_pane = 0;
_split_pos = DEFAULT_SPLIT_POS;
_last_split = DEFAULT_SPLIT_POS;
}
ChildWindow* ChildWindow::create(const ChildWndInfo& info, const RECT& rect, CREATORFUNC_INFO creator,
LPCTSTR classname, LPCTSTR title, DWORD style)
{
MDICREATESTRUCT mcs;
mcs.szClass = classname;
mcs.szTitle = title;
mcs.hOwner = g_Globals._hInstance;
mcs.x = rect.left,
mcs.y = rect.top;
mcs.cx = rect.right - rect.left;
mcs.cy = rect.bottom - rect.top;
mcs.style = style;
mcs.lParam = 0;
return static_cast<ChildWindow*>(create_mdi_child(info, mcs, creator));
}
LRESULT ChildWindow::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
switch(nmsg) {
case WM_PAINT: {
RECT rc;
PaintCanvas canvas(_hwnd);
ClientRect rt(_hwnd);
rt.left = _split_pos-SPLIT_WIDTH/2;
rt.right = _split_pos+SPLIT_WIDTH/2+1;
HBRUSH lastBrush = SelectBrush(canvas, GetStockBrush(COLOR_SPLITBAR));
Rectangle(canvas, rt.left, rt.top-1, rt.right, rt.bottom+1);
SetRect(&rc, rt.left, rt.top-1, rt.right, rt.bottom+1);
DrawEdge(canvas, &rc, EDGE_RAISED, BF_RECT);
SelectObject(canvas, lastBrush);
break;}
case WM_SETCURSOR:
if (LOWORD(lparam) == HTCLIENT) {
POINT pt;
GetCursorPos(&pt);
ScreenToClient(_hwnd, &pt);
if (pt.x>=_split_pos-SPLIT_WIDTH/2 && pt.x<_split_pos+SPLIT_WIDTH/2+1) {
SetCursor(LoadCursor(0, IDC_SIZEWE));
return TRUE;
}
}
goto def;
case WM_SIZE:
if (wparam != SIZE_MINIMIZED)
resize_children(LOWORD(lparam), HIWORD(lparam));
goto def;
case WM_GETMINMAXINFO:
DefMDIChildProc(_hwnd, nmsg, wparam, lparam);
{LPMINMAXINFO lpmmi = (LPMINMAXINFO)lparam;
lpmmi->ptMaxTrackSize.x <<= 1; // 2*GetSystemMetrics(SM_CXSCREEN) / SM_CXVIRTUALSCREEN
lpmmi->ptMaxTrackSize.y <<= 1; // 2*GetSystemMetrics(SM_CYSCREEN) / SM_CYVIRTUALSCREEN
break;}
case WM_LBUTTONDOWN: {
int x = GET_X_LPARAM(lparam);
ClientRect rt(_hwnd);
if (x>=_split_pos-SPLIT_WIDTH/2 && x<_split_pos+SPLIT_WIDTH/2+1) {
_last_split = _split_pos;
SetCapture(_hwnd);
}
break;}
case WM_LBUTTONUP:
if (GetCapture() == _hwnd)
ReleaseCapture();
break;
case WM_KEYDOWN:
if (wparam == VK_ESCAPE)
if (GetCapture() == _hwnd) {
_split_pos = _last_split;
ClientRect rt(_hwnd);
resize_children(rt.right, rt.bottom);
_last_split = -1;
ReleaseCapture();
SetCursor(LoadCursor(0, IDC_ARROW));
}
break;
case WM_MOUSEMOVE:
if (GetCapture() == _hwnd) {
int x = GET_X_LPARAM(lparam);
ClientRect rt(_hwnd);
if (x>=0 && x<rt.right) {
_split_pos = x;
resize_children(rt.right, rt.bottom);
rt.left = x-SPLIT_WIDTH/2;
rt.right = x+SPLIT_WIDTH/2+1;
InvalidateRect(_hwnd, &rt, FALSE);
UpdateWindow(_left_hwnd);
UpdateWindow(_hwnd);
UpdateWindow(_right_hwnd);
}
}
break;
case PM_DISPATCH_COMMAND:
switch(LOWORD(wparam)) {
case ID_GO_BACK:
if (!_url_history.empty()) {
const String& url = jump_to_int(_url_history.top());
if (jump_to_int(url))
set_url(url);
_url_history.pop();
}
break;
case ID_GO_FORWARD:
//@@
break;
case ID_GO_UP:
///@todo
break;
case ID_GO_HOME:
//@@
break;
default:
return FALSE;
}
return TRUE;
case WM_MDIACTIVATE:
if ((HWND)lparam == _hwnd) {
SendMessage(_hwndFrame, PM_SETSTATUSTEXT, 0, (LPARAM)_statusText.c_str());
SendMessage(_hwndFrame, PM_URL_CHANGED, 0, (LPARAM)_url.c_str());
}
break;
case PM_JUMP_TO_URL:
return go_to((LPCTSTR)lparam)? TRUE: FALSE;
default: def:
return DefMDIChildProc(_hwnd, nmsg, wparam, lparam);
}
return 0;
}
void ChildWindow::resize_children(int cx, int cy)
{
HDWP hdwp = BeginDeferWindowPos(2);
RECT rt;
rt.left = 0;
rt.top = 0;
rt.right = cx;
rt.bottom = cy;
if (_left_hwnd) {
cx = _split_pos + SPLIT_WIDTH/2;
hdwp = DeferWindowPos(hdwp, _left_hwnd, 0, rt.left, rt.top, _split_pos-SPLIT_WIDTH/2-rt.left, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
} else {
_split_pos = 0;
cx = 0;
}
if (_right_hwnd)
hdwp = DeferWindowPos(hdwp, _right_hwnd, 0, rt.left+cx+1, rt.top, rt.right-cx, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
EndDeferWindowPos(hdwp);
}
bool ChildWindow::go_to(LPCTSTR url)
{
const String& url_str = jump_to_int(url);
if (!url_str.empty()) {
set_url(url_str);
_url_history.push(url_str);
return true;
} else
return false;
}
void ChildWindow::set_url(LPCTSTR url)
{
if (_url != url) {
_url = url;
SendMessage(_hwndFrame, PM_URL_CHANGED, 0, (LPARAM)url);
}
}
WindowSet Window::s_pretranslate_windows;
void Window::register_pretranslate(HWND hwnd)
{
s_pretranslate_windows.insert(hwnd);
}
void Window::unregister_pretranslate(HWND hwnd)
{
s_pretranslate_windows.erase(hwnd);
}
BOOL Window::pretranslate_msg(LPMSG pmsg)
{
for(WindowSet::const_iterator it=Window::s_pretranslate_windows.begin(); it!=s_pretranslate_windows.end(); ++it)
if (SendMessage(*it, PM_TRANSLATE_MSG, 0, (LPARAM)pmsg))
return TRUE;
return FALSE;
}
WindowSet Window::s_dialogs;
void Window::register_dialog(HWND hwnd)
{
s_dialogs.insert(hwnd);
}
void Window::unregister_dialog(HWND hwnd)
{
s_dialogs.erase(hwnd);
}
BOOL Window::dispatch_dialog_msg(MSG* pmsg)
{
for(WindowSet::const_iterator it=Window::s_dialogs.begin(); it!=s_dialogs.end(); ++it)
if (IsDialogMessage(*it, pmsg))
return TRUE;
return FALSE;
}
int Window::MessageLoop()
{
MSG msg;
while(GetMessage(&msg, 0, 0, 0)) {
try {
if (pretranslate_msg(&msg))
continue;
if (dispatch_dialog_msg(&msg))
continue;
TranslateMessage(&msg);
try {
DispatchMessage(&msg);
} catch(COMException& e) {
HandleException(e, 0);
}
} catch(COMException& e) {
HandleException(e, 0);
}
}
return msg.wParam;
}
LRESULT Window::SendParent(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
HWND parent = GetParent(_hwnd);
if (!parent)
return 0;
return SendMessage(parent, nmsg, wparam, lparam);
}
LRESULT Window::PostParent(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
HWND parent = GetParent(_hwnd);
if (!parent)
return 0;
return PostMessage(parent, nmsg, wparam, lparam);
}
PreTranslateWindow::PreTranslateWindow(HWND hwnd)
: super(hwnd)
{
register_pretranslate(hwnd);
}
PreTranslateWindow::~PreTranslateWindow()
{
unregister_pretranslate(_hwnd);
}
Dialog::Dialog(HWND hwnd)
: super(hwnd)
{
register_dialog(hwnd);
}
Dialog::~Dialog()
{
unregister_dialog(_hwnd);
}
int Dialog::DoModal(UINT nid, CREATORFUNC creator, HWND hwndParent)
{
Lock lock(GetStaticWindowData()._create_crit_sect); // protect access to s_window_creator and s_new_info
s_window_creator = creator;
s_new_info = NULL;
///@todo call Window::pretranslate_msg()
return DialogBoxParam(g_Globals._hInstance, MAKEINTRESOURCE(nid), hwndParent, DialogProc, 0/*lpParam*/);
}
int Dialog::DoModal(UINT nid, CREATORFUNC_INFO creator, const void* info, HWND hwndParent)
{
Lock lock(GetStaticWindowData()._create_crit_sect); // protect access to s_window_creator and s_new_info
s_window_creator = (CREATORFUNC) creator;
s_new_info = NULL;
///@todo call Window::pretranslate_msg()
return DialogBoxParam(g_Globals._hInstance, MAKEINTRESOURCE(nid), hwndParent, DialogProc, 0/*lpParam*/);
}
INT_PTR CALLBACK Window::DialogProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
Window* pThis = get_window(hwnd);
if (pThis) {
switch(nmsg) {
case WM_COMMAND:
pThis->Command(LOWORD(wparam), HIWORD(wparam));
return TRUE; // message has been processed
case WM_NOTIFY:
pThis->Notify(wparam, (NMHDR*)lparam);
return TRUE; // message has been processed
case WM_NOTIFYFORMAT:
SetWindowLongPtr(hwnd, DWLP_MSGRESULT, NFR_CURRENT); // set return value NFR_CURRENT
return TRUE; // message has been processed
case WM_NCDESTROY:
delete pThis;
return TRUE; // message has been processed
default:
return pThis->WndProc(nmsg, wparam, lparam);
}
} else if (nmsg == WM_INITDIALOG) {
pThis = create_controller(hwnd);
if (pThis)
return pThis->Init(NULL);
}
return FALSE; // message has not been processed
}
LRESULT Dialog::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
return FALSE; // message has not been processed
}
int Dialog::Command(int id, int code)
{
if (code == BN_CLICKED) {
EndDialog(_hwnd, id);
return 0; // message has been processed
}
return 1;
}
ResizeManager::ResizeManager(HWND hwnd)
: _hwnd(hwnd)
{
ClientRect clnt(hwnd);
_last_size.cx = clnt.right;
_last_size.cy = clnt.bottom;
WindowRect rect(hwnd);
_min_wnd_size.cx = rect.right - rect.left;
_min_wnd_size.cy = rect.bottom - rect.top;
}
void ResizeManager::HandleSize(int cx, int cy)
{
ClientRect clnt_rect(_hwnd);
SIZE new_size = {cx, cy};
int dx = new_size.cx - _last_size.cx;
int dy = new_size.cy - _last_size.cy;
if (!dx && !dy)
return;
_last_size = new_size;
HDWP hDWP = BeginDeferWindowPos(size());
for(ResizeManager::const_iterator it=begin(); it!=end(); ++it) {
const ResizeEntry& e = *it;
RECT move = {0};
if (e._flags & MOVE_LEFT)
move.left += dx;
if (e._flags & MOVE_RIGHT)
move.right += dx;
if (e._flags & MOVE_TOP)
move.top += dy;
if (e._flags & MOVE_BOTTOM)
move.bottom += dy;
UINT flags = 0;
if (!move.left && !move.top)
flags = SWP_NOMOVE;
if (move.right==move.left && move.bottom==move.top)
flags |= SWP_NOSIZE;
if (flags != (SWP_NOMOVE|SWP_NOSIZE)) {
HWND hwnd = GetDlgItem(_hwnd, e._id);
if (hwnd) {
WindowRect rect(hwnd);
ScreenToClient(_hwnd, rect);
rect.left += move.left;
rect.right += move.right;
rect.top += move.top;
rect.bottom += move.bottom;
hDWP = DeferWindowPos(hDWP, hwnd, 0, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top, flags|SWP_NOACTIVATE|SWP_NOZORDER);
}
}
}
EndDeferWindowPos(hDWP);
}
void ResizeManager::Resize(int dx, int dy)
{
::SetWindowPos(_hwnd, 0, 0, 0, _min_wnd_size.cx+dx, _min_wnd_size.cy+dy, SWP_NOMOVE|SWP_NOACTIVATE);
MoveVisible(_hwnd);
ClientRect clnt_rect(_hwnd);
HandleSize(clnt_rect.right, clnt_rect.bottom);
}
Button::Button(HWND parent, LPCTSTR title, int left, int top, int width, int height,
int id, DWORD flags, DWORD exStyle)
: WindowHandle(CreateWindowEx(exStyle, TEXT("BUTTON"), title, flags, left, top, width, height,
parent, (HMENU)id, g_Globals._hInstance, 0))
{
}
LRESULT OwnerdrawnButton::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
if (nmsg == PM_DISPATCH_DRAWITEM) {
DrawItem((LPDRAWITEMSTRUCT)lparam);
return TRUE;
} else
return super::WndProc(nmsg, wparam, lparam);
}
Static::Static(HWND parent, LPCTSTR title, int left, int top, int width, int height,
int id, DWORD flags, DWORD exStyle)
: WindowHandle(CreateWindowEx(exStyle, TEXT("STATIC"), title, flags, left, top, width, height,
parent, (HMENU)id, g_Globals._hInstance, 0))
{
}
static RECT s_MyDrawText_Rect = {0, 0, 0, 0};
static BOOL CALLBACK MyDrawText(HDC hdc, LPARAM data, int cnt)
{
::DrawText(hdc, (LPCTSTR)data, cnt, &s_MyDrawText_Rect, DT_SINGLELINE);
return TRUE;
}
void DrawGrayText(HDC hdc, LPRECT pRect, LPCTSTR title, int dt_flags)
{
COLORREF gray = GetSysColor(COLOR_GRAYTEXT);
if (gray) {
TextColor lcColor(hdc, GetSysColor(COLOR_BTNHIGHLIGHT));
RECT shadowRect = {pRect->left+1, pRect->top+1, pRect->right+1, pRect->bottom+1};
DrawText(hdc, title, -1, &shadowRect, dt_flags);
SetTextColor(hdc, gray);
DrawText(hdc, title, -1, pRect, dt_flags);
} else {
int old_r = pRect->right;
int old_b = pRect->bottom;
DrawText(hdc, title, -1, pRect, dt_flags|DT_CALCRECT);
int x = pRect->left + (old_r-pRect->right)/2;
int y = pRect->top + (old_b-pRect->bottom)/2;
int w = pRect->right-pRect->left;
int h = pRect->bottom-pRect->top;
s_MyDrawText_Rect.right = w;
s_MyDrawText_Rect.bottom = h;
GrayString(hdc, GetSysColorBrush(COLOR_GRAYTEXT), MyDrawText, (LPARAM)title, -1, x, y, w, h);
}
}
/* not yet used
void ColorButton::DrawItem(LPDRAWITEMSTRUCT dis)
{
UINT state = DFCS_BUTTONPUSH;
if (dis->itemState & ODS_DISABLED)
state |= DFCS_INACTIVE;
RECT textRect = {dis->rcItem.left+2, dis->rcItem.top+2, dis->rcItem.right-4, dis->rcItem.bottom-4};
if (dis->itemState & ODS_SELECTED) {
state |= DFCS_PUSHED;
++textRect.left; ++textRect.top;
++textRect.right; ++textRect.bottom;
}
DrawFrameControl(dis->hDC, &dis->rcItem, DFC_BUTTON, state);
TCHAR title[BUFFER_LEN];
GetWindowText(_hwnd, title, BUFFER_LEN);
BkMode bk_mode(dis->hDC, TRANSPARENT);
if (dis->itemState & (ODS_DISABLED|ODS_GRAYED))
DrawGrayText(dis, &textRect, title, DT_SINGLELINE|DT_VCENTER|DT_CENTER);
else {
TextColor lcColor(dis->hDC, _textColor);
DrawText(dis->hDC, title, -1, &textRect, DT_SINGLELINE|DT_VCENTER|DT_CENTER);
}
if (dis->itemState & ODS_FOCUS) {
RECT rect = {
dis->rcItem.left+3, dis->rcItem.top+3,
dis->rcItem.right-dis->rcItem.left-4, dis->rcItem.bottom-dis->rcItem.top-4
};
if (dis->itemState & ODS_SELECTED) {
++rect.left; ++rect.top;
++rect.right; ++rect.bottom;
}
DrawFocusRect(dis->hDC, &rect);
}
}
*/
void PictureButton::DrawItem(LPDRAWITEMSTRUCT dis)
{
UINT state = DFCS_BUTTONPUSH;
int style = GetWindowStyle(_hwnd);
if (dis->itemState & ODS_DISABLED)
state |= DFCS_INACTIVE;
POINT imagePos;
RECT textRect;
int dt_flags;
if (style & BS_BOTTOM) {
// align horizontal centered, vertical floating
imagePos.x = (dis->rcItem.left + dis->rcItem.right - _cx) / 2;
imagePos.y = dis->rcItem.top + 3;
textRect.left = dis->rcItem.left + 2;
textRect.top = dis->rcItem.top + _cy + 4;
textRect.right = dis->rcItem.right - 4;
textRect.bottom = dis->rcItem.bottom - 4;
dt_flags = DT_SINGLELINE|DT_CENTER|DT_VCENTER;
} else {
// horizontal floating, vertical centered
imagePos.x = dis->rcItem.left + 3;
imagePos.y = (dis->rcItem.top + dis->rcItem.bottom - _cy)/2;
textRect.left = dis->rcItem.left + _cx + 4;
textRect.top = dis->rcItem.top + 2;
textRect.right = dis->rcItem.right - 4;
textRect.bottom = dis->rcItem.bottom - 4;
dt_flags = DT_SINGLELINE|DT_VCENTER/*|DT_CENTER*/;
}
if (dis->itemState & ODS_SELECTED) {
state |= DFCS_PUSHED;
++imagePos.x; ++imagePos.y;
++textRect.left; ++textRect.top;
++textRect.right; ++textRect.bottom;
}
if (_flat) {
FillRect(dis->hDC, &dis->rcItem, _hBrush);
if (style & BS_FLAT) // Only with BS_FLAT set, there will be drawn a frame without highlight.
DrawEdge(dis->hDC, &dis->rcItem, EDGE_RAISED, BF_RECT|BF_FLAT);
} else
DrawFrameControl(dis->hDC, &dis->rcItem, DFC_BUTTON, state);
if (_hIcon)
DrawIconEx(dis->hDC, imagePos.x, imagePos.y, _hIcon, _cx, _cy, 0, _hBrush, DI_NORMAL);
else {
MemCanvas mem_dc;
BitmapSelection sel(mem_dc, _hBmp);
BitBlt(dis->hDC, imagePos.x, imagePos.y, _cx, _cy, mem_dc, 0, 0, SRCCOPY);
}
TCHAR title[BUFFER_LEN];
GetWindowText(_hwnd, title, BUFFER_LEN);
BkMode bk_mode(dis->hDC, TRANSPARENT);
if (dis->itemState & (ODS_DISABLED|ODS_GRAYED))
DrawGrayText(dis->hDC, &textRect, title, dt_flags);
else {
TextColor lcColor(dis->hDC, GetSysColor(COLOR_BTNTEXT));
DrawText(dis->hDC, title, -1, &textRect, dt_flags);
}
if (dis->itemState & ODS_FOCUS) {
RECT rect = {
dis->rcItem.left+3, dis->rcItem.top+3,
dis->rcItem.right-dis->rcItem.left-4, dis->rcItem.bottom-dis->rcItem.top-4
};
if (dis->itemState & ODS_SELECTED) {
++rect.left; ++rect.top;
++rect.right; ++rect.bottom;
}
DrawFocusRect(dis->hDC, &rect);
}
}
void FlatButton::DrawItem(LPDRAWITEMSTRUCT dis)
{
UINT style = DFCS_BUTTONPUSH;
if (dis->itemState & ODS_DISABLED)
style |= DFCS_INACTIVE;
RECT textRect = {dis->rcItem.left+2, dis->rcItem.top+2, dis->rcItem.right-4, dis->rcItem.bottom-4};
if (dis->itemState & ODS_SELECTED) {
style |= DFCS_PUSHED;
++textRect.left; ++textRect.top;
++textRect.right; ++textRect.bottom;
}
FillRect(dis->hDC, &dis->rcItem, GetSysColorBrush(COLOR_BTNFACE));
// highlight the button?
if (_active)
DrawEdge(dis->hDC, &dis->rcItem, EDGE_ETCHED, BF_RECT);
else if (GetWindowStyle(_hwnd) & BS_FLAT) // Only with BS_FLAT there will be drawn a frame to show highlighting.
DrawEdge(dis->hDC, &dis->rcItem, EDGE_RAISED, BF_RECT|BF_FLAT);
TCHAR txt[BUFFER_LEN];
int txt_len = GetWindowText(_hwnd, txt, BUFFER_LEN);
if (dis->itemState & (ODS_DISABLED|ODS_GRAYED)) {
COLORREF gray = GetSysColor(COLOR_GRAYTEXT);
if (gray) {
{
TextColor lcColor(dis->hDC, GetSysColor(COLOR_BTNHIGHLIGHT));
RECT shadowRect = {textRect.left+1, textRect.top+1, textRect.right+1, textRect.bottom+1};
DrawText(dis->hDC, txt, txt_len, &shadowRect, DT_SINGLELINE|DT_VCENTER|DT_CENTER);
}
BkMode mode(dis->hDC, TRANSPARENT);
TextColor lcColor(dis->hDC, gray);
DrawText(dis->hDC, txt, txt_len, &textRect, DT_SINGLELINE|DT_VCENTER|DT_CENTER);
} else {
int old_r = textRect.right;
int old_b = textRect.bottom;
DrawText(dis->hDC, txt, txt_len, &textRect, DT_SINGLELINE|DT_VCENTER|DT_CENTER|DT_CALCRECT);
int x = textRect.left + (old_r-textRect.right)/2;
int y = textRect.top + (old_b-textRect.bottom)/2;
int w = textRect.right-textRect.left;
int h = textRect.bottom-textRect.top;
s_MyDrawText_Rect.right = w;
s_MyDrawText_Rect.bottom = h;
GrayString(dis->hDC, GetSysColorBrush(COLOR_GRAYTEXT), MyDrawText, (LPARAM)txt, txt_len, x, y, w, h);
}
} else {
TextColor lcColor(dis->hDC, _active? _activeColor: _textColor);
DrawText(dis->hDC, txt, txt_len, &textRect, DT_SINGLELINE|DT_VCENTER|DT_CENTER);
}
if (dis->itemState & ODS_FOCUS) {
RECT rect = {
dis->rcItem.left+3, dis->rcItem.top+3,
dis->rcItem.right-dis->rcItem.left-4, dis->rcItem.bottom-dis->rcItem.top-4
};
if (dis->itemState & ODS_SELECTED) {
++rect.left; ++rect.top;
++rect.right; ++rect.bottom;
}
DrawFocusRect(dis->hDC, &rect);
}
}
LRESULT FlatButton::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
switch(nmsg) {
case WM_MOUSEMOVE: {
bool active = false;
if (IsWindowEnabled(_hwnd)) {
DWORD pid_foreground;
HWND hwnd_foreground = GetForegroundWindow(); //@@ may be better look for WM_ACTIVATEAPP ?
GetWindowThreadProcessId(hwnd_foreground, &pid_foreground);
if (GetCurrentProcessId() == pid_foreground) {
POINT pt = {GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam)};
ClientRect clntRect(_hwnd);
// highlight the button?
if (pt.x>=clntRect.left && pt.x<clntRect.right && pt.y>=clntRect.top && pt.y<clntRect.bottom)
active = true;
}
}
if (active != _active) {
_active = active;
if (active) {
TRACKMOUSEEVENT tme = {sizeof(tme), /*TME_HOVER|*/TME_LEAVE, _hwnd/*, HOVER_DEFAULT*/};
_TrackMouseEvent(&tme);
}
InvalidateRect(_hwnd, NULL, TRUE);
}
return 0;}
case WM_LBUTTONUP: {
POINT pt = {GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam)};
ClientRect clntRect(_hwnd);
// no more in the active rectangle?
if (pt.x<clntRect.left || pt.x>=clntRect.right || pt.y<clntRect.top || pt.y>=clntRect.bottom)
goto cancel_press;
goto def;}
case WM_CANCELMODE:
cancel_press: {
TRACKMOUSEEVENT tme = {sizeof(tme), /*TME_HOVER|*/TME_LEAVE|TME_CANCEL, _hwnd/*, HOVER_DEFAULT*/};
_TrackMouseEvent(&tme);
_active = false;
ReleaseCapture();}
// fall through
case WM_MOUSELEAVE:
if (_active) {
_active = false;
InvalidateRect(_hwnd, NULL, TRUE);
}
return 0;
default: def:
return super::WndProc(nmsg, wparam, lparam);
}
}
HyperlinkCtrl::HyperlinkCtrl(HWND hwnd, COLORREF colorLink, COLORREF colorVisited)
: super(hwnd),
_cmd(ResString(GetDlgCtrlID(hwnd))),
_textColor(colorLink),
_colorVisited(colorVisited),
_hfont(0),
_crsr_link(0)
{
init();
}
HyperlinkCtrl::HyperlinkCtrl(HWND owner, int id, COLORREF colorLink, COLORREF colorVisited)
: super(GetDlgItem(owner, id)),
_cmd(ResString(id)),
_textColor(colorLink),
_colorVisited(colorVisited),
_hfont(0),
_crsr_link(0)
{
init();
}
void HyperlinkCtrl::init()
{
if (_cmd.empty()) {
TCHAR txt[BUFFER_LEN];
_cmd.assign(txt, GetWindowText(_hwnd, txt, BUFFER_LEN));
}
}
HyperlinkCtrl::~HyperlinkCtrl()
{
if (_hfont)
DeleteObject(_hfont);
}
LRESULT HyperlinkCtrl::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
switch(nmsg) {
case PM_DISPATCH_CTLCOLOR: {
if (!_hfont) {
HFONT hfont = (HFONT) SendMessage(_hwnd, WM_GETFONT, 0, 0);
LOGFONT lf; GetObject(hfont, sizeof(lf), &lf);
lf.lfUnderline = TRUE;
_hfont = CreateFontIndirect(&lf);
}
HDC hdc = (HDC) wparam;
SetTextColor(hdc, _textColor); //@@
SelectFont(hdc, _hfont);
SetBkMode(hdc, TRANSPARENT);
return (LRESULT)GetStockObject(HOLLOW_BRUSH);
}
case WM_SETCURSOR:
if (!_crsr_link)
_crsr_link = LoadCursor(0, IDC_HAND);
if (_crsr_link)
SetCursor(_crsr_link);
return 0;
case WM_NCHITTEST:
return HTCLIENT; // Aktivierung von Maus-Botschaften
case WM_LBUTTONDOWN:
if (LaunchLink()) {
_textColor = _colorVisited;
InvalidateRect(_hwnd, NULL, FALSE);
} else
MessageBeep(0);
return 0;
default:
return super::WndProc(nmsg, wparam, lparam);
}
}
ToolTip::ToolTip(HWND owner)
: super(CreateWindowEx(WS_EX_TOPMOST|WS_EX_NOPARENTNOTIFY, TOOLTIPS_CLASS, 0,
WS_POPUP|TTS_NOPREFIX|TTS_ALWAYSTIP, CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,
owner, 0, g_Globals._hInstance, 0))
{
activate();
}
ListSort::ListSort(HWND hwndListview, PFNLVCOMPARE compare_fct)
: WindowHandle(hwndListview),
_compare_fct(compare_fct)
{
_sort_crit = 0;
_direction = false;
}
void ListSort::toggle_sort(int idx)
{
if (_sort_crit == idx)
_direction = !_direction;
else {
_sort_crit = idx;
_direction = false;
}
}
void ListSort::sort()
{
int idx = ListView_GetSelectionMark(_hwnd);
LPARAM param = ListView_GetItemData(_hwnd, idx);
ListView_SortItems(_hwnd, _compare_fct, (LPARAM)this);
if (idx >= 0) {
idx = ListView_FindItemPara(_hwnd, param);
ListView_EnsureVisible(_hwnd, idx, FALSE);
}
}
PropSheetPage::PropSheetPage(UINT nid, Window::CREATORFUNC dlg_creator)
: _dlg_creator(dlg_creator)
{
PROPSHEETPAGE::dwSize = sizeof(PROPSHEETPAGE);
PROPSHEETPAGE::dwFlags = 0;
PROPSHEETPAGE::hInstance = g_Globals._hInstance;
PROPSHEETPAGE::pszTemplate = MAKEINTRESOURCE(nid);
PROPSHEETPAGE::pfnDlgProc = PropSheetPageDlg::DialogProc;
PROPSHEETPAGE::lParam = (LPARAM) this;
}
#ifndef PSM_GETRESULT // currently (as of 18.01.2004) missing in MinGW headers
#define PSM_GETRESULT (WM_USER + 135)
#define PropSheet_GetResult(hDlg) SNDMSG(hDlg, PSM_GETRESULT, 0, 0)
#endif
PropertySheetDialog::PropertySheetDialog(HWND owner)
: _hwnd(0)
{
PROPSHEETHEADER::dwSize = sizeof(PROPSHEETHEADER);
PROPSHEETHEADER::dwFlags = PSH_PROPSHEETPAGE | PSH_MODELESS;
PROPSHEETHEADER::hwndParent = owner;
PROPSHEETHEADER::hInstance = g_Globals._hInstance;
}
void PropertySheetDialog::add(PropSheetPage& psp)
{
_pages.push_back(psp);
}
int PropertySheetDialog::DoModal(int start_page)
{
PROPSHEETHEADER::ppsp = (LPCPROPSHEETPAGE) &_pages[0];
PROPSHEETHEADER::nPages = _pages.size();
PROPSHEETHEADER::nStartPage = start_page;
/*
Window* pwnd = Window::create_property_sheet(this, WINDOW_CREATOR(PropertySheetDlg), NULL);
if (!pwnd)
return -1;
HWND hwndPropSheet = *pwnd;
*/
int ret = PropertySheet(this);
if (ret == -1)
return -1;
HWND hwndPropSheet = (HWND) ret;
HWND hwndparent = GetParent(hwndPropSheet);
if (hwndparent)
EnableWindow(hwndparent, FALSE);
ret = 0;
MSG msg;
while(GetMessage(&msg, 0, 0, 0)) {
try {
if (Window::pretranslate_msg(&msg))
continue;
if (PropSheet_IsDialogMessage(hwndPropSheet, &msg))
continue;
if (Window::dispatch_dialog_msg(&msg))
continue;
TranslateMessage(&msg);
try {
DispatchMessage(&msg);
} catch(COMException& e) {
HandleException(e, 0);
}
if (!PropSheet_GetCurrentPageHwnd(hwndPropSheet)) {
ret = PropSheet_GetResult(hwndPropSheet);
break;
}
} catch(COMException& e) {
HandleException(e, 0);
}
}
if (hwndparent)
EnableWindow(hwndparent, TRUE);
DestroyWindow(hwndPropSheet);
return ret;
}
HWND PropertySheetDialog::GetCurrentPage()
{
HWND hdlg = PropSheet_GetCurrentPageHwnd(_hwnd);
return hdlg;
}
PropSheetPageDlg::PropSheetPageDlg(HWND hwnd)
: super(hwnd)
{
}
INT_PTR CALLBACK PropSheetPageDlg::DialogProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
PropSheetPageDlg* pThis = GET_WINDOW(PropSheetPageDlg, hwnd);
if (pThis) {
switch(nmsg) {
case WM_COMMAND:
pThis->Command(LOWORD(wparam), HIWORD(wparam));
return TRUE; // message has been processed
case WM_NOTIFY:
pThis->Notify(wparam, (NMHDR*)lparam);
return TRUE; // message has been processed
case WM_NOTIFYFORMAT:
SetWindowLongPtr(hwnd, DWLP_MSGRESULT, NFR_CURRENT); // set return value NFR_CURRENT
return TRUE; // message has been processed
case WM_NCDESTROY:
delete pThis;
return TRUE; // message has been processed
default:
return pThis->WndProc(nmsg, wparam, lparam);
}
} else if (nmsg == WM_INITDIALOG) {
PROPSHEETPAGE* psp = (PROPSHEETPAGE*) lparam;
PropSheetPage* ppsp = (PropSheetPage*) psp->lParam;
if (ppsp->_dlg_creator) {
pThis = static_cast<PropSheetPageDlg*>(ppsp->_dlg_creator(hwnd));
if (pThis)
return pThis->Init(NULL);
}
}
return FALSE; // message has not been processed
}
int PropSheetPageDlg::Command(int id, int code)
{
// override call to EndDialog in Dialog::Command();
return FALSE;
}