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VirtualDimension.cpp
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VirtualDimension.cpp
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/*
* Virtual Dimension - a free, fast, and feature-full virtual desktop manager
* for the Microsoft Windows platform.
* Copyright (C) 2003-2005 Francois Ferrand
*
* 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, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
// Virtual Dimension.cpp : Defines the entry point for the application.
//
#include "stdafx.h"
#include "VirtualDimension.h"
#include "settings.h"
#include "desktopmanager.h"
#include "WindowsManager.h"
#include <Windowsx.h>
#include "hotkeymanager.h"
#include "shellhook.h"
#include "tooltip.h"
#include <objbase.h>
#include "fastwindow.h"
#include "HotKeyControl.h"
#include "LinkControl.h"
#include "ExplorerWrapper.h"
#include <shellapi.h>
#include <assert.h>
#include "HookDLL.h"
#include "Locale.h"
#include "CmdLine.h"
// Global Variables:
HWND configBox = NULL;
Transparency * transp;
TrayIcon * trayIcon;
AlwaysOnTop * ontop;
ToolTip * tooltip;
VirtualDimension vdWindow;
// Forward function definition
HWND CreateConfigBox();
int APIENTRY _tWinMain( HINSTANCE hInstance,
HINSTANCE /*hPrevInstance*/,
LPTSTR lpCmdLine,
int nCmdShow)
{
MSG msg;
HACCEL hAccelTable;
BOOL firstrun;
InitCommonControls();
CoInitialize ( NULL );
firstrun = vdWindow.Start(hInstance, nCmdShow);
if (!firstrun)
{
CommandLineParser parser;
parser.ParseCommandLine(lpCmdLine);
return -1;
}
// Load accelerators
hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_VIRTUALDIMENSION);
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (IsWindow(configBox) && IsDialogMessage(configBox, &msg))
{
if (NULL == PropSheet_GetCurrentPageHwnd(configBox))
{
DestroyWindow(configBox);
configBox = NULL;
}
}
else if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
VirtualDimension::VirtualDimension()
{
LoadString(m_hInstance, IDS_APP_TITLE, m_szTitle, MAX_LOADSTRING);
LoadString(m_hInstance, IDC_VIRTUALDIMENSION, m_szWindowClass, MAX_LOADSTRING);
}
bool VirtualDimension::Start(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
RECT pos;
Settings settings;
HWND hwndPrev;
DWORD dwStyle;
// If a previous instance is running, activate
// that instance and terminate this one.
hwndPrev = FindWindow();
if (hwndPrev != NULL)
{
SetForegroundWindow (hwndPrev);
return false;
}
m_hInstance = hInstance;
InitHotkeyControl();
InitHyperLinkControl();
// Register the window class
RegisterClass();
// Bind the message handlers
SetCommandHandler(IDM_ABOUT, this, &VirtualDimension::OnCmdAbout);
SetSysCommandHandler(IDM_ABOUT, this, &VirtualDimension::OnCmdAbout);
SetCommandHandler(IDM_CONFIGURE, this, &VirtualDimension::OnCmdConfigure);
SetSysCommandHandler(IDM_CONFIGURE, this, &VirtualDimension::OnCmdConfigure);
SetCommandHandler(IDM_EXIT, this, &VirtualDimension::OnCmdExit);
SetSysCommandHandler(SC_CLOSE, this, &VirtualDimension::OnCmdExit);
SetCommandHandler(IDM_LOCKPREVIEWWND, this, &VirtualDimension::OnCmdLockPreviewWindow);
SetSysCommandHandler(IDM_LOCKPREVIEWWND, this, &VirtualDimension::OnCmdLockPreviewWindow);
SetCommandHandler(IDM_SHOWCAPTION, this, &VirtualDimension::OnCmdShowCaption);
SetSysCommandHandler(IDM_SHOWCAPTION, this, &VirtualDimension::OnCmdShowCaption);
SetMessageHandler(WM_DESTROY, this, &VirtualDimension::OnDestroy);
SetMessageHandler(WM_ENDSESSION, this, &VirtualDimension::OnEndSession);
SetMessageHandler(WM_MOVE, this, &VirtualDimension::OnMove);
SetMessageHandler(WM_WINDOWPOSCHANGING, this, &VirtualDimension::OnWindowPosChanging);
SetMessageHandler(WM_DISPLAYCHANGE, this, &VirtualDimension::OnDisplayChange);
SetMessageHandler(WM_SHOWWINDOW, this, &VirtualDimension::OnShowWindow);
SetMessageHandler(WM_LBUTTONDOWN, this, &VirtualDimension::OnLeftButtonDown);
SetMessageHandler(WM_LBUTTONUP, this, &VirtualDimension::OnLeftButtonUp);
SetMessageHandler(WM_LBUTTONDBLCLK, this, &VirtualDimension::OnLeftButtonDblClk);
SetMessageHandler(WM_RBUTTONDOWN, this, &VirtualDimension::OnRightButtonDown);
SetMessageHandler(WM_MEASUREITEM, this, &VirtualDimension::OnMeasureItem);
SetMessageHandler(WM_DRAWITEM, this, &VirtualDimension::OnDrawItem);
m_autoHideTimerId = CreateTimer(this, &VirtualDimension::OnTimer);
SetMessageHandler(WM_ACTIVATEAPP, this, &VirtualDimension::OnActivateApp);
SetMessageHandler(WM_MOUSEHOVER, this, &VirtualDimension::OnMouseHover);
SetMessageHandler(WM_MOUSELEAVE, this, &VirtualDimension::OnMouseLeave);
SetMessageHandler(WM_NCHITTEST, this, &VirtualDimension::OnNCHitTest);
SetMessageHandler(WM_VD_HOOK_MENU_COMMAND, this, &VirtualDimension::OnHookMenuCommand);
SetMessageHandler(WM_VD_PREPARE_HOOK_MENU, this, &VirtualDimension::OnPrepareHookMenu);
SetMessageHandler(WM_VD_CHECK_MIN_TO_TRAY, this, &VirtualDimension::OnCheckMinToTray);
// compare the window's style
m_hasCaption = settings.LoadSetting(Settings::HasCaption);
dwStyle = WS_POPUP | WS_SYSMENU | (m_hasCaption ? WS_CAPTION : WS_DLGFRAME);
// Reload the window's position
settings.LoadSetting(Settings::WindowPosition, &pos);
AdjustWindowRectEx(&pos, dwStyle, FALSE, WS_EX_TOOLWINDOW);
// Dock the window to the screen borders
m_dockedBorders = settings.LoadSetting(Settings::DockedBorders);
DockWindow(pos);
// Create the main window
Create( WS_EX_TOOLWINDOW, m_szWindowClass, m_szTitle, dwStyle,
pos.left, pos.top, pos.right - pos.left, pos.bottom - pos.top,
NULL, NULL, hInstance);
if (!IsValid())
return false;
hWnd = *this;
// Load some settings
m_snapSize = settings.LoadSetting(Settings::SnapSize);
m_autoHideDelay = settings.LoadSetting(Settings::AutoHideDelay);
m_shrinked = false;
m_tracking = false;
//Ensure the window gets docked if it is close enough to the borders
SetWindowPos(hWnd, NULL, pos.left, pos.top, pos.right - pos.left, pos.bottom - pos.top, SWP_NOACTIVATE|SWP_NOZORDER|SWP_NOOWNERZORDER);
// Setup the system menu
m_pSysMenu = GetSystemMenu(hWnd, FALSE);
if (m_pSysMenu != NULL)
{
RemoveMenu(m_pSysMenu, SC_RESTORE, MF_BYCOMMAND);
RemoveMenu(m_pSysMenu, SC_MINIMIZE, MF_BYCOMMAND);
RemoveMenu(m_pSysMenu, SC_MAXIMIZE, MF_BYCOMMAND);
RemoveMenu(m_pSysMenu, SC_MOVE, MF_BYCOMMAND);
RemoveMenu(m_pSysMenu, SC_SIZE, MF_BYCOMMAND);
RemoveMenu(m_pSysMenu, 0, MF_BYCOMMAND);
AppendMenu(m_pSysMenu, MF_SEPARATOR, 0, NULL);
AppendMenu(m_pSysMenu, MF_STRING, IDM_CONFIGURE, Locale::GetInstance().GetString(IDS_CONFIGURE)); //"C&onfigure"
AppendMenu(m_pSysMenu, MF_STRING, IDM_LOCKPREVIEWWND, Locale::GetInstance().GetString(IDS_LOCKPREVIEWWND)); //"&Lock the window"
AppendMenu(m_pSysMenu, MF_STRING, IDM_SHOWCAPTION, Locale::GetInstance().GetString(IDS_SHOWCAPTION)); //"S&how the caption"
if (CreateLangMenu())
AppendMenu(m_pSysMenu, MF_STRING|MF_POPUP, (UINT_PTR)m_pLangMenu, Locale::GetInstance().GetString(IDS_LANGUAGEMENU)); //"L&anguage"
AppendMenu(m_pSysMenu, MF_STRING, IDM_ABOUT, Locale::GetInstance().GetString(IDS_ABOUT)); //"&About"
CheckMenuItem(m_pSysMenu, IDM_SHOWCAPTION, m_hasCaption ? MF_CHECKED : MF_UNCHECKED );
}
// Lock the preview window as appropriate
LockPreviewWindow(settings.LoadSetting(Settings::LockPreviewWindow));
// Bind to explorer
explorerWrapper = new ExplorerWrapper(this);
// Initialize the tray icon manager
trayManager = new TrayIconsManager();
// Initialize tray icon
trayIcon = new TrayIcon(hWnd);
// Initialize transparency (set value two times, to make a fade-in)
transp = new Transparency(hWnd);
transp->SetTransparencyLevel(0);
transp->SetTransparencyLevel(settings.LoadSetting(Settings::TransparencyLevel), true);
// Initialize always on top state
ontop = new AlwaysOnTop(hWnd);
ontop->SetAlwaysOnTop(settings.LoadSetting(Settings::AlwaysOnTop));
// Create the tooltip
tooltip = new ToolTip(hWnd);
// Create mouse warp
mousewarp = new MouseWarp();
// Create the windows manager
winMan = new WindowsManager;
// Create the desk manager
settings.LoadSetting(Settings::WindowPosition, &pos); //use client position
deskMan = new DesktopManager(pos.right - pos.left, pos.bottom - pos.top);
// Retrieve the initial list of windows
winMan->PopulateInitialWindowsSet();
//Update tray icon tooltip
trayIcon->Update();
//Bind some additional message handlers (which need the desktop manager)
SetMessageHandler(WM_SIZE, this, &VirtualDimension::OnSize);
SetMessageHandler(WM_PAINT, deskMan, &DesktopManager::OnPaint);
// Show window if needed
if (m_isWndVisible = (settings.LoadSetting(Settings::ShowWindow) || !trayIcon->HasIcon()))
{
ShowWindow(hWnd, nCmdShow);
Refresh();
}
return true;
}
VirtualDimension::~VirtualDimension()
{
}
void VirtualDimension::LockPreviewWindow(bool lock)
{
LONG_PTR style;
m_lockPreviewWindow = lock;
CheckMenuItem(m_pSysMenu, IDM_LOCKPREVIEWWND, m_lockPreviewWindow ? MF_CHECKED : MF_UNCHECKED );
style = GetWindowLongPtr(m_hWnd, GWL_STYLE);
if (m_lockPreviewWindow)
{
style &= ~WS_THICKFRAME;
RemoveMenu(m_pSysMenu, SC_MOVE, MF_BYCOMMAND);
RemoveMenu(m_pSysMenu, SC_SIZE, MF_BYCOMMAND);
}
else
{
style |= WS_THICKFRAME;
InsertMenu(m_pSysMenu, 0, MF_BYPOSITION, SC_SIZE, Locale::GetInstance().GetString(IDS_MENU_SIZE)); // "&Size"
InsertMenu(m_pSysMenu, 0, MF_BYPOSITION, SC_MOVE, Locale::GetInstance().GetString(IDS_MENU_MOVE)); // "&Move"
}
SetWindowLongPtr(m_hWnd, GWL_STYLE, style);
}
void VirtualDimension::ShowCaption(bool caption)
{
LONG_PTR style;
m_hasCaption = caption;
CheckMenuItem(m_pSysMenu, IDM_SHOWCAPTION, m_hasCaption ? MF_CHECKED : MF_UNCHECKED );
style = GetWindowLongPtr(m_hWnd, GWL_STYLE);
if (m_hasCaption)
{
style &= ~WS_DLGFRAME;
style |= WS_CAPTION;
}
else
{
style &= ~WS_CAPTION;
style |= WS_DLGFRAME;
}
SetWindowLongPtr(m_hWnd, GWL_STYLE, style);
SetWindowPos(m_hWnd, NULL, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
}
ATOM VirtualDimension::RegisterClass()
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_SAVEBITS;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = m_hInstance;
wcex.hIcon = LoadIcon(m_hInstance, (LPCTSTR)IDI_VIRTUALDIMENSION);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)GetStockObject(HOLLOW_BRUSH);
wcex.lpszMenuName = 0;
wcex.lpszClassName = m_szWindowClass;
wcex.hIconSm = NULL;
return FastWindow::RegisterClassEx(&wcex);
}
LRESULT VirtualDimension::OnCmdAbout(HWND hWnd, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
DialogBox(vdWindow, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
return 0;
}
LRESULT VirtualDimension::OnCmdLockPreviewWindow(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
LockPreviewWindow(!IsPreviewWindowLocked());
return 0;
}
LRESULT VirtualDimension::OnCmdShowCaption(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
ShowCaption(!HasCaption());
return 0;
}
LRESULT VirtualDimension::OnCmdConfigure(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
if (!configBox)
configBox = CreateConfigBox();
return 0;
}
LRESULT VirtualDimension::OnCmdExit(HWND hWnd, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
//todo: fade-out
DestroyWindow(hWnd);
return 0;
}
LRESULT VirtualDimension::OnLeftButtonDown(HWND hWnd, UINT /*message*/, WPARAM /*wParam*/, LPARAM lParam)
{
POINT pt;
BOOL screenPos = FALSE;
pt.x = GET_X_LPARAM(lParam);
pt.y = GET_Y_LPARAM(lParam);
if (m_shrinked)
{
if (!IsPreviewWindowLocked() && //for performance reasons only
(ClientToScreen(hWnd, &pt)) &&
(DragDetect(hWnd, pt)))
{
//trick windows into thinking we are dragging the title bar, to let the user move the window
m_draggedWindow = NULL;
m_dragCursor = NULL;
ReleaseCapture();
::SendMessage(hWnd,WM_NCLBUTTONDOWN,HTCAPTION,(LPARAM)&pt);
}
else
UnShrink();
}
else
{
//Stop the hide timer, to ensure the window does not get hidden
KillTimer(m_autoHideTimerId);
//Find the item under the mouse, and check if it's being dragged
Desktop * desk = deskMan->GetDesktopFromPoint(pt.x, pt.y);
if ( (desk) &&
((m_draggedWindow = desk->GetWindowFromPoint(pt.x, pt.y)) != NULL) &&
(!m_draggedWindow->IsOnDesk(NULL)) &&
((screenPos = ClientToScreen(hWnd, &pt)) != FALSE) &&
(DragDetect(hWnd, pt)) )
{
ICONINFO icon;
//Dragging a window's icon
SetCapture(hWnd);
GetIconInfo(m_draggedWindow->GetIcon(), &icon);
icon.fIcon = FALSE;
m_dragCursor = (HCURSOR)CreateIconIndirect(&icon);
SetCursor(m_dragCursor);
}
else if (!IsPreviewWindowLocked() && //for performance reasons only
(screenPos || ClientToScreen(hWnd, &pt)) &&
(DragDetect(hWnd, pt)))
{
//trick windows into thinking we are dragging the title bar, to let the user move the window
m_draggedWindow = NULL;
m_dragCursor = NULL;
ReleaseCapture();
::SendMessage(hWnd,WM_NCLBUTTONDOWN,HTCAPTION,(LPARAM)&pt);
}
else
{
//switch to the desktop that was clicked
m_draggedWindow = NULL;
deskMan->SwitchToDesktop(desk);
}
}
return 0;
}
LRESULT VirtualDimension::OnLeftButtonUp(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM lParam)
{
POINT pt;
//If not dragging a window, nothing to do
if (m_draggedWindow == NULL)
return 0;
//Release capture
ReleaseCapture();
//Free the cursor
DestroyCursor(m_dragCursor);
pt.x = GET_X_LPARAM(lParam);
pt.y = GET_Y_LPARAM(lParam);
//Find out the target desktop
Desktop * desk = deskMan->GetDesktopFromPoint(pt.x, pt.y);
if (m_draggedWindow->IsOnDesk(desk))
return 0; //window already on the target desk
//Move the window to this desktop
m_draggedWindow->MoveToDesktop(desk);
//Refresh the window
Refresh();
return 0;
}
LRESULT VirtualDimension::OnLeftButtonDblClk(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM lParam)
{
POINT pt;
Window * window;
Desktop * desk;
if (m_shrinked)
return 0;
pt.x = GET_X_LPARAM(lParam);
pt.y = GET_Y_LPARAM(lParam);
desk = deskMan->GetDesktopFromPoint(pt.x, pt.y);
if ( (desk) &&
((window = desk->GetWindowFromPoint(pt.x, pt.y)) != NULL) )
window->Activate();
return 0;
}
LRESULT VirtualDimension::OnRightButtonDown(HWND hWnd, UINT /*message*/, WPARAM wParam, LPARAM lParam)
{
HMENU hMenu = NULL, hBaseMenu;
POINT pt;
HRESULT res;
pt.x = GET_X_LPARAM(lParam);
pt.y = GET_Y_LPARAM(lParam);
//Stop the hide timer, to ensure the window does not get hidden
KillTimer(m_autoHideTimerId);
//Get the context menu
Desktop * desk = deskMan->GetDesktopFromPoint(pt.x, pt.y);
Window * window = NULL;
if ((!m_shrinked) &&
((wParam & MK_CONTROL) == 0) &&
(desk != NULL))
{
window = desk->GetWindowFromPoint(pt.x, pt.y);
if (window)
hMenu = window->BuildMenu();
else
hMenu = desk->BuildMenu();
}
//If no window on desktop, or no menu for the window, display system menu
if (hMenu == NULL || GetMenuItemCount(hMenu) == 0)
{
hBaseMenu = hMenu; //destroy the newly created menu, even if we don't use it
hMenu = m_pSysMenu;
}
else
hBaseMenu = hMenu;
assert(hMenu != NULL);
//And show the menu
ClientToScreen(hWnd, &pt);
res = TrackPopupMenu(hMenu, TPM_RETURNCMD|TPM_RIGHTBUTTON, pt.x, pt.y, 0, hWnd, NULL);
//Process the resulting message
if (hMenu == m_pSysMenu)
PostMessage(hWnd, WM_SYSCOMMAND, res, 0);
else if (res >= WM_USER)
{
if (window != NULL)
window->OnMenuItemSelected(hMenu, res);
else
desk->OnMenuItemSelected(hMenu, res);
}
else
PostMessage(hWnd, WM_COMMAND, res, 0);
DestroyMenu(hBaseMenu);
return 0;
}
LRESULT VirtualDimension::OnDestroy(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
RECT pos;
Settings settings;
// Before exiting, save the window position
pos.left = m_location.x;
pos.top = m_location.y;
pos.right = m_location.x + deskMan->GetWindowWidth();
pos.bottom = m_location.y + deskMan->GetWindowHeight();
settings.SaveSetting(Settings::WindowPosition, &pos);
settings.SaveSetting(Settings::DockedBorders, m_dockedBorders);
//Save the snap size
settings.SaveSetting(Settings::SnapSize, m_snapSize);
//Save the auto-hide delay
settings.SaveSetting(Settings::AutoHideDelay, m_autoHideDelay);
//Save the visibility state of the window before it is hidden
settings.SaveSetting(Settings::ShowWindow, m_isWndVisible);
//Save the locking state of the window
settings.SaveSetting(Settings::LockPreviewWindow, IsPreviewWindowLocked());
//Save the visibility state of the title bar
settings.SaveSetting(Settings::HasCaption, HasCaption());
// Remove the tray icon
delete trayIcon;
// Cleanup transparency
settings.SaveSetting(Settings::TransparencyLevel, transp->GetTransparencyLevel());
delete transp;
// Cleanup always on top state
settings.SaveSetting(Settings::AlwaysOnTop, ontop->IsAlwaysOnTop());
delete ontop;
// Destroy the tooltip
delete tooltip;
// Destroy the mouse warp
delete mousewarp;
// Destroy the desktop manager
delete deskMan;
// Destroy the windows manager
delete winMan;
// Destroy the tray icons manager
delete trayManager;
PostQuitMessage(0);
return 0;
}
LRESULT VirtualDimension::OnMeasureItem(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
LPMEASUREITEMSTRUCT lpmis = (LPMEASUREITEMSTRUCT)lParam;
if (wParam != 0)
return DefWindowProc(hWnd, message, wParam, lParam);
lpmis->itemHeight = 16;
lpmis->itemWidth = 16;
return TRUE;
}
LRESULT VirtualDimension::OnDrawItem(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT)lParam;
if (wParam != 0)
return DefWindowProc(hWnd, message, wParam, lParam);
DrawIconEx(lpdis->hDC, lpdis->rcItem.left, lpdis->rcItem.top, (HICON)lpdis->itemData, 16, 16, 0, NULL, DI_NORMAL);
return TRUE;
}
LRESULT VirtualDimension::OnHookMenuCommand(HWND /*hWnd*/, UINT /*message*/, WPARAM wParam, LPARAM lParam)
{
Window * win = (Window*)lParam;
win->OnMenuItemSelected(NULL, (int)wParam);
if (win->IsOnCurrentDesk())
SetForegroundWindow(win->GetOwnedWindow());
return TRUE;
}
LRESULT VirtualDimension::OnPrepareHookMenu(HWND /*hWnd*/, UINT /*message*/, WPARAM wParam, LPARAM lParam)
{
return ((Window*)lParam)->PrepareSysMenu((HANDLE)wParam);
}
LRESULT VirtualDimension::OnCheckMinToTray(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM lParam)
{
return ((Window*)lParam)->IsMinimizeToTray();
}
LRESULT VirtualDimension::OnEndSession(HWND /*hWnd*/, UINT /*message*/, WPARAM wParam, LPARAM /*lParam*/)
{
if (wParam)
//The session is ending -> destroy the window
DestroyWindow(m_hWnd); //fade-out ?
return 0;
}
LRESULT VirtualDimension::OnMove(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM lParam)
{
if (!m_shrinked)
{
m_location.x = (int)(short) LOWORD(lParam);
m_location.y = (int)(short) HIWORD(lParam);
}
return 0;
}
LRESULT VirtualDimension::OnWindowPosChanging(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM lParam)
{
RECT deskRect;
WINDOWPOS * lpwndpos = (WINDOWPOS*)lParam;
// No action if the window is not moved or sized
if ((lpwndpos->flags & SWP_NOMOVE) && (lpwndpos->flags & SWP_NOSIZE))
return TRUE;
// Get work area dimensions
SystemParametersInfo(SPI_GETWORKAREA, 0, &deskRect, 0);
if (!m_shrinked)
{
// Snap to screen border
m_dockedBorders = 0;
if( (lpwndpos->x >= -m_snapSize + deskRect.left) &&
(lpwndpos->x <= deskRect.left + m_snapSize) )
{
//Left border
lpwndpos->x = deskRect.left;
m_dockedBorders |= DOCK_LEFT;
}
if( (lpwndpos->y >= -m_snapSize + deskRect.top) &&
(lpwndpos->y <= deskRect.top + m_snapSize) )
{
// Top border
lpwndpos->y = deskRect.top;
m_dockedBorders |= DOCK_TOP;
}
if( (lpwndpos->x + lpwndpos->cx <= deskRect.right + m_snapSize) &&
(lpwndpos->x + lpwndpos->cx >= deskRect.right - m_snapSize) )
{
// Right border
lpwndpos->x = deskRect.right - lpwndpos->cx;
m_dockedBorders |= DOCK_RIGHT;
}
if( (lpwndpos->y + lpwndpos->cy <= deskRect.bottom + m_snapSize) &&
(lpwndpos->y + lpwndpos->cy >= deskRect.bottom - m_snapSize) )
{
// Bottom border
lpwndpos->y = deskRect.bottom - lpwndpos->cy;
m_dockedBorders |= DOCK_BOTTOM;
}
}
else
{
//Constrain to borders
if (lpwndpos->x < deskRect.left)
lpwndpos->x = deskRect.left;
if (lpwndpos->x+lpwndpos->cx > deskRect.right)
lpwndpos->x = deskRect.right - lpwndpos->cx;
if (lpwndpos->y < deskRect.top)
lpwndpos->y = deskRect.top;
if (lpwndpos->y+lpwndpos->cy > deskRect.bottom)
lpwndpos->y = deskRect.bottom - lpwndpos->cy;
int xdist = min(lpwndpos->x-deskRect.left, deskRect.right-lpwndpos->x-lpwndpos->cx) >> 4;
int ydist = min(lpwndpos->y-deskRect.top, deskRect.bottom-lpwndpos->y-lpwndpos->cy) >> 4;
m_dockedBorders = 0;
if (xdist <= ydist)
{
//Dock to left/right
if (2*lpwndpos->x+lpwndpos->cx > deskRect.right-deskRect.left)
{
//dock to right
lpwndpos->x = deskRect.right - lpwndpos->cx;
m_dockedBorders |= DOCK_RIGHT;
}
else
{
//dock to left
lpwndpos->x = deskRect.left;
m_dockedBorders |= DOCK_LEFT;
}
}
if (xdist >= ydist)
{
//Dock to top/bottom
if (2*lpwndpos->y+lpwndpos->cy > deskRect.bottom-deskRect.top)
{
//dock to bottom
lpwndpos->y = deskRect.bottom - lpwndpos->cy;
m_dockedBorders |= DOCK_BOTTOM;
}
else
{
//dock to top
lpwndpos->y = deskRect.top;
m_dockedBorders |= DOCK_TOP;
}
}
}
return TRUE;
}
/** Update the rectangle, to dock the window.
* @return true if the docking caused the rect to change, else false.
*/
bool VirtualDimension::DockWindow(RECT & pos)
{
RECT deskRect;
bool res = false;
SystemParametersInfo(SPI_GETWORKAREA, 0, &deskRect, 0);
if (m_dockedBorders & DOCK_LEFT)
{
pos.right -= pos.left - deskRect.left;
pos.left = deskRect.left;
res = true;
}
if (m_dockedBorders & DOCK_RIGHT)
{
if (!(m_dockedBorders & DOCK_LEFT))
pos.left -= pos.right - deskRect.right;
pos.right = deskRect.right;
res = true;
}
if (m_dockedBorders & DOCK_TOP)
{
pos.bottom -= pos.top - deskRect.top;
pos.top = deskRect.top;
res = true;
}
if (m_dockedBorders & DOCK_BOTTOM)
{
if (!(m_dockedBorders & DOCK_TOP))
pos.top -= pos.bottom - deskRect.bottom;
pos.bottom = deskRect.bottom;
res = true;
}
return res;
}
LRESULT VirtualDimension::OnDisplayChange(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
RECT pos;
GetWindowRect(m_hWnd, &pos);
if (DockWindow(pos))
{
if (!m_shrinked && m_autoHideDelay > 0)
SetTimer(m_autoHideTimerId, m_autoHideDelay); //reset the timer, to avoid hiding the window during the resolution change, as it does not look very nice
MoveWindow(m_hWnd, pos.left, pos.top, pos.right-pos.left, pos.bottom-pos.top, TRUE);
}
return 0;
}
LRESULT VirtualDimension::OnShowWindow(HWND /*hWnd*/, UINT /*message*/, WPARAM wParam, LPARAM /*lParam*/)
{
m_isWndVisible = (wParam != FALSE);
return 0;
}
LRESULT VirtualDimension::OnTimer(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
POINT pt;
//Do not shrink and let the timer run if the mouse is over the window -> it will be hidden later, when
//mouse is not on window anymore.
GetCursorPos(&pt);
if (!IsPointInWindow(pt) && GetWindowThreadProcessId(GetForegroundWindow(),NULL) != GetCurrentThreadId())
{
KillTimer(m_autoHideTimerId); //already auto-hidden -> do not need to
Shrink();
}
return 0;
}
LRESULT VirtualDimension::OnActivateApp(HWND /*hWnd*/, UINT /*message*/, WPARAM wParam, LPARAM lParam)
{
if (wParam == TRUE)
KillTimer(m_autoHideTimerId); //Kill auto-hide timer if activated
else if (m_autoHideDelay > 0 && ((DWORD)lParam != GetCurrentThreadId()))
SetTimer(m_autoHideTimerId, m_autoHideDelay); //Re-start auto-hide timer if de-activated
return 0;
}
LRESULT VirtualDimension::OnPaint(HWND hWnd, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
//This method is used to paint the shrinked window
PAINTSTRUCT ps;
RECT rect;
HDC hdc;
GetClientRect(hWnd, &rect);
hdc = BeginPaint(hWnd, &ps);
Rectangle(hdc, rect.left, rect.top, rect.right, rect.bottom);
EndPaint(hWnd, &ps);
return 0;
}
LRESULT VirtualDimension::OnSize(HWND /*hWnd*/, UINT /*message*/, WPARAM wParam, LPARAM lParam)
{
if ((!m_shrinked) && (wParam == SIZE_RESTORED))
deskMan->ReSize(LOWORD(lParam), HIWORD(lParam));
return 0;
}
LRESULT VirtualDimension::OnMouseHover(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
//Un-shrink the window
if (m_shrinked)
UnShrink();
m_tracking = false;
return 0;
}
LRESULT VirtualDimension::OnMouseLeave(HWND /*hWnd*/, UINT /*message*/, WPARAM /*wParam*/, LPARAM /*lParam*/)
{
//Set timer to auto-hide
if (!m_shrinked && m_autoHideDelay > 0)
SetTimer(m_autoHideTimerId, m_autoHideDelay);
m_tracking = false;
return 0;
}
LRESULT VirtualDimension::OnNCHitTest(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
//Stop auto-hide timer (re-entry in the window)
KillTimer(m_autoHideTimerId);
//Track mouse hover/leave, if not already doing so
if (!m_tracking)
{
//Setup mouse tracking
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(TRACKMOUSEEVENT);
tme.dwFlags = TME_HOVER | TME_LEAVE;
tme.dwHoverTime = 1000;
tme.hwndTrack = m_hWnd;
m_tracking = TrackMouseEvent(&tme) ? true : false;
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
LRESULT VirtualDimension::OnCmdLanguageChange(HWND /*hWnd*/, UINT /*message*/, WPARAM wParam, LPARAM /*lParam*/)
{
// the current language code + wm_cd_language should give the current checked menu item ...
int iPreviousLanguageCode = Locale::GetInstance().GetLanguage();
if (Locale::GetInstance().SetLanguage(wParam-WM_VD_LANGUAGE))
{
UpdateSystemMenu();
if (iPreviousLanguageCode > 0)
CheckMenuItem(m_pLangMenu,(UINT)iPreviousLanguageCode+WM_VD_LANGUAGE,MF_BYCOMMAND|MF_UNCHECKED);
CheckMenuItem(m_pLangMenu,(UINT)wParam,MF_BYCOMMAND|MF_CHECKED);
}
return 0;
}
#define SHRUNK_THICKNESS 10
void VirtualDimension::Shrink(void)
{
RECT pos, deskRect;
DWORD style;
if (m_shrinked || !m_dockedBorders)
return;
m_shrinked = true;
//Compute the position where to display the handle
SystemParametersInfo(SPI_GETWORKAREA, 0, &deskRect, 0);
GetWindowRect(m_hWnd, &pos);
switch(m_dockedBorders & (DOCK_LEFT|DOCK_RIGHT))
{
case DOCK_LEFT:
pos.right = deskRect.left + SHRUNK_THICKNESS;
pos.left = pos.right - SHRUNK_THICKNESS;
break;
case DOCK_RIGHT:
pos.left = deskRect.right - SHRUNK_THICKNESS;
pos.right = pos.left + SHRUNK_THICKNESS;
break;
case DOCK_LEFT|DOCK_RIGHT:
pos.left = deskRect.left;
pos.right = deskRect.right;
break;
default:
break;
}
switch(m_dockedBorders & (DOCK_TOP|DOCK_BOTTOM))
{
case DOCK_TOP:
pos.bottom = deskRect.top + SHRUNK_THICKNESS;
pos.top = pos.bottom - SHRUNK_THICKNESS;
break;
case DOCK_BOTTOM:
pos.top = deskRect.bottom - SHRUNK_THICKNESS;
pos.bottom = pos.top + SHRUNK_THICKNESS;
break;
case DOCK_TOP|DOCK_BOTTOM:
pos.top = deskRect.top;
pos.bottom = deskRect.bottom;
break;
default:
break;
}