--- /dev/null
+/*
+ * Copyright 2003, 2004 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
+ //
+ // desktopbar.cpp
+ //
+ // Martin Fuchs, 22.08.2003
+ //
+
+
+#include <precomp.h>
+
+#include "desktopbar.h"
+#include "taskbar.h"
+#include "startmenu.h"
+#include "traynotify.h"
+#include "quicklaunch.h"
+
+#include "../dialogs/settings.h"
+
+
+DesktopBar::DesktopBar(HWND hwnd)
+ : super(hwnd),
+#ifdef __REACTOS__
+ _trayIcon(hwnd, ID_TRAY_VOLUME)
+#else
+ WM_TASKBARCREATED(RegisterWindowMessage(WINMSG_TASKBARCREATED))
+#endif
+{
+ SetWindowIcon(hwnd, IDI_REACTOS);
+
+ SystemParametersInfo(SPI_GETWORKAREA, 0, &_work_area_org, 0);
+}
+
+DesktopBar::~DesktopBar()
+{
+ // restore work area to the previous size
+ SystemParametersInfo(SPI_SETWORKAREA, 0, &_work_area_org, 0);
+ PostMessage(HWND_BROADCAST, WM_SETTINGCHANGE, SPI_SETWORKAREA, 0);
+
+ // exit application after destroying desktop window
+ PostQuitMessage(0);
+}
+
+
+HWND DesktopBar::Create()
+{
+ static BtnWindowClass wcDesktopBar(CLASSNAME_EXPLORERBAR);
+
+ RECT rect;
+
+ rect.left = -2; // hide left border
+#ifdef TASKBAR_AT_TOP
+ rect.top = -2; // hide top border
+#else
+ rect.top = GetSystemMetrics(SM_CYSCREEN) - DESKTOPBARBAR_HEIGHT;
+#endif
+ rect.right = GetSystemMetrics(SM_CXSCREEN) + 2;
+ rect.bottom = rect.top + DESKTOPBARBAR_HEIGHT + 2;
+
+ return Window::Create(WINDOW_CREATOR(DesktopBar), WS_EX_PALETTEWINDOW,
+ wcDesktopBar, TITLE_EXPLORERBAR,
+ WS_POPUP|WS_THICKFRAME|WS_CLIPCHILDREN|WS_VISIBLE,
+ rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top, 0);
+}
+
+
+LRESULT DesktopBar::Init(LPCREATESTRUCT pcs)
+{
+ if (super::Init(pcs))
+ return 1;
+
+ // create start button
+ ResString start_str(IDS_START);
+ WindowCanvas canvas(_hwnd);
+ FontSelection font(canvas, GetStockFont(ANSI_VAR_FONT));
+ RECT rect = {0, 0};
+ DrawText(canvas, start_str, -1, &rect, DT_SINGLELINE|DT_CALCRECT);
+ int start_btn_width = rect.right+16+8;
+
+ _taskbar_pos = start_btn_width + 6;
+
+ // create "Start" button
+ HWND hwndStart = Button(_hwnd, start_str, 1, 1, start_btn_width, REBARBAND_HEIGHT, IDC_START, WS_VISIBLE|WS_CHILD|BS_OWNERDRAW);
+ SetWindowFont(hwndStart, GetStockFont(ANSI_VAR_FONT), FALSE);
+ new StartButton(hwndStart);
+
+ /* Save the handle to the window, needed for push-state handling */
+ _hwndStartButton = hwndStart;
+
+ // disable double clicks
+ SetClassLongPtr(hwndStart, GCL_STYLE, GetClassLongPtr(hwndStart, GCL_STYLE) & ~CS_DBLCLKS);
+
+ // create task bar
+ _hwndTaskBar = TaskBar::Create(_hwnd);
+
+ if (!g_Globals._SHRestricted || !SHRestricted(REST_NOTRAYITEMSDISPLAY))
+ // create tray notification area
+ _hwndNotify = NotifyArea::Create(_hwnd);
+
+
+ // notify all top level windows about the successfully created desktop bar
+ //@@ Use SendMessage() instead of PostMessage() to avoid problems with delayed created shell service objects?
+ PostMessage(HWND_BROADCAST, WM_TASKBARCREATED, 0, 0);
+
+
+ _hwndQuickLaunch = QuickLaunchBar::Create(_hwnd);
+
+ // create rebar window to manage task and quick launch bar
+#ifndef _NO_REBAR
+ _hwndrebar = CreateWindowEx(WS_EX_TOOLWINDOW, REBARCLASSNAME, NULL,
+ WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|WS_CLIPCHILDREN|
+ RBS_VARHEIGHT|RBS_AUTOSIZE|RBS_DBLCLKTOGGLE| //|RBS_REGISTERDROP
+ CCS_NODIVIDER|CCS_NOPARENTALIGN|CCS_TOP,
+ 0, 0, 0, 0, _hwnd, 0, g_Globals._hInstance, 0);
+
+ REBARBANDINFO rbBand;
+
+ rbBand.cbSize = sizeof(REBARBANDINFO);
+ rbBand.fMask = RBBIM_TEXT|RBBIM_STYLE|RBBIM_CHILD|RBBIM_CHILDSIZE|RBBIM_SIZE|RBBIM_ID|RBBIM_IDEALSIZE;
+ rbBand.cyChild = REBARBAND_HEIGHT;
+ rbBand.cyMaxChild = (ULONG)-1;
+ rbBand.cyMinChild = REBARBAND_HEIGHT;
+ rbBand.cyIntegral = REBARBAND_HEIGHT + 3; //@@ OK?
+ rbBand.fStyle = RBBS_VARIABLEHEIGHT|RBBS_GRIPPERALWAYS|RBBS_HIDETITLE;
+
+ TCHAR QuickLaunchBand[] = _T("Quicklaunch");
+ rbBand.lpText = QuickLaunchBand;
+ rbBand.hwndChild = _hwndQuickLaunch;
+ rbBand.cx = 150;
+ rbBand.cxMinChild = 150;
+ rbBand.wID = IDW_QUICKLAUNCHBAR;
+ SendMessage(_hwndrebar, RB_INSERTBAND, (WPARAM)-1, (LPARAM)&rbBand);
+
+ TCHAR TaskbarBand[] = _T("Taskbar");
+ rbBand.lpText = TaskbarBand;
+ rbBand.hwndChild = _hwndTaskBar;
+ rbBand.cx = 200; //pcs->cx-_taskbar_pos-quicklaunch_width-(notifyarea_width+1);
+ rbBand.cxMinChild = 50;
+ rbBand.wID = IDW_TASKTOOLBAR;
+ SendMessage(_hwndrebar, RB_INSERTBAND, (WPARAM)-1, (LPARAM)&rbBand);
+#endif
+
+
+ RegisterHotkeys();
+
+ // prepare Startmenu, but hide it for now
+ _startMenuRoot = GET_WINDOW(StartMenuRoot, StartMenuRoot::Create(_hwndStartButton, STARTMENUROOT_ICON_SIZE));
+ _startMenuRoot->_hwndStartButton = _hwndStartButton;
+
+ return 0;
+}
+
+
+StartButton::StartButton(HWND hwnd)
+ : PictureButton(hwnd, SmallIcon(IDI_STARTMENU), GetSysColorBrush(COLOR_BTNFACE))
+{
+}
+
+LRESULT StartButton::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
+{
+ switch(nmsg) {
+ // one click activation: handle button-down message, don't wait for button-up
+ case WM_LBUTTONDOWN:
+ if (!Button_GetState(_hwnd)) {
+ Button_SetState(_hwnd, TRUE);
+
+ SetCapture(_hwnd);
+
+ SendMessage(GetParent(_hwnd), WM_COMMAND, MAKEWPARAM(GetDlgCtrlID(_hwnd),0), 0);
+ }
+
+ Button_SetState(_hwnd, FALSE);
+ break;
+
+ // re-target mouse move messages while moving the mouse cursor through the start menu
+ case WM_MOUSEMOVE:
+ if (GetCapture() == _hwnd) {
+ POINT pt = {GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam)};
+
+ ClientToScreen(_hwnd, &pt);
+ HWND hwnd = WindowFromPoint(pt);
+
+ if (hwnd && hwnd!=_hwnd) {
+ ScreenToClient(hwnd, &pt);
+ SendMessage(hwnd, WM_MOUSEMOVE, 0, MAKELPARAM(pt.x, pt.y));
+ }
+ }
+ break;
+
+ case WM_LBUTTONUP:
+ if (GetCapture() == _hwnd) {
+ ReleaseCapture();
+
+ POINT pt = {GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam)};
+
+ ClientToScreen(_hwnd, &pt);
+ HWND hwnd = WindowFromPoint(pt);
+
+ if (hwnd && hwnd!=_hwnd) {
+ ScreenToClient(hwnd, &pt);
+ PostMessage(hwnd, WM_LBUTTONDOWN, 0, MAKELPARAM(pt.x, pt.y));
+ PostMessage(hwnd, WM_LBUTTONUP, 0, MAKELPARAM(pt.x, pt.y));
+ }
+ }
+ break;
+
+ case WM_CANCELMODE:
+ ReleaseCapture();
+ break;
+
+ default:
+ return super::WndProc(nmsg, wparam, lparam);
+ }
+
+ return 0;
+}
+
+
+void DesktopBar::RegisterHotkeys()
+{
+ // register hotkey WIN+E opening explorer
+ RegisterHotKey(_hwnd, IDHK_EXPLORER, MOD_WIN, 'E');
+ RegisterHotKey(_hwnd, IDHK_RUN, MOD_WIN, 'R');
+ RegisterHotKey(_hwnd, IDHK_DESKTOP, MOD_WIN, 'D');
+ RegisterHotKey(_hwnd, IDHK_LOGOFF, MOD_WIN, 'L');
+ RegisterHotKey(_hwnd, IDHK_STARTMENU, MOD_CONTROL, VK_ESCAPE);
+
+ ///@todo register all common hotkeys
+}
+
+void DesktopBar::ProcessHotKey(int id_hotkey)
+{
+ switch(id_hotkey) {
+ case IDHK_EXPLORER:
+ explorer_show_frame(SW_SHOWNORMAL);
+ break;
+
+ case IDHK_RUN:
+ _startMenuRoot->Command(IDC_LAUNCH, 0);
+ break;
+
+ case IDHK_LOGOFF:
+ _startMenuRoot->Command(IDC_LOGOFF, 0);
+ break;
+
+ case IDHK_DESKTOP:
+ g_Globals._desktops.ToggleMinimize();
+ break;
+
+ case IDHK_STARTMENU:
+ ShowOrHideStartMenu();
+ break;
+ ///@todo implement all common hotkeys
+ }
+}
+
+
+LRESULT DesktopBar::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
+{
+ switch(nmsg) {
+ case WM_NCHITTEST: {
+ LRESULT res = super::WndProc(nmsg, wparam, lparam);
+
+ if (res>=HTSIZEFIRST && res<=HTSIZELAST) {
+#ifdef TASKBAR_AT_TOP
+ if (res == HTBOTTOM) // enable vertical resizing at the lower border
+#else
+ if (res == HTTOP) // enable vertical resizing at the upper border
+#endif
+ return res;
+ else
+ return HTCLIENT; // disable any other resizing
+ }
+ return res;}
+
+ case WM_SYSCOMMAND:
+ if ((wparam&0xFFF0) == SC_SIZE) {
+#ifdef TASKBAR_AT_TOP
+ if (wparam == SC_SIZE+6)// enable vertical resizing at the lower border
+#else
+ if (wparam == SC_SIZE+3)// enable vertical resizing at the upper border
+#endif
+ goto def;
+ else
+ return 0; // disable any other resizing
+ } else if (wparam == SC_TASKLIST)
+ ShowOrHideStartMenu();
+ goto def;
+
+ case WM_SIZE:
+ Resize(LOWORD(lparam), HIWORD(lparam));
+ break;
+
+ case WM_SIZING:
+ ControlResize(wparam, lparam);
+ break;
+
+ case PM_RESIZE_CHILDREN: {
+ ClientRect size(_hwnd);
+ Resize(size.right, size.bottom);
+ break;}
+
+ case WM_CLOSE:
+ ShowExitWindowsDialog(_hwnd);
+ break;
+
+ case WM_HOTKEY:
+ ProcessHotKey(wparam);
+ break;
+
+ case WM_COPYDATA:
+ return ProcessCopyData((COPYDATASTRUCT*)lparam);
+
+ case WM_CONTEXTMENU: {
+ POINTS p;
+ p.x = LOWORD(lparam);
+ p.y = HIWORD(lparam);
+ PopupMenu menu(IDM_DESKTOPBAR);
+ SetMenuDefaultItem(menu, 0, MF_BYPOSITION);
+ menu.TrackPopupMenu(_hwnd, p);
+ break;}
+
+ case PM_GET_LAST_ACTIVE:
+ if (_hwndTaskBar)
+ return SendMessage(_hwndTaskBar, nmsg, wparam, lparam);
+ break;
+
+ case PM_REFRESH_CONFIG: ///@todo read desktop bar settings
+ SendMessage(_hwndNotify, PM_REFRESH_CONFIG, 0, 0);
+ break;
+
+ case WM_TIMER:
+ if (wparam == ID_TRAY_VOLUME) {
+ KillTimer(_hwnd, wparam);
+ launch_file(_hwnd, TEXT("sndvol32.exe"), SW_SHOWNORMAL, TEXT("-t")); // launch volume control in small mode
+ }
+ break;
+
+ case PM_GET_NOTIFYAREA:
+ return (LRESULT)(HWND)_hwndNotify;
+
+ case WM_SYSCOLORCHANGE:
+ /* Forward WM_SYSCOLORCHANGE to common controls */
+#ifndef _NO_REBAR
+ SendMessage(_hwndrebar, WM_SYSCOLORCHANGE, 0, 0);
+#endif
+ SendMessage(_hwndQuickLaunch, WM_SYSCOLORCHANGE, 0, 0);
+ SendMessage(_hwndTaskBar, WM_SYSCOLORCHANGE, 0, 0);
+ break;
+
+ default: def:
+ return super::WndProc(nmsg, wparam, lparam);
+ }
+
+ return 0;
+}
+
+int DesktopBar::Notify(int id, NMHDR* pnmh)
+{
+ if (pnmh->code == RBN_CHILDSIZE) {
+ /* align the task bands to the top, so it's in row with the Start button */
+ NMREBARCHILDSIZE* childSize = (NMREBARCHILDSIZE*)pnmh;
+
+ if (childSize->wID == IDW_TASKTOOLBAR) {
+ int cy = childSize->rcChild.top - childSize->rcBand.top;
+
+ if (cy) {
+ childSize->rcChild.bottom -= cy;
+ childSize->rcChild.top -= cy;
+ }
+ }
+ }
+
+ return 0;
+}
+
+void DesktopBar::Resize(int cx, int cy)
+{
+ ///@todo general children resizing algorithm
+ int quicklaunch_width = SendMessage(_hwndQuickLaunch, PM_GET_WIDTH, 0, 0);
+ int notifyarea_width = SendMessage(_hwndNotify, PM_GET_WIDTH, 0, 0);
+
+ HDWP hdwp = BeginDeferWindowPos(3);
+
+ if (_hwndrebar)
+ DeferWindowPos(hdwp, _hwndrebar, 0, _taskbar_pos, 1, cx-_taskbar_pos-(notifyarea_width+1), cy-2, SWP_NOZORDER|SWP_NOACTIVATE);
+ else {
+ if (_hwndQuickLaunch)
+ DeferWindowPos(hdwp, _hwndQuickLaunch, 0, _taskbar_pos, 1, quicklaunch_width, cy-2, SWP_NOZORDER|SWP_NOACTIVATE);
+
+ if (_hwndTaskBar)
+ DeferWindowPos(hdwp, _hwndTaskBar, 0, _taskbar_pos+quicklaunch_width, 0, cx-_taskbar_pos-quicklaunch_width-(notifyarea_width+1), cy, SWP_NOZORDER|SWP_NOACTIVATE);
+ }
+
+ if (_hwndNotify)
+ DeferWindowPos(hdwp, _hwndNotify, 0, cx-(notifyarea_width+1), 1, notifyarea_width, cy-2, SWP_NOZORDER|SWP_NOACTIVATE);
+
+ EndDeferWindowPos(hdwp);
+
+ WindowRect rect(_hwnd);
+ RECT work_area = {0, 0, GetSystemMetrics(SM_CXSCREEN), rect.top};
+ SystemParametersInfo(SPI_SETWORKAREA, 0, &work_area, 0); // don't use SPIF_SENDCHANGE because then we have to wait for any message being delivered
+ PostMessage(HWND_BROADCAST, WM_SETTINGCHANGE, SPI_SETWORKAREA, 0);
+}
+
+
+int DesktopBar::Command(int id, int code)
+{
+ switch(id) {
+ case IDC_START:
+ ShowOrHideStartMenu();
+ break;
+
+ case ID_ABOUT_EXPLORER:
+ explorer_about(g_Globals._hwndDesktop);
+ break;
+
+ case ID_DESKTOPBAR_SETTINGS:
+ ExplorerPropertySheet(g_Globals._hwndDesktop);
+ break;
+
+ case ID_MINIMIZE_ALL:
+ g_Globals._desktops.ToggleMinimize();
+ break;
+
+ case ID_EXPLORE:
+ explorer_show_frame(SW_SHOWNORMAL);
+ break;
+
+ case ID_TASKMGR:
+ launch_file(_hwnd, TEXT("taskmgr.exe"), SW_SHOWNORMAL);
+ break;
+
+ case ID_SWITCH_DESKTOP_1:
+ case ID_SWITCH_DESKTOP_1+1:
+ case ID_SWITCH_DESKTOP_1+2:
+ case ID_SWITCH_DESKTOP_1+3: {
+ int desktop_idx = id - ID_SWITCH_DESKTOP_1;
+
+ g_Globals._desktops.SwitchToDesktop(desktop_idx);
+
+ if (_hwndQuickLaunch)
+ PostMessage(_hwndQuickLaunch, PM_UPDATE_DESKTOP, desktop_idx, 0);
+ break;}
+
+#ifdef __REACTOS__
+ case ID_TRAY_VOLUME:
+ launch_file(_hwnd, TEXT("sndvol32.exe"), SW_SHOWNORMAL); // launch volume control application
+ break;
+
+ case ID_VOLUME_PROPERTIES:
+ launch_cpanel(_hwnd, TEXT("mmsys.cpl"));
+ break;
+#endif
+
+ default:
+ if (_hwndQuickLaunch)
+ return SendMessage(_hwndQuickLaunch, WM_COMMAND, MAKEWPARAM(id,code), 0);
+ else
+ return 1;
+ }
+
+ return 0;
+}
+
+
+void DesktopBar::ShowOrHideStartMenu()
+{
+ if (_startMenuRoot)
+ {
+ // set the Button, if not set
+ if (!Button_GetState(_hwndStartButton))
+ Button_SetState(_hwndStartButton, TRUE);
+
+ if (_startMenuRoot->IsStartMenuVisible())
+ _startMenuRoot->CloseStartMenu();
+ else
+ _startMenuRoot->TrackStartmenu();
+
+ // StartMenu was closed, release button state
+ Button_SetState(_hwndStartButton, false);
+ }
+}
+
+
+ /// copy data structure for tray notifications
+struct TrayNotifyCDS {
+ DWORD cookie;
+ DWORD notify_code;
+ NOTIFYICONDATA nicon_data;
+};
+
+LRESULT DesktopBar::ProcessCopyData(COPYDATASTRUCT* pcd)
+{
+ // Is this a tray notification message?
+ if (pcd->dwData == 1) {
+ TrayNotifyCDS* ptr = (TrayNotifyCDS*) pcd->lpData;
+
+ NotifyArea* notify_area = GET_WINDOW(NotifyArea, _hwndNotify);
+
+ if (notify_area)
+ return notify_area->ProcessTrayNotification(ptr->notify_code, &ptr->nicon_data);
+ }
+
+ return FALSE;
+}
+
+
+void DesktopBar::ControlResize(WPARAM wparam, LPARAM lparam)
+{
+ PRECT dragRect = (PRECT) lparam;
+ //int screenWidth = GetSystemMetrics(SM_CXSCREEN);
+ int screenHeight = GetSystemMetrics(SM_CYSCREEN);
+
+ ///@todo write code for taskbar being at sides or top.
+
+ switch(wparam) {
+ case WMSZ_BOTTOM: ///@todo Taskbar is at the top of the screen
+ break;
+
+ case WMSZ_TOP: // Taskbar is at the bottom of the screen
+ dragRect->top = screenHeight - (((screenHeight - dragRect->top) + DESKTOPBARBAR_HEIGHT/2) / DESKTOPBARBAR_HEIGHT) * DESKTOPBARBAR_HEIGHT;
+ if (dragRect->top < screenHeight / 2)
+ dragRect->top = screenHeight - (screenHeight/2 / DESKTOPBARBAR_HEIGHT * DESKTOPBARBAR_HEIGHT);
+ else if (dragRect->top > screenHeight - 5)
+ dragRect->top = screenHeight - 5;
+ break;
+
+ case WMSZ_RIGHT: ///@todo Taskbar is at the left of the screen
+ break;
+
+ case WMSZ_LEFT: ///@todo Taskbar is at the right of the screen
+ break;
+ }
+}
+
+
+#ifdef __REACTOS__
+
+void DesktopBar::AddTrayIcons()
+{
+ _trayIcon.Add(SmallIcon(IDI_SPEAKER), ResString(IDS_VOLUME));
+}
+
+void DesktopBar::TrayClick(UINT id, int btn)
+{
+ switch(id) {
+ case ID_TRAY_VOLUME:
+ if (btn == TRAYBUTTON_LEFT)
+ SetTimer(_hwnd, ID_TRAY_VOLUME, 500, NULL); // wait a bit to correctly handle double clicks
+ else {
+ PopupMenu menu(IDM_VOLUME);
+ SetMenuDefaultItem(menu, 0, MF_BYPOSITION);
+ menu.TrackPopupMenuAtPos(_hwnd, GetMessagePos());
+ }
+ break;
+ }
+}
+
+void DesktopBar::TrayDblClick(UINT id, int btn)
+{
+ switch(id) {
+ case ID_TRAY_VOLUME:
+ KillTimer(_hwnd, ID_TRAY_VOLUME); // finish one-click timer
+ launch_file(_hwnd, TEXT("sndvol32.exe"), SW_SHOWNORMAL); // launch volume control application
+ break;
+ }
+}
+
+#endif