reactos/modules/rosapps/applications/explorer-old/taskbar/desktopbar.cpp

590 lines
15 KiB
C++

/*
* 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