Desktop.cpp File Reference

#include "Desktop.h"
#include <gdiplus.h>

Functions
LRESULT CALLBACK	DesktopWndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)

Variables
const char	szDesktopName [] = "BBDesktop"
Desktop *	pDesktop
Settings *	pSettings
MenuCommon *	pMenuCommon
Toolbar *	pToolbar
Taskbar *	pTaskbar
Workspaces *	pWorkspaces
int	desktopMessageSubscription [] = { BB_RECONFIGURE, BB_WINDOWSHADE, BB_WINDOWLOWER, BB_WINDOWRAISE, BB_WINDOWGROWHEIGHT, BB_WINDOWGROWWIDTH, 0 }

Function Documentation

DesktopWndProc()

LRESULT CALLBACK DesktopWndProc	(	HWND	hwnd,
		UINT	message,
		WPARAM	wParam,
		LPARAM	lParam )

{
 
    switch (message)
    {
        //====================
 
        case BB_RECONFIGURE:
        case WM_DISPLAYCHANGE:
        {
            // Update the desktop's dimensions if the screen resolution changes...
            pDesktop->GetClockText(true);
            pDesktop->GetGreetingText(true);
            pDesktop->UpdateDesktopWindow();
 
            if (message == BB_RECONFIGURE) PlaySoundFX(SFX_RECONFIGURE);
            else if (message == WM_DISPLAYCHANGE)
            {
                int tempMonitors = GetSystemMetrics(SM_CMONITORS);
                if (pDesktop->numberOfDisplayMonitors != tempMonitors)
                {
                    char msg[255];
                    if (tempMonitors > pDesktop->numberOfDisplayMonitors) strcpy(msg, "System -> Display monitor attached.");
                    else if (tempMonitors < pDesktop->numberOfDisplayMonitors) strcpy(msg, "System -> Display monitor removed.");
                    SendMessage(GetBBWnd(), BB_CONSOLEMESSAGE, (WPARAM)CONSOLE_REGULAR_MESSAGE, (LPARAM)msg);
 
                    pDesktop->numberOfDisplayMonitors = tempMonitors;
                }
            }
            break;
        }
 
        case WM_SETTINGCHANGE:
        {
            if (wParam == SPI_SETWORKAREA)
            {
                // Update the desktop's dimensions and position if the work area changes...
                // (e.g. if the Explorer taskbar is moved to another screen edge)
                pDesktop->UpdateDesktopWindow();
 
                // ...and notify plugins that the desktop work area has changed...
                SendMessage(GetBBWnd(), BB_REDRAWGUI, BBRG_DESKTOP, 0);
            }
            return 0;
        }
/*
        case WM_WINDOWPOSCHANGED:
        {
            // Move the desktop window back to the bottom of the z-order if its place in it changes...
//          SetWindowPos(pDesktop->hDesktopWnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOREDRAW | SWP_NOACTIVATE | SWP_NOSENDCHANGING);
//          SetWindowPos(pDesktop->hDesktopWnd, GetDesktopWindow(), 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOREDRAW | SWP_NOACTIVATE | SWP_NOSENDCHANGING);
//          SetWindowPos(pDesktop->hDesktopWnd, GetDesktopWindow(), pDesktop->DesktopX, pDesktop->DesktopX, pDesktop->DesktopWidth, pDesktop->DesktopHeight, SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOSENDCHANGING);
//          SetWindowPos(pDesktop->hDesktopWnd, GetDesktopWindow(), 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOMOVE | SWP_NOREDRAW | SWP_NOSENDCHANGING | SWP_NOOWNERZORDER);
            if (pSettings->debugLogging) SendMessage(GetBBWnd(), BB_CONSOLEMESSAGE, (WPARAM)CONSOLE_REGULAR_MESSAGE, (LPARAM)"WM_WINDOWPOSCHANGED");
//          if (pSettings->debugLogging) Log("Desktop: WM_WINDOWPOSCHANGED", "");
            return 0;
        }
*/
/*
        case WM_GETMINMAXINFO:
        {
            // Not sure if this is really needed since we don't allow the desktop window to be moved/resized anyway, but just in case... ;)
            MINMAXINFO* mmi = (MINMAXINFO*)lParam;
            mmi->ptMaxPosition.x = pDesktop->DesktopX;
            mmi->ptMaxPosition.y = pDesktop->DesktopY;
            mmi->ptMaxSize.x = pDesktop->DesktopWidth;
            mmi->ptMaxSize.y = pDesktop->DesktopHeight;
            return 0;
        }
*/
        //====================
 
        case WM_TIMER:
        {
            // Is it time to update the desktop clock/weekday/date?
            if (!pSettings->desktopClockHidden || !pSettings->desktopWeekdayHidden || !pSettings->desktopDateHidden || !pSettings->desktopGreetingHidden)
            {
                if (pDesktop->GetClockText(false))
                {
                    // Clock timestamp has changed; update the other widgets too, then the Desktop...
                    pDesktop->GetGreetingText(true);
                    pDesktop->UpdateDesktopWindow();
                }
            }
            return 0;
        }
 
        //====================
 
        case WM_CLOSE:
            return 0;
 
        //====================
 
        case WM_MOUSEACTIVATE:
            return MA_NOACTIVATE;
/*
        case WM_ACTIVATE:
        {
            if (LOWORD(wParam) == WA_ACTIVE || LOWORD(wParam) == WA_CLICKACTIVE) SetActiveWindow(hwnd);
            return 0;
        }
        break;
*/
        //====================
 
        case WM_NCHITTEST:
            return HTCLIENT;
 
        case WM_LBUTTONDOWN:
        case WM_LBUTTONUP:
//      case WM_LBUTTONDBLCLK:
        case WM_RBUTTONDOWN:
        case WM_RBUTTONUP:
        case WM_MBUTTONDOWN:
        case WM_MBUTTONUP:
        case WM_XBUTTONDOWN:
        case WM_XBUTTONUP:
        case WM_MOUSEWHEEL:
        case WM_MOUSEHWHEEL:
        case WM_DROPFILES:
        {
            // First we set focus to the main Blackbox window, in order to prevent the
            // focus from going back to the previous task after e.g. the menu is closed...
            SetForegroundWindow(GetBBWnd());
            pDesktop->MouseAndDropHandler(pDesktop->hDesktopWnd, message, wParam, lParam);
            return 0;
        }
        break;
 
        //====================
 
        case BB_WINDOWSHADE:
            pDesktop->ShadeWindow();
            break;
        case BB_WINDOWGROWHEIGHT:
            pDesktop->GrowWindowHeight();
            break;
        case BB_WINDOWGROWWIDTH:
            pDesktop->GrowWindowWidth();
            break;
        case BB_WINDOWLOWER:
            pDesktop->LowerWindow();
            break;
        case BB_WINDOWRAISE:
            pDesktop->RaiseWindow();
            break;
 
        //====================
 
        default:
            return DefWindowProc(hwnd, message, wParam, lParam);
 
        //====================
    }
 
    return 0;
}

Variable Documentation

szDesktopName

const char szDesktopName[] = "BBDesktop"

pDesktop

Desktop* pDesktop

extern

pSettings

Settings* pSettings

extern

pMenuCommon

MenuCommon* pMenuCommon

extern

pToolbar

Toolbar* pToolbar

extern

pTaskbar

Taskbar* pTaskbar

extern

pWorkspaces

Workspaces* pWorkspaces

extern

desktopMessageSubscription

int desktopMessageSubscription[] = { BB_RECONFIGURE, BB_WINDOWSHADE, BB_WINDOWLOWER, BB_WINDOWRAISE, BB_WINDOWGROWHEIGHT, BB_WINDOWGROWWIDTH, 0 }

{ BB_RECONFIGURE, BB_WINDOWSHADE, BB_WINDOWLOWER, BB_WINDOWRAISE, BB_WINDOWGROWHEIGHT, BB_WINDOWGROWWIDTH, 0 };