#include "../kbswitch.h"

Include dependency graph for kbsdll.c:

Functions
static VOID	PostMessageToMainWnd (UINT Msg, WPARAM wParam, LPARAM lParam)

LRESULT CALLBACK	WinHookProc (int code, WPARAM wParam, LPARAM lParam)

LRESULT CALLBACK	ShellHookProc (int code, WPARAM wParam, LPARAM lParam)

BOOL WINAPI	KbSwitchSetHooks (VOID)

VOID WINAPI	KbSwitchDeleteHooks (VOID)

BOOL WINAPI	DllMain (IN HINSTANCE hinstDLL, IN DWORD dwReason, IN LPVOID lpvReserved)

Variables
HHOOK	hWinHook = NULL

HHOOK	hShellHook = NULL

HINSTANCE	hInstance = NULL

HWND	hKbSwitchWnd = NULL

Function Documentation

◆ DllMain()

BOOL WINAPI DllMain	(	IN HINSTANCE	hinstDLL,
		IN DWORD	dwReason,
		IN LPVOID	lpvReserved
	)

Definition at line 95 of file kbsdll.c.

{
    switch (dwReason)
    {
        case DLL_PROCESS_ATTACH:
        {
            hInstance = hinstDLL;
            hKbSwitchWnd = FindWindow(szKbSwitcherName, NULL);
            if (!hKbSwitchWnd)
            {
                return FALSE;
            }
        }
        break;
    }
 
    return TRUE;
}

◆ KbSwitchDeleteHooks()

VOID WINAPI KbSwitchDeleteHooks ( VOID )

Definition at line 80 of file kbsdll.c.

{
    if (hWinHook)
    {
        UnhookWindowsHookEx(hWinHook);
        hWinHook = NULL;
    }
    if (hShellHook)
    {
        UnhookWindowsHookEx(hShellHook);
        hShellHook = NULL;
    }
}

◆ KbSwitchSetHooks()

BOOL WINAPI KbSwitchSetHooks ( VOID )

Definition at line 66 of file kbsdll.c.

{
    hWinHook = SetWindowsHookEx(WH_CBT, WinHookProc, hInstance, 0);
    hShellHook = SetWindowsHookEx(WH_SHELL, ShellHookProc, hInstance, 0);
 
    if (!hWinHook || !hShellHook)
    {
        return FALSE;
    }
 
    return TRUE;
}

◆ PostMessageToMainWnd()

static VOID PostMessageToMainWnd	(	UINT	Msg,
		WPARAM	wParam,
		LPARAM	lParam
	)

static

Definition at line 16 of file kbsdll.c.

{
    PostMessage(hKbSwitchWnd, Msg, wParam, lParam);
}

Referenced by ShellHookProc(), and WinHookProc().

◆ ShellHookProc()

LRESULT CALLBACK ShellHookProc	(	int	code,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 46 of file kbsdll.c.

{
    if (code < 0)
    {
        return CallNextHookEx(hShellHook, code, wParam, lParam);
    }
 
    switch (code)
    {
        case HSHELL_LANGUAGE:
        {
            PostMessageToMainWnd(WM_LANG_CHANGED, wParam, lParam);
        }
        break;
    }
 
    return CallNextHookEx(hShellHook, code, wParam, lParam);
}

Referenced by KbSwitchSetHooks().

◆ WinHookProc()

LRESULT CALLBACK WinHookProc	(	int	code,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 22 of file kbsdll.c.

{
    if (code < 0)
    {
        return CallNextHookEx(hWinHook, code, wParam, lParam);
    }
 
    switch (code)
    {
        case HCBT_SETFOCUS:
        {
            HWND hwndFocus = (HWND)wParam;
            if (hwndFocus && hwndFocus != hKbSwitchWnd)
            {
                PostMessageToMainWnd(WM_WINDOW_ACTIVATE, wParam, lParam);
            }
        }
        break;
    }
 
    return CallNextHookEx(hWinHook, code, wParam, lParam);
}