Sweden-Number/dlls/comctl32/hotkey.c

502 lines
12 KiB
C

/*
* Hotkey control
*
* Copyright 1998, 1999 Eric Kohl
* Copyright 2002 Gyorgy 'Nog' Jeney
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* TODO:
* - What are we meant to do with the WM_CHAR message?
*/
#include <string.h>
#include "winbase.h"
#include "commctrl.h"
#include "comctl32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(hotkey);
typedef struct tagHOTKEY_INFO
{
HWND hwndSelf;
HFONT hFont;
BOOL bFocus;
INT nHeight;
WORD HotKey;
WORD InvComb;
WORD InvMod;
BYTE CurrMod;
INT CaretPos;
DWORD ScanCode;
WCHAR strNone[15]; /* hope its long enough ... */
} HOTKEY_INFO;
#define HOTKEY_GetInfoPtr(hwnd) ((HOTKEY_INFO *)GetWindowLongA (hwnd, 0))
static const WCHAR HOTKEY_plussep[] = { ' ', '+', ' ' };
#define IsOnlySet(flags) (infoPtr->CurrMod == (flags))
static BOOL
HOTKEY_IsCombInv(HOTKEY_INFO *infoPtr)
{
TRACE("(infoPtr=%p)\n", infoPtr);
if((infoPtr->InvComb & HKCOMB_NONE) && !infoPtr->CurrMod)
return TRUE;
if((infoPtr->InvComb & HKCOMB_S) && IsOnlySet(HOTKEYF_SHIFT))
return TRUE;
if((infoPtr->InvComb & HKCOMB_C) && IsOnlySet(HOTKEYF_CONTROL))
return TRUE;
if((infoPtr->InvComb & HKCOMB_A) && IsOnlySet(HOTKEYF_ALT))
return TRUE;
if((infoPtr->InvComb & HKCOMB_SC) &&
IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_CONTROL))
return TRUE;
if((infoPtr->InvComb & HKCOMB_SA) && IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_ALT))
return TRUE;
if((infoPtr->InvComb & HKCOMB_CA) &&
IsOnlySet(HOTKEYF_CONTROL | HOTKEYF_ALT))
return TRUE;
if((infoPtr->InvComb & HKCOMB_SCA) &&
IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_CONTROL | HOTKEYF_ALT))
return TRUE;
TRACE("() Modifiers are valid\n");
return FALSE;
}
#undef IsOnlySet
static void
HOTKEY_DrawHotKey(HOTKEY_INFO *infoPtr, LPCWSTR KeyName, WORD NameLen,
LPRECT rc, HDC hdc)
{
SIZE TextSize;
DWORD dwExStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_EXSTYLE);
/* We have to allow some space for the frame to be drawn */
rc->left += 2;
rc->top++;
DrawTextW(hdc, KeyName, NameLen, rc, DT_LEFT | DT_VCENTER);
rc->left -= 2;
rc->top--;
if(dwExStyle & WS_EX_CLIENTEDGE)
DrawEdge(hdc, rc, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
/* Get the text size and position the caret accordingly */
GetTextExtentPoint32W (hdc, KeyName, NameLen, &TextSize);
infoPtr->CaretPos = TextSize.cx + 2;
SetCaretPos(infoPtr->CaretPos, 3);
}
/* Draw the names of the keys in the control */
static void
HOTKEY_Refresh(HOTKEY_INFO *infoPtr, HDC hdc)
{
WCHAR KeyName[sizeof(WCHAR) * 64];
WORD NameLen = 0;
BYTE Modifier;
RECT rc;
GetClientRect(infoPtr->hwndSelf, &rc);
TRACE("(infoPtr=%p hdc=%p)\n", infoPtr, hdc);
if(!infoPtr->CurrMod && !infoPtr->HotKey) {
HOTKEY_DrawHotKey (infoPtr, infoPtr->strNone, 4, &rc, hdc);
return;
}
if(infoPtr->HotKey)
Modifier = HIBYTE(infoPtr->HotKey);
else if(HOTKEY_IsCombInv(infoPtr))
Modifier = infoPtr->InvMod;
else
Modifier = infoPtr->CurrMod;
if(Modifier & HOTKEYF_CONTROL) {
GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_CONTROL, 0)),
KeyName, 64);
NameLen = lstrlenW(KeyName);
memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
NameLen += 3;
}
if(Modifier & HOTKEYF_SHIFT) {
GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_SHIFT, 0)),
&KeyName[NameLen], 64 - NameLen);
NameLen = lstrlenW(KeyName);
memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
NameLen += 3;
}
if(Modifier & HOTKEYF_ALT) {
GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_MENU, 0)),
&KeyName[NameLen], 64 - NameLen);
NameLen = lstrlenW(KeyName);
memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
NameLen += 3;
}
if(infoPtr->HotKey) {
GetKeyNameTextW(infoPtr->ScanCode, &KeyName[NameLen], 64 - NameLen);
NameLen = lstrlenW(KeyName);
}
else
KeyName[NameLen] = 0;
HOTKEY_DrawHotKey (infoPtr, KeyName, NameLen, &rc, hdc);
}
static void
HOTKEY_Paint(HOTKEY_INFO *infoPtr, HDC hdc)
{
if (hdc)
HOTKEY_Refresh(infoPtr, hdc);
else {
PAINTSTRUCT ps;
hdc = BeginPaint (infoPtr->hwndSelf, &ps);
HOTKEY_Refresh (infoPtr, hdc);
EndPaint (infoPtr->hwndSelf, &ps);
}
}
static LRESULT
HOTKEY_GetHotKey(HOTKEY_INFO *infoPtr)
{
TRACE("(infoPtr=%p) Modifiers: 0x%x, Virtual Key: %d\n", infoPtr,
HIBYTE(infoPtr->HotKey), LOBYTE(infoPtr->HotKey));
return (LRESULT)infoPtr->HotKey;
}
static void
HOTKEY_SetHotKey(HOTKEY_INFO *infoPtr, WPARAM wParam)
{
infoPtr->HotKey = (WORD)wParam;
infoPtr->ScanCode =
MAKELPARAM(0, MapVirtualKeyW(LOBYTE(infoPtr->HotKey), 0));
TRACE("(infoPtr=%p wParam=%x) Modifiers: 0x%x, Virtual Key: %d\n", infoPtr,
wParam, HIBYTE(infoPtr->HotKey), LOBYTE(infoPtr->HotKey));
InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
}
static void
HOTKEY_SetRules(HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
infoPtr->InvComb = (WORD)wParam;
infoPtr->InvMod = (WORD)lParam;
TRACE("(infoPtr=%p) Invalid Modifers: 0x%x, If Invalid: 0x%x\n", infoPtr,
infoPtr->InvComb, infoPtr->InvMod);
}
/* << HOTKEY_Char >> */
static LRESULT
HOTKEY_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HOTKEY_INFO *infoPtr;
TEXTMETRICW tm;
HDC hdc;
/* allocate memory for info structure */
infoPtr = (HOTKEY_INFO *)COMCTL32_Alloc (sizeof(HOTKEY_INFO));
SetWindowLongW (hwnd, 0, (DWORD)infoPtr);
/* initialize info structure */
infoPtr->HotKey = infoPtr->InvComb = infoPtr->InvMod = infoPtr->CurrMod = 0;
infoPtr->CaretPos = 2;
infoPtr->hwndSelf = hwnd;
LoadStringW(COMCTL32_hModule, HKY_NONE, infoPtr->strNone, 15);
/* get default font height */
hdc = GetDC (hwnd);
GetTextMetricsW (hdc, &tm);
infoPtr->nHeight = tm.tmHeight;
ReleaseDC (hwnd, hdc);
return 0;
}
static LRESULT
HOTKEY_Destroy (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
HWND hwnd = infoPtr->hwndSelf;
/* free hotkey info data */
COMCTL32_Free (infoPtr);
SetWindowLongW (hwnd, 0, 0);
return 0;
}
static LRESULT
HOTKEY_EraseBackground (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
HBRUSH hBrush;
RECT rc;
hBrush =
(HBRUSH)SendMessageW (GetParent (infoPtr->hwndSelf), WM_CTLCOLOREDIT,
wParam, (LPARAM)infoPtr->hwndSelf);
if (hBrush)
hBrush = (HBRUSH)GetStockObject (WHITE_BRUSH);
GetClientRect (infoPtr->hwndSelf, &rc);
FillRect ((HDC)wParam, &rc, hBrush);
return -1;
}
inline static LRESULT
HOTKEY_GetFont (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
return (LRESULT)infoPtr->hFont;
}
static LRESULT
HOTKEY_KeyDown (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
TRACE("() Key: %d\n", wParam);
/* If any key is Pressed, we have to reset the hotkey in the control */
infoPtr->HotKey = 0;
switch (wParam) {
case VK_RETURN:
case VK_TAB:
case VK_SPACE:
case VK_DELETE:
case VK_ESCAPE:
case VK_BACK:
InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
return DefWindowProcW (infoPtr->hwndSelf, WM_KEYDOWN, wParam,
lParam);
case VK_SHIFT:
infoPtr->CurrMod |= HOTKEYF_SHIFT;
break;
case VK_CONTROL:
infoPtr->CurrMod |= HOTKEYF_CONTROL;
break;
case VK_MENU:
infoPtr->CurrMod |= HOTKEYF_ALT;
break;
default:
if(HOTKEY_IsCombInv(infoPtr))
infoPtr->HotKey = MAKEWORD(wParam, infoPtr->InvMod);
else
infoPtr->HotKey = MAKEWORD(wParam, infoPtr->CurrMod);
infoPtr->ScanCode = lParam;
break;
}
InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
return 0;
}
static LRESULT
HOTKEY_KeyUp (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
TRACE("() Key: %d\n", wParam);
switch (wParam) {
case VK_SHIFT:
infoPtr->CurrMod &= ~HOTKEYF_SHIFT;
break;
case VK_CONTROL:
infoPtr->CurrMod &= ~HOTKEYF_CONTROL;
break;
case VK_MENU:
infoPtr->CurrMod &= ~HOTKEYF_ALT;
break;
default:
return 1;
}
InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
return 0;
}
static LRESULT
HOTKEY_KillFocus (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
infoPtr->bFocus = FALSE;
DestroyCaret ();
return 0;
}
static LRESULT
HOTKEY_LButtonDown (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
SetFocus (infoPtr->hwndSelf);
return 0;
}
inline static LRESULT
HOTKEY_NCCreate (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
DWORD dwExStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_EXSTYLE);
SetWindowLongW (infoPtr->hwndSelf, GWL_EXSTYLE,
dwExStyle | WS_EX_CLIENTEDGE);
return DefWindowProcW (infoPtr->hwndSelf, WM_NCCREATE, wParam, lParam);
}
static LRESULT
HOTKEY_SetFocus (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
infoPtr->bFocus = TRUE;
CreateCaret (infoPtr->hwndSelf, (HBITMAP)0, 1, infoPtr->nHeight - 2);
SetCaretPos (infoPtr->CaretPos, 3);
ShowCaret (infoPtr->hwndSelf);
return 0;
}
inline static LRESULT
HOTKEY_SetFont (HOTKEY_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
TEXTMETRICW tm;
HDC hdc;
HFONT hOldFont = 0;
infoPtr->hFont = (HFONT)wParam;
hdc = GetDC (infoPtr->hwndSelf);
if (infoPtr->hFont)
hOldFont = SelectObject (hdc, infoPtr->hFont);
GetTextMetricsW (hdc, &tm);
infoPtr->nHeight = tm.tmHeight;
if (infoPtr->hFont)
SelectObject (hdc, hOldFont);
ReleaseDC (infoPtr->hwndSelf, hdc);
if (LOWORD(lParam))
InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
return 0;
}
static LRESULT WINAPI
HOTKEY_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HOTKEY_INFO *infoPtr = HOTKEY_GetInfoPtr (hwnd);
TRACE("hwnd=%p msg=%x wparam=%x lparam=%lx\n", hwnd, uMsg, wParam, lParam);
if (!infoPtr && (uMsg != WM_CREATE))
return DefWindowProcW (hwnd, uMsg, wParam, lParam);
switch (uMsg)
{
case HKM_GETHOTKEY:
return HOTKEY_GetHotKey (infoPtr);
case HKM_SETHOTKEY:
HOTKEY_SetHotKey (infoPtr, wParam);
break;
case HKM_SETRULES:
HOTKEY_SetRules (infoPtr, wParam, lParam);
break;
/* case WM_CHAR: */
case WM_CREATE:
return HOTKEY_Create (hwnd, wParam, lParam);
case WM_DESTROY:
return HOTKEY_Destroy (infoPtr, wParam, lParam);
case WM_ERASEBKGND:
return HOTKEY_EraseBackground (infoPtr, wParam, lParam);
case WM_GETDLGCODE:
return DLGC_WANTCHARS | DLGC_WANTARROWS;
case WM_GETFONT:
return HOTKEY_GetFont (infoPtr, wParam, lParam);
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
return HOTKEY_KeyDown (infoPtr, wParam, lParam);
case WM_KEYUP:
case WM_SYSKEYUP:
return HOTKEY_KeyUp (infoPtr, wParam, lParam);
case WM_KILLFOCUS:
return HOTKEY_KillFocus (infoPtr, wParam, lParam);
case WM_LBUTTONDOWN:
return HOTKEY_LButtonDown (infoPtr, wParam, lParam);
case WM_NCCREATE:
return HOTKEY_NCCreate (infoPtr, wParam, lParam);
case WM_PAINT:
HOTKEY_Paint(infoPtr, (HDC)wParam);
return 0;
case WM_SETFOCUS:
return HOTKEY_SetFocus (infoPtr, wParam, lParam);
case WM_SETFONT:
return HOTKEY_SetFont (infoPtr, wParam, lParam);
/* case WM_SYSCHAR: */
default:
if ((uMsg >= WM_USER) && (uMsg < WM_APP))
ERR("unknown msg %04x wp=%08x lp=%08lx\n",
uMsg, wParam, lParam);
return DefWindowProcW (hwnd, uMsg, wParam, lParam);
}
return 0;
}
void
HOTKEY_Register (void)
{
WNDCLASSW wndClass;
ZeroMemory (&wndClass, sizeof(WNDCLASSW));
wndClass.style = CS_GLOBALCLASS;
wndClass.lpfnWndProc = (WNDPROC)HOTKEY_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(HOTKEY_INFO *);
wndClass.hCursor = 0;
wndClass.hbrBackground = 0;
wndClass.lpszClassName = HOTKEY_CLASSW;
RegisterClassW (&wndClass);
}
void
HOTKEY_Unregister (void)
{
UnregisterClassW (HOTKEY_CLASSW, (HINSTANCE)NULL);
}