Implemented the ACO_AUTOSUGGEST, ACO_AUTOAPPEND, ACO_UPDOWNKEYDROPSLIST

styles.
oldstable
Maxime Bellengé 2004-04-26 20:06:24 +00:00 committed by Alexandre Julliard
parent 6d58de6374
commit e2a90d9d52
1 changed files with 268 additions and 6 deletions

View File

@ -18,6 +18,22 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
Implemented:
- ACO_AUTOAPPEND style
- ACO_AUTOSUGGEST style
- ACO_UPDOWNKEYDROPSLIST style
TODO:
- implement ACO_SEARCH style
- implement ACO_FILTERPREFIXES style
- implement ACO_USETAB style
- implement ACO_RTLREADING style
- Handle pwzsRegKeyPath and pwszQuickComplete in Init.
*/
#include "config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
@ -36,6 +52,8 @@
#include "shldisp.h"
#include "debughlp.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
typedef struct
@ -44,6 +62,12 @@ typedef struct
ICOM_VTABLE (IAutoComplete2) * lpvtblAutoComplete2;
DWORD ref;
BOOL enable;
HWND hwndEdit;
HWND hwndListBox;
WNDPROC wpOrigEditProc;
WNDPROC wpOrigLBoxProc;
WCHAR *txtbackup;
IEnumString *enumstr;
AUTOCOMPLETEOPTIONS options;
} IAutoCompleteImpl;
@ -59,6 +83,9 @@ static struct ICOM_VTABLE(IAutoComplete2) ac2vt;
#define _IUnknown_(This) (IUnknown*)&(This->lpVtbl)
#define _IAutoComplete2_(This) (IAutoComplete2*)&(This->lpvtblAutoComplete2)
static LRESULT APIENTRY ACEditSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
static LRESULT APIENTRY ACLBoxSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
/**************************************************************************
* IAutoComplete_Constructor
*/
@ -78,6 +105,11 @@ HRESULT WINAPI IAutoComplete_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVO
lpac->lpVtbl = &acvt;
lpac->lpvtblAutoComplete2 = &ac2vt;
lpac->enable = TRUE;
lpac->enumstr = NULL;
lpac->options = ACO_AUTOAPPEND;
lpac->wpOrigEditProc = NULL;
lpac->hwndListBox = NULL;
lpac->txtbackup = NULL;
if (!SUCCEEDED (IUnknown_QueryInterface (_IUnknown_ (lpac), riid, ppv))) {
IUnknown_Release (_IUnknown_ (lpac));
@ -149,6 +181,12 @@ static ULONG WINAPI IAutoComplete_fnRelease(
if (!--(This->ref)) {
TRACE(" destroying IAutoComplete(%p)\n",This);
if (This->txtbackup)
HeapFree(GetProcessHeap(), 0, This->txtbackup);
if (This->hwndListBox)
DestroyWindow(This->hwndListBox);
if (This->enumstr)
IEnumString_Release(This->enumstr);
HeapFree(GetProcessHeap(), 0, This);
return 0;
}
@ -184,13 +222,53 @@ static HRESULT WINAPI IAutoComplete_fnInit(
LPCOLESTR pwszQuickComplete)
{
ICOM_THIS(IAutoCompleteImpl, iface);
HRESULT hr = E_NOTIMPL;
static const WCHAR lbName[] = {'L','i','s','t','B','o','x',0};
FIXME("(%p)->(0x%08lx, %p, %s, %s) not implemented\n",
TRACE("(%p)->(0x%08lx, %p, %s, %s)\n",
This, (long)hwndEdit, punkACL, debugstr_w(pwzsRegKeyPath), debugstr_w(pwszQuickComplete));
return hr;
if (This->options & ACO_AUTOSUGGEST) TRACE(" ACO_AUTOSUGGEST\n");
if (This->options & ACO_AUTOAPPEND) TRACE(" ACO_AUTOAPPEND\n");
if (This->options & ACO_SEARCH) FIXME(" ACO_SEARCH not supported\n");
if (This->options & ACO_FILTERPREFIXES) FIXME(" ACO_FILTERPREFIXES not supported\n");
if (This->options & ACO_USETAB) FIXME(" ACO_USETAB not supported\n");
if (This->options & ACO_UPDOWNKEYDROPSLIST) TRACE(" ACO_UPDOWNKEYDROPSLIST\n");
if (This->options & ACO_RTLREADING) FIXME(" ACO_RTLREADING not supported\n");
This->hwndEdit = hwndEdit;
if (!SUCCEEDED (IUnknown_QueryInterface (punkACL, &IID_IEnumString, (LPVOID*)&This->enumstr))) {
TRACE("No IEnumString interface\n");
return E_NOINTERFACE;
}
This->wpOrigEditProc = (WNDPROC) SetWindowLongPtrW( hwndEdit, GWLP_WNDPROC, (LONG_PTR) ACEditSubclassProc);
SetWindowLongPtrW( hwndEdit, GWLP_USERDATA, (LONG_PTR)This);
if (This->options & ACO_AUTOSUGGEST) {
HWND hwndParent;
TRACE("Creating ListBox\n");
hwndParent = GetParent(This->hwndEdit);
/* FIXME : The listbox should be resizable with the mouse. WS_THICKFRAME looks ugly */
This->hwndListBox = CreateWindowExW(0, lbName, NULL,
WS_BORDER | WS_CHILD | WS_VSCROLL | LBS_HASSTRINGS | LBS_NOTIFY | LBS_NOINTEGRALHEIGHT,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
hwndParent, NULL,
(HINSTANCE)GetWindowLongA( hwndParent, GWL_HINSTANCE ), NULL);
if (!This->hwndListBox) {
TRACE("Problem creating ListBox\n");
return S_FALSE;
}
This->wpOrigLBoxProc = (WNDPROC) SetWindowLongPtrW( This->hwndListBox, GWLP_WNDPROC, (LONG_PTR) ACLBoxSubclassProc);
SetWindowLongPtrW( This->hwndListBox, GWLP_USERDATA, (LONG_PTR)This);
}
return S_OK;
}
/**************************************************************************
@ -286,7 +364,6 @@ static HRESULT WINAPI IAutoComplete2_fnGetOptions(
DWORD *pdwFlag)
{
HRESULT hr = S_OK;
_ICOM_THIS_From_IAutoComplete2(IAutoCompleteImpl, iface);
TRACE("(%p) -> (%p)\n", This, pdwFlag);
@ -307,7 +384,9 @@ static HRESULT WINAPI IAutoComplete2_fnSetOptions(
_ICOM_THIS_From_IAutoComplete2(IAutoCompleteImpl, iface);
FIXME("(%p) -> (0x%lx) not implemented\n", This, dwFlag);
TRACE("(%p) -> (0x%lx)\n", This, dwFlag);
This->options = dwFlag;
return hr;
}
@ -327,3 +406,186 @@ static ICOM_VTABLE (IAutoComplete2) ac2vt =
IAutoComplete2_fnSetOptions,
IAutoComplete2_fnGetOptions,
};
/*
Window procedure for autocompletion
*/
static LRESULT APIENTRY ACEditSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
ICOM_THIS(IAutoCompleteImpl, GetWindowLongPtrW(hwnd, GWLP_USERDATA));
LPOLESTR strs;
HRESULT hr;
WCHAR hwndText[255];
RECT r;
BOOL filled, displayall = FALSE;
int cpt, height, sel;
switch (uMsg)
{
case CB_SHOWDROPDOWN:
ShowWindow(This->hwndListBox, SW_HIDE);
SendMessageW(This->hwndListBox, LB_RESETCONTENT, 0, 0);
break;
case WM_KILLFOCUS:
if ((This->options && ACO_AUTOSUGGEST) &&
((HWND)wParam != This->hwndListBox))
{
ShowWindow(This->hwndListBox, SW_HIDE);
SendMessageW(This->hwndListBox, LB_RESETCONTENT, 0, 0);
}
break;
case WM_KEYUP:
GetWindowTextW( hwnd, (LPWSTR)hwndText, 255);
switch(wParam) {
case VK_UP:
case VK_DOWN:
/* Two cases here :
- if the listbox is not visible, displays it
with all the entries if the style ACO_UPDOWNKEYDROPSLIST
is present but does not select anything.
- if the listbox is visible, change the selection
*/
if ( (This->options & (ACO_AUTOSUGGEST | ACO_UPDOWNKEYDROPSLIST))
&& (!IsWindowVisible(This->hwndListBox) && (! *hwndText)) )
{
/* We must dispays all the entries */
displayall = TRUE;
} else {
int count;
count = SendMessageW(This->hwndListBox, LB_GETCOUNT, 0, 0);
/* Change the selection */
sel = SendMessageW(This->hwndListBox, LB_GETCURSEL, 0, 0);
if (wParam == VK_UP)
sel = ((sel-1)<0)?count-1:sel-1;
else
sel = ((sel+1)>= count)?-1:sel+1;
SendMessageW(This->hwndListBox, LB_SETCURSEL, sel, 0);
if (sel != -1) {
WCHAR *msg;
int len;
len = SendMessageW(This->hwndListBox, LB_GETTEXTLEN, sel, (LPARAM)NULL);
msg = (WCHAR*) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (len+1)*sizeof(WCHAR));
SendMessageW(This->hwndListBox, LB_GETTEXT, sel, (LPARAM)msg);
SendMessageW(hwnd, WM_SETTEXT, 0, (LPARAM)msg);
SendMessageW(hwnd, EM_SETSEL, lstrlenW(msg), lstrlenW(msg));
HeapFree(GetProcessHeap(), 0, msg);
} else {
SendMessageW(hwnd, WM_SETTEXT, 0, (LPARAM)This->txtbackup);
SendMessageW(hwnd, EM_SETSEL, lstrlenW(This->txtbackup), lstrlenW(This->txtbackup));
}
return 0;
}
break;
case VK_BACK:
case VK_DELETE:
if ((! *hwndText) && (This->options & ACO_AUTOSUGGEST)) {
ShowWindow(This->hwndListBox, SW_HIDE);
SendMessageW(This->hwndListBox, LB_RESETCONTENT, 0, 0);
return CallWindowProcW(This->wpOrigEditProc, hwnd, uMsg, wParam, lParam);
}
if (This->options & ACO_AUTOAPPEND) {
DWORD b;
SendMessageW(hwnd, EM_GETSEL, (WPARAM)&b, (LPARAM)NULL);
if (b>1) {
hwndText[b-1] = '\0';
} else {
hwndText[0] = '\0';
SetWindowTextW(hwnd, hwndText);
}
}
break;
default:
;
}
SendMessageW(This->hwndListBox, LB_RESETCONTENT, 0, 0);
HeapFree(GetProcessHeap(), 0, This->txtbackup);
This->txtbackup = (WCHAR*) HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY, lstrlenW(hwndText)*sizeof(WCHAR));
lstrcpyW(This->txtbackup, hwndText);
/* Returns if there is no text to search and we doesn't want to display all the entries */
if ((!displayall) && (! *hwndText) )
break;
IEnumString_Reset(This->enumstr);
filled = FALSE;
for(cpt = 0;;) {
hr = IEnumString_Next(This->enumstr, 1, &strs, NULL);
if (hr != S_OK)
break;
if ((LPWSTR)strstrW(strs, hwndText) == strs) {
if (This->options & ACO_AUTOAPPEND) {
SetWindowTextW(hwnd, strs);
SendMessageW(hwnd, EM_SETSEL, lstrlenW(hwndText), lstrlenW(strs));
break;
}
if (This->options & ACO_AUTOSUGGEST) {
SendMessageW(This->hwndListBox, LB_ADDSTRING, 0, (LPARAM)strs);
filled = TRUE;
cpt++;
}
}
}
if (This->options & ACO_AUTOSUGGEST) {
if (filled) {
height = SendMessageW(This->hwndListBox, LB_GETITEMHEIGHT, 0, 0);
SendMessageW(This->hwndListBox, LB_CARETOFF, 0, 0);
GetWindowRect(hwnd, &r);
SetParent(This->hwndListBox, HWND_DESKTOP);
/* It seems that Windows XP displays 7 lines at most
and otherwise displays a vertical scroll bar */
SetWindowPos(This->hwndListBox, HWND_TOP,
r.left, r.bottom + 1, r.right - r.left, min(height * 7, height*(cpt+1)),
SWP_SHOWWINDOW );
} else {
ShowWindow(This->hwndListBox, SW_HIDE);
}
}
break;
default:
return CallWindowProcW(This->wpOrigEditProc, hwnd, uMsg, wParam, lParam);
}
return 0;
}
static LRESULT APIENTRY ACLBoxSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
ICOM_THIS(IAutoCompleteImpl, GetWindowLongPtrW(hwnd, GWLP_USERDATA));
WCHAR *msg;
int sel = -1, len;
switch (uMsg) {
case WM_MOUSEMOVE:
sel = SendMessageW(hwnd, LB_ITEMFROMPOINT, 0, lParam);
SendMessageW(hwnd, LB_SETCURSEL, (WPARAM)sel, (LPARAM)0);
break;
case WM_LBUTTONDOWN:
len = SendMessageW(This->hwndListBox, LB_GETTEXTLEN, sel, (LPARAM)NULL);
msg = (WCHAR*) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (len+1)*sizeof(WCHAR));
sel = (INT)SendMessageW(hwnd, LB_GETCURSEL, 0, 0);
SendMessageW(hwnd, LB_GETTEXT, sel, (LPARAM)msg);
SendMessageW(This->hwndEdit, WM_SETTEXT, 0, (LPARAM)msg);
SendMessageW(This->hwndEdit, EM_SETSEL, 0, lstrlenW(msg));
ShowWindow(hwnd, SW_HIDE);
HeapFree(GetProcessHeap(), 0, msg);
break;
default:
return CallWindowProcW(This->wpOrigLBoxProc, hwnd, uMsg, wParam, lParam);
}
return 0;
}