comctl32: Implement LM_GETIDEALSIZE for the syslink control.

oldstable
Thomas Weidenmueller 2007-02-19 16:25:01 +01:00 committed by Alexandre Julliard
parent 8c5d169a20
commit 254b97732b
2 changed files with 108 additions and 60 deletions

View File

@ -643,18 +643,24 @@ static BOOL SYSLINK_WrapLine (HDC hdc, LPWSTR Text, WCHAR BreakChar, int *LineLe
* SYSLINK_Render * SYSLINK_Render
* Renders the document in memory * Renders the document in memory
*/ */
static VOID SYSLINK_Render (SYSLINK_INFO *infoPtr, HDC hdc) static VOID SYSLINK_Render (SYSLINK_INFO *infoPtr, HDC hdc, PRECT pRect)
{ {
RECT rc; RECT rc;
PDOC_ITEM Current; PDOC_ITEM Current;
HGDIOBJ hOldFont; HGDIOBJ hOldFont;
int x, y, LineHeight; int x, y, LineHeight;
SIZE szDoc;
GetClientRect(infoPtr->Self, &rc);
szDoc.cx = szDoc.cy = 0;
rc = *pRect;
rc.right -= SL_RIGHTMARGIN; rc.right -= SL_RIGHTMARGIN;
rc.bottom -= SL_BOTTOMMARGIN; rc.bottom -= SL_BOTTOMMARGIN;
if(rc.right - SL_LEFTMARGIN < 0 || rc.bottom - SL_TOPMARGIN < 0) return; if(rc.right - SL_LEFTMARGIN < 0)
rc.right = MAXLONG;
if (rc.bottom - SL_TOPMARGIN < 0)
rc.bottom = MAXLONG;
hOldFont = SelectObject(hdc, infoPtr->Font); hOldFont = SelectObject(hdc, infoPtr->Font);
@ -715,6 +721,7 @@ static VOID SYSLINK_Render (SYSLINK_INFO *infoPtr, HDC hdc)
{ {
int LineLen = n; int LineLen = n;
BOOL Wrap = FALSE; BOOL Wrap = FALSE;
PDOC_TEXTBLOCK nbl;
if(n != 0) if(n != 0)
{ {
@ -753,30 +760,12 @@ static VOID SYSLINK_Render (SYSLINK_INFO *infoPtr, HDC hdc)
} }
} }
if(bl != NULL) nbl = ReAlloc(bl, (nBlocks + 1) * sizeof(DOC_TEXTBLOCK));
{ if (nbl != NULL)
PDOC_TEXTBLOCK nbl = ReAlloc(bl, (nBlocks + 1) * sizeof(DOC_TEXTBLOCK));
if (nbl != NULL)
{
bl = nbl;
nBlocks++;
}
else
{
Free(bl);
bl = NULL;
nBlocks = 0;
}
}
else
{
bl = Alloc(sizeof(DOC_TEXTBLOCK));
if (bl != NULL)
nBlocks++;
}
if(bl != NULL)
{ {
bl = nbl;
nBlocks++;
cbl = bl + nBlocks - 1; cbl = bl + nBlocks - 1;
cbl->nChars = LineLen; cbl->nChars = LineLen;
@ -785,7 +774,12 @@ static VOID SYSLINK_Render (SYSLINK_INFO *infoPtr, HDC hdc)
cbl->rc.top = y; cbl->rc.top = y;
cbl->rc.right = x + szDim.cx; cbl->rc.right = x + szDim.cx;
cbl->rc.bottom = y + szDim.cy; cbl->rc.bottom = y + szDim.cy;
if (cbl->rc.right > szDoc.cx)
szDoc.cx = cbl->rc.right;
if (cbl->rc.bottom > szDoc.cy)
szDoc.cy = cbl->rc.bottom;
if(LineLen != 0) if(LineLen != 0)
{ {
x += szDim.cx; x += szDim.cx;
@ -801,6 +795,10 @@ static VOID SYSLINK_Render (SYSLINK_INFO *infoPtr, HDC hdc)
} }
else else
{ {
Free(bl);
bl = NULL;
nBlocks = 0;
ERR("Failed to alloc DOC_TEXTBLOCK structure!\n"); ERR("Failed to alloc DOC_TEXTBLOCK structure!\n");
break; break;
} }
@ -820,6 +818,9 @@ static VOID SYSLINK_Render (SYSLINK_INFO *infoPtr, HDC hdc)
} }
SelectObject(hdc, hOldFont); SelectObject(hdc, hOldFont);
pRect->right = pRect->left + szDoc.cx;
pRect->bottom = pRect->top + szDoc.cy;
} }
/*********************************************************************** /***********************************************************************
@ -920,6 +921,7 @@ static HFONT SYSLINK_SetFont (SYSLINK_INFO *infoPtr, HFONT hFont, BOOL bRedraw)
HDC hdc; HDC hdc;
LOGFONTW lf; LOGFONTW lf;
TEXTMETRICW tm; TEXTMETRICW tm;
RECT rcClient;
HFONT hOldFont = infoPtr->Font; HFONT hOldFont = infoPtr->Font;
infoPtr->Font = hFont; infoPtr->Font = hFont;
@ -931,24 +933,27 @@ static HFONT SYSLINK_SetFont (SYSLINK_INFO *infoPtr, HFONT hFont, BOOL bRedraw)
} }
/* Render text position and word wrapping in memory */ /* Render text position and word wrapping in memory */
hdc = GetDC(infoPtr->Self); if (GetClientRect(infoPtr->Self, &rcClient))
if(hdc != NULL)
{ {
/* create a new underline font */ hdc = GetDC(infoPtr->Self);
if(GetTextMetricsW(hdc, &tm) && if(hdc != NULL)
GetObjectW(infoPtr->Font, sizeof(LOGFONTW), &lf))
{ {
lf.lfUnderline = TRUE; /* create a new underline font */
infoPtr->LinkFont = CreateFontIndirectW(&lf); if(GetTextMetricsW(hdc, &tm) &&
infoPtr->BreakChar = tm.tmBreakChar; GetObjectW(infoPtr->Font, sizeof(LOGFONTW), &lf))
} {
else lf.lfUnderline = TRUE;
{ infoPtr->LinkFont = CreateFontIndirectW(&lf);
ERR("Failed to create link font!\n"); infoPtr->BreakChar = tm.tmBreakChar;
} }
else
{
ERR("Failed to create link font!\n");
}
SYSLINK_Render(infoPtr, hdc); SYSLINK_Render(infoPtr, hdc, &rcClient);
ReleaseDC(infoPtr->Self, hdc); ReleaseDC(infoPtr->Self, hdc);
}
} }
if(bRedraw) if(bRedraw)
@ -978,14 +983,19 @@ static LRESULT SYSLINK_SetText (SYSLINK_INFO *infoPtr, LPCWSTR Text)
/* let's parse the string and create a document */ /* let's parse the string and create a document */
if(SYSLINK_ParseText(infoPtr, Text) > 0) if(SYSLINK_ParseText(infoPtr, Text) > 0)
{ {
/* Render text position and word wrapping in memory */ RECT rcClient;
HDC hdc = GetDC(infoPtr->Self);
if (hdc != NULL)
{
SYSLINK_Render(infoPtr, hdc);
ReleaseDC(infoPtr->Self, hdc);
InvalidateRect(infoPtr->Self, NULL, TRUE); /* Render text position and word wrapping in memory */
if (GetClientRect(infoPtr->Self, &rcClient))
{
HDC hdc = GetDC(infoPtr->Self);
if (hdc != NULL)
{
SYSLINK_Render(infoPtr, hdc, &rcClient);
ReleaseDC(infoPtr->Self, hdc);
InvalidateRect(infoPtr->Self, NULL, TRUE);
}
} }
} }
@ -1076,6 +1086,7 @@ static LRESULT SYSLINK_SetItem (SYSLINK_INFO *infoPtr, PLITEM Item)
else else
{ {
Free(szId); Free(szId);
ERR("Unable to allocate memory for link url\n"); ERR("Unable to allocate memory for link url\n");
return FALSE; return FALSE;
} }
@ -1502,6 +1513,33 @@ static BOOL SYSLINK_NoNextLink (SYSLINK_INFO *infoPtr, BOOL Prev)
return NewFocus == NULL; return NewFocus == NULL;
} }
/***********************************************************************
* SYSLINK_GetIdealSize
* Calculates the ideal size of a link control at a given maximum width.
*/
static VOID SYSLINK_GetIdealSize (SYSLINK_INFO *infoPtr, int cxMaxWidth, LPSIZE lpSize)
{
RECT rc;
HDC hdc;
rc.left = rc.top = rc.bottom = 0;
rc.right = cxMaxWidth;
hdc = GetDC(infoPtr->Self);
if (hdc != NULL)
{
HGDIOBJ hOldFont = SelectObject(hdc, infoPtr->Font);
SYSLINK_Render(infoPtr, hdc, &rc);
SelectObject(hdc, hOldFont);
ReleaseDC(infoPtr->Self, hdc);
lpSize->cx = rc.right;
lpSize->cy = rc.bottom;
}
}
/*********************************************************************** /***********************************************************************
* SysLinkWindowProc * SysLinkWindowProc
*/ */
@ -1542,11 +1580,15 @@ static LRESULT WINAPI SysLinkWindowProc(HWND hwnd, UINT message,
case WM_SIZE: case WM_SIZE:
{ {
HDC hdc = GetDC(infoPtr->Self); RECT rcClient;
if(hdc != NULL) if (GetClientRect(infoPtr->Self, &rcClient))
{ {
SYSLINK_Render(infoPtr, hdc); HDC hdc = GetDC(infoPtr->Self);
ReleaseDC(infoPtr->Self, hdc); if(hdc != NULL)
{
SYSLINK_Render(infoPtr, hdc, &rcClient);
ReleaseDC(infoPtr->Self, hdc);
}
} }
return 0; return 0;
} }
@ -1651,6 +1693,11 @@ static LRESULT WINAPI SysLinkWindowProc(HWND hwnd, UINT message,
return SYSLINK_GetItem(infoPtr, (PLITEM)lParam); return SYSLINK_GetItem(infoPtr, (PLITEM)lParam);
case LM_GETIDEALHEIGHT: case LM_GETIDEALHEIGHT:
if (lParam)
{
/* LM_GETIDEALSIZE */
SYSLINK_GetIdealSize(infoPtr, (int)wParam, (LPSIZE)lParam);
}
return SYSLINK_GetIdealHeight(infoPtr); return SYSLINK_GetIdealHeight(infoPtr);
case WM_SETFOCUS: case WM_SETFOCUS:
@ -1660,10 +1707,10 @@ static LRESULT WINAPI SysLinkWindowProc(HWND hwnd, UINT message,
return SYSLINK_KillFocus(infoPtr, (HWND)wParam); return SYSLINK_KillFocus(infoPtr, (HWND)wParam);
case WM_ENABLE: case WM_ENABLE:
infoPtr->Style &= ~WS_DISABLED; infoPtr->Style &= ~WS_DISABLED;
infoPtr->Style |= (wParam ? 0 : WS_DISABLED); infoPtr->Style |= (wParam ? 0 : WS_DISABLED);
InvalidateRect (infoPtr->Self, NULL, FALSE); InvalidateRect (infoPtr->Self, NULL, FALSE);
return 0; return 0;
case WM_STYLECHANGED: case WM_STYLECHANGED:
if (wParam == GWL_STYLE) if (wParam == GWL_STYLE)
@ -1710,7 +1757,7 @@ static LRESULT WINAPI SysLinkWindowProc(HWND hwnd, UINT message,
HandleDefaultMessage: HandleDefaultMessage:
if ((message >= WM_USER) && (message < WM_APP)) if ((message >= WM_USER) && (message < WM_APP))
{ {
ERR("unknown msg %04x wp=%04x lp=%08lx\n", message, wParam, lParam ); ERR("unknown msg %04x wp=%04x lp=%08lx\n", message, wParam, lParam );
} }
return DefWindowProcW(hwnd, message, wParam, lParam); return DefWindowProcW(hwnd, message, wParam, lParam);
} }

View File

@ -4889,6 +4889,7 @@ static const WCHAR WC_LINK[] = { 'S','y','s','L','i','n','k',0 };
/* SysLink messages */ /* SysLink messages */
#define LM_HITTEST (WM_USER + 768) #define LM_HITTEST (WM_USER + 768)
#define LM_GETIDEALHEIGHT (WM_USER + 769) #define LM_GETIDEALHEIGHT (WM_USER + 769)
#define LM_GETIDEALSIZE (LM_GETIDEALHEIGHT)
#define LM_SETITEM (WM_USER + 770) #define LM_SETITEM (WM_USER + 770)
#define LM_GETITEM (WM_USER + 771) #define LM_GETITEM (WM_USER + 771)