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Commit 3264450c authored by Dylan Smith's avatar Dylan Smith Committed by Alexandre Julliard
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wordpad: Avoid forward declarations in print.c.

parent 20dea9a8
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Showing with 340 additions and 344 deletions
programs/wordpad/print.c
View file @ 3264450c
...@@ -279,6 +279,145 @@ static void update_ruler(HWND hRulerWnd) ...@@ -279,6 +279,145 @@ static void update_ruler(HWND hRulerWnd)
redraw_ruler(hRulerWnd); redraw_ruler(hRulerWnd);
} }
static void add_ruler_units(HDC hdcRuler, RECT* drawRect, BOOL NewMetrics, LONG EditLeftmost)
{
static HDC hdc;
if(NewMetrics)
{
static HBITMAP hBitmap;
int i, x, y, RulerTextEnd;
int CmPixels;
int QuarterCmPixels;
HFONT hFont;
WCHAR FontName[] = {'M','S',' ','S','a','n','s',' ','S','e','r','i','f',0};
if(hdc)
{
DeleteDC(hdc);
DeleteObject(hBitmap);
}
hdc = CreateCompatibleDC(0);
CmPixels = twips_to_pixels(centmm_to_twips(1000), GetDeviceCaps(hdc, LOGPIXELSX));
QuarterCmPixels = (int)((float)CmPixels / 4.0);
hBitmap = CreateCompatibleBitmap(hdc, drawRect->right, drawRect->bottom);
SelectObject(hdc, hBitmap);
FillRect(hdc, drawRect, GetStockObject(WHITE_BRUSH));
hFont = CreateFontW(10, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FontName);
SelectObject(hdc, hFont);
SetBkMode(hdc, TRANSPARENT);
SetTextAlign(hdc, TA_CENTER);
y = (int)(((float)drawRect->bottom - (float)drawRect->top) / 2.0) + 1;
RulerTextEnd = drawRect->right - EditLeftmost + 1;
for(i = 1, x = EditLeftmost; x < (drawRect->right - EditLeftmost + 1); i ++)
{
WCHAR str[3];
WCHAR format[] = {'%','d',0};
int x2 = x;
x2 += QuarterCmPixels;
if(x2 > RulerTextEnd)
break;
MoveToEx(hdc, x2, y, NULL);
LineTo(hdc, x2, y+2);
x2 += QuarterCmPixels;
if(x2 > RulerTextEnd)
break;
MoveToEx(hdc, x2, y - 3, NULL);
LineTo(hdc, x2, y + 3);
x2 += QuarterCmPixels;
if(x2 > RulerTextEnd)
break;
MoveToEx(hdc, x2, y, NULL);
LineTo(hdc, x2, y+2);
x += CmPixels;
if(x > RulerTextEnd)
break;
wsprintfW(str, format, i);
TextOutW(hdc, x, 5, str, lstrlenW(str));
}
DeleteObject(hFont);
}
BitBlt(hdcRuler, 0, 0, drawRect->right, drawRect->bottom, hdc, 0, 0, SRCAND);
}
static void paint_ruler(HWND hWnd, LONG EditLeftmost, BOOL NewMetrics)
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hWnd, &ps);
HDC hdcPrint = make_dc();
RECT printRect = get_print_rect(hdcPrint);
RECT drawRect;
HBRUSH hBrush = CreateSolidBrush(GetSysColor(COLOR_MENU));
GetClientRect(hWnd, &drawRect);
FillRect(hdc, &drawRect, hBrush);
drawRect.top += 3;
drawRect.bottom -= 3;
drawRect.left = EditLeftmost;
drawRect.right = twips_to_pixels(printRect.right - margins.left, GetDeviceCaps(hdc, LOGPIXELSX));
FillRect(hdc, &drawRect, GetStockObject(WHITE_BRUSH));
drawRect.top--;
drawRect.bottom++;
DrawEdge(hdc, &drawRect, EDGE_SUNKEN, BF_RECT);
drawRect.left = drawRect.right - 1;
drawRect.right = twips_to_pixels(printRect.right + margins.right - margins.left, GetDeviceCaps(hdc, LOGPIXELSX));
DrawEdge(hdc, &drawRect, EDGE_ETCHED, BF_RECT);
drawRect.left = 0;
drawRect.top = 0;
add_ruler_units(hdc, &drawRect, NewMetrics, EditLeftmost);
SelectObject(hdc, GetStockObject(BLACK_BRUSH));
DeleteObject(hBrush);
DeleteDC(hdcPrint);
EndPaint(hWnd, &ps);
}
LRESULT CALLBACK ruler_proc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static WNDPROC pPrevRulerProc;
static LONG EditLeftmost;
static BOOL NewMetrics;
switch(msg)
{
case WM_USER:
if(wParam)
{
EditLeftmost = ((POINTL*)wParam)->x;
pPrevRulerProc = (WNDPROC)lParam;
}
NewMetrics = TRUE;
break;
case WM_PAINT:
paint_ruler(hWnd, EditLeftmost, NewMetrics);
break;
default:
return CallWindowProcW(pPrevRulerProc, hWnd, msg, wParam, lParam);
}
return 0;
}
static void print(LPPRINTDLGW pd, LPWSTR wszFileName) static void print(LPPRINTDLGW pd, LPWSTR wszFileName)
{ {
FORMATRANGE fr; FORMATRANGE fr;
...@@ -542,7 +681,43 @@ static void update_preview_sizes(HWND hwndPreview, BOOL zoomLevelUpdated) ...@@ -542,7 +681,43 @@ static void update_preview_sizes(HWND hwndPreview, BOOL zoomLevelUpdated)
update_preview_scrollbars(hwndPreview, &window); update_preview_scrollbars(hwndPreview, &window);
} }
static void draw_preview_page(HDC hdc, HDC* hdcSized, FORMATRANGE* lpFr, float ratio, int bmNewWidth, int bmNewHeight, int bmWidth, int bmHeight); static void draw_preview_page(HDC hdc, HDC* hdcSized, FORMATRANGE* lpFr, float ratio, int bmNewWidth, int bmNewHeight, int bmWidth, int bmHeight)
{
HBITMAP hBitmapScaled = CreateCompatibleBitmap(hdc, bmNewWidth, bmNewHeight);
HBITMAP oldbm;
HPEN hPen, oldPen;
int TopMargin = (int)((float)twips_to_pixels(lpFr->rc.top, GetDeviceCaps(hdc, LOGPIXELSX)) * ratio);
int BottomMargin = (int)((float)twips_to_pixels(lpFr->rc.bottom, GetDeviceCaps(hdc, LOGPIXELSX)) * ratio);
int LeftMargin = (int)((float)twips_to_pixels(lpFr->rc.left, GetDeviceCaps(hdc, LOGPIXELSY)) * ratio);
int RightMargin = (int)((float)twips_to_pixels(lpFr->rc.right, GetDeviceCaps(hdc, LOGPIXELSY)) * ratio);
if(*hdcSized) {
oldbm = SelectObject(*hdcSized, hBitmapScaled);
DeleteObject(oldbm);
} else {
*hdcSized = CreateCompatibleDC(hdc);
SelectObject(*hdcSized, hBitmapScaled);
}
StretchBlt(*hdcSized, 0, 0, bmNewWidth, bmNewHeight, hdc, 0, 0, bmWidth, bmHeight, SRCCOPY);
/* Draw margin lines */
hPen = CreatePen(PS_DOT, 1, RGB(0,0,0));
oldPen = SelectObject(*hdcSized, hPen);
MoveToEx(*hdcSized, 0, TopMargin, NULL);
LineTo(*hdcSized, bmNewWidth, TopMargin);
MoveToEx(*hdcSized, 0, BottomMargin, NULL);
LineTo(*hdcSized, bmNewWidth, BottomMargin);
MoveToEx(*hdcSized, LeftMargin, 0, NULL);
LineTo(*hdcSized, LeftMargin, bmNewHeight);
MoveToEx(*hdcSized, RightMargin, 0, NULL);
LineTo(*hdcSized, RightMargin, bmNewHeight);
SelectObject(*hdcSized, oldPen);
DeleteObject(hPen);
}
/* Update for zoom ratio changes with same page. */ /* Update for zoom ratio changes with same page. */
static void update_scaled_preview(HWND hMainWnd) static void update_scaled_preview(HWND hMainWnd)
...@@ -578,354 +753,70 @@ static void update_scaled_preview(HWND hMainWnd) ...@@ -578,354 +753,70 @@ static void update_scaled_preview(HWND hMainWnd)
DeleteDC(fr.hdcTarget); DeleteDC(fr.hdcTarget);
} }
static void update_preview(HWND hMainWnd); void init_preview(HWND hMainWnd, LPWSTR wszFileName)
{
HWND hwndPreview;
HINSTANCE hInstance = GetModuleHandleW(0);
preview.page = 1;
preview.hdc = 0;
preview.hdc2 = 0;
preview.wszFileName = wszFileName;
preview.zoomratio = 0;
preview.zoomlevel = 0;
preview_bar_show(hMainWnd, TRUE);
if (preview.pages_shown < 1) preview.pages_shown = 1;
LRESULT CALLBACK preview_proc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) hwndPreview = CreateWindowExW(0, wszPreviewWndClass, NULL,
WS_VISIBLE | WS_CHILD | WS_VSCROLL | WS_HSCROLL,
0, 0, 200, 10, hMainWnd, (HMENU)IDC_PREVIEW, hInstance, NULL);
}
void close_preview(HWND hMainWnd)
{ {
switch(msg) HWND hwndPreview = GetDlgItem(hMainWnd, IDC_PREVIEW);
{ preview.window.right = 0;
case WM_CREATE: preview.window.bottom = 0;
{ preview.page = 0;
HWND hMainWnd = GetParent(hWnd); HeapFree(GetProcessHeap(), 0, preview.pageEnds);
HWND hEditorWnd = GetDlgItem(hMainWnd, IDC_EDITOR); preview.pageEnds = NULL;
FORMATRANGE fr; preview.pageCapacity = 0;
GETTEXTLENGTHEX gt = {GTL_DEFAULT, 1200}; if(preview.hdc) {
HDC hdc = GetDC(hWnd); HBITMAP oldbm = GetCurrentObject(preview.hdc, OBJ_BITMAP);
HDC hdcTarget = make_dc(); DeleteDC(preview.hdc);
DeleteObject(oldbm);
preview.hdc = NULL;
}
if(preview.hdc2) {
HBITMAP oldbm = GetCurrentObject(preview.hdc2, OBJ_BITMAP);
DeleteDC(preview.hdc2);
DeleteObject(oldbm);
preview.hdc2 = NULL;
}
if(preview.hdcSized) {
HBITMAP oldbm = GetCurrentObject(preview.hdcSized, OBJ_BITMAP);
DeleteDC(preview.hdcSized);
DeleteObject(oldbm);
preview.hdcSized = NULL;
}
if(preview.hdcSized2) {
HBITMAP oldbm = GetCurrentObject(preview.hdcSized2, OBJ_BITMAP);
DeleteDC(preview.hdcSized2);
DeleteObject(oldbm);
preview.hdcSized2 = NULL;
}
fr.rc = preview.rcPage = get_print_rect(hdcTarget); preview_bar_show(hMainWnd, FALSE);
preview.rcPage.bottom += margins.bottom; DestroyWindow(hwndPreview);
preview.rcPage.right += margins.right; }
preview.rcPage.top = preview.rcPage.left = 0;
fr.rcPage = preview.rcPage;
preview.bmSize.cx = twips_to_pixels(preview.rcPage.right, GetDeviceCaps(hdc, LOGPIXELSX)); BOOL preview_isactive(void)
preview.bmSize.cy = twips_to_pixels(preview.rcPage.bottom, GetDeviceCaps(hdc, LOGPIXELSY)); {
return preview.page != 0;
}
preview.textlength = SendMessageW(hEditorWnd, EM_GETTEXTLENGTHEX, (WPARAM)&gt, 0); static void draw_preview(HWND hEditorWnd, FORMATRANGE* lpFr, RECT* paper, int page)
{
fr.hdc = CreateCompatibleDC(hdc); int bottom;
fr.hdcTarget = hdcTarget;
fr.chrg.cpMin = 0;
fr.chrg.cpMax = preview.textlength;
DeleteDC(fr.hdc);
DeleteDC(hdcTarget);
ReleaseDC(hWnd, hdc);
update_preview_sizes(hWnd, TRUE);
update_preview(hMainWnd);
break;
}
case WM_PAINT:
return print_preview(hWnd);
case WM_SIZE:
{
update_preview_sizes(hWnd, FALSE);
update_scaled_preview(hWnd);
break;
}
case WM_VSCROLL:
case WM_HSCROLL:
{
SCROLLINFO si;
RECT rc;
int nBar = (msg == WM_VSCROLL) ? SB_VERT : SB_HORZ;
int origPos;
GetClientRect(hWnd, &rc);
si.cbSize = sizeof(si);
si.fMask = SIF_ALL;
GetScrollInfo(hWnd, nBar, &si);
origPos = si.nPos;
switch(LOWORD(wParam))
{
case SB_TOP: /* == SB_LEFT */
si.nPos = si.nMin;
break;
case SB_BOTTOM: /* == SB_RIGHT */
si.nPos = si.nMax;
break;
case SB_LINEUP: /* == SB_LINELEFT */
si.nPos -= si.nPage / 10;
break;
case SB_LINEDOWN: /* == SB_LINERIGHT */
si.nPos += si.nPage / 10;
break;
case SB_PAGEUP: /* == SB_PAGELEFT */
si.nPos -= si.nPage;
break;
case SB_PAGEDOWN: /* SB_PAGERIGHT */
si.nPos += si.nPage;
break;
case SB_THUMBTRACK:
si.nPos = si.nTrackPos;
break;
}
si.fMask = SIF_POS;
SetScrollInfo(hWnd, nBar, &si, TRUE);
GetScrollInfo(hWnd, nBar, &si);
if (si.nPos != origPos)
{
int amount = origPos - si.nPos;
if (msg == WM_VSCROLL)
ScrollWindow(hWnd, 0, amount, NULL, NULL);
else
ScrollWindow(hWnd, amount, 0, NULL, NULL);
}
return 0;
}
default:
return DefWindowProcW(hWnd, msg, wParam, lParam);
}
return 0;
}
void init_preview(HWND hMainWnd, LPWSTR wszFileName)
{
HWND hwndPreview;
HINSTANCE hInstance = GetModuleHandleW(0);
preview.page = 1;
preview.hdc = 0;
preview.hdc2 = 0;
preview.wszFileName = wszFileName;
preview.zoomratio = 0;
preview.zoomlevel = 0;
preview_bar_show(hMainWnd, TRUE);
if (preview.pages_shown < 1) preview.pages_shown = 1;
hwndPreview = CreateWindowExW(0, wszPreviewWndClass, NULL,
WS_VISIBLE | WS_CHILD | WS_VSCROLL | WS_HSCROLL,
0, 0, 200, 10, hMainWnd, (HMENU)IDC_PREVIEW, hInstance, NULL);
}
void close_preview(HWND hMainWnd)
{
HWND hwndPreview = GetDlgItem(hMainWnd, IDC_PREVIEW);
preview.window.right = 0;
preview.window.bottom = 0;
preview.page = 0;
HeapFree(GetProcessHeap(), 0, preview.pageEnds);
preview.pageEnds = NULL;
preview.pageCapacity = 0;
if(preview.hdc) {
HBITMAP oldbm = GetCurrentObject(preview.hdc, OBJ_BITMAP);
DeleteDC(preview.hdc);
DeleteObject(oldbm);
preview.hdc = NULL;
}
if(preview.hdc2) {
HBITMAP oldbm = GetCurrentObject(preview.hdc2, OBJ_BITMAP);
DeleteDC(preview.hdc2);
DeleteObject(oldbm);
preview.hdc2 = NULL;
}
if(preview.hdcSized) {
HBITMAP oldbm = GetCurrentObject(preview.hdcSized, OBJ_BITMAP);
DeleteDC(preview.hdcSized);
DeleteObject(oldbm);
preview.hdcSized = NULL;
}
if(preview.hdcSized2) {
HBITMAP oldbm = GetCurrentObject(preview.hdcSized2, OBJ_BITMAP);
DeleteDC(preview.hdcSized2);
DeleteObject(oldbm);
preview.hdcSized2 = NULL;
}
preview_bar_show(hMainWnd, FALSE);
DestroyWindow(hwndPreview);
}
BOOL preview_isactive(void)
{
return preview.page != 0;
}
static void add_ruler_units(HDC hdcRuler, RECT* drawRect, BOOL NewMetrics, LONG EditLeftmost)
{
static HDC hdc;
if(NewMetrics)
{
static HBITMAP hBitmap;
int i, x, y, RulerTextEnd;
int CmPixels;
int QuarterCmPixels;
HFONT hFont;
WCHAR FontName[] = {'M','S',' ','S','a','n','s',' ','S','e','r','i','f',0};
if(hdc)
{
DeleteDC(hdc);
DeleteObject(hBitmap);
}
hdc = CreateCompatibleDC(0);
CmPixels = twips_to_pixels(centmm_to_twips(1000), GetDeviceCaps(hdc, LOGPIXELSX));
QuarterCmPixels = (int)((float)CmPixels / 4.0);
hBitmap = CreateCompatibleBitmap(hdc, drawRect->right, drawRect->bottom);
SelectObject(hdc, hBitmap);
FillRect(hdc, drawRect, GetStockObject(WHITE_BRUSH));
hFont = CreateFontW(10, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FontName);
SelectObject(hdc, hFont);
SetBkMode(hdc, TRANSPARENT);
SetTextAlign(hdc, TA_CENTER);
y = (int)(((float)drawRect->bottom - (float)drawRect->top) / 2.0) + 1;
RulerTextEnd = drawRect->right - EditLeftmost + 1;
for(i = 1, x = EditLeftmost; x < (drawRect->right - EditLeftmost + 1); i ++)
{
WCHAR str[3];
WCHAR format[] = {'%','d',0};
int x2 = x;
x2 += QuarterCmPixels;
if(x2 > RulerTextEnd)
break;
MoveToEx(hdc, x2, y, NULL);
LineTo(hdc, x2, y+2);
x2 += QuarterCmPixels;
if(x2 > RulerTextEnd)
break;
MoveToEx(hdc, x2, y - 3, NULL);
LineTo(hdc, x2, y + 3);
x2 += QuarterCmPixels;
if(x2 > RulerTextEnd)
break;
MoveToEx(hdc, x2, y, NULL);
LineTo(hdc, x2, y+2);
x += CmPixels;
if(x > RulerTextEnd)
break;
wsprintfW(str, format, i);
TextOutW(hdc, x, 5, str, lstrlenW(str));
}
DeleteObject(hFont);
}
BitBlt(hdcRuler, 0, 0, drawRect->right, drawRect->bottom, hdc, 0, 0, SRCAND);
}
static void paint_ruler(HWND hWnd, LONG EditLeftmost, BOOL NewMetrics)
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hWnd, &ps);
HDC hdcPrint = make_dc();
RECT printRect = get_print_rect(hdcPrint);
RECT drawRect;
HBRUSH hBrush = CreateSolidBrush(GetSysColor(COLOR_MENU));
GetClientRect(hWnd, &drawRect);
FillRect(hdc, &drawRect, hBrush);
drawRect.top += 3;
drawRect.bottom -= 3;
drawRect.left = EditLeftmost;
drawRect.right = twips_to_pixels(printRect.right - margins.left, GetDeviceCaps(hdc, LOGPIXELSX));
FillRect(hdc, &drawRect, GetStockObject(WHITE_BRUSH));
drawRect.top--;
drawRect.bottom++;
DrawEdge(hdc, &drawRect, EDGE_SUNKEN, BF_RECT);
drawRect.left = drawRect.right - 1;
drawRect.right = twips_to_pixels(printRect.right + margins.right - margins.left, GetDeviceCaps(hdc, LOGPIXELSX));
DrawEdge(hdc, &drawRect, EDGE_ETCHED, BF_RECT);
drawRect.left = 0;
drawRect.top = 0;
add_ruler_units(hdc, &drawRect, NewMetrics, EditLeftmost);
SelectObject(hdc, GetStockObject(BLACK_BRUSH));
DeleteObject(hBrush);
DeleteDC(hdcPrint);
EndPaint(hWnd, &ps);
}
LRESULT CALLBACK ruler_proc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static WNDPROC pPrevRulerProc;
static LONG EditLeftmost;
static BOOL NewMetrics;
switch(msg)
{
case WM_USER:
if(wParam)
{
EditLeftmost = ((POINTL*)wParam)->x;
pPrevRulerProc = (WNDPROC)lParam;
}
NewMetrics = TRUE;
break;
case WM_PAINT:
paint_ruler(hWnd, EditLeftmost, NewMetrics);
break;
default:
return CallWindowProcW(pPrevRulerProc, hWnd, msg, wParam, lParam);
}
return 0;
}
static void draw_preview_page(HDC hdc, HDC* hdcSized, FORMATRANGE* lpFr, float ratio, int bmNewWidth, int bmNewHeight, int bmWidth, int bmHeight)
{
HBITMAP hBitmapScaled = CreateCompatibleBitmap(hdc, bmNewWidth, bmNewHeight);
HBITMAP oldbm;
HPEN hPen, oldPen;
int TopMargin = (int)((float)twips_to_pixels(lpFr->rc.top, GetDeviceCaps(hdc, LOGPIXELSX)) * ratio);
int BottomMargin = (int)((float)twips_to_pixels(lpFr->rc.bottom, GetDeviceCaps(hdc, LOGPIXELSX)) * ratio);
int LeftMargin = (int)((float)twips_to_pixels(lpFr->rc.left, GetDeviceCaps(hdc, LOGPIXELSY)) * ratio);
int RightMargin = (int)((float)twips_to_pixels(lpFr->rc.right, GetDeviceCaps(hdc, LOGPIXELSY)) * ratio);
if(*hdcSized) {
oldbm = SelectObject(*hdcSized, hBitmapScaled);
DeleteObject(oldbm);
} else {
*hdcSized = CreateCompatibleDC(hdc);
SelectObject(*hdcSized, hBitmapScaled);
}
StretchBlt(*hdcSized, 0, 0, bmNewWidth, bmNewHeight, hdc, 0, 0, bmWidth, bmHeight, SRCCOPY);
/* Draw margin lines */
hPen = CreatePen(PS_DOT, 1, RGB(0,0,0));
oldPen = SelectObject(*hdcSized, hPen);
MoveToEx(*hdcSized, 0, TopMargin, NULL);
LineTo(*hdcSized, bmNewWidth, TopMargin);
MoveToEx(*hdcSized, 0, BottomMargin, NULL);
LineTo(*hdcSized, bmNewWidth, BottomMargin);
MoveToEx(*hdcSized, LeftMargin, 0, NULL);
LineTo(*hdcSized, LeftMargin, bmNewHeight);
MoveToEx(*hdcSized, RightMargin, 0, NULL);
LineTo(*hdcSized, RightMargin, bmNewHeight);
SelectObject(*hdcSized, oldPen);
DeleteObject(hPen);
}
static void draw_preview(HWND hEditorWnd, FORMATRANGE* lpFr, RECT* paper, int page)
{
int bottom;
if (!preview.pageEnds) if (!preview.pageEnds)
{ {
...@@ -1097,6 +988,111 @@ static void toggle_num_pages(HWND hMainWnd) ...@@ -1097,6 +988,111 @@ static void toggle_num_pages(HWND hMainWnd)
update_preview(hMainWnd); update_preview(hMainWnd);
} }
LRESULT CALLBACK preview_proc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CREATE:
{
HWND hMainWnd = GetParent(hWnd);
HWND hEditorWnd = GetDlgItem(hMainWnd, IDC_EDITOR);
FORMATRANGE fr;
GETTEXTLENGTHEX gt = {GTL_DEFAULT, 1200};
HDC hdc = GetDC(hWnd);
HDC hdcTarget = make_dc();
fr.rc = preview.rcPage = get_print_rect(hdcTarget);
preview.rcPage.bottom += margins.bottom;
preview.rcPage.right += margins.right;
preview.rcPage.top = preview.rcPage.left = 0;
fr.rcPage = preview.rcPage;
preview.bmSize.cx = twips_to_pixels(preview.rcPage.right, GetDeviceCaps(hdc, LOGPIXELSX));
preview.bmSize.cy = twips_to_pixels(preview.rcPage.bottom, GetDeviceCaps(hdc, LOGPIXELSY));
preview.textlength = SendMessageW(hEditorWnd, EM_GETTEXTLENGTHEX, (WPARAM)&gt, 0);
fr.hdc = CreateCompatibleDC(hdc);
fr.hdcTarget = hdcTarget;
fr.chrg.cpMin = 0;
fr.chrg.cpMax = preview.textlength;
DeleteDC(fr.hdc);
DeleteDC(hdcTarget);
ReleaseDC(hWnd, hdc);
update_preview_sizes(hWnd, TRUE);
update_preview(hMainWnd);
break;
}
case WM_PAINT:
return print_preview(hWnd);
case WM_SIZE:
{
update_preview_sizes(hWnd, FALSE);
update_scaled_preview(hWnd);
break;
}
case WM_VSCROLL:
case WM_HSCROLL:
{
SCROLLINFO si;
RECT rc;
int nBar = (msg == WM_VSCROLL) ? SB_VERT : SB_HORZ;
int origPos;
GetClientRect(hWnd, &rc);
si.cbSize = sizeof(si);
si.fMask = SIF_ALL;
GetScrollInfo(hWnd, nBar, &si);
origPos = si.nPos;
switch(LOWORD(wParam))
{
case SB_TOP: /* == SB_LEFT */
si.nPos = si.nMin;
break;
case SB_BOTTOM: /* == SB_RIGHT */
si.nPos = si.nMax;
break;
case SB_LINEUP: /* == SB_LINELEFT */
si.nPos -= si.nPage / 10;
break;
case SB_LINEDOWN: /* == SB_LINERIGHT */
si.nPos += si.nPage / 10;
break;
case SB_PAGEUP: /* == SB_PAGELEFT */
si.nPos -= si.nPage;
break;
case SB_PAGEDOWN: /* SB_PAGERIGHT */
si.nPos += si.nPage;
break;
case SB_THUMBTRACK:
si.nPos = si.nTrackPos;
break;
}
si.fMask = SIF_POS;
SetScrollInfo(hWnd, nBar, &si, TRUE);
GetScrollInfo(hWnd, nBar, &si);
if (si.nPos != origPos)
{
int amount = origPos - si.nPos;
if (msg == WM_VSCROLL)
ScrollWindow(hWnd, 0, amount, NULL, NULL);
else
ScrollWindow(hWnd, amount, 0, NULL, NULL);
}
return 0;
}
default:
return DefWindowProcW(hWnd, msg, wParam, lParam);
}
return 0;
}
LRESULT preview_command(HWND hWnd, WPARAM wParam) LRESULT preview_command(HWND hWnd, WPARAM wParam)
{ {
switch(LOWORD(wParam)) switch(LOWORD(wParam))
......
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