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wordpad: Number of preview pages to show when unzoomed is persistent.

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Either one or two pages may be shown in print preview when zoomed out.
This value is stored in the registry in native wordpad, and preserved
while opening and closing the print preview.  Zooming in will only show one
page, but the pages shown value must be saved because it will return to the
preview pages shown value after unzooming completely. If two pages should
be shown when there is only one page of text, then a second blank page is
shown.
This commit is contained in:
Dylan Smith 2010-02-24 02:29:02 -05:00 committed by Alexandre Julliard
parent adc2c9547e
commit 3355be3e5d
3 changed files with 83 additions and 28 deletions
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94
programs/wordpad/print.c
View file

@ -28,6 +28,7 @@ typedef struct _previewinfo
{
int page;
int pages_shown;
int saved_pages_shown;
int *pageEnds, pageCapacity;
int textlength;
HDC hdc;
@ -53,6 +54,7 @@ static previewinfo preview;
extern const WCHAR wszPreviewWndClass[];
static const WCHAR var_pagemargin[] = {'P','a','g','e','M','a','r','g','i','n',0};
static const WCHAR var_previewpages[] = {'P','r','e','v','i','e','w','P','a','g','e','s',0};
static LPWSTR get_print_file_filter(HWND hMainWnd)
{
@ -95,6 +97,28 @@ void registry_read_pagemargins(HKEY hKey)
}
}
void registry_set_previewpages(HKEY hKey)
{
RegSetValueExW(hKey, var_previewpages, 0, REG_DWORD,
(LPBYTE)&preview.pages_shown, sizeof(DWORD));
}
void registry_read_previewpages(HKEY hKey)
{
DWORD size = sizeof(DWORD);
if(!hKey ||
RegQueryValueExW(hKey, var_previewpages, 0, NULL,
(LPBYTE)&preview.pages_shown, &size) != ERROR_SUCCESS ||
size != sizeof(DWORD))
{
preview.pages_shown = 1;
} else {
if (preview.pages_shown < 1) preview.pages_shown = 1;
else if (preview.pages_shown > 2) preview.pages_shown = 2;
}
}
static void AddTextButton(HWND hRebarWnd, UINT string, UINT command, UINT id)
{
REBARBANDINFOW rb;
@ -576,11 +600,13 @@ static void preview_bar_show(HWND hMainWnd, BOOL show)
{
REBARBANDINFOW rb;
HWND hStatic;
UINT num_pages_string = preview.pages_shown > 1 ? STRING_PREVIEW_ONEPAGE :
STRING_PREVIEW_TWOPAGES;
AddTextButton(hReBar, STRING_PREVIEW_PRINT, ID_PRINT, BANDID_PREVIEW_BTN1);
AddTextButton(hReBar, STRING_PREVIEW_NEXTPAGE, ID_PREVIEW_NEXTPAGE, BANDID_PREVIEW_BTN2);
AddTextButton(hReBar, STRING_PREVIEW_PREVPAGE, ID_PREVIEW_PREVPAGE, BANDID_PREVIEW_BTN3);
AddTextButton(hReBar, STRING_PREVIEW_TWOPAGES, ID_PREVIEW_NUMPAGES, BANDID_PREVIEW_BTN4);
AddTextButton(hReBar, num_pages_string, ID_PREVIEW_NUMPAGES, BANDID_PREVIEW_BTN4);
AddTextButton(hReBar, STRING_PREVIEW_ZOOMIN, ID_PREVIEW_ZOOMIN, BANDID_PREVIEW_BTN5);
AddTextButton(hReBar, STRING_PREVIEW_ZOOMOUT, ID_PREVIEW_ZOOMOUT, BANDID_PREVIEW_BTN6);
AddTextButton(hReBar, STRING_PREVIEW_CLOSE, ID_FILE_EXIT, BANDID_PREVIEW_BTN7);
@ -681,7 +707,7 @@ static void update_preview_sizes(HWND hwndPreview, BOOL zoomLevelUpdated)
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, BOOL draw_margins)
{
HBITMAP hBitmapScaled = CreateCompatibleBitmap(hdc, bmNewWidth, bmNewHeight);
HBITMAP oldbm;
@ -701,6 +727,8 @@ static void draw_preview_page(HDC hdc, HDC* hdcSized, FORMATRANGE* lpFr, float r
StretchBlt(*hdcSized, 0, 0, bmNewWidth, bmNewHeight, hdc, 0, 0, bmWidth, bmHeight, SRCCOPY);
if (!draw_margins) return;
/* Draw margin lines */
hPen = CreatePen(PS_DOT, 1, RGB(0,0,0));
oldPen = SelectObject(*hdcSized, hPen);
@ -719,6 +747,11 @@ static void draw_preview_page(HDC hdc, HDC* hdcSized, FORMATRANGE* lpFr, float r
DeleteObject(hPen);
}
static BOOL is_last_preview_page(int page)
{
return preview.pageEnds[page - 1] >= preview.textlength;
}
/* Update for zoom ratio changes with same page. */
static void update_scaled_preview(HWND hMainWnd)
{
@ -740,13 +773,14 @@ static void update_scaled_preview(HWND hMainWnd)
draw_preview_page(preview.hdc, &preview.hdcSized, &fr, preview.zoomratio,
preview.bmScaledSize.cx, preview.bmScaledSize.cy,
preview.bmSize.cx, preview.bmSize.cy);
preview.bmSize.cx, preview.bmSize.cy, TRUE);
if(preview.pages_shown > 1)
{
draw_preview_page(preview.hdc2, &preview.hdcSized2, &fr, preview.zoomratio,
preview.bmScaledSize.cx, preview.bmScaledSize.cy,
preview.bmSize.cx, preview.bmSize.cy);
preview.bmSize.cx, preview.bmSize.cy,
!is_last_preview_page(preview.page));
}
InvalidateRect(hwndPreview, NULL, TRUE);
@ -764,7 +798,6 @@ void init_preview(HWND hMainWnd, LPWSTR 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,
@ -780,6 +813,8 @@ void close_preview(HWND hMainWnd)
HeapFree(GetProcessHeap(), 0, preview.pageEnds);
preview.pageEnds = NULL;
preview.pageCapacity = 0;
if (preview.zoomlevel > 0)
preview.pages_shown = preview.saved_pages_shown;
if(preview.hdc) {
HBITMAP oldbm = GetCurrentObject(preview.hdc, OBJ_BITMAP);
DeleteDC(preview.hdc);
@ -833,8 +868,9 @@ static void draw_preview(HWND hEditorWnd, FORMATRANGE* lpFr, RECT* paper, int pa
preview.pageEnds = new_buffer;
}
lpFr->chrg.cpMin = page <= 1 ? 0 : preview.pageEnds[page-2];
FillRect(lpFr->hdc, paper, GetStockObject(WHITE_BRUSH));
if (page > 1 && is_last_preview_page(page - 1)) return;
lpFr->chrg.cpMin = page <= 1 ? 0 : preview.pageEnds[page-2];
bottom = lpFr->rc.bottom;
preview.pageEnds[page-1] = SendMessageW(hEditorWnd, EM_FORMATRANGE, TRUE, (LPARAM)lpFr);
@ -844,19 +880,16 @@ static void draw_preview(HWND hEditorWnd, FORMATRANGE* lpFr, RECT* paper, int pa
SendMessageW(hEditorWnd, EM_FORMATRANGE, FALSE, 0);
}
static BOOL is_last_preview_page(int page)
{
return preview.pageEnds[page - 1] >= preview.textlength;
}
static void update_preview_buttons(HWND hMainWnd)
{
HWND hReBar = GetDlgItem(hMainWnd, IDC_REBAR);
EnableWindow(GetDlgItem(hReBar, ID_PREVIEW_PREVPAGE), preview.page > 1);
EnableWindow(GetDlgItem(hReBar, ID_PREVIEW_NEXTPAGE),
!is_last_preview_page(preview.page) &&
!is_last_preview_page(preview.page + preview.pages_shown - 1));
EnableWindow(GetDlgItem(hReBar, ID_PREVIEW_NUMPAGES),
!is_last_preview_page(1) && preview.zoomlevel == 0);
preview.pages_shown > 1 ||
(!is_last_preview_page(1) && preview.zoomlevel == 0));
EnableWindow(GetDlgItem(hReBar, ID_PREVIEW_ZOOMIN), preview.zoomlevel < 2);
EnableWindow(GetDlgItem(hReBar, ID_PREVIEW_ZOOMOUT), preview.zoomlevel > 0);
}
@ -969,18 +1002,15 @@ static void toggle_num_pages(HWND hMainWnd)
HWND hReBar = GetDlgItem(hMainWnd, IDC_REBAR);
WCHAR name[MAX_STRING_LEN];
HINSTANCE hInst = GetModuleHandleW(0);
int nPreviewPages;
if(preview.pages_shown > 1)
{
preview.pages_shown = 1;
} else {
if(is_last_preview_page(preview.page))
preview.page--;
preview.pages_shown = 2;
}
preview.pages_shown = preview.pages_shown > 1 ? 1 : 2;
LoadStringW(hInst, preview.pages_shown > 1 ? STRING_PREVIEW_ONEPAGE :
STRING_PREVIEW_TWOPAGES,
nPreviewPages = preview.zoomlevel > 0 ? preview.saved_pages_shown :
preview.pages_shown;
LoadStringW(hInst, nPreviewPages > 1 ? STRING_PREVIEW_ONEPAGE :
STRING_PREVIEW_TWOPAGES,
name, MAX_STRING_LEN);
SetWindowTextW(GetDlgItem(hReBar, ID_PREVIEW_NUMPAGES), name);
@ -1006,7 +1036,7 @@ int preview_page_hittest(POINT pt)
rc.left += preview.bmScaledSize.cx + preview.spacing.cx;
rc.right += preview.bmScaledSize.cx + preview.spacing.cx;
if (PtInRect(&rc, pt))
return 2;
return is_last_preview_page(preview.page) ? 1 : 2;
return 0;
}
@ -1155,10 +1185,14 @@ LRESULT CALLBACK preview_proc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
pt.x /= preview.zoomratio;
pt.y /= preview.zoomratio;
if (preview.zoomlevel == 0)
preview.saved_pages_shown = preview.pages_shown;
preview.zoomlevel = (preview.zoomlevel + 1) % 3;
preview.zoomratio = 0;
if (preview.pages_shown > 1)
if (preview.zoomlevel == 0 && preview.saved_pages_shown > 1)
{
toggle_num_pages(hMainWnd);
} else if (preview.pages_shown > 1) {
if (page >= 2) preview.page++;
toggle_num_pages(hMainWnd);
} else {
@ -1221,6 +1255,8 @@ LRESULT preview_command(HWND hWnd, WPARAM wParam)
case ID_PREVIEW_ZOOMIN:
if (preview.zoomlevel < 2)
{
if (preview.zoomlevel == 0)
preview.saved_pages_shown = preview.pages_shown;
preview.zoomlevel++;
preview.zoomratio = 0;
if (preview.pages_shown > 1)
@ -1242,9 +1278,13 @@ LRESULT preview_command(HWND hWnd, WPARAM wParam)
HWND hwndPreview = GetDlgItem(hWnd, IDC_PREVIEW);
preview.zoomlevel--;
preview.zoomratio = 0;
update_preview_sizes(hwndPreview, TRUE);
update_scaled_preview(hWnd);
update_preview_buttons(hWnd);
if (preview.zoomlevel == 0 && preview.saved_pages_shown > 1) {
toggle_num_pages(hWnd);
} else {
update_preview_sizes(hwndPreview, TRUE);
update_scaled_preview(hWnd);
update_preview_buttons(hWnd);
}
}
break;

15
programs/wordpad/registry.c
View file

@ -27,6 +27,7 @@
static const WCHAR key_recentfiles[] = {'R','e','c','e','n','t',' ','f','i','l','e',
' ','l','i','s','t',0};
static const WCHAR key_options[] = {'O','p','t','i','o','n','s',0};
static const WCHAR key_settings[] = {'S','e','t','t','i','n','g','s',0};
static const WCHAR key_rtf[] = {'R','T','F',0};
static const WCHAR key_text[] = {'T','e','x','t',0};
@ -94,9 +95,14 @@ void registry_set_options(HWND hMainWnd)
RegSetValueExW(hKey, var_maximized, 0, REG_DWORD, (LPBYTE)&isMaximized, sizeof(DWORD));
registry_set_pagemargins(hKey);
RegCloseKey(hKey);
}
RegCloseKey(hKey);
if(registry_get_handle(&hKey, &action, key_settings) == ERROR_SUCCESS)
{
registry_set_previewpages(hKey);
RegCloseKey(hKey);
}
}
void registry_read_winrect(RECT* rc)
@ -339,6 +345,13 @@ void registry_read_options(void)
registry_read_pagemargins(hKey);
RegCloseKey(hKey);
}
if(registry_get_handle(&hKey, 0, key_settings) != ERROR_SUCCESS) {
registry_read_previewpages(NULL);
} else {
registry_read_previewpages(hKey);
RegCloseKey(hKey);
}
}
static void registry_read_formatopts(int index, LPCWSTR key, DWORD barState[], DWORD wordWrap[])

2
programs/wordpad/wordpad.h
View file

@ -249,6 +249,8 @@ LRESULT print_preview(HWND);
void get_default_printer_opts(void);
void registry_set_pagemargins(HKEY);
void registry_read_pagemargins(HKEY);
void registry_set_previewpages(HKEY hKey);
void registry_read_previewpages(HKEY hKey);
LRESULT CALLBACK ruler_proc(HWND, UINT, WPARAM, LPARAM);
void redraw_ruler(HWND);