static void DrawProperties(HWND hwnd, HDC hdc)
{
PropertiesLayout *layoutData = FindPropertyWindowByHwnd(hwnd);
ScopedFont fontLeftTxt(GetSimpleFont(hdc, LEFT_TXT_FONT, LEFT_TXT_FONT_SIZE));
ScopedFont fontRightTxt(GetSimpleFont(hdc, RIGHT_TXT_FONT, RIGHT_TXT_FONT_SIZE));
HGDIOBJ origFont = SelectObject(hdc, fontLeftTxt); /* Just to remember the orig font */
SetBkMode(hdc, TRANSPARENT);
ClientRect rcClient(hwnd);
FillRect(hdc, &rcClient.ToRECT(), gBrushAboutBg);
SetTextColor(hdc, WIN_COL_BLACK);
/* render text on the left*/
SelectObject(hdc, fontLeftTxt);
for (size_t i = 0; i < layoutData->Count(); i++) {
PropertyEl *el = layoutData->At(i);
DrawText(hdc, el->leftTxt, -1, &el->leftPos.ToRECT(), DT_RIGHT | DT_NOPREFIX);
}
/* render text on the right */
SelectObject(hdc, fontRightTxt);
for (size_t i = 0; i < layoutData->Count(); i++) {
PropertyEl *el = layoutData->At(i);
RectI rc = el->rightPos;
if (rc.x + rc.dx > rcClient.x + rcClient.dx - PROPERTIES_RECT_PADDING)
rc.dx = rcClient.x + rcClient.dx - PROPERTIES_RECT_PADDING - rc.x;
DrawText(hdc, el->rightTxt, -1, &rc.ToRECT(), DT_LEFT | DT_PATH_ELLIPSIS | DT_NOPREFIX);
}
SelectObject(hdc, origFont);
}
static void DrawSumatraVersion(HDC hdc, RectI rect)
{
ScopedFont fontSumatraTxt(GetSimpleFont(hdc, SUMATRA_TXT_FONT, SUMATRA_TXT_FONT_SIZE));
ScopedFont fontVersionTxt(GetSimpleFont(hdc, VERSION_TXT_FONT, VERSION_TXT_FONT_SIZE));
HGDIOBJ oldFont = SelectObject(hdc, fontSumatraTxt);
SetBkMode(hdc, TRANSPARENT);
SIZE txtSize;
const WCHAR *txt = APP_NAME_STR;
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
RectI mainRect(rect.x + (rect.dx - txtSize.cx) / 2,
rect.y + (rect.dy - txtSize.cy) / 2, txtSize.cx, txtSize.cy);
DrawSumatraPDF(hdc, mainRect.TL());
SetTextColor(hdc, WIN_COL_BLACK);
SelectObject(hdc, fontVersionTxt);
PointI pt(mainRect.x + mainRect.dx + ABOUT_INNER_PADDING, mainRect.y);
txt = VERSION_TXT;
TextOut(hdc, pt.x, pt.y, txt, (int)str::Len(txt));
txt = VERSION_SUB_TXT;
TextOut(hdc, pt.x, pt.y + 16, txt, (int)str::Len(txt));
SelectObject(hdc, oldFont);
}
static void UpdatePropertiesLayout(PropertiesLayout *layoutData, HDC hdc, RectI *rect)
{
ScopedFont fontLeftTxt(GetSimpleFont(hdc, LEFT_TXT_FONT, LEFT_TXT_FONT_SIZE));
ScopedFont fontRightTxt(GetSimpleFont(hdc, RIGHT_TXT_FONT, RIGHT_TXT_FONT_SIZE));
HGDIOBJ origFont = SelectObject(hdc, fontLeftTxt);
/* calculate text dimensions for the left side */
SelectObject(hdc, fontLeftTxt);
int leftMaxDx = 0;
for (size_t i = 0; i < layoutData->Count(); i++) {
PropertyEl *el = layoutData->At(i);
RECT rc = { 0 };
DrawText(hdc, el->leftTxt, -1, &rc, DT_NOPREFIX | DT_CALCRECT);
el->leftPos.dx = rc.right - rc.left;
// el->leftPos.dy is set below to be equal to el->rightPos.dy
if (el->leftPos.dx > leftMaxDx)
leftMaxDx = el->leftPos.dx;
}
/* calculate text dimensions for the right side */
SelectObject(hdc, fontRightTxt);
int rightMaxDx = 0;
int lineCount = 0;
int textDy = 0;
for (size_t i = 0; i < layoutData->Count(); i++) {
PropertyEl *el = layoutData->At(i);
RECT rc = { 0 };
DrawText(hdc, el->rightTxt, -1, &rc, DT_NOPREFIX | DT_CALCRECT);
el->rightPos.dx = rc.right - rc.left;
el->leftPos.dy = el->rightPos.dy = rc.bottom - rc.top;
textDy += el->rightPos.dy;
if (el->rightPos.dx > rightMaxDx)
rightMaxDx = el->rightPos.dx;
lineCount++;
}
assert(lineCount > 0 && textDy > 0);
int totalDx = leftMaxDx + PROPERTIES_LEFT_RIGHT_SPACE_DX + rightMaxDx;
int totalDy = 4;
totalDy += textDy + (lineCount - 1) * PROPERTIES_TXT_DY_PADDING;
totalDy += 4;
int offset = PROPERTIES_RECT_PADDING;
if (rect)
*rect = RectI(0, 0, totalDx + 2 * offset, totalDy + offset);
int currY = 0;
for (size_t i = 0; i < layoutData->Count(); i++) {
PropertyEl *el = layoutData->At(i);
el->leftPos = RectI(offset, offset + currY, leftMaxDx, el->leftPos.dy);
el->rightPos.x = offset + leftMaxDx + PROPERTIES_LEFT_RIGHT_SPACE_DX;
el->rightPos.y = offset + currY;
currY += el->rightPos.dy + PROPERTIES_TXT_DY_PADDING;
}
SelectObject(hdc, origFont);
}
static SizeI CalcSumatraVersionSize(HDC hdc)
{
SizeI result;
ScopedFont fontSumatraTxt(GetSimpleFont(hdc, SUMATRA_TXT_FONT, SUMATRA_TXT_FONT_SIZE));
ScopedFont fontVersionTxt(GetSimpleFont(hdc, VERSION_TXT_FONT, VERSION_TXT_FONT_SIZE));
HGDIOBJ oldFont = SelectObject(hdc, fontSumatraTxt);
SIZE txtSize;
/* calculate minimal top box size */
const WCHAR *txt = APP_NAME_STR;
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
result.dy = txtSize.cy + ABOUT_BOX_MARGIN_DY * 2;
result.dx = txtSize.cx;
/* consider version and version-sub strings */
SelectObject(hdc, fontVersionTxt);
txt = VERSION_TXT;
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
int minWidth = txtSize.cx;
txt = VERSION_SUB_TXT;
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
txtSize.cx = max(txtSize.cx, minWidth);
result.dx += 2 * (txtSize.cx + ABOUT_INNER_PADDING);
SelectObject(hdc, oldFont);
return result;
}
static RectI DrawBottomRightLink(HWND hwnd, HDC hdc, const WCHAR *txt)
{
ScopedFont fontLeftTxt(GetSimpleFont(hdc, L"MS Shell Dlg", 14));
HPEN penLinkLine = CreatePen(PS_SOLID, 1, COL_BLUE_LINK);
HGDIOBJ origFont = SelectObject(hdc, fontLeftTxt); /* Just to remember the orig font */
SetTextColor(hdc, COL_BLUE_LINK);
SetBkMode(hdc, TRANSPARENT);
ClientRect rc(hwnd);
SIZE txtSize;
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
RectI rect(rc.dx - txtSize.cx - ABOUT_INNER_PADDING,
rc.y + rc.dy - txtSize.cy - ABOUT_INNER_PADDING, txtSize.cx, txtSize.cy);
if (IsUIRightToLeft())
rect.x = ABOUT_INNER_PADDING;
DrawText(hdc, txt, -1, &rect.ToRECT(), IsUIRightToLeft() ? DT_RTLREADING : DT_LEFT);
SelectObject(hdc, penLinkLine);
PaintLine(hdc, RectI(rect.x, rect.y + rect.dy, rect.dx, 0));
SelectObject(hdc, origFont);
DeleteObject(penLinkLine);
// make the click target larger
rect.Inflate(ABOUT_INNER_PADDING, ABOUT_INNER_PADDING);
return rect;
}
LRESULT CALLBACK PluginWndProc(HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam)
{
NPP instance = (NPP)GetWindowLongPtr(hWnd, GWLP_USERDATA);
if (uiMsg == WM_PAINT)
{
InstanceData *data = (InstanceData *)instance->pdata;
PAINTSTRUCT ps;
HDC hDC = BeginPaint(hWnd, &ps);
HBRUSH brushBg = CreateSolidBrush(COL_WINDOW_BG);
HFONT hFont = GetSimpleFont(hDC, L"MS Shell Dlg", 14);
bool isRtL = IsLanguageRtL(gTranslationIdx);
// set up double buffering
RectI rcClient = ClientRect(hWnd);
DoubleBuffer buffer(hWnd, rcClient);
HDC hDCBuffer = buffer.GetDC();
// display message centered in the window
RECT rectClient = rcClient.ToRECT();
FillRect(hDCBuffer, &rectClient, brushBg);
hFont = (HFONT)SelectObject(hDCBuffer, hFont);
SetTextColor(hDCBuffer, RGB(0, 0, 0));
SetBkMode(hDCBuffer, TRANSPARENT);
DrawCenteredText(hDCBuffer, rcClient, data->message, isRtL);
// draw a progress bar, if a download is in progress
if (0 < data->progress && data->progress <= 1)
{
SIZE msgSize;
RectI rcProgress = rcClient;
HBRUSH brushProgress = CreateSolidBrush(RGB(0x80, 0x80, 0xff));
GetTextExtentPoint32(hDCBuffer, data->message, (int)str::Len(data->message), &msgSize);
rcProgress.Inflate(-(rcProgress.dx - msgSize.cx) / 2, -(rcProgress.dy - msgSize.cy) / 2 + 2);
rcProgress.Offset(0, msgSize.cy + 4 + 2);
RECT rectProgress = rcProgress.ToRECT();
FillRect(hDCBuffer, &rectProgress, GetStockBrush(WHITE_BRUSH));
RectI rcProgressAll = rcProgress;
rcProgress.dx = (int)(data->progress * rcProgress.dx);
rectProgress = rcProgress.ToRECT();
FillRect(hDCBuffer, &rectProgress, brushProgress);
DeleteObject(brushProgress);
ScopedMem<WCHAR> currSize(FormatSizeSuccint(data->currSize));
if (0 == data->totalSize || data->currSize > data->totalSize)
{
// total size unknown or bogus => show just the current size
DrawCenteredText(hDCBuffer, rcProgressAll, currSize, isRtL);
}
else
{
ScopedMem<WCHAR> totalSize(FormatSizeSuccint(data->totalSize));
ScopedMem<WCHAR> s(str::Format(_TR("%s of %s"), currSize, totalSize));
DrawCenteredText(hDCBuffer, rcProgressAll, s, isRtL);
}
}
// draw the buffer on screen
buffer.Flush(hDC);
DeleteObject(SelectObject(hDCBuffer, hFont));
DeleteObject(brushBg);
EndPaint(hWnd, &ps);
HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);
if (hChild)
InvalidateRect(hChild, NULL, FALSE);
}
else if (uiMsg == WM_SIZE)
{
HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);
if (hChild)
{
ClientRect rcClient(hWnd);
MoveWindow(hChild, rcClient.x, rcClient.y, rcClient.dx, rcClient.dy, FALSE);
}
}
else if (uiMsg == WM_COPYDATA)
{
COPYDATASTRUCT *cds = (COPYDATASTRUCT *)lParam;
if (cds && 0x4C5255 /* URL */ == cds->dwData)
{
plogf("sp: NPN_GetURL %s", cds->dwData, (const char *)cds->lpData);
gNPNFuncs.geturl(instance, (const char *)cds->lpData, "_blank");
return TRUE;
}
}
return DefWindowProc(hWnd, uiMsg, wParam, lParam);
}
LRESULT CALLBACK PluginWndProc(HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam)
{
InstanceData *data = (InstanceData *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
if (uiMsg == WM_PAINT)
{
PAINTSTRUCT ps;
HDC hDC = BeginPaint(hWnd, &ps);
HBRUSH brushBg = CreateSolidBrush(COL_WINDOW_BG);
HFONT hFont = GetSimpleFont(hDC, _T("MS Shell Dlg"), 14);
// set up double buffering
RectI rcClient = ClientRect(hWnd);
DoubleBuffer buffer(hWnd, rcClient);
HDC hDCBuffer = buffer.GetDC();
// display message centered in the window
FillRect(hDCBuffer, &rcClient.ToRECT(), brushBg);
hFont = (HFONT)SelectObject(hDCBuffer, hFont);
SetTextColor(hDCBuffer, RGB(0, 0, 0));
SetBkMode(hDCBuffer, TRANSPARENT);
DrawCenteredText(hDCBuffer, rcClient, data->message);
// draw a progress bar, if a download is in progress
if (0 < data->progress && data->progress <= 1)
{
SIZE msgSize;
RectI rcProgress = rcClient;
HBRUSH brushProgress = CreateSolidBrush(RGB(0x80, 0x80, 0xff));
GetTextExtentPoint32(hDCBuffer, data->message, (int)str::Len(data->message), &msgSize);
rcProgress.Inflate(-(rcProgress.dx - msgSize.cx) / 2, -(rcProgress.dy - msgSize.cy) / 2 + 2);
rcProgress.Offset(0, msgSize.cy + 4 + 2);
FillRect(hDCBuffer, &rcProgress.ToRECT(), GetStockBrush(WHITE_BRUSH));
RectI rcProgressAll = rcProgress;
rcProgress.dx = (int)(data->progress * rcProgress.dx);
FillRect(hDCBuffer, &rcProgress.ToRECT(), brushProgress);
DeleteObject(brushProgress);
ScopedMem<TCHAR> currSize(FormatSizeSuccint(data->currSize));
if (0 == data->totalSize || data->currSize > data->totalSize)
{
// total size unknown or bogus => show just the current size
DrawCenteredText(hDCBuffer, rcProgressAll, currSize);
}
else
{
ScopedMem<TCHAR> totalSize(FormatSizeSuccint(data->totalSize));
ScopedMem<TCHAR> s(str::Format(_T("%s of %s"), currSize, totalSize));
DrawCenteredText(hDCBuffer, rcProgressAll, s);
}
}
// draw the buffer on screen
buffer.Flush(hDC);
DeleteObject(SelectObject(hDCBuffer, hFont));
DeleteObject(brushBg);
EndPaint(hWnd, &ps);
HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);
if (hChild)
InvalidateRect(hChild, NULL, FALSE);
}
else if (uiMsg == WM_SIZE)
{
HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);
if (hChild)
{
ClientRect rcClient(hWnd);
MoveWindow(hChild, rcClient.x, rcClient.y, rcClient.dx, rcClient.dy, FALSE);
}
}
return DefWindowProc(hWnd, uiMsg, wParam, lParam);
}
void DrawStartPage(WindowInfo& win, HDC hdc, FileHistory& fileHistory, COLORREF colorRange[2])
{
HPEN penBorder = CreatePen(PS_SOLID, DOCLIST_SEPARATOR_DY, WIN_COL_BLACK);
HPEN penThumbBorder = CreatePen(PS_SOLID, DOCLIST_THUMBNAIL_BORDER_W, WIN_COL_BLACK);
HPEN penLinkLine = CreatePen(PS_SOLID, 1, COL_BLUE_LINK);
ScopedFont fontSumatraTxt(GetSimpleFont(hdc, L"MS Shell Dlg", 24));
ScopedFont fontLeftTxt(GetSimpleFont(hdc, L"MS Shell Dlg", 14));
HGDIOBJ origFont = SelectObject(hdc, fontSumatraTxt); /* Just to remember the orig font */
ClientRect rc(win.hwndCanvas);
FillRect(hdc, &rc.ToRECT(), gBrushLogoBg);
SelectObject(hdc, gBrushLogoBg);
SelectObject(hdc, penBorder);
bool isRtl = IsUIRightToLeft();
/* render title */
RectI titleBox = RectI(PointI(0, 0), CalcSumatraVersionSize(hdc));
titleBox.x = rc.dx - titleBox.dx - 3;
DrawSumatraVersion(hdc, titleBox);
PaintLine(hdc, RectI(0, titleBox.dy, rc.dx, 0));
/* render recent files list */
SelectObject(hdc, penThumbBorder);
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, WIN_COL_BLACK);
rc.y += titleBox.dy;
rc.dy -= titleBox.dy;
FillRect(hdc, &rc.ToRECT(), gBrushAboutBg);
rc.dy -= DOCLIST_BOTTOM_BOX_DY;
Vec<DisplayState *> list;
fileHistory.GetFrequencyOrder(list);
int width = limitValue((rc.dx - DOCLIST_MARGIN_LEFT - DOCLIST_MARGIN_RIGHT + DOCLIST_MARGIN_BETWEEN_X) / (THUMBNAIL_DX + DOCLIST_MARGIN_BETWEEN_X), 1, DOCLIST_MAX_THUMBNAILS_X);
int height = min((rc.dy - DOCLIST_MARGIN_TOP - DOCLIST_MARGIN_BOTTOM + DOCLIST_MARGIN_BETWEEN_Y) / (THUMBNAIL_DY + DOCLIST_MARGIN_BETWEEN_Y), FILE_HISTORY_MAX_FREQUENT / width);
PointI offset(rc.x + DOCLIST_MARGIN_LEFT + (rc.dx - width * THUMBNAIL_DX - (width - 1) * DOCLIST_MARGIN_BETWEEN_X - DOCLIST_MARGIN_LEFT - DOCLIST_MARGIN_RIGHT) / 2, rc.y + DOCLIST_MARGIN_TOP);
if (offset.x < ABOUT_INNER_PADDING)
offset.x = ABOUT_INNER_PADDING;
else if (list.Count() == 0)
offset.x = DOCLIST_MARGIN_LEFT;
SelectObject(hdc, fontSumatraTxt);
SIZE txtSize;
const WCHAR *txt = _TR("Frequently Read");
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
RectI headerRect(offset.x, rc.y + (DOCLIST_MARGIN_TOP - txtSize.cy) / 2, txtSize.cx, txtSize.cy);
if (isRtl)
headerRect.x = rc.dx - offset.x - headerRect.dx;
DrawText(hdc, txt, -1, &headerRect.ToRECT(), (isRtl ? DT_RTLREADING : DT_LEFT) | DT_NOPREFIX);
SelectObject(hdc, fontLeftTxt);
SelectObject(hdc, GetStockBrush(NULL_BRUSH));
win.staticLinks.Reset();
for (int h = 0; h < height; h++) {
for (int w = 0; w < width; w++) {
if (h * width + w >= (int)list.Count()) {
// display the "Open a document" link right below the last row
height = w > 0 ? h + 1 : h;
break;
}
DisplayState *state = list.At(h * width + w);
RectI page(offset.x + w * (int)(THUMBNAIL_DX + DOCLIST_MARGIN_BETWEEN_X * win.uiDPIFactor),
offset.y + h * (int)(THUMBNAIL_DY + DOCLIST_MARGIN_BETWEEN_Y * win.uiDPIFactor),
THUMBNAIL_DX, THUMBNAIL_DY);
if (isRtl)
page.x = rc.dx - page.x - page.dx;
bool loadOk = true;
if (!state->thumbnail)
loadOk = LoadThumbnail(*state);
if (loadOk && state->thumbnail) {
SizeI thumbSize = state->thumbnail->Size();
if (thumbSize.dx != THUMBNAIL_DX || thumbSize.dy != THUMBNAIL_DY) {
page.dy = thumbSize.dy * THUMBNAIL_DX / thumbSize.dx;
page.y += THUMBNAIL_DY - page.dy;
}
HRGN clip = CreateRoundRectRgn(page.x, page.y, page.x + page.dx, page.y + page.dy, 10, 10);
SelectClipRgn(hdc, clip);
RenderedBitmap *clone = state->thumbnail->Clone();
UpdateBitmapColorRange(clone->GetBitmap(), colorRange);
clone->StretchDIBits(hdc, page);
SelectClipRgn(hdc, NULL);
DeleteObject(clip);
delete clone;
}
RoundRect(hdc, page.x, page.y, page.x + page.dx, page.y + page.dy, 10, 10);
int iconSpace = (int)(20 * win.uiDPIFactor);
RectI rect(page.x + iconSpace, page.y + page.dy + 3, page.dx - iconSpace, iconSpace);
if (isRtl)
rect.x -= iconSpace;
DrawText(hdc, path::GetBaseName(state->filePath), -1, &rect.ToRECT(), DT_SINGLELINE | DT_END_ELLIPSIS | DT_NOPREFIX | (isRtl ? DT_RIGHT : DT_LEFT));
SHFILEINFO sfi;
HIMAGELIST himl = (HIMAGELIST)SHGetFileInfo(state->filePath, 0, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_USEFILEATTRIBUTES);
ImageList_Draw(himl, sfi.iIcon, hdc,
isRtl ? page.x + page.dx - (int)(16 * win.uiDPIFactor) : page.x,
rect.y, ILD_TRANSPARENT);
win.staticLinks.Append(StaticLinkInfo(rect.Union(page), state->filePath, state->filePath));
}
}
/* render bottom links */
rc.y += DOCLIST_MARGIN_TOP + height * THUMBNAIL_DY + (height - 1) * DOCLIST_MARGIN_BETWEEN_Y + DOCLIST_MARGIN_BOTTOM;
rc.dy = DOCLIST_BOTTOM_BOX_DY;
SetTextColor(hdc, COL_BLUE_LINK);
SelectObject(hdc, penLinkLine);
HIMAGELIST himl = (HIMAGELIST)SendMessage(win.hwndToolbar, TB_GETIMAGELIST, 0, 0);
RectI rectIcon(offset.x, rc.y, 0, 0);
ImageList_GetIconSize(himl, &rectIcon.dx, &rectIcon.dy);
rectIcon.y += (rc.dy - rectIcon.dy) / 2;
if (isRtl)
rectIcon.x = rc.dx - offset.x - rectIcon.dx;
ImageList_Draw(himl, 0 /* index of Open icon */, hdc, rectIcon.x, rectIcon.y, ILD_NORMAL);
txt = _TR("Open a document...");
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
RectI rect(offset.x + rectIcon.dx + 3, rc.y + (rc.dy - txtSize.cy) / 2, txtSize.cx, txtSize.cy);
if (isRtl)
rect.x = rectIcon.x - rect.dx - 3;
DrawText(hdc, txt, -1, &rect.ToRECT(), isRtl ? DT_RTLREADING : DT_LEFT);
PaintLine(hdc, RectI(rect.x, rect.y + rect.dy, rect.dx, 0));
// make the click target larger
rect = rect.Union(rectIcon);
rect.Inflate(10, 10);
win.staticLinks.Append(StaticLinkInfo(rect, SLINK_OPEN_FILE));
rect = DrawBottomRightLink(win.hwndCanvas, hdc, _TR("Hide frequently read"));
win.staticLinks.Append(StaticLinkInfo(rect, SLINK_LIST_HIDE));
SelectObject(hdc, origFont);
DeleteObject(penBorder);
DeleteObject(penThumbBorder);
DeleteObject(penLinkLine);
}
static void UpdateAboutLayoutInfo(HWND hwnd, HDC hdc, RectI *rect)
{
ScopedFont fontLeftTxt(GetSimpleFont(hdc, LEFT_TXT_FONT, LEFT_TXT_FONT_SIZE));
ScopedFont fontRightTxt(GetSimpleFont(hdc, RIGHT_TXT_FONT, RIGHT_TXT_FONT_SIZE));
HGDIOBJ origFont = SelectObject(hdc, fontLeftTxt);
/* calculate minimal top box size */
SizeI headerSize = CalcSumatraVersionSize(hdc);
/* calculate left text dimensions */
SelectObject(hdc, fontLeftTxt);
int leftLargestDx = 0;
int leftDy = 0;
for (AboutLayoutInfoEl *el = gAboutLayoutInfo; el->leftTxt; el++) {
SIZE txtSize;
GetTextExtentPoint32(hdc, el->leftTxt, (int)str::Len(el->leftTxt), &txtSize);
el->leftPos.dx = txtSize.cx;
el->leftPos.dy = txtSize.cy;
if (el == &gAboutLayoutInfo[0])
leftDy = el->leftPos.dy;
else
assert(leftDy == el->leftPos.dy);
if (leftLargestDx < el->leftPos.dx)
leftLargestDx = el->leftPos.dx;
}
/* calculate right text dimensions */
SelectObject(hdc, fontRightTxt);
int rightLargestDx = 0;
int rightDy = 0;
for (AboutLayoutInfoEl *el = gAboutLayoutInfo; el->leftTxt; el++) {
SIZE txtSize;
GetTextExtentPoint32(hdc, el->rightTxt, (int)str::Len(el->rightTxt), &txtSize);
el->rightPos.dx = txtSize.cx;
el->rightPos.dy = txtSize.cy;
if (el == &gAboutLayoutInfo[0])
rightDy = el->rightPos.dy;
else
assert(rightDy == el->rightPos.dy);
if (rightLargestDx < el->rightPos.dx)
rightLargestDx = el->rightPos.dx;
}
/* calculate total dimension and position */
RectI minRect;
minRect.dx = ABOUT_LEFT_RIGHT_SPACE_DX + leftLargestDx + ABOUT_LINE_SEP_SIZE + rightLargestDx + ABOUT_LEFT_RIGHT_SPACE_DX;
if (minRect.dx < headerSize.dx)
minRect.dx = headerSize.dx;
minRect.dx += 2 * ABOUT_LINE_OUTER_SIZE + 2 * ABOUT_MARGIN_DX;
minRect.dy = headerSize.dy;
for (AboutLayoutInfoEl *el = gAboutLayoutInfo; el->leftTxt; el++)
minRect.dy += rightDy + ABOUT_TXT_DY;
minRect.dy += 2 * ABOUT_LINE_OUTER_SIZE + 4;
ClientRect rc(hwnd);
minRect.x = (rc.dx - minRect.dx) / 2;
minRect.y = (rc.dy - minRect.dy) / 2;
if (rect)
*rect = minRect;
/* calculate text positions */
int linePosX = ABOUT_LINE_OUTER_SIZE + ABOUT_MARGIN_DX + leftLargestDx + ABOUT_LEFT_RIGHT_SPACE_DX;
int currY = minRect.y + headerSize.dy + 4;
for (AboutLayoutInfoEl *el = gAboutLayoutInfo; el->leftTxt; el++) {
el->leftPos.x = minRect.x + linePosX - ABOUT_LEFT_RIGHT_SPACE_DX - el->leftPos.dx;
el->leftPos.y = currY + (rightDy - leftDy) / 2;
el->rightPos.x = minRect.x + linePosX + ABOUT_LEFT_RIGHT_SPACE_DX;
el->rightPos.y = currY;
currY += rightDy + ABOUT_TXT_DY;
}
SelectObject(hdc, origFont);
}
/* Draws the about screen and remembers some state for hyperlinking.
It transcribes the design I did in graphics software - hopeless
to understand without seeing the design. */
static void DrawAbout(HWND hwnd, HDC hdc, RectI rect, Vec<StaticLinkInfo>& linkInfo)
{
HPEN penBorder = CreatePen(PS_SOLID, ABOUT_LINE_OUTER_SIZE, WIN_COL_BLACK);
HPEN penDivideLine = CreatePen(PS_SOLID, ABOUT_LINE_SEP_SIZE, WIN_COL_BLACK);
HPEN penLinkLine = CreatePen(PS_SOLID, ABOUT_LINE_SEP_SIZE, COL_BLUE_LINK);
ScopedFont fontLeftTxt(GetSimpleFont(hdc, LEFT_TXT_FONT, LEFT_TXT_FONT_SIZE));
ScopedFont fontRightTxt(GetSimpleFont(hdc, RIGHT_TXT_FONT, RIGHT_TXT_FONT_SIZE));
HGDIOBJ origFont = SelectObject(hdc, fontLeftTxt); /* Just to remember the orig font */
ClientRect rc(hwnd);
FillRect(hdc, &rc.ToRECT(), gBrushAboutBg);
/* render title */
RectI titleRect(rect.TL(), CalcSumatraVersionSize(hdc));
SelectObject(hdc, gBrushLogoBg);
SelectObject(hdc, penBorder);
#ifndef ABOUT_USE_LESS_COLORS
Rectangle(hdc, rect.x, rect.y + ABOUT_LINE_OUTER_SIZE, rect.x + rect.dx, rect.y + titleRect.dy + ABOUT_LINE_OUTER_SIZE);
#else
RectI titleBgBand(0, rect.y, rc.dx, titleRect.dy);
FillRect(hdc, &titleBgBand.ToRECT(), gBrushLogoBg);
PaintLine(hdc, RectI(0, rect.y, rc.dx, 0));
PaintLine(hdc, RectI(0, rect.y + titleRect.dy, rc.dx, 0));
#endif
titleRect.Offset((rect.dx - titleRect.dx) / 2, 0);
DrawSumatraVersion(hdc, titleRect);
/* render attribution box */
SetTextColor(hdc, ABOUT_BORDER_COL);
SetBkMode(hdc, TRANSPARENT);
#ifndef ABOUT_USE_LESS_COLORS
Rectangle(hdc, rect.x, rect.y + titleRect.dy, rect.x + rect.dx, rect.y + rect.dy);
#endif
/* render text on the left*/
SelectObject(hdc, fontLeftTxt);
for (AboutLayoutInfoEl *el = gAboutLayoutInfo; el->leftTxt; el++) {
TextOut(hdc, el->leftPos.x, el->leftPos.y, el->leftTxt, (int)str::Len(el->leftTxt));
}
/* render text on the right */
SelectObject(hdc, fontRightTxt);
SelectObject(hdc, penLinkLine);
linkInfo.Reset();
for (AboutLayoutInfoEl *el = gAboutLayoutInfo; el->leftTxt; el++) {
bool hasUrl = HasPermission(Perm_DiskAccess) && el->url;
SetTextColor(hdc, hasUrl ? COL_BLUE_LINK : ABOUT_BORDER_COL);
TextOut(hdc, el->rightPos.x, el->rightPos.y, el->rightTxt, (int)str::Len(el->rightTxt));
if (hasUrl) {
int underlineY = el->rightPos.y + el->rightPos.dy - 3;
PaintLine(hdc, RectI(el->rightPos.x, underlineY, el->rightPos.dx, 0));
linkInfo.Append(StaticLinkInfo(el->rightPos, el->url, el->url));
}
}
SelectObject(hdc, penDivideLine);
RectI divideLine(gAboutLayoutInfo[0].rightPos.x - ABOUT_LEFT_RIGHT_SPACE_DX,
rect.y + titleRect.dy + 4, 0, rect.y + rect.dy - 4 - gAboutLayoutInfo[0].rightPos.y);
PaintLine(hdc, divideLine);
SelectObject(hdc, origFont);
DeleteObject(penBorder);
DeleteObject(penDivideLine);
DeleteObject(penLinkLine);
}
