void OnMenuAbout() {
if (gHwndAbout) {
SetActiveWindow(gHwndAbout);
return;
}
gHwndAbout = CreateWindow(
ABOUT_CLASS_NAME, ABOUT_WIN_TITLE,
WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL,
ghinst, NULL);
if (!gHwndAbout)
return;
// get the dimensions required for the about box's content
RECT rc;
PAINTSTRUCT ps;
HDC hdc = BeginPaint(gHwndAbout, &ps);
UpdateAboutLayoutInfo(gHwndAbout, hdc, &rc);
EndPaint(gHwndAbout, &ps);
InflateRect(&rc, ABOUT_RECT_PADDING, ABOUT_RECT_PADDING);
// resize the new window to just match these dimensions
RECT wRc, cRc;
GetWindowRect(gHwndAbout, &wRc);
GetClientRect(gHwndAbout, &cRc);
wRc.right += rect_dx(&rc) - rect_dx(&cRc);
wRc.bottom += rect_dy(&rc) - rect_dy(&cRc);
MoveWindow(gHwndAbout, wRc.left, wRc.top, rect_dx(&wRc), rect_dy(&wRc), FALSE);
ShowWindow(gHwndAbout, SW_SHOW);
}
void OnPaintAbout(HWND hwnd)
{
PAINTSTRUCT ps;
RECT rc;
HDC hdc = BeginPaint(hwnd, &ps);
UpdateAboutLayoutInfo(hwnd, hdc, &rc);
DrawAbout(hwnd, hdc, &rc);
EndPaint(hwnd, &ps);
}
static void OnPaintAbout(HWND hwnd)
{
PAINTSTRUCT ps;
RectI rc;
HDC hdc = BeginPaint(hwnd, &ps);
UpdateAboutLayoutInfo(hwnd, hdc, &rc);
DrawAbout(hwnd, hdc, rc, gLinkInfo);
EndPaint(hwnd, &ps);
}
void DrawAboutPage(WindowInfo& win, HDC hdc)
{
ClientRect rc(win.hwndCanvas);
UpdateAboutLayoutInfo(win.hwndCanvas, hdc, &rc);
DrawAbout(win.hwndCanvas, hdc, rc, win.staticLinks);
if (HasPermission(Perm_SavePreferences | Perm_DiskAccess) && gGlobalPrefs.rememberOpenedFiles) {
RectI rect = DrawBottomRightLink(win.hwndCanvas, hdc, _TR("Show frequently read"));
win.staticLinks.Append(StaticLinkInfo(rect, SLINK_LIST_SHOW));
}
}
void OnMenuAbout()
{
if (gHwndAbout) {
SetActiveWindow(gHwndAbout);
return;
}
if (!gAtomAbout) {
WNDCLASSEX wcex;
FillWndClassEx(wcex, ghinst, ABOUT_CLASS_NAME, WndProcAbout);
wcex.hIcon = LoadIcon(ghinst, MAKEINTRESOURCE(IDI_SUMATRAPDF));
gAtomAbout = RegisterClassEx(&wcex);
CrashIf(!gAtomAbout);
}
gHwndAbout = CreateWindow(
ABOUT_CLASS_NAME, ABOUT_WIN_TITLE,
WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL,
ghinst, NULL);
if (!gHwndAbout)
return;
// get the dimensions required for the about box's content
RectI rc;
PAINTSTRUCT ps;
HDC hdc = BeginPaint(gHwndAbout, &ps);
UpdateAboutLayoutInfo(gHwndAbout, hdc, &rc);
EndPaint(gHwndAbout, &ps);
rc.Inflate(ABOUT_RECT_PADDING, ABOUT_RECT_PADDING);
// resize the new window to just match these dimensions
WindowRect wRc(gHwndAbout);
ClientRect cRc(gHwndAbout);
wRc.dx += rc.dx - cRc.dx;
wRc.dy += rc.dy - cRc.dy;
MoveWindow(gHwndAbout, wRc.x, wRc.y, wRc.dx, wRc.dy, FALSE);
ShowWindow(gHwndAbout, SW_SHOW);
}
const TCHAR *AboutGetLink(WindowInfo *win, int x, int y, AboutLayoutInfoEl **el)
{
if (gRestrictedUse) return NULL;
// Update the link location information
if (win)
UpdateAboutLayoutInfo(win->hwndCanvas, win->hdcToDraw, NULL);
else
OnPaintAbout(gHwndAbout);
for (int i = 0; gAboutLayoutInfo[i].leftTxt; i++) {
if ((x < gAboutLayoutInfo[i].rightTxtPosX) ||
(x > gAboutLayoutInfo[i].rightTxtPosX + gAboutLayoutInfo[i].rightTxtDx))
continue;
if ((y < gAboutLayoutInfo[i].rightTxtPosY) ||
(y > gAboutLayoutInfo[i].rightTxtPosY + gAboutLayoutInfo[i].rightTxtDy))
continue;
if (el)
*el = &gAboutLayoutInfo[i];
return gAboutLayoutInfo[i].url;
}
return NULL;
}
