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nethack/win/win32/mhsplash.c
nhmall 1e0c03b3f6 incremental improvements to cross-compiling support in NetHack 3.7 
Some support of new code #defines to faciliate cross-compiling:

    OPTIONS_AT_RUNTIME    If this is defined, code to support obtaining
                          the compile time options and features is
                          included. If you define this, you'll also have
                          to compile sys/mdlib.c and link the resulting
                          object file into your game binary/executable.

    CROSSCOMPILE          Flags that this is a cross-compiled NetHack build,
                          where there are two stages:
                          1. makedefs and some other utilities are compiled
                          on the host platform and executed there to generate
                          some output files and header files needed by the
                          game.
                          2. the NetHack game files are compiled by a
                          cross-compiler to generate binary/executables for
                          a different platform than the one the build is
                          being run on. The executables produced for the
                          target platform may not be able to execute on the
                          build platform, except perhaps via a software
                          emulator.

                          The 2-stage process (1. host, 2.target) can be done
                          on the same platform to test the cross-compile
                          process. In that case, the host and target platforms
                          would be the same.

    CROSSCOMPILE_HOST     Separates/identifies code paths that should only be
                          be included in the compile on the host side, for
                          utilities that will be run on the host as part of
                          stage 1 to produce output files needed to build the
                          game. Examples are the code for makedefs, tile
                          conversion utilities, uudecode, dlb, etc.

    CROSSCOMPILE_TARGET   Separates/identifies code paths that should be
                          included on the build for the target platform
                          during stage 2, the cross-compiler stage. That
                          includes most of the pieces of the game itself
                          but the code is only flagged as such if it must
                          not execute on the host.

If you don't define any of those, things should build as before.
One follow-on change that is likely required is setting the new dependency
makedefs has on src/mdlib.c in Makefiles etc.

More information about the changes:

    makedefs

    - splinter off some of makedefs functionality into a separate file
      called src/mdlib.c.
        - src/mdlib.c, while included during the compile of makedefs.c
          for producing the makedefs utility, can also be compiled
          as a stand-alone object file for inclusion in the link step
          of your NetHack game build. The src/mdlib.c code can then
          deliver the same functionality that it provided to makedefs
          right to your NetHack game code at run-time.
          For example, do_runtime_info() will provide the caller with
          the features and options that were built into the game.
          Previously, that information was produced at build time on the
          host and stored in a dat file. Under a cross-compile situation,
          those values are highly suspect and might not even reflect the
          correct options and setting for the cross-compiled target
          platform's binary/executable. The compile of those values and
          the functionality to obtain them needs to move to the target
          cross-compiler stage of the build (stage 2).
        - date information on the target-side binary is produced from
          the cross-compiler preprocessor pre-defined macros __DATE__
          and __TIME__, as they reflect the actual compile time of the
          cross-compiled target and not host-side execution of a utility
          to produce them. The cross-compiler itself, through those
          pre-defined preprocessor macros, provides them to the target
          platform binary/executable. They reflect the actual build
          time of the target binary/executable (not values produced
          at the time the makefiles utility was built and the
          appropriate option selected to store them in a text file.)
        - most Makefiles should not require adding the new file
          src/mdlib.c because util/makedefs.c has a preprocessor
          include "../src/mdlib.c" to draw in its contents. As previously
          stated though, the Makefile dependency may be required:
		makedefs.o: ../util/makedefs.c ../src/mdlib.c
                                               ^^^^^^^^^^^^^^^
2019-11-22 22:35:48 -05:00

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/* NetHack 3.6 mhsplash.c $NHDT-Date: 1449751714 2015/12/10 12:48:34 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.27 $ */
/* Copyright (C) 2001 by Alex Kompel */
/* NetHack may be freely redistributed. See license for details. */
#include "win10.h"
#include "winMS.h"
#include "resource.h"
#include "mhsplash.h"
#include "mhmsg.h"
#include "mhfont.h"
#if !defined(CROSSCOMPILE)
#include "date.h"
#else
#include "config.h"
#endif
#include "patchlevel.h"
#include "dlb.h"
#define LLEN 128
PNHWinApp GetNHApp(void);
INT_PTR CALLBACK NHSplashWndProc(HWND, UINT, WPARAM, LPARAM);
#define SPLASH_WIDTH_96DPI 440
#define SPLASH_HEIGHT_96DPI 322
#define SPLASH_OFFSET_X_96DPI 10
#define SPLASH_OFFSET_Y_96DPI 10
#define SPLASH_VERSION_X_96DPI 280
#define SPLASH_VERSION_Y_96DPI 0
typedef struct {
int boarder_width;
int boarder_height;
int client_width;
int client_height;
int ok_control_width;
int ok_control_height;
int ok_control_offset_x;
int ok_control_offset_y;
int text_control_width;
int text_control_height;
int text_control_offset_x;
int text_control_offset_y;
int window_width;
int window_height;
int width;
int height;
int offset_x;
int offset_y;
int version_x;
int version_y;
HFONT hFont;
} SplashData;
static void
mswin_set_splash_data(HWND hWnd, SplashData * sd, double scale)
{
RECT client_rect;
RECT window_rect;
RECT ok_control_rect;
RECT text_control_rect;
GetClientRect(hWnd, &client_rect);
GetWindowRect(hWnd, &window_rect);
GetWindowRect(GetDlgItem(hWnd, IDOK), &ok_control_rect);
GetWindowRect(GetDlgItem(hWnd, IDC_EXTRAINFO), &text_control_rect);
sd->boarder_width = (window_rect.right - window_rect.left) -
(client_rect.right - client_rect.left);
sd->boarder_height = (window_rect.bottom - window_rect.top) -
(client_rect.bottom - client_rect.top);
sd->ok_control_width = ok_control_rect.right - ok_control_rect.left;
sd->ok_control_height = ok_control_rect.bottom - ok_control_rect.top;
sd->width = (int)(scale * SPLASH_WIDTH_96DPI);
sd->height = (int)(scale * SPLASH_HEIGHT_96DPI);
sd->offset_x = (int)(scale * SPLASH_OFFSET_X_96DPI);
sd->offset_y = (int)(scale * SPLASH_OFFSET_Y_96DPI);
sd->version_x = (int)(scale * SPLASH_VERSION_X_96DPI);
sd->version_y = (int)(scale * SPLASH_VERSION_Y_96DPI);
sd->client_width = sd->width + sd->offset_x * 2;
sd->client_height = sd->height + sd->ok_control_height +
sd->offset_y * 3;
sd->window_width = sd->client_width + sd->boarder_width;
sd->window_height = sd->client_height + sd->boarder_height;
sd->ok_control_offset_x = (sd->client_width - sd->ok_control_width) / 2;
sd->ok_control_offset_y = sd->client_height - sd->ok_control_height - sd->offset_y;
sd->text_control_width = sd->client_width - sd->offset_x * 2;
sd->text_control_height = text_control_rect.bottom - text_control_rect.top;
sd->text_control_offset_x = sd->offset_x;
sd->text_control_offset_y = sd->ok_control_offset_y - sd->offset_y -
sd->text_control_height;
if (sd->hFont != NULL)
DeleteObject(sd->hFont);
sd->hFont = mswin_create_splashfont(hWnd);
MoveWindow(hWnd, window_rect.left, window_rect.top,
sd->window_width, sd->window_height, TRUE);
MoveWindow(GetDlgItem(hWnd, IDOK),
sd->ok_control_offset_x, sd->ok_control_offset_y,
sd->ok_control_width, sd->ok_control_height, TRUE);
MoveWindow(GetDlgItem(hWnd, IDC_EXTRAINFO),
sd->text_control_offset_x, sd->text_control_offset_y,
sd->text_control_width, sd->text_control_height, TRUE);
}
void
mswin_display_splash_window(BOOL show_ver)
{
MSG msg;
strbuf_t strbuf;
strbuf_init(&strbuf);
HWND hWnd = CreateDialog(GetNHApp()->hApp, MAKEINTRESOURCE(IDD_SPLASH),
GetNHApp()->hMainWnd, NHSplashWndProc);
if (!hWnd)
panic("Cannot create Splash window");
MonitorInfo monitorInfo;
win10_monitor_info(hWnd, &monitorInfo);
SplashData splashData;
memset(&splashData, 0, sizeof(splashData));
mswin_set_splash_data(hWnd, &splashData, monitorInfo.scale);
SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR) &splashData);
GetNHApp()->hPopupWnd = hWnd;
int left = monitorInfo.left + (monitorInfo.width - splashData.window_width) / 2;
int top = monitorInfo.top + (monitorInfo.height - splashData.window_height) / 2;
MoveWindow(hWnd, left, top, splashData.window_width, splashData.window_height, TRUE);
/* Fill the text control */
strbuf_reserve(&strbuf, BUFSIZ);
Sprintf(strbuf.str, "%s\n%s\n%s\n%s\n\n", COPYRIGHT_BANNER_A,
COPYRIGHT_BANNER_B, COPYRIGHT_BANNER_C, COPYRIGHT_BANNER_D);
if (show_ver) {
/* Show complete version information */
dlb *f;
char verbuf[BUFSZ];
int verstrsize = 0;
getversionstring(verbuf);
strbuf_append(&strbuf, verbuf);
strbuf_append(&strbuf, "\n\n");
/* Add compile options */
f = dlb_fopen(OPTIONS_USED, RDTMODE);
if (f) {
char line[LLEN + 1];
while (dlb_fgets(line, LLEN, f))
strbuf_append(&strbuf, line);
(void) dlb_fclose(f);
}
} else {
/* Show news, if any */
if (iflags.news) {
FILE *nf;
iflags.news = 0; /* prevent newgame() from re-displaying news */
/* BUG: this relies on current working directory */
nf = fopen(NEWS, "r");
if (nf != NULL) {
char line[LLEN + 1];
while (fgets(line, LLEN, nf))
strbuf_append(&strbuf, line);
(void) fclose(nf);
} else {
strbuf_append(&strbuf, "No news.");
}
}
}
strbuf_nl_to_crlf(&strbuf);
SetWindowText(GetDlgItem(hWnd, IDC_EXTRAINFO), strbuf.str);
strbuf_empty(&strbuf);
ShowWindow(hWnd, SW_SHOW);
while (IsWindow(hWnd) && GetMessage(&msg, NULL, 0, 0) != 0) {
if (!IsDialogMessage(hWnd, &msg)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
GetNHApp()->hPopupWnd = NULL;
DeleteObject(splashData.hFont);
}
INT_PTR CALLBACK
NHSplashWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message) {
case WM_INITDIALOG: {
HDC hdc = GetDC(hWnd);
cached_font * font = mswin_get_font(NHW_TEXT, ATR_NONE, hdc, FALSE);
/* set text control font */
SendMessage(hWnd, WM_SETFONT, (WPARAM)font->hFont, 0);
ReleaseDC(hWnd, hdc);
SetFocus(GetDlgItem(hWnd, IDOK));
} break;
case WM_PAINT: {
char VersionString[BUFSZ];
RECT rt;
HDC hdcBitmap;
HANDLE OldBitmap;
HANDLE OldFont;
PAINTSTRUCT ps;
SplashData *splashData = (SplashData *) GetWindowLongPtr(hWnd, GWLP_USERDATA);
HDC hdc = BeginPaint(hWnd, &ps);
/* Show splash graphic */
hdcBitmap = CreateCompatibleDC(hdc);
SetBkMode(hdc, OPAQUE);
OldBitmap = SelectObject(hdcBitmap, GetNHApp()->bmpSplash);
(*GetNHApp()->lpfnTransparentBlt)(hdc,
splashData->offset_x, splashData->offset_y,
splashData->width, splashData->height, hdcBitmap,
0, 0, SPLASH_WIDTH_96DPI, SPLASH_HEIGHT_96DPI,
TILE_BK_COLOR);
SelectObject(hdcBitmap, OldBitmap);
DeleteDC(hdcBitmap);
SetBkMode(hdc, TRANSPARENT);
/* Print version number */
SetTextColor(hdc, RGB(0, 0, 0));
rt.right = rt.left = splashData->offset_x + splashData->version_x;
rt.bottom = rt.top = splashData->offset_y + splashData->version_y;
Sprintf(VersionString, "%d.%d.%d", VERSION_MAJOR, VERSION_MINOR,
PATCHLEVEL);
OldFont = SelectObject(hdc, splashData->hFont);
DrawText(hdc, VersionString, strlen(VersionString), &rt,
DT_LEFT | DT_NOPREFIX | DT_CALCRECT);
DrawText(hdc, VersionString, strlen(VersionString), &rt,
DT_LEFT | DT_NOPREFIX);
EndPaint(hWnd, &ps);
} break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDCANCEL:
case IDOK:
mswin_window_mark_dead(mswin_winid_from_handle(hWnd));
if (GetNHApp()->hMainWnd == hWnd)
GetNHApp()->hMainWnd = NULL;
DestroyWindow(hWnd);
SetFocus(GetNHApp()->hMainWnd);
return TRUE;
}
break;
case WM_DPICHANGED: {
SplashData *splashData = (SplashData *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
MonitorInfo monitorInfo;
win10_monitor_info(hWnd, &monitorInfo);
mswin_set_splash_data(hWnd, splashData, monitorInfo.scale);
InvalidateRect(hWnd, NULL, TRUE);
} break;
}
return FALSE;
}
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