/*

SDL - Simple DirectMedia Layer

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Sam Lantinga

slouken@libsdl.org

*/

#include "SDL_config.h"

#include "../SDL_sysvideo.h"

#include "../../events/SDL_keyboard_c.h"

#include "SDL_windowsvideo.h"

#include "SDL_windowswindow.h"

#include "SDL_syswm.h"

/* Windows CE compatibility */

#ifndef SWP_NOCOPYBITS

#define SWP_NOCOPYBITS 0

#endif

/* Fake window to help with DirectInput events. */

HWND SDL_HelperWindow = NULL;

static WCHAR *SDL_HelperWindowClassName = TEXT("SDLHelperWindowInputCatcher");

static WCHAR *SDL_HelperWindowName = TEXT("SDLHelperWindowInputMsgWindow");

static ATOM SDL_HelperWindowClass = 0;

#define STYLE_BASIC (WS_CLIPSIBLINGS | WS_CLIPCHILDREN)

#define STYLE_FULLSCREEN (WS_POPUP)

#define STYLE_BORDERLESS (WS_POPUP)

#define STYLE_NORMAL (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX)

#define STYLE_RESIZABLE (WS_THICKFRAME | WS_MAXIMIZEBOX)

#define STYLE_MASK (STYLE_FULLSCREEN | STYLE_BORDERLESS | STYLE_NORMAL | STYLE_RESIZABLE)

static DWORD

GetWindowStyle(SDL_Window * window)

{

DWORD style = 0;

if (window->flags & SDL_WINDOW_FULLSCREEN) {

style |= STYLE_FULLSCREEN;

} else {

if (window->flags & SDL_WINDOW_BORDERLESS) {

style |= STYLE_BORDERLESS;

} else {

style |= STYLE_NORMAL;

}

if (window->flags & SDL_WINDOW_RESIZABLE) {

style |= STYLE_RESIZABLE;

}

}

return style;

}

SDL_WindowData *data;

/* Allocate the window data */

data = (SDL_WindowData *) SDL_malloc(sizeof(*data));

if (!data) {

SDL_OutOfMemory();

return -1;

}

data->created = created;

data->mouse_pressed = SDL_FALSE;

/* Associate the data with the window */

if (!SetProp(hwnd, TEXT("SDL_WindowData"), data)) {

SDL_free(data);

WIN_SetError("SetProp() failed");

return -1;

}

/* Set up the window proc function */

SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR) WIN_WindowProc);

}

#else

data->wndproc = (WNDPROC) GetWindowLong(hwnd, GWL_WNDPROC);

if (data->wndproc == WIN_WindowProc) {

data->wndproc = NULL;

} else {

SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR) WIN_WindowProc);

}

#endif

/* Fill in the SDL window with the window data */

{

POINT point;

point.x = 0;

point.y = 0;

if (ClientToScreen(hwnd, &point)) {

window->x = point.x;

window->y = point.y;

}

}

{

RECT rect;

if (GetClientRect(hwnd, &rect)) {

window->w = rect.right;

window->h = rect.bottom;

}

}

{

DWORD style = GetWindowLong(hwnd, GWL_STYLE);

if (style & WS_VISIBLE) {

window->flags |= SDL_WINDOW_SHOWN;

} else {

window->flags &= ~SDL_WINDOW_SHOWN;

}

if (style & (WS_BORDER | WS_THICKFRAME)) {

window->flags &= ~SDL_WINDOW_BORDERLESS;

} else {

window->flags |= SDL_WINDOW_BORDERLESS;

}

if (style & WS_THICKFRAME) {

window->flags |= SDL_WINDOW_RESIZABLE;

} else {

window->flags &= ~SDL_WINDOW_RESIZABLE;

}

if (style & WS_MAXIMIZE) {

window->flags |= SDL_WINDOW_MAXIMIZED;

} else

#endif

{

window->flags &= ~SDL_WINDOW_MAXIMIZED;

}

if (style & WS_MINIMIZE) {

window->flags |= SDL_WINDOW_MINIMIZED;

} else

#endif

{

window->flags &= ~SDL_WINDOW_MINIMIZED;

}

}

if (GetFocus() == hwnd) {

window->flags |= SDL_WINDOW_INPUT_FOCUS;

if (window->flags & SDL_WINDOW_INPUT_GRABBED) {

RECT rect;

GetClientRect(hwnd, &rect);

ClientToScreen(hwnd, (LPPOINT) & rect);

ClientToScreen(hwnd, (LPPOINT) & rect + 1);

ClipCursor(&rect);

}

}

if (videodata->RegisterTouchWindow) {

videodata->RegisterTouchWindow(hwnd, (TWF_FINETOUCH|TWF_WANTPALM));

}

/* All done! */

window->driverdata = data;

return 0;

}

int

WIN_CreateWindow(_THIS, SDL_Window * window)

{

HWND hwnd;

RECT rect;

int x, y;

int w, h;

style |= GetWindowStyle(window);

/* Figure out what the window area will be */

rect.left = window->x;

rect.top = window->y;

rect.right = window->x + window->w;

rect.bottom = window->y + window->h;

x = rect.left;

y = rect.top;

w = (rect.right - rect.left);

h = (rect.bottom - rect.top);

hwnd =

CreateWindow(SDL_Appname, TEXT(""), style, x, y, w, h, NULL, NULL,

SDL_Instance, NULL);

if (!hwnd) {

WIN_SetError("Couldn't create window");

return -1;

}

WIN_PumpEvents(_this);

DestroyWindow(hwnd);

return -1;

}

if (window->flags & SDL_WINDOW_OPENGL) {

if (WIN_GL_SetupWindow(_this, window) < 0) {

WIN_DestroyWindow(_this, window);

return -1;

}

}

#endif

return 0;

}

int

WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)

{

HWND hwnd = (HWND) data;

LPTSTR title;

int titleLen;

/* Query the title from the existing window */

titleLen = GetWindowTextLength(hwnd);

title = SDL_stack_alloc(TCHAR, titleLen + 1);

if (title) {

titleLen = GetWindowText(hwnd, title, titleLen);

} else {

titleLen = 0;

}

if (titleLen > 0) {

window->title = WIN_StringToUTF8(title);

}

if (title) {

SDL_stack_free(title);

}

return -1;

}

return 0;

}

void

WIN_SetWindowTitle(_THIS, SDL_Window * window)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

LPTSTR title;

if (window->title) {

title = WIN_UTF8ToString(window->title);

} else {

title = NULL;

}

SetWindowText(hwnd, title ? title : TEXT(""));

if (title) {

SDL_free(title);

}

}

void

WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

HICON hicon = NULL;

BYTE *icon_bmp;

int icon_len;

SDL_RWops *dst;

SDL_Surface *surface;

/* Create temporary bitmap buffer */

icon_len = 40 + icon->h * icon->w * 4;

icon_bmp = SDL_stack_alloc(BYTE, icon_len);

dst = SDL_RWFromMem(icon_bmp, icon_len);

if (!dst) {

SDL_stack_free(icon_bmp);

return;

}

/* Write the BITMAPINFO header */

SDL_WriteLE32(dst, 40);

SDL_WriteLE32(dst, icon->w);

SDL_WriteLE32(dst, icon->h * 2);

SDL_WriteLE16(dst, 1);

SDL_WriteLE16(dst, 32);

SDL_WriteLE32(dst, BI_RGB);

SDL_WriteLE32(dst, icon->h * icon->w * 4);

SDL_WriteLE32(dst, 0);

SDL_WriteLE32(dst, 0);

SDL_WriteLE32(dst, 0);

SDL_WriteLE32(dst, 0);

/* Convert the icon to a 32-bit surface with alpha channel */

surface = SDL_ConvertSurfaceFormat(icon, SDL_PIXELFORMAT_ARGB8888, 0);

if (surface) {

/* Write the pixels upside down into the bitmap buffer */

int y = surface->h;

while (y--) {

Uint8 *src = (Uint8 *) surface->pixels + y * surface->pitch;

SDL_RWwrite(dst, src, surface->pitch, 1);

/* TODO: create the icon in WinCE (CreateIconFromResource isn't available) */

#ifndef _WIN32_WCE

SDL_RWclose(dst);

SDL_stack_free(icon_bmp);

/* Set the icon in the task manager (should we do this?) */

}

void

WIN_SetWindowPosition(_THIS, SDL_Window * window)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

RECT rect;

DWORD style;

HWND top;

/* Figure out what the window area will be */

if (window->flags & SDL_WINDOW_FULLSCREEN) {

top = HWND_TOPMOST;

} else {

top = HWND_NOTOPMOST;

}

style = GetWindowLong(hwnd, GWL_STYLE);

rect.left = 0;

rect.top = 0;

rect.right = window->w;

rect.bottom = window->h;

#ifdef _WIN32_WCE

menu = FALSE;

#else

menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);

#endif

AdjustWindowRectEx(&rect, style, menu, 0);

w = (rect.right - rect.left);

h = (rect.bottom - rect.top);

x = window->x + rect.left;

y = window->y + rect.top;

}

void

WIN_SetWindowSize(_THIS, SDL_Window * window)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

RECT rect;

DWORD style;

HWND top;

int w, h;

/* Figure out what the window area will be */

if (window->flags & SDL_WINDOW_FULLSCREEN) {

top = HWND_TOPMOST;

} else {

top = HWND_NOTOPMOST;

}

style = GetWindowLong(hwnd, GWL_STYLE);

rect.left = 0;

rect.top = 0;

rect.right = window->w;

rect.bottom = window->h;

#ifdef _WIN32_WCE

menu = FALSE;

#else

menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);

#endif

AdjustWindowRectEx(&rect, style, menu, 0);

w = (rect.right - rect.left);

h = (rect.bottom - rect.top);

}

#ifdef _WIN32_WCE

void WINCE_ShowWindow(_THIS, SDL_Window* window, int visible)

{

SDL_WindowData* windowdata = (SDL_WindowData*) window->driverdata;

SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;

if(visible) {

if(window->flags & SDL_WINDOW_FULLSCREEN) {

if(videodata->SHFullScreen)

videodata->SHFullScreen(windowdata->hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);

ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_HIDE);

}

ShowWindow(windowdata->hwnd, SW_SHOW);

SetForegroundWindow(windowdata->hwnd);

} else {

ShowWindow(windowdata->hwnd, SW_HIDE);

if(window->flags & SDL_WINDOW_FULLSCREEN) {

if(videodata->SHFullScreen)

videodata->SHFullScreen(windowdata->hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);

ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_SHOW);

}

}

void

WIN_ShowWindow(_THIS, SDL_Window * window)

{

#ifdef _WIN32_WCE

WINCE_ShowWindow(_this, window, 1);

#else

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

ShowWindow(hwnd, SW_SHOW);

}

void

WIN_HideWindow(_THIS, SDL_Window * window)

{

#ifdef _WIN32_WCE

WINCE_ShowWindow(_this, window, 0);

#else

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

ShowWindow(hwnd, SW_HIDE);

}

void

WIN_RaiseWindow(_THIS, SDL_Window * window)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

HWND top;

if (window->flags & SDL_WINDOW_FULLSCREEN) {

top = HWND_TOPMOST;

} else {

top = HWND_NOTOPMOST;

}

SetWindowPos(hwnd, top, 0, 0, 0, 0, (SWP_NOMOVE | SWP_NOSIZE));

}

void

WIN_MaximizeWindow(_THIS, SDL_Window * window)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

#ifdef _WIN32_WCE

if((window->flags & SDL_WINDOW_FULLSCREEN) && videodata->SHFullScreen)

videodata->SHFullScreen(hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);

ShowWindow(hwnd, SW_MAXIMIZE);

}

void

WIN_MinimizeWindow(_THIS, SDL_Window * window)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

ShowWindow(hwnd, SW_MINIMIZE);

#ifdef _WIN32_WCE

}

void

WIN_RestoreWindow(_THIS, SDL_Window * window)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

ShowWindow(hwnd, SW_RESTORE);

}

void

WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)

{

SDL_WindowData *data = (SDL_WindowData *) window->driverdata;

HWND hwnd = data->hwnd;

RECT rect;

SDL_Rect bounds;

DWORD style;

HWND top;

BOOL menu;

int x, y;

int w, h;

if (fullscreen) {

top = HWND_TOPMOST;

} else {

top = HWND_NOTOPMOST;

}

style = GetWindowLong(hwnd, GWL_STYLE);

style &= ~STYLE_MASK;

style |= GetWindowStyle(window);

WIN_GetDisplayBounds(_this, display, &bounds);

if (fullscreen) {

x = bounds.x;

y = bounds.y;

w = bounds.w;

h = bounds.h;

} else {

rect.left = 0;

rect.top = 0;

rect.right = window->windowed.w;

rect.bottom = window->windowed.h;

#ifdef _WIN32_WCE

menu = FALSE;

#else

menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);

#endif

AdjustWindowRectEx(&rect, style, menu, 0);

w = (rect.right - rect.left);

h = (rect.bottom - rect.top);

x = window->windowed.x + rect.left;

y = window->windowed.y + rect.top;

}

SetWindowLong(hwnd, GWL_STYLE, style);

SetWindowPos(hwnd, top, x, y, w, h, SWP_NOCOPYBITS);

}

int

WIN_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp)

{

#ifdef _WIN32_WCE

SDL_Unsupported();

return -1;

#else

SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);

SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;

HDC hdc;

BOOL succeeded = FALSE;

hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);

if (hdc) {

succeeded = SetDeviceGammaRamp(hdc, (LPVOID)ramp);

if (!succeeded) {

WIN_SetError("SetDeviceGammaRamp()");

}

DeleteDC(hdc);

}

return succeeded ? 0 : -1;

#endif

}

int

WIN_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp)

{

#ifdef _WIN32_WCE

SDL_Unsupported();

return -1;

#else

SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);

SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;

HDC hdc;

BOOL succeeded = FALSE;

hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);

if (hdc) {

succeeded = GetDeviceGammaRamp(hdc, (LPVOID)ramp);

if (!succeeded) {

WIN_SetError("GetDeviceGammaRamp()");

}

DeleteDC(hdc);

}

return succeeded ? 0 : -1;

#endif

}

void

WIN_SetWindowGrab(_THIS, SDL_Window * window)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&

(window->flags & SDL_WINDOW_INPUT_FOCUS)) {

RECT rect;

GetClientRect(hwnd, &rect);

ClientToScreen(hwnd, (LPPOINT) & rect);

ClientToScreen(hwnd, (LPPOINT) & rect + 1);

ClipCursor(&rect);

} else {

ClipCursor(NULL);

}

}

void

WIN_DestroyWindow(_THIS, SDL_Window * window)

{

SDL_WindowData *data = (SDL_WindowData *) window->driverdata;

if (data) {

#ifdef _WIN32_WCE

WINCE_ShowWindow(_this, window, 0);

#endif

if (data->created) {

DestroyWindow(data->hwnd);

}

SDL_free(data);

}

}

SDL_bool

WIN_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)

{

HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;

if (info->version.major <= SDL_MAJOR_VERSION) {

return SDL_TRUE;

} else {

SDL_SetError("Application not compiled with SDL %d.%d\n",

SDL_MAJOR_VERSION, SDL_MINOR_VERSION);

return SDL_FALSE;

}

}

/*

* Creates a HelperWindow used for DirectInput events.

*/

int

SDL_HelperWindowCreate(void)

{

HINSTANCE hInstance = GetModuleHandle(NULL);

WNDCLASS wce;

/* Make sure window isn't created twice. */

if (SDL_HelperWindow != NULL) {

return 0;

}

wce.lpszClassName = (LPCWSTR) SDL_HelperWindowClassName;

wce.hInstance = hInstance;

/* Register the class. */

return -1;

}

#ifndef _WIN32_WCE

/* WinCE doesn't have HWND_MESSAGE */

hWndParent = HWND_MESSAGE;

#endif

SDL_HelperWindow = CreateWindowEx(0, SDL_HelperWindowClassName,

SDL_HelperWindowName,

return -1;

}

return 0;

}

/*

* Destroys the HelperWindow previously created with SDL_HelperWindowCreate.

*/

void

SDL_HelperWindowDestroy(void)

{

if (SDL_HelperWindow != NULL) {

if (DestroyWindow(SDL_HelperWindow) == 0) {

SDL_HelperWindow = NULL;

}

/* Unregister the class. */

if (SDL_HelperWindowClass != 0) {

if ((UnregisterClass(SDL_HelperWindowClassName, hInstance)) == 0) {

SDL_HelperWindowClass = 0;

}

}