/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997-2011 Sam Lantinga

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

SDL1.3 DirectFB driver by couriersud@arcor.de

*/

#include "SDL_DirectFB_video.h"

#include "SDL_DirectFB_modes.h"

#include "SDL_DirectFB_window.h"

#include "SDL_DirectFB_shape.h"

#if SDL_DIRECTFB_OPENGL

#include "SDL_DirectFB_opengl.h"

#endif

#include "SDL_syswm.h"

#include "../SDL_pixels_c.h"

int

DirectFB_CreateWindow(_THIS, SDL_Window * window)

{

SDL_DFB_DEVICEDATA(_this);

SDL_DFB_DISPLAYDATA(window);

DFB_WindowData *windata = NULL;

DFBWindowOptions wopts;

DFBWindowDescription desc;

int x, y;

int bshaped = 0;

SDL_DFB_ALLOC_CLEAR(window->driverdata, sizeof(DFB_WindowData));

windata = (DFB_WindowData *) window->driverdata;

windata->is_managed = devdata->has_own_wm;

#if 1

SDL_DFB_CHECKERR(devdata->dfb->SetCooperativeLevel(devdata->dfb,

DFSCL_NORMAL));

SDL_DFB_CHECKERR(dispdata->layer->SetCooperativeLevel(dispdata->layer,

DLSCL_ADMINISTRATIVE));

#endif

/* FIXME ... ughh, ugly */

if (window->x == -1000 && window->y == -1000)

bshaped = 1;

/* Fill the window description. */

if (SDL_WINDOWPOS_ISCENTERED(window->x)) {

x = (dispdata->cw - window->w) / 2;

} else if (SDL_WINDOWPOS_ISUNDEFINED(window->x)) {

x = 0;

} else {

x = window->x;

}

if (SDL_WINDOWPOS_ISCENTERED(window->y)) {

y = (dispdata->ch - window->h) / 2;

} else if (SDL_WINDOWPOS_ISUNDEFINED(window->y)) {

y = 0;

} else {

y = window->y;

}

if (window->flags & SDL_WINDOW_FULLSCREEN) {

x = 0;

y = 0;

}

DirectFB_WM_AdjustWindowLayout(window, window->flags, window->w, window->h);

/* Create Window */

desc.caps = 0;

desc.flags =

DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_POSX | DWDESC_POSY | DWDESC_SURFACE_CAPS;

if (bshaped) {

desc.flags |= DWDESC_CAPS;

desc.caps |= DWCAPS_ALPHACHANNEL;

}

else

{

desc.flags |= DWDESC_PIXELFORMAT;

}

if (!(window->flags & SDL_WINDOW_BORDERLESS))

desc.caps |= DWCAPS_NODECORATION;

desc.posx = x;

desc.posy = y;

desc.width = windata->size.w;

desc.height = windata->size.h;

desc.pixelformat = dispdata->pixelformat;

desc.surface_caps = DSCAPS_PREMULTIPLIED;

/* Create the window. */

SDL_DFB_CHECKERR(dispdata->layer->CreateWindow(dispdata->layer, &desc,

&windata->dfbwin));

/* Set Options */

SDL_DFB_CHECK(windata->dfbwin->GetOptions(windata->dfbwin, &wopts));

/* explicit rescaling of surface */

wopts |= DWOP_SCALE;

if (window->flags & SDL_WINDOW_RESIZABLE) {

wopts &= ~DWOP_KEEP_SIZE;

}

else {

wopts |= DWOP_KEEP_SIZE;

}

if (window->flags & SDL_WINDOW_FULLSCREEN) {

wopts |= DWOP_KEEP_POSITION | DWOP_KEEP_STACKING | DWOP_KEEP_SIZE;

SDL_DFB_CHECK(windata->dfbwin->SetStackingClass(windata->dfbwin, DWSC_UPPER));

}

if (bshaped) {

wopts |= DWOP_SHAPED | DWOP_ALPHACHANNEL;

wopts &= ~DWOP_OPAQUE_REGION;

}

SDL_DFB_CHECK(windata->dfbwin->SetOptions(windata->dfbwin, wopts));

/* See what we got */

SDL_DFB_CHECK(DirectFB_WM_GetClientSize

(_this, window, &window->w, &window->h));

/* Get the window's surface. */

SDL_DFB_CHECKERR(windata->dfbwin->GetSurface(windata->dfbwin,

&windata->window_surface));

/* And get a subsurface for rendering */

SDL_DFB_CHECKERR(windata->window_surface->

GetSubSurface(windata->window_surface, &windata->client,

&windata->surface));

SDL_DFB_CHECK(windata->dfbwin->SetOpacity(windata->dfbwin, 0xFF));

/* Create Eventbuffer */

SDL_DFB_CHECKERR(windata->dfbwin->CreateEventBuffer(windata->dfbwin,

&windata->

eventbuffer));

SDL_DFB_CHECKERR(windata->dfbwin->

EnableEvents(windata->dfbwin, DWET_ALL));

/* Create a font */

/* FIXME: once during Video_Init */

windata->font = NULL;

/* Make it the top most window. */

SDL_DFB_CHECK(windata->dfbwin->RaiseToTop(windata->dfbwin));

/* remember parent */

//windata->sdlwin = window;

/* Add to list ... */

windata->next = devdata->firstwin;

windata->opacity = 0xFF;

devdata->firstwin = window;

/* Draw Frame */

DirectFB_WM_RedrawLayout(_this, window);

return 0;

error:

SDL_DFB_RELEASE(windata->surface);

SDL_DFB_RELEASE(windata->dfbwin);

return -1;

}

int

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

{

SDL_Unsupported();

return -1;

}

void

DirectFB_SetWindowTitle(_THIS, SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

if (windata->is_managed) {

windata->wm_needs_redraw = 1;

DirectFB_WM_RedrawLayout(_this, window);

} else

SDL_Unsupported();

}

void

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

{

SDL_DFB_DEVICEDATA(_this);

SDL_DFB_WINDOWDATA(window);

SDL_Surface *surface = NULL;

if (icon) {

SDL_PixelFormat format;

DFBSurfaceDescription dsc;

Uint32 *dest;

Uint32 *p;

int pitch, i;

/* Convert the icon to ARGB for modern window managers */

SDL_InitFormat(&format, SDL_PIXELFORMAT_ARGB8888);

surface = SDL_ConvertSurface(icon, &format, 0);

if (!surface) {

return;

}

dsc.flags =

DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;

dsc.caps = DSCAPS_VIDEOONLY;

dsc.width = surface->w;

dsc.height = surface->h;

dsc.pixelformat = DSPF_ARGB;

SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,

&windata->icon));

SDL_DFB_CHECKERR(windata->icon->Lock(windata->icon, DSLF_WRITE,

(void *) &dest, &pitch));

p = surface->pixels;

for (i = 0; i < surface->h; i++)

memcpy((char *) dest + i * pitch,

(char *) p + i * surface->pitch, 4 * surface->w);

SDL_DFB_CHECK(windata->icon->Unlock(windata->icon));

SDL_FreeSurface(surface);

} else {

SDL_DFB_RELEASE(windata->icon);

}

return;

error:

if (surface)

SDL_FreeSurface(surface);

SDL_DFB_RELEASE(windata->icon);

return;

}

void

DirectFB_SetWindowPosition(_THIS, SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

SDL_DFB_DISPLAYDATA(window);

int x, y;

if (SDL_WINDOWPOS_ISCENTERED(window->x)) {

x = (dispdata->cw - window->w) / 2;

} else if (SDL_WINDOWPOS_ISUNDEFINED(window->x)) {

x = 0;

} else {

x = window->x;

}

if (SDL_WINDOWPOS_ISCENTERED(window->y)) {

y = (dispdata->ch - window->h) / 2;

} else if (SDL_WINDOWPOS_ISUNDEFINED(window->y)) {

y = 0;

} else {

y = window->y;

}

if (window->flags & SDL_WINDOW_FULLSCREEN) {

x = 0;

y = 0;

}

DirectFB_WM_AdjustWindowLayout(window, window->flags, window->w, window->h);

SDL_DFB_CHECK(windata->dfbwin->MoveTo(windata->dfbwin, x, y));

}

void

DirectFB_SetWindowSize(_THIS, SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

if(SDL_IsShapedWindow(window))

DirectFB_ResizeWindowShape(window);

if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {

int cw;

int ch;

/* Make sure all events are disabled for this operation ! */

SDL_DFB_CHECKERR(windata->dfbwin->DisableEvents(windata->dfbwin,

DWET_ALL));

SDL_DFB_CHECKERR(DirectFB_WM_GetClientSize(_this, window, &cw, &ch));

if (cw != window->w || ch != window->h) {

DirectFB_WM_AdjustWindowLayout(window, window->flags, window->w, window->h);

SDL_DFB_CHECKERR(windata->dfbwin->Resize(windata->dfbwin,

windata->size.w,

windata->size.h));

}

SDL_DFB_CHECKERR(DirectFB_WM_GetClientSize

(_this, window, &window->w, &window->h));

DirectFB_AdjustWindowSurface(window);

SDL_DFB_CHECKERR(windata->dfbwin->EnableEvents(windata->dfbwin,

DWET_ALL));

}

return;

error:

SDL_DFB_CHECK(windata->dfbwin->EnableEvents(windata->dfbwin, DWET_ALL));

return;

}

void

DirectFB_ShowWindow(_THIS, SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

SDL_DFB_CHECK(windata->dfbwin->SetOpacity(windata->dfbwin, windata->opacity));

}

void

DirectFB_HideWindow(_THIS, SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

SDL_DFB_CHECK(windata->dfbwin->GetOpacity(windata->dfbwin, &windata->opacity));

SDL_DFB_CHECK(windata->dfbwin->SetOpacity(windata->dfbwin, 0));

}

void

DirectFB_RaiseWindow(_THIS, SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

SDL_DFB_CHECK(windata->dfbwin->RaiseToTop(windata->dfbwin));

SDL_DFB_CHECK(windata->dfbwin->RequestFocus(windata->dfbwin));

}

void

DirectFB_MaximizeWindow(_THIS, SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);

DFBWindowOptions wopts;

SDL_DFB_CHECK(windata->dfbwin->GetPosition(windata->dfbwin,

&windata->restore.x, &windata->restore.y));

SDL_DFB_CHECK(windata->dfbwin->GetSize(windata->dfbwin, &windata->restore.w,

&windata->restore.h));

DirectFB_WM_AdjustWindowLayout(window, window->flags | SDL_WINDOW_MAXIMIZED, display->current_mode.w, display->current_mode.h) ;

SDL_DFB_CHECK(windata->dfbwin->MoveTo(windata->dfbwin, 0, 0));

SDL_DFB_CHECK(windata->dfbwin->Resize(windata->dfbwin,

display->current_mode.w, display->current_mode.h));

/* Set Options */

SDL_DFB_CHECK(windata->dfbwin->GetOptions(windata->dfbwin, &wopts));

wopts |= DWOP_KEEP_SIZE | DWOP_KEEP_POSITION;

SDL_DFB_CHECK(windata->dfbwin->SetOptions(windata->dfbwin, wopts));

}

void

DirectFB_MinimizeWindow(_THIS, SDL_Window * window)

{

/* FIXME: Size to 32x32 ? */

SDL_Unsupported();

}

void

DirectFB_RestoreWindow(_THIS, SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

DFBWindowOptions wopts;

/* Set Options */

SDL_DFB_CHECK(windata->dfbwin->GetOptions(windata->dfbwin, &wopts));

wopts &= ~(DWOP_KEEP_SIZE | DWOP_KEEP_POSITION);

SDL_DFB_CHECK(windata->dfbwin->SetOptions(windata->dfbwin, wopts));

/* Window layout */

DirectFB_WM_AdjustWindowLayout(window, window->flags & ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED),

windata->restore.w, windata->restore.h);

SDL_DFB_CHECK(windata->dfbwin->Resize(windata->dfbwin, windata->restore.w,

windata->restore.h));

SDL_DFB_CHECK(windata->dfbwin->MoveTo(windata->dfbwin, windata->restore.x,

windata->restore.y));

if (!(window->flags & SDL_WINDOW_RESIZABLE))

wopts |= DWOP_KEEP_SIZE;

if (window->flags & SDL_WINDOW_FULLSCREEN)

wopts |= DWOP_KEEP_POSITION | DWOP_KEEP_SIZE;

SDL_DFB_CHECK(windata->dfbwin->SetOptions(windata->dfbwin, wopts));

}

void

DirectFB_SetWindowGrab(_THIS, SDL_Window * window)

{

SDL_DFB_DEVICEDATA(_this);

SDL_DFB_WINDOWDATA(window);

DFB_WindowData *gwindata = ((devdata->grabbed_window) ? (DFB_WindowData *) ((devdata->grabbed_window)->driverdata) : NULL);

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

if (gwindata != NULL)

{

SDL_DFB_CHECK(gwindata->dfbwin->UngrabPointer(gwindata->dfbwin));

SDL_DFB_CHECK(gwindata->dfbwin->UngrabKeyboard(gwindata->dfbwin));

}

SDL_DFB_CHECK(windata->dfbwin->GrabPointer(windata->dfbwin));

SDL_DFB_CHECK(windata->dfbwin->GrabKeyboard(windata->dfbwin));

devdata->grabbed_window = window;

} else {

SDL_DFB_CHECK(windata->dfbwin->UngrabPointer(windata->dfbwin));

SDL_DFB_CHECK(windata->dfbwin->UngrabKeyboard(windata->dfbwin));

devdata->grabbed_window = NULL;

}

}

void

DirectFB_DestroyWindow(_THIS, SDL_Window * window)

{

SDL_DFB_DEVICEDATA(_this);

SDL_DFB_WINDOWDATA(window);

DFB_WindowData *p;

/* Some cleanups */

SDL_DFB_CHECK(windata->dfbwin->UngrabPointer(windata->dfbwin));

SDL_DFB_CHECK(windata->dfbwin->UngrabKeyboard(windata->dfbwin));

#if SDL_DIRECTFB_OPENGL

DirectFB_GL_DestroyWindowContexts(_this, window);

#endif

if (window->shaper)

{

SDL_ShapeData *data = window->shaper->driverdata;

SDL_DFB_CHECK(data->surface->ReleaseSource(data->surface));

SDL_DFB_RELEASE(data->surface);

SDL_DFB_FREE(data);

SDL_DFB_FREE(window->shaper);

}

SDL_DFB_CHECK(windata->window_surface->SetFont(windata->window_surface, NULL));

SDL_DFB_CHECK(windata->surface->ReleaseSource(windata->surface));

SDL_DFB_CHECK(windata->window_surface->ReleaseSource(windata->window_surface));

SDL_DFB_RELEASE(windata->icon);

SDL_DFB_RELEASE(windata->font);

SDL_DFB_RELEASE(windata->eventbuffer);

SDL_DFB_RELEASE(windata->surface);

SDL_DFB_RELEASE(windata->window_surface);

SDL_DFB_RELEASE(windata->dfbwin);

/* Remove from list ... */

p = devdata->firstwin->driverdata;

while (p && p->next != window)

p = (p->next ? p->next->driverdata : NULL);

if (p)

p->next = windata->next;

else

devdata->firstwin = windata->next;

SDL_free(windata);

return;

}

SDL_bool

DirectFB_GetWindowWMInfo(_THIS, SDL_Window * window,

struct SDL_SysWMinfo * info)

{

SDL_DFB_DEVICEDATA(_this);

SDL_DFB_WINDOWDATA(window);

if (info->version.major == SDL_MAJOR_VERSION &&

info->version.minor == SDL_MINOR_VERSION) {

info->subsystem = SDL_SYSWM_DIRECTFB;

info->info.dfb.dfb = devdata->dfb;

info->info.dfb.window = windata->dfbwin;

info->info.dfb.surface = windata->surface;

return SDL_TRUE;

} else {

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

SDL_MAJOR_VERSION, SDL_MINOR_VERSION);

return SDL_FALSE;

}

}

void

DirectFB_AdjustWindowSurface(SDL_Window * window)

{

SDL_DFB_WINDOWDATA(window);

int adjust = windata->wm_needs_redraw;

int cw, ch;

DirectFB_WM_AdjustWindowLayout(window, window->flags, window->w, window->h);

SDL_DFB_CHECKERR(windata->

window_surface->GetSize(windata->window_surface, &cw,

&ch));

if (cw != windata->size.w || ch != windata->size.h) {

adjust = 1;

}

if (adjust) {

#if SDL_DIRECTFB_OPENGL

DirectFB_GL_FreeWindowContexts(SDL_GetVideoDevice(), window);

#endif

#if (DFB_VERSION_ATLEAST(1,2,1))

SDL_DFB_CHECKERR(windata->dfbwin->ResizeSurface(windata->dfbwin,

windata->size.w,

windata->size.h));

SDL_DFB_CHECKERR(windata->surface->MakeSubSurface(windata->surface,

windata->

window_surface,

&windata->client));

#else

DFBWindowOptions opts;

SDL_DFB_CHECKERR(windata->dfbwin->GetOptions(windata->dfbwin, &opts));

/* recreate subsurface */

SDL_DFB_RELEASE(windata->surface);

if (opts & DWOP_SCALE)

SDL_DFB_CHECKERR(windata->dfbwin->ResizeSurface(windata->dfbwin,

windata->size.w,

windata->size.h));

SDL_DFB_CHECKERR(windata->window_surface->

GetSubSurface(windata->window_surface,

&windata->client, &windata->surface));

#endif

DirectFB_WM_RedrawLayout(SDL_GetVideoDevice(), window);

#if SDL_DIRECTFB_OPENGL

DirectFB_GL_ReAllocWindowContexts(SDL_GetVideoDevice(), window);

#endif

}

error:

return;

}