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SDL_DirectFB_window.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2009 Sam Lantinga
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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_syswm.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_keyboard_c.h"
#include "SDL_DirectFB_video.h"
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int
DirectFB_CreateWindow(_THIS, SDL_Window * window)
{
SDL_DFB_DEVICEDATA(_this);
SDL_DFB_DISPLAYDATA(_this, window);
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DFB_WindowData *windata = NULL;
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DFBWindowOptions wopts;
DFBWindowDescription desc;
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IDirectFBFont *font;
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int ret, x, y;
SDL_DFB_CALLOC(window->driverdata, 1, sizeof(DFB_WindowData));
windata = (DFB_WindowData *) window->driverdata;
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windata->is_managed = devdata->has_own_wm;
SDL_DFB_CHECKERR(devdata->dfb->SetCooperativeLevel(devdata->dfb,
DFSCL_NORMAL));
SDL_DFB_CHECKERR(dispdata->layer->SetCooperativeLevel(dispdata->layer,
DLSCL_ADMINISTRATIVE));
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/* Fill the window description. */
if (window->x == SDL_WINDOWPOS_CENTERED) {
x = (dispdata->cw - window->w) / 2;
} else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
x = 0;
} else {
x = window->x;
}
if (window->y == SDL_WINDOWPOS_CENTERED) {
y = (dispdata->ch - window->h) / 2;
} else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
y = 0;
} else {
y = window->y;
}
if (window->flags & SDL_WINDOW_FULLSCREEN) {
x = 0;
y = 0;
}
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DirectFB_WM_AdjustWindowLayout(window);
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/* Create Window */
desc.flags =
DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_PIXELFORMAT | DWDESC_POSX
| DWDESC_POSY | DWDESC_SURFACE_CAPS;
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desc.posx = x;
desc.posy = y;
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desc.width = windata->size.w;
desc.height = windata->size.h;
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desc.pixelformat = dispdata->pixelformat;
desc.surface_caps = DSCAPS_PREMULTIPLIED;
/* Create the window. */
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SDL_DFB_CHECKERR(dispdata->layer->CreateWindow(dispdata->layer, &desc,
&windata->window));
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/* Set Options */
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windata->window->GetOptions(windata->window, &wopts);
if (window->flags & SDL_WINDOW_RESIZABLE)
wopts |= DWOP_SCALE;
else
wopts |= DWOP_KEEP_SIZE;
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if (window->flags & SDL_WINDOW_FULLSCREEN) {
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wopts |= DWOP_KEEP_POSITION | DWOP_KEEP_STACKING | DWOP_KEEP_SIZE;
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windata->window->SetStackingClass(windata->window, DWSC_UPPER);
}
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windata->window->SetOptions(windata->window, wopts);
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/* See what we got */
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SDL_DFB_CHECKERR(DirectFB_WM_GetClientSize
(_this, window, &window->w, &window->h));
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/* Get the window's surface. */
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SDL_DFB_CHECKERR(windata->window->GetSurface(windata->window,
&windata->window_surface));
/* And get a subsurface for rendering */
SDL_DFB_CHECKERR(windata->window_surface->
GetSubSurface(windata->window_surface, &windata->client,
&windata->surface));
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windata->window->SetOpacity(windata->window, 0xFF);
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/* Create Eventbuffer */
SDL_DFB_CHECKERR(windata->window->CreateEventBuffer(windata->window,
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&windata->
eventbuffer));
SDL_DFB_CHECKERR(windata->window->
EnableEvents(windata->window, DWET_ALL));
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/* Create a font */
/* FIXME: once during Video_Init */
if (windata->is_managed) {
DFBFontDescription fdesc;
fdesc.flags = DFDESC_HEIGHT;
fdesc.height = windata->theme.font_size;
font = NULL;
SDL_DFB_CHECK(devdata->
dfb->CreateFont(devdata->dfb, windata->theme.font,
&fdesc, &font));
windata->window_surface->SetFont(windata->window_surface, font);
SDL_DFB_RELEASE(font);
}
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/* Make it the top most window. */
windata->window->RaiseToTop(windata->window);
/* remember parent */
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windata->window = window;
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/* Add to list ... */
windata->next = devdata->firstwin;
windata->opacity = 0xFF;
devdata->firstwin = windata;
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/* Draw Frame */
DirectFB_WM_RedrawLayout(window);
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return 0;
error:
SDL_DFB_RELEASE(windata->window);
SDL_DFB_RELEASE(windata->surface);
return -1;
}
int
DirectFB_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
SDL_Unsupported();
return -1;
}
void
DirectFB_SetWindowTitle(_THIS, SDL_Window * window)
{
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SDL_DFB_WINDOWDATA(window);
if (windata->is_managed) {
windata->wm_needs_redraw = 1;
} 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;
DFBResult ret;
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, 32, 0x00FF0000, 0x0000FF00, 0x000000FF,
0xFF000000);
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);
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;
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}
void
DirectFB_SetWindowPosition(_THIS, SDL_Window * window)
{
SDL_DFB_WINDOWDATA(window);
int x, y;
if (window->y == SDL_WINDOWPOS_UNDEFINED)
y = 0;
else
y = window->y;
if (window->x == SDL_WINDOWPOS_UNDEFINED)
x = 0;
else
x = window->x;
if (window->flags & SDL_WINDOW_FULLSCREEN) {
x = 0;
y = 0;
}
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DirectFB_WM_AdjustWindowLayout(window);
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windata->window->MoveTo(windata->window, x, y);
}
void
DirectFB_SetWindowSize(_THIS, SDL_Window * window)
{
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SDL_DFB_DEVICEDATA(_this);
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SDL_DFB_WINDOWDATA(window);
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int ret;
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if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
int cw;
int ch;
/* Make sure all events are disabled for this operation ! */
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SDL_DFB_CHECKERR(windata->window->DisableEvents(windata->window,
DWET_ALL));
SDL_DFB_CHECKERR(DirectFB_WM_GetClientSize(_this, window, &cw, &ch));
if (cw != window->w || ch != window->h) {
DirectFB_WM_AdjustWindowLayout(window);
SDL_DFB_CHECKERR(windata->window->Resize(windata->window,
windata->size.w,
windata->size.h));
}
SDL_DFB_CHECKERR(windata->window->EnableEvents(windata->window,
DWET_ALL));
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SDL_DFB_CHECKERR(DirectFB_WM_GetClientSize
(_this, window, &window->w, &window->h));
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SDL_OnWindowResized(window);
}
return;
error:
windata->window->EnableEvents(windata->window, DWET_ALL);
return;
}
void
DirectFB_ShowWindow(_THIS, SDL_Window * window)
{
SDL_DFB_WINDOWDATA(window);
windata->window->SetOpacity(windata->window, windata->opacity);
}
void
DirectFB_HideWindow(_THIS, SDL_Window * window)
{
SDL_DFB_WINDOWDATA(window);
windata->window->GetOpacity(windata->window, &windata->opacity);
windata->window->SetOpacity(windata->window, 0);
}
void
DirectFB_RaiseWindow(_THIS, SDL_Window * window)
{
SDL_DFB_WINDOWDATA(window);
windata->window->RaiseToTop(windata->window);
windata->window->RequestFocus(windata->window);
}
void
DirectFB_MaximizeWindow(_THIS, SDL_Window * window)
{
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SDL_DFB_WINDOWDATA(window);
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if (windata->is_managed) {
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DirectFB_WM_MaximizeWindow(_this, window);
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} else
SDL_Unsupported();
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}
void
DirectFB_MinimizeWindow(_THIS, SDL_Window * window)
{
/* FIXME: Size to 32x32 ? */
SDL_Unsupported();
}
void
DirectFB_RestoreWindow(_THIS, SDL_Window * window)
{
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SDL_DFB_WINDOWDATA(window);
if (windata->is_managed) {
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DirectFB_WM_RestoreWindow(_this, window);
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} else
SDL_Unsupported();
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}
void
DirectFB_SetWindowGrab(_THIS, SDL_Window * window)
{
SDL_DFB_WINDOWDATA(window);
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if ((window->flags & SDL_WINDOW_INPUT_GRABBED)) {
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windata->window->GrabPointer(windata->window);
windata->window->GrabKeyboard(windata->window);
} else {
windata->window->UngrabPointer(windata->window);
windata->window->UngrabKeyboard(windata->window);
}
}
void
DirectFB_DestroyWindow(_THIS, SDL_Window * window)
{
SDL_DFB_DEVICEDATA(_this);
SDL_DFB_WINDOWDATA(window);
DFB_WindowData *p;
SDL_DFB_DEBUG("Trace\n");
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/* Some cleanups */
windata->window->UngrabPointer(windata->window);
windata->window->UngrabKeyboard(windata->window);
windata->window_surface->SetFont(windata->window_surface, NULL);
SDL_DFB_RELEASE(windata->icon);
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SDL_DFB_RELEASE(windata->eventbuffer);
SDL_DFB_RELEASE(windata->surface);
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SDL_DFB_RELEASE(windata->window_surface);
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SDL_DFB_RELEASE(windata->window);
/* Remove from list ... */
p = devdata->firstwin;
while (p && p->next != windata)
p = p->next;
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_Unsupported();
return SDL_FALSE;
}
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void
DirectFB_AdjustWindowSurface(SDL_Window * window)
{
SDL_DFB_WINDOWDATA(window);
int adjust = windata->wm_needs_redraw;
int cw, ch;
int ret;
DirectFB_WM_AdjustWindowLayout(window);
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) {
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#if DFB_VERSION_ATLEAST(1,2,1)
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SDL_DFB_CHECKERR(windata->window->ResizeSurface(windata->window,
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windata->size.w,
windata->size.h));
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SDL_DFB_CHECKERR(windata->surface->MakeSubSurface(windata->surface,
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windata->
window_surface,
&windata->client));
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#else
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DFBWindowOptions opts;
SDL_DFB_CHECKERR(windata->window->GetOptions(windata->window, &opts));
/* recreate subsurface */
SDL_DFB_RELEASE(windata->surface);
if (opts & DWOP_SCALE)
SDL_DFB_CHECKERR(windata->window->ResizeSurface(windata->window,
windata->size.w,
windata->size.h));
SDL_DFB_CHECKERR(windata->window_surface->
GetSubSurface(windata->window_surface,
&windata->client, &windata->surface));
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#endif
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DirectFB_WM_RedrawLayout(window);
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}
error:
return;
}