DFBResult
dfb_window_resize( CoreWindow *window,
int width,
int height )
{
DFBWindowEvent evt;
CoreWindowStack *stack = window->stack;
int ow = window->width;
int oh = window->height;
stack_lock( stack );
if (window->surface) {
DFBResult ret = dfb_surface_reformat( window->surface,
width, height,
window->surface->format );
if (ret) {
stack_unlock( stack );
return ret;
}
window->width = window->surface->width;
window->height = window->surface->height;
} else {
window->width = width;
window->height = height;
}
if (VISIBLE_WINDOW (window)) {
if (ow > window->width) {
DFBRegion region = { window->x + window->width, window->y,
window->x + ow - 1,
window->y + MIN(window->height, oh) - 1 };
repaint_stack( stack, ®ion, 0 );
}
if (oh > window->height) {
DFBRegion region = { window->x, window->y + window->height,
window->x + MAX(window->width, ow) - 1,
window->y + oh - 1 };
repaint_stack( stack, ®ion, 0 );
}
}
/* Send new size */
evt.type = DWET_SIZE;
evt.w = window->width;
evt.h = window->height;
dfb_window_dispatch( window, &evt );
stack_unlock( stack );
return DFB_OK;
}
static DFBResult
IDirectFBWindow_ResizeSurface( IDirectFBWindow *thiz,
int width,
int height )
{
DIRECT_INTERFACE_GET_DATA(IDirectFBWindow)
D_DEBUG_AT( IDirectFB_Window, "%s()\n", __FUNCTION__ );
if (data->destroyed)
return DFB_DESTROYED;
if (width < 1 || width > 4096 || height < 1 || height > 4096)
return DFB_INVARG;
return dfb_surface_reformat( data->window->surface, width, height, data->window->surface->config.format );
}
/* HACK: implementation dumped in here for now, will move into context */
static DFBResult
wm_update_cursor( CoreWindowStack *stack,
void *wm_data,
void *stack_data,
CoreCursorUpdateFlags flags )
{
DFBResult ret;
DFBRegion old_region;
WMData *wmdata = wm_data;
StackData *data = stack_data;
bool restored = false;
CoreLayer *layer;
CoreLayerRegion *region;
CardState *state;
CoreSurface *surface;
UniqueContext *context;
D_ASSERT( stack != NULL );
D_ASSERT( stack->context != NULL );
D_ASSERT( wm_data != NULL );
D_ASSERT( stack_data != NULL );
D_MAGIC_ASSERT( data, StackData );
context = data->context;
D_MAGIC_ASSERT( context, UniqueContext );
/* Optimize case of invisible cursor moving. */
if (!(flags & ~(CCUF_POSITION | CCUF_SHAPE)) && (!stack->cursor.opacity || !stack->cursor.enabled)) {
context->cursor_bs_valid = false;
return DFB_OK;
}
layer = dfb_layer_at( context->layer_id );
state = &layer->state;
region = context->region;
surface = context->surface;
D_ASSERT( region != NULL );
D_ASSERT( surface != NULL );
if (flags & CCUF_ENABLE) {
CoreSurface *cursor_bs;
DFBSurfaceCapabilities caps = DSCAPS_NONE;
dfb_surface_caps_apply_policy( stack->cursor.policy, &caps );
D_ASSERT( context->cursor_bs == NULL );
/* Create the cursor backing store surface. */
ret = dfb_surface_create_simple( wmdata->core, stack->cursor.size.w, stack->cursor.size.h,
region->config.format, region->config.colorspace,
caps, CSTF_SHARED | CSTF_CURSOR,
0, /* FIXME: no shared cursor objects, no cursor id */
NULL, &cursor_bs );
if (ret) {
D_ERROR( "WM/Default: Failed creating backing store for cursor!\n" );
return ret;
}
ret = dfb_surface_globalize( cursor_bs );
D_ASSERT( ret == DFB_OK );
/* Ensure valid back buffer for now.
* FIXME: Keep a flag to know when back/front have been swapped and need a sync.
*/
switch (region->config.buffermode) {
case DLBM_BACKVIDEO:
case DLBM_TRIPLE:
dfb_gfx_copy( surface, surface, NULL );
break;
default:
break;
}
context->cursor_bs = cursor_bs;
}
else {
D_ASSERT( context->cursor_bs != NULL );
/* restore region under cursor */
if (context->cursor_drawn) {
DFBRectangle rect = { 0, 0,
context->cursor_region.x2 - context->cursor_region.x1 + 1,
context->cursor_region.y2 - context->cursor_region.y1 + 1 };
D_ASSERT( stack->cursor.opacity || (flags & CCUF_OPACITY) );
D_ASSERT( context->cursor_bs_valid );
dfb_gfx_copy_to( context->cursor_bs, surface, &rect,
context->cursor_region.x1, context->cursor_region.y1, false );
context->cursor_drawn = false;
old_region = context->cursor_region;
restored = true;
}
if (flags & CCUF_SIZE) {
ret = dfb_surface_reformat( context->cursor_bs,
stack->cursor.size.w, stack->cursor.size.h,
context->cursor_bs->config.format );
if (ret) {
D_ERROR( "WM/Default: Failed resizing backing store for cursor!\n" );
return ret;
}
}
}
if (flags & (CCUF_ENABLE | CCUF_POSITION | CCUF_SIZE | CCUF_OPACITY)) {
context->cursor_bs_valid = false;
context->cursor_region.x1 = stack->cursor.x - stack->cursor.hot.x;
context->cursor_region.y1 = stack->cursor.y - stack->cursor.hot.y;
context->cursor_region.x2 = context->cursor_region.x1 + stack->cursor.size.w - 1;
context->cursor_region.y2 = context->cursor_region.y1 + stack->cursor.size.h - 1;
if (!dfb_region_intersect( &context->cursor_region, 0, 0, stack->width - 1, stack->height - 1 )) {
D_BUG( "invalid cursor region" );
return DFB_BUG;
}
}
D_ASSERT( context->cursor_bs != NULL );
if (flags & CCUF_DISABLE) {
dfb_surface_unlink( &context->cursor_bs );
}
else if (stack->cursor.opacity) {
/* backup region under cursor */
if (!context->cursor_bs_valid) {
DFBRectangle rect = DFB_RECTANGLE_INIT_FROM_REGION( &context->cursor_region );
D_ASSERT( !context->cursor_drawn );
/* FIXME: this requires using blitted flipping all the time,
but fixing it seems impossible, for now DSFLIP_BLIT is forced
in repaint_stack() when the cursor is enabled. */
dfb_gfx_copy_to( surface, context->cursor_bs, &rect, 0, 0, true );
context->cursor_bs_valid = true;
}
/* Set destination. */
state->destination = surface;
state->modified |= SMF_DESTINATION;
/* Set clipping region. */
dfb_state_set_clip( state, &context->cursor_region );
/* draw cursor */
unique_draw_cursor( stack, context, state, &context->cursor_region );
/* Reset destination. */
state->destination = NULL;
state->modified |= SMF_DESTINATION;
context->cursor_drawn = true;
if (restored) {
if (dfb_region_region_intersects( &old_region, &context->cursor_region ))
dfb_region_region_union( &old_region, &context->cursor_region );
else
dfb_layer_region_flip_update( region, &context->cursor_region, DSFLIP_BLIT );
dfb_layer_region_flip_update( region, &old_region, DSFLIP_BLIT );
}
else
dfb_layer_region_flip_update( region, &context->cursor_region, DSFLIP_BLIT );
}
else if (restored)
dfb_layer_region_flip_update( region, &old_region, DSFLIP_BLIT );
return DFB_OK;
}
