static void a3d_layer_drag(a3d_widget_t* widget,
float x, float y,
float dx, float dy,
double dt)
{
assert(widget);
LOGD("debug");
a3d_layer_t* self = (a3d_layer_t*) widget;
if(self->mode == A3D_LAYER_MODE_FRONT)
{
a3d_listitem_t* iter = a3d_list_head(self->list);
if(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
a3d_widget_drag(widget, x, y, dx, dy, dt);
}
}
else
{
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
a3d_widget_drag(widget, x, y, dx, dy, dt);
iter = a3d_list_next(iter);
}
}
}
static void a3d_layer_layout(a3d_widget_t* widget,
int dragx, int dragy)
{
assert(widget);
LOGD("debug dragx=%i, dragy=%i", dragx, dragy);
// the rect_clip is constant across all layers
a3d_rect4f_t rect_clip;
a3d_rect4f_intersect(&widget->rect_draw,
&widget->rect_clip,
&rect_clip);
a3d_layer_t* self = (a3d_layer_t*) widget;
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
a3d_widget_t* child = (a3d_widget_t*) a3d_list_peekitem(iter);
// layout the layer
float x = 0.0f;
float y = 0.0f;
a3d_widget_anchorPt(&widget->rect_draw,
child->anchor,
&x, &y);
a3d_widget_layoutXYClip(child, x, y, &rect_clip,
dragx, dragy);
iter = a3d_list_next(iter);
}
}
a3d_multimapIter_t* a3d_multimap_nextItem(a3d_multimapIter_t* iter)
{
assert(iter);
iter->item = a3d_list_next(iter->item);
if(iter->item)
{
return iter;
}
return NULL;
}
static int a3d_layer_fade(a3d_widget_t* widget,
float fade, float dt)
{
assert(widget);
LOGD("debug");
int a;
int animate = 0;
a3d_layer_t* self = (a3d_layer_t*) widget;
a3d_listitem_t* iter = a3d_list_head(self->list);
a3d_widget_t* head = (a3d_widget_t*)
a3d_list_peekhead(self->list);
while(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
if((self->mode == A3D_LAYER_MODE_LAYERED) ||
(widget == head))
{
a = a3d_widget_fade(widget, fade, dt);
iter = a3d_list_next(iter);
}
else
{
// remove widget if fade-to-zero is complete
a = a3d_widget_fade(widget, 0.0f, dt);
if(a == 0)
{
a3d_list_remove(self->list, &iter);
}
else
{
iter = a3d_list_next(iter);
}
}
animate |= a;
}
return animate;
}
static void a3d_listbox_refresh(a3d_widget_t* widget)
{
assert(widget);
LOGD("debug");
a3d_listbox_t* self = (a3d_listbox_t*) widget;
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
a3d_widget_refresh(widget);
iter = a3d_list_next(iter);
}
}
static void a3d_listbox_drag(a3d_widget_t* widget,
float x, float y,
float dx, float dy,
double dt)
{
assert(widget);
LOGD("debug");
a3d_listbox_t* self = (a3d_listbox_t*) widget;
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
a3d_widget_drag(widget, x, y, dx, dy, dt);
iter = a3d_list_next(iter);
}
}
static int a3d_listbox_fade(a3d_widget_t* widget,
float fade, float dt)
{
assert(widget);
LOGD("debug");
int animate = 0;
a3d_listbox_t* self = (a3d_listbox_t*) widget;
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
animate |= a3d_widget_fade(widget, fade, dt);
iter = a3d_list_next(iter);
}
return animate;
}
static int a3d_layer_click(a3d_widget_t* widget,
int state,
float x, float y)
{
assert(widget);
LOGD("debug state=%i, x=%f, y=%f", state, x, y);
// send events front-to-back
a3d_layer_t* self = (a3d_layer_t*) widget;
if(self->mode == A3D_LAYER_MODE_FRONT)
{
a3d_listitem_t* iter = a3d_list_head(self->list);
if(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
if(a3d_widget_click(widget, state, x, y))
{
return 1;
}
}
}
else
{
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
if(a3d_widget_click(widget, state, x, y))
{
return 1;
}
iter = a3d_list_next(iter);
}
}
// layers are only clicked if a child is clicked
return 0;
}
int naip_cache_prefetch(int zoom, int x, int y)
{
double lat0;
double lon0;
double lat1;
double lon1;
terrain_sample2coord(x, y, zoom, 0, 0,
&lat0, &lon0);
terrain_sample2coord(x, y, zoom,
TERRAIN_SAMPLES_TILE - 1,
TERRAIN_SAMPLES_TILE - 1,
&lat1, &lon1);
// search the list
int count = 0;
a3d_listitem_t* item = a3d_list_head(glist);
while(item)
{
// if found insert in LRU
naip_node_t* node = (naip_node_t*)
a3d_list_peekitem(item);
if((node->t < lat1) ||
(node->b > lat0) ||
(node->l > lon1) ||
(node->r < lon0))
{
// not found
}
else
{
naip_cache(node);
++count;
}
item = a3d_list_next(item);
}
return count;
}
static void a3d_listbox_layoutHorizontalStretch(a3d_listbox_t* self,
int dragx, int dragy)
{
assert(self);
LOGD("debug dragx=%i, dragy=%i", dragx, dragy);
// initialize the layout
float x = 0.0f;
float y = 0.0f;
float t = self->widget.rect_draw.t;
float l = self->widget.rect_draw.l;
float w = self->widget.rect_draw.w;
float h = self->widget.rect_draw.h;
float cnt = (float) a3d_list_size(self->list);
float dw = w/cnt;
a3d_rect4f_t rect_clip;
a3d_rect4f_t rect_draw;
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
a3d_widget_t* child = (a3d_widget_t*) a3d_list_peekitem(iter);
rect_draw.t = t;
rect_draw.l = l;
rect_draw.w = dw;
rect_draw.h = h;
l += dw;
a3d_widget_anchorPt(&rect_draw, child->anchor, &x, &y);
a3d_rect4f_intersect(&rect_draw,
&self->widget.rect_clip,
&rect_clip);
a3d_widget_layoutXYClip(child, x, y, &rect_clip,
dragx, dragy);
iter = a3d_list_next(iter);
}
}
a3d_multimapIter_t* a3d_multimap_next(a3d_multimapIter_t* iter)
{
assert(iter);
iter->item = a3d_list_next(iter->item);
if(iter->item)
{
return iter;
}
iter->hiter = a3d_hashmap_next(iter->hiter);
if(iter->hiter == NULL)
{
return NULL;
}
a3d_list_t* list = (a3d_list_t*)
a3d_hashmap_val(iter->hiter);
iter->item = a3d_list_head(list);
return iter;
}
static void a3d_layer_size(a3d_widget_t* widget,
float* w, float* h)
{
assert(widget);
assert(w);
assert(h);
LOGD("debug");
a3d_layer_t* self = (a3d_layer_t*) widget;
a3d_listitem_t* iter = a3d_list_head(self->list);
float wmax = 0.0f;
float hmax = 0.0f;
float tmp_w = 0.0f;
float tmp_h = 0.0f;
while(iter)
{
tmp_w = *w;
tmp_h = *h;
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
a3d_widget_layoutSize(widget, &tmp_w, &tmp_h);
if(tmp_w > wmax)
{
wmax = tmp_w;
}
if(tmp_h > hmax)
{
hmax = tmp_h;
}
iter = a3d_list_next(iter);
}
*w = wmax;
*h = hmax;
}
static int a3d_listbox_click(a3d_widget_t* widget,
int state,
float x, float y)
{
assert(widget);
LOGD("debug state=%i, x=%f, y=%f", state, x, y);
a3d_listbox_t* self = (a3d_listbox_t*) widget;
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
if(a3d_widget_click(widget, state, x, y))
{
return 1;
}
iter = a3d_list_next(iter);
}
// listboxes are always clicked
return 1;
}
static void a3d_listbox_layoutVerticalShrink(a3d_listbox_t* self,
int dragx, int dragy)
{
assert(self);
LOGD("debug dragx=%i, dragy=%i", dragx, dragy);
// initialize the layout
float x = 0.0f;
float y = 0.0f;
float t = self->widget.rect_draw.t;
float l = self->widget.rect_draw.l;
float w = self->widget.rect_draw.w;
a3d_rect4f_t rect_clip;
a3d_rect4f_t rect_draw;
a3d_listitem_t* iter = a3d_list_head(self->list);
while(iter)
{
a3d_widget_t* child = (a3d_widget_t*) a3d_list_peekitem(iter);
float h = child->rect_border.h;
rect_draw.t = t;
rect_draw.l = l;
rect_draw.w = w;
rect_draw.h = h;
t += h;
a3d_widget_anchorPt(&rect_draw, child->anchor, &x, &y);
a3d_rect4f_intersect(&rect_draw,
&self->widget.rect_clip,
&rect_clip);
a3d_widget_layoutXYClip(child, x, y, &rect_clip,
dragx, dragy);
iter = a3d_list_next(iter);
}
}
void a3d_workq_purge(a3d_workq_t* self)
{
assert(self);
LOGD("debug");
pthread_mutex_lock(&self->mutex);
// purge the pending queue
a3d_listitem_t* iter = a3d_list_head(self->queue_pending);
while(iter)
{
a3d_workqnode_t* node;
node = (a3d_workqnode_t*) a3d_list_peekitem(iter);
if(node->purge_id != self->purge_id)
{
a3d_list_remove(self->queue_pending, &iter);
(*self->purge_fn)(self->owner, node->task, node->status);
a3d_workqnode_delete(&node);
}
else
{
iter = a3d_list_next(iter);
}
}
// purge the active queue (non-blocking)
iter = a3d_list_head(self->queue_active);
while(iter)
{
a3d_workqnode_t* node;
node = (a3d_workqnode_t*) a3d_list_peekitem(iter);
if(node->purge_id != self->purge_id)
{
node->purge_id = A3D_WORKQ_PURGE;
}
iter = a3d_list_next(iter);
}
// purge the complete queue
iter = a3d_list_head(self->queue_complete);
while(iter)
{
a3d_workqnode_t* node;
node = (a3d_workqnode_t*) a3d_list_peekitem(iter);
if((node->purge_id != self->purge_id) ||
(node->purge_id == A3D_WORKQ_PURGE))
{
a3d_list_remove(self->queue_complete, &iter);
(*self->purge_fn)(self->owner, node->task, node->status);
a3d_workqnode_delete(&node);
}
else
{
iter = a3d_list_next(iter);
}
}
// swap the purge id
if(self->purge_id != A3D_WORKQ_PURGE)
{
self->purge_id = 1 - self->purge_id;
}
pthread_mutex_unlock(&self->mutex);
}
static void a3d_textbox_reflow(a3d_widget_t* widget,
float w, float h)
{
assert(widget);
LOGD("debug w=%f, h=%f", w, h);
a3d_textbox_t* self = (a3d_textbox_t*) widget;
// reflow text when changes occur
if((self->dirty == 0) &&
(self->last_w == w) &&
(self->last_h == h))
{
return;
}
self->dirty = 0;
self->last_w = w;
self->last_h = h;
// determine maxi
a3d_font_t* font = a3d_screen_font(widget->screen);
float aspect = a3d_font_aspectRatio(font);
float size = a3d_screen_layoutText(widget->screen,
self->style_text);
int maxi = (int) (w/(aspect*size)) - 1;
// maxi does not include null character
// but max_len does
// limit to max_len
if((maxi >= self->max_len) ||
(maxi == 0))
{
maxi = self->max_len - 1;
}
// clear the text
a3d_listbox_t* listbox = (a3d_listbox_t*) self;
a3d_listitem_t* iter = a3d_list_head(listbox->list);
while(iter)
{
a3d_text_t* text;
text = (a3d_text_t*) a3d_list_remove(listbox->list, &iter);
a3d_text_delete(&text);
}
// initialize parser
char tok[256];
char dst[256];
int srci = 0;
int toki = 0;
int dsti = 0;
int type = A3D_TOKEN_END;
// reflow the string(s)
iter = a3d_list_head(self->strings);
while(iter)
{
const char* src = (const char*) a3d_list_peekitem(iter);
srci = 0;
type = getToken(src, tok, &srci, &toki);
while(type != A3D_TOKEN_END)
{
if(type == A3D_TOKEN_BREAK)
{
if(dsti > 0)
{
a3d_textbox_printText(self, dst);
a3d_textbox_printText(self, "");
}
else
{
a3d_textbox_printText(self, "");
}
dsti = 0;
break;
}
if(dsti == 0)
{
strncpy(dst, tok, 256);
dst[255] = '\0';
dsti = toki;
}
else
{
if(dsti + toki + 1 <= maxi)
{
strcat(dst, " ");
strcat(dst, tok);
dst[255] = '\0';
dsti += toki + 1;
}
else
{
a3d_textbox_printText(self, dst);
strncpy(dst, tok, 256);
dst[255] = '\0';
dsti = toki;
}
}
type = getToken(src, tok, &srci, &toki);
}
iter = a3d_list_next(iter);
}
if(dsti > 0)
{
a3d_textbox_printText(self, dst);
}
}
static void a3d_listbox_size(a3d_widget_t* widget,
float* w, float* h)
{
assert(widget);
assert(w);
assert(h);
LOGD("debug");
a3d_listbox_t* self = (a3d_listbox_t*) widget;
a3d_listitem_t* iter = a3d_list_head(self->list);
float cnt = (float) a3d_list_size(self->list);
float dw = *w/cnt;
float dh = *h/cnt;
if(self->orientation == A3D_LISTBOX_ORIENTATION_VERTICAL)
{
dw = *w;
}
else
{
dh = *h;
}
float wmax = 0.0f;
float hmax = 0.0f;
float wsum = 0.0f;
float hsum = 0.0f;
float tmp_w = 0.0f;
float tmp_h = 0.0f;
while(iter)
{
tmp_w = dw;
tmp_h = dh;
widget = (a3d_widget_t*) a3d_list_peekitem(iter);
a3d_widget_layoutSize(widget, &tmp_w, &tmp_h);
if(tmp_w > wmax)
{
wmax = tmp_w;
}
wsum += tmp_w;
if(tmp_h > hmax)
{
hmax = tmp_h;
}
hsum += tmp_h;
iter = a3d_list_next(iter);
}
if(self->orientation == A3D_LISTBOX_ORIENTATION_HORIZONTAL)
{
*w = wsum;
*h = hmax;
}
else
{
*w = wmax;
*h = hsum;
}
}
int a3d_workq_run(a3d_workq_t* self, void* task,
int priority)
{
assert(self);
assert(task);
LOGD("debug task=%p, priority=%i", task, priority);
pthread_mutex_lock(&self->mutex);
// find the node containing the task or create a new one
int status = A3D_WORKQ_ERROR;
a3d_listitem_t* iter = NULL;
a3d_listitem_t* pos = NULL;
a3d_workqnode_t* tmp = NULL;
a3d_workqnode_t* node = NULL;
if((iter = a3d_list_find(self->queue_complete, task,
a3d_taskcmp_fn)) != NULL)
{
// task completed
node = (a3d_workqnode_t*) a3d_list_remove(self->queue_complete,
&iter);
status = node->status;
a3d_workqnode_delete(&node);
}
else if((iter = a3d_list_find(self->queue_active, task,
a3d_taskcmp_fn)) != NULL)
{
node = (a3d_workqnode_t*) a3d_list_peekitem(iter);
node->purge_id = self->purge_id;
status = A3D_WORKQ_PENDING;
}
else if((iter = a3d_list_find(self->queue_pending, task,
a3d_taskcmp_fn)) != NULL)
{
node = (a3d_workqnode_t*) a3d_list_peekitem(iter);
node->purge_id = self->purge_id;
if(priority > node->priority)
{
// move up
pos = a3d_list_prev(iter);
while(pos)
{
tmp = (a3d_workqnode_t*) a3d_list_peekitem(pos);
if(tmp->priority >= node->priority)
{
break;
}
pos = a3d_list_prev(pos);
}
if(pos)
{
// move after pos
a3d_list_moven(self->queue_pending, iter, pos);
}
else
{
// move to head of list
a3d_list_move(self->queue_pending, iter, NULL);
}
}
else if(priority < node->priority)
{
// move down
pos = a3d_list_next(iter);
while(pos)
{
tmp = (a3d_workqnode_t*) a3d_list_peekitem(pos);
if(tmp->priority < node->priority)
{
break;
}
pos = a3d_list_next(pos);
}
if(pos)
{
// move before pos
a3d_list_move(self->queue_pending, iter, pos);
}
else
{
// move to tail of list
a3d_list_moven(self->queue_pending, iter, NULL);
}
}
node->priority = priority;
status = A3D_WORKQ_PENDING;
}
else
{
// create new node
node = a3d_workqnode_new(task, self->purge_id, priority);
if(node == NULL)
{
goto fail_node;
}
else
{
// find the insert position
pos = a3d_list_tail(self->queue_pending);
while(pos)
{
tmp = (a3d_workqnode_t*) a3d_list_peekitem(pos);
if(tmp->priority >= node->priority)
{
break;
}
pos = a3d_list_prev(pos);
}
if(pos)
{
// append after pos
if(a3d_list_append(self->queue_pending, pos,
(const void*) node) == NULL)
{
goto fail_queue;
}
}
else
{
// insert at head of queue
// first item or highest priority
if(a3d_list_insert(self->queue_pending, NULL,
(const void*) node) == NULL)
{
goto fail_queue;
}
}
status = A3D_WORKQ_PENDING;
// wake up workq thread
pthread_cond_signal(&self->cond_pending);
}
}
pthread_mutex_unlock(&self->mutex);
// success
return status;
// failure
fail_queue:
a3d_workqnode_delete(&node);
fail_node:
pthread_mutex_unlock(&self->mutex);
return A3D_WORKQ_ERROR;
}